CN213301545U - Automobile braking force detection device - Google Patents
Automobile braking force detection device Download PDFInfo
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- CN213301545U CN213301545U CN202022551417.0U CN202022551417U CN213301545U CN 213301545 U CN213301545 U CN 213301545U CN 202022551417 U CN202022551417 U CN 202022551417U CN 213301545 U CN213301545 U CN 213301545U
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- braking force
- automobile
- vehicle braking
- force detection
- detection device
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Abstract
The utility model discloses a car brake force detection device, including car supporting platform, stopper brake force testing arrangement, ground brake force testing arrangement and signal detection and output assembly, the signal detects and the output assembly collects stopper brake force testing arrangement signal and ground brake force testing arrangement signal respectively and realizes the detection to car braking performance. The utility model discloses in, increased automobile supporting platform, improved stopper braking force testing arrangement and ground braking force testing arrangement for the security and the practicality of this set of device improve greatly.
Description
Technical Field
The utility model relates to an automobile detection device field especially relates to an automobile braking force detection device.
Background
The brake performance of the automobile is one of the most important factors for safe driving, and therefore, the brake performance is also the key point for automobile detection and diagnosis. The automobile has good braking performance, and can be changed into a dangerous automobile in case of emergency; during normal running, the average running speed can be increased, so that the transportation production efficiency is improved. In order to decelerate or stop a running automobile, an external force opposite to the running direction of the automobile is applied to the automobile from a road surface to consume the kinetic energy of the automobile so as to generate deceleration of the automobile, and the aim of reducing the running speed of the automobile to stop the automobile is fulfilled. For a vehicle of a certain mass, the greater the braking force, the greater the braking deceleration, and the shorter the braking distance. The braking force is therefore a parameter which essentially evaluates the braking behavior of the vehicle, which has a decisive influence on the braking behavior of the vehicle.
For example, many existing devices for detecting the braking force of an automobile mostly adopt a magnetic-to-electric method to detect the braking force of a brake, the magnitude of the braking force of the brake is displayed by taking current as a carrier, and then the braking force is detected in a form of a series of signal digitalization devices, signal amplification devices, single chip microcomputer processing and storage and computer output. The existing device has large floor area, cannot fully utilize the space of a detection workshop, and has a plurality of requirements on the running factors of the vehicle. In order to solve the above problems, the chinese patent application No. CN108020428A discloses an apparatus for testing braking performance of an automobile, but the apparatus still has the following problems: 1. the device has no automobile supporting platform, and the driving wheel is easy to jack up by using a jack, so that potential safety hazards are caused; 2. the supporting rod of the measuring connecting rod of the device is of a simple rod-shaped structure and is easy to break when the jack is jacked; 3 when the brake fixing device of the device is fixed, the structure in the vehicle can not be used for fixing the support legs.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a device for detecting the braking force of an automobile.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the system comprises an automobile supporting platform, a brake braking force testing device, a ground braking force testing device and a signal detection and output assembly, wherein the signal detection and output assembly respectively collects signals of the brake braking force testing device and signals of the ground braking force testing device to realize detection of the automobile braking performance.
As a further description of the above technical solution:
stopper braking force testing arrangement includes support frame, adjusting nut and lead screw, lead screw and adjusting nut threaded connection, the upper end fixedly connected with clamp of support frame, the clamp is fixed through fixing bolt and steering wheel.
As a further description of the above technical solution:
the lower extreme fixedly connected with lead screw front end of lead screw, the lead screw front end props up and supports and car brake pedal.
As a further description of the above technical solution:
the automobile supporting platform comprises an electric cylinder and a base, the electric cylinder is fixedly connected to the upper surface of the base, and an automobile chassis is arranged on the upper side of the electric cylinder.
As a further description of the above technical solution:
the ground braking force testing device comprises a fixing plate, a measuring connecting rod, an inclined rod, a vertical beam and a positioning block.
As a further description of the above technical solution:
one end of the measuring connecting rod is fixedly connected with the automobile hub through a fixing plate, and the measuring connecting rod, the vertical beam and the inclined rod form a tripod structure.
As a further description of the above technical solution:
the inside sliding connection of measuring the connecting rod has the slide bar, the lower extreme fixedly connected with connecting block of slide bar, the lower fixed surface of connecting block is connected with the locating piece.
As a further description of the above technical solution:
the signal detection and output assembly comprises two force sensors and a display platform, wherein the two force sensors are respectively arranged at the front end of the screw rod and the bottom of the positioning block, and the output ends of the two force sensors are electrically connected with the display platform.
