CN201539534U

CN201539534U - Turning speed reducer

Info

Publication number: CN201539534U
Application number: CN2009202183726U
Authority: CN
Inventors: 王恩德
Original assignee: GUMPTIOUS TECHNOLOGY Co Ltd
Current assignee: GUMPTIOUS TECHNOLOGY Co Ltd
Priority date: 2009-10-15
Filing date: 2009-10-15
Publication date: 2010-08-04
Anticipated expiration: 2019-10-15

Abstract

The utility model relates to a turning speed reducer. A tubular main shaft is penetrated to an outer shell. Two inclined roller bearings are arranged between two sides of the main shaft and the outer shell. A bevel gear is fixedly sheathed at the middle of the main shaft, and a second shaft engaged with the bevel gear is penetrated surrounding the outer shell. Adjusting rings butted an outer ring of each inclined roller bearing are screwed to the outer shell corresponding to the penetrating positions at both ends of the main shaft. The main shaft can be used for a cable to penetrate, and the speed reducing effect when in driving is provided by the engagement between the second shaft and the bevel gear. When the abrasion between the bevel gear and the second shaft generates back gaps, the adjusting rings can be turned to retreat, and the main shaft is released by the inclined roller bearings to adjust the position of the bevel gear to get rid of the back gaps.

Description

Turn to retarder

Technical field

The utility model relates to a kind of retarder, relates in particular to a kind of retarder that turns to of adjusting mesh degree between the gear and then eliminating back clearance.

Background technique

Existing retarder, please number " reducer structure of electric motor car " novel patent case No. 568036 referring to the TW patent announcement, but it is equipped with one in the rotation mode and drives ratch in reducer shell, be provided with the transmission ratch that another bearing of trend and driving gear bar cramp angle 90 are spent and be meshed again around the shell, can link transmission with power source by driving ratch, the transmission ratch then links with wheel, by the different gear ratios that drive between ratch and the transmission ratch, the deceleration effect in the time of can reaching transmission between the two.

The above is wherein a kind of form of multiple retarder, and the form that a kind of retarder is also arranged is to wear a main shaft in shell, be provided with a bevel gear in collar bush, wear an inner umbrella shape tooth portion that forms again around the shell, with the countershaft of the bevel gear engagement driving of umbrella shape tooth portion and main shaft.Aforesaid retarder is because after using for a long time, the situation generation that has gear wear and produce back clearance, the long-term shortcoming that causes bevel gear to damage and cause mechanical efficiency to reduce easily down of using, for this kind retarder improved necessity is arranged, reach better using effect with further elimination back clearance.

The model utility content

Technical problem underlying to be solved in the utility model is, overcome existing retarder and after long use, can produce back clearance because of gear wear, produce the gear interlock not good and damage easily, the problem of reduction mechanical efficiency, and provide a kind of retarder that turns to, the main shaft of the present utility model cable of can powering wears, the effect of slowing down when providing transmission with the engagement between countershaft and the bevel gear, when wearing and tearing produce back clearance between bevel gear and the countershaft, the rotatable ring of adjusting is backed out, and makes angular ball bearing discharge main shaft and back clearance is eliminated in the position that can adjust bevel gear.

For achieving the above object, the utility model provides a kind of retarder that turns to, and it is characterized in that, comprising:

One shell, it is provided with countershaft perforation in the bottom, and between left and right two sides, wear main shaft perforation, its bottom communicates with the countershaft perforation, this shell to should main shaft two outer end position of perforation, form ring-type and bigger one first end difference and one second end difference of diameter in the wall in interior week, respectively form a shoulder and a screw thread in the inner face and the side face of first end difference and second end difference;

One main shaft, it is to be interspersed in this main shaft perforation, this main shaft is the straight tube body and forms a conjoint disk and a detecting pipe in the two ends that pass the perforation of this main shaft respectively, side face in this detecting pipe is arranged with more than one groove, the position of corresponding first end difference, side face in this main shaft is convexly equipped with formation one protuberance, and in the solid bevel gear of the inboard of protuberance cover, again in sheathed one first angular ball bearing in the position of this main shaft between this bevel gear and this protuberance, it comprises a ring and an outer shroud in one, and is resisted against the wall of this main shaft perforation with outer shroud; The position of adjoining this second end difference inboard, in sheathed one second angular ball bearing of the side face of this main shaft, it has a ring and an outer shroud in one, and is resisted against the wall of this main shaft perforation with outer shroud;

One countershaft, it is placed through this countershaft perforation with rotatable form, forms a bevel gear portion in the inner of this countershaft, with this bevel gear portion and the engagement of this bevel gear, forms a linking department in the outer end of this countershaft;

Two adjust ring, it is screwed together in the screw thread of first end difference and second end difference respectively, the position of corresponding each shoulder, around each adjustment ring, be equipped with a plurality of screws respectively, be provided with a backstop double-screw bolt in each screw spiral shell, be resisted against corresponding shoulder with the inner of each backstop double-screw bolt, be convexly equipped with the flange of a ring-type respectively, be resisted against the outside of the first angular ball bearing outer shroud and the second angular ball bearing outer shroud with two flanges respectively in two interior edge faces of adjusting ring.

Further, described each backstop double-screw bolt is the inner that spiral shell is located at each screw, and form a head and a polygonal hole respectively respectively at the inner and outer end, with each head abuts in described each shoulder, in the outer end of each screw screw lock one packing double-screw bolt, the inner of each packing double-screw bolt is against the outer end of each backstop double-screw bolt, whereby with each urgent location of backstop double-screw bolt, and each is adjusted to encircle in the inner circumference edge of exterior edge face and is arranged with the oil sealing end difference that forms a ring-type, in conjunction with an oil seal ring, the side face to described main shaft is stretched in the inner of each oil seal ring in each oil sealing end difference.

Preferable, the polygonal hole of described each backstop double-screw bolt outer end is a hexagon ring, and described conjoint disk is a disc, itself and in the exterior edge face with around form wear a plurality of screw locks hole, described groove is provided with a plurality of, and with around form be arranged with in the side face of described detecting pipe.

The utility model is incorporated into the arm body of transmission and the transmission shaft of power source with the conjoint disk of main shaft and the linking department of countershaft, by the gear ratio between bevel gear and the countershaft, reaches the function of deceleration when transmission; And because main shaft is that body and inside have the space, therefore when the utility model is applied to manipulator, can provide elastic cable paper to pass with the space in the main shaft, each groove that is provided with around the detecting pipe then be to cooperate the decoder of other setting to detect the number of turns that main shaft rotates.

When producing back clearance because of wearing and tearing between bevel gear portion and the bevel gear, be that the two backstop double-screw bolts of adjusting on the ring are backed out corresponding shoulder, adjusting outer rotation of hoop with two then backs out, this moment, the outer shroud of first angular ball bearing and second angular ball bearing can outwards be backed out, discharge main shaft whereby and make the removable adjustment of main shaft position, then main shaft is pushed and eliminates between the two back clearance towards the bevel gear portion of countershaft together with bevel gear.

After aforesaid adjustment finishes, again adjust ring and second with first and inwardly adjust the ring rotation, each outer shroud that pushes against first angular ball bearing and second angular ball bearing respectively with flange moves inward and expands, make the outer shroud of first angular ball bearing and second angular ball bearing outwards shore the wall location that is resisted against the main shaft perforation respectively, the axial position of fixed main shaft whereby, at last each backstop bolt is locked again shoulder, promptly finished adjustment operation of the present utility model against correspondence.

The utility model is by the operation of above-mentioned turn adjustment ring, make and still can adjust elimination after long-time the use according to this because of back clearance that loss between the gear produced, make the utility model wear except main shaft inside can provide elastic cable paper, and the groove around the detecting pipe can cooperate beyond the effect of decoder detecting, can also grow to protect zero back clearance and reach preferable using effect.

Description of drawings

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 is the schematic perspective view that the utility model is removed preceding half case.

Fig. 2 is a sectional drawing of the present utility model.

Fig. 3 is a cut-away section enlarged view of the present utility model.

Fig. 4 is that the utility model is adjusted the outer sectional drawing of backing out of adjusting of hoop with Fig. 1 and Fig. 2.

Fig. 5 is that the utility model is adjusted the outer cut-away section enlarged view of backing out of adjusting of hoop with Fig. 1 and Fig. 2.

The number in the figure explanation:

10 shells, 11 bases

12 countershafts, 13 caps of boring a hole

14 main shafts, 15 first end differences of boring a hole

151 shoulders, 152 screw threads

16 second end differences, 161 shoulders

162 screw threads, 20 main shafts

21 conjoint disks, 211 screw lock holes

22 protuberances, 23 bevel gears

24 first angular ball bearings, 25 second angular ball bearings

26 detecting pipes, 261 grooves

30 countershafts, 31 bearings

32 bevel gear portions, 33 linking departments

40 first adjust ring 41 screws

42 backstop double-screw bolts, 421 heads

422 hexagon rings, 43 flanges

44 oil sealing end differences, 45 oil seal rings

46 packing double-screw bolts 50 second are adjusted ring

51 screws, 52 backstop double-screw bolts

521 heads, 522 hexagon rings

53 flanges, 54 oil sealing end differences

55 oil seal rings, 56 packing double-screw bolts

Embodiment

The utility model is a kind of retarder that turns to, please referring to Fig. 1 to Fig. 3, it main shaft 20, one that comprises that a shell 10, is arranged in the shell is arranged in the countershaft 30 that meshes with main shaft 20 in the shell 10, and be screwed together in shell 10 and adjust ring 40 and second and adjust ring 50 in order to adjust first of main shaft 20, wherein:

