CN209264299U - Tractor chassis two-shipper loading running-in testing stand - Google Patents
Tractor chassis two-shipper loading running-in testing stand Download PDFInfo
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- CN209264299U CN209264299U CN201920099840.6U CN201920099840U CN209264299U CN 209264299 U CN209264299 U CN 209264299U CN 201920099840 U CN201920099840 U CN 201920099840U CN 209264299 U CN209264299 U CN 209264299U
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Abstract
The utility model relates to electro-mechanical arts, more particularly to tractor chassis two-shipper loading running-in testing stand.It includes base, traction input mechanism installed on the machine seat, input lift adjustment mechanism, test specimen installing mechanism, loading mechanism, real time data detection processing system and PLC automatic control system separately are set, said mechanism and system are connected with tractor chassis test specimen respectively；The utility model has synchronous adjustment, and real-time detection, the functions such as Cress eliminate tractor potential faults, tractor complete vehicle quality is improved, the energy has been saved, improves production efficiency, it is merged with on-line loaded, real-time detection, the beneficial effect that Cress and PLC are automatically controlled.
Description
Technical field
The utility model relates to electro-mechanical arts, more particularly to tractor chassis two-shipper loading running-in testing stand.
Background technique
Existing tractor chassis on-line loaded running-in purification technology technology is using single machine loading mode, and structure is
Underneath type, loading motor be arranged below the rear frame of chassis, motor both ends output shaft by chain type single speed than raising speed case with
Tractor chassis connects, and under loading motor and gear-box in melt pit, needs repairing once breaking down, it is necessary to spend a large amount of
Manpower and material resources complete machine hangs out disintegration, and single machine output shaft is connected with chassis left and right ends, and revolving speed is consistent always, can not carry out differential
The purpose merged completely is not achieved in test, wheel speed inconsistent situation when cannot simulate tractor turning condition；Secondly the technology
Using single speed than chain type raising speed case, gear selecting test can only be carried out, the demand of all transmission ranges of tractor cannot be covered；Again
Secondary, the technology is out of supply to the transmission system occurred in adjustment purification process, disorderly gear can only do artificial judgment, and accuracy is not high.
In short, at least having the following deficiencies: in the prior art
1. single machine loading motor volume is big, weight is big, is unfavorable for transport assembly；
2. maintenance or maintenance difficulties are big, inconvenient for operation, waste of manpower, material resources, financial resources；
3. cannot simulate tractor operating condition completely carries out differential test, cause tractor adjustment operation insufficient；
4. using single speed than raising speed case can only gear selecting test, all gears of tractor transmission system cannot be covered, there are examinations
Dead zone is tested, there are quality risks；
5. cannot out of supply, random gear that is accurate, judging automatically transmission system；
6. adjusting position using manual mode, accuracy and the degree of automation be not high.
Utility model content
The purpose of this utility model is to provide a kind of tractor chassis two-shipper loading running-in testing stands.
The purpose of this utility model is achieved through the following channels: a kind of tractor chassis two-shipper loading running-in test
Platform, it includes base, traction input mechanism installed on the machine seat, input lift adjustment mechanism, test specimen installing mechanism, load machine
Structure, separately sets real time data detection processing system and PLC automatic control system, and said mechanism and system are tried with tractor chassis respectively
Part is connected；
The base is the T-type structure being horizontally mounted, and traction input mechanism is located at the end of base longitudinal portion, input
Lift adjustment mechanism be installed on traction input mechanism and base between, test specimen installing mechanism be located at base longitudinal portion middle part and
The both ends of lateral part, loading mechanism are divided into left loading system and right loading system, and the two is respectively placed in base lateral part
Both ends；
The PLC automatic control system is electrically connected with traction input mechanism, loading mechanism.
This testing stand as a further optimization of the solution, further includes oil sources purification system；
The oil sources purification system includes oil return system, filtration system and oil supply system；
The oil return system includes connecing oil tray, oil returning tube, oil return box and liquidometer；The oil tray that connects is mounted on rear base
Middle upper part is connected through oil returning tube with oil return box；The liquidometer is mounted in oil return box, for incuding the oil level of oil return box；
The filtration system includes filter pump, strong magnetic filter, coarse filter, fine filter and associated conduit；The mistake
Filter pump, strong magnetic filter, coarse filter, fine filter connect composition filtration system through pipeline, and filter pump inlet port is placed in oil return
In case, fine filter oil outlet is placed in oil feeding reservoirs；
The oil supply system include oil feeding reservoirs, oil feed pump, throttle valve, shut-off valve, cleannes detection mouth, for oil gun and pipeline
Deng；The oil feed pump, shut-off valve, cleannes detection mouth, for oil gun connects into oil supply system through pipeline at throttle valve, and oil feed pump is inhaled
Oil pipe is placed in oil feeding reservoirs, accesses test specimen oil inlet for oil gun, is installed and is cleaned in cleannes detection mouth when detecting oil product cleannes
Detector.
