CN105952868A - Overrunning belt pulley and spring piece - Google Patents
Overrunning belt pulley and spring piece Download PDFInfo
- Publication number
- CN105952868A CN105952868A CN201610580858.9A CN201610580858A CN105952868A CN 105952868 A CN105952868 A CN 105952868A CN 201610580858 A CN201610580858 A CN 201610580858A CN 105952868 A CN105952868 A CN 105952868A
- Authority
- CN
- China
- Prior art keywords
- belt pulley
- spring leaf
- crossbeam
- straight section
- piece
- 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
Links
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
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/36—Pulleys
-
- 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
- F16D41/00—Freewheels or freewheel clutches
-
- 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
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/36—Pulleys
- F16H2055/366—Pulleys with means providing resilience or vibration damping
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Abstract
The invention relates to an overrunning belt pulley and a spring piece. The spring piece comprises a supporting piece, a clamping piece and a connecting beam, wherein the connecting beam is used for connecting the supporting piece and the clamping piece; the middle part of the supporting piece is a straight section; the two ends of the straight section are connected with arc-shaped sections respectively; in addition, the arc-shaped sections at the two ends are both bent towards the same side of the straight section; and the width of the supporting piece is gradually reduced from the middle part of the supporting piece towards the two sides of the supporting piece. The overrunning belt pulley comprises a holding frame, a plurality of rolling needles and a plurality of spring pieces, wherein the holding frame is provided with a plurality of vertical beams; a window hole is formed between two adjacent vertical beams; the spring pieces are erected on the vertical beams respectively; the rolling needles are arranged in the window holes respectively; and the supporting pieces of the corresponding spring pieces are arranged in the window holes respectively and support the side surfaces of the corresponding rolling needles in the corresponding window hole. According to the overrunning belt pulley and the spring piece, known from a finite element analysis result, under the equal working condition, the stress values of each spring piece on the supporting piece and the connecting part of the connecting beam and the supporting piece are reduced, and meanwhile, the stress distribution is more reasonable relative to the structure of the traditional spring piece.
Description
Technical field
The present invention relates to a kind of overrunning belt pulley and spring leaf thereof.
Background technology
Overrunning belt pulley is speed of related movement change or the conversion energy of gyratory directions utilizing driving and driven part
Automatically the clutch engaged or disengage；It is the base components in electromechanical integration machine driving, its major function
It is to prevent from reversing, be accurately positioned, transmit torque or cut off torque, thus also referred to as holdback or one-way shaft
Holding, it is widely used in lathe, package packing machine, printing machinery, light industry and machinery, textile machine, petrochemical industry machine
Tool, cement machinery, metallurgical machinery, Transport Machinery, reductor etc..Freewheel clutch kind is a lot, conventional
Have pawl-type overrunning clutch, needle-type freewheel clutch and Wedge type over running clutch etc., wherein needle roller
The structure of formula freewheel clutch generally includes inner ring, outer ring, needle roller and spring, and needle roller relies on the bullet of spring
Freewheel clutch is maintained at the state that work is ready by power, by the spring cushioning effect to needle roller, it is ensured that super
More clutch continued smooth in the running.Therefore, spring shape and structure and install fixed form to from
The performance indications impacts such as the continued smooth of the operating of clutch and service life are quite big, are in freewheel clutch
Vital part.
But, existing spring easily produces the problem that stress is concentrated, as Chinese patent CN101701612B is public
Having driven the spring leaf of a kind of freewheel clutch, this spring leaf is made up of support chip, holding piece and tie-beam,
The middle part of blade is straight section, and two ends are arc section.Support chip is relatively big with the junction stress value of tie-beam, leads
Cause junction is easily broken off.
Summary of the invention
The technical problem to be solved in the present invention is: in order to overcome existing spring easily to produce the problem that stress is concentrated,
The present invention provides a kind of overrunning belt pulley and spring leaf thereof.
The technical solution adopted for the present invention to solve the technical problems is: a kind of overrunning belt pulley spring leaf,
Including support chip, holding piece and tie-beam, described tie-beam connects described support chip and holding piece, described
The middle part of blade is straight section, and the two ends of straight section respectively connect a segmental arc, and the segmental arc at two ends is all towards straight section
The same side bending；The width d of described support chip is gradually reduced to both sides from the middle part of support chip.
Described tie-beam is connected with in the middle part of the straight section of support chip, and the segmental arc at straight section two ends is relative to described connection
Beam is symmetrical.
