CN116667582A - Sealing device with radiating effect for explosion-proof motor - Google Patents
Sealing device with radiating effect for explosion-proof motor Download PDFInfo
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- CN116667582A CN116667582A CN202310665577.3A CN202310665577A CN116667582A CN 116667582 A CN116667582 A CN 116667582A CN 202310665577 A CN202310665577 A CN 202310665577A CN 116667582 A CN116667582 A CN 116667582A
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- Prior art keywords
- fixedly connected
- wall
- limiting
- sleeve
- shaped
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- 238000007789 sealing Methods 0.000 title claims abstract description 105
- 230000000694 effects Effects 0.000 title claims abstract description 20
- 238000001816 cooling Methods 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 230000000670 limiting effect Effects 0.000 claims description 110
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 244000309464 bull Species 0.000 claims description 4
- 230000000191 radiation effect Effects 0.000 claims 7
- 230000017525 heat dissipation Effects 0.000 abstract description 13
- 230000009471 action Effects 0.000 abstract description 10
- 239000000110 cooling liquid Substances 0.000 abstract description 9
- 239000003921 oil Substances 0.000 description 69
- 230000001105 regulatory effect Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000004880 explosion Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010724 circulating oil Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
- F16F15/123—Wound springs
- F16F15/12306—Radially mounted springs
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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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
- F16F15/123—Wound springs
- F16F15/1232—Wound springs characterised by the spring mounting
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/136—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention relates to the field of motor sealing devices, in particular to a sealing device with a heat dissipation effect for an explosion-proof motor. The sealing device for the explosion-proof motor with the heat dissipation effect consists of an adjusting mechanism and a self-locking mechanism; when the rotating speed of the motor body is increased, the rotating speed of the transmission shaft is increased, the arc-shaped pressing plate stretches out of the annular groove under the action of centrifugal force, the arc-shaped base plate is propped against the bottom of the sliding rod, the U-shaped adjusting plate is matched with the chute to move with the piston plate through the guide wheel when the sliding rod moves upwards, after the arc-shaped pressing plate is released and contacted with the sliding rod, the compression spring resets with the piston plate, the two piston plates extrude cooling liquid in the oil guide sleeve, so that the cooling liquid is rapidly conveyed to the inside of the cooling oil pipe, the circulation flow rate of the cooling liquid is automatically increased, the cooling effect is improved, and the operation is more convenient.
Description
Technical Field
The invention relates to the field of motor sealing devices, in particular to a sealing device with a heat dissipation effect for an explosion-proof motor.
Background
In the prior art, in order to improve the safety performance of the explosion-proof motor during use, a sealing device is arranged outside the explosion-proof motor for use in a matched sleeve mode, and during general installation, the motor is fixed inside the sealing device at first, and then the two separated shells are sealed and fixed through fastening bolts.
The prior patent (publication number: CN 115021465A) discloses a sealing device for an explosion-proof motor with heat dissipation effect, which comprises a mounting seat; the cooling device also comprises a second cooling pipe, a shell protection assembly, an output shaft sealing assembly and a heat dissipation assembly. The inventor finds that the following problems in the prior art are not solved well in the process of realizing the scheme: 1. in the use process of the heat dissipation assembly of the explosion-proof motor, the flow rate of cooling oil is uniform, after the rotation speed of the motor is increased, more heat can be generated in the motor due to the increase of power, at the moment, the cooling device is difficult to automatically increase the flow rate of the cooling oil, the cooling effect is affected, and the use convenience is poor; 2. the sealing device of the explosion-proof motor is fixed and sealed only through the wing-shaped bolts, when explosion occurs in the motor, impact force generated by the explosion can act on the two assembled shells, the connection position of the bolts of the two shells is easy to loosen and separate, and the explosion-proof effect is poor.
Disclosure of Invention
The invention aims to provide a sealing device with a heat dissipation effect for an explosion-proof motor, which is used for solving the problems in the background art: 1. the existing part of explosion-proof motor sealing device is difficult to automatically adjust the flow rate of the cooling liquid; 2. the existing partial explosion-proof motor sealing device has poor explosion-proof effect when in use. In order to achieve the above purpose, the present invention provides the following technical solutions: the sealing device for the explosion-proof motor with the heat dissipation effect comprises a sealing sleeve, wherein the inner bottom surface of the sealing sleeve is fixedly connected with a motor body, the rotating end of the motor body is fixedly connected with a transmission shaft, and the right side of the transmission shaft is rotationally connected to the right end of the sealing sleeve;
the inner top surface of the sealing sleeve is fixedly connected with a cooling oil pipe, the middle part of the cooling oil pipe is detachably arranged on the surface of the motor body, and an adjusting mechanism is movably connected between the right side of the cooling oil pipe and the transmission shaft;
the left end of the sealing sleeve is movably connected with a sealing cover, a self-locking mechanism is movably connected between the inner wall of the sealing cover and the inner wall of the sealing sleeve, and the inner wall of the sealing cover is fixedly connected with a heat dissipation fan.
