CN110425260A - A kind of adjustable chain stretching device - Google Patents
A kind of adjustable chain stretching device Download PDFInfo
- Publication number
- CN110425260A CN110425260A CN201910829271.0A CN201910829271A CN110425260A CN 110425260 A CN110425260 A CN 110425260A CN 201910829271 A CN201910829271 A CN 201910829271A CN 110425260 A CN110425260 A CN 110425260A
- Authority
- CN
- China
- Prior art keywords
- sprocket wheel
- mounting plate
- stretching device
- screw rod
- adjusting screw
- 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.)
- Granted
Links
- 238000009434 installation Methods 0.000 claims description 21
- 210000003734 kidney Anatomy 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
- F16H7/10—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley
- F16H7/12—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley
- F16H7/1254—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley without vibration damping means
- F16H7/1281—Means for varying tension of belts, ropes, or chains by adjusting the axis of a pulley of an idle pulley without vibration damping means where the axis of the pulley moves along a substantially circular path
-
- 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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/18—Means for guiding or supporting belts, ropes, or chains
-
- 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
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/18—Means for guiding or supporting belts, ropes, or chains
- F16H7/20—Mountings for rollers or pulleys
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
The present invention relates to a kind of adjustable chain stretching devices；It is characterized by comprising rotary shaft, adjusting screw rod, the sprocket wheel mounting plate being connected in the rotary shaft and the tightener sprockets being mounted on the sprocket wheel mounting plate；The adjusting screw rod pushes the sprocket wheel mounting plate to swing along the rotary shaft.It solves and is easy to cause chain-loose caused by existing scheme, be easy to cause abrasion between chain and need constantly to adjust the problems such as position is time-consuming and laborious to increased sprocket wheel.
Description
Technical field
The present invention relates to tensioning apparatus, and in particular to a kind of adjustable chain stretching device.
Background technique
In general, Skid Transportation System is especially welded in automobile, engineering machinery etc. using widely in conveyer industry
Dress, Painting Shop, rolling bed use are especially more.The kind of drive of rolling bed generallys use belt transmission or chain drive.Wherein for
The elongation of chain drive, chain must control in reasonable range, otherwise will affect chain drive, cause chain conveyer de-
Tooth, chain beats the adverse effects such as other components and chain breakage, therefore the tensioning of the chain is a very crucial problem.
Suitable strainer can adjust in time, make up the elongation of chain, so that conveyor chain be made to be in good operation shape
State.
Currently existing scheme, chain are wound around on the sprocket wheel of two sides, and a sprocket wheel, increased sprocket wheel are further added by between sprocket wheel
Inside tension chain.Such scheme has the following problems: (1) tensile force that increased sprocket wheel generates is smaller, is easy to cause chain
Item loosens；(2) the inside tension chain of increased sprocket wheel, the abrasion being easy to cause between chain；(3) single sprocket wheel tension chain,
In the case where needing same tensioning surplus, sprocket wheel needs mobile distance larger.
Summary of the invention
In view of the deficiencies of the prior art, the invention discloses a kind of adjustable chain stretching devices, to solve existing skill
It is easy to cause chain-loose in art, is easy to cause abrasion between chain and needs constantly to adjust position expense to increased sprocket wheel
When it is laborious the problems such as.
The technical solution adopted in the present invention is as follows:
A kind of adjustable chain stretching device；
Including rotary shaft, adjusting screw rod, the sprocket wheel mounting plate being connected in the rotary shaft and it is mounted on the sprocket wheel peace
Tightener sprocket in loading board；The adjusting screw rod pushes the sprocket wheel mounting plate to swing along the rotary shaft.
Further technical solution are as follows: be provided with sprocket wheel installation axle on the sprocket wheel mounting plate；The tightener sprocket installation
In in the sprocket wheel installation axle.
Further technical solution are as follows: including the pilot hole being provided on the sprocket wheel mounting plate and limit the sprocket wheel peace
The guiding axis that loading board is swung；The guiding axis is embedded in the pilot hole.
Further technical solution are as follows: the pilot hole is circular arc kidney slot.
Further technical solution are as follows: the adjusting screw rod is threaded on fixed block；It is arranged on the adjusting screw rod
There is the fixture nut of the fixed adjusting screw rod.
