CN205189040U - Loader equipment load test system - Google Patents
Loader equipment load test system Download PDFInfo
- Publication number
- CN205189040U CN205189040U CN201520997100.6U CN201520997100U CN205189040U CN 205189040 U CN205189040 U CN 205189040U CN 201520997100 U CN201520997100 U CN 201520997100U CN 205189040 U CN205189040 U CN 205189040U
- Authority
- CN
- China
- Prior art keywords
- pressure sensor
- load
- torque
- auxiliary plate
- otic placode
- Prior art date
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model discloses a loader equipment load test system comprises loader work systems and load test system. Work systems includes scraper bowl, rocking arm, connecting rod, swing arm, pneumatic cylinder and round pin axle etc, the load test system includes torque test module, stress test module and displacement test module etc. The utility model discloses a three -dimensional torque is asked in pressure force transducer and relative position survey among the torque test module, survey the force transducer survey through pressure sensor, two -way round pin axle force transducer and annular electricity circle and ask the three -dimensional stress, confirm equipment position and gesture through displacement sensor. The utility model discloses can survey simultaneously and ask three -dimensional stress and the three -dimensional torque that is used in on the equipment to realize three -dimensional torque decoupling zero through the mechanical structure innovation, the utility model discloses break through traditional test method's limitation in the test scheme, simplified and surveyed the process of asking, and some test module can reuse, has reduced test cost, has improved efficiency of software testing.
Description
Technical field
The utility model relates to load test system, particularly a kind of working device of loader load test system.
Background technology
Current, working device of loader load test mainly adopts the way of pasting foil gauge at key position, and the method needs to find out structural danger point in advance, foil gauge is pasted at dangerous spot place, composition electric bridge, tests after demarcation, is back-calculated to obtain external applied load after obtaining corresponding load value.There is obvious shortcoming and defect in similar method of testing: 1, different types, mode of operation and load type cause loading complicated, and dangerous spot distribution form is changeable, and need frequent change foil gauge position, process is loaded down with trivial details, and workload is large; 2, arrange that electric bridge is complicated, difficulty is large, demarcates and there is error, be difficult to the linear relationship guaranteeing malformation and bearing load, and tests the load all directions obtained and intercouple, analysis and reverse difficulty large; 3, single test can only obtain the load in part direction, needs multi cycle measurement to carry out complete replication external applied load, but cannot ensure the uniformity of multi cycle test condition, there is error.As can be seen here, in the art, loader load test system, especially its equipment load test system needs to improve.
Summary of the invention
The purpose of this utility model is to provide a kind of working device of loader load test system, achieves and asks the disposable survey of the three-dimensional stress acted in the loader course of work on scraper bowl and three-dimensional torque.
The utility model is made up of loader work system and load test system.Described loader work system mainly comprises scraper bowl, swing arm, rocking arm, connecting rod, rotary ink tank, boom cylinder and bearing pin; Described load test system comprises torque testing module, stress test module and displacement measurement module; Described torque testing module is mainly made up of the first auxiliary plate, the second auxiliary plate, the 3rd auxiliary plate, back shaft, sliding bearing, the first pressure sensor, the second pressure sensor, the 3rd pressure sensor, the 4th pressure sensor and the 5th pressure sensor.Described first and second auxiliary plate one sides weld the first and second otic placode systems respectively, and another side welds first and second gripper shoe system and floor system; Described back shaft is threaded connection plate auxiliary with second and is connected, and the other end installs sliding bearing, and the 3rd auxiliary plate is arranged on back shaft by sliding bearing; On described first pressure sensor, the second pressure sensor and the 3rd pressure sensor one end fixed installation the 3rd auxiliary plate, the other end is fixedly mounted on an auxiliary plate; Described 4th and the 5th pressure sensor one end is fixedly mounted on the second gripper shoe respectively and fastens, and the other end installs the hemispherical dome structure of suitable dimension, is contacted with the first gripper shoe system moving point by hemispherical dome structure; First otic placode system is connected with scraper bowl otic placode by bearing pin by described torque testing module one side, another side is connected with connecting rod end by the upper ear plate of bearing pin by the second otic placode system, is connected with swing arm end by two lower ear plates of two two-way bearing pin load cells by the second otic placode system; In described stress test module, the 6th pressure sensor one end is fixedly mounted on the hydraulic rod end of rotating bucket cylinder, and the connector of the other end and rotary ink tank hydraulic stem and swing arm is connected; First and second annular electro circle load cells are close between two lower ear plates of the second otic placode system and the side of two swing arms respectively, three are connected by the first and second two-way bearing pin force snesor; In described displacement measurement module, the first displacement transducer fixed and arranged in the cylinder base of rotary ink tank, with hydraulic stem relative motion; Second displacement sensor is arranged in the cylinder base of one of them load lifting cylinder, with hydraulic stem relative motion.
