CN210391100U - Parking control mechanism and system and electric vehicle thereof - Google Patents
Parking control mechanism and system and electric vehicle thereof Download PDFInfo
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- CN210391100U CN210391100U CN201920976078.5U CN201920976078U CN210391100U CN 210391100 U CN210391100 U CN 210391100U CN 201920976078 U CN201920976078 U CN 201920976078U CN 210391100 U CN210391100 U CN 210391100U
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Abstract
A parking control mechanism comprises an operating handle capable of rotating along a fixed shaft, a hydraulic oil cylinder, a hydraulic ejector rod and a parking switch mechanism, wherein a shifting device which rotates along with the rotation of the operating handle is arranged on the operating handle, and a spring mechanism is arranged on the hydraulic ejector rod; when the operating handle rotates to a parking releasing position, the first end of the toggle device extrudes the hydraulic ejector rod through the spring mechanism to drive the hydraulic ejector rod to do work in the hydraulic oil cylinder to generate hydraulic power, and the second end of the toggle device extrudes the driving switch mechanism to keep the driving switch mechanism in a non-output state; when the operating handle rotates to a starting parking position, the hydraulic ejector rod resets under the action of the spring mechanism, the hydraulic power disappears, and the second end of the toggle device leaves the driving switch mechanism to enable the toggle device to output a parking signal.
Description
Technical Field
The utility model relates to an electric vehicle field, more specifically say, relate to a parking operating mechanism, including this parking operating mechanism's parking operating system to and electric vehicle including this parking operating system.
Background
At present, the parking form of the mining explosion-proof trackless rubber-tyred vehicle generally adopts a safe failure type wet parking brake form, namely, when a hydraulic system fails, the parking brake is automatically locked. While actuating the parking brake usually uses a corresponding pressure of hydraulic oil. For a small vehicle with smaller weight, the hydraulic station system is equipped to not only greatly influence the weight of the whole vehicle, but also increase the cost and energy consumption of the whole vehicle. For electric vehicles, it is more important that the consumption of energy be reduced.
Secondly, the existing hydraulic parking control mechanism on the market generally adopts an operating handle form, and the operating process is that the operating handle is pulled up, then the hydraulic oil cylinder is pushed through the connecting rod mechanism, so that hydraulic power is generated to push the actuating mechanism to act and generate parking braking force. Therefore, it generates hydraulic power output when pulling the handle, and thus cannot be matched with a fail-safe type wet parking brake. Meanwhile, the hydraulic oil cylinder is easy to leak hydraulic oil in the long-time working process, so that the parking braking force is reduced.
Therefore, there is a need for a parking control mechanism that can be matched with a fail-safe wet brake design, can generate hydraulic power output when the operating handle is pulled up, and can generate hydraulic power output when the operating handle is pulled down, and can output stable hydraulic power for a long time to eliminate the influence of hydraulic cylinder leakage.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem lies in, to the above-mentioned defect of prior art, provides a parking operating device, including this parking operating device's parking operating system to and including this parking operating system's electric vehicle, can match the design of safe inefficacy type wet brake, can not have hydraulic power output under the condition of pull-up operating handle, and put down the handle and then produce hydraulic power output, can export stable hydraulic power for a long time simultaneously, eliminate the influence of pneumatic cylinder seepage.
The utility model provides a technical scheme that its technical problem adopted is: the parking control mechanism comprises an operating handle capable of rotating along a fixed shaft, a hydraulic oil cylinder, a hydraulic ejector rod and a driving switch mechanism, wherein a shifting device which rotates along with the rotation of the operating handle is arranged on the operating handle, and a spring mechanism is arranged on the hydraulic ejector rod; when the operating handle rotates to a parking releasing position, the first end of the toggle device extrudes the hydraulic ejector rod through the spring mechanism to drive the hydraulic ejector rod to do work in the hydraulic oil cylinder to generate hydraulic power, and the second end of the toggle device extrudes the driving switch mechanism to keep the driving switch mechanism in a non-output state; when the operating handle rotates to a starting parking position, the hydraulic ejector rod resets under the action of the spring mechanism, the hydraulic power disappears, and the second end of the toggle device leaves the driving switch mechanism to enable the toggle device to output a parking signal.
In the parking control mechanism, the spring mechanism is in including setting up receive on the hydraulic pressure ejector pin that toggle device's first end extruded fixed pin, cover are established spring on the hydraulic pressure ejector pin sets up the first spring holder and the second spring holder at spring both ends, and set up the both ends of hydraulic pressure ejector pin are in order spacing the stop nut of the relaxed state of spring.
The parking operating mechanism in the utility model, during the hydraulic cylinder oil leak, the spring offsets through the release compression energy as energy storage component hydraulic cylinder's infiltration.
In the parking operating mechanism of the present invention, the operating handle further comprises a position-limiting member disposed on the fixed shaft, the operating handle is disposed in a position-limiting manner on the fixed shaft, and the operating handle is disposed in a position-limiting manner on the ratchet mechanism.
In the parking operating mechanism of the present invention, the second end of the toggle device is provided with a counterweight bolt and a nut at a corresponding position on the opposite side of the driving switch mechanism.
The parking control mechanism of the utility model further comprises a mounting bottom plate, wherein the mounting bottom plate is provided with a mounting bracket, the hydraulic oil cylinder is arranged in the center of the first side of the mounting bracket, the operating handle is arranged at the second side of the mounting bracket, the driving switch mechanism is arranged below the mounting bottom plate, and the mounting bottom plate is provided with a channel for the turning device to pass through; and a protective cover plate is covered on the mounting bracket.
In the parking operating mechanism of the present invention, the hydraulic cylinder and the protective cover plate are fixed to the mounting bracket through the bolt fastening assembly, and the mounting bracket is further fixed to the mounting base plate through the bolt fastening assembly.
Among the parking operating mechanism, the bolt fastening subassembly is including the bolt, plain washer and spring washer and the nut that set gradually.
The utility model provides a another technical scheme that its technical problem adopted is, construct a parking operating system, including safe inefficacy type wet-type parking brake with parking operating mechanism.
The utility model provides a further technical scheme that its technical problem adopted is, construct an electric vehicle, include parking operating system.
The utility model discloses same toggle device has been utilized ingeniously, simultaneous control drive switch mechanism and hydraulic pressure ejector pin, it is in to play drive hydraulic pressure ejector pin through spring mechanism and toggle device work produces the effect of hydraulic power in the hydraulic cylinder to the realization produces hydraulic power when removing the parking position, and does not produce hydraulic power starting the parking position, and then do not produce hydraulic power when removing the parking position among the realization and the prior art, and the technical scheme opposite of the scheme that produces hydraulic power starting the parking position, and then realize the matching to fail safe type wet brake design, and carry out the energy storage through spring mechanism, can export stable hydraulic power for a long time, eliminate the influence of pneumatic cylinder seepage.
Drawings
The invention will be further explained with reference to the drawings and examples, wherein:
fig. 1 is a schematic structural view of a preferred embodiment of the parking operating mechanism of the present invention;
FIG. 2 is a side view of the park steering mechanism shown in FIG. 1;
fig. 3 is a cross-sectional view of yet another preferred embodiment of the parking control mechanism of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model relates to a parking control mechanism, which comprises an operating handle which can rotate along a fixed shaft, a hydraulic oil cylinder, a hydraulic ejector rod and a driving switch mechanism, wherein the operating handle is provided with a shifting device which rotates along with the rotation of the operating handle, and the hydraulic ejector rod is provided with a spring mechanism; when the operating handle rotates to a parking releasing position, the first end of the toggle device extrudes the hydraulic ejector rod through the spring mechanism to drive the hydraulic ejector rod to do work in the hydraulic oil cylinder to generate hydraulic power, and the second end of the toggle device extrudes the driving switch mechanism to keep the driving switch mechanism in a non-output state; when the operating handle rotates to a starting parking position, the hydraulic ejector rod resets under the action of the spring mechanism, the hydraulic power disappears, and the second end of the toggle device leaves the driving switch mechanism to enable the toggle device to output a parking signal. The utility model discloses same toggle device has been utilized ingeniously, simultaneous control drive switch mechanism and hydraulic pressure ejector pin, it is in to play drive hydraulic pressure ejector pin through spring mechanism and toggle device work produces the effect of hydraulic power in the hydraulic cylinder to the realization produces hydraulic power when removing the parking position, and does not produce hydraulic power starting the parking position, and then do not produce hydraulic power when removing the parking position among the realization and the prior art, and the technical scheme opposite of the scheme that produces hydraulic power starting the parking position, and then realize the matching to fail safe type wet brake design, and carry out the energy storage through spring mechanism, can export stable hydraulic power for a long time, eliminate the influence of pneumatic cylinder seepage.
