CN210164860U - Chain tensioning structure for track guided vehicle - Google Patents
Chain tensioning structure for track guided vehicle Download PDFInfo
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- CN210164860U CN210164860U CN201920239642.5U CN201920239642U CN210164860U CN 210164860 U CN210164860 U CN 210164860U CN 201920239642 U CN201920239642 U CN 201920239642U CN 210164860 U CN210164860 U CN 210164860U
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Abstract
The utility model discloses a chain tensioning structure for a rail guided vehicle, which comprises a chain wheel, a chain and a butt joint part; the abutting part comprises a first movable block and a second movable block, the first movable block is connected with the vehicle body in a sliding mode, a first locking part and a first thread adjusting rod are arranged between the first movable block and the vehicle body, the second movable block is connected to the first movable block in a sliding mode, and a second locking part and a second thread adjusting rod are arranged between the second movable block and the first movable block; the screw thread precision of the first screw thread adjusting rod is smaller than that of the second screw thread adjusting rod, at least the second movable block moves in the direction perpendicular to the chain transmission direction and is provided with a butt surface for butting the chain, the first movable block and the second movable block are arranged through mutual matching, the tensioning force of the chain can be conveniently and accurately adjusted, the rough adjustment of the tensioning force can be realized through the first screw thread adjusting rod rotating the bottom of the vehicle body, the fine adjustment of the tensioning force can be realized through the second screw thread adjusting rod, and the tensioning of the chain is more accurate and convenient.
Description
Technical Field
The utility model relates to a chain drive technical field, more specifically say, it relates to a there is rail chain tension structure for guidance vehicle.
Background
The RGV is an English abbreviation of a Rail Guided Vehicle (Rail Guided Vehicle), and is called a Rail shuttle car, the RGV car can be used for warehouses with various high-density storage modes, the car channel can be designed to be arbitrarily long, the storage capacity of the whole warehouse can be improved, and a forklift is not required to drive into a roadway during operation, so that the safety of the RGV car is higher.
In the running process of the track-guided vehicle, a plurality of traveling wheels are generally in transmission connection with a motor through chains, and the track-guided vehicle is generally provided with a plurality of traveling wheels, so that the requirement on the rotating speed among the traveling wheels is very strict. When one of them certain walking wheel slew velocity is asynchronous with other walking wheels, will appear rocking or the reduction of operating speed of vehicle, be unfavorable for the normal clear of storage work.
Among the prior art, the slew rate between each walking wheel of above-mentioned rail guided vehicle of adjustment is realized through the rate of tension between adjustment chain and the sprocket usually, and the rate of tension between each chain and the sprocket keeps unified, and asynchronous rate between each walking wheel that can greatly reduced how to adjust the chain tensioning force fast accurately needs to make some improvements to current tensioning structure.
SUMMERY OF THE UTILITY MODEL
To having the difficult problem of adjusting of tensile force between rail guidance vehicle sprocket and the chain among the in-service use, the utility model aims to provide a rail guidance chain tensioning texture for vehicle, tensioning relation between adjustment sprocket and the chain that can be accurate quick, concrete scheme is as follows:
a chain tensioning structure for a track-guided vehicle comprises chain wheels in transmission connection with vehicle body travelling wheels, chains arranged between adjacent chain wheels and a propping part for propping against the chains to change the tensioning force between the chains and the chain wheels;
the abutting part comprises a first movable block and a second movable block, the first movable block is connected with the vehicle body in a sliding mode, a first locking part and a first thread adjusting rod used for adjusting the distance between the first movable block and the chain are arranged between the first movable block and the vehicle body, the second movable block is connected on the first movable block in a sliding mode, a second locking part and a second thread adjusting rod used for adjusting the distance between the second movable block and the chain are arranged between the second movable block and the first movable block;
the thread precision of the first thread adjusting rod is smaller than that of the second thread adjusting rod, and at least the second movable block moves in the direction perpendicular to the chain transmission direction and is provided with a butting surface for butting against the chain.