Described holding piece has crossbeam, and the two ends of described crossbeam have bending part, described tie-beam and holding piece
Crossbeam in the middle part of connect, the bending part at crossbeam two ends is symmetrical relative to described tie-beam.
Described tie-beam is single piece type tie-beam.Use single piece type, tie-beam can be done narrow so that connect
The beam segmental arc from both sides is farther, and stress distribution is more uniform.
Described tie-beam has the bending to the bending of straight section opposite side.This bending can strengthen tie-beam and holding
The laminating degree of frame, promotes stability under loading.
A kind of overrunning belt pulley with described spring leaf, including retainer, multiple needle roller and multiple spring
Sheet, described retainer has some vertical beams, forms fenestra between adjacent two vertical beams, and described spring leaf sets up
On described vertical beam, described needle roller is positioned at described fenestra, and the support chip of described spring leaf is positioned at described fenestra
In, support chip is in the side of fenestra inner support needle roller.
Described retainer has two annular end edge, and described vertical beam is arranged between two annular end edge, described
Holding piece has crossbeam, and the two ends of described crossbeam have bending part, described beam erection on vertical beam, crossbeam
The bending part at two ends grips respectively at two annular end edge of retainer.
The invention has the beneficial effects as follows that the overrunning belt pulley of the present invention and spring leaf thereof are tied by finite element analysis
Fruit understands, and under equal operating mode, the spring leaf of the present invention is on support chip, and at tie-beam and support chip
Junction, stress value diminishes, simultaneously the most reasonable for the structure of the most existing spring leaf of stress distribution.
Therefore, the structure of the spring leaf of the present invention not only bearing capacity is more preferable, and Stiffness Distribution is the most reasonable.
Accompanying drawing explanation
The present invention is further described with embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the overrunning belt pulley spring leaf optimum embodiment of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is that the B of the spring leaf of Fig. 2 is to full view.
Fig. 4 is the structural representation at another visual angle of overrunning belt pulley spring leaf of the present invention.
Fig. 5 is the structural representation that the overrunning belt pulley spring leaf of the present invention is connected with retainer.
Fig. 6 is the partial enlarged drawing in Fig. 5 at C.
Fig. 7 is the equivalent stress distribution cloud atlas of existing spring leaf.
Fig. 8 is the equivalent stress distribution cloud atlas of the overrunning belt pulley spring leaf of the present invention.
In figure 100, spring leaf, 101, support chip, 1011, straight section, 1012, segmental arc, 102, clamping
Sheet, 1021, crossbeam, 1022, bending part, 103, tie-beam, 200, retainer, 201, vertical beam, 202,
Fenestra, 203, annular end edge, 300, needle roller, d, width.
Detailed description of the invention
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification,
The basic structure of the present invention is described the most in a schematic way, and therefore it only shows the composition relevant with the present invention.
As Figure 1-4, a kind of overrunning belt pulley spring leaf 100 of the present invention, including support chip 101,
Holding piece 102 and tie-beam 103, described tie-beam 103 connects described support chip 101 and holding piece 102,
The middle part of described support chip 101 is straight section 1011, and the two ends of straight section 1011 respectively connect a segmental arc 1012,
And the segmental arc 1012 at two ends all bends towards the same side of straight section 1011；The width d of described support chip 101
It is gradually reduced to both sides from the middle part of support chip 101.
Fig. 7 and Fig. 8 is respectively existing spring leaf, and the equivalence of the overrunning belt pulley spring leaf of the present invention
Stress distribution cloud atlas, wherein, the middle part of the support chip of existing spring leaf is straight section, and two ends are arc section,
The width of blade is constant.From the Finite element analysis results in Fig. 7 and Fig. 8, under equal operating mode, this
The spring leaf of invention is on support chip 101, and the junction at tie-beam 103 with support chip 101, should
Force value diminishes, simultaneously more reasonable for the structure of the most existing spring leaf of stress distribution.Therefore, this
The structure of bright spring leaf not only bearing capacity is more preferable, and Stiffness Distribution is the most reasonable.
Described tie-beam 103 is connected in the middle part of the straight section 1011 of support chip 101, the arc at straight section 1011 two ends
Shape section 1012 is symmetrical relative to described tie-beam 103.Described holding piece 102 has crossbeam 1021, described horizontal stroke
The two ends of beam 1021 have bending part 1022, in the crossbeam 1021 of described tie-beam 103 and holding piece 102
Portion connects, and the bending part 1022 at crossbeam 1021 two ends is symmetrical relative to described tie-beam 103.
