CN202864780U

CN202864780U - Matching structure of cycloidal gear speed reducer and power source of winching machine

Info

Publication number: CN202864780U
Application number: CN 201220483431
Authority: CN
Inventors: 刘�东
Original assignee: CHANGSHU ELECTRIC CIRCUIT HOIST CO LTD
Current assignee: CHANGSHU ELECTRIC CIRCUIT HOIST CO LTD
Priority date: 2012-09-21
Filing date: 2012-09-21
Publication date: 2013-04-10
Anticipated expiration: 2022-09-21

Abstract

The utility model relates to a matching structure of a cycloidal gear speed reducer and a power source of a winching machine, and belongs to electric power transmission and distribution circuit construction machinery. The winching machine comprises a base plate and a winching plate, the power source comprises a reduction box which is provided with a reduction box final stage power output shaft, the cycloidal gear speed reducer comprises a cam shaft, a shaft plate, a gear ring, a left end cover and a right end cover, wherein the cam shaft is provided with a left cam and a right cam, a left planetary gear and a right planetary gear are respectively arranged on the left cam and the right cam, a cam shaft bearing is arranged in the center of the shaft plate, and a group of gear ring positioning grooves are arranged on the outer wall of the gear ring. The matching structure of the cycloidal gear speed reducer and the power source of the winching machine is characterized in that the right end cover is in a round disk shape, an end cover supporting seat is arranged in the center of the right end cover, a steel wire groove is arranged on the outer wall of the end cover supporting seat, a steel wire is arranged in the groove, an end cover supporting seat and a shielding sleeve are arranged on the outer wall of an output shaft bearing seat, the shielding sleeve is matched with a step, shielding sleeve threads are arranged on the inner wall of the shielding sleeve, and a steel wire guiding-in groove is arranged on the shielding sleeve. A spline and a spline hole are prevented from being abraded, concentricity between the cam shaft and the final stage power output shaft is guaranteed, dust invasion is avoided, and view effect is good.

Description

The Cycloidal Wheel speed reduction gearing of strand grinding machine and the fit structure of propulsion source

Technical field

The utility model belongs to electric power power transmission and transformation line construction technique with the apparatus field, is specifically related to a kind of Cycloidal Wheel speed reduction gearing of grinding machine and fit structure of propulsion source of twisting

Background technology

Above mentioned Cycloidal Wheel speed reduction gearing also claims Cycloidal Wheel differential gear or planetary reducer, on the strand grinding machine of the supporting special facilities of in as electric power power transmission and transformation line construction, maintenance, doing traction, stringing, vertical rod, Li Ta, equipment such as voltage transformer lifting etc., between the propulsion source and strand mill of strand grinding machine, more particularly between the strand mill and propulsion source of strand grinding machine, become slow speed of revolution and pass to the strand mill up to thousands of and even thousands of rotating speeds that turn by its per minute with propulsion source (usually using spark ignition engine or similar power).

Technical information about the strand grinding machine can be seen in disclosed Chinese patent literature, slightly with exemplify such as Granted publication CN201171618Y(strand grinding machine), publication No. CN102249164A(maneuvering milling machine＜application that is proposed by the applicant and authorized 〉), the CN201180071Y(hand steered dual-grind barrel capstan machine), CN201545644U(hydraulic milling machine) and the portable strand grinding machine of CN202390133U(), etc.

The strand grinding machine that is not limited to exemplify above is all not supporting exceptionally a Cycloidal Wheel speed reduction gearing, the Cycloidal Wheel speed reduction gearing can be seen in disclosed Chinese patent literature equally, " twisting the box of tricks of grinding machine " that " box of tricks of strand grinding machine " that typical as Granted publication that proposed by the applicant number is recommended for CN2848809Y and CN201012886Y provide.

As the industry's knowledge of the reason, strand mill, Cycloidal Wheel speed reduction gearing and propulsion source are installed on the chassis, and wherein, the Cycloidal Wheel speed reduction gearing is positioned at the middle part on chassis, and the strand mill is positioned at an end on chassis, and propulsion source is positioned at the other end on chassis.Theoretically, drop-gear box final stage power take-off shaft as the drop-gear box of propulsion source is concentric with the camshaft of Cycloidal Wheel speed reduction gearing, but in the manufacturing and installation process of reality, because the horizontality of the length direction on chassis unavoidably there are differences, that is to say, utilize consummate again equipment processing and by means of harsh processing technology, objectively also can't eliminate the levelness difference on chassis even if be.Besides the bottom of the left and right sides end cap of the bottom of drop-gear box and Cycloidal Wheel speed reduction gearing exists too just as to the described horizontal base difference in chassis, therefore the concentricity of the drop-gear box final stage power take-off shaft of drop-gear box and aforementioned camshaft often is difficult to satisfy the degree to expectation, again because drop-gear box final stage power take-off shaft is to be connected by realization key in the splined hole of the insertion of the spline on it camshaft, therefore because concentricity difference between the two can cause aforesaid spline and/or splined hole wearing and tearing, make the power of propulsion source be difficult to pass to the strand mill by the Cycloidal Wheel speed reduction gearing.Present handling can only be changed drop-gear box final stage power take-off shaft and/or camshaft, thereby has both affected the normal use of strand grinding machine, causes again cost to increase.

