CN203548749U - Tensioning mechanism of harvesting machine - Google Patents
Tensioning mechanism of harvesting machine Download PDFInfo
- Publication number
- CN203548749U CN203548749U CN201320614186.0U CN201320614186U CN203548749U CN 203548749 U CN203548749 U CN 203548749U CN 201320614186 U CN201320614186 U CN 201320614186U CN 203548749 U CN203548749 U CN 203548749U
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- China
- Prior art keywords
- tensioning
- harvest machinery
- slide bar
- tensioning mechanism
- elastic member
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Abstract
The utility model discloses a tensioning mechanism of a harvesting machine, wherein the tensioning mechanism is arranged on a harvesting table rack of the harvesting machine. The tensioning mechanism comprises a mounting rack arranged on the harvesting table rack, wherein the mounting rack is provided with a tensioning bracket in a sliding manner; the tensioning bracket is provided with two tensioning components oppositely arranged; one end of the tensioning bracket is connected with a sliding rod; the sliding rod penetrates through the mounting rack in the sliding manner; the sliding rod is provided with an elastic component; the end of the sliding rod is provided with a backstop device for restricting the elastic component. When transmission parts of the harvesting machine receive extremely great impact force and inertia force, the sliding of the tensioning bracket in the mounting rack drives the tensioning components to adjust the tensioning of the transmission parts of the harvesting machine, and thus the impact force and the inertia force to the transmission parts are eliminated or alleviated. According to the tensioning mechanism, the extremely great impact force and inertia force can be effectively eliminated or alleviated, the service life of workpieces is prolonged, the reliability of the machine is improved, and the using effect is good.
Description
Technical field
The utility model relates to a kind of harvest machinery tensioning mechanism.
Background technique
The tensioning mechanism of existing harvest machinery only has fixed tensioning parts, belongs to rigid tensioning, when driving component linear velocity is low, can normally use, but when on-line velocity is high, can there is following problem: 1., when machine startup, driving component is subject to very large driving force; When machine cuts off suddenly power input, due to running gear High Rotation Speed, running gear is very large inertial force because inertia produces, and driving component is very easily broken in above-mentioned two situations, causes deformation of timbering, bearing damage etc.; 2. poor reliability, tension part wearing and tearing are larger, and working life is very low, Frequent Troubles, machine cisco unity malfunction, causes manufacturing efficiency low.
Model utility content
Technical problem to be solved in the utility model is to provide one and can effectively very large impact force and inertial force is eliminated or be alleviated, and improves the reliability of workpiece life-span and machine, the harvest machinery tensioning mechanism that using effect is good.
For solving the problems of the technologies described above, the technical solution of the utility model is: harvest machinery tensioning mechanism, be arranged on the results stand of harvest machinery, comprise the scaffold being arranged on described results stand, on described scaffold, slide and be provided with tensioning support, two tension parts that are oppositely arranged are installed on described tensioning support, one end of described tensioning support is connected with slide bar, described slide bar slides through described scaffold, described slide bar is provided with elastic member, and the end of described slide bar is provided with the stop device of the described elastic member of constraint.
As preferred technological scheme, described elastic member comprises the spring ring being set on described slide bar.
As the improvement to technique scheme, on described slide bar, be positioned at the sheathed guide pin bushing in two ends of described spring ring.
As the further improvement to technique scheme, described stop device is hexagon nut.
As the further improvement to technique scheme, described tension part comprises that the tensioning cylinder being formed by spheroidal graphite cast iron cutting takes turns, and described tensioning cylinder wheel is rotatably installed on described tensioning support by central shaft.
As the further improvement to technique scheme, described tensioning support is provided with adjusting slotted eye, and described at least one, the central shaft of tensioning cylinder wheel is arranged on described adjusting slotted eye, between described central shaft and described tensioning support, is provided with lock bolt.
As the especially further improvement to technique scheme, described tensioning cylinder is taken turns between described central shaft and is provided with spring bearing.
