A kind of snowplough torque master and its magnetic loaded type torque sensing approach
Technical field
The present invention relates to a kind of snowplough torque masters, especially for oil-engine driven wheeled hand steered snowplough
Torque master.
Background technique
The universal snowfall of the northern area of China winter, snowfall cause very big influence to communications and transportation, trip etc., and the whole nation needs
The highway mileage of snow removing accounts for the nearly half in the whole nation.With the swift and violent growth of volume of transport, influence of the Winter Snow to traffic is
The problem of cannot ignoring as one.Due to artificial first snow inefficiency, wheeled hand steered snowplough driven by the internal combustion engine is obtained
It is widely applied.In view of the operating condition of snowplough is severe, in order to ensure snowplough can be in rugged snow face normally
Traveling, therefore be required to carry out the measurement of output torque when snowplough appears on the scene offline.
The Torque test of current snowplough, which generally passes through, manually to carry out, which can only turn the output of snowplough
Square carries out qualitative detection, can not generate the examining report of specification, and inefficiency, it is difficult to meet lean production and export audit
Related request.Also there is part manufacturer to take automatic detection system and complete Torque test, but such equipment is often using weight
Object combination pulley mechanism realizes load, and structure is complicated, refers to huge, is unfavorable for the improvement of existing production line.Present people thirst for
A kind of snowplough torque master and its magnetic loaded type torque sensing approach solve the problems in reality.
Summary of the invention
The purpose of the present invention is overcome the deficiencies of the prior art and provide a kind of snowplough torque master and its magnetic to add
Load formula torque sensing approach.
Snowplough torque master includes main support, the first rolling bearing units, the first roll shaft, the second rolling bearing units, third
Rolling bearing units, the second roll shaft, the 4th rolling bearing units, first shaft coupling, torque sensor, second shaft coupling, magnetic powder brake, support
Plate is lifted, the first guide rail, first cylinder is lifted, electromagnet, load cylinder, second lifts cylinder, the second guide rail, secondary support;First
Roll shaft both ends are connected on main support via the first rolling bearing units, the second rolling bearing units respectively, the second roll shaft both ends respectively via
Third rolling bearing units, the 4th rolling bearing units are connected on main support, and torque sensor, magnetic powder brake are separately fixed at main support
It is upper and with the second roll shaft coaxial line, torque sensor one end is connected via first shaft coupling with the second roll shaft, and torque sensor is another
One end is connected via second shaft coupling with magnetic powder brake, is equipped between the first roll shaft and the second roll shaft and lifts plate, lifts plate one
End is connected via the first guide rail with main support, lifts the plate other end and is connected via the second guide rail with main support, secondary support is fixed on
Inside main support, load cylinder, which is located at, to be lifted immediately below plate middle position and is fixed on secondary support, electromagnet and load cylinder
Piston end be connected, lift to be equipped between plate and secondary support close to the first guide rail side and first lift cylinder, first lifts cylinder
Cylinder body end is connected with secondary support, and first lifts cylinder piston end is connected with plate is lifted, and lifts between plate and secondary support close to second
Guide rail side is equipped with and second lifts cylinder, and second lifts cylinder block end is connected with secondary support, second lift cylinder piston end and
Plate is lifted to be connected.
The plate middle position of lifting of snowplough torque master is equipped with opening, which may insure load cylinder
Pistons end and electromagnet pass through.
The load cylinder of snowplough torque master is twin shaft or three axis cylinders.
The magnetic loaded type torque sensing approach of snowplough torque master the following steps are included:
1) reset snowplough torque master, it is ensured that first lift cylinder, second lift cylinder, load cylinder be in contracting
The state of returning, electromagnet, magnetic powder brake are not powered on;
2) snowplough to be detected is pushed into snowplough torque master, and ensures that the tire of snowplough is located at the first roll shaft
And second between roll shaft;
3) cylinder ejector is loaded, the electromagnet for being fixed on load cylinder piston end is driven to move upwards and hold out against to be measured sweep
Snow machine bottom end metal shell;
4) it is powered to electromagnet, snowplough to be measured is adsorbed on electromagnet by magneticaction;
5) load cylinder is shunk, and electromagnet moves downward, and snowplough to be measured is tensed on the first roll shaft and the second roll shaft;
6) start snowplough to be measured, adjust throttle and speed changer to extremely operating condition to be measured;
7) magnetic powder brake power supply is connected, and incrementally increases the braking moment of magnetic powder brake, torque passes in this step
Sensor records torque numerical value in real time;
8) after torque record, snowplough to be measured is closed, while loading cylinder ejector, electromagnet (15) and magnetic powders brake
Device power supply disconnects;
9) cylinders retract is loaded, while first lifts cylinder and second and lift cylinder ejector, plate rising is lifted in drive, will be swept
Snow machine jacks up;
10) after snowplough being pushed away detection device, first, which lifts cylinder and second, lifts cylinder withdrawal, device reset;
11) step 2) -10 is repeated), until completing the Rotating speed measring of all snowploughs.
