CN220245424U - Chain jump preventing device - Google Patents
Chain jump preventing device Download PDFInfo
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- CN220245424U CN220245424U CN202321933429.7U CN202321933429U CN220245424U CN 220245424 U CN220245424 U CN 220245424U CN 202321933429 U CN202321933429 U CN 202321933429U CN 220245424 U CN220245424 U CN 220245424U
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- chain
- plate
- jump
- sliding
- wheel
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- 230000002265 prevention Effects 0.000 claims abstract description 14
- 230000009191 jumping Effects 0.000 claims abstract description 12
- 238000000926 separation method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000005484 gravity 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
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Abstract
The utility model particularly relates to a chain jumping prevention device, which comprises a stand column, wherein a chain wheel is rotatably arranged above the stand column, a chain is arranged on the chain wheel, a baffle plate is fixedly arranged on the stand column, the upper part of the baffle plate is a backward inclined plane, the lower part of the baffle plate is parallel to the chain and downward, a cover plate is fixedly arranged on the stand column, a chain jumping prevention plate is arranged in the cover plate, the chain is positioned between the chain jumping prevention plate and the chain wheel, and the inner side surface of the chain jumping prevention plate is of an arc-shaped inward concave inclined plane structure; the utility model can limit the chain when moving on the chain wheel, thereby avoiding safety accidents caused by the fact that the chain is separated from the chain wheel when moving; meanwhile, the baffle plates are arranged, so that safety accidents caused by interference folding among the chains due to the fact that the lower ends of the chains rotate along with the chain wheels when the chains rotate along with the chain wheels can be avoided; the anti-jump chain plate capable of moving up and down and forward and backward is arranged, so that the chain can be conveniently limited on the chain, and meanwhile, the chain can be conveniently replaced or detached, and the anti-jump chain plate can be suitable for the chain without thickness.
Description
Technical Field
The utility model belongs to the technical field of auxiliary parking transmission equipment, and particularly relates to a chain jump preventing device.
Background
At present, in places with large parking volumes, such as large malls, 4S stores, high-rise office buildings and the like, the contradiction between the occupied area of a parking lot and the building area exists. Therefore, more and more merchants adopt the stereo garage to solve the problem of insufficient parking spaces. At present, a plurality of liftable parking spaces exist in society, and most of the liftable parking spaces adopt a chain and sprocket driving mode to drive a vehicle carrying plate to move up and down, but a plurality of potential safety hazards exist in the driving process, for example, a chain jumping phenomenon is easy to occur between a chain and a sprocket.
In order to avoid the phenomenon, a plurality of structures for avoiding chain jump are also in the prior society. For example, chinese patent application No.: 201811033925.0 it is noted that an effective back cantilever chain jump preventing chain device, including pressing the link plate group, press the link plate group including pressing the face riser, press the chain diaphragm, press chain platform and press chain baffle, press chain riser lower extreme and press chain diaphragm fixed connection, press chain riser and press chain diaphragm inboard be the arc, press chain riser and press chain diaphragm outside be the right angle, press chain diaphragm left and right sides to be equipped with the diaphragm hole, press chain diaphragm right side to be the arc, press chain diaphragm left side and press chain platform fixed connection, press chain platform lower extreme and two press chain baffle fixed connection, press chain baffle length slightly to be less than press chain platform, press chain baffle lower extreme to have the arc breach, for producing any change to former back cantilever structure, do not influence its structural property, use experience, very big improvement equipment's security performance.
The technical scheme can realize the chain jump prevention function of the chain, but is inconvenient when the chain needs to be replaced or maintained and detached, and the chain can be replaced and maintained only by manually detaching the chain pressing plate group; and for the chain stressed in a single direction, if the chain at one side which is not stressed or is stressed less is stretched and moved, the chain is very easy to rotate along with the chain wheel, so that the chain is interfered to fold, and even serious safety accidents are caused.
In order to solve the problems, the utility model designs the chain jump preventing device which can prevent the chain from jumping, can conveniently disassemble and maintain the chain, and is applicable to chains with different thicknesses.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a chain jump preventing device.
The purpose of the utility model is realized in the following way: the chain jumping prevention device comprises a stand column, a chain wheel is rotatably arranged above the stand column, a chain is arranged on the chain wheel, a baffle is fixedly arranged on the stand column, the baffle is positioned on the outer side of the lower portion of the chain wheel, the upper portion of the baffle is a backward inclined plane, the lower portion of the baffle is parallel to the chain downwards, a cover plate is fixedly arranged on the stand column, a chain jumping prevention plate is arranged in the cover plate, the chain is positioned between the chain jumping prevention plate and the chain wheel, and the inner side surface of the chain jumping prevention plate is of an arc-shaped inwards concave inclined plane structure.
Furthermore, the cover plate is internally provided with an anti-jump connecting plate which can move back and forth or up and down.
Further, the front side of the cover plate is provided with a strip-shaped through hole, a sliding block is arranged in the strip-shaped through hole and can move up and down, and the rear side of the sliding block is connected with the anti-jump chain plate.
