Caliper disc brake for engineering machinery
By introducing multi-head threads and limit spring structures into the clamp disc brakes, the rotational force is converted into linear thrust, which solves the problems of inconvenience in operation and maintenance difficulties, improves braking torque and safety, and is suitable for a variety of engineering machinery.
Patent Information
- Application Number
- CN202422556906.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-07-11
- Estimated Expiration
- 2034-10-23
AI Technical Summary
The existing caliper disc brakes are inconvenient to operate, difficult to maintain, and inconvenient to adjust the clearance between the brake pad and the brake disc.
A clamp disc brake for engineering machinery is designed, which adopts a multi-threaded structure and limiting spring. The multi-threaded thread is driven to rotate through the pull handle to achieve linear thrust. Combined with self-lubricating pads and O-ring protection, the rotational force is converted into thrust, and the floating structure ensures that the brake pads and brake discs are symmetrical, and are made of national standard ductile iron and steel.
It improves braking torque, enhances safety, simplifies operation and maintenance, reduces failure rate, has a stable and reliable structure, and is suitable for many loader models.
Smart Images
Figure CN223089852U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of disc brakes, in particular to a disc brake for construction machinery. Background Technique
[0002] The existing disc brakes are inconvenient to operate, not easy to repair, and not easy to adjust the gap between the brake pads and the brake disc when in use. Content of the Utility Model
[0003] Aiming at the deficiencies of the prior art, the utility model provides a disc brake for construction machinery to solve the problems raised in the above background technique.
[0004] To achieve the above purpose, the utility model provides the following technical solution: A disc brake for construction machinery, including a fixing plate, a bracket is arranged above the fixing plate, the fixing plate and the bracket are connected by a fixing shaft, a support is arranged behind the bracket, the bracket and the support are connected by a first bolt, a first friction plate is arranged inside the support, a multi-start thread is arranged inside the bracket, a second friction plate is arranged inside the multi-start thread, the first friction plate and the second friction plate cooperate with each other, a baffle is arranged inside the multi-start thread, the multi-start thread moves along the baffle, a pull handle is arranged in front of the multi-start thread, the pull handle is connected to the multi-start thread by a second bolt, and a limiting spring is arranged behind the pull handle.
[0005] As a preferred technical solution of the utility model, the front end of the limiting spring is hung on the pull handle and cooperates with the pull handle, positioning springs are arranged on both the upper and lower sides of the pull handle, and a first washer is arranged at the rear end of the positioning spring.
[0006] As a preferred technical solution of the utility model, a first bolt is arranged on the outer surface of the bracket, a sleeve is arranged on the inner side surface of the bracket, a locking nut is arranged in front of the first washer, the positioning spring is located inside the locking nut, and the front end of the positioning spring is connected to the locking nut.
[0007] As a preferred technical solution of the utility model, a self-lubricating pad is arranged between the multi-start thread and the baffle.
[0008] As a preferred technical solution of the utility model, a limiting bolt is arranged on the inner side surface of the bracket, and a limiting spring is arranged on the limiting bolt.
[0009] As a preferred technical solution of the utility model, an O-ring is arranged between the bracket and the fixing shaft, and a nut is arranged on the O-ring.
[0010] Compared with the prior art, the utility model provides a caliper disc brake for construction machinery, which has the following beneficial effects:
[0011] The advantages of the utility model are as follows: the structure of the utility model is reasonably designed, easy to use, capable of increasing the force multiplication factor, increasing the braking torque, improving the safety factor of the whole vehicle, and having stable and reliable performance, low failure rate, and convenient operation and maintenance. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 is a schematic structural diagram of the utility model;
[0013] Figure 2 is Figure 1 the top view of
[0014] Figure 3 is a three-dimensional view of the utility model.
[0015] In the figure: 1, support; 2, first friction plate; 3, second friction plate; 4, baffle; 5, self-lubricating pad; 6, bracket; 7, multi-start thread; 8, sleeve; 9, limit spring; 10, first bolt; 11, fixed shaft; 12, O-ring; 13, nut; 14, lock nut; 15, first washer; 16, positioning spring; 17, second bolt; 18, limit bolt; 19, pull handle; 20, fixing plate. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0016] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0017] Embodiment
[0018] Please refer to Figures 1-3 , the present utility model provides the following technical solutions: a caliper disc brake for construction machinery, including a fixing plate 20, a bracket 6 is arranged above the fixing plate 20, the fixing plate 20 and the bracket 6 are connected by a fixed shaft 11, a support 1 is arranged behind the bracket 6, the bracket 6 and the support 1 are connected by a first bolt 10, a first friction plate 2 is arranged inside the support 1, a multi-start thread 7 is arranged inside the bracket 6, a second friction plate 3 is arranged inside the multi-start thread 7, the first friction plate 2 and the second friction plate 3 cooperate with each other, a baffle 4 is arranged inside the multi-start thread 7, the multi-start thread 7 moves along the baffle 4, a pull handle 19 is arranged in front of the multi-start thread 7, the pull handle 19 is connected to the multi-start thread 7 by a second bolt 17, and a limit spring 9 is arranged behind the pull handle 19.
[0019] Specifically, the front end of the limit spring 9 is hung on the pull handle 19 and cooperates with the pull handle 19. Positioning springs 16 are arranged on both the upper and lower sides of the pull handle 19, and a first washer 15 is arranged at the rear end of the positioning spring 16.
[0020] Specifically, a first bolt 10 is arranged on the outer surface of the bracket 6, a sleeve 8 is arranged on the inner side surface of the bracket 6, a locking nut 14 is arranged in front of the first washer 15, the positioning spring 16 is located inside the locking nut 14, and the front end of the positioning spring 16 is connected to the locking nut 14.
[0021] Specifically, a self-lubricating pad 5 is arranged between the multi-start thread 7 and the baffle 4.
[0022] In this embodiment, when using this device, the multi-start thread 7 can be lubricated through the self-lubricating pad 5, so that it is convenient for the multi-start thread 7 to move along the support 6, and the use of this device is made more convenient.
[0023] Specifically, a limit bolt 18 is arranged on the inner side surface of the bracket 6, and a limit spring 9 is arranged on the limit bolt 18.
[0024] Specifically, an O-ring 12 is arranged between the bracket 6 and the fixed shaft 11, and a nut 13 is arranged on the O-ring 12.
[0025] In this embodiment, when using this device, the O-ring 12 is used to protect the surface of the fixed shaft 11 from being scratched.
[0026] The working principle and usage process of the present utility model: When using this device, the pull handle 19 drives the multi-start thread 7 to make an angular rotation. The support 6 and the multi-start thread 7 are processed with matching threads. The multi-start thread 7 converts the rotational force into a thrust force in the direction of the second friction plate 3 through rotation, causing the multi-start thread to make a linear movement in the direction of the second friction plate 3, pushing the second friction plate 3 to press against the brake disc, and braking the vehicle. The structure of the present utility model is simple and compact, improving the force multiplication factor, increasing the braking torque, improving the safety factor of the whole vehicle, and having stable and reliable performance, low failure rate, and convenient operation and maintenance. The main features are as follows: 1. Using thread cooperation to convert the rotational force into a direct thrust force, with a short stroke, shortening the stroke and corresponding time of the pull handle; 2. A large force multiplication factor is achieved, and the braking torque reaches 1200 NM; 3. Adopting an overall floating structure to ensure left-right balance, automatically adjusting the left-right symmetry of the brake pads and the brake disc, avoiding uneven wear of the brake pads, and the brake can slide slightly left and right along the fixed shaft; 4. Increasing the area of the brake pads, with a single-piece contact area of 3000 square millimeters, reducing the specific pressure borne by the brake pads; 5. Without changing the main body of the brake, by changing the fixing plate, it can be applicable to different models and meet the installation requirements of multiple loaders; 6. This product is made of national standard ductile iron and steel, and the brake pads are made of non-asbestos materials, which are energy-saving and environmentally friendly.
[0027] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or perform equivalent replacements on some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A disc brake for construction machinery, comprising a fixing plate (20), characterized in that: Above the fixed plate (20), there is a bracket (6). The fixed plate (20) is connected to the bracket (6) through a fixed shaft (11). Behind the bracket (6), there is a support (1). The bracket (6) is connected to the support (1) through a first bolt (10). Inside the support (1), there is a first friction plate (2). Inside the bracket (6), there is a multi-start thread (7). Inside the multi-start thread (7), there is a second friction plate (3). The first friction plate (2) cooperates with the second friction plate (3). Inside the multi-start thread (7), there is a baffle (4). The multi-start thread (7) moves along the baffle (4). In front of the multi-start thread (7), there is a pull handle (19). The pull handle (19) is connected to the multi-start thread (7) through a second bolt (17). Behind the pull handle (19), there is a limit spring (9).
2. The disc brake for construction machinery according to claim 1, wherein: The front end of the limit spring (9) is hung on the pull handle (19) and cooperates with the pull handle (19). On both the upper and lower sides of the pull handle (19), there are positioning springs (16). At the rear end of the positioning spring (16), there is a first washer (15).
3. The disc brake for construction machinery according to claim 2, characterized in that: On the outer surface of the bracket (6), there is a first bolt (10). On the inner side surface of the bracket (6), there is a sleeve (8). In front of the first washer (15), there is a lock nut (14). The positioning spring (16) is located inside the lock nut (14). The front end of the positioning spring (16) is connected to the lock nut (14).
4. The disc brake for construction machinery according to claim 3, wherein: There is a self-lubricating pad (5) between the multi-start thread (7) and the baffle (4).
5. The disc brake for construction machinery according to claim 4, wherein: On the inner side surface of the bracket (6), there is a limit bolt (18). On the limit bolt (18), there is a limit spring (9).
6. The disc brake for construction machinery according to claim 5, characterized in that: There is an O-ring (12) between the bracket (6) and the fixed shaft (11). On the O-ring (12), there is a nut (13).