CN112590730B - Electric automobile arresting gear - Google Patents
Electric automobile arresting gear Download PDFInfo
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- CN112590730B CN112590730B CN202110043133.7A CN202110043133A CN112590730B CN 112590730 B CN112590730 B CN 112590730B CN 202110043133 A CN202110043133 A CN 202110043133A CN 112590730 B CN112590730 B CN 112590730B
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- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 238000005253 cladding Methods 0.000 claims abstract description 20
- 210000001503 joint Anatomy 0.000 claims abstract description 9
- 239000011248 coating agent Substances 0.000 claims description 11
- 238000000576 coating method Methods 0.000 claims description 11
- 238000001802 infusion Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 230000000994 depressogenic effect Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/065—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing disc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/067—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels employing drum
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses an electric automobile braking device which comprises two groups of wheels, a shaft lever and a supporting frame, wherein the shaft lever is used for butt joint between the two groups of wheels, the supporting frame is sleeved on the shaft lever on the inner side of the two groups of wheels, the centers of the two groups of wheels are in butt joint with the shaft lever through an inner sleeve rotating shaft, and a clamping column used for installing braking equipment is processed on the shaft lever. The invention provides an electric automobile brake device, which is characterized in that an arc-shaped groove is arranged on a clamping pressure surface, the connecting area between the brake device and a brake disc is enlarged, the friction force is increased, three pressures of the inner part and the outer part are butted, the effect of accelerating the braking efficiency can be achieved under the action of the pressure, the brake device can be used for emergency braking, the stability of the brake device in use is increased, the brake device is prevented from shifting or deforming, a side clamping brake mechanism and a cladding clamping mechanism brake simultaneously, the abrasion caused by excessive braking can be reduced, the brake device can be effectively and rapidly braked under the emergency condition, and the use benefit and the use safety of the brake device are improved.
Description
Technical Field
The invention relates to the field of electric automobile braking, in particular to an electric automobile braking device.
Background
As is well known, an electric vehicle is widely used in the field of daily life as a transportation vehicle, wherein a braking system is a series of special devices that can forcibly reduce the running speed of the vehicle, and mainly functions to decelerate or even stop the vehicle running on a slope, stabilize the speed of the vehicle running on a slope, and keep the stopped vehicle still. The brake system in the prior art adopts the cooperation of a brake caliper and a chuck, the braking function is single, and the braking function needs to be added under some special conditions, but the existing electric vehicle does not have, so that an electric vehicle brake device is provided to solve the problems.
Disclosure of Invention
The present invention provides a brake device for an electric vehicle, which overcomes the above-mentioned problems of the related art.
The technical scheme of the invention is realized as follows:
the utility model provides an electric automobile arresting gear, includes two sets of wheels and is used for carrying out the axostylus axostyle that docks between two sets of wheels and cup joints the support frame on the inboard axostylus axostyle of two sets of wheels, the center department of two sets of wheels docks with the axostylus axostyle through the endotheca pivot, and processing has the joint post that is used for installing braking equipment on the axostylus axostyle, set up on the braking equipment and dock the notch with the joint post mutually, just thereby braking equipment fixes on the axostylus axostyle through inside notch and joint post interpolation.
