CN206798470U - A kind of reverse adjustable type driving chain belt tension device of positive and negative thread - Google Patents
A kind of reverse adjustable type driving chain belt tension device of positive and negative thread Download PDFInfo
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- CN206798470U CN206798470U CN201720347863.5U CN201720347863U CN206798470U CN 206798470 U CN206798470 U CN 206798470U CN 201720347863 U CN201720347863 U CN 201720347863U CN 206798470 U CN206798470 U CN 206798470U
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- Prior art keywords
- axostylus axostyle
- regulation axostylus
- regulation
- wheel
- fixed support
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Abstract
The utility model discloses a kind of positive and negative reverse adjustable type driving chain belt tension device of thread,Including fixed support,Expansion tightening wheel runway groove is offered at the top of the fixed support,Regulation axostylus axostyle is provided between the fixed support bottom,The regulation axostylus axostyle is provided with the regulation axostylus axostyle forward direction thread part reverse thread part of adjustment axis bar,With unthreaded portion among regulation axostylus axostyle,The regulation axostylus axostyle centre position is provided with connecting bushing and axle sleeve fixed screw between unthreaded portion among regulation axostylus axostyle forward direction thread part and regulation axostylus axostyle,Tension wheel shaft is provided with the top of the regulation axostylus axostyle,Bushing is provided with the top of the tension wheel shaft,Sprocket wheel is connected with the top of the bushing,Its top is provided with pressure cap,The pressure cap is provided with sprocket wheel endoporus back-up ring,Planar pad is sequentially installed with the top of the sprocket wheel endoporus back-up ring,Elastic mattress and expansion tightening wheel hold-doun nut,It is the preferable swelling device that supporting foodstuff drying device pulls out grain wheel driving chain.
Description
Technical field
The present invention relates to a kind of swelling device of driving chain, specially a kind of reverse adjustable type driving chain of positive and negative thread
Belt tension device.
Background technology
China is large agricultural country, and country produces to agricultural machinery to be supported with application big country.Grain purchases, storage, processing etc.
Enterprise and agricultural cooperatives, home farm largely use crop dryer, and to the quality of crop dryer machinery
It is required that more and more higher.
It is mostly to revolve spring formula or Extension Spring-type that traditional foodstuff drying device, which pulls out the swelling device that grain wheel driving chain tensioner uses,
Flexible swelling device, it is long-term use of, revolve spring or tension spring die down, the stroke of tensioner is also smaller, and tension is weaker, chain because
, it is necessary to which regular interception chain shortens after pulling force or abrasion are elongated, to keep chain in rotation spring or the row of extension spring swelling device
Within journey, while add the fault rate of driving chain.
The content of the invention
It is an object of the invention to provide a kind of positive and negative reverse adjustable type driving chain belt tension device of thread, to solve
The problem of being proposed in above-mentioned background technology.
To achieve the above object, the present invention provides following technical scheme：A kind of reverse adjustable type driving chain of positive and negative thread
Belt tension device, including fixed support, the fixed support top offer expansion tightening wheel runway groove, the fixed support bottom
Between be provided with regulation axostylus axostyle, the regulation axostylus axostyle be provided with the reverse thread part of regulation axostylus axostyle forward direction thread part adjustment axis bar,
With unthreaded portion among regulation axostylus axostyle, the regulation axostylus axostyle centre position is positioned at regulation axostylus axostyle forward direction thread part and adjustment axis
Connecting bushing and axle sleeve fixed screw are provided among bar between unthreaded portion, tension wheel shaft is provided with the top of the regulation axostylus axostyle,
Be provided with bushing at the top of the tension wheel shaft, sprocket wheel be connected with the top of the bushing, be provided with the sprocket wheel with bushing corresponding to axle
Hold, its top is provided with pressure cap, and the pressure cap is provided with sprocket wheel endoporus back-up ring, pacified successively at the top of the sprocket wheel endoporus back-up ring
Equipped with planar pad, elastic mattress and expansion tightening wheel hold-doun nut.
Preferably, the regulation axostylus axostyle and right side fixed support junction are provided with regulation axostylus axostyle and fix back-up ring and regulation axostylus axostyle
Alignment pin.
Preferably, regulation axostylus axostyle setting stick and regulation axostylus axostyle setting stick hold-doun nut are connected with the right side of the regulation axostylus axostyle.
Preferably, the sprocket wheel can be one kind in simple chainwheel, duplex chain wheel and multiple chainwheel.
