The content of the invention
The purpose of the present invention is exactly to overcome the above-mentioned problems of the prior art, provides a kind of pantograph pan resistance
Detection device, the present invention bonding resistance of pantograph pan is detected using automaton, realization multi-point sampler
Quickly, efficiently.
It is a further object of the present invention to provide a kind of detection methods of pantograph pan resistance.
First purpose according to the present invention provides a kind of detection device of pantograph pan resistance, including:Testboard, tool
It is useful for placing the bearing of pantograph pan;Test device with test probe component and measuring circuit, the test probe
Component is used to form a resistance test circuit after connecting with pantograph pan;Pantograph pan fixing device, for inciting somebody to action
Pantograph pan is fixed on bearing;The three-dimensional moving device of the test probe component is installed, for making the test probe
Component moves in the X, Y, Z direction, and the test probe component is made to be moved to each test point of pantograph pan;Described in connection
The control system of three-dimensional moving device, the pantograph pan fixing device and the test probe component, it is described for controlling
The test probe component is moved to the test point of pantograph pan, control pantograph pan fixing device by three-dimensional moving device
It is fixed on bearing and control the test probe component to contact and clamp with pantograph pan pantograph pan.
Preferably, the pantograph pan fixing device includes:It is correspondingly arranged at two clampings of pantograph pan both sides
Cylinder assembly, each clamping cylinder component include:The clamping cylinder being fixed on testboard;With the work of the clamping cylinder
The clamp arm of stopper rod connection;Wherein, it is provided with to detect the clamping that piston rod is stretched out or retracted in place in the clamping cylinder
Cylinder sensor, the clamping cylinder sensor are connected with control system.
Preferably, the test probe component includes:Test probe and the probe drive device for connecting the test probe.
Preferably, the probe drive device includes:Test probe stent;It is corresponding to be mounted on the test probe stent
Two tested cylinders at lower both ends;Wherein, it is provided with to detect piston rod stretching in the tested cylinder or retracts in place
Tested cylinder sensor, the tested cylinder sensor are connected with control system;Wherein, the piston rod of each tested cylinder
On be connected to a test probe.
Preferably, the measuring circuit includes:The low resistance test device being connected with the test probe by conducting wire;With
The computer that the low resistance tester is connected by data cable;Wherein, the test probe, low resistance test device and by electricity
The test point of bow slide plate connects to form a resistance test circuit;Wherein, the computer is used for simultaneous display pantograph pan
Test point resistance value and for judging whether qualification.
Preferably, the three-dimensional moving device includes:It is respectively used to adjust the test probe in X, Y, the position of Z-direction
X to mobile device, Z-direction mobile device and Y-direction mobile device;Wherein, the Z-direction mobile device is respectively with X to mobile device
It is fixedly connected with Y-direction mobile device;Wherein, the test probe stent is fixedly mounted in the Y-direction mobile device.
Preferably, the X is the X on testboard to lead screw assembly to mobile device, and the X is to lead screw assembly bag
It includes:The X parallel with pantograph pan is to leading screw;Mounted on the X to leading screw one end and drive its rotate the first stepper motor;
The X is set on leading screw and with the X that it is threadedly coupled to transmission nut;Wherein, the Z-direction mobile device is fixedly mounted on
X is moved in the X direction on transmission nut and in X described in X to the drive lower edge of transmission nut to leading screw.
Preferably, the Z-direction mobile device is Z-direction lead screw assembly, and the Z-direction lead screw assembly includes:It is fixedly mounted on institute
State lead screw bases of the X on transmission nut;Z-direction leading screw on the lead screw base;Mounted on described Z-direction leading screw one end and drive
Move its second stepper motor rotated;The Z-direction transmission nut for being set on the Z-direction leading screw and being threadedly coupled with it;Wherein, institute
Y-direction mobile device is stated to be fixedly mounted on the Z-direction transmission nut and Z-direction leading screw described in the drive lower edge in Z-direction transmission nut
It moves in z-direction.
Preferably, the Y-direction mobile device is Y-direction cylinder assembly, and the Y-direction cylinder assembly includes:It is fixedly mounted on institute
State the Y-direction air cylinder support on Z-direction transmission nut;Y-direction cylinder on the Y-direction air cylinder support;Wherein, the test is visited
Head bracket is fixedly mounted under the drive of the piston rod on the piston rod of the Y-direction cylinder and in Y-direction cylinder and moves up in the Y direction
It is dynamic;Wherein, it is provided with to detect the Y-direction cylinder sensor that piston rod is stretched out or retracted in place, the Y in the Y-direction cylinder
It is connected to cylinder sensor with control system.
