CN103032560A - Novel double-braking rim driving device - Google Patents
Novel double-braking rim driving device Download PDFInfo
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- CN103032560A CN103032560A CN2012105262302A CN201210526230A CN103032560A CN 103032560 A CN103032560 A CN 103032560A CN 2012105262302 A CN2012105262302 A CN 2012105262302A CN 201210526230 A CN201210526230 A CN 201210526230A CN 103032560 A CN103032560 A CN 103032560A
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Abstract
The invention discloses a novel double-braking rim driving device, and relates to a double-braking device for tire parking braking and driving braking. The novel double-braking rim driving device comprises a supporting base, a hydraulic motor, a planetary gear speed reducer, a parking brake, a driving brake and the like, wherein a plurality of groups of movable friction sheets of the driving brake are respectively embedded into splines arranged outside an inner gear shell of the planetary gear speed reducer; a plurality of groups of steel sheets are simultaneously connected onto a connecting rod in series; and a rubber ring is arranged between each steel sheet and each movable friction sheet, which are adjacent. The braking on the inner gear shell is directly carried out so that the braking is more reliable and safer; elastic auxiliary steel sheets of the rubber rings and the movable friction sheets are completely separated, so that movement failure is prevented from happening; the driving brake is additionally provided with a cooling circulating system, so that heat generated by the driving braking can be eliminated, parts are prevented from being damaged at a high temperature, and the service life is prolonged; and the improved rim driving device also has the advantages of compact structure, high working efficiency, large transmission torque and the like.
Description
Technical field
The present invention relates to a kind of wheel limit drive unit of taking turns the two brakings of limit drive unit, especially Novel belt.
Background technique
At present, traditional wheel limit drive unit generally is to be made of supporting base, supporting sleeve, oil hydraulic motor, multi-stage planetary gear speed reducer, internal gear housing, Parking Brake etc., Parking Brake can only just can work after tire stops, and be in when normally travelling when tire, because the speed of travel of wheel type drive device is very fast, therefore must be on tire in addition again single raise shoe type Service Brake or dish formula Service Brake realize running braking function, this Service Brake normally directly is installed on the multi-stage planetary gear speed reducer vertically.So, originally more seem awkward on the limited tire of installing space, this not only reduced drive unit working efficiency, affect transmitting torque, and affect operational safety.
Disclosed China Patent No. is that 201110436587.7 " Multifunctional mining construction mechanical wheel walking driving device " is a kind of wheel limit drive unit that possesses simultaneously parking braking function and running braking function, its Service Brake mainly is by piston, shell, organizes steel disc more and organize movable friction plate etc. more and consist of, and be directly installed on outside supporting sleeve and the internal gear housing, supporting sleeve is connected and fixed by screw and internal gear housing again, therefore total shortens at axial dimension, has solved the little problem of above-mentioned tire installing space.Yet, many groups steel disc of this Service Brake and many group movable friction plates mainly are mounted in outside the supporting sleeve, especially many group movable friction plates are installed in the outer set spline of supporting sleeve, compress by piston how the group steel discs are with how the group movable friction plates are with the tight supporting sleeve of stopping during work, and then reach the tight internal gear housing of stopping to form the purpose of braking, in this braking process, because the internal gear housing is the driving link that rotates as driving supporting sleeve, tight supporting sleeve can cause the moment of torsion that is connected between supporting sleeve and the internal gear housing to increase therefore directly stop, and can't reach preferably braking effect.
Simultaneously, in the disclosed technological scheme of above-mentioned patent, many group steel discs and many group movable friction plates are directly to carry out alternately, and on this Service Brake, do not possess corresponding cooling unit yet, therefore in braking process, because can there be sticking phenomenon in the hydraulic oil between steel disc and movable friction plate sometimes, and under the impact of the factors such as friction high temperature deformation between steel disc and the movable friction plate, when Service Brake during at brake off, often there is the phenomenon that to throw off fully between adjacent steel disc and the movable friction plate, cause the braking failure of Service Brake, and brought potential safety hazard.And Service Brake does not possess cooling unit, and its amount of heat that produces when service brake also can cause damage to each component.
Summary of the invention
Technical problem to be solved by this invention is to overcome the defective of prior art and a kind of compact structure is provided, and service brake is reliable, safety, the wheel limit drive unit of the two brakings of the Novel belt of long service life.
