CN112290741A - New forms of energy ore deposit card driving motor with high-efficient heat radiation structure - Google Patents
New forms of energy ore deposit card driving motor with high-efficient heat radiation structure Download PDFInfo
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- CN112290741A CN112290741A CN202011117768.9A CN202011117768A CN112290741A CN 112290741 A CN112290741 A CN 112290741A CN 202011117768 A CN202011117768 A CN 202011117768A CN 112290741 A CN112290741 A CN 112290741A
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- 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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- 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
- H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
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Abstract
The invention relates to a new energy mine card driving motor with a high-efficiency heat dissipation structure, which comprises a motor, a friction disc, a friction wheel, a heat dissipation device and an eccentric adjusting assembly, wherein the friction disc is arranged on the motor; the friction disc is arranged on a main shaft of the motor, and the friction wheel can rotate along with the friction disc; the heat dissipation device is configured to improve the heat dissipation capacity along with the increase of the rotating speed of the friction wheel; the eccentric adjusting assembly comprises a transmission rod and a connecting sleeve, the transmission rod can be rotationally arranged along with a main shaft of the motor, a centrifugal adjusting block is arranged on the transmission rod, a linkage mechanism and two threaded meshing blocks are arranged in the centrifugal adjusting block, and the linkage mechanism is configured to enable only one threaded meshing block to be matched with the connecting sleeve; the connecting sleeve is configured to be meshed with different thread meshing blocks so as to drive the friction wheel to move at different speeds in the direction away from the center of the friction disc along with the rotation of the transmission rod and increase the rotating speed of the friction wheel. When the motor load is reduced and the rotating speed of the main shaft is increased, the moving speed of the connecting sleeve is stably increased by switching the matching of the threaded meshing block and the connecting sleeve, and further the heat dissipation capability is stably improved.
Description
Technical Field
The invention relates to the field of driving motors, in particular to a new energy mine card driving motor with a high-efficiency heat dissipation structure.
Background
With the transition from a high-speed growth stage to a high-quality development stage of economy in China, the traditional industry, particularly the mine industry, faces serious challenges of economic structure adjustment and transformation upgrading, green and intelligent become development subjects of the future mine industry, and the new-energy mining truck has the remarkable advantages of environmental protection, no waste gas emission, good energy-saving effect, low cost, less investment and easiness in popularization, and realizes remote control of surface mining equipment. The new energy mining truck is driven by the motor, and in the running process of the motor, the generated heat is continuously accumulated along with the increase of future time, so that the temperature inside the motor is gradually increased, and the heat dissipation device is adopted to dissipate heat of the motor.
Disclosure of Invention
The invention provides a new energy mine card driving motor with an efficient heat dissipation structure, and aims to solve the problem that an existing driving motor cannot dissipate heat well.
The new energy mine card driving motor with the efficient heat dissipation structure adopts the following technical scheme:
a new energy mine card driving motor with a high-efficiency heat dissipation structure comprises a motor, a friction disc, a friction wheel, a heat dissipation device, a first transmission assembly and an eccentric adjustment assembly; the motor comprises a main shaft, and the main shaft is vertically arranged; the friction disc is horizontally arranged on the main shaft, the friction wheel is rotatably arranged above the friction disc and is in contact with the friction disc, and the rotating axis of the friction wheel is vertical to that of the friction disc; the first transmission assembly is configured to transmit rotation of the friction wheel to the heat sink; the heat dissipation device is configured to improve the heat dissipation capacity along with the increase of the rotating speed of the friction wheel; the eccentric adjusting assembly comprises a second transmission assembly, a transmission rod, a connecting sleeve and a centrifugal adjusting block, the second transmission assembly is configured to transmit the rotation of the main shaft to the transmission rod and drive the transmission rod to rotate, the centrifugal adjusting block is arranged on the transmission rod, a linkage mechanism and two thread meshing blocks are arranged in the centrifugal adjusting block, the two thread meshing blocks are respectively a fine thread meshing block and a coarse thread meshing block, a fine thread groove and a coarse thread groove which are matched with the fine thread meshing block and the coarse thread meshing block are arranged in the connecting sleeve, and after the fine thread meshing block is matched with the fine thread groove or the coarse thread meshing block is matched with the coarse thread groove, the friction wheel is driven to move towards the direction far away from the center of the friction disc under the rotation of the transmission rod, so that the rotation speed of the friction wheel is increased; the moving speed of the connecting sleeve when the fine thread meshing block is matched with the fine thread groove is less than that when the coarse thread meshing block is matched with the coarse thread groove; the linkage mechanism is configured to extend only one of the threaded engagement blocks out of the centrifugal adjustment block to be matched with the connecting sleeve and to disengage the other threaded engagement block from the connecting sleeve when the rotation speed of the transmission rod is less than a preset value, and the other threaded engagement block is configured to extend the centrifugal adjustment block out of the centrifugal adjustment block to be matched with the connecting sleeve when the rotation speed of the transmission rod is greater than the preset value and to disengage one of the threaded engagement blocks from the connecting sleeve through the linkage mechanism.