Further, the rotatable dwang first that is provided with in sliding block upper end is fixed to be provided with the backup pad on the apron of bar through-hole top, and the perpendicular screw thread of dwang first runs through the backup pad, is threaded connection between dwang first and the backup pad.
Further, a sliding groove is formed in the middle of the rear side face of the sliding block, a sliding plate is arranged in the sliding groove and can move back and forth, and an anti-jump chain plate is fixedly connected to the rear side of the sliding plate.
When the chain is used, the front side of the chain is subjected to self gravity or the balancing weight moves downwards along with the rotation of the chain wheel, and the rear side of the chain pulls the vehicle carrying plate or other articles, so that the chain jumping phenomenon caused by the swing of the chain is required to be prevented when the chain wheel rotates rapidly. The chain rotates along with the chain wheel, when the chain rotates along with the chain wheel, the chain wheel drives the chain to rotate, and the driving mode of the chain wheel is not limited to the prior art; to avoid chain disengagement from the sprocket due to excessive sprocket rotational speed or other factors; the anti-jump chain plate is arranged to enable the protruding part at the rear side of the anti-jump chain plate to be positioned in the middle of the chain, so that the chain is clamped at the position between the chain wheel and the anti-jump chain plate, and the chain is prevented from being separated from the chain wheel.
The chain is provided with the separation blade, so that the lower end of the chain is prevented from continuing to rotate along with the chain wheel when the chain rotates along with the chain wheel, and the separation blade can separate the chain from the chain wheel when the chain moves downwards, so that the chain is prevented from rotating along with the chain wheel.
The anti-jump chain plate which can move up and down or back and forth is arranged, so that the chain can be conveniently detached from the chain wheel; the first rotating rod can adjust the sliding block to move up and down along the strip-shaped through hole, and the up-down position of the anti-jump chain plate can be adjusted. The second rotating rod can be rotated to adjust the sliding plate to move back and forth along the sliding groove, so that the front and back positions of the anti-jump chain plate can be adjusted. The positions of the anti-jump chain plates can be adjusted for chains with different thicknesses.
The beneficial effect of this device: the utility model can limit the chain when moving on the chain wheel, thereby avoiding safety accidents caused by the fact that the chain is separated from the chain wheel when moving; meanwhile, the baffle plates are arranged, so that safety accidents caused by interference folding among the chains due to the fact that the lower ends of the chains rotate along with the chain wheels when the chains rotate along with the chain wheels can be avoided; the anti-jump chain plate capable of moving up and down and forward and backward is arranged, so that the chain can be conveniently limited on the chain, and meanwhile, the chain can be conveniently replaced or detached, and the anti-jump chain plate can be suitable for the chain without thickness.
Drawings
Fig. 1 is a schematic diagram of the structure of the utility model.
Fig. 2 is a schematic rear side structure of the utility model.
Fig. 3 is a cross-sectional view of the cover plate of the utility model.
Fig. 4 is a schematic view of a partial structure of the utility model.
Fig. 5 is a right side view of the utility model.
FIG. 6 is a schematic view of the structure of the inventive chain, sprocket and spacer.
FIG. 7 is a schematic view of the structure of the anti-skip plate, sprocket and spacer of the present utility model.
Fig. 8 is a perspective view of the utility model.
Fig. 9 is a schematic diagram of the structure of the inventive chain and sprocket.
Fig. 10 is a schematic structural view of the utility model when applied to a liftable vehicle carrying plate.
List of reference numerals parts
1. The anti-jump chain comprises a chain, a vertical column, a cover plate, a sliding block, a rotating rod II, a supporting plate 6, a rotating rod I, an anti-jump chain plate 8, a chain wheel 9, a chain wheel 10, a sliding plate 11, a connecting rod and a separation sheet 12.
Detailed Description
1, as shown in fig. 1-10, the anti-jump chain device comprises a stand column 2, a sprocket 9 is rotatably arranged above the stand column 2, a chain 1 is arranged on the sprocket 9, a baffle plate 12 is fixedly arranged on the stand column 2, the baffle plate 12 is positioned on the outer side below the sprocket 9, the upper part of the baffle plate 12 is a backward inclined plane, the lower part of the baffle plate 12 is parallel to the chain 1 and downward, a cover plate 3 is fixedly arranged on the stand column 2, an anti-jump chain plate 8 is arranged in the cover plate 3, the chain 1 is positioned between the anti-jump chain plate 8 and the sprocket 9, and the inner side surface of the anti-jump chain plate 8 is of an arc-shaped concave inclined plane structure.
The cover plate 3 is internally provided with an anti-jump connecting plate which can move back and forth or up and down. The front side of the cover plate 3 is provided with a strip-shaped through hole, a sliding block is arranged in the strip-shaped through hole and can move up and down, and the rear side of the sliding block is connected with the anti-jump chain plate 8.
