Split brake disc of cargo truck

Abstract

The utility model provides a split brake disc of a cargo truck, which comprises a friction disc structure and a mounting structure connected with the friction disc structure through a plurality of fasteners, the fasteners are arranged in an annular array, and the friction disc structure, the fasteners and the friction disc structure are detachably connected in pairs. The friction disc structure comprises a first friction disc and a second friction disc which are arranged in parallel, a plurality of connecting blocks fixedly arranged between the first friction disc and the second friction disc, and a closed ring connected to the inner side of the first friction disc and the inner side of the second friction disc in a closed mode, the first friction disc and the second friction disc are coaxially arranged, and the closed ring is connected with the installation structure through a fastener. According to the split brake disc of the cargo truck, the brake disc is convenient to mount and dismount, the manufacturing cost is reduced, light weight is facilitated, and the heat dissipation efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of brake discs, in particular to a split brake disc for a load truck. Background Art

[0002] Brake discs are an important component of heavy-duty trucks, used for deceleration and braking, and are related to driving safety and personnel life. The disc body of traditional brake discs is integrally formed by gray iron 250 casting and then machined, with low production efficiency and bulky structure.

[0003] In addition, most existing brake discs are of an integrated structure. Although they have high structural strength, when the brake disc is in use, the brake disc body will cause severe wear only at the contact point with the caliper. When replacing the brake disc, the entire brake disc needs to be replaced due to the integrated structure, and the replacement cost is high. In addition, the processing technology of the integrated brake disc is difficult, the manufacturing cost is high, and the heat dissipation efficiency is also low.

[0004] Therefore, the present invention proposes a split brake disc for a heavy-duty truck, which is used to solve the technical problem of how to make the brake disc easy to install and disassemble. Utility Model Content

[0005] The purpose of the utility model is to provide a split brake disc for a truck, which solves the technical problem of how to make the brake disc easy to install and disassemble, reduces the manufacturing cost, helps to reduce weight, and improves the heat dissipation efficiency.

[0006] A split brake disc for a heavy-duty truck comprises a friction disc structure and a mounting structure connected to the friction disc structure via a plurality of fasteners, wherein the fasteners are arranged in a ring array, and the friction disc structure, the fasteners and the friction disc structure are detachably connected in pairs.

[0007] The friction disc structure includes a friction disc 1 and a friction disc 2 arranged in parallel with each other, a plurality of connecting blocks fixedly arranged between the friction disc 1 and the friction disc 2, and a closed ring closed and connected to the inner sides of the friction disc 1 and the friction disc 2. The friction disc 1 and the friction disc 2 are arranged coaxially, and the closed ring is connected to the mounting structure through a fastener.

[0008] The inner side of the closed ring is provided with a plurality of snap-in grooves in an annular array, a protruding block is formed between two adjacent snap-in grooves, the inner side surface of the protruding block is provided with a heat dissipation hole, and the heat dissipation hole is connected to the space between the friction disk 1 and the friction disk 2.

[0009] The mounting structure comprises an annular tube, a protruding ring coaxially fixed to the outside of one end of the annular tube, and a plurality of protrusions 2 arranged in an annular array on the outside of the other end of the annular tube, wherein the outer end surface of the protrusion 2 is provided with a mounting groove, and the inner bottom surface of the mounting groove is provided with a threaded hole;

[0010] The fastener is connected to the threaded hole through a bolt.

[0011] The mounting structure further comprises a plurality of protrusions 1 arranged in an annular array on the outside of the annular cylinder, and the protrusions 1 and 2 are connected vertically.

[0012] The fastener comprises a fastening column, fastening holes passing through the upper and lower bottom surfaces of the fastening column, and a baffle fixed at one end of the fastening column.

[0013] The end surface of the other end of the annular cylinder is provided with a plurality of arc-shaped retaining strips in an annular array, and the arc-shaped retaining strips are arranged between two adjacent mounting grooves.

[0014] The outer side of the protruding ring is provided with a plurality of recessed grooves and mounting holes in an annular array.