Optionally, the weight of the fine thread engagement block is larger than that of the coarse thread engagement block, the linkage mechanism further comprises a pre-tightening spring and an adjusting lever, and the pre-tightening spring is vertically arranged on the lower side of the coarse thread engagement block so as to enable the coarse thread engagement block to be matched with the connecting sleeve in an initial state; the adjusting lever is hinged in the centrifugal adjusting block, one end of the adjusting lever is connected with the fine thread meshing block, the other end of the adjusting lever is connected with the coarse thread meshing block, so that when the load of the motor is reduced and the rotating speed of the main shaft is increased, the centrifugal force of the fine thread meshing block overcomes the sum of the centrifugal force of the coarse thread meshing block and the elastic force of the pre-tightening spring, extends out of the centrifugal adjusting block to be matched with the connecting sleeve, and presses the coarse thread meshing block back into the centrifugal adjusting block through the adjusting lever.
Optionally, the thick thread groove is arranged on the inner wall of the connecting sleeve so that the inner wall of the connecting sleeve forms a spiral protrusion, the plurality of thin thread grooves are arranged on the inner wall surface of the spiral protrusion, at least part of the thin thread grooves are communicated with the thick thread groove so that the thin thread grooves are of a discontinuous structure, and the thread pitch of the thin thread grooves is smaller than that of the thick thread grooves; the fine thread engagement block is provided with a plurality of teeth engaged with the fine thread groove so that the fine thread engagement block is always engaged when engaged with the fine thread groove.
Optionally, two friction wheels are symmetrically arranged along a reference plane, rotate along with the friction disc and rotate in opposite directions; the two first transmission assemblies are symmetrically arranged along the reference plane, the reference plane is vertically arranged and extends along the front-back direction, and the axis of the friction disc is positioned on the reference plane; the first transmission assemblies comprise telescopic shafts, bevel gear sleeves and transmission bevel gears, the telescopic shafts are horizontally arranged in a left-right moving mode and are fixedly connected with the centers of the friction wheels, and the telescopic shafts of the two first transmission assemblies synchronously move towards or away from each other; the bevel gear sleeve can slide left and right and is arranged on the telescopic shaft in a synchronous rotating manner and is positioned between the two friction wheels; the transmission bevel gear is arranged at the end part of the bevel gear sleeve close to the reference plane; the heat dissipation device comprises a connecting shaft and fan blades, the connecting shaft is vertically arranged, the fan blades are arranged at the upper end of the connecting shaft, fan blade bevel gears are arranged at the lower end of the connecting shaft and are meshed with the transmission bevel gears of the two first transmission assemblies, so that the fan blade bevel gears drive the connecting shaft to rotate under the transmission of the two transmission bevel gears with opposite rotation directions, the fan blades are further rotated, and heat is dissipated to the motor.
Optionally, one end of each of the two telescopic shafts, which is close to the circle center of the friction disc, is provided with a linkage rack, the linkage racks extend along the horizontal direction, are rotatably arranged at the end face eccentric positions of the telescopic shafts around the axes of the telescopic shafts relative to the telescopic shafts, and are only movably arranged along the left-right direction; an adjusting gear meshed with the two linkage racks is arranged between the two linkage racks so as to enable the two telescopic shafts to synchronously approach or depart from each other.
Optionally, the new energy mine card driving motor with the efficient heat dissipation structure further comprises a reset mechanism, the reset mechanism comprises a sliding block and a reset spring, the reset spring is horizontally arranged and extends along the length direction of the transmission rod, the side face of the sliding block is connected with the reset spring, and the lower end of the sliding block is connected with the connecting sleeve through a connecting column so as to drive the sliding block to move and extrude the reset spring when the connecting sleeve moves outwards along the transmission rod; the right sides of the teeth of the coarse thread meshing block and the fine thread meshing block are both provided with inclined planes, so that when the main shaft stops rotating, the connecting sleeve extrudes the coarse thread meshing block and the fine thread meshing block into the centrifugal adjusting block under the action of the return spring and moves inwards to return to the initial position.