Second purpose according to the present invention provides a kind of detection method of pantograph pan resistance, comprises the following steps:
Pantograph pan is fixed on the bearing of testboard by pantograph pan fixing device;Three-dimensional moving device driving is surveyed
It sounds out head assembly to move in the X, Y, Z direction, the test probe component is made to be moved to the test that pantograph pan needs measure
Point;It controls the test probe component touch and clamps the test point;Described in the test probe component touch and clamping
After test point, the resistance of the pantograph pan test point is measured using the measuring circuit.
Beneficial effects of the present invention embody in the following areas:
1st, the structure of the detecting device of pantograph pan resistance of the present invention is simple, at low cost, using automation control;
2nd, the present invention can realize the bonding resistance of each test point of pantograph pan automatic test, and test resistance value is synchronous
It uploads to computer and is preserved and judged qualification;
It 3rd, can be simultaneously by the electric current of test point, voltage value after test probe of the invention and pantograph pan test point contact
It passes low resistance test device back, quickly obtains the bonding resistance value of pantograph pan test point;
4th, test probe can be accurately and rapidly moved to each survey of pantograph pan by three-dimensional moving device of the invention
Pilot efficiently obtains the bonding resistance value of pantograph pan;
5th, pantograph pan fixing device of the invention fixes pantograph pan, it can be achieved that test probe is accurately moved to
Each test point of pantograph pan.
Specific embodiment
The present invention is described in detail with reference to specific embodiment.
As shown in Figure 1, 2, 3, a kind of detection device of pantograph pan resistance, including:Testboard 1;With test probe
The test device of component 4 and measuring circuit;Pantograph pan fixing device;The three-dimensional for installing the test probe component 4 is mobile
Device;Connect the control system of the three-dimensional moving device, the pantograph pan fixing device and the test probe component.
Wherein, testboard 1 has bearing 11, for placing pantograph pan 2 to be tested;Pantograph pan 2 is placed on bearing 11
After, pantograph pan 2 is fixed on bearing 11 by control system control pantograph pan fixing device;Then, control system
The three-dimensional moving device is controlled to act and test probe component mounted thereto is driven to move in the X, Y, Z direction, by institute
State the test point that test probe component 4 is accurately moved to pantograph pan;Finally, control system control test probe component 4 with
Pantograph pan connects, and test probe component 4, the test point of pantograph pan and measuring circuit is made to form a resistance and is surveyed
Circuit is tried, for detecting the bonding resistance of pantograph pan test point.Wherein, the present invention is controlled three-dimensional mobile by control system
Test probe component 4 is accurately moved to each test point of pantograph pan by device, can accurately be measured using test device
The bonding resistance of pantograph pan.
Below in conjunction with the accompanying drawings the concrete structure to the detection device of pantograph pan resistance of the present invention and its correlation into
Row is discussed in detail.
As shown in Figures 1 to 3, pantograph pan to be tested, pantograph pan fixing device and three are placed on testboard 1
Tie up mobile device.
Wherein, as shown in Figure 1, the pantograph pan fixing device includes:It is correspondingly arranged at pantograph pan both sides
Two clamping cylinder components 3, described two clamping cylinder components 3 are used to pantograph pan being fixed on bearing 11, make to be measured
Each test point on the pantograph pan of examination has definite position compared with test probe component 4, makes test probe group
Part 4 can be accurately positioned.As shown in figure 3, each clamping cylinder component 3 includes:The clamping cylinder being fixed on testboard
31;The clamp arm 32 being connected with the piston rod of the clamping cylinder 31.The clamp arm 32 includes:With the clamping cylinder 31
The telescopic arm 32a and the swing arm 32b hinged with the telescopic arm 32a that piston rod is fixedly connected, when the telescopic arm 32a with
When piston rod and doing stretching motion, swing arm 32b is driven to do pendulum motion.
In addition, it is provided with to detect the clamping cylinder sensing that piston rod is stretched out or retracted in place in the clamping cylinder 31
Device, the clamping cylinder sensor are connected with control system.It is used to detect the clamping cylinder of piston rod stretching in place specifically, working as
After sensor detects that piston rod stretches out in place, control system is sent a signal to, control system control piston rod stops stretching out, this
When swing arm 32b swing in place, so as to which pantograph pan is clamped on bearing.When the resistance of detection of end pantograph pan,
The piston rod of clamping cylinder 31 is shunk, when detecting that piston rod contracts for detecting the clamping cylinder sensor that piston rod is retracted in place
After returning to position, control system is sent a signal to, control system control piston rod stops retracting, and clamp arm 32 sets back at this time.
