CN114441187B - Cantilever type automobile simulation loading device - Google Patents
Cantilever type automobile simulation loading device Download PDFInfo
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- CN114441187B CN114441187B CN202111607436.3A CN202111607436A CN114441187B CN 114441187 B CN114441187 B CN 114441187B CN 202111607436 A CN202111607436 A CN 202111607436A CN 114441187 B CN114441187 B CN 114441187B
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- loading
- upright post
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- vehicle
- loading arm
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- 238000004088 simulation Methods 0.000 title claims abstract description 14
- 230000007246 mechanism Effects 0.000 claims abstract description 35
- 238000012360 testing method Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 10
- 230000008859 change Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- 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
- G01L5/28—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for testing brakes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention provides a cantilever type automobile simulation loading device, and aims to solve the problems of complex operation, low efficiency and the like in the existing automobile braking force test. Comprising the following steps: the base upright post is vertically arranged on the plane, and the bottom of the base upright post is fixed; the loading arm is rotatably arranged at the upper end of the base upright post and is vertical to the base upright post; the rotary driving mechanism is arranged at the upper end of the base upright post and used for driving the loading arm to rotate around the base upright post; the loading mechanism is arranged on the loading arm and is used for vertically downwards applying a loading force to the vehicle to be tested; and the control cabinet is electrically connected with the rotary driving mechanism and the loading mechanism. The device can provide continuous controllable load force for the vehicle, is convenient for simulating different load conditions of the vehicle, so as to test the braking force of the vehicle under different load conditions, and is convenient to operate.
Description
Technical Field
The invention relates to the technical field of automobile detection devices, in particular to a cantilever type automobile simulation loading device.
Background
In performing a vehicle braking force test, the vehicle is typically checked for empty, and weights are often used to weight the vehicle if it is to be tested for braking force under load. At present, no related simulation loading device is used for simulating the balance weight, when the balance weight is adopted for balancing the balance weight, the balance weight amount is not well controlled, the continuity is poor, more balance weights are required to be equipped, the operation is more complicated, and the test efficiency is low.
Disclosure of Invention
Aiming at the defects of the vehicle braking force test in the prior art, the invention provides the cantilever type automobile simulation loading device which can provide continuous and controllable load force for the vehicle, is convenient for simulating different load conditions of the vehicle so as to test the braking force of the vehicle under different load conditions, and is convenient to use.
In order to achieve the above purpose, the invention adopts the following technical scheme:
a cantilever-type automobile simulated loading device for simulating a vehicle load condition during a vehicle braking force test, comprising:
the base upright post is vertically arranged on the plane, and the bottom of the base upright post is fixed;
The loading arm is rotatably arranged at the upper end of the base upright post and is vertical to the base upright post;
the rotary driving mechanism is arranged at the upper end of the base upright post and used for driving the loading arm to rotate around the base upright post;
the loading mechanism is arranged on the loading arm and is used for vertically downwards applying a loading force to the vehicle to be tested; and
And the control cabinet is electrically connected with the rotary driving mechanism and the loading mechanism.
In one embodiment of the application, the device further comprises a rotating seat, wherein the rotating seat is rotatably arranged on the base upright post through a bearing, the end part of the loading arm is connected with the rotating seat, and the loading arm is driven to rotate through the rotating seat.
In one embodiment of the present application, the rotary driving mechanism includes a rotary motor and a reduction gear set, the rotary motor is mounted on the rotary seat, the reduction gear set is connected to an output end of the rotary motor and the base upright, and the rotary motor operates to drive the rotary seat to rotate around the base upright.
In one embodiment of the present application, the reduction gear set includes a driving gear, a transmission gear and a fixed gear that are sequentially meshed, the driving gear is sleeved on the output shaft of the rotating motor, and the fixed gear is fixedly sleeved on the base upright post.
In one embodiment of the application, the device further comprises a limiting mechanism, wherein the limiting mechanism comprises a baffle wheel and limiting blocks, the baffle wheel is arranged on two sides of the transmission gear, and the limiting blocks are arranged on the fixed gear.