Optionally, a housing of the motor is provided with a mounting assembly, the mounting assembly includes a heat dissipation plate, a mounting bracket and a holder, the heat dissipation plate is horizontally mounted above the housing of the motor, and the heat dissipation plate is provided with a plurality of heat dissipation holes; the mounting bracket is arranged on the upper side of the heat dissipation plate; the holder has two, all sets up in the installing support, and two bevel gear sleeves pass two holders respectively and with holder rotatable coupling to hinder transmission bevel gear slope and hinder bevel gear sleeve and remove along with the telescopic shaft is removed.
Optionally, the two holders are connected by two connecting plates extending left and right, and the two connecting plates are respectively arranged on the front side and the rear side of the two holders; two parallel rack limiting plates are arranged between the two connecting plates, rack holes for the two linkage racks to pass through are respectively arranged on the two rack limiting plates, so that the linkage racks only move along the left and right directions along with the telescopic shaft, and the adjusting gear is rotatably arranged between the two rack limiting plates.
Optionally, an inner telescopic shaft groove is formed in one side, away from the center of the circle, of each of the two telescopic shafts, and the left side, away from the transmission rod, of each telescopic shaft penetrates through the left friction wheel and is rotatably mounted on the mounting bracket through the inner telescopic shaft groove; the telescopic shaft close to one side of the transmission rod penetrates through the mounting hole of the right friction wheel and is rotatably connected with the connecting sleeve and can move outwards along with the connecting sleeve.
Optionally, the second transmission assembly includes a first gear, a second gear, a third gear, and a fourth gear, the first gear is horizontally mounted to the main shaft and located below the friction disc; the second gear is rotatably and horizontally arranged and is meshed with the first gear; the third gear is rotatably and vertically arranged on the right side of the friction disc, the rotating axis of the third gear and the rotating axis of the friction wheel are positioned on the same vertical plane, and the side surface of the third gear is provided with end surface teeth meshed with the second gear; the fourth gear is meshed with the third gear, the fourth gear is coaxial with the friction wheel, and the transmission rod is installed in a center hole of the fourth gear and rotates synchronously with the fourth gear.
The invention has the beneficial effects that: according to the new energy mine card driving motor with the efficient heat dissipation structure, the eccentric distance of the friction wheel relative to the friction disc is increased through the eccentric adjusting assembly, the heat dissipation efficiency of the heat dissipation device is improved, the heat dissipation capacity of the heat dissipation device is continuously increased along with the increase of the service life of the motor, the heat dissipation effect is good, and the single service life of the new energy mine card driving motor is remarkably prolonged; under the normal working state, the heat dissipation efficiency of the heat dissipation device is increased along with the increase of the service time of the motor; when the motor load is reduced and the rotating speed of the motor is increased, the moving speed of the connecting sleeve is increased, so that the heat dissipation efficiency of the heat dissipation device is increased suddenly, the eccentric adjusting assembly enables the moving speed of the connecting sleeve to be reduced by switching the coarse thread meshing block into the fine thread meshing block, the friction wheel is further enabled to move towards the eccentric direction relative to the friction disc, and the heat dissipation efficiency of the heat dissipation device is stably increased.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of an embodiment of a new energy mine card driving motor with an efficient heat dissipation structure according to the present invention;
fig. 2 is an overall front view of an embodiment of a new energy mine card driving motor with a high-efficiency heat dissipation structure according to the present invention;
fig. 3 is an overall front sectional view of an embodiment of a new energy mine card driving motor having a high-efficiency heat dissipation structure according to the present invention;
FIG. 4 is an enlarged view of the point A in FIG. 3;
fig. 5 is a schematic diagram of a connection sleeve in an embodiment of a new energy mine card driving motor with an efficient heat dissipation structure according to the present invention;
fig. 6 is a schematic half-sectional view of a connecting sleeve in an embodiment of the new energy mine card driving motor with an efficient heat dissipation structure according to the present invention;
FIG. 7 is an enlarged view of the point B in FIG. 3;
fig. 8 is a schematic view of a holder in an embodiment of a new energy mine card driving motor with a high-efficiency heat dissipation structure according to the present invention;
fig. 9 is a schematic diagram of a centrifugal adjustment block and an internal structure in an embodiment of a new energy mine card driving motor with an efficient heat dissipation structure according to the present invention;
