CN218706277U - Tensioning structure of chain conveyor - Google Patents
Tensioning structure of chain conveyor Download PDFInfo
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- CN218706277U CN218706277U CN202222568186.3U CN202222568186U CN218706277U CN 218706277 U CN218706277 U CN 218706277U CN 202222568186 U CN202222568186 U CN 202222568186U CN 218706277 U CN218706277 U CN 218706277U
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- mounting groove
- movable base
- elastic component
- tensioning
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Abstract
The utility model discloses a tensioning structure of a chain conveyor, which comprises an adjustable tensioning wheel and a movable base, wherein the movable base is connected with an adjusting mechanism, the adjusting mechanism comprises a mounting groove and a first elastic component and a second elastic component which are arranged in the mounting groove and are respectively positioned at two sides of the movable base, the first elastic component and the second elastic component push the movable base to reciprocate, so that tensioning of a conveying chain is realized, and the movable base moves along the radius direction of the tangent position of the conveying chain and the adjustable tensioning wheel on the adjustable tensioning wheel; the utility model provides a chain conveyor's tension structure, through setting up first elastic component and second elastic component, and second coil spring elastic coefficient is less than first coil spring elastic coefficient for it can carry out self-adaptation regulation under the interact of first coil spring and second coil spring and under the effect of carrying the chain to remove the base.
Description
Technical Field
The utility model relates to a chain conveyor technical field specifically is a chain conveyor's tension structure.
Background
The chain conveyer is a conveyer which utilizes chains to drag and bear materials, or laths, metal mesh belts, roller ways and the like arranged on the chains to bear the materials. It can be divided into chain type, chain plate type, chain net type and plate type. It is often combined with other conveyors and lifting devices to form production lines with various functions.
Chain conveyor is in the course of the work, and the condition that the chain is not hard up can appear because of reasons such as the great moment of torsion of transmission or stroke are longer to the chain, leads to the chain to appear jumping the tooth, takes off the phenomenon of tooth, originally can reach the purpose of tensioning chain through the mode of getting rid of the chain unit piece, and whole process is comparatively loaded down with trivial details, and the operation is inconvenient. In order to solve the problem, a tensioning wheel structure capable of moving positions to realize tensioning adjustment of a chain is usually adopted in the prior art, but in the prior art, the tensioning wheel is complex in adjustment operation, at least two persons are required to cooperate with each other, and in addition, the existing tensioning wheel cannot be subjected to self-adaptive adjustment after adjustment, namely, an operator adjusts the tensioning wheel to a target position to obtain a certain tensioning force through one-time adjustment, the tensioning wheel is fixed, the problem of excessive or insufficient tensioning can occur in work, and the tensioning wheel cannot be subjected to automatic correction or self-adaptive adjustment in work, so that the service life of the tensioning chain is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a chain conveyor's tension structure solves the defect that exists in the tensioning wheel tensioning adjustment on the conveyer among the prior art.
The utility model provides a tensioning structure of chain conveyor, including the adjustable take-up pulley that is used for installing the conveying chain and the removal base that is used for installing the adjustable take-up pulley, be connected with adjustment mechanism on the removal base, adjustment mechanism includes the mounting groove and sets up in the mounting groove and be located respectively the first elastic component and the second elastic component of removal base both sides, first elastic component with the second elastic component promotes the removal base reciprocating motion, realizes conveying chain tensioning, the removal base moves along the radius direction that passes conveying chain and the tangent position of adjustable take-up pulley on the adjustable take-up pulley;
the second elastic component is far away from the side of the movable base and is provided with an adjusting component, and the adjusting component comprises a push plate abutting against the second elastic component, an adjusting screw rod connected to the side face, far away from the second elastic component, of the push plate and a threaded sleeve sleeved outside the adjusting screw rod.