Preferably, the adjusting mechanism comprises an oil inlet pipe, the upper part of the oil inlet pipe is fixedly connected with the inner top surface of the sealing sleeve, and an oil guide sleeve is fixedly connected between the lower part of the oil inlet pipe and the right end of the cooling oil pipe;
piston plates are slidably connected to two sides of the inner wall of the oil guide sleeve, limiting rings are symmetrically and fixedly connected to the middle of the inner wall of the oil guide sleeve, compression springs are symmetrically and fixedly connected between the inner wall of the oil guide sleeve and the side walls of the piston plates, U-shaped adjusting plates are fixedly connected to one sides of the two opposite piston plates, and inclined slots are formed in two sides of the inner wall of the U-shaped adjusting plates;
the surface of the side, adjacent to the cooling oil pipe, of the oil inlet pipe is fixedly connected with a support, the top of the support is fixedly connected with the inner top surface of a sealing sleeve, the bottom of the support is fixedly connected with a sliding sleeve, the two sliding sleeves respectively correspond to the two U-shaped adjusting plates one by one, the inside of the sliding sleeve is slidably connected with a sliding rod, the lower part of the sliding rod is symmetrically and rotatably connected with guide wheels, and the two guide wheels are respectively and slidably connected with the inside of the two adjacent inclined grooves;
the surface of the transmission shaft is symmetrically and fixedly sleeved with adjusting rings, the two adjusting rings are respectively in one-to-one correspondence with the two sliding rods, the middle part of each adjusting ring is provided with a ring groove, the inner wall of each ring groove is rotationally connected with three rotating rods along the circumference at equal intervals, the middle part of each rotating rod is fixedly connected with an arc-shaped pressing plate, one side of each arc-shaped pressing plate, far away from each ring groove, is provided with four sliding grooves at equal intervals, the inside of each sliding groove is slidably connected with a sliding block, one end of each sliding block is fixedly connected with a reset spring between the inner wall of each sliding groove, and the other ends of the four sliding blocks are fixedly connected with arc-shaped base plates;
three regulating grooves are formed in the inner wall of the annular groove at equal intervals along the circumference, regulating blocks are connected in the regulating grooves in a sliding mode, regulating springs are movably connected between the side walls of the regulating blocks and the inner wall of the regulating grooves, pull ropes are fixedly connected to one sides of the regulating blocks, and one ends of the three pull ropes are fixedly connected to the side walls of the three arc-shaped pressing plates respectively;
the right end of the cooling oil pipe and the lower part of the oil inlet pipe are fixedly connected with one-way valves.
Preferably, the slide bar is set to T type pole, the bottom of slide bar is set to the sphere, all rotate around the slide bar top and be connected with the steel ball, the lateral wall and the inner wall overlap joint of sliding sleeve of steel ball.
Preferably, the two ends of the rotating rod are fixedly sleeved with supporting bearings, and an outer ring at one side of each supporting bearing is fixedly connected with the inner wall of the annular groove.
Preferably, the self-locking mechanism comprises two supporting blocks, the two supporting blocks are symmetrically and fixedly connected to the inner wall of the sealing cover, and the side wall of the supporting block is provided with a limiting clamping groove;
the inner wall of the sealing sleeve is symmetrically and fixedly connected with a limiting sleeve, the two limiting sleeves are respectively in one-to-one correspondence with the two supporting blocks, a limiting plate is connected in the limiting sleeve in a sliding manner, a pressing spring is fixedly connected between the bottom of the limiting plate and the inner wall of the limiting sleeve, guide pins are fixedly connected to two sides of the limiting plate, waist-shaped grooves are formed in two sides of the limiting sleeve, and the two guide pins are respectively connected in the two waist-shaped grooves in a sliding manner;
the side wall of the limiting plate is provided with a limiting groove, the side wall of the limiting plate and the side wall of the supporting block are fixedly connected with T-shaped limiting rods, two adjacent T-shaped limiting rods are arranged in a staggered mode, and the two T-shaped limiting rods are respectively in one-to-one correspondence with the limiting clamping grooves and the limiting grooves;
four locking screw grooves are formed in one side, adjacent to the sealing cover, of the sealing sleeve at equal intervals along the circumference, locking screw rods are connected between two adjacent locking screw grooves in a threaded mode, and the surface of the limiting plate is overlapped with one end of each adjacent locking screw rod.
Preferably, the limiting sleeve is a U-shaped sleeve, and one end of the limiting plate, which is far away from the pressing spring, is fixedly connected with a cushion block;
the inner wall fixedly connected with guide arm of stop collar, limiting plate surface offer with guide arm matched with guide hole, support the pressure spring activity and cup joint at the middle part of guide arm.