Furthermore, the braking equipment comprises a side clamping braking mechanism, a coating clamping mechanism, a pressurization control mechanism and a braking shaft body, wherein the side clamping braking mechanism is installed on two sides of the upper end of the braking shaft body, the coating clamping mechanism is installed in a coating mode through being arranged on two sides below the braking shaft body and on an outer connecting surface below the braking shaft body, the side clamping braking mechanism and the coating clamping mechanism are both connected with the pressurization control mechanism, the pressurization control mechanism is used for driving the side clamping braking mechanism and the coating clamping mechanism to move in a reciprocating mode, and the driving side clamping braking mechanism and the coating clamping mechanism are connected with the braking shaft body in a laminating mode when moving in the reciprocating mode to clamp the braking shaft body;
the side clamping brake mechanism comprises a first semi-arc-shaped clamping disc, a second arc-shaped clamping disc, a first telescopic rod and a second telescopic rod, wherein a plurality of arc-shaped grooves are processed on the connecting surfaces of the inner ends of the first semi-arc-shaped clamping disc and the second semi-arc-shaped clamping disc and a brake shaft body, the rear end of the first semi-arc-shaped clamping disc is connected with an output rod of the first telescopic rod, the rear end of the second semi-arc-shaped clamping disc is connected with an output rod of the second telescopic rod, the first telescopic rod and the second telescopic rod are used for driving the first semi-arc-shaped clamping disc and the second arc-shaped clamping disc to reciprocate and stretch, and the brake shaft body is clamped between the first semi-arc-shaped clamping disc and the second arc-shaped clamping disc in a stretching state;
the brake shaft body comprises an inner shaft ring, a connecting brake disc, an internal groove and an outer ring body, the inner shaft ring is arranged at the center of the connecting brake disc, the internal groove is respectively processed on two end faces of the connecting brake disc, the outer ring body is welded on the outer section of the connecting brake disc, and the outer ring body and the inner shaft ring are butted through the connecting brake disc;
the coating clamping mechanism comprises a left inner clamping disc, a right inner clamping disc, an outer clamping disc, a first hydraulic cylinder, a second hydraulic cylinder and a piston cylinder, wherein the left inner clamping disc and the right inner clamping disc are respectively arranged in an inner groove connected with the lower part of two sides of the brake disc, the connecting surface of the left inner clamping disc and the right inner clamping disc is butted with the inner end surface of the outer ring body below the inner groove, the upper part of the left inner clamping disc is connected with an output rod of the first hydraulic cylinder, the right inner clamping disc is connected with an output rod of the second hydraulic cylinder, the outer clamping disc is arranged below the outer ring body, the lower part of the outer clamping disc is connected with the output end of the piston cylinder, and the piston cylinder drives the outer clamping disc to vertically reciprocate and is movably connected with the outer ring body in a pressing manner;
the pressurization control mechanism comprises a tee joint, a cross joint, an upper conveying pipe, upper conveying branch pipes, lower output pipes and lower output branch pipes, wherein a lower opening of the tee joint is connected with the upper conveying pipe, openings at two ends of the tee joint are respectively connected with the two groups of upper conveying branch pipes, one ends of the two groups of upper conveying branch pipes are respectively connected with a first telescopic rod and a second telescopic rod, the lower opening of the cross joint is connected with the lower output pipes, other three openings of the cross joint are respectively connected with the three groups of lower output branch pipes, and one ends of the three groups of lower output branch pipes are respectively connected with a first hydraulic cylinder, a second hydraulic cylinder and a piston cylinder.
Furthermore, one end of the lower output pipe and one end of the upper output pipe are respectively connected with a main infusion pipe, the main infusion pipe is arranged in a sleeve transversely fixed on the support frame, and the main infusion pipe is used for conveying brake fluid in the liquid storage tank.
Furthermore, a supporting and fixing mechanism is further mounted at the side ends of the side clamping braking mechanism and the cladding and clamping mechanism;
support fixed establishment and include left branch, right branch pole, left horizontal dead lever and right horizontal dead lever, the below of left branch pole and right branch pole is all fixed on the support frame, the body of rod of left branch top and first telescopic link is connected, the body of rod of right branch pole and second telescopic link is connected, left horizontal dead lever is installed to left branch pole, left horizontal dead lever one end is transversely fixed at the side of first pneumatic cylinder body, right horizontal dead lever is transversely fixed between right branch pole and second pneumatic cylinder body.
Furthermore, pressure control mechanisms are also arranged on the lower output pipe and the upper output pipe;
the pressure control mechanism comprises a pressure sensor, a first electromagnetic valve and a second electromagnetic valve, the first electromagnetic valve is installed on the lower output pipe, the second electromagnetic valve is connected to the upper output pipe in series, the pressure sensor is connected with the automobile master control system, and the first electromagnetic valve and the second electromagnetic valve are controlled by the automobile master control system.
Further, a pressure sensor is installed on a brake pedal of the automobile, and the pressure sensor is used for measuring the pressure when the brake pedal is stepped down.
The technical scheme has the following advantages or beneficial effects:
the invention provides an electric automobile braking device, wherein a first telescopic rod and a second telescopic rod are distributed to drive a first semi-arc-shaped clamping disc and a second semi-arc-shaped clamping disc to stretch and retract in a reciprocating mode, a braking shaft body is clamped between the first semi-arc-shaped clamping disc and the second semi-arc-shaped clamping disc in a stretching state, the first telescopic rod and the second telescopic rod stretch and drive the first semi-arc-shaped clamping disc and the second semi-arc-shaped clamping disc to clamp and brake the two sides of the braking shaft body, and an arc-shaped groove is formed in a clamping and pressing surface, so that the connecting area between the first semi-arc-shaped clamping disc and the second semi-arc-shaped clamping disc is enlarged, and the friction force of the braking shaft body is increased.
