CN221164519U - Offset return idler device convenient to replace - Google Patents
Offset return idler device convenient to replace Download PDFInfo
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- CN221164519U CN221164519U CN202323274869.9U CN202323274869U CN221164519U CN 221164519 U CN221164519 U CN 221164519U CN 202323274869 U CN202323274869 U CN 202323274869U CN 221164519 U CN221164519 U CN 221164519U
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- support
- carrier roller
- shaft
- roller frame
- limiting
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- 230000000670 limiting effect Effects 0.000 claims abstract description 37
- 238000009434 installation Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 abstract description 8
- 238000005299 abrasion Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 8
- 238000001125 extrusion Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005491 wire drawing Methods 0.000 description 1
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- Rollers For Roller Conveyors For Transfer (AREA)
Abstract
The utility model relates to a deflection-adjusting return idler device convenient to replace. The device comprises a fixed seat, wherein vertical mounting arms are arranged at two ends of the fixed seat, a rotating shaft with a rotating handle at the outer end is arranged between the lower parts of the two vertical mounting arms, a roller frame is arranged in the middle of the rotating shaft, two middle supports are arranged in the middle of the roller frame, end supports are arranged at two ends of the roller frame, and a unidirectional spiral carrier roller which is arranged in a V shape is arranged between the middle supports and the end supports; the end support is provided with two support sections which are arranged in a V shape and the top end of which is provided with a shaft groove, the inner end of a roll shaft of the unidirectional spiral carrier roller is positioned in a shaft hole on the middle support, and the outer end of the roll shaft of the unidirectional spiral carrier roller is positioned in the shaft groove of the end support; the roller frame limiting device is characterized by further comprising a roller frame limiter for limiting the supporting subsection of the end support. The utility model has reasonable structural design and reliable operation, can reduce the adhesion of residual materials on the roller to reduce the equipment abrasion, has the function of belt deviation adjustment, effectively prolongs the service time of the equipment, and is convenient, labor-saving and safe in replacement operation.
Description
Technical Field
The utility model belongs to the technical field of conveyor equipment, and particularly relates to a deflection-adjusting return idler device convenient to replace.
Background
The carrier roller is an important component part of the belt conveyor and is also a component with the largest usage amount of the belt conveyor, and the return carrier roller is a carrier roller which is arranged on an idle branch and is closely contacted with a working surface of the conveying belt and used for bearing the conveying belt on the branch. When the belt conveyor conveys materials, some materials are adhered to the belt working surface due to various reasons, when the equipment is in a working state, the belt working surface passes through the return idler, residual materials on the surface of the belt working surface can be adhered to the surface of the idler or the inside of an idler bearing seat, the abrasion of a conveying belt and an idler bearing can be accelerated, meanwhile, the belt is deviated, and even the roller wrapping layer is torn to cause serious consequences.
When needing to change return idler, current operation mode needs to park equipment earlier, shutting, operation such as hang up the tablet, then the workman still needs to use extra instrument, uses wire drawing hook or crow bar to support between belt and carriage, uses the instrument to support firm after with the belt, takes off the idler that needs to be changed again by another workman and changes, and this in-process if the instrument supports unstable belt and rebounds just probably causes the injury to workman's personal safety. The existing return idler structure is tedious and laborious when carrying out replacement operation, and influences the operation efficiency of the belt conveyor.
In summary, the structure of the return idler needs to be optimally designed to solve the technical problems.
Disclosure of utility model
The utility model provides the deviation-adjusting return idler device which is reasonable in structural design, reliable in operation, capable of reducing adhesion of residual materials on a roller to reduce equipment abrasion and convenient to replace, has a belt deviation adjusting function, effectively prolongs the service time of equipment, and is convenient, labor-saving and safe in replacement operation.
