CN106195040A - A kind of long flexible universal drive shaft - Google Patents
A kind of long flexible universal drive shaft Download PDFInfo
- Publication number
- CN106195040A CN106195040A CN201610744888.9A CN201610744888A CN106195040A CN 106195040 A CN106195040 A CN 106195040A CN 201610744888 A CN201610744888 A CN 201610744888A CN 106195040 A CN106195040 A CN 106195040A
- Authority
- CN
- China
- Prior art keywords
- spline housing
- drive shaft
- universal drive
- spline
- balance weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/26—Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slidably connected
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2200/00—Materials; Production methods therefor
- F16D2200/0004—Materials; Production methods therefor metallic
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The invention discloses a kind of long flexible universal drive shaft.The flexible universal drive shaft of this length includes spline housing group, spline in being located at spline housing group and outside splined shaft, and be arranged on the compensating groove on spline housing group and splined shaft, spline housing group includes spline housing, and be located by connecting by seam with spline housing arrange jaw, dumpling drilling bolt, nut.The present invention is under the mating reaction that spline housing and splined shaft pass through spline, it is achieved that the moment of torsion transmission of the long stroke of Hooks coupling universal coupling SWP type, and under the regulation effect of balance weight, it is achieved that universal drive shaft also can guarantee that its dynamic equilibrium when long stroke transmission moment of torsion.
Description
Technical field
The invention belongs to Hooks coupling universal coupling technical field, be specifically related to a kind of long flexible universal drive shaft.
Background technology
Universal coupling with spider is a kind of general transmission basic part, it be mainly characterized by connecting not with
Two drive shaft system of one axis, and can reliably transmit moment of torsion and motion, there is bearing capacity high, service life is long, and operating is flat
Surely, noiselessness, the advantages such as nose balance amount is big, and maintaining is simple.
Universal-joint-pin type universal axle shaft coupling has SWP type (Split bearing pedestal) by its bearing fixed form, and SWZ type is (overall
Bearing block), four kinds of SWC type (integral) and SWB type (half fork).Work out in China's SWP type, SWC type, SWZ type
Industry standard, defines Virtual production, achieves good economic benefit and social benefit.
And the stroke of existing SWP type universal coupling with spider can not meet growing industrial requirements,
Even if when meeting its stroke, also being difficult to reach dynamic equilibrium when transmitting torque, will waste large losses power, moment of torsion passes
Pass efficiency low.
Summary of the invention
Present invention aims to the deficiencies in the prior art, it is provided that a kind of long flexible universal drive shaft, to solve existing SWP
Type universal drive shaft stroke is not enough and the problem of dynamic equilibrium difference during long stroke.
For reaching above-mentioned purpose, the present invention adopts the technical scheme that:
A kind of long flexible universal drive shaft, including spline housing group, is located at the splined shaft in spline housing group, and be arranged on spline housing group and
Compensating groove on splined shaft, spline housing group includes spline housing, and is located by connecting the jaw arranged by seam with spline.
Preferably, splined shaft and spline housing are all connected with cross bag.
Preferably, cross bag also with Flange joint.
Preferably, spline housing group also includes the nut for positioning spline and jaw, loosens pad and dumpling drilling spiral shell
Bolt.
Preferably, some balance weights it are provided with in compensating groove.
Preferably, balance weight includes fixing the left balance weight of connection and right balance weight by screw.
Preferably, compensating groove 0.4mm-0.6mm bigger than balance weight width.
Preferably, splined shaft, spline housing material are steel alloy.
The length that the present invention provides is stretched universal drive shaft, has the advantages that
(1) long stroke: spline housing group includes spline housing, and be located by connecting the jaw arranged by seam with spline housing, flower
Key set group uses combinative structure, and spline housing intracavity diameter is more than spline external diameter, which increases spline flexible in spline housing
Space, the stroke L portion in spline housing group is as cavity length, and without spline in L length, its stroke L is SWP type
(JB3241-2005) 2-3 times of the big flexible elongated-F stroke in.
(2) transfer strength is stable: jaw and spline housing seam location in spline housing group, and presses with hinged bolts location
Tightly, in the case of spline housing lengthens, so can guarantee that transfer strength equally, improve positioning precision and the reliability of transmission moment of torsion,
There is dismounting, advantage easy to maintenance simultaneously.
