CN220136668U - Gradient experiment device for automobile dumping test - Google Patents

Abstract

The utility model discloses a gradient experiment device for automobile dumping test, which comprises a gradient experiment device body, wherein a lifting frame is arranged in the middle of the upper end surface of the gradient experiment device body, and four end angles of the outer surface of the lifting frame are fixedly provided with a connecting rotating shaft. According to the utility model, the four connecting rotating shafts at the four end angles on the outer surface of the lifting frame can be respectively and fixedly arranged through the stepping motors in four directions, before the lifting frame is used, the toppling direction of lifting is firstly determined, the connecting rotating shafts in the corresponding directions are fixed, when the lifting frame is pushed upwards by the hydraulic cylinder, the lifting frame rotates by taking the fixed connecting rotating shafts as the center point, and the lifting frame on the body of the gradient experiment device can topple in four different directions respectively through the technical scheme, so that not only the left-right toppling angle of a vehicle can be detected, but also the front-back sliding angle of the vehicle can be detected, and the flexibility of equipment is improved.

Description

Gradient experiment device for automobile dumping test

Technical Field

The utility model relates to the technical field of experimental devices, in particular to a gradient experimental device for an automobile dumping test.

Background

An automobile refers to a non-track-borne vehicle driven by power and having 4 or more wheels, and is mainly used for: carrying personnel and/or cargo; a vehicle for hauling personnel and/or cargo; or a special purpose thereof;

rollover of an automobile during running is one of the most serious accidents threatening occupant safety, and is closely related to automobile stability and personnel handling. The factors causing the automobile to turn on one's side are many, external factors have road adhesion coefficient, speed of a motor vehicle, turning radius, driver's operation, weather environment etc., external influence automobile is very complicated, and most factors are difficult to control, the improvement effect is limited, therefore many automobile manufacturers are devoted to researching and improving the automobile self state, promote the automobile initiative factor of safety with simple and effective method, improve the automobile stability of turning on one's side, the test mode of turning on one's side of current automobile is, stop the automobile on the automobile and roll on the experiment table, later change the angle of experiment table self through hydraulic system's propelling movement, record the angle of toppling over of automobile and its data in this process, this kind of equipment also can be called a slope experimental apparatus for automobile to topple over test.

The experiment table on the gradient experiment device for the existing automobile dumping test can only be dumped left and right, and only can detect the value of the dumped left and right of the automobile, so that the limitation is high; therefore, the existing requirements are not met, and a gradient experiment device for the automobile dumping test is provided.

Disclosure of Invention

The utility model aims to provide a gradient experiment device for an automobile dumping test, which aims to solve the problems that an experiment table on the gradient experiment device for the existing automobile dumping test, which is proposed in the background art, can only be dumped left and right, and only can detect the value of the dumping of a vehicle left and right.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a slope experimental apparatus for car is emptyd test, includes slope experimental apparatus body, the intermediate position of slope experimental apparatus body up end is equipped with the lifting frame, four end angles of lifting frame surface are all fixed and are equipped with one and connect the pivot, four the outside of connecting the pivot all is equipped with one and is located the pivot mounting groove of slope experimental apparatus body up end, just connect the inside that the pivot inserted the pivot mounting groove.

Preferably, four end angles of the upper end face of the gradient experiment device body are respectively provided with a sliding rail which is respectively communicated with the interiors of the four rotating shaft mounting grooves, a motor sliding table is slidably arranged in the sliding rail, and an automobile protection frame is fixedly arranged in the middle of the upper end face of the motor sliding table.

Preferably, the below of lifting frame is equipped with the mounting groove, the inside of mounting groove is equipped with the pneumatic cylinder, link to each other through universal spherical connector between telescopic link and the bottom distribution on the pneumatic cylinder and the intermediate position of the lower terminal surface of lifting frame and the bottom inner wall of mounting groove.

Preferably, one side of each connecting rotating shaft is provided with a stepping motor arranged inside the gradient experiment device body, and an output shaft of the stepping motor is connected with a motor rotating shaft through a coupling.

Preferably, the outer surface fixed cover of motor shaft is equipped with bevel gear B, the bilateral symmetry meshing of bevel gear B surface has two bevel gears A, bevel gear A's axle center is connected with the pivot, the fixed threaded rod that is equipped with of one end of pivot, one side cover of threaded rod surface is equipped with the internal thread cover, one side of internal thread cover is equipped with the arc, link to each other through the connecting rod between internal thread cover and the arc.