Preferably, the distance between the two sides of the inner wall of the limiting groove is the same as the diameter of the middle part of the T-shaped limiting rod, the diameter of one end of the limiting clamping groove is 1.2 times that of one end of the adjacent T-shaped limiting rod, and the diameter of the other end of the limiting clamping groove is the same as the diameter of the middle part of the T-shaped limiting rod.
Preferably, the sealing sleeve and the outer wall of the sealing cover are symmetrically and fixedly connected with positioning strips, the right side of the sealing sleeve is fixedly connected with an air inlet filter cover, and the left side of the sealing cover is fixedly connected with an air outlet filter cover;
the right side at seal cover top fixedly connected with advance oil pipe matched with advance oil pipe and advance oil pipe matched with oil pipe, the left side at seal cover top fixedly connected with cooling oil pipe matched with oil extraction joint.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the matched use of the parts such as the oil guide sleeve, the arc-shaped pressing plate, the sliding rod and the like, when the rotating speed of the motor body is increased, the rotating speed of the transmission shaft is increased along with the increase, at the moment, the arc-shaped pressing plate stretches out of the annular groove under the action of centrifugal force, the arc-shaped base plate is pressed against the bottom of the sliding rod, the sliding rod moves along with the U-shaped adjusting plate and the piston plate through the guide wheel and the chute when moving upwards, after the arc-shaped pressing plate is released from being contacted with the sliding rod, the compression spring resets along with the piston plate, the two piston plates squeeze cooling liquid in the oil guide sleeve, so that the cooling liquid is quickly conveyed into the cooling oil pipe, the circulating flow speed of the cooling liquid is automatically increased, the cooling effect is improved, manual adjustment of a user is not needed, and the operation is more convenient.
According to the invention, through the matched use of the sealing sleeve, the sealing cover, the T-shaped limiting rods and other parts, when explosion occurs in the sealing sleeve, the generated impact force acts between the sealing sleeve and the sealing cover, so that the sealing sleeve and the sealing cover move back to back, at the moment, under the action of the two T-shaped limiting rods, the two T-shaped limiting rods respectively pull the supporting block and the limiting plate to move relatively, and when the bolt loosens, the sealing sleeve and the sealing cover can still be tightly sleeved together by the relative movement of the supporting block and the limiting plate, so that the explosion-proof effect is improved.
According to the invention, through the cooperation of the arc-shaped pressing plate, the arc-shaped base plate, the reset spring and other parts, when the adjusting ring rotates, the arc-shaped pressing plate is pressed against the bottom of the sliding rod under the action of centrifugal force, the arc-shaped base plate generates a certain buffering effect through the elastic action of the reset spring in the process of contacting with the bottom of the sliding rod, and the service lives of the sliding rod and the arc-shaped base plate are prolonged.
Drawings
Figure 1 is a front cross-sectional view of the seal cartridge and seal cap of the present invention;
FIG. 2 is a front cross-sectional view of a partial location of an oil jacket of the present invention;
FIG. 3 is a side cross-sectional view of the position of the adjusting ring of the present invention;
FIG. 4 is an enlarged view of the structure of FIG. 3A in accordance with the present invention;
FIG. 5 is a side view of the stop collar of the present invention;
FIG. 6 is a perspective view of the U-shaped adjusting plate and chute positions of the present invention;
FIG. 7 is a top view in section of the partial positions of the oil guide sleeve and compression spring of the present invention;
FIG. 8 is a perspective view of a partial position of a cooling oil tube according to the present invention;
FIG. 9 is a front cross-sectional view of a partial position of the seal cap and support block of the present invention;
FIG. 10 is an enlarged view of the structure of FIG. 9B in accordance with the present invention;
FIG. 11 is a top view of the stop collar and guide position of the present invention;
fig. 12 is a perspective view of a partial position of the support block and the limiting plate of the present invention.
In the figure: 1. sealing sleeve; 2. a motor body; 3. a transmission shaft; 4. a cooling oil pipe; 5. an adjusting mechanism; 501. an oil inlet pipe; 502. an oil guiding sleeve; 503. a piston plate; 504. a limiting ring; 505. a compression spring; 506. a U-shaped adjusting plate; 507. a chute; 508. a bracket; 509. a sliding sleeve; 510. a slide bar; 511. a guide wheel; 512. an adjusting ring; 513. a ring groove; 514. a rotating rod; 515. an arc-shaped pressing plate; 516. a chute; 517. a slide block; 518. a return spring; 519. an arc-shaped backing plate; 520. an adjustment tank; 521. an adjusting block; 522. an adjusting spring; 523. a pull rope; 524. a one-way valve; 6. sealing cover; 7. a self-locking mechanism; 701. a support block; 702. a limit clamping groove; 703. a limit sleeve; 704. a limiting plate; 705. pressing the spring; 706. a guide pin; 707. a waist-shaped groove; 708. a limit groove; 709. a T-shaped limit rod; 710. locking the spiral groove; 711. locking the screw rod; 8. a heat dissipation fan.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which are obtained by a worker of ordinary skill in the art without creative efforts, are within the protection scope of the present invention based on the embodiments of the present invention.
