CN110541929B - Dual-functional hub reduction gear with service braking and parking braking are as an organic whole - Google Patents
Dual-functional hub reduction gear with service braking and parking braking are as an organic whole Download PDFInfo
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- CN110541929B CN110541929B CN201910809544.5A CN201910809544A CN110541929B CN 110541929 B CN110541929 B CN 110541929B CN 201910809544 A CN201910809544 A CN 201910809544A CN 110541929 B CN110541929 B CN 110541929B
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- 230000009467 reduction Effects 0.000 title claims description 9
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 16
- 230000003068 static effect Effects 0.000 claims abstract description 16
- 239000003921 oil Substances 0.000 claims description 47
- 238000009423 ventilation Methods 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 17
- 239000012208 gear oil Substances 0.000 claims description 16
- 238000011010 flushing procedure Methods 0.000 claims description 9
- 238000007599 discharging Methods 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 claims 6
- 230000010354 integration Effects 0.000 claims 5
- 238000009434 installation Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 208000035388 Ring chromosome 22 syndrome Diseases 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 208000035193 Ring chromosome 10 syndrome Diseases 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000003466 welding Methods 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses a dual-functional wheel-side speed reducer with the functions of service braking and parking braking, which structurally comprises a bolt, a piston, a disc spring positioning shaft, a friction plate adjusting washer, a static friction plate, a dynamic friction plate and a brake support.
Description
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a dual-function wheel-side speed reducer with a service brake and a parking brake.
Background
The speed reducer is an independent component consisting of gear transmission, worm transmission and gear-worm transmission which are enclosed in a rigid shell, is commonly used as a speed reduction transmission device between a prime mover and a working machine, plays roles of matching rotating speed and transmitting torque between the prime mover and the working machine or an executing mechanism, is widely applied in modern machinery, and is an executing element only provided with a mechanical brake as mechanical brake.
Disclosure of Invention
0003 The invention overcomes the defects of the prior art, provides the dual-function wheel-side speed reducer with the functions of service braking and parking braking, and solves the problems that the built-in brake friction pair of the speed reducer is small and few, and the defects of insufficient mechanical braking moment, braking delay, braking failure and the like exist in the working process.
(II) in order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is: the invention provides a dual-function wheel-side speed reducer with a service brake and a parking brake integrated, the device comprises a bolt, a cover plate, a first ventilation plug, a first-stage sun gear shaft, a motor support, a first screw, a first floating oil seal, a brake joint, a mounting flange seat, a first O-shaped ring, a first screw plug, a disc spring washer, a disc spring, a piston, a disc spring positioning shaft, a friction plate adjusting washer, a static friction plate, a dynamic friction plate, a brake support, a second floating oil seal, a second-stage planet carrier lower support, a second O-shaped ring, a third O-shaped ring, a dynamic friction support, a gear seat retainer ring, a second-stage inner gear ring, a first-stage inner gear ring, a second-stage planet wheel, a fourth O-shaped ring, a full-complement cylindrical roller bearing, a second-stage planet gear pin shaft, a first-shaft elastic retainer ring, a second-stage planet gear gasket, a second screw, a second-stage sun gear shaft, a baffle, a second-stage elastic retainer ring, a third screw, a second-stage planet gear positioning pin the second-stage planet carrier upper support, the first-stage planet carrier, the double-row full-complement cylindrical roller bearing, the first-stage planet wheel, the elastic retainer ring for the third shaft, the elastic retainer ring for the fourth shaft, the cylindrical pin, the adjusting ring, the tapered roller bearing, the stepped ring for the first shaft, the stepped ring for the second shaft, the fourth screw, the second screw plug, the fifth O-shaped ring, the first bearing washer, the elastic retainer ring for the first hole, the inner hexagonal countersunk screw, the first inner hexagonal set screw, the third screw plug, the second inner hexagonal set screw, the second ventilation plug, the sixth O-shaped ring, the seventh O-shaped ring, the eighth O-shaped ring, the cylindrical roller, the ninth O-shaped ring, the elastic retainer ring for the second hole, the second bearing washer, the gear oil filling opening, the gear oil discharging opening, the brake oil discharging opening, the flushing oil inlet, the brake oil preparing opening, the flushing oil return opening and the brake oil opening, the cover plate is connected with the left end of the mounting flange seat through a bolt in a screwed manner, the mounting flange seat is connected with the right end of the first ventilation plug in a screwed manner, the first-stage sun gear shaft is movably nested in the middle of the inside of the mounting flange seat, the motor support is arranged at the left rear end of the inside of the mounting flange seat through a first screw, the first floating oil seal is arranged at the left rear end of the inside of the mounting flange seat, the brake connector is arranged at the left rear end of the mounting flange seat, the