Preferably, the tensioning structure further comprises a mounting plate, the mounting groove is arranged in the mounting plate, the moving base is connected with a mounting shaft penetrating through the mounting plate, and the adjustable tensioning wheel is sleeved on the mounting shaft and is located outside the mounting plate; the movable base moves along the middle line direction of the mounting groove.
Preferably, the first elastic assembly comprises a first spiral spring, the axis of the first spiral spring is parallel to the center line of the installation groove, and two ends of the first spiral spring respectively abut against the inner bottom surface of the installation groove and the side surface of the movable base facing the inner bottom surface of the installation groove.
Preferably, the second elastic component comprises a second spiral spring, and the axis of the second spiral spring is parallel to the center line of the mounting groove; the second spiral spring is arranged between the push plate and the movable base;
a connecting rod is arranged on the side face, facing the second spiral spring, of the movable base, the axis of the connecting rod is parallel to the center line of the mounting groove, and a base plate is fixed on the side face, far away from the movable base, of the connecting rod;
and two ends of the second spiral spring respectively abut against the side surface of the backing plate far away from the moving base and the side surface of the push plate facing the moving base.
Preferably, the thread bush with the mounting groove medial surface is fixed and the thread bush axis is parallel with the mounting groove axis, adjusting screw keeps away from the tip rigid coupling of push pedal has adjustment handle.
Preferably, the movable base is matched with the mounting groove, and the cross sections of the movable base and the mounting groove are rectangular; the threaded sleeve inner diameter is circular, push pedal and backing plate all are circular and all arrange in the threaded sleeve and all with the threaded sleeve suits.
Preferably, the inner side surface of the threaded sleeve comprises a threaded section and a smooth section, the smooth section is located on the inner side of the threaded section, and the push plate and the base plate are arranged at the position of the smooth section.
The utility model discloses technical scheme chain conveyor's straining structure's beneficial effect is:
1. set up first elastic component and second elastic component, and second coil spring elastic coefficient is less than first coil spring elastic coefficient for the removal base can carry out self-adaptation regulation under first coil spring and second coil spring's interact and under the effect of carrying the chain, will be used for installing the removal base of adjustable take-up pulley and adjust to suitable position, avoids adjustable take-up pulley to appear carrying the too big or undersize problem of chain tensioning when the tensioning.
2. The setting of adjusting part for this technical scheme's tension structure's overall structure is simple, simple to operate, and it is simple quick to adjust, realize that single one-hand regulation can.
Drawings
Fig. 1 is the utility model discloses technical scheme a chain conveyor's tension structure's schematic structure diagram.
Fig. 2 is a sectional view of the tensioning structure of the chain conveyor according to the technical solution of the present invention.
Fig. 3 is a partially enlarged view of fig. 2 at B.
Fig. 4 isbase:Sub>A cross-sectional viewbase:Sub>A-base:Sub>A of fig. 3.
Fig. 5 is a simplified diagram of the force analysis of the mobile base according to the technical solution of the present invention.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention for those skilled in the art, the technical solutions of the present invention will now be further described with reference to the following specific embodiments and drawings.
As shown in fig. 1 and fig. 2, the utility model provides a tensioning structure of chain conveyor, including the removal base 22 that is used for installing adjustable take-up pulley 12 of carrying chain 10 and is used for installing adjustable take-up pulley 12, remove base 22 and remove, realize the adjustment to adjustable take-up pulley 12 position, realize the regulation to carrying the tensile force of chain 10. As shown in fig. 2. The movable base 22 is connected with an adjusting mechanism, and the adjusting mechanism comprises a mounting groove 21, and a first elastic component 23 and a second elastic component 24 which are arranged in the mounting groove 21 and respectively located on two sides of the movable base 22. The first elastic assembly 23 and the second elastic assembly 24 push the moving base 22 to reciprocate, so that the conveying chain 10 is tensioned, and the moving base 22 moves along the radius direction of the tangent position of the conveying chain 10 and the adjustable tension wheel 12 on the adjustable tension wheel 12. The first elastic assembly 23 and the second elastic assembly 24 respectively realize pushing the movable base 22, and simultaneously combine with the action of the conveying chain 10 on the adjustable tensioning wheel 12, so that the adjustable tensioning wheel is in a proper position, and the problem of overlarge or undersize tensioning force is avoided.
