CN110285965A - A kind of speed change box of tractor performance detection testing bench - Google Patents
A kind of speed change box of tractor performance detection testing bench Download PDFInfo
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- CN110285965A CN110285965A CN201910627046.9A CN201910627046A CN110285965A CN 110285965 A CN110285965 A CN 110285965A CN 201910627046 A CN201910627046 A CN 201910627046A CN 110285965 A CN110285965 A CN 110285965A
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/0028—Force sensors associated with force applying means
- G01L5/0042—Force sensors associated with force applying means applying a torque
-
- 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
Abstract
The present invention discloses a kind of speed change box of tractor performance detection testing bench, including gearbox drive system, bridge load system before the right side, right rear axle load system, PTO load system, left back bridge load system, left front bridge load system, preceding bridge, gear box of tractor, transmission shaft A, rear axle, testing stand pedestal.The present invention have the characteristics that can detecte different types of gear box of tractor, the various load behaviors of gear box of tractor can be carried out with performance detection, large torque can be simulated and big-powered tractor gearbox performance detect, stable transmission.
Description
Technical field
The present invention relates to tractor technical fields, and in particular to a kind of speed change box of tractor performance detection testing bench.
Background technique
Tractor is important agricultural production machinery, and gear box of tractor is one of important component of tractor,
Before completing the assembly of tractor vehicle, it is necessary to carry out complete detection, previous tractor speed change to the performance of gear box of tractor
Case performance detection testing bench generallys use+2 the 2 point platform structures of+1 load motor of 1 driving motor, 1 driving motor bridges
3 point platform structures, the 4 point platform structures of 1 driving motor+1 PTO motor of+2 bridge motors of motor, to gearbox performance detection
Accuracy it is not high enough, the testing stand that cannot be simulated actual condition completely, and design is not convenient enough during installation, assembly fiber crops
Tired, disassembly is difficult, to expend working hour.
In view of the above-mentioned problems, being badly in need of developing easy to loading and unloading a, stable transmission, gear box of tractor can be comprehensively tested
Performance under various operating conditions can be adapted for the gear box of tractor performance detection test of different type gear box of tractor
Platform is scientific research personnel provider in terms of the comprehensive and accuracy of the handling of testing stand and gear box of tractor performance detection
Just, save time and effort.
Summary of the invention
Goal of the invention: present invention aims in view of the deficiencies of the prior art, provide a kind of speed change box of tractor
Can Detecting data, have can detecte different types of gear box of tractor, can be to the various loads of gear box of tractor
Operating condition carries out performance detection, can simulate large torque and big-powered tractor gearbox performance detected, the spy of stable transmission
Point.
Technical solution: a kind of speed change box of tractor performance detection testing bench of the present invention, including gearbox driving
System, it is right before bridge load system, right rear axle load system, PTO load system, left back bridge load system, left front bridge load system,
Preceding bridge, gear box of tractor, transmission shaft, universal joint, rear axle, temperature sensor, testing stand pedestal, T-bolt mounting groove.
The gearbox drive system includes gearbox driving motor, gearbox driving motor seat, torque sensor A, turns round
Square sensor base A, gearbox driving motor are installed on gearbox driving motor seat, the output end of gearbox driving motor with
Torque sensor A is connected, and torque sensor A is installed on torque sensor pedestal A, the other end of torque sensor A and transmission
Axis A is connected.
Bridge load system includes bridge load motor seat, torque sensor B, torsion before bridge load motor, the right side before the right side before the right side
Square sensor base B, right front axle deceleration case, it is right before bridge load motor, torque sensor pedestal B, right front axle deceleration case be respectively mounted
In on You Qianqiao load motor seat, the output end of bridge load motor is connected with the input terminal of right front axle deceleration case before the right side, You Qianqiao
The output end of reduction gearbox is connected with torque sensor B, and torque sensor B is installed on torque sensor pedestal B, torque sensor
The other end of B is connected with transmission shaft B.