Except above-mentioned drawback, owing to lack the measure of protecting of covering between the end cap of drop-gear box and Cycloidal Wheel speed reduction gearing, therefore extraneous trifle in the world can pollute the bearing generation that is used for supporting drop-gear box final stage power take-off shaft on the one hand, extraneous trifle in the world can be attacked the splined hole of camshaft on the other hand, the effect of losing one's dignity on the one hand again.

In view of above-mentioned prior art, the applicant makes a useful improvement, and taking to have made analogue test in the applicant plant area under the strict secrecy provision, it is practicable that the result proves, and technical scheme described below produces under this background

Summary of the invention

Task of the present utility model is to provide the concentricity between the camshaft of a kind of drop-gear box final stage power take-off shaft of the drop-gear box that helps to ensure propulsion source and Cycloidal Wheel speed reduction gearing and uses and avoid in use undermining spline and splined hole, be conducive to play the covering the effect protected of matching part of drop-gear box and Cycloidal Wheel speed reduction gearing used and avoid being subjected to extraneous trifle in the world invasion and attack and embody the Cycloidal Wheel speed reduction gearing of strand grinding machine of good integral body sight effect and the fit structure of propulsion source.

Task of the present utility model is finished like this, a kind of Cycloidal Wheel speed reduction gearing of grinding machine and fit structure of propulsion source of twisting, described strand grinding machine comprises the chassis and corresponding to the strand mill of chassis left end, described propulsion source comprises drop-gear box, drop-gear box has a drop-gear box final stage power take-off shaft, this drop-gear box final stage power take-off shaft is bearing in drop-gear box rotationally on the tank wall of a side of described Cycloidal Wheel speed reduction gearing, and being stretched over the outer and Cycloidal Wheel speed reduction gearing of tank wall is in transmission connection, described Cycloidal Wheel speed reduction gearing comprises: be used for the camshaft that the drop-gear box final stage power take-off shaft with described drop-gear box is in transmission connection, in this camshaft formation one left cam and a right cam are arranged, left, the projection direction of right cam is opposite, on left cam, be provided with rotationally a left lateral star gear by left lateral star gear-bearing, and on right cam, be provided with rotationally a right lateral star gear by right lateral star gear-bearing; One reel, the central authorities of this reel are provided with a bearing of camshaft, described camshaft matches with bearing of camshaft towards an end of reel, reel is extended with hank mill adapter shaft towards a side of described strand mill and the middle position that is positioned at this side, and reel towards a described left side a planetary side and be extended with one group of planetary wheel fitted shaft with the interval state around the circumferencial direction of this side, described left and right planetary wheel all is nested with rotationally on this group of planetary wheel fitted shaft; Have the gear ring chamber and consist of the gear ring that the gear ring tooth is arranged at the chamber of gear cavity wall, on the outer wall of gear ring and with the interval state, consist of one group of gear ring positioning groove is arranged, described reel, left lateral star gear and right lateral star gear are positioned at described gear ring chamber, and left lateral star gear and right lateral star gear are meshed with described gear ring tooth; One left end cap and a right end cap, has an end cap support foot in the bottom of left end cap, the end cap support foot is bearing on the described chassis, left, right end cap connection fixed to one another and while limit described gear ring in the position corresponding to the gear ring positioning groove, wherein: left end cap is positioned at the left side of described gear ring, left accent sealing to described gear ring chamber, and right end cap is positioned at the right side of gear ring, right accent sealing to the gear ring chamber, described strand mill adapter shaft is bearing in rotationally on the left end cap and stretches out left end cap and is connected with described strand mill, described drop-gear box final stage power take-off shaft is bearing on the output shaft bearing seat that is fixed on the tank wall rotationally by clutch shaft bearing, and this output shaft bearing seat position on tank wall is towards a side of described right end cap, be characterised in that: the shape of described right end cap is disc, consisting of towards the middle position of described output shaft bearing seat one side at this right end cap has an end cap supporting base that is projected on the surface of right end cap, on the outer wall of this end cap supporting base and around the circumferencial direction of outer wall, consist of a steel wire trough is arranged, in this steel wire trough, be provided with a steel wire, the surface of this steel wire leans out steel wire trough, consisting of on the outer wall of described output shaft bearing seat and around the circumferencial direction of output shaft bearing seat has an end cap supporting base step and to cover sheath to cooperate step, described end cap supporting base matches with end cap supporting base step, and the end cap supporting base with cover sheath and cooperate and be provided with one between the step and cover sheath, covering sheath at this offers a steel wire towards the inwall of end cap supporting base one side and probes into groove, described steel wire probes into this steel wire and probes in the groove, and be provided with and cover the sheath screw thread covering the inwall of sheath towards described output shaft bearing seat one side, this covers the sheath screw thread and cooperates the step screw thread to fix with the described sheath that covers, and offer one and be used for described steel wire is introduced steel wire lead-in groove in the steel wire trough covering sheath, this steel wire lead-in groove probes into groove with steel wire and communicates.

