CN106289761A - Warehousing forklift vertical reduction box fatigue experimental device - Google Patents
Warehousing forklift vertical reduction box fatigue experimental device Download PDFInfo
- Publication number
- CN106289761A CN106289761A CN201610665413.0A CN201610665413A CN106289761A CN 106289761 A CN106289761 A CN 106289761A CN 201610665413 A CN201610665413 A CN 201610665413A CN 106289761 A CN106289761 A CN 106289761A
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- China
- Prior art keywords
- reduction box
- balladeur train
- shaft
- bearing
- torque
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000009467 reduction Effects 0.000 title claims abstract description 56
- 239000006247 magnetic powder Substances 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 238000005096 rolling process Methods 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims description 13
- 230000005611 electricity Effects 0.000 claims description 3
- 239000010720 hydraulic oil Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 13
- 238000004088 simulation Methods 0.000 abstract description 5
- 238000010998 test method Methods 0.000 abstract description 3
- 230000009194 climbing Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 238000009661 fatigue test Methods 0.000 description 3
- 238000012827 research and development Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/025—Test-benches with rotational drive means and loading means; Load or drive simulation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Forklifts And Lifting Vehicles (AREA)
Abstract
The present invention relates to warehousing forklift vertical reduction box fatigue experimental device, including reduction box, platen, and magnetic powder brake, sensor stand, bearing bracket and the column balladeur train assembly being successively set on platen；Equipped with torque and speed sensors on described sensor stand, equipped with at least one rolling bearing units on described bearing bracket, described rolling bearing units are built with splined shaft, one end of described splined shaft is connected with torque and speed sensors by shaft coupling, the other end of splined shaft is provided with internal splined hole, being fitted with external splines in described internal splined hole, described external splines connects the flange matched with reduction box outfan, and institute's magnetic powder brake is connected with torque and speed sensors by shaft coupling；The present invention uses the test method of two kinds of load of simulation so that the operating condition of test of reduction box is more identical with actual condition, improves the accuracy of result of the test.
Description
Technical field
The present invention relates to fork truck field, the fatigue experimental device of the vertical reduction box of a kind of warehousing forklift.
Background technology
Warehousing forklift reduction box is vertical installation on car load, and the input of reduction box is connected with travel driving motor, defeated
Go out end equipped with tire.During travel driving motor operating, rotated by reduction box deceleration tire, i.e. drive car load walking.Should
Reduction box is primarily subjected to two kinds of load at car load, and one is that on vertical direction, the part of car load acts on reduction box from heavy load,
And this load becomes with duty (as unloaded level land traveling, fully loaded level land travel, the are fully loaded with climbing traveling etc.) difference of car load
Change；Two is that the output loads duty with car load equally of reduction box is different and change.Stand currently for this reduction box
Test is that simulation one of which load is tested mostly, and is mainly used in delivery test.As tired in used existing device to carry out
Labor is tested, then have the disadvantage in that 1, be only capable of simulating one of which load and carry out fatigue test, and the accuracy of result of the test is relatively
Low.2, for the reduction box of new research and development, it is impossible to simulation load suffered by actual condition, cause the Durability Test can not be the most sudden and the most violent
Expose the weak spot of design.3, the reduction box quality problems for feeding back after sale are difficult to carry out recurrence of failure by bench test.
Summary of the invention
It is an object of the invention to provide the fatigue experimental device of the vertical reduction box of a kind of warehousing forklift, can truly simulate storehouse
Store up the actual condition of the vertical reduction box of fork truck thus carry out fatigue detecting.
For solve the problems referred to above, the present invention by the following technical solutions:
Warehousing forklift vertical reduction box fatigue experimental device, including reduction box, platen, and the magnetic powder being successively set on platen
Brake, sensor stand, bearing bracket and column balladeur train assembly；Sense equipped with rotational speed and torque on described sensor stand
Device, equipped with at least one rolling bearing units on described bearing bracket, described rolling bearing units built with splined shaft, described splined shaft
One end is connected with torque and speed sensors by shaft coupling, and the other end of splined shaft is provided with internal splined hole, in described internal splined hole
Being fitted with external splines, described external splines connects the flange matched with reduction box outfan, and institute's magnetic powder brake is by connection
Axial organ is connected with torque and speed sensors；
Described column balladeur train assembly is provided with by hydraulic oil cylinder driving and the balladeur train that vertically moves up and down, solid on described balladeur train
Surely having bracket assembly, equipped with motor on described bracket assembly, the motor shaft of described motor vertically points to platen, described electricity
The lower end of arbor is connected with axle sleeve, axle sleeve flange, universal joint, adapter sleeve flange, adapter sleeve and power shaft, institute from top to bottom in turn
State power shaft to be connected with the input of reduction box by bearing flange.
Further, described column balladeur train assembly includes upright post base, is arranged on upright post base three arranged in triangle
Guide pillar, and connect the crossbeam of three guide pillar upper ends；It is fixed with cylinder support on described crossbeam, in described cylinder support, passes through pin
Axle is fixed with oil cylinder, and the tailpiece of the piston rod of described oil cylinder vertically points to platen, and passes equipped with pressure in piston rod end
Sensor, described pull pressure sensor is connected by connecting plate and balladeur train are fixing, and on described balladeur train, corresponding three guide pillar positions are provided with
Three bearings matched with guide pillar external cylindrical surface, described balladeur train is flexibly connected with guide pillar by bearing.
Further, described bracket assembly includes underframe and the electric machine support being fixed on underframe, the base surface of described underframe
It is provided with the spacing hole matched with bearing flange.
Further, described axle sleeve is flexibly connected with power shaft, and the top of described power shaft is fixed with for spacing to axle sleeve
Back-up ring.
The beneficial effects of the present invention is: the present invention can apply vertical load on a test platen to reduction box simultaneously
With output loaded load, simulate the operating mode of reduction box under the transport conditions such as unloaded level land, fully loaded level land, fully loaded climbing, pass through
The output speed of torque and speed sensors detection reduction box and the loading moment of torsion of magnetic powder brake, detected by pull pressure sensor
The vertical magnitude of load that reduction box is applied by oil cylinder, thus carry out the fatigue test of reduction box；The present invention uses simulation two kinds
The test method of load so that the operating condition of test of reduction box is more identical with actual condition, improves the accuracy of result of the test；
For the reduction box of new research and development, using the test method of the present invention, (bench test can connect can to carry out verification experimental verification faster
Continuous 24h carries out), and the weak spot in design can be completely revealed；Reduction box quality problems simultaneously for site feedback can be
Carried out bench test by assembly of the invention at any time and carry out recurrence of failure, the most convenient.
Accompanying drawing explanation
Detailed description of the invention with regard to the present invention is described further below in conjunction with the accompanying drawings, wherein:
Fig. 1 is the front axis side view of the present invention；
Fig. 2 is the back side axis side view of the present invention；
Fig. 3 is the front view of the present invention；
Fig. 4 is the left view of the present invention；
Fig. 5 is the top view of the present invention；
Fig. 6 is the front view of column balladeur train assembly；
Fig. 7 is the left part sectional view of column balladeur train assembly；
Fig. 8 is the axis side view of column balladeur train assembly；
Fig. 9 is the phantom of reduction box and portion support assembly；
Figure 10 is the axis side view of reduction box and portion support assembly.
Detailed description of the invention
Warehousing forklift vertical reduction box fatigue experimental device shown in 1 to Fig. 5 referring to the drawings, including platen 1, and successively
Magnetic powder brake 12, sensor stand 9, bearing bracket 6 and the column balladeur train assembly 22 being arranged on platen 1.Magnetic powders brake
Device 12 and sensor stand 9 are installed on base 13, it is ensured that each several part is on same level height.
Equipped with torque and speed sensors 10 on described sensor stand 9, equipped with two axles of usheing to seat on described bearing bracket 6
Holding 7, described rolling bearing units 7 are built with splined shaft 5, and one end of described splined shaft 5 is by shaft coupling 8 and torque and speed sensors 10
Connecting, the other end of splined shaft 5 is machined with internal splined hole, is fitted with external splines 4 in described internal splined hole, and external splines 4 can be along
Splined hole moves axially, and the other end of described external splines 4 connects the flange 3 matched with reduction box 2 outfan, magnetic powder system
Dynamic device 12 is connected with torque and speed sensors 10 by shaft coupling 11.
With reference to shown in Fig. 6 to Fig. 8, described column balladeur train 22 assembly includes upright post base 36, is arranged on upright post base 36
Three guide pillars 32 of arrangement in triangle, and the crossbeam 28 of three guide pillar 32 upper ends is connected by baffle plate 27 and bolt.
It is fixed with cylinder support 29 on described crossbeam 28, in described cylinder support 29, is fixed with oil cylinder 31 by bearing pin 30,
The tailpiece of the piston rod of described oil cylinder 31 vertically points to platen, and has been threaded connection pressure sensing in piston rod end
Device 33, described pull pressure sensor 33 is connected by connecting plate 34 is fixing with balladeur train 35, corresponding three guide pillars on described balladeur train 35
32 positions are provided with three bearings 37 matched with guide pillar 32 external cylindrical surface, and described balladeur train 35 is movable with guide pillar 32 by bearing 37
Connect, and then balladeur train 35 can be driven to move up and down along guide pillar 32 with the piston rod action of oil cylinder 31.
