CN215924250U - Wear-resistant device of elevator brake disc - Google Patents
Wear-resistant device of elevator brake disc Download PDFInfo
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- CN215924250U CN215924250U CN202121967879.9U CN202121967879U CN215924250U CN 215924250 U CN215924250 U CN 215924250U CN 202121967879 U CN202121967879 U CN 202121967879U CN 215924250 U CN215924250 U CN 215924250U
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- brake disc
- disc
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- resistant
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Abstract
An anti-abrasion device of an elevator brake disc comprises an upper brake disc, a lower brake disc, a connecting column, radiating fins, a threaded column, a nut and a wear-resistant disc, wherein a gap is formed between the upper brake disc and the lower brake disc, the upper brake disc and the lower brake disc are connected through the connecting column, the radiating fins are arranged at the gap, the threaded column is arranged in the center of the upper surface of the upper brake disc, the wear-resistant disc is sleeved on the outer side of the threaded column, the nut is arranged on the threaded column and tightly presses the bottom wear-resistant disc, the wear-resistant disc is arranged above the upper brake disc, the friction loss of a brake pad can be reduced through the friction between the wear-resistant disc and the brake pad, the replacement is convenient, the cost is lower, the heat of the wear-resistant disc is transmitted to the heat-conductive pad and the radiating fins through an annular bulge, when the brake disc rotates, the radiating fins can also rotate to drive the air around the radiating holes to flow, and the heat is discharged to the radiating fins through the air flow, the heat on the wear-resistant disc can be quickly dissipated, and the situation that the heat stress causes deformation and the abrasion is aggravated is prevented.
Description
Technical Field
The utility model relates to the technical field of elevators, in particular to an anti-abrasion device of an elevator brake disc.
Background
The current elevator generally drives through the hauler, the hauler drives the operation of steel cable drive elevator car through the driving sheave, the elevator brake disc is generally to fix the device that plays braking action on the driving sheave, thereby the brake disc brakes and slows down through rubbing with the brake block, current elevator brake disc needs often to rub with the brake block, so lead to wearing and tearing great, so need change its whole, not only the cost is higher, and current driving sheave adopts multipoint bolt fixed connection with the brake disc, it is comparatively troublesome to change, current elevator brake disc is overheated easily under long-time friction situation, and the brake disc of too high temperature can make its inside stress change, make it take place deformation, the wearing and tearing speed is rapider, therefore how to design the problem that the wear resistant device of an elevator brake disc becomes current need solve urgently.
Disclosure of Invention
According to the technical problem, the utility model provides an anti-wear device of an elevator brake disc, which is characterized by comprising an upper brake disc, a lower brake disc, a connecting column, a radiating fin, a threaded column, a nut and a wear-resistant disc, wherein a gap is formed between the upper brake disc and the lower brake disc;
the center of the threaded column and the center of the connecting column are provided with shaft holes in a penetrating way;
the upper surface of the upper brake disc is provided with an annular embedding groove, the outer side and the inner side inner wall of the annular embedding groove are both provided with a circle of sawtooth grooves along the circumferential direction, the outer side of the lower surface of the wear-resistant disc is provided with a circle of annular bulges, the outer side wall and the inner side wall of each annular bulge are both provided with a circle of sawtooth lugs along the circumferential direction, the annular bulges are arranged in the annular embedding grooves, and the sawtooth lugs are matched with the sawtooth grooves;
the inner wall of the annular embedding groove is provided with a layer of heat conducting fins, and the bottoms of the heat conducting fins are connected with the radiating fins positioned at the gaps;
the number of the radiating fins is N, N is more than or equal to 2, the radiating fins are uniformly distributed along the outer side of the connecting column in a fan blade shape along the circumferential direction, one end of each radiating fin is connected with the upper brake pad, and the other end of each radiating fin is connected with the lower brake pad;
and a plurality of heat dissipation holes are uniformly formed in the lower brake disc.
