CN212796840U - Device capable of independently adjusting braking air pressure of axle - Google Patents

Device capable of independently adjusting braking air pressure of axle Download PDF

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Publication number
CN212796840U
CN212796840U CN202020825304.2U CN202020825304U CN212796840U CN 212796840 U CN212796840 U CN 212796840U CN 202020825304 U CN202020825304 U CN 202020825304U CN 212796840 U CN212796840 U CN 212796840U
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air pressure
adjusting
bracket
swing
adjusting screw
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CN202020825304.2U
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Chinese (zh)
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代新鹏
尹文杰
叶智博
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Shaanxi Heavy Duty Automobile Co Ltd
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Shaanxi Heavy Duty Automobile Co Ltd
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Abstract

The utility model relates to the technical field of automobile braking, in particular to a device capable of independently adjusting the braking air pressure of an axle, which comprises a bracket, an air pressure adjusting valve, an adjusting nut and an adjusting screw rod; the bracket is fixedly connected with a frame of the vehicle; the air pressure regulating valve is fixedly connected to the bracket, and a swing rod for regulating air pressure is arranged on the air pressure regulating valve; the adjusting screw rod is axially and slidably connected to the bracket, the lower end of the adjusting screw rod is slidably connected with the swing rod, and the swing rod can axially slide relative to the adjusting screw rod along the axial direction of the swing rod; the adjusting nut is in threaded connection with the adjusting screw rod and is positioned above the bracket; the adjusting screw rod can move up and down by rotating the adjusting nut, and then the oscillating bar is driven to swing so as to adjust the braking air pressure. The device has simple structure and operation, unlimited installation position and stable and reliable air pressure after adjustment.