Wherein, the test probe component 4 is used for connecting with pantograph pan and forming a resistance test circuit.
As shown in figures 2 and 3, the test probe component 4 includes:For the test probe 43 connected with pantograph pan and it is connected
The probe drive device of the test probe 43.The test probe 43 is the arbitrary metalwork with conductive characteristic.
Specifically, the probe drive device includes:Test probe stent 41;It is corresponding to be mounted on the test probe stent
Two tested cylinders 42 of 41 upper and lower ends are each connected to a test on the piston rod of the tested cylinder 42
Probe 43.
In addition, it is provided with to detect the tested cylinder sensing that piston rod is stretched out or retracted in place in the tested cylinder 42
Device, the tested cylinder sensor are connected with control system.After test probe 43 is moved to the test point of pantograph pan, control
System processed controls the piston rod of two tested cylinders 42 to stretch out, and described two test probes 43 is driven to move toward one another, until this
Two test probes 43 and the test point of pantograph pan connect, and are used at this point, being separately positioned in two tested cylinders 42
It detects that piston rod stretches out in place in the tested cylinder sensor that detection piston rod stretches out in place, sends a signal to control system,
Control system control piston rod stops stretching out.
After two test probes 43 and the test point of pantograph pan connect, two test probes 43, pantograph are slided
The test point and measuring circuit of plate form a resistance test circuit, which can obtain pantograph pan test
The resistance value of point.
Wherein, as shown in figure 4, the measuring circuit is connected with two test probes 43, and the measuring circuit includes:
The low resistance test device 5 being connected with the test probe 43 by conducting wire 51;Pass through data cable with the low resistance tester 5
The computer 6 of 61 connections.Wherein, the test probe 43, low resistance test device 5 connect shape with the test point of pantograph pan
Into a resistance test circuit;The low resistance test device 5 is used to obtaining the resistance value of pantograph pan test point and synchronous
It is transmitted to computer 6.The computer 6 stores the resistance value of pantograph pan test point and for judging to be for simultaneous display
No qualification.
The low resistance test device 5 measures the bonding resistance of pantograph pan according to direct current voltage method:From low
The measurement electric current of resistance testing device 5 is inputted from a test probe 43, flows through the test point of pantograph pan, from another survey
Probe header 43 exports, and returns to low resistance test device 5, forms current loop;At the same time, connect with the test point of pantograph pan
Two test probes 43 connect can obtain the voltage value of pantograph pan test point, and according to voltammetry, low resistance test device 5 can
Calculate the bonding resistance value of pantograph pan test point.
Wherein, three-dimensional moving device connect the test probe component 4 and for adjust the test probe component 4 X,
Y, the position of Z-direction.As shown in Figures 1 to 3, the three-dimensional moving device includes:It is respectively used to adjust the test probe 43 and exist
X, Y, Z-direction position X to mobile device 7, Z-direction mobile device 8 and Y-direction mobile device 9.Wherein, the Z-direction mobile device
8 are fixedly connected respectively with X to mobile device 7 and Y-direction mobile device 9;The test probe stent 41 is fixedly mounted on the Y-direction
In mobile device 9.
The X is the X on testboard to lead screw assembly to mobile device, and as shown in Figures 1 to 3, the X is to leading screw
Component includes:The X parallel with pantograph pan is to leading screw 71;To leading screw one end and the first of its rotation is driven mounted on the X
Stepper motor 72;The X is set on leading screw and with the X that it is threadedly coupled to transmission nut 73.
The drive lower edge institute that the Z-direction mobile device 8 is fixedly mounted on X on transmission nut 73 and in X to transmission nut
X is stated to move in the X direction to leading screw.The Z-direction mobile device 8 is Z-direction lead screw assembly, as shown in Fig. 2 to 3, the Z-direction leading screw
Component includes:It is fixedly mounted on lead screw bases 84 of the X on transmission nut 73;Z-direction silk on the lead screw base 84
Thick stick 81;Mounted on described Z-direction leading screw one end and drive its rotate the second stepper motor 82;It is set on the Z-direction leading screw simultaneously
The Z-direction transmission nut 83 being threadedly coupled with it.