In the working device of loader load test system that the utility model provides, the first pressure sensor, the second pressure sensor and the 3rd compressive force sensor are for surveying the torque asking y-z plane; Second and the 3rd defeats sensor for surveying the torque solving x-y plane; 4th and the 5th pressure sensor is for surveying the moment of torsion asking x-z plane; Two-way bearing pin force snesor and the 6th force snesor ask the horizontal and vertical sharing part of the load for surveying; Annular electro circle load cell is for surveying the sharing part of the load asking side direction; Displacement transducer is for determining operating position and the attitude of Wheel Loaders ' Working Device.
Compared with existing load test technology, the beneficial effects of the utility model are:
1. can survey to ask simultaneously and act on three-dimensional stress on working device of loader and three-dimensional torque, solve over cannot survey the problem asking complete six square phase simultaneously;
2. achieve three-dimensional torque decoupler by the utility model frame for movement, reduce interference each other;
3. the utility model directly records load data by pressure sensor etc., and without the need to carrying out complicated load calibration and circuit counting, test in early stage prepares and later data processing procedure is simplified.And be applicable to each active section of loader, without the need to carrying out system call interception, simplify test process;
4. needed for, testing arrangement cost is lower, good economy performance, and partial test module is reusable.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further detailed:
Fig. 1 is the utility model structure composition and fundamental diagram;
Fig. 2 is the utility model torque testing modular structure composition diagram;
Fig. 3 is the utility model torque testing modular unit schematic diagram one;
Fig. 4 is the utility model torque testing modular unit schematic diagram two;
Fig. 5 is the utility model bearing pin sensor assembling drawing;
Fig. 6 is the utility model torque testing module sensors arrangement diagram;
Fig. 7 is the stressed schematic diagram of utility model works device;
Fig. 8 is the stressed schematic diagram of the utility model torque testing module sensors;
Fig. 9 is the utility model swing arm and the stressed schematic diagram of connecting rod;
Figure 10 is the utility model connecting rod force analysis figure.
Detailed description of the invention
Refer to shown in Fig. 1 to Figure 10.The utility model is made up of loader work system and load test system, and wherein loader work system comprises the parts such as scraper bowl 1, swing arm 2, rocking arm 3, connecting rod 4, rotary ink tank 5, boom cylinder 6 and bearing pin 7.Load test system comprises torque testing module 8, stress test module 9, displacement measurement module 10 and protection module 11 etc.For torque testing module 8, composition graphs 2 to Fig. 4, according to the overall dimensions of equipment, select the first auxiliary plate 801 and the second auxiliary plate 802 that size is suitable, measure and draw the relative position of scraper bowl otic placode and swing arm and connecting rod end, weld the first otic placode system 8013 at the correspondence position of the first auxiliary plate 801 one side, weld the second otic placode system 8023 at the correspondence position of the second auxiliary plate 802 one side; According to sensor arrangement requirement, welding the first gripper shoe respectively at the another side of the first auxiliary plate 801 is 8011 and the first floor system 8012, and welding the second gripper shoe respectively at the another side of the second auxiliary plate 802 is 8021 and the second floor system 8022; Screwed hole is opened at second Fu Ban 802 center, selects suitable back shaft 804, processes screw thread in back shaft 804 one end, is threaded connection by back shaft 804 and is arranged on the second auxiliary plate 802; Back shaft 804 other end processes limiting stand, is arranged on by sliding bearing 805 on back shaft 804, is undertaken spacing by limiting stand, sliding bearing 805 and support 804 interference fit; 3rd auxiliary plate 803 is processed into circle, and according to the size of sliding bearing 805, at the 3rd auxiliary plate 803 center drilling, the 3rd auxiliary plate 803 is arranged on sliding bearing 805 by centre bore; Be fixedly mounted on the 3rd auxiliary plate 803 by the first pressure sensor 806, second pressure sensor 807 and the 3rd pressure sensor 808 according to design attitude one end, the other end is fixedly mounted on the correspondence position of the first auxiliary plate 801; It is on 8021 that 4th pressure sensor 809 and the 5th pressure sensor 810 one end are fixedly mounted on the second gripper shoe respectively, by the first gripper shoe be 8011 and second gripper shoe be 8021 distance computation go out the size of semiglobe, being arranged on the 4th pressure sensor 809 and the 5th pressure sensor 810 other end, is 8011 to contact by semiglobe and the first gripper shoe.When module is installed, first scraper bowl 1 is connected bearing pin with swing arm 2 and connecting rod 4 to disconnect, by bearing pin 7, the otic placode of scraper bowl 1 is connected respectively with the first otic placode system 8013, be connected with the end of connecting rod 4 by the upper ear plate of bearing pin 7 by the second otic placode system 8023, the connected mode of the lower ear plate of the second otic placode system 8023 will be introduced in stress test module.For stress test module 9, composition graphs 1 and Fig. 5, the 6th pressure sensor 901 is installed on the hydraulic rod end of rotary ink tank 5, and one end and hydraulic stem are connected, and the connector of the other end and rotary ink tank 5 hydraulic stem and swing arm 3 is connected; Two two-way bearing pin pressure sensors 902 are arranged in two ends of swing arm 2 and two lower ear plate holes of the second otic placode system 8023 respectively; Two annular electro circle measuring pressure sensors 903 are installed between swing arm 2 end and two lower ear plate sides of the second otic placode system 8023 respectively, are placed on two two-way bearing pin pressure sensors 902 respectively, with two two-way bearing pin pressure sensor 902 matched in clearance.First two annular electro circle measuring pressure sensors 903 are placed in correct position during installation, two two-way bearing pin pressure sensors 902 are inserted in respectively in two lower ear plate holes of swing arm 2 end and the second otic placode system 8023; For displacement measurement module 10, composition graphs 1, the first displacement transducer 1001 is fixedly connected on the cylinder base of rotary ink tank 5, fixes with cylinder body position, with hydraulic stem relative motion; Second displacement sensor 1002 is arranged on one of them cylinder base of boom cylinder 6, and connected mode is identical with the first displacement transducer 1001.
Operating principle of the present utility model is as follows:
Refer to shown in Fig. 7, in the loader course of work, the load on scraper bowl 1 is moved to scraper bowl 1 time along mid point, corresponding six square phase can be reduced to: (F
x, F
y, F
z, M
x, M
y, M
z).
In the loader course of work, first the attitude of two displacement transducers and second displacement sensor Real-Time Monitoring working device of loader is passed through, test load and operating attitude and mode of operation are connected, form corresponding relation, be convenient to determine the impact of each mode of operation of the course of work on load diatibution and load change.
