A kind of calibrating installation for brake inspection platform
Technical field
The present invention relates to the calibrating installations for brake inspection platform in calibrating field.
Background technique
An important indicator in the braking ability formula vehicle safety performance of vehicle, is directly related to traffic safety, and cut
Real relation to life, property safety, so, brake function test occupies an important position in vehicle performance test field.At present
The braking ability of vehicle substantially detects vehicle braking performances using desk-top method, is assessed.Desk-top method detection device master
Have: anti-force type drum braking check-out console, Flat plate type brake check-out console.Automobile is in braking, due to the effect of inertia force, front-wheel
The pressure of braking platen is increased, the pressure that rear service brake brakes platen reduces, i.e. the axle load of automobile is moved forward.With counter-force
Formula drum braking check-out console is compared, and automobile can be truly reflected out automobile brake when detecting on Flat plate type brake check-out console
The braking effect that axle load is reallocated in the process, while Flat plate type brake check-out console is tied compared with anti-force type drum braking check-out console
Structure is simple, no motor driven, in the kart context of detection advantage incomparable there is other detection modes.With motor-driven
Vehicle quantity is continuously increased, and Flat plate type brake check-out console will certainly be rapidly developed.
A kind of existing Flat plate type brake verifying bench " high-precision flat plate type as disclosed in Chinese patent CN106053097A
Brake test bench ", including braced frame, weighing support and braking platen, are provided with wheel and examine again between weighing support and support frame
Mechanism is surveyed, wheel testing agency includes weighing sensor, and it brakes and is provided with braking forces measuring mechanism between platen and braced frame,
Braking forces measuring mechanism includes the force snesor for detecting automobile braking force, and force snesor is horizontally disposed, and weighing sensor is perpendicular
Straight arrangement.According to vertification regulation need in Flat plate type brake verifying bench weighing sensor and force snesor periodically examine
It is fixed, it is at present that a portal frame is set by braking platen to the assay format of weighing sensor, brakes on the matrix by platen
It is provided with portal frame connection screw thread hole, portal frame is fixed on base by installing connection bolt in portal frame connection screw thread hole
On body, hydraulic cylinder is set on the crossbeam of portal frame, hydraulic cylinder is then driven by hydraulic pump, is applied by hydraulic cylinder to braking platen
The pressure of downward examines and determine weighing sensor.When examining and determine force snesor, the access panel on platen will be braked
It dismantles, a standard test force snesor is installed side by side by force snesor, then drive a car and braked on braking platen, be
Force snesor provides horizontal power of test, and existing this force snesor calibrating mode mode has the following problems: sensing to power
When device is examined and determine, since the installation space by force snesor is limited, the installation of other components cannot be carried out again, therefore can only be by vapour
Vehicle needs certain initial velocity, then emergency braking, has to provide horizontal power of test when automobile provides horizontal power of test
Certain risk, it is also not easy to operate when additionally needing multiple groups calibrating data;Weighing verification process has the following problems: calibrating
Process is an outgoing course of work, and the metrological personnel for being substantially metering institute carries calibration equipment by bus to reach calibrating existing
, and weighing sensor calibration equipment in the prior art includes causing entirely to examine and determine containing large components such as portal frame, hydraulic cylinders
Unit exception is huge, and cost of manufacture is high, not only carries very inconvenient, and in-site installation and use process are also very inconvenient, calibrating effect
Rate is lower.
Summary of the invention
The purpose of the present invention is to provide a kind of calibrating installations for brake inspection platform, to solve to exist in the prior art
It needs to provide horizontal power of test by the automobile of certain speed and examine and determine inconvenient problem when to force snesor calibrating.
