CN216833600U - Electro-hydraulic composite brake valve pedal upper assembly - Google Patents
Electro-hydraulic composite brake valve pedal upper assembly Download PDFInfo
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- CN216833600U CN216833600U CN202220402913.6U CN202220402913U CN216833600U CN 216833600 U CN216833600 U CN 216833600U CN 202220402913 U CN202220402913 U CN 202220402913U CN 216833600 U CN216833600 U CN 216833600U
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- footboard
- pedal
- angle sensor
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Abstract
The utility model discloses an electricity liquid composite brake valve footboard facial make-up, including base, footboard, pivot, torsional spring, round pin axle, angle sensor and micro-gap switch, be equipped with the through-hole that hydraulic power brake valve body upper end passed through on the base, the pivot is passed through the footboard and is with footboard rigid coupling, the footboard rotates with the base through the pivot and is connected, the torsional spring housing is located outside the pivot and two free ends of torsional spring respectively with base and footboard butt, the round pin axle rotates with the footboard to be connected and can be down with hydraulic power brake valve body upper end butt, angle sensor locates the rotation angle that is used for discerning the pivot on the base, when the pivot is rotatory, angle sensor can send signal to the controller; the microswitch is arranged on the base, the driving rod of the microswitch is upwards abutted against the peripheral surface of the pin shaft, and when the position of the pin shaft changes, the microswitch can send a signal to the controller. The utility model discloses rational in infrastructure, braking effect is good, is favorable to improving the degree of automation of brake valve.
Description
Technical Field
The utility model relates to a hydraulic engineering technical field specifically is an electricity liquid composite brake valve footboard facial make-up.
Background
At present, with the upgrading and the reconstruction of a brake system and the improvement of a manufacturing level, an electro-hydraulic composite brake system is adopted to become the development direction of a wheel type engineering machinery brake system in future. The electro-hydraulic compound brake valve is an important component in a brake system, generally comprises a pedal upper mounting part and an electro-hydraulic compound brake valve body, and the existing pedal upper mounting part is single in function, unsatisfactory in brake effect and incapable of well meeting use requirements.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an electricity liquid composite brake valve footboard facial make-up, it has solved among the prior art footboard facial make-up function singleness, and brake valve degree of automation can not satisfy user demand's technical problem, has rational in infrastructure, braking effect is good, is favorable to improving the technological effect of the degree of automation of brake valve. The adopted technical scheme is as follows:
an electro-hydraulic composite brake valve pedal upper assembly comprises a base, a pedal, a rotating shaft, a torsional spring, a pin shaft, an angle sensor and a microswitch, wherein the base is provided with a through hole for the upper end of a valve body of a hydraulic power brake valve to penetrate through, the rotating shaft penetrates through the pedal and is fixedly connected with the pedal, the pedal is rotatably connected with the base through the rotating shaft, the torsional spring is sleeved outside the rotating shaft, two free ends of the torsional spring are respectively abutted against the base and the pedal, the pin shaft is rotatably connected with the pedal and can be downwardly abutted against the upper end of the valve body of the hydraulic power brake valve, the angle sensor is arranged on the base and is used for identifying the rotating angle of the rotating shaft, and when the rotating shaft rotates, the angle sensor can send a signal to a controller; the microswitch is arranged on the base, the driving rod of the microswitch is upwards abutted against the peripheral surface of the pin shaft, and when the position of the pin shaft changes, the microswitch can send a signal to the controller.
On the basis of the technical scheme, a roller is sleeved at the position, abutted against the upper end of the valve body of the hydraulic power brake valve, of the pin shaft, and the roller is rotationally connected with the pin shaft.
On the basis of the technical scheme, the pedal positioning device further comprises a positioning bolt and a positioning nut, wherein the positioning bolt penetrates through the base and is in threaded connection with the positioning nut, and the positioning bolt is upwards abutted against the bottom end of the pedal to limit the starting position of the pedal.
On the basis of the technical scheme, the rotary angle sensor further comprises a sensor shield, the sensor shield is arranged on the base and covers the angle sensor, the angle sensor is a Hall angle sensor, and one end of the rotating shaft can extend into the Hall angle sensor and can transmit rotary motion to the input end of the Hall angle sensor.
On the basis of the technical scheme, the novel microswitch is characterized by further comprising an L-shaped guard plate, wherein the L-shaped guard plate is arranged on the base, and the microswitch is installed on the base through the L-shaped guard plate.
On the basis of the technical scheme, the pedal comprises an upper plate, anti-skid grains are arranged on the top surface of the upper plate, two side plates are connected to the bottom surface of the upper plate, and a first through hole for the rotating shaft to penetrate through and a second through hole for the pin shaft to penetrate through are formed in each side plate.
On the basis of the technical scheme, the rotating shaft is provided with an annular groove corresponding to the position of the side plate, and a jackscrew penetrates through the side plate and is abutted against the bottom surface of the annular groove to fix the pedal and the rotating shaft.
On the basis of the technical scheme, the section of the annular groove is V-shaped, and the tail end of the jackscrew is conical and matched with the annular groove.
On the basis of the technical scheme, the base is a casting part and is made of steel or aluminum; the footboard is the casting, just the footboard is the aluminum product.
On the basis of the technical scheme, the hydraulic power brake valve is a single-loop hydraulic power brake valve or a double-loop hydraulic power brake valve.
Advantageous effects
The utility model has reasonable structure, when the driver steps on the pedal to rotate the rotating shaft, the rotating shaft can transmit the rotating motion to the angle sensor, the angle sensor can send a signal to the controller, the clutch can be accurately, timely and smoothly combined and separated, the braking effect is good, and the maximum protection can be provided for the transmission system; in addition, the pedal can drive the pin shaft to rotate around the rotating shaft when rotating, the pin shaft is abutted against the driving rod of the microswitch, and the pin shaft can drive the microswitch to act when rotating around the rotating shaft so as to start the gear disengaging function of the gearbox, so that the vehicle loses power and the braking is more facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawing in the following description is only an embodiment of the invention, and that for a person skilled in the art, other embodiments can be derived from the drawing provided without inventive effort.
FIG. 1: the three-dimensional structure of the utility model is shown schematically;
FIG. 2: the side view of the utility model is a schematic structural diagram;
FIG. 3: a schematic perspective structure of the base;
FIG. 4: a schematic three-dimensional structure of the rotating shaft;
FIG. 5: a schematic perspective structure diagram of the angle sensor;
FIG. 6: the working principle of the utility model is shown schematically;
Detailed Description
The invention will be further described with reference to the following figures and examples:
reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
As shown in figures 1-6, an electricity-liquid composite brake valve footboard facial make-up, including base 1, footboard 2, pivot 3, torsional spring, round pin axle 5, angle sensor 6 and micro-gap switch 7, be equipped with the through-hole that supplies hydraulic power brake valve body upper end to wear through on the base 1, footboard 2 includes upper plate 21, upper plate 21 top surface is equipped with anti-skidding line, upper plate 21 bottom surface is connected with both sides board 22, be equipped with the first through-hole that supplies pivot 3 to wear through and the second through-hole that supplies round pin axle 5 to wear through on the curb plate 22, first through-hole axis is parallel with the axis of second through-hole.
As shown in fig. 4, the rotating shaft 3 penetrates through the first through hole on the pedal 2 and is fixedly connected with the pedal 2, specifically, the rotating shaft 3 is provided with an annular groove 31 corresponding to the position of the side plate, a jackscrew penetrates through the side plate 22 and abuts against the bottom surface of the annular groove 31 to fix the pedal 2 and the rotating shaft 3, the cross section of the annular groove 31 is V-shaped, and the jackscrew is a conical end set screw matched with the annular groove 31.
In addition, the base 1 is a casting, and the base 1 is made of aluminum; the pedal 2 is a casting, and the pedal 2 is made of aluminum.