upper end of the brake connector is adhered with a first O-shaped ring through glue, the brake support is locked and fixed with the left side of the rear end of the mounting flange seat through the first screw plug, the disc spring positioning shaft tightly stretches into the inside of the piston, the disc spring positioning shaft penetrates through the middle of the disc spring, the disc spring is adhered with the left end of the disc spring washer, the piston is arranged at the left rear end of the inside of the mounting flange seat, the brake support connects the friction plate adjusting washer, the static friction plate and the dynamic friction plate in series, the second floating oil seal falls into the range of the second planet carrier lower support and the brake support, the right rear end inside the second planet carrier lower support is adhered with a second O-shaped ring, the third O-shaped ring is adhered to the right end of the second planet carrier lower support, the second friction support is fastened at the rear end of the mounting flange seat through a second screw, the second annular gear tightly stretches into the rear side of the right end of the mounting flange seat, the gear seat retainer ring is sleeved at the left front of the second annular gear, the full-complement cylindrical roller bearing is mounted at the rear side of the right end of the mounting flange seat, the second planetary gear pin shaft is movably nested in the middle of the full-complement cylindrical roller bearing, the outer side of the full-complement cylindrical roller bearing is provided with a second planetary gear, the left end of the second planetary gear is provided with a first-stage annular gear, the left end of the pin shaft of the secondary planet wheel is nested with a first shaft elastic retainer ring, the left end of the secondary planet wheel is provided with a secondary planet wheel gasket, the primary sun wheel shaft is rotationally connected with the left end of the secondary sun wheel shaft, the secondary sun wheel shaft is movably nested inside the cylindrical roller, the left end of the secondary sun wheel shaft is provided with a baffle plate, the left end of the secondary sun wheel shaft is nested with a second shaft elastic retainer ring, the upper support of the secondary planet wheel is fixedly connected with the right front end of the mounting flange seat through a third screw, the positioning pin of the secondary planet wheel is movably nested inside the upper support of the secondary planet wheel, the right end of the primary sun wheel shaft is provided with a primary planet carrier which is movably connected with the inner side of the double-row full-complement cylindrical roller bearing, the outer side edge of the double-row full-complement cylindrical roller bearing is provided with a primary planet wheel, the double-row full-installed cylindrical roller bearing penetrates through the middle parts of the elastic retainer ring for the second hole and the second bearing gasket, an eighth O-shaped ring is adhered to the left front end of the first-stage planet carrier, the elastic retainer ring for a third shaft is arranged at the left end of the double-row full-installed cylindrical roller bearing, the cylindrical pin is hinged to the right front end inside the mounting flange seat, the elastic retainer ring for a fourth shaft is arranged at the right end of the cylindrical pin, the adjusting ring is mounted on the right end of the mounting flange seat, the tapered roller bearing is arranged at the front end inside the mounting flange seat, the first shaft is adhered to the front end inside the mounting flange seat through a stepped ring for the first shaft, the stepped ring for the second shaft is provided with the left front end inside the mounting flange seat, a fourth screw is fastened to the left front end of the mounting flange seat, the second screw plug is in threaded connection with the left front end of the mounting flange seat, the fifth O-shaped ring is adhered to the left front end of the mounting flange seat, the first bearing washer is installed in the inside left front end of installation flange seat, the activity of one-level sun shaft left end nestification has the circlip for the first hole, the apron is through interior hexagonal countersunk head screw and first interior hexagonal holding screw and installation flange seat front end locking fixed, third screw plug and apron front end downside threaded connection, installation flange seat front end left side downside is tightly fixed with second interior hexagonal holding screw, the second ventilation plug is fastened in installation flange seat front end upper left side, installation flange seat front end right side limit is provided with the sixth O shape circle, installation flange seat front end lower right side limit bonding has the seventh O shape circle, apron front end upside is provided with the gear oil filler neck, the gear oil drain neck is installed to apron front end downside, the stopper support lower extreme is provided with the stopper oil drain neck, installation flange seat front end lower left side installs the flushing oil inlet, the stopper is equipped with the hydraulic fluid port and is installed in installation flange seat front end left side, left side upper left side flange seat front end upper edge is provided with the gear oil drain neck, the flange seat front side is provided with the rim of returning fluid.
Further, the first ventilation plug comprises a fixed head, ventilation holes and a threaded rod, the mounting flange seat is in threaded connection with the right end of the threaded rod, the threaded rod is arranged at the right end of the fixed head, the fixed head and the threaded rod are of an integrated structure, and the ventilation holes are formed in the edge of the upper end of the fixed head.
