Disc brake shell of commercial vehicle and brake thereof

Abstract

The invention relates to a commercial vehicle disc brake shell and a brake thereof, and belongs to the field of automobile brakes. The commercial vehicle disc brake shell comprises a brake cavity and a brake frame which are of an integrated structure, a brake mechanism and a gap adjusting mechanism are installed in the brake cavity, and a brake caliper body is installed at the hollow position of the brake frame; the brake comprises a vehicle disc type brake shell, a brake hub, a friction plate, a brake caliper body, a brake mechanism and a gap adjusting mechanism. The brake hub comprises a brake disc and a connecting disc, the connecting disc is connected with a hub of the wheel, the brake disc and the connecting disc are connected through a connecting cylinder, and an air channel is formed in the circumferential face of the brake disc and faces a slotted hole in the middle of the brake disc. The friction plates are arranged on the two sides of the brake disc respectively, and the brake caliper body is provided with grooves for installing the friction plates. The brake shell structure is integrated, the structural strength is improved, and the light weight of the shell structure is achieved.

Description

Technical Field

[0001] The invention relates to a commercial vehicle disc brake housing and a brake thereof, belonging to the field of automobile brakes. Background Art

[0002] The current commercial vehicle disc brake housing structure is a split structure. At the same time, in order to enhance the structural strength, the size of the corresponding housing and the thickness of each part are increased as much as possible to increase strength redundancy. The split structure has the risk of loosening after being installed and used for a period of time, so it is necessary to check the structure in a timely manner. When the friction plate is worn, the friction loss is compensated in time, and the wear depth of the friction plate needs to be tracked. All of the above require manual regular inspections. For commercial vehicles that are in long-term operation, this inspection affects operations and also poses certain safety hazards. Summary of the invention

[0003] In view of the above problems, the present invention provides a commercial vehicle disc brake housing and a brake thereof, which solve the problems of lightweight strength and wear detection of the commercial vehicle brake housing.

[0004] To solve the above problem, the technical solution adopted by the present invention is: The commercial vehicle disc brake housing of the present invention comprises a brake chamber and a brake frame of an integrated structure, a brake mechanism and a clearance adjustment mechanism are installed in the brake chamber, a brake caliper body is installed at a hollow position of the brake frame, a protruding mounting hole seat is provided on the outer side of the hollow position of the brake frame, a through hole is provided on the mounting hole seat, a positioning groove is provided on the other side of the hollow position of the brake frame, friction plates on both sides of the brake disc are connected by a connecting frame, one end of the connecting frame is connected to the through hole by a pin shaft, and the other end is embedded in the positioning groove; The brake cavity of the brake caliper body is provided with two transmission holes connected to the outside, and the two transmission holes are respectively used for the main adjustment shaft and the slave adjustment shaft of the gap adjustment structure to pass through, and the slave adjustment shaft is connected to the toggle rod outside the brake cavity, and a circle of transmission teeth is provided on the top of the main adjustment shaft, and an angle sensor is connected through the transmission teeth; The brake cavity of the brake caliper body is provided with a brake hole, the lever arm of the brake mechanism is arranged on the extension path of the brake hole, the brake power mechanism is installed on the brake caliper body, and the brake shaft of the power mechanism passes through the brake hole and contacts the groove at the end of the lever arm of the brake mechanism.

[0005] According to the commercial vehicle brake, a mounting surface parallel to the brake disc is provided outside the brake cavity of the brake caliper body, the transmission hole and the brake hole are arranged on the mounting surface, guide holes are provided on both sides of the brake frame close to the brake cavity, a guide shaft is provided in the wire hole and connected to the brake caliper body, and the end of the guide shaft is connected to the brake caliper body through a thread.

[0006] According to the commercial vehicle brake, a protruding rectangular block structure is provided in the brake cavity, the end face of the rectangular block structure is an internal positioning surface, two positioning holes are provided on the internal positioning surface, the two positioning holes match the positioning parts of the brake mechanism, the positioning holes penetrate the rectangular block structure to the mounting surface, and the internal positioning surface is parallel to the mounting surface.