(3) balance quality is high: splined shaft, spline housing are got on the bus compensating groove processed, install balance weight additional rather than adopt on compensating groove
By welding manner adjustment precision, by select Different Weight and quantity balance weight, can wanting according to balance quality
Asking and the most accurately adjust, it is to avoid the balance mode that welding type balance weight is extensive, dynamic balance accuracy is higher, and grade is up to G2.5, same
Time can avoid the hidden danger of quality that welding stress and weld crack produce.
(4) the conditioned process of universal drive shaft spline housing, overall mechanical properties is good, and splined shaft processes through high-frequency quenching and guarantees have relatively
High hardness and intensity.
(5) universal drive shaft connecting bolt all uses more than 10 grades high intensity standard bolts, and safety is good.
(6) universal drive shaft major part nut, loosen pad and dumpling drilling bolt all uses forging part, volume is little, weight
Amount is light, and intensity is high.
Accompanying drawing explanation
Fig. 1 is long flexible universal shaft structure schematic diagram.
Fig. 2 is long flexible universal shaft structure schematic diagram spline housing profile.
Fig. 3 is long flexible universal drive shaft stroke structural representation.
Fig. 4 is long flexible universal drive shaft spline housing group structural representation.
Fig. 5 is long flexible universal drive shaft dynamic equilibrium shelf structure schematic diagram.
Fig. 6 is long flexible universal drive shaft balance block structure partial structurtes schematic diagram.
Fig. 7 is long flexible universal drive shaft balance weight A-A partial enlarged drawing.
Fig. 8 is long flexible universal drive shaft balance block structure schematic diagram.
Wherein, 1, spline housing group；2, balance weight；3, splined shaft；4, cross bag；5, flange；6, compensating groove；7, spline housing；
8, spline；9, end cap；10, jaw；11, nut；12, check washer；13, dumpling bolt；14, the strong point；15, dynamic balancing machine is defeated
Enter axle；16, dynamic balancing frame；17, left balance weight；18, right balance weight；19, screw.
Detailed description of the invention
Below in conjunction with the accompanying drawings the embodiment of technical scheme is described in detail:
An embodiment according to the application, as it is shown in figure 1, the length that this programme is provided is stretched, universal drive shaft includes spline housing group 1,
The splined shaft 3 being sheathed in spline housing group 1 and spline 8, and it is arranged on the compensating groove 6 on spline housing group 1 and splined shaft 3；Institute
State spline 8 to be also sheathed on outside splined shaft 3；Described spline housing group 1 includes spline housing 7, and is connected by seam location with spline housing 7
Connect the jaw 10 of setting.
Splined shaft 3 and spline housing 7 are all connected with cross axle on cross bag 4, and on cross bag 4, cross axle is also connected with flange 5,
Play and connect fixing effect.
As shown in Figure 4, in spline housing group 1, spline housing 7 and jaw 10 seam position, and coordinate spiral shell at dumpling drilling bolt 13
Female 11 and loosen under the effect of pad 12, jaw 10 and spline housing 7 are positioned and compress, the feelings so lengthened at spline housing 7
Ensure under condition also can transfer strength, and ensure positioning precision and transmission moment of torsion while, it may have dismounting and easy to maintenance
Feature.
Splined shaft and spline housing material are steel alloy.
Being provided with some balance weights 2 in compensating groove 6, as shown in Figure 6, balance weight 2 includes by the fixing left side connected of screw 19
Balance weight 17 and right balance weight 18.
As shown in Figure 6, left balance weight 17 and right balance weight 18 are by together with two annulus groups, internal diameter R1 and compensating groove 6
Root cylindrical matches, and there is different weight at θ angles different after cutting open, left balance weight 17 together with right balance weight 18 groups,
Drilling and tapping on two composition surfaces, the compensating groove 6 ratio balance weight 2 big 0.4-0.6mm of width, and preferably compensating groove 6 is than balance weight 2
The big 0.5mm of width.
During as it is shown in fig. 7, dress balance weight 2 forms, first a left balance weight 17 is put into and compensating groove 6 makes two inclined-planes abut in
Together, more another right balance weight 18 is put into, after screwed hole alignment, screw 19 is screwed into, makes when screw 19 withstands compensating groove 6 root
Left balance weight 17 and right balance weight 18 entirety outward, make two inclined-planes, left and right on compensating groove two inclined-plane, are so convenient to mount and dismount, with
Time maintenance time can adjust balance weight 2 composition quantity to reach the balance requirement of shaft coupling.