in the figure: 101. a motor; 102. a heat dissipation plate; 103. mounting a bracket; 104. fan blades; 105. a main shaft; 106. a connecting shaft; 201. a friction disk; 202. a friction wheel; 203. a bevel gear sleeve; 204. a holder; 205. a drive bevel gear; 206. a fan blade bevel gear; 207. a support bar; 208. a fourth gear; 209. a third gear; 210. a second gear; 211. a first gear; 212. an inner groove of the telescopic shaft; 213. a telescopic shaft; 215. a linkage rack; 216. an adjusting gear; 217. a rack limiting plate; 218. a slider; 219. a return spring; 220. a connecting plate; 221. a rack hole; 260. a transmission rod; 261. a centrifugal adjusting block; 262. a fine thread engagement block; 263. pre-tightening the spring; 264. an adjustment lever; 265. a coarse thread engagement block; 270. connecting sleeves; 271. a fine thread groove; 272. a coarse thread groove; 280. a reset mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
An embodiment of the new energy mine card driving motor with a high-efficiency heat dissipation structure, as shown in fig. 1 to 9, includes a motor 101, a friction disc 201, a friction wheel 202, a heat dissipation device, a first transmission assembly, and an eccentric adjustment assembly. The motor 101 includes a main shaft 105, and the main shaft 105 is vertically disposed. The friction disc 201 is horizontally installed on the main shaft 105, the friction wheel 202 is rotatably installed above the friction disc 201 and is arranged in contact with the friction disc 201, and the rotation axis of the friction wheel 202 is perpendicular to the rotation axis of the friction disc 201. The first transmission assembly is configured to transmit rotation of the friction wheel 202 to the heat sink. The heat sink is configured to increase the heat dissipation capacity as the rotational speed of the friction wheel 202 increases. The eccentric adjusting assembly comprises a second transmission assembly, a transmission rod 260, a connecting sleeve 270 and a centrifugal adjusting block 261, the second transmission assembly is configured to transmit the rotation of the spindle 105 to the transmission rod 260 and drive the transmission rod 260 to rotate, the centrifugal adjusting block 261 is installed on the transmission rod 260, a linkage mechanism and two thread engagement blocks are arranged in the centrifugal adjusting block 261, the two thread engagement blocks are respectively a fine thread engagement block 262 and a coarse thread engagement block 265, a fine thread groove 271 and a coarse thread groove 272 which are matched with the fine thread engagement block 262 and the coarse thread engagement block 265 are arranged in the connecting sleeve 270, so that after the fine thread engagement block 262 is matched with the fine thread groove 271 or after the coarse thread engagement block 265 is matched with the coarse thread groove 272, the friction wheel 202 is driven to move in the direction far away from the center of the friction disc 201 under the rotation of the transmission rod 260, and the rotation speed of the friction wheel 202 is increased; the moving speed of the coupling sleeve 270 when the fine thread engagement block 262 is engaged with the fine thread groove 271 is smaller than the moving speed of the coupling sleeve 270 when the coarse thread engagement block 265 is engaged with the coarse thread groove 272. The linkage mechanism is configured to extend only one of the screw engagement blocks out of the centrifugal adjustment block 261 to engage with the connection sleeve 270 and to disengage the other screw engagement block from the connection sleeve 270 when the rotational speed of the transmission rod 260 is less than a preset value, and the other screw engagement block is configured to extend the centrifugal adjustment block 261 to engage with the connection sleeve 270 and to disengage the one screw engagement block from the connection sleeve 270 through the linkage mechanism when the rotational speed of the transmission rod 260 is greater than the preset value.
In this embodiment, the weight of the fine thread engaging block 262 is greater than that of the coarse thread engaging block 265, the linkage mechanism further includes a pre-tightening spring 263 and an adjusting lever 264, the pre-tightening spring 263 is vertically disposed at the lower side of the coarse thread engaging block 265, so that the coarse thread engaging block 265 is engaged with the connecting sleeve 270 in an initial state; the adjusting lever 264 is hinged in the centrifugal adjusting block 261, and one end of the adjusting lever 264 is connected with the fine thread engaging block 262, and the other end of the adjusting lever is connected with the coarse thread engaging block 265, so that when the load of the motor 101 is reduced and the rotating speed of the main shaft 105 is increased, the centrifugal force of the fine thread engaging block 262 overcomes the sum of the centrifugal force of the coarse thread engaging block 265 and the elastic force of the pre-tightening spring 263, extends out of the centrifugal adjusting block 261 to be matched with the connecting sleeve 270, and the coarse thread engaging block 265 is pressed back into the centrifugal adjusting block 261 through the adjusting lever.
In this embodiment, the thick thread groove 272 is disposed on an inner wall of the connection sleeve 270, and a spiral protrusion is formed on the inner wall of the connection sleeve 270, a plurality of the thin thread grooves 271 are disposed on an inner wall surface of the spiral protrusion, at least a portion of the thin thread grooves 271 is communicated with the thick thread groove 272, so that the thin thread grooves 271 are discontinuous, and a thread pitch of the thin thread grooves 271 is smaller than a thread pitch of the thick thread groove 272. The fine thread engaging block 262 is provided with a plurality of teeth which engage with the fine thread groove 271 so that the fine thread engaging block 262 is always engaged when engaged with the fine thread groove 271.