Technical problem of the present invention is achieved through the following technical solutions:
The wheel limit drive unit of the two brakings of a kind of Novel belt comprises the supporting base that is installed on the vehicle frame, in this supporting base oil hydraulic motor is installed, and supporting base one end is provided with plane table thermoconductivity meter; Described plane table thermoconductivity meter comprises coupling shaft, primary centre wheel, secondary planet reducing gear, internal gear housing and cover plate; Described coupling shaft moves as axial reciprocating, is provided with the spline connecting sleeve that work is in transmission connection between the output shaft of this coupling shaft input end and oil hydraulic motor, and coupling shaft is provided with the primary centre wheel that is in transmission connection; Described secondary planet reducing gear is meshed with the ring gear of primary centre wheel, internal gear housing respectively, on this internal gear housing wheel hub is installed; Described cover plate is connected on the internal gear housing, and coupling shaft, primary centre wheel and secondary planet reducing gear are enclosed in the internal gear housing; Described supporting base is provided with the supporting sleeve of stuffing box gland dress outward, and this supporting sleeve is connected with the internal gear housing, is provided with the bearing of the supporting that rotates between supporting sleeve and the supporting base; Be provided with Parking Brake between described supporting base and the spline connecting sleeve; Described supporting sleeve and internal gear housing are provided with Service Brake outward, this Service Brake comprises piston, shell, organizes steel disc more and organizes movable friction plate more, this shell is connected on the supporting base by support plate, form the brake chamber between described shell, piston and the internal gear housing, be provided with vertically alternately many groups steel disc and many group movable friction plates in this brake chamber, many group steel discs are gone here and there simultaneously and are contained on the connecting rod of installing vertically in the brake chamber, organize movable friction plate more and are inlaid in respectively in the outer set spline of internal gear housing; Be equipped with rubber ring between described every adjacent steel disc and the movable friction plate; Also be provided with cooling recirculation system on the described Service Brake, this cooling recirculation system comprises cold oil import and the setting hot oil outlet in the enclosure that is arranged in the support plate, also comprises the grease chamber that is arranged between piston, support plate, supporting base and the supporting sleeve; Described cold oil import is communicated with the grease chamber through piston with logical oil-gap between the support plate; Described grease chamber is communicated with the brake chamber through piston with logical oil-gap between the supporting sleeve, this brake chamber is connected with hot oil outlet; Be respectively equipped with the oil through that a plurality of correspondences communicate on described supporting sleeve and the internal gear housing, this oil through is connected with grease chamber, brake chamber respectively.
Being respectively equipped with the oil through that correspondence communicates on described supporting sleeve and the internal gear housing is 8 ~ 12, and the oil through on this supporting sleeve is communicated with the grease chamber, and the oil through on this internal gear housing is communicated with the brake chamber by a plurality of apertures.
Described coupling shaft output terminal is provided with Manual release device, this Manual release device comprises the disengagement axle that moves as axial reciprocating, this disengagement axle one end is connected on the coupling shaft output terminal, the other end stretches out cover plate and exposes, between disengagement axle and cover plate, be provided with seal ring, throw off outer shaft sleeve Returnning spring is housed, this Returnning spring two ends difference pushing tow is on the outer shoulder and cover plate of throwing off axle.
The piston sleeve dress of described Service Brake is arranged on outside the supporting sleeve, and moves as axial reciprocating, is provided with the spring groove of a plurality of outward openings in this piston, and goring push spring all is set in each spring groove; Described body seal suit is arranged on outside piston and the internal gear housing, forms oil pocket between this shell and the piston, also is provided with in the shell to be communicated with respectively oil pocket and extraneous oil transportation channel; Goring push spring exposed junction in this support plate and the described spring groove contacts.
Described Parking Brake comprises fixed cover, wet type brake block group and the piston sleeve that is sleeved on outside the spline connecting sleeve; Described fixedly interplanting axially locating is installed, and is provided with the bearing of the supporting that rotates between this fixed cover and the spline connecting sleeve; Described wet type brake block group is installed between fixed cover and the piston sleeve; Do sealing between described piston sleeve and the supporting base and install, also be formed with oil pocket between the two, and in supporting base, be provided with the oil transportation channel that is communicated with respectively oil pocket and the external world; Be provided with the spring groove of outward opening in the described piston sleeve, and in described spring groove, goring push spring be set; Described piston sleeve one side is provided with the fixed plate that axially locating is installed, and the interior goring push spring exposed junction of this fixed plate and spring groove contacts.
Be provided with the heavily loaded floating seal ring that consists of the stuffing box gland assembling structure between described supporting base and the supporting sleeve.
Be provided with the heavily loaded floating seal ring that consists of the stuffing box gland assembling structure between described shell and the internal gear housing.
Compared with prior art, the present invention is designed with spline outside the internal gear housing of plane table thermoconductivity meter, then the many groups movable friction plate with Service Brake is inlaid in respectively in this spline, organize more steel disc then simultaneously string be contained in vertically on the connecting rod of installing, and be equipped with rubber ring between every adjacent steel disc and the movable friction plate, realizing the axial reciprocating of piston when the elastic force of the oil-filled or goring push spring that utilizes oil pocket moves, just can be so that organize steel disc and many group movable friction plates more and be squeezed or loosen, thereby reach service brake or the walking purpose of tire, owing to being that internal gear housing is directly braked, therefore brake more reliable, and by the fully disengagement between the auxiliary steel disc of the elastic force of rubber ring and the movable friction plate, can also avoid causing action to lose efficacy, also have additional cooling recirculation system on this Service Brake, the amount of heat that produces when can be used for eliminating service brake, avoid component under hot operation, to damage, increase the service life, the whole axial dimension of wheel limit drive unit after the improvement is shorter, structure is compacter, therefore working efficiency is higher, transmitting torque increases, and is particularly suitable for using in the limited tire of installing space drives.
