CN204477259U - A kind of gear shaft retarder - Google Patents
A kind of gear shaft retarder Download PDFInfo
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- CN204477259U CN204477259U CN201520126417.2U CN201520126417U CN204477259U CN 204477259 U CN204477259 U CN 204477259U CN 201520126417 U CN201520126417 U CN 201520126417U CN 204477259 U CN204477259 U CN 204477259U
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Abstract
The utility model discloses a kind of gear shaft retarder, aim to provide a kind of stable transmission, and can effectively solve because inevitably there is gap between input/shaft and defeated entry/exit gear, and have influence on the gear shaft retarder of the problem of the overall performance of speed reducer.It comprises casing, input shaft, be arranged on the input gear on input shaft, input shaft end-blocking lid, output shaft, be arranged on the output gear on output shaft and output shaft end-blocking lid, described input shaft is passed input shaft end-blocking lid and is arranged on casing by bearing, the structure and input shaft and input gear are formed in one; Described output shaft is through output shaft end-blocking lid be arranged on casing by bearing, and output shaft and output gear are formed in one structure, and output gear is meshed with input gear.
Description
Technical field
The utility model relates to a kind of retarder, is specifically related to a kind of gear shaft retarder.
Background technique
Reducer structure common at present comprises input shaft, input gear, output gear, output shaft, they successively transmission complete speed-down action., inevitably there is gap between output shaft and output gear, thus cause the meshing error of input gear and output gear, finally may have influence on the overall performance of speed reducer in the input shaft in current reducer structure and between input gear.
In addition, the shaft seal (seal ring) due to retarder input/shaft wear and tear in Long-Time Service process and grease accumulation in reasons such as shaft seal places, all can easily cause retarder input/shaft shaft seal place produce Leakage.Current retarder once there is the shaft seal place leakage of oil of input/shaft, then needs to change shaft seal; And when changing shaft seal, need speed reducer to disintegrate, pull down coupling, take out reductor shaft end-blocking lid, then change shaft seal, and reinstall; This make the workload changing shaft seal this process large, waste time and energy.
Model utility content
First object of the present utility model inevitably there is gap to overcome in prior art between retarder input/shaft and defeated entry/exit gear, thus have influence on the problem of the overall performance of speed reducer, a kind of stable transmission is provided, and can effectively solve because inevitably there is gap between input/shaft and defeated entry/exit gear, and have influence on the gear shaft retarder of the problem of the overall performance of speed reducer.
Second object of the utility model on the first object basis be in order to overcome retarder in prior art once there is shaft seal leakage of oil, then need to change shaft seal, waste time and energy, problem that workload is large.
The technical solution of the utility model is:
A kind of gear shaft retarder, comprise casing, input shaft, be arranged on the input gear on input shaft, input shaft end-blocking lid, output shaft, is arranged on the output gear on output shaft and output shaft end-blocking lid, described input shaft is passed input shaft end-blocking lid and is arranged on casing by bearing, the structure and input shaft and input gear are formed in one; Described output shaft is through output shaft end-blocking lid be arranged on casing by bearing, and output shaft and output gear are formed in one structure, and output gear is meshed with input gear.Input/the shaft of this programme and defeated entry/exit gear are formed in one structure, its stable transmission, and can effectively solve because inevitably there is gap between input/shaft and defeated entry/exit gear, and have influence on the problem of the overall performance of speed reducer.
As preferably, input shaft end-blocking lid is connected with casing by bolt, and is provided with annular sealing gaskets between input shaft end-blocking lid and casing, is provided with input oil sealing between described input shaft end-blocking lid and input shaft; Described output shaft end-blocking lid is connected with casing by bolt, and is provided with between output shaft end-blocking lid and casing and is also provided with annular sealing gaskets, is provided with output oil seal between described output shaft end-blocking lid and output shaft.
As preferably, input oil seal structure for subsequent use is also provided with between input shaft end-blocking lid and input shaft, this input oil seal structure for subsequent use is positioned at outside casing, input oil seal structure for subsequent use comprises and is arranged on the fixing body in first on input shaft end-blocking lid exterior edge face, is slidably arranged on the first slip body in the first fixing body and is arranged on first fixing the first buckle connecting structure between body and the first slip body; Described first fixing body is set on input shaft, and coaxially arranges with input shaft, and described first slip body is set on input shaft, and coaxially arranges with input shaft; Described first buckle connecting structure comprises and is arranged on the first snap ring on the first fixing body inner side surface and at least one to be arranged on the first slip body end face and first Elastic buckle that can coordinate with the first snap ring, described first snap ring, the first Elastic buckle and input shaft end-blocking lid are positioned at the same side of the first slip body; Described first fixing is provided with the first exterior seal ring between body and the first slip body, be provided with the first inner seal ring, and the first inner seal ring is fixed on the first slip body inner side surface between described first slip body and input shaft; On described input shaft outer side surface, be positioned at and be provided with the first annular outside casing and step down groove; Described first fixing body inner side surface is provided with the first outer ring spacing block set, on first flip sleeve outside, be positioned at inside the first outer ring spacing block set and be provided with the first annular spacing block set, on described first flip sleeve outside, be positioned at the first external side of fixed cover and be provided with collar stop, on the first slip body, the first fixing being provided with between body end face and collar stop, annular spacing block set in first can be made to be resisted against the first pretension Compress Spring on the first outer ring spacing block set; When in first, annular spacing block set is resisted against on the first outer ring spacing block set, described first inner seal ring is positioned at the first annular and steps down groove, and the first inner seal ring and the first annular are stepped down between groove inner wall and be provided with gap; When after the first Elastic buckle and the first snap ring clamping, described first inner seal ring is positioned at the first annular and steps down outside groove, and forms Hermetical connecting structure between the first slip body and input shaft.
