CN215171942U - Chain wheel structure of lifter with tensioning function - Google Patents
Chain wheel structure of lifter with tensioning function Download PDFInfo
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- CN215171942U CN215171942U CN202120917522.3U CN202120917522U CN215171942U CN 215171942 U CN215171942 U CN 215171942U CN 202120917522 U CN202120917522 U CN 202120917522U CN 215171942 U CN215171942 U CN 215171942U
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Abstract
The utility model provides a hoist chain wheel structure with tensioning function, which comprises a fixed plate, wherein the fixed plate is provided with a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are both provided with chain wheels, the two chain wheels are connected through a chain, and the fixed plate is provided with a first driving mechanism for adjusting the distance between the first rotating shaft and the second rotating shaft; the fixed plate is provided with a third rotating shaft and a second driving mechanism which drives the third rotating shaft to be in sliding fit with the fixed plate, the second driving mechanism drives the third rotating shaft to move along the direction perpendicular to the straight line of the first rotating shaft and the second rotating shaft, and the third rotating shaft is provided with a chain wheel meshed with a chain. Through adopting vertical tensioning and horizontal tensioning, can conveniently adjust the tensile force of sprocket and chain, under the effect of slider and corresponding spout, can be convenient for sprocket and chain carry out the self-adaptation regulation according to self tensile force, simplified the timing process, make things convenient for the use of lifting machine more.
Description
Technical Field
The utility model relates to a lifting machine sprocket technical field, concretely relates to lifting machine sprocket structure with tensioning function.
Background
The hoister is a mechanical conveying device of a fixing device, is a large mechanical device for transportation by changing potential energy, is mainly suitable for continuous vertical hoisting of powdery, granular and small materials, and can be widely applied to hoisting of bulk materials of various scales of feed mills, flour mills, rice mills, oil mills, starch mills, grain depots, port docks and the like.
Chain wheel, chain bucket and lifting chain need be used at the lifting process to the lifting machine, in the use, because its self gravity, wearing and tearing or the factor of tensile stress can lead to lifting chain deformation extension, along with lifting chain's length increase, must will lead to chain wheel and lifting chain to appear taking off the chain phenomenon, need the manual work to adjust the position of chain wheel. In the prior art, the tension force cannot be controlled and determined, and the use of the hoister is very unfavorable due to the manual feeling and experience.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model provides a hoist chain wheel structure with tensioning function to reach the tensile force of the artifical regulation chain of being convenient for, simplify the beneficial effect of timing work.
The utility model provides a hoist chain wheel structure with tensioning function, which comprises a fixed plate, wherein the fixed plate is provided with a first rotating shaft and a second rotating shaft, the first rotating shaft and the second rotating shaft are both provided with chain wheels, the two chain wheels are connected through a chain, and the fixed plate is provided with a first driving mechanism for adjusting the distance between the first rotating shaft and the second rotating shaft; the fixed plate is provided with a third rotating shaft and a second driving mechanism which drives the third rotating shaft to be in sliding fit with the fixed plate, the second driving mechanism drives the third rotating shaft to move along the direction perpendicular to the straight line of the first rotating shaft and the second rotating shaft, and the third rotating shaft is provided with a chain wheel meshed with a chain. Vertical tensioning can be realized through first actuating mechanism, horizontal tensioning can be realized through second actuating mechanism, can conveniently adjust the tensile force of sprocket and chain, under the effect of slider and corresponding spout, can be convenient for sprocket and chain carry out self-adaptation regulation according to self tensile force, have simplified the timing process, make things convenient for the use of lifting machine more.
Furthermore, be equipped with first spout on the fixed plate, first spout extends along both places straight line of first pivot and second pivot, first actuating mechanism drive second pivot and first spout sliding fit, under the effect of first slider and first spout, can be convenient for sprocket and chain carry out self-adaptation regulation according to self tensile force.
Furthermore, a second sliding groove is formed in the fixing plate and is arranged between the first rotating shaft and the second rotating shaft, the second sliding groove is perpendicular to a straight line where the first rotating shaft and the second rotating shaft are located, and the second driving mechanism drives the third rotating shaft to be in sliding fit with the second sliding groove. Under the effect of second slider and second spout, can be convenient for sprocket and chain carry out self-adaptation regulation according to self tensile force.
Further, a driving mechanism includes first screw rod and first slider, the one end and the first spout sliding fit of first slider, the other end of first slider is fixed with the second pivot, be equipped with first screw hole on the fixed plate, the one end of first screw rod pass behind the first screw hole with first slider fixed connection, the other end of first screw rod stretches out to the fixed plate outside and is equipped with the first in command, drives first screw rod through rotating the first in command and rotates, can adjust the distance between first pivot and the second pivot to play the effect of vertical tensioning chain.
