Brake shoe assembly shearing tool
By designing a brake shoe assembly shearing fixture that includes a base, positioning bracket, lower pressure plate, and pressure head guide post, the problem of shearing data deviation caused by the large curvature of the shoe assembly was solved, and the stability and data accuracy of the shearing process were achieved.
Patent Information
- Application Number
- CN202423162873.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2034-12-20
AI Technical Summary
During the shearing process of the existing brake shoe assembly, due to the large curvature of the shoe assembly, the pressure head of the conventional tooling is prone to deflection, resulting in uneven contact and shearing data deviating from the true value.
A shearing fixture including a base, positioning bracket, lower pressure plate, bolts, and pressure head guide post is designed. The lateral position of the shoe assembly is fixed by M8 screws and M10 nuts, M16 bolts and lower pressure plate prevent deflection, pressure head guide post maintains vertical loading stability, and the contact part between the pressure head and the shoe assembly is a right-angle groove to adapt to shoe assemblies of different sizes.
It improves the stability and data accuracy of the shearing process, ensures that the shearing force is applied vertically, and adapts to the fixing requirements of shoe assemblies of different sizes.
Smart Images
Figure CN223827476U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to brake shoe machining equipment technical field, especially related to a brake shoe assembly shearing frock. BACKGROUND
[0002] At present, in the process of testing the shearing strength of brake shoe assembly, because the brake shoe assembly has large curvature, the pressure head is easy to deflect in the shearing process of conventional frock, which leads to uneven contact and makes the shearing data deviate from the true value. In order to optimize the stability in the shearing process of brake shoe assembly and improve the accuracy of data, a new brake shoe assembly shearing frock with high stability, convenient disassembly and good data accuracy is designed. UTILITY MODEL CONTENTS
[0003] The utility model provides a brake shoe assembly shearing frock, can solve the problem of prior art.
[0004] To solve the above problems, the technical scheme provided by the utility model is as follows:
[0005] The utility model embodiment provides a brake shoe assembly shearing frock, including base (1), M8 screw (2), positioning support (3), lower pressing plate (4), M16 nut (5), M10 nut (6), M10 positioning screw bolt (7), M16 bolt (8), pressure head guide column (9), auxiliary bolt (10) and pressure head (12);
[0006] 2 Positioning support (3) are fixed on the right side both ends of base (1) through M8 screw (2), M10 positioning screw bolt (7) is connected in the top of positioning support (3) through M10 nut (6), and positioning support (3) is used for the lateral fixation of shoe assembly (11), and shoe assembly (11) is stabilized during testing, and the M10 nut (6) can be adjusted to adapt to shoe assembly (11) of different sizes;
[0007] 2 M16 bolt (8) and 2 auxiliary bolt (10) are all fixed on the central position of base (1) through M16 nut (5), 1 M16 bolt (8) and its corresponding 1 auxiliary bolt (10) are connected with lower pressing plate (4), and lower pressing plate (4) is used for the vertical fixation of shoe assembly (11), prevents shoe assembly (11) from deflecting during testing, and the fastening height is adjusted in cooperation with M16 bolt (8), and shoe assembly (11) sample of different sizes is adapted;
[0008] 2 pressure head guide columns (9) are fixed on the left two ends of the base (1); the pressure head (12) is sleeved on the two pressure head guide columns (9), and the two pressure head guide columns (9) are used for guiding the pressure head (12) to press downward in the vertical direction, so that the vertical loading stability of the pressure head (12) is maintained; the pressure head (12) is used for loading shear force on the shoe assembly (11), and the contact part of the pressure head (12) and the shoe assembly (11) is a right-angle groove, so that the stability in the vertical direction and the lateral direction during the loading process is maintained.
[0009] In an optional embodiment of the utility model, the base (1) is an iron plate with a preset thickness.
[0010] Beneficial effects: the utility model discloses a brake shoe assembly shearing tool which comprises a base, an M8 screw, a positioning support, a lower pressing plate, an M16 nut, an M10 nut, an M10 positioning screw bolt, an M16 bolt, a pressure head guide column, an auxiliary bolt and a pressure head. BRIEF DESCRIPTION OF DRAWINGS
[0011] In order to more clearly illustrate the technical solutions in the embodiments or the prior art, the following will briefly introduce the drawings required to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only show some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.
[0012] Figure 1 The utility model provides a brake shoe assembly shearing tool's structural schematic diagram.
[0013] Figure 2 The utility model provides a brake shoe assembly shearing tool's exploded view schematic diagram. DETAILED DESCRIPTION
[0014] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.