Fig. 1 is a schematic structural view of a preferred embodiment of the parking control mechanism of the present invention. Fig. 2 is a side view of the parking operating mechanism shown in fig. 1. As shown in fig. 1-2, the parking operating mechanism of the present invention comprises an operating handle 80 capable of rotating along a fixed shaft, a hydraulic cylinder 20, a hydraulic ram 10, a spring mechanism 30, a toggle device 50, a mounting base plate 60, a protective cover plate 70, a mounting bracket 40 and a driving switch mechanism (not shown). As shown in fig. 1-2, the toggle mechanism 50 is provided on the operating handle 80 so as to be rotated in accordance with the rotation of the operating handle 40. The spring mechanism 30 is disposed on the hydraulic jack 10. The drive switch mechanism is disposed below the mounting base plate 60. When the operating handle 80 is rotated, the toggle mechanism 50 is also rotated. Thus, when the operating handle 40 is rotated to the parking releasing position (i.e. the horizontal position), the first end of the toggle device 50 presses the hydraulic push rod 10 through the spring mechanism 30 to drive the hydraulic push rod 10 to do work in the hydraulic oil cylinder 20 to generate hydraulic power. While the second end of the toggle device 50 presses the drive switch mechanism to maintain it in a no output state. At this time, the electric vehicle may be operated in the parking release state while generating the hydraulic power output. When the operating handle 80 is rotated to the parking starting position (i.e. rotated counterclockwise upward by a set angle), the hydraulic ram 10 is reset by the spring mechanism 30, the hydraulic power is removed, and the second end of the toggle device 50 is separated from the driving switch mechanism to output a parking signal. And an electric signal output by the drive switch mechanism is transmitted to a vehicle controller, so that a parking state is started.
In the embodiment shown in fig. 1, a mounting base plate 60 is provided and a mounting bracket 40 is provided above the mounting base plate 60 to secure the operating handle 80, hydraulic ram 20, hydraulic ram 10 to the mounting bracket 40, while a drive switch mechanism is provided below the mounting base plate 60 and a passage is provided in the mounting base plate through which the toggle mechanism 50 passes to facilitate actual assembly and operation. It will be appreciated by those skilled in the art that the mounting plate 60 and mounting bracket 40 may be replaced or omitted with other mechanical structures or may be constructed in any other manner.
Further, in the preferred embodiment of the present invention, the hydraulic ram 20, the hydraulic ram 10, the operating handle 80, the toggle mechanism 50 and the spring mechanism 30 may be constructed by using related devices known in the art.
Thus, the utility model discloses same toggle device has been utilized ingeniously, simultaneous control drive switch mechanism and hydraulic ram, it is in to play drive hydraulic ram through spring mechanism and toggle device work produces the effect of hydraulic power in the hydraulic cylinder to realize producing hydraulic power when removing the parking position, and do not produce hydraulic power starting the parking position, and then do not produce hydraulic power when removing the parking position among the realization and the prior art, and produce the opposite technical scheme of hydraulic power's scheme starting the parking position, and then realize the matching to fail safe type wet brake design, and carry out the energy storage through spring mechanism, can export stable hydraulic power for a long time, eliminate the influence of seepage pneumatic cylinder.
Fig. 3 is a cross-sectional view of yet another preferred embodiment of the parking control mechanism of the present invention. As shown in fig. 3, the parking operating mechanism of the present invention includes an operating handle 80 capable of rotating along a fixed shaft, a hydraulic cylinder 20, a hydraulic ram 10, a spring mechanism 30, a toggle device 50, a mounting base plate 60, a protective cover plate 70, a mounting bracket 40 and a driving switch mechanism 90. As shown in fig. 3, in a preferred embodiment of the present invention, the operating handle 80 includes a handle portion 81 rotating around a fixed shaft, a ratchet mechanism 82 provided on the fixed shaft to limit upward rotation of the handle portion 81, and a limit release device contacting the ratchet mechanism 82. As further shown in FIG. 3, the toggle mechanism 50 may be a paddle welded to the handle portion 81 that translates the force of rotation of the handle portion 81 into movement of the subsequent component. And the spring device pushes the hydraulic ram 10 to move by the power output by the toggle device 50. The spring mechanism 30 is also used as an energy storage element of power, and when the hydraulic oil cylinder 20 leaks, the energy is released to counteract the leakage of the hydraulic oil cylinder 20. The hydraulic mandril 10 is responsible for pushing the hydraulic oil cylinder 20 to work by the power output by the spring mechanism 30, thereby generating hydraulic power. When triggered, the drive switch mechanism 90 converts the parking operation into an electric signal and transmits the electric signal to the vehicle controller, thereby controlling the parking state.
With further reference to fig. 3, the spring mechanism 30 includes a fixing pin 31 disposed on the hydraulic prop 10 and pressed by the first end (upper end) of the toggle device 50, a spring 33 disposed on the hydraulic prop 10, a first spring seat 32 and a second spring seat 34 disposed at two ends of the spring 33, and limit nuts 36 and 35 disposed at two ends of the hydraulic prop 10 for limiting the releasing state of the spring. As shown in fig. 3, limit nuts 36 and 35 are respectively installed at left and right ends of the hydraulic jack 10, and the fixing pin 31, the first spring seat 32, and the second spring seat 34 are disposed between the limit nuts 36 and 35. The spring 33 is located between the two spring seats 32 and 34. With further reference to fig. 3, a counterweight bolt 51 and a nut 52 are provided at a corresponding position on a side of a second end (i.e., a lower end) of the toggle device 50 opposite to the drive switch mechanism 50.
As further shown in fig. 3, the mounting base plate 60 is provided with a mounting bracket 40. The hydraulic oil cylinder 20 is arranged in the center of a first side of the mounting bracket 40, and the operating handle 40 is arranged on a second side of the mounting bracket 40. A channel for the toggle device 50 to rotate and pass is arranged on the mounting base plate 60; a protective cover plate can be covered on the mounting bracket 40, so that people or objects are prevented from touching the moving structure, and the structure is prevented from being blocked or people are injured. As shown in FIG. 3, the hydraulic ram 20 and the protective cover plate are secured to the mounting bracket 40 by a bolt securing assembly 41, and the mounting bracket 40 is further secured to the mounting base plate 60 by a bolt securing assembly 42. The bolt fixing assemblies 41 and 42 respectively include a bolt and a nut which are sequentially provided. In the preferred embodiment of the present invention, the bolt fastening assemblies 41 and 42 respectively include a flat washer and a spring washer sequentially disposed between the bolt and the nut.