In one embodiment of the application, the device further comprises an in-place sensor, wherein the in-place sensor is arranged on the baffle wheel and is used for measuring the distance between the baffle wheel and the limiting block.
In one embodiment of the present application, the loading mechanism includes a linear driving member and a loading portion mounted below the linear driving member, the linear driving member being mounted on the loading arm to drive the loading portion to move up and down, the loading portion being configured to contact the vehicle to apply a loading force.
In one embodiment of the present application, the linear driving member is a hydraulic cylinder, a cylinder end of the hydraulic cylinder is mounted on the loading arm, and a piston end is connected to the loading portion.
In an embodiment of the application, the linear driving member further includes a limiting rod, and the limiting rod is parallel to the hydraulic cylinder, vertically and slidably arranged on the loading arm.
In one embodiment of the application, a pressure sensor is arranged on the loading part, and the pressure sensor is in telecommunication connection with the control cabinet.
Compared with the prior art, the invention has the beneficial effects that:
The cantilever type automobile simulation loading device can apply load force to the automobile to be tested, simulate different load conditions of the automobile so as to test the braking force change of the automobile under different load conditions, has a simple structure, is firmly installed, can provide continuous and controllable loading force, is convenient to operate and use, increases the testing efficiency, and can provide a load of not less than 5000 kg.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the whole structure of a cantilever type automobile simulation loading device in the invention.
Fig. 2 is a schematic top view of a cantilever type automobile simulated loading device according to the present invention.
Fig. 3 is a schematic left-view structure of a cantilever type automobile simulation loading device in the invention.
Fig. 4 is a schematic structural view of a rotary driving mechanism in the present invention.
Fig. 5 is an enlarged schematic view of the portion a of fig. 1 according to the present invention.
Fig. 6 is an enlarged schematic view of the portion B of fig. 1 according to the present invention.
Reference numerals:
1. a base upright post; 2. a loading arm; 3. a rotating electric machine; 31. a drive gear; 32. a transmission gear; 33. a fixed gear; 4. a linear driving member; 41. a loading unit; 42. a limit rod; 5. a control cabinet; 6. a rotating seat; 7. a catch wheel; 71. a limiting block; 72. an in-place sensor; 8. an oil pump case.
Detailed Description
Hereinafter, only certain exemplary embodiments are briefly described. As will be recognized by those of skill in the pertinent art, the described embodiments may be modified in various different ways without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships conventionally placed in use of the product of the present invention, or orientations or positional relationships conventionally understood by those skilled in the art, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
The following disclosure provides many different embodiments, or examples, for implementing different features of the invention. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1 to 3, an embodiment of the present invention provides a cantilever type automobile simulation loading device which applies a load force to a vehicle to be tested to simulate a vehicle load condition when a vehicle braking force is tested. Comprises a base upright post 1, a loading arm 2, a rotary driving mechanism, a loading mechanism, a control cabinet 5, a rotary seat 6 and the like.
The base upright column 1 is vertically arranged on a plane (ground, a platform and the like) and is used as a supporting part and a rotation center of the loading arm 2, and the bottom of the base upright column is fixedly connected with the plane through an embedded part bolt.
And one end of the loading arm 2 is rotatably arranged at the upper end of the base upright post 1 and is perpendicular to the base upright post 1, and can rotate relative to the base upright post 1.
The rotary driving mechanism is arranged at the upper end part of the base upright post 1, is connected with the loading arm 2 and is used for driving the loading arm 2 to rotate around the base upright post 1.
And the loading mechanism is arranged on the loading arm 2 near the other end and is used for vertically downwards applying a loading force to the lower vehicle to be tested so as to simulate the condition of the vehicle load.
The control cabinet 5 can be arranged on the base upright column 1, is provided with a control panel and a display screen, is electrically connected with the rotary driving mechanism and the loading mechanism, and can control the rotation adjusting position of the loading arm 2 and control the loading mechanism to provide load force for a vehicle to be tested through the control cabinet 5.
