阅读说明：本技术 整体式气压盘式制动器 (Integral air pressure disc brake ) 是由 王语风 陆由南 傅炎木 吴涛 张开年 于 2019-11-14 设计创作，主要内容包括：本发明涉及气压盘式制动器领域,公开了整体式气压盘式制动器,包括钳体和压力臂组件,压力臂组件包括压力臂和滚轴,受力部的下端面开设有用于与滚轴配合的配合槽口,滚轴的圆周侧面的下端与压力臂接触,滚轴圆周侧面的上端配合在配合槽口内,配合槽口的轴线与轴孔的轴线垂直；第一装配腔的侧面开设有工艺孔,配合槽口沿配合槽口延伸方向的投影落入在工艺孔沿配合槽口轴线方向的投影区域内；制动器还包括调整器总成和安装在第一装配腔下端面的支撑座压板,压力臂的下端支撑在调整器总成上,调整器总成通过设置的回位弹簧支撑在支撑座压板上。该制动器具有制动可靠,加工简单,生产效率高的优点。(The invention relates to the field of air disc brakes, and discloses an integral air disc brake, which comprises a caliper body and a pressure arm assembly, wherein the pressure arm assembly comprises a pressure arm and a rolling shaft, the lower end surface of a stress part is provided with a matching notch matched with the rolling shaft, the lower end of the circumferential side surface of the rolling shaft is contacted with the pressure arm, the upper end of the circumferential side surface of the rolling shaft is matched in the matching notch, and the axis of the matching notch is vertical to the axis of a shaft hole; a process hole is formed in the side face of the first assembly cavity, and the projection of the matching notch along the extending direction of the matching notch falls into a projection area of the process hole along the axial direction of the matching notch; the brake also comprises an adjuster assembly and a supporting seat pressing plate arranged on the lower end face of the first assembling cavity, the lower end of the pressure arm is supported on the adjuster assembly, and the adjuster assembly is supported on the supporting seat pressing plate through a return spring. The brake has the advantages of reliable braking, simple processing and high production efficiency.)

1. Integral atmospheric pressure disc brake characterized in that: the clamp comprises an integrally formed clamp body (1), a first assembly cavity (2) is formed in the clamp body (1), a pressure arm (13) assembly is installed in the first assembly cavity (2), a shaft hole (3) and a pressing hole (31) are formed in the upper end face of the first assembly cavity (2), the pressure arm (13) assembly comprises a pressure arm (13) and a rolling shaft (14), a stress part (4) is formed in the first assembly cavity (2), a matching notch (5) matched with the rolling shaft (14) is formed in the lower end face of the stress part (4), the lower end of the circumferential side face of the rolling shaft (14) is in contact with the pressure arm (13), the upper end of the circumferential side face of the rolling shaft (14) is matched in the matching notch (5), and the axis of the matching notch (5) is perpendicular to the axis of the shaft hole (3); a process hole (6) is formed in the side face of the first assembling cavity (2), and the projection of the matching notch (5) along the extending direction of the matching notch (5) falls into the projection area of the process hole (6) along the axial direction of the matching notch (5); the brake also comprises an adjuster assembly (17) and a supporting seat pressing plate (32) arranged on the lower end face of the first assembly cavity (2), the lower end of the pressure arm (13) is supported on the adjuster assembly (17), and the adjuster assembly (17) is supported on the supporting seat pressing plate (32) through a return spring (33).

2. The integrated air disc brake of claim 1, wherein: the number of the process holes (6) is two, the two process holes are respectively arranged on the left side wall of the first assembly cavity (2) and the right side wall of the first assembly cavity (2), and the process holes (6) and the matching notches (5) are arranged coaxially; the number of the matching notches (5) is two, and the matching notches are distributed on the left side and the right side of the shaft hole (3); one end of each matching notch (5) close to the shaft hole (3) is provided with a limiting surface (7) used for limiting the rolling shaft (14), and one end far away from the shaft hole (3) is communicated with the technical hole (6) in a through state.

3. An integral pneumatic disc brake according to claim 1 or 2, wherein: the number of the stress parts (4) is two, the stress parts are distributed on two sides of the axis of the shaft hole (3), and the lower end surface of each stress part (4) is provided with a matching notch (5); an installation groove (8) is formed between the stress part (4) and the left side face and the right side wall of the first assembly cavity (2), and the fabrication holes (6) and the assembly groove (18) are distributed on two sides of the installation groove (8).

4. An integral air disc brake according to claim 1 or 2 or 3, characterized in that: the cross section of the matching notch (5) is arc-shaped.

5. The integrated air disc brake of claim 1, wherein: the clamp body (1) is integrally formed with a support frame (34) at the lower end of a first assembly cavity (2), an assembly opening (35) is arranged in the support frame (34), the assembly opening (35) is communicated with the first assembly cavity (2), column pin holes (30) are arranged on the left side and the right side of the assembly opening (35), and the assembly opening (35) is communicated with the column pin holes (30); install support (36) in assembly opening (35), install in pin hole (30) pin (50) subassembly, the upper end and the pin (50) unit mount of support (36) are fixed, and the back of assembly opening (35) is installed and is clamp plate subassembly (37) that the direction set up from top to bottom, and the upper end and the supporting seat clamp plate (32) of clamp plate subassembly (37) link to each other, and the lower extreme of clamp plate subassembly (37) passes through connecting piece (51) to be fixed clamp plate subassembly (37) on pincers body (1).

6. The integrated air disc brake of claim 5, wherein: the brake pad comprises an upper brake pad (39) and a lower brake pad (40), the upper brake pad (39) and the lower brake pad (40) are installed in the installation port (60) of the support (36) and can slide along the support (36), a brake push plate (41) is arranged between the upper brake pad (39) and the regulator assembly (17), an extension port (52) used for adjusting the seat press plate to extend downwards is arranged on the support seat press plate (32), the brake push plate (41) is abutted to the lower end of the regulator assembly (17), the brake push plate (41) is arranged on the lower side of the support seat press plate (32), the lower end face of the brake push plate (41) is in contact with the upper brake pad (39), and the regulator assembly (17) moves downwards to push the brake press plate and the upper brake pad (39) to move downwards.

7. The integrated air disc brake of claim 6, wherein: the upper brake block (39) and the brake push plate (41) are both provided with a retaining spring (38), the retaining spring (38) is installed on the pressure plate assembly (37) in a matching mode, and the upper brake block (39) drives the retaining spring (38) to move up and down along the pressure plate assembly (37) when sliding up and down.

8. The integrated air disc brake of claim 1, wherein: the pressure arm (13) comprises a pressing part (15) and an acting part (16) connected with the pressing part (15), a supporting groove (43) is arranged on the regulator assembly (17), a bearing assembly (42) is installed in the supporting groove (43), the lower end of the acting part (16) is supported on the bearing assembly (42), an assembling groove (18) for installing a rolling shaft (14) is formed in the upper end of the acting part (16), and the rolling shaft (14) is limited between the assembling groove (18) and the matching notch (5); when the pressing part (15) moves up and down, the acting part (16) can be driven to rotate around the rolling shaft (14), and the lower end of the acting part (16) drives the adjuster assembly (17) to work.

9. The integrated air disc brake of claim 7, wherein: the number of the action parts (16) is two, and the action parts (16) are workpieces with sector ring-shaped sections; a sealing seat (19) is installed in the technical hole (6), the sealing seat (19) comprises an inserting part (20) inserted in the technical hole (6) and a limiting part (21) installed in the installation groove (8), the limiting part (21) limits the outer end of the rolling shaft (14), and the projection of the limiting part (21) along the axial direction of the rolling shaft (14) covers part or all of the projection of the rolling shaft (14) along the axial direction of the rolling shaft (14).

10. The integrated air disc brake of claim 8, wherein: the sealing seat (19) is in a step shape, and the cross section area of the limiting part (21) is larger than that of the inserting part (20).

Technical Field

The invention relates to the field of air disc brakes, in particular to an integral air disc brake.

Background

There are various air disc brakes on the market at present, and if classified according to the pushing mode, the air disc brakes can be classified into single-push-rod air disc brakes and double-push-rod air disc brakes, and the double-push-rod air disc brakes can be classified into axial air disc brakes and radial air disc brakes, and if classified according to the assembling mode of the rotating assembly, the air disc brakes can be classified into upper cover type air disc brakes and non-upper cover type air disc brakes. The non-upper cover type air pressure disc brake is mainly an axial double-push-rod air pressure disc brake, basically, the rotating component is in a small assembly form, and the rotating component is placed in the cavity of the integral caliper body in the assembly form and is sealed by a bottom cover, a sealing cover cap and the like; the upper cover type air pressure disc brake mainly comprises a single push rod air pressure disc brake and a radial double push rod air pressure disc brake.

The technical scheme discloses an integral brake caliper body, wherein a part of the brake caliper body replacing an end cover is of an integrally formed structure, a cavity for mounting an adjuster assembly is formed in the caliper body, a special processing tool needs to be introduced in the processing process of a supporting surface and other parts, the brake caliper body is called an angle head in the industry, the clamping is inconvenient in the processing process of the angle head, the processing process of the angle head is complicated, the production efficiency is low, and the cost is high.

The utility model provides a for divide into two parts with the pincers body, but the lower part of upper cover portion and pincers body forms an organic whole, makes the pincers body upper cover portion need not use more bolt to fix, avoids traditional upper cover portion structural strength to need the defect of more bolted connection greatly.

Disclosure of Invention

The invention provides an integral air disc brake aiming at the defects of complex manufacturing, high assembly difficulty, low assembly efficiency and the like of a caliper body of an air disc brake in the prior art.

In order to solve the technical problem, the invention is solved by the following technical scheme:

the integral air pressure disc brake comprises an integrally formed caliper body, a first assembly cavity is formed in the caliper body, a pressure arm assembly is mounted in the first assembly cavity, a shaft hole and a pressing hole are formed in the upper end face of the first assembly cavity, the pressure arm assembly comprises a pressure arm and a rolling shaft, a stress part is formed in the first assembly cavity, a matching notch used for being matched with the rolling shaft is formed in the lower end face of the stress part, the lower end of the circumferential side face of the rolling shaft is in contact with the pressure arm, the upper end of the circumferential side face of the rolling shaft is matched in the matching notch, and the axis of the matching notch is perpendicular to the axis of the shaft hole; a process hole is formed in the side face of the first assembly cavity, and the projection of the matching notch along the extending direction of the matching notch falls into a projection area of the process hole along the axial direction of the matching notch; the brake also comprises an adjuster assembly and a supporting seat pressing plate arranged on the lower end face of the first assembly cavity, the lower end of the pressure arm is supported on the adjuster assembly, and the adjuster assembly is supported on the supporting seat pressing plate through a return spring. Thereby this air pressure disc brake's pincers body is through the area of contact of design cooperation notch increase and roller bearing, the contact force between the two has been reduced, thereby make the roller bearing can take place to roll in the cooperation inslot, and the fabrication hole of design, make processing cooperation notch simpler, only need fix a position the work piece can realize following the outside cooperation notch of directly processing out the high accuracy at horizontal machining center, the course of working can go on under same clamping condition with other processing position, so practice thrift process time greatly, the installation in the later stage of also being convenient for of the pincers body of this kind of structure of design simultaneously, all installation processes can assemble in proper order on the assembly jig, the assembly process is simpler, assembly efficiency is also higher.

Preferably, the number of the process holes is two, the two process holes are respectively arranged on the left side wall of the first assembly cavity and the right side wall of the first assembly cavity, and the process holes and the matching notches are coaxially arranged; the number of the matching notches is two, and the matching notches are distributed on the left side and the right side of the shaft hole; every cooperation notch is formed with and is used for carrying out spacing face to the roller bearing near the one end in shaft hole, and the one end of keeping away from the shaft hole is for link up state and fabrication hole intercommunication, and two cooperation notches about two fabrication holes convenient processing to the realization cooperates with two roller bearings.

Preferably, the number of the stress parts is two, the stress parts are distributed on two sides of the axis where the shaft hole is located, and the lower end face of each stress part is provided with a matching notch; the left side face and the right side wall of the stress part and the first assembling cavity are provided with installing grooves, and the fabrication holes and the assembling notches are distributed on two sides of the installing grooves.

Preferably, the cross-section of the mating notch is arcuate. The cambered surface can be matched with the rolling shaft, so that the contact area is increased, and the line contact is changed into surface contact; and the projection of the partial side line of the section of the fabrication hole and the side line of the section of the assembly notch along the axial direction of the assembly notch is superposed.

Preferably, the clamp body is integrally formed with a support frame at the lower end of the first assembly cavity, an assembly port is arranged in the support frame and is communicated with the first assembly cavity, column pin holes are arranged on the left side and the right side of the assembly port, and the assembly port is communicated with the column pin holes; the support is installed in the assembly hole, the pin assembly is installed in the pin hole, the upper end of the support is fixed to the pin assembly, the pressing plate assembly arranged in the up-down direction is installed at the back of the assembly hole, the upper end of the pressing plate assembly is connected with the supporting base pressing plate, and the lower end of the pressing plate assembly is fixed to the clamp body through the connecting piece. The support is convenient for the brake block to install, and the support assembly is simple and reliable moreover.

Preferably, the brake shoe further comprises a brake block and a retaining spring for mounting the brake block, a mounting port for assembling the brake block is formed in the support, the brake block comprises an upper brake block and a lower brake block, the upper brake block and the lower brake block are mounted in the mounting port of the support and can slide along the support, a brake push plate is arranged between the upper brake block and the adjuster assembly, an extension port for adjusting the seat press plate to extend downwards is formed in the support press plate, the brake push plate is abutted against the lower end of the adjuster assembly, the brake push plate is arranged on the lower side of the support press plate, the lower end face of the brake push plate is in contact with the upper brake block, and the adjuster assembly moves downwards to push the brake.

Preferably, the upper brake block and the brake push plate are both provided with a retaining spring, the retaining spring is arranged on the pressure plate assembly in a matching way, and the upper brake block drives the retaining spring to move up and down along the pressure plate assembly when sliding up and down.

Preferably, the pressure arm comprises a pressing part and an acting part connected with the pressing part, a supporting groove is formed in the regulator assembly, a bearing assembly is installed in the supporting groove, the lower end of the acting part is supported on the bearing assembly, an assembling groove used for installing a rolling shaft is formed in the upper end of the acting part, and the rolling shaft is limited between the assembling groove and a matching groove opening; when the pressing part moves up and down, the acting part can be driven to rotate around the rolling shaft, and the lower end of the acting part drives the adjuster assembly to work.

Preferably, the number of the action parts is two, and the action parts are workpieces with sector ring-shaped sections; the seal seat is arranged in the technical hole and comprises an inserting part inserted in the technical hole and a limiting part arranged in the mounting groove, the limiting part limits the outer end of the roller, and the projection of the limiting part along the axial direction of the roller covers part or all of the projection of the roller along the axial direction of the roller.

Preferably, the sealing seat is in a step shape, and the cross-sectional area of the limiting part is larger than that of the inserting part.

Due to the adoption of the technical scheme, the invention has the following remarkable technical effects:

according to the invention, through designing the clamp body structure of the air pressure disc brake, the high-precision arc-shaped groove matched with the rolling shaft can be formed in the clamp body by creatively adopting an external processing method, so that the processing cost is greatly saved compared with the traditional integrated forming, and the processing efficiency is also very high. Meanwhile, the area of the contact part of the assembly notch and the roller is increased, so that the contact force is reduced, and the roller can roll more conveniently and simply. Meanwhile, the clamp body is convenient to clamp and position, all processing items can be completed by one-time clamping on one processing center, and the position accuracy between the processing parts of the clamp body is ensured. Meanwhile, the clamp body with the structure is convenient for assembling parts of the air pressure disc brake. And utilize the pressure arm mechanism of this kind of pincers body assembly to have the assembly simple, the less advantage of contact force, because adopt curved cooperation notch to assemble the pivot, greatly reduced the contact force of roller bearing and atress portion, make the roller bearing look after need coating lubricating grease just can take place to roll between cooperation notch and assembly groove, the assembly of this partial structure has been simplified greatly, and both ends all carry on spacingly about the roller bearing, can guarantee that the roller bearing can not break away from the effect portion, make the whole atress of effect portion more balanced.

The air pressure disc brake has the advantages that the components are easy to assemble, enough assembly space is provided for assembly during assembly, the traditional bearing assembly arranged on the pressure arm is not needed, and the cost is lower. Meanwhile, the assembly precision of all parts of the whole clamp body is reliable, and the brake block slides up and down stably. The air disc brake is stable in braking and quick and reliable in return, and meanwhile, the roller of the pressure arm assembly moves in a rolling mode and contacts with the caliper body in a surface contact mode, so that the air disc brake cannot cause large load to the local part of the caliper body, the service life of the air disc brake is prolonged, and the failure rate is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the caliper body.

Fig. 2 is a perspective view of the rear view of the caliper body.

Fig. 3 is a left side view of fig. 1.

Fig. 4 is a schematic perspective view of the cross-sectional view of fig. 3B-B.

Fig. 5 is an initial state diagram in the clamping state of the caliper body.

Fig. 6 is a schematic structural view of the air disc brake.

Fig. 7 is a left side view of fig. 6.

Fig. 8 is a cross-sectional view of fig. 7.

Fig. 9 is a partially enlarged view of fig. 8.

FIG. 10 is a schematic diagram of the construction of the pressure arm assembly.

Fig. 11 is a rear perspective view of the air disc brake.

Fig. 12 is an internal schematic view of the air disc brake.

Fig. 13 is a half sectional view of the air disc brake.

Fig. 14 is a schematic structural view of a support base plate.

Fig. 15 is a schematic structural view of the stent.

Fig. 16 is a schematic view of the structure of the retaining spring.

The names of the parts indicated by the numerical references in the drawings are as follows: 1-clamp body, 2-first assembly cavity, 3-shaft hole, 4-stress part, 5-matching notch, 6-fabrication hole, 7-limiting surface, 8-mounting groove, 9-second cavity, 10-positioning table, 11-positioning shoulder, 12-positioning groove, 13-pressure arm, 14-roller, 15-pressing part, 16-action part, 17-adjuster assembly, 18-assembly groove, 19-sealing seat, 20-insertion part, 21-limiting part, 30-pin hole, 31-pressing hole, 32-supporting seat pressing plate, 33-return spring, 34-supporting frame, 35-assembly opening, 36-bracket, 37-pressing plate component, 38-retaining spring, 39-upper brake block, 40-lower brake block, 41-brake push plate, 42-bearing component, 43-supporting groove, 44-supporting platform, 45-clamping interface, 46-clamping lug, 47-supporting plate, 48-outer press plate, 49-50-pin, 51-connecting piece, 52-extension opening, 60-mounting opening and 61-guide groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.