In a specific embodiment of the present utility model, right end cap has a gear ring to cooperate boss towards the side formation of described gear ring, and the position of the right accent in the described gear ring chamber of gear ring formation has a cavity, and described gear ring cooperates boss to match with cavity.

In another specific embodiment of the present utility model, described camshaft holds on described output shaft bearing seat by the second bearing rotation twelve Earthly Branches towards an end of described drop-gear box final stage power take-off shaft, and towards the axial central authorities formation of drop-gear box final stage power take-off shaft one end splined hole is arranged at camshaft, and drop-gear box final stage power take-off shaft consists of on the axis body of an end of camshaft spline arranged, and spline matches with splined hole.

In another specific embodiment of the present utility model, on described left lateral star gear and in the position corresponding to described planetary wheel fitted shaft, offer one group of first planetary wheel cooperation axis hole with the interval state, cooperate axis hole, described planetary wheel fitted shaft to insert in the first planetary wheel cooperation axis hole and the second planetary wheel cooperation axis hole and on described right lateral star gear and in the position corresponding to the first planetary wheel cooperation axis hole, offer quantity with the second planetary wheel that the first planetary wheel cooperates axis hole to equate.

In another specific embodiment of the present utility model, in described strand mill adapter shaft formation strand mill adapter shaft spline is arranged, and offer hank mill splined hole in the central authorities of the length direction of described strand mill, strand mill adapter shaft spline with twist the mill splined hole and match.

Also have in the specific embodiment of the present utility model, described left end cap comprises the first plate, the first pipe fitting, the second plate, the second pipe fitting and the 3rd plate, the left end of the first plate and the first pipe fitting is welded and fixed, the right-hand member of the first pipe fitting and the second plate are welded and fixed, the left end of the second pipe fitting and the second plate are welded and fixed, and the right-hand member of the second pipe fitting and the 3rd plate are welded and fixed, wherein: the diameter of the first plate equates with the external diameter of the first pipe fitting, the diameter of the second plate equates with the external diameter of the second pipe fitting, and the diameter of the 3rd plate is greater than the diameter of the second plate, and the diameter of the second plate is greater than the diameter of the first plate, described right end cap is captiveed joint with the 3rd plate, in described the first pipe fitting tube chamber, be provided with a pair twist mill adapter shaft block bearing, described strand mill adapter shaft is bearing on the strand mill adapter shaft block bearing rotationally, and described end cap support foot is fixed on described the 3rd plate.

More of the present utility model and in specific embodiment, the diameter of described the 3rd plate and the equal diameters of described right end cap.

In of the present utility model and then specific embodiment, circumferencial direction at described the 3rd plate offers one group of first screw hole with the interval state, be equipped with the end cap fix screw at each first screw hole, offer one group of second screw hole that quantity equates with the quantity of the first screw hole on described right end cap and in the position corresponding to the first screw hole, described end cap fix screw passes the second screw hole and is limited by nut.

The technical scheme that the utility model provides is owing to have the end cap supporting base at right end cap towards the middle position formation of drop-gear box one side, and end cap supporting base step is arranged and cover sheath cooperation step in output shaft bearing seat formation, after the end cap supporting base is supported on the end cap supporting base step, the concentricity of left and right end cap is guaranteed, and then the concentricity of camshaft and drop-gear box final stage power take-off shaft is protected, help to make spline on the drop-gear box final stage power take-off shaft and the splined hole protected from wear of camshaft; Owing between end cap supporting base and output shaft bearing seat, be provided with and cover sheath, thereby fully ensure concentricity between camshaft and the drop-gear box final stage power take-off shaft by covering sheath, play simultaneously and stop extraneous trifle in the world to be attacked and embodiment sight effect on the whole.