As shown in Figure 8, first screw 19 is unscrewed when tearing balance weight 2 open taking-up, more left balance weight 17 is released toward left direction, right
Balance 18 right direction to release, after staggering, i.e. can be taken off balance weight.
As in figure 2 it is shown, this cross-section structure is spline pair, its outer layer is spline housing 7, and internal layer is splined shaft 3, for guaranteeing spline
Axle 3 stretching flexibly in spline housing 7, spline pair sideshake spacing is 0.03mm-0.08mm, and bottom clearance spacing is 0.05mm-
0.08mm。
This spline pair inner spline housing 7 and splined shaft 3 all use heat treatment reinforcement, and hardness reaches 40-55HRC, and it leads to
Cross line cutting and grinding, it is ensured that coordinate surface roughness Ra0.8, so ensure that spline 8 registration, more than 90%, improves spline 8
Bearing capacity and wearability.
The concrete principle of collapsing length is as it is shown on figure 3, universal drive shaft is coordinated with the spline pair of splined shaft 3 by spline housing 7, it is ensured that
The moment of torsion of transmission, the length of fit of the spline pair i.e. effective length of spline 8 is certain, because spline pair has gap, the most colored
Key axle 3 can be slidably axial stretching in spline housing 7.
Splined shaft 3 entirety of right-hand member is turned left pressure, until being the shortest length L1 of universal drive shaft when being pressed onto at left end end cap 9,
Turning right and pull out until length L2 of maximum universal drive shaft, stroke is i.e. L2-L1, the namely cavity length of spline housing 7.
The flexible universal drive shaft of this length is mainly characterized by spline housing group 1 and uses combinative structure, and spline housing 7 intracavity diameter is more than spline
Axle 3 external diameter, so increases the space that splined shaft 3 is flexible in spline housing 7, and the stroke L portion in spline housing composition is
Spline housing group 1 cavity length.
Its stroke L is 2-3 times of the big flexible elongated-F stroke in Hooks coupling universal coupling SWP type (JB3241-2005),
And the maximal dilation amount of SWP type (JB3241-2005) is 150-380mm, the flexible universal drive shaft maximal dilation amount of this length is 300-
1000mm, is far longer than the maximal dilation amount to shaft coupling SWP type (JB3241-2005).
When reaching long stroke, it is also required to ensure dynamic equilibrium during transmission moment of torsion simultaneously.
Dynamic balance principle is concrete as it is shown in figure 5, universal drive shaft is put into dynamic balancing frame, is coordinated by two end flanges seams, two
Universal drive shaft is fixed in dynamic balancing frame 16 by the connection of end flanges bolt, and whole dynamic balancing frame 16 is put by two ends rolling support point 14
On dynamic balancing machine.
Inputting compensating groove and the distance of fulcrum and balance weight 2 loading position cylindrical size, dynamic balancing machine is by power shaft
Rotating and drive universal drive shaft to rotate, size and the orientation of amount of unbalance are shown on detector by corresponding detection of electrons, operator
Just can choose in the compensating groove 6 that correspondingly sized balance weight 2 composition loads two ends, then carry out dynamic balance running, until uneven
Weigh in allowed limits.
Although the detailed description of the invention of invention being described in detail in conjunction with accompanying drawing, but should not be construed as this patent
The restriction of protection domain.In the scope described by claims, those skilled in the art are without creative work
The various amendments made and deformation still belong to the protection domain of this patent.
Claims (9)
1. one kind long flexible universal drive shaft, it is characterised in that: include spline housing group (1), be sheathed on the splined shaft in spline housing group (1)
And spline (8), and be arranged on the compensating groove (6) on spline housing group (1) and splined shaft (3) (3)；
Described spline housing group (1) includes spline housing (7), and is located by connecting the jaw arranged by seam with spline housing (7)
(10).
2. spline described in (8) is also sheathed on splined shaft (3) outward.
Length the most according to claim 1 is stretched universal drive shaft, it is characterised in that: described splined shaft (3) and spline housing (7) all with
Cross bag (4) connects.
Length the most according to claim 2 is stretched universal drive shaft, it is characterised in that: described cross bag (4) is also with flange (5) even
Connect.
Length the most according to claim 1 is stretched universal drive shaft, it is characterised in that: described spline housing group (1) also includes for fixed
Position spline housing (7) and the nut (11) of jaw (10), loosen pad (12) and dumpling drilling bolt (13).