Being fixed with bracket assembly on described balladeur train 35, shown bracket assembly includes underframe 14 and is fixed on the electricity on underframe 14
Machine support 24, on electric machine support 24, carrying is fixed with motor 23, and the motor shaft of described motor 23 vertically points to platen 1,
The lower end of described motor shaft is equipped with axle sleeve 21, and axle sleeve flange 20 is fixed on axle sleeve 21, universal joint 19 upper end and axle sleeve flange 20
Connecting, the lower end of universal joint 19 is connected with adapter sleeve flange 18, and adapter sleeve flange 18 is arranged on adapter sleeve 17.
With reference to shown in Fig. 9 and Figure 10, shown adapter sleeve 17 is sleeved on power shaft 25, and adapter sleeve 17 is lived with power shaft 25
It is dynamically connected, a certain distance can be moved up and down along power shaft 25, by being fixed on the back-up ring 26 on power shaft 25 top to it upwards
The position of movement carries out spacing.
Power shaft 25 designs and produces according to the motor shaft that reduction box 2 is equipped with and forms, and utilizes the motor on reduction box 2 simultaneously
Hole, location, designs and produces bearing flange 16, and the bearing that power shaft 25 is carried with reduction box 2 by bearing flange 16 is connected.Described
The base surface 15 of underframe 14 is provided with the spacing hole matched with bearing flange 16, and spacing hole determines the position of bearing flange 16.
The upper end of reduction box 2 is bolted on the floor board 15 of underframe 14, and the outfan of reduction box 2 is dismantled institute
Mounting flange 3 after the tire of dress, flange 3 is connected with external splines 4, thus forms " motor+change speed gear box+rotational speed and torque a sensing
Device+magnetic powder brake " driving-chain.
The process of the test of the present invention is as follows: install reduction box 2 to be tested by above-mentioned connected mode, when motor 23 drives
When reduction box 2 operates, oil cylinder 31 squeezes into pressure oil pressurize simultaneously, and reduction box 2 i.e. applies the load of a vertical direction, simulation
The car load vertical load that reduction box 2 is applied by car load under the transport conditions such as unloaded level land, fully loaded level land, fully loaded climbing.
Simultaneously control magnetic powder brake 12 current value, make magnetic powder brake 12 to the loading torque value of reduction box 2 and this
Time the fork truck transport condition simulated of oil cylinder 31 consistent, i.e. oil cylinder 31 applies unloaded level land, fully loaded level land, fully loaded to reduction box 2
During the vertical load of the transport conditions such as climbing, magnetic powder brake 12 applies unloaded level land, fully loaded level land, full simultaneously to reduction box 2
Carry the output loaded load of the transport conditions such as climbing.
Set the duration of runs and the order of various transport condition, thus carry out the fatigue test to reduction box 2.Wherein, turn
Speed torque sensor 10 loads moment of torsion for the output speed and magnetic powder brake 12 detecting reduction box 2.Pull pressure sensor 33
For detecting the vertical magnitude of load that reduction box 2 is applied by oil cylinder 31.
The above, the only preferable detailed description of the invention of the present invention, but scope is not limited thereto, and any
Those familiar with the art in the technical scope of present disclosure, the change that can readily occur in or replacement, all answer
Contain within protection scope of the present invention.Therefore scope is as the criterion with the protection domain of claims.
Claims (4)
1. warehousing forklift vertical reduction box fatigue experimental device, including reduction box, it is characterised in that also include platen, Yi Jiyi
Secondary magnetic powder brake, sensor stand, bearing bracket and the column balladeur train assembly being arranged on platen；Described sensor stand
On equipped with torque and speed sensors, equipped with at least one rolling bearing units on described bearing bracket, described rolling bearing units built with
Splined shaft, one end of described splined shaft is connected with torque and speed sensors by shaft coupling, and the other end of splined shaft is provided with interior flower
Keyhole, is fitted with external splines in described internal splined hole, described external splines connects the flange matched with reduction box outfan,
Institute's magnetic powder brake is connected with torque and speed sensors by shaft coupling；
Described column balladeur train assembly is provided with by hydraulic oil cylinder driving and the balladeur train that vertically moves up and down, solid on described balladeur train
Surely having bracket assembly, equipped with motor on described bracket assembly, the motor shaft of described motor vertically points to platen, described electricity
The lower end of arbor is connected with axle sleeve, axle sleeve flange, universal joint, adapter sleeve flange, adapter sleeve and power shaft, institute from top to bottom in turn
State power shaft to be connected with the input of reduction box by bearing flange.
Warehousing forklift the most according to claim 1 vertical reduction box fatigue experimental device, it is characterised in that described column is sliding
Frame assembly includes upright post base, is arranged on upright post base three guide pillars of arrangement in triangle, and connects three guide pillar upper ends
Crossbeam；It is fixed with cylinder support on described crossbeam, in described cylinder support, is fixed with oil cylinder, the work of described oil cylinder by bearing pin
Stopper rod end vertically points to platen, and in piston rod end equipped with pull pressure sensor, described pull pressure sensor is passed through
Connecting plate and balladeur train are fixing is connected, and on described balladeur train, three guide pillar positions of correspondence are provided with three and match with guide pillar external cylindrical surface
Bearing, described balladeur train is flexibly connected with guide pillar by bearing.
Warehousing forklift the most according to claim 1 vertical reduction box fatigue experimental device, it is characterised in that described support is total
Becoming to include underframe and the electric machine support being fixed on underframe, the base surface of described underframe is provided with the limit matched with bearing flange
Hole, position.
Warehousing forklift the most according to claim 1 vertical reduction box fatigue experimental device, it is characterised in that described axle sleeve with
Power shaft is flexibly connected, and the top of described power shaft is fixed with for the back-up ring spacing to axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610665413.0A CN106289761B (en) | 2016-08-13 | 2016-08-13 | The vertical reduction gearbox fatigue experimental device of warehousing forklift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610665413.0A CN106289761B (en) | 2016-08-13 | 2016-08-13 | The vertical reduction gearbox fatigue experimental device of warehousing forklift |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106289761A true CN106289761A (en) | 2017-01-04 |
| CN106289761B CN106289761B (en) | 2018-12-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610665413.0A Active CN106289761B (en) | 2016-08-13 | 2016-08-13 | The vertical reduction gearbox fatigue experimental device of warehousing forklift |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106289761B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444735A (en) * | 2018-05-23 | 2018-08-24 | 柳州上汽汽车变速器有限公司 | Automotive transmission assembly fatigue life test stand |
| CN109484896A (en) * | 2019-01-14 | 2019-03-19 | 陕西誉邦科技股份有限公司 | A kind of simple winding mechanism of disassembly |
| CN112378658A (en) * | 2021-01-05 | 2021-02-19 | 安徽合力股份有限公司 | Vertical reduction gearbox test device of electric forklift |
| EP3822607A4 (en) * | 2019-03-08 | 2022-04-13 | Tianjin University | HIGH ACCURACY COMPREHENSIVE POWER TESTER FOR A PRECISE ROBOT SPEED COUNTER |
| CN118443299A (en) * | 2024-07-08 | 2024-08-06 | 淄博市特种设备检验研究院 | Fork truck drive mechanism part testing arrangement |
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| CN203962961U (en) * | 2014-07-21 | 2014-11-26 | 大冶特殊钢股份有限公司 | Oil-filling device |
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- 2016-08-13 CN CN201610665413.0A patent/CN106289761B/en active Active
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| KR20140035627A (en) * | 2012-09-14 | 2014-03-24 | 우림기계(주) | Device for testing planitary gear box |
| CN103115771A (en) * | 2013-01-22 | 2013-05-22 | 索特传动设备有限公司 | Speed reducer test device and speed reducer production line |
| CN103149028A (en) * | 2013-03-18 | 2013-06-12 | 索特传动设备有限公司 | Testing device of speed reducer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108444735A (en) * | 2018-05-23 | 2018-08-24 | 柳州上汽汽车变速器有限公司 | Automotive transmission assembly fatigue life test stand |
| CN109484896A (en) * | 2019-01-14 | 2019-03-19 | 陕西誉邦科技股份有限公司 | A kind of simple winding mechanism of disassembly |
| EP3822607A4 (en) * | 2019-03-08 | 2022-04-13 | Tianjin University | HIGH ACCURACY COMPREHENSIVE POWER TESTER FOR A PRECISE ROBOT SPEED COUNTER |
| CN112378658A (en) * | 2021-01-05 | 2021-02-19 | 安徽合力股份有限公司 | Vertical reduction gearbox test device of electric forklift |
| CN118443299A (en) * | 2024-07-08 | 2024-08-06 | 淄博市特种设备检验研究院 | Fork truck drive mechanism part testing arrangement |
| CN118443299B (en) * | 2024-07-08 | 2024-09-03 | 淄博市特种设备检验研究院 | Fork truck drive mechanism part testing arrangement |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106289761B (en) | 2018-12-18 |
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