Description of drawings

Fig. 1 is example structure figure of the present utility model.

Fig. 2 is the cutaway view of Fig. 1.

The specific embodiment

For the inspector that the makes Patent Office especially public can be expressly understood technical spirit of the present utility model and beneficial effect more, the applicant general elaborates in the mode of embodiment below, but all be not restriction to the utility model scheme to the description of embodiment, any according to the utility model design done only for pro forma but not substantial equivalent transformation all should be considered as the technical solution of the utility model category.

See also Fig. 1 and Fig. 2, provided a cuboid and be the chassis 1 of frame-like structure, the effect that is opened in the One On The Chassis chassis screw hole 11 is fixing with it for signal drop-gear box 3 in the drawings, and supply not shown propulsion source such as spark ignition engine to install, although propulsion source is not shown in the drawings, can be fully understood by the reading to the CN2853745Y, the CN201012886Y that mention in the background technology and CN2848809Y etc.

In the following description, every relate to left and right and so on directivity or claim the directionality concept all be according at present by location status illustrated in figures 1 and 2, therefore can not be whereby and restriction the utility model scheme.Strand mill 2 is positioned at the left end on chassis 1, and drop-gear box 3 is positioned at the right-hand member on chassis 1, and Cycloidal Wheel speed reduction gearing of the present utility model is between strand mill 2 and drop-gear box 3.

In the axial central authorities of strand mill 2 or claim the central authorities of the length direction of strand mill 2 to offer hank mill splined hole 21.The drop-gear box final stage power take-off shaft 31 of drop-gear box 3 is bearing in drop-gear box 3 rotationally on the tank wall 32 of Cycloidal Wheel speed reduction gearing one side, specifically: the outer wall at tank wall 32 is screwed an output shaft bearing seat 321, drop-gear box final stage power take-off shaft 31 supports on the output shaft bearing seat 321 rotationally by clutch shaft bearing 311, and be stretched over outside the output shaft bearing seat 321, consisting of at this axis body that stretches out the drop-gear box final stage power take-off shaft 31 of output shaft bearing seat 321 has spline 312.Shown in figure, there is an end cap supporting base step 3211 and to cover sheath in output shaft bearing seat 321 formations and cooperates step 3212.

The below elaborates to the structure of the Cycloidal Wheel speed reduction gearing that the utility model provides, left end formation at the camshaft 4 that illustrates has a left cam 41, and the right-hand member formation has a right cam 42, left and right cam 41,42 protruding on the contrary, on left cam 41, be provided with a left lateral star gear 411 by left lateral star gear-bearing 4111, and on left lateral star gear 411, offer one group of (present embodiment as six, but not restricted by this quantity) first planetary wheel take the equidistant intervals state and cooperate axis hole 412; On right cam 42, be provided with a right lateral star gear 421 by right lateral star gear-bearing 4211, and on right lateral star gear 421, cooperating the position of axis hole 412 to offer the second planetary wheel cooperation axis hole 422 that quantity equates with the first planetary wheel cooperation axis hole 412 corresponding to the first planetary wheel.The right-hand member of camshaft 4 namely is bearing on the output shaft bearing seat 321 by the second bearing 43 rotationally towards an end of aforesaid drop-gear box final stage power take-off shaft 31, and offer a splined hole 44 in the axial central authorities of camshaft 4 or the central authorities of title length direction, when aforesaid spline 312 inserts splined hole 44 when interior, can realize that just camshaft 4 and the drop-gear box final stage power take-off shaft 31 of drop-gear box 3 are in transmission connection.