Description of drawings
Fig. 1 is sectional structure schematic diagram of the present invention.
Fig. 2 is the braking state sectional structure enlarged view (oil through is not analysed and observe) of Service Brake.
Fig. 3 is the not braking state sectional structure enlarged view (oil through is analysed and observe) of Service Brake.
Fig. 4 is the sectional structure enlarged view of Parking Brake.
Fig. 5 is the sectional structure enlarged view of Manual release device.
Embodiment
The below will elaborate to the embodiment of the invention by above-mentioned accompanying drawing again.
Such as Fig. 1 ~ shown in Figure 5,1. oil hydraulic motor, 2. supporting base, 3. heavily loaded floating seal ring, 4. support plate, 5. Service Brake, 51. piston, 52. shell, 53. connecting rod, 54. mounting plate, 55. steel disc, 56. movable friction plate, 57. rubber ring, 58. internal gear housing, 6. cooling recirculation system, 61. cold oil import, 62. logical oil-gap, 63. grease chamber, 64. hot oil outlet, 65. oil through, 7. cover plate, 8. Manual release device, 81. disengagement axle, 82. Returnning spring, 83. capping, 9. Parking Brake, 91. collar, 92. fixed plate, 93. piston sleeve, 94. wet type brake block group, 95. fixed cover, 96. bearing, 10. oil pocket, 11. secondary planet reducing gear, 12. primary centre wheel, 13. coupling shaft, 14. spline connecting sleeve, 15. oil transportation channel, 16. supporting sleeve, 17. goring push spring.
The wheel limit drive unit of the two brakings of Novel belt, as shown in Figure 1, it relates to a kind of two braking device for tire parking braking and service brake, and its structure mainly is to be made of supporting base 2, oil hydraulic motor 1, plane table thermoconductivity meter, Parking Brake 9 and Service Brake 5 etc.
Described supporting base 2 is installed on the vehicle frame (not shown) by screw, it is the tapered sleeve structure of a hollow, take Fig. 1, left end shown in Figure 4 as large opening end, right-hand member as little opening end, and from the supporting base 2 left ends oil hydraulic motor 1 of packing into, this oil hydraulic motor adopts the variable high-speed oil hydraulic motor, and it can switch the velocity variations of realization tire on different road surfaces by high low speed; Supporting base 2 right-hand members arrange plane table thermoconductivity meter, this plane table thermoconductivity meter mainly comprises horizontally disposed coupling shaft 13, primary centre wheel 12, secondary planet reducing gear 11, internal gear housing 58 and cover plate 7, wherein, coupling shaft 13 can move as axial reciprocating, be provided with the spline connecting sleeve 14 that work is in transmission connection between the output shaft of this coupling shaft input end and oil hydraulic motor 1, do to rotate synchronously therefore output shaft rotation can drive coupling shaft 13; Coupling shaft 13 is provided with the primary centre wheel 12 that key connects, and secondary planet reducing gear 11 is meshed with the ring gear of primary centre wheel 12, internal gear housing 58 respectively, and this internal gear housing has been connected by screw the wheel hub (not shown); Coupling shaft 13 output terminals are provided with Manual release device 8; Described cover plate 7 is connected by screw the right-hand member at internal gear housing 58, and coupling shaft 13, primary centre wheel 12 and secondary planet reducing gear 11 are enclosed in the internal gear housing 58 to protect.
The power transmission process of this plane table thermoconductivity meter is: oil hydraulic motor 1 starts and passes through output shaft, spline connecting sleeve 14 drives coupling shafts 13 and rotates synchronously, and then power is passed on the internal gear housing 58 after slowing down through primary centre wheel 12, secondary planet reducing gear 11 successively, and drive internal gear housing and the wheel hub rotation that is installed on the internal gear housing, thereby realize the motion of tire.
Described Manual release device 8 as shown in Figure 5, comprise the disengagement axle 81 that a level is installed, this disengagement axle left end is connected to coupling shaft 13 output terminals, therefore can move as axial reciprocating by throwing off axle drive coupling shaft, disengagement axle 81 right-hand members stretch out cover plate 7 and expose, can be used for operating, also be provided with screw connection capping 83 on the cover board and throw off axle with protection; Between disengagement axle 81 and cover plate 7, be provided with seal ring to throw off the motion sealing of axle, throw off axle and be provided with outer shoulder outward, also be set with Returnning spring 82, this Returnning spring two ends difference pushing tow is on the outer shoulder and cover plate 7 of throwing off axle 81, compression that can be by Returnning spring 82 during work and elastic reset are thrown off the axial reciprocating that axle 81 drives coupling shafts 13 with operation and are moved, thereby realize that this takes turns the walking drag function of limit drive unit.This Manual release device simplicity of design is practical, operational reliability is higher and be easy to realization.
