阅读说明：本技术 一种可快速散热的鼓刹 (Drum brake capable of dissipating heat quickly ) 是由 杜孟子 章志华 于 2021-10-08 设计创作，主要内容包括：本发明公开了一种可快速散热的鼓刹,包括鼓刹部件,鼓刹部件包括制动器底板和制动鼓,制动器底板内侧设置有呈上下分布的制动缸和连接轴座,制动缸和连接轴座之间设置有呈对称分布的制动蹄部件,制动蹄部件包括半圆型结构的安装件,两个安装件之间设置有呈对称分布的复位弹簧,安装件外侧还呈圆周阵列设置有刹车组件,刹车组件包括弧形结构的安装板和弧形结构的刹车片,安装板与安装件之间还设置有补偿组件,安装件内还设置有降温结构。该可快速散热的鼓刹,通过刹车片带动安装板沿逆时针圆周阵列方向活动,并对刹车片变薄情况下的制动效果进行补偿,同时使冷却液泵输出的冷却液输送至安装板和刹车片上对二者进行降温。(The invention discloses a drum brake capable of quickly dissipating heat, which comprises a drum brake component, wherein the drum brake component comprises a brake bottom plate and a brake drum, a brake cylinder and a connecting shaft seat which are distributed up and down are arranged on the inner side of the brake bottom plate, brake shoe components which are distributed symmetrically are arranged between the brake cylinder and the connecting shaft seat, each brake shoe component comprises a mounting piece of a semicircular structure, return springs which are distributed symmetrically are arranged between the two mounting pieces, brake components are arranged on the outer sides of the mounting pieces in a circumferential array mode, each brake component comprises a mounting plate of an arc structure and a brake pad of the arc structure, a compensation component is arranged between the mounting plate and the mounting piece, and a cooling structure is arranged in the mounting piece. This can quick radiating drum is stopped, drives the mounting panel through the brake block and moves along anticlockwise circumference array direction to compensate the braking effect under the brake block attenuation condition, make the coolant liquid of coolant pump output carry to the mounting panel and the brake block on to the two cool down simultaneously.)

1. The utility model provides a drum that can dispel the heat fast is stopped which characterized in that: including drum part (1) of stopping, drum part (1) of stopping includes brake bottom plate (11) and brake drum (12), brake bottom plate (11) inboard is provided with brake cylinder (13) and connection axle bed (14) that distribute about being, brake cylinder (13) with be provided with between connection axle bed (14) and be the brake shoe part (2) of symmetric distribution, brake shoe part (2) are including installed part (21) of semicircle type structure, two be provided with reset spring (23) that are the symmetric distribution between installed part (21), the installed part (21) outside still is the circumference array and is provided with brake assembly (3), brake assembly (3) are including mounting panel (31) of arc structure and brake block (32) of arc structure, mounting panel (31) with still be provided with compensation assembly (4) between installed part (21), the compensating assembly (4) is assembled and is used for making the brake block (32) move along a circumferential array line when the brake block (32) contacts the brake drum (12), and making the brake block (32) move towards the brake drum (12), a cooling structure (5) is further arranged in the mounting part (21), the cooling structure (5) comprises a cooling liquid pump (51), a cooling spray head (53) and a sealing part (54) which are symmetrically distributed, and the cooling structure (5) is assembled and used for making the cooling spray head (53) and the sealing part (54) keep a passage when the brake block (32) moves along the circumferential array line.

2. The drum brake capable of dissipating heat rapidly according to claim 1, wherein: the brake cylinder (13) both ends all are provided with the output axostylus axostyle, connect axle bed (14) inside and be the connecting axle pole of symmetric distribution, both ends cup joint respectively about installed part (21) on the brake cylinder (13) output axostylus axostyle with connect axle bed (14) connecting axle pole, reset spring (23) both ends are connected respectively in two on the adjacent one side of installed part (21) is spring hook ear (22) that the symmetric distribution set up.

