CN220188669U - Dual-mode motor jolt endurance test bench - Google Patents
Dual-mode motor jolt endurance test bench Download PDFInfo
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- CN220188669U CN220188669U CN202321165145.8U CN202321165145U CN220188669U CN 220188669 U CN220188669 U CN 220188669U CN 202321165145 U CN202321165145 U CN 202321165145U CN 220188669 U CN220188669 U CN 220188669U
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- 238000012360 testing method Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 8
- 239000006096 absorbing agent Substances 0.000 claims description 8
- 230000035939 shock Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims 10
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000005484 gravity Effects 0.000 abstract description 3
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Abstract
The utility model relates to a dual-mode motor jolt endurance test rack, wherein a tested motor is arranged on the rack and drives tested wheels; the first load subassembly of bearing in the wheel below of being surveyed is installed to the frame bottom, and the second load subassembly is installed at the frame top, first load subassembly includes: the generator is installed in the frame bottom, and the backing roller installs in the frame bottom, and is driven the rotation by the generator, jolts the piece, is located the excircle surface of backing roller, and the backing roller rotates the in-process, and the measured wheel rolls and jolts the piece, the second load subassembly is located the frame top, includes: and the load weights are stacked on the top surface of the frame, load locking screws penetrate through and limit the load weights. According to the utility model, load is applied to the motor to be tested in two load modes of the load weight and the supporting roller, which is different from a conventional mode of providing load by single gravity, and the energy-saving module is additionally arranged, so that the electric energy consumption of the motor in long-term endurance test is reduced.
Description
Technical Field
The utility model relates to the technical field of electric vehicle test tools, in particular to a dual-mode motor jolt endurance test bench.
Background
With the popularization of electric vehicles, the power system of the electric vehicle is more important, and particularly the motor part is also important. At present, electric vehicle motors are generally divided into simple low-power motors, light electric motor, electric motor and the like, and the reliability and durability of the motors are important performance indexes no matter what kind of motors are.
The reliability and durability test of the motor of the electric vehicle are generally carried out in three modes at present, namely a mode of manual actual road test after loading, and the mode uses manpower and consumes a great amount of manpower resources; secondly, the chassis dynamometer is used, so that the chassis dynamometer is high in cost, and only single test is durable, so that equipment is wasted greatly; third, custom-made special endurance and reliability testing equipment is used, but the current loading mode of the equipment is only carried out by a single mode of increasing the load weight, the operation is complex, a large number of weight-bearing weights are required to be prepared, and a large amount of power resources are consumed by endurance testing for several months.
Disclosure of Invention
The inventor provides a dual-mode motor jolt durability test bench with reasonable structure aiming at the defects in the prior art, changes the conventional mode of providing load by means of gravity, and adds an energy recovery module, thereby reducing a great amount of energy consumption when the equipment is used.
The technical scheme adopted by the utility model is as follows:
a dual-mode motor jolt endurance test rack comprises a rack, wherein a tested motor is arranged on the rack, and the tested motor drives tested wheels; the bottom of the frame is provided with a first load component which is supported below the tested wheel, the top of the frame is provided with a second load component,
the first load assembly includes:
a generator arranged at the bottom of the frame,
the supporting roller is arranged at the bottom of the frame and is driven to rotate by the generator,
the bump block is positioned on the outer circle surface of the supporting roller, the tested wheel rolls over the bump block in the rotating process of the supporting roller,
the second load assembly is located at the top of the frame, and includes:
a load weight stacked on the top surface of the frame,
the load locking screw penetrates through and limits the load weight.
As a further improvement of the above technical scheme:
the top of the frame is provided with a load support, the second load component is pressed on the load support, the load shock absorber is arranged below the load support, and the motor to be tested and the wheels to be tested are arranged on the load shock absorber.
The frame comprises a bottom frame and a vertical rod which is positioned on one side of the bottom frame and extends upwards, and the load bracket is positioned at the top of the vertical rod; the second load assembly is located on a side of the load support facing away from the upright.
The chassis deviates from the one side of pole setting and sets up hydraulic pressure ejector pin, and hydraulic pressure ejector pin supports in the one side that the load support deviates from the pole setting.
The middle section position of pole setting sets up the fixed bolster, and another impetus of being surveyed motor, being surveyed the wheel is on the fixed bolster.
The motor to be tested is connected with a first motor controller, the generator of the supporting roller is connected with a second motor controller, and the first motor controller and the second motor controller are connected.
A coupling or a gear pair is connected between the generator and the supporting roller.
The underframe is provided with a generator support frame, and the generator support frame is provided with a bearing capable of longitudinally and reciprocally sliding and a sliding shaft capable of transversely and reciprocally sliding.