Further, the first floating oil seal comprises a floating seal seat, an O-shaped sealing ring and a floating seal ring, wherein the floating seal seat is arranged at the left rear end inside the mounting flange seat, the O-shaped sealing ring tightly stretches into the inner side of the floating seal seat, and the floating seal seat is fixedly connected with the edge of the rear end of the floating seal ring.
Further, the number of the ventilation holes is four, and the ventilation holes are distributed at equal intervals along the left end edge of the fixing head.
Furthermore, two O-shaped sealing rings are arranged in total, and the O-shaped sealing rings are symmetrically distributed along the left end and the right end inside the floating seal seat.
Further, floating seal rings are arranged at the upper ends of the two O-shaped seal rings.
Furthermore, the static friction plate and the dynamic friction plate are provided with nine plates, and the static friction plate and the dynamic friction plate are mutually overlapped and distributed.
Furthermore, the O-shaped sealing ring is made of nitrile rubber, and is high in oil resistance, wear resistance, heat resistance and adhesive force.
Furthermore, the fixed head and the threaded rod are made of 45 # steel, so that the fixed head and the threaded rod are high in hardness and high in corrosion resistance.
Compared with the prior art, the invention has the following beneficial effects: in order to solve the problems that the friction pair of a built-in brake of a speed reducer is small and few, and the defects of insufficient mechanical braking moment, braking delay, braking failure and the like exist in the working process, the built-in brake of the speed reducer is used for braking by adopting a belleville spring, and hydraulic release is carried out, so that the brake has the advantages of large braking moment, stable braking, long service life of the brake and the like.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a cross-sectional structure of a hub reduction gear of the present invention;
FIG. 3 is a schematic diagram of a rear view of a hub reduction gear according to the present invention;
FIG. 4 is a schematic diagram of the front view of the hub reduction gear of the present invention;
FIG. 5 is a schematic view of the internal structure of the hub reduction gear of the present invention;
FIG. 6 is a schematic side view of the hub reduction gear of the present invention;
FIG. 7 is a schematic view of a sixth O-ring mounting location of the present invention;
FIG. 8 is a schematic view of a seventh O-ring mounting location of the present invention;
FIG. 9 is a schematic side view of a first vent plug of the invention;
Fig. 10 is a schematic side view of a first floating oil seal according to the present invention.
In the figure: bolt-1, cover plate-2, first ventilation plug-3, first sun gear shaft-4, motor support-5, first screw-6, first floating oil seal-7, brake joint-8, mounting flange seat-9, first O-ring-10, first screw plug-11, disc spring washer-12, disc spring-13, piston-14, disc spring positioning shaft-15, friction plate adjusting washer-16, static friction plate-17, dynamic friction plate-18, brake support-19, second floating oil seal-20, second planet carrier lower support-21, second O-ring-22, third O-ring-23, dynamic friction support-24, gear seat retainer-25, second inner gear ring-26, first inner gear ring-27, second planet gear-28 the four-axis ball bearing comprises a fourth O-shaped ring-29, a full-complement cylindrical roller bearing-30, a second-stage planetary gear pin-31, a first-axis circlip-32, a second-stage planetary gear gasket-33, a second screw-34, a second-stage sun gear shaft-35, a baffle-36, a second-axis circlip-37, a third screw-38, a second-stage planetary gear positioning pin-39, a second-stage planetary carrier upper support-40, a first-stage planetary carrier-41, a double-row full-complement cylindrical roller bearing-42, a first-stage planetary gear-43, a third-axis circlip-44, a fourth-axis circlip-45, a cylindrical pin-46, an adjusting ring-47, a tapered roller bearing-48, a first-axis stepped ring-49, a second-axis stepped ring-50, fourth screw-51, second screw-52, fifth O-ring-53, first bearing washer-54, circlip-55 for first hole, hexagon socket screw-56, first hexagon set screw-57, third screw-58, second hexagon set screw-59, second air-permeable plug-60, sixth O-ring-61, seventh O-ring-62, eighth O-ring-63, cylindrical roller-64, ninth O-ring-65, circlip-66 for second hole, second bearing washer-67, gear oil filler-68, gear oil drain-69, brake drain-70, flushing oil inlet-71, brake oil preparation-72, flushing oil return-73, brake oil-74, fixing head-301, vent-302, 303, floating seat-701, threaded rod, O-ring-702, floating ring-703.