[0007] According to the commercial vehicle brake, the brake chamber is divided into a brake mechanism installation chamber and a lever arm chamber. The brake mechanism installation chamber is close to the transmission hole side, and the lever arm chamber is located on the side of the brake mechanism installation chamber close to the brake hole side. The inner wall of the brake mechanism installation chamber has arc surfaces at both ends, and an open hole is provided near the brake frame side for the brake mechanism to pass through, and a limiting protrusion is provided around the open mouth side.

[0008] According to the commercial vehicle brake, the mounting surface is provided with a flange expanding outward along the plane direction of the mounting surface at the outer edge of the brake hole, the flanges on both sides of the brake hole are provided with brake power fixing holes for installing the brake power mechanism, and reinforcing ribs are provided between the flange ends and the outside of the brake cavity.

[0009] According to the commercial vehicle brake, the two sides of the hollow structure of the brake frame are friction limit planes, wherein the outer friction limit plane protrudes around the hollow structure, the positioning groove is opened on the inner friction limit plane, the middle of the inner friction limit plane is an open hole, and the fixed disk of the brake mechanism is arranged around the circle, so that the friction limit plane is parallel to the installation surface.

[0010] According to the commercial vehicle brake, the brake frame has a reinforced thick wall at the mounting hole seat, and a weight-reducing groove is provided at the lower part and the opposite surface of the mounting hole seat, and a weight-reducing groove is provided at the top corner position in the outer direction of the brake frame.

[0011] The brake of the present invention comprises a vehicle disc brake housing, a brake hub, a friction plate, a brake caliper, a brake mechanism and a clearance adjustment mechanism; its characteristics are: The brake hub comprises a brake disc and a connecting disc, the connecting disc is connected to the wheel hub, the brake disc and the connecting disc are connected via a connecting tube, and an air duct is arranged on the circumference of the brake disc and the middle slot of the brake disc; The friction plates are a pair and are arranged on both sides of the brake disc, and the brake caliper body is provided with grooves for mounting the friction plates; Rectangular friction plate installation grooves are provided on both sides of the brake caliper body, a protruding retaining edge is provided on the outer side of the friction plate installation groove at the outer position, and a plurality of fixing screw holes are provided on both sides of the inner friction plate installation groove, and a screw is installed in one of the fixing screw holes to connect with the brake caliper body; According to the brake, the middle air duct of the brake disc is a spacing structure formed by connecting two discs through connecting columns. The connecting columns are arranged in a circular array and are divided into multiple inner circles and an outer circle. The connecting columns of the inner circle are cylindrical, and the connecting columns of the outer circle are rectangular in cross-section with rounded edges.

[0012] The advantages of the present invention are: The brake housing structure is integrated, the structural strength is improved, and the housing structure is lightweight; It has the function of automatic wear detection, which can detect the excessive wear of friction plate at any time and avoid the unsafe factors of long-distance operation; An alternative brake housing structure is provided, which has stronger product performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The brake housing structure of the present invention Figure 1 , Figure 2 The brake housing structure of the present invention Figure 2 , Figure 3 is a top view of the brake housing structure of the present invention, Figure 4 It is a right side view of the brake housing structure of the present invention, Figure 5 is a cross-sectional view of the brake housing structure of the present invention, Figure 6 1 is a brake structure diagram of the present invention, Figure 7 is a top view of the brake structure of the present invention, Figure 8 is a cross-sectional view of the brake of the present invention, Fig. 9 It is a diagram of the braking mechanism and the clearance adjustment mechanism in the brake of the present invention.