[0015] As shown in Figure 1 and Figure 2 The brake shoe assembly shearing tool provided by the embodiments of the present application comprises a base 1, M8 screws 2, positioning supports 3, a pressing plate 4, M16 nuts 5, M10 nuts 6, M10 positioning bolts 7, M16 bolts 8, pressing head guide columns 9, auxiliary bolts 10 and a pressing head 12.
[0016] The two positioning supports 3 are fixed on the two ends of the right side of the base 1 through the M8 screws 2, and the M10 positioning bolts 7 are connected to the top of the positioning supports 3 through the M10 nuts 6. The positioning supports 3 are used for lateral fixation of the shoe assembly 11, and the shoe assembly 11 is stabilized during the test. Meanwhile, the M10 nuts 6 can be adjusted to adapt to shoe assemblies 11 of different sizes.
[0017] The two M16 bolts 8 and the two auxiliary bolts 10 are fixed on the central position of the base 1 through the M16 nuts 5. The pressing plate 4 is connected to one M16 bolt 8 and the corresponding one auxiliary bolt 10. The pressing plate 4 is used for vertical fixation of the shoe assembly 11, and the shoe assembly 11 is prevented from deflecting during the test. Meanwhile, the fastening height is adjusted in cooperation with the M16 bolts 8 to adapt to shoe assembly 11 samples of different sizes.
[0018] The two pressing head guide columns 9 are fixed on the two ends of the left side of the base 1. The pressing head 12 is sleeved on the two pressing head guide columns 9. The two pressing head guide columns 9 are used for guiding the pressing head 12 to press downward along the vertical direction, so as to maintain the vertical loading stability of the pressing head 12. The pressing head 12 is used for loading shear force on the shoe assembly 11. The contact part between the pressing head 12 and the shoe assembly 11 is a right-angle groove, which is convenient for maintaining the stability in the vertical direction and the lateral direction during the loading process, so that the data is more accurate.
[0019] The base 1 is an iron plate with a preset thickness, which can stably support all functional components, and plays a role of basic limiting and fixation. When the shear strength test is performed on drum-type shoe assemblies of different models, the shear pressing head and the pressing head guide column need to be replaced, and the direction of the positioning bolt, the limiting bolt and the pressing plate needs to be adjusted.
[0020] To sum up, although the present utility model has been disclosed as above with preferred embodiments, the above preferred embodiments are not used to limit the present utility model. Those skilled in the art can make various changes and decorations without departing from the spirit and scope of the present utility model. Therefore, the protection scope of the present utility model is subject to the range defined by the claims.
Claims
1. A brake shoe assembly shearing tool characterized by, It includes base (1), M8 screw (2), positioning bracket (3), lower pressing plate (4), M16 nut (5), M10 nut (6), M10 positioning screw bolt (7), M16 bolt (8), pressure head guide column (9), auxiliary bolt (10) and pressure head (12); 2 positioning brackets (3) are fixed on the right two ends of the base (1) by M8 screws (2), and the M10 positioning screw bolts (7) are connected to the top of the positioning brackets (3) by M10 nuts (6), the positioning brackets (3) are used for lateral fixation of the shoe assembly (11), and the shoe assembly (11) is stabilized during the test, and meanwhile, adjusting the M10 nuts (6) can adapt to shoe assemblies (11) of different sizes; 2 M16 bolts (8) and 2 auxiliary bolts (10) are fixed on the central position of the base (1) by M16 nuts (5), one M16 bolt (8) and its corresponding one auxiliary bolt (10) are connected with the lower pressing plate (4), and the lower pressing plate (4) is used for vertical fixation of the shoe assembly (11), so as to prevent the shoe assembly (11) from deflecting during the test, and meanwhile, the M16 bolt (8) is adjusted to adapt to shoe assembly (11) samples of different sizes; 2 pressure head guide columns (9) are fixed on the left two ends of the base (1); the pressure head (12) is sleeved on the two pressure head guide columns (9), the two pressure head guide columns (9) are used for guiding the pressure head (12) to press downward along the vertical direction, and the vertical loading stability of the pressure head (12) is maintained; the pressure head (12) is used for loading shear force on the shoe assembly (11), and the contact part of the pressure head (12) and the shoe assembly (11) is a right-angle groove, so that the stability of the vertical direction and the lateral direction during the loading process is maintained.
2. A brake shoe assembly shearing tool as defined in claim 1, wherein, The base (1) is an iron plate with a preset thickness.