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1,2, 3, 4, 5, 6 and 7, the present invention provides a dual-function wheel-side speed reducer with integrated service brake and parking brake: the hydraulic brake device comprises a bolt 1, a cover plate 2, a first ventilation plug 3, a first-stage sun gear shaft 4, a motor support 5, a first screw 6, a first floating oil seal 7, a brake joint 8, a mounting flange seat 9, a first O-shaped ring 10, a first screw plug 11, a disc spring washer 12, a disc spring 13, a piston 14, a disc spring positioning shaft 15, a friction plate adjusting washer 16, a static friction plate 17, a dynamic friction plate 18, a brake support 19, a second floating oil seal 20, a second-stage planet carrier lower support 21, a second O-shaped ring 22, a third O-shaped ring 23, a dynamic friction support 24, a gear seat retainer 25, a second-stage annular gear 26, a first-stage annular gear 27, a second-stage planet wheel 28, a fourth O-shaped ring 29, a full-pack cylindrical roller bearing 30, a second-stage planet wheel pin 31, a first-shaft elastic retainer 32, a second-stage planet wheel gasket 33, a second screw 34, a second-stage sun gear shaft 35, a partition 36, a second-stage elastic retainer 37, a second-stage planet wheel 37, a third-stage ring third screw 38, second-stage planetary gear positioning pin 39, second-stage carrier upper carrier 40, first-stage carrier 41, double-row full-complement cylindrical roller bearing 42, first-stage planetary gear 43, circlip 44 for third shaft, circlip 45 for fourth shaft, cylindrical pin 46, adjustment ring 47, tapered roller bearing 48, stepped ring 49 for first shaft, stepped ring 50 for second shaft, fourth screw 51, second screw plug 52, fifth O-ring 53, first bearing washer 54, circlip 55 for first hole, hexagon socket screw 56, first hexagon set screw 57, third screw plug 58, second hexagon set screw 59, second air-permeable plug 60, sixth O-ring 61, seventh O-ring 62, eighth O-ring 63, cylindrical roller 64, ninth O-ring 65, circlip 66 for second hole, second bearing washer 67, gear oil filler 68, third-stage ball bearing ring, gear oil drain port 69, brake oil drain port 70, flushing oil inlet 71, brake oil backup port 72, flushing oil return port 73 and brake oil port 74, apron 2 passes through bolt 1 screwed connection in mounting flange seat 9 left end, mounting flange seat 9 and first ventilation plug 3 right-hand member threaded connection, one-level sun gear shaft 4 activity nestification is in the middle of the inside of mounting flange seat 9, motor support 5 passes through first screw 6 and mounting flange seat 9 left rear end, first floating oil blanket 7 installs in the inside left rear end of mounting flange seat 9, brake joint 8 sets up in mounting flange seat 9 left rear end, brake joint 8 upper end has first O shape circle 10 through glue bonding, brake support 19 passes through first plug screw 11 and mounting flange seat 9 rear end left side locking fixed, disc spring locating shaft 15 closely stretches into inside piston 14, disc spring locating shaft 15 runs through disc spring 13 middle part, the disc spring 13 is adhered to the left end of the disc spring washer 12, the piston 14 is mounted at the left rear end of the inside of the mounting flange seat 9, the brake support 19 connects the friction plate adjusting washer 16, the static friction plate 17 and the dynamic friction plate 18 in series, the secondary planet carrier lower support 21 is fixed at the right end of the dynamic friction support 24, the second floating oil seal 20 falls into the range of the secondary planet carrier lower support 21 and the brake support 19, the second O-shaped ring 22 is adhered to the right rear end of the inside of the secondary planet carrier lower support 21, the third O-shaped ring 23 is adhered to the right end of the secondary planet carrier lower support 21, the dynamic friction support 24 is fastened at the rear end of the mounting flange seat 9 through the second screw 34, the secondary annular gear 26 is tightly stretched into the rear side of the right end of the mounting flange seat 9, the gear seat retainer ring 25 is sleeved at the left front of the secondary annular gear 26, the full-complement cylindrical roller bearing 30 is mounted at the rear side of the right end of the mounting flange seat 9, the second planet wheel pin shaft 31 is movably nested in the middle of the full-complement cylindrical roller bearing 30, the second planet wheel 28 is arranged on the outer side of the full-complement cylindrical roller bearing 30, the left end of the second planet wheel 28 is provided with a first inner gear ring 27, the left end of the second planet wheel pin shaft 31 is nested with a first shaft circlip 32, the left end of the second planet wheel 28 is provided with a second planet wheel gasket 33, the first sun wheel shaft 4 is rotationally connected with the left end of the second sun wheel shaft 35, the second sun wheel shaft 35 is movably nested in the inner side of a cylindrical roller 64, the left end of the second sun wheel shaft 35 is provided with a baffle plate 36, the left end of the second sun wheel shaft 35 is nested with a second shaft circlip 37, the second planet wheel shaft upper support 40 is fixedly locked and connected with the right front end of the mounting flange seat 9 through a third screw 38, the second planet wheel positioning pin 39 is movably nested in the inner side of the second planet carrier upper support 40, the right end of the first