The invention provides an electric automobile braking device, wherein an outer clamping disc is arranged below an outer ring body, the lower part of the outer clamping disc is connected with the output end of a piston cylinder, the piston cylinder drives the outer clamping disc to move up and down in a reciprocating mode and is movably connected with the outer ring body in a pressing mode, a left inner clamping disc, a right inner clamping disc and the outer clamping disc conduct three-way coating clamping pressure on a braking shaft body, the inner pressure and the outer pressure are in butt joint, the effect of accelerating braking efficiency can be achieved under the action of the pressure, and the electric automobile braking device can be used for emergency braking.
3. The invention provides an electric automobile braking device, wherein one end of a left transverse fixing rod is transversely fixed at the side end of a first hydraulic cylinder body, a right transverse fixing rod is transversely fixed between a right supporting rod and a second hydraulic cylinder body, and a supporting and fixing mechanism is used for installing and fixing braking equipment, so that the stability of the braking equipment in use is improved, and the braking is prevented from shifting or deforming.
4. The invention provides an electric automobile braking device, a pressure sensor is connected with an automobile master control system, a first electromagnetic valve and a second electromagnetic valve are controlled by the automobile master control system, the pressure sensor is arranged on a brake pedal of an automobile and used for measuring the pressure when the brake pedal is stepped down, when the brake pedal is used, the pressure sensor is used for measuring the pressure borne by the brake pedal when a foot is stepped on the brake pedal, the pressure sensor transmits the detection result to the automobile master control system, when the pressure borne by the brake pedal is light, the automobile master control system controls the second electromagnetic valve on an upper transmission pipe to be opened so as to start a side clamping mechanism to brake, when the pressure borne by the brake pedal is heavy, the automobile master control system controls the first electromagnetic valve and the second electromagnetic valve to be opened simultaneously, and the side clamping mechanism and a cladding clamping mechanism brake simultaneously, the brake device can reduce abrasion caused by excessive braking, can effectively and quickly brake in an emergency, and improves the use benefit and the use safety of the brake device.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is an overall structural schematic diagram of an electric vehicle brake device according to an embodiment of the invention;
FIG. 2 is a schematic structural diagram of a braking device of an electric vehicle braking apparatus according to an embodiment of the present invention;
FIG. 3 is a sectional view of a brake shaft body of an electric vehicle brake apparatus according to an embodiment of the present invention;
fig. 4 is a structural view of a side clamp braking mechanism of an electric vehicle braking apparatus according to an embodiment of the present invention;
FIG. 5 is a structural view of a coating clamping mechanism of a brake device for an electric vehicle according to an embodiment of the present invention;
FIG. 6 is a structural view of a pressurization control mechanism of the brake apparatus of the electric vehicle according to the embodiment of the present invention;
FIG. 7 is a structural view of a support fixing mechanism of a brake apparatus for an electric vehicle according to an embodiment of the present invention;
fig. 8 is a block diagram of a pressure control mechanism of a brake apparatus for an electric vehicle according to an embodiment of the present invention.
In the figure:
1. a wheel; 2. a shaft lever; 3. a support frame; 4. a braking device; 41. a side clamp braking mechanism; 411. a first semi-arc shaped clamping plate; 4111. an arc-shaped slot; 412. a second arc-shaped clamping disc; 413. a first telescopic rod; 414. a second telescopic rod; 42. a cladding clamping mechanism; 421. a left inner chuck; 422. a right inner chuck; 423. an outer clamping plate; 424. a first hydraulic cylinder; 425. a second hydraulic cylinder; 426. a piston cylinder; 43. a pressurization control mechanism; 431. a tee joint; 432. four-way; 433. an upper conveying pipe; 434. an upper conveying branch pipe; 435. a lower output pipe; 4351. a main infusion pipe; 436. a lower output branch pipe; 44. a brake shaft body; 441. an inner collar; 442. connecting a brake disc; 443. a built-in groove; 444. an outer ring body; 5. a supporting and fixing mechanism; 51. a left strut; 52. a right strut; 53. a left transverse fixing rod; 54. a right transverse fixing rod; 6. a pressure control mechanism; 61. a pressure sensor; 62. a first solenoid valve; 63. a second solenoid valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
Refer to fig. 1-8 and show an electric automobile arresting gear, including two sets of wheels 1 and be used for carrying out the axostylus axostyle 2 of butt joint between two sets of wheels 1 and cup joint support frame 3 on the inboard axostylus axostyle 2 of two sets of wheels 1, the center department of two sets of wheels 1 docks with axostylus axostyle 2 through the endotheca pivot, and processing has the joint post that is used for installing braking device 4 on the axostylus axostyle 2, set up on the braking device 4 and dock the notch with the joint post relatively, thereby braking device 4 inserts through inside notch and joint post and closes to fix on axostylus axostyle 2, axostylus axostyle 2 is used for two sets of wheels 1, be convenient for carry out the linkage after wheel 1 rotates.