Preferably, the tension wheel shaft and sprocket wheel are symmetrical arranged on fixed support.
Preferably, fixed support both sides bottom, which is run through, fastening bolt.
Compared with prior art, the beneficial effects of the invention are as follows：A kind of positive and negative reverse adjustable type driving-chain of thread of the present invention
Bar belt tension device, structure is novel, easy to operate, by the reverse regulative mode of positive and negative thread, and meanwhile it is removable using two
Expansion tightening wheel, one-stroke tensioner mode being changed, this device adjusts the setting stick rotational units number of turns because expansion tightening wheel is simultaneously reverse mobile,
The total kilometres of tensioner are then twice of unidirectional regulation stroke.While expansion tightening wheel tensioner stroke is effectively increased, also increase
Because chain wear loosen it is elongated after, intercept Operation and Maintenance cycle of chain.It is that supporting foodstuff drying device pulls out grain wheel driving chain
Preferable swelling device, grain wheel driving chain tensioner is pulled out suitable for foodstuff drying device, suitable for lifting machine equipment, conveying equipment, receipts
The agricultural equipment chain tensioner such as cutting mill.It is vee-pulley, glue belt wheel to change tensioner sprocket wheel, is also applied for V-belt, glue belt
Swelling device, there is very high practicality, greatly improve a kind of positive and negative reverse adjustable type driving chain belt of thread and rise
The use feature of tight device, ensures its using effect and utilization benefit, is adapted to be widely popularized.
Brief description of the drawings
Fig. 1 is contour structures top view of the present invention；
Fig. 2 is that part of the present invention decomposes installation diagram；
Fig. 3 is part side view of the present invention.
In figure：1 fixed support, 2 expansion tightening wheel runway grooves, 3 regulation axostylus axostyles, 4 regulation axostylus axostyle forward direction thread parts, 5 adjustment axis
Unthreaded portions among the reverse thread part of bar, 6 regulation axostylus axostyles, 7 tension wheel shafts, 8 bushings, 9 sprocket wheels, 10 bearings, in 11 sprocket wheels
Hole back-up ring, 12 pressure caps, 13 planar pads, 14 elastic mattress, 15 expansion tightening wheel hold-doun nuts, 16 regulation axostylus axostyle setting sticks, 17 regulation axostylus axostyle hands
Disk hold-doun nut, 18 regulation axostylus axostyles fix back-up ring, 19 regulation axostylus axostyle alignment pins, 20 connecting bushings, 21 axle sleeve fixed screws.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Fig. 1-3 are referred to, the present invention provides a kind of technical scheme：A kind of reverse adjustable type driving chain belt of positive and negative thread
Swelling device, including fixed support 1, the top of fixed support 1 offer expansion tightening wheel runway groove 2, the bottom of fixed support 1
Between be provided with regulation axostylus axostyle 3, the regulation axostylus axostyle 3 is provided with regulation axostylus axostyle forward direction thread part 4 and adjusts the reverse spiro tooth part of axostylus axostyle
Divide unthreaded portion 6 among 5 and regulation axostylus axostyle, regulation axostylus axostyle 3 centre position, which is located at, adjusts axostylus axostyle forward direction thread part 4
And connecting bushing 20 and axle sleeve fixed screw 21 are provided among regulation axostylus axostyle between unthreaded portion 6, the top of regulation axostylus axostyle 3
Provided with tension wheel shaft 7, the top of the tension wheel shaft 7 is provided with bushing 8, is connected with sprocket wheel 9 at the top of the bushing 8, in the sprocket wheel 9
Provided with bushing 8 corresponding to bearing 10, the top of the bearing 10 is provided with pressure cap 12, and the pressure cap 12 is provided with sprocket wheel endoporus back-up ring
11, the top of sprocket wheel endoporus back-up ring 11 is sequentially installed with planar pad 13, elastic mattress 14 and expansion tightening wheel hold-doun nut 15, the tune
Nodal axisn bar 3 and the junction of right side fixed support 1 are provided with regulation axostylus axostyle and fix back-up ring 18 and regulation axostylus axostyle alignment pin 19, the regulation
The right side of axostylus axostyle 3 is connected with regulation axostylus axostyle setting stick 16 and regulation axostylus axostyle setting stick hold-doun nut 17, the sprocket wheel 9 can be simple chainwheel,
Duplex chain wheel and multiple chainwheel, the tension wheel shaft 7 and sprocket wheel 9 are symmetrical arranged on fixed support 1,1 liang of the fixed support
Side bottom, which is run through, fastening bolt.
Operation principle：A kind of positive and negative reverse adjustable type driving chain belt tension device of thread of the present invention, in use, unclamping
Two expansion tightening wheel hold-doun nuts 15, rotation regulation axostylus axostyle setting stick 16, regulation axostylus axostyle forward direction thread part 4, the regulation reverse spiral shell of axostylus axostyle
The coaxial rotating of tooth part 5, regulation axostylus axostyle forward direction thread part 4, the external screw thread of the reverse thread part 5 of regulation axostylus axostyle, rises with two
The internal thread hole occlusion of the bottom of bearing up pulley axle 7, promotes two tension wheel shafts 7 simultaneously, is run along two expansion tightening wheels on fixed support 1
Road groove 2 moves laterally, and expansion tightening wheel starts tensioner chain.Opposite direction rotation regulation axostylus axostyle setting stick 16, then two tension wheel shafts 7 are same
When, move inward along two expansion tightening wheel runway grooves 2 on fixed support 1, expansion tightening wheel starts to relax.After regulation, then
Tighten two expansion tightening wheel hold-doun nuts 15.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of reverse adjustable type driving chain belt tension device of positive and negative thread, including fixed support（1）, it is characterised in that：
The fixed support（1）Top offers expansion tightening wheel runway groove（2）, the fixed support（1）Regulation axostylus axostyle is provided between bottom
（3）, the regulation axostylus axostyle（3）It is provided with regulation axostylus axostyle forward direction thread part（4）Adjust the reverse thread part of axostylus axostyle（5）And adjust
Unthreaded portion among nodal axisn bar（6）, the regulation axostylus axostyle（3）Centre position is positioned at regulation axostylus axostyle forward direction thread part（4）With
Adjust unthreaded portion among axostylus axostyle（6）Between be provided with connecting bushing（20）With axle sleeve fixed screw（21）, the regulation axostylus axostyle
（3）Top is provided with tension wheel shaft（7）, the tension wheel shaft（7）Top is provided with bushing（8）, the bushing（8）Top is connected with chain
Wheel（9）, the sprocket wheel（9）Inside it is provided with and bushing（8）Corresponding bearing（10）, the bearing（10）Top is provided with pressure cap（12）,
The pressure cap（12）It is provided with sprocket wheel endoporus back-up ring（11）, the sprocket wheel endoporus back-up ring（11）Top is sequentially installed with planar pad
（13）, elastic mattress（14）With expansion tightening wheel hold-doun nut（15）.
2. a kind of positive and negative reverse adjustable type driving chain belt tension device of thread according to claim 1, its feature exist
In：The regulation axostylus axostyle（3）With right side fixed support（1）Junction is provided with regulation axostylus axostyle and fixes back-up ring（18）Determine with regulation axostylus axostyle
Position pin（19）.
3. a kind of positive and negative reverse adjustable type driving chain belt tension device of thread according to claim 1, its feature exist
In：The regulation axostylus axostyle（3）Right side is connected with regulation axostylus axostyle setting stick（16）With regulation axostylus axostyle setting stick hold-doun nut（17）.
4. a kind of positive and negative reverse adjustable type driving chain belt tension device of thread according to claim 1, its feature exist
In：The sprocket wheel（9）It can be one kind in simple chainwheel, duplex chain wheel and multiple chainwheel.
5. a kind of positive and negative reverse adjustable type driving chain belt tension device of thread according to claim 1, its feature exist
In：The tension wheel shaft（7）And sprocket wheel（9）On fixed support（1）It is symmetrical arranged.
6. a kind of positive and negative reverse adjustable type driving chain belt tension device of thread according to claim 1, its feature exist
In：The fixed support（1）Both sides bottom, which is run through, fastening bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720347863.5U CN206798470U (en) | 2017-04-05 | 2017-04-05 | A kind of reverse adjustable type driving chain belt tension device of positive and negative thread |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720347863.5U CN206798470U (en) | 2017-04-05 | 2017-04-05 | A kind of reverse adjustable type driving chain belt tension device of positive and negative thread |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206798470U true CN206798470U (en) | 2017-12-26 |
Family
ID=60731357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720347863.5U Expired - Fee Related CN206798470U (en) | 2017-04-05 | 2017-04-05 | A kind of reverse adjustable type driving chain belt tension device of positive and negative thread |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206798470U (en) |
-
2017
- 2017-04-05 CN CN201720347863.5U patent/CN206798470U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20200405 |