3. The drum brake capable of dissipating heat rapidly according to claim 1, wherein: compensating unit (4) are including buffer block (41), erection column (42) and installation pole (43), two movable slot (24) that are circumference array distribution are all seted up to the relative one side of installed part (21), be provided with slot baffle (25) in activity slot (24), slot baffle (25) will activity slot (24) are separated for preceding groove and back groove, buffer block (41) activity set up in activity slot (24) back inslot, erection column (42) set up in buffer block (41) are adjacent in one side of mounting panel (31), installation pole (43) one end set up in mounting panel (31) be adjacent in one side of erection column (42), installation pole (43) other end extends to in the inside mounting groove of seting up of erection column (42).

4. The drum brake capable of dissipating heat rapidly according to claim 3, wherein: compensating unit (4) still includes installation limiting plate (44) and installation spring (45), installation limiting plate (44) set up in installation pole (43) are located on the port in erection column (42) mounting groove, installation spring (45) set up in installation limiting plate (44) with between erection column (42) mounting groove inner wall, and cup joint in on installation pole (43).

5. The drum brake capable of dissipating heat rapidly according to claim 3, wherein: the compensation assembly (4) further comprises a buffer spring (46), and the buffer spring (46) is arranged between one side, far away from the groove partition plate (25), of the buffer block (41) and the inner wall of the movable groove (24).

6. The drum brake capable of dissipating heat rapidly according to claim 1, wherein: compensating unit (4) still include connecting plate (47), connection limiting plate (48) and coupling spring (49) of arc structure, connecting plate (47) are anticlockwise circumference array set up in a plurality of be adjacent to one side on the anticlockwise circumference array direction between mounting panel (31), and extend to next in the inside slot of seting up of mounting panel (31), connect limiting plate (48) set up in connecting plate (47) are located on the port in mounting panel (31) slot, coupling spring (49) set up in connect limiting plate (48) with between mounting panel (31) the slot inner wall.

7. The drum brake capable of dissipating heat rapidly according to claim 1, wherein: cooling structure (5) still include coolant liquid pipeline (52), coolant liquid pump (51) install in on brake bottom plate (11), and be located brake cylinder (13) with connect between axle bed (14), coolant liquid pipeline (52) set up in installed part (21), and the input connects in the output of coolant liquid pump (51), cooling shower nozzle (53) are circumference array and set up on the inner wall of groove before activity slot (24), and connect in the output of coolant liquid pipeline (52), sealing member (54) set up in the inside water cavity of seting up of cooling shower nozzle (53), and inside has seted up and has made cooling shower nozzle (53) water cavity keeps the through-hole of route.

8. The drum brake capable of dissipating heat rapidly according to claim 7, wherein: cooling structure (5) still include sealed section of thick bamboo (55) and sealing rod (56), sealed section of thick bamboo (55) set up in cooling shower nozzle (53) are adjacent to activity slot (24) one side, sealing rod (56) one end set up in on sealing member (54), sealing rod (56) other end runs through and extends to sealed section of thick bamboo (55) intracavity.

9. The drum brake capable of dissipating heat rapidly according to claim 8, wherein: cooling structure (5) still include sealed limiting plate (57), sealing spring (58) and trigger bar (59), sealed limiting plate (57) install in sealing bar (56) are located on the port of sealed section of thick bamboo (55) inner chamber, sealing spring (58) set up in sealed limiting plate (57) with between the inner wall of sealed section of thick bamboo (55) inner chamber, and cup joint in on sealing bar (56), trigger bar (59) one end set up in sealed limiting plate (57) are kept away from in sealing bar (56) one side, the trigger bar (59) other end runs through sealed section of thick bamboo (55) and extend to groove baffle (25) front groove.

10. The drum brake capable of dissipating heat rapidly according to claim 1, wherein: and a discharge pipeline (15) positioned at the bottom of the connecting shaft seat (14) is also arranged on the brake bottom plate (11).