The brake equipment 4 comprises a side clamping brake mechanism 41, a cladding clamping mechanism 42, a pressurization control mechanism 43 and a brake shaft body 44, wherein the side clamping brake mechanism 41 is installed on two sides of the upper end of the brake shaft body 44, the cladding clamping mechanism 42 is installed in a cladding mode through being arranged on two sides below the brake shaft body 44 and an outer connecting surface below the brake shaft body 44, the side clamping brake mechanism 41 and the cladding clamping mechanism 42 are both connected with the pressurization control mechanism 43, the pressurization control mechanism 43 is used for driving the side clamping brake mechanism 41 and the cladding clamping mechanism 42 to move in a reciprocating mode, and the driving side clamping brake mechanism 41 and the cladding clamping mechanism 42 are in fit connection with the brake shaft body 44 to clamp the brake shaft body 44 during the reciprocating movement;
the side clamping brake mechanism 41 comprises a first semi-arc-shaped clamping disc 411, a second arc-shaped clamping disc 412, a first telescopic rod 413 and a second telescopic rod 414, wherein a plurality of arc-shaped grooves 4111 are respectively processed on the connection surfaces of the inner ends of the first semi-arc-shaped clamping disc 411 and the second arc-shaped clamping disc 412 and the brake shaft body 44, the rear end of the first semi-arc-shaped clamping disc 411 is connected with an output rod of the first telescopic rod 413, the rear end of the second arc-shaped clamping disc 412 is connected with an output rod of the second telescopic rod 414, the first telescopic rod 413 and the second telescopic rod 414 are respectively used for driving the first semi-arc-shaped clamping disc 411 and the second arc-shaped clamping disc 412 to reciprocate and extend, the first semi-arc-shaped clamping disc 411 and the second arc-shaped clamping disc 412 clamp and brake the brake shaft body 44 when the first semi-arc-shaped clamping disc 411 and the second arc-shaped clamping disc 411 and the second telescopic rod 414 extend and drive the first semi-arc-shaped clamping disc 411 and the second arc-shaped clamping disc 412 to clamp and brake the brake shaft body 44 at two sides when the first semi-arc-shaped clamping disc 411 and the second telescopic rod 412 are in the telescopic state, the arc-shaped groove 4111 is arranged on the clamping and pressing surface, so that the connecting area between the clamping and pressing surface and the brake disc 442 is enlarged, and the friction force of the clamping and pressing surface is increased;
the brake shaft body 44 comprises an inner shaft ring 441, a connecting brake disc 442, built-in grooves 443 and an outer ring body 444, wherein the inner shaft ring 441 is arranged at the center of the connecting brake disc 442, the built-in grooves 443 are respectively machined on two end faces of the connecting brake disc 442, the outer ring body 444 is welded on the outer section of the connecting brake disc 442, and the outer ring body 444 and the inner shaft ring 441 are butted through the connecting brake disc 442;
the coating clamping mechanism 42 comprises a left inner chuck 421, a right inner chuck 422, an outer clamping disc 423, a first hydraulic cylinder 424, a second hydraulic cylinder 425 and a piston cylinder 426, wherein the left inner chuck 421 and the right inner chuck 422 are respectively arranged in an inner groove 443 connecting the lower parts of the two sides of the brake disc 442, the connecting surface of the left inner chuck 421 and the right inner chuck 422 is butted with the inner end surface of the outer ring body 444 below the inner groove 443, the upper part of the left inner chuck 421 is connected with an output rod of the first hydraulic cylinder 424, the right inner chuck 422 is connected with an output rod of the second hydraulic cylinder 425, the outer clamping disc 423 is arranged below the outer ring body 444, the lower part of the outer clamping disc 423 is connected with the output end of the piston cylinder 426, the piston cylinder 426 drives the outer clamping disc 423 to reciprocate up and down to be connected with the outer ring body 444 in a movable pressing manner, the left inner chuck 421, the right inner chuck 422 and the outer clamping disc 423 clamp the brake shaft body 44 in a three-way, the internal and external three-way pressure is butted, so that the effect of accelerating the braking efficiency can be achieved under the action of the pressure, and the brake can be used for emergency braking;
