CN215262443U - Whole car step-in environment storehouse formula four-wheel drive power assembly test bench - Google Patents
Whole car step-in environment storehouse formula four-wheel drive power assembly test bench Download PDFInfo
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- CN215262443U CN215262443U CN202120925778.9U CN202120925778U CN215262443U CN 215262443 U CN215262443 U CN 215262443U CN 202120925778 U CN202120925778 U CN 202120925778U CN 215262443 U CN215262443 U CN 215262443U
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Abstract
The utility model discloses a whole vehicle stepping environment bin type four-wheel drive power assembly test bench, which comprises a main body; the main body comprises a walk-in environment bin, a head-on fan, a front wheel loading part, a rear wheel loading part, a loading motor cooling system, a dry air generator, a movable lifter, a variable frequency driving cabinet and a measurement and control system; the windward side machine is arranged on one side of the walk-in environment bin; the front wheel loading component and the rear wheel loading component are respectively arranged at fixed positions of wheels of the whole vehicle; both are provided with a heat preservation cover; the protective cover is connected with a dry air generator in a matching way; the loading motor cooling system is used for cooling a dynamometer selected by the front wheel loading component and the rear wheel loading component; the variable frequency driving cabinet and the measurement and control system are arranged on one side of the walk-in type environment cabin; the variable frequency driving cabinet is used for providing power for the front wheel loading part and the rear wheel loading part; the measurement and control system is used for controlling the operation of the whole test bed. This structure adopts adjustable structure to make experimental different vehicle distance conditions of adaptation, and easy operation is convenient, reduces experimental cost.
Description
Technical Field
The utility model relates to a whole car step-in environment storehouse formula four-wheel drive power assembly test bench belongs to whole car test equipment technical field.
Background
With the rapid development of the national new energy automobile industry, the research and development work of matched products is rapidly developed, and corresponding high-low temperature performance tests are indispensable. The test yard using natural weather conditions has more restrictions, is influenced by seasonal weather, and has uncontrollable test conditions and poor data repeatability and stability. The whole vehicle test bed under the laboratory environment is more and more emphasized by vehicle manufacturers, and the traditional rotating hub test bed is generally rarely provided with an environment simulation bin and cannot realize dynamic tests under extreme conditions; or only the environment simulation bin has no test bed, and only the static test under extreme conditions can be met. The combined construction of the hub rotating test bed and the whole step-in vehicle has extremely high requirements on equipment construction sites, high construction difficulty and high investment cost.
SUMMERY OF THE UTILITY MODEL
To the problem that above-mentioned prior art exists, the utility model provides a whole car step-in environment storehouse formula four-wheel drive power assembly test bench to solve above-mentioned technical problem.
In order to realize the purpose, the utility model discloses a technical scheme is: a whole vehicle step-in environment bin type four-wheel drive power assembly test bench comprises a main body; the main body comprises a walk-in environment bin, a head-on fan, a front wheel loading part, a rear wheel loading part, a loading motor cooling system, a dry air generator, a movable lifter, a variable frequency driving cabinet and a measurement and control system; the windward side machine is arranged on one side of the walk-in environment bin; the front wheel loading component and the rear wheel loading component are respectively arranged at fixed positions of wheels of the whole vehicle; the movable lifter is arranged at the bottom of the step-in environment cabin when the whole vehicle is driven into the step-in environment cabin; the front wheel loading component and the rear wheel loading component are provided with heat preservation covers; the protective cover is connected with a dry air generator in a matching way; the loading motor cooling system is used for cooling a dynamometer selected by a front wheel loading component and a rear wheel loading component; the variable-frequency driving cabinet and the measurement and control system are arranged on one side of the walk-in environment bin; the variable frequency driving cabinet is used for providing power for the front wheel loading part and the rear wheel loading part; the measurement and control system is used for controlling the operation of the whole test bed.
