CN220890958U - Anti-drop chain mechanism for chain transmission - Google Patents
Anti-drop chain mechanism for chain transmission Download PDFInfo
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- CN220890958U CN220890958U CN202322949160.8U CN202322949160U CN220890958U CN 220890958 U CN220890958 U CN 220890958U CN 202322949160 U CN202322949160 U CN 202322949160U CN 220890958 U CN220890958 U CN 220890958U
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- 230000005540 biological transmission Effects 0.000 title claims description 45
- 230000002265 prevention Effects 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 12
- 230000001105 regulatory effect Effects 0.000 abstract 2
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
A prevent chain drive mechanism for chain drive, chain drive structure includes a plurality of drive sprocket, be equipped with the chain between a plurality of drive sprocket, prevent drag chain mechanism is including being fixed in the mount in the drive sprocket outside, be equipped with anticreep unit on the mount, anticreep unit includes two connecting rods, its one end is rotated with the mount and is connected, and the plane of rotation all is coplanar with the plane that the chain is located, the other end rotates the connecting rod that is equipped with the pinch roller, still be equipped with the regulating unit that can adjust the contained angle between two connecting rods between the two connecting rods, two pinch roller can compress tightly the chain of drive sprocket both sides respectively under regulating unit effect, guaranteed its anticreep chain effect that plays in chain drive structure, even chain drive distance is far or when chain drive speed is very fast, the chain of drive sprocket both sides can laminate drive sprocket operation all the time, when the contained angle of drive sprocket both sides chain is different, prevent drag chain mechanism still can provide better anticreep chain effect for chain drive mechanism.
Description
Technical Field
The utility model relates to the technical field of transmission part protection devices, in particular to an anti-drop chain mechanism for chain transmission.
Background
The chain transmission generally refers to a transmission mode that motion and power of a driving sprocket with a special tooth shape are transmitted to a driven sprocket with a special tooth shape through a chain, and in order to ensure the tension of the chain and prevent the chain from falling off, a chain tensioning structure is generally used, for example, an application document with the application number of CN202020596772.7 in a patent library discloses a tensioning device for chain production, the tensioning device is used for adjusting the tension of the chain through the tightening effect of a tensioning wheel on the chain so as to prevent the chain from falling off, but the chain tension is adjusted through the tightening of the chain so as to realize the anti-falling effect.
Disclosure of utility model
In order to solve the technical problems in the background art, the utility model provides an anti-chain-falling mechanism for chain transmission.
The technical scheme of the utility model is as follows:
The utility model provides a chain drive's anticreep chain mechanism for chain drive, chain drive include a plurality of drive sprocket, are equipped with the chain between a plurality of drive sprocket, prevent drag chain mechanism (a kind of chain drive's anticreep chain mechanism for the chain drive) is including being fixed in the mount in the drive sprocket outside, be equipped with anticreep unit on the mount, through anticreep unit can accomplish the anticreep protection work of chain.
As the core technical conception of the utility model, the anti-drop unit comprises two connecting rods, one ends of the two connecting rods are rotationally connected with the fixing frame, the rotating planes are all coplanar with the plane where the chains are located, the other ends of the two connecting rods are rotationally provided with the compression chain wheels, an adjusting unit capable of adjusting the included angle between the two connecting rods is further arranged between the two connecting rods, the two compression chain wheels can respectively compress the chains on two sides of the transmission chain wheels under the adjusting action of the adjusting unit, the two compression chain wheels can respectively complete the compression work of the chains on two sides of the transmission chain wheels by matching with the setting of the adjusting unit, the anti-drop effect of the anti-drop chain in the chain transmission structure is ensured, the chains on two sides of the transmission chain wheels can always be attached to the transmission chain wheels to operate even if the chain transmission distance is far or the chain transmission speed is fast, and the anti-drop chain mechanism can still provide a good anti-drop chain effect for the chain transmission mechanism when the included angles of the chains on two sides of the transmission chain are different, and the application range of the device is remarkably enlarged.
As a preferable implementation mode, the included angle bisector of the two connecting rods is collinear with the included angle bisector of the chains on two sides of the transmission chain wheel close to the included angle bisector, so that the chains on two sides of the transmission chain wheel can be uniformly stressed, and the running stability of the chain transmission structure is further ensured.
In order to further ensure the stability of the chain transmission structure, the influence of the drag-preventing chain mechanism on the operation of the chain transmission structure is reduced, and the specifications of the two compression chain wheels are the same.
In order to enable the two pressing chain wheels to clamp the chains on two sides of the driving chain wheel better under the action of the connecting rods, the two connecting rods are respectively provided with a first rotating interface at one end far away from the fixing frame, and the pressing chain wheels are rotationally arranged in the first rotating interfaces.