The diameter of the supporting roller is larger than that of the measured wheel.
The load bracket is provided with a cooling fan.
The beneficial effects of the utility model are as follows:
the utility model has compact and reasonable structure and convenient operation, applies load to the motor to be tested by two load modes of the load weight and the supporting roller, is different from the conventional mode of providing load by single gravity, and is newly added with an energy-saving module, thereby reducing the electric energy consumption of the motor during long-term endurance test.
The test bench drives the supporting roller by using the generator, and the supporting roller simultaneously plays two roles of supporting the tested wheel and forming a opposite-dragging mode with the tested motor of the tested wheel; when the motor is in a opposite dragging state, the load torque borne by the tested motor is the load torque from the generator, and at the moment, the load requirement required by the experiment can be met without a load weight or by reducing the load weight;
the utility model also provides an energy-saving mode, in the energy-saving mode, the motor controller is communicated with the corresponding generator through the introduction of the motor controller, the electric energy generated by the generator is fed back to the power supply of the motor controller, and the energy recovery and the cyclic utilization are realized by adopting the energy-saving and environment-friendly load mode.
The utility model can provide load for test for a long time, simulate the bumping situation by using the bumping block, and reduce the electric energy consumption in the whole process by feeding electric energy back to the electronic load.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a top view of the present utility model.
Fig. 3 is a schematic view of another view of the present utility model, with a hydraulic ram.
Figure 4 is a schematic diagram of the connection relationship between the first motor controller and the second motor controller,
the torque mode is shown.
Figure 5 is a schematic diagram of the connection relationship between the first motor controller and the second motor controller according to the present utility model,
the figure shows the energy saving mode.
Wherein: 1. a frame; 2. a motor to be tested; 3. a first load assembly; 4. a second load assembly; 5. a first motor controller; 6. a second motor controller; 7. a bearing; 8. a sliding shaft; 9. a heat radiation fan;
101. a load bracket; 102. load damping; 103. a chassis; 104. a vertical rod; 105. a hydraulic ejector rod; 106. a fixed bracket; 107. a generator support frame; 108. a fixed point;
201. a wheel to be measured;
301. a generator; 302. supporting rollers; 303. a bump block;
401. a load weight; 402. a load locking screw; 403. and (5) loading a lock nut.
Detailed Description
The following describes specific embodiments of the present utility model with reference to the drawings.
As shown in fig. 1 to 5, the dual-mode motor jolt durability test bench of the embodiment comprises a frame 1, wherein a tested motor 2 is installed on the frame 1, and the tested motor 2 drives tested wheels 201; a first load component 3 supported below the tested wheel 201 is arranged at the bottom of the frame 1, a second load component 4 is arranged at the top of the frame 1,
the first load assembly 3 includes:
a generator 301, which is installed at the bottom of the frame 1,
a supporting roller 302, which is installed at the bottom of the frame 1 and is driven to rotate by the generator 301,
a bump block 303 is positioned on the outer circumferential surface of the supporting roller 302, and during the rotation of the supporting roller 302, the wheel 201 to be measured rolls over the bump block 303,
the second load assembly 4 is located on top of the frame 1 and comprises:
a load weight 401, stacked on the top surface of the frame 1,
the load locking screw 402 penetrates and limits the load weight 401.
The top of the frame 1 is provided with a load bracket 101, the second load component 4 is pressed on the load bracket 101, a load shock absorber 102 is arranged below the load bracket 101, and the motor 2 to be tested and the wheel 201 to be tested are arranged on the load shock absorber 102.
The frame 1 comprises a bottom frame 103 and a vertical rod 104 which is arranged on one side of the bottom frame 103 and extends upwards, and the load bracket 101 is arranged on the top of the vertical rod 104; the second load assembly 4 is located on the side of the load carrier 101 facing away from the upright 104.
The side of the underframe 103, which is away from the upright 104, is provided with a hydraulic ejector rod 105, and the hydraulic ejector rod 105 is supported on the side of the load support 101, which is away from the upright 104.
The middle section position of the upright pole 104 is provided with a fixed bracket 106, and the other force points of the tested motor 2 and the tested wheel 201 are arranged on the fixed bracket 106.
The motor 2 to be tested is connected with a first motor controller 5, the generator 301 of the supporting roller 302 is connected with a second motor controller 6, and the first motor controller 5 and the second motor controller 6 are connected.
A coupling or a gear pair is connected between the generator 301 and the support roller 302.
The underframe 103 is provided with a generator support frame 107, and the generator support frame 107 is provided with a bearing 7 which longitudinally reciprocates and slides and a sliding shaft 8 which transversely reciprocates and slides.
The diameter of the support roller 302 is larger than the diameter of the wheel 201 to be measured.
The load bracket 101 is provided with a heat radiation fan 9.
The utility model has the following specific structure and working principle:
as shown in fig. 1 and 2, the test bench of the utility model is mainly used for jolt endurance test and aging test of a motor, and mainly comprises a stand 1, wherein the stand 1 is divided into a bottom frame 103 at the bottom and a vertical rod 104 arranged vertically at the side edge of the bottom frame 103, and a horizontal load bracket 101 is arranged at the top of the vertical rod 104.
As shown in fig. 3, in another embodiment of the frame 1, a hydraulic ejector rod 105 is added on the basis of fig. 1, and the hydraulic ejector rod 105 and the upright rod 104 are respectively located at two sides of the frame 1 to support the load support 101. The load support 101 is provided with a load frame supporting point, and the top end of the hydraulic ejector rod 105 is connected with the load frame supporting point, so that the tested wheel 201 connected with the tested motor 2 is suspended, and the tested motor 2 is placed and taken.
A load weight 401 is arranged above the load bracket 101, and the load weight 401 is arranged on the load locking screw 402 in a penetrating way and is limited by screwing a load locking nut 403 which is also arranged on the load locking screw 402 in a penetrating way. In one embodiment of the present utility model, the load weight 401 is used as one of the loads for increasing the load of the motor 2 to be tested, and three load weights 401 may be used as load sources for simulating the upward and downward pressure load during running.
In order to eliminate displacement and abrasion caused by friction and vibration between the load weight 401 and the load bracket 101, in one embodiment of the utility model, a rubber pad is additionally arranged between the load weight 401 and the load bracket 101 to play a role in protecting against abrasion.
A fixed point 108 is arranged below the load support 101, and a plurality of fixed points 108 can be arranged along the plane array of the load support 101; the motor is used for selecting assembly points of different motors and different load damping 102 positions, so that the universal installation of the motors is ensured, and the function of stabilizing the motor 2 to be tested is realized; one of the fixed points 108 is connected with the load shock absorber 102, and the load shock absorber 102 plays a role of buffering in the process of simulating the running process of the whole vehicle, particularly simulating the running state of the actual vehicle when the bump block 303 bumps the tested wheel 201.
The supporting roller 302 below the tested wheel 201 is driven by the generator 301, and the supporting roller 302 and the generator 301 are arranged on the underframe 103; the supporting roller 302 and the tested wheel 201 are mutually supported and rubbed, and the supporting roller 302 and the tested wheel 201 run synchronously; the chassis 103 includes a portion for supporting the supporting roller 302, and functions to strengthen the connection strength of the supporting roller 302.
In one embodiment of the present utility model, as shown in fig. 1, a bump block 303 is provided on the surface of a supporting roller 302, and the supporting roller 302 rotates one turn to bump the wheel 201 to be tested once. The diameter of the support roller 302 may be equal to or greater than the diameter of the wheel 201 under test, such that the wheel 201 bumps once when it is rotated one or more turns.
As an alternative embodiment, the transmission structure of the generator 301 driving the supporting roller 302 may be a coupling with a rotational speed of 1:1, or may be a reduction gear pair structure.
The gear ratio of the gear pair may be selected to be 1 or a number n greater than 1 to achieve an increase in torque of the backup roller 302. The torque increase factor on the support roller 302 is the gear ratio n of the gear pair.
If the speed ratio n is used, the generator 301 can be rotated n times when the support roller 302 rotates one time, thereby recovering more electricity.
The chassis 103 is further provided with a part special for supporting the generator 301, and in order to facilitate the up-down and left-right movement of the generator 301, the chassis 103 is provided with a dark yellow bearing 7 and a sliding shaft 8 correspondingly, so that the generator 301 falls on the sliding shaft 8 and can reciprocate along the sliding shaft 8 to be matched with a transmission structure such as a coupler. The sliding of the sliding shaft 8 belongs to a common technical means, and is not described in detail in this embodiment.
The load bracket 101 is provided with a cooling fan 9 blowing downwards, which plays a role in cooling the tested wheel 201 and the supporting roller 302 which rub for a long time.
As shown in fig. 4, a state diagram of an operation process is shown, in which a torque load mode is shown, and the motor 2 to be tested is in a durable load test process and needs to carry a heavy load; the generator 301 is connected to the second motor controller 6 through a motor wire, the second motor controller 6 is in a torque mode at the moment, when the generator 301 runs, the supporting roller 302 is loaded, and is propped against the tested wheel 201, the tested motor 2 and the generator 301 are in a opposite-dragging mode, and the application of a large load can be realized without continuously adding a load weight 401.
Fig. 5 shows that the present utility model is in an energy-saving mode, at this time, the tested motor 2 drives the tested wheel 201 to operate, drives the supporting roller 302 to rotate, the supporting roller 302 drives the transmission structure and the generator 301, the generator 301 is used as a driven member at this time, the generator 301 is connected to the second motor controller 6 through a motor wire, and the generated energy of the generator 301 is fed back to the power supply of the motor controller through the second motor controller 6, so as to realize energy recovery and recycling.
The power supply of the motor controller in the utility model is a direct current power supply.
The motor 2 to be tested used in the present utility model may be any motor for a vehicle with a tire, or may be a general in-wheel motor or other commercially available generator 301.
To facilitate the adjustment of the height of the frame 1, in one embodiment of the utility model, adjustable braces are used and mounted to the bottom of the chassis 103. The adjustable heel brace may be a commercially available piece, and will not be described in detail herein.
The above description is intended to illustrate the utility model and not to limit it, the scope of which is defined by the claims, and any modifications can be made within the scope of the utility model.
Claims (10)
1. The utility model provides a durable test bench of dual mode motor jolt, includes frame (1), its characterized in that: a tested motor (2) is arranged on the frame (1), and the tested motor (2) drives tested wheels (201); a first load component (3) supported below the tested wheel (201) is arranged at the bottom of the frame (1), a second load component (4) is arranged at the top of the frame (1),
the first load assembly (3) comprises:
a generator (301) arranged at the bottom of the frame (1),
a supporting roller (302) which is arranged at the bottom of the frame (1) and is driven to rotate by a generator (301),
the bump block (303) is positioned on the outer circle surface of the supporting roller (302), the tested wheel (201) rolls the bump block (303) in the rotating process of the supporting roller (302),
the second load assembly (4) is located at the top of the frame (1), and comprises:
a load weight (401) stacked on the top surface of the frame (1),
and the load locking screw (402) penetrates through and limits the load weight (401).
2. The dual mode motor jounce endurance test stand of claim 1, wherein: the top of the frame (1) is provided with a load bracket (101), the second load component (4) is pressed on the load bracket (101), a load shock absorber (102) is arranged below the load bracket (101), and the motor (2) to be tested and the wheels (201) to be tested are arranged on the load shock absorber (102).
3. The dual mode motor jounce durability test stand of claim 2, wherein: the frame (1) comprises a bottom frame (103) and a vertical rod (104) which is arranged on one side of the bottom frame (103) and extends upwards, and the load bracket (101) is arranged on the top of the vertical rod (104); the second load assembly (4) is located on the side of the load carrier (101) facing away from the upright (104).
4. A dual mode motor jounce durability test stand as set forth in claim 3 wherein: a hydraulic ejector rod (105) is arranged on one side, away from the upright rod (104), of the underframe (103), and the hydraulic ejector rod (105) is supported on one side, away from the upright rod (104), of the load support (101).
5. A dual mode motor jounce durability test stand as set forth in claim 3 wherein: the middle section position of the upright rod (104) is provided with a fixed bracket (106), and the other force points of the tested motor (2) and the tested wheel (201) are arranged on the fixed bracket (106).
6. The dual mode motor jounce endurance test stand of claim 1, wherein: the motor (2) to be tested is connected with a first motor controller (5), a generator (301) of a supporting roller (302) is connected with a second motor controller (6), and the first motor controller (5) and the second motor controller (6) are connected.
7. The dual mode motor jounce endurance test stand of claim 1, wherein: a coupling or a gear pair is connected between the generator (301) and the supporting roller (302).
8. The dual mode motor jounce endurance test stand of claim 1, wherein: the chassis (103) is provided with a generator support frame (107), and the generator support frame (107) is provided with a bearing (7) which longitudinally reciprocates and slides and a sliding shaft (8) which transversely reciprocates and slides.
9. The dual mode motor jounce endurance test stand of claim 1, wherein: the diameter of the supporting roller (302) is larger than that of the measured wheel (201).
10. The dual mode motor jounce durability test stand of claim 2, wherein: the load bracket (101) is provided with a cooling fan (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321165145.8U CN220188669U (en) | 2023-05-12 | 2023-05-12 | Dual-mode motor jolt endurance test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321165145.8U CN220188669U (en) | 2023-05-12 | 2023-05-12 | Dual-mode motor jolt endurance test bench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220188669U true CN220188669U (en) | 2023-12-15 |
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ID=89107201
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321165145.8U Active CN220188669U (en) | 2023-05-12 | 2023-05-12 | Dual-mode motor jolt endurance test bench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220188669U (en) |
-
2023
- 2023-05-12 CN CN202321165145.8U patent/CN220188669U/en active Active
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