sun wheel shaft 4 is provided with a first planet carrier 41, the first-stage planet carrier 41 is movably connected with the inner side of the double-row full-complement cylindrical roller bearing 42, the outer side edge of the double-row full-complement cylindrical roller bearing 42 is provided with a first-stage planet wheel 43, the double-row full-complement cylindrical roller bearing 42 penetrates through the middle parts of the second hole elastic retainer ring 66 and the second bearing gasket 67, the left front end of the first-stage planet carrier 41 is adhered with an eighth O-shaped ring 63, the left end of the double-row full-complement cylindrical roller bearing 42 is provided with a third shaft elastic retainer ring 44, a cylindrical pin 46 is hinged with the right front end in the mounting flange seat 9 through a pin shaft, the right end of the cylindrical pin 46 is provided with a fourth shaft elastic retainer ring 45, an adjusting ring 47 is mounted on the right end of the mounting flange seat 9, a tapered roller bearing 48 is arranged at the front end in the mounting flange seat 9, a first shaft stepped ring 49 is adhered to the front end in the mounting flange seat 9, a second shaft stepped ring 50 is provided with the left front end in the mounting flange seat 9, the fourth screw 51 is fastened at the left front end of the mounting flange seat 9, the second screw plug 52 is in threaded connection with the left front end of the mounting flange seat 9, the fifth O-shaped ring 53 is adhered to the left front end of the mounting flange seat 9, the first bearing gasket 54 is mounted at the left front end of the inside of the mounting flange seat 9, the first hole elastic retainer ring 55 is movably nested at the left end of the first-stage sun gear shaft 4, the cover plate 2 is fastened with the front end lock of the mounting flange seat 9 through the inner hexagon countersunk head screw 56 and the first hexagon set screw 57, the third screw plug 58 is in threaded connection with the lower side of the front end of the cover plate 2, the second hexagon set screw 59 is fastened at the left lower side of the front end of the mounting flange seat 9, the second vent plug 60 is fastened at the left upper side of the front end of the mounting flange seat 9, the right side edge of the front end of the mounting flange seat 9 is provided with the sixth O-shaped ring 61, the upper side of the front end of the mounting flange seat 9 is adhered with the seventh O-shaped ring 62, the upper side of the front end of the cover plate 2 is provided with the gear oil port 68, the lower side of the front end of the cover plate 2 is provided with the gear oil port 69, the lower side of the brake 19 is provided with the brake port 70, the upper side of the brake port is provided with the brake port 70 is provided with the brake port 72, the brake port is provided with the brake port 72, and the front port is provided with the brake port is provided with the front port 72.
The first ventilation plug 3 comprises a fixing head 301, ventilation holes 302 and a threaded rod 303, the mounting flange seat 9 is in threaded connection with the right end of the threaded rod 303, the threaded rod 303 is arranged at the right end of the fixing head 301, the fixing head 301 and the threaded rod 303 are of an integrated structure, and the ventilation holes 302 are formed in the edge of the upper end of the fixing head 301.
The first floating oil seal 7 includes a floating seal seat 701, an O-ring 702 and a floating seal ring 703, where the floating seal seat 701 is mounted at the left rear end of the inside of the mounting flange seat 9, the O-ring 702 tightly extends into the inner side of the floating seal seat 701, and the floating seal seat 701 is fixedly connected with the edge of the rear end of the floating seal ring 703.
The number of the ventilation holes 302 is four, and the ventilation holes 302 are equidistantly distributed along the left end edge of the fixing head 301, so that ventilation is facilitated.
Wherein, two O-ring seals 702 are provided, and the O-ring seals 702 are symmetrically distributed along the left and right ends of the inside of the floating seal seat 701, which is beneficial to increasing the tightness of the first floating oil seal 7.
Wherein, two O shape sealing washer 702 upper ends all are provided with the floating seal ring 703, do benefit to and play the effect to O shape sealing washer 702 sealed.
The static friction plates 17 and the dynamic friction plates 18 are provided with nine plates, and the static friction plates 17 and the dynamic friction plates 18 are mutually overlapped and distributed, however, the number of the static friction plates 17 and the dynamic friction plates 18 can be more, and the static friction plates 17 and the dynamic friction plates 18 can be mutually overlapped and distributed, which is not limited herein.
The O-ring 702 is made of nitrile rubber, and has high oil resistance, wear resistance, heat resistance and adhesion.
Wherein, the fixed head 301 and the threaded rod 303 are made of 45 # steel materials, have high hardness and have strong corrosion resistance.