Through above-mentioned technical scheme, utilize first screw thread adjusting lever and second screw thread adjusting lever interact, adjust the position of second movable block for the chain, can realize the thick strip and the fine setting of chain rate of tension for the tensioning force of chain adjusts more accurate simple and convenient.
Furthermore, an adjusting hole is formed in the side wall of the vehicle body, at least one waist-shaped hole is formed in the first movable block along the direction perpendicular to the chain transmission direction, and the first locking piece comprises a locking bolt penetrating between the waist-shaped hole and the adjusting hole;
the bicycle is characterized in that the bicycle body is provided with a threaded through hole, the first movable block is far away from the bottom wall of one side of the chain, the first threaded adjusting rod is in threaded connection with the threaded through hole, and one end of the first threaded adjusting rod penetrates through the threaded through hole and the first movable block in an abutting mode.
Through the technical scheme, the first movable block can be shifted along the waist-shaped hole opening direction while being locked, and the position of the second movable block is favorably adjusted.
Furthermore, a sliding groove is formed in the first movable block along the length direction of the waist-shaped hole, and the second movable block is arranged in the sliding groove in a sliding manner;
the lateral wall in groove and the second movable block of sliding go up the edge the length direction in waist type hole mutually supports and has seted up threaded connection hole, second retaining member and second adjusting screw configure into the screw thread and wear to locate threaded rod in the threaded connection hole.
Through above-mentioned technical scheme, the second movable block can slide the cooperation with first movable block, is convenient for the regulation of position between the two.
Furthermore, the second movable block comprises a sliding part and an abutting part, the sliding part is arranged in the sliding groove in a sliding mode and is connected with the first sliding block through the threaded rod, and the abutting part is arranged on one side, far away from the sliding groove, of the sliding part and is detachably and fixedly connected with the sliding part through a locking screw;
the abutting surface is arranged on one side, close to the chain, of the abutting portion.
Through above-mentioned technical scheme, second movable block itself is the multistage separation setting, can change above-mentioned butt portion in a flexible way when being applied to different chain tensioning demands for chain tensioning structure in this scheme can be applicable to different rail guidance vehicles.
Further, the butt joint surface is arranged in a circular arc shape.
Through the technical scheme, the chain can move smoothly in the abutting process of the abutting surfaces of the second movable blocks, and the moving speed and the moving track of the chain are not easily interfered.
Furthermore, the number of the waist-shaped holes and the number of the locking screws are two.
Through above-mentioned technical scheme, can guarantee the stability that above-mentioned first movable block and second movable block are connected.
Furthermore, a groove is formed in the middle of the abutting surface along the length direction of the abutting surface.
Through above-mentioned technical scheme, can effectually guarantee that above-mentioned chain by the tensioning can closely laminate with the butt face, avoid the chain to break away from the butt face.
Compared with the prior art, the beneficial effects of the utility model are as follows:
through mutually supporting set up first movable block and second movable block for the tensile force of chain can conveniently be accurately adjusted, can enough realize the coarse adjustment of tensile force through revolving the first screw thread regulation pole of twisting bottom of car body, through second screw thread regulation pole alright realize the fine setting of tensile force, synthesize two kinds of regulation modes, make the chain tensioning more accurate convenient.
Drawings
FIG. 1 is a schematic overall profile view of a track guided vehicle;
FIG. 2 is a schematic view showing the positional relationship between a sprocket and a tension structure in the vehicle body;
fig. 3 is an overall schematic view of the tension structure.
Reference numerals: 1. a vehicle body; 2. a traveling wheel; 3. a sprocket; 4. an abutting member; 5. a first movable block; 6. a second movable block; 7. a kidney-shaped hole; 8. an adjustment hole; 9. locking the bolt; 11. a first threaded adjusting rod; 12. a second threaded adjusting rod; 13. a sliding groove; 14. locking the screw rod; 15. a sliding part; 16. an abutment portion.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1, a schematic view of the overall profile of a track guided vehicle is shown.