Central authorities at the reel 5 that provides are provided with a bearing of camshaft 51, the right-hand member of aforesaid camshaft 4 namely cooperates with bearing of camshaft 51 towards an end of reel 5, namely be extended with hank mill adapter shaft 52 towards the middle position of a side of strand mill 2 in reel 5 left sides, in these strand mill adapter shaft 52 formations strand mill adapter shaft spline 521 is arranged, strand mill adapter shaft spline 521 is in transmission connection with aforesaid strand mill splined hole 21, and strand mill adapter shaft 52 is bearing on the support 12 that is fixed in chassis 1 left end (Fig. 2 shows) rotationally by block bearing 522 after passing strand mill 2.Be extended with one group planetary wheel fitted shaft 53 towards a side of left lateral star gear 411 and around the circumferencial direction of reel 5 with equidistant interval state at reel 5, and be arranged with axle sleeve 531 in each planetary wheel fitted shaft 53.Mention owing to top, one group of first, second planetary wheel cooperates axis hole 412,422 quantity respectively to be six, therefore the quantity of one group of planetary wheel fitted shaft 53 also is six, each planetary wheel fitted shaft 53 is passed successively the first planetary wheel together with axle sleeve 531 and is cooperated axis hole 412 and the second planetary wheel to cooperate axis hole 422, thereby drives reel 5 rotations by first, second planetary wheel 411,421 rotation.

The gear ring 6 that provides has a gear ring chamber 61, consisting of (being on the wall of chamber) on the inwall in gear ring chamber 61 and around the circumferencial direction of inwall has gear ring tooth 611, aforesaid left and right planetary wheel 411,421 to be positioned at gear ring chamber 61 and all is meshed with gear ring tooth 611.Shown in figure, consisting of at the position of the right accent in the gear ring chamber 61 of gear ring 6 has a cavity 612, and the position of the left accent in gear ring chamber 61 consists of and has one to cooperate boss chamber 613, is provided with one group of gear ring positioning groove 63 with the equidistant intervals state on the outer wall of gear ring 6.

Please see Fig. 2 by emphasis, and continue in conjunction with Fig. 1, provided by plate and pipe fitting and mutually made up and the left end cap 7 that consists of, this left end cap 7 comprises the first plate 71, the first pipe fitting 72, the second plate 73, the second pipe fitting 74 and the 3rd plate 75, the first plate 71 is the disc steel plate, by the left end solid welding of welding manner with the first pipe fitting 72 of being filled the post of by steel pipe, the right-hand member of the first pipe fitting 72 and the second plate 73 are welded and fixed, the second plate 73 is disc shaped steel plate, the second pipe fitting 74 is steel pipe, the left end of this second pipe fitting 74 and the second plate 73 are welded and fixed, and right-hand member and the 3rd plate 75 are welded and fixed, and the 3rd plate 75 is disc shaped steel plate.

The diameter of aforesaid the first plate 71 equates with the external diameter of the first pipe fitting 72, the diameter of the second plate 73 equates with the external diameter of the second pipe fitting 74, and the diameter of the 3rd plate 75 is greater than the diameter of the second plate 73, and the diameter of the second plate 73 is greater than the diameter of the first plate 71, thereby make left end cap 7 have two steps, first step is formed by the first pipe fitting 72 in fact, and second step is formed by the second pipe fitting 74, and the diameter of left end cap 7 is enlarged from left to right gradually.Wherein: the diameter of the 3rd plate 75 is identical with the diameter of the following right end cap that also will describe 8.By shown in Figure 2, in the tube chamber of the first pipe fitting 72, be provided with a pair twist mill adapter shaft block bearing 721, aforesaid strand mill adapter shaft 52 is bearing on the strand mill adapter shaft block bearing 721 rotationally.Again, on the 3rd plate 75 and around the circumferencial direction of the 3rd plate 75, offer one group of first screw hole 751 with the interval state, set (plugging) end cap fix screw 7511 at each first screw hole 751.And, towards a side of aforesaid gear ring 6 and in the position formation corresponding to cooperation boss chamber 613 one gear ring base step 752 being arranged at the 3rd plate 75, gear ring base step 752 cooperatively interacts with cooperating boss chamber 613.Also, there is an end cap support foot 76 at 1 position with the welding manner solid welding towards the chassis at the 3rd plate 75, and this end cap support foot 76 is fixed on the security strip 761, and security strip 761 usefulness tightening screws 7611 are fixing with aforesaid chassis screw hole 11.

By above-mentioned description to left end cap 7 as can be known, whole left end cap 7 obtains by can manufacturing in fact, specifically, mutually constituted by first, second pipe fitting 72,74 and first, second, third plate 71,73,75, with regard to intensity, be significantly higher than the aluminium alloy castings of prior art, with regard to sealing property, because there not being the situation of pore, sand holes and so on, therefore in use can not producing and not wish fluid (lubricating oil) Seepage that occurs.