The utility model adopts the technical proposal for solving the technical problems in the prior art that: the utility model provides a be convenient for change transfer return idler device, includes the fixing base, installs the vertical installation arm that is used for being connected with the belt feeder frame at its both ends, installs the pivot between the lower part of two vertical installation arms, installs the twist grip in the outer end of pivot, installs the carrier roller frame in the middle part of pivot, is equipped with two middle part supports in the middle part of carrier roller frame, both ends are equipped with the tip support, installs the unidirectional spiral bearing roller that becomes V-arrangement between middle part support and tip support; the end support is provided with two support sections which are arranged in a V shape and the top end of which is provided with a shaft groove, the inner end of a roll shaft of the unidirectional spiral carrier roller is positioned in a shaft hole on the middle support, and the outer end of the roll shaft of the unidirectional spiral carrier roller is positioned in the shaft groove of the end support; the roller frame limiting device is characterized by further comprising a roller frame limiter which limits the supporting subsection of the end support swinging to the vertical state.
Preferably: the roller frame limiter comprises a limiting bracket hinged with the end part of the fixed seat by adopting a hinge shaft, wherein the upper end of the limiting bracket is provided with a limiting bayonet which is equal in width with a supporting subsection supported by the end part, and a spring is arranged between the middle part of the limiting bracket and a vertical mounting arm at the side.
Preferably: and a pull-down handle for operating the carrier roller frame limiter to swing outwards by taking the hinge shaft as the center is also arranged on the outer side of the lower end of the limiting bracket.
Preferably: the lower part of the vertical installation arm is provided with a shaft hole, the rotating shaft is positioned in the shaft hole, the aperture of the shaft hole is larger than the outer diameter of the rotating shaft, and the rotating shaft and the carrier roller frame have the allowance of up-and-down movement; the bottom of the carrier roller frame is provided with two limiting platforms which respectively correspond to the two supporting parts supported by the upper end part, the bottom surface of the limiting platform corresponding to the supporting part swinging to the vertical state is parallel to the surface of the fixing seat, and the limiting platform falls on the fixing seat.
Preferably: the roller surface on the outer side of the unidirectional spiral carrier roller is provided with unidirectional spirals, the spiral directions of the two unidirectional spiral carrier rollers arranged in a V-shaped mode are opposite, and when the conveying belt moves, the two unidirectional spiral carrier rollers generate a force pointing to the center on the conveying belt.
Preferably: the included angle between the central line of the unidirectional spiral carrier roller and the central line of the rotating shaft is 10-15 degrees; the included angle between the two support sections of the end support is 15-30 degrees.
The utility model has the advantages and positive effects that:
The utility model provides a deflection-adjusting return idler device which is reasonable in structural design and reliable in operation and is convenient to replace, and because each group of unidirectional spiral idler is arranged in a V shape, the deflection-adjusting return idler device has a supporting function on a conveying belt, and simultaneously has a force pointing to the center on the left part and the right part of the conveying belt, so that the deflection-adjusting return idler device has a certain on-line deflection adjusting function on the conveying belt, and the conveying belt which is deflected can automatically recover to a position. The surface of the unidirectional spiral carrier roller is provided with the unidirectional spiral, so that the unidirectional spiral carrier roller has an automatic cleaning function on materials adhered to the surface of the conveying belt in the friction contact process of the unidirectional spiral carrier roller and the conveying belt, the abrasion action of equipment parts of the belt conveyor is reduced, the service life of the equipment is prolonged, and the failure rate of the equipment is reduced.
According to the return carrier roller device, the carrier roller frame can be operated to swing through the rotating shaft and the rotating handle so as to adjust one group of support parts of the end support to the vertical position, and the other group of support parts can swing to the side, so that when the unidirectional spiral carrier roller needs to be replaced, only a new unidirectional spiral carrier roller is required to be installed on the side support parts and the carrier roller frame is operated to swing, and at the moment, the replaced unidirectional spiral carrier roller is transferred to the vertical position and the unidirectional spiral carrier roller needs to be replaced to swing to the side for disassembly, and therefore, the replacement operation is convenient and labor-saving, and the operation is safer.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic view of a partially enlarged construction of the present utility model;
fig. 3 is a schematic view of the usage state structure of the present utility model.
In the figure:
1. A fixing seat; 2. a roller frame; 3. unidirectional spiral carrier roller; 4. a vertical mounting arm; 5. a rotating shaft; 6. a middle shaft seat; 7. an end support; 8. rotating the handle; 9. a carrier roller frame limiter; 10. a spring; 11. a limiting platform; 12. a hinge shaft; 13. the handle is pulled down.