The principle of the present invention is described below with reference to fig. 3 as follows:
when the electric vehicle works in the parking releasing state, the handle part 81 is located at the initial position B, that is, is horizontally placed, at this time, the handle part 81 presses the fixing pin 31 and the first spring seat 32 through the upper end of the toggle device 50, and the first spring seat 32 further presses the spring 33, so that the spring 33 is deformed, and the deformed spring pushes the hydraulic push rod 100 through the second spring seat 34 to drive the hydraulic push rod 10 to do work in the hydraulic oil cylinder 20 to generate hydraulic power. While at the same time the second end of the toggle device 50 presses the drive switch mechanism 70 to maintain it in a no output state.
When electric vehicle work started the parking state, pull up handle portion 81, handle portion 81 drives this moment toggle 50 clockwise turning to drive fixed pin 31 and first spring holder 32 and outwards move, spring 33 resets, when spring 33 resets to a certain extent, will receive spacing of stop nut 36 and 35, stop resetting. At this time, the spring 33 will move together with the hydraulic ram 10, the hydraulic ram 20 will also return, and the hydraulic power will disappear. Meanwhile, due to the rotation of the toggle device 50, the second end of the toggle device 50 leaves the driving switch mechanism 70, and the driving switch mechanism 70 is closed and switched on to output a parking signal. Further, since the ratchet mechanism 82 is provided, when the handle portion 81 is pulled up to a certain limit, it cannot be pulled up to maintain the pulled-up state. When a subsequent operation is required, a limit release means, such as a control button, provided on the handle portion 81, for example, can be pressed to contact the limit of the ratchet mechanism 82, thereby releasing the handle portion. During the lowering of handle portion 81, it is necessary to exert a force to push hydraulic cylinder 20 into operation, which requires a force.
Further, because the utility model discloses in, it drives hydraulic ejector pin 10 through spring 33, thereby drive hydraulic cylinder 20 work, spring 33 has played an energy storage and energy transmission's effect, at initial condition, spring 33 compressive deformation, thereby it promotes hydraulic cylinder 20 and produces hydraulic power to promote hydraulic ejector pin 10, in the long-time course of work of hydraulic cylinder 20, the phenomenon that certain seepage leads to the hydraulic power of output to weaken can appear, spring 33 can through the release compression this moment, hydraulic cylinder 20's seepage has been offset, thereby guarantee hydraulic cylinder 20 and export stable hydraulic power for a long time.
The utility model discloses same toggle device has been utilized ingeniously, simultaneous control drive switch mechanism and hydraulic pressure ejector pin, it is in to play drive hydraulic pressure ejector pin through spring mechanism and toggle device work produces the effect of hydraulic power in the hydraulic cylinder to the realization produces hydraulic power when removing the parking position, and does not produce hydraulic power starting the parking position, and then do not produce hydraulic power when removing the parking position among the realization and the prior art, and the technical scheme opposite of the scheme that produces hydraulic power starting the parking position, and then realize the matching to fail safe type wet brake design, and carry out the energy storage through spring mechanism, can export stable hydraulic power for a long time, eliminate the influence of pneumatic cylinder seepage.
The utility model discloses still relate to a parking operating system, including safe inefficacy type wet-type parking brake with parking operating mechanism. It is known to those skilled in the art that the fail-safe type wet parking brake may employ any fail-safe type wet parking brake known in the art, which automatically locks when a hydraulic system thereof fails.
The utility model discloses still relate to an electric vehicle, include parking operating system. The rest of the electric vehicle can be constructed on the basis of the prior art and will not be described again here.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A parking control mechanism is characterized by comprising an operating handle capable of rotating along a fixed shaft, a hydraulic oil cylinder, a hydraulic ejector rod and a driving switch mechanism, wherein a shifting device which rotates along with the rotation of the operating handle is arranged on the operating handle, and a spring mechanism is arranged on the hydraulic ejector rod; when the operating handle rotates to a parking releasing position, the first end of the toggle device extrudes the hydraulic ejector rod through the spring mechanism to drive the hydraulic ejector rod to do work in the hydraulic oil cylinder to generate hydraulic power, and the second end of the toggle device extrudes the driving switch mechanism to keep the driving switch mechanism in a non-output state; when the operating handle rotates to a starting parking position, the hydraulic ejector rod resets under the action of the spring mechanism, the hydraulic power disappears, and the second end of the toggle device leaves the driving switch mechanism to enable the toggle device to output a parking signal.