Be provided with Parking Brake 9 between described supporting base 2 and the spline connecting sleeve 14, it is a kind of Wet-type multi-disc Parking Brake, braking when can be used for tire and stopping, this Parking Brake mainly comprises the fixed cover 95, wet type brake block group 94 and the piston sleeve 93 that are sleeved on outside the spline connecting sleeve 14 as shown in Figure 4.Wherein, the axially locating installation can be realized by the collar 91 that is arranged in the supporting base 2 in fixed cover 95 right sides, and namely fixed cover 95 can't axially move right, and also is provided with bearing 96 with the supporting that rotates between this fixed cover and the spline connecting sleeve 14; Described wet type brake block group 94 is installed between fixed cover 95 and the piston sleeve 93, plays the stall braking action of spline connecting sleeve 14; Doing sealing by seal ring between described piston sleeve 93 and the supporting base 2 installs, between also is formed with oil pocket 10 simultaneously, can be communicated with respectively oil pocket and extraneous oil transportation channel 15 and be provided with in the supporting base 2, be provided with a plurality of openings spring groove left at piston sleeve 93 left ends, be provided with goring push spring 17 in each spring groove, be provided with fixed plate 92 in the piston sleeve left side simultaneously, the axially locating installation can be realized by the collar 91 that is arranged in the supporting base 2 in this fixed plate left side, be that fixed plate 92 can't be done axially to left movement, and goring push spring 17 left sides of above-mentioned spring groove are exposed and are contacted on fixed plate 92, therefore can make piston sleeve 93 possess a precompression that axially moves right by the elastic force of goring push spring.
Described Parking Brake 9 working methods are: when tire needing to stop the original place parking braking, axially move right by a plurality of goring push spring 17 pushing pistons covers 93, and then pushing tow extruding is installed in the wet type brake block group 94 between piston sleeve 93 and the fixed cover 95, and by this wet type brake block group spline connecting sleeve 14 braked; When removing parking braking, only need by the oil transportation channel 15 in the supporting base 2 to the oil pocket 10 interior input hydraulic pressure oil between piston sleeve 93 and the supporting base 2, under the promotion of hydraulic oil so that piston sleeve 93 overcomes the elastic force of goring push spring 17 axially is moved to the left, removed the pushing tow extruding of wet type brake block group 94, this moment, this wheel limit drive unit can be realized motion.
Be provided with supporting sleeve 16 outside the described supporting base 2, this supporting sleeve is connected with internal gear housing 58, therefore and do between the internal gear housing to rotate synchronously; Be provided with the stronger heavily loaded floating seal ring 3 of a pair of contamination resistance between supporting sleeve 16 and the supporting base 2, can form the suit movable sealing structure between supporting sleeve and the supporting base, this movable sealing structure can adapt to the walking of tire under the different kinds of roads situation, and improves working life; Simultaneously, also be provided with a pair of large tapered roller bearing between supporting sleeve 16 and the supporting base 2, the weight of tire and stressed can by this to tapered roller bearing, and supporting base 2 be passed on the vehicle frame.
Described supporting sleeve 16 and the internal gear housing 58 outer Service Brakes 5 that are provided with, this Service Brake can carry out combination to realize the trailer function with Manual release device 8, after operation Manual release device 8 drives coupling shaft 13 disengagements, remove the braking of Service Brake 5, tire can be dragged walking.
Described Service Brake such as Fig. 2, shown in Figure 3, mainly comprise the piston 51 that is arranged on outside the supporting sleeve 16, and the stuffing box gland dress is arranged on the shell 52 outside piston and the internal gear housing 58, and shell is to realize sealing between mounting plate 54 by being installed in the shell right-hand member and the internal gear housing 58, and also be provided with the stronger heavily loaded floating seal ring 3 of a pair of contamination resistance between mounting plate 54 and the internal gear housing 58, it can form the suit movable sealing structure between mounting plate and the internal gear housing, this movable sealing structure can adapt to the walking of tire under the different kinds of roads situation, and improves working life; Shell 52 also is connected with supporting base 2 by support plate 4.
Described piston 51 left ends are provided with a plurality of openings spring groove left, be provided with goring push spring 17 in each spring groove, the left end that this goring push spring exposes all contacts on support plate 4, therefore can make piston 51 possess a precompression that axially moves right by the elastic force of goring push spring; Be formed with oil pocket 10 between described piston and the shell 52, can be communicated with respectively oil pocket and extraneous oil transportation channel 15 and also be provided with in the shell.