[0015] The utility model achieves the following significant effects:

[0016] (1) A mounting structure, a fastener, and a friction disc structure are provided, and the three are detachably connected, so that the entire brake disc can be replaced quickly and conveniently;

[0017] (2) A friction disc structure is provided, a protruding block is provided, a heat dissipation hole is provided on the protruding block, and two adjacent protruding blocks are clamping grooves, which not only facilitates the fastening connection with the fastener and the mounting structure, but also because of the existence of the clamping groove, a gap is created between the friction disc structure and the mounting structure, which greatly facilitates the heat dissipation process;

[0018] (3) The protruding ring is provided with a recessed groove and a mounting hole, which not only helps to reduce weight but also facilitates the fastening connection between the mounting structure and the automobile parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the split brake disc in the utility model.

[0020] Figure 2 It is a structural schematic diagram of the friction disc structure in the utility model.

[0021] Figure 3 It is a structural schematic diagram of the installation structure in the utility model.

[0022] Figure 4 It is a schematic diagram of the connection structure between the friction disc structure and the fastener in the utility model.

[0023] Figure 5 It is a structural schematic diagram of the fastener in the utility model.

[0024] Among them, the accompanying drawings are marked as follows: 1. Friction disc one; 2. Connecting block; 3. Friction disc two; 4. Fastener; 41. Fastening hole; 42. Baffle; 5. Clamping groove; 6. Mounting structure; 60. Protruding ring; 61. Recessed groove; 62. Mounting hole; 63. Protrusion one; 64. Protrusion two; 65. Arc-shaped baffle; 66. Mounting groove; 67. Threaded hole; 68. Annular cylinder; 7. Heat dissipation hole; 8. Protruding block. DETAILED DESCRIPTION

[0025] In order to more clearly illustrate the technical features of this solution, this solution is described below through specific implementation methods.

[0026] See also Figure 1-Figure 5 A split brake disc for a heavy-duty truck includes a friction disc structure and a mounting structure 6 connected to the friction disc structure via a plurality of fasteners 4, wherein the fasteners 4 are arranged in a ring array, and the friction disc structure, the fasteners 4 and the friction disc structure are detachably connected in pairs.

[0027] The friction disc structure includes a friction disc 1 and a friction disc 2 3 arranged parallel to each other, a plurality of connecting blocks 2 fixedly arranged between the friction disc 1 and the friction disc 2 3, and a closed ring closed and connected to the inner sides of the friction disc 1 and the friction disc 2 3. The friction disc 1 and the friction disc 2 3 are arranged coaxially, and the closed ring is connected to the mounting structure 6 via a fastener 4.

[0028] The inner side of the closed ring is provided with a plurality of snap-in grooves 5 in an annular array, a protruding block 8 is formed between two adjacent snap-in grooves 5, and a heat dissipation hole 7 is provided on the inner side of the protruding block 8, and the heat dissipation hole 7 is connected to the space between the friction plate 1 and the friction plate 2 3.

[0029] The mounting structure 6 comprises an annular tube 68, a protruding ring 60 coaxially fixed to the outer side of one end of the annular tube 68, and a plurality of protrusions 64 arranged in an annular array on the outer side of the other end of the annular tube 68. The outer end surface of the protrusion 64 is provided with a mounting groove 66, and the inner bottom surface of the mounting groove 66 is provided with a threaded hole 67.

[0030] The fastener 4 is connected to the threaded hole 67 by means of a bolt.

[0031] The mounting structure 6 further includes a plurality of protrusions 63 arranged in an annular array on the outside of the annular tube 68 , and the protrusions 63 and 64 are connected vertically.

[0032] The fastener 4 includes a fastening column, fastening holes 41 passing through the upper and lower bottom surfaces of the fastening column, and a baffle 42 fixed to one end of the fastening column.

[0033] The end surface of the other end of the annular tube 68 is provided with a plurality of arc-shaped retaining strips 65 in an annular array, and the arc-shaped retaining strips 65 are provided between two adjacent mounting grooves 66 .

[0034] The outer side of the protruding ring 60 is provided with a plurality of recessed grooves 61 and mounting holes 62 in an annular array.