2. The parking control mechanism according to claim 1, wherein the spring mechanism comprises a fixed pin disposed on the hydraulic ejector rod and pressed by the first end of the toggle device, a spring sleeved on the hydraulic ejector rod, a first spring seat and a second spring seat disposed at two ends of the spring, and a stop nut disposed at two ends of the hydraulic ejector rod for limiting the relaxed state of the spring.
3. The parking steering mechanism of claim 2, wherein the spring acts as an energy storage element to counteract penetration of the hydraulic ram by releasing compressive energy in the event of oil leakage from the hydraulic ram.
4. The parking manipulation mechanism according to any one of claims 1 to 3, wherein the operating handle further includes a ratchet mechanism provided on the fixed shaft to limit upward rotation of the operating handle and a limit release means contacting a limit of the ratchet mechanism.
5. The parking operating mechanism according to claim 4, wherein a counterweight bolt and a nut are provided at a corresponding position of a side of the second end of the toggle device opposite to the drive switch mechanism.
6. The parking control mechanism according to claim 5, further comprising a mounting base plate, wherein a mounting bracket is arranged on the mounting base plate, the hydraulic oil cylinder is arranged in the center of a first side of the mounting bracket, the operating handle is arranged on a second side of the mounting bracket, the driving switch mechanism is arranged below the mounting base plate, and a channel for the toggle device to rotate and pass through is arranged on the mounting base plate; and a protective cover plate is covered on the mounting bracket.
7. The parking steering mechanism of claim 6, wherein the hydraulic ram and the shield cover are secured to the mounting bracket by a bolt securing assembly, and the mounting bracket is further secured to the mounting baseplate by a bolt securing assembly.
8. The parking steering mechanism of claim 7, wherein the bolt securing assembly comprises a bolt, a flat washer and a spring washer and nut arranged in sequence.
9. A parking control system, characterized by comprising a fail-safe wet parking brake and a parking control mechanism according to any one of claims 1 to 8.
10. An electric vehicle characterized by comprising the parking maneuver system according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920976078.5U CN210391100U (en) | 2019-06-25 | 2019-06-25 | Parking control mechanism and system and electric vehicle thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920976078.5U CN210391100U (en) | 2019-06-25 | 2019-06-25 | Parking control mechanism and system and electric vehicle thereof |
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| Publication Number | Publication Date |
|---|---|
| CN210391100U true CN210391100U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920976078.5U Active CN210391100U (en) | 2019-06-25 | 2019-06-25 | Parking control mechanism and system and electric vehicle thereof |
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| Country | Link |
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| CN (1) | CN210391100U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112758064A (en) * | 2021-01-27 | 2021-05-07 | 淄博爱科工矿机械有限公司 | Parking brake hydraulic device of explosion-proof trackless rubber-tyred vehicle |
-
2019
- 2019-06-25 CN CN201920976078.5U patent/CN210391100U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112758064A (en) * | 2021-01-27 | 2021-05-07 | 淄博爱科工矿机械有限公司 | Parking brake hydraulic device of explosion-proof trackless rubber-tyred vehicle |
| CN112758064B (en) * | 2021-01-27 | 2022-02-25 | 淄博爱科工矿机械有限公司 | Parking brake hydraulic device of explosion-proof trackless rubber-tyred vehicle |
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Address after: 518000 101, 301, building 1, No.1, rongshou Road, Shatian community, Kengzi street, Pingshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen deta Industrial Intelligent Electric Vehicle Co., Ltd Address before: 518000 Guangdong province Shenzhen City Pingshan Kengzi streets rongshou Ludeta high-tech factory 1 layer Patentee before: DELTA INDUSTRIAL EXPLOSION-PROOF ELECTRIC VEHICLE Co.,Ltd. |
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| CP03 | "change of name, title or address" |