When the shaft seal leakage of oil of this programme input shaft, only need the first slip body to push away toward in, and make the first Elastic buckle and the first snap ring clamping.When after the first Elastic buckle and the first snap ring clamping, the first inner seal ring is positioned at the first annular and steps down outside groove, and forms novel sealing linkage structure between the first slip body and input shaft; Thus form novel sealing linkage structure between the first slip body outside shaft seal and input shaft, solve shaft seal Leakage, disintegration speed reducer can be eliminated like this, tear the operation that shaft joint etc. wastes time and energy open; Can effectively solve retarder in prior art once there is the shaft seal leakage of oil of input shaft, then need speed reducer to disintegrate, pull down coupling, take out reductor shaft end-blocking lid, then change shaft seal, and reinstall, waste time and energy, problem that workload is large.
As preferably, the first Elastic buckle comprises and to be arranged on the first slip body end face and the elastic arm extended along input shaft and the fixture block that is arranged on elastic arm end are formed.
As preferably, output oil seal structure for subsequent use is also provided with between output shaft end-blocking lid and output shaft, this output oil seal structure for subsequent use is positioned at outside casing, output oil seal structure for subsequent use comprises and is arranged on the fixing body in second on output shaft end-blocking lid exterior edge face, is slidably arranged on the second slip body in the second fixing body and is arranged on second fixing the second buckle connecting structure between body and the second slip body; Described second fixing body is set on output shaft, and coaxially arranges with output shaft, and described second slip body is set on output shaft, and coaxially arranges with output shaft; Described second buckle connecting structure comprises and is arranged on the second snap ring on the second fixing body inner side surface and at least one to be arranged on the second slip body end face and second Elastic buckle that can coordinate with the second snap ring, described second snap ring, the second Elastic buckle and output shaft end-blocking lid are positioned at the same side of the second slip body; Described second fixing is provided with the second exterior seal ring between body and the second slip body, be provided with the second inner seal ring, and the second inner seal ring is fixed on the second slip body inner side surface between described second slip body and output shaft; On described output shaft outer side surface, be positioned at and be provided with the second annular outside casing and step down groove; Described second fixing body inner side surface is provided with the second outer ring spacing block set, on second flip sleeve outside, be positioned at inside the second outer ring spacing block set and be provided with the second annular spacing block set, on described second flip sleeve outside, be positioned at the second external side of fixed cover and be provided with collar stop, on the second slip body, the second fixing being provided with between body end face and collar stop, annular spacing block set in second can be made to be resisted against the second pretension Compress Spring on the second outer ring spacing block set; When in second, annular spacing block set is resisted against on the second outer ring spacing block set, described second inner seal ring is positioned at the second annular and steps down groove, and the second inner seal ring and the second annular are stepped down between groove inner wall and be provided with gap; When after the second Elastic buckle and the second snap ring clamping, described second inner seal ring is positioned at the second annular and steps down outside groove, and forms Hermetical connecting structure between the second slip body and output shaft.
When the shaft seal leakage of oil of this programme output shaft, only need the second slip body to push away toward in, and make the second Elastic buckle and the second snap ring clamping.When after the second Elastic buckle and the second snap ring clamping, second inner seal ring is positioned at the second annular and steps down outside groove, and novel sealing linkage structure is formed between the second slip body and output shaft, thus form novel sealing linkage structure between the second slip body outside shaft seal and output shaft, solve shaft seal Leakage, disintegration speed reducer can be eliminated like this, tear the operation that shaft joint etc. wastes time and energy open; Can effectively solve retarder in prior art once there is the shaft seal leakage of oil of output shaft, then need speed reducer to disintegrate, pull down coupling, take out reductor shaft end-blocking lid, then change shaft seal, and reinstall, waste time and energy, problem that workload is large.
As preferably, the second Elastic buckle comprises and to be arranged on the second slip body end face and the elastic arm extended along output shaft and the fixture block that is arranged on elastic arm end are formed.
