CN221190266U - Shaftless spiral conveyor with positioning pins and replaceable high-strength wear-resistant bushings - Google Patents
Shaftless spiral conveyor with positioning pins and replaceable high-strength wear-resistant bushings Download PDFInfo
- Publication number
- CN221190266U CN221190266U CN202322955060.6U CN202322955060U CN221190266U CN 221190266 U CN221190266 U CN 221190266U CN 202322955060 U CN202322955060 U CN 202322955060U CN 221190266 U CN221190266 U CN 221190266U
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- spiral
- bushing
- strength wear
- shaftless
- fixed
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 13
- -1 polytetrafluoroethylene Polymers 0.000 claims description 6
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 5
- 230000002265 prevention Effects 0.000 claims 2
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 18
- 230000009471 action Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 239000002906 medical waste Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Screw Conveyors (AREA)
Abstract
The utility model relates to a shaftless spiral feeder with a positioning pin and a replaceable high-strength wear-resistant bushing, which comprises a spiral feeder cylinder, wherein the high-strength wear-resistant bushing is detachably arranged in the spiral feeder cylinder, an arc-shaped cover plate is detachably arranged on the spiral feeder cylinder, a gearbox fixing plate is fixed on the right side of the spiral feeder cylinder, a motor reducer is fixed on the right side of the gearbox fixing plate through a reducer support frame, a spiral input shaft which is rotationally connected with the inside of the gearbox fixing plate through a bearing is fixed on an output shaft of the motor reducer, and shaftless spirals are fixed on the left side of the spiral input shaft through shaftless spiral connecting discs and spiral connecting rib plates; the inner side of the spiral conveyer cylinder is fixed with a bushing fixing clamp plate. The high-strength wear-resistant lining is manufactured by adopting the high-strength wear-resistant steel plate, and the Rockwell hardness can reach 52-56 due to the fact that the high-strength wear-resistant steel plate has high wear-resistant property and can resist compression of 400 MP.
Description
Technical Field
The utility model relates to the technical field of shaftless spiral conveyors, in particular to a shaftless spiral conveyor with a positioning pin and a replaceable high-strength wear-resistant bushing.
Background
The medical waste after high-temperature steam sterilization is conveyed to the conveying device when the conveying carriage is conveyed by the destroyed and crushed materials, and the conveying device adopts belt conveying in the past, so that the environmental sanitation condition is affected because more waste liquid and a lot of scraps are scattered and splashed. However, when the spiral feeding with a shaft is used, the material is seriously wound, so that the machine cannot normally operate. The problem of winding can be solved by adopting the shaftless screw conveyor, but the shaftless screw has larger mass and no transmission shaft support, the dead weight enables the shaftless screw to generate great pressure on the bottom of the cylinder body, under the action of the pressure, the static friction force is increased, and the cylinder body of the stainless steel screw conveyor with high manufacturing cost is quickly ground to leak, so that the damage is great. Therefore, engineering plastic nylon 66 lining materials are usually used, but due to the fact that the lining materials are stressed very much, even if the lining materials are fixed by bolts, the lining materials are thrown out (commonly called turning tiles) very quickly under the action of strong friction force. If copper bushings are used, the cost is high and the casting process is difficult.
Therefore, a shaftless screw conveyor with a positioning pin and a replaceable high-strength wear-resistant bushing is provided to solve the problems.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides the shaftless screw conveyor with the positioning pin and the replaceable high-strength wear-resistant bushing, which has the advantages of effectively counteracting the moment of shaftless screw acting on the bushing and the like, and solves the problem of bushing 'tile turning' caused by strong rotation friction force of the shaftless screw.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a take removable high strength wear-resisting bush shaftless screw feeder of locating pin, includes screw feeder barrel, demountable installation has high strength wear-resisting bush in the screw feeder barrel, demountable installation has the arc apron on the screw feeder barrel, the right side of screw feeder barrel is fixed with the gearbox fixed plate, the right side of gearbox fixed plate is fixed with motor reducer through the speed reducer support frame, motor reducer's output shaft be fixed with the screw input shaft through bearing rotation connection in the gearbox fixed plate, the left side of screw input shaft is fixed with shaftless screw through shaftless screw connection dish and spiral connection gusset;
The inner side of the spiral conveyer cylinder is fixedly provided with a bushing fixing clamp plate, one side, close to the inner wall of the spiral conveyer cylinder, of the bottom surface of the bushing fixing clamp plate is upwards sunken to form a limit groove, the top surface of the high-strength wear-resistant bushing is limited between the bottom end of the bushing fixing clamp plate and the inner wall of the spiral conveyer cylinder, the bottom of the high-strength wear-resistant bushing is fixedly provided with a high-strength steel bushing locating pin, and the bottom surface of the spiral conveyer cylinder is fixedly provided with a locating pin sleeve matched with the high-strength steel bushing locating pin.