[0014] Figure numerals; 1 brake chamber, 11 transmission hole, 12 brake hole, 13 mounting surface, 14 guide hole, 15 rectangular block structure, 16 internal positioning surface, 17 positioning hole, 18 brake mechanism mounting chamber, 19 lever arm chamber, 111 limiting protrusion, 112 arc surface, 113 flange, 114 brake power fixing hole, 115 reinforcing rib, 2 brake frame 21 mounting hole seat 22 through hole 23 positioning groove, 24 friction limiting plane, 25 weight reduction groove, 26 hollow structure, 3 brake caliper body, 4 connecting frame guide shaft 5 brake hub, 51 brake disc, 52 connecting disc, 53 connecting cylinder, 6 friction plate, 7 brake caliper body, 8 brake mechanism, 9 clearance adjustment mechanism. DETAILED DESCRIPTION

[0015] The specific contents of the present invention are further described below: The commercial vehicle disc brake housing of the present invention comprises a brake chamber 1 and a brake frame 2 of an integrated structure. The brake mechanism and the clearance adjustment mechanism are installed in the brake chamber 1, the brake caliper body 3 is installed at the hollow position of the brake frame 2, a protruding mounting hole seat 21 is provided on the outer side of the hollow position of the brake frame 2, a through hole 22 is provided on the mounting hole seat 21, a positioning groove 23 is provided on the other side of the hollow position of the brake frame 2, the friction plates 4 on both sides of the brake disc 51 are connected by a connecting frame 41, one end of the connecting frame 41 is connected to the through hole 22 by a pin shaft 42, and the other end is embedded in the positioning groove 23; The brake chamber 1 of the brake caliper body 3 is provided with two transmission holes 11 connected to the outside, and the two transmission holes 11 are respectively used for the main adjustment shaft and the slave adjustment shaft of the gap adjustment structure to pass through, and the slave adjustment shaft is connected to the toggle rod outside the brake chamber 1, and a circle of transmission teeth is provided on the top of the main adjustment shaft, and an angle sensor is connected through the transmission teeth; The brake cavity 1 of the brake caliper body 3 is provided with a brake hole 12, the lever arm of the brake mechanism is arranged on the extension path of the brake hole 12, the brake power mechanism is installed on the brake caliper body 3, and the brake shaft of the power mechanism passes through the brake hole 12 and contacts the groove at the end of the lever arm of the brake mechanism.

[0016] A mounting surface 13 parallel to the brake disc 51 is provided outside the brake chamber 1 of the brake caliper body 3, and the transmission hole 11 and the brake hole 12 are arranged on the mounting surface 13. Guide holes 14 are provided on both sides of the brake frame 2 close to the brake chamber 1. A guide shaft is provided in the wire hole and connected to the brake caliper body 3, and the end of the guide shaft is connected to the brake caliper body 3 through a thread.

[0017] A protruding rectangular block structure 15 is provided in the brake chamber 1, and the end face of the rectangular block structure 15 is an internal positioning surface 16. Two positioning holes 17 are provided on the internal positioning surface 16. The two positioning holes 17 match the positioning parts of the brake mechanism. The positioning holes 17 pass through the rectangular block structure 15 to the mounting surface 13, and the internal positioning surface 16 is parallel to the mounting surface 13.

[0018] The brake chamber 1 is divided into a brake mechanism installation chamber 18 and a lever arm chamber 19. The brake mechanism installation chamber 18 is close to the transmission hole 11, and the lever arm chamber 19 is located on the side of the brake mechanism installation chamber 18 close to the brake hole 12. Both ends of the inner wall of the brake mechanism installation chamber 18 are arc surfaces 112, and the side close to the brake frame 2 is an open hole for the brake mechanism to pass through, and a limiting protrusion 111 is provided around the square opening.

[0019] The mounting surface 13 is provided with a flange 113 expanding outward along the plane direction of the mounting surface 13 at the outer edge of the brake hole 12, and the flanges 113 on both sides of the brake hole 12 are provided with brake power fixing holes 114 for installing the brake power mechanism, and reinforcing ribs 115 are provided between the end of the flange 113 and the outside of the brake chamber 1.