Described shell 52, piston 51 right-hand members, jointly be formed with the brake chamber between mounting plate 54 and the internal gear housing 58, be provided with the connecting rod 53 of installing vertically in this brake chamber, the two ends of connecting rod are separately fixed on shell 52 and the mounting plate 54, in the brake chamber, also be provided with simultaneously alternately many groups steel disc 55 and many group movable friction plates 56, how the group steel discs are gone here and there simultaneously is contained on the connecting rod 53, should many group movable friction plates corresponding being inlaid in the internal gear housing 58 outer set splines respectively then, after many groups steel disc 55 when alternately was in place in the brake chamber with many group movable friction plates 56, the steel disc of high order end or movable friction plate contacted with piston 51 right-hand members of the elastic force pushing tow that is subjected to goring push spring 17.The mounting structure of above-mentioned this Service Brake 5 can shorten the axial installation dimension of wheel limit drive unit to greatest extent, conveniently rationally places at the limited tire of installing space.
This Service Brake 5 is to adopt the Normally closed type spring braking in design, the multidisc structure that hydraulic pressure discharges, its working method is: when normally off as shown in Figure 2, the goring push spring 17 of cylinder type passes to alternately many groups steel disc 55 and movable friction plate 56 by piston 51 with positive pressure, wherein many group steel discs are to be fixed on the shell 52 by connecting rod 53, many group movable friction plates 56 are by the spline on the internal gear housing 58 braking force to be delivered on the tire wheel hub, by many groups steel disc 55 with organize the service brake state that the frictional force that produces between the movable friction plate 56 can keep tire more; When hydraulic oil enters in the oil pocket 10 by oil transportation channel 15, and so that piston 51 overcomes the elastic force of goring push spring 17 as shown in Figure 3 axially is moved to the left, unclamp the positive pressure between steel disc 55 and the movable friction plate 56, also just removed the braking state of tire; Simultaneously, when the walking braking, the hydraulic oil in the oil pocket 10 is led rapidly oil sump tank by oil transportation channel 15, piston 51 axially moves right under the elastic force effect of goring push spring 17, and compress rapidly many group steel discs 55 and many group movable friction plates 56, from and can realize the walking braking of tire.
Also need to arrange " O " type rubber ring 57 between described every adjacent steel disc 55 and the movable friction plate 56, it can guarantee the complete brake off that Service Brake 5 is safety quick, this be since sometimes the hydraulic oil between steel disc 55 and movable friction plate 56 can have sticking phenomenon, and under the impact of the factors such as steel disc 55 and movable friction plate 56 distortion, hydraulic pressure discharges so that piston 51 axially is moved to the left and removes pushing tows to many groups steel disc 55 and many group movable friction plates 56 when pushing, but can not guarantee to throw off fully between steel disc 55 and the movable friction plate 56, wheel will cause the overheated even sintering of break part local friction during tyre walking like this, damage, so that product failure, and all placed " O " type rubber ring 57 between every adjacent steel disc 55 and the movable friction plate 56, in the time of can effectively guaranteeing piston 51 brake off, can be by the fully disengagement between the auxiliary steel disc 55 of the elastic force of " O " type rubber ring 57 and the movable friction plate 56.
Simultaneously, because wheel limit drive unit longevity of service, the as installed space is little, frictional heating when adding service brake between steel disc 55 and the movable friction plate 56, easily cause the inner amount of heat that produces of device to be difficult to be pulled away, cause quick aging, the inefficacy of some Sealings, reach burning, damaging of part component.The problem that has a strong impact on wheel limit drive unit operational safety in order to solve this, therefore on Service Brake, configured especially cooling recirculation system 6, it mainly the periodic duty by cold oil and take away the Service Brake dirts such as the particle that gets off, impurity that wear and tear with heat exchange principle band walking apparatus internal heat.
Described cooling recirculation system 6 as shown in Figure 3, it comprises the cold oil import 61 that is arranged in the support plate 4 and the hot oil outlet 64 that is arranged in the shell 52, also comprise and be arranged on piston 51, support plate 4, grease chamber 63 between supporting base 2 and the supporting sleeve 16, and between piston 51 and the support plate 4, be equipped with logical oil-gap 62 between piston 51 and the supporting sleeve 16, cold oil import 61 mainly is connected with grease chamber 63 with logical oil-gap 62 between the support plate 4 by piston 51, and the grease chamber mainly is connected with the brake chamber by the logical oil-gap 62 between piston 51 and the supporting sleeve 16, and the brake chamber is connected with hot oil outlet 64; Simultaneously, be respectively equipped with the oil through 65 of 8 ~ 12 circumference uniform distributions at supporting sleeve 16 and internal gear housing 58, oil through 65 quantity of design are identical and corresponding communicating one by one on supporting sleeve 16 and the internal gear housing 58, and the oil through 65 on the supporting sleeve 16 also directly is communicated with grease chamber 63, and the oil through on the internal gear housing 58 is communicated with the brake chamber by a plurality of apertures.