As shown in fig. 1, the loading arm 2 is rotatably connected to the base column 1 via a swivel mount 6. Specifically, the rotating seat 6 is rotatably sleeved and installed at the upper end of the base upright 1 through a bearing, the end part of the loading arm 2 is connected with the rotating seat 6 through a bolt, and the rotating seat 6 rotates relative to the base upright 1 and drives the loading arm 2 to rotate.
Specifically, as shown in fig. 1, the rotating seat 6 is sleeved at the upper end of the base upright 1, and is rotationally connected through at least two bearings, and a limit baffle is arranged above the base upright 1 and the rotating seat 6, so that the rotating seat 6 and the loading arm 2 are ensured to be installed and rotate more stably, and the loading pressure in the testing process can be shared.
As shown in fig. 1 to 4, the rotary drive mechanism includes a rotary electric machine 3 and a reduction gear set. Wherein, rotating electrical machines 3 fixed mounting is on the outside of roating seat 6, and gear reduction group connects rotating electrical machines 3's output and base stand 1, and rotating electrical machines 3 moves, through gear reduction group transmission, drives roating seat 6 and rotates around base stand 1, and then drives loading arm 2 and rotate.
As shown in fig. 4 and 5, the reduction gear set includes a drive gear 31, a transfer gear 32, and a fixed gear 33, which are sequentially engaged. Wherein the driving gear 31 is sleeved on an output shaft of the output end of the rotating motor 3, the fixed gear 33 is fixedly sleeved on the base upright post 1, and the transmission gear 32 is meshed with the driving gear 31 and the fixed gear 33. The rotating motor 3 operates to drive the driving gear 31 to rotate, and drives the transmission gear 32 to rotate through meshing transmission, and the fixed gear 33 is fixedly installed, so that the transmission gear 32 rotates around the fixed gear 33 in a meshing manner, and the rotating motor 3, the rotating seat 6, the loading arm 2 and the like are driven to rotate around the base upright post 1.
The rotating motor 3 is arranged on the rotating seat 6 and corresponds to the position of the loading arm 2, the acting force of the loading arm 2 on the rotating seat 6 can be balanced to a certain extent, the rotating seat 6 and the loading arm 2 can be driven to rotate through a small driving force, the operation is more stable, and the torque born by an output shaft of the rotating motor 3 is smaller.
As shown in fig. 4, a stopper mechanism is further included, which includes a catch wheel 7 and a stopper 71. The baffle wheels 7 comprise 2 baffle wheels, are respectively arranged on two sides of the transmission gear 32, are connected with the rotating seat 6 and can rotate along with the rotating seat 6. The limiting blocks 71 comprise 1 or 2 limiting blocks, are arranged on the outer edge of the fixed gear 33, are matched with the catch wheel 7 to realize limiting, prevent the loading arm 2 from rotating by an excessive angle, and position a braking force testing station and an initial position.
Further, an in-position sensor 72 is also included, and the in-position sensor 72 is mounted on the catch wheel 7 for measuring the distance between the catch wheel 7 and the stopper 71. The in-place sensor 72 is in telecommunication connection with the control cabinet 5 and is associated with the rotating motor 3, so that the rotation of the rotating arm 2 is controlled more accurately, and the overlarge rotation angle is prevented.
As shown in fig. 1 and 6, the loading mechanism comprises a linear driving member 4 and a loading portion 41, wherein the linear driving member 4 is vertically mounted on the loading arm 2, the loading portion 41 is mounted at the lower end portion of the linear driving member 4, the linear driving member 4 is operated to drive the loading portion 41 to move up and down, and the loading portion 41 is used for applying a loading force to the vehicle in contact with the vehicle to be tested. The minimum distance from the ground (plane) when the loading portion 41 of the loading mechanism is running downwards can be up to 500mm. The loading force applied by the loading mechanism to the vehicle to be tested through the loading part 41 is continuously controllable, and the maximum loading force can exceed 5000kg.
The linear driving member 4 is preferably a hydraulic cylinder, the cylinder end of which is fixedly mounted on the loading arm 2, the piston end of which is connected with the loading portion 41, and the hydraulic cylinder operates to drive the loading portion 41 to move linearly up and down. The hydraulic cylinder is connected with the oil pump box 8 and the control cabinet 5 to realize intelligent driving and control.
As shown in fig. 6, the linear driving member 4 further includes a 42 limiting rod 42, where the limiting rod 42 is parallel to the hydraulic cylinder, is perpendicular to the loading arm 2, is slidably disposed on the loading arm 2, and operates along with the piston rod, so as to balance the piston rod and the loading portion 41, prevent the loading portion 41 from deflecting, ensure that the loading portion 41 is stably pressed against the vehicle to be tested, and make the applied load force uniform.
The loading part 41 is provided with a pressure sensor which can detect the load force applied to the vehicle to be tested by the loading part 41, the pressure sensor is in telecommunication connection with the control cabinet 5, and the detected pressure information can be transmitted to the control cabinet 5 so as to better control the linear driving piece 4 to operate and simulate the loading of the vehicle.
When the device is used, firstly, a vehicle to be tested runs onto a braking force test station, then, the loading arm 2 is controlled to rotate, the loading mechanism is enabled to rotate above the vehicle to be tested, and the rotation of the loading arm 2 is stopped; then, the linear driving member 4 is controlled to drive the loading part 41 to move downwards, contact with the vehicle and apply a preset load force to the vehicle, the vehicle performs a braking force test, and finally, after the braking force test is completed, the linear driving member 4 drives the loading part 41 to move upwards, and the rotary driving mechanism drives the loading arm 2 to rotate and return to the starting position.
The cantilever type automobile simulation loading device can apply continuous and controllable loading force to the automobile to be tested, simulate different loading conditions of the automobile so as to test the braking force change of the automobile under different loading conditions.
Claims (5)
1. A cantilever type automobile simulation loading device for simulating a load condition of a vehicle when testing braking force of the vehicle, comprising:
The base upright post (1) is vertically arranged on the plane, and the bottom of the base upright post is fixed;
The loading arm (2) is rotatably arranged at the upper end of the base upright post (1) and is perpendicular to the base upright post (1);
The rotary driving mechanism is arranged at the upper end of the base upright post (1) and used for driving the loading arm (2) to rotate around the base upright post (1);
the loading mechanism is arranged on the loading arm (2) and is used for vertically downwards applying a loading force to the vehicle to be tested; and
The control cabinet (5) is electrically connected with the rotary driving mechanism and the loading mechanism;
the rotary seat (6) is rotatably sleeved on the base upright post (1) through at least two bearings, and a limit baffle is arranged above the base upright post (1) and the rotary seat (6); the end part of the loading arm (2) is connected with the rotating seat (6), and is driven to rotate by the rotating seat (6);
the rotary driving mechanism comprises a rotary motor (3) and a reduction gear set, and the rotary motor (3) is arranged on the rotary seat (6) and corresponds to the position of the loading arm (2); the speed reduction gear set is connected with the output end of the rotating motor (3) and the base upright post (1), and the rotating motor (3) operates to drive the rotating seat (6) to rotate around the base upright post (1);
the reduction gear set comprises a driving gear (31), a transmission gear (32) and a fixed gear (33) which are sequentially meshed, the driving gear (31) is sleeved on an output shaft of the rotating motor (3), and the fixed gear (33) is fixedly sleeved on the base upright post (1);
the device also comprises a limiting mechanism, wherein the limiting mechanism comprises a baffle wheel (7) and limiting blocks (71), and the baffle wheel (7) is arranged on two sides of the transmission gear (32) and is connected with the rotating seat (6); the limiting block (71) is arranged on the fixed gear (33) and is matched with the catch wheel (7) to realize limiting;
the device further comprises an in-place sensor (72), wherein the in-place sensor (72) is arranged on the catch wheel (7) and is used for measuring the distance between the catch wheel (7) and the limiting block (71).
2. The cantilever type automobile simulation loading device according to claim 1, wherein the loading mechanism comprises a linear driving member (4) and a loading part (41) arranged below the linear driving member (4), the linear driving member (4) is arranged on the loading arm (2) and can drive the loading part (41) to move up and down, and the loading part (41) is used for applying a loading force in contact with the vehicle.
3. The cantilever type automobile simulated loading device according to claim 2, wherein the linear driving member (4) is a hydraulic cylinder, a cylinder end of the hydraulic cylinder is mounted on the loading arm (2), and a piston end is connected with the loading part (41).
4. A cantilever type automobile simulated loading device as claimed in claim 3, wherein said linear driving member (4) further comprises a limit rod (42), said limit rod (42) is disposed parallel to said hydraulic cylinder, and is vertically and slidably disposed through said loading arm (2).
5. Cantilever type automobile simulation loading device according to claim 2, characterized in that the loading section (41) is provided with a pressure sensor, which is in telecommunication connection with the control cabinet (5).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123244912 | 2021-12-22 | ||
| CN2021232449128 | 2021-12-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114441187A CN114441187A (en) | 2022-05-06 |
| CN114441187B true CN114441187B (en) | 2024-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111607436.3A Active CN114441187B (en) | 2021-12-22 | 2021-12-27 | Cantilever type automobile simulation loading device |
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| CN (1) | CN114441187B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2237012A1 (en) * | 2008-01-09 | 2010-10-06 | Fundación Cetena | Vehicle axle test bench |
| CN101912213A (en) * | 2010-07-07 | 2010-12-15 | 中国航天空气动力技术研究院 | Small-sized triaxial fully dynamic exhibition stand |
| CN202886097U (en) * | 2012-11-21 | 2013-04-17 | 延锋彼欧（上海）汽车外饰系统有限公司 | Mobile rigidity test equipment |
| CN105043753A (en) * | 2015-09-07 | 2015-11-11 | 河北工程大学 | Vehicle body installation fixing point static rigidity test bench and test method thereof |
| CN105092226A (en) * | 2015-08-13 | 2015-11-25 | 重庆长安汽车股份有限公司 | Universal loading device for cantilever |
| CN105640580A (en) * | 2016-02-29 | 2016-06-08 | 江苏美伦影像系统有限公司 | Rotary structure applicable to oral cavity CT |
| CN206644632U (en) * | 2017-04-19 | 2017-11-17 | 周鸿� | A kind of omnidirectional driving wheel structure |
| CN212639759U (en) * | 2020-05-06 | 2021-03-02 | 颜芸 | Automobile tire handling device convenient to control |
-
2021
- 2021-12-27 CN CN202111607436.3A patent/CN114441187B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2237012A1 (en) * | 2008-01-09 | 2010-10-06 | Fundación Cetena | Vehicle axle test bench |
| CN101912213A (en) * | 2010-07-07 | 2010-12-15 | 中国航天空气动力技术研究院 | Small-sized triaxial fully dynamic exhibition stand |
| CN202886097U (en) * | 2012-11-21 | 2013-04-17 | 延锋彼欧（上海）汽车外饰系统有限公司 | Mobile rigidity test equipment |
| CN105092226A (en) * | 2015-08-13 | 2015-11-25 | 重庆长安汽车股份有限公司 | Universal loading device for cantilever |
| CN105043753A (en) * | 2015-09-07 | 2015-11-11 | 河北工程大学 | Vehicle body installation fixing point static rigidity test bench and test method thereof |
| CN105640580A (en) * | 2016-02-29 | 2016-06-08 | 江苏美伦影像系统有限公司 | Rotary structure applicable to oral cavity CT |
| CN206644632U (en) * | 2017-04-19 | 2017-11-17 | 周鸿� | A kind of omnidirectional driving wheel structure |
| CN212639759U (en) * | 2020-05-06 | 2021-03-02 | 颜芸 | Automobile tire handling device convenient to control |
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| Publication number | Publication date |
|---|---|
| CN114441187A (en) | 2022-05-06 |
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