As shown in fig. 3, two rib plates 102 are oppositely arranged on the base 1, two side plates 22 are arranged between the two rib plates 102, two ends of the rotating shaft 3 respectively penetrate through the rib plates 102 and are rotatably connected with the rib plates 102, a copper sleeve is sleeved at the position where the rib plates 102 are rotatably connected with the rotating shaft 3, the rotating shaft 3 is sleeved in the torsion spring, and two free ends of the torsion spring are respectively abutted to the base 1 and the pedal 2. The two ends of the pin shaft 5 penetrate through the second through hole in the side plate 22 and are rotatably connected with the second through hole, the pin shaft 5 can be downwards abutted against the upper end of the hydraulic power brake valve body, the roller 8 is sleeved at the position, abutted against the upper end of the hydraulic power brake valve body, of the pin shaft 5, the roller 8 is rotatably connected with the pin shaft 5 through a bearing, the pin shaft 5 can be effectively protected from being abraded due to the arrangement of the roller 8, the roller 8 can be freely rotated due to the arrangement of the bearing, and the reduction of equipment failure risks is facilitated. Still include positioning bolt and set nut 9, positioning bolt wears through base 1 and set nut 9 spiro union, just positioning bolt upwards with the starting position of 2 bottom butts of footboard 2 with spacing footboard.
As shown in fig. 3 to 5, the angle sensor 6 is disposed on the base 1 and used for identifying the rotation angle of the rotating shaft 3, when the rotating shaft 3 rotates, the angle sensor 6 can send a signal to the controller, the controller can control the clutch to be accurately, timely and smoothly combined and separated, the braking effect is good, and the maximum protection can be provided for the transmission system; the angle sensor 6 is a hall angle sensor, and in this embodiment, the hall angle sensor based on the hall effect is a sensita (sendata) hall angle sensor of 9960 model. In addition, the device also comprises a sensor shield 10, wherein the sensor shield 10 is arranged on the base 1 and covers the angle sensor 6.
One end of the rotating shaft 3 can extend into the Hall angle sensor and can transmit the rotating motion to the input end of the Hall angle sensor.
The microswitch 7 is arranged on the base 1, the driving rod of the microswitch 7 is upwards abutted against the outer peripheral surface of the pin shaft 5, when the pin shaft 5 changes in position, the microswitch 7 can send a signal to the controller, and the controller can start the gear shifting function of the gearbox, so that the vehicle loses power and braking is facilitated. The novel switch is characterized by further comprising an L-shaped guard plate 11, wherein the L-shaped guard plate 11 is arranged on the base 1, and the micro switch 7 is installed on the base 1 through the L-shaped guard plate 11. In this embodiment, the microswitch 7 is an ohm dragon, a microswitch with model number D3M-01.
The hydraulic power brake valve is a single-loop hydraulic power brake valve or a double-loop hydraulic power brake valve. The single-circuit hydraulic brake valve or the double-circuit hydraulic brake valve is prior art, and is not described herein again, and the brake valve in this embodiment is a single-circuit hydraulic brake valve, as shown in the patent with application number CN202122216545.4 named as a single-circuit hydraulic power brake valve. In other embodiments of the present invention, the hydraulic power brake valve is a dual circuit hydraulic brake valve as shown in application No. CN202122223745.2 entitled a tandem dual circuit brake valve.
Working process
When a driver does not step on the pedal, the pressure oil port P is not communicated, and the brake oil port B is communicated with the oil tank oil port T; when the pedal is stepped to a certain angle, the rotating shaft can transmit the rotating motion to the angle sensor, the angle sensor can send a signal to the controller, the clutch can be accurately, timely and smoothly combined and separated, the braking effect is good, and the maximum protection can be provided for a transmission system; in addition, the pedal can drive the pin shaft to rotate around the rotating shaft when rotating, the pin shaft is abutted against the driving rod of the microswitch, and the microswitch can be driven to act when the pin shaft rotates around the rotating shaft so as to start the gear shifting function of the gearbox, so that the vehicle loses power and is more favorable for braking.
The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.
