CN211504519U - Calibrating device for brake inspection platform - Google Patents
Calibrating device for brake inspection platform Download PDFInfo
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- CN211504519U CN211504519U CN201820498200.8U CN201820498200U CN211504519U CN 211504519 U CN211504519 U CN 211504519U CN 201820498200 U CN201820498200 U CN 201820498200U CN 211504519 U CN211504519 U CN 211504519U
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- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000012360 testing method Methods 0.000 claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 10
- 238000005303 weighing Methods 0.000 claims description 55
- 238000001514 detection method Methods 0.000 claims description 17
- 238000012795 verification Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 10
- 210000000078 claw Anatomy 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model relates to a braking calibrating installation for test platform, including force sensor examination part, force sensor examination part includes the base member fixing base and connects in the platen fixing base that corresponds braking platen upper end when being used for, and the left and right sides of base member fixing base is provided with and is used for the bolt perforation that links to each other through bolt and corresponding portal frame connecting screw hole, sets up force sensor examination mechanism between base member fixing base and the platen fixing base, and force sensor examination mechanism includes application of force mechanism and standard force transducer. The utility model provides an among the prior art need provide the level with the help of the car of constant speed and examine and determine the power and examine and determine inconvenient problem to force transducer examination time.
Description
Technical Field
The utility model relates to a braking for test platform calibrating installation in the examination field.
Background
The braking performance of the vehicle is an important index in the safety performance of the vehicle, which is directly related to driving safety and really related to life and property safety, so that the braking performance detection plays an important role in the field of vehicle performance detection. At present, the braking performance of a vehicle is basically detected and evaluated by a desktop method. The desktop detection equipment mainly comprises: a counter-force roller brake inspection bench and a flat plate brake inspection bench. When the automobile is braked, the pressure of the front wheel on the brake bedplate is increased and the pressure of the rear wheel on the brake bedplate is reduced due to the action of inertia force, namely the axle load of the automobile moves forwards. Compared with a counter-force type roller braking inspection table, when an automobile is detected on the flat plate type braking inspection table, the braking effect of axle load redistribution in the automobile braking process can be reflected truly, and meanwhile, compared with the counter-force type roller braking inspection table, the flat plate type braking inspection table is simple in structure, free of motor drive and incomparable with other detection modes in the aspect of small automobile detection. With the increasing number of motor vehicles, the flat plate type brake inspection bench is inevitably and rapidly developed.
The existing flat plate type brake inspection platform comprises a supporting frame, a weighing frame and a brake platen, wherein a wheel weight detection mechanism is arranged between the weighing frame and the supporting frame, the wheel weight detection mechanism comprises a weighing sensor, a braking force detection mechanism is arranged between the brake platen and the supporting frame, the braking force detection mechanism comprises a force sensor used for detecting the braking force of an automobile, the force sensor is horizontally arranged, and the weighing sensor is vertically arranged. The weighing sensor and the force sensor in the flat plate type brake inspection platform are periodically inspected according to the inspection regulation, the existing inspection form of the symmetrical weighing sensor is that a portal frame is arranged beside a brake platen, a portal frame connecting threaded hole is formed in a base body beside the brake platen, a connecting bolt penetrates through the portal frame connecting threaded hole to fix the portal frame on the base body, a hydraulic cylinder is arranged on a cross beam of the portal frame and is driven by a hydraulic pump, and the symmetrical weighing sensor is inspected by applying downward pressure to the brake platen through the hydraulic cylinder. When checking the force sensor, the maintenance board on the brake bedplate is removed, a standard checking force sensor is arranged beside the force sensor in parallel, then a driver brakes on the brake bedplate to provide horizontal checking force for the force sensor, and the existing force sensor checking mode has the following problems: when the force sensor is detected, because the installation space beside the force sensor is limited, other parts can not be installed any more, so that the horizontal detection force can be provided only by the automobile, when the horizontal detection force is provided by the automobile, a certain initial speed is required, then the automobile is braked emergently, certain danger is caused, and in addition, when a plurality of groups of detection data are required, the operation is not easy; the weight verification process has the following problems: the calibration process is an outgoing working process, and basically, a metrologist in a measurement institute takes a car to carry the calibration equipment to a calibration site, and the weighing sensor calibration equipment in the prior art comprises large components such as a portal frame and a hydraulic cylinder, so that the whole calibration equipment is extremely large, the manufacturing cost is high, the carrying is inconvenient, the site installation and use are also inconvenient, and the calibration efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a brake inspection is calibrating installation for platform to solve among the prior art need provide the level with the help of the car of certain speed and examine and determine the inconvenient problem of power and examine and determine when examining and determine force sensor.