As shown in fig. 3, the second elastic assembly 24 is provided with an adjusting assembly 25 at a side away from the moving base 22, and the adjusting assembly 25 includes a push plate 251 abutting against the second elastic assembly 24, an adjusting screw 252 connected to a side of the push plate 251 away from the second elastic assembly 24, and a threaded sleeve 253 sleeved outside the adjusting screw 252.
Based on the above technical solution, the threaded sleeve 253 is fixed with the mounting groove 21, the adjusting screw 252 rotates to adjust the position of the push plate 251, the push plate 251 is used to extrude the second elastic component 24, so that the second elastic component 24 obtains a sufficient amount of compression, the second elastic component 24 is compressed, pushing is reversely applied to the moving base 22, so that the moving base 22 moves towards the first elastic component 23, and simultaneously the first elastic component 23 is compressed, the first elastic component 23 reversely applies pushing force to the moving base 22 to offset the pushing force applied by the second elastic component 24, thereby ensuring that when the tension of the moving base 22 is adjusted, the moving base 22 can be adaptively adjusted to a proper position under the interaction of the first elastic component 23 and the second elastic component 24. Through setting up first elastic component and second elastic component promptly, and second coil spring elastic coefficient is less than first coil spring elastic coefficient for the removal base can carry out self-adaptation regulation under first coil spring and second coil spring's interact and under the effect of carrying the chain, will be used for installing the removal base of adjustable take-up pulley and adjust to suitable position, avoids adjustable take-up pulley to appear carrying the too big or undersize problem of chain tensioning when the tensioning.
In the present technical solution, as shown in fig. 2 and 4, the tensioning structure further includes a mounting plate 11, and the mounting plate 11 is used for mounting the conveying chain 10. The mounting groove 21 is arranged in the mounting plate 11, the movable base 22 is connected with a mounting shaft 13 passing through the mounting plate 11, and the adjustable tension wheel 12 is sleeved on the mounting shaft 13 and is positioned outside the mounting plate 11. The movable base 22 moves along the center line direction of the installation groove 21, and the center line direction of the installation groove 21 is the radial direction of the tangent position of the adjustable tension pulley 12 passing through the conveying chain 10. The movable base is adjusted along the direction, so that the conveying chain is reliably installed, and the installation of the conveying chain cannot be influenced in the adjustment.
In this technical solution, the first elastic component 23 includes a first coil spring, an axis of the first coil spring is parallel to a central line of the installation groove 21, and two ends of the first coil spring respectively abut against an inner bottom surface of the installation groove 21 and a side surface of the movable base 22 facing the inner bottom surface of the installation groove 21. First spiral plays yellow and mounting groove 21's interior bottom surface fixed connection, the other end and remove base 22 side fixed connection simultaneously, avoid in regulation and work, and skew or folding scheduling problem appear in first coil spring, ensures that first coil spring normally works, and first coil spring external diameter should suit with mounting groove 21 internal diameter, avoids in work, and first coil spring appears the abnormal bending scheduling problem because of the extrusion, avoids influencing first coil spring's normal work.
In this embodiment, as shown in fig. 3, the second elastic member 24 includes a second coil spring. The axis of the second spiral spring is parallel to the central line of the mounting groove 21; the second coil spring is disposed between the push plate 251 and the moving base 22. A connecting rod 221 is arranged on the side of the moving base 22 facing the second spiral spring, the axis of the connecting rod 221 is parallel to the center line of the mounting groove 21, and a backing plate 222 is fixed on the side of the connecting rod 221 far away from the moving base 22. The two ends of the second helical spring respectively abut against the side of the backing plate 222 away from the moving base 22 and the side of the push plate 251 facing the moving base 22.