In this embodiment, there are two friction wheels 202, symmetrically disposed along a reference plane, that rotate with friction disc 201 and rotate in opposite directions. The first transmission assemblies are arranged symmetrically along the reference plane, which is vertically arranged and extends in the front-rear direction, and the axis of the friction disc 201 is located on the reference plane. The first transmission assemblies comprise telescopic shafts 213, bevel gear sleeves 203 and transmission bevel gears 205, the telescopic shafts 213 are horizontally arranged in a left-right moving mode and are fixedly connected with the centers of the friction wheels 202, and the telescopic shafts 213 of the two first transmission assemblies synchronously move towards or away from each other; the bevel gear sleeve 203 is mounted on the telescopic shaft 213 in a manner of sliding left and right and rotating synchronously, and is positioned between the two friction wheels 202; the drive bevel gear 205 is disposed at the end of the bevel gear sleeve 203 near the reference plane. The heat dissipation device comprises a connecting shaft 106 and fan blades 104, the connecting shaft 106 is vertically arranged, the fan blades 104 are arranged at the upper end of the connecting shaft 106, fan blade bevel gears 206 are arranged at the lower end of the connecting shaft 106, and the fan blade bevel gears 206 are meshed with the transmission bevel gears 205 of the two first transmission assemblies, so that the fan blade bevel gears 206 drive the connecting shaft 106 to rotate under the transmission of the two transmission bevel gears 205 with opposite rotation directions, and further the fan blades 104 rotate to dissipate heat of the motor 101.
In this embodiment, the two extension shafts 213 are provided with a linked rack 215 at one end thereof close to the center of the friction disc 201, the linked rack 215 extends in the horizontal direction and is rotatably disposed at an eccentric position of the end surface of the extension shaft 213 around the axis of the extension shaft 213 relative to the extension shaft 213 so as to be movable only in the left-right direction, and an adjusting gear 216 engaged with the two linked racks 215 is disposed between the two linked racks 215 so as to enable the two extension shafts 213 to synchronously approach or synchronously separate.
In this embodiment, a housing of the motor 101 is provided with a mounting assembly, the mounting assembly includes a heat dissipation plate 102, a mounting bracket 103, and a holder 204, the heat dissipation plate 102 is horizontally mounted above the housing of the motor 101, and the heat dissipation plate 102 is provided with a plurality of heat dissipation holes; the mounting bracket 103 comprises two vertically arranged side plates and a horizontal upper cover plate for connecting the upper ends of the two side plates, and a through hole for the connecting shaft 106 to pass through is formed in the horizontal upper cover plate; two holding frames 204 are arranged at the lower side of the horizontal upper cover plate, and two bevel gear sleeves 203 respectively penetrate through the two holding frames 204 and are rotatably connected with the holding frames 204 so as to prevent the bevel gear sleeves 205 from inclining and blocking the bevel gear sleeves 203 from moving left and right along with the telescopic shaft 213, and further enable the bevel gear 205 and the fan blade bevel gear 206 to be always meshed; the two holders 204 are connected by two connecting plates 220 extending left and right, and the two connecting plates 220 are respectively disposed on the front and rear sides of the two holders 204. Two parallel rack limiting plates 217 are arranged between the two connecting plates 220, rack holes 221 for the two linkage racks 215 to pass through are respectively arranged on the two rack limiting plates 217, so that the linkage racks 215 only move along the left and right direction along with the telescopic shaft 213, and the adjusting gear 216 is rotatably arranged between the two rack limiting plates 217.
In this embodiment, the telescopic shaft inner grooves 212 are formed on both sides of the two telescopic shafts 213 away from the center of the friction disc 201, and the left side of the telescopic shaft 213 away from the transmission rod 260 passes through the left friction wheel 202 and is rotatably mounted on the mounting bracket 103 through the telescopic shaft inner grooves 212. Specifically, the mounting bracket 103 further includes a support rod 207, the support rod 207 is horizontally disposed, one end of the support rod is mounted on the left side plate of the mounting bracket 103, and the other end of the support rod is inserted into the inner groove 212 of the telescopic shaft. The telescopic shaft 213 near the driving rod 260 passes through the installation hole of the right friction wheel 202 and is connected with the inner hole of the connecting sleeve 270 through a bearing, and can move outwards along with the connecting sleeve 270, and simultaneously drives the friction wheel 202 to move towards the direction far away from the center of the friction disc 201, so that the rotating speed of the friction wheel 202 is increased.