In order to solve the technical problem, the technical scheme of the utility model as follows:
the utility model provides a braking verifying attachment for test platform, includes force sensor examination part, force sensor examination part includes the base member fixing base and is used for connecting in the platen fixing base that corresponds braking platen upper end when using, and the left and right sides of base member fixing base is provided with the bolt perforation that is used for linking to each other through bolt and corresponding portal frame connecting screw hole, is provided with force sensor examination mechanism between base member fixing base and the platen fixing base, and force sensor examination mechanism includes application of force mechanism and standard force transducer.
The force application mechanism is a hydraulic cylinder, a pneumatic cylinder or an electric push rod.
The base member fixing base is including the application of force mechanism mount pad that supplies the application of force mechanism installation, and the left and right sides of application of force mechanism mount pad is followed left right direction guide movement and is equipped with left side and adjusts the seat with the right side, the bolt is perforated and is set up on left side regulation seat and right side regulation seat.
The calibrating device further comprises a weighing sensor calibrating part, the weighing sensor calibrating part comprises a weighing calibrating plate, the front end of the weighing calibrating plate is provided with a front supporting leg, the rear end of the weighing calibrating plate is provided with a rear supporting leg used for supporting on a corresponding calibrated brake platen, the rear supporting leg comprises a standard weighing calibrating sensor, and the weighing calibrating plate is provided with an upper plate surface which extends along the front and rear directions and is used for moving and walking the wheels of a corresponding automobile in the front and rear directions.
The two weighing detection plates are arranged side by side at intervals in the left-right direction when in use, and rear support legs arranged on each weighing detection plate are respectively used for supporting the corresponding brake bedplate.
The utility model has the advantages that: when the force sensor is detected, the base body fixing seat is fixed on the base body by penetrating and installing a connecting bolt in the bolt penetrating hole and a portal frame connecting threaded hole on the base body, the bedplate fixing seat is connected to the upper section of the brake bedplate, because the base body fixing seat and the bedplate fixing seat are both positioned at the upper side of the brake bedplate and are not limited by the space at the inner side of the brake bedplate any more, therefore, a force applying mechanism occupying a certain space can be arranged between the base body fixing seat and the bedplate fixing seat, the force applying mechanism provides horizontal calibration force, so that the force sensor of the brake test platform can be calibrated by using a standard force sensor without using an automobile with a certain speed to provide the horizontal calibration force, the calibration process of the force sensor is simplified, in addition, the connection of the base body fixing seat and the base body utilizes the original structure on the base body, so that the base body does not need to be reformed, and the use of the calibrating device is facilitated.
Furthermore, when the weighing sensor is used for detecting, the rear supporting leg of the detecting device is arranged on the corresponding brake bedplate to be detected, the front supporting leg of the detecting device is arranged on the base body at the front side of the brake bedplate to be detected, the front supporting leg and the rear supporting leg are not supported on the brake bedplate to be detected together, a pair of wheels of the automobile are driven onto the weighing detecting plate, the weight value measured by the standard weighing detecting sensor is compared with the weight value measured by the weighing sensor of the flat plate type brake detecting platform to detect the weighing sensor, the automobile provides pressure, the components such as a portal frame, a hydraulic cylinder and the like are not needed, large-workload assembly is not needed on site, the manufacturing cost of the whole detecting device is low, the carrying is convenient, the detecting process is simple and convenient, and a plurality of groups of detecting data can be conveniently obtained through the movement of the automobile.