Claims (10)
1. The utility model provides an electricity liquid composite brake valve footboard facial make-up, its characterized in that includes base (1), footboard (2), pivot (3), torsional spring, round pin axle (5), angle sensor (6) and micro-gap switch (7), be equipped with the through-hole that passes through for hydraulic dynamic brake valve body upper end on base (1), pivot (3) are passed through footboard (2) and with footboard (2) rigid coupling, footboard (2) rotate with base (1) through pivot (3) and are connected, the torsional spring housing is located pivot (3) outer and the both free ends of torsional spring respectively with base (1) and footboard (2) butt, round pin axle (5) rotate with footboard (2) and be connected and can be downwards with hydraulic dynamic brake valve body upper end butt, angle sensor (6) are located the rotation angle that is used for discerning pivot (3) on base (1), when pivot (3) are rotatory, the angle sensor (6) can send signals to the controller; the microswitch (7) is arranged on the base (1), the driving rod of the microswitch (7) is upwards abutted against the peripheral surface of the pin shaft (5), and when the position of the pin shaft (5) changes, the microswitch (7) can send an electric signal to the controller.
2. The electro-hydraulic compound brake valve pedal upper assembly according to claim 1, characterized in that a roller (8) is sleeved on the position, abutted against the upper end of the hydraulic power brake valve body, of the pin shaft (5), and the roller (8) is rotatably connected with the pin shaft (5).
3. The electro-hydraulic compound brake valve pedal upper assembly according to claim 1 or 2, further comprising a positioning bolt and a positioning nut (9), wherein the positioning bolt penetrates through the base and is in threaded connection with the positioning nut (9), and the positioning bolt is upwards abutted against the bottom end of the pedal to limit the starting position of the pedal.
4. The electro-hydraulic compound brake valve pedal upper assembly according to claim 3, characterized by further comprising a sensor shield (10), wherein the sensor shield (10) is arranged on the base (1) and covers the angle sensor (6), the angle sensor (6) is a Hall angle sensor, and one end of the rotating shaft (3) can extend into the Hall angle sensor and can transmit rotary motion to the input end of the Hall angle sensor.
5. The electro-hydraulic compound brake valve pedal upper assembly according to claim 3, characterized by further comprising an L-shaped guard plate (11), wherein the L-shaped guard plate (11) is arranged on the base (1), and the microswitch (7) is arranged on the base (1) through the L-shaped guard plate (11).
6. The electro-hydraulic compound brake valve pedal upper assembly according to claim 3, characterized in that the pedal (2) comprises an upper plate (21), anti-skid grains are arranged on the top surface of the upper plate (21), two side plates (22) are connected to the bottom surface of the upper plate (21), and a first through hole for the rotating shaft (3) to pass through and a second through hole for the pin shaft (5) to pass through are formed in the side plates (22).
7. The electro-hydraulic compound brake valve pedal upper assembly according to claim 6, characterized in that the rotating shaft (3) is provided with an annular groove (31) corresponding to the position of the side plate (22), and a jackscrew penetrates through the side plate (22) and abuts against the bottom surface of the annular groove (31) to fix the pedal (2) and the rotating shaft (3).
8. The electro-hydraulic compound brake valve pedal upper assembly as defined in claim 7, wherein the section of the annular groove (31) is V-shaped, and the tail end of the jackscrew is tapered to match with the annular groove (31).
9. The electro-hydraulic compound brake valve pedal upper assembly according to any one of claims 4 to 8, characterized in that the base (1) is a casting, and the base (1) is made of steel or aluminum; the pedal (2) is a casting part, and the pedal (2) is made of aluminum materials.
10. The electro-hydraulic compound brake valve pedal facial make-up of claim 9, characterized in that the hydraulic power brake valve is a single circuit hydraulic power brake valve or a dual circuit hydraulic power brake valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220402913.6U CN216833600U (en) | 2022-02-25 | 2022-02-25 | Electro-hydraulic composite brake valve pedal upper assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220402913.6U CN216833600U (en) | 2022-02-25 | 2022-02-25 | Electro-hydraulic composite brake valve pedal upper assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216833600U true CN216833600U (en) | 2022-06-28 |
Family
ID=82093158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220402913.6U Active CN216833600U (en) | 2022-02-25 | 2022-02-25 | Electro-hydraulic composite brake valve pedal upper assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216833600U (en) |
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2022
- 2022-02-25 CN CN202220402913.6U patent/CN216833600U/en active Active
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