In the present embodiment, the second transmission assembly includes a first gear 211, a second gear 210, a third gear 209, and a fourth gear 208, the first gear 211 is horizontally installed on the main shaft 105 and is located below the friction disc 201; the second gear 210 is rotatably and horizontally arranged and meshed with the first gear 211; the third gear 209 is rotatably and vertically arranged on the right side of the friction disc 201, the rotation axis of the third gear is positioned on the same vertical plane with the rotation axis of the friction wheel 202, and the side surface of the third gear 209 is provided with end surface teeth meshed with the second gear 210; the fourth gear 208 is engaged with the third gear 209, and the fourth gear 208 is coaxial with the friction wheel 202, and the transmission rod 260 is installed in a central hole of the fourth gear 208 and rotates synchronously with the fourth gear 208. Preferably, the second transmission assembly may be a reduction transmission.
In this embodiment, the outer circumference of the telescopic shaft 213 is provided with splines extending in the axial direction of the telescopic shaft 213, and the bevel gear sleeve 203 is provided with spline grooves fitted with the splines, and the splines are slidably mounted in the spline grooves.
In this embodiment, the new energy mine card driving motor with the efficient heat dissipation structure further includes a reset mechanism 280, the reset mechanism 280 includes a slider 218 and a reset spring 219, a sliding slot is disposed at a lower side of the horizontal upper cover plate, the reset spring 219 is installed in the sliding slot and extends along a length direction of the sliding slot, the slider 218 is slidably installed in the sliding slot, a side surface of the slider 218 is connected with the reset spring 219, a lower end of the slider 218 is connected with the connecting sleeve 270 through a connecting column, so as to drive the slider 218 to move in the sliding slot and extrude the reset spring 219 when the connecting sleeve 270 moves outwards along the transmission rod 260; the right sides of the teeth of the coarse thread engagement block 265 and the fine thread engagement block 262 are each provided with a slope so that when the main shaft 105 stops rotating, the connection sleeve 270 presses the coarse thread engagement block 265 and the fine thread engagement block 262 into the centrifugal adjustment block 261 by the return spring 219 and moves inward back to the initial position.
In this embodiment, when the motor 101 is started with a load, the spindle 105 rotates, the friction disc 201 rotates with the spindle 105, the two friction wheels 202 rotate with the friction disc 201 in opposite directions, the friction wheels 202 drive the telescopic shaft 213 to rotate, the telescopic shaft 213 drives the bevel gear sleeve 203 to rotate, so that the transmission bevel gear 205 rotates, and the two friction wheels 202 provide rotation in opposite directions for the two transmission bevel gears 205 to enable the fan blade bevel gear 206 to rotate, so as to drive the fan blade 104 to rotate, thereby dissipating heat from the motor 101. Meanwhile, the main shaft 105 drives the transmission rod 260 to rotate through the second transmission assembly, the transmission sleeve 270 is engaged with the coarse thread engagement block 265 and driven by the transmission rod 260 to move in the direction away from the center of the circle of the friction disc 201 and drive the right telescopic shaft 213 and the friction wheel 202 to move to the right, the left telescopic shaft 213 and the friction wheel 202 synchronously move to the left, the contact position of the friction wheel 202 and the friction disc 201 is further away from the center of the circle of the friction disc 201, the rotating speed is increased, the rotating speed of the fan blade 104 is accelerated, and the heat dissipation capacity is improved. When the load of the motor is reduced and the rotating speed of the main shaft 105 is increased, the moving speed of the transmission sleeve 207 is accelerated, so that the rotating speed of the fan blade 104 is increased suddenly, at the moment, the centrifugal force of the fine thread engagement block 262 overcomes the sum of the centrifugal force of the coarse thread engagement block 265 and the elastic force of the pre-tightening spring 263, extends out of the centrifugal adjusting block 261 to be matched with the connecting sleeve 270, the coarse thread engagement block 265 is pressed back into the centrifugal adjusting block 261 through the adjusting lever 264, the moving speed of the connecting sleeve 270 to the right side is reduced, so that the rotating speed of the fan blade 104 is stably increased, and the heat dissipation.