The shape of the right end cap 8 that provides is the shape of disc, and be flat disc, it is taken on by steel plate, this right end cap 8 consists of towards a side (left side) of aforementioned gear ring 6 and in the position corresponding to cavity 612 has a gear ring to cooperate boss 81, gear ring cooperates boss 81 to match with cavity 612, and the middle position on the right side of right end cap 8 is extended with an end cap supporting base 82 that is projected on the surface of right end cap 8, this end cap supporting base 82 is supported on the aforesaid end cap supporting base step 3211, and the outer wall at end cap supporting base 82 offers a steel wire trough 821, be provided with a steel wire 8211 in steel wire trough 821, this steel wire 8211 is slightly to lean out steel wire trough 821.Offer the second screw hole 83 that quantity equates with the first screw hole 751 in the edge of right end cap 8 and in the position corresponding to aforesaid the first screw hole 751, aforesaid end cap fix screw 7511 passes the second screw hole 83 and limits with nut 75111.Thereby by left and right end cap 7,8 cooperation sealing is implemented in the gear ring chamber 61 of gear ring 6.According to common practise, all use gear ring seal ring 62(Fig. 2 to show at the matching part of left end cap 7 and gear ring 6 and at the matching part of right end cap 8 and gear ring 6).Again, aforesaid end cap fix screw 7511 probes into 6 restrictions of 63 pairs of gear rings of aforesaid gear ring positioning groove.

The technical scheme that the utility model provides cooperates boss 81 and covers sheath and cooperate and be equipped with one between the step 3212 and cover sheath 9 at aforesaid gear ring, specifically: cooperate the inwall of boss 81 1 sides to offer a steel wire 8211 towards gear ring to probe into groove 91 covering sheath 9, aforesaid steel wire 8211 probes in the groove 91, makes gear ring cooperate boss 81 and cover sheath 9 to form slip cooperating relationships; Consist of towards the inwall that covers sheath and cooperate step 3,212 one sides the sheath of covering screw thread 92 is arranged covering sheath 9, this covers sheath screw thread 92 and covers sheath and cooperate the screw thread on the step 3212 to match, and covers that sheath 9 is realized and output shaft bearing seat 321 fixes thereby make.By the structure of right end cap 8 as can be known, need not to rely on feet with respect to prior art and prop up and be on the chassis 1, but both economical with materials can be promoted installation rate again.

Probe in the groove 91 with steel wire for the ease of making steel wire 8211 introduce steel wire troughs 821, therefore offer the steel wire lead-in groove 93 that a length is preferably 1-3 ㎝ covering sheath 9, this steel wire lead-in groove 93 probes into groove 91 with steel wire and communicates.

In the use procedure of reality, especially in manufacturing process, even if there is extremely little vast difference in the planeness on chassis 1, so after drop-gear box 3 is installed on the chassis 1, horizontality between the spline 312 of the drop-gear box final stage power take-off shaft 31 of drop-gear box 3 and the splined hole 44 of camshaft 4 is that cooperate degree can be affected, so in use serious wear phenomenon (industry claims to collapse tooth) can appear in splined hole 44, even can make splined hole 44 gradually wear and tear into unthreaded hole, cause the power of drop-gear box 3 to transmit by camshaft 4.And the utility model scheme is covered sheath 9 by setting and the gear ring of right end cap 8 is cooperated is kept concentric between boss 81 and the output shaft bearing seat 321, uses the concentricity of guaranteeing drop-gear box final stage power take-off shaft 31 and camshaft 4, avoids undermining splined hole 44.Through the contrast test of the applicant under secrecy provision, because the setting of covering sheath 9 makes the life-span of the splined hole 44 of camshaft 4 (prolong service life more than 4 times) more than 4 times than the prior art raising.In addition, cover sheath 9 and also can play integral body sight effect and the dust-proof effect that makes between drop-gear box 3 and the right end cap 8.

When propulsion source as the aforementioned spark ignition engine with transmission of power to drop-gear box 3 after, spline 312 by drop-gear box final stage power take-off shaft 31 drives camshaft 4, because left and right planetary wheel 411,421 is separately positioned on the left and right cam 41,42, so enclose when camshaft 4 rotates one, so left and right planetary wheel 411,421 just turns over a tooth position.Because reel 5 matches with left and right planetary wheel 411,421 by one group of planetary wheel fitted shaft 53 on it, again because gear ring 6 is spacing by end cap fix screw 7511 by the gear ring positioning groove 63 on its outer wall, be that gear ring 6 remains static, therefore left and right planetary wheel 411,421 centers on gear ring tooth 611 revolutions in the gear ring chamber 61 of gear ring 6, drives simultaneously tooth position of reel 5 revolutions.Therefore twist just slow circumvolve of mill 2 because the strand of reel 5 mill adapter shaft 52 is connected with strand mill 2, export thereby realization becomes low velocity with the high-speed revolution of drop-gear box 3.

In sum, the technical scheme that the utility model provides has remedied the shortcoming in the prior art objectively, has finished the invention task, and which has embodied the technique effect described in the superincumbent technique effect hurdle on the spot

Claims

1. A kind of Cycloidal Wheel speed reduction gearing of grinding machine and fit structure of propulsion source of twisting, described strand grinding machine comprises chassis (1) and corresponding to the strand mill (2) of chassis left end, described propulsion source comprises drop-gear box (3), drop-gear box (3) has a drop-gear box final stage power take-off shaft (31), this drop-gear box final stage power take-off shaft (31) is bearing in drop-gear box (3) rotationally on the tank wall (32) of a side of described Cycloidal Wheel speed reduction gearing, and being stretched over the outer and Cycloidal Wheel speed reduction gearing of tank wall (32) is in transmission connection, described Cycloidal Wheel speed reduction gearing comprises: be used for the camshaft (4) that the drop-gear box final stage power take-off shaft (31) with described drop-gear box (3) is in transmission connection, in this camshaft (4) formation one left cam (41) and a right cam (42) are arranged, left, right cam (41,42) projection direction is opposite, be provided with rotationally a left lateral star gear (411) at left cam (41) by left lateral star gear-bearing (4111), and be provided with rotationally a right lateral star gear (421) at right cam (42) by right lateral star gear-bearing (4211); One reel (5), the central authorities of this reel (5) are provided with a bearing of camshaft (51), described camshaft (4) matches with bearing of camshaft (51) towards an end of reel (5), reel (5) is extended with hank mill adapter shaft (52) towards a side of described strand mill (2) and the middle position that is positioned at this side, and reel (5) is extended with one group of planetary wheel fitted shaft (53) with the interval state, a described left side towards a side of described left lateral star gear (411) and around the circumferencial direction of this side, right lateral star gear (411,421) all be nested with rotationally on this one group of planetary wheel fitted shaft (53); Have gear ring chamber (61) and consist of the gear ring (6) that gear ring tooth (611) is arranged at the chamber of gear cavity (61) wall, on the outer wall of gear ring (6) and with the interval state, consist of one group of gear ring positioning groove (63) is arranged, described reel (5), left lateral star gear (411) and right lateral star gear (421) are positioned at described gear ring chamber (61), and left lateral star gear (411) and right lateral star gear (421) are meshed with described gear ring tooth (611); One left end cap (7) and a right end cap (8), has an end cap support foot (76) in the bottom of left end cap (7), end cap support foot (76) is bearing on the described chassis (1), left, right end cap (7,8) connection fixed to one another and while limit described gear ring (6) in the position corresponding to gear ring positioning groove (63), wherein: left end cap is positioned at the left side of described gear ring (6), left accent sealing to described gear ring chamber (61), and right end cap (8) is positioned at the right side of gear ring (6), right accent sealing to gear ring chamber (61), described strand mill adapter shaft (52) is bearing in rotationally left end cap (7) upward and stretches out left end cap (7) and is connected with described strand mill (2), described drop-gear box final stage power take-off shaft (31) is bearing on the output shaft bearing seat (321) that is fixed on the tank wall (32) rotationally by clutch shaft bearing (311), and this output shaft bearing seat (321) position on tank wall (32) is towards a side of described right end cap (8), it is characterized in that: the shape of described right end cap (8) is disc, consisting of towards the middle position of described output shaft bearing seat (321) one sides at this right end cap (8) has an end cap supporting base (82) that is projected on the surface of right end cap (8), on the outer wall of this end cap supporting base (82) and around the circumferencial direction of outer wall, consist of a steel wire trough (821) is arranged, in this steel wire trough (821), be provided with a steel wire (8211), the surface of this steel wire (8211) leans out steel wire trough (821), consisting of on the outer wall of described output shaft bearing seat (321) and around the circumferencial direction of output shaft bearing seat (321) has an end cap supporting base step (3211) and to cover sheath cooperation step (3212), described end cap supporting base (82) matches with end cap supporting base step (3211), and end cap supporting base (82) with cover sheath and cooperate and be provided with one between the step (3212) and cover sheath (9), covering sheath (9) at this offers a steel wire towards the inwall of end cap supporting base (82) one sides and probes into groove (91), described steel wire (8211) probes into this steel wire and probes in the groove (91), and be provided with and cover sheath screw thread (92) covering the inwall of sheath (9) towards described output shaft bearing seat (321) one sides, this covers sheath screw thread (92) and cooperates step (3212) screw thread to fix with the described sheath that covers, and offer one and be used for described steel wire (8211) is introduced steel wire lead-in groove (93) in the steel wire trough (821) covering sheath (9), this steel wire lead-in groove (93) probes into groove (91) with steel wire and communicates.