Referring to fig. 1 and 2, a chain tensioning structure for a track-guided vehicle comprises chain wheels 3 coaxially connected with traveling wheels 2 of a vehicle body 1 in a transmission manner, chains (the chains are not shown in the figure for simplicity), which are arranged between adjacent chain wheels 3, and abutting pieces 4 for abutting against the chains to change the tensioning force between the chains and the chain wheels 3. Because of the limited number of motors, the plurality of chain wheels 3 are driven by a plurality of chains.
As shown in fig. 3, the abutting member 4 includes a first movable block 5 and a second movable block 6, the first movable block 5 is connected to the vehicle body 1 in a sliding manner, a first locking member and a first thread adjusting rod 11 for adjusting a distance between the first movable block 5 and the chain are disposed between the first movable block 5 and the vehicle body, the second movable block 6 is connected to the first movable block 5 in a sliding manner, a second locking member is disposed between the first movable block 5 and the chain, and a second thread adjusting rod 12 for adjusting a distance between the second movable block 6 and the chain is disposed between the second movable block 6 and the chain. The thread accuracy of the first thread adjusting rod 11 is smaller than that of the second thread adjusting rod 12, and at least the second movable block 6 moves along the direction perpendicular to the chain transmission and is provided with a butting surface for butting against the chain.
In order to effectively ensure that the tensioned chain can be tightly attached to the abutting surface and avoid the chain from being separated from the abutting surface, preferably, a groove is formed in the middle of the abutting surface along the length direction of the abutting surface.
In detail, the side wall of the car body 1 is provided with an adjusting hole 8, the first movable block 5 is provided with two waist-shaped holes 7 along the direction perpendicular to the chain transmission direction, and the first locking piece comprises a locking bolt 9 penetrating between the waist-shaped holes 7 and the adjusting hole 8. Based on the above arrangement, the first movable block 5 can be displaced in the opening direction of the kidney-shaped hole 7 while being locked, which facilitates adjustment of the position of the second movable block 6.
The threaded through hole is formed in the bottom wall, located on one side, away from the chain, of the first movable block 5 on the vehicle body 1, and the first thread adjusting rod 11 is in threaded connection with the threaded through hole, and one end of the first thread adjusting rod penetrates through the threaded through hole to abut against the first movable block 5. When the position of the first movable block 5 is adjusted, the position of the first movable block 5 can be adjusted only by loosening the locking bolt 9 between the vehicle body 1 and the first movable block 5 and screwing the first threaded adjusting rod 11, and the adjustment can be realized without detaching the shell of the vehicle body 1.
In further detail, a sliding groove 13 is formed in the first movable block 5 along the length direction of the kidney-shaped hole 7, and the second movable block 6 is slidably disposed in the sliding groove 13.
As shown in fig. 3, threaded connection holes are formed in the side wall of the sliding groove 13 and the second movable block 6 in a matched manner along the length direction of the waist-shaped hole 7, and the second locking member and the second adjusting screw are configured as threaded rods which are threaded through the threaded connection holes. The second movable block 6 comprises a sliding part 15 and an abutting part 16, the sliding part 15 is arranged in the sliding groove in a sliding mode and is connected with the first sliding block through a threaded rod, the abutting part 16 is arranged on one side, away from the sliding groove, of the sliding part 15 and is detachably and fixedly connected with the sliding part 15 through a locking screw 14, and an abutting surface is arranged on one side, close to the chain, of the abutting part 16.
Based on above-mentioned technical scheme, second movable block 6 itself is the multistage separation setting, can change above-mentioned butt portion 16 in a flexible way when being applied to different chain tensioning demands for chain tensioning structure in this scheme can be applicable to different rail guidance vehicles.
In order to enable the chain to move smoothly in the process of being abutted by the abutting surface of the second movable block 6, the moving speed and the moving track of the chain are not easily interfered, and the abutting surface is arranged in a circular arc shape.
In order to ensure the stability of the connection between the first movable block 5 and the second movable block 6, the number of the locking screws 14 is two.