The utility model has the beneficial effects that:
according to the utility model, the wear-resistant disc is arranged above the upper brake disc, friction between the wear-resistant disc and the brake pad can be used for reducing the friction loss of the brake pad, meanwhile, the wear-resistant disc is convenient to replace, the wear-resistant disc is taken down only by screwing down the nut, and the nut is screwed up after a new wear-resistant disc is replaced, meanwhile, the cost for replacing the wear-resistant disc is lower than that for replacing the whole brake disc, the replacement cost of each time is reduced, and the replacement time of each time is reduced;
the utility model arranges the annular bulge on the lower surface of the wear-resistant disc, arranges the annular embedding groove on the upper brake disc, arranges a layer of heat-conducting fin on the inner wall of the annular embedding groove to connect with the radiating fin, when the wear-resistant disc runs, a large amount of heat is generated, the heat is conducted to the heat-conducting fins on the inner wall of the annular embedding groove through the annular bulges, the heat-conducting fins conduct the heat to the radiating fins, the radiating fins are uniformly distributed along the outer circumference of the connecting column in a fan-blade shape, therefore, when the brake disc rotates, the radiating fins also rotate and drive the air around the radiating fins to flow, the heat on the radiating fins is quickly discharged to the radiating holes of the lower brake disc through the air flow, the heat of the wear-resisting disc is discharged through the heat dissipation holes, so that the heat on the wear-resisting disc can be quickly dissipated, the situation that the wear-resisting disc and the brake disc are overheated is prevented, and the situation that the wear is aggravated due to deformation of the wear-resisting disc and the brake disc caused by thermal stress is prevented;
according to the utility model, the gap is arranged between the upper brake block and the lower brake block, so that the overall weight of the brake disc is indirectly reduced, the inertia of the brake disc is reduced, the brake disc can be braked more quickly, and the practicability is higher.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view of a front view of the present invention;
FIG. 3 is a cross-sectional view of a top view of the present invention;
FIG. 4 is a top plan view of the upper brake rotor of the present invention;
fig. 5 is a bottom view of the wear plate of the present invention.
As shown in the figure: 1. an upper brake disc; 2. a lower brake disc; 3. connecting columns; 4. a heat dissipating fin; 5. a threaded post; 6. a nut; 7. a wear resistant disc; 8. a void; 9. a shaft hole; 10. an annular embedding groove; 11. a sawtooth groove; 12. an annular projection; 13. a saw-tooth bump; 14. a heat conductive sheet; 15. and (4) heat dissipation holes.
Detailed Description
Example 1
The utility model provides an anti-abrasion device of an elevator brake disc, which is characterized by comprising an upper brake disc 1, a lower brake disc 2, a connecting column 3, radiating fins 4, threaded columns 5, nuts 6 and a wear-resistant disc 7, wherein a gap 8 is arranged between the upper brake disc 1 and the lower brake disc 2, the upper brake disc 1 and the lower brake disc 2 are connected through the connecting column 3, the radiating fins 4 are arranged in the gap 8 between the upper brake disc 1 and the lower brake disc 2, the threaded column 5 is arranged in the center of the upper surface of the upper brake disc 1, a through hole is formed in the center of the wear-resistant disc 7, the wear-resistant disc 7 is sleeved on the outer side of the threaded column 5 on the upper surface of the upper brake disc 1 through the through hole in the center, and the nuts 6 are arranged on the threaded column 5 and tightly press the wear-resistant disc 7 at the bottom;
the center of the threaded column 5 and the center of the connecting column 3 are provided with shaft holes 9 in a penetrating way;
an annular embedding groove 10 is formed in the upper surface of the upper brake disc 1, a circle of sawtooth grooves 11 are circumferentially formed in the outer side and the inner side inner wall of the annular embedding groove 10, a circle of annular protrusions 12 are circumferentially formed in the outer side of the lower surface of the wear-resistant disc 7, a circle of sawtooth bumps 13 are circumferentially formed in the outer side wall and the inner side wall of each annular protrusion 12, each annular protrusion 12 is installed in the annular embedding groove 10, and each sawtooth bump 13 is matched with the corresponding sawtooth groove 11;
a layer of heat conducting fins 14 is arranged on the inner wall of the annular embedding groove 10, and the bottoms of the heat conducting fins 14 are connected with the radiating fins 4 positioned in the gaps 8;
a plurality of heat dissipation holes 15 are uniformly formed in the lower brake disc 2.