In order to solve the above technical problems, technical scheme is as follows:
A kind of calibrating installation for brake inspection platform, including force snesor examine and determine part, it is characterised in that: power sensing
The platen fixing seat of corresponding braking platen upper end is connected to when device calibrating part is including matrix fixing seat and for using, matrix is solid
The bolt penetration hole for being connected by bolt with corresponding portal frame connection screw thread hole is provided at left and right sides of reservation, matrix is fixed
Force sensor calibration authority is set between seat and platen fixing seat, and force snesor calibration authority includes force application mechanism and proof force
Sensor, the force application mechanism are hydraulic cylinder, pneumatic cylinder or electric pushrod, and matrix fixing seat includes applying for force application mechanism installation
Force mechanisms mounting base, guiding movement is equipped with left adjustment seat and right adjusting in left-right direction for the left and right sides of force application mechanism mounting base
Seat, the bolt penetration hole are set in left adjustment seat and right adjustment seat.
Calibrating installation further includes weighing sensor calibrating part, and weighing sensor calibrating part includes weighing assaying table, is claimed
The front end of weight assaying table is provided with front leg strut, and the rear end for assaying table of weighing, which is provided with, to be used to support in accordingly accredited brake platform
Rear support leg on plate, rear support leg include standard weighing calibrating sensor, weighing assaying table have extend along the longitudinal direction for phase
The upper face for answering the wheel of automobile to be movably walking in the longitudinal direction.
The invention has the benefit that passing through the portal frame in bolt penetration hole and matrix when examining and determine force snesor
Connection bolt is installed in connection screw thread hole matrix fixing seat is fixed on matrix, platen fixing seat is connected to braking platen
Upper section, since matrix fixing seat and platen fixing seat are respectively positioned on the upside of braking platen, no longer by the limit of braking platen inner space
System, therefore the force application mechanism for occupying certain space can be set between matrix fixing seat and platen fixing seat, pass through the machine that exerts a force
Structure provides horizontal power of test, can use standard force snesor thus to examine to the force snesor of brake inspection platform
It is fixed, horizontal power of test is provided without the use of the automobile with certain speed, the verification process of force snesor is simplified, in addition, base
The connection of body fixing seat and matrix is utilized original structure on matrix, therefore is not required to be transformed matrix, also facilitates inspection
Determine the use of device.
Further, when examining and determine weighing sensor, the rear support leg of calibrating installation is placed in corresponding system to be examined and determine
On dynamic platen, the front leg strut of calibrating installation is placed on the matrix on front side of braking platen to be examined and determine, as long as accomplishing front leg strut not
It is supported on braking platen to be examined and determine, the pair of wheels of automobile is reached on weighing assaying table, mark together with rear support leg
The weight value that quasi- weighing calibrating sensor measures is compared with the weight value that the weighing sensor of Flat plate type brake verifying bench measures
Come to weighing sensor examine and determine, automobile itself provide pressure, be not required to again by components such as portal frame, hydraulic cylinders, scene be not required into
The big workload assembling of row, entire calibrating installation low manufacture cost are also convenient for carrying, and verification process is also simple and convenient, passes through automobile
Movement can be convenient acquisition multiple groups calibrating data.
Detailed description of the invention
Fig. 1 is the usage state diagram of weighing calibrating part in one embodiment of the present of invention;
Fig. 2 is the top view of weighing calibrating part and the cooperation of Flat plate type brake verifying bench in Fig. 1;
Fig. 3 is the cooperation schematic diagram of force snesor calibrating part and plate brake inspection platform in the present invention;
Fig. 4 is the top view of force snesor calibrating part and the cooperation of plate brake inspection platform in the present invention.
Specific embodiment
Before describing in detail to the calibrating installation in the present invention, flat system in the prior art is introduced first
Dynamic verifying bench, Flat plate type brake verifying bench include that matrix 5 and a pair of 1 front-wheel 2 for automobile carry out brake inspection
Preceding braking platen 11 and a pair carry out the rear braking platen 12 of brake inspection for the rear-wheel to automobile, brake in platen before a pair of
Two braking platens between left and right every arrangement, two braking platens in platen are braked after a pair of between left and right every arrangement.Matrix can
To be metal structure, it is also possible to concrete structure, horizontally disposed power is provided between matrix and corresponding braking platen and is passed
Sensor 13, force snesor are used to detect the brake force that braking platen is born, are provided between matrix and corresponding braking platen
The weighing sensor 6 being vertically arranged, weighing sensor, which is used to detect to correspond to, brakes the axis weight that platen is born, in correspondence on matrix
There are two the portal frame connection screw thread holes 25 for connecting corresponding portal frame for the left and right sides setting of braking platform.