As the especially further improvement to technique scheme, the circumferential surface of described tensioning cylinder wheel is provided with the annular projection coordinating with driving component.
Owing to having adopted technique scheme, harvest machinery tensioning mechanism, be arranged on the results stand of harvest machinery, comprise the scaffold being arranged on described results stand, on described scaffold, slide and be provided with tensioning support, two tension parts that are oppositely arranged are installed on described tensioning support, one end of described tensioning support is connected with slide bar, described slide bar slides through described scaffold, and described slide bar is provided with elastic member, and the end of described slide bar is provided with the stop device of the described elastic member of constraint.Described tensioning support, described tension part and described elastic member assembly are arranged on scaffold, when the driving component of harvest machinery is subject to very large impact force and inertial force, described tension part is stressed, impel the slip of described tensioning support at described scaffold, drive described tension part, regulate the tensioning of the driving component of harvest machinery, with this, eliminate or alleviate transmission part impact force and inertial force, described elastic member moves on described slide bar simultaneously, described elastic member generation deformation.Complete after the adjusting of tensioning of the driving component of harvest machinery, described tensioning support, described tension part reset under the effect of described elastic member restoring force.The frictional force of described scaffold and the energy of deformation of described elastic member are effectively offset to drive and are clashed into and inertia kinetic energy, effectively protect each transmission part.The utility model can effectively be eliminated very large impact force and inertial force or alleviate, and improves the reliability of workpiece life-span and machine, and using effect is good.
Accompanying drawing explanation
The following drawings is only intended to the utility model to schematically illustrate and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the utility model embodiment's structural representation;
Fig. 2 is the utility model embodiment's plan view;
Fig. 3 is the structural representation that the utility model embodiment uses state.
In figure: 1-scaffold; 2-tensioning support; 3-guide pin bushing; 4-spring ring; 5-hexagon nut; 6-tensioning cylinder wheel; 7-annular projection; 8-driving component; 9-regulates slotted eye; 10-slide bar.
Embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.In the following detailed description, only by the mode of explanation, some example embodiment of the present utility model has been described.Undoubtedly, those of ordinary skill in the art can recognize, in the situation that not departing from spirit and scope of the present utility model, can to described embodiment, revise by various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than for limiting the protection domain of claim.
As depicted in figs. 1 and 2, harvest machinery tensioning mechanism, be arranged on the results stand of harvest machinery, comprise the scaffold 1 being arranged on described results stand, on described scaffold 1, slide and be provided with tensioning support 2, two tension parts that are oppositely arranged are installed on described tensioning support 2, one end of described tensioning support 2 is connected with slide bar 10, described slide bar 10 slides through described scaffold 1, described slide bar 10 is provided with elastic member, and the end of described slide bar 10 is provided with the stop device of the described elastic member of constraint.
As shown in Figure 3, described tensioning support 2, described tension part and described elastic member assembly are arranged on scaffold 1, when the driving component 8 of harvest machinery is subject to very large impact force and inertial force, described tension part is stressed, impel the slip of described tensioning support 2 at described scaffold 1, drive described tension part, regulate the tensioning of the driving component 8 of harvest machinery, with this, eliminate or alleviate transmission part impact force and inertial force, described elastic member moves on described slide bar 10 simultaneously, described elastic member generation deformation.Complete after the adjusting of tensioning of the driving component 8 of harvest machinery, described tensioning support 2, described tension part reset under the effect of described elastic member restoring force.The frictional force of described scaffold 1 and the energy of deformation of described elastic member are effectively offset to drive and are clashed into and inertia kinetic energy, effectively protect each transmission part.The utility model can effectively be eliminated very large impact force and inertial force or alleviate, and improves the reliability of workpiece life-span and machine, and using effect is good.
Described elastic member comprises the spring ring 4 being set on described slide bar 10.On described slide bar 10, be positioned at the sheathed guide pin bushing 3 in two ends of described spring ring 4.Described stop device is hexagon nut 5.When said structure slides described tensioning support 2 on described scaffold 1, described spring ring 4 moves on described slide bar 10, impels described spring ring 4 that deformation occurs.Complete after the adjusting of tensioning of the driving component 8 of harvest machinery, described tensioning support 2, described tension part reset under the effect of described spring ring 4 restoring forces, for regulating ready next time.