Drawings
Fig. 1 is a diagram illustrating a state of use of a weight verification section according to an embodiment of the present invention;
FIG. 2 is a top view of the weigh verification section of FIG. 1 mated with a flat brake test platform;
FIG. 3 is a schematic diagram of the force sensor calibration section and the flat brake test platform of the present invention;
fig. 4 is a top view of the force sensor calibration part of the present invention in cooperation with a flat brake test platform.
Detailed Description
Before going on the detailed description to the calibrating installation in the utility model, at first introduce the flat braking test platform among the prior art, flat braking test platform includes base member 5 and a pair of preceding braking platen 11 that is used for carrying out the braking inspection to 1 front wheel 2 of car and a pair of back braking platen 12 that is used for carrying out the braking inspection to the rear wheel of car, and interval arrangement about two braking platens in the preceding braking platen of a pair of, interval arrangement about two braking platens in the back braking platen of a pair of. The base body can be of a metal structure or a concrete structure, a force sensor 13 which is horizontally arranged is arranged between the base body and the corresponding brake platen and is used for detecting the braking force born by the brake platen, a weighing sensor 6 which is vertically arranged is arranged between the base body and the corresponding brake platen and is used for detecting the axle load born by the corresponding brake platen, and two portal frame connecting threaded holes 25 which are used for connecting corresponding portal frames are arranged on the base body and are arranged on the left side and the right side of the corresponding brake platform.
The embodiment of the calibrating device for the brake inspection platform is shown in figures 1-4: the verification device includes a weigh verification portion for verification of the load cell 6 and a force sensor verification portion for verification of the force sensor 13. Weighing verification part includes two check boards 3 that weigh that left and right interval arrangement when using, the check board that weighs is the bar structure that length extends along the fore-and-aft direction, every check board that weighs corresponds a braking platen, the front end of checking the board that weighs is provided with preceding landing leg 4, the rear end of checking the board that weighs is provided with and is used for supporting complex back landing leg 9 with corresponding braking platen, the back landing leg includes that back landing leg body and cluster locate standard weighing verification sensor 8 on the back landing leg body, standard weighing verification sensor is vertical arranges, back landing leg body 7 is a vertical arrangement's branch in this embodiment, standard weighing verification sensor 8 sets up in the bottom of back landing leg body. The weighing and determining plate 3 has an upper plate surface extending in the front-rear direction for the wheels of the corresponding automobile to move in the front-rear direction. A ramp 10 is arranged at the rear end of the weighing and determining plate, and the lowest position of the bottom of the ramp 10 is higher than that of the rear supporting legs.
When the weighing sensors corresponding to the two brake tables positioned in front are checked, the front support legs of the checking device are arranged on the base body 5 corresponding to the front side of the brake tables, the rear support legs of the checking device are arranged on the corresponding brake tables, a checking person can drive an automobile to enable the front wheels of the automobile to run to the upper plate surface of the weighing checking plate from back to front through a ramp, the arrangement of the ramp can reduce the impact of the automobile on the weighing checking plate, protect the standard weighing checking sensor and avoid the weighing checking plate from upwarping and shifting, the lowest position of the bottom of the ramp is higher than the lowest position of the rear support legs, therefore, after the front wheels run to the upper plate surface of the weighing checking plate, the ramp does not influence the normal checking process, and the checking process is completed by comparing the measurement value of the standard weighing checking sensor with the measurement value of the weighing sensor of the brake checking platform, when multiple groups of verification data are needed, the verification can be realized by moving the automobile back and forth. The utility model discloses in need not provide examination pressure with the help of portal frame, pneumatic cylinder again, but provide examination pressure through this very convenient mode that obtains of car for calibrating installation itself's structure is very simple, easily carries.