Technical Field

The invention relates to the technical field of drum brakes, in particular to a drum brake capable of quickly dissipating heat.

Background

Drum brake is to use oil pressure to push brake shoes to contact the inner edge of a brake drum, and to restrain the rotation of tires by the friction force generated by the contact to achieve the purpose of braking.

But drum is stopped and is found in the in-service use, and its inside brake block can appear the not enough problem of laminating degree after long-term wearing and tearing, and the unable effectual giveaway of heat that produces simultaneously in the braking process leads to the brake block to appear the condition of thermal failure easily, influences braking effect.

Disclosure of Invention

The invention aims to provide a drum brake capable of dissipating heat quickly, which is used for solving the problems that the brake pad is not enough in fitting degree after being worn for a long time and heat generated in the braking process cannot be dissipated effectively.

In order to achieve the purpose, the invention provides the following technical scheme: the drum brake component comprises a brake bottom plate and a brake drum, wherein a brake cylinder and a connecting shaft seat which are distributed up and down are arranged on the inner side of the brake bottom plate, brake shoe components which are distributed symmetrically are arranged between the brake cylinder and the connecting shaft seat, the brake shoe components comprise mounting pieces of semicircular structures, reset springs which are distributed symmetrically are arranged between the two mounting pieces, a brake assembly is arranged on the outer side of the mounting piece in a circumferential array mode and comprises a mounting plate of an arc-shaped structure and brake pads of the arc-shaped structure, a compensation assembly is arranged between the mounting plate and the mounting piece, and is assembled to enable the brake pads to move along the circumferential array line when the brake pads are in contact with the brake drum and enable the brake pads to move towards the brake drum, still be provided with the cooling structure in the installed part, the cooling structure is including the coolant pump, cooling shower nozzle and the sealing member that are the symmetric distribution, the cooling structure is assembled and is used for when the brake block moves along circumference array line, makes the cooling shower nozzle with keep the route between the sealing member.

Preferably, output shaft levers are arranged at two ends of the brake cylinder, symmetrically distributed connecting shaft levers are arranged in the connecting shaft seat, the upper end and the lower end of the mounting piece are respectively sleeved on the brake cylinder output shaft levers and the connecting shaft seat connecting shaft levers, and two ends of the reset spring are respectively connected to two spring hook lugs symmetrically distributed on one side adjacent to the mounting piece.

Preferably, the compensation assembly comprises a buffer block, an installation column and an installation rod, wherein a movable groove which is distributed in a circumferential array manner is formed in one side, opposite to the installation piece, of the installation piece, a groove partition plate is arranged in the movable groove, the groove partition plate divides the movable groove into a front groove and a rear groove, the buffer block is movably arranged in the rear groove of the movable groove, the installation column is arranged on one side, adjacent to the installation plate, of the buffer block, one end of the installation rod is arranged on one side, adjacent to the installation plate, of the installation column, and the other end of the installation rod extends to the inside installation groove of the installation column.

Preferably, the compensation assembly further comprises an installation limiting plate and an installation spring, the installation limiting plate is arranged on the port of the installation rod in the installation column installation groove, and the installation spring is arranged between the installation limiting plate and the inner wall of the installation column installation groove and is sleeved on the installation rod.

Preferably, the compensation assembly further comprises a buffer spring, and the buffer spring is arranged between one side of the buffer block, which is far away from the groove partition plate, and the inner wall of the movable groove.

Preferably, the compensating assembly still includes the connecting plate of arc structure, connects limiting plate and coupling spring, the connecting plate is anticlockwise circumference array set up in a plurality of adjacent one side on the anticlockwise circumference array direction between the mounting panel, and extend to next in the inside slot of seting up of mounting panel, connect the limiting plate set up in the connecting plate is located on the port in the mounting panel slot, coupling spring set up in connect the limiting plate with between the mounting panel slot inner wall.

Preferably, the cooling structure still includes the coolant liquid pipeline, the coolant liquid pump install in on the stopper bottom plate, and be located the brake cylinder with between the connection axle bed, the coolant liquid pipeline sets up in the installed part, and the input is connected in the output of coolant liquid pump, the cooling shower nozzle is the circumference array and sets up on the inner wall of movable slot front groove, and connect in the output of coolant liquid pipeline, the sealing member set up in the inside water cavity of seting up of cooling shower nozzle, and inside has seted up and has made the through-hole that the cooling shower nozzle water cavity keeps the route.

Preferably, the cooling structure still includes a sealed section of thick bamboo and sealing rod, a sealed section of thick bamboo set up in the cooling shower nozzle is adjacent to activity slot one side, sealing rod one end set up in on the sealing member, the sealing rod other end runs through and extends to in the sealed section of thick bamboo inner chamber.

Preferably, the cooling structure still includes sealed limiting plate, sealing spring and trigger lever, sealed limiting plate install in the sealing lever is located on the port of sealed section of thick bamboo inner chamber, sealing spring set up in sealed limiting plate with between the inner wall of sealed section of thick bamboo inner chamber, and cup joint in on the sealing lever, trigger lever one end set up in sealed limiting plate keep away from in sealing lever one side, the trigger lever other end runs through sealed section of thick bamboo and extend to the inslot before the slot baffle.

Preferably, the brake bottom plate is further provided with a discharge pipeline positioned at the bottom of the connecting shaft seat.

In the technical scheme, the invention has the beneficial effects that:

1. this can quick radiating drum is stopped, through making the brake block when and the brake drum between the friction, drive the activity of anticlockwise circumference array direction of mounting panel edge, make the buffer block apply the effort to buffer spring and make its deformation shrink simultaneously, and make the connection limiting plate apply the effort to the connecting spring in the next mounting panel slot and make its deformation shrink, so that when the brake block is influenced by the frictional force of brake drum and the attenuation, make the brake block extend partly to the outside under the frictional force of brake drum, and apply the effort to mounting spring through the installation limiting plate and make its deformation shrink, so that the direction activity of brake block to the brake drum, and compensate to the braking effect under the brake block attenuation condition.

2. This can quick radiating drum is stopped, the through-hole that makes the inside division of sealing member through sealing spring's deformation effort keeps the intercommunication with cooling shower nozzle inner tube, makes the cooling shower nozzle keep the access state to the coolant liquid that makes the coolant liquid pump output passes through the coolant liquid pipe and carries the cooling to the two on mounting panel and the brake block, and the waste liquid after making the cooling is discharged from ejection of compact pipeline, simultaneously with the piece that friction produced between brake block and the brake drum take away, make the drum stop inside keep clean.

Drawings

In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a schematic front perspective view of the present invention;

FIG. 2 is a front cross-sectional structural view of the present invention;

FIG. 3 is an enlarged view of point A of FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of point B of FIG. 3 according to the present invention;

FIG. 5 is a schematic view of a cooling structure according to the present invention in a partial cross-sectional view.

In the figure: 1. a drum brake component; 11. a brake spider; 12. a brake drum; 13. a brake cylinder; 14. connecting the shaft seat; 15. a discharge pipeline; 2. a brake shoe component; 21. a mounting member; 22. a spring hook lug; 23. a return spring; 24. a movable groove; 25. a trench partition; 3. a brake assembly; 31. mounting a plate; 32. a brake pad; 4. a compensation component; 41. a buffer block; 42. mounting a column; 43. mounting a rod; 44. mounting a limiting plate; 45. installing a spring; 46. a buffer spring; 47. a connecting plate; 48. connecting the limiting plate; 49. a connecting spring; 5. a cooling structure; 51. a coolant pump; 52. a coolant line; 53. a cooling spray head; 54. a seal member; 55. a sealing cylinder; 56. a sealing rod; 57. sealing the limiting plate; 58. a seal spring; 59. a trigger lever.

Detailed Description

In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 5, the present invention provides a technical solution: a drum brake capable of dissipating heat quickly comprises a drum brake component 1, wherein the drum brake component 1 comprises a brake bottom plate 11 and a brake drum 12, a brake cylinder 13 and a connecting shaft seat 14 which are distributed up and down are arranged on the inner side of the brake bottom plate 11, a discharge pipeline 15 positioned at the bottom of the connecting shaft seat 14 is further installed on the brake bottom plate 11, brake shoe components 2 which are distributed symmetrically are arranged between the brake cylinder 13 and the connecting shaft seat 14, each brake shoe component 2 comprises an installation part 21 with a semicircular structure, output shaft rods are arranged at two ends of the brake cylinder 13, connecting shaft rods which are distributed symmetrically are arranged in the connecting shaft seat 14, the upper end and the lower end of the installation part 21 are respectively sleeved on the output shaft rods of the brake cylinder 13 and the connecting shaft rod of the connecting shaft seat 14, reset springs 23 which are distributed symmetrically are arranged between the two installation parts 21, two ends of the reset springs 23 are respectively connected to spring hook lugs 22 which are arranged on one side, which is adjacent to the two installation parts 21, and are distributed symmetrically, the brake component 3 is further arranged on the outer side of the mounting piece 21 in a circumferential array mode, the brake component 3 comprises a mounting plate 31 of an arc-shaped structure and a brake pad 32 of the arc-shaped structure, the two mounting pieces 21 are driven to turn over by using a shaft joint of the two mounting pieces 21 and a connecting shaft seat 14 as a rotating shaft center through a brake cylinder 13 mounted on a brake bottom plate 11 during braking, a return spring 23 mounted on a spring hook lug 22 is driven to stretch and deform, and the brake pad 32 mounted on the mounting plate 31 can rub with the brake drum 12 to reduce the speed of the vehicle.

As shown in fig. 1 to 4, a compensation assembly 4 is further disposed between the mounting plate 31 and the mounting member 21, the compensation assembly 4 is configured to enable the brake pad 32 to move along a circumferential array line and enable the brake pad 32 to move towards the brake drum 12 when the brake pad 32 contacts the brake drum 12, the compensation assembly 4 includes a buffer block 41, a mounting post 42, a mounting rod 43, a mounting limit plate 44, a mounting spring 45, a buffer spring 46, a connecting plate 47 with an arc-shaped structure, a connecting limit plate 48 and a connecting spring 49, a movable groove 24 distributed in a circumferential array is disposed on each of opposite sides of the two mounting members 21, a groove partition plate 25 is disposed in the movable groove 24, the groove partition plate 25 partitions the movable groove 24 into a front groove and a rear groove, the buffer block 41 is movably disposed in the rear groove of the movable groove 24, the mounting post 42 is disposed on a side of the buffer block 41 adjacent to the mounting plate 31, one end of the mounting rod 43 is disposed on a side of the mounting plate 31 adjacent to the mounting post 42, the other end of the mounting rod 43 extends into the mounting groove formed in the mounting post 42, the mounting limiting plate 44 is arranged on the port of the mounting rod 43 located in the mounting groove of the mounting post 42, the mounting spring 45 is arranged between the mounting limiting plate 44 and the inner wall of the mounting groove of the mounting post 42 and is sleeved on the mounting rod 43, the buffer spring 46 is arranged between one side of the buffer block 41 far away from the groove partition 25 and the inner wall of the movable groove 24, the connecting plates 47 are arranged between the mounting plates 31 in a counterclockwise circumferential array manner and are adjacent to one side in the counterclockwise circumferential array direction and extend into the slot formed in the next mounting plate 31, the connecting limiting plate 48 is arranged on the port of the connecting plate 47 located in the slot of the mounting plate 31, the connecting spring 49 is arranged between the connecting limiting plate 48 and the inner wall of the slot of the mounting plate 31, the above structural design is convenient for friction between the brake pad 32 and the brake drum 12, drives the mounting plate 31 to move along the counterclockwise circumferential array direction, simultaneously drives the mounting rod 43 arranged on the mounting plate 31 to drive the buffer block 41 connected with the mounting post 42 to apply acting force to the buffer spring 46 to deform and contract the buffer spring, and the connecting plate 47 installed on the mounting plate 31 drives the connecting limit plate 48 to apply an acting force to the connecting spring 49 in the slot of the next mounting plate 31 to deform and contract, at this time, after the mounting plates 31 are contracted to the limit and are connected into a whole, when the brake lining 32 becomes thinner under the influence of the frictional force of the brake drum 12, the brake lining 32 extends partially outward under the frictional force of the brake drum 12, and the mounting rod 43 drives the mounting limit plate 44 to apply acting force to the mounting spring 45 to deform and contract the mounting spring, to move the brake plate 32 in the direction of the brake drum 12 and to compensate for the braking effect in the event of a thinner brake plate 32.

As shown in fig. 1, 2, 3 and 5, a cooling structure 5 is further disposed in the mounting member 21, the cooling structure 5 includes a cooling liquid pump 51, a cooling liquid pipeline 52, a cooling spray nozzle 53, a sealing member 54, a sealing cylinder 55, a sealing rod 56, a sealing position limiting plate 57, a sealing spring 58 and a trigger rod 59, which are symmetrically distributed, the cooling structure 5 is assembled to maintain a passage between the cooling spray nozzle 53 and the sealing member 54 when the brake pad 32 moves along a circumferential array line, the cooling liquid pump 51 is mounted on the brake bottom plate 11 and is located between the brake cylinder 13 and the connecting shaft seat 14, the cooling liquid pipeline 52 is disposed in the mounting member 21, an input end of the cooling liquid pump 51 is connected to an output end of the cooling liquid pump, the cooling spray nozzle 53 is disposed on an inner wall of a front groove of the moving groove 24 in a circumferential array manner and is connected to an output end of the cooling liquid pipeline 52, the sealing member 54 is disposed in a water cavity formed inside the cooling spray nozzle 53, the structure design can lead the sealing limiting plate 57 to drive the trigger rod 59 to move towards the rear groove direction of the movable groove 24 under the deformation acting force of the sealing spring 58 when the buffer block 41 exerts the acting force on the buffer spring 46 to deform and shrink, and synchronously drives the sealing element 54 connected with the sealing rod 56 to move towards the direction of the sealing cylinder 55, at this time, the through hole arranged in the sealing element 54 can be communicated with the pipeline in the cooling spray head 53, so that the cooling spray head 53 keeps a passage state, so that the cooling liquid output by the cooling liquid pump 51 is conveyed to the mounting plate 31 and the brake pad 32 through the cooling liquid pipeline 52 to cool the mounting plate 31 and the brake pad 32, the cooled waste liquid can be discharged from the discharge pipeline 15, and the scraps generated by friction between the brake pad 32 and the brake drum 12 are taken out, so that the interior of the drum brake can be kept clean, after braking is finished, the buffer block 41 can drive the trigger rod 59 to move towards the front groove direction of the movable groove 24 under the action force of the deformation recovery of the buffer spring 46, and synchronously drive the sealing element 54 connected with the sealing rod 56 to move towards the sealing cylinder 55, at this time, the through hole arranged in the sealing element 54 can be kept staggered with the pipeline in the cooling spray head 53, the cooling spray nozzle 53 is kept in a closed state.

The spring constant of the return spring 23, the mounting spring 45, the buffer spring 46 and the sealing spring 58 mentioned above meets the technical requirements of the solution of the present invention.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.