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 (10)
1. The utility model provides a new forms of energy ore deposit card driving motor with high-efficient heat radiation structure which characterized in that: the friction disc type motor comprises a motor, a friction disc, a friction wheel, a heat dissipation device, a first transmission assembly and an eccentric adjusting assembly; the motor comprises a main shaft, and the main shaft is vertically arranged; the friction disc is horizontally arranged on the main shaft, the friction wheel is rotatably arranged above the friction disc and is in contact with the friction disc, and the rotating axis of the friction wheel is vertical to that of the friction disc; the first transmission assembly is configured to transmit rotation of the friction wheel to the heat sink; the heat dissipation device is configured to improve the heat dissipation capacity along with the increase of the rotating speed of the friction wheel; the eccentric adjusting assembly comprises a second transmission assembly, a transmission rod, a connecting sleeve and a centrifugal adjusting block, the second transmission assembly is configured to transmit the rotation of the main shaft to the transmission rod and drive the transmission rod to rotate, the centrifugal adjusting block is arranged on the transmission rod, a linkage mechanism and two thread meshing blocks are arranged in the centrifugal adjusting block, the two thread meshing blocks are respectively a fine thread meshing block and a coarse thread meshing block, a fine thread groove and a coarse thread groove which are matched with the fine thread meshing block and the coarse thread meshing block are arranged in the connecting sleeve, and after the fine thread meshing block is matched with the fine thread groove or the coarse thread meshing block is matched with the coarse thread groove, the friction wheel is driven to move towards the direction far away from the center of the friction disc under the rotation of the transmission rod, so that the rotation speed of the friction wheel is increased; the moving speed of the connecting sleeve when the fine thread meshing block is matched with the fine thread groove is less than that when the coarse thread meshing block is matched with the coarse thread groove; the linkage mechanism is configured to extend only one of the threaded engagement blocks out of the centrifugal adjustment block to be matched with the connecting sleeve and to disengage the other threaded engagement block from the connecting sleeve when the rotation speed of the transmission rod is less than a preset value, and the other threaded engagement block is configured to extend the centrifugal adjustment block out of the centrifugal adjustment block to be matched with the connecting sleeve when the rotation speed of the transmission rod is greater than the preset value and to disengage one of the threaded engagement blocks from the connecting sleeve through the linkage mechanism.
2. The new energy mine card driving motor with the efficient heat dissipation structure according to claim 1, wherein: the weight of the fine thread meshing block is larger than that of the coarse thread meshing block, the linkage mechanism further comprises a pre-tightening spring and an adjusting lever, and the pre-tightening spring is vertically arranged on the lower side of the coarse thread meshing block so as to enable the coarse thread meshing block to be matched with the connecting sleeve in an initial state; the adjusting lever is hinged in the centrifugal adjusting block, one end of the adjusting lever is connected with the fine thread meshing block, the other end of the adjusting lever is connected with the coarse thread meshing block, so that when the load of the motor is reduced and the rotating speed of the main shaft is increased, the centrifugal force of the fine thread meshing block overcomes the sum of the centrifugal force of the coarse thread meshing block and the elastic force of the pre-tightening spring, extends out of the centrifugal adjusting block to be matched with the connecting sleeve, and presses the coarse thread meshing block back into the centrifugal adjusting block through the adjusting lever.
3. The new energy mine card driving motor with the efficient heat dissipation structure according to claim 1, wherein: the thick thread groove is arranged on the inner wall of the connecting sleeve so as to form a spiral bulge on the inner wall of the connecting sleeve, the plurality of thin thread grooves are arranged on the inner wall surface of the spiral bulge, at least part of the thin thread grooves are communicated with the thick thread groove so as to enable the thin thread grooves to be of a discontinuous structure, and the thread pitch of the thin thread grooves is smaller than that of the thick thread grooves; the fine thread engagement block is provided with a plurality of teeth engaged with the fine thread groove so that the fine thread engagement block is always engaged when engaged with the fine thread groove.
4. The new energy mine card driving motor with the efficient heat dissipation structure according to claim 1, wherein: the two friction wheels are symmetrically arranged along a reference plane, rotate along with the friction disc and have opposite rotation directions; the two first transmission assemblies are symmetrically arranged along the reference plane, the reference plane is vertically arranged and extends along the front-back direction, and the axis of the friction disc is positioned on the reference plane; the first transmission assemblies comprise telescopic shafts, bevel gear sleeves and transmission bevel gears, the telescopic shafts are horizontally arranged in a left-right moving mode and are fixedly connected with the centers of the friction wheels, and the telescopic shafts of the two first transmission assemblies synchronously move towards or away from each other; the bevel gear sleeve can slide left and right and is arranged on the telescopic shaft in a synchronous rotating manner and is positioned between the two friction wheels; the transmission bevel gear is arranged at the end part of the bevel gear sleeve close to the reference plane; the heat dissipation device comprises a connecting shaft and fan blades, the connecting shaft is vertically arranged, the fan blades are arranged at the upper end of the connecting shaft, fan blade bevel gears are arranged at the lower end of the connecting shaft and are meshed with the transmission bevel gears of the two first transmission assemblies, so that the fan blade bevel gears drive the connecting shaft to rotate under the transmission of the two transmission bevel gears with opposite rotation directions, the fan blades are further rotated, and heat is dissipated to the motor.