Referring to fig. 1 to 12, the present invention provides a technical solution: the utility model provides a sealing device for explosion-proof motor with radiating effect, includes seal cover 1, the interior bottom surface fixedly connected with motor body 2 of seal cover 1, and motor body 2's rotation end fixedly connected with transmission shaft 3, transmission shaft 3's right side rotation is connected at seal cover 1's right-hand member. It should be noted that: the top of the sealing sleeve 1 is fixedly connected with a junction box.
The inner top surface of the sealing sleeve 1 is fixedly connected with a cooling oil pipe 4, the middle part of the cooling oil pipe 4 is detachably arranged on the surface of the motor body 2, and an adjusting mechanism 5 is movably connected between the right side of the cooling oil pipe 4 and the transmission shaft 3. It should be noted that: the middle part of cooling oil pipe 4 is established to the U type, through with cooling oil pipe 4 card at motor body 2 surface to install cooling oil liquid pipe and motor body by the bolt, can install heat dissipation aluminum plate between the arc pipeline lateral wall of cooling oil pipe 4, further promote heat conduction efficiency.
The left end of the sealing sleeve 1 is movably connected with a sealing cover 6, a self-locking mechanism 7 is movably connected between the inner wall of the sealing cover 6 and the inner wall of the sealing sleeve 1, and the inner wall of the sealing cover 6 is fixedly connected with a heat dissipation fan 8. It should be noted that: the sealing cover 6 and the sealing sleeve 1 are made of explosion-proof metal materials.
In this embodiment, as shown in fig. 1 to 12, the adjusting mechanism 5 includes an oil inlet pipe 501, an upper portion of the oil inlet pipe 501 is fixedly connected to an inner top surface of the sealing sleeve 1, and an oil guiding sleeve 502 is fixedly connected between a lower portion of the oil inlet pipe 501 and a right end of the cooling oil pipe 4.
Piston plates 503 are slidably connected to two sides of the inner wall of the oil guide sleeve 502, limiting rings 504 are symmetrically and fixedly connected to the middle of the inner wall of the oil guide sleeve 502, compression springs 505 are symmetrically and fixedly connected between the inner wall of the oil guide sleeve 502 and the side walls of the piston plates 503, U-shaped adjusting plates 506 are fixedly connected to one sides of the two opposite piston plates 503, and inclined grooves 507 are formed in two sides of the inner wall of the U-shaped adjusting plates 506. It should be noted that: eight diversion trenches are formed in the outer ring of the limiting ring 504 at equal intervals along the circumference, and the limiting ring 504 is arranged to limit the movement of the piston plate 503.
The oil inlet pipe 501 and the surface of the adjacent side of the cooling oil pipe 4 are fixedly connected with a bracket 508, the top of the bracket 508 is fixedly connected with the inner top surface of the sealing sleeve 1, the bottom of the bracket 508 is fixedly connected with a sliding sleeve 509, the two sliding sleeves 509 respectively correspond to the two U-shaped adjusting plates 506 one by one, the inside of the sliding sleeve 509 is slidably connected with a sliding rod 510, the lower part of the sliding rod 510 is symmetrically and rotatably connected with guide wheels 511, and the two guide wheels 511 are respectively and slidably connected with the inside of the adjacent two inclined grooves 507. It should be noted that: when the slide bar 510 moves upward, it cooperates with the chute 507 via the guide roller 511, and the U-shaped adjusting plate 506 moves toward the outside of the oil jacket 502.
The surface symmetry of transmission shaft 3 has fixedly cup jointed adjusting ring 512, two adjusting rings 512 respectively with two slide bars 510 one-to-one, annular 513 has been seted up at the middle part of adjusting ring 512, the inner wall of annular 513 is rotationally connected with three bull stick 514 along the circumference equidistance, the middle part fixedly connected with arc clamp plate 515 of bull stick 514, four spouts 516 have been seted up to the equidistant one side that keeps away from annular 513 of arc clamp plate 515, the inside sliding connection of spout 516 has slider 517, fixedly connected with reset spring 518 between the inner wall of one end of slider 517 and spout 516, fixedly connected with arc backing plate 519 between the other end of four sliders 517. It should be noted that: when the arc-shaped base plate 519 is in contact with the sliding rod 510, a certain buffer can be generated under the action of the return spring 518, so that the service lives of the sliding rod 510 and the arc-shaped base plate 519 are prolonged.