The utility model discloses technical scheme utilizes first screw thread regulation pole 11 and second screw thread regulation pole 12 interact, adjusts the position of second movable block 6 for the chain, can realize the thick strip and the fine setting of chain rate of tension for the more accurate simple and convenient of tensile force regulation of chain.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A chain tensioning structure for a track-guided vehicle comprises chain wheels (3) in transmission connection with travelling wheels (2) of a vehicle body (1) and chains arranged between adjacent chain wheels (3), and is characterized by further comprising abutting pieces (4) for abutting against the chains to change tensioning force between the chains and the chain wheels (3);
the abutting part (4) comprises a first movable block (5) and a second movable block (6), the first movable block (5) is connected with the vehicle body (1) in a sliding mode, a first locking part and a first thread adjusting rod (11) used for adjusting the distance between the first movable block (5) and the chain are arranged between the first movable block and the vehicle body, the second movable block (6) is connected to the first movable block (5) in a sliding mode, a second locking part and a second thread adjusting rod (12) used for adjusting the distance between the second movable block (6) and the chain are arranged between the second movable block and the first movable block;
the thread precision of the first thread adjusting rod (11) is smaller than that of the second thread adjusting rod (12), and at least the second movable block (6) moves along the direction perpendicular to the chain transmission and is provided with a butting surface for butting against the chain.
2. The chain tensioning structure for a track guided vehicle according to claim 1, characterized in that the side wall of the vehicle body (1) is provided with an adjusting hole (8), the first movable block (5) is provided with at least one waist-shaped hole (7) along the direction perpendicular to the chain transmission direction, and the first locking member comprises a locking bolt (9) arranged between the waist-shaped hole (7) and the adjusting hole (8);
the bicycle is characterized in that the bicycle body (1) is located, the first movable block (5) is far away from the bottom wall on one side of the chain, a threaded through hole is formed in the bottom wall, the first threaded adjusting rod (11) is in threaded connection with the threaded through hole, one end of the first threaded adjusting rod penetrates through the threaded through hole, and the first movable block (5) is abutted against the threaded through hole.
3. The chain tensioning structure for the track guided vehicle as claimed in claim 2, characterized in that the first movable block (5) is provided with a sliding groove (13) along the length direction of the waist-shaped hole (7), and the second movable block (6) is arranged in the sliding groove (13) in a sliding manner;
the lateral wall and the second movable block (6) of groove (13) that slide go up the edge the length direction in waist type hole (7) mutually supports and has seted up threaded connection hole, second retaining member and second adjusting screw configure into the screw thread and wear to locate threaded rod in the threaded connection hole.
4. The rail guided vehicle chain tensioning arrangement according to claim 3, characterized in that the second movable block (6) comprises a sliding part (15) and an abutting part (16), the sliding part (15) is slidably arranged in the sliding groove and is connected with the first movable block (5) through the threaded rod, the abutting part (16) is arranged on one side of the sliding part (15) far away from the sliding groove and is detachably and fixedly connected with the sliding part (15) through a locking screw (14);
the contact surface is provided on a side of the contact portion (16) close to the chain.
5. The rail guided vehicle chain tensioning arrangement as claimed in claim 1, wherein the abutment surface is provided in the shape of a circular arc.
6. Chain tensioning arrangement for track guided vehicles according to claim 4, characterized in that the number of kidney holes (7) and locking screws (14) is two.
7. The rail guided vehicle chain tensioner structure as claimed in claim 5, wherein the abutment surface is provided with a groove along a middle portion in a length direction thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920239642.5U CN210164860U (en) | 2019-02-25 | 2019-02-25 | Chain tensioning structure for track guided vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920239642.5U CN210164860U (en) | 2019-02-25 | 2019-02-25 | Chain tensioning structure for track guided vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN210164860U true CN210164860U (en) | 2020-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920239642.5U Active CN210164860U (en) | 2019-02-25 | 2019-02-25 | Chain tensioning structure for track guided vehicle |
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| CN (1) | CN210164860U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833150A (en) * | 2020-12-16 | 2021-05-25 | 彩虹（合肥）液晶玻璃有限公司 | Chain tensioning device |
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2019
- 2019-02-25 CN CN201920239642.5U patent/CN210164860U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112833150A (en) * | 2020-12-16 | 2021-05-25 | 彩虹（合肥）液晶玻璃有限公司 | Chain tensioning device |
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