Example 2
When the utility model is used, the brake pad is pressed against the wear-resistant disc 7, so that the wear-resistant disc 7 drives the brake disc to brake, the wear-resistant disc 7 drives the upper brake disc 1 to brake through the cooperation of the sawtooth bumps 13 of the annular bulges 12 and the sawtooth grooves 11 of the annular embedding grooves 10, the wear-resistant disc 7 generates heat when working and transmits the heat to the annular bulges 12 below, the heat is then conducted by the heat conducting fins 14 attached to the annular protrusions 12 to the locations of the heat radiating fins 4 located in the space 8 between the upper brake disc 1 and the lower brake disc 2, when in braking, the upper brake disc 1 and the lower brake disc 2 rotate and simultaneously drive the heat radiating fins 4 to rotate, the heat radiating fins 4 which are in fan blade shapes and are uniformly distributed along the outer circumference of the connecting column 3 drive the surrounding air to flow when rotating, the air flows through the radiating fins 4 from the outside and is finally discharged from the radiating holes 15 of the lower brake disc 2, and the flowing air absorbs the heat on the radiating fins 4 and takes away the heat for discharge;
when the wear-resistant plate needs to be replaced, the nut 6 is unscrewed from the threaded column 5, then the wear-resistant plate is taken down, a new wear-resistant plate central through hole is sleeved into the threaded column 5, the annular bulge 12 on the lower surface of the wear-resistant plate is correspondingly inserted into the annular embedding groove 10, so that the sawtooth bump 13 is matched with the sawtooth groove 11, then the nut 6 is screwed into the threaded column 5, and the bottom end of the nut 6 is enabled to tightly press the wear-resistant plate 7;
the gap 8 is arranged between the upper brake disc 1 and the lower brake disc 2, so that the brake disc is lighter in weight, smaller in inertia and more beneficial to braking.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. While the utility model has been described with respect to the above embodiments, it will be understood by those skilled in the art that the utility model is not limited to the above embodiments, which are described in the specification and illustrated only to illustrate the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an elevator brake disc's device of nai fraying, its characterized in that includes brake disc, lower brake disc, spliced pole, radiating fin, screw thread post, nut and wear-resisting disc, go up the brake disc and be provided with the space down between the brake disc, go up and be connected through the spliced pole between brake disc and the lower brake disc, radiating fin sets up the space department between last brake disc and the lower brake disc, go up brake disc upper surface central authorities and be provided with the screw thread post, wear-resisting disc central authorities have seted up the through-hole, the wear-resisting disc is established in the outside of the screw thread post of last brake disc upper surface through the through-hole cover of central authorities, the nut is installed on the screw thread post and is compressed tightly bottom wear-resisting disc.
2. The abrasion resistant device for an elevator brake disc according to claim 1, wherein the threaded post and the connecting post have a shaft hole formed therethrough at the center thereof.
3. The abrasion resistant device for an elevator brake disc according to claim 1, wherein the upper surface of the upper brake disc is provided with an annular embedding groove, the outer side and the inner side of the annular embedding groove are circumferentially provided with a circle of sawtooth grooves, the outer side of the lower surface of the wear-resistant disc is provided with a circle of annular protrusions, the outer side wall and the inner side wall of each annular protrusion are circumferentially provided with a circle of sawtooth bumps, the annular protrusions are arranged in the annular embedding groove, and the sawtooth bumps are matched with the sawtooth grooves.
4. The abrasion resistant device for an elevator brake disc according to claim 3, wherein the inner wall of said annular insert groove is provided with a layer of heat conducting fin, and the bottom of said heat conducting fin is connected with the heat radiating fin located at the gap.
5. The abrasion resistant device for an elevator brake disc according to claim 1, wherein the number of the heat dissipating fins is N, N is greater than or equal to 2, the heat dissipating fins are uniformly distributed along the outer circumference of the connecting column in a fan-blade shape, one end of each heat dissipating fin is connected to the upper brake pad, and the other end of each heat dissipating fin is connected to the lower brake pad.
6. The abrasion resistant device for an elevator brake disc according to claim 1, wherein the lower brake disc is provided with a plurality of heat dissipating holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121967879.9U CN215924250U (en) | 2021-08-20 | 2021-08-20 | Wear-resistant device of elevator brake disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121967879.9U CN215924250U (en) | 2021-08-20 | 2021-08-20 | Wear-resistant device of elevator brake disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215924250U true CN215924250U (en) | 2022-03-01 |
Family
ID=80423913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121967879.9U Active CN215924250U (en) | 2021-08-20 | 2021-08-20 | Wear-resistant device of elevator brake disc |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215924250U (en) |
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2021
- 2021-08-20 CN CN202121967879.9U patent/CN215924250U/en active Active
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