Three regulating grooves 520 are formed in the inner wall of the annular groove 513 at equal intervals along the circumference, regulating blocks 521 are slidably connected in the regulating grooves 520, regulating springs 522 are movably connected between the side walls of the regulating blocks 521 and the inner wall of the regulating grooves 520, pull ropes 523 are fixedly connected to one sides of the regulating blocks 521, and one ends of the three pull ropes 523 are fixedly connected to the side walls of the three arc-shaped pressing plates 515 respectively. It should be noted that: when the motor body 2 rotates at a low speed with the transmission shaft 3, the arc-shaped pressing plate 515 is pulled by the adjusting block 521 and the pull rope 523 under the elastic action of the adjusting spring 522, so that one end of the arc-shaped pressing plate 515 extends out of the annular groove 513 under the action of centrifugal force when the adjusting ring 512 rotates at a low speed.
The right end of the cooling oil pipe 4 and the lower part of the oil inlet pipe 501 are fixedly connected with a one-way valve 524. It should be noted that: the one-way valve 524 enables the cooling liquid to flow from the oil inlet pipe 501 to the cooling oil pipe 4 in one way, so that the heat dissipation stability is improved.
In this embodiment, as shown in fig. 1 to 12, the sliding rod 510 is a T-shaped rod, the bottom of the sliding rod 510 is a spherical surface, steel balls are rotationally connected to the periphery of the top of the sliding rod 510, and the side walls of the steel balls overlap with the inner wall of the sliding sleeve 509. It should be noted that: the cooperation of the sliding rod 510 and the sliding sleeve 509 improves the stability of the sliding rod 510 in movement, and the friction resistance of the sliding rod 510 sliding in the sliding sleeve 509 is reduced under the action of the steel balls; while the spherically disposed slide bar 510 reduces frictional resistance when in contact with the arcuate pad 519.
In this embodiment, as shown in fig. 1 to 12, both ends of the rotating rod 514 are fixedly sleeved with a support bearing, and an outer ring on one side of the support bearing is fixedly connected with the inner wall of the annular groove 513. It should be noted that: the rotating rod 514 can stably rotate in the annular groove 513.
In this embodiment, as shown in fig. 1 to 12, the self-locking mechanism 7 includes two support blocks 701, the two support blocks 701 are symmetrically and fixedly connected to the inner wall of the sealing cover 6, and a limit clamping groove 702 is formed in the side wall of the support block 701.
The inner wall symmetry fixedly connected with stop collar 703 of seal cover 1, two stop collars 703 respectively with two supporting shoe 701 one-to-one, the inside sliding connection of stop collar 703 has limiting plate 704, fixedly connected with supports pressure spring 705 between the bottom of limiting plate 704 and the inner wall of stop collar 703, the equal fixedly connected with guide pin 706 in both sides of limiting plate 704, waist type groove 707 has all been seted up to the both sides of stop collar 703, two guide pins 706 are sliding connection in the inside of two waist type grooves 707 respectively.
The lateral wall of limiting plate 704 has seted up spacing recess 708, and the lateral wall of limiting plate 704 and the lateral wall of supporting shoe 701 are all fixedly connected with T type gag lever post 709, and two adjacent T type gag lever posts 709 dislocation set, two T type gag lever posts 709 respectively with spacing draw-in groove 702 and spacing recess 708 one-to-one.
Four locking screw grooves 710 are formed in the side, adjacent to the sealing cover 6, of the sealing sleeve 1 at equal intervals along the circumference, locking screw rods 711 are connected between the two adjacent locking screw grooves 710 in a threaded mode, and the surface of the limiting plate 704 is overlapped with one end of each adjacent locking screw rod 711.
In this embodiment, as shown in fig. 1 to 12, the limiting sleeve 703 is a U-shaped sleeve, and a cushion block is fixedly connected to one end of the limiting plate 704, which is far away from the pressing spring 705. It should be noted that: the cushion block is arranged, so that when the locking screw 711 and the locking screw groove 710 are matched and locked, the pressing limiting plate 704 can stably move in the limiting sleeve 703.
The inner wall of the limit sleeve 703 is fixedly connected with a guide rod, the surface of the limit plate 704 is provided with a guide hole matched with the guide rod, and the pressing spring 705 is movably sleeved in the middle of the guide rod. It should be noted that: the stability of the pressing spring 705 during installation and use is improved by the guide rod arrangement.
In this embodiment, as shown in fig. 1 to 12, the distance between two sides of the inner wall of the limit groove 708 is the same as the diameter of the middle part of the T-shaped limit lever 709, the diameter of one end of the limit clamping groove 702 is 1.2 times that of one end of the adjacent T-shaped limit lever 709, and the diameter of the other end of the limit clamping groove 702 is the same as the diameter of the middle part of the T-shaped limit lever 709. It should be noted that: when the limiting plate 704 and the supporting block 701 relatively move, the T-shaped limiting rod 709 on the limiting plate 704 can be inserted into one end of the limiting clamping groove 702, and the T-shaped limiting rod 709 on the supporting block 701 can move to the position of the limiting groove 708; when the limiting plate 704 is pressed by the locking screw 711, the two T-shaped limiting rods 709 slide in the corresponding limiting clamping grooves 702 and the corresponding limiting grooves 708 respectively, and the positions of the limiting plate 704 and the supporting blocks 701 are effectively limited under the limiting effect of one protruding end of the T-shaped limiting rods 709.