2. The Cycloidal Wheel speed reduction gearing of strand grinding machine according to claim 1 and the fit structure of propulsion source, it is characterized in that right end cap (8) has a gear ring to cooperate boss (81) towards the side formation of described gear ring (6), and the position of the right accent in the described gear ring chamber (61) of gear ring (6) formation has a cavity (612), and described gear ring cooperates boss (81) to match with cavity (612).

3. The Cycloidal Wheel speed reduction gearing of strand grinding machine according to claim 1 and the fit structure of propulsion source, it is characterized in that described camshaft (4) is bearing on the described output shaft bearing seat (321) by the second bearing (43) rotationally towards an end of described drop-gear box final stage power take-off shaft (31), and towards the axial central authorities formation of drop-gear box final stage power take-off shaft (31) one ends splined hole (44) is arranged at camshaft (4), and drop-gear box final stage power take-off shaft (31) consists of on the axis body of an end of camshaft (4) spline (312) arranged, and spline (312) matches with splined hole (44).

4. The Cycloidal Wheel speed reduction gearing of the strand grinding machine of strand grinding machine according to claim 1 and the fit structure of propulsion source, it is characterized in that upper at described left lateral star gear (411) and offer one group of first planetary wheel in the position corresponding to described planetary wheel fitted shaft (53) with the interval state cooperating axis hole (412), and upward and in the position corresponding to the first planetary wheel cooperation axis hole (412) offering the second planetary wheel cooperation axis hole (422) that quantity equates with the first planetary wheel cooperation axis hole (412) at described right lateral star gear (421), described planetary wheel fitted shaft (53) is inserted in the first planetary wheel cooperation axis hole (412) and the second planetary wheel cooperation axis hole (422).

5. The Cycloidal Wheel speed reduction gearing of strand grinding machine according to claim 1 and the fit structure of propulsion source, it is characterized in that in described strand mill adapter shaft (52) formation strand mill adapter shaft spline (521) being arranged, and offer hank mill splined hole (21) in the central authorities of the length direction of described strand mill (2), strand mill adapter shaft spline (521) with twist mill splined hole (21) and match.

6. The Cycloidal Wheel speed reduction gearing of the strand grinding machine of strand grinding machine according to claim 1 and the fit structure of propulsion source, it is characterized in that described left end cap (7) comprises the first plate (71), the first pipe fitting (72), the second plate (73), the second pipe fitting (74) and the 3rd plate (75), the first plate (71) is welded and fixed with the left end of the first pipe fitting (72), the right-hand member of the first pipe fitting (72) and the second plate (73) are welded and fixed, the left end of the second pipe fitting (74) and the second plate (73) are welded and fixed, and the right-hand member of the second pipe fitting (74) and the 3rd plate (75) are welded and fixed, wherein: the diameter of the first plate (71) equates with the external diameter of the first pipe fitting (72), the diameter of the second plate (73) equates with the external diameter of the second pipe fitting (74), and the diameter of the 3rd plate (75) is greater than the diameter of the second plate (73), and the diameter of the second plate (73) is greater than the diameter of the first plate (71), described right end cap (8) is captiveed joint with the 3rd plate (75), in described the first pipe fitting (72) tube chamber, be provided with a pair twist mill adapter shaft block bearing (721), described strand mill adapter shaft (52) is bearing on the strand mill adapter shaft block bearing (721) rotationally, and described end cap support foot (76) is fixed on described the 3rd plate (75).

7. The Cycloidal Wheel speed reduction gearing of strand grinding machine according to claim 6 and the fit structure of propulsion source is characterized in that the equal diameters of diameter and the described right end cap (8) of described the 3rd plate (75).

8. According to claim 6 or the Cycloidal Wheel speed reduction gearing of 7 described strand grinding machines and the fit structure of propulsion source, it is characterized in that offering one group of first screw hole (751) at the circumferencial direction of described the 3rd plate (75) with the interval state, be equipped with end cap fix screw (7511) at each first screw hole (751), upward and in the position corresponding to the first screw hole (751) offer one group of second screw hole (83) that quantity equates with the quantity of the first screw hole (751) at described right end cap (8), described end cap fix screw (7511) passes the second screw hole (83) and is limited by nut (75111)