Force transducer examination part connects in the base member fixing base 14 of base member 5 upper end during including using and connects in the platen fixing base 18 that corresponds 11 upper ends of braking platen during use, base member fixing base 14, platen fixing base 18 arranges around, base member fixing base 14 includes the application of force mechanism mount pad, the left and right sides of application of force mechanism mount pad is equipped with left side regulation seat 23 and right side regulation seat 24 along left and right direction removal, all be provided with the bolt perforation that the axis extends along upper and lower direction on left side regulation seat 23 and the right side regulation seat 24, during the use, according to the interval between two portal frame connecting screw holes 25 on the base member of the braking inspection platform of treating examination, adjust the interval between two bolt perforation, then through wear to adorn connecting bolt on bolt perforation and the portal frame connecting screw hole that corresponds and connect the base member fixing base. The rear side of platen fixing base is provided with and is arranged in stretching into the platen connecting claw 22 in the clearance between braking platen and the base member, and installation verification pneumatic cylinder 15 on the base member fixing base, the piston rod of examination pneumatic cylinder pass through force transmission structure and link to each other with the platen fixing base, the utility model discloses well force transmission structure includes that the front end passes through universal joint 17 and the dowel steel 19 that the piston rod links to each other, and the cluster is equipped with standard force transducer 20 on the dowel steel 19, and standard force transducer level arranges.
During the use, adjust the seat and adjust the seat through the pull seat and adjust the interval between two bolt perforation with the right side for interval between two bolt perforation and the interval adaptation between two portal frame connecting thread holes, wear to adorn connecting bolt through bolt perforation and portal frame connecting thread hole and make base member fixing base and base member link to each other, need not additionally reform transform the base member, with the platen connect the claw stretch into the gap between braking platen rear side and the base member, also need not reform transform the braking platen. The pulling force of direction forward is applyed to examination pneumatic cylinder, examines and determine force sensor through standard force sensor, compares among the prior art, directly tears the access panel down, and installs a standard force sensor, and the rethread car is to force sensor examination, and the examination mode is simple many.
In other embodiments of the present invention: the calibrating device in the utility model can not comprise a force sensor calibrating part; the weighing and detecting plate can be only one, the weighing and detecting plate spans a pair of brake platens along the left and right directions, two rear support legs are arranged at the bottom of the weighing and detecting plate, and the two rear support legs respectively correspond to the left brake platen and the right brake platen; the ramp can be omitted; the hydraulic cylinder can be replaced by other force application mechanisms which can provide horizontal detection force, such as a pneumatic cylinder, an electric push rod and the like, of course, the force application mechanism can also be a manual force application mechanism, for example, the force application mechanism comprises a force application sleeve, two ends of the force application sleeve are provided with connecting threads with opposite rotation directions, the connecting threads are connected with connecting screw rods, and when the brake table plate is used, the force application sleeve is rotated, and the connecting screw rods can apply pulling force and/or pushing force to the brake table plate; the bedplate fixing seat can be connected with the brake bedplate without a bedplate connecting claw, for example, a plurality of vertical connecting holes are formed in the brake bedplate, and the brake bedplate is provided with a stand column corresponding to the vertical connecting hole; the calibrating device in the utility model can not comprise a weighing sensor calibrating part, and only the force sensor of the brake testing platform is calibrated by the calibrating device; the universal joint can be omitted, the piston rod is connected with one end of the standard force sensor through the joint bearing, and the other end of the standard force sensor is connected with the bedplate fixing seat through the joint bearing; the entire verification device may also include only the force sensor verification portion. The base body fixing seat and the bedplate fixing seat are arranged on the surfaces of the base body and the brake bedplate, and the position of the base body fixing seat and the bedplate fixing seat is consistent with the position of the automobile for generating braking force, and is closer to the actual working condition.
The verification method of the symmetrical retransmission sensor can be summarized as follows: firstly, placing the rear legs of the calibrating device on the corresponding brake bedplate, placing the front legs of the calibrating device on the substrate at the front side of the brake bedplate, secondly, turning a pair of wheels of the automobile on a weighing calibration plate, not turning the other pair of wheels on the calibrated brake bedplate, comparing the weight value measured by a standard weighing calibration sensor with the weight value measured by a weighing sensor of a flat-plate brake calibration platform to calibrate the weighing sensor, and obtaining multiple groups of calibration data by moving the automobile back and forth on the upper plate surface of the weighing calibration plate.