Described tie-beam 103 is single piece type tie-beam.Described tie-beam 103 has to straight section 1011 opposite side
The bending of bending.Use single piece type, can tie-beam 103 be done narrow so that tie-beam 103 is from both sides
Segmental arc 1012 is farther, and stress distribution is more uniform.Further, the bending of tie-beam 103 can strengthen connection
Beam and the laminating degree of retainer, promote stability under loading.
A kind of overrunning belt pulley with described spring leaf 100, including retainer 200, multiple needle roller 300
With multiple spring leafs 100, as shown in Figure 5, Figure 6, described retainer 200 has some vertical beams 201, phase
Forming fenestra 202 between adjacent two vertical beams 201, described spring leaf 100 is set up on described vertical beam 201, institute
Stating needle roller 300 and be positioned at described fenestra 202, the support chip 101 of described spring leaf 100 is positioned at described fenestra
In 202, support chip 101 is in the side of fenestra 202 inner support needle roller 300.
Described retainer 200 has two annular end edge 203, and described vertical beam 201 is arranged on two annular end edge
Between 203, described holding piece 102 has crossbeam 1021, and the two ends of described crossbeam 1021 have bending part 1022,
Described crossbeam 1021 is erected on vertical beam 201, and the bending part 1022 at crossbeam 1021 two ends is respectively at retainer
Two annular end edge 203 of 200 grip.
With the above-mentioned desirable embodiment according to the present invention for enlightenment, by above-mentioned description, related work
Personnel can carry out various change and amendment completely in the range of without departing from this invention technological thought.
The content that the technical scope of this invention is not limited in description, it is necessary to according to right
Determine its technical scope.
Claims (7)
1. an overrunning belt pulley is with spring leaf (100), including support chip (101), holding piece (102) and
Tie-beam (103), described tie-beam (103) connects described support chip (101) and holding piece (102),
It is characterized in that: the middle part of described support chip (101) is straight section (1011), the two ends of straight section (1011)
There is a segmental arc (1012) each connection, and the segmental arc (1012) at two ends all same towards straight section (1011)
Lateral bend；The width d of described support chip (101) is gradually reduced to both sides from the middle part of support chip (101).
2. overrunning belt pulley as claimed in claim 1 is with spring leaf (100), it is characterised in that: described company
Connect beam (103) to be connected with straight section (1011) middle part of support chip (101), straight section (1011) two ends
Segmental arc (1012) is symmetrical relative to described tie-beam (103).
3. overrunning belt pulley as claimed in claim 2 is with spring leaf (100), it is characterised in that: described folder
Holding sheet (102) and have crossbeam (1021), the two ends of described crossbeam (1021) have bending part (1022),
Described tie-beam (103) is connected with crossbeam (1021) middle part of holding piece (102), crossbeam (1021)
The bending part (1022) at two ends is symmetrical relative to described tie-beam (103).
4. overrunning belt pulley as claimed in claim 1 is with spring leaf (100), it is characterised in that: described company
Connecing beam (103) is single piece type tie-beam.
5. overrunning belt pulley as claimed in claim 4 is with spring leaf (100), it is characterised in that: described company
Connect beam (103) and there is the bending to the bending of straight section (1011) opposite side.
6. there is an overrunning belt pulley for spring leaf (100) as according to any one of claim 1-4,
Including retainer (200), multiple needle roller (300) and multiple spring leaf (100), described retainer (200)
There is some vertical beams (201), between adjacent two vertical beams (201), form fenestra (202), described spring leaf
(100) being set up on described vertical beam (201), described needle roller (300) is positioned at described fenestra (202),
It is characterized in that: the support chip (101) of described spring leaf (100) is positioned at described fenestra (202),
Blade (101) is in the side of fenestra (202) inner support needle roller (300).