The working procedure of cooling recirculation system 6 is according to shown in the arrow of Fig. 2, Fig. 3, cold oil enters grease chamber 63 through cold oil import 61, logical oil-gap 62, cold oil one tunnel in this grease chamber directly enters the brake chamber through logical oil-gap 62, the oil through 65 of another road on supporting sleeve 16 and internal gear housing 58 also enters the brake chamber, then by the gap between each steel disc 55 and the movable friction plate 56, will take the whole limit drive unit of taking turns out of from hot oil outlet 64 with the deep fat of heat at last.Can find out, " O " type rubber ring 57 between steel disc 55 and the movable friction plate 56 has strengthened the disengagement stroke, the pressure loss when having reduced the cold oil flushing, this flush loop has effectively guaranteed whole braking reliability, the Security of taking turns the limit drive unit, has also prolonged working life.
The present invention can shorten the installing space size in the tire to greatest extent under the prerequisite that satisfies the normal operation needs, improve wheel tyre walking passing capacity.Wherein, Parking Brake 9 and Service Brake 5 gather together and have consisted of an integral body with plane table thermoconductivity meter, this is so that axial dimension shortens, overall structure is compacter, multiple functional, high working efficiency, variable speed controllable, transmitting torque greatly, also improve operational safety, therefore be particularly suitable in tire drives, using, and the built-in multidisc brake structure that Service Brake 5 adopts has and safeguards the advantages such as simple, that the life-span is long, cost is low, variable speed controllable, comprehensive competitive advantage are obvious.Small and exquisite Manual release device 8 is set realizes the drag function of walking, avoid also need adopting in the traditional design scheme oil hydraulic motor 1 first by clutch, the mode to multi-stage planetary gear speed reducer realizes again, act of operation is simple, has reduced too the bulk of installing.
Claims (7)
1. the wheel limit drive unit of the two brakings of Novel belt comprises the supporting base (2) that is installed on the vehicle frame, and oil hydraulic motor (1) is installed in this supporting base, and supporting base one end is provided with plane table thermoconductivity meter; Described plane table thermoconductivity meter comprises coupling shaft (13), primary centre wheel (12), secondary planet reducing gear (11), internal gear housing (58) and cover plate (7); Described coupling shaft (13) moves as axial reciprocating, is provided with the spline connecting sleeve (14) that work is in transmission connection between the output shaft of this coupling shaft input end and oil hydraulic motor (1), and coupling shaft (13) is provided with the primary centre wheel (12) that is in transmission connection; Described secondary planet reducing gear (11) is meshed with the ring gear of primary centre wheel (12), internal gear housing (58) respectively, on this internal gear housing (58) wheel hub is installed; Described cover plate (7) is connected on the internal gear housing (58), and coupling shaft (13), primary centre wheel (12) and secondary planet reducing gear (11) are enclosed in the internal gear housing (58); The outer supporting sleeve (16) that is provided with the stuffing box gland dress of described supporting base (2), this supporting sleeve is connected with internal gear housing (58), is provided with the bearing of the supporting that rotates between supporting sleeve (16) and the supporting base (2); Be provided with Parking Brake (9) between described supporting base (2) and the spline connecting sleeve (14); The outer Service Brake (5) that is provided with of described supporting sleeve (16) and internal gear housing (58), this Service Brake comprises piston (51), shell (52), organizes steel disc (55) and many group movable friction plates (56) more, this shell logical (52) is crossed support plate (4) and is connected on the supporting base (2), it is characterized in that:
Form the brake chamber between a, described shell (52), piston (51) and the internal gear housing (58), be provided with vertically alternately many groups steel disc (55) and many group movable friction plates (56) in this brake chamber, many group steel discs (55) are gone here and there simultaneously and are contained on the connecting rod (53) of installing vertically in the brake chamber, organize movable friction plate (56) more and are inlaid in respectively in the outer set spline of internal gear housing (58);
Be equipped with rubber ring (57) between b, described every adjacent steel disc (55) and the movable friction plate (56);
Also be provided with cooling recirculation system (6) on c, the described Service Brake (5), this cooling recirculation system comprises and is arranged on the cold oil import (61) in the support plate (4) and is arranged on the interior hot oil outlet (64) of shell (52), also comprises the grease chamber (63) that is arranged between piston (51), support plate (4), supporting base (2) and the supporting sleeve (16); Described cold oil import (61), grease chamber (63) and brake chamber are connected, and this brake chamber is connected with hot oil outlet (64) again; Be respectively equipped with the oil through (65) that a plurality of correspondences communicate on described supporting sleeve (16) and the internal gear housing (58), this oil through is connected with grease chamber (63), brake chamber respectively.