Working principle: before use, each part is firstly installed, burrs should be removed, sharp edges should be dulled, the parts should be cleaned, and meanwhile, a proper amount of lithium-based lubricating grease should be coated at the oil seal and the bearing; when the motor is used, the motor drives the first-stage sun wheel shaft 4 and the second-stage sun wheel shaft 35 in the mounting flange seat 9 to rotate, the first-stage sun wheel shaft 4 drives the first-stage planet wheel 43 to rotate on the inner side of the first-stage planet carrier 41, the second-stage sun wheel shaft 35 drives the second-stage planet wheel 28 to rotate on the inner side of the second-stage planet carrier upper support 40 and the second-stage planet carrier lower support 21 through the second-stage planet wheel pin shaft 31, the second-stage planet wheel 28 drives the second-stage inner gear ring 26 to rotate, and the first-stage planet wheel 43 drives the first-stage inner gear ring 27 to rotate, so that the motor is decelerated; when braking is to be performed, oil is injected into the inner side of the brake joint 8, so that the piston 14 is pushed to the right end, the disc spring washer 12 is pressed against the disc spring 13, the disc spring 13 is pressed against the friction plate adjusting washer 16, the static friction plate 17 and the dynamic friction plate 18 in the friction plate adjusting washer 16 are pressed against the dynamic friction support 24, the dynamic friction support 24 brakes the secondary annular gear 26 and the primary annular gear 27, and the torque at the upper end of the motor is reduced; the first air-permeable plug 3 can discharge air in the wheel-side speed reducer, the first floating oil seal 7 deforms by the O-shaped sealing ring 702 after being axially compressed through the two floating rings, a pressing force on the sealing end face of the floating sealing ring 703 is generated, and along with uniform abrasion of the sealing end face, elastic energy stored by the O-shaped sealing ring 702 is gradually released, so that an axial compensation effect is achieved, and the sealing face can keep good fit.
The basic principle and main characteristics of the invention and the advantages of the invention are shown and described above, standard parts used by the invention can be purchased from market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of the parts adopt conventional means such as mature bolt rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the description is omitted.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The dual-function hub reduction gear with the integrated service braking and parking braking functions is characterized by comprising a bolt (1), a cover plate (2), a first ventilation plug (3), a first-stage sun gear shaft (4), a motor support (5), a first screw (6), a first floating oil seal (7), a brake joint (8), a mounting flange seat (9), a first O-shaped ring (10), a first screw plug (11), a disc spring gasket (12), a disc spring (13), a piston (14), a disc spring positioning shaft (15), a friction plate adjusting gasket (16), a static friction plate (17), a movable friction plate (18), a brake support (19), a second floating oil seal (20), a second-stage planet carrier lower support (21), a second O-shaped ring (22), a third O-shaped ring (23), a movable friction support (24), a gear seat retainer ring (25), a second-stage ring (26), a first-stage inner gear ring (27), a second-stage planet wheel (28), a fourth O-shaped ring (29), a full-complement cylindrical roller bearing (30), a second-stage planet pin (31), a first-stage elastic retainer ring (32), a second-stage planet wheel (34), a second-stage retainer ring (35) and a second-stage elastic retainer (37) for the sun gear shaft A third screw (38), a second-stage planet wheel positioning pin (39), a second-stage planet carrier upper support (40), a first-stage planet carrier (41), a double-row full-complement cylindrical roller bearing (42), a first-stage planet wheel (43), a third-stage elastic retainer ring (44), a fourth-stage elastic retainer ring (45), a cylindrical pin (46), an adjusting ring (47), a tapered roller bearing (48), a first-stage stepped ring (49), a second-stage stepped ring (50), a fourth screw (51), a second screw plug (52), a fifth O-stage stepped ring (53), a first bearing washer (54), a first-stage elastic retainer ring (55), a hexagon socket screw (56), a first hexagon set screw (57), a third screw plug (58), a second hexagon set screw (59), a second air permeable plug (60), a sixth O-stage stepped ring (61), a seventh O-stage stepped ring (62), an eighth O-stage stepped ring (63), a cylindrical roller (64), a ninth O-stage stepped ring (65), a second-stage elastic retainer ring (66), a second-stage elastic retainer ring (67), a second-stage oil filler (67), a gear oil filler (68), a gear oil drain port (70), a gear oil drain port (73), an oil return port (72), a brake oil drain port (71), the cover plate (2) is spirally connected to the left end of the mounting flange seat (9) through a bolt (1), the mounting flange seat (9) is in threaded connection with the right end of the first air permeable plug (3), the primary sun gear shaft (4) is movably nested in the middle of the inside of the mounting flange seat (9), the motor support (5) is arranged at the left rear end of the mounting flange seat (9) through a first screw (6), the first floating oil seal (7) is arranged at the left rear end of the inside of the mounting flange seat (9), the brake joint (8) is