This shell 10 comprises that a base 11 and is incorporated into the cap 13 on the base 11, wherein base 11 is square plates, and central vertical wears the countershaft perforation 12 of a circular hole, cap 13 is by before two, the square lid of the double housing be combined in back, in cap 13 left sides, laterally wear the main shaft perforation 14 of a circular hole between the right bi-side, the bottom of main shaft perforation 14 communicates with countershaft perforation 12, the bore a hole position at 14 two ends of corresponding main shaft, be arranged with first end difference 15 that forms a ring and second end difference 16 of a ring in the internal face of this cap 13 with the form of symmetry, in each

end difference

15,16 inner face respectively forms the shoulder 151 of a ring-type, 161, again respectively at each

end difference

15,16 side face forms a screw thread 152,162.

This main shaft 20 is interspersed in the pipe body of main shaft perforation 14, each is stretched out its two ends outside the cap 13 by the main shaft perforation 14 of shell 10, and form a conjoint disk 21 and a detecting pipe 26 respectively in these two ends, wherein conjoint disk 21 is discs, in the exterior edge face of conjoint disk 21 with around and equally spaced form wear eight screw lock holes 211, side face in detecting pipe 26 is arranged with a plurality of grooves 261 that uniformly-spaced are provided with of formation again, to first end difference, 15 positions that should shell 10, around facing in the week of main shaft 20, be convexly equipped with the protuberance 22 that forms a ring-type;

Set firmly the bevel gear 23 of a ring-type near protuberance 22 places in main shaft 20 side faces, to should bevel gear 23 and this protuberance 22 between the position, be provided with one and be incorporated into bore a hole first angular ball bearing 24 between 14 walls and main shaft 20 side faces of main shaft, ring and outer shroud in first angular ball bearing 24 has, it is located at main shaft 20 with inner ring sleeve, is resisted against the wall of main shaft perforation 14 again with outer shroud; The position of corresponding adjoining second end difference 16 inboards, be provided with one and be incorporated into bore a hole second angular ball bearing 25 between 14 walls and main shaft 20 outer walls of main shaft, ring and outer shroud in second angular ball bearing 25 has, it is located at main shaft 20 with inner ring sleeve, is resisted against the wall of main shaft perforation 14 again with outer shroud.

This countershaft 30 is arranged in countershaft perforation 12, bore a hole in the side face of countershaft 30 and countershaft and to be provided with a bearing 31 between 12 walls, in the countershaft 30 inner bevel gear portions 32 that form, with bevel gear portion 32 and bevel gear 23 engagements, and countershaft 30 outer ends form a linking department 33 in order to clipping binding transmission shaft.

This first adjustment ring 40 is cirque body and the screw thread 152 that is screwed together in first end difference 15 with outer circumferential face, first adjust ring 40 corresponding shoulders 151 in around wear a plurality of screws 41, in each screw 41 each screw lock one backstop double-screw bolt 42 and a packing double-screw bolt 46 from inside to outside, the inner of each backstop double-screw bolt 42 and outward appearance form a head 421 and a hexagon ring 422 respectively, be resisted against shoulder 151 by each head 421, and the inner of each packing double-screw bolt 46 is resisted against the outer end of each backstop double-screw bolt 42, whereby with each backstop double-screw bolt 42 urgent location;

First adjusts ring 40 stretches the flange 43 that is provided with a ring-type in interior edge face, be resisted against the outer shroud of first angular ball bearing 23 with flange 43, make the wall of the outer shroud of first angular ball bearing 23 towards expansion on every side and urgent main shaft perforation 14, first adjusts ring 40 inner circumference edges in the exterior edge face is arranged with the oil sealing end difference 44 that forms a ring, stretches oil seal ring 45 to main shaft 20 side faces in oil sealing end difference 44 in conjunction with a inner.

This second adjustment ring 50 is cirque body and the screw thread 162 that is screwed together in second end difference 16 with outer circumferential face, second adjusts the corresponding shoulder 161 of ring wears a plurality of screws 51 in periphery, in each screw 51 from inside to outside each spiral shell establish a backstop double-screw bolt 52 and a packing double-screw bolt 56, the inner of each backstop double-screw bolt 52 and outer end form a head 521 and a hexagon ring 522 respectively, be resisted against shoulder 161 by each head 521, and the inner of each packing double-screw bolt 56 is resisted against the outer end of each backstop double-screw bolt 52, with each backstop double-screw bolt 52 urgent location;

Second adjusts ring 50 stretches the flange 53 of establishing a ring-type in interior edge face, be resisted against the outer shroud of second angular ball bearing 25 with flange 53, make second to adjust the wall of the outer shroud of ring 50 towards expansion on every side and urgent main shaft perforation 14, second adjusts the oil sealing end difference 54 that ring 50 inner circumference edges in the exterior edge face are formed with a ring, stretches oil seal ring 55 to main shaft 20 side faces in oil sealing end difference 54 in conjunction with a inner.