In this embodiment, as shown in fig. 1 to 12, the outer walls of the sealing sleeve 1 and the sealing cover 6 are symmetrically and fixedly connected with positioning strips, the right side of the sealing sleeve 1 is fixedly connected with an air inlet filter cover, and the left side of the sealing cover 6 is fixedly connected with an air outlet filter cover. It should be noted that: the positioning strips are arranged, so that the positions of the limiting plate 704 and the supporting block 701 can be accurately aligned in the installation process.
The right side at the top of the sealing sleeve 1 is fixedly connected with an oil inlet joint matched with the oil inlet pipe 501, and the left side at the top of the sealing sleeve 1 is fixedly connected with an oil discharge joint matched with the cooling oil pipe 4. It should be noted that: the oil inlet joint and the oil discharge joint are connected with a peripheral circulating oil tank, so that cooling oil in the oil tank circularly flows.
The application method and the advantages of the invention are as follows: this sealing device for explosion-proof motor with radiating effect, the working process is as follows:
as shown in fig. 1, 2 and 3, when the explosion-proof motor sealing device is installed, firstly, the motor body 2 is fixedly installed on the inner bottom surface of the sealing sleeve 1, after the sealing sleeve 1 is aligned with four locking screw grooves 710 on the sealing cover 6 one by one, the right end of the sealing cover 6 is sleeved on the left end of the sealing sleeve 1, at this time, the T-shaped limiting rods 709 on the two supporting blocks 701 on the inner wall of the sealing cover 6 move to the bottoms of the corresponding limiting plates 704 and are aligned with the limiting grooves 708, and the T-shaped limiting rods 709 on the side wall of the limiting plates 704 are inserted into the limiting clamping grooves 702;
then, the locking screw 711 is rotated to enable the locking screw 711 to be in threaded connection with the inside of two locking screw grooves 710 on the sealing sleeve 1 and the sealing cover 6, at the moment, the locking screw 711 props against the limiting plate 704 to slide in the limiting sleeve 703, so that the limiting groove 708 on the limiting plate 704 is clamped in the middle of the T-shaped limiting rod 709 on the supporting block 701, the T-shaped limiting rod 709 on the limiting plate 704 moves towards the other end of the limiting clamping groove 702, the limiting plate 704 and the supporting block 701 are mutually limited under the action of the two T-shaped limiting rods 709, when the inside of the sealing sleeve 1 explodes, the generated acting force enables the sealing sleeve 1 and the sealing cover 6 to move away from each other, and when the bolt loosens, the two T-shaped limiting rods 709 are matched with the limiting clamping groove 702 and the limiting groove 708 to limit, so that the two T-shaped limiting rods 709 respectively pull the supporting block 701 and the limiting plate 709 to move relatively, the sealing sleeve 1 and the sealing cover 6 to be stably sleeved together, and the explosion-proof effect is improved;
in the use process of the motor body 2, along with the increase of the rotating speed of the rotating end of the motor body 2 and the increase of the power of the motor body 2, more heat is generated inside the motor body 2, at the moment, the rotating speed of the transmission shaft 3 is increased, the centrifugal force on the surfaces of the transmission shaft 3 and the adjusting ring 512 is increased, at the moment, the arc-shaped pressing plate 515 pulls the adjusting block 521 to slide inside the adjusting groove 520 through the pull rope 523, one end of the arc-shaped pressing plate 515 far away from the rotating rod 514 extends out of the annular groove 513, at the moment, the arc-shaped base plate 519 on the side wall of the arc-shaped pressing plate 515 is pressed against one end of the corresponding sliding rod 510 along with the rotation and reciprocation, and the sliding rod 510 moves towards the inside of the sliding sleeve 509;
along with the upward movement of the slide bar 510, the guide wheel 511 on the side wall of the slide bar 510 and the chute 507 on the side wall of the U-shaped adjusting plate 506 are matched to slide, the U-shaped adjusting plate 506 moves outside the oil guiding sleeve 502 with the piston plates 503, the two piston plates 503 move back to enable the oil guiding sleeve 502 to be filled with more cooling oil, when the slide bar 510 is released from being contacted with the arc-shaped base plate 519, the compression spring 505 quickly resets with the U-shaped adjusting plate 506, the two piston plates 503 relatively move, the cooling oil inside the oil guiding sleeve 502 is quickly extruded into the cooling oil pipe 4, the flow rate of liquid inside the cooling oil pipe 4 is automatically improved, the cooling effect is improved, and the cooling liquid is automatically accelerated according to the change of the rotation speed, so that the operation convenience is improved.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a sealing device for explosion-proof motor with radiating effect, includes seal cover (1), its characterized in that: the inner bottom surface of the sealing sleeve (1) is fixedly connected with a motor body (2), the rotating end of the motor body (2) is fixedly connected with a transmission shaft (3), and the right side of the transmission shaft (3) is rotationally connected to the right end of the sealing sleeve (1);
the inner top surface of the sealing sleeve (1) is fixedly connected with a cooling oil pipe (4), the middle part of the cooling oil pipe (4) is detachably arranged on the surface of the motor body (2), and an adjusting mechanism (5) is movably connected between the right side of the cooling oil pipe (4) and the transmission shaft (3);
the left end of seal cover (1) swing joint has sealed lid (6), swing joint has self-locking mechanism (7) between the inner wall of sealed lid (6) and the inner wall of seal cover (1), the inner wall fixedly connected with radiator fan (8) of sealed lid (6).
2. The sealing device for an explosion-proof motor having a heat radiation effect according to claim 1, wherein: the adjusting mechanism (5) comprises an oil inlet pipe (501), the upper part of the oil inlet pipe (501) is fixedly connected to the inner top surface of the sealing sleeve (1), and an oil guide sleeve (502) is fixedly connected between the lower part of the oil inlet pipe (501) and the right end of the cooling oil pipe (4);
piston plates (503) are slidably connected to two sides of the inner wall of the oil guide sleeve (502), limiting rings (504) are symmetrically and fixedly connected to the middle of the inner wall of the oil guide sleeve (502), compression springs (505) are symmetrically and fixedly connected between the inner wall of the oil guide sleeve (502) and the side walls of the piston plates (503), U-shaped adjusting plates (506) are fixedly connected to two opposite sides of the two piston plates (503), and inclined grooves (507) are formed in two sides of the inner wall of the U-shaped adjusting plates (506);
the oil inlet pipe (501) and the surface of one side adjacent to the cooling oil pipe (4) are fixedly connected with brackets (508), the top of each bracket (508) is fixedly connected with the inner top surface of a sealing sleeve (1), the bottoms of each bracket (508) are fixedly connected with sliding sleeves (509), the two sliding sleeves (509) respectively correspond to the two U-shaped adjusting plates (506) one by one, sliding rods (510) are slidably connected in the sliding sleeves (509), guide wheels (511) are symmetrically and rotatably connected at the lower parts of the sliding rods (510), and the two guide wheels (511) are respectively and slidably connected in the adjacent two inclined slots (507);
the surface symmetry of transmission shaft (3) has fixedly cup jointed adjusting ring (512), two adjusting ring (512) respectively with two slide bar (510) one-to-one, annular groove (513) has been seted up at the middle part of adjusting ring (512), the inner wall of annular groove (513) is rotated along circumference equidistance and is connected with three bull stick (514), the middle part fixedly connected with arc clamp plate (515) of bull stick (514), four spouts (516) have been seted up to the equidistant one side that keeps away from annular groove (513) of arc clamp plate (515), the inside sliding connection of spout (516) has slider (517), fixedly connected with reset spring (518) between the inner wall of one end of slider (517) and spout (516), four fixedly connected with arc backing plate (519) between the other end of slider (517);
three adjusting grooves (520) are formed in the inner wall of the annular groove (513) at equal intervals along the circumference, an adjusting block (521) is connected inside the adjusting groove (520) in a sliding mode, an adjusting spring (522) is movably connected between the side wall of the adjusting block (521) and the inner wall of the adjusting groove (520), a pull rope (523) is fixedly connected to one side of the adjusting block (521), and one ends of the three pull ropes (523) are respectively and fixedly connected to the side walls of the three arc-shaped pressing plates (515);
the right end of the cooling oil pipe (4) and the lower part of the oil inlet pipe (501) are fixedly connected with one-way valves (524).
3. The sealing device for an explosion-proof motor having a heat radiation effect according to claim 2, wherein: the sliding rod (510) is a T-shaped rod, the bottom of the sliding rod (510) is a spherical surface, steel balls are rotationally connected to the periphery of the top of the sliding rod (510), and the side walls of the steel balls are in lap joint with the inner wall of the sliding sleeve (509).
4. The sealing device for an explosion-proof motor having a heat radiation effect according to claim 2, wherein: the two ends of the rotating rod (514) are fixedly sleeved with supporting bearings, and an outer ring on one side of each supporting bearing is fixedly connected with the inner wall of the annular groove (513).