The right rear axle load system includes right rear axle load motor, right rear axle load motor seat, torque sensor C, turns round
Square sensor base C, right rear axle reduction box, right rear axle load motor, torque sensor pedestal C, right rear axle reduction box are respectively mounted
In on right rear axle load motor seat, the output end of right rear axle load motor is connected with the input terminal of right rear axle reduction box, right rear axle
The output end of reduction gearbox is connected with torque sensor C, and torque sensor C is installed on torque sensor pedestal C, torque sensor
The other end of C is connected with transmission shaft C.
The PTO load system includes PTO load motor seat, PTO load motor, torque sensor D, torque sensor bottom
Seat D, PTO load motor are installed on PTO load motor seat with torque sensor pedestal D, the output end of PTO load motor and torsion
Square sensor D be connected, the torque sensor is installed on torque sensor pedestal D, the other end of the torque sensor D with
Transmission shaft D is connected.
The left back bridge load system includes left back bridge load motor, left back bridge load motor seat, left rear axle reduction box, torsion
Square sensor E, torque sensor pedestal E, left back bridge load motor, left rear axle reduction box, torque sensor pedestal E are mounted on
On left back bridge load motor seat, the output end of left back bridge load motor is connected with the input terminal of left rear axle reduction box, left rear axle reducing
The output end of fast case is connected with torque sensor E, and torque sensor E is installed on torque sensor pedestal E, torque sensor E
The other end be connected with transmission shaft E.
The left front bridge load system includes left front bridge load motor seat, left front bridge load motor, left front bridge reduction gearbox, turns round
Square sensor F, torque sensor pedestal F, left front bridge load motor, left front bridge reduction gearbox, torque sensor pedestal F are mounted on
On left front bridge load motor seat, the output end of left front bridge load motor is connected with the input terminal of left front bridge reduction gearbox, and left front bridge subtracts
The output end of fast case is connected with torque sensor F, and torque sensor F is installed on torque sensor pedestal F, torque sensor F
The other end be connected with transmission shaft F.
The other end of the transmission shaft A, the other end of transmission shaft D are connected with gear box of tractor；Transmission shaft B's is another
End, transmission shaft F the other end be connected with preceding bridge, preceding bridge pass through transmission shaft G be connected with gear box of tractor.
The other end of the transmission shaft C, the other end of transmission shaft E are connected with rear axle, and rear axle passes through transmission shaft H and tractor
Gearbox is connected, and temperature sensor is equipped on gear box of tractor.
The transmission shaft A, transmission shaft B, transmission shaft C, transmission shaft D, transmission shaft E, transmission shaft F, transmission shaft G, transmission shaft H
Both ends are mounted on universal joint.
The testing stand pedestal is equipped with tommyhead bolt mounting groove；The gearbox driving motor seat, it is right before bridge load motor
Seat, right rear axle load motor seat, PTO load motor seat, left back bridge load motor seat, left front bridge load motor seat pass through T shape
Bolt mounting groove is installed on testing stand pedestal.
Each load motor is controlled by frequency converter in the present invention.
Compared with prior art, the beneficial effects of the present invention are:
(1) the testing stand pedestal is equipped with tommyhead bolt mounting groove, and gearbox driving motor seat and each load motor seat can be with
Horizontal direction arbitrarily moves on testing stand pedestal, carries out to realize to the gear box of tractor of various types and size
Performance detection.
(2) present invention is by Frequency Converter Control left-right front axle motor, the revolving speed of left and right rear axle motor and PTO load motor and
Power can simulate load of the gearbox under various road conditions and operating condition working forms, thus right to obtain different torques
The various load behaviors of gearbox carry out performance detection and analysis.
(3) testing stand has 5 load simulation systems, and this modular design can not only carry out testing stand
Fast Installation, and the working condition of gear box of tractor entirety can be tested comprehensively.