arranged at the left rear end of the mounting flange seat (9), the upper end of the brake joint (8) is adhered with a first O-shaped ring (10) through glue, the brake support (19) is fixedly locked at the left side of the rear end of the mounting flange seat (9) through a first screw plug (11), the disc spring positioning shaft (15) is tightly stretched into the piston (14), the disc spring positioning shaft (15) penetrates through the middle of the disc spring (13), the disc spring (13) is adhered with the left disc spring (12) at the left rear end of the left disc spring (12) to the left rear end of the mounting flange seat (14), the friction disc (16) is connected with the friction disc (16) in series with the friction disc (18) at the left friction disc (16) and the friction disc (16) at the inner end of the friction disc (16), the second floating oil seal (20) falls into the range of the second planet carrier lower support (21) and the brake support (19), a second O-shaped ring (22) is adhered to the right rear end inside the second planet carrier lower support (21), a third O-shaped ring (23) is adhered to the right end of the second planet carrier lower support (21), the movable friction support (24) is fastened to the rear end of the mounting flange seat (9) through a second screw (34), the second inner gear ring (26) tightly stretches into the rear side of the right end of the mounting flange seat (9), a gear seat retainer ring (25) is sleeved at the left front of the second inner gear ring (26), a full-load cylindrical roller bearing (30) is mounted at the rear side of the right end of the mounting flange seat (9), a second planet pin shaft (31) is movably nested in the middle of the full-load cylindrical roller bearing (30), a second planet wheel (28) is arranged on the outer side of the second planet roller bearing (30), a second planet wheel (28) is arranged at the left end of the first planet shaft (28), a second planet wheel (28) is connected with a first planet shaft (32) by a first-stage planet pin shaft (33), the secondary sun gear shaft (35) is movably nested inside the cylindrical roller (64), the left end of the secondary sun gear shaft (35) is provided with a baffle plate (36), the left end of the secondary sun gear shaft (35) is nested with a second shaft elastic retainer ring (37), the upper support (40) of the secondary planet carrier is fixedly connected with the right front end of the mounting flange seat (9) through a third screw (38), the positioning pin (39) of the secondary planet gear is movably nested inside the upper support (40) of the secondary planet carrier, the right end of the primary sun gear shaft (4) is provided with a primary planet carrier (41), the primary planet carrier (41) is movably connected with the inner side of a double-row full-installed cylindrical roller bearing (42), the outer side edge of the double-row full-installed cylindrical roller bearing (42) is provided with a primary planet wheel (43), the primary planet roller bearing (42) penetrates through the middle of the second hole elastic retainer ring (66) and the second shaft gasket (67), the left front end of the primary planet carrier (41) is fixedly connected with an eighth O-shaped ring (63), the primary planet carrier (42) is provided with a cylindrical pin (46) and the right end of the cylindrical roller bearing (46) is hinged with the right end of the mounting flange seat (9), the tapered roller bearing (48) is arranged at the front end inside the mounting flange seat (9), the first shaft is adhered to the front end inside the mounting flange seat (9) by a step ring (49), the second shaft is provided with the front end on the left inside the mounting flange seat (9) by a step ring (50), the fourth screw (51) is fastened at the front end on the left side of the mounting flange seat (9), the second screw plug (52) is in threaded connection with the front end on the left side of the mounting flange seat (9), the fifth O-shaped ring (53) is adhered to the front end on the left side of the mounting flange seat (9), the first bearing gasket (54) is arranged at the front end on the left inside of the mounting flange seat (9), the first hole elastic retainer ring (55) is movably nested at the left end of the first sun shaft (4), the cover plate (2) is fixedly locked with the front end of the mounting flange seat (9) by an inner hexagonal countersunk screw (56) and a first inner hexagonal set screw (57), the third screw plug (58) is connected with the front end on the lower side of the cover plate (2) by threads, the second screw plug (62) is fastened at the front end on the right side of the front side of the mounting flange seat (9), the second screw plug (9) is screwed on the front end on the side of the air inlet (9), the novel hydraulic brake is characterized in that a gear oil filling port (68) is formed in the upper side of the front end of the cover plate (2), a gear oil discharging port (69) is formed in the lower side of the front end of the cover plate (2), a brake oil discharging port (70) is formed in the lower end of the brake support (19), a flushing oil inlet (71) is formed in the left lower side of the front end of the mounting flange seat (9), a brake oil preparing port (72) is formed in the left side of the front end of the mounting flange seat (9), a flushing oil return port (73) is formed in the left upper side edge of the front end of the mounting flange seat (9), and a brake oil port (74) is formed in the upper side edge of the front end of the mounting flange seat (9).