5. The new energy mine card driving motor with the efficient heat dissipation structure according to claim 4, wherein: one ends of the two telescopic shafts, which are close to the circle center of the friction disc, are provided with linkage racks, the linkage racks extend along the horizontal direction, and are rotatably arranged at the end surface eccentric positions of the telescopic shafts around the axes of the telescopic shafts relative to the telescopic shafts, and the linkage racks are only movably arranged along the left and right directions; an adjusting gear meshed with the two linkage racks is arranged between the two linkage racks so as to enable the two telescopic shafts to synchronously approach or depart from each other.
6. The new energy mine card driving motor with the efficient heat dissipation structure according to claim 1, wherein: the reset mechanism comprises a sliding block and a reset spring, the reset spring is horizontally arranged and extends along the length direction of the transmission rod, the side face of the sliding block is connected with the reset spring, and the lower end of the sliding block is connected with the connecting sleeve through a connecting column so as to drive the sliding block to move and extrude the reset spring when the connecting sleeve moves outwards along the transmission rod; the right sides of the teeth of the coarse thread meshing block and the fine thread meshing block are both provided with inclined planes, so that when the main shaft stops rotating, the connecting sleeve extrudes the coarse thread meshing block and the fine thread meshing block into the centrifugal adjusting block under the action of the return spring and moves inwards to return to the initial position.
7. The new energy mine card driving motor with the efficient heat dissipation structure according to claim 5, wherein: the motor comprises a shell, a motor body and a motor body, wherein a mounting assembly is arranged on the shell of the motor and comprises a heat dissipation plate, a mounting bracket and a retainer; the mounting bracket is arranged on the upper side of the heat dissipation plate; the holder has two, all sets up in the installing support, and two bevel gear sleeves pass two holders respectively and with holder rotatable coupling to hinder transmission bevel gear slope and hinder bevel gear sleeve and remove along with the telescopic shaft is removed.
8. The new energy mine card driving motor with the efficient heat dissipation structure according to claim 7, wherein: the two retainers are connected through two connecting plates extending left and right, and the two connecting plates are respectively arranged on the front side and the rear side of the two retainers; two parallel rack limiting plates are arranged between the two connecting plates, rack holes for the two linkage racks to pass through are respectively arranged on the two rack limiting plates, so that the linkage racks only move along the left and right directions along with the telescopic shaft, and the adjusting gear is rotatably arranged between the two rack limiting plates.
9. The new energy mine card driving motor with the efficient heat dissipation structure according to claim 7, wherein: telescopic shaft inner grooves are formed in the sides, away from the circle center of the friction disc, of the two telescopic shafts, and the left sides, away from the transmission rod, of the telescopic shafts penetrate through the left friction wheel and are rotatably mounted on the mounting support through the telescopic shaft inner grooves; the telescopic shaft close to one side of the transmission rod penetrates through the mounting hole of the right friction wheel and is rotatably connected with the connecting sleeve and can move outwards along with the connecting sleeve.
10. The new energy mine card driving motor with the efficient heat dissipation structure according to claim 1, wherein: the second transmission assembly comprises a first gear, a second gear, a third gear and a fourth gear, and the first gear is horizontally arranged on the main shaft and is positioned below the friction disc; the second gear is rotatably and horizontally arranged and is meshed with the first gear; the third gear is rotatably and vertically arranged on the right side of the friction disc, the rotating axis of the third gear and the rotating axis of the friction wheel are positioned on the same vertical plane, and the side surface of the third gear is provided with end surface teeth meshed with the second gear; the fourth gear is meshed with the third gear, the fourth gear is coaxial with the friction wheel, and the transmission rod is installed in a center hole of the fourth gear and rotates synchronously with the fourth gear.
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| CN202011117768.9A CN112290741B (en) | 2020-10-19 | 2020-10-19 | New forms of energy ore deposit card driving motor with high-efficient heat radiation structure |
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| CN202011117768.9A CN112290741B (en) | 2020-10-19 | 2020-10-19 | New forms of energy ore deposit card driving motor with high-efficient heat radiation structure |
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| CN114225151A (en) * | 2021-12-21 | 2022-03-25 | 吉林大学 | Infusion device for neurosurgical care |
| CN114770597A (en) * | 2022-01-20 | 2022-07-22 | 农春美 | Heat abstractor based on printing robot |
| CN115987021A (en) * | 2023-03-17 | 2023-04-18 | 浙江欣立电器科技有限公司 | Heat dissipation servo motor for small robot |
| CN117439336A (en) * | 2023-12-20 | 2024-01-23 | 深圳市三利达电器科技有限公司 | Capacitive low-noise motor and chef machine |
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| CN112290741B (en) | 2021-06-29 |
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