(4) bridge load system, right rear axle load system before the left front bridge load system of this testing stand, left back bridge load system, the right side
System has been respectively mounted reduction gearbox, can carry out the model performance detection of large torque, big-powered tractor gearbox performance.
(5) each both ends of the drive shaft of this testing stand is respectively connected with universal joint, can be to avoid by foozle and installation error
Cause the influence being driven to dynamic load(loading), keeps the transmission between each system of testing stand more stable.
(6) this testing stand can carry out Data Detection by actual torque of the torque sensor to load.
(7) temperature sensor is installed on the gear box of tractor of this testing stand, gearbox can be measured under each operating condition
Temperature data.
Detailed description of the invention
Fig. 1 is the structure chart of the embodiment of the present invention 1.
Fig. 2 is the structure chart of gearbox drive system in the embodiment of the present invention 1.
Fig. 3 is the structure chart of bridge load system before the right side in the embodiment of the present invention 1.
Fig. 4 is the schematic diagram of right rear axle load system torque sensor reduction gearbox assembly in the embodiment of the present invention 1.
Fig. 5 is the structure chart of PTO load system in the embodiment of the present invention 1.
Fig. 6 is the structure chart of left back bridge load system in the embodiment of the present invention 1.
Fig. 7 is the partial schematic diagram of left front bridge load system torque sensor in the embodiment of the present invention 1.
Fig. 8 is the structure chart that axis connection is driven in the embodiment of the present invention 1.
Fig. 9 is the structure chart of testing stand pedestal in the embodiment of the present invention 1.
Figure 10 is the schematic diagram of control system in the embodiment of the present invention 1.
In attached drawing, 1, gearbox drive system；2, gearbox driving motor；3, gearbox driving motor seat；4, torque passes
Sensor A；5, torque sensor pedestal A；6, bridge load system before the right side；7, bridge load motor before the right side；8, bridge load motor seat before the right side；
9, torque sensor B；10, torque sensor pedestal B；11, right front axle deceleration case；12, torque sensor C；13, torque sensor
Pedestal C；14, right rear axle reduction box；15, right rear axle load motor；16, right rear axle load motor seat；17, right rear axle load system
System；18, PTO load system；19, PTO load motor seat；20, PTO load motor；21, torque sensor D；22, torque sensing
Device pedestal D；23, left back bridge load system；24, left back bridge load motor；25, left back bridge load motor seat；26, left rear axle speed-reducing
Case；27, torque sensor E；28, torque sensor pedestal E；29, left front bridge load system；30, left front bridge load motor seat；
31, left front bridge load motor；32, left front bridge reduction gearbox；33, torque sensor F；34, torque sensor pedestal F；35, transmission shaft
F；36, transmission shaft A；37, preceding bridge；38, transmission shaft B；39, transmission shaft G；40, gear box of tractor；41, transmission shaft H；42, it is driven
Axis C；43, rear axle；44, transmission shaft D；45, transmission shaft E；46, universal joint；47, temperature sensor；48, testing stand pedestal；49,T
Shape bolt mounting groove.
Specific embodiment
Technical solution of the present invention is described in detail below by specific embodiments and the drawings, but protection of the invention
Range is not limited to the embodiment.
Embodiment 1
A kind of speed change box of tractor performance detection testing bench, please refers to Fig. 1-10, includes gearbox drive system 1,
Bridge load system 6 before the right side, right rear axle load system 17, PTO load system 18, left back bridge load system 23, left front bridge load system
System 29, preceding bridge 37, gear box of tractor 40, transmission shaft A 36, rear axle 43, temperature sensor 47, testing stand pedestal 48, T-type spiral shell
Bolt mounting groove 49.
Wherein, gearbox drive system 1 includes gearbox driving motor 2, gearbox driving motor seat 3, torque sensor A
4, torque sensor pedestal A 5, gearbox driving motor 2 are installed on driving motor seat 3, the output of gearbox driving motor 2
End is connected with torque sensor A 4, and torque sensor A 4 is installed on torque sensor pedestal A 5, and torque sensor A4's is another
One end is connected with transmission shaft A36.
Wherein, bridge load system 6 includes bridge load motor seat 8, torque sensor B before bridge load motor 7, the right side before the right side before the right side
9, torque sensor pedestal B 10, right front axle deceleration case 11, it is right before bridge load motor 7, torque sensor pedestal B 10, You Qianqiao
Reduction gearbox 11 is mounted on before the right side on bridge load motor seat 8, it is right before bridge load motor 7 output end and right front axle deceleration case 11
Input terminal is connected, and the output end of right front axle deceleration case 11 is connected with torque sensor B 9, and torque sensor B 9 is installed on torque
On sensor base B 10, the other end of torque sensor B 9 is connected with transmission shaft B 38.
Wherein, right rear axle load system 17 includes right rear axle load motor 15, right rear axle load motor seat 16, torque sensing
Device C 12, torque sensor pedestal C 13, right rear axle reduction box 14, right rear axle load motor 15, torque sensor pedestal C 13,
Right rear axle reduction box 14 is mounted on right rear axle load motor seat 16, the output end and right rear axle reducing of right rear axle load motor 15
The input terminal of fast case 14 is connected, and the output end of right rear axle reduction box 14 is connected with torque sensor C 12, torque sensor C 12
It is installed on torque sensor pedestal C 13, the other end of torque sensor C 12 is connected with transmission shaft C 42.
Wherein, PTO load system 18 includes PTO load motor seat 19, PTO load motor 20, torque sensor D 21, turns round
Square sensor base D 22, PTO load motor 20, torque sensor pedestal D 22 are installed on PTO load motor seat 19, PTO
The output end of load motor 20 is connected with torque sensor D 21, and torque sensor D 21 is installed on torque sensor pedestal D 22
On, the other end of torque sensor D 21 is connected with transmission shaft D 44.
Wherein, left back bridge load system 23 includes left back bridge load motor 24, left back bridge load motor seat 25, left rear axle reducing
Fast case 26, torque sensor E 27, torque sensor pedestal E 28, left back bridge load motor 24, left rear axle reduction box 26, torque
Sensor base E 28 is mounted on left back bridge load motor seat 25, the output end and left rear axle reducing of left back bridge load motor 24
The input terminal of fast case 26 is connected, and the output end of left rear axle reduction box 26 is connected with torque sensor E 27, torque sensor E 27
It is installed on torque sensor pedestal E 28, the other end of torque sensor E 27 is connected with transmission shaft E 45.
Wherein, left front bridge load system 29 subtracts including left front bridge load motor seat 30, left front bridge load motor 31, left front bridge
Fast case 32, torque sensor F 33, torque sensor pedestal F 34, left front bridge load motor 31, left front bridge reduction gearbox 32, torque
Sensor base F 34 is mounted on left front bridge load motor seat 30, and output end and the left front bridge of left front bridge load motor 31 subtract
The input terminal of fast case 32 is connected, and the output end of left front bridge reduction gearbox 32 is connected with torque sensor F 33, torque sensor F 33
It is installed on torque sensor pedestal F 34, the other end of torque sensor F 33 is connected with transmission shaft F 35.
Wherein, the other end of transmission shaft A 36, transmission shaft D 44 the other end be connected with gear box of tractor 40；Transmission
The other end of axis B 38, the other end 35 of transmission shaft F are connected with preceding bridge 37, and preceding bridge 37 passes through transmission shaft G 39 and tractor speed change
Case 40 is connected.
Wherein, the other end of transmission shaft C 42, transmission shaft E 45 the other end be connected with rear axle 43, rear axle 43 passes through transmission
Axis H 41 is connected with gear box of tractor 40, and temperature sensor 47 is equipped on gear box of tractor 40.
Wherein, transmission shaft A 36, transmission shaft B 38, transmission shaft C 42, transmission shaft D 44, transmission shaft E 45, transmission shaft F
35, transmission shaft G 39, transmission shaft H 41 both ends be mounted on universal joint 46.
Wherein, testing stand pedestal 48 is equipped with tommyhead bolt mounting groove 49；Gearbox driving motor seat 3, it is right before bridge load electricity
Base 8, right rear axle load motor seat 16, PTO load motor seat 19, left back bridge load motor seat 25, left front bridge load motor seat
30 are installed on testing stand pedestal 48 by tommyhead bolt mounting groove 49.
The gear box of tractor of this testing stand determines the power of gearbox driving motor according to design requirement, according to specific work
Condition determines that left-right front axle load motor, the revolving speed and torque of left and right rear axle load motor and PTO load motor pass through frequency conversion
Device adjusting can be achieved tractor difference operating condition under gearbox performance test, it is possible to provide testing program selection it is as follows:
(1) tractor normal highway running test can be carried out, by the adjusting of frequency converter by the torque of each load motor
And revolving speed, the torque and revolving speed being adjusted under this working condition.
(2) torque and revolving speed that tractor load motor can be continuously adjusted by adjusting frequency converter, to be drawn
Machine is by low speed to the adjusting of high speed operation state.
(3) left-right front axle load motor can be adjusted first, and the revolving speed and torque of left and right rear axle load motor make to draw
Machine works normally, and then by adjusting the revolving speed and torque of PTO load motor, carrying out tractor, a driving wheel is lost at work
Go the working condition of road holding.
(4) can be by the revolving speed and torque of adjusting PTO load motor, PTO load work when reaching to tractor work
Make the adjusting of end working condition.
(5) torque of each load motor and revolving speed can be adjusted to by normal operating conditions by the adjusting of frequency converter first
Under torque and revolving speed, the tractor shape that degree of creeping increases suddenly at work is then simulated by adjusting frequency converter suddenly
Condition.
This testing stand can be carried out on the basis of the above testing scheme by actual torque of the torque sensor to load
Test, by temperature sensor to gear box of tractor at work temperature variation carry out real-time testing.
As described above, must not be explained although the present invention has been indicated and described referring to specific preferred embodiment
For the limitation to invention itself.It without prejudice to the spirit and scope of the invention as defined in the appended claims, can be right
Various changes can be made in the form and details for it.
Claims (1)
1. a kind of speed change box of tractor performance detection testing bench, which is characterized in that right including gearbox drive system (1)
Preceding bridge load system (6), right rear axle load system (17), PTO load system (18), left back bridge load system (23), left front bridge
Load system (29), preceding bridge (37), gear box of tractor (40), transmission shaft A (36), rear axle (43), testing stand pedestal (48)；
The gearbox drive system (1) includes gearbox driving motor (2), gearbox driving motor seat (3), torque sensor
A (4), torque sensor pedestal A (5)；The gearbox driving motor (2) is installed on gearbox driving motor seat (3), speed change
The output end of case driving motor (2) is connected with torque sensor A (4), and torque sensor A (4) is installed on torque sensor pedestal A
(5) on, the other end of torque sensor A (4) is connected with transmission shaft A (36)；
Bridge load system (6) includes bridge load motor seat (8), torque sensor before bridge load motor (7), the right side before the right side before the right side
B (9), torque sensor pedestal B (10), right front axle deceleration case (11)；Bridge load motor (7), torque sensor bottom before the right side
Seat B (10), right front axle deceleration case (11) are mounted on before the right side on bridge load motor seat (8), it is right before bridge load motor (7) output
End is connected with the input terminal of right front axle deceleration case (11), output end and torque sensor B (9) phase of right front axle deceleration case (11)
Even, torque sensor B (9) is installed on torque sensor pedestal B (10), the other end and transmission shaft B of torque sensor B (9)
(38) it is connected；
The right rear axle load system (17) includes right rear axle load motor (15), right rear axle load motor seat (16), torque biography
Sensor C (12), torque sensor pedestal C (13), right rear axle reduction box (14)；The right rear axle load motor (15), torque pass
Sensor pedestal C (13), right rear axle reduction box (14) are mounted on right rear axle load motor seat (16), right rear axle load motor
(15) output end is connected with the input terminal of right rear axle reduction box (14), the output end and torque sensing of right rear axle reduction box (14)
Device C (12) is connected, and torque sensor C (12) is installed on torque sensor pedestal C (13), and torque sensor C's (12) is another
End is connected with transmission shaft C (42)；
The PTO load system (18) include PTO load motor seat (19), PTO load motor (20), torque sensor D (21),
Torque sensor pedestal D (22)；The PTO load motor (20), torque sensor pedestal D (22) are installed on PTO load motor
On seat (19), the output end of PTO load motor (20) is connected with torque sensor D (21), and torque sensor D (21) is installed on torsion
On square sensor base D (22), the other end of torque sensor D (21) is connected with transmission shaft D (44)；
The left back bridge load system (23) includes left back bridge load motor (24), left back bridge load motor seat (25), left back bridge
Reduction gearbox (26), torque sensor E (27), torque sensor pedestal E (28)；The left back bridge load motor (24), left back bridge
Reduction gearbox (26), torque sensor pedestal E (28) are mounted on left back bridge load motor seat (25), left back bridge load motor
(24) output end is connected with the input terminal of left rear axle reduction box (26), the output end and torque sensing of left rear axle reduction box (26)
Device E (27) is connected, and torque sensor E (27) is installed on torque sensor pedestal E (28), and torque sensor E's (27) is another
End is connected with transmission shaft E (45)；
The left front bridge load system (29) includes left front bridge load motor seat (30), left front bridge load motor (31), left front bridge
Reduction gearbox (32), torque sensor F (33), torque sensor pedestal F (34)；The left front bridge load motor (31), left front bridge
Reduction gearbox (32), torque sensor pedestal F (34) are mounted on left front bridge load motor seat (30), left front bridge load motor
(31) output end is connected with the input terminal of left front bridge reduction gearbox (32), the output end and torque sensing of left front bridge reduction gearbox (32)
Device F (33) is connected, and torque sensor F (33) is installed on torque sensor pedestal F (34), and torque sensor F's (33) is another
End is connected with transmission shaft F (35)；
The other end of the transmission shaft A (36), the other end of transmission shaft D (44) are connected with gear box of tractor (40)；Transmission
The other end of axis B (38), the other end (35) of transmission shaft F are connected with preceding bridge (37), and preceding bridge (37) passes through transmission shaft G (39) and drags
Machine drawing gearbox (40) is connected；
The other end of the transmission shaft C (42), the other end of transmission shaft E (45) are connected with rear axle (43), and rear axle (43) passes through biography
Moving axis H (41) is connected with gear box of tractor (40), and temperature sensor (47) are equipped on gear box of tractor (40)；
The transmission shaft A (36), transmission shaft B (38), transmission shaft C (42), transmission shaft D (44), transmission shaft E (45), transmission shaft F
(35), transmission shaft G (39), transmission shaft H (41) both ends be mounted on universal joint (46)；
The testing stand pedestal (48) is equipped with tommyhead bolt mounting groove (49)；The gearbox driving motor seat (3), You Qianqiao
Load motor seat (8), right rear axle load motor seat (16), PTO load motor seat (19), left back bridge load motor seat (25) are left
Preceding bridge load motor seat (30) is installed on testing stand pedestal (48) by tommyhead bolt mounting groove (49).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910627046.9A CN110285965A (en) | 2019-07-09 | 2019-07-09 | A kind of speed change box of tractor performance detection testing bench |
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| CN201910627046.9A CN110285965A (en) | 2019-07-09 | 2019-07-09 | A kind of speed change box of tractor performance detection testing bench |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114370965A (en) * | 2022-01-14 | 2022-04-19 | 沈阳名华模塑科技有限公司 | Flexible drawing force detection equipment for wheel arch, door plate, spoiler and tail door |
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