As preferably, input gear has at least gear teeth be provided with self adaption lubricating fitting, this self adaption lubricating fitting comprises the shoe cream room be arranged in the gear teeth, the oil leab being arranged on the self-adapting stretching device in shoe cream room and being arranged in input gear; One end of described oil leab is connected with shoe cream room, and the teeth groove that the other end is adjacent with the shoe cream room place gear teeth is connected; Described self-adapting stretching device comprises the fixed muffle be arranged in shoe cream room and the sliding sleeve be slidably arranged in fixed muffle, and described fixed muffle is fixed on shoe cream room inwall, and one end of fixed muffle is closed, the other end opening; Be provided with the 3rd seal ring between described fixed muffle inner side surface and sliding sleeve outer side surface, one end of sliding sleeve is closed, the other end opening, and the opening end of sliding sleeve is closed towards the end of fixed muffle; Airtight telescopic cavity is formed, blanketing gas in this telescopic cavity between described fixed muffle and sliding sleeve; Lubricant oil is filled in described shoe cream room.
The mode of lubricating system many employings external dressing of current reducer gear, add gear surface to by lubricant oil to lubricate gear, such as: drop lubrication (lubricant oil being dropped to friction in pairs surface), splash lubrication (oiling agent being splashed to friction in pairs surface), oil jet lubrication, flooding system lubrication etc.The gear lubrication mode of current this employing external dressing, once lubrication system fault or lubrication system fluid are not enough or because of other reasons, when causing the operative gear in train of gearings enough not lubricated, then can cause very large damage to the gear of insufficient lubrication, reduce the working life of gear.
The self-lubricating device of this programme utilize the volume expansivity of gas much larger than lubricant oil volume expansivity; At gear in the course of the work, if there is the reason such as lubrication system fault or lubrication system fluid deficiency, cause gear lubrication bad, when making gear teeth temperature raise (such as cone pulley tooth temperature raises tens degree fast) fast; Blanketing gas expanded by heating in this programme telescopic cavity, oil pressure in shoe cream room is increased, thus the lubricant oil in shoe cream room is forced into gullet surface by oil leab, and be distributed to gradually on the flank of tooth in pinion rotation and engagement process, effectively improve the lubrication effect of gear teeth face; Thus effectively improve because of reasons such as lubrication system fault or lubrication system fluid deficiencies, make gear lubrication bad, reduce the problem of service life of gear.
As preferably, self adaption lubricating fitting also comprises oil leab automatic opening-closing, this oil leab automatic opening-closing comprises the mounting hole be arranged in the Bottom land of input gear, the piston body being arranged on the valve pocket in mounting hole and being slidably arranged in valve pocket; The teeth groove at described mounting hole place and the gear teeth adjacent distributions at shoe cream room place; The both ends open of described valve pocket, grid barrier is provided with in valve pocket, valve pocket inner side surface is provided with the first annular protrusion and the second annular protrusion, first annular protrusion, the second annular protrusion and mounting hole bottom surface are positioned at the same side of grid barrier, and the first annular protrusion is near mounting hole bottom surface, the second annular protrusion is away from mounting hole bottom surface; Piston body, between first and second annular protrusion, in valve pocket, is provided with piston body can be made to be resisted against the second Compress Spring on the first annular protrusion between grid barrier and piston body; The the 4th and the 5th seal ring is provided with between described piston body and mounting hole, annular groove is provided with on mounting hole inner side surface, between the 4th and the 5th seal ring, the oil-through hole of through valve pocket outer side surface is provided with on described valve pocket inner side surface, between first and second annular protrusion, oil-through hole is between the 4th and the 5th seal ring, and the opening of this oil-through hole and annular groove is just to setting; When piston body is resisted against on the first annular protrusion, described oil-through hole and the second annular protrusion are positioned at piston body the same side; When piston body is resisted against on the second annular protrusion, described oil-through hole and the first annular protrusion are positioned at piston body the same side; Described oil leab comprises oil inlet passage and oil discharge passage, and one end of oil inlet passage communicates with shoe cream room, and the other end communicates with the bottom surface of mounting hole, and one end of described oil discharge passage communicates with annular groove, and the other end communicates with the Bottom land at mounting hole place.
The oil leab automatic opening-closing of this programme structure can not affect self-lubricating device normally work (oil pressure namely in shoe cream room increases, and lubricant oil is forced into gullet surface by oil leab) prerequisite under; Effectively avoid gear in normal operating conditions, the problem that the lubricant oil in shoe cream room flows out by gravity or centrifugal forces affect.
As preferably, the exterior edge face of the closed end of sliding sleeve is provided with air guide through hole, is provided with the seal plug be threaded in this air guide through hole.
The beneficial effects of the utility model are:
One, stable transmission, and can effectively solve because inevitably there is gap between input/shaft and defeated entry/exit gear, and have influence on the problem of the overall performance of speed reducer.
Its two, can effectively solve retarder in prior art once there is shaft seal leakage of oil, then need to change shaft seal, waste time and energy, problem that workload is large.