the pressurization control mechanism 43 comprises a tee joint 431, a cross joint 432, an upper conveying pipe 433, an upper conveying branch pipe 434, a lower output pipe 435 and a lower output branch pipe 436, a lower through opening of the tee joint 431 is connected with the upper conveying pipe 433, through openings at two ends of the tee joint 431 are respectively connected with the two groups of upper conveying branch pipes 434, one ends of the two groups of upper conveying branch pipes 434 are respectively connected with the first telescopic rod 413 and the second telescopic rod 414, a lower through opening of the cross joint 432 is connected with the lower output pipe 435, other three through openings of the cross joint 432 are respectively connected with the three groups of lower output branch pipes 436, one ends of the three groups of lower output branch pipes 436 are respectively connected with the first hydraulic cylinder 424, the second hydraulic cylinder 425 and the piston cylinder 426, and the pressurization control mechanism 43 is used for conveying brake fluid so as to pressurize the brake system.
One end of the lower output pipe 435 and one end of the upper output pipe 433 are respectively connected with an infusion main pipe 4351, the infusion main pipe 4351 is arranged in a sleeve transversely fixed on the support frame 3, and the infusion main pipe 4351 is used for conveying brake fluid in the liquid storage tank.
The side ends of the side clamp braking mechanism 41 and the cladding clamping mechanism 42 are also provided with a supporting and fixing mechanism 5;
support fixed establishment 5 and include left branch 51, right branch 52, left side horizontal dead lever 53 and right horizontal dead lever 54, the below of left branch 51 and right branch 52 is all fixed on support frame 3, left branch 51 top and the body of rod connection of first telescopic link 413, right branch 52 and the body of rod connection of second telescopic link 414, left horizontal dead lever 53 is installed to left branch 51, left side horizontal dead lever 53 one end is transversely fixed at the side of first pneumatic cylinder 424 cylinder body, right side horizontal dead lever 54 is transversely fixed between right branch 52 and second pneumatic cylinder 425 cylinder body, support fixed establishment 5 and be used for braking equipment 4 to install and fix, stability when increasing its use, prevent that the braking from appearing shifting or warping.
The lower output pipe 435 and the upper output pipe 433 are also provided with a pressure control mechanism 6; the pressure control mechanism 6 comprises a pressure sensor 61, a first electromagnetic valve 62 and a second electromagnetic valve 63, the first electromagnetic valve 62 is installed on the lower output pipe 435, the second electromagnetic valve 63 is connected in series on the upper output pipe 433, the pressure sensor 61 is connected with the automobile master control system, the first electromagnetic valve 62 and the second electromagnetic valve 63 are controlled by the automobile master control system, the pressure sensor 61 is installed on the brake pedal of the automobile, the pressure sensor 61 is used for measuring the pressure when the brake pedal is stepped on, when the brake pedal is used, the pressure sensor 61 is used for measuring the pressure borne by the brake pedal when the brake pedal is stepped on, the pressure sensor 61 transmits the detection result to the automobile master control system, when the pressure borne by the brake pedal is light, the automobile master control system controls the second electromagnetic valve 63 on the upper output pipe 433 to be opened, so as to start the side-clamping brake mechanism 41 to brake, when the pressure born by the brake pedal is heavy, the automobile master control system controls the first electromagnetic valve 62 and the second electromagnetic valve 63 to be opened simultaneously, and the side clamping brake mechanism 41 and the cladding clamping mechanism 42 brake simultaneously, so that the abrasion caused by excessive braking can be reduced, the brake can be effectively and quickly performed under emergency conditions, and the use benefit and the use safety of the brake device are improved.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides an electric automobile arresting gear which characterized in that: the wheel brake device comprises two groups of wheels (1), a shaft lever (2) used for butt joint between the two groups of wheels (1) and a support frame (3) sleeved on the shaft lever (2) on the inner side of the two groups of wheels (1), wherein the centers of the two groups of wheels (1) are in butt joint with the shaft lever (2) through an inner sleeve rotating shaft, a clamping column used for installing a brake device (4) is processed on the shaft lever (2), a notch in butt joint with the clamping column is formed in the brake device (4), and the brake device (4) is fixed on the shaft lever (2) through the insertion of the inner notch and the clamping column;