Furthermore, second actuating mechanism includes second screw rod and second slider, the one end and the second spout sliding fit of second slider, the other end of second slider is fixed with the third pivot, be equipped with the second screw hole on the fixed plate, the one end of second screw rod is fixed with the second slider after passing the second screw hole, the other end of second screw rod stretches out to the fixed plate outside and is equipped with the second handle. The second handle is rotated to drive the second screw rod to rotate, and the position of the third rotating shaft can be adjusted, so that transverse tensioning of the chain is achieved.
Furthermore, the first rotating shaft, the second rotating shaft and the third rotating shaft are positioned on the same horizontal plane, the third rotating shaft is positioned on a central line of a connecting line between the first rotating shaft and the second rotating shaft, and the first rotating shaft, the second rotating shaft and the third rotating shaft are distributed in a triangular mode.
Furthermore, the end of the second sliding block in sliding fit with the second sliding groove extends perpendicularly outwards to form a T-shaped sliding block, and a T-shaped sliding groove matched with the sliding block is arranged on the groove wall of the second sliding groove.
Furthermore, positioning parts are arranged between the fixing plate and the first sliding block and between the fixing plate and the second sliding block respectively, positioning holes are formed in the first sliding block and the second sliding block respectively, fixing holes matched with the positioning holes are formed in the fixing plate, and the positioning parts are inserted into the positioning holes and the corresponding fixing holes to fix the fixing plate and the first sliding block and the second sliding block respectively.
Furthermore, the number of the third rotating shafts is two, and the two third rotating shafts are symmetrically distributed on the second sliding groove, so that the tensioning force of the chain can be further improved.
Furthermore, the positioning piece adopts a positioning column, so that the inserting and positioning are facilitated.
The beneficial effects of the utility model reside in that:
the utility model provides a hoist chain wheel structure with tensioning function, be equipped with the first actuating mechanism that is used for adjusting first pivot and second pivot interval on the fixed plate, first actuating mechanism can carry out longitudinal tensioning to the chain; the fixed plate is provided with a third rotating shaft and a second driving mechanism for driving the third rotating shaft to be in sliding fit with the fixed plate, the second driving mechanism can transversely tension the chain, the tensioning force of the chain wheel and the chain can be conveniently adjusted by adopting longitudinal tensioning and transverse tensioning, under the action of the sliding block and the corresponding sliding groove, the self-adaptive adjustment of the chain wheel and the chain according to the self-tensioning force can be conveniently realized, the adjustment work is simple, and the use of the elevator is more convenient; by adopting the longitudinal tensioning, the transverse moving distance of the third rotating shaft can be reduced, and the tensioning force can be further improved. The third rotating shaft is positioned on the central line of a connecting line between the first rotating shaft and the second rotating shaft, and the third rotating shaft, the first rotating shaft and the second rotating shaft are distributed in a triangular mode, so that the tensioning force can be more uniform and stable.
Furthermore, the utility model relates to a principle is reliable, and simple structure has very extensive application prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic front view of a chain wheel structure of a hoist according to a first embodiment of the present invention.
FIG. 2 is a schematic sectional view A-A of FIG. 1.
Fig. 3 is a schematic front view of a chain wheel structure of a hoist according to a second embodiment of the present invention.
In the figure, 1, a fixing plate, 2, a first rotating shaft, 3, a second rotating shaft, 4, a chain wheel, 5, a chain, 6, a third rotating shaft, 7, a first sliding groove, 8, a second sliding groove, 9, a first screw rod, 10, a first sliding block, 11, a first handle, 12, a second screw rod, 13, a second sliding block, 14, a positioning piece, 15 and a second handle.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments, and obviously, the embodiments described below are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection of this patent.
It will be understood that when an element or layer is referred to as being "on," connected to, "or" coupled to "another element or layer, it can be directly on, connected or coupled to the other element or layer, and intervening elements or layers may also be present. In contrast, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element or layer, there are no intervening elements or layers present. Like numbers refer to like elements throughout. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Spatially relative terms such as "under …", "below", "lower", "above", "over", and the like, as may be used herein for ease of description, describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.
The following explains key terms appearing in the present invention.