For the suitability of increase anticreep chain mechanism, compress tightly sprocket and place connecting rod and dismantle and be connected for people can change the suitable size compress tightly sprocket according to drive sprocket's planning.
In terms of the structure of the adjusting unit, the adjusting unit comprises two connecting blocks which are respectively arranged in the middle of the two connecting rods in a rotating mode, an adjusting screw capable of adjusting the distance between the two connecting blocks is arranged between the two connecting blocks, the distance between the two connecting blocks can be adjusted through rotating the adjusting screw, and then the included angle between the two connecting rods is adjusted, so that the adjusting work can be more conveniently carried out.
For the setting mode of connecting block, for guaranteeing its connection stability, the middle part of two connecting rods all is equipped with first interface that changes, the connecting block rotates to locate in the first interface that changes.
The fixing frame comprises the fixing plate and the switching part arranged on the fixing plate, the connecting rod is rotationally connected with the switching part, and the reinforcing ribs are arranged between the switching part and the fixing plate, so that the connection stability of the connecting rod and the fixing frame is ensured.
As a preferred implementation mode, the switching portion comprises a threaded rod, the connecting rod is rotatably arranged on the threaded rod, adjusting nuts are arranged at positions, located on two sides of the connecting rod, of the threaded rod, the rotating plane of the connecting rod can be adjusted through the adjusting nuts, and then the chain can be better subjected to anti-falling protection.
In order to further ensure the structural strength of the chain-off preventing mechanism, the connecting rod is made of steel.
The utility model has the beneficial effects that: the chain anti-drop mechanism for chain transmission provided by the utility model has the advantages that the two compression chain wheels can respectively complete the compression work of the chains at the two sides of the transmission chain wheel, the anti-drop effect of the chain anti-drop mechanism in the chain transmission structure is ensured by matching with the arrangement of the adjusting unit, even if the chain transmission distance is far or the chain transmission speed is fast, the chains at the two sides of the transmission chain wheel can always be attached to the transmission chain wheel to run, and the arrangement of the adjusting unit ensures that the anti-drag chain mechanism can still provide a good anti-drop effect for the chain transmission mechanism when the included angles of the chains at the two sides of the transmission chain wheel are different, so that the application range of the device is remarkably enlarged.
Drawings
The aspects and advantages of the present utility model will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model.
In the drawings:
FIG. 1 is a schematic diagram of an exemplary anti-drag chain mechanism;
FIG. 2 is a schematic diagram (simplified diagram) of the working principle of the drag chain prevention mechanism in the embodiment;
FIG. 3 is a schematic view of a partial enlarged structure at A in FIG. 1;
FIG. 4 is a schematic view of a partial enlarged structure at B in FIG. 1;
FIG. 5 is a schematic view of a partial enlarged structure at C in FIG. 1;
the components represented by the reference numerals in the figures are:
1. A fixing frame; 11. a fixing plate; 12. a transfer table; 13. a threaded rod; 14. reinforcing ribs; 15. an adjusting nut; 2. an anti-falling unit; 21. a first link; 211. a first main lever; 2111. a second interface; 212. a first clip; 213. a second clip; 214. a third clip; 22. a second link; 23. a pressing chain wheel; 3. an adjusting unit; 31. a first connection block; 32. a second connection block; 33. adjusting a screw; 4. a drive sprocket; 5. and (3) a chain.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings.
Examples
The embodiment provides an anti-drop chain mechanism for chain transmission, see fig. 1 and 2, the chain transmission structure of this embodiment includes a plurality of driving sprockets 4, is equipped with chain 5 between a plurality of driving sprockets 4, anti-drag chain mechanism (an anti-drop chain mechanism for chain transmission described above) includes mount 1 that can be fixed in driving sprocket 4 outside, be equipped with anti-drop unit 2 on mount 1, can accomplish the anti-drop protection work of chain 5 through anti-drop unit 2, and the following structure expansion detailed description of anti-drag chain mechanism.
In this embodiment, referring to fig. 3, the fixing frame 1 includes a fixing plate 11 that is vertically disposed, a plurality of connection holes are formed on the fixing plate 11, and an adapter portion is disposed on a front plate surface, the anti-falling unit 2 is disposed on the adapter portion, and a reinforcing rib 14 is disposed between the adapter portion and the fixing plate 11, so as to ensure stability of connection between the anti-falling unit 2 and the fixing frame 1.
Specifically speaking, the switching portion is including locating the switching platform 12 on the fixed plate 11 front side face to and locate the threaded rod 13 of switching platform 12 front side, anticreep unit 2 sets up on threaded rod 13, and the position that is located anticreep unit 2 both sides on the threaded rod 13 all is equipped with adjusting nut 15, through adjusting the position of two adjusting nuts 15, can adjust the position of anticreep unit 2, makes it can accomplish the anticreep protection work of chain 5 with chain drive structure cooperation better.
In this embodiment, with reference to fig. 2, as a core technical concept of the present utility model, the anti-falling unit 2 includes two connecting rods, one ends of the two connecting rods are rotationally connected with the threaded rod 13 of the upper adapting portion of the fixing frame 1, and the rotation planes are coplanar with the plane where the chain 5 is located, where by adjusting the positions of the two adjusting nuts 15, the rotation planes of the connecting rods can be adjusted, and then the rotation planes of the two connecting rods are coplanar with the plane where the chain 5 is located, so that the anti-falling protection work of the chain 5 can be better completed; the other end of two connecting rods is all rotated and is equipped with the compression sprocket 23, still be equipped with the adjustment unit 3 that can adjust the contained angle between the two connecting rods, and two compression sprocket 23 can compress tightly the chain 5 of drive sprocket 4 both sides respectively under the regulation effect of adjustment unit 3, this kind of setting mode, the compression work of drive sprocket 4 both sides chain 5 can be accomplished respectively to two compression sprockets 23, cooperation adjustment unit 3's setting, the anticreep chain effect that has guaranteed that it played in chain drive structure, even chain transmission distance is far or chain transmission speed is fast, drive sprocket 4 operation can be laminated all the time to chain 5 of drive sprocket 4 both sides, and adjustment unit 3's setting, when making drive sprocket 4 both sides chain 5's contained angle different, combine fig. 2 (a) and fig. 2 (b), the anticreep chain drive mechanism still can provide better anticreep chain effect for chain drive mechanism, the application scope of device has been remarkably enlarged.
With respect to the arrangement mode of the connecting rods, specifically referring to fig. 3, the connecting rods include a first connecting rod 21 and a second connecting rod 22, wherein the first connecting rod 21 includes a first main rod 211, two first clamping pieces 212 are disposed in a gap between the front side and the rear side of the first main rod 211 near one end of the fixing frame 1, and the threaded rod 13 passes through one end of the two first clamping pieces 212 far from the first main rod 211; the second connecting rod 22 comprises a second main rod, two first clamping pieces 212 are also arranged at the front side and the rear side of the second main rod close to one end of the fixing frame 1 in a gap manner, the threaded rod 13 penetrates through the two first clamping pieces 212 and is far away from one end of the second main rod, and attention is paid to the fact that for ensuring the coplanarity of the rotation planes of the two connecting rods, the two first clamping pieces 212 on the first main rod 211 are respectively located on the inner sides of the two first clamping pieces 212 on the second main rod, and for ensuring the rotation stability of the two connecting rods, the outer sides of the two first clamping pieces 212 on the first main rod 211 are respectively attached to the inner sides of the two first clamping pieces 212 on the second main rod close to the threaded rod.
In terms of the arrangement mode of the pressing chain wheel 23, in combination with fig. 4, in order to enable the two pressing chain wheels 23 to better clamp the chains 5 on two sides of the driving chain wheel 4 under the action of the connecting rods, the stability of connection between the pressing chain wheel 23 and the connecting rod is guaranteed, the two connecting rods are respectively provided with a first rotating interface at one end far away from the fixing frame 1, and the pressing chain wheel 23 is rotationally arranged in the first rotating interface.
Specifically, a gap between the front side and the rear side of the end, far from the fixed frame 1, of the first main rod 211 is provided with a second clamping piece 213 and a third clamping piece 214, a first rotating interface is formed between the second clamping piece 213, the third clamping piece 214 and the end, far from the fixed frame 1, of the first main rod 211, and a pressing chain wheel 23 positioned on the first connecting rod 21 is rotatably arranged between the second clamping piece 213 and the third clamping piece 214; the second main rod is provided with a second clamping piece 213 and a third clamping piece 214 at the front and back sides of the end far away from the fixed frame 1, and the compressing sprocket 23 on the second connecting rod 22 is the same as the compressing sprocket 23 on the first connecting rod 21, and redundant description is not made here.
As a preferred embodiment, in order to increase the applicability of the anti-derailing mechanism, the pressing sprocket 23 is detachably connected with the connecting rod, so that people can replace the pressing sprocket 23 with a suitable size according to the planning of the driving sprocket 4.
As a further preferable aspect, in order to further ensure the structural strength of the anti-derailing mechanism, the connecting rod is made of steel.
In this embodiment, in connection with fig. 5, regarding the structure of the adjusting unit 3, it includes two connecting blocks that rotate respectively and set up at two connecting rod middle parts, is equipped with the adjusting screw 33 that can adjust two connecting block intervals between two connecting blocks, can adjust two connecting block intervals through rotating adjusting screw 33, and then adjusts the contained angle between two connecting rods for the adjustment work can be more convenient go on.
The setting mode of connecting block is specific, the connecting block is including being located first connecting block 31 and the second connecting block 32 on first connecting rod 21 and the second connecting rod 22 respectively, be equipped with the round hole on the first connecting block 31, be equipped with the screw hole on the second connecting block 32, adjusting screw 33 pass the round hole of first connecting block 31 and with the screw hole screwed connection of second connecting block 32, for guaranteeing the connection stability of two connecting blocks, first interface of turning over has all been seted up at the mobile jib middle part of two connecting rods, and in the first interface of turning over on two connecting rod mobile jib was located respectively to two connecting blocks.
In this embodiment, as a preferred embodiment, in combination with fig. 2, the bisector of the included angle of the two connecting rods is collinear with the bisector of the included angle of the chains 5 at two sides of the driving sprocket 4 close to the bisector of the included angle, so that the chains 5 at two sides of the driving sprocket 4 can be uniformly stressed, and the running stability of the chain driving structure is further ensured.
To further ensure the stability of the chain transmission structure, the influence of the drag-preventing chain mechanism on the operation of the chain transmission structure is reduced, and the specifications of the two pressing chain wheels 23 are the same.
Claims (10)
1. The chain-dropping preventing mechanism for chain transmission comprises a plurality of driving chain wheels (4), and a chain (5) is arranged between the driving chain wheels (4), and is characterized in that the chain-dropping preventing mechanism comprises a fixing frame (1) which can be fixed on the outer side of the driving chain wheels (4), and an anti-dropping unit (2) is arranged on the fixing frame (1);
The anti-drop unit (2) comprises two connecting rods, one ends of the two connecting rods are rotationally connected with the fixing frame (1), the rotation planes are coplanar with the plane where the chain (5) is located, the other ends of the two connecting rods are rotationally provided with pressing chain wheels (23), and the two pressing chain wheels (23) can respectively press the chain (5) on two sides of the transmission chain wheel (4);
An adjusting unit (3) capable of adjusting the included angle between the two connecting rods is arranged between the two connecting rods.
2. An anti-derailment mechanism for a chain drive according to claim 1, wherein the angle bisector of the two links is collinear with the angle bisector of the chains (5) on both sides of the drive sprocket (4) adjacent thereto.
3. An anti-derailment mechanism for a chain transmission according to claim 2, wherein the specifications of the two pressing sprockets (23) are identical.
4. A chain-drop prevention mechanism for chain transmission according to claim 3, wherein the two connecting rods are provided with a first rotating interface at one end far away from the fixing frame (1), and the pressing chain wheel (23) is rotatably arranged in the first rotating interface.
5. An anti-derailment mechanism for a chain drive according to claim 4, wherein the pinch sprocket (23) is detachably connected to the connecting rod.
6. The chain-drop prevention mechanism for chain transmission according to claim 5, wherein the adjusting unit (3) comprises two connecting blocks rotatably arranged in the middle of the two connecting rods, and an adjusting screw (33) capable of adjusting the distance between the two connecting blocks is arranged between the two connecting blocks.
7. The chain-drop preventing mechanism for chain transmission according to claim 6, wherein the middle parts of the two connecting rods are respectively provided with a first rotating interface, and the connecting block is rotatably arranged in the first rotating interface.
8. The chain-drop prevention mechanism for chain transmission according to any one of claims 1-7, wherein the fixing frame (1) comprises a fixing plate (11) and a switching part arranged on the fixing plate, the connecting rod is rotationally connected with the switching part, and a reinforcing rib (14) is arranged between the switching part and the fixing plate (11).
9. The chain-drop prevention mechanism for chain transmission according to claim 8, wherein the adapter part comprises a threaded rod (13), the threaded rod is rotatably arranged on the threaded rod (13), and adjusting nuts (15) are arranged on the threaded rod (13) at positions on two sides of the threaded rod.
10. The anti-derailment mechanism for a chain drive of claim 9, wherein the connecting rod is made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322949160.8U CN220890958U (en) | 2023-11-01 | 2023-11-01 | Anti-drop chain mechanism for chain transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322949160.8U CN220890958U (en) | 2023-11-01 | 2023-11-01 | Anti-drop chain mechanism for chain transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220890958U true CN220890958U (en) | 2024-05-03 |
Family
ID=90867323
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322949160.8U Active CN220890958U (en) | 2023-11-01 | 2023-11-01 | Anti-drop chain mechanism for chain transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220890958U (en) |
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2023
- 2023-11-01 CN CN202322949160.8U patent/CN220890958U/en active Active
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