CN214465709U - Intelligent brake system of electric bus - Google Patents
Intelligent brake system of electric bus Download PDFInfo
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- CN214465709U CN214465709U CN202022807230.2U CN202022807230U CN214465709U CN 214465709 U CN214465709 U CN 214465709U CN 202022807230 U CN202022807230 U CN 202022807230U CN 214465709 U CN214465709 U CN 214465709U
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Abstract
The utility model relates to an electronic big bus intelligence braking system, include: the brake comprises a bottom shell, a first brake shoe, a second brake shoe, a transmission shaft, a brake drum and a driving piece, wherein the first brake shoe and the second brake shoe can rotate to brake by rotating the driving piece anticlockwise, and the first brake shoe and the second brake shoe can be translated to brake by rotating the driving piece clockwise. The utility model has the advantages that: the first brake shoe and the second brake shoe can perform translational braking and rotational braking, so that when the road conditions are different, a rotational braking mode can be selected, braking force is guaranteed, and abrasion to the friction plate is reduced as much as possible. Through setting up the driving piece, the first brake shoe of control that can be convenient brakies with the second brake shoe in different modes. Through setting up the regulation and control valve, the control driving piece that can be convenient carries out the not rotation of equidirectional in order to carry out the braking of different modes.
Description
Technical Field
The utility model relates to an automotive filed especially relates to an electronic big bus intelligent brake system.
Background
Along with the continuous increase of automobile consumption, traditional car relies on fossil fuel such as burning petrol, diesel oil to provide power, has not only consumed a large amount of energy, and a large amount of automobile exhaust of simultaneously discharging causes environmental pollution more and more seriously, also becomes one of the leading reasons that the haze produced. Therefore, new energy vehicles with energy saving and environmental protection are increasingly popular with governments and society, and especially pure electric vehicles which are used in large quantities at present.
The drum brake has large braking force and low cost, and is applied to a brake system of a large automobile. However, with the intelligent development of a vehicle control system, higher and higher requirements are put forward on the adjustability of the drum brake, and the traditional single working mode of the drum brake cannot adapt to flexible intelligent regulation and control requirements more and more.
In the traditional drum brake, the brake shoe comprises a translation brake and a rotation brake, the translation brake has the advantages of large contact area, uniform and small abrasion, but has the defect of small braking force compared with the rotation brake.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide a brake device capable of adjusting a braking system in response to the above-described problem.
The utility model discloses an electronic big bus intelligence braking system, electronic big bus intelligence braking system include:
the bottom shell is provided with a shaft hole, and a first hinge hole and a second hinge hole are symmetrically arranged in the center of the shaft hole;
a first connecting shaft is arranged at one end of the first brake shoe and is arranged in the first hinge hole, a second connecting shaft is arranged at one end of the second brake shoe and is arranged in the second hinge hole;
the transmission shaft is rotatably connected in the shaft hole and is provided with a driving gear;
the brake drum is covered on the bottom shell and is fixedly connected with the transmission shaft;
the driving piece is rotationally connected to the transmission shaft, the driving piece is centrally and symmetrically provided with a first protruding portion and a second protruding portion by taking the shaft hole as the center, the driving piece is further provided with a shifting lever, the shifting lever is shifted anticlockwise, the first protruding portion can be abutted against one end, away from the first connecting shaft, of the first brake shoe, meanwhile, the second protruding portion can be abutted against one end, away from the second connecting shaft, of the second brake shoe, so that the first brake shoe and the second brake shoe rotate towards one side away from the shaft hole, and are tightly attached to the brake drum for friction braking, the driving piece is centrally and symmetrically provided with a third protruding portion and a fourth protruding portion by taking the shaft hole as the center, the third protruding portion can be abutted against the middle portion of the first brake shoe by shifting the shifting lever clockwise, and meanwhile, the fourth protruding portion can be abutted against the middle portion of the second brake shoe, thereby pushing the first brake shoe and the second brake shoe to translate towards one side far away from the shaft hole, and further closely attaching to the brake drum for friction braking.
In one embodiment, a return spring is arranged between the first brake shoe and the second brake shoe.
In one embodiment, a side of the first hinge hole close to the second brake shoe is a small hole end, a side far away from the second brake shoe is a hole enlarging end, a side of the second hinge hole close to the first brake shoe is a small hole end, and a side far away from the first brake shoe is a hole enlarging end.
In one embodiment, the bottom case is provided with a first sliding groove group and a second sliding groove group which are centrosymmetric with respect to the shaft hole, the first sliding groove group comprises a first transverse sliding groove and a first arc-shaped groove which are communicated with each other at one end, and the second sliding groove group comprises a second transverse sliding groove and a second arc-shaped groove which are communicated with each other at one end.
In one embodiment, a first guide assembly is disposed in the first set of slide channels and a second guide assembly is disposed in the second set of slide channels, the first guide assembly being coupled to the first brake shoe to enable the first brake shoe to slide along the first set of slide channels, and the second guide assembly being coupled to the second brake shoe to enable the second brake shoe to slide along the second set of slide channels.
In one embodiment, the first guide assembly and the second guide assembly have the same structure, and each of the first guide assembly and the second guide assembly comprises: guide shaft, connecting rod, sliding seat, elastic component, torsional spring.
In one of these embodiments, the seat that slides of first direction subassembly can be followed first sideslip groove removes, the guiding axle with first brake shoe rotates to be connected, the connecting rod is connected the guiding axle with the seat that slides, just the connecting rod with the seat swivelling joint that slides, the torsional spring set up in slide with between the connecting rod, when first brake shoe is rotatory, the connecting rod is followed first arc wall removes, extrudees the torsional spring, the seat that slides is followed first sideslip groove removes, and extrudees the elastic component, when first brake shoe translation, the connecting rod with the seat that slides all follows first sideslip groove removes, and extrudees the elastic component.
In one embodiment, the intelligent brake system for the electric bus further comprises a hydraulic cylinder, a shifting block connected with a piston rod of the hydraulic cylinder, a regulating valve connected with the hydraulic cylinder through a first flow passage and a second flow passage, and an electromagnetic push rod for controlling the regulating valve, wherein the shifting block can be controlled to move by introducing a medium from the first flow passage or introducing a medium from the second flow passage, so that the driving piece is controlled to rotate anticlockwise or rotate clockwise, and the regulating valve can control the medium to enter the hydraulic cylinder from the first flow passage or the second flow passage.
In one embodiment, the control valve includes a housing and a valve element slidably disposed in the housing, the valve element has a first operating position and a second operating position, the valve element has a first connecting hole and a second connecting hole, a side surface of the valve element has a first connecting channel and a second connecting channel, when the valve element is in the first operating position, the first connecting hole is communicated with the first flow channel, the second connecting hole is communicated with the second flow channel, when the valve element is in the second operating position, the first connecting channel is communicated with the first flow channel, and the second connecting channel is communicated with the second flow channel, so as to switch a liquid inlet pipeline of the hydraulic cylinder.
The utility model has the advantages that:
(1) the first brake shoe and the second brake shoe can perform translational braking and rotational braking, so that when the road conditions are different, a rotational braking mode can be selected, braking force is guaranteed, and abrasion to the friction plate is reduced as much as possible.
(2) Through setting up the driving piece, the first brake shoe of control that can be convenient brakies with the second brake shoe in different modes.
(3) Through setting up the regulation and control valve, the control driving piece that can be convenient carries out the not rotation of equidirectional in order to carry out the braking of different modes.
(4) Through setting up first direction subassembly and second direction subassembly, can guide the moving direction behind first brake shoe and the second brake shoe received driving piece effort to make first brake shoe and second brake shoe can be accurate carry out translation and rotation, and reset.
Drawings
Fig. 1 is a perspective view of the intelligent brake system of the electric bus provided by the present invention;
fig. 2 is an exploded view of the intelligent brake system of the electric bus provided by the present invention;
fig. 3 is a front view of the internal structure of the intelligent brake system of the electric bus provided by the present invention;
fig. 4 is a working state diagram of the brake shoe of the intelligent brake system of electric bus for rotating brake;
fig. 5 is a working state diagram of the intelligent brake system of electric bus when the brake shoe performs translational braking;
fig. 6 is an exploded view of a part of the structure of the intelligent electric bus brake system provided by the present invention;
fig. 7 is a perspective view of a first guiding assembly of the intelligent braking system of the electric bus provided by the present invention;
fig. 8 is a perspective view of the valve element provided by the present invention.
In the drawing, the bottom case 1, the shaft hole 11, the first hinge hole 12, the second hinge hole 13, the first horizontal sliding groove 141, the first arc-shaped groove 142, the second horizontal sliding groove 151, the second arc-shaped groove 152, the first brake shoe 21, the first connecting shaft 211, the second brake shoe 22, the second connecting shaft 221, the transmission shaft 3, the drive gear 31, the brake drum 4, the driving member 5, the first boss 51, the second boss 52, the third boss 53, the fourth boss 54, the shift lever 55, the return spring 6, the first guide assembly 7, the guide shaft 71, the link 72, the slide holder 73, the elastic member 74, the torsion spring 75, the hydraulic cylinder 91, the shift block 92, the first flow passage 93, the second flow passage 94, the regulating valve 95, the inlet 951, the outlet 952, the spool 96, the first connecting hole 961, the second connecting hole 962, the first connecting passage 963, the second connecting passage 964, and the electromagnetic push rod 97 are provided.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1-7, the utility model discloses an electronic big bus intelligent braking system, electronic big bus intelligent braking system include:
the hinge structure comprises a bottom shell 1, wherein a shaft hole 11 is formed in the bottom shell 1, and a first hinge hole 12 and a second hinge hole 13 are formed in a central symmetry mode by taking the shaft hole 11 as a center;
a first brake shoe 21 and a second brake shoe 22, wherein a first connecting shaft 211 is disposed at one end of the first brake shoe 21, the first connecting shaft 211 is disposed in the first hinge hole 12, a second connecting shaft 221 is disposed at one end of the second brake shoe 22, and the second connecting shaft 221 is disposed in the second hinge hole 13;
the transmission shaft 3 is rotatably connected in the shaft hole 11, and a driving gear 31 is arranged on the transmission shaft 3;
the brake drum 4 is covered on the bottom shell 1 and is fixedly connected with the transmission shaft 3;
the driving member 5 is rotatably connected to the transmission shaft 3, the driving member 5 is provided with a first protruding portion 51 and a second protruding portion 52 in a central symmetry manner with the shaft hole 11 as a center, the driving member 5 is further provided with a shift lever 55, by shifting the shift lever 55 counterclockwise, the first protruding portion 51 can abut against one end of the first brake shoe 21 away from the first connecting shaft 211, meanwhile, the second protruding portion 52 can abut against one end of the second brake shoe 22 away from the second connecting shaft 221, so that the first brake shoe 21 and the second brake shoe 22 rotate towards one side away from the shaft hole 11, and are tightly attached to the brake drum 4 for friction braking, the driving member 5 is provided with a third protruding portion 53 and a fourth protruding portion 54 in a central symmetry manner with the shaft hole 11 as a center, by shifting the shift lever 55 clockwise, the third protruding portion 53 can abut against the middle portion of the first brake shoe 21, meanwhile, the fourth protruding portion 54 can abut against the middle portion of the second brake shoe 22, so as to push the first brake shoe 21 and the second brake shoe 22 to translate towards the side away from the shaft hole 11, and further to closely adhere to the brake drum 4 for friction braking.
Preferably, a return spring 6 is disposed between the first brake shoe 21 and the second brake shoe 22.
Preferably, as shown in fig. 2 and 3, a side of the first hinge hole 12 close to the second brake shoe 22 is a small hole end, a side far from the second brake shoe 22 is a hole enlarging end, a side of the second hinge hole 13 close to the first brake shoe 21 is a small hole end, and a side far from the first brake shoe 21 is a hole enlarging end.
It should be noted that, when the first brake shoe 21 and the second brake shoe 22 rotate, the first connecting shaft 211 can always abut against the small hole end of the first hinge hole 12, the second connecting shaft 221 can always abut against the small hole end of the second hinge hole 13 for limiting, when the middle portion of the first brake shoe 21 is pushed by the third protruding portion 53, in order to avoid the first connecting shaft 211 from being limited by the first hinge hole 12 to cause the first brake shoe 21 to also rotate, by providing the hole expanding end, the first brake shoe 21 can horizontally move along the first horizontal sliding groove 141, and when the first connecting shaft 211 is reset by the action of the reset spring 6, the first connecting shaft 211 can automatically correct the position by moving from the hole expanding end to the small hole end.
Preferably, the bottom case 1 is provided with a first sliding groove group and a second sliding groove group which are centrosymmetrically arranged by taking the shaft hole 11 as a center, the first sliding groove group comprises a first transverse sliding groove 141 and a first arc-shaped groove 142 which are communicated with each other at one end, and the second sliding groove group comprises a second transverse sliding groove 151 and a second arc-shaped groove 152 which are communicated with each other at one end.
Preferably, with reference to fig. 2 and 7, a first guide assembly 7 is disposed in the first sliding groove set, a second guide assembly (not shown) is disposed in the second sliding groove set, the first guide assembly 7 is connected to the first brake shoe 21 to enable the first brake shoe 21 to slide along the first sliding groove set, and the second guide assembly is connected to the second brake shoe 22 to enable the second brake shoe 22 to slide along the second sliding groove set.
Preferably, the first guide assembly 7 and the second guide assembly have the same structure, and both comprise: guide shaft 71, link 72, sliding seat 73, elastic member 74, and torsion spring 75.
Preferably, the sliding seat 73 of the first guiding assembly 7 can move along the first transverse sliding groove 141, the guiding shaft 71 is rotatably connected with the first brake shoe 21, the connecting rod 72 is connected with the guiding shaft 71 and the sliding seat 73, the connecting rod 72 is rotatably connected with the sliding seat 73, the torsion spring 75 is disposed between the sliding seat 73 and the connecting rod 72, when the first brake shoe 21 rotates, the connecting rod moves along the first arc-shaped groove 142 to press the torsion spring 75, the sliding seat 73 moves along the first transverse sliding groove 141 to press the elastic member 74, and when the first brake shoe 21 translates, the connecting rod and the sliding seat 73 both move along the first transverse sliding groove 141 to press the elastic member 74.
It should be noted that the second guiding assembly has the same structure as the first guiding assembly 7, and is not described herein again.
It can be understood that by arranging the first guide assembly 7 and the second guide assembly, when the brake shoe moves horizontally, the elastic member 74 is pressed, and when the brake shoe moves horizontally, the sliding seat 73 and the guide shaft 71 move along the transverse sliding groove to reset, the elastic member 74 pushes the sliding seat 73 and the guide shaft 71 move along the transverse sliding groove to reset, when the brake shoe rotates, the torsion spring 75 is pressed, and when the brake shoe resets, the elastic member 74 pushes the sliding seat 73 to move along the transverse sliding groove to reset, and the torsion spring 75 pushes the guide shaft 71 to move along the arc-shaped groove to reset.
Preferably, as shown in fig. 2 and 6, the electric bus intelligent braking system further includes a hydraulic cylinder 91, a dial block 92 connected to a piston rod of the hydraulic cylinder 91, a regulating valve 95 connected to the hydraulic cylinder 91 through a first flow passage 93 and a second flow passage 94, and an electromagnetic push rod 97 for controlling the regulating valve 95, wherein the dial block 92 can be controlled to move by introducing a medium from the first flow passage 93 or introducing a medium from the second flow passage 94, so as to control the driving member 5 to rotate counterclockwise or clockwise, and the regulating valve 95 can control the medium to enter the hydraulic cylinder 91 from the first flow passage 93 or the second flow passage 94.
Preferably, the regulating valve 95 includes a housing and a valve core 96 slidably disposed in the housing, the valve core 96 has a first operating position and a second operating position, the valve core 96 has a first connecting hole 961 and a second connecting hole 962, a side surface of the valve core 96 has a first connecting channel 963 and a second connecting channel 964, when the valve core 96 is in the first operating position, the first connecting hole 961 is communicated with the first flow channel 93, the second connecting hole 962 is communicated with the second flow channel 94, when the valve core 96 is in the second operating position, the first connecting channel 963 is communicated with the first flow channel 93, and the second connecting channel 964 is communicated with the second flow channel 94, so as to switch the liquid inlet channel of the hydraulic cylinder 91.
It is worth mentioning that the regulating valve 95 has an inlet 951 and an outlet 952.
The utility model discloses a working method does: the working state of the regulating valve 95 can be controlled by the electromagnetic push rod 97, as shown in fig. 4, when the spool 96 is in the first working position, and during braking, the piston rod of the hydraulic cylinder 91 is contracted, and the driving member 5 rotates counterclockwise, so that the first and second protrusions 51 and 52 drive the first and second brake shoes 21 and 22 to rotate and slide along the first and second arc-shaped grooves 142 and 152 for braking; when the electromagnetic push rod 97 controls the valve core 96 to be in the second working position, during braking, as shown in fig. 5, the piston rod of the hydraulic cylinder 91 extends, and the driving member 5 rotates clockwise, so that the third protruding portion 53 and the fourth protruding portion 54 drive the first brake shoe 21 and the second brake to translate along the first horizontal sliding groove 141 and the second horizontal sliding groove 151 for braking.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. The utility model provides an electronic big bus intelligence braking system which characterized in that, electronic big bus intelligence brake equipment include:
the bottom shell is provided with a shaft hole, and a first hinge hole and a second hinge hole are symmetrically arranged in the center of the shaft hole;
a first connecting shaft is arranged at one end of the first brake shoe and is arranged in the first hinge hole, a second connecting shaft is arranged at one end of the second brake shoe and is arranged in the second hinge hole;
the driving piece is provided with a first bulge and a second bulge in central symmetry by taking the shaft hole as the center, the driving piece is further provided with a shift lever, the shift lever is shifted anticlockwise, the first bulge can be abutted against one end, far away from the first connecting shaft, of the first brake shoe, the second bulge can be abutted against one end, far away from the second connecting shaft, of the second brake shoe, so that the first brake shoe and the second brake shoe rotate towards one side far away from the shaft hole, friction braking is carried out, the driving piece is provided with a third bulge and a fourth bulge in central symmetry by taking the shaft hole as the center, the third bulge can be abutted against the middle part of the first brake shoe and the fourth bulge can be abutted against the middle part of the second brake shoe by clockwise shifting the shift lever, so that the first brake shoe and the second brake shoe are pushed to translate towards one side far away from the shaft hole, and then friction braking is performed.
2. The intelligent electric bus brake system as recited in claim 1, wherein the bottom case is centrally and symmetrically provided with a first sliding slot set and a second sliding slot set centered around the axle hole, the first sliding slot set comprises a first transverse sliding slot and a first arc-shaped slot, one end of the first transverse sliding slot is communicated with the first arc-shaped slot, and the second sliding slot set comprises a second transverse sliding slot and a second arc-shaped slot, one end of the second transverse sliding slot is communicated with the second arc-shaped slot.
3. An intelligent electric bus brake system as claimed in claim 2, wherein a first guide assembly is provided in the first set of slide slots and a second guide assembly is provided in the second set of slide slots, the first guide assembly being coupled to the first brake shoe to enable the first brake shoe to slide along the first set of slide slots, the second guide assembly being coupled to the second brake shoe to enable the second brake shoe to slide along the second set of slide slots.
4. The intelligent electric bus brake system as recited in claim 3, wherein the first guide assembly and the second guide assembly are identical in structure and each comprises: guide shaft, connecting rod, sliding seat, elastic component, torsional spring.
5. The electric bus intelligent brake system of claim 4, wherein the sliding seat of the first guiding assembly can move along the first transverse sliding groove, the guiding shaft is rotatably connected with the first brake shoe, the connecting rod is connected with the guiding shaft and the sliding seat, the connecting rod is rotatably connected with the sliding seat, the torsion spring is arranged between the sliding seat and the connecting rod, when the first brake shoe rotates, the connecting rod moves along the first arc-shaped groove to press the torsion spring, the sliding seat moves along the first transverse sliding groove to press the elastic member, and when the first brake shoe translates, the connecting rod and the sliding seat both move along the first transverse sliding groove to press the elastic member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022807230.2U CN214465709U (en) | 2020-11-27 | 2020-11-27 | Intelligent brake system of electric bus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022807230.2U CN214465709U (en) | 2020-11-27 | 2020-11-27 | Intelligent brake system of electric bus |
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| Publication Number | Publication Date |
|---|---|
| CN214465709U true CN214465709U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022807230.2U Active CN214465709U (en) | 2020-11-27 | 2020-11-27 | Intelligent brake system of electric bus |
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| CN (1) | CN214465709U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247864A (en) * | 2022-03-01 | 2022-03-29 | 山西汤荣机械制造股份有限公司 | High-strength high-heat-conductivity composite brake drum sand mold shell, shell mold and shell product |
-
2020
- 2020-11-27 CN CN202022807230.2U patent/CN214465709U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247864A (en) * | 2022-03-01 | 2022-03-29 | 山西汤荣机械制造股份有限公司 | High-strength high-heat-conductivity composite brake drum sand mold shell, shell mold and shell product |
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