The Y-direction mobile device 9 is fixedly mounted on the Z-direction transmission nut 83 and under the drive of Z-direction transmission nut
It is moved in z-direction along the Z-direction leading screw.The Y-direction mobile device 9 is Y-direction cylinder assembly, as shown in Fig. 2 to 3, the Y-direction
Cylinder assembly includes:The Y-direction air cylinder support 91 being fixedly mounted on the Z-direction transmission nut 83;Mounted on the Y-direction cylinder branch
Y-direction cylinder 92 on frame;Wherein, the test probe stent 41 is fixedly mounted on the piston rod of the Y-direction cylinder and in Y-direction
It is moved in the Y direction under the drive of the piston rod of cylinder.
Under control of the control system, X will be surveyed to lead screw assembly, Z-direction lead screw assembly and Y-direction cylinder assembly interoperation
Probe header 43 is moved at the test point of pantograph pan.
In addition, it is provided with to detect the Y-direction cylinder sensing that piston rod is stretched out or retracted in place in the Y-direction cylinder 92
Device, the Y-direction cylinder sensor are connected with control system.It is used to detect the Y-direction cylinder biography of piston rod stretching in place specifically, working as
After sensor detects that piston rod stretches out in place, control system is sent a signal to, control system control piston rod stops stretching out, and makes survey
Probe header 43 and the test point of pantograph pan are located on same vertical plane, and are placed exactly in the test point of pantograph pan
Among two test probes 43.
The present invention utilizes the detection device of pantograph pan resistance to the detection method of pantograph pan resistance, including following
Step:
A)Pantograph pan to be tested is placed on the bearing 11 of testboard 1, opens the inspection of pantograph pan resistance
The power supply of device is surveyed, connects source of the gas, presses test switch, is correspondingly arranged at two clamping cylinder groups of 2 both sides of pantograph pan
Pantograph pan is fixed on bearing 11 by part 3 under control of the control system;
B)After control system receives the signal being fixed on pantograph pan on bearing 11, control three-dimensional moving device drives
It moves test probe component mounted thereto to move in the X, Y, Z direction, makes the test point of test probe 43 and pantograph pan
On same vertical plane, and the test point of pantograph pan is made to be placed exactly among two test probes 43;
C)Control system is received after test probe 43 is moved to the test point of pantograph pan, controls the test probe
43 move to the test point of pantograph pan, until contacting and clamping the test point;
D)After the test probe 43 contacts and clamps the test point, the test probe 43, low resistance test dress
It puts 5 to connect to form a resistance test circuit with the test point of pantograph pan, to the resistance of the pantograph pan test point
It measures.
Wherein, control system control three-dimensional moving device act specific method be:
First, control system control X is acted simultaneously to lead screw assembly and Z-direction lead screw assembly, makes the test probe component
It is moved in X, Z-direction, the center of two test probes and the test point of pantograph pan for making the test probe component are located at
In same level;
Then, it is located in same level it in the test point of the center of described two test probes and pantograph pan
Afterwards, the action of Y-direction cylinder assembly is controlled, the test probe component is made to move in the Y direction, makes test probe 43 and pantograph pan
Test point be located on same vertical plane, and the test point of pantograph pan is made to be placed exactly among two test probes 43.
After testing the bonding resistance of a test point, control system controls three-dimensional moving device to act again, adjusts
The position of whole test probe component makes test probe be moved at next test point and measures, all until having detected
Test point.
After having detected all test points, the detection device of pantograph pan resistance restPoses, wait it is to be detected under
One pantograph pan.
It can quickly be realized using the test device of the detection device of the pantograph pan resistance of the present invention and pantograph is slided
The automatic test of the bonding resistance of each test point of plate, test resistance value synchronized upload are preserved to computer and judge to close
Lattice.
In addition, the present invention uniformly chooses multiple test points by the different position in pantograph pan, make each of selection
The bonding resistance of test point is satisfied by requiring, and improves accuracy of detection.It is of the invention meanwhile in order to further improve detection efficiency
Test probe can be accurately and rapidly moved to each test point of pantograph pan, binding test device by three-dimensional moving device
Each test point is detected, efficiently obtains the bonding resistance value of pantograph pan.
The preferred PLC of control system of the present invention.
Although above-mentioned elaborate the present invention, however, the present invention is not limited thereto, those skilled in the art can
It is modified with principle according to the present invention, therefore, the various modifications that all principles according to the invention carry out all should be understood to
Fall into protection scope of the present invention.