Length the most according to claim 1 is stretched universal drive shaft, it is characterised in that: described compensating groove is provided with some balances in (6)
Block (2).
Length the most according to claim 5 is stretched universal drive shaft, it is characterised in that: described balance weight (2) includes passing through screw
(19) the fixing left balance weight (17) connected and right balance weight (18).
Length the most according to claim 5 is stretched universal drive shaft, it is characterised in that: described compensating groove (6) is than balance weight (2) width
Big 0.4 mm-0.6mm.
Length the most according to claim 1 is stretched universal drive shaft, it is characterised in that: described splined shaft (3) and spline housing (7) material
For steel alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610744888.9A CN106195040A (en) | 2016-08-29 | 2016-08-29 | A kind of long flexible universal drive shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610744888.9A CN106195040A (en) | 2016-08-29 | 2016-08-29 | A kind of long flexible universal drive shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106195040A true CN106195040A (en) | 2016-12-07 |
Family
ID=57527101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610744888.9A Pending CN106195040A (en) | 2016-08-29 | 2016-08-29 | A kind of long flexible universal drive shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106195040A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195746A (en) * | 2019-05-29 | 2019-09-03 | 宣化钢铁集团有限责任公司 | A kind of spline universal-joint spindle for preventing from throwing switch |
| CN114087412A (en) * | 2021-12-02 | 2022-02-25 | 中国船舶重工集团公司第七0三研究所 | Novel valve driving structure for limited space |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4090796A (en) * | 1977-07-23 | 1978-05-23 | Koyo Seiko Company, Limited | Device for fastening needle case to yoke in universal joint of trunnion type |
| JPH07197943A (en) * | 1993-12-28 | 1995-08-01 | Jidosha Buhin Kogyo Kk | Connection device for universal joint |
| CN201016367Y (en) * | 2007-03-21 | 2008-02-06 | 太原市通泽成套设备有限公司 | Cross axle type universal coupling |
| CN201078413Y (en) * | 2007-09-17 | 2008-06-25 | 河南三维重工有限公司 | Universal coupling with spider |
| CN202360621U (en) * | 2011-11-17 | 2012-08-01 | 资阳南车传动有限公司 | Cross shaft type universal coupling for large-sized rolling and grinding machine |
-
2016
- 2016-08-29 CN CN201610744888.9A patent/CN106195040A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4090796A (en) * | 1977-07-23 | 1978-05-23 | Koyo Seiko Company, Limited | Device for fastening needle case to yoke in universal joint of trunnion type |
| JPH07197943A (en) * | 1993-12-28 | 1995-08-01 | Jidosha Buhin Kogyo Kk | Connection device for universal joint |
| CN201016367Y (en) * | 2007-03-21 | 2008-02-06 | 太原市通泽成套设备有限公司 | Cross axle type universal coupling |
| CN201078413Y (en) * | 2007-09-17 | 2008-06-25 | 河南三维重工有限公司 | Universal coupling with spider |
| CN202360621U (en) * | 2011-11-17 | 2012-08-01 | 资阳南车传动有限公司 | Cross shaft type universal coupling for large-sized rolling and grinding machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110195746A (en) * | 2019-05-29 | 2019-09-03 | 宣化钢铁集团有限责任公司 | A kind of spline universal-joint spindle for preventing from throwing switch |
| CN114087412A (en) * | 2021-12-02 | 2022-02-25 | 中国船舶重工集团公司第七0三研究所 | Novel valve driving structure for limited space |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180214 Address after: 213011 Wuyi Road, Qishuyan District, Jiangsu, China, No. 258, No. Applicant after: CRRC QISHUYAN INSTITUTE CO., LTD. Address before: 641303 Ziyang City, Yanjiang Province Linjiang Town, the town of Spring Street, No. 68, attached to No. 1, No. Applicant before: CRRC ZIYANG TRANSMISSION CO., LTD. |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181025 Address after: 641302 No. 68, No. 1, Qingquan Pu street, Linjiang Town, Yanjiang District, Ziyang, Sichuan. Applicant after: Ziyang Zhong Gong locomotive transmission Co., Ltd. Address before: 213011 258 Wuyi Road, Qishuyan District, Changzhou, Jiangsu Applicant before: CRRC QISHUYAN INSTITUTE CO., LTD. |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |
|
| RJ01 | Rejection of invention patent application after publication |