7. overrunning belt pulley as claimed in claim 6, it is characterised in that: described retainer (200) has
Two annular end edge (203), described vertical beam (201) is arranged between two annular end edge (203), institute
Stating holding piece (102) and have crossbeam (1021), the two ends of described crossbeam (1021) have bending part (1022),
Described crossbeam (1021) is erected on vertical beam (201), the bending part (1022) at crossbeam (1021) two ends
Two annular end edge (203) respectively at retainer (200) grip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610580858.9A CN105952868A (en) | 2016-07-21 | 2016-07-21 | Overrunning belt pulley and spring piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610580858.9A CN105952868A (en) | 2016-07-21 | 2016-07-21 | Overrunning belt pulley and spring piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105952868A true CN105952868A (en) | 2016-09-21 |
Family
ID=56901334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610580858.9A Pending CN105952868A (en) | 2016-07-21 | 2016-07-21 | Overrunning belt pulley and spring piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105952868A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5007514A (en) * | 1989-02-22 | 1991-04-16 | Koyo Seiko Co., Ltd. | Retainer for one-way clutch |
| JP2003269494A (en) * | 2002-03-19 | 2003-09-25 | Nsk Ltd | Roller clutch |
| US20070119676A1 (en) * | 2005-11-25 | 2007-05-31 | Schaeffler Kg | Overrunning clutch |
| JP2007198582A (en) * | 2005-12-14 | 2007-08-09 | Nsk Ltd | Pulley device with built-in one-way clutch |
| CN101701612A (en) * | 2009-11-04 | 2010-05-05 | 江苏南方轴承股份有限公司 | Spring leaf and overrunning clutch mounted with spring leafs |
| JP2012047321A (en) * | 2010-08-30 | 2012-03-08 | Jtekt Corp | One-way clutch |
| CN205859101U (en) * | 2016-07-21 | 2017-01-04 | 江苏南方轴承股份有限公司 | Overrunning belt pulley and spring leaf thereof |
-
2016
- 2016-07-21 CN CN201610580858.9A patent/CN105952868A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5007514A (en) * | 1989-02-22 | 1991-04-16 | Koyo Seiko Co., Ltd. | Retainer for one-way clutch |
| JP2003269494A (en) * | 2002-03-19 | 2003-09-25 | Nsk Ltd | Roller clutch |
| US20070119676A1 (en) * | 2005-11-25 | 2007-05-31 | Schaeffler Kg | Overrunning clutch |
| JP2007198582A (en) * | 2005-12-14 | 2007-08-09 | Nsk Ltd | Pulley device with built-in one-way clutch |
| CN101701612A (en) * | 2009-11-04 | 2010-05-05 | 江苏南方轴承股份有限公司 | Spring leaf and overrunning clutch mounted with spring leafs |
| JP2012047321A (en) * | 2010-08-30 | 2012-03-08 | Jtekt Corp | One-way clutch |
| CN205859101U (en) * | 2016-07-21 | 2017-01-04 | 江苏南方轴承股份有限公司 | Overrunning belt pulley and spring leaf thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9162274B2 (en) | Dual double-action can body maker | |
| EP3101226A1 (en) | Non-concentric protruding shaft fixed bearing reciprocating impact part for implementing a reciprocating impact non-concentric protruding shaft fixed bearing method | |
| CN109693412A (en) | A kind of press machine easy to use | |
| EP2977644A3 (en) | Single cylinder balance system | |
| CN205859101U (en) | Overrunning belt pulley and spring leaf thereof | |
| CN105952868A (en) | Overrunning belt pulley and spring piece | |
| CN204239439U (en) | A kind of assembled crankshaft structure being applicable to the heavy duty of large eccentricity amount | |
| CN204999123U (en) | A hold -in range cylinder conveyer for automizing carry | |
| CN206765608U (en) | A kind of seal-affixing machine paper twisting device | |
| EP3591260A1 (en) | Roller gear cam mechanism | |
| EP2677205A1 (en) | Anti-detachment chainwheel having forced recessed face at chain tooth root portion | |
| CN104842142B (en) | Intelligent servo press | |
| CN103331825B (en) | Automatic double-arm double-drive hydraulic stone sawing machine unit | |
| CN105351484A (en) | Eccentric gear | |
| CN204674928U (en) | A kind of carton intermittent delivery device | |
| US20160348758A1 (en) | Pumpjack with torque-balanced gearbox | |
| CN210733368U (en) | Novel cam-driven multi-station press flywheel supporting structure | |
| CN103557293B (en) | The soft start deceleration device of large tube-like cast frame | |
| CN105290272B (en) | A kind of regression equation is driven cutting machine | |
| CN204384520U (en) | A kind of horizontal feeding device of timber automatic assembling machine | |
| CN201253665Y (en) | Iron ring processing device | |
| CN205559518U (en) | Crank shaft for automobile engine | |
| CN211109385U (en) | Steel construction engineering component transmission | |
| CN102556600B (en) | Driving mechanism of leather drying conveyor | |
| CN203818729U (en) | Hot-stamping die-cutting machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160921 |