The rotatable dwang 7 that is provided with in sliding block upper end is provided with backup pad 6 on the apron 3 of bar through-hole top, and the perpendicular screw thread of dwang 7 runs through backup pad 6, is threaded connection between dwang 7 and the backup pad 6. The middle part of the rear side surface of the sliding block is provided with a sliding groove, a sliding plate 10 is arranged in the sliding groove and can move back and forth, and the rear side of the sliding plate 10 is fixedly connected with an anti-jump chain plate 8. The screw thread on the sliding block front side plate is penetrated and provided with a second rotating rod 5, and the rear end of the second rotating rod 5 can rotate around the shaft diameter of the sliding plate 10.
The rear side of the slide plate 10 is fixedly provided with a connecting rod 11, and the rear end of the connecting rod 11 is fixedly connected with the anti-jump chain plate 8. The left side and the right side of the rear side of the jump-proof chain plate 8 respectively protrude backwards, the lower part of the backward protruding part is of a concave arc structure, and a single backward protruding part is positioned in the chain 1.
When the utility model is used, the chain 1 rotates along with the chain wheel 9, and when the chain 1 rotates along with the chain wheel 9, the chain 1 is prevented from being separated from the chain wheel 9 due to the over-high rotation speed of the chain wheel 9 or other factors; the anti-jump chain plate 8 is arranged so that the protruding part at the rear side of the chain is positioned in the middle of the chain 1, and the chain 1 is clamped at the position between the chain wheel 9 and the anti-jump chain plate 8, so that the chain is prevented from being separated from the chain wheel 9.
The separation blade 12 is arranged to prevent the lower end of the chain 1 from continuing to rotate along with the chain wheel 9 when the chain 1 rotates along with the chain wheel 9, and the separation blade 12 is arranged to separate the chain 1 from the chain wheel 9 when the chain 1 moves downwards, so that the chain 1 is prevented from rotating along with the chain wheel 9.
The anti-jump chain plate 8 which can move up and down or back and forth is arranged, so that the chain 1 can be conveniently detached from the chain wheel 9; the first rotating rod 7 can be rotated to adjust the sliding block 4 to move up and down along the strip-shaped through hole, and the up-and-down position of the anti-jump chain plate 8 can be adjusted. The second rotating rod 5 can be rotated to adjust the sliding plate 10 to move back and forth along the sliding groove, so as to adjust the back and forth position of the anti-jump chain plate 8. The position of the anti-jump chain plate 8 can be adjusted for chains 1 of different thickness.
The above description is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (7)
1. Prevent jumping chain device, including the stand, stand top rotatable be provided with sprocket, its characterized in that: the chain wheel is provided with a chain, the upright post is fixedly provided with a baffle plate, the baffle plate is positioned on the outer side below the chain wheel, the upper part of the baffle plate is a backward inclined plane, the lower part of the baffle plate is parallel to the chain and downward, the upright post is fixedly provided with a cover plate, an anti-jump chain plate is arranged in the cover plate, the chain is positioned between the anti-jump chain plate and the chain wheel, and the inner side surface of the anti-jump chain plate is of an arc-shaped inward concave inclined plane structure.
2. The chain jump prevention device according to claim 1, wherein: an anti-jump chain plate is arranged in the cover plate and can move back and forth or up and down.
3. The chain jump prevention device according to claim 2, wherein: the front side of the cover plate is provided with a strip-shaped through hole, a sliding block is arranged in the strip-shaped through hole and can move up and down, and the rear side of the sliding block is connected with the anti-jump chain plate.
4. A chain jump prevention device according to claim 3, characterized in that: the rotatable dwang first that is provided with in sliding block upper end, fixed being provided with the backup pad on the apron of bar through-hole top, dwang first vertical thread runs through the backup pad, is threaded connection between dwang first and the backup pad.
5. A chain jump prevention device according to claim 3, characterized in that: the middle part of the rear side surface of the sliding block is provided with a sliding groove, a sliding plate is arranged in the sliding groove and can move back and forth, and the rear side of the sliding plate is fixedly connected with an anti-jump chain plate.
6. A chain jump prevention device according to claim 3, characterized in that: the screw thread on the sliding block front side plate is penetrated and provided with a second rotating rod, and the rear end of the second rotating rod can rotate around the shaft diameter of the sliding plate and is connected with the sliding plate.
7. The anti-chain jump device of claim 5, wherein: the connecting rod is fixedly arranged at the rear side of the sliding plate, and the rear end of the connecting rod is fixedly connected with the anti-jump chain plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321933429.7U CN220245424U (en) | 2023-07-21 | 2023-07-21 | Chain jump preventing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321933429.7U CN220245424U (en) | 2023-07-21 | 2023-07-21 | Chain jump preventing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220245424U true CN220245424U (en) | 2023-12-26 |
Family
ID=89232827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321933429.7U Active CN220245424U (en) | 2023-07-21 | 2023-07-21 | Chain jump preventing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220245424U (en) |
-
2023
- 2023-07-21 CN CN202321933429.7U patent/CN220245424U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |