CN214788707U - Brake disc for tower crane motor - Google Patents
Brake disc for tower crane motor Download PDFInfo
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- CN214788707U CN214788707U CN202121392176.8U CN202121392176U CN214788707U CN 214788707 U CN214788707 U CN 214788707U CN 202121392176 U CN202121392176 U CN 202121392176U CN 214788707 U CN214788707 U CN 214788707U
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- disc
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- brake disc
- braking
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Abstract
The utility model discloses a brake disc for tower crane motor belongs to tower crane and makes the field, including shaft installation department and braking portion, the braking portion is connected with shaft installation department including braking inner disc and braking outer disc, has a plurality of splice bars between braking inner disc and the braking outer disc, forms heat dissipation channel between two adjacent splice bars. The utility model discloses can reduce the temperature of brake disc fast, improve braking effect.
Description
Technical Field
The utility model belongs to tower crane makes the field, particularly, relates to a brake disc for tower crane motor.
Background
With the rapid development of science and technology and engineering machinery manufacturing industry, hoisting equipment is widely applied to the fields of building industry, heavy industry and the like.
The tower crane is called tower crane for short, and has the performance advantages of lifting height and working amplitude, so that the tower crane is widely applied to high-rise building construction. The cantilever of the tower crane turns the lifted material in the air and then puts the material to a destination. On a large building site, a plurality of tower cranes often work simultaneously.
At present, the tower crane needs to utilize a motor brake disc to perform brake in the hoisting process, and the brake of the motor brake disc is completed by attracting the motor brake disc through the electrification of a coil. However, the motor brake disc generates a large amount of heat energy in the braking process, so that the temperature of the brake disc rises rapidly, thermal deformation, thermal cracks and the like can be generated if the ventilation heat dissipation capacity of the brake disc is poor, and meanwhile, the friction coefficient of the brake disc can also generate heat fading due to overhigh temperature, so that the braking performance is attenuated, and the braking distance is lengthened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a brake disc for tower crane motor can reduce the temperature of brake disc fast, improves braking effect.
For realizing the purpose of the utility model, the technical proposal adopted is that: the utility model provides a brake disc for tower crane motor, includes shaft mounting portion and braking portion, and the braking portion is connected with shaft mounting portion including braking inner disc and braking outer dish, has a plurality of splice bars between braking inner disc and the braking outer dish, forms heat dissipation channel between two adjacent splice bars.
Furthermore, the wheel axle mounting part is lower than the braking inner disc, and the outer wall of the wheel axle mounting part and the inner diameter of the braking inner disc are arranged at intervals.
Furthermore, the heat dissipation channel is inclined, and one end of the heat dissipation channel close to the wheel axle mounting part is higher than one end of the heat dissipation channel close to the outer edge of the brake outer disc.
Furthermore, the outer ends of the connecting ribs are flush with the outer edges of the brake inner disc and the brake outer disc, and the length of the lower parts of the connecting ribs is larger than that of the upper parts of the connecting ribs.
Furthermore, the connecting ribs are connected with the brake inner disc and the brake outer disc in an arc shape.
Furthermore, a key groove is formed in the inner wall of the axle mounting part.
Furthermore, one end of the outer wall of the wheel axle mounting part, which is close to the brake inner disc, is conical.
Furthermore, friction plates are arranged on the brake inner disc and the brake outer disc.
Furthermore, the brake inner disc and the brake outer disc are provided with mounting grooves, and the friction plates are mounted in the mounting grooves.
At present, the brake disc on the market adopts integrated configuration basically, and after outer wearing and tearing of brake disc, can only change new brake disc for the safety of driving a vehicle, the in-process complex operation of change to the brake disc that directly changes new has caused very big waste, in order to solve this technical problem, the utility model provides a brake disc, concrete structure is as follows:
the utility model provides a brake disc for tower crane motor, includes shaft installation department and braking portion, and the friction disc is all installed to the both sides of braking portion.
Furthermore, mounting grooves are formed in two sides of the braking portion, and the friction plates are mounted in the mounting grooves.
Furthermore, the depth of the mounting groove is smaller than the thickness of the friction plate.
Furthermore, the outer edge of the friction plate is flush with the outer edge of the braking portion.
Furthermore, the braking part comprises a braking inner disc and a braking outer disc, the braking outer disc is connected with the wheel axle mounting part, a plurality of connecting ribs are arranged between the braking inner disc and the braking outer disc, the braking inner disc, the braking outer disc, the connecting ribs and the wheel axle mounting part are of an integrated structure, and a heat dissipation channel is formed between every two adjacent connecting ribs; the friction plates are respectively arranged on the outer sides of the inner brake disc and the outer brake disc.
Furthermore, the wheel axle mounting part is lower than the brake inner disc, and the outer wall of the wheel axle mounting part and the inner diameter of the brake outer disc are arranged at intervals.
Furthermore, the heat dissipation channel is inclined, and one end of the heat dissipation channel close to the wheel axle mounting part is higher than one end of the heat dissipation channel close to the outer edge of the brake outer disc.
Furthermore, the outer ends of the connecting ribs are flush with the outer edges of the brake inner disc and the brake outer disc, and the length of the lower parts of the connecting ribs is equal to that of the upper parts of the connecting ribs.
Furthermore, the connecting ribs are connected with the brake inner disc and the brake outer disc in an arc shape.
Furthermore, a key groove is formed in the inner wall of the axle mounting part.
Furthermore, one end of the outer wall of the wheel axle mounting part, which is close to the brake inner disc, is conical.
The utility model has the advantages that,
1. the connection between the wheel shaft mounting part and the braking part is realized by connecting the braking outer disc and the wheel shaft mounting part, so that the structure of the braking disc is simpler; simultaneously, through set up a plurality of heat dissipation channels between braking outer disc and braking inner disc, make the brake disc accessible heat dissipation channel dispel the heat in the use, make the brake disc rapid cooling, effectively improve braking effect.
2. Be less than the braking inner disc through making the shaft installation department to make the shaft installation department be less than the braking inner disc internal diameter, for opening the form in the middle of making the braking inner disc, the entrance point that makes heat dissipation channel is open the form, not only make the air can fully enter into heat dissipation channel, and make the air resistance when getting into heat dissipation channel littleer, make the circulation of air more smooth and easy, thereby make the radiating effect of brake disc improve greatly, make the radiating effect of brake disc better in the course of the work, make the braking effect improve greatly.
3. Through setting the radiating channel to the slope form to make radiating channel's entrance point be higher than radiating channel's exit end, make the air when flowing through the brake disc, the route angle that the air flows is greater than 90, effectively prevents that the air from producing the disturbance when passing through the brake disc, makes the flow of air more smooth and easy, improves the radiating effect of brake disc.
4. The friction plates are arranged on the brake inner disc and the brake outer disc, so that the wear resistance of the brake disc is higher, the brake part of the brake disc can be effectively protected in the using process, the friction plates can be directly replaced by the friction plates when the friction plates are seriously damaged, and the loss of the brake part is reduced.
Drawings
Fig. 1 is a cross-sectional view of a brake disc provided by the present invention;
fig. 2 is a front view of the brake disc provided by the present invention.
Reference numbers and corresponding part names in the drawings:
1. the wheel shaft mounting part 2, the braking part 3 and the friction plate;
11. a keyway;
21. the brake device comprises a brake inner disc 22, a brake outer disc 23, connecting ribs 24, a heat dissipation channel 25 and a mounting groove.
Detailed Description
The present invention will be described in further detail below with reference to specific embodiments and with reference to the accompanying drawings.
Example 1
As shown in fig. 1 and 2, the utility model provides a pair of a brake disc for tower crane motor, including shaft installation department 1 and braking portion 2, braking portion 2 is located 1 peripheries of shaft installation department, braking portion 2 is including braking inner disc 21 and braking outer disc 22, and braking inner disc 21, braking outer disc 22, shaft installation department 1 arrange with one heart, and braking inner disc 21 big footpath is equal with braking outer disc 22 big footpath, and braking outer disc 22 is connected with shaft installation department 1, and simultaneously, be equipped with a plurality of splice bars 23 between braking inner disc 21 and the braking outer disc 22, a plurality of splice bars 23 are arranged along the even interval of central circumference of shaft installation department 1, and form heat dissipation channel 24 between two adjacent splice bars 23.
The connection between the wheel shaft mounting part 1 and the braking part 2 is realized by connecting the braking outer disc 22 with the wheel shaft mounting part 1, so that the structure of the brake disc is simpler; meanwhile, a plurality of heat dissipation channels 24 are arranged between the brake outer disc 22 and the brake inner disc 21, so that the brake disc can dissipate heat through the heat dissipation channels 24 in the using process, the brake disc can be rapidly cooled, and the braking effect is effectively improved.
In some embodiments, the wheel axle mounting portion 1 is lower than the brake inner disc 21, and the outer wall of the wheel axle mounting portion 1 and the inner diameter of the brake inner disc 21 are arranged at intervals, so that the brake disc is mounted, a wider space is formed between the outer wall of the axle for mounting the brake disc and the inner edge of the brake inner disc 21, and the inlet end of the heat dissipation channel 24 of the brake disc in the working process is open, so that air can fully enter the heat dissipation channel 24, the resistance of the air entering the heat dissipation channel 24 is smaller, the circulation of the air is smoother, the heat dissipation effect of the brake disc is greatly improved, the heat dissipation effect of the brake disc in the working process is better, and the braking effect is greatly improved.
In some embodiments, the heat dissipation channel 24 is inclined, and one end of the heat dissipation channel 24 close to the wheel axle mounting portion 1 is higher than one end of the heat dissipation channel 24 close to the outer edge of the brake outer disc 22, so that the inlet end of the heat dissipation channel 24 is higher than the outlet end of the heat dissipation channel 24, when air flows through the brake disc, the path angle of the air flow is greater than 90 °, which effectively prevents the air from generating disturbance when the air flows through the brake disc, makes the air flow smoother, and improves the heat dissipation effect of the brake disc.
In some embodiments, the outer ends of the connecting ribs 23 are flush with the outer edges of the inner brake disc 21 and the outer brake disc 22, so that the outer edge of the inner brake disc 21 can be effectively supported by the connecting ribs 23, and the outer edge structure of the inner brake disc 21 is firmer; meanwhile, the length of the lower part of the connecting rib 23 is greater than the length of the upper part of the connecting rib 23, specifically, the upper part of the connecting rib 23 is the joint of the connecting rib 23 and the brake inner disc 21, the lower part of the connecting rib 23 is the joint of the connecting rib 23 and the brake outer disc 22, and the inner end of the upper part of the connecting rib 23 is flush with the inner edge of the brake inner disc 21, so that the inner end of the connecting rib 23 can support the inner edge of the brake inner disc 21 and ensure that external air can fully enter the inlet end of the heat dissipation channel 24, and the heat dissipation effect of the brake disc is improved.
In some embodiments, the connecting rib 23 is connected with the brake inner disc 21 and the brake outer disc 22 in an arc shape, so that the connecting part of the connecting rib 23 with the brake inner disc 21 and the brake outer disc 22 is in an arc shape, air can flow more smoothly through the heat dissipation channel 24, the air can carry away enough heat, and the heat dissipation effect of the brake disc is better.
In some embodiments, the inner wall of the axle mounting part 1 is provided with a key groove 11, so that the brake disc can be directly connected through a key during mounting, and the mounting and dismounting of the brake disc are more convenient.
In some embodiments, the one end that the outer wall of wheel axle installation portion 1 is close to braking inner disc 21 is the toper, makes the clearance between wheel axle installation portion 1 and the braking inner disc 21 reduce gradually from outside to inside, not only guarantees that the air can be abundant enter into the clearance between wheel axle installation portion 1 and the braking inner disc 21, and makes the air gather together gradually along with flowing, finally makes the air fully enter into each heat dissipation channel 24 in, the air mobility that makes enter into in the heat dissipation channel 24 is stronger, improves the radiating effect of brake disc.
In some embodiments, the friction plates 3 are mounted on both the inner brake disc 21 and the outer brake disc 22, so that the brake disc can directly act on the friction plates 3 in the working process, thereby not only increasing the wear resistance of the brake disc, but also preventing the inner brake disc 21 and the outer brake disc 22 from being worn, and enabling the brake disc body to be recycled.
In some embodiments, each of the inner brake disc 21 and the outer brake disc 22 has a mounting groove 25, the friction plate 3 is fixed in the mounting groove 25 by a J-04 glue, and the mounting position of the friction plate 3 can be limited by the mounting groove 25 when the friction plate 3 is mounted, so that the friction plate 3 can be mounted more accurately; meanwhile, the depth of the mounting groove 25 is smaller than the thickness of the friction plate 3, so that after the friction plate 3 is mounted, the surface of the friction plate 3 is higher than the surfaces of the inner brake disc 21 and the outer brake disc 22, the brake disc is effectively prevented from being directly applied to the inner brake disc 21 or the outer brake disc 22 during working, and the brake disc body is effectively protected.
Example 2
Because the brake disc on the present market adopts integrated structure basically, after outer wearing and tearing of brake disc, can only change new brake disc for the safety of driving, the in-process complex operation of change, and the brake disc that directly changes new has led to the fact very big waste, in order to solve this technical problem, as shown in figure 1, figure 2 shows, this embodiment 2 provides a brake disc, including shaft installation portion 1 and braking portion 2, friction disc 3 is all installed to the both sides of braking portion 2, thereby make the brake disc can directly use on friction disc 3 in the course of the work, the wearability of brake disc has not only been increased, and make braking inner disc 21 and braking outer disc 22 self can not receive wearing and tearing, make the brake disc body can retrieve.
In some embodiments, mounting grooves 25 are further formed in both sides of the braking portion 2, the friction plate 3 is mounted in the mounting grooves 25, the friction plate 3 is fixed in the mounting groove 25 by a J-04 glue, and the mounting position of the friction plate 3 can be limited by the mounting grooves 25 when the friction plate 3 is mounted, so that the friction plate 3 can be mounted more accurately.
In some embodiments, the depth of the installation groove 25 is smaller than the thickness of the friction plate 3, so that after the friction plate 3 is installed, the surface of the friction plate 3 is higher than the surfaces of the inner brake disc 21 and the outer brake disc 22, thereby effectively preventing the brake disc from directly acting on the inner brake disc 21 or the outer brake disc 22 during operation, and effectively protecting the brake disc body.
In some embodiments, the outer edge of the friction plate 3 is flush with the outer edge of the braking portion 2, so that the outer edge of the brake disc is more flat.
In some embodiments, the braking portion 2 includes a braking inner disc 21 and a braking outer disc 22, the friction plates 3 are respectively installed outside the braking inner disc 21 and the braking outer disc 22, the braking inner disc 21, the braking outer disc 22 and the axle mounting portion 1 are concentrically arranged, the major diameter of the braking inner disc 21 is equal to the major diameter of the braking outer disc 22, the braking outer disc 22 is connected with the axle mounting portion 1, meanwhile, a plurality of connecting ribs 23 are arranged between the braking inner disc 21 and the braking outer disc 22, the connecting ribs 23 are evenly circumferentially arranged along the center of the axle mounting portion 1 at intervals, and a heat dissipation channel 24 is formed between two adjacent connecting ribs 23.
The connection between the wheel shaft mounting part 1 and the braking part 2 is realized by connecting the braking outer disc 22 with the wheel shaft mounting part 1, so that the structure of the brake disc is simpler; meanwhile, a plurality of heat dissipation channels 24 are arranged between the brake outer disc 22 and the brake inner disc 21, so that the brake disc can dissipate heat through the heat dissipation channels 24 in the using process, the brake disc can be rapidly cooled, and the braking effect is effectively improved.
In some embodiments, the wheel axle mounting portion 1 is lower than the brake inner disc 21, and the outer wall of the wheel axle mounting portion 1 and the inner diameter of the brake inner disc 21 are arranged at intervals, so that the brake disc is mounted, a wider space is formed between the outer wall of the axle for mounting the brake disc and the inner edge of the brake inner disc 21, and the inlet end of the heat dissipation channel 24 of the brake disc in the working process is open, so that air can fully enter the heat dissipation channel 24, the resistance of the air entering the heat dissipation channel 24 is smaller, the circulation of the air is smoother, the heat dissipation effect of the brake disc is greatly improved, the heat dissipation effect of the brake disc in the working process is better, and the braking effect is greatly improved.
In some embodiments, the heat dissipation channel 24 is inclined, and one end of the heat dissipation channel 24 close to the wheel axle mounting portion 1 is higher than one end of the heat dissipation channel 24 close to the outer edge of the brake outer disc 22, so that the inlet end of the heat dissipation channel 24 is higher than the outlet end of the heat dissipation channel 24, when air flows through the brake disc, the path angle of the air flow is greater than 90 °, which effectively prevents the air from generating disturbance when the air flows through the brake disc, makes the air flow smoother, and improves the heat dissipation effect of the brake disc.
In some embodiments, the outer ends of the connecting ribs 23 are flush with the outer edges of the inner brake disc 21 and the outer brake disc 22, so that the outer edge of the inner brake disc 21 can be effectively supported by the connecting ribs 23, and the outer edge structure of the inner brake disc 21 is firmer; meanwhile, the length of the lower part of the connecting rib 23 is greater than the length of the upper part of the connecting rib 23, specifically, the upper part of the connecting rib 23 is the joint of the connecting rib 23 and the brake inner disc 21, the lower part of the connecting rib 23 is the joint of the connecting rib 23 and the brake outer disc 22, and the inner end of the upper part of the connecting rib 23 is flush with the inner edge of the brake inner disc 21, so that the inner end of the connecting rib 23 can support the inner edge of the brake inner disc 21 and ensure that external air can fully enter the inlet end of the heat dissipation channel 24, and the heat dissipation effect of the brake disc is improved.
In some embodiments, the connecting rib 23 is connected with the brake inner disc 21 and the brake outer disc 22 in an arc shape, so that the connecting part of the connecting rib 23 with the brake inner disc 21 and the brake outer disc 22 is in an arc shape, air can flow more smoothly through the heat dissipation channel 24, the air can carry away enough heat, and the heat dissipation effect of the brake disc is better.
In some embodiments, the inner wall of the axle mounting part 1 is provided with a key groove 11, so that the brake disc can be directly connected through a key during mounting, and the mounting and dismounting of the brake disc are more convenient.
In some embodiments, the one end that the outer wall of wheel axle installation portion 1 is close to braking inner disc 21 is the toper, makes the clearance between wheel axle installation portion 1 and the braking inner disc 21 reduce gradually from outside to inside, not only guarantees that the air can be abundant enter into the clearance between wheel axle installation portion 1 and the braking inner disc 21, and makes the air gather together gradually along with flowing, finally makes the air fully enter into each heat dissipation channel 24 in, the air mobility that makes enter into in the heat dissipation channel 24 is stronger, improves the radiating effect of brake disc.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a brake disc for tower crane motor, its characterized in that, includes shaft mounting portion (1) and braking portion (2), and braking portion (2) are connected with shaft mounting portion (1) including braking inner disc (21) and braking outer disc (22), have a plurality of splice bars (23) between braking inner disc (21) and the braking outer disc (22), form heat dissipation channel (24) between two adjacent splice bars (23).
2. The brake disc for the tower crane motor according to claim 1, wherein the wheel axle mounting portion (1) is lower than the brake inner disc (21), and the outer wall of the wheel axle mounting portion (1) and the inner diameter of the brake inner disc (21) are arranged at intervals.
3. The brake disc for the tower crane motor according to claim 1, wherein the heat dissipation channel (24) is inclined, and one end of the heat dissipation channel (24) close to the wheel axle mounting portion (1) is higher than one end of the heat dissipation channel (24) close to the outer edge of the brake outer disc (22).
4. The brake disc for the tower crane motor according to claim 1, wherein the outer end of the connecting rib (23) is flush with the outer edges of the inner brake disc (21) and the outer brake disc (22), and the length of the lower part of the connecting rib (23) is greater than the length of the upper part of the connecting rib (23).
5. The brake disc for the tower crane motor according to claim 1, wherein the connecting rib (23) is connected with the inner brake disc (21) and the outer brake disc (22) in an arc shape.
6. The brake disc for the tower crane motor according to claim 1, wherein the inner wall of the wheel axle mounting part (1) is provided with a key groove (11).
7. The brake disc for the tower crane motor according to claim 1, wherein one end, close to the brake inner disc (21), of the outer wall of the wheel axle mounting portion (1) is conical.
8. The brake disc for the tower crane motor according to claim 1, wherein the inner brake disc (21) and the outer brake disc (22) are both provided with friction plates (3).
9. The brake disc for the tower crane motor according to claim 8, wherein the inner brake disc (21) and the outer brake disc (22) are provided with installation grooves (25), and the friction plates (3) are installed in the installation grooves (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121392176.8U CN214788707U (en) | 2021-06-22 | 2021-06-22 | Brake disc for tower crane motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121392176.8U CN214788707U (en) | 2021-06-22 | 2021-06-22 | Brake disc for tower crane motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214788707U true CN214788707U (en) | 2021-11-19 |
Family
ID=78714177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121392176.8U Active CN214788707U (en) | 2021-06-22 | 2021-06-22 | Brake disc for tower crane motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214788707U (en) |
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2021
- 2021-06-22 CN CN202121392176.8U patent/CN214788707U/en active Active
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