[0020] The hollow structure 26 of the brake frame 2 has friction limit planes 24 on both sides, wherein the outer friction limit plane 24 protrudes around the hollow structure 26 , the positioning groove 23 is provided on the inner friction limit plane 24 , the middle of the inner friction limit plane 24 is an open hole, and mounting holes are provided around the circle to mount the fixed disk of the brake mechanism, and the two friction limit planes 24 are parallel to the mounting surface 13 .

[0021] The brake frame 2 has a reinforced thick wall at the mounting hole seat 21 , and a weight-reducing groove 25 is provided below and on the opposite side of the mounting hole seat 21 . A weight-reducing groove 25 is provided at the top corner of the outer side of the brake frame 2 .

[0022] The brake of the present invention comprises a vehicle disc brake housing, a brake hub 5, a friction plate 4, a brake caliper 3, a brake mechanism and a clearance adjustment mechanism; the brake hub 5 comprises a brake disc 51 and a connecting disc 52, the connecting disc 52 is connected to the wheel hub, the brake disc 51 and the connecting disc 52 are connected via a connecting tube 53, and an air duct is arranged on the circumference of the brake disc 51 and a slotted hole in the middle of the brake disc 51; The friction plates 4 are a pair and are disposed on both sides of the brake disc 51. The brake caliper body 3 is provided with a groove for mounting the friction plates 4. The two friction plates 4 are connected by a connecting frame 41. Rectangular friction plate 4 mounting grooves are provided on both sides of the brake caliper body 3, and protruding ribs are provided on the outer sides of the friction plate 4 mounting grooves at the outer positions, and multiple fixing screw holes are provided on both sides of the inner friction plate 4 mounting grooves, and a screw is installed in one of the fixing screw holes and connected to the brake caliper body 3. The middle air duct of the brake disc 51 is a spacing structure formed by connecting two discs through connecting columns, and the connecting columns are arranged in a circular array, divided into multiple inner circles and outer circles, and the connecting columns of the inner circle are cylindrical, and the connecting columns of the outer circle are rectangular in cross section, and the edges are smooth.

[0023] The brake housing structure is integrated, the structural strength is improved, and the housing structure is lightweight; it has an automatic wear detection function, which can detect excessive wear of the friction plate at any time to avoid unsafe factors in long-distance operation; it provides an alternative brake housing structure with strong product performance.

Claims

1. A commercial vehicle disc brake housing, comprising a brake chamber (1) and a brake frame (2) of an integrated structure, characterized in that: A brake mechanism and a clearance adjustment mechanism are installed in the brake chamber (1); a brake caliper body (3) is installed at a hollow position of the brake frame (2); a protruding mounting hole seat (21) is provided on the outer side of the hollow position of the brake frame (2); a through hole (22) is provided on the mounting hole seat (21); a positioning groove (23) is provided on the other side of the hollow position of the brake frame (2); friction plates (4) on both sides of the brake disc (51) are connected via a connecting frame (41); one end of the connecting frame (41) is connected to the through hole (22) via a pin shaft (42), and the other end is embedded in the positioning groove (23); The brake chamber (1) of the brake caliper body (3) is provided with two transmission holes (11) communicating with the outside, the two transmission holes (11) are respectively used for a main adjustment shaft and a slave adjustment shaft of a gap adjustment structure to pass through, the slave adjustment shaft is connected to a toggle rod outside the brake chamber (1), a circle of transmission teeth is provided on the top of the main adjustment shaft, and an angle sensor is connected via the transmission teeth; The brake cavity (1) of the brake caliper body (3) is provided with a brake hole (12), the lever arm of the brake mechanism is arranged on an extension path of the brake hole (12), the brake power mechanism is mounted on the brake caliper body (3), and the brake shaft of the power mechanism passes through the brake hole (12) and contacts a groove at the end of the lever arm of the brake mechanism.

2. The commercial vehicle brake according to claim 1, characterized in that: The brake chamber (1) of the brake caliper body (3) is provided with a mounting surface (13) parallel to the brake disc (51) outside, the transmission hole (11) and the brake hole (12) are arranged on the mounting surface (13), the brake frame (2) is provided with guide holes (14) on both sides close to the brake chamber (1), a guide shaft is provided in the wire hole and connected to the brake caliper body (3), and the end of the guide shaft is connected to the brake caliper body (3) through a thread.