Preferably, the outside of lifting frame is equipped with the shape apron that returns that is located slope experimental apparatus body up end, fix mutually through the screw between slope experimental apparatus body and the shape apron that returns.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the four connecting rotating shafts on the lifting frame can be respectively arranged in the four rotating shaft mounting grooves through the four-direction stepping motor, before the lifting frame is used, the dumping direction of the lifting frame is firstly determined, and the connecting rotating shafts in the corresponding directions are fixed by the four connecting rotating shafts, when the lifting frame is pushed upwards by the hydraulic cylinder, the lifting frame rotates according to the fixed connecting rotating shafts as the center point, and through the technical scheme, the lifting frame on the gradient experiment device body can be respectively dumped in four different directions, so that not only the left and right dumping angle of a vehicle can be detected, but also the front and rear sliding angle of the vehicle can be detected, and the flexibility of equipment is improved;

2. according to the utility model, the automobile protection frame is arranged in four directions in which the lifting frame can topple, before the automobile protection frame is used, the motor sliding table fixed with the automobile protection frame is started, the automobile protection frame is moved to a position close to an automobile, when the angle is overlarge, the automobile moves or topples, the automobile can automatically enter the inside of the automobile protection frame, and the automobile protection frame can effectively stop the movement of the automobile, so that the automobile is prevented from being damaged more.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a top view of the internal structure of FIG. 1A in accordance with the present utility model;

figure 3 is a front view of the internal structure of the utility model below the lifting frame as a whole.

In the figure: 1. a gradient experiment device body; 2. lifting the frame; 3. the connecting rotating shaft; 4. a rotating shaft mounting groove; 5. an arc-shaped plate; 6. a threaded rod; 7. an internal thread sleeve; 8. a rotating shaft; 9. bevel gear a; 10. bevel gear B; 11. a motor shaft; 12. a stepping motor; 13. a hydraulic cylinder; 14. a mounting groove; 15. a slide rail; 16. a motor sliding table; 17. an automobile protective frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

The gradient experiment device body 1 (model qcqf 1203), the stepping motor 12 (model DM 542S) and the hydraulic cylinder 13 (model HSG-50) mentioned in the present utility model are available from market purchase or private customization.

Referring to fig. 1 to 3, an embodiment of the present utility model provides: the utility model provides a slope experimental apparatus for car is emptyd test, includes slope experimental apparatus body 1, and the intermediate position of slope experimental apparatus body 1 up end is equipped with lifting frame 2, and four end angles of lifting frame 2 surface are all fixed and are equipped with one and connect pivot 3, and four outside of connecting pivot 3 all are equipped with one and are located the pivot mounting groove 4 of slope experimental apparatus body 1 up end, and connect the inside that pivot 3 inserted pivot mounting groove 4.

Working principle: when the lifting device is used, a power supply is connected, a vehicle is started to the lifting frame 2, the dumping direction of the vehicle is determined, a stepping motor 12 in the corresponding direction is started, a motor rotating shaft 11 connected with the stepping motor 12 and a bevel gear B10 fixedly sleeved on the motor rotating shaft 11 can be driven to rotate by the stepping motor 12, when the bevel gear B10 rotates, two bevel gears A9 meshed with the bevel gears A9 and a rotating shaft 8 connected with the shaft of the bevel gears A9 are also rotated along with the bevel gears A9, when the rotating shaft 8 rotates, a threaded rod 6 fixed with the rotating shaft and an internal thread sleeve 7 which is sleeved on the threaded rod 6 and is connected with the threaded rod 6 but cannot rotate, move along with the threaded rod, when the two internal thread sleeves 7 simultaneously move inwards, the internal thread sleeve 7 moves to the upper end face of a connecting rotating shaft 3 fixed between the two internal thread sleeves 2, so as to fix the connecting rotating shaft 3, and then a hydraulic cylinder 13 positioned below the lifting frame 2 is started, as the hydraulic cylinder 13 is connected with the connecting shaft 8 through universal spherical connectors between the hydraulic cylinder 13 and a mounting groove 14 and a telescopic head on the hydraulic cylinder 13 and the lifting frame 2, and the lifting frame 2 is not required to be rotated in the same direction, and the lifting device can be recovered by the lifting device in the same direction as the lifting frame 2;

four directions that can empty through lifting frame 2 all are equipped with an automobile protection frame 17, before using, start the motor slip table 16 fixed mutually with it, remove automobile protection frame 17 to the position that is close to the car, when the angle is too big, the car takes place to remove or take place to empty when, will get into the inside of automobile protection frame 17 automatically, can effectively stop the activity of car through automobile protection frame 17 self to prevent that the car from receiving more injuries.