A kind of implementation of the calibrating installation for brake inspection platform is for example shown in Fig. 1 ~ 4: calibrating installation include for pair
The weighing calibrating part that weighing sensor 6 is examined and determine and the force snesor for examining and determine force snesor 13 examine and determine part.Weighing inspection
Spaced apart weighing assaying table 3 when fixed part includes two pieces of uses or so, weighing assaying table are that length extends along the longitudinal direction
Strip structure, the corresponding braking platen of each weighing assaying table is provided with front leg strut 4 in the front end for assaying table of weighing,
The rear end of weighing assaying table is provided with the rear support leg 9 for cooperating with corresponding braking platen support, and rear support leg includes rear support leg sheet
Body and string are set to the standard weighing calibrating sensor 8 on rear support leg ontology, and standard weighing calibrating sensor is arranged vertically, this implementation
Rear support leg ontology 7 is a strut being vertically arranged in example, and standard weighing calibrating sensor 8 is set to the bottom of rear support leg ontology
Portion.Weighing assaying table 3 has the upper plate being movably walking in the longitudinal direction for the wheel of corresponding automobile extended along the longitudinal direction
Face.The rear end of weighing assaying table is provided with ramp 10, the bottom extreme lower position in ramp 10 is higher than the extreme lower position of rear support leg.
When the corresponding weighing sensor of two braking platens before contraposition rests against is examined and determine, the front leg strut of calibrating installation is set
In on the corresponding matrix 5 braked on front side of platen, the rear support leg of calibrating installation is placed on corresponding braking platen, testing person can
With driving, make on the upper face through ramp driving to weighing assaying table of the front vehicle wheel of automobile from back to front, ramp is set
The impact that can reduce automobile to weighing assaying table is set, protective standard weighing examines and determine sensor and weighing assaying table is avoided to upwarp shifting
Position, and the bottom extreme lower position in ramp is higher than the extreme lower position of rear support leg, therefore current wheels travel is to assaying table of weighing
After on upper face, ramp will not influence normal verification process, weighed by standard and examine and determine the measurement numerical value and system of sensor
The measurement numeric ratio of the weighing sensor of dynamic verifying bench is to completing verification process, when multiple groups being needed to examine and determine data, Ke Yitong
Automobile is crossed to be moved forward and backward to realize.It is not required to provide calibrating pressure by portal frame, hydraulic cylinder again in the present invention, but passes through vapour
The mode of this very convenient acquisition of vehicle provides calibrating pressure, so that the structure of calibrating installation itself is very simple, is easy to take
Band.
Force snesor calibrating part include using when be connected to 5 upper end of matrix matrix fixing seat 14 and using when be connected to
The platen fixing seat 18 of braking 11 upper end of platen is corresponded to, is arranged before and after matrix fixing seat 14, platen fixing seat 18, matrix fixing seat
14 include force application mechanism mounting base, and guiding movement is equipped with left adjustment seat in left-right direction for the left and right sides of force application mechanism mounting base
23 and right adjustment seat 24, the bolt penetration hole that axis vertically extends is provided in left adjustment seat 23 and right adjustment seat 24,
In use, being adjusted according to the spacing between two portal frame connection screw thread holes 25 on the matrix of brake inspection platform to be examined and determine
The spacing between two bolt penetration holes is saved, then by installing connection in bolt penetration hole and corresponding portal frame connection screw thread hole
Matrix fixing seat is connected on matrix by bolt.It is provided on rear side of platen fixing seat for extending into braking platen and matrix
Between platen in gap connect pawl 22, the installation calibrating hydraulic cylinder 15 in matrix fixing seat, the piston rod for examining and determine hydraulic cylinder is logical
It crosses force transferring structure to be connected with platen fixing seat, force transferring structure includes that front end is connected by universal joint 17 with piston rod in the present invention
Transmission rod 19, string is equipped with standard force snesor 20, proof force sensor levels arrangement on transmission rod 19.