5. The sealing device for an explosion-proof motor having a heat radiation effect according to claim 1, wherein: the self-locking mechanism (7) comprises two supporting blocks (701), the two supporting blocks (701) are symmetrically and fixedly connected to the inner wall of the sealing cover (6), and a limit clamping groove (702) is formed in the side wall of the supporting block (701);
the inner wall of the sealing sleeve (1) is symmetrically and fixedly connected with a limiting sleeve (703), the two limiting sleeves (703) are respectively in one-to-one correspondence with the two supporting blocks (701), a limiting plate (704) is connected in a sliding manner in the limiting sleeve (703), a pressing spring (705) is fixedly connected between the bottom of the limiting plate (704) and the inner wall of the limiting sleeve (703), guide pins (706) are fixedly connected to the two sides of the limiting plate (704), waist-shaped grooves (707) are respectively formed in the two sides of the limiting sleeve (703), and the two guide pins (706) are respectively connected in the two waist-shaped grooves (707) in a sliding manner;
a limiting groove (708) is formed in the side wall of the limiting plate (704), T-shaped limiting rods (709) are fixedly connected to the side wall of the limiting plate (704) and the side wall of the supporting block (701), two adjacent T-shaped limiting rods (709) are arranged in a staggered mode, and the two T-shaped limiting rods (709) are respectively in one-to-one correspondence with the limiting clamping groove (702) and the limiting groove (708);
four locking screw grooves (710) are formed in one side, adjacent to the sealing cover (6), of the sealing sleeve (1) at equal intervals along the circumference, locking screw rods (711) are connected between the two adjacent locking screw grooves (710) in a threaded mode, and the surface of the limiting plate (704) is overlapped with one end of each adjacent locking screw rod (711).
6. The sealing device for an explosion-proof motor having a heat radiation effect according to claim 5, wherein: the limiting sleeve (703) is a U-shaped sleeve, and one end of the limiting plate (704) far away from the pressing spring (705) is fixedly connected with a cushion block;
the inner wall of the limit sleeve (703) is fixedly connected with a guide rod, a guide hole matched with the guide rod is formed in the surface of the limit plate (704), and the pressing spring (705) is movably sleeved in the middle of the guide rod.
7. The sealing device for an explosion-proof motor having a heat radiation effect according to claim 5, wherein: the distance between the two sides of the inner wall of the limiting groove (708) is the same as the diameter of the middle part of the T-shaped limiting rod (709), the diameter of one end of the limiting clamping groove (702) is 1.2 times of the diameter of one end of the adjacent T-shaped limiting rod (709), and the diameter of the other end of the limiting clamping groove (702) is the same as the diameter of the middle part of the T-shaped limiting rod (709).
8. The sealing device for an explosion-proof motor having a heat radiation effect according to claim 5, wherein: the sealing sleeve (1) and the outer wall of the sealing cover (6) are symmetrically and fixedly connected with positioning strips, the right side of the sealing sleeve (1) is fixedly connected with an air inlet filter cover, and the left side of the sealing cover (6) is fixedly connected with an air outlet filter cover;
the right side at the top of the sealing sleeve (1) is fixedly connected with an oil inlet joint matched with an oil inlet pipe (501), and the left side at the top of the sealing sleeve (1) is fixedly connected with an oil discharge joint matched with a cooling oil pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310665577.3A CN116667582A (en) | 2023-06-05 | 2023-06-05 | Sealing device with radiating effect for explosion-proof motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310665577.3A CN116667582A (en) | 2023-06-05 | 2023-06-05 | Sealing device with radiating effect for explosion-proof motor |
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| Publication Number | Publication Date |
|---|---|
| CN116667582A true CN116667582A (en) | 2023-08-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310665577.3A Pending CN116667582A (en) | 2023-06-05 | 2023-06-05 | Sealing device with radiating effect for explosion-proof motor |
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| Country | Link |
|---|---|
| CN (1) | CN116667582A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116846148A (en) * | 2023-09-04 | 2023-10-03 | 广东兆力电机集团有限公司 | Motor with auxiliary heat dissipation device |
| CN117380081A (en) * | 2023-12-12 | 2024-01-12 | 山东思科生物科技有限公司 | Flow detection device and method for seaweed suspension fertilizer production |
-
2023
- 2023-06-05 CN CN202310665577.3A patent/CN116667582A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116846148A (en) * | 2023-09-04 | 2023-10-03 | 广东兆力电机集团有限公司 | Motor with auxiliary heat dissipation device |
| CN116846148B (en) * | 2023-09-04 | 2023-11-17 | 广东兆力电机集团有限公司 | Motor with auxiliary heat dissipation device |
| CN117380081A (en) * | 2023-12-12 | 2024-01-12 | 山东思科生物科技有限公司 | Flow detection device and method for seaweed suspension fertilizer production |
| CN117380081B (en) * | 2023-12-12 | 2024-03-08 | 山东思科生物科技有限公司 | Flow detection device and method for seaweed suspension fertilizer production |
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