3. The commercial vehicle brake according to claim 2, characterized in that: A protruding rectangular block structure (15) is provided in the brake cavity (1), the end face of the rectangular block structure (15) being an internal positioning surface (16), the internal positioning surface (16) being provided with two positioning holes (17), the two positioning holes (17) matching with the positioning parts of the brake mechanism, the positioning holes (17) penetrating the rectangular block structure (15) to the mounting surface (13), and the internal positioning surface (16) being parallel to the mounting surface (13).

4. The commercial vehicle brake according to claim 2, characterized in that: The brake chamber (1) is divided into a brake mechanism installation chamber (18) and a lever arm chamber (19), wherein the brake mechanism installation chamber (18) is close to the transmission hole (11), and the lever arm chamber (19) is located on the side of the brake mechanism installation chamber (18) close to the brake hole (12). Both ends of the inner wall of the brake mechanism installation chamber (18) are arc surfaces (112), and the side close to the brake frame (2) is an open hole for the brake mechanism to pass through, and a limiting protrusion (111) is provided around the open hole.

5. The commercial vehicle brake according to claim 2, characterized in that: The mounting surface (13) is provided with a flange (113) extending outwardly in the plane direction of the mounting surface (13) at the outer edge of the brake hole (12); the flanges (113) on both sides of the brake hole (12) are provided with brake power fixing holes (114) for installing the brake power mechanism; and reinforcing ribs (115) are provided between the ends of the flanges (113) and the outside of the brake chamber (1).

6. The commercial vehicle brake according to claim 4, characterized in that: The hollow structure (26) of the brake frame (2) has friction limit planes (24) on both sides, wherein the outer friction limit plane (24) protrudes around the hollow structure (26), the positioning groove (23) is provided on the inner friction limit plane (24), the middle of the inner friction limit plane (24) is an open hole, and mounting holes are provided around the circle for mounting a fixed disk of the brake mechanism, and the two friction limit planes (24) are parallel to the mounting surface (13).

7. The commercial vehicle brake according to claim 4, characterized in that: The brake frame (2) is reinforced with a thick wall at the mounting hole seat (21), and a weight-reducing groove (25) is provided at the lower part and the opposite surface of the mounting hole seat (21). A weight-reducing groove (25) is provided at the top corner of the outer side of the brake frame (2).

8. A brake according to claim 1, characterized in that: The invention comprises a vehicle disc brake housing, a brake hub (5), a friction plate (4), a brake caliper (3), a brake mechanism and a clearance adjustment mechanism; the invention is characterized in that: The brake hub (5) comprises a brake disc (51) and a connecting disc (52), the connecting disc (52) being connected to the wheel hub, the brake disc (51) and the connecting disc (52) being connected via a connecting tube (53), and an air duct is provided on the circumference of the brake disc (51) and in the middle of the slotted hole of the brake disc (51); The friction plates (4) are a pair disposed on both sides of the brake disc (51); the brake caliper body (3) is provided with a groove for mounting the friction plates (4); the two friction plates (4) are connected via a connecting frame (41); Rectangular friction plate (4) mounting grooves are provided on both sides of the brake caliper body (3), a protruding retaining edge is provided on the outer side of the friction plate (4) mounting groove at the outer position, and a plurality of fixing screw holes are provided on both sides of the inner friction plate (4) mounting groove, wherein a screw rod is installed in one of the fixing screw holes and connected to the brake caliper body (3).

9. The brake according to claim 7, characterized in that: The middle air duct of the brake disc (51) is a spacing structure formed by connecting two discs through connecting columns. The connecting columns are arranged in a circular array and are divided into multiple inner circles and an outer circle. The connecting columns of the inner circle are cylindrical, and the connecting columns of the outer circle are rectangular in cross section with rounded edges.

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