Detailed Description
In order to further understand the summary, features and advantages of the present utility model, the following examples are set forth in detail.
Referring to fig. 1 and 2, the easy-to-replace offset return idler roller apparatus of the present utility model includes a fixed base 1, and vertical mounting arms 4 for connecting with a belt conveyor frame are mounted at both ends thereof. As shown in the figure, fixing base 1 is bar shape, and vertical installation arm 4 adopts welded mode installation to fix at fixing base 1's both ends, and fixing base 1 and vertical installation arm 4 can adopt the preparation of C shaped steel, guarantees holistic structural strength. The upper parts of the vertical mounting arms 4 are provided with mounting holes, and when the mounting holes are mounted on the belt conveyor frame, the two vertical mounting arms 4 are fixedly connected with the belt conveyor frame by bolts.
A rotating shaft 5 is installed between the lower parts of the two vertical installation arms 4, a rotating handle 8 is installed at the outer end of the rotating shaft 5, and the rotating shaft 5 and the accessory parts thereof can be operated to rotate through the rotating handle 8.
The middle part at pivot 5 installs carrier roller frame 2, is equipped with two middle part supports 6 in the middle part of carrier roller frame 2, and both ends are equipped with end support 7, installs the unidirectional spiral bearing roller 3 that becomes V-arrangement between middle part support 6 and end support 7. The end support is provided with two support sections which are arranged in a V shape and the top end of which is provided with a shaft groove, the inner end of a roll shaft of the unidirectional spiral carrier roller 3 is positioned in a shaft hole on the middle support 6, and the outer end of the roll shaft is positioned in a shaft groove of the end support 7.
As shown in the figure, the roller surface on the outer side of the unidirectional spiral type carrier roller 3 is provided with unidirectional spirals, the spiral directions of the two unidirectional spiral type carrier rollers 3 arranged in a V-shaped mode are opposite, and when the conveying belt moves, the two unidirectional spiral type carrier rollers 3 generate force pointing to the center on the conveying belt. When the conveying belt deflects, the extrusion forces generated by the two unidirectional spiral carrier rollers 3 on the left side part and the right side part of the conveying belt are different, the extrusion force generated by the unidirectional spiral carrier rollers 3 contacted with more conveying belts on the conveying belt is larger, the extrusion force generated by the unidirectional spiral carrier rollers 3 contacted with fewer conveying belts on the conveying belt is smaller, and the difference of the extrusion forces enables the conveying belt to move towards the middle part, namely, the deviation adjusting effect is generated.
The unidirectional spiral carrier roller 3 has a bearing effect on the conveying belt, and simultaneously, as a friction effect is generated between the rotating spiral roller and the conveying belt, the material adhered to the surface of the conveying belt can be promoted to fall off from the belt, and part of the material is transferred into a spiral gap of the spiral roller and falls off under the action of running vibration of belt conveyor equipment. Therefore, the return idler device has the cleaning effect on the conveying belt, can reduce the abrasion of equipment parts of the belt conveyor, prolongs the service life of the equipment and reduces the operation faults.
The roller frame 2 is fixedly connected with the rotating shaft 5, two middle supports 6 are fixedly welded with the middle of the roller frame 2, and two end supports 7 are fixedly welded with the end of the roller frame 2. As shown in fig. 1, four loading positions for mounting the unidirectional helical idler 3 are formed between the two intermediate supports 6 and the two end supports 7. The principle of replacing the unidirectional spiral carrier roller 3 is as follows: the current one-way spiral bearing roller 3 that is in running state is located vertical position, produces the effect of support to conveyor belt, load new one-way spiral bearing roller 3 to the loading position that is located the side position (namely load to the side position between the middle part support 6 and the support subsection of tip support 7), afterwards operation pivot 5 drives carrier roller frame 2 and rotates certain angle, make new one-way spiral bearing roller 3 swing to vertical position, replace former one-way spiral bearing roller 3, continue to provide the effect of bearing to conveyor belt, the one-way spiral bearing roller 3 of the one-way spiral bearing roller of group that needs to be changed swings to the side position this moment, can directly take off, therefore promoted the convenience of operation, high and the safety of operating efficiency.
In this embodiment, a shaft hole is formed at the lower part of the vertical mounting arm 4, and the rotating shaft 5 is located in the shaft hole, the aperture of the shaft hole is larger than the outer diameter of the rotating shaft 5, so that the rotating shaft 5 and the roller frame 2 have a allowance for moving up and down. Further, two limiting platforms 11 corresponding to the two supporting parts of the upper end supporting 7 are arranged at the bottom of the carrier roller frame 2, the bottom surface of the limiting platform 11 corresponding to the supporting part swinging to the vertical state is parallel to the surface of the fixing seat 1, and the limiting platform 11 falls on the fixing seat 1, so that after the position of the end supporting 7 is adjusted, the stability of the carrier roller frame 2 and the end supporting 7 thereof can be improved due to the matching relation between the limiting platform 11 at the bottom and the fixing seat 1.
And the roller frame limiter 9 is used for limiting the supporting subsection of the end support 7 swinging to the vertical state.
As shown in fig. 2, the carrier roller frame limiter 9 comprises a limiting bracket hinged with the end part of the fixed seat 1 by adopting a hinge shaft 12, wherein the upper end of the limiting bracket is provided with a limiting bayonet which is equal in width with the supporting subsection of the end part support 7, and a spring 10 is arranged between the middle part of the limiting bracket and the vertical mounting arm 4 at the side. In the state shown in the figure, the support part of the end support 7 swinging to the vertical state falls into the bayonet on the limit bracket, so that the roller frame 2 and the end support 7 are limited at the current position, which can avoid the random swinging of the end support 7, and the group of unidirectional spiral type carrier rollers 3 in the vertical position can generate stable bearing effect on the conveyor belt above.
In this embodiment, a lower handle 13 for operating the carrier stopper 9 to swing outward about the hinge shaft 12 is further installed outside the lower end of the stopper bracket. When the limiting action of the carrier roller frame limiter 9 on the carrier roller frame 2 is required to be released, the lower handle 13 is pulled downwards, at this time, the limiting support of the carrier roller frame limiter 9 swings outwards, the supporting part of the end support 7 is separated from the limiting bayonet, the spring 10 is further compressed, after the rotating adjustment of the carrier roller frame 2 is completed through the rotating handle 8, the lower handle 13 is released, under the elastic action of the spring 10, the limiting support of the carrier roller frame limiter 9 swings inwards to reset, and the supporting part of the end support 7 is embedded into the limiting bayonet.
In the embodiment, the included angle between the central line of the unidirectional spiral carrier roller 3 and the central line of the rotating shaft 5 is 10-15 degrees; the angle between the two support sections of the end support 7 is 15-30 deg..
The using mode is as follows:
As shown in fig. 3, the present deflection-regulating return idler device is mounted to the belt conveyor frame of a belt conveyor apparatus, where the conveyor belt is supported by a set of V-arranged unidirectional helical idlers 3 in a vertical position; in general, a group of offset return idler devices can be arranged at every 10-15 groups of parallel return idler positions in the bearing section of the belt conveyor equipment;
When the unidirectional spiral carrier roller 3 needs to be replaced, a new unidirectional spiral carrier roller 3 is installed at a set of loading positions on the side (the inner ends of roller shafts of the unidirectional spiral carrier roller 3 are inserted into shaft holes on a middle support 6, the outer ends of the roller shafts of the unidirectional spiral carrier roller 3 fall into shaft grooves on the support subsection end parts of an end support 7), after the installation of the two unidirectional spiral carrier roller 3 is completed on the side, a lower handle 13 is operated to release the limiting effect on the end support 7, then two operators operate a rotating handle 8 at the same time from two sides, a rotating shaft 5 is driven to rotate, a carrier roller frame 2 and the end support 7 swing by a certain angle, so that the lateral unidirectional spiral carrier roller 3 swings to a vertical position, at the moment, the two unidirectional spiral carrier rollers 3 which are installed later perform bearing effects on a conveying belt, the two unidirectional spiral carrier rollers 3 which need to be replaced swing to the side, a lower handle 13 is released to enable a carrier roller frame limiter 9 to reset, and a limiting effect is generated on the end support 7 and the carrier roller frame 2 again; and then the two unidirectional spiral carrier rollers 3 are detached from the side.
Claims (6)
1. An offset return idler device convenient to change, characterized by: the belt conveyor comprises a fixed seat (1), wherein vertical mounting arms (4) used for being connected with a belt conveyor frame are mounted at two ends of the fixed seat, a rotating shaft (5) is mounted between the lower parts of the two vertical mounting arms (4), a rotating handle (8) is mounted at the outer end of the rotating shaft (5), a carrier roller frame (2) is mounted in the middle of the rotating shaft (5), two middle supports (6) are arranged in the middle of the carrier roller frame (2), end supports (7) are arranged at two ends of the carrier roller frame, and a unidirectional spiral carrier roller (3) which is arranged in a V shape is mounted between the middle supports (6) and the end supports (7); the end support (7) is provided with two support branches which are arranged in a V shape and the top end of which is provided with a shaft groove, the inner end of a roll shaft of the unidirectional spiral carrier roller (3) is positioned in a shaft hole on the middle support (6), and the outer end of the roll shaft is positioned in the shaft groove of the end support (7); the device also comprises a roller frame limiter (9) for limiting the supporting subsection of the end support (7) swinging to the vertical state.
2. The easy-to-replace offset return idler apparatus of claim 1, wherein: the roller frame limiter (9) comprises a limiting bracket hinged with the end part of the fixed seat (1) by adopting a hinge shaft (12), wherein the upper end of the limiting bracket is provided with a limiting bayonet which is equal in width with a supporting subsection of the end part support (7), and a spring (10) is arranged between the middle part of the limiting bracket and the vertical mounting arm (4) at the side.
3. The easy-to-replace offset return idler apparatus of claim 2, wherein: and a pull-down handle (13) which is used for operating the carrier roller frame limiter (9) to swing outwards by taking the hinge shaft (12) as the center is also arranged on the outer side of the lower end of the limiting bracket.
4. A deflection-regulating return idler assembly for easy replacement as claimed in claim 3, wherein: the lower part of the vertical installation arm (4) is provided with a shaft hole, the rotating shaft (5) is positioned in the shaft hole, the aperture of the shaft hole is larger than the outer diameter of the rotating shaft (5), and the rotating shaft (5) and the roller frame (2) have the allowance of up-and-down movement; two limiting platforms (11) which respectively correspond to the two supporting parts of the upper end support (7) are arranged at the bottom of the carrier roller frame (2), the bottom surface of the limiting platform (11) which corresponds to the supporting part swinging to the vertical state is parallel to the surface of the fixing seat (1), and the limiting platform (11) falls on the fixing seat (1).
5. The easy-to-replace offset return idler assembly of claim 4, wherein: the roller surface on the outer side of the unidirectional spiral carrier roller (3) is provided with unidirectional spirals, the spiral directions of the two unidirectional spiral carrier rollers (3) which are arranged in a V-shaped mode are opposite, and when the conveying belt moves, the two unidirectional spiral carrier rollers (3) generate force pointing to the center on the conveying belt.
6. The easy-to-replace offset return idler assembly of claim 5, wherein: the included angle between the central line of the unidirectional spiral carrier roller (3) and the central line of the rotating shaft (5) is 10-15 degrees; the included angle between the two support sections of the end support (7) is 15-30 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323274869.9U CN221164519U (en) | 2023-12-02 | 2023-12-02 | Offset return idler device convenient to replace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323274869.9U CN221164519U (en) | 2023-12-02 | 2023-12-02 | Offset return idler device convenient to replace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221164519U true CN221164519U (en) | 2024-06-18 |
Family
ID=91530858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323274869.9U Active CN221164519U (en) | 2023-12-02 | 2023-12-02 | Offset return idler device convenient to replace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221164519U (en) |
-
2023
- 2023-12-02 CN CN202323274869.9U patent/CN221164519U/en active Active
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