The base is the horizontal T-type structure placed as a further optimization of the solution, it includes longitudinal positioned at base
Preceding base on part and the preceding base upper mounting plate and intermediate die plate that the both ends above preceding base are respectively welded；Also wrap
The rear base being located on base lateral part is included, and the left mounting plate of rear base at the both ends above rear base is respectively welded with after
The right mounting plate of base；Rolling ball linear slide rail is mounted on above above-mentioned mounting plate.
The traction input mechanism is located at one end of preceding base, including input mechanism as a further optimization of the solution,
Mounting platform, traction electric machine, input servo propulsive mechanism, pneumatic docking mechanism；
The input mechanism mounting platform is connect through rolling ball linear slide rail with lifting mounting platform；
The traction electric machine is fixedly installed in input mechanism mounting platform one end；
The input servo propulsive mechanism is installed below input mechanism mounting platform, and screw rodb base is promoted to be mounted on lifting peace
On assembling platform, nut seat is promoted to be mounted below input mechanism mounting platform, promotes screw rod bushing in propulsion nut seat, installation
It is promoting in screw rodb base, servo motor and propulsion speed reducer is promoted to be mounted on the end of screw rod；
The pneumatic docking mechanism is mounted on the other end of input mechanism mounting platform, docks through butting tooling with test specimen.
As advanced optimizing for this programme, the input lift adjustment mechanism includes lift servo system, goes up and down and lead
Column mechanism, lifting mounting platform and elevating mechanism mounting base；
The lift servo system is mounted on elevating mechanism mounting base axis, and 2 jacks are separately mounted to go up and down
Mechanism mounting base axis front and rear end, the lifting top rod top of jack below flange bolt and lifting mounting platform through connecting
It connects；Base upper mounting plate is using center line in length and breadth as the quadrangle of the axis of symmetry before 4 lifting guide pillar mechanism guide sleeves are separately mounted to
Position, guide post top flange are mounted below lifting mounting platform through bolt.
The test specimen installing mechanism is installed on intermediate die plate as a further optimization of the solution, it includes chassis
Take turns side installing mechanism, chassis front end installing mechanism and width adjusting mechanism；
The chassis wheel side installing mechanism includes left adjustment platform, left wheel holding mechanism, right adjustment platform and right wheel holding mechanism；
Above the left mounting plate of left adjustment platform base after rolling ball linear slide rail is mounted on；The left wheel holding mechanism is mounted on left tune
It flattens on the inside of platform；Above the right mounting plate of right adjustment platform base after ball linear guides are mounted on；The right support roller machine
Structure is mounted on the inside of right adjustment platform；
Chassis front end face installing mechanism includes front end face mounting base, front end face support base, front end face mounting height
Adjust tooling and front end face installation length adjustment mechanism；The front end face mounting base is mounted on base intermediate die plate front end,
It is connected with rolling ball linear slide rail；The front end face support base is mounted on front end face mounting base；The front end face mounting height
Adjustment tooling is mounted on front end face support base, replaces height adjustment tooling by height of specimen；The front end face installation length tune
Complete machine structure is mounted on one end on base intermediate die plate, connects firmly with intermediate die plate bolt, passes through screw rod, nut seat and front end
Face mounting base is connected, and drives speed reducer to control the adjustment of front end face installation length by servo motor, on intermediate die plate
Equipped with ball linear guides, front end face mounting base is connect by the sliding block on ball linear guides with intermediate die plate；
The width adjusting mechanism includes left and right double threaded screw, left-handed nut seat, right handed nuts seat, left/right screw rod support；
The left-handed end cap of left and right double threaded screw is in left-handed nut seat；Dextrorotation end cap is in right handed nuts seat；The left and right is double
Head screw rod, left and right screw support seat are mounted on above rear base, and width adjustment servo motor is mounted on the one of left and right double threaded screw
End.
The PLC automatic control system further includes electric energy feedback energy-saving control system as a further optimization of the solution,
In the electric energy feedback energy conserving system, electric energy flows to inversion unit through direct current component from the rectification unit of the driving frequency converter, is
Traction electric machine provides part electric energy and drives tractor chassis transmission system；The energy of the tractor chassis transmission system is by loading
Alternating current generator returns to direct current component through the inversion unit of loading and frequency conversion device, for driving the inversion unit of frequency converter to use, constitutes electricity
It can feedback system.
As advanced optimizing for this programme, the two-shipper loading mechanism includes left loading system and right loading system；
The left loading system being mounted on left adjustment platform, including left load output docking mechanism, the load of left Dual-speed-ratio rise
Fast case, left frequency conversion loading motor；
The right loading system being mounted on right adjustment platform, including right load output docking mechanism, the load of right Dual-speed-ratio rise
Fast case, right frequency conversion loading motor；
Left variable-frequency motor is connected by shaft coupling with left load raising speed case input terminal, and left load raising speed case output end passes through
Spline is connected with left load output docking mechanism, and right loading system and left loading system are distributed with identical symmetrical configuration.
As advanced optimizing for this programme, the PLC automatic control system includes for real-time data acquisition system
Host computer and slave computer for PLC control system；
The host computer includes the computer control system equipped with LABVIEW exploitation software, and computer control system passes through
Ethernet and slave computer carry out real-time communication；And the computer control system of the host computer and traction electric machine and load alternating current
Mechatronics；
The slave computer is led in real time by 485 buses and left loading and frequency conversion device, right loading and frequency conversion device, driving frequency converter
News；The driving frequency converter is electrically connected by AC three-phase four-wire interface with traction electric machine；The left loading and frequency conversion device passes through friendship
Stream three-phase and four-line interface is electrically connected with left loading motor；The right loading and frequency conversion device passes through AC three-phase four-wire interface and right load
Motor electrical connection；
The PLC automatic control system is electrically connected with traction input mechanism, two-shipper loading mechanism through conductive electric wire, cable
It connects；The real time data detection processing system and test specimen are connected through harness sensing element；When running-in test, the input rising-falling tone
Complete machine structure, traction input mechanism, test specimen installing mechanism, two-shipper loading mechanism, oil sources purification system, real time data detection processing system
System and PLC automatic control system are connected with test specimen is dragged respectively.
A kind of tractor chassis two-shipper loading running-in testing stand of the utility model is wheel tractor chassis transmission system band
The special equipment of load running adjustment, uses two alternating current generators as load, and gear coupling input utilizes tractor chassis
The input positioning of front end face power is used as positioning datum, loads benchmark of the support roller of position two sides as output shaft below, utilizes two
The support roller height of side determines input shaft height, and adjustment draws input mechanism height to adjust chassis level position, reaches adjustment and drag
The purpose of the transmission system on machine drawing chassis, the utility model application alternating current generator pass through as load, load alternating current generator power generation
Inversion unit feedback traction electric machine, realizes the energy feedback of loading procedure, thus up to energy-efficient effect is played.
The utility model tractor chassis two-shipper loading running-in testing stand is become by using the load in automatic control system
Frequency device controls the size of two load alternating current generator torques, achievees the purpose that control offered load, simulates different kinds of roads
The zero load of operating condition, load running situation, have the function that it is effective, thoroughly merge its transmission system and debug.
The utility model tractor chassis two-shipper loading running-in testing stand selects corresponding tractor according to tractor model
Height on front end face support base adjusts tooling, jaw clutch, and the chassis front end face that chassis is located in testing stand is installed
In mechanism, start automation control cabinet, using automatic loading running-in technology, while automatic detection chassis is out of supply, disorderly keeps off phenomenon, real
Existing driveline torque, revolving speed, automatic detection out of supply, disorderly keeping off record, and start hydraulic purification system, with high pressure, big stream
The special purification oil of amount carries out adjustment Cress to tractor chassis, eliminates, the assembly processing rubbish in purification transmission system,
Purification oil can be recycled after chassis, magnetic filter, thick, fine filter.
Compared with the prior art, the utility model tractor chassis two-shipper loading running-in testing stand has the advantages that
1. tractor chassis two-shipper loading running-in testing stand is a new technology, this kind of testing equipment is original
It continuously improves, innovate on the basis of tractor and automobile chassis load run-in stand, single loading motor is become into two-shipper load,
It is uneven to avoid load, runs the problems such as unstable, specifically address cannot simulate tractor bend operating condition carry out it is poor
The problem of speed test, keep the adjustment of tractor transmission system more effective.
2. the utility model structure becomes overhead from underneath type, solve the problems such as installation, maintenance, repair, one
It is not need to drill with digging in installation process, second is that loading system does not need unit assembling of ship machinery disintegration, time saving, province when breaking down
Power improves efficiency.
3. using Dual-speed-ratio raising speed case, the period of adjustment covers all gears of tractor transmission system, and adjustment thoroughly, excludes
Hidden danger of quality, improves whole vehicle stability.
4. using PLC automated control technology, transmission can be detected while loading running-in with digital control loaded load
System is out of supply, disorderly gear problem, timely offline processing, solution greatly reduce product repair rate, reduce after service cost
And quality cost.
5. manually adjusting position is changed to servo adjustment, accuracy is improved.
6. using hydraulic purification techniques, is filtered by strong Magnetic filter, coarse filtration, essence, remove the metal rubbish in transmission system
Rubbish and fiber rubbish, improve the cleannes of equipment, eliminate the potential hidden danger of quality of tractor, improve the use of tractor
Service life.
7. electric energy feedback technology, through the energy feedback in digital control realization loading procedure, during loading running-in
The electric energy that load generates feeds back to control system by system inversion processing and provides power supply, energy saving 30%-60% highest for testing stand
Fractional energy savings is 78.85%, and data are through agricultural machinery Jian Ce master station, Minister Agriculture of China Test Identification；
8. tractor chassis two-shipper loading running-in testing stand promotes tractor on-line loaded running-in purification technology to another
A height has not only saved resource, the energy, place, and improves reliability, stability that complete machine uses, reduces costs,
It eliminates simultaneously and merges cleaning bring environmental pollution after sale, be item collection load, adjustment, purification, detect the energy conservation being integrated
Lower consumption antipollution automation new technique.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawing:
Fig. 1 is the utility model general assembly overlooking structure diagram；
Fig. 2 is the utility model general assembly positive structure diagram；
Fig. 3 is the utility model general assembly side structure schematic view；
Fig. 4 is rack overlooking structure diagram in the utility model；
Fig. 5 is rack side structure schematic view in the utility model；
Fig. 6 is that input mechanism structural schematic diagram is drawn in the utility model；
Fig. 7 is lift adjustment mechanism structure schematic diagram in the utility model；
Fig. 8 is left loading system structural schematic diagram in the utility model；
Fig. 9 is oil sources purification system structural schematic diagram in the utility model；
Figure 10 is electric control part block diagram in the utility model.
Specific embodiment
As shown in Figure 1, 2, 3, a kind of tractor chassis two-shipper loading running-in testing stand, it includes base 1, is installed on base
Traction input mechanism 2, input lift adjustment mechanism 36, test specimen installing mechanism 3, loading mechanism 22 on 1, separately set real time data inspection
It surveys processing system 66 and PLC automatic control system 67, said mechanism and system is connected with tractor chassis test specimen 14 respectively；
The base 1 is the T-type structure being horizontally mounted, and traction input mechanism 2 is located at the end of 1 longitudinal portion of base,
Input lift adjustment mechanism 36 is installed between traction input mechanism 2 and base 1, and test specimen installing mechanism 3 is located at 1 longitudinal direction portion of base
Point middle part and lateral part both ends, loading mechanism 22 divides for left loading system 7 and right loading system 20, and the two is respectively placed in
The both ends of 1 lateral part of base；
The PLC automatic control system 67 is electrically connected with traction input mechanism 2, loading mechanism 22.
As shown in figure 9, the oil sources purification system includes oil return system, filtration system and oil supply system；
The oil return system includes connecing oil tray 54, oil returning tube 55, oil return box 56 and liquidometer 57；It is described to connect the peace of oil tray 54
It is connected through oil returning tube 55 with oil return box 56 mounted in rear 28 middle upper part of base；The liquidometer 57 is mounted in oil return box 56,
For incuding the oil level of oil return box；
The filtration system includes filter pump 58, strong magnetic filter 59, coarse filter 60, fine filter 61 and relevant tube
Road；The filter pump 58, strong magnetic filter 59, coarse filter 60, fine filter 61 connect composition filtration system, filtering through pipeline
It pumps in 58 inlet ports merging oil return box 56,61 oil outlet of fine filter is placed in oil feeding reservoirs；
The oil supply system include oil feeding reservoirs 63, oil feed pump 62, throttle valve, shut-off valve, cleannes detection mouth, for oil gun and
Pipeline etc.；The oil feed pump 62, shut-off valve, cleannes detection mouth, for oil gun connects into oil supply system through pipeline at throttle valve, supplies
62 fuel sucking pipe of oil pump is placed in oil feeding reservoirs 63, accesses test specimen oil inlet for oil gun, is detected when detecting oil product cleannes in cleannes
Mouth installation cleaning detector.
As shown in Figure 4,5, the base 1 is the horizontal T-type structure placed, it includes being located on 1 longitudinal portion of base
Preceding base 41 and the preceding base upper mounting plate 43 and intermediate die plate 30 that the both ends above preceding base 41 are respectively welded；Also wrap
The rear base 28 being located on 1 lateral part of base is included, and the left installation of rear base at the both ends above rear base 28 is respectively welded
Plate 23 and the right mounting plate 27 of rear base；Rolling ball linear slide rail is mounted on above above-mentioned mounting plate.
As shown in fig. 6, described one end drawn input mechanism 2 and be located at preceding base 41, including input mechanism mounting platform 49,
Traction electric machine 51, input servo propulsive mechanism 44, pneumatic docking mechanism 52；
The input mechanism mounting platform 49 is connect through rolling ball linear slide rail with lifting mounting platform 38；
The traction electric machine 51 is fixedly installed in 49 one end of input mechanism mounting platform；
The input servo propulsive mechanism 44 is installed on 49 lower section of input mechanism mounting platform, and screw rodb base 47 is promoted to be mounted on
It goes up and down on mounting platform 38, promotes nut seat 50 to be mounted on 49 lower section of input mechanism mounting platform, promote screw rod 48 to be sleeved on and push away
It into nut seat 50, is mounted on and promotes in screw rodb base 47, servo motor 45 and propulsion speed reducer 46 is promoted to be mounted on the end of screw rod
Portion；
The pneumatic docking mechanism 52 is mounted on the other end of input mechanism mounting platform 49, through butting tooling and test specimen 14
Docking.
As shown in fig. 7, the input lift adjustment mechanism 36 include lift servo system 37, lifting guide pillar mechanism 40,
Go up and down mounting platform 38 and elevating mechanism mounting base 35；
The lift servo system 37 is mounted on 35 axis of elevating mechanism mounting base, and 2 jacks are separately mounted to
39 top of lifting top rod of 35 axis front and rear end of elevating mechanism mounting base, jack is flat through flange bolt and lifting installation
38 connect below platform；Base upper mounting plate 43 is before 4 lifting guide pillar mechanism guide sleeves 42 are separately mounted to center line in length and breadth
The corner location of the axis of symmetry, guide post top flange are mounted on 38 lower section of lifting mounting platform through bolt.
The test specimen installing mechanism is installed on intermediate die plate 30, it includes before side installing mechanism 15, chassis are taken turns in chassis
Hold installing mechanism 31 and width adjusting mechanism 24；
The chassis wheel side installing mechanism 15 includes left adjustment platform 11, left wheel holding mechanism 25, right adjustment platform 16 and the right side
Wheel holding mechanism 26；Left 23 top of mounting plate of the left base after rolling ball linear slide rail is mounted on of adjustment platform 11；The left support
Wheel mechanism 25 is mounted on left 11 inside of adjustment platform；Right adjustment platform 16 right peace of base after ball linear guides are mounted on
27 top of loading board；The right wheel holding mechanism 26 is mounted on right 16 inside of adjustment platform；
Chassis front end face installing mechanism 31 includes front end face mounting base 32, front end face support base 33, front end face peace
Dress height adjustment tooling 34 and front end face installation length adjustment mechanism 29；The front end face mounting base 32 is mounted among base
30 front end of mounting plate, is connected with rolling ball linear slide rail；The front end face support base 33 is mounted on front end face mounting base 32；Institute
It states front end face mounting height adjustment tooling 34 to be mounted on front end face support base 33, replaces height adjustment tooling by height of specimen；
The front end face installation length adjustment mechanism 29 is mounted on one end on base intermediate die plate 30, with 30 bolt of intermediate die plate
It connects firmly, is connected by screw rod, nut seat with front end face mounting base, drive speed reducer to control front end face peace by servo motor
The adjustment of length is filled, ball linear guides are housed, front end face mounting base is by being mounted in ball linear guides on intermediate die plate
On sliding block connect with intermediate die plate；
The width adjusting mechanism 24 includes left and right double threaded screw 6, left-handed nut seat 5, right handed nuts seat 21, left/right silk
Rod bearing 13；The left-handed end cap of the left and right double threaded screw 6 is in left-handed nut seat 5；Dextrorotation end cap is mounted in right handed nuts seat 21
It is interior；The left and right double threaded screw, left and right screw support seat are mounted on above rear base, and width adjustment servo motor 4 is mounted on a left side
One end of right double threaded screw.
As shown in figure 8, the two-shipper loading mechanism includes left loading system 7 and right loading system 20；
The left loading system 7 being mounted on left adjustment platform 11, including left load output docking mechanism 10, left Dual-speed-ratio add
Carry raising speed case 8, left frequency conversion loading motor 9；
The right loading system 20 being mounted on right adjustment platform 16, including right load export docking mechanism 17, right Dual-speed-ratio
Load raising speed case 19, right frequency conversion loading motor 18；
Left variable-frequency motor is connected by shaft coupling with left load raising speed case input terminal, and left load raising speed case output end passes through
Spline is connected with left load output docking mechanism, and right loading system and left loading system are distributed with identical symmetrical configuration.
As shown in Figure 10, the PLC automatic control system 65 include for real-time data acquisition system host computer 66 and
Slave computer 67 for PLC control system；
The host computer 66 includes the computer control system equipped with LABVIEW exploitation software, and computer control system is logical
It crosses Ethernet and slave computer carries out real-time communication；And the computer control system of the host computer is exchanged with traction electric machine and load
Motor electrical connection；
The slave computer is carried out by 485 buses and left loading and frequency conversion device 69, right loading and frequency conversion device 68, driving frequency converter 70
Real-time communication；The driving frequency converter 70 is electrically connected by AC three-phase four-wire interface with traction electric machine 51；The left load becomes
Frequency device 69 is electrically connected by AC three-phase four-wire interface with left loading motor 9；The right loading and frequency conversion device 68 passes through AC three-phase
Four-wire interface is electrically connected with right loading motor 18；
The PLC automatic control system 65 and traction input mechanism 2, two-shipper loading mechanism 22 through conductive electric wire, cable into
Row electrical connection；The real time data detection processing system 66 is connect with test specimen 14 through harness sensing element；It is described when running-in test
Input lift adjustment mechanism 36, traction input mechanism 2, test specimen installing mechanism 3, two-shipper loading mechanism 22, oil sources purification system 64,
Real time data detection processing system 66 and PLC automatic control system 65 are connected with test specimen 14 is dragged respectively.
The PLC automatic control system further includes electric energy feedback energy-saving control system, in the electric energy feedback energy conserving system, electricity
Inversion unit can be flowed to through direct current component from the rectification unit of the driving frequency converter, provide part electric energy for traction electric machine and drive
Tractor chassis transmission system；The energy of the tractor chassis transmission system is by load alternating current generator through the inverse of loading and frequency conversion device
Become unit and return to direct current component, for driving the inversion unit of frequency converter to use, constitutes electric energy feedback system.
When work, the tractor chassis test specimen is mounted on tractor chassis two-shipper loading running-in testing stand, is started
After the testing stand, automatic control system carries out loading running-in to chassis stepping automatically, while starting oil sources purification system, hydraulic oil
Pump draws purification oil, and through flow control valve, pressure-control valve to carry out adjustment cleaning to tractor chassis with high pressure, big flow net
Change, tested detection by automatic control system to tractor chassis in the period of adjustment, purification it is oily through strong Magnetic filter, slightly,
It is recycled after the three-stage filtrations such as essence filtering.Purification oil by diesel oil, lubricating oil, THIF-305 oiliness detergent in proportion
3: 2: 1 compositions.
Claims (9)
1. a kind of tractor chassis two-shipper loading running-in testing stand, it is characterised in that: it includes base, installed on the machine seat to lead
Draw input mechanism, input lift adjustment mechanism, test specimen installing mechanism, loading mechanism, separately set real time data detection processing system and
PLC automatic control system, said mechanism and system are connected with tractor chassis test specimen respectively；
The base is the T-type structure being horizontally mounted, and traction input mechanism is located at the end of base longitudinal portion, input lifting
Adjustment mechanism is installed between traction input mechanism and base, and test specimen installing mechanism is located at middle part and the transverse direction of base longitudinal portion
Partial both ends, loading mechanism are divided into left loading system and right loading system, and the two is respectively placed in the both ends of base lateral part；
The PLC automatic control system is electrically connected with traction input mechanism, loading mechanism.