In use, the spacing between two bolt penetration holes is adjusted by pull seat adjustment seat and right adjustment seat, so that two
Spacing between a bolt penetration hole is adapted to the spacing between two portal frame connection screw thread holes, by bolt penetration hole and gantry
Connection bolt is installed in frame connection screw thread hole makes matrix fixing seat be connected with matrix, is not required to carry out additional transformation to matrix, by platform
Plate connection pawl is extend into the gap on rear side of braking platen between matrix, does not also need to be transformed braking platen.Calibrating
Hydraulic cylinder applies the pulling force in direction facing forward, is examined and determine by standard force snesor force snesor, compared to the prior art, directly
Access panel of dismantling is connect, and a standard force snesor is installed, then through automobile for force snesor calibrating, calibrating mode is simple
It is more.
In other embodiments of the invention: the calibrating installation in the present invention can also not include force snesor calibrating portion
Point;Weighing assaying table can also only have one piece, and weighing assaying table brakes platen, the weighing assaying table across a pair in left-right direction
Bottom setting there are two rear support leg, two rear support legs respectively correspond the two braking platens in left and right;Ramp can not also be set;It is hydraulic
Cylinder can also be replaced by other force application mechanisms for being capable of providing horizontal power of test such as pneumatic cylinder, electric pushrod, certain force application mechanism
It is also possible to hand force application mechanism, such as force application mechanism includes force set, the both ends of force set have oppositely oriented company
Screw thread is connect, is connected with connecting screw in connection screw thread, in use, rotation force set, connecting screw can apply to braking platen
Pulling force and/or thrust;Platen fixing seat can not also connect pawl by platen and be connected with braking platen, such as in braking platen
The upper several vertical connecting holes of setting, brake and are set to the corresponding column of vertical connecting hole on platen, in use, column insertion corresponds to
Vertical connecting hole in, column limitation platen fixing seat moves horizontally, and force application mechanism can smoothly exert a force, examined and determine, directly
Platen fixing seat is taken away along the vertical direction, simplifies the connection procedure of platen fixing seat, and brakes the vertical connecting hole on platen
Passing through for normal automotive will not be influenced, certain platen attachment base can also be connected by bolt with braking platen;In the present invention
Calibrating installation can not also include weighing sensor calibrating part, this calibrating installation only passes the power of brake inspection platform at this time
Sensor is examined and determine;Universal joint can not also be set, and piston rod passes through one end phase of oscillating bearing and standard force snesor at this time
Even, the other end of standard force snesor is connected by oscillating bearing with platen fixing seat;Entire calibrating installation can also be wrapped only
Include force snesor calibrating part.Matrix fixing seat, platen fixing seat are installed on matrix and brake on the surface of platen, this and automobile
The position for itself generating brake force is consistent, and is more nearly actual condition.
Wherein the calibration method of weighing sensor can be summed up are as follows: the rear support leg of calibrating installation is placed in pair by the first step
On the braking platen answered, the front leg strut of calibrating installation is placed on the matrix on front side of braking platen, second step, by a pair of automobile
Wheel reaches on weighing assaying table, and another pair wheel is not pulled in accredited brake platform, and standard weighing calibrating sensor measures
Weight value come compared with the weight value that the weighing sensor of Flat plate type brake verifying bench measures to weighing sensor examine and determine, lead to
Back-and-forth motion of the automobile on weighing assaying table upper face is crossed, multiple groups is obtained and examines and determine data.