Example one
As shown in fig. 1 and fig. 2, the utility model provides an elevator sprocket structure with tensioning function, including fixed plate 1, in this embodiment, fixed plate 1 adopts the rectangle structure, first pivot 2 is installed on the upper portion of fixed plate 1, and second pivot 3 is installed to the bottom, and the vertical setting of first pivot 2 is on second pivot 3 upper portions. The length of the fixing plate 1 is set according to the distance between the first rotating shaft 2 and the second rotating shaft 3. And chain wheels 4 are respectively arranged on the first rotating shaft 2 and the second rotating shaft 3, and the chain wheels 4 are respectively and rotationally connected with the two rotating shafts. The two sprockets 4 are connected by a chain 5. And a first driving mechanism for adjusting the distance between the first rotating shaft 2 and the second rotating shaft 3 is arranged on the fixing plate 1. Be equipped with third pivot 6 on the fixed plate 1 and drive third pivot 6 and fixed plate 1 sliding fit's second actuating mechanism, third pivot 6 sets up between first pivot 2 and second pivot 3, second actuating mechanism drive third pivot 6 removes along the direction of the straight line of perpendicular to first pivot 2 and second pivot 3 both places, install the sprocket with 5 meshing of chain in the third pivot. The first rotating shaft 2, the second rotating shaft 3 and the third rotating shaft 6 are positioned on the same horizontal plane and are distributed in a triangular mode.
A first sliding groove 7 is formed in the fixing plate 1, and the first sliding groove is 7-bit long strip-shaped groove. The first sliding groove 7 extends along a straight line where the first rotating shaft 2 and the second rotating shaft 3 are located, and the first driving mechanism drives the second rotating shaft 3 to be in sliding fit with the first sliding groove 7. The fixed plate 1 is provided with a second chute 8, and the second chute 8 is a strip-shaped groove. The second chute 8 is arranged between the first rotating shaft 2 and the second rotating shaft 3, the second chute 8 is perpendicular to the straight line where the first rotating shaft 2 and the second rotating shaft 3 are located, the second chute 8 is located on the central line of the connecting line where the first rotating shaft 2 and the second rotating shaft 3 are located, and the second driving mechanism drives the third rotating shaft 6 to be in sliding fit with the second chute 8.
Specifically, the first driving mechanism comprises a first screw rod 9 and a first sliding block 10, one end of the first sliding block 10 is in sliding fit with the first sliding groove 7, one end of the first sliding block 10 in sliding fit with the first sliding groove 7 extends outwards perpendicularly to form a T-shaped sliding block, and a T-shaped sliding groove matched with the sliding block is formed in the groove wall of the first sliding groove 7. The other end of first slider 10 is fixed with second pivot 3, be equipped with first screw hole on the fixed plate 1, the one end of first screw rod 9 passes behind the first screw hole with first slider 10 fixed connection, the other end of first screw rod 9 stretches out to fixed plate 1 outside and is equipped with the first in command 11.
The second driving mechanism comprises a second screw 12 and a second sliding block 13, one end of the second sliding block 13 is in sliding fit with the second sliding groove 8, one end of the second sliding block 13 in sliding fit with the second sliding groove 8 extends outwards perpendicularly to form a T-shaped sliding block, and a T-shaped sliding groove matched with the sliding block is arranged on the groove wall of the second sliding groove 8. The other end of second slider 13 is fixed with third pivot 6, be equipped with the second screw hole on the fixed plate 1, the one end of second screw rod 12 is fixed with second slider 13 after passing the second screw hole, the other end of second screw rod 12 stretches out to fixed plate 1 outside and is equipped with second handle 15. Positioning parts 14 are arranged between the fixed plate 1 and the first slider 10 and between the fixed plate and the second slider 13 respectively, and the positioning parts 14 adopt positioning columns. The first slider 10 and the second slider 13 are both provided with positioning holes, the fixing plate 1 is provided with fixing holes matched with the positioning holes, the positioning holes and the fixing holes are all unthreaded holes, and the positioning columns are in clearance fit with the unthreaded holes, so that connection failure caused by threaded connection can be avoided.
The implementation manner of the first embodiment is as follows:
the first handle 11 is rotated to drive the first screw 9 to rotate, so that the first sliding block 10 and the first rotating shaft 2 are driven to move, the distance between the first rotating shaft 2 and the second rotating shaft 3 can be adjusted, and the chain 5 can be longitudinally tensioned; rotate second handle 15 and drive second screw rod 12 and rotate, can adjust the distance between third pivot 6 and first pivot 2 and the second pivot 3, can carry out horizontal tensioning to chain 5. After the first slider 10 and the second slider 13 move to the proper positions, the positioning element 14 is inserted into the positioning hole and the corresponding fixing hole, and the fixing plate 1 is fixed with the first slider 10 and the second slider 13 respectively. The first rotating shaft 2, the second rotating shaft 3 and the third rotating shaft 6 are positioned on the same horizontal plane and distributed in a triangular mode, so that the structures among the first rotating shaft, the second rotating shaft and the third rotating shaft are more stable. By transversely tensioning and longitudinally tensioning the chain, the tensioning force can be more uniform and stable.
Example two
As shown in fig. 3, the difference between the present embodiment and the first embodiment is: the number of the third rotating shafts 6 is two, and the two third rotating shafts 6 are symmetrically distributed on the second sliding groove 8. Rotate the second handle 15 on two third pivots 6 respectively for two third pivots 6 remove in opposite directions, can carry out the tensioning to the chain, make the tensioning force more even, can further improve the tensioning effect.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides a hoist sprocket structure with tensioning function, includes fixed plate (1), be equipped with first pivot (2) and second pivot (3) on fixed plate (1), all install sprocket (4) on first pivot (2) and second pivot (3), two sprocket (4) link to each other its characterized in that through chain (5): a first driving mechanism for adjusting the distance between the first rotating shaft (2) and the second rotating shaft (3) is arranged on the fixing plate (1); be equipped with third pivot (6) and drive third pivot (6) and fixed plate (1) sliding fit's second actuating mechanism on fixed plate (1), second actuating mechanism drives third pivot (6) and removes along the direction of the first pivot of perpendicular to (2) and second pivot (3) both places straight line, install the sprocket with chain (5) meshing in the third pivot.
2. The hoist sprocket structure with tensioning function according to claim 1, characterized in that: the fixed plate (1) is provided with a first sliding chute (7), the first sliding chute (7) extends along the straight line where the first rotating shaft (2) and the second rotating shaft (3) are located, and the first driving mechanism drives the second rotating shaft (3) to be in sliding fit with the first sliding chute (7).
3. The hoist sprocket structure with tensioning function according to claim 2, characterized in that: be equipped with second spout (8) on fixed plate (1), second spout (8) set up between first pivot (2) and second pivot (3), second spout (8) perpendicular to first pivot (2) and second pivot (3) place straight line, second actuating mechanism drive third pivot (6) and second spout (8) sliding fit.
4. The hoist sprocket structure with tensioning function according to claim 3, characterized in that: the first driving mechanism comprises a first screw rod (9) and a first sliding block (10), one end of the first sliding block (10) is in sliding fit with a first sliding groove (7), the other end of the first sliding block (10) is fixed with a second rotating shaft (3), a first threaded hole is formed in the fixing plate (1), one end of the first screw rod (9) penetrates through the first threaded hole and then is fixedly connected with the first sliding block (10), and the other end of the first screw rod (9) extends out of the fixing plate (1) and is provided with a first handle (11).
5. The hoist sprocket structure with tensioning function according to claim 4, characterized in that: the second driving mechanism comprises a second screw rod (12) and a second sliding block (13), one end of the second sliding block (13) is in sliding fit with a second sliding groove (8), a third rotating shaft (6) is fixed to the other end of the second sliding block (13), a second threaded hole is formed in the fixing plate (1), one end of the second screw rod penetrates through the second threaded hole and then is fixed to the second sliding block (13), and the other end of the second screw rod (12) extends out of the fixing plate (1) and is provided with a second handle (15).
6. The hoist sprocket structure with tensioning function of claim 5, characterized in that: the first rotating shaft (2), the second rotating shaft (3) and the third rotating shaft (6) are positioned on the same horizontal plane, the third rotating shaft (6) is positioned on the central line of a connecting line between the first rotating shaft (2) and the second rotating shaft (3), and the first rotating shaft, the second rotating shaft and the third rotating shaft are distributed in a triangular mode.
7. The hoist sprocket structure with tensioning function of claim 5, characterized in that: one end of the second sliding block (13) in sliding fit with the second sliding groove (8) extends outwards vertically to form a T-shaped sliding block, and a T-shaped sliding groove matched with the sliding block is arranged on the groove wall of the second sliding groove (8).
8. The hoist sprocket structure with tensioning function of claim 5, characterized in that: the fixing plate is characterized in that positioning parts (14) are arranged between the fixing plate (1) and the first sliding block (10) and the second sliding block (13) respectively, positioning holes are formed in the first sliding block (10) and the second sliding block (13), fixing holes matched with the positioning holes are formed in the fixing plate (1), the positioning parts (14) are inserted into the positioning holes and the corresponding fixing holes, and the fixing plate (1) is fixed with the first sliding block (10) and the second sliding block (13) respectively.
9. The hoist sprocket structure with tensioning function according to claim 3, characterized in that: the number of the third rotating shafts (6) is two, and the two third rotating shafts (6) are symmetrically distributed on the second sliding groove (8).
10. The hoist sprocket structure with tensioning function of claim 8, characterized in that: the positioning piece (14) adopts a positioning column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120917522.3U CN215171942U (en) | 2021-04-29 | 2021-04-29 | Chain wheel structure of lifter with tensioning function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120917522.3U CN215171942U (en) | 2021-04-29 | 2021-04-29 | Chain wheel structure of lifter with tensioning function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215171942U true CN215171942U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120917522.3U Active CN215171942U (en) | 2021-04-29 | 2021-04-29 | Chain wheel structure of lifter with tensioning function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215171942U (en) |
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2021
- 2021-04-29 CN CN202120917522.3U patent/CN215171942U/en active Active
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