Its three, effectively can improve because of reasons such as lubrication system fault or lubrication system fluid are not enough, cause gear lubrication bad, reduce the problem in gear shaft working life.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of gear shaft retarder of the utility model embodiment 1.
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
Fig. 3 is the partial enlarged drawing at B place in Fig. 2.
Fig. 4 is a kind of partial enlarged drawing in the utility model embodiment 1 after first Elastic buckle and the first snap ring clamping.
Fig. 5 is the part section structural representation of the input gear in the utility model embodiment 2.
Fig. 6 is the part section structural representation at D-D place in Fig. 5.
Fig. 7 is the enlarged view at C place in Fig. 5.
In figure: casing 1, input shaft 2, input gear 21, the gear teeth 22, teeth groove 23, input shaft end-blocking lid 3, annular sealing gaskets 31, input oil sealing 32, input oil seal structure 4, the first buckle connecting structure 41, first snap ring 41a, first Elastic buckle 41b, first fixing body 42, first annular is stepped down groove 43, first inner seal ring 44, first slip body 45, first pretension Compress Spring 46, collar stop 47, first outer ring spacing block set 48, annular spacing block set 49 in first, 3rd exterior seal ring 410, output shaft 5, output shaft end-blocking lid 6, self adaption lubricating fitting 7, shoe cream room 71, self-adapting stretching device 72, fixed muffle 72a, sliding sleeve 72b, seal plug 72c, telescopic cavity 72d, oil leab 73, oil inlet passage 73a, oil discharge passage 73b, oil leab automatic opening-closing 74, envelope hides end plate 75, pump nozzle 75a, grid barrier 76, valve pocket 77, 4th seal ring 78, second Compress Spring 79, second annular protrusion 710, piston body 711, annular groove 742, 5th seal ring 713, first annular protrusion 714, oil-through hole 715.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
Embodiment 1: as shown in Figure 1 and Figure 2, and a kind of gear shaft retarder comprises casing 1, input shaft 2, is arranged on the input gear 21 on input shaft, input shaft end-blocking lid 3, output shaft 5, is arranged on the output gear on output shaft and output shaft end-blocking lid 6.Input shaft is passed input shaft end-blocking lid and is arranged on casing by bearing.Input shaft and input gear are formed in one structure.Output shaft is passed output shaft end-blocking lid and is arranged on casing by bearing.Output shaft and output gear are formed in one structure, and output gear is meshed with input gear.Input shaft end-blocking lid is connected with casing by bolt, and is provided with annular sealing gaskets 31 between input shaft end-blocking lid and casing.Be provided with between input shaft end-blocking lid and input shaft and input oil sealing 32 (i.e. seal ring).Output shaft end-blocking lid is connected with casing by bolt, and is provided with between output shaft end-blocking lid and casing and is also provided with annular sealing gaskets.Output oil seal is provided with between output shaft end-blocking lid and output shaft.
As shown in Figure 1, Figure 2, Figure 3 shows, input oil seal structure 4 for subsequent use is also provided with between input shaft end-blocking lid and input shaft.This input oil seal structure for subsequent use is positioned at outside casing.Input oil seal structure for subsequent use comprises and is arranged on the fixing body 42 in first on input shaft end-blocking lid exterior edge face, is slidably arranged on the first slip body 45 in the first fixing body and is arranged on first fixing the first buckle connecting structure 41 between body and the first slip body.First fixing body is set on input shaft, and coaxially arranges with input shaft.First slip body is set on input shaft, and coaxially arranges with input shaft.First buckle connecting structure comprises and is arranged on the first snap ring 41a on the first fixing body inner side surface and at least one to be arranged on the first slip body end face and the first Elastic buckle 41b that can coordinate with the first snap ring.The first Elastic buckle quantity in the present embodiment is four, and four the first Elastic buckles are uniform around input shaft circumference.First snap ring, the first Elastic buckle and input shaft end-blocking lid are positioned at the same side of the first slip body.First Elastic buckle comprise be arranged on the first slip body end face and along input shaft extend elastic arm and be arranged on elastic arm end fixture block form.
First fixing is provided with the first exterior seal ring 410 between body and the first slip body.First flip sleeve outside is provided with the first exterior seal ring mounting groove, and the first exterior seal ring is fixedly installed in the first exterior seal ring mounting groove.Be provided with the first inner seal ring 44 between first slip body and input shaft, and the first inner seal ring is fixed on the first slip body inner side surface.First slip body inner side surface is provided with the first inner seal ring mounting groove, and the first inner seal ring is fixedly installed in the first inner seal ring mounting groove.On input shaft outer side surface, be positioned at and be provided with the first annular outside casing and step down groove 43.