Working principle: when the lifting device is used, a power supply is connected, a vehicle is started to the lifting frame 2, the dumping direction of the vehicle is determined, a stepping motor 12 in the corresponding direction is started, a motor rotating shaft 11 connected with the stepping motor 12 and a bevel gear B10 fixedly sleeved on the motor rotating shaft 11 can be driven to rotate by the stepping motor 12, when the bevel gear B10 rotates, two bevel gears A9 meshed with the bevel gears A9 and a rotating shaft 8 connected with the shaft of the bevel gears A9 are also rotated along with the bevel gears A9, when the rotating shaft 8 rotates, a threaded rod 6 fixed with the rotating shaft and an internal thread sleeve 7 which is sleeved on the threaded rod 6 and is connected with the threaded rod 6 but cannot rotate, move along with the threaded rod, when the two internal thread sleeves 7 simultaneously move inwards, the internal thread sleeve 7 moves to the upper end face of a connecting rotating shaft 3 fixed between the two internal thread sleeves 2, so as to fix the connecting rotating shaft 3, and then a hydraulic cylinder 13 positioned below the lifting frame 2 is started, as the hydraulic cylinder 13 is connected with the connecting shaft 8 through universal spherical connectors between the hydraulic cylinder 13 and a mounting groove 14 and a telescopic head on the hydraulic cylinder 13 and the lifting frame 2, and the lifting frame 2 is not required to be rotated in the same direction, and the lifting device can be recovered by the lifting device in the same direction as the lifting frame 2; the method comprises the steps of carrying out a first treatment on the surface of the

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A slope experimental apparatus for car is emptyd test, includes slope experimental apparatus body (1), its characterized in that: the intelligent gradient experiment device is characterized in that a lifting frame (2) is arranged in the middle of the upper end face of the gradient experiment device body (1), four end corners of the outer surface of the lifting frame (2) are fixedly provided with a connecting rotating shaft (3), the outer sides of the connecting rotating shafts (3) are respectively provided with a rotating shaft mounting groove (4) positioned on the upper end face of the gradient experiment device body (1), and the connecting rotating shafts (3) are inserted into the rotating shaft mounting grooves (4).

2. The grade testing device for automobile dumping testing as set forth in claim 1, wherein: four end angles of the upper end face of the gradient experiment device body (1) are respectively provided with a sliding rail (15) which is respectively communicated with the interiors of the four rotating shaft mounting grooves (4), a motor sliding table (16) is slidably arranged in the sliding rail (15), and an automobile protection frame (17) is fixedly arranged in the middle of the upper end face of the motor sliding table (16).

3. The grade testing device for automobile dumping testing as set forth in claim 1, wherein: the lifting frame is characterized in that an installation groove (14) is formed in the lower portion of the lifting frame (2), a hydraulic cylinder (13) is arranged in the installation groove (14), and telescopic rods on the hydraulic cylinder (13) are distributed with the bottom end and connected with the middle position of the lower end face of the lifting frame (2) and the inner wall of the bottom end of the installation groove (14) through universal spherical connectors.

4. The grade testing device for automobile dumping testing as set forth in claim 1, wherein: one side of each connecting rotating shaft (3) is provided with a stepping motor (12) arranged inside the gradient experiment device body (1), and an output shaft of the stepping motor (12) is connected with a motor rotating shaft (11) through a coupling.

5. The grade testing device for vehicle tipping test of claim 4, wherein: the motor is characterized in that a bevel gear B (10) is sleeved on the outer surface of the motor rotating shaft (11), two bevel gears A (9) are symmetrically meshed on two sides of the outer surface of the bevel gear B (10), the shaft center of the bevel gear A (9) is connected with a rotating shaft (8), one end of the rotating shaft (8) is fixedly provided with a threaded rod (6), one side of the outer surface of the threaded rod (6) is sleeved with an inner thread sleeve (7), one side of the inner thread sleeve (7) is provided with an arc-shaped plate (5), and the inner thread sleeve (7) is connected with the arc-shaped plate (5) through a connecting rod.

6. The grade testing device for automobile dumping testing as set forth in claim 1, wherein: the outside of lifting frame (2) is equipped with the shape apron that returns that is located slope experimental apparatus body (1) up end, fix mutually through the screw between slope experimental apparatus body (1) and the shape apron that returns.