Using the present invention, the snowplough Torque test of automation may be implemented, detection efficiency is high, easy to operate.While by
In using magnetic-type loading method, solves existing equipment by the way that structure is complicated, mentions existing for weight and pulley mechanism load
And the problems such as huge.The liftout attachment added simultaneously, can be by snowplough before two roll shafts after the completion of sweeping away snow machine testing
It jacks up, it is ensured that the smooth release of snowplough reduces labor intensity of workers.The use of magnetic powder brake, realizes brake force
The a wide range of electrodeless adjustment of square, it is applied widely.In addition, the present invention also has compact-sized, good reliability, it is convenient for existing detection
The advantages that line is transformed.
Detailed description of the invention
Fig. 1 is the schematic diagram of snowplough torque master;
Fig. 2 is the lower half portion schematic diagram of machine detecting device of sweeping away snow;
Fig. 3 be sweep away snow machine detecting device magnetic load and ejecting mechanism schematic diagram;
Fig. 4 is sweep away snow machine detecting device reset state schematic diagram (hiding the first roll shaft);
Fig. 5 is sweep away snow machine detecting device magnetic loading mechanism operation schematic diagram (hiding the first roll shaft);
Fig. 6 is sweep away snow machine detecting device ejecting mechanism operation schematic diagram (hiding the first roll shaft);
Fig. 7 is sweep away snow machine detecting device magnetic loading mechanism operation schematic diagram (comprising snowplough, hiding the second roll shaft);
Fig. 8 is sweep away snow machine detecting device detection schematic diagram (comprising snowplough);
Fig. 9 is sweep away snow machine detecting device practical application schematic diagram (comprising snowplough, floor).
In figure, main support 1, the first rolling bearing units 2, the first roll shaft 3, the second rolling bearing units 4, third rolling bearing units 5, second
Roll shaft 6, first shaft coupling 8, torque sensor 9, second shaft coupling 10, magnetic powder brake 11, lifts plate at the 4th rolling bearing units 7
12, the first guide rail 13, first lift cylinder 14, electromagnet 15, load cylinder 16, second lift cylinder 17, the second guide rail 18, secondary
Bracket 19.
Specific embodiment
As shown in Figure 1, 2, a kind of snowplough torque master includes main support 1, the first rolling bearing units 2, the first roll shaft
3, the second rolling bearing units 4, third rolling bearing units 5, the second roll shaft 6, the 4th rolling bearing units 7, first shaft coupling 8, torque sensor
9, second shaft coupling 10, magnetic powder brake 11, lift plate 12, the first guide rail 13, first lift cylinder 14, electromagnet 15, load
Cylinder 16, second lift cylinder 17, the second guide rail 18, secondary support 19;First roll shaft, 3 both ends respectively via the first rolling bearing units 2,
Second rolling bearing units 4 are connected on main support 1, and 6 both ends of the second roll shaft are respectively via third rolling bearing units 5, the 4th rolling bearing units 7
It is connected on main support 1, torque sensor 9, magnetic powder brake 11 are separately fixed on main support 1 and coaxial with the second roll shaft 6
Line, 9 one end of torque sensor are connected via first shaft coupling 8 with the second roll shaft 6, and 9 other end of torque sensor is via second
Axis device 10 is connected with magnetic powder brake 11, is equipped between the first roll shaft 3 and the second roll shaft 6 and lifts plate 12, lifts 12 one end of plate warp
It is connected by the first guide rail 13 with main support 1, lifts 12 other end of plate and be connected via the second guide rail 18 with main support 1, secondary support 19
It is fixed on inside main support 1, load cylinder 16, which is located at, to be lifted immediately below 12 middle position of plate and be fixed on secondary support 19, electromagnetism
Iron 15 is connected with the piston end of load cylinder 16, lifts and is equipped with first close to 13 side of the first guide rail between plate 12 and secondary support 19
Cylinder 14 is lifted, first lifts 14 cylinder body end of cylinder is connected with secondary support 19, and first lifts 14 piston end of cylinder and lift plate 12
It is connected, lifts and lift cylinder 17 equipped with second close to 18 side of the second guide rail between plate 12 and secondary support 19, second lifts cylinder
17 cylinder body ends are connected with secondary support 19, and second lifts 17 piston end of cylinder is connected with plate 12 is lifted.
As shown in Figure 1,3, snowplough torque master lifts 12 middle position of plate and is equipped with opening, which can be with
Ensure to load 16 pistons end of cylinder and electromagnet 15 and pass through.
As shown in Figure 2,3, the load cylinder 16 of snowplough torque master is twin shaft or three axis cylinders, in order to ensure electricity
Magnet 15 adsorbs normally, therefore, to assure that load 16 piston of cylinder cannot rotate during the work time;Uniaxial cylinder nothing itself
Method anti-rotation needs that guide rail is cooperated to realize this function, this can significantly increase system bulk, and then causes to lift 12 middle opening of plate
Increase, and then influences intensity;Therefore the twin shaft or three axis cylinders for selecting high integration are as load cylinder 16, to avoid above-mentioned
The generation of problem.
The magnetic loaded type torque sensing approach of snowplough torque master the following steps are included:
1) as shown in Fig. 1,4, snowplough torque master is resetted, it is ensured that first lifts cylinder 14, second lifts cylinder
17, load cylinder 16 is in retracted mode, and electromagnet 15, magnetic powder brake 11 are not powered on;
2) as shown in figure 8, snowplough to be detected is pushed to snowplough torque master, and ensure the wheel position of foetus of snowplough
Between the first roll shaft 3 and the second roll shaft 6, when being pushed into snowplough to be measured according to from the second roll shaft 6 to the side of the first roll shaft 3
To snowplough being caused to go out to avoid because of maloperation since the first roll shaft 3 is always maintained at idle running;
3) as shown in Fig. 5,7, load cylinder 16 eject, drive be fixed on load 16 pistons end of cylinder electromagnet 15 to
Upper movement simultaneously holds out against snowplough bottom end to be measured metal shell;
4) it is powered to electromagnet 15, snowplough to be measured is adsorbed on electromagnet 15 by magneticaction;
5) load cylinder 16 is shunk, and electromagnet 15 moves downward, and snowplough to be measured is tensed in the first roll shaft 3 and the second roller
On axis 6, this step completes load to snowplough to be measured, thus increase snowplough tire and the first roll shaft 3 and the second roll shaft 6 it
Between maximal friction, avoid the problem that occurring tyre slip in measurement process;
6) start snowplough to be measured, adjust throttle and speed changer to extremely operating condition to be measured;
7) 11 power supply of magnetic powder brake is connected, and incrementally increases the braking moment of magnetic powder brake 11, is turned in this step
Square sensor 9 records torque numerical value in real time;
8) after torque record, snowplough to be measured is closed, while loading the ejection of cylinder 16, electromagnet 15 and magnetic powders brake
11 power supply of device disconnects;Electromagnet power supply disconnection movement carries out after the ejection completely of load cylinder 16, so that moment be avoided to unload
Cause system shock;
9) as shown in fig. 6, load cylinder 16 retract, while first lift cylinder 16 and second lift cylinder 17 ejection, band
It is dynamic to lift the rising of plate 12, snowplough is jacked up;Gap between first roll shaft 3 and the second roll shaft 6 causes snowplough to be difficult to directly
Release, therefore after measurement, by lift plate (12) by snowplough tire jack up to the first roll shaft 3 and the second roll shaft 6
Apex height, consequently facilitating snowplough is released equipment by worker;
10) as shown in figure 4, after snowplough is pushed away detection device, first, which lifts cylinder 16 and second, lifts the receipts of cylinder 17
It returns, device reset;
11) step 2) -10 is repeated), until completing the Rotating speed measring of all snowploughs.
As shown in figure 9, for the ease of the push-in and release of snowplough to be measured, snowplough torque master can be arranged in
Floor is hereinafter, detection of the floor in 6 range inner opening of the first roll shaft 3 and the second roll shaft, for snowplough.