For described six square phase, it calculates that principle is as follows:
F
x: in conjunction with 7 and Fig. 9, lateral stress F
xby annular electro circle measuring pressure sensor test, calculating and obtaining:
F
x＝F
x1+F
x2；
F
y: composition graphs 7, Fig. 9 and Figure 10, lateral stress F
ytested by the 6th pressure sensor and two-way bearing pin pressure sensor, calculate and obtained.Connecting rod is two power bars, therefore there is following relation:
F
6×L
4＝F
a1×L
5，
Then:
Therefore:
F
y＝F
a×cosα+(F
b+F
c)×cosβ。
F
z: longitudinal stress F
zcalculate test and computational process and lateral stress F
ysimilar, therefore repeat no more, design formulas is:
F
z＝F
a×sinα+(F
b+F
c)×sinβ。
M
x: composition graphs 6 to Fig. 8, side direction moment M
xtested by the first pressure sensor, the second pressure sensor and the 3rd pressure sensor, calculate and obtain.Because the existence of side direction moment of flexure, difference is there is between the registration sum of the second pressure sensor and the 3rd pressure sensor and the registration of the first pressure sensor, and because the 4th and the 5th pressure sensor contacts with the first gripper shoe system moving point, eliminate mutual interference, therefore:
M
x＝[F
1-(F
2+F
3)]×L
1。
M
y: composition graphs 6 to Fig. 8, transverse bending moment M
ytested by the 4th pressure sensor and the 5th pressure sensor, calculate and obtained.Because the existence of transverse bending moment, between the 4th pressure sensor and the 5th pressure sensor reading, there is difference, and because the 3rd auxiliary plate rotates by sliding bearing, eliminate mutual interference, therefore:
M
y＝(F
4-F
5)×L
2。
M
z: composition graphs 6 to Fig. 8, vertical bending moment M
ztested by the second pressure sensor and the 3rd pressure sensor, calculate and obtained.Because the existence of side direction moment of flexure, difference is there is between second pressure sensing and the 3rd pressure sensor reading, and because the first pressure sensor is arranged on auxiliary plate center line, with the perpendicular bisector conllinear of moment of flexure reference point and second, third pressure sensor line, therefore the impact of the first pressure sensor can be ignored, and because the 4th and the 5th pressure sensor contacts with the first gripper shoe system moving point, eliminate mutual interference, therefore:
M
z＝(F
2-F
3)×L
3。
Be contemplated that, according to actual conditions, the kind of sensor selects and location arrangements can adjust, and makes it meet different test conditions and requirement, and just it will not go into details at this for particular content.
Claims (2)
1. a working device of loader load test system, is characterized in that:
This system is made up of loader work system and load test system; Described loader work system mainly comprises scraper bowl, swing arm, rocking arm, connecting rod, rotary ink tank, boom cylinder and bearing pin; Described load test system comprises torque testing module, stress test module and displacement measurement module; Described torque testing module is mainly made up of the first auxiliary plate, the second auxiliary plate, the 3rd auxiliary plate, back shaft, sliding bearing, the first pressure sensor, the second pressure sensor, the 3rd pressure sensor, the 4th pressure sensor and the 5th pressure sensor; Described first and second auxiliary plate one sides weld the first and second otic placode systems respectively, and another side welds first and second gripper shoe system and floor system; Described back shaft is threaded connection plate auxiliary with second and is connected, and the other end installs sliding bearing, and the 3rd auxiliary plate is arranged on back shaft by sliding bearing; On described first pressure sensor, the second pressure sensor and the 3rd pressure sensor one end fixed installation the 3rd auxiliary plate, the other end is fixedly mounted on an auxiliary plate; Described 4th and the 5th pressure sensor one end is fixedly mounted on the second gripper shoe respectively and fastens, and the other end installs the hemispherical dome structure of suitable dimension, is contacted with the first gripper shoe system moving point by hemispherical dome structure; First otic placode system is connected with scraper bowl otic placode by bearing pin by described torque testing module one side, another side is connected with connecting rod end by the upper ear plate of bearing pin by the second otic placode system, is connected with swing arm end by two lower ear plates of two two-way bearing pin load cells by the second otic placode system; In described stress test module, the 6th pressure sensor one end is fixedly mounted on the hydraulic rod end of rotating bucket cylinder, and the connector of the other end and rotary ink tank hydraulic stem and swing arm is connected; First and second annular electro circle load cells are close between two lower ear plates of the second otic placode system and the side of two swing arms respectively, three are connected by the first and second two-way bearing pin force snesor; In described displacement measurement module, the first displacement transducer fixed and arranged in the cylinder base of rotary ink tank, with hydraulic stem relative motion; Second displacement sensor is arranged in the cylinder base of one of them load lifting cylinder, with hydraulic stem relative motion.
2. a kind of working device of loader load test system according to claim 1, is characterized in that:
First pressure sensor, the second pressure sensor and the 3rd compressive force sensor are for surveying the torque asking y-z plane; Second and the 3rd defeats sensor for surveying the torque solving x-y plane; 4th and the 5th pressure sensor is for surveying the moment of torsion asking x-z plane; Two-way bearing pin force snesor and the 6th force snesor ask the horizontal and vertical sharing part of the load for surveying; Annular electro circle load cell is for surveying the sharing part of the load asking side direction; Displacement transducer is for determining operating position and the attitude of Wheel Loaders ' Working Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520997100.6U CN205189040U (en) | 2015-12-06 | 2015-12-06 | Loader equipment load test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520997100.6U CN205189040U (en) | 2015-12-06 | 2015-12-06 | Loader equipment load test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205189040U true CN205189040U (en) | 2016-04-27 |
Family
ID=55782042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520997100.6U Withdrawn - After Issue CN205189040U (en) | 2015-12-06 | 2015-12-06 | Loader equipment load test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205189040U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369846A (en) * | 2015-12-06 | 2016-03-02 | 吉林大学 | Load testing system for loader working device |
| CN107356445A (en) * | 2017-06-22 | 2017-11-17 | 长安大学 | Working device of loader fatigue test spectrum method for sorting, loading method and device |
-
2015
- 2015-12-06 CN CN201520997100.6U patent/CN205189040U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105369846A (en) * | 2015-12-06 | 2016-03-02 | 吉林大学 | Load testing system for loader working device |
| CN105369846B (en) * | 2015-12-06 | 2018-04-10 | 吉林大学 | A kind of working device of loader load test system |
| CN107356445A (en) * | 2017-06-22 | 2017-11-17 | 长安大学 | Working device of loader fatigue test spectrum method for sorting, loading method and device |
| CN107356445B (en) * | 2017-06-22 | 2019-05-07 | 长安大学 | Method for sorting, loading method and device are composed in working device of loader fatigue test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109459311A (en) | A kind of experimental provision for simulating pipe ring stress deformation in tunnel under different stress conditions | |
| CN105369846A (en) | Load testing system for loader working device | |
| CN102162778B (en) | Multiple-spindle ratchet wheel strain testing system and method of pipe bend | |
| CN102879282B (en) | The test specimen of steel-concrete interface shear stress web member shear-carrying capacity test and method | |
| CN102393330B (en) | Device for testing tangential stiffness property of joint surface | |
| CN103076131A (en) | Six-dimensional force and torque sensor for measuring large force and small torque of large mechanical arm | |
| CN102494819A (en) | Joint torque sensor based on elastic beam | |
| CN103292939B (en) | Spoke and central pin column combined type three-dimensional force sensor | |
| CN109580094B (en) | Fan generator set axis of rotation moment balance calibration system | |
| CN209400324U (en) | A kind of experimental provision for simulating pipe ring stress deformation in tunnel under different stress conditions | |
| CN105258829A (en) | Underground engineering model test internal space stress measuring device and method | |
| CN205189040U (en) | Loader equipment load test system | |
| CN105973510A (en) | Loader bucket stress test method | |
| CN105333984B (en) | A kind of excavator load test device | |
| CN105004458A (en) | Stress testing device and testing method for loader bucket | |
| CN201707261U (en) | Combined multifunctional flat plate load-bearing tester | |
| CN108760108A (en) | Crane wheel pressure detection method based on stress survey technology | |
| CN105841857A (en) | Parallel-type five-dimensional force sensor | |
| CN103822748A (en) | Six-component sensor of suspension K&C test bed | |
| CN203420292U (en) | Direct-reading type pile foundation displacement detection device | |
| CN101476951A (en) | Swing bolster load test structure and method | |
| CN203772473U (en) | Suspension K (kinematics) & C (compliance) test bed six-component sensor | |
| CN102519637B (en) | Force determining support for structural test | |
| CN205300826U (en) | Excavator load testing arrangement | |
| CN101825507B (en) | Multi-axis force transducer with double-bending beam structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160427 Effective date of abandoning: 20180410 |