2. tractor chassis two-shipper loading running-in testing stand as described in claim 1, it is characterised in that: this testing stand also wraps
Include oil sources purification system；
The oil sources purification system includes oil return system, filtration system and oil supply system；
The oil return system includes connecing oil tray, oil returning tube, oil return box and liquidometer；The oil tray that connects is mounted among rear base
Top is connected through oil returning tube with oil return box；The liquidometer is mounted in oil return box, for incuding the oil level of oil return box；
The filtration system includes filter pump, strong magnetic filter, coarse filter, fine filter and associated conduit；The filter pump,
Strong magnetic filter, coarse filter, fine filter connect composition filtration system through pipeline, and filter pump inlet port is placed in oil return box,
Fine filter oil outlet is placed in oil feeding reservoirs；
The oil supply system include oil feeding reservoirs, oil feed pump, throttle valve, shut-off valve, cleannes detection mouth, for oil gun and pipeline etc.；
The oil feed pump, shut-off valve, cleannes detection mouth, for oil gun connects into oil supply system, fuel feeding oil pump suction tube through pipeline at throttle valve
It is placed in oil feeding reservoirs, accesses test specimen oil inlet for oil gun, cleaning detection is installed in cleannes detection mouth when detecting oil product cleannes
Instrument.
3. tractor chassis two-shipper loading running-in testing stand as described in claim 1, it is characterised in that: the base is level
The T-type structure of placement, it includes the preceding base on base longitudinal portion and the both ends above preceding base is respectively welded
Preceding base upper mounting plate and intermediate die plate；Further include the rear base on base lateral part, and is respectively welded in rear
The left mounting plate of rear base and the right mounting plate of rear base at both ends above base.
4. tractor chassis two-shipper loading running-in testing stand as described in claim 1, it is characterised in that: the traction input machine
Structure is located at one end of preceding base, including input mechanism mounting platform, traction electric machine, input servo propulsive mechanism, pneumatic docking machine
Structure；
The input mechanism mounting platform is connect through rolling ball linear slide rail with lifting mounting platform；
The traction electric machine is fixedly installed in input mechanism mounting platform one end；
The input servo propulsive mechanism is installed below input mechanism mounting platform, promotes screw rodb base to be mounted on lifting installation flat
On platform, nut seat is promoted to be mounted below input mechanism mounting platform, promotes screw rod bushing mounted in promoting in nut seat, be mounted on and push away
Into in screw rodb base, servo motor and propulsion speed reducer is promoted to be mounted on the end of screw rod；
The pneumatic docking mechanism is mounted on the other end of input mechanism mounting platform, docks through butting tooling with test specimen.
5. tractor chassis two-shipper loading running-in testing stand as described in claim 1, it is characterised in that: the input lifting
Adjustment mechanism includes lift servo system, lifting guide pillar mechanism, lifting mounting platform and elevating mechanism mounting base；
The lift servo system is mounted on elevating mechanism mounting base axis, and platform jack is separately mounted to elevating mechanism peace
Bottom plate axis front and rear end is filled, is connect at the top of the lifting top rod of jack through flange bolt and lifting mounting platform lower section；4
Base mounting plate is using center line in length and breadth as the corner location of the axis of symmetry, guide post before lifting guide pillar mechanism guide sleeve is separately mounted to
Top flange is mounted below lifting mounting platform through bolt.