Description

Device capable of independently adjusting braking air pressure of axle
Technical Field
The utility model relates to an automobile brake technical field, concretely relates to device that can independently adjust axletree braking atmospheric pressure.
Background
The problem of how to maintain the braking stability of heavy vehicles (in particular motor vehicles) using pneumatic braking, i.e. without deviating from a certain direction of travel during braking, is of great importance and complexity. The conventional air pressure brake pipeline does not respectively adjust the brake air pressure of each axle of the automobile, so that various unstable phenomena such as tail flicking, steering loss and the like occur in the automobile braking under certain road conditions and automobile speeds, and even dangerous working conditions such as folding, jumping and the like occur in certain automobile trains during braking, and therefore the brake air pressure and the brake strength of each axle need to be independently adjusted.
In view of the above problems, the inventor of the present invention has finally obtained the present invention through long-term research and practice.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a but device of independent adjustment axletree braking atmospheric pressure, its air brake pipeline that can insert the vehicle adjusts certain axletree atmospheric pressure value of car alone to the problem of various unstable phenomena appears when solving the automobile braking.
The utility model discloses a technical scheme lie in:
a device capable of independently adjusting the braking air pressure of an axle comprises a bracket, an air pressure adjusting valve, an adjusting nut and an adjusting screw rod;
the bracket is fixedly connected with a frame of a vehicle;
the air pressure regulating valve is fixedly connected to the bracket, and a swing rod for regulating air pressure is arranged on the air pressure regulating valve;
the adjusting screw rod is axially and slidably connected to the bracket, the lower end of the adjusting screw rod is slidably connected with the swing rod, and the swing rod can axially slide relative to the adjusting screw rod along the axial direction of the swing rod;
the adjusting nut is in threaded connection with the adjusting screw rod and is positioned above the bracket;
the adjusting screw rod can move up and down by rotating the adjusting nut, and then the oscillating rod is driven to swing so as to adjust the air pressure of the air pressure adjusting valve.
Further, the device also comprises a locking nut, wherein the locking nut is in threaded connection with the adjusting screw rod, and the locking nut is positioned below the support.
Furthermore, the device also comprises a connecting plate, the connecting plate is fixedly connected with the lower end of the adjusting screw rod, a through hole is formed in the connecting plate, and the adjusting screw rod penetrates through the through hole and is in clearance fit with the through hole.
Furthermore, a screw mounting hole is formed in the support, and the adjusting screw penetrates through the screw mounting hole.
Further, the bracket is of a plate-shaped structure, and the longitudinal section of the bracket is Z-shaped.
Furthermore, one end of the support is fixedly connected with a frame of a vehicle through bolts, and the other end of the support is provided with the screw mounting hole.
Further, the air pressure adjusting valve and the support are fixedly connected through bolts.
Further, the swing rod can rotate by taking the connection position of the swing rod and the air pressure adjusting valve as a center.
Further, the extreme position of the upward swing of the swing link is a position where it is rotated upward (counterclockwise) by 25 ° from the axial horizontal position, and the extreme position of the downward swing of the swing link is a position where it is rotated downward (clockwise) by 60 ° from the axial horizontal position.
Further, the initial adjustment reference position of the swing lever is a position where it is turned downward (clockwise) by 15 ° from the axial horizontal position, and the air pressure of the air pressure adjusting valve is at a minimum value when the swing lever is at the initial adjustment reference position.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a but device of independent adjustment axletree braking atmospheric pressure, its air brake pipeline that can insert the vehicle adjusts a certain axle atmospheric pressure value of car alone, can play important role in solving the unstable phenomenon of braking, and it is big (from 150KPa to 750KPa) to compare the atmospheric pressure adjustment range that relief pressure valve, the air-vent valve etc. that the tradition adopted have, easy operation, and the mounted position is unrestricted, advantages such as adjustment back atmospheric pressure reliable and stable.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a device for independently adjusting the braking air pressure of an axle according to an embodiment of the present invention;
fig. 2 is a graph showing the effect of air pressure adjustment of the device for independently adjusting the braking air pressure of the axle according to an embodiment of the present invention.
Detailed Description
The above and further features and advantages of the present invention will be described in more detail below with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present invention, 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.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
As shown in fig. 1, in the present embodiment, the device capable of independently adjusting the braking air pressure of the axle includes a bracket 1, an air pressure adjusting valve 2, an adjusting nut 3, and an adjusting screw 5. The bracket 1 is mounted on the vehicle frame near the axle whose air pressure needs to be adjusted. The air pressure regulating valve 2 is fixedly connected to the bracket 1, and the air pressure regulating valve 2 is provided with a swing rod 7; the lower end of the adjusting screw 5 is connected with a swing rod 7 in a sliding manner, and the swing rod 7 can slide relative to the adjusting screw 5 along the axial direction of the swing rod 7; the adjusting nut 3 is in threaded connection with the adjusting screw rod 5, and the adjusting nut 3 is located above the support 1. The air pressure regulating valve 2 is connected to a brake air passage corresponding to the axle whose air pressure needs to be regulated. Preferably, the adjusting nut 3 is a hexagonal flange nut. The adjusting nut 3 is rotated clockwise, so that the adjusting screw 5 moves upwards, the swing rod 7 swings upwards, and the braking air pressure tends to rise; and the adjusting nut 3 is rotated anticlockwise, so that the adjusting screw 5 moves downwards, the swing rod 7 swings downwards, and the braking air pressure is in a decreasing trend.
In a preferred embodiment, the device for independently adjusting the braking air pressure of the axle further comprises a lock nut 4, the lock nut 4 is in threaded connection with the adjusting screw 5, and the lock nut 4 is positioned below the bracket 1. When the air pressure is adjusted, the locking nut 4 is firstly far away from the support 1, after the adjusting nut 3 is screwed to adjust the position of the adjusting screw 5, the locking nut 4 is screwed to be screwed towards the support 1, and the position of the adjusting screw 5 is locked. The stability of the air pressure is ensured. The lock nut 4 may be a hexagonal nut.
In a specific embodiment, the lower end of the adjusting screw 5 is fixedly connected with a connecting plate 6, the connecting plate is provided with a through hole, and the adjusting screw 5 passes through the through hole and is in clearance fit with the through hole. Preferably, the through hole is a long hole, and the length of the through hole extends along the vertical direction of the through hole, so that the swing of the swing rod 7 is smoother and more flexible.
In a more specific embodiment, the bracket 1 is a bent steel plate Z-shaped structural member, a mounting hole for an air pressure adjusting valve is formed in the middle of the bracket, a mounting hole for a frame is formed at the left end of the bracket, and a mounting hole for a screw is formed at the right end of the bracket. The end of the air pressure adjusting valve 2 is inserted through the air pressure adjusting valve mounting hole and fixed to the bracket 1 by a bolt. The frame mounting hole corresponds to the frame and is fixed by a bolt. The adjusting screw 5 passes through the screw mounting hole and is in clearance fit with the screw mounting hole, so that the adjusting screw can axially move up and down. The swing lever 7 can rotate about the joint with the air pressure adjusting valve 2. The extreme position a of the upward swing of the swing link 7 is a position where it is rotated upward (counterclockwise) by 25 ° from the axial horizontal position B, and the extreme position D of the downward swing link 7 is a position where it is rotated downward (clockwise) by 60 ° from the axial horizontal position B. The initial adjustment reference position C of the rocker 7 is a position where it is turned 15 ° downward (clockwise) from the axial horizontal position, and the air pressure of the air pressure adjusting valve is at a minimum value when the rocker is at this initial adjustment reference position C.
In a typical embodiment, fig. 2 is a graph illustrating the air pressure adjusting effect in the present embodiment, when the air pressure needs to be adjusted, a corresponding swing link angle may be selected from fig. 2 according to the actual required air pressure, and then the adjusting nut 3 is screwed to adjust, and the locking nut 4 is used to cure the state after the adjustment is completed. The initial adjustment reference position C of the rocker 7 corresponds to the position of 0 ° in fig. 2.
The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative, not limiting. The utility model discloses in all can change to some extent structure and connected mode etc. of each part all be in the utility model discloses equal transform and the improvement of going on technical scheme's the basis all should not get rid of the utility model discloses an outside the protection scope.