Further, the top surface of the left end of the spiral conveyor cylinder body extends upwards to form a feed inlet, and the right end of the spiral conveyor cylinder body extends downwards to form a discharge outlet.
Further, the spiral feeder cylinder body is composed of a plurality of sections of cylinders, and adjacent cylinders are fixedly connected through shaftless spiral cylinder connecting flanges.
Further, a plurality of shells which are uniformly distributed are fastened on the inner side of the spiral conveyor body through transverse supporting bolts.
Further, a screw conveyor supporting frame is fixed on the outer side of the screw conveyor cylinder.
Further, the bottom thread connection of locating pin sleeve has leak protection liquid sealing bolt, leak protection liquid sealing bolt is equipped with polytetrafluoroethylene sealing pad with the contact surface of locating pin sleeve.
Further, the both ends of arc apron buckle downwards, the top surface at arc apron both ends all is equipped with the apron and connects the clamp plate, the top of both sides face all is fixed with apron bolt carrier around the screw conveyor barrel, apron bolt carrier and apron connect the clamp plate and pass through apron fastening bolt fastening.
Compared with the prior art, the technical scheme of the application has the following beneficial effects:
The shaftless screw conveyor with the positioning pin and the replaceable high-strength wear-resistant bushing adopts the high-strength wear-resistant steel plate to manufacture the high-strength wear-resistant bushing, and the high-strength wear-resistant steel plate has high wear resistance, can resist 400MP of compressive mechanical strength, has Rockwell hardness reaching 52-56, and is quite stable even under the action of rotation friction force of shaftless screws and materials. The processing and forming are easy, the material sources are wide and economical;
The bottom of the high-strength wear-resistant bushing adopts a high-strength steel bushing locating pin and a locating pin sleeve, so that the bushing is prevented from being turned over by the strong rotating friction force of a shaftless screw (namely, the bushing is turned over when the static friction force is high), medical waste is a material with liquid, in order to prevent the leakage of liquid from a screw feeder cylinder body, a liquid leakage-proof sealing bolt and a polytetrafluoroethylene sealing gasket are arranged at the lower part of the locating pin sleeve, the locating pin sleeve is screwed tightly during working, and is loosened when the high-strength wear-resistant bushing is replaced and disassembled to serve as a bushing disassembly hole;
The two sides of the upper part of the high-strength wear-resistant bushing are provided with bushing fixing clamping plates, the high-strength wear-resistant bushing can be firmly clamped after being matched with the bushing locating pin, shaftless spiral is stably transmitted, and when the high-strength wear-resistant bushing is worn, the bushing fixing clamping plates are detached, so that the high-strength wear-resistant bushing can be conveniently replaced;
The arc cover plate is adopted at the top of the spiral conveyor barrel body, so that the volume of the upper space in the spiral conveyor barrel is increased, and the phenomenon that the upper space of the flat cover plate is insufficient in the past to cause blockage is overcome.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the partial structure of FIG. 1 according to the present utility model;
FIG. 3 is a schematic illustration of shaftless screws within the barrel of the screw feeder of the present utility model;
FIG. 4 is a schematic view of the partial structure of FIG. 3 according to the present utility model;
FIG. 5 is a schematic view of a shaftless spiral cylinder attachment flange of the present utility model;
FIG. 6 is a plan cross-sectional view of the utility model as shown in FIG. 1 A-A;
FIG. 7 is a schematic view of a bushing with dowel pins of the present utility model;
FIG. 8 is a schematic diagram of the connection structure of the spiral input shaft and shaftless spiral connection disc of the present utility model.
In the figure: 1. a helical input shaft; 2. a gearbox fixing plate; 3. a shaftless spiral connection disc; 4. spiral connecting rib plates; 5. a shaftless spiral; 6. a housing is transversely supported; 7. a motor speed reducer; 8. a speed reducer support frame; 9. a discharge port; 10. a cover plate fastening bolt; 11. bushing fixed clamp plate bolts; 12. screw conveyor supporting frame; 13. a spiral feeder cylinder; 14. an arc cover plate; 15. a transverse support bolt; 16. a feed inlet; 17. a high strength wear resistant bushing; 18. a bushing fixing clamp plate; 19. a cover plate bolt bracket; 20. the cover plate is connected with the pressing plate; 21. a shaftless spiral cylinder connecting flange; 22. a bushing locating pin; 23. positioning pin sleeves; 24. a polytetrafluoroethylene seal; 25. a liquid leakage-proof sealing bolt.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-8, a shaftless screw conveyor with a positioning pin and a replaceable high-strength wear-resistant bushing in this embodiment includes a screw conveyor barrel 13, a high-strength wear-resistant bushing 17 is detachably mounted in the screw conveyor barrel 13, an arc cover plate 14 is detachably mounted on the screw conveyor barrel 13, a gearbox fixing plate 2 is fixed on the right side of the screw conveyor barrel 13, a speed reducer support frame 8 is fixed on the right side of the gearbox fixing plate 2, a motor speed reducer 7 is fixed on the speed reducer support frame 8, an output shaft of the motor speed reducer 7 is fixed with a screw input shaft 1 rotatably connected with the gearbox fixing plate 2 through a bearing, a shaftless screw connection disc 3 is fixed on the left side of the screw input shaft 1, a screw connection rib plate 4 is fixed on the left side of the shaftless screw connection rib plate 4, and a shaftless screw 5 is fixed on the left side of the screw connection rib plate 4.
The top surface of spiral conveyer barrel 13 left end upwards extends and forms feed inlet 16, and spiral conveyer barrel 13 right-hand member downwardly extending forms discharge gate 9, and motor reducer 7 drives spiral input shaft 1 rotatory, and spiral input shaft 1 drives shaftless spiral 5 through shaftless spiral connection pad 3 and rotates, can carry the material through shaftless spiral 5.
The spiral feeder cylinder 13 comprises multistage cylinder, and adjacent cylinder passes through shaftless spiral cylinder flange 21 to be connected fixedly, can conveniently transport and hoist on site, can not lead to hoist and mount difficulty because of the place is less, is fixed with evenly distributed's triangle gusset on the shaftless spiral cylinder flange 21 for adjacent cylinder connects more firmly, and there is sealing gasket in the middle part of two shaftless spiral cylinder flange 21 junction, makes the device in operation can not appear leaking the liquid phenomenon.
The inner side of the spiral conveyor cylinder 13 is fastened with a plurality of shell transverse supports 6 which are uniformly distributed through transverse support bolts 15, and the inner side of the spiral conveyor cylinder 13 is supported through the shell transverse supports 6, so that the stability of the spiral conveyor cylinder 13 is improved.
The outside of the screw conveyor cylinder 13 is fixed with a screw conveyor supporting frame 12, the screw conveyor supporting frame 12 supports the screw conveyor cylinder 13, and the screw conveyor cylinder 13 is inclined, so that the shaftless screw 5 conveying work is convenient to carry out.
The high-strength wear-resistant bushing 17 is made of a high-strength wear-resistant steel plate, the high-strength wear-resistant steel plate has strong wear-resistant property, the compression mechanical strength is 400MP, the Rockwell hardness can reach 52-56, even if the high-strength wear-resistant bushing 17 is quite stable under the action of the rotating friction force of the shaftless screw 5 and the material, the processing and forming are easy, the material sources are wide and economical, the high-strength wear-resistant bushing 17 can be conveniently detached and replaced due to the fact that the high-strength wear-resistant bushing 17 is detachably arranged in the screw conveyor cylinder 13, the high-strength wear-resistant bushing 17 and the screw conveyor cylinder 13 are assembled in a mode that the inner side of the screw conveyor cylinder 13 is fixedly provided with a bushing fixing clamp plate 18 through a bushing fixing clamp plate bolt 11, the bottom surface of the bushing fixing clamp plate 18 is upwards sunken to form a limit groove near one side of the inner wall of the screw conveyor cylinder 13, the top surface of the high-strength wear-resistant bushing 17 is limited between the bottom end of the bushing fixing clamp plate 18 and the inner wall of the screw conveyor cylinder 13, the two groups of the bushing fixing clamp plates 18 are respectively pressed on the inner sides of the screw conveyor cylinder 13, and the bushing fixing clamp plate 18 is fastened on the screw conveyor cylinder 13 through the bushing fixing clamp plate 11 to fasten the bushing fixing clamp plate 18 on the inner side of the screw conveyor cylinder 13.
