CN220930002U - Quick dismounting structure for safety pin of filament cutter - Google Patents
Quick dismounting structure for safety pin of filament cutter Download PDFInfo
- Publication number
- CN220930002U CN220930002U CN202322920960.7U CN202322920960U CN220930002U CN 220930002 U CN220930002 U CN 220930002U CN 202322920960 U CN202322920960 U CN 202322920960U CN 220930002 U CN220930002 U CN 220930002U
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- mounting hole
- connecting hole
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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Abstract
The utility model discloses a quick dismounting structure of a safety pin of a shredder, which comprises the following components: a support frame; the bearing sleeve is used for being sleeved on the driving shaft of the speed reducer, a fixed block is arranged at the first end of the bearing sleeve in a surrounding mode, and a mounting hole is formed in the fixed block; the gear is connected with the support frame, the gear is sleeved on the bearing sleeve, the side wall of the gear is abutted with the fixed block, and the gear is provided with a first connecting hole corresponding to the mounting hole; the safety pin is inserted into the mounting hole and the first connecting hole, and is provided with a threaded hole used for screwing the safety pin out of the mounting hole; the movable ring is arranged on the support frame and is rotationally connected with the gear, a second connecting hole is formed in the movable ring, and the second connecting hole is communicated with the first connecting hole and the mounting hole. The utility model can rapidly take out all broken safety pins, reduces the labor intensity of maintenance personnel and improves the maintenance efficiency.
Description
Technical Field
The utility model relates to the technical field of transmission safety protection of filament cutters, in particular to a quick dismounting structure of a safety pin of a filament cutter.
Background
The SQ361 type shredder is a shredding device commonly used in China. In the transmission system, a lower copper bar chain of the SQ361 type shredder is driven by a speed reducer controlled by a servo motor, a speed reducer driving shaft drives a pinion to rotate, a pinion assembly is driven by the pinion to rotate, a large gear sleeve in the large gear assembly is in spline connection with a copper bar chain driving shaft, so that a lower copper bar chain driving roller is driven to rotate, and finally the lower copper bar chain is driven to run. Under normal conditions, the output torque of the speed reducer drives a large gear through a small gear, the large gear drives the copper bar chain driving shaft to rotate again, and in order to overload protection, a large gear sleeve and a safety pin are designed in a large gear assembly at present, the large gear and the large gear sleeve are relatively fixed through the safety pin, and the large gear sleeve and the copper bar chain driving shaft are relatively fixed through a spline.
When overload occurs, the safety pin is triggered to break, so that the large gear and the large gear sleeve are disconnected, the large gear idles, and the speed reducer and the large gear are protected. However, because the transmission system is arranged between the speed reducer and the unit bracket, the space is relatively limited, the difficulty in taking out the broken safety pin is extremely high, and the broken safety pin can be taken out only by dismantling all parts on one side of the whole speed reducer, thereby being time-consuming and labor-consuming, increasing the labor intensity of maintenance personnel and being extremely low in efficiency.
Therefore, how to provide a quick dismounting structure for the safety pin of the shredder becomes a technical problem to be solved in the field.
Disclosure of utility model
The utility model aims to provide a novel technical scheme of a quick dismounting structure of a safety pin of a shredder.
According to a first aspect of the present utility model, there is provided a quick assembly disassembly structure for a shredder safety pin, comprising: a support frame;
The bearing sleeve is used for being sleeved on the driving shaft of the speed reducer, a fixed block is arranged at the first end of the bearing sleeve in a surrounding mode, and a mounting hole is formed in the fixed block;
The gear is connected with the supporting frame, the gear is sleeved on the bearing sleeve, the side wall of the gear is abutted to the fixed block, and a first connecting hole is formed in the gear and corresponds to the mounting hole;
The safety pin is inserted into the mounting hole and the first connecting hole, and is provided with a threaded hole used for screwing the safety pin out of the mounting hole;
The movable ring is arranged on the support frame and is rotationally connected with the gear, a second connecting hole is formed in the movable ring, and the second connecting hole is communicated with the first connecting hole and the mounting hole.
Optionally, the second connecting holes are multiple and respectively extend along the circumference of the movable ring.
Optionally, a rotating handle is arranged on the movable ring.
Optionally, the cross section of the movable ring is T-shaped, and in a normal state, the second connecting hole on the movable ring is dislocated with the first connecting hole and the mounting hole; and in the state of taking the safety pin, the second connecting hole on the movable ring is communicated with the first connecting hole and the mounting hole.
Optionally, the quick dismounting structure of the safety pin of the shredder further comprises a load assembly and a driving shaft, the bearing sleeve is sleeved on the driving shaft, the first end of the driving shaft is connected with the load assembly, a gap is reserved between the bearing sleeve and the load assembly, and the distance between the mounting hole and the central shaft of the bearing sleeve is larger than the distance between the peripheral wall of the load assembly and the central shaft of the bearing sleeve.
Optionally, the quick dismounting structure of the safety pin of the shredder further comprises a bearing seat, wherein the bearing seat is connected with the supporting frame, and the second end of the driving shaft is connected with the bearing seat.
Optionally, the driving shaft is connected with the bearing seat through a spline.
Optionally, the mounting holes and the first connecting holes are all multiple, and the mounting holes and the first connecting holes are distributed at equal angles with the axis of the gear as the center of a circle.
The utility model has the beneficial effects that:
According to the utility model, the fixed block is arranged at the first end of the bearing sleeve in a surrounding manner, the mounting hole is arranged on the fixed block, the gear is sleeved on the bearing sleeve, the side wall of the gear is abutted against the fixed block, the gear is provided with the first connecting hole corresponding to the mounting hole, the movable ring is rotationally connected with the gear, the movable ring is provided with the second connecting hole communicated with the first connecting hole and the mounting hole, the safety pin is inserted into the mounting hole and the first connecting hole, and the safety pin is provided with the threaded hole. When overload occurs and the break pin is broken, the break pin in the fixed block is matched with the maintenance tool through the threaded hole, then the movable ring is rotated, the second connecting hole is communicated with the first connecting hole and the mounting hole, and then the break pin in the gear is ejected out through the ejector rod, so that the broken break pin can be quickly and completely taken out, the labor intensity of maintenance personnel is reduced, and the maintenance efficiency is improved.
Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.
FIG. 1 is a block diagram of a quick release structure for a shredder safety pin of the present utility model;
FIG. 2 is a block diagram of a movable ring according to the present utility model;
FIG. 3 is an assembly view of a bearing housing and load assembly of the present utility model;
FIG. 4 is a schematic diagram of the present utility model with the shear pin broken into the bearing housing removed;
fig. 5 is a schematic diagram of the utility model with the shear pin broken into the gear removed.
The figures are marked as follows: 1. a support frame; 2. a bearing sleeve; 21. a fixed block; 22. a mounting hole; 3. a gear; 31. a first connection hole; 4. a safety pin; 41. a threaded hole; 5. a movable ring; 51. a second connection hole; 52. rotating the handle; 6. a load assembly; 7. a drive shaft; 8. a bearing seat; 9. a spline; 101. a long screw; 102. and (5) a push rod.
Detailed Description
Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
As shown in fig. 1 to 5, the embodiment of the utility model provides a quick dismounting structure for a safety pin of a shredder, which comprises a supporting frame 1, a bearing sleeve 2, a gear 3, a safety pin 4 and a movable ring 5.
The support frame 1 is used for fixing the bearing sleeve 2, the gear 3 and the movable ring 5. The bearing sleeve 2 is used for being sleeved on the speed reducer driving shaft 7, a fixed block 21 is arranged at the first end of the bearing sleeve 2 in a surrounding mode, and a mounting hole 22 is formed in the fixed block 21. Specifically, the fixing block 21, which is annularly provided at the first end of the bearing housing 2, forms a boss structure with the bearing housing 2.
The gear 3 is connected with the support frame 1, and the gear 3 cover is established on the bearing housing 2, and the lateral wall and the fixed block 21 butt of gear 3 are provided with on the gear 3 and are provided with first connecting hole 31 corresponding with mounting hole 22. Specifically, the internal structure of the gear 3 is matched with the bearing housing 2 and the fixed block 21, so that the bearing housing 2 and the fixed block 21 can be stably connected with the gear 3.
The diameters of the mounting hole 22 and the first connection hole 31 are the same, and specific parameters of the diameters of the mounting hole 22 and the first connection hole 31 are not limited here.
The safety pin 4 is inserted into the mounting hole 22 and the first connection hole 31, and a screw hole 41 is provided on the safety pin 4, the screw hole 41 being used to screw the safety pin 4 out of the mounting hole 22.
The movable ring 5 is arranged on the support frame 1, the movable ring 5 is rotationally connected with the gear 3, the movable ring 5 is provided with a second connecting hole 51, and the second connecting hole 51 is communicated with the first connecting hole 31 and the mounting hole 22. The diameter of the second connecting hole 51 may be equal to the diameters of the mounting hole 22 and the first connecting hole 31, and the diameter of the second connecting hole 51 may be larger than the diameters of the mounting hole 22 and the first connecting hole 31. However, the diameter of the second connection hole 51 cannot be set smaller than the diameters of the mounting hole 22 and the first connection hole 31, and when the diameter of the second connection hole 51 cannot be smaller than the diameters of the mounting hole 22 and the first connection hole 31, the shear pin 4 broken in the gear 3 cannot be taken out from the second connection.
In the present embodiment, when overload occurs and the shear pin 4 breaks, a part of the shear pin 4 breaks in the fixed block 21 and another part of the shear pin 4 breaks in the gear 3. Since the threaded hole 41 is provided in the safety pin 4 and the safety pin 4 is not completely inserted into the first coupling hole 31 and the mounting hole 22 when the safety pin 4 is mounted, the safety pin 4 broken in the fixing block 21 may be taken out by a maintenance tool through the threaded hole 41 provided in the safety pin 4, where the maintenance tool is a tool screw-matched with the threaded hole 41, in this embodiment, the long screw 101, but the long screw 101 is not intended to limit the present utility model and any application or use thereof.
Next, the movable ring 5 is rotated so that the second connection hole 51 of the movable ring 5 communicates with the first connection hole 31 and the mounting hole 22, and then the shear pin 4 broken in the gear 3 is ejected by the ejector 102. The shear pin 4 may also be ejected by other components, and the ejector rod 102 herein is not intended to be limiting in any way in the practice or use of the present utility model.
The utility model is characterized in that a fixed block 21 is arranged at a first end ring of a bearing sleeve 2, a mounting hole 22 is arranged on the fixed block 21, a gear 3 is sleeved on the bearing sleeve 2, the side wall of the gear 3 is abutted against the fixed block 21, a first connecting hole 31 is arranged on the gear 3 corresponding to the mounting hole 22, a movable ring 5 is rotationally connected with the gear 3, a second connecting hole 51 which is communicated with the first connecting hole 31 and the mounting hole 22 is arranged on the movable ring 5, a safety pin 4 is inserted into the mounting hole 22 and the first connecting hole 31, and a threaded hole 41 is arranged on the safety pin 4. When overload occurs and the break pin 4 is broken, the break pin 4 in the fixed block 21 is matched with the maintenance tool through the threaded hole 41, then the movable ring 5 is rotated, the second connecting hole 51 is communicated with the first connecting hole 31 and the mounting hole 22, and then the break pin 4 in the gear 3 is ejected out through the ejector rod 102, so that the broken break pin 4 can be quickly and completely taken out, the labor intensity of maintenance personnel is reduced, and the maintenance efficiency is improved.
In one embodiment of the quick release structure of the shredder safety pin of the present utility model, the second connecting holes 51 have a plurality of second connecting holes 51, and the plurality of second connecting holes 51 are respectively disposed to extend along the circumferential direction of the movable ring 5.
According to the utility model, the movable ring 5 is provided with the plurality of second connecting holes 51, and the plurality of second connecting holes 51 are respectively arranged in the extending manner along the circumferential direction of the movable ring 5, so that the flexibility of taking out the safety pin 4 is improved, and the maintenance efficiency is further improved.
In one embodiment of the quick release structure of the shredder safety pin of the present utility model, as shown in fig. 3, the plurality of mounting holes 22 and the plurality of first connecting holes 31 are all provided, and the plurality of mounting holes 22 and the plurality of first connecting holes 31 are distributed at equal angles with the axis of the gear 3 as the center of a circle.
In the present embodiment, the number of the shear pins 4 is plural, and the plurality of shear pins 4 are provided in the plurality of mounting holes 22 and the plurality of first connection holes 31, respectively.
According to the utility model, the plurality of mounting holes 22 and the plurality of first connecting holes 31 are arranged, the plurality of mounting holes 22 and the plurality of first connecting holes 31 are distributed at equal angles by taking the axle center of the gear 3 as the circle center, so that the plurality of safety pins 4 are inserted into the plurality of mounting holes 22 and the plurality of first connecting holes 31, and the plurality of safety pins 4 are arranged, so that the stability of connecting the bearing sleeve 2 with the gear 3 is improved, the torque transmission efficiency is improved, and the safety and the reliability of a shredder system are ensured.
In one embodiment of the quick release structure of the shredder safety pin of the present utility model, as shown in fig. 1-5, a rotatable knob 52 is provided on the movable ring 5. The two rotary handles 52 in this embodiment are symmetrically disposed on the movable ring 5, which facilitates the rotation of the ring by the operator and improves the working efficiency of the operator.
In one embodiment of the quick assembly disassembly structure of the safety pin of the shredder of the present utility model, as shown in fig. 1 to 5, the cross section of the movable ring 5 is T-shaped, and in a normal state, the second connecting hole 51 on the movable ring 5 is dislocated with the first connecting hole 31 and the mounting hole 22; in the state of taking the safety pin 4, the second connecting hole 51 on the movable ring 5 is communicated with the first connecting hole 31 and the mounting hole 22.
In this embodiment, the second connecting hole 51, the first connecting hole 31 and the mounting hole 22 on the movable ring 5 are arranged in a dislocation manner in a normal working state, so that the movable ring 5 plugs the first connecting hole 31, and the cut-off safety pin 4 is prevented from flying out to cause injury to an operator. And when overload occurs, the safety pin 4 is broken under the action of pressure, and the second connecting hole 51 is communicated with the first connecting hole 31 and the mounting hole 22 by rotating the movable disc, so that an operator can take out the broken safety pin 4 conveniently.
In one embodiment of the quick assembly disassembly structure of the safety pin of the shredder, as shown in fig. 1 to 5, the quick assembly disassembly structure of the safety pin of the shredder further comprises a load assembly 6 and a driving shaft 7, wherein the bearing sleeve 2 is sleeved on the driving shaft 7, the first end of the driving shaft 7 is connected with the load assembly 6, and a gap is reserved between the bearing sleeve 2 and the load assembly 6, so that the safety pin 4 cannot be contacted with the load assembly 6 to damage the safety pin 4 when rotating along with the bearing sleeve 2. And the distance between the mounting hole 22 and the central axis of the bearing housing 2 is larger than the distance between the peripheral wall of the load assembly 6 and the central axis of the bearing housing 2.
In this embodiment, when the load assembly 6 is connected to the drive shaft 7, at least part of the bearing housing 2 is located outside the load assembly 6, and the distance between the mounting hole 22 and the central axis of the bearing housing 2 is made larger than the distance between the outer peripheral wall of the load assembly 6 and the central axis of the bearing housing 2 by rotating the bearing housing 2.
According to the utility model, the bearing sleeve 2 is sleeved on the driving shaft 7, the first end of the driving shaft 7 is connected with the load assembly 6, a gap is reserved between the bearing sleeve 2 and the load assembly 6, and the distance between the mounting hole 22 and the central shaft of the bearing sleeve 2 is larger than the distance between the peripheral wall of the load assembly 6 and the central shaft of the bearing sleeve 2, so that the outer end of the safety pin 4 can be completely exposed by rotating the bearing sleeve 2 when overload occurs, and the safety pin 4 broken in the fixed block 21 can be taken out conveniently.
In one embodiment of the quick assembly disassembly structure of the safety pin of the shredder, as shown in fig. 1, the quick assembly disassembly structure of the safety pin of the shredder further comprises a bearing seat 8, wherein the bearing seat 8 is connected with the support frame 1, and a second end of the driving shaft 7 is connected with the bearing seat 8.
The utility model increases the stability of the drive shaft 7 mounted on the support frame 1 by connecting the bearing seat 8 with the support frame 1 and connecting the second end of the drive shaft 7 with the bearing seat 8.
In one embodiment of the quick release structure of the shredder safety pin of the present utility model, as shown in fig. 1, the drive shaft 7 is connected to the housing 8 by a spline 9. This arrangement increases the stability of the connection of the drive shaft 7 to the bearing housing 8.
The working principle of the quick dismounting structure of the safety pin of the shredder is as follows: when overload occurs to cause breakage of the shear pin 4, a part of the shear pin 4 is broken in the fixed block 21 and another part of the shear pin 4 is broken in the gear 3. Since the screw hole 41 is provided in the safety pin 4 and the safety pin 4 is not entirely inserted into the first coupling hole 31 and the mounting hole 22 when the safety pin 4 is mounted, the safety pin 4 broken in the fixing block 21 can be taken out through the long screw 101 by the screw hole 41 provided in the safety pin 4.
Next, the movable ring 5 is rotated so that the second connection hole 51 of the movable ring 5 communicates with the first connection hole 31 and the mounting hole 22, and then the shear pin 4 broken in the gear 3 is ejected by the ejector 102.
The utility model can rapidly take out all broken safety pins 4 without disassembling parts in large batch, reduces the difficulty of taking out broken safety pins 4, reduces the labor intensity of maintenance personnel and improves the maintenance efficiency.
While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.
Claims (8)
1. Quick assembly disassembly structure of filament cutter safety pin, its characterized in that includes: a support frame;
The bearing sleeve is used for being sleeved on the driving shaft of the speed reducer, a fixed block is arranged at the first end of the bearing sleeve in a surrounding mode, and a mounting hole is formed in the fixed block;
The gear is connected with the supporting frame, the gear is sleeved on the bearing sleeve, the side wall of the gear is abutted to the fixed block, and a first connecting hole is formed in the gear and corresponds to the mounting hole;
The safety pin is inserted into the mounting hole and the first connecting hole, and is provided with a threaded hole used for screwing the safety pin out of the mounting hole;
The movable ring is arranged on the support frame and is rotationally connected with the gear, a second connecting hole is formed in the movable ring, and the second connecting hole is communicated with the first connecting hole and the mounting hole.
2. The quick release structure of claim 1, wherein the second connecting holes are provided in plural numbers, and each of the second connecting holes extends along a circumferential direction of the movable ring.
3. The quick release structure of a shredder safety pin according to claim 2, wherein the movable ring is provided with a rotatable knob.
4. The quick assembly disassembly structure of a shredder safety pin according to claim 1, wherein the cross section of the movable ring is T-shaped, and the second connecting hole on the movable ring is dislocated with the first connecting hole and the mounting hole in a normal state; and in the state of taking the safety pin, the second connecting hole on the movable ring is communicated with the first connecting hole and the mounting hole.
5. The quick assembly disassembly structure of a shredder safety pin according to claim 1, further comprising a load assembly and a drive shaft, wherein the bearing housing is sleeved on the drive shaft, the first end of the drive shaft is connected to the load assembly, a gap is provided between the bearing housing and the load assembly, and a distance between the mounting hole and a central axis of the bearing housing is greater than a distance between an outer peripheral wall of the load assembly and the central axis of the bearing housing.
6. The quick assembly disassembly structure of a shredder safety pin according to claim 5, further comprising a bearing housing, the bearing housing being connected to the support frame and the second end of the drive shaft being connected to the bearing housing.
7. The quick release structure of a shredder safety pin according to claim 6, wherein the drive shaft is splined to the housing.
8. The quick assembly disassembly structure of a shredder safety pin according to claim 1, wherein the mounting holes and the first connecting holes are all plural, and the mounting holes and the first connecting holes are distributed at equal angles with the axis of the gear as a center of a circle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322920960.7U CN220930002U (en) | 2023-10-30 | 2023-10-30 | Quick dismounting structure for safety pin of filament cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322920960.7U CN220930002U (en) | 2023-10-30 | 2023-10-30 | Quick dismounting structure for safety pin of filament cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220930002U true CN220930002U (en) | 2024-05-10 |
Family
ID=90937829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322920960.7U Active CN220930002U (en) | 2023-10-30 | 2023-10-30 | Quick dismounting structure for safety pin of filament cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220930002U (en) |
-
2023
- 2023-10-30 CN CN202322920960.7U patent/CN220930002U/en active Active
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