2. the wheel limit drive units of the two brakings of Novel belt according to claim 1, it is characterized in that being respectively equipped with on described supporting sleeve (16) and the internal gear housing (58) oil through (65) that correspondence communicates is 8 ~ 12, oil through (65) on this supporting sleeve (16) is communicated with grease chamber (63), and the oil through (65) on this internal gear housing (58) is communicated with the brake chamber by a plurality of apertures.
3. the wheel limit drive units of the two brakings of Novel belt according to claim 1, it is characterized in that described coupling shaft (13) output terminal is provided with Manual release device (8), this Manual release device comprises the disengagement axle (81) that moves as axial reciprocating, this disengagement axle one end is connected on coupling shaft (13) output terminal, the other end stretches out cover plate (7) and exposes, between disengagement axle (81) and cover plate (7), be provided with seal ring, throw off the outer Returnning spring (82) that is set with of axle (81), this Returnning spring two ends difference pushing tow is on the outer shoulder and cover plate (7) of throwing off axle (81).
4. the wheel limit drive units of the two brakings of Novel belt according to claim 1, piston (51) suit that it is characterized in that described Service Brake (5) is arranged on outside the supporting sleeve (16), and move as axial reciprocating, be provided with the spring groove of a plurality of outward openings in this piston (51), goring push spring (17) all is set in each spring groove; Described shell (52) stuffing box gland dress is arranged on outside piston (51) and the internal gear housing (58), form oil pocket (10) between this shell (52) and the piston (51), also be provided with the oil transportation channel (15) that is communicated with respectively oil pocket (10) and the external world in the shell (52); Goring push spring (17) exposed junction in this support plate (4) and the described spring groove contacts.
5. the wheel limit drive unit of the two brakings of Novel belt according to claim 1 is characterized in that described Parking Brake (9) comprises fixed cover (95), wet type brake block group (94) and the piston sleeve (93) that is sleeved on outside the spline connecting sleeve (14); Described fixed cover (95) is made axially locating and is installed, and is provided with the bearing (96) of the supporting that rotates between this fixed cover and the spline connecting sleeve (14); Described wet type brake block group (94) is installed between fixed cover (95) and the piston sleeve (93); Do sealing between described piston sleeve and the supporting base (2) and install, also be formed with oil pocket (10) between the two, and in supporting base (2), be provided with the oil transportation channel (15) that is communicated with respectively oil pocket (10) and the external world; Be provided with the spring groove of outward opening in the described piston sleeve (93), and goring push spring (17) is set in described spring groove; Described piston sleeve (93) one sides are provided with the fixed plate (92) that axially locating is installed, and interior goring push spring (17) exposed junction of this fixed plate and spring groove contacts.
6. the wheel limit drive unit of the two brakings of Novel belt according to claim 1 is characterized in that being provided with between described supporting base (2) and the supporting sleeve (16) the heavily loaded floating seal ring (3) that consists of the stuffing box gland assembling structure.
7. the wheel limit drive unit of the two brakings of each described Novel belt is characterized in that being provided with between described shell (52) and the internal gear housing (58) the heavily loaded floating seal ring (3) that consists of the stuffing box gland assembling structure according to claim 1 ~ 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210526230.2A CN103032560B (en) | 2012-12-10 | 2012-12-10 | Novel double-braking rim driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210526230.2A CN103032560B (en) | 2012-12-10 | 2012-12-10 | Novel double-braking rim driving device |
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| CN103032560A true CN103032560A (en) | 2013-04-10 |
| CN103032560B CN103032560B (en) | 2015-06-10 |
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| CN201210526230.2A Active CN103032560B (en) | 2012-12-10 | 2012-12-10 | Novel double-braking rim driving device |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277242A (en) * | 2013-04-16 | 2013-09-04 | 意宁液压股份有限公司 | Hand-operated stepless variable plunger hydraulic motor |