6. tractor chassis two-shipper loading running-in testing stand as described in claim 1, it is characterised in that: the test specimen fitting machine
Structure it include chassis wheel side installing mechanism, chassis front end installing mechanism and width adjusting mechanism；
The chassis wheel side installing mechanism includes left adjustment platform, left wheel holding mechanism, right adjustment platform and right wheel holding mechanism；It is described
Above the left mounting plate of left adjustment platform base after rolling ball linear slide rail is mounted on；It is flat that the left wheel holding mechanism is mounted on left adjustment
On the inside of platform；Above the right mounting plate of right adjustment platform base after ball linear guides are mounted on；The right wheel holding mechanism peace
On the inside of right adjustment platform；
Chassis front end face installing mechanism includes front end face mounting base, front end face support base, the adjustment of front end face mounting height
Tooling and front end face installation length adjustment mechanism；The front end face mounting base is mounted on base intermediate die plate front end, with rolling
The connection of pearl linear slide rail；The front end face support base is mounted on front end face mounting base；The front end face mounting height adjustment
Tooling is mounted on front end face support base, replaces height adjustment tooling by height of specimen；The front end face installation length adjusts machine
Structure is mounted on one end on base intermediate die plate, connects firmly with intermediate die plate bolt, is pacified by screw rod, nut seat and front end face
Dress bottom plate is connected, and the adjustment of speed reducer control front end face installation length is driven by servo motor, is equipped on intermediate die plate
Ball linear guides, front end face mounting base are connect by the sliding block on ball linear guides with intermediate die plate；
The width adjusting mechanism includes left and right double threaded screw, left-handed nut seat, right handed nuts seat, left/right screw rod support；It is described
Double threaded screw left-handed end cap in left and right is in left-handed nut seat；Dextrorotation end cap is in right handed nuts seat；The left and right double end spiral shell
Bar, left and right screw support seat are mounted on above rear base, and width adjustment servo motor is mounted on one end of left and right double threaded screw.
7. tractor chassis two-shipper loading running-in testing stand as described in claim 1, it is characterised in that: the PLC is controlled automatically
System processed further includes electric energy feedback energy-saving control system, in the electric energy feedback energy conserving system, rectification of the electric energy from driving frequency converter
Unit flows to inversion unit through direct current component, provides part electric energy for traction electric machine and drives tractor chassis transmission system；It is described
The energy of tractor chassis transmission system returns to direct current component through the inversion unit of loading and frequency conversion device by load alternating current generator, for driving
The inversion unit of dynamic frequency converter uses, and constitutes electric energy feedback system.
8. tractor chassis two-shipper loading running-in testing stand as described in claim 1, it is characterised in that: the two-shipper loads machine
Structure includes left loading system and right loading system；
It is mounted on left loading system on left adjustment platform, including left load output docking mechanism, left Dual-speed-ratio load raising speed case, a left side
Frequency conversion loading motor；
The right loading system being mounted on right adjustment platform, including right load exports docking mechanism, right Dual-speed-ratio loads raising speed case,
Right frequency conversion loading motor；
Left variable-frequency motor is connected by shaft coupling with left load raising speed case input terminal, and left load raising speed case output end passes through spline
It is connected with left load output docking mechanism, right loading system and left loading system are distributed with identical symmetrical configuration.
9. tractor chassis two-shipper loading running-in testing stand as described in claim 1, it is characterised in that: the PLC is controlled automatically
System processed includes the host computer for real-time data acquisition system and the slave computer for PLC control system；
The host computer includes the computer control system equipped with LABVIEW exploitation software, and computer control system passes through ether
Net and slave computer carry out real-time communication；And the computer control system of the host computer and traction electric machine and load alternating current are electromechanical
Connection；
The slave computer carries out real-time communication by 485 buses and left loading and frequency conversion device, right loading and frequency conversion device, driving frequency converter；
The driving frequency converter is electrically connected by AC three-phase four-wire interface with traction electric machine；The left loading and frequency conversion device passes through exchange three
Phase four-wire interface is electrically connected with left loading motor；The right loading and frequency conversion device passes through AC three-phase four-wire interface and right loading motor
Electrical connection；
The PLC automatic control system is electrically connected with traction input mechanism, two-shipper loading mechanism through conductive electric wire, cable；
The real time data detection processing system and test specimen are connected through harness sensing element；When running-in test, the input lift adjustment
Mechanism, traction input mechanism, test specimen installing mechanism, two-shipper loading mechanism, oil sources purification system, real time data detection processing system
And PLC automatic control system is connected with test specimen is dragged respectively.
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| CN201920099840.6U CN209264299U (en) | 2019-01-22 | 2019-01-22 | Tractor chassis two-shipper loading running-in testing stand |
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| CN201920099840.6U CN209264299U (en) | 2019-01-22 | 2019-01-22 | Tractor chassis two-shipper loading running-in testing stand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520751A (en) * | 2019-01-22 | 2019-03-26 | 湘潭科达电工专用成套设备有限责任公司 | Tractor chassis two-shipper loading running-in testing stand |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520751A (en) * | 2019-01-22 | 2019-03-26 | 湘潭科达电工专用成套设备有限责任公司 | Tractor chassis two-shipper loading running-in testing stand |
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