In order to prevent the high-strength wear-resistant bushing 17 from "turning over" due to the strong rotational friction of the shaftless screw 5 (i.e., the bushing turns over when subjected to a large static friction), a high-strength steel bushing positioning pin 22 is fixed at the bottom of the high-strength wear-resistant bushing 17, and a positioning pin sleeve 23 matched with the high-strength steel bushing positioning pin 22 is fixed at the bottom of the screw feeder cylinder 13.
Because the bottom of the high-strength wear-resistant bushing 17 is arc-shaped and has no constraint force with the screw feeder barrel 13, even if bushing fixing clamping plates 18 are arranged at two sides of the high-strength wear-resistant bushing 17, certain deformation can be caused if the rotation friction force of the shaftless screw 5 is overlarge, because the high-strength steel bushing locating pin 22 is arranged at the bottom of the high-strength wear-resistant bushing 17, very strong shearing force can be generated on a locating pin shaft, the moment of the shaftless screw 5 acting on the high-strength wear-resistant bushing 17 can be effectively counteracted, the locating pin sleeve 23 can also be used as an upward ejection hole for disassembling and replacing the bushing at the same time, because the high-strength wear-resistant bushing 17 is slightly tightly matched with the screw feeder barrel 13 when being arranged in place, and the four-edge gap is small, a disassembling tool is not needed, and the high-strength wear-resistant bushing 17 can be ejected by a hand hammer upwards after the disassembling hole is knocked, so that the disassembly is more convenient.
Because medical waste is the material that has liquid, in order to prevent spiral feeder barrel 13 from spilling liquid, and the bottom threaded connection of locating pin sleeve 23 has leak protection liquid seal bolt 25, leak protection liquid seal bolt 25 is equipped with polytetrafluoroethylene sealing pad 24 with locating pin sleeve 23's contact surface, presses polytetrafluoroethylene sealing pad 24 in locating pin sleeve 23 bottom surface through leak protection liquid seal bolt 25, screws up it during operation, can effectively prevent liquid outflow, loosens when changing the dismantlement bush, as the dismantlement hole of dismantlement bush 17.
The high-strength wear-resistant bushing 17 can be firmly clamped by adopting bushing fixing clamping plates 18 on two sides of the upper part of the high-strength wear-resistant bushing 17 after being matched with the bushing locating pin 22, the shaftless screw 5 is stably driven, and the high-strength wear-resistant bushing 17 can be conveniently replaced by removing the bushing fixing clamping plates 18 after the bushing is worn.
The assembly mode of the arc cover plate 14 and the spiral conveyor barrel 13 is shown in fig. 6, two ends of the arc cover plate 14 are bent downwards to wrap two sides of the spiral conveyor barrel 13, cover plate connecting pressing plates 20 are arranged on the top surfaces of two ends of the arc cover plate 14, cover plate bolt supports 19 are fixed on the tops of the front side and the rear side of the spiral conveyor barrel 13, the cover plate bolt supports 19 and the cover plate connecting pressing plates 20 are fastened through cover plate fastening bolts 10, the arc cover plate 14 is adopted on the top of the spiral conveyor barrel 13, the volume of the upper space in the spiral conveyor barrel 13 is increased, the phenomenon that blocking is caused by insufficient upper space of a flat cover plate in the past is overcome, and particularly, a plurality of flexible materials are wound together in a rolling ball in a shaftless spiral conveyor for medical waste, and the rolling ball is expanded in volume to be blocked out of the top cover plate to be blocked.
The high-strength wear-resistant bushing shaftless spiral conveyor with the locating pin has the advantages of good sealing performance, no tile turning, no winding, no splashing of scraps and no liquid leakage, convenient replacement of the high-strength wear-resistant bushing, low maintenance cost, and particular suitability for the medical waste disposal industry as material transmission, and the specific use method is as follows:
The material is put into the spiral feeder cylinder 13 through the feed inlet 16, the motor speed reducer 7 drives the spiral input shaft 1 to rotate, the spiral input shaft 1 drives the shaftless spiral 5 to rotate through the shaftless spiral connecting disc 3, the material can be conveyed through the shaftless spiral 5, and after being conveyed to the tail end of the spiral feeder cylinder 13, the material is discharged through the discharge port 9.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a take removable high strength wear-resisting bush shaftless screw feeder of locating pin, its characterized in that includes screw feeder barrel (13), high strength wear-resisting bush (17) are installed to removable in screw feeder barrel (13), arc apron (14) are installed to removable on screw feeder barrel (13), gearbox fixed plate (2) are fixed with on the right side of screw feeder barrel (13), the right side of gearbox fixed plate (2) is fixed with motor reducer (7) through speed reducer support frame (8), the output shaft of motor reducer (7) be fixed with screw input shaft (1) through bearing rotation connection in gearbox fixed plate (2), the left side of screw input shaft (1) is fixed with shaftless spiral (5) through shaftless spiral connection dish (3) and spiral connection gusset (4);
The inner side of the spiral conveyer barrel body (13) is fixedly provided with a bushing fixing clamp plate (18), one side, close to the inner wall of the spiral conveyer barrel body (13), of the bottom surface of the bushing fixing clamp plate (18) is sunken upwards to form a limit groove, the top surface of the high-strength wear-resistant bushing (17) is limited between the bottom end of the bushing fixing clamp plate (18) and the inner wall of the spiral conveyer barrel body (13), the bottom of the high-strength wear-resistant bushing (17) is fixedly provided with a high-strength steel bushing locating pin (22), and the bottom surface of the spiral conveyer barrel body (13) is fixedly provided with a locating pin sleeve (23) matched with the high-strength steel bushing locating pin (22).
2. The replaceable high-strength wear-resistant bushing shaftless screw conveyor with positioning pins of claim 1, wherein: the top surface of the left end of the spiral conveyor cylinder body (13) extends upwards to form a feed inlet (16), and the right end of the spiral conveyor cylinder body (13) extends downwards to form a discharge outlet (9).
3. The replaceable high-strength wear-resistant bushing shaftless screw conveyor with positioning pins of claim 1, wherein: the spiral conveyor cylinder (13) consists of a plurality of sections of cylinders, and adjacent cylinders are fixedly connected through shaftless spiral cylinder connecting flanges (21).
4. The replaceable high-strength wear-resistant bushing shaftless screw conveyor with positioning pins of claim 1, wherein: a plurality of shell transverse supports (6) which are uniformly distributed are fastened on the inner side of the spiral conveyor cylinder body (13) through transverse support bolts (15).
5. The replaceable high-strength wear-resistant bushing shaftless screw conveyor with positioning pins of claim 1, wherein: the outer side of the screw conveyor cylinder (13) is fixed with a screw conveyor supporting frame (12).
6. The replaceable high-strength wear-resistant bushing shaftless screw conveyor with positioning pins of claim 1, wherein: the bottom thread of the positioning pin sleeve (23) is connected with a liquid leakage prevention sealing bolt (25), and a polytetrafluoroethylene sealing gasket (24) is arranged on the contact surface of the liquid leakage prevention sealing bolt (25) and the positioning pin sleeve (23).
7. The replaceable high-strength wear-resistant bushing shaftless screw conveyor with positioning pins of claim 1, wherein: the two ends of the arc cover plate (14) are bent downwards, cover plate connecting pressing plates (20) are arranged on the top surfaces of the two ends of the arc cover plate (14), cover plate bolt supports (19) are fixed on the tops of the front side and the rear side of the spiral conveyor cylinder (13), and the cover plate bolt supports (19) and the cover plate connecting pressing plates (20) are fastened through cover plate fastening bolts (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322955060.6U CN221190266U (en) | 2023-11-02 | 2023-11-02 | Shaftless spiral conveyor with positioning pins and replaceable high-strength wear-resistant bushings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322955060.6U CN221190266U (en) | 2023-11-02 | 2023-11-02 | Shaftless spiral conveyor with positioning pins and replaceable high-strength wear-resistant bushings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221190266U true CN221190266U (en) | 2024-06-21 |
Family
ID=91493450
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322955060.6U Active CN221190266U (en) | 2023-11-02 | 2023-11-02 | Shaftless spiral conveyor with positioning pins and replaceable high-strength wear-resistant bushings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221190266U (en) |
-
2023
- 2023-11-02 CN CN202322955060.6U patent/CN221190266U/en active Active
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