Furthermore, the front wheel loading component comprises a front wheel water-cooling dynamometer, a front wheel torque sensor, a front wheel cardan shaft, a front wheel floating protective cover, a front wheel adjusting screw rod and a front wheel track adjusting slide rail mechanism; a front wheel torque sensor is arranged on one side of the front wheel water-cooling dynamometer; one side of the front wheel torque sensor is connected with a front wheel universal shaft; a front wheel floating protective cover is arranged on one side of the front wheel universal shaft; the front wheel protective cover is arranged above the whole front wheel loading component; the lower end of the front wheel loading part is provided with a front wheel track adjusting slide rail mechanism which adjusts the distance wheel track through a front wheel adjusting screw rod.
Furthermore, the rear wheel loading part comprises a rear wheel water-cooling dynamometer, a rear wheel torque sensor, a rear wheel cardan shaft, a rear wheel floating protective cover, a rear wheel wheelbase adjusting slide rail mechanism, a rear wheel adjusting screw rod and a rear wheel wheelbase adjusting slide rail mechanism; one side of the rear wheel water-cooling dynamometer is connected with a rear wheel torque sensor; one side of the rear wheel torque sensor is connected with a rear wheel universal shaft; a rear wheel floating protective cover is arranged on one side of the rear wheel universal shaft; a rear wheel protective cover is arranged on the outer side of the rear wheel loading component; the bottom of the rear wheel loading part is provided with a rear wheel base adjusting slide rail mechanism and a rear wheel base adjusting slide rail mechanism, and the wheel base are adjusted through a rear wheel adjusting screw rod.
Furthermore, the front wheel protective cover and the rear wheel protective cover are the same type of protective cover, and the main body of the front wheel protective cover and the rear wheel protective cover comprises a rear cover plate, a door hasp, a reserved hole, a contact surface sealing rubber strip, a surface stainless steel plate, a central polyurethane filler, an inner stainless steel plate, a front detachable cover body and an air knife sealing part; a door hasp is arranged on one side of the rear cover plate close to the upper end; a reserved opening is formed in the same plane of the door hasp; the contact surface of the plate surface is provided with a contact surface sealing rubber strip; the upper surface of the cover body of the protective cover is a stainless steel plate; a central polyurethane filler is arranged in the stainless steel plate; an inner stainless steel plate is arranged below the central polyurethane filler; the front parts of the front wheel protective covers and the rear wheel protective covers are front detachable cover bodies, and a plurality of door hasps are arranged on the two sides and the upper ends of the front wheel protective covers and the rear wheel protective covers; and an air knife sealing part is arranged at the front end of the front detachable cover body. Further, an air inlet pressure regulating valve and an air outlet back pressure valve are arranged outside the front wheel protective cover and the rear wheel protective cover.
Furthermore, the reserved hole comprises a cable hole, an air inlet hole, an air outlet hole and a cooling water hole.
The utility model has the advantages that:
1. the test platform has the characteristics of high simulation vehicle speed, high and low temperature environment simulation, quick response and the like, meets the test requirements of current development, and has more test contents than the traditional rotating hub test platform;
2. compared with the traditional rotary hub test bed, the rotary hub test bed has the advantages of less limitation on the condition of equipment infrastructure and cost.
Drawings
FIG. 1 is a schematic view of the general structure of the rack of the present invention;
FIG. 2 is a schematic front view of the front wheel loading assembly of the present invention;
FIG. 3 is a schematic top view of the front wheel loading unit of the present invention;
FIG. 4 is a schematic left side view of the front wheel loading assembly of the present invention;
FIG. 5 is a front view of the structure of the rear wheel loading unit of the present invention
FIG. 6 is a schematic top view of the rear wheel loading unit of the present invention;
FIG. 7 is a schematic left side view of the rear wheel loading assembly of the present invention;
FIG. 8 is a schematic front view of the protective cover structure of the present invention
Fig. 9 is a schematic plan view of the protective cover structure of the present invention.