Claims (5)
1. A calibrating device for brake test platform, includes force sensor examination part, its characterized in that: the force sensor calibrating part comprises a base body fixing seat and a bedplate fixing seat connected to the upper end of the corresponding brake bedplate when in use, bolt through holes used for being connected with corresponding portal frame connecting threaded holes through bolts are formed in the left side and the right side of the base body fixing seat, a force sensor calibrating mechanism is arranged between the base body fixing seat and the bedplate fixing seat, and the force sensor calibrating mechanism comprises a force application mechanism and a standard force sensor.
2. The certification device for the brake test platform according to claim 1, wherein: the force application mechanism is a hydraulic cylinder, a pneumatic cylinder or an electric push rod.
3. The certification device for the brake test platform according to claim 1, wherein: the base member fixing base is including the application of force mechanism mount pad that supplies the application of force mechanism installation, and the left and right sides of application of force mechanism mount pad is followed left right direction guide movement and is equipped with left side and adjusts the seat with the right side, the bolt is perforated and is set up on left side regulation seat and right side regulation seat.
4. The calibrating device for the brake test platform according to any one of claims 1 to 3, wherein: the calibrating device further comprises a weighing sensor calibrating part, the weighing sensor calibrating part comprises a weighing calibrating plate, the front end of the weighing calibrating plate is provided with a front supporting leg, the rear end of the weighing calibrating plate is provided with a rear supporting leg used for supporting on a corresponding calibrated brake platen, the rear supporting leg comprises a standard weighing calibrating sensor, and the weighing calibrating plate is provided with an upper plate surface which extends along the front and rear directions and is used for moving and walking the wheels of a corresponding automobile in the front and rear directions.
5. The certification device for the brake test platform according to claim 4, wherein: the two weighing detection plates are arranged side by side at intervals in the left-right direction when in use, and rear support legs arranged on each weighing detection plate are respectively used for supporting the corresponding brake bedplate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018203861010 | 2018-03-21 | ||
| CN201820386101 | 2018-03-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211504519U true CN211504519U (en) | 2020-09-15 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820498303.4U Withdrawn - After Issue CN211504520U (en) | 2018-03-21 | 2018-04-10 | Calibrating device for flat plate type brake inspection platform |
| CN201820498200.8U Active CN211504519U (en) | 2018-03-21 | 2018-04-10 | Calibrating device for brake inspection platform |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820498303.4U Withdrawn - After Issue CN211504520U (en) | 2018-03-21 | 2018-04-10 | Calibrating device for flat plate type brake inspection platform |
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| Country | Link |
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| CN (2) | CN211504520U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426671A (en) * | 2018-03-21 | 2018-08-21 | 郑州东辰科技有限公司 | A kind of brake inspection platform calibrating installation |
-
2018
- 2018-04-10 CN CN201820498303.4U patent/CN211504520U/en not_active Withdrawn - After Issue
- 2018-04-10 CN CN201820498200.8U patent/CN211504519U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426671A (en) * | 2018-03-21 | 2018-08-21 | 郑州东辰科技有限公司 | A kind of brake inspection platform calibrating installation |
| CN108426671B (en) * | 2018-03-21 | 2024-05-17 | 郑州东辰科技有限公司 | Calibrating device for brake inspection platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN211504520U (en) | 2020-09-15 |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240630 Address after: 719053, 500 meters north of Guchengtan Toll Station, Yuyang District, Yulin City, Shaanxi Province Patentee after: Zhongchi Shengye Holding Group Co.,Ltd. Country or region after: China Address before: 450006 Unit 9, 901, Unit 1, No. 333 Longhai West Road, Zhongyuan District, Zhengzhou City, Henan Province Patentee before: ZHENGZHOU DONGCHEN SCIENCE & TECHNOLOGY Co.,Ltd. Country or region before: China |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240729 Address after: 719053 500 meters south of the intersection of Agricultural Science and Technology Demonstration Park Road in Yuyang District, Yulin City, Shaanxi Province Patentee after: Zhongqi Co.,Ltd. Country or region after: China Address before: 719053, 500 meters north of Guchengtan Toll Station, Yuyang District, Yulin City, Shaanxi Province Patentee before: Zhongchi Shengye Holding Group Co.,Ltd. Country or region before: China |