CN205620115U - Durable degree testing arrangement of fork truck portal - Google Patents
Durable degree testing arrangement of fork truck portal Download PDFInfo
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- CN205620115U CN205620115U CN201620312907.6U CN201620312907U CN205620115U CN 205620115 U CN205620115 U CN 205620115U CN 201620312907 U CN201620312907 U CN 201620312907U CN 205620115 U CN205620115 U CN 205620115U
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- door frame
- load
- forklift door
- valve
- hoists
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Abstract
The utility model discloses a durable degree testing arrangement of fork truck portal, play to rise the deformation simulation guide rail, play to rise hydraulic system, load loading system and controller including test platform, portal, the fork truck portal is suitable for the in the horizontal position to be in test platform is last, the portal rises to rise the deformation simulation guide rail to be installed test platform is last, the interior portal of fork truck portal is in rising to rise in -process slidable mounting spur the portal rises to rise on the deformation simulation guide rail, rise to rise hydraulic system be suitable for with the fork truck portal links to each other, load loading system be suitable for with the fork truck portal links to each other, the controller respectively with the fork truck portal rise to rise hydraulic system with the communication of load loading system. According to the utility model discloses a durable degree testing arrangement of fork truck portal has advantages such as easy operation, safe and reliable, application scope guangZhou.
Description
Technical field
This utility model relates to Vehicle Engineering technical field, especially relates to a kind of forklift door frame durability degree test device.
Background technology
Forklift door frame durability degree test device in correlation technique generally uses vertically places the side carrying out testing by door frame
Method, but owing to by test site limitation in height, being only capable of the durability degree test of 3m standard door frame at present, and
This method of testing danger is high.Further, since forklift door frame series comprises the door frame of various height, huge number,
Existing test device and method can not meet differing heights and different types of door frame testing requirement, it is impossible to effectively and rapidly
The design problem of feedback forklift door frame.
Utility model content
This utility model is intended at least to solve one of technical problem present in prior art.To this end, this utility model carries
Go out a kind of forklift door frame durability degree test device, described forklift door frame durability degree test device have easily operated, safe and reliable,
The advantage such as applied widely.
Forklift door frame durability degree test device according to this utility model embodiment, including: test platform, described forklift door frame
Be suitable to horizontally-arranged on described test platform；Hoist deformation simulative guide rail for simulating the door frame of described forklift door frame deformation, described
The door frame deformation simulative guide rails assembling that hoists is on described test platform, and the inner upright mounting of described forklift door frame can be slided during hoisting
It is supported on described door frame to hoist on deformation simulative guide rail dynamicly；The hydraulic pressure that hoists of power is provided for hoisting for described forklift door frame
System, described in the hydraulic system that hoists be suitable to be connected with described forklift door frame；For executing loaded load to described forklift door frame
Loading system, described load loading system is suitable to be connected with described forklift door frame；Controller, described controller is respectively with described
Forklift door frame, described in hoist hydraulic system and described load loading system communication.
According to this utility model embodiment forklift door frame durability degree test device, by by horizontally-arranged for forklift door frame at test platform
On, and, utilize and hoist hydraulic system and load hoisting and declining of loading system simulation forklift door frame, it is easy to operation, peace
The most reliable and applied widely.
It addition, test device according to the forklift door frame durability degree of this utility model embodiment also there is following additional technology spy
Levy:
According to embodiments more of the present utility model, described in the hydraulic system that hoists include: hoist fuel tank；Hoist overflow valve, institute
State the overflow valve that hoists to be connected with the described fuel tank that hoists by oil pump；Driver, described driver is connected with described oil pump；Commutation
Valve, described reversal valve is connected with the described fuel tank that hoists by described oil pump；Lift oil tank, described lift oil tank and described commutation
Valve be connected, described controller respectively with the described overflow valve that hoists, described driver and described reversal valve communication, described controller
The feedback signal of the travel switch according to described forklift door frame controls described driver.
Further, described in hoist overflow valve have overflow inlet and overflow outlet, described reversal valve have the first commutation import,
Institute is passed through in second commutation import, the first commutation outlet and the second commutation outlet, described overflow inlet and described first commutation import
Stating oil pump to be connected with the described fuel tank that hoists, described overflow outlet is connected and that with the described fuel tank that hoists with described second commutation import
This connection, described first commutation outlet is connected with described lift oil tank.
Alternatively, the hydraulic system that hoists described in also includes: oil cylinder one-way throttle valve, described oil cylinder one-way throttle valve is connected to institute
State between the first commutation outlet and described lift oil tank；Accessory one-way throttle valve, described accessory one-way throttle valve and described second
Commutation outlet is connected；Balanced valve, described balanced valve is connected between described oil cylinder one-way throttle valve and described lift oil tank.
Preferably, described in the overflow valve that hoists be electromagnetic relief valve, described reversal valve is electro-hydraulic reversing valve.
According to embodiments more of the present utility model, described load loading system includes: base；Hoist load loading unit,
The described load loading unit that hoists is located on described base；Declining load loading unit, described decline load loading unit is located at
On described base；Load load and execution unit, described load load and execution unit respectively with described hoist load loading unit and
Described decline load loading unit be connected and be suitable to be connected with the pallet fork of described forklift door frame, described controller respectively with described
Rising load loading unit and described decline load loading unit communication, described controller is according to the travel switch of described forklift door frame
Feedback signal control described in hoist load loading unit and described decline load loading unit.
In embodiments more of the present utility model, described in hoist load loading unit include: load fuel tank；Hydraulic pump, institute
State hydraulic pump to be connected with described load load and execution unit；Overflow throttle valve, described overflow throttle valve respectively with described hydraulic pump
It is connected with described fuel tank；Electric-control stop valve, described electric-control stop valve is connected with described hydraulic pump and described fuel tank respectively, described
Controller respectively with described hydraulic pump, described overflow throttle valve and described electric-control stop valve communication.
Further, described hydraulic pump have the oil-in being connected with described fuel tank and respectively with described overflow throttle valve and institute
State the oil-out that electric-control stop valve is connected.
Alternatively, the load loading unit that hoists described in shares a fuel tank with the described hydraulic system that hoists.
In specific embodiments more of the present utility model, the described load loading unit that declines includes loading motor, described loading
Motor be connected with described load load and execution unit and with described controller communication.
Further, described load load and execution unit includes: roller, and described roller loads single with the described load that hoists respectively
First and the described load loading unit that declines is connected；Transmission rope, one end of described transmission rope is connected on described roller and the other end
It is fixed on described base；Movable pulley, described transmission rope is set on described movable pulley and described movable pulley is provided with and is suitable to hook
Hang over the hook on the pallet fork of described forklift door frame.
In alternative embodiment of the present utility model, described load loading system also includes variable speed transmission unit, described in hoist negative
Carry loading unit and described decline load loading unit by described variable speed transmission unit and described load load and execution unit phase
Even.
Preferably, described variable speed transmission unit is reduction box.
According to embodiments more of the present utility model, described test platform is provided with the outer mast for fixing described forklift door frame
And ensure the fixed support of described forklift door frame level.
According to embodiments more of the present utility model, the described door frame deformation simulative guide rail that hoists includes: guide rail, described guide rail position
On the direction that hoists of described forklift door frame and along described forklift door frame hoist direction extend, the inner upright mounting of described forklift door frame
It is slidably supported at during hoisting on described guide rail；Swinging mounting, described swinging mounting is arranged on described test platform
On, one end of the neighbouring described forklift door frame of described guide rail is arranged on described swinging mounting and the most described test platform can turn
Dynamic；Deformation distance regulation support, described deformation distance regulation support be arranged on described test platform, described guide rail away from
One end of described forklift door frame is arranged on described deformation distance regulation support and the most described test platform height adjustable.
Additional aspect of the present utility model and advantage will part be given in the following description, and part will be from explained below
In become obvious, or recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the forklift door frame durability degree test device according to this utility model embodiment；
Fig. 2 is the principle schematic of the forklift door frame durability degree test device according to this utility model embodiment；
Fig. 3 is that the principle of the hydraulic system that hoists of the forklift door frame durability degree test device according to this utility model embodiment is shown
It is intended to；
Fig. 4 is the former of load loading unit that hoist of the forklift door frame durability degree test device according to this utility model embodiment
Reason schematic diagram.
Reference:
Forklift door frame durability degree test device 1,
Test platform 100, fixed support 110,
Door frame hoists deformation simulative guide rail 200, guide rail 210, swinging mounting 220, deformation distance regulation support 230,
Hoist hydraulic system 300, and hoist fuel tank 310, and hoist overflow valve 320, overflow inlet 321, overflow outlet 322, oil
Pump 330, driver 340, reversal valve 350, the first commutation import 351, the second commutation import 352, the first commutation outlet
353, the second commutation outlet 354, lift oil tank 360, oil cylinder one-way throttle valve 370, accessory one-way throttle valve 380, balance
Valve 390,
Load loading system 400, base 410, hoist load loading unit 420, loads fuel tank 421, hydraulic pump 422, enters
Hydraulic fluid port 4221, oil-out 4222, overflow throttle valve 423, electric-control stop valve 424, decline load loading unit 430, negative
Load load and execution unit 440, roller 441, transmission rope 442, hook 443, variable speed transmission unit 450,
Controller 500,
Forklift door frame 2, outer mast 21, inner upright mounting 22, pallet fork 23.
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most ad initio
Represent same or similar element to same or similar label eventually or there is the element of same or like function.Lead to below
It is exemplary for crossing the embodiment being described with reference to the drawings, and is only used for explaining this utility model, and it is not intended that to this reality
With novel restriction.
Describe the forklift door frame durability degree according to this utility model embodiment below with reference to Fig. 1-Fig. 4 and test device 1, this fork
Car door frame durability degree test device 1 is particularly suited for electri forklift door frame, has easily operated, safe and reliable, the scope of application
The advantage such as wide.
As Figure 1-Figure 4, device 1 is tested according to the forklift door frame durability degree of this utility model embodiment, including test
Platform 100, door frame hoist deformation simulative guide rail 200, the hydraulic system that hoists 300, load loading system 400 and controller
500。
Specifically, forklift door frame 2 is suitable to horizontally-arranged on test platform 100.Door frame hoist deformation simulative guide rail 200 for
Simulation forklift door frame 2 deformation, the door frame deformation simulative guide rail 200 that hoists is arranged on test platform 100, forklift door frame 2
Inner upright mounting 22 is slidably supported at door frame during hoisting and hoists on deformation simulative guide rail 200.Hoist hydraulic system 300
For hoisting offer power for forklift door frame 2, the hydraulic system that hoists 300 is suitable to be connected with forklift door frame 2.Load loads system
System 400 is for applying load to forklift door frame 2, and load loading system 400 is suitable to be connected with forklift door frame 2.Controller 500
Respectively with forklift door frame 2, the hydraulic system that hoists 300 and load loading system 400 communication.
Describe the forklift door frame durability degree according to this utility model embodiment with reference to the accompanying drawings and test the test process of device 1.
Be horizontally arranged at by test sample on test platform 100, i.e. forklift door frame 2 is horizontally-arranged on test platform 100, fork truck
The outer mast 21 of door frame 2 and inner upright mounting 22 are the most horizontally extending, and the pallet fork 23 of forklift door frame 2 vertically prolongs
Stretch.It is energized after inspection equipment, and each system is debugged, to be applicable to corresponding vehicle, then firing test: start
Rise hydraulic system 300, make forklift door frame 2 move right, i.e. simulate the motion that hoists of forklift door frame 2；When fork truck being detected
When door frame 2 moves to extreme position (i.e. simulation forklift door frame 2 rises to extreme higher position) on right side, controller 500 controls
Forklift door frame 2, to left movement, i.e. simulates the descending motion of forklift door frame 2；When detecting that forklift door frame 2 moves to left side
During extreme position (i.e. simulation forklift door frame 2 drops to extreme lower position), controller 500 controls forklift door frame 2 and moves right,
So move in circles, and test data are recorded, stop test, deenergization when reaching test loop number of times.Its
In, in above-mentioned test process, the load of forklift door frame 2 is provided by loading loading system 400.
Additionally, the lateral displacement of forklift door frame 2 can be simulated (shown in figure by the door frame deformation simulative guide rail 200 that hoists
Above-below direction), i.e. simulation forklift door frame 2 rises to highest position, and forklift door frame 2 is positioned at lateral displacement during peak,
Such as, door frame hoists and can be provided with deformation distance regulation support 230 on deformation simulative guide rail 200, by adjusting deformation distance
The model (every kind of model correspondence different distortion distance) of regulation support 230 and position, can complete corresponding different lifting altitude
The deformation simulative of forklift door frame 2.
It should be noted that the lateral displacement of forklift door frame 2, it is horizontal that this laterally refers to when forklift door frame 2 normally uses,
I.e. longitudinal direction shown in corresponding diagram 1.
Thus, device 1 is tested, by by horizontally-arranged for forklift door frame 2 according to the forklift door frame durability degree of this utility model embodiment
On test platform 100, the vertical test mode of existing forklift door frame will change horizontal test mode into, so, pass through
Adjust test platform 100, just can complete the test of the door frame series of various height, and, utilize the hydraulic system that hoists
300 simulate hoisting and declining of forklift door frame 2 with load loading system 400, by adjusting load loading system 400, just
The test of the door frame series of various tonnage can be completed, thus easy to operate, applied widely.Additionally, according to this reality
Device 1 is tested, it is possible to avoid bigger actual loading to hoist higher situation with the forklift door frame durability degree of new embodiment,
Thus reduce danger, improve test safety coefficient.
In sum, testing device 1 according to the forklift door frame durability degree of this utility model embodiment, it is easy to operation, safety can
Lean on and applied widely.
According to embodiments more of the present utility model, as it is shown on figure 3, the hydraulic system 300 that hoists can include hoisting fuel tank 310,
Hoist overflow valve 320, driver 340, reversal valve 350 and lift oil tank 360.Hoist overflow valve 320 by oil pump 330
Fuel tank 310 is connected with hoisting.Driver 340 is connected with oil pump 330.Reversal valve 350 is by oil pump 330 and the fuel tank that hoists
310 are connected.Lift oil tank 360 is connected with reversal valve 350, controller 500 respectively with overflow valve 320, the driver of hoisting
340 and reversal valve 350 communication, controller 500 is according to the feedback letter of the travel switch (not shown) of forklift door frame 2
Number control driver 340.Alternatively, driver 340 can be motor.
Specifically, when simulating forklift door frame 2 and hoisting, driver 340 drives oil pump 330 to operate, hoists in fuel tank 310
Hydraulic oil be pumped to reversal valve 350 through oil pump 330, reversal valve 350 switches to oil pump 330 and leads with lift oil tank 360
Logical state, hydraulic oil arrives lift oil tank 360 through reversal valve 350, so that forklift door frame 2 moves right.Work as fork
When car door frame 2 moves to the extreme position on right side, travel switch on the right side of triggering, controller 500 controls forklift door frame 2 to the left
Motion, declines simulating forklift door frame 2.When forklift door frame 2 moves to the extreme position in left side, on the left of triggering, stroke is opened
Closing, controller 500 controls forklift door frame 2 and moves right, so moves in circles.
Being appreciated that when travel switch on the right side of triggering, controller 500 can shut down by controlling driver 340,
Or oil circuit can be switched by controlling reversal valve 350, thus realize the simulation to forklift door frame 2 descending motion.All right
It is understood by, the pressure of the hydraulic system 300 that can be adjusted hoisting by the oil pressure relief of the overflow valve 320 that adjusts hoisting, thus
Forklift door frame durability degree test device 1 is made to adapt to the forklift door frame of different tonnage.
Further, as it is shown on figure 3, the overflow valve 320 that hoists has overflow inlet 321 and overflow outlet 322, reversal valve
350 have the first commutation import the 351, second commutation import the 352, first commutation outlet 353 and the second commutation outlet 354,
Overflow inlet 321 is connected with the fuel tank 310 that hoists by oil pump 330 with the first commutation import 351, and overflow exports 322 and the
Two commutation imports 352 are connected with the fuel tank 310 that hoists and communicate with each other, and the first commutation outlet 353 is connected with lift oil tank 360.
So, the overflow valve 320 that hoists shares an oil circuit so that hydraulic oil flows back to, from same oil circuit, the fuel tank 310 that hoists with reversal valve 350,
Simplied system structure.
Alternatively, as it is shown on figure 3, the hydraulic system 300 that hoists can also include the unidirectional joint of oil cylinder one-way throttle valve 370, accessory
Stream valve 380 and balanced valve 390, oil cylinder one-way throttle valve 370 be connected to the first commutation outlet 353 and lift oil tank 360 it
Between, to ensure to hoist the steady of process, protect hydraulic system.Accessory one-way throttle valve 380 and the second commutation outlet 354 phases
Even, so can connect accessory, make forklift door frame 2 have sidesway or embrace the functions such as folder.Balanced valve 390 is connected to oil cylinder list
To between choke valve 370 and lift oil tank 360, to be further ensured that the steady of the process of hoisting.Preferably, hoist overflow valve
320 can be electromagnetic relief valve, and reversal valve 350 can be electro-hydraulic reversing valve 350, thus automatically controlled convenience and rapidly.
According to embodiments more of the present utility model, as depicted in figs. 1 and 2, load loading system 400 can include base
410, hoist load loading unit 420, decline load loading unit 430 and load load and execution unit 440.Hoist load
Loading unit 420 and decline load loading unit 430 are respectively provided on base 410.Load load and execution unit 440 is respectively
With hoist load loading unit 420 and decline load loading unit 430 be connected, and load load and execution unit 440 be suitable to and
The pallet fork 23 of forklift door frame 2 is connected, and controller 500 loads loading unit 420 with hoisting and declines load loading unit respectively
430 communications, controller 500 controls, according to the feedback signal of the travel switch of forklift door frame 2, the load loading unit 420 that hoists
Loading unit 430 is loaded with declining.Such as, when forklift door frame 2 moves to the extreme position on right side, stroke on the right side of triggering
Switch, controller 500 control hoist load loading unit 420 forklift door frame 2 is loaded；When forklift door frame 2 moves
During to the extreme position in left side, travel switch on the left of triggering, controller 500 controls to decline load loading unit 430 to fork truck
Door frame 2 loads.
In the embodiment shown in fig. 4, hoist load loading unit 420 can include load fuel tank 421, hydraulic pump 422,
Overflow throttle valve 423 and electric-control stop valve 424.Hydraulic pump 422 is connected with load load and execution unit 440.Overflow throttles
Valve 423 is connected with hydraulic pump 422 and fuel tank respectively.Electric-control stop valve 424 is connected with hydraulic pump 422 and fuel tank respectively, control
Device 500 processed respectively with hydraulic pump 422, overflow throttle valve 423 and electric-control stop valve 424 communication.Further, such as Fig. 4
Shown in, hydraulic pump 422 has oil-in 4221 and oil-out 4222, and oil-in 4221 is connected with fuel tank, oil-out 4222
It is connected with overflow throttle valve 423 and electric-control stop valve 424 respectively.Alternatively, hoist load loading unit 420 can with rise
Rise hydraulic system 300 and share a fuel tank, thus simplied system structure further, reduce system bulk.
Such as, when simulation forklift door frame 2 hoists, load loading unit drives hydraulic pump 422 to operate, and controller 500 controls
Electric-control stop valve 424 is closed, oil-out 4222 hydraulic oil flowed out flows back to load by overflow throttle valve 423
Fuel tank 421, such that it is able to the load loading unit 420 that makes to hoist has the pressure needed for loading.Here it is possible to by adjusting
The oil pressure relief of overflow throttle valve 423 adjusts hoisting and loads the pressure of loading unit 420.When simulation forklift door frame 2 declines,
Controller 500 controls electric-control stop valve 424 and is in open mode, oil-out 4222 hydraulic oil flowed out is by automatically controlled cut-off
Valve 424 flows back to load fuel tank 421, and the load loading unit 420 that now hoists is not loaded with, by declining load loading unit 430
Forklift door frame 2 is loaded.
In specific embodiments more of the present utility model, decline load loading unit 430 and can include loading motor, load
Motor is connected with load load and execution unit 440, and loading motor and controller 500 communication.So, simulation forklift door frame
During 2 decline, loading motor band dynamic load load and execution unit 440 loads for forklift door frame 2.
Further, as it is shown in figure 1, load load and execution unit 440 can include roller 441, transmission rope 442 and move sliding
Wheel (not shown).Roller 441 is connected with hoisting to load loading unit 420 and decline load loading unit 430 respectively.
One end of transmission rope 442 is connected on roller 441 and the other end is fixed on base 410.Transmission rope 442 is set in dynamic sliding
On wheel, and movable pulley is provided with the hook 443 on the pallet fork 23 being suitable to be hooked on forklift door frame 2.Alternatively, transmission rope 442
It can be steel wire rope.
Such as, in simulation forklift door frame 2 uphill process, pallet fork 23 drives roller 441 to rotate by transmission rope 442, and then
Driving hydraulic pump 422 to operate, by regulating the pressure of overflow throttle valve 423, the load loading unit 420 that hoists can be fork
Car door frame 2 applies load, it is achieved simulation actual condition load, and the adjusting range of load can be 0t～design maximum load.
During simulation forklift door frame 2 declines, decline load loading unit 430 driving rolls 441 and rotate so that transmission rope 442
Apply load for pallet fork 23, drive forklift door frame 2 to be moved to the left, it is achieved simulation actual condition load, the adjusting range of load
Can be with 0t～maximum load.
In alternative embodiment of the present utility model, as shown in Figure 4, load loading system 400 can also include gear
Unit 450, the load loading unit 420 that hoists passes through variable speed transmission unit 450 with decline load loading unit 430 and loads
Load and execution unit 440 is connected.Preferably, variable speed transmission unit 450 is reduction box, can reach bigger through reduction box
Output moment of torsion.
According to embodiments more of the present utility model, as it is shown in figure 1, fixed support 110 can be provided with on test platform 100,
With installation axle, the middle cross beam of outer mast 21 and the entablature of outer mast 21 of fixing forklift door frame 2, thus fixation fork car door
The outer mast 21 of frame 2 and guarantee forklift door frame 2 level.
According to embodiments more of the present utility model, as it is shown in figure 1, door frame hoists, deformation simulative guide rail 200 can include leading
Rail 210, swinging mounting 220 and deformation distance regulation support 230.What guide rail 210 was positioned at forklift door frame 2 hoists direction (i.e.
Left and right directions) upper and along forklift door frame 2 the direction that hoists extends, and the inner upright mounting 22 of forklift door frame 2 can be slided during hoisting
It is supported on guide rail 210, the hoisting and decline more steady of such forklift door frame 2 dynamicly.Swinging mounting 220 is arranged on survey
On examination platform 100, one end (i.e. the left end of guide rail 210) of the neighbouring forklift door frame 2 of guide rail 210 is arranged on swinging mounting
On 220, and test platform 100 relatively is rotatable.Deformation distance regulation support 230 is arranged on test platform 100, leads
One end away from forklift door frame 2 (i.e. the right-hand member of guide rail 210) of rail 210 is arranged on deformation distance regulation support 230,
And relative test platform 100 height adjustable.Hereby it is achieved that forklift door frame 2 is risen to highest position, forklift door frame 2
The simulation of lateral displacement when being positioned at peak.
Below with reference to the accompanying drawings the forklift door frame durability degree test according to a specific embodiment of the present utility model is described in detail
The test process of device 1, is worth being understood by, simply exemplary illustration described below, and it is not intended that to this reality
With novel restriction.
Forklift door frame 2 is arranged on the fixed support 110 of test platform 100, i.e. fixes fork truck with fixed support 110
Installation axle, the middle cross beam of outer mast 21 and the entablature of outer mast 21 of door frame 2, keeps forklift door frame 2 level to put
Put.
Inspection equipment each several part is the most normal, intact, is energized to equipment, and controller 500 is according on forklift door frame 2
High-order (i.e. on the left of forklift door frame 2) travel switch and the feedback letter of low level (i.e. on the right side of forklift door frame 2) travel switch
Number being circulated action, the hydraulic system 300 that controls to hoist, hoist load loading unit 420 and decline load loading unit
430 work, regulate the pressure of hoist overflow valve 320 and overflow throttle valve 423 to adapt to forklift door frame 2 correspondence simultaneously
Vehicle.It is appreciated that and only needs when changing the forklift door frame 2 of different tonnage regulation to hoist overflow valve 320 and overflow
The pressure of choke valve 423.
In simulation forklift door frame 2 uphill process, pallet fork 23 drives roller 441 to rotate by transmission rope 442, and then drives
Hydraulic pump 422 operates, and by regulating the pressure of overflow throttle valve 423, the load loading unit 420 that hoists can be fork truck door
Frame 2 applies load, it is achieved simulation actual condition load, and the adjusting range of load can be 0t～design maximum load, wherein
Roller 441 can reach high torque output through variable speed transmission unit 450.
During simulation forklift door frame 2 declines, loading motor driving rolls 441 rotates so that transmission rope 442 is pallet fork 23
Apply load, drive forklift door frame 2 to be moved to the left, it is achieved simulation actual condition load, the adjusting range of load can with 0t～
Maximum load, loading motor can reach high torque output through reduction box.
By the door frame deformation simulative guide rail 200 that hoists, the lateral displacement of forklift door frame 2 is simulated, is become by adjustment
The model of shape distance regulation support 230 and position, can complete the deformation of the forklift door frame 2 of corresponding different lifting altitude
Simulation.
It should be noted that in process of the test, need to observe forklift door frame 2 during hoisting and declining with or without clamping stagnation
Phenomenon, forklift door frame 2 with or without snapping, crack phenomenon, roller 441 and the abrasion condition of guide rail 210, lift oil tank
360 with or without oil leakage phenomenon, and hoist chain and the chain bolt of forklift door frame 2 are with or without abnormal phenomenas such as deformation or crackles.Logical
Cross pressurize or protect load and can also check the free downslide amount of lift oil tank 360, and checking letting out in lift oil tank 360
The situations such as leakage.
It should be noted that, should be by the regulation requirement in test program and standard before test, to the fork truck participating in experiment
The inner upright mounting 22 of door frame 2 and outer mast 21 carry out comprehensive and detailed inspection and measurement respectively, and relevant data are pressed
Regulation requires to insert appropriate cards.Should rule test position by regulation or get labelling ready, each measurement data all should
Insert in detail in form by regulation.After on-test, each motive position does not the most allow charging-up lubricant oil agent etc..Meanwhile,
Should keep the consumable accessory of all replacings, in case using during analysis and research, and consumable accessory to do in detail when changing every time
Record.Additionally, such as occur that deformation, serious wear, pressure erosion, crackle, fracture, abnormal sound etc. damage phenomenon, then fork truck
Door frame 2 durability degree test failure.
Forklift door frame durability degree test device 1 according to this utility model embodiment, vertical durable by existing forklift door frame
Degree test mode changes horizontal durability degree test mode into, and by adjusting test platform 100, can complete various height
The test of forklift door frame 2 series, by adjusting load loading system 400, can complete the forklift door frame 2 of various tonnage
The test of series, and hoist higher situation without big actual loading, greatly reduce danger, improve test peace
Overall coefficient.Forklift door frame durability degree test device 1 according to this utility model embodiment, has test simulation operating mode and fork
The advantages such as proper consistent, simple, safe and reliable, the serial broad covered area of test sample of test operation of car actual condition,
Be capable of to forklift door frame 2 life-span quick, accurately and effectively detect, add vehicle development economy and
The safety that vehicle travels.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ",
" length ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right",
" vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", " counterclockwise ",
Orientation or the position relationship of the instruction such as " axially ", " radially ", " circumferential " are based on orientation shown in the drawings or position
Put relation, be for only for ease of describe this utility model and simplify describe rather than instruction or hint indication device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this utility model
Restriction.Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint
Relative importance or the implicit quantity indicating indicated technical characteristic.Thus, " first ", " second " are defined
Feature can express or implicitly include one or more this feature.In description of the present utility model, remove
Non-being otherwise noted, " multiple " are meant that two or more.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be detachable
Connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to
It is indirectly connected to by intermediary, can be the connection of two element internals.For those of ordinary skill in the art
Speech, can understand above-mentioned term concrete meaning in this utility model with concrete condition.
In the description of this specification, reference term " embodiment ", " some embodiments ", " specific embodiment ",
It is concrete that the description of " alternative embodiment ", " example " or " some examples " etc. means to combine this embodiment or example describes
Feature, structure, material or feature are contained at least one embodiment of the present utility model or example.In this manual,
The schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And, the specific features of description, knot
Structure, material or feature can combine in any one or more embodiments or example in an appropriate manner.
Embodiment the most of the present utility model, it will be understood by those skilled in the art that:
These embodiments can be carried out in the case of without departing from principle of the present utility model and objective multiple change, amendment,
Replacing and modification, scope of the present utility model is limited by claim and equivalent thereof.
Claims (15)
1. a forklift door frame durability degree test device, it is characterised in that including:
Test platform, described forklift door frame is suitable to horizontally-arranged on described test platform；
Hoisting deformation simulative guide rail for simulating the door frame of described forklift door frame deformation, described door frame hoists deformation simulative guide rail peace
Being contained on described test platform, the inner upright mounting of described forklift door frame is slidably supported at described door frame during hoisting and hoists
On deformation simulative guide rail；
There is provided the hydraulic system that hoists of power for hoisting for described forklift door frame, described in the hydraulic system that hoists be suitable to and described fork
Car door frame is connected；
For executing loaded load loading system to described forklift door frame, described load loading system is suitable to and described fork truck door
Frame is connected；
Controller, described controller respectively with described forklift door frame, described in hoist hydraulic system and described load loading system lead to
News.
Forklift door frame durability degree the most according to claim 1 test device, it is characterised in that described in hoist hydraulic system
Including:
Hoist fuel tank；
Hoist overflow valve, described in the overflow valve that hoists be connected with the described fuel tank that hoists by oil pump；
Driver, described driver is connected with described oil pump；
Reversal valve, described reversal valve is connected with the described fuel tank that hoists by described oil pump；
Lift oil tank, described lift oil tank is connected with described reversal valve, described controller respectively with the described overflow valve that hoists, institute
Stating driver and described reversal valve communication, described controller controls institute according to the feedback signal of the travel switch of described forklift door frame
State driver.
Forklift door frame durability degree the most according to claim 2 test device, it is characterised in that described in hoist overflow valve tool
Have overflow inlet and overflow outlet, described reversal valve have the first commutation import, second commutation import, first commutation outlet and
Second commutation outlet, described overflow inlet is connected with the described fuel tank that hoists by described oil pump with described first commutation import, institute
State overflow outlet be connected with described second commutation import with the described fuel tank that hoists and communicate with each other, described first commutation outlet and institute
State lift oil tank to be connected.
Forklift door frame durability degree the most according to claim 3 test device, it is characterised in that described in hoist hydraulic system
Also include:
Oil cylinder one-way throttle valve, described oil cylinder one-way throttle valve is connected between described first commutation outlet and described lift oil tank；
Accessory one-way throttle valve, described accessory one-way throttle valve is connected with described second commutation outlet；
Balanced valve, described balanced valve is connected between described oil cylinder one-way throttle valve and described lift oil tank.
5. test device according to the forklift door frame durability degree according to any one of claim 2-4, it is characterised in that described
Rising overflow valve is electromagnetic relief valve, and described reversal valve is electro-hydraulic reversing valve.
Forklift door frame durability degree the most according to claim 1 test device, it is characterised in that described load loading system
Including:
Base；
Hoist load loading unit, described in hoist load loading unit be located on described base；
Declining load loading unit, described decline load loading unit is located on described base；
Load load and execution unit, described load load and execution unit loads loading unit and described decline with described hoisting respectively
Load loading unit is connected and is suitable to be connected with the pallet fork of described forklift door frame, and described controller adds with the described load that hoists respectively
Carrier unit and described decline load loading unit communication, described controller is according to the feedback letter of the travel switch of described forklift door frame
Number control described in hoist load loading unit and described decline load loading unit.
Forklift door frame durability degree the most according to claim 6 test device, it is characterised in that described in hoist load load
Unit includes:
Load fuel tank；
Hydraulic pump, described hydraulic pump is connected with described load load and execution unit；
Overflow throttle valve, described overflow throttle valve is connected with described hydraulic pump and described fuel tank respectively；
Electric-control stop valve, described electric-control stop valve is connected with described hydraulic pump and described fuel tank respectively, described controller respectively with
Described hydraulic pump, described overflow throttle valve and described electric-control stop valve communication.
Forklift door frame durability degree the most according to claim 7 test device, it is characterised in that described hydraulic pump have with
Oil-in that described fuel tank is connected and the oil-out that is connected with described overflow throttle valve and described electric-control stop valve respectively.
Forklift door frame durability degree the most according to claim 7 test device, it is characterised in that described in hoist load load
Unit and the described hydraulic system that hoists share a fuel tank.
Forklift door frame durability degree the most according to claim 6 test device, it is characterised in that described decline load adds
Carrier unit includes loading motor, described loading motor be connected with described load load and execution unit and with described controller communication.
11. forklift door frame durability degree according to claim 6 test devices, it is characterised in that described load loads and holds
Row unit includes:
Roller, described roller respectively with described hoist load loading unit and described decline load loading unit be connected；
Transmission rope, one end of described transmission rope is connected on described roller and the other end is fixed on described base；
Movable pulley, described transmission rope is set on described movable pulley and described movable pulley is provided with and is suitable to be hooked on described fork truck door
Hook on the pallet fork of frame.
12. test device according to the forklift door frame durability degree according to any one of claim 6-11, it is characterised in that described
Load loading system also include variable speed transmission unit, described in hoist load loading unit and described decline load loading unit pass through
Described variable speed transmission unit is connected with described load load and execution unit.
13. forklift door frame durability degree according to claim 12 test devices, it is characterised in that described gear list
Unit is reduction box.
14. forklift door frame durability degree according to claim 1 test devices, it is characterised in that on described test platform
It is provided with the outer mast for fixing described forklift door frame and ensures the fixed support of described forklift door frame level.
15. forklift door frame durability degrees according to claim 1 test devices, it is characterised in that described door frame hoists change
Shape simulation guide rail includes:
Guide rail, described guide rail be positioned on the direction that hoists of described forklift door frame and along described forklift door frame hoist direction extend,
The inner upright mounting of described forklift door frame is slidably supported on described guide rail during hoisting；
Swinging mounting, described swinging mounting is arranged on described test platform, the one of the neighbouring described forklift door frame of described guide rail
End is arranged on described swinging mounting and the most described test platform is rotatable；
Deformation distance regulation support, described deformation distance regulation support be arranged on described test platform, described guide rail away from
One end of described forklift door frame is arranged on described deformation distance regulation support and the most described test platform height adjustable.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620312907.6U CN205620115U (en) | 2016-04-12 | 2016-04-12 | Durable degree testing arrangement of fork truck portal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620312907.6U CN205620115U (en) | 2016-04-12 | 2016-04-12 | Durable degree testing arrangement of fork truck portal |
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| CN205620115U true CN205620115U (en) | 2016-10-05 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760282A (en) * | 2018-08-14 | 2018-11-06 | 浙江中北机械有限公司 | A kind of hand moving vehicle vehicle frame fatigue tester |
| CN109205520A (en) * | 2018-11-05 | 2019-01-15 | 安徽合力股份有限公司 | A kind of monoblock type door frame experimental rig rack |
| CN109855881A (en) * | 2018-12-27 | 2019-06-07 | 宁波海迈克动力科技有限公司 | A kind of forklift door frame fatigability test platform |
| CN110211478A (en) * | 2019-04-24 | 2019-09-06 | 中广核核电运营有限公司 | A kind of hydraulic testing apparatus and test method |
| CN110608898A (en) * | 2019-10-10 | 2019-12-24 | 中国汽车技术研究中心有限公司 | Simple test bed for decomposing open-close energy contribution of rotary side door |
| CN110779698A (en) * | 2019-11-04 | 2020-02-11 | 杭州杭叉机械设备制造有限公司 | Generic tool detection platform |
| CN113281056A (en) * | 2021-04-28 | 2021-08-20 | 安徽长景机电科技有限公司 | Fork truck intelligent monitoring device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108760282A (en) * | 2018-08-14 | 2018-11-06 | 浙江中北机械有限公司 | A kind of hand moving vehicle vehicle frame fatigue tester |
| CN108760282B (en) * | 2018-08-14 | 2024-02-13 | 浙江中北机械有限公司 | Frame fatigue testing machine for hand-moving vehicle |
| CN109205520A (en) * | 2018-11-05 | 2019-01-15 | 安徽合力股份有限公司 | A kind of monoblock type door frame experimental rig rack |
| CN109205520B (en) * | 2018-11-05 | 2024-03-29 | 安徽合力股份有限公司 | Integral portal test device frame |
| CN109855881A (en) * | 2018-12-27 | 2019-06-07 | 宁波海迈克动力科技有限公司 | A kind of forklift door frame fatigability test platform |
| CN110211478A (en) * | 2019-04-24 | 2019-09-06 | 中广核核电运营有限公司 | A kind of hydraulic testing apparatus and test method |
| CN110211478B (en) * | 2019-04-24 | 2021-08-27 | 中广核核电运营有限公司 | Hydraulic test device and test method |
| CN110608898A (en) * | 2019-10-10 | 2019-12-24 | 中国汽车技术研究中心有限公司 | Simple test bed for decomposing open-close energy contribution of rotary side door |
| CN110779698A (en) * | 2019-11-04 | 2020-02-11 | 杭州杭叉机械设备制造有限公司 | Generic tool detection platform |
| CN113281056A (en) * | 2021-04-28 | 2021-08-20 | 安徽长景机电科技有限公司 | Fork truck intelligent monitoring device |
| CN113281056B (en) * | 2021-04-28 | 2024-02-27 | 安徽长景机电科技有限公司 | Intelligent monitoring device for forklift |
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