Described tension part comprises the tensioning cylinder wheel 6 being formed by spheroidal graphite cast iron cutting, and described tensioning cylinder wheel 6 is rotatably installed on described tensioning support 2 by central shaft.Described tension part, from structure was different in the past, is a kind of through custom-designed structure, and material used adopts spheroidal graphite cast iron to form through cutting, has increased wear resistance.
Described tensioning support 2 is provided with and regulates slotted eye 9, and described at least one, the central shaft of tensioning cylinder wheel 6 is arranged on described adjusting slotted eye 9, between described central shaft and described tensioning support 2, is provided with lock bolt.Regulate the position of described central shaft in described adjusting slotted eye 9, the convenient distance regulating between described tensioning cylinder wheel 6, coordinates described driving component 8 with this, easy to use.
Between described tensioning cylinder wheel 6 and described central shaft, be provided with spring bearing.Described spring bearing has increased supporting force.
The circumferential surface of described tensioning cylinder wheel 6 is provided with the annular projection 7 coordinating with driving component 8.Described annular projection 7 original states and driving component 8 have certain interval, convenient installation, and described annular projection 7 contacts with driving component 8, regulates driving component 8 tensionings of harvest machinery, can also reduce area of contact, reduces friction.
More than show and described basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. harvest machinery tensioning mechanism, be arranged on the results stand of harvest machinery, comprise the scaffold being arranged on described results stand, it is characterized in that: on described scaffold, slide and be provided with tensioning support, two tension parts that are oppositely arranged are installed on described tensioning support, and one end of described tensioning support is connected with slide bar, and described slide bar slides through described scaffold, described slide bar is provided with elastic member, and the end of described slide bar is provided with the stop device of the described elastic member of constraint.
2. harvest machinery tensioning mechanism as claimed in claim 1, is characterized in that: described elastic member comprises the spring ring being set on described slide bar.
3. harvest machinery tensioning mechanism as claimed in claim 2, is characterized in that: the sheathed guide pin bushing in two ends that is positioned at described spring ring on described slide bar.
4. harvest machinery tensioning mechanism as claimed in claim 1, is characterized in that: described stop device is hexagon nut.
5. the harvest machinery tensioning mechanism as described in claim 1,2,3 or 4, is characterized in that: described tension part comprises that the tensioning cylinder being formed by spheroidal graphite cast iron cutting takes turns, and described tensioning cylinder wheel is rotatably installed on described tensioning support by central shaft.
6. harvest machinery tensioning mechanism as claimed in claim 5, it is characterized in that: described tensioning support is provided with adjusting slotted eye, described at least one, the central shaft of tensioning cylinder wheel is arranged on described adjusting slotted eye, between described central shaft and described tensioning support, is provided with lock bolt.
7. harvest machinery tensioning mechanism as claimed in claim 5, is characterized in that: between described tensioning cylinder wheel and described central shaft, be provided with spring bearing.
8. harvest machinery tensioning mechanism as claimed in claim 5, is characterized in that: the circumferential surface of described tensioning cylinder wheel is provided with the annular projection coordinating with driving component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320614186.0U CN203548749U (en) | 2013-09-30 | 2013-09-30 | Tensioning mechanism of harvesting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320614186.0U CN203548749U (en) | 2013-09-30 | 2013-09-30 | Tensioning mechanism of harvesting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203548749U true CN203548749U (en) | 2014-04-16 |
Family
ID=50466870
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320614186.0U Expired - Fee Related CN203548749U (en) | 2013-09-30 | 2013-09-30 | Tensioning mechanism of harvesting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203548749U (en) |
-
2013
- 2013-09-30 CN CN201320614186.0U patent/CN203548749U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20140416 Termination date: 20170930 |