2. A dual function wheel-side speed reducer with service and parking brake integration according to claim 1, wherein: the first ventilation plug (3) comprises a fixing head (301), ventilation holes (302) and a threaded rod (303), the mounting flange seat (9) is in threaded connection with the right end of the threaded rod (303), the threaded rod (303) is arranged at the right end of the fixing head (301), the fixing head (301) and the threaded rod (303) are of an integrated structure, and the ventilation holes (302) are formed in the edge of the upper end of the fixing head (301).
3. A dual function wheel-side speed reducer with service and parking brake integration according to claim 1, wherein: the first floating oil seal (7) comprises a floating seal seat (701), an O-shaped sealing ring (702) and a floating seal ring (703), wherein the floating seal seat (701) is arranged at the left rear end inside the mounting flange seat (9), the O-shaped sealing ring (702) tightly stretches into the inner side of the floating seal seat (701), and the floating seal seat (701) is fixedly connected with the edge of the rear end of the floating seal ring (703).
4. A dual function wheel-side speed reducer with service and parking brake integration according to claim 2, characterized in that: the number of the ventilation holes (302) is four, and the ventilation holes (302) are distributed at equal intervals along the left end edge of the fixing head (301).
5. A dual function wheel-side speed reducer with service and parking brake integration as claimed in claim 3, wherein: the O-shaped sealing rings (702) are arranged in two, and the O-shaped sealing rings (702) are symmetrically distributed along the left end and the right end inside the floating seal seat (701).
6. A dual function wheel-side speed reducer with service and parking brake as defined in claim 5, wherein: and floating seal rings (703) are arranged at the upper ends of the two O-shaped seal rings (702).
7. A dual function wheel-side speed reducer with service and parking brake integration according to claim 1, wherein: nine static friction plates (17) and nine dynamic friction plates (18) are arranged, and the static friction plates (17) and the dynamic friction plates (18) are mutually overlapped and distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910809544.5A CN110541929B (en) | 2019-08-29 | 2019-08-29 | Dual-functional hub reduction gear with service braking and parking braking are as an organic whole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910809544.5A CN110541929B (en) | 2019-08-29 | 2019-08-29 | Dual-functional hub reduction gear with service braking and parking braking are as an organic whole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110541929A CN110541929A (en) | 2019-12-06 |
| CN110541929B true CN110541929B (en) | 2024-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910809544.5A Active CN110541929B (en) | 2019-08-29 | 2019-08-29 | Dual-functional hub reduction gear with service braking and parking braking are as an organic whole |
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| CN (1) | CN110541929B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201494313U (en) * | 2009-09-19 | 2010-06-02 | 煤炭科学研究总院太原研究院 | Wheel reductor for band brake of shield hauler |
| CN101956788A (en) * | 2010-09-09 | 2011-01-26 | 江苏泰隆减速机股份有限公司 | Traveling speed reducer with built-in parking brake |
| CN103032560A (en) * | 2012-12-10 | 2013-04-10 | 意宁液压股份有限公司 | Novel double-braking rim driving device |
| JP2014114953A (en) * | 2012-11-16 | 2014-06-26 | Sumitomo Heavy Ind Ltd | Simple planetary reduction gear |
| JP2016223608A (en) * | 2015-06-03 | 2016-12-28 | 日立建機株式会社 | Speed reducer |
| CN109340320A (en) * | 2018-10-25 | 2019-02-15 | 泸州邦立减速机有限责任公司 | A kind of wheel side speed reducer |
| CN211371225U (en) * | 2019-08-29 | 2020-08-28 | 上海布拓传动***设备有限公司 | Dual-function wheel-side speed reducer integrating service braking and parking braking |
-
2019
- 2019-08-29 CN CN201910809544.5A patent/CN110541929B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201494313U (en) * | 2009-09-19 | 2010-06-02 | 煤炭科学研究总院太原研究院 | Wheel reductor for band brake of shield hauler |
| CN101956788A (en) * | 2010-09-09 | 2011-01-26 | 江苏泰隆减速机股份有限公司 | Traveling speed reducer with built-in parking brake |
| JP2014114953A (en) * | 2012-11-16 | 2014-06-26 | Sumitomo Heavy Ind Ltd | Simple planetary reduction gear |
| CN103032560A (en) * | 2012-12-10 | 2013-04-10 | 意宁液压股份有限公司 | Novel double-braking rim driving device |
| JP2016223608A (en) * | 2015-06-03 | 2016-12-28 | 日立建機株式会社 | Speed reducer |
| CN109340320A (en) * | 2018-10-25 | 2019-02-15 | 泸州邦立减速机有限责任公司 | A kind of wheel side speed reducer |
| CN211371225U (en) * | 2019-08-29 | 2020-08-28 | 上海布拓传动***设备有限公司 | Dual-function wheel-side speed reducer integrating service braking and parking braking |
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| Publication number | Publication date |
|---|---|
| CN110541929A (en) | 2019-12-06 |
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