| CN103307123A (en) * | 2013-06-27 | 2013-09-18 | 江苏赫夫特齿轮制造有限公司 | Hydraulic motor driven splined coupling planetary structure |
| CN103264755B (en) * | 2013-04-16 | 2015-10-28 | 意宁液压股份有限公司 | Three cylinder purse seine winches |
| CN106015396A (en) * | 2016-07-06 | 2016-10-12 | 中车戚墅堰机车车辆工艺研究所有限公司 | Traveling and parking integrated braking device for automobile |
| CN106015406A (en) * | 2016-07-11 | 2016-10-12 | 中车戚墅堰机车车辆工艺研究所有限公司 | Transmission and braking integrated device for vehicle |
| CN106555838A (en) * | 2016-12-01 | 2017-04-05 | 徐州科源液压股份有限公司 | Double brake hoisting speed reducer |
| CN106564824A (en) * | 2016-12-29 | 2017-04-19 | 意宁液压股份有限公司 | Man-riding winch with double brakes |
| CN106715973A (en) * | 2014-12-10 | 2017-05-24 | 马自达汽车株式会社 | Automatic transmission |
| CN108019448A (en) * | 2017-12-14 | 2018-05-11 | 湖北航天技术研究院特种车辆技术中心 | One kind wheel side electric drive retarder parking brake |
| CN108591300A (en) * | 2018-07-24 | 2018-09-28 | 湖北职业技术学院 | Clutch apparatus |
| CN108811510A (en) * | 2017-03-06 | 2018-11-13 | 费尔菲尔德制造公司 | Planetary gear drive brake |
| 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 |
| CN110369977A (en) * | 2019-07-25 | 2019-10-25 | 浙江耐磨达汽车部件有限公司 | A kind of processing technology of disk-type braking gland |
| CN110541929A (en) * | 2019-08-29 | 2019-12-06 | 上海布拓传动***设备有限公司 | Dual-function wheel-side speed reducer integrating service braking and parking braking |
| CN110701217A (en) * | 2019-10-11 | 2020-01-17 | 内蒙古第一机械集团股份有限公司 | Separation clearance adjustable moves integrative wet brake that dwells |
| CN113685384A (en) * | 2021-09-10 | 2021-11-23 | 中航飞机起落架有限责任公司 | Hydraulic mechanical lock device |
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| CN201090678Y (en) * | 2007-09-05 | 2008-07-23 | 胡世璇 | Traveling wheel gearing device with brake |
| CN101144525A (en) * | 2007-10-18 | 2008-03-19 | 镇江大力液压马达有限责任公司 | Compact hydraulic motor gear reducer |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103277242A (en) * | 2013-04-16 | 2013-09-04 | 意宁液压股份有限公司 | Hand-operated stepless variable plunger hydraulic motor |
| CN103277242B (en) * | 2013-04-16 | 2015-06-10 | 意宁液压股份有限公司 | Hand-operated stepless variable plunger hydraulic motor |
| CN103264755B (en) * | 2013-04-16 | 2015-10-28 | 意宁液压股份有限公司 | Three cylinder purse seine winches |
| CN103307123A (en) * | 2013-06-27 | 2013-09-18 | 江苏赫夫特齿轮制造有限公司 | Hydraulic motor driven splined coupling planetary structure |
| CN106715973B (en) * | 2014-12-10 | 2019-05-14 | 马自达汽车株式会社 | Automatic transmission |
| CN106715973A (en) * | 2014-12-10 | 2017-05-24 | 马自达汽车株式会社 | Automatic transmission |
| CN106015396A (en) * | 2016-07-06 | 2016-10-12 | 中车戚墅堰机车车辆工艺研究所有限公司 | Traveling and parking integrated braking device for automobile |
| CN106015396B (en) * | 2016-07-06 | 2020-02-04 | 中车戚墅堰机车车辆工艺研究所有限公司 | Vehicle driving and parking integrated brake device |
| CN106015406A (en) * | 2016-07-11 | 2016-10-12 | 中车戚墅堰机车车辆工艺研究所有限公司 | Transmission and braking integrated device for vehicle |
| CN106555838A (en) * | 2016-12-01 | 2017-04-05 | 徐州科源液压股份有限公司 | Double brake hoisting speed reducer |
| CN106555838B (en) * | 2016-12-01 | 2019-03-05 | 徐州科源液压股份有限公司 | Double brake hoisting speed reducer |
| CN106564824A (en) * | 2016-12-29 | 2017-04-19 | 意宁液压股份有限公司 | Man-riding winch with double brakes |
| CN108811510A (en) * | 2017-03-06 | 2018-11-13 | 费尔菲尔德制造公司 | Planetary gear drive brake |
| CN108019448A (en) * | 2017-12-14 | 2018-05-11 | 湖北航天技术研究院特种车辆技术中心 | One kind wheel side electric drive retarder parking brake |
| CN108591300A (en) * | 2018-07-24 | 2018-09-28 | 湖北职业技术学院 | Clutch apparatus |
| 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 |
| CN110369977A (en) * | 2019-07-25 | 2019-10-25 | 浙江耐磨达汽车部件有限公司 | A kind of processing technology of disk-type braking gland |
| CN110369977B (en) * | 2019-07-25 | 2021-12-07 | 浙江耐磨达科技有限公司 | Machining process of disc type brake lining |
| CN110541929A (en) * | 2019-08-29 | 2019-12-06 | 上海布拓传动***设备有限公司 | Dual-function wheel-side speed reducer integrating service braking and parking braking |
| CN110541929B (en) * | 2019-08-29 | 2024-04-30 | 上海布拓传动***设备有限公司 | Dual-functional hub reduction gear with service braking and parking braking are as an organic whole |
| CN110701217A (en) * | 2019-10-11 | 2020-01-17 | 内蒙古第一机械集团股份有限公司 | Separation clearance adjustable moves integrative wet brake that dwells |
| CN113685384A (en) * | 2021-09-10 | 2021-11-23 | 中航飞机起落架有限责任公司 | Hydraulic mechanical lock device |
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