As a further description of the above technical solution:
and a handle is arranged at the rear end of the screw rod.
As a further description of the above technical solution:
and scales are arranged on the measuring connecting rod.
The utility model discloses following beneficial effect has:
1. compared with the prior art, the automobile braking force detection device has the advantages that the automobile supporting platform is additionally arranged for the automobile, the automobile can be lifted up to adjust the height of the automobile when the braking force is detected, and the braking force is safer during detection.
2. Compared with the prior art, the measuring connecting rod, the inclined rod and the vertical beam of the automobile braking force detection device form a tripod structure, so that the automobile braking force detection device can bear larger force and improve the size of the braking force which can be detected.
3. Compared with the prior art, the brake fixing device of the automobile braking force detection device is fixed through connection with a steering wheel, the brake is fixed through the front end of the screw rod, and the situation that the force applied to the brake pedal through the screw rod is deflected to influence the accuracy of experimental data is prevented.
4. Compared with the prior art, the required space of this automobile braking force detection device is less, and the car need not be used in the subaerial or the motion on the platform that detects the workshop, detects the workshop and need not set up the ground or the platform that are used for the car motion again, has reduced area greatly, and the space that can make full use of detect the workshop detects automobile braking force more convenient.
Drawings
Fig. 1 is a schematic view of a ground braking force testing device of an automobile braking force detecting device provided by the present invention;
fig. 2 is a schematic view of a brake braking force testing device of the vehicle braking force detecting device provided by the present invention;
fig. 3 is a schematic view of a positioning block of the braking force detecting device for an automobile according to the present invention;
fig. 4 is a schematic view of a fixing plate of the braking force detecting device for an automobile according to the present invention;
fig. 5 is a schematic view of a supporting platform of an automobile braking force detecting device provided by the present invention.
Illustration of the drawings:
1. an electric cylinder; 2. an automotive chassis; 3. a base; 4. a drive wheel; 5. a fixing plate; 6. a convex plate; 7. erecting a beam; 8. a diagonal bar; 9. connecting blocks; 10. a fixing hole; 11. measuring the connecting rod; 12. a display platform; 13. positioning blocks; 14. fixing a nut; 15. a slide bar; 16. the front end of a screw rod; 17. clamping a hoop; 18. fixing the bolt; 19. a support frame; 20. a handle; 21. a lead screw; 22. and adjusting the nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated 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; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the present invention provides an embodiment: the system comprises an automobile supporting platform, a brake braking force testing device, a ground braking force testing device and a signal detection and output assembly, wherein the signal detection and output assembly respectively collects signals of the brake braking force testing device and signals of the ground braking force testing device to realize detection of the automobile braking performance.
Stopper braking force testing arrangement includes support frame 19, adjusting nut 22 and lead screw 21, lead screw 21 and adjusting nut 22 threaded connection, support frame 19's upper end fixedly connected with clamp 17, clamp 17 is fixed with the steering wheel through fixing bolt 18, lead screw 21's lower extreme fixedly connected with lead screw front end 16, lead screw front end 16 support with car brake pedal, handle 20 is installed to lead screw 21's rear end, during twist grip 20, lead screw 21 can move forward, can wave handle 20 and make lead screw 21 promote lead screw front end 16 and advance.
Automobile supporting platform includes electronic jar 1 and base 3, and electronic jar 1 fixed connection is provided with vehicle chassis 2 at the upper surface of base 3, the upside of electronic jar 1, controls the lift of car through the lift of electronic jar 1, and vehicle chassis 2's right-hand member is provided with drive wheel 4.
The ground braking force testing device comprises a fixing plate 5, a measuring connecting rod 11, an inclined rod 8, a vertical beam 7 and a positioning block 13, wherein one end of the measuring connecting rod 11 is fixedly connected with an automobile hub through the fixing plate 5, the middle surface of the fixing plate 5 is fixedly connected with a convex plate 6, the convex plate 6 is used for fixing the inclined rod 8 and the measuring connecting rod 11, six fixing holes 10 are uniformly formed in the periphery of the convex plate 6, the fixing plate 5 penetrates through the fixing holes 10 through bolts to be fixedly connected with the hub, the measuring connecting rod 11, the vertical beam 7 and the inclined rod 8 form a tripod structure, the vertical beam 7 and the inclined rod 8 both play a fixing role, the inside of the measuring connecting rod 11 is slidably connected with a sliding rod 15, a fixing nut 14 is arranged at the upper end of the sliding rod 15 for fixing, a connecting block 9 is fixedly connected at the lower end of the sliding rod 15, the positioning block 13, the force applied to the fixing plate 5 is measured by the sliding of the positioning block 13.