Further technical solution are as follows: the chain stretching device is mounted in mounting seat.
Further technical solution are as follows: the mounting seat includes mounting plate, bottom plate and support plate；The chain tension dress
It sets and is mounted on the mounting plate；The support plate is mounted on the bottom plate, and the support plate supports the mounting plate.
Beneficial effects of the present invention are as follows: the present invention devises a kind of adjustable chain stretching device using adjusting screw rod
Sprocket wheel mounting plate is pushed to swing.After sprocket wheel mounting plate swings certain angle, tightener sprocket is in be staggered front to back installation, tightener sprocket shape
At the tensile force of two different directions.Adjustable chain stretching device brings following effect: (1) using two tightener sprockets
The tensile force of tension chain from different directions, formation is larger, not will lead to chain-loose；(2) tightener sprocket does not need inwardly to open
Tight chain, there is no abrasions between chain；(3) swing angle of sprocket wheel mounting plate can be quickly adjusted by adjusting screw rod；
(4) adjusting screw rod can be fixed by fixture nut, what adjusting screw rod can continue withstands sprocket wheel mounting plate, saves adjustment
Time；(5) pilot hole is passed through using guiding axis, limits the hunting range of sprocket wheel mounting plate；(6) chain is tensioned by two sprocket wheels
Item, sprocket wheel need to only move shorter distance, so that it may complete same tensioning surplus.
Detailed description of the invention
Fig. 1 is main view of the invention.
Fig. 2 is top view of the invention.
In figure: 1, sprocket wheel mounting plate；10, mounting seat；11, mounting plate；12, bottom plate；13, support plate；2, tightener sprocket；
3, adjusting screw rod；4, rotary shaft；5, sprocket wheel installation axle；6, guiding axis；7, pilot hole；8, fixed block；9, fixture nut.
Specific embodiment
With reference to the accompanying drawing, illustrate the specific embodiment of the present embodiment.
Fig. 1 is main view of the invention.As shown in connection with fig. 1, the invention discloses a kind of adjustable chain stretching devices.
The direction of X is the front end of main view of the present invention in figure, and the direction of Y is the right end of main view of the present invention in figure.Adjustable chain
Tensioning apparatus includes rotary shaft 4, adjusting screw rod 3, the sprocket wheel mounting plate 1 being connected in rotary shaft 4 and is mounted on sprocket wheel mounting plate 1
On tightener sprocket 2.Adjusting screw rod 3 pushes sprocket wheel mounting plate 1 to swing along rotary shaft 4.
Adjustable chain stretching device is mounted in mounting seat 10.Adjustable chain stretching device is mounted on installation
The upper end of pedestal 10.
Fig. 1 is main view of the invention.Fig. 2 is top view of the invention.Referring to figs. 1 and 2, mounting seat 10 is wrapped
Include mounting plate 11, bottom plate 12 and support plate 13.Chain stretching device is mounted on mounting plate 11.Support plate 13 is mounted on bottom plate 12
On, support plate 13 supports mounting plate 11.
Preferably, bottom plate 12 is rectangular.Support plate 13 is mounted on the upper end of bottom plate 12.The lower surface of support plate 13 and bottom plate
12 upper surface fits.Preferably, mounting plate 11 is rectangular.Mounting plate 11 is mounted on the upper end of support plate 13.Mounting plate 11
Lower surface and the upper surface of support plate 13 fit.
Mounting seat 10 plays the role of the fixed adjustable chain stretching device of support.Adjustable chain tension is filled
It sets and fixes, adjustable chain stretching device is smoothly worked, will not shake.
Adjusting screw rod 3 is threaded on fixed block 8.The fixture nut of secured adjusted screw rod 3 is provided on adjusting screw rod 3
9。
Preferably, fixed block 8 is two.Fixed block 8 is symmetrically connected to the left and right ends of 11 upper surface of mounting plate.Fixed block
Threaded hole is offered on 8.
The front end of adjusting screw rod 3 passes through fixed block 8, and sprocket wheel mounting plate 1 is withstood in the front end of adjusting screw rod 3.3 edge of adjusting screw rod
Fixed block 8 is threaded in or out.
Fixture nut 9 is provided on adjusting screw rod 3.Adjusting screw rod 3 is used with fixture nut 9 and is threadedly coupled.Adjusting screw rod 3
Along the outer surface turn of fixture nut 9.Fixture nut 9 is set to the rear end of fixed block 8.
When adjusting screw rod 3 withstands sprocket wheel mounting plate 1, adjusting screw rod 3 needs to fix.Adjusting screw rod 3 is along the outer of fixture nut 9
Surface turn, fixture nut 9 is close to fixed block 8.Withstand the rear end of fixed block 8 in the front end of fixture nut 9.
When adjusting screw rod 3 is no longer bear against sprocket wheel mounting plate 1, fixture nut 9 needs to unclamp.Adjusting screw rod 3 is along fixture nut 9
Outer surface turn, fixture nut 9 is far from fixed block 8.The front end of fixture nut 9 is no longer bear against the rear end of fixed block 8.
The swing angle of sprocket wheel mounting plate 1 can be quickly adjusted by adjusting screw rod 3.Fixture nut 9 plays fixed
Effect.Fixture nut 9 allow adjusting screw rod 3 continue withstand sprocket wheel mounting plate 1.
Rotary shaft 4 is mounted in mounting seat 10.Rotary shaft 4 is mounted on the upper surface of mounting plate 11.The following table of rotary shaft 4
Face and the upper surface of mounting plate 11 fit.Preferably, rotary shaft 4 is cylinder.The upper end of rotary shaft 4 connects sprocket wheel mounting plate
1.Rotary shaft 4 is vertically-mounted.The outer surface of rotary shaft 4 passes through the rear end of 1 lower surface of sprocket wheel mounting plate.1 edge of sprocket wheel mounting plate
The outer surface of rotary shaft 4 is swung.
Adjustable chain stretching device includes the pilot hole 7 being provided on sprocket wheel mounting plate 1 and limitation sprocket wheel mounting plate 1
The guiding axis 6 of swing.Guiding axis 6 is embedded in pilot hole 7.Preferably, pilot hole 7 is circular arc kidney slot.
Guiding axis 6 is mounted in mounting seat 10.Guiding axis 6 is mounted on the upper surface of mounting plate 11.The following table of guiding axis 6
Face and the upper surface of mounting plate 11 fit.Preferably, guiding axis 6 is cylinder.The upper end of guiding axis 6 connects sprocket wheel mounting plate
1.Guiding axis 6 is located at the front end of rotary shaft 4.Pilot hole 7 is opened in the upper surface of sprocket wheel mounting plate 1.Pilot hole 7 is left and right directions
Level opens up.Guiding axis 6 is vertically-mounted.The outer surface of guiding axis 6 passes through pilot hole 7.
When sprocket wheel mounting plate 1 swings certain angle to the right, guiding axis 6 is located at the left end of pilot hole 7.Outside guiding axis 6
Withstand the left end of pilot hole 7 in surface.Guiding axis 6 limits the continuation of sprocket wheel mounting plate 1 and swings to the right.
When sprocket wheel mounting plate 1 swings certain angle to the left, guiding axis 6 is located at the right end of pilot hole 7.Outside guiding axis 6
Withstand the right end of pilot hole 7 in surface.Guiding axis 6 limits the continuation of sprocket wheel mounting plate 1 and swings to the left.
Guiding axis 6 and pilot hole 7 play the role of swinging guiding, and guiding axis 6 and pilot hole 7 are to chain and tightener sprocket 2
It plays a protective role.Guiding axis 6 and pilot hole 7 prevent 1 swing angle of sprocket wheel mounting plate excessive, and tightener sprocket 2 forms chain
It pulls, to damage chain.
Preferably, sprocket wheel mounting plate 1 is triangle.Sprocket wheel mounting plate 1 is located at the upper end of mounting seat 10.
Sprocket wheel installation axle 5 is provided on sprocket wheel mounting plate 1.Tightener sprocket 2 is installed in sprocket wheel installation axle 5.
Preferably, sprocket wheel installation axle 5 is two.Sprocket wheel installation axle 5 is set to the left and right two of 1 upper surface of sprocket wheel mounting plate
Side.Preferably, sprocket wheel installation axle 5 is cylinder.The lower surface of sprocket wheel installation axle 5 and the upper surface of sprocket wheel mounting plate 1 fit.
Preferably, tightener sprocket 2 is two.Tightener sprocket 2 is installed on the outer surface of sprocket wheel installation axle 5.Sprocket wheel installation axle 5
Outer surface pass through tightener sprocket 2.Tightener sprocket 2 is co-axially mounted with sprocket wheel installation axle 5.Tightener sprocket 2 surrounds sprocket wheel installation axle 5
Outer surface rotation.
During installation, chain is set around on tightener sprocket 2 adjustable chain stretching device in S font.Tightener sprocket 2 divides
Other power chain formed forwardly and rearwardly.Tightener sprocket 2 forms the tensile force of two different directions.
Adjusting screw rod 3 withstands sprocket wheel mounting plate 1, and sprocket wheel mounting plate 1 is swung along the outer surface of rotary shaft 4.Sprocket wheel mounting plate 1
When being rocked to extreme angles, pilot hole 7 is withstood in the outer surface of guiding axis 6, and guiding axis 6 limits the swing of sprocket wheel mounting plate 1.It tightens
Fixture nut 9 is fixed by adjusting screw rod 3.Tightener sprocket 2 is in be staggered front to back installation.Tightener sprocket 2 realizes tension to chain.
In addition, having used the words such as " rectangular " " cylinder " and " triangle " in this specification, they are not accurate
" rectangular " " cylinder " and " triangle " can be " general square shape " " substantial cylindrical " in the range of capable of playing its function
The state of " general triangular ".
In addition, quantity such as " two " have been used in this specification, however, not limited to this, can be can play its function
In the range of other quantity.
Above description is explanation of the invention, is not intended to limit the invention, and limited range of the present invention is referring to right
It is required that the present invention can make any type of modification without prejudice to basic structure of the invention.
Claims (7)
1. a kind of adjustable chain stretching device, it is characterised in that: including rotary shaft (4), adjusting screw rod (3), be connected to institute
The tightener sprocket (2) stating the sprocket wheel mounting plate (1) on rotary shaft (4) and being mounted on the sprocket wheel mounting plate (1)；The adjusting
Screw rod (3) pushes the sprocket wheel mounting plate (1) to swing along the rotary shaft (4).
2. adjustable chain stretching device according to claim 1, it is characterised in that: on the sprocket wheel mounting plate (1)
It is provided with sprocket wheel installation axle (5)；The tightener sprocket (2) is installed on the sprocket wheel installation axle (5).
3. adjustable chain stretching device according to claim 1, it is characterised in that: including being provided with the sprocket wheel peace
The guiding axis (6) that pilot hole (7) and the limitation sprocket wheel mounting plate (1) in loading board (1) are swung；Guiding axis (6) insertion
In the pilot hole (7).
4. adjustable chain stretching device according to claim 3, it is characterised in that: the pilot hole (7) is circular arc
Kidney slot.
5. adjustable chain stretching device according to claim 1, it is characterised in that: adjusting screw rod (3) screw thread
It is connected on fixed block (8)；The fixture nut (9) of the fixed adjusting screw rod (3) is provided on the adjusting screw rod (3).
6. adjustable chain stretching device according to claim 1, it is characterised in that: the chain stretching device installation
On mounting seat (10).
7. adjustable chain stretching device according to claim 6, it is characterised in that: the mounting seat (10) includes
Mounting plate (11), bottom plate (12) and support plate (13)；The chain stretching device is mounted on the mounting plate (11)；The branch
Fagging (13) is mounted on the bottom plate (12), and the support plate (13) supports the mounting plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910829271.0A CN110425260B (en) | 2019-09-03 | 2019-09-03 | Adjustable chain tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910829271.0A CN110425260B (en) | 2019-09-03 | 2019-09-03 | Adjustable chain tensioning device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110425260A true CN110425260A (en) | 2019-11-08 |
| CN110425260B CN110425260B (en) | 2024-05-24 |
Family
ID=68418730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910829271.0A Active CN110425260B (en) | 2019-09-03 | 2019-09-03 | Adjustable chain tensioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110425260B (en) |
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2019
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110425260B (en) | 2024-05-24 |
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