In the figure: 1. an entrance type environment bin, 2, a head-on fan, 3, a front wheel loading part, 31, a front wheel water-cooling dynamometer, 32, a front wheel torque sensor, 33, a front wheel cardan shaft, 34, a front wheel floating protection cover, 35, a front wheel protection cover, 351, a rear cover plate, 352, a door hasp, 353, a reserved hole, 354, a contact surface sealing rubber strip, 355, a surface stainless steel plate, 356, a central polyurethane filler, 357, an inner stainless steel plate, 358, a front detachable cover body, 359, an air knife sealing part, 37, a front wheel adjusting screw rod, 38, a front wheel track adjusting slide rail mechanism, 4, a rear wheel loading part, 41, a rear wheel water-cooling dynamometer, 42, a rear wheel torque sensor, 43, a rear wheel floating cardan shaft, 44, a rear wheel floating protection cover, 45, a rear wheel protection cover, 46, a rear wheel track adjusting slide rail mechanism, 47, a rear wheel adjusting screw rod, 48 and a rear wheel track adjusting slide rail mechanism, 5. the system comprises a loading motor cooling system 6, a dry air generator 7, a movable lifting machine 8, a variable frequency driving cabinet 9, a measurement and control system 10 and a protective cover.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail through the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the invention and not to limit the scope of the invention.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to limit the present invention.
As shown in FIG. 1, a whole vehicle stepping-in environmental chamber type four-wheel drive power assembly test bed comprises a main body; the main body comprises a walk-in environment bin 1, a head-on fan 2, a front wheel loading part 3, a rear wheel loading part 4, a loading motor cooling system 5, a dry air generator 6, a movable lifter 7, a variable frequency drive cabinet 8 and a measurement and control system 9; the windward side machine 2 is arranged on one side of the walk-in type environment bin 1; the front wheel loading component 3 and the rear wheel loading component 4 are respectively arranged at fixed positions of the wheels of the whole vehicle; the movable lifter 7 is arranged at the bottom of the whole step-in environment bin 1 of the step-in environment bin 1; the front wheel loading part 3 and the rear wheel loading part 4 are provided with a heat preservation cover 10; the protective cover 10 is connected with a dry air generator 6 in a matching way, so that the sufficient low dew point temperature of the inlet air is ensured, and condensation does not occur during the test; the loading motor cooling system 5 is used for cooling the dynamometer selected by the front wheel loading part 3 and the rear wheel loading part 4; the variable frequency driving cabinet 8 and the measurement and control system 9 are arranged on one side of the walk-in type environmental chamber 1; the variable frequency driving cabinet 8 is used for providing power for the front wheel loading part 3 and the rear wheel loading part 4; the measurement and control system 9 is used for controlling the operation of the whole test bed.
Referring to fig. 2, 3 and 4, the front wheel loading part 3 includes a front wheel water-cooling dynamometer 31, a front wheel torque sensor 32, a front wheel cardan shaft 33, a front wheel floating shield 34, a front wheel shield 35, a front wheel adjusting screw 37 and a front wheel track adjusting slide rail mechanism 38; a front wheel torque sensor 32 is arranged on one side of the front wheel water-cooling dynamometer 31; one side of the front wheel torque sensor 32 is connected with a front wheel universal shaft 33; a front wheel floating protective cover 34 is arranged on one side of the front wheel universal shaft 33; the front wheel protecting cover 35 is provided over the entire front wheel loading part 3; the lower end of the front wheel loading part 3 is provided with a front wheel track adjusting slide rail mechanism 38, and the distance wheel track is adjusted through a front wheel adjusting screw rod 37.
Referring to fig. 5, 6 and 7, the rear wheel loading part 4 includes a rear wheel water-cooling dynamometer 41, a rear wheel torque sensor 42, a rear wheel cardan shaft 43, a rear wheel floating protection cover 44, a rear wheel protection cover 45, a rear wheel wheelbase adjusting slide rail mechanism 46, a rear wheel adjusting screw 47 and a rear wheel wheelbase adjusting slide rail mechanism 48; one side of the rear wheel water-cooling dynamometer 41 is connected with a rear wheel torque sensor 42; one side of the rear wheel torque sensor 42 is connected with a rear wheel universal shaft 43; a rear wheel floating protective cover 44 is arranged on one side of the rear wheel universal shaft 43; a rear wheel protecting cover 45 is arranged on the outer side of the rear wheel loading part 4; the bottom of the rear wheel loading part 4 is provided with a rear wheel track adjusting slide rail mechanism 46 and a rear wheel track adjusting slide rail mechanism 48, which adjust the wheel track and the wheel track through a rear wheel adjusting screw rod 47.
Referring to fig. 8 and 9, the front wheel guard 35 and the rear wheel guard 45 are of the same type, and the main body thereof includes a rear cover plate 351, a door hasp 352, a reserved opening 353, a contact surface sealing rubber strip 354, a surface stainless steel plate 355, a central polyurethane filler 356, an inner stainless steel plate 357, a front detachable cover 358, and an air knife sealing component 359; a door hasp 352 is arranged on one side, close to the upper end, of the rear cover plate 351; a reserved opening 353 is formed in the same plane of the door hasp 352; the contact surface of the plate surface is provided with a contact surface sealing rubber strip 354; the upper surface of the shield body of the protective shield is a stainless steel plate 355; a central polyurethane filler 356 is disposed within the stainless steel plate 355; an inner stainless steel plate 357 is arranged below the central polyurethane filler 356; the front parts of the front wheel protecting covers 35 and the rear wheel protecting covers 45 are front detachable cover bodies 358, and a plurality of door hasps 352 are arranged on the two sides and the upper ends of the front detachable cover bodies; an air knife sealing component 359 is arranged at the front end of the front detachable cover 358.
In the present embodiment, it is preferable that an intake pressure regulating valve and an exhaust back pressure valve are disposed outside the front wheel protecting cover 35 and the rear wheel protecting cover 45 to ensure a slight positive pressure inside the cover 10 with respect to the environmental chamber.
Preferably, the reserved opening 353 includes a cable hole, an air inlet hole, an air outlet hole and a cooling water hole.
The working principle is as follows: the method comprises the steps that environmental humiture is simulated in a walk-in type environmental bin 1, a head-on fan 2 conducts wind speed simulation according to the speed of a test vehicle, after the vehicle enters the environmental bin, the vehicle is lifted through a movable lifting machine 7, tires are removed, front and rear wheel hubs of the vehicle are respectively connected with a front wheel loading part 3 and a rear wheel loading part 4, the front wheel loading part 3 and the rear wheel loading part 4 are provided with a heat insulation cover 10 for protecting normal use of a motor, a torque sensor and the like, a dry air generator 6 is matched with the heat insulation cover 10 for use and continuously provides dry air, no condensate water is arranged in the heat insulation cover 10, micro positive pressure relative to the environmental bin in the cover 10 is guaranteed, a variable frequency driving cabinet 8 provides power 4 for the front wheel loading part 3 and the rear wheel loading part, a loading motor cooling system 5 provides cooling for a selected water-cooled dynamometer, and a measurement and control system 9 guarantees normal operation of a test bed.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.
Claims (6)
1. A whole vehicle step-in environment bin type four-wheel drive power assembly test bench is characterized by comprising a main body; the main body comprises a walk-in environment bin (1), a head-on fan (2), a front wheel loading part (3), a rear wheel loading part (4), a loading motor cooling system (5), a dry air generator (6), a movable lifter (7), a variable frequency driving cabinet (8) and a measurement and control system (9); the head-on fan (2) is arranged on one side of the walk-in environment bin (1); the front wheel loading component (3) and the rear wheel loading component (4) are respectively arranged at fixed positions of the wheels of the whole vehicle; the mobile lifter (7) is arranged at the bottom of the walk-in environment bin (1) when the whole vehicle is driven into the walk-in environment bin (1); the front wheel loading component (3) and the rear wheel loading component (4) are provided with protective covers (10); the protective cover (10) is connected with a dry air generator (6) in a matching way; the loading motor cooling system (5) is used for cooling a dynamometer selected by the front wheel loading component (3) and the rear wheel loading component (4); the variable-frequency driving cabinet (8) and the measurement and control system (9) are arranged on one side of the walk-in environment bin (1); the variable-frequency driving cabinet (8) is used for providing power for the front wheel loading part (3) and the rear wheel loading part (4); and the measurement and control system (9) is used for controlling the operation of the whole test bed.
2. The bin type four-wheel drive power assembly test bench allowing a whole vehicle to step into the environment according to claim 1, wherein the front wheel loading part (3) comprises a front wheel water-cooling dynamometer (31), a front wheel torque sensor (32), a front wheel cardan shaft (33), a front wheel floating protective cover (34), a front wheel protective cover (35), a front wheel adjusting screw rod (37) and a front wheel track adjusting slide rail mechanism (38); a front wheel torque sensor (32) is arranged on one side of the front wheel water-cooling dynamometer (31); one side of the front wheel torque sensor (32) is connected with a front wheel universal shaft (33); a front wheel floating protective cover (34) is arranged on one side of the front wheel universal shaft (33); the front wheel protecting cover (35) is arranged above the whole front wheel loading component (3); the lower end of the front wheel loading part (3) is provided with a front wheel track adjusting slide rail mechanism (38) which adjusts the distance wheel track through a front wheel adjusting screw rod (37).
3. The bin type four-wheel drive power assembly test bench allowing a whole vehicle to step into the environment according to claim 1, wherein the rear wheel loading part (4) comprises a rear wheel water-cooling dynamometer (41), a rear wheel torque sensor (42), a rear wheel cardan shaft (43), a rear wheel floating protective cover (44), a rear wheel protective cover (45), a rear wheel wheelbase adjusting slide rail mechanism (46), a rear wheel adjusting screw rod (47) and a rear wheel wheelbase adjusting slide rail mechanism (48); one side of the rear wheel water-cooling dynamometer (41) is connected with a rear wheel torque sensor (42); one side of the rear wheel torque sensor (42) is connected with a rear wheel cardan shaft (43); a rear wheel floating protective cover (44) is arranged on one side of the rear wheel universal shaft (43); a rear wheel protective cover (45) is arranged on the outer side of the rear wheel loading component (4); the bottom of the rear wheel loading part (4) is provided with a rear wheel base adjusting sliding rail mechanism (46) and a rear wheel base adjusting sliding rail mechanism (48), and the wheel base are adjusted through a rear wheel adjusting screw rod (47).
4. The vehicle stepping environment bin type four-wheel drive powertrain test bench of claim 2 or 3, wherein the front wheel protective cover (35) and the rear wheel protective cover (45) are both the same type of protective cover, and the main body of the vehicle stepping environment bin type four-wheel drive powertrain test bench comprises a rear cover plate (351), a door hasp (352), a reserved hole (353), a contact surface sealing rubber strip (354), a surface stainless steel plate (355), a central polyurethane filler (356), an inner stainless steel plate (357), a front detachable cover body (358) and a gas knife sealing component (359); a door hasp (352) is arranged on one side, close to the upper end, of the rear cover plate (351); a reserved opening (353) is formed in the same plane of the door hasp (352); a contact surface sealing rubber strip (354) is arranged on the surface contact surface of the plate; the upper surface of the cover body of the protective cover is a stainless steel plate (355); a central polyurethane filler (356) is arranged in the stainless steel plate (355); an inner stainless steel plate (357) is arranged below the central polyurethane filler (356); the front parts of the front wheel protective cover (35) and the rear wheel protective cover (45) are front detachable cover bodies (358), and a plurality of door hasps (352) are arranged on the two sides and the upper end of each front detachable cover body; an air knife sealing component (359) is arranged at the front end of the front detachable cover body (358).
5. The test bed for the four-wheel drive power assembly with the whole vehicle stepping-in environmental chamber type according to the claim 2 or 3, characterized in that an air inlet pressure regulating valve and an air exhaust back pressure valve are arranged outside the front wheel protective cover (35) and the rear wheel protective cover (45).
6. The vehicle step-in environmental chamber type four-wheel drive power assembly test bed of claim 4, wherein the reserved opening (353) comprises a cable hole, an air inlet hole, an air outlet hole and a cooling water hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120925778.9U CN215262443U (en) | 2021-04-30 | 2021-04-30 | Whole car step-in environment storehouse formula four-wheel drive power assembly test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120925778.9U CN215262443U (en) | 2021-04-30 | 2021-04-30 | Whole car step-in environment storehouse formula four-wheel drive power assembly test bench |
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| Publication Number | Publication Date |
|---|---|
| CN215262443U true CN215262443U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120925778.9U Active CN215262443U (en) | 2021-04-30 | 2021-04-30 | Whole car step-in environment storehouse formula four-wheel drive power assembly test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215262443U (en) |
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2021
- 2021-04-30 CN CN202120925778.9U patent/CN215262443U/en active Active
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