the brake equipment (4) comprises a side clamping brake mechanism (41), a cladding clamping mechanism (42), a pressurization control mechanism (43) and a brake shaft body (44), wherein the side clamping brake mechanism (41) is installed on two sides of the upper end of the brake shaft body (44), the cladding clamping mechanism (42) is installed in a cladding mode on two sides below the brake shaft body (44) and an outer connecting surface below the brake shaft body in a cladding mode, the side clamping brake mechanism (41) and the cladding clamping mechanism (42) are both connected with the pressurization control mechanism (43), the pressurization control mechanism (43) is used for driving the side clamping brake mechanism (41) and the cladding clamping mechanism (42) to move in a reciprocating mode, the side clamping brake mechanism (41) and the cladding clamping mechanism (42) are in fit connection with the brake shaft body (44) during the reciprocating movement, and the brake shaft body (44) is clamped;
the side clamping brake mechanism (41) comprises a first semi-arc-shaped clamping disc (411), a second arc-shaped clamping disc (412), a first telescopic rod (413) and a second telescopic rod (414), a plurality of arc grooves (4111) are processed on the connection surfaces of the inner ends of the first semi-arc clamping disk (411) and the second semi-arc clamping disk (412) and the brake shaft body (44), the rear end of the first semi-arc-shaped clamping disc (411) is connected with an output rod of a first telescopic rod (413), the rear end of the second arc-shaped clamping disc (412) is connected with an output rod of a second telescopic rod (414), the first telescopic rod (413) and the second telescopic rod (414) are used for driving the first semi-arc-shaped clamping disc (411) and the second arc-shaped clamping disc (412) to stretch and retract in a reciprocating mode, and the first semi-arc-shaped clamping disc (411) and the second arc-shaped clamping disc (412) clamp and press the brake shaft body (44) in a stretching state;
the brake shaft body (44) comprises an inner shaft ring (441), a connecting brake disc (442), built-in grooves (443) and an outer ring body (444), the inner shaft ring (441) is arranged at the center of the connecting brake disc (442), the built-in grooves (443) are respectively machined on two end faces of the connecting brake disc (442), the outer ring body (444) is welded on the outer cross section of the connecting brake disc (442), and the outer ring body (444) is in butt joint with the inner shaft ring (441) through the connecting brake disc (442);
the coating clamping mechanism (42) comprises a left inner clamping disc (421), a right inner clamping disc (422), an outer clamping disc (423), a first hydraulic cylinder (424), a second hydraulic cylinder (425) and a piston cylinder (426), the left inner chuck (421) and the right inner chuck (422) are respectively arranged in an inner groove (443) connected with the lower portions of two sides of the brake disc (442), the connecting surface of the left inner chuck (421) and the right inner chuck (422) is butted with the inner end surface of an outer ring body (444) below the inner groove (443), the upper portion of the left inner chuck (421) is connected with an output rod of a first hydraulic cylinder (424), the right inner chuck (422) is connected with an output rod of a second hydraulic cylinder (425), an outer clamping disc (423) is arranged below an outer ring body (444), the lower portion of the outer clamping disc (423) is connected with the output end of a piston cylinder (426), and the piston cylinder (426) drives the outer clamping disc (423) to move up and down in a reciprocating mode to be movably connected with the outer ring body (444) in a pressing mode;
the pressurization control mechanism (43) comprises a tee joint (431), a cross joint (432), an upper conveying pipe (433), an upper conveying branch pipe (434), a lower output pipe (435) and a lower output branch pipe (436), wherein a lower through port of the tee joint (431) is connected with the upper conveying pipe (433), through ports at two ends of the tee joint (431) are respectively connected with two groups of upper conveying branch pipes (434), one ends of the two groups of upper conveying branch pipes (434) are respectively connected with a first telescopic rod (413) and a second telescopic rod (414), a lower through port of the cross joint (432) is connected with the lower output pipe (435), other three through ports of the cross joint (432) are respectively connected with three groups of lower output branch pipes (436), and one ends of the three groups of lower output branch pipes (436) are respectively connected with a first hydraulic cylinder (424), a second hydraulic cylinder (425) and a piston cylinder (426);
one end of the lower output pipe (435) and one end of the upper output pipe (433) are respectively connected with a main infusion pipe (4351), the main infusion pipe (4351) is arranged in a sleeve transversely fixed on the support frame (3), and the main infusion pipe (4351) is used for conveying brake fluid in the liquid storage tank.
2. The braking device of the electric automobile according to claim 1, characterized in that the side ends of the side clamping braking mechanism (41) and the cladding clamping mechanism (42) are also provided with a supporting and fixing mechanism (5);
support fixed establishment (5) including left branch pole (51), right branch pole (52), left side horizontal fixed pole (53) and right side horizontal fixed pole (54), the below of left branch pole (51) and right branch pole (52) is all fixed on support frame (3), the body of rod connection of left branch pole (51) top and first telescopic link (413), the body of rod connection of right branch pole (52) and second telescopic link (414), left side horizontal fixed pole (53) are installed in left branch pole (51), the side at first pneumatic cylinder (424) cylinder body is transversely fixed to left side horizontal fixed pole (53) one end, right side horizontal fixed pole (54) are transversely fixed between right branch pole (52) and second pneumatic cylinder (425) cylinder body.
3. The braking device of an electric vehicle according to claim 1, characterized in that the lower outlet pipe (435) and the upper outlet pipe (433) are further provided with a pressure control mechanism (6);
the pressure control mechanism (6) comprises a pressure sensor (61), a first electromagnetic valve (62) and a second electromagnetic valve (63), the first electromagnetic valve (62) is installed on a lower output pipe (435), the second electromagnetic valve (63) is connected to an upper output pipe (433) in series, the pressure sensor (61) is connected with an automobile master control system, and the first electromagnetic valve (62) and the second electromagnetic valve (63) are controlled by the automobile master control system.
4. A brake device for an electric vehicle according to claim 3, wherein the pressure sensor (61) is mounted on a brake pedal of the vehicle, and the pressure sensor (61) is adapted to measure the pressure when the brake pedal is depressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110043133.7A CN112590730B (en) | 2021-01-13 | 2021-01-13 | Electric automobile arresting gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110043133.7A CN112590730B (en) | 2021-01-13 | 2021-01-13 | Electric automobile arresting gear |
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| Publication Number | Publication Date |
|---|---|
| CN112590730A CN112590730A (en) | 2021-04-02 |
| CN112590730B true CN112590730B (en) | 2022-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110043133.7A Active CN112590730B (en) | 2021-01-13 | 2021-01-13 | Electric automobile arresting gear |
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| CN (1) | CN112590730B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB138903A (en) * | 1918-12-26 | 1921-01-13 | Clark Warner Parker | Improvements in brake mechanisms for motor vehicles |
| CN205706635U (en) * | 2016-04-14 | 2016-11-23 | 张正友 | A kind of new automobile spare braking device |
| CN106143439A (en) * | 2016-09-20 | 2016-11-23 | 阜南县申通机械制造有限公司 | A kind of emergency brake system during brake failure |
| CN109083949A (en) * | 2018-09-04 | 2018-12-25 | 安徽工程大学 | A kind of novel brake device for car |
| WO2019119265A1 (en) * | 2017-12-19 | 2019-06-27 | 中车株洲电力机车有限公司 | Longitudinal-drive bogie with built-in axle boxes |
-
2021
- 2021-01-13 CN CN202110043133.7A patent/CN112590730B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB138903A (en) * | 1918-12-26 | 1921-01-13 | Clark Warner Parker | Improvements in brake mechanisms for motor vehicles |
| CN205706635U (en) * | 2016-04-14 | 2016-11-23 | 张正友 | A kind of new automobile spare braking device |
| CN106143439A (en) * | 2016-09-20 | 2016-11-23 | 阜南县申通机械制造有限公司 | A kind of emergency brake system during brake failure |
| WO2019119265A1 (en) * | 2017-12-19 | 2019-06-27 | 中车株洲电力机车有限公司 | Longitudinal-drive bogie with built-in axle boxes |
| CN109083949A (en) * | 2018-09-04 | 2018-12-25 | 安徽工程大学 | A kind of novel brake device for car |
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| Publication number | Publication date |
|---|---|
| CN112590730A (en) | 2021-04-02 |
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