Claims (10)

1. A device capable of independently adjusting the braking air pressure of an axle is characterized by comprising a bracket, an air pressure adjusting valve, an adjusting nut and an adjusting screw rod;
the bracket is fixedly connected with a frame of a vehicle;
the air pressure regulating valve is fixedly connected to the bracket, and a swing rod for regulating air pressure is arranged on the air pressure regulating valve;
the adjusting screw rod is axially and slidably connected to the bracket, the lower end of the adjusting screw rod is slidably connected with the swing rod, and the swing rod can axially slide relative to the adjusting screw rod along the axial direction of the swing rod;
the adjusting nut is in threaded connection with the adjusting screw rod and is positioned above the bracket;
the adjusting screw rod can move up and down by rotating the adjusting nut, and then the oscillating rod is driven to swing so as to adjust the air pressure of the air pressure adjusting valve.
2. The apparatus for independently adjusting brake pressure on an axle according to claim 1, further comprising a lock nut threadedly coupled to said adjustment screw, said lock nut being positioned below said bracket.
3. The apparatus for independently adjusting brake pressure of an axle according to any one of claims 1 or 2, further comprising a connecting plate fixedly connected to a lower end of the adjusting screw, the connecting plate having a through hole, the adjusting screw passing through the through hole and being in clearance fit therewith.
4. The apparatus for independently adjusting brake pressure on an axle according to claim 1, wherein said bracket has a screw mounting hole through which said adjustment screw passes.
5. The apparatus for independently adjusting brake pressure for an axle according to claim 4, wherein the bracket has a plate-like structure having a longitudinal section of "Z" shape.
6. The apparatus for independently adjusting brake pressure for an axle according to claim 5, wherein one end of the bracket is fixedly connected to a frame of a vehicle by bolts, and the other end is provided with the screw mounting hole.
7. The apparatus for independently adjusting axle brake pressures of claim 1 wherein said air pressure adjustment valve is bolted to said bracket.
8. The apparatus for independently adjusting brake pressure on an axle according to claim 1, wherein the swing lever is rotatable about a connection point with the air pressure adjusting valve.
9. The apparatus for independently adjusting brake pressure of an axle according to claim 8, wherein the extreme position of upward swing of the swing lever is a position rotated 25 ° upward from the axial horizontal position, i.e., counterclockwise, and the extreme position of downward swing of the swing lever is a position rotated 60 ° downward from the axial horizontal position, i.e., clockwise 60 °.
10. The apparatus for independently adjusting brake pressure of an axle according to claim 1, wherein the initial adjustment reference position of the swing lever is a position rotated 15 ° downward from the axial horizontal position, i.e., rotated 15 ° clockwise, and the air pressure of the air pressure adjusting valve is at a minimum value when the swing lever is at the initial adjustment reference position.
CN202020825304.2U 2020-05-18 2020-05-18 Device capable of independently adjusting braking air pressure of axle Active CN212796840U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020825304.2U CN212796840U (en) 2020-05-18 2020-05-18 Device capable of independently adjusting braking air pressure of axle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020825304.2U CN212796840U (en) 2020-05-18 2020-05-18 Device capable of independently adjusting braking air pressure of axle

Publications (1)

Publication Number Publication Date
CN212796840U true CN212796840U (en) 2021-03-26

Family

ID=75091733

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020825304.2U Active CN212796840U (en) 2020-05-18 2020-05-18 Device capable of independently adjusting braking air pressure of axle

Country Status (1)

Country Link
CN (1) CN212796840U (en)

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