First fixing body inner side surface is provided with the first outer ring spacing block set 48.On first flip sleeve outside, be positioned at inside the first outer ring spacing block set and be provided with the first annular spacing block set 49.On first flip sleeve outside, be positioned at the first external side of fixed cover and be provided with collar stop 47.Fix on first slip body, first and be provided with the first pretension Compress Spring 46 between body end face and collar stop, this first pretension Compress Spring can make annular spacing block set in first be resisted against on the first outer ring spacing block set.
As shown in Figure 3, when in first, annular spacing block set is resisted against on the first outer ring spacing block set: the first inner seal ring is positioned at the first annular and steps down groove, and the first inner seal ring and the first annular are stepped down between groove inner wall and be provided with gap; And the first Elastic buckle is separated with the first snap ring card.As shown in Figure 4, when after the first Elastic buckle and the first snap ring clamping, the first inner seal ring is positioned at the first annular and steps down outside groove, and forms Hermetical connecting structure between the first slip body and input shaft.
Output oil seal structure for subsequent use is also provided with between output shaft end-blocking lid and output shaft.This output oil seal structure for subsequent use is positioned at outside casing.The concrete structure of output oil seal structure for subsequent use is with reference to the concrete structure of input oil seal structure for subsequent use.Output oil seal structure for subsequent use comprises and is arranged on the fixing body in second on output shaft end-blocking lid exterior edge face, is slidably arranged on the second slip body in the second fixing body and is arranged on second fixing the second buckle connecting structure between body and the second slip body.Second fixing body is set on output shaft, and coaxially arranges with output shaft.Second slip body is set on output shaft, and coaxially arranges with output shaft.Second buckle connecting structure comprises and is arranged on the second snap ring on the second fixing body inner side surface and at least one to be arranged on the second slip body end face and second Elastic buckle that can coordinate with the second snap ring.Second snap ring, the second Elastic buckle and output shaft end-blocking lid are positioned at the same side of the second slip body.Second Elastic buckle comprise be arranged on the second slip body end face and along output shaft extend elastic arm and be arranged on elastic arm end fixture block form.
Second fixing is provided with the second exterior seal ring between body and the second slip body.Second flip sleeve outside is provided with the second exterior seal ring mounting groove, and the second exterior seal ring is fixedly installed in the second exterior seal ring mounting groove.Be provided with the second inner seal ring between second slip body and output shaft, and the second inner seal ring is fixed on the second slip body inner side surface.Second slip body inner side surface is provided with the second inner seal ring mounting groove, and the second inner seal ring is fixedly installed in the second inner seal ring mounting groove.On output shaft outer side surface, be positioned at and be provided with the second annular outside casing and step down groove.Second fixing body inner side surface is provided with the second outer ring spacing block set.On second flip sleeve outside, be positioned at inside the second outer ring spacing block set and be provided with the second annular spacing block set.On second flip sleeve outside, be positioned at the second external side of fixed cover and be provided with collar stop.Annular spacing block set in second can be made to be resisted against the second pretension Compress Spring on the second outer ring spacing block set on second slip body, the second fixing being provided with between body end face and collar stop.When in second, annular spacing block set is resisted against on the second outer ring spacing block set: the second inner seal ring is positioned at the second annular and steps down groove, and the second inner seal ring and the second annular are stepped down between groove inner wall and be provided with gap, and the second Elastic buckle is separated with the second snap ring card.When after the second Elastic buckle and the second snap ring clamping, second inner seal ring is positioned at the second annular and steps down outside groove (i.e. the second inner seal ring and the second annular step down groove be in staggered distribution), and forms Hermetical connecting structure between the second slip body and output shaft.
As shown in Figure 2 and Figure 3, when input oil seal structure for subsequent use does not work, in first, annular spacing block set is resisted against on the first outer ring spacing block set, and the first inner seal ring is positioned at the first annular and steps down groove, and the first inner seal ring and the first annular are stepped down between groove inner wall and be provided with gap; In retarder working procedure, the first inner seal ring can not be worn like this.When the shaft seal leakage of oil of input shaft, as shown in Figure 2, Figure 4 shows, operator only needs the first slip body to push away toward in, and make the first Elastic buckle and the first snap ring clamping, now the first inner seal ring is positioned at the first annular and steps down outside groove, and novel sealing linkage structure is formed between the first slip body and input shaft, thus form novel sealing linkage structure between the first slip body outside shaft seal and input shaft, solve shaft seal Leakage.
Embodiment 2: all the other structures of the present embodiment are with reference to embodiment 1, and its difference is:
As shown in Figure 5, Figure 6, input gear have at least gear teeth to be provided with self adaption lubricating fitting 7.Have the gear teeth of half to be provided with self-lubricating device in the input gear of the present embodiment, and this part gear teeth is spaced apart.Self adaption lubricating fitting comprises the shoe cream room 71 be arranged in the gear teeth 22 of input gear, is arranged on the self-adapting stretching device 72 in shoe cream room, is arranged on the oil leab 73 in input gear and oil leab automatic opening-closing 74.One end of oil leab is connected with shoe cream room, and the teeth groove 23 that the other end is adjacent with the shoe cream room place gear teeth is connected.Shoe cream room is the cylindrical cavity paralleled with the axis of input gear.Shoe cream room runs through the both ends of the surface of input gear.The two ends of shoe cream room are respectively equipped with envelope and hide end plate 75, and wherein an envelope screening end plate is provided with pump nozzle 75a.Envelope hides the two-port that end plate envelope hides shoe cream room.
Self-adapting stretching device comprises the fixed muffle 72a be arranged in shoe cream room and the sliding sleeve 72b be slidably arranged in fixed muffle.Fixed muffle and sliding sleeve are cylindrically.Fixed muffle and sliding sleeve are made up of the metallic material of good heat conductivity, such as, be made up of copper or Cuprum alloy or aluminum or aluminum alloy material.Fixed muffle and sliding sleeve parallel with the axis of input gear.One end of fixed muffle is closed, the other end opening.Fixed muffle is fixed on shoe cream room inwall, and specifically, the closed end of fixed muffle is fixed on an envelope and hides on end plate.The opening end of fixed muffle and another envelope spacing hidden between end plate are less than the axial length of fixed muffle.The axial length of sliding sleeve is greater than the axial length of fixed muffle.The 3rd seal ring is provided with between fixed muffle inner side surface and sliding sleeve outer side surface.One end of sliding sleeve is closed, the other end opening, and the opening end of sliding sleeve is closed towards the end of fixed muffle.The exterior edge face of the closed end of sliding sleeve is provided with air guide through hole.The seal plug 72c be threaded is provided with in this air guide through hole.Airtight telescopic cavity 72d is formed between fixed muffle and sliding sleeve.Blanketing gas in this telescopic cavity; This blanketing gas is air or nitrogen or inert gas.Lubricant oil is filled in shoe cream room.
As shown in Figure 5, Figure 7, oil leab automatic opening-closing comprises the mounting hole be arranged in the Bottom land of input gear, the piston body 711 being arranged on the valve pocket 77 in mounting hole and being slidably arranged in valve pocket.The teeth groove at the mounting hole place of same self adaption lubricating fitting and the gear teeth adjacent distributions at shoe cream room place.Mounting hole is circular hole.Valve pocket cylindrically.Mounting hole is coaxial with valve pocket.Valve pocket is connected with mounting hole by screw thread.The both ends open of valve pocket.Grid barrier 76 is provided with in valve pocket.Valve pocket inner side surface is provided with the first annular protrusion 714 and the second annular protrusion 710.First annular protrusion, the second annular protrusion and mounting hole bottom surface are positioned at the same side of grid barrier, and the first annular protrusion is near mounting hole bottom surface, and the second annular protrusion is away from mounting hole bottom surface.Piston body is between first and second annular protrusion.In valve pocket, be provided with between grid barrier and piston body piston body can be made to be resisted against the second Compress Spring 79 on the first annular protrusion.The the 4th and the 5th seal ring 78,713 is provided with between piston body and mounting hole.Annular groove 712 is provided with on mounting hole inner side surface, between the 4th and the 5th seal ring.The oil-through hole 715 of through valve pocket outer side surface is provided with on valve pocket inner side surface, between first and second annular protrusion.Oil-through hole is between the 4th and the 5th seal ring, and the opening of this oil-through hole and annular groove is just to setting.When piston body is resisted against on the first annular protrusion, described oil-through hole and the second annular protrusion are positioned at piston body the same side.When piston body is resisted against on the second annular protrusion, described oil-through hole and the first annular protrusion are positioned at piston body the same side.Oil leab comprises oil inlet passage 73a and oil discharge passage 73b.One end of oil inlet passage communicates with shoe cream room, and the other end communicates with the bottom surface of mounting hole.One end of oil discharge passage communicates with annular groove, and the other end communicates with the Bottom land at mounting hole place.
Claims (7)
1. a gear shaft retarder, it is characterized in that, comprise casing, input shaft, is arranged on the input gear on input shaft, input shaft end-blocking lid, output shaft, be arranged on the output gear on output shaft and output shaft end-blocking lid, described input shaft is passed input shaft end-blocking lid and is arranged on casing by bearing, the structure and input shaft and input gear are formed in one; Described output shaft is through output shaft end-blocking lid be arranged on casing by bearing, and output shaft and output gear are formed in one structure, and output gear is meshed with input gear.
2. gear shaft retarder according to claim 1, it is characterized in that, described input shaft end-blocking lid is connected with casing by bolt, and is provided with annular sealing gaskets between input shaft end-blocking lid and casing, is provided with input oil sealing between described input shaft end-blocking lid and input shaft; Described output shaft end-blocking lid is connected with casing by bolt, and is provided with between output shaft end-blocking lid and casing and is also provided with annular sealing gaskets, is provided with output oil seal between described output shaft end-blocking lid and output shaft.
3. gear shaft retarder according to claim 2, it is characterized in that, input oil seal structure for subsequent use is also provided with between described input shaft end-blocking lid and input shaft, this input oil seal structure for subsequent use is positioned at outside casing, input oil seal structure for subsequent use comprises and is arranged on the fixing body in first on input shaft end-blocking lid exterior edge face, is slidably arranged on the first slip body in the first fixing body and is arranged on first fixing the first buckle connecting structure between body and the first slip body; Described first fixing body is set on input shaft, and coaxially arranges with input shaft, and described first slip body is set on input shaft, and coaxially arranges with input shaft; Described first buckle connecting structure comprises and is arranged on the first snap ring on the first fixing body inner side surface and at least one to be arranged on the first slip body end face and first Elastic buckle that can coordinate with the first snap ring, described first snap ring, the first Elastic buckle and input shaft end-blocking lid are positioned at the same side of the first slip body;
Described first fixing is provided with the first exterior seal ring between body and the first slip body, be provided with the first inner seal ring, and the first inner seal ring is fixed on the first slip body inner side surface between described first slip body and input shaft; On described input shaft outer side surface, be positioned at and be provided with the first annular outside casing and step down groove;
Described first fixing body inner side surface is provided with the first outer ring spacing block set, on first flip sleeve outside, be positioned at inside the first outer ring spacing block set and be provided with the first annular spacing block set, on described first flip sleeve outside, be positioned at the first external side of fixed cover and be provided with collar stop, on the first slip body, the first fixing being provided with between body end face and collar stop, annular spacing block set in first can be made to be resisted against the first pretension Compress Spring on the first outer ring spacing block set;
When in first, annular spacing block set is resisted against on the first outer ring spacing block set, described first inner seal ring is positioned at the first annular and steps down groove, and the first inner seal ring and the first annular are stepped down between groove inner wall and be provided with gap; When after the first Elastic buckle and the first snap ring clamping, described first inner seal ring is positioned at the first annular and steps down outside groove, and forms Hermetical connecting structure between the first slip body and input shaft.
4. gear shaft retarder according to claim 2, it is characterized in that, output oil seal structure for subsequent use is also provided with between described output shaft end-blocking lid and output shaft, this output oil seal structure for subsequent use is positioned at outside casing, output oil seal structure for subsequent use comprises and is arranged on the fixing body in second on output shaft end-blocking lid exterior edge face, is slidably arranged on the second slip body in the second fixing body and is arranged on second fixing the second buckle connecting structure between body and the second slip body; Described second fixing body is set on output shaft, and coaxially arranges with output shaft, and described second slip body is set on output shaft, and coaxially arranges with output shaft; Described second buckle connecting structure comprises and is arranged on the second snap ring on the second fixing body inner side surface and at least one to be arranged on the second slip body end face and second Elastic buckle that can coordinate with the second snap ring, described second snap ring, the second Elastic buckle and output shaft end-blocking lid are positioned at the same side of the second slip body;
Described second fixing is provided with the second exterior seal ring between body and the second slip body, be provided with the second inner seal ring, and the second inner seal ring is fixed on the second slip body inner side surface between described second slip body and output shaft; On described output shaft outer side surface, be positioned at and be provided with the second annular outside casing and step down groove;
Described second fixing body inner side surface is provided with the second outer ring spacing block set, on second flip sleeve outside, be positioned at inside the second outer ring spacing block set and be provided with the second annular spacing block set, on described second flip sleeve outside, be positioned at the second external side of fixed cover and be provided with collar stop, on the second slip body, the second fixing being provided with between body end face and collar stop, annular spacing block set in second can be made to be resisted against the second pretension Compress Spring on the second outer ring spacing block set;
When in second, annular spacing block set is resisted against on the second outer ring spacing block set, described second inner seal ring is positioned at the second annular and steps down groove, and the second inner seal ring and the second annular are stepped down between groove inner wall and be provided with gap; When after the second Elastic buckle and the second snap ring clamping, described second inner seal ring is positioned at the second annular and steps down outside groove, and forms Hermetical connecting structure between the second slip body and output shaft.
5. gear shaft retarder according to claim 1, it is characterized in that, described input gear have at least gear teeth be provided with self adaption lubricating fitting, this self adaption lubricating fitting comprises the shoe cream room be arranged in the gear teeth, the oil leab being arranged on the self-adapting stretching device in shoe cream room and being arranged in input gear; One end of described oil leab is connected with shoe cream room, and the teeth groove that the other end is adjacent with the shoe cream room place gear teeth is connected; Described self-adapting stretching device comprises the fixed muffle be arranged in shoe cream room and the sliding sleeve be slidably arranged in fixed muffle, and described fixed muffle is fixed on shoe cream room inwall, and one end of fixed muffle is closed, the other end opening; Be provided with the 3rd seal ring between described fixed muffle inner side surface and sliding sleeve outer side surface, one end of sliding sleeve is closed, the other end opening, and the opening end of sliding sleeve is closed towards the end of fixed muffle; Airtight telescopic cavity is formed, blanketing gas in this telescopic cavity between described fixed muffle and sliding sleeve; Lubricant oil is filled in described shoe cream room.
6. gear shaft retarder according to claim 5, it is characterized in that, described self adaption lubricating fitting also comprises oil leab automatic opening-closing, this oil leab automatic opening-closing comprises the mounting hole be arranged in the Bottom land of input gear, the piston body being arranged on the valve pocket in mounting hole and being slidably arranged in valve pocket; The teeth groove at described mounting hole place and the gear teeth adjacent distributions at shoe cream room place; The both ends open of described valve pocket, grid barrier is provided with in valve pocket, valve pocket inner side surface is provided with the first annular protrusion and the second annular protrusion, first annular protrusion, the second annular protrusion and mounting hole bottom surface are positioned at the same side of grid barrier, and the first annular protrusion is near mounting hole bottom surface, the second annular protrusion is away from mounting hole bottom surface; Piston body, between first and second annular protrusion, in valve pocket, is provided with piston body can be made to be resisted against the second Compress Spring on the first annular protrusion between grid barrier and piston body; The the 4th and the 5th seal ring is provided with between described piston body and mounting hole, annular groove is provided with on mounting hole inner side surface, between the 4th and the 5th seal ring, the oil-through hole of through valve pocket outer side surface is provided with on described valve pocket inner side surface, between first and second annular protrusion, oil-through hole is between the 4th and the 5th seal ring, and the opening of this oil-through hole and annular groove is just to setting; When piston body is resisted against on the first annular protrusion, described oil-through hole and the second annular protrusion are positioned at piston body the same side; When piston body is resisted against on the second annular protrusion, described oil-through hole and the first annular protrusion are positioned at piston body the same side; Described oil leab comprises oil inlet passage and oil discharge passage, and one end of oil inlet passage communicates with shoe cream room, and the other end communicates with the bottom surface of mounting hole, and one end of described oil discharge passage communicates with annular groove, and the other end communicates with the Bottom land at mounting hole place.
7. the gear shaft retarder according to claim 5 or 6, is characterized in that, the exterior edge face of the closed end of described sliding sleeve is provided with air guide through hole, is provided with the seal plug be threaded in this air guide through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520126417.2U CN204477259U (en) | 2015-03-04 | 2015-03-04 | A kind of gear shaft retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520126417.2U CN204477259U (en) | 2015-03-04 | 2015-03-04 | A kind of gear shaft retarder |
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| Publication Number | Publication Date |
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| CN204477259U true CN204477259U (en) | 2015-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520126417.2U Expired - Fee Related CN204477259U (en) | 2015-03-04 | 2015-03-04 | A kind of gear shaft retarder |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776208A (en) * | 2015-03-04 | 2015-07-15 | 盐城工学院 | Gear shaft speed reducer |
| CN105179657A (en) * | 2015-07-17 | 2015-12-23 | 共享装备有限公司 | Shaft end dustproof sealing device for output shaft of speed reducer |
| CN110230685A (en) * | 2019-07-04 | 2019-09-13 | 郑州机械研究所有限公司 | Waterproof construction and a kind of speed reducer at a kind of output shaft of speed reducer |
| CN113864418A (en) * | 2021-09-29 | 2021-12-31 | 阿姆特(上海)新能源科技有限公司 | Differential is with preventing sintering oil guide structure, differential and car |
| CN115111344A (en) * | 2022-08-26 | 2022-09-27 | 江苏南江减速机有限公司 | High-strength speed reducer casing for new energy automobile |
-
2015
- 2015-03-04 CN CN201520126417.2U patent/CN204477259U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776208A (en) * | 2015-03-04 | 2015-07-15 | 盐城工学院 | Gear shaft speed reducer |
| CN105179657A (en) * | 2015-07-17 | 2015-12-23 | 共享装备有限公司 | Shaft end dustproof sealing device for output shaft of speed reducer |
| CN110230685A (en) * | 2019-07-04 | 2019-09-13 | 郑州机械研究所有限公司 | Waterproof construction and a kind of speed reducer at a kind of output shaft of speed reducer |
| CN113864418A (en) * | 2021-09-29 | 2021-12-31 | 阿姆特(上海)新能源科技有限公司 | Differential is with preventing sintering oil guide structure, differential and car |
| CN113864418B (en) * | 2021-09-29 | 2023-01-24 | 阿姆特(上海)新能源科技有限公司 | Differential is with preventing sintering oil guide structure, differential and car |
| CN115111344A (en) * | 2022-08-26 | 2022-09-27 | 江苏南江减速机有限公司 | High-strength speed reducer casing for new energy automobile |
| CN115111344B (en) * | 2022-08-26 | 2023-01-03 | 江苏南江减速机有限公司 | High-strength speed reducer casing for new energy automobile |
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Granted publication date: 20150715 Termination date: 20160304 |