[0035] The specific working process of the utility model is as follows:

[0036] A mounting structure 6, a fastener 4 and a friction disc structure are provided, and the three are detachably connected, so that the replacement of the brake disc as a whole is convenient and quick; a fastening hole 41 is provided on the fastener 4, and a bolt passes through the fastening hole 41 and is connected to the threaded hole 67, and a baffle 42 axially limits the friction disc 1 and the friction disc 2 3;

[0037] A friction disc structure is provided, a protruding block 8 is provided, a heat dissipation hole 7 is provided on the protruding block 8, and two adjacent protruding blocks 8 are clamping grooves 5, which are not only convenient for fastening connection with the fastener 4 and the mounting structure 6, but also because of the existence of the clamping grooves 5, a gap is provided between the friction disc structure and the mounting structure 6, which greatly facilitates the heat dissipation process;

[0038] An arc-shaped retaining strip 65 is provided at one end of the annular tube 68, and the outer side of the arc-shaped retaining strip 65 contacts the inner side of the protruding block 8 to achieve radial positioning of the protruding block 8;

[0039] The protruding ring 60 is provided with a recessed groove 61 and a mounting hole 62 , which not only helps to reduce weight, but also facilitates the fastening connection between the mounting structure 6 and the automobile parts.

[0040] Technical features not described in the present invention can be achieved through or by adopting existing technologies, and will not be elaborated here. Of course, the above description is not a limitation of the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions or substitutions made by ordinary technicians in this technical field within the essential scope of the present invention should also fall within the scope of protection of the present invention.

Claims

1. A split brake disc for a heavy truck, characterized in that: It comprises a friction disc structure and a mounting structure (6) connected to the friction disc structure via a plurality of fasteners (4), wherein the fasteners (4) are arranged in a ring array, and the friction disc structure, the fasteners (4) and the friction disc structure are detachably connected in pairs.

2. The split brake disc for a heavy truck according to claim 1, characterized in that: The friction disc structure comprises a friction disc 1 (1) and a friction disc 2 (3) arranged in parallel with each other, a plurality of connecting blocks (2) fixedly arranged between the friction disc 1 (1) and the friction disc 2 (3), and a closed ring closedly connected to the inner sides of the friction disc 1 (1) and the friction disc 2 (3); the friction disc 1 (1) and the friction disc 2 (3) are arranged coaxially, and the closed ring is connected to the mounting structure (6) via a fastener (4).

3. The split brake disc for a heavy truck according to claim 2, characterized in that: The inner side of the closed ring is provided with a plurality of snap-fit ​​grooves (5) in an annular array, a protruding block (8) is formed between two adjacent snap-fit ​​grooves (5), and a heat dissipation hole (7) is provided on the inner side surface of the protruding block (8), and the heat dissipation hole (7) is connected to the space between the friction disk 1 (1) and the friction disk 2 (3).

4. The split brake disc for a heavy truck according to claim 1, characterized in that: The mounting structure (6) comprises an annular tube (68), a protruding ring (60) coaxially fixed to the outside of one end of the annular tube (68), and a plurality of protrusions (64) arranged in an annular array on the outside of the other end of the annular tube (68), wherein the outer end surface of the protrusion (64) is provided with a mounting groove (66), and the inner bottom surface of the mounting groove (66) is provided with a threaded hole (67); The fastener (4) is connected to the threaded hole (67) via a bolt.

5. The split brake disc for a heavy truck according to claim 4, characterized in that: The mounting structure (6) further comprises a plurality of protrusions (63) arranged in an annular array on the outside of the annular cylinder (68), and the protrusions (63) and (64) are connected vertically.

6. The split brake disc for a heavy truck according to claim 1, characterized in that: The fastener (4) comprises a fastening column, fastening holes (41) passing through the upper and lower bottom surfaces of the fastening column, and a baffle (42) fixed at one end of the fastening column.

7. The split brake disc for a heavy truck according to claim 4, characterized in that: The end surface of the other end of the annular cylinder (68) is provided with a plurality of arc-shaped retaining strips (65) in an annular array, and the arc-shaped retaining strips (65) are arranged between two adjacent mounting grooves (66).

8. The split brake disc for a heavy truck according to claim 4, characterized in that: The outer side of the protruding ring (60) is provided with a plurality of recessed grooves (61) and mounting holes (62) in an annular array.

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