Each double-

screw bolt

42,52 of the utility model is except that in the exterior edge face is provided with hexagon ring, also can be him and plant the setting in polygonal hole, screw lock hole 211 quantity of conjoint disk 21 can be other a plurality of quantity, and the groove 261 around the detecting pipe 26 can only be provided with one or two quantity, and variation the utility model of previous constructions quantity is not limited at this.

When the utility model uses, be with the conjoint disk 21 of main shaft 20 arm body in conjunction with output terminal, again with linking department 33 clippings of countershaft 30 transmission shaft in conjunction with power source, by vertical setting and intermeshing bevel gear 23 gear ratio with bevel gear portion 32, can make the utility model reach the effect that transmission direction turns to and outputting power slows down, and because main shaft 20 of the present utility model is bodys, therefore when the utility model applies to the field of manipulator, can provide elastic cable paper to pass with the space in the main shaft 20, and the setting of each groove 261 around the detecting pipe 26, then be to cooperate the extra detecting device of installing such as decoder, so make things convenient for the user to use in order to calculate the number of turns that main shaft 20 rotates.

When using and make bevel gear 23 or bevel gear portion 32 to produce for a long time, the utility model weares and teares, and then make when producing back clearance between the two, please referring to Fig. 4, Fig. 5, be to back out each packing double-screw bolt 46 with instrument, 56, insert first with instrument again and adjust each backstop double-screw bolt 42 on the ring 40 and

second adjustment ring

50,52 hexagon ring 422,522 rotate, with each backstop double-

screw bolt

42,52 head 421,521 by shoulder 151,161 back out, then adjusting the ring 40 and second adjustment ring 50 with first outwards rotates, allow

flange

43,53 discharge the outer shroud of first angular ball bearing 24 and second angular ball bearing 25, this moment, the outer shroud of first angular ball bearing 24 and second angular ball bearing 25 can outwards be backed out, perforation 14 wall against clipping in main shaft, this moment, main shaft 20 was released and adjustable position moves, main shaft 20 is pushed the location together with bevel gear 23 towards bevel gear portion 32 directions of countershaft 30, eliminate the back clearance between bevel gear 23 and the bevel gear portion 32 whereby.

After adjustment finishes, again adjust ring 40 and second with first and inwardly adjust ring 50 rotations, each is with

flange

43,53 outer shrouds that push against first angular ball bearing 24 and second angular ball bearing 25 respectively move inwardly and expand outwardly, shore the wall that is resisted against main shaft perforation 14 and locate, the axial position of fixed main shaft 20 whereby, utilize instrument with each backstop bolt 42 at last, 52 rotate, make its head 421,521 once more against the shoulder 151 of correspondence, 161, the location positioning that making the adjustment ring 40 and second of winning adjust ring 50 is not become flexible, at last again with each packing double-

screw bolt

46,56 screw locks are gone into each

screw

41,51 each backstop bolt 42 of location, 52 position.By the feasible effect of eliminating back clearance that the utlity model has of above-mentioned adjustment operation, after using for a long time, still can adjust the effect that reaches zero back clearance, and then reach better using effect.

Claims

1. one kind turns to retarder, it is characterized in that, comprising:

One countershaft, it is placed through this countershaft perforation to rotate form, forms a bevel gear portion in the inner of this countershaft, with this bevel gear portion and the engagement of this bevel gear, forms a linking department in the outer end of this countershaft;

2. the retarder that turns to according to claim 1, it is characterized in that: described each backstop double-screw bolt spiral shell is located at the inner of described each screw, each backstop double-screw bolt forms a head and a polygonal hole respectively at inner respectively with the outer end, with each head abuts in described each shoulder, in the outer end of each screw screw lock one packing double-screw bolt, the inner of each packing double-screw bolt is resisted against the outer end of each backstop double-screw bolt.

3. the retarder that turns to according to claim 2, it is characterized in that: described each adjustment encircles in the inner circumference edge of exterior edge face and is arranged with the oil sealing end difference that forms a ring-type, in conjunction with an oil seal ring, the side face to described main shaft is stretched in the inner of each oil seal ring in each oil sealing end difference.

4. according to claim 2 or the 3 described retarders that turn to, it is characterized in that: the polygonal hole of described each backstop double-screw bolt outer end is a hexagon ring, described conjoint disk is the shape of disk, in this conjoint disk exterior edge face with around form wear a plurality of screw locks hole, described groove is provided with a plurality of, and with around and equally spaced form be arranged with in the side face of described detecting pipe.