Based on the above technical solution, the connecting rod 221 and the backing plate 222 are arranged to extend the side of the moving base 22 facing the second coil spring, so that the second coil spring is always located in the thread bushing 253, the backing plate 222 moves in the thread bushing 253, and the moving base 22 does not enter the thread bushing 253 and only moves in the mounting groove 21, thereby avoiding the problem that the moving base 22 interferes with the thread bushing 253 during moving, and ensuring the reliability of the moving base 22 during reciprocating adjustment. The problem that the moving base 22 needs to move leftwards to be displaced too much to interfere with the threaded sleeve 253 as shown in fig. 3 is avoided.
In this technical solution, as shown in fig. 5, on the basis of fig. 1 and fig. 2, a simple force analysis is performed on the moving base 22 in the moving direction, the acting force applied to the moving base 22 by the conveying chain is reduced to F0, the first coil spring and the second coil spring are both compressed, and the forces respectively acting on the moving base are reduced to F1 and F2, and when the conveying chain normally works, the moving base is allowed to remain stationary, so that F1= F2+ F0 is always required to be established. In the initial state, where the conveyor chain is not deformed and loosened, the adjusting screw 252 is adjusted to compress the second coil spring to ensure that F1= F2+ F0 is established. As the operation time is prolonged, the conveying chain is deformed and loosened, and F0 is decreased, so that the rightward force applied to the moving base 22 is decreased as shown in fig. 5, and so F1 should be decreased, so that the moving base 22 is moved leftward, the first coil spring is loosened, and the compression amount of the first coil spring is decreased. Therefore, at this moment, the second spiral spring is compressed by the moving base 22 moving leftwards, and according to the compression amount, whether the conveying chain is tensioned or not is judged, if the conveying chain is not tensioned, the adjusting screw 252 is adjusted rightwards, so that the thrust applied to the second spiral spring by the adjusting screw 252 and the push plate 251 is reduced, the second spiral spring is loosened appropriately, the moving base 22 is convenient to continue to move leftwards under the action of the F1, and the position of the moving base 22 is adjusted under the interaction of the first spiral spring and the second spiral spring conveniently.
In the present technical solution, as shown in fig. 3, the threaded sleeve 253 is fixed to the inner side surface of the mounting groove 21, the axis of the threaded sleeve 253 is parallel to the axis of the mounting groove 21, and the end of the adjusting screw 252 away from the push plate 251 is fixedly connected with an adjusting handle 254. An adjustment handle 254 is provided to facilitate rotational adjustment of the adjustment screw 252.
In the technical scheme, as shown in fig. 3, the movable base 22 is adapted to the installation groove 21, and the cross sections of the movable base and the installation groove are rectangular; the inner diameter of the threaded sleeve 253 is circular, and the push plate 251 and the backing plate 222 are circular and are both arranged in the threaded sleeve 253 and are both adaptive to the threaded sleeve 253. The moving base 22, the push plate 251 and the base plate 222 are ensured to move linearly, and the problems of offset and the like are avoided.
In the present embodiment, as shown in fig. 3, the inner side surface of the threaded sleeve 253 includes a threaded section and a smooth section, the smooth section is located inside the threaded section, and the push plate 251 and the pad plate 222 are located at the smooth section. The provision of the smooth sections provides a location for the push plate 251 and the backing plate 222 to move.
The technical solution of the present invention is to combine the above embodiment and the accompanying drawings to carry out the exemplary description of the utility model, obviously the present invention is not limited by the above mode, as long as the present invention is adopted, the method concept and the technical solution of the present invention are carried out various insubstantial improvements, or the concept and the technical solution of the present invention are directly applied to other occasions without improvement, all within the protection scope of the present invention.
Claims (7)
1. The tensioning structure of the chain conveyor is characterized by comprising an adjustable tensioning wheel for mounting a conveying chain and a movable base for mounting the adjustable tensioning wheel, wherein the movable base is connected with an adjusting mechanism, the adjusting mechanism comprises a mounting groove and a first elastic component and a second elastic component which are arranged in the mounting groove and respectively positioned on two sides of the movable base, the first elastic component and the second elastic component push the movable base to reciprocate to realize the tensioning of the conveying chain, and the movable base moves along the radius direction of the tangent position of the conveying chain and the adjustable tensioning wheel on the adjustable tensioning wheel;
the second elastic component is far away from the side of the movable base and is provided with an adjusting component, and the adjusting component comprises a push plate abutting against the second elastic component, an adjusting screw rod connected to the side face, far away from the second elastic component, of the push plate and a threaded sleeve sleeved outside the adjusting screw rod.
2. The tensioning structure of a chain conveyor according to claim 1, further comprising a mounting plate, wherein the mounting groove is disposed in the mounting plate, a mounting shaft passing through the mounting plate is connected to the moving base, and the adjustable tensioning wheel is sleeved on the mounting shaft and located outside the mounting plate; the movable base moves along the middle line direction of the mounting groove.
3. The tensioning construction of a chain conveyor according to claim 1, characterized in that the first elastic assembly comprises a first helical spring, the axis of which is parallel to the centre line of the mounting groove, both ends of which bear against the inner bottom surface of the mounting groove and the side of the mobile base facing the inner bottom surface of the mounting groove, respectively.
4. The tensioning arrangement of a chain conveyor according to claim 1, characterized in that the second elastic assembly comprises a second helical spring, the axis of which is parallel to the mounting groove midline; the second spiral spring is arranged between the push plate and the movable base;
a connecting rod is arranged on the side face, facing the second spiral spring, of the movable base, the axis of the connecting rod is parallel to the center line of the mounting groove, and a base plate is fixed on the side face, far away from the movable base, of the connecting rod;
and two ends of the second spiral spring respectively abut against the side surface of the backing plate far away from the moving base and the side surface of the push plate facing the moving base.
5. The tensioning structure of a chain conveyor according to claim 1, wherein the threaded sleeve is fixed to the inner side surface of the mounting groove, the axis of the threaded sleeve is parallel to the axis of the mounting groove, and an adjusting handle is fixedly connected to the end of the adjusting screw rod away from the push plate.
6. The tensioning structure of a chain conveyor according to claim 4, wherein the moving base and the mounting groove are adapted and have a rectangular cross section; the threaded sleeve inner diameter is circular, push pedal and backing plate all are circular and all arrange in the threaded sleeve and all with the threaded sleeve suits.
7. The tensioning construction of a chain conveyor according to claim 6, characterized in that the inner side of the threaded bushing comprises a threaded section and a smooth section, the smooth section being located inside the threaded section, the push plate and the shim plate being located at the position of the smooth section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222568186.3U CN218706277U (en) | 2022-09-27 | 2022-09-27 | Tensioning structure of chain conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222568186.3U CN218706277U (en) | 2022-09-27 | 2022-09-27 | Tensioning structure of chain conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218706277U true CN218706277U (en) | 2023-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222568186.3U Active CN218706277U (en) | 2022-09-27 | 2022-09-27 | Tensioning structure of chain conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218706277U (en) |
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2022
- 2022-09-27 CN CN202222568186.3U patent/CN218706277U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 311100 room a802, 8th floor, building 3, No. 88, Longyuan Road, Cangqian street, Yuhang District, Hangzhou, Zhejiang Province Patentee after: Jingsong Robot (Hangzhou) Co.,Ltd. Address before: 311000 Room A802, Floor 8, Building 3, No. 88, Longyuan Road, Cangqian Street, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou zhilingjie robot Co.,Ltd. |
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| CP03 | Change of name, title or address |