The signal detection and output assembly comprises two force sensors and a display platform 12, wherein the two force sensors are respectively arranged at the front end 16 of the screw rod and the bottom of the positioning block 13, the output ends of the two force sensors are electrically connected with the display platform 12, and the sensors receive electric signals and transmit the electric signals to the display platform 12.
The working principle is as follows: firstly fixing a steering wheel through a hoop 17, then fixing a fixing plate 5 with an automobile hub through a bolt, adjusting a measuring connecting rod 11 to be in a horizontal state according to a level gauge after fixing, then treading a brake to enable the brake disc to be in a static state, adjusting a positioning block 13 to a specified scale at the moment, and adjusting the specified scale according to the brake type (the distance between the positioning block 13 and the fixing plate 5 can be increased by drum brake or multi-piston calipers); at the moment, the handle 20 is rotated, so that the front end 16 of the screw rod props against the brake pedal and continues to apply force, the pressure value is observed on the display platform 12, whether the performance of the brake pedal is qualified or not is judged by comparing the pressure value of the brake master cylinder, the jack is jacked on the force sensor on the positioning block 13 and applies force upwards, and when the level meter is displaced, the value is observed through the display platform 12, so that the on-wheel brake force can be measured; therefore, whether the braking force of the brake is qualified or not can be judged according to the fact that the force sensor at the front end 16 of the lead screw is matched with the oil pressure sensor of the brake master cylinder, whether the ground braking force is qualified or not is judged through the force sensor on the positioning block 13, and the braking force of the vehicle is comprehensively judged.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (10)
1. The signal detection and output assembly respectively collects signals of the brake braking force testing device and signals of the ground braking force testing device to realize detection of the braking performance of the automobile.
2. The vehicle braking force detection device according to claim 1, characterized in that: stopper braking force testing arrangement includes support frame (19), adjusting nut (22) and lead screw (21), lead screw (21) and adjusting nut (22) threaded connection, the upper end fixedly connected with clamp (17) of support frame (19), clamp (17) are fixed through fixing bolt (18) and steering wheel.
3. The vehicle braking force detection device according to claim 2, characterized in that: the lower extreme fixedly connected with lead screw front end (16) of lead screw (21), lead screw front end (16) prop and automobile brake pedal.
4. The vehicle braking force detection device according to claim 1, characterized in that: the automobile supporting platform comprises an electric cylinder (1) and a base (3), the electric cylinder (1) is fixedly connected to the upper surface of the base (3), and an automobile chassis (2) is arranged on the upper side of the electric cylinder (1).
5. The vehicle braking force detection device according to claim 1, characterized in that: the ground braking force testing device comprises a fixing plate (5), a measuring connecting rod (11), an inclined rod (8), a vertical beam (7) and a positioning block (13).
6. The vehicle braking force detection apparatus according to claim 5, characterized in that: one end fixed connection of the measuring connecting rod (11) is fixedly connected with the automobile hub through a fixing plate (5), and the measuring connecting rod (11), the vertical beam (7) and the inclined rod (8) form a tripod structure.
7. The vehicle braking force detection apparatus according to claim 5, characterized in that: the inside sliding connection of measuring connecting rod (11) has slide bar (15), the lower extreme fixedly connected with connecting block (9) of slide bar (15), the lower fixed surface of connecting block (9) is connected with locating piece (13).
8. The vehicle braking force detection device according to claim 1, characterized in that: the signal detection and output assembly comprises two force sensors and a display platform (12), wherein the two force sensors are respectively arranged at the front end (16) of the screw rod and at the bottom of the positioning block (13), and the output ends of the two force sensors are electrically connected with the display platform (12).
9. The vehicle braking force detection device according to claim 2, characterized in that: the rear end of the screw rod (21) is provided with a handle (20).
10. The vehicle braking force detection apparatus according to claim 5, characterized in that: scales are arranged on the measuring connecting rod (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022551417.0U CN213301545U (en) | 2020-11-06 | 2020-11-06 | Automobile braking force detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022551417.0U CN213301545U (en) | 2020-11-06 | 2020-11-06 | Automobile braking force detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213301545U true CN213301545U (en) | 2021-05-28 |
Family
ID=76014127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022551417.0U Expired - Fee Related CN213301545U (en) | 2020-11-06 | 2020-11-06 | Automobile braking force detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213301545U (en) |
-
2020
- 2020-11-06 CN CN202022551417.0U patent/CN213301545U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210528 Termination date: 20211106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |