CN218865517U

CN218865517U - Wheel sideslip prevention device for vehicle test bed

Info

Publication number: CN218865517U
Application number: CN202223473381.4U
Authority: CN
Inventors: 张华平; 邓永辉; 房升义
Original assignee: Luoyang Heneng Electric Co ltd
Current assignee: Luoyang Heneng Electric Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-04-14
Anticipated expiration: 2032-12-26

Abstract

The utility model provides a wheel sideslip prevention device for a vehicle test bed, which comprises a mounting seat, a bearing seat box, a bearing seat and a connecting shaft, wherein the bearing seat box is arranged in the mounting seat, the whole bearing seat box is of a rectangular box structure, and the left side wall and the right side wall of the bearing seat box are respectively provided with a vertical waist-shaped through hole; the bearing frame be located the bearing frame incasement and with the lateral wall sliding fit all around of bearing frame case, the diapire of bearing frame case is connected through the attenuator to the bearing frame lower extreme, connecting axle one end pass through the bearing and install in the bearing frame, the connecting axle other end links firmly the ring flange that is used for connecting the wheel. The utility model discloses a make the bearing frame of connecting the axletree have the ascending degree of freedom of vertical side, can make the atress of wheel more be close actual road conditions test when the automobile body gesture changes, improve test data's reliability, simultaneously, the utility model discloses an application scope is wide, can be applied to rugged road surface analogue test platform and bend test bench.

Description

A prevent wheel device that sideslips for vehicle test bench

Technical Field

The utility model relates to a vehicle test technique specifically is a prevent wheel device that sideslips for vehicle test bench.

Background

The existing vehicle test bed basically meets the test requirements of oil and gas vehicles, but when the whole vehicle is tested, the road surface which can be simulated by the test bed is straight, various road conditions such as various curves, ramps and uneven road surfaces exist on the actual road surface, and the vehicles are continuously changed in different road conditions, so that the vehicle test bed has certain limitation when testing the comprehensive performance of the vehicles.

In order to expand the performance of the vehicle test bed and enable the vehicle test bed to be closer to the actual road condition, related development and research are carried out by a plurality of companies in China. For example, patent CN114061985A proposes a rough road simulation test bed, which simulates a rough road through a reuleake triangle so that the tire can generate vertical jolt during rotation; as well as a vehicle test stand with roll functionality developed by the present company, it can approximate a curved road surface by causing the test stand to roll. However, these extended functions of the hub test stand must be realized only by fixing the vehicle body on the test stand to ensure the stability of the relative position between the wheel and the hub. In the prior art, the fixing of the vehicle body is generally realized by arranging traction ropes at the front and the rear of the vehicle body, and the fixing structure can not realize the up-and-down movement of wheels; the wheel sideslip prevention device of the vehicle test bed also realizes vehicle body fixation by using a fixing device connected with wheels, for example, a patent previously applied by the company, the wheel sideslip prevention device of the vehicle test bed does not consider the problem that the wheels bump up and down, in addition, the shaft end connection mode of the wheels belongs to hard connection, and when the vehicle body state changes, a bearing part in the device is motionless, so that although the stability of the vehicle body is kept, the reaction force of the bearing part on an axle is certain difference between the stress of the wheels and the stress of the wheels in an actual road condition test, therefore, the due scene of the device is limited, and the test data obtained by using the device also has a great difference from the actual road test.

Disclosure of Invention

To the problem that exists among the background art, the utility model aims at providing a prevent wheel device that sideslips for vehicle test bench, it improves through the device that sideslips of preventing wheel to vehicle test bench original, the carrier part through making the connection axletree has the ascending degree of freedom of vertical side, can make the atress of wheel more be close actual road conditions test when the automobile body gesture changes, improve test data's reliability, and simultaneously, the carrier part when connecting the axletree has the ascending degree of freedom of vertical side, the range of application of also expandable device, make it can use on the rugged road surface simulation test bench.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a wheel sideslip prevention device for a vehicle test bed comprises a mounting seat, a bearing seat box, a bearing seat and a connecting shaft, wherein the mounting seat is fixedly mounted on a rotating hub platform and is positioned on the outer side of a rotating hub; the bearing frame be located the bearing frame incasement and with the lateral wall sliding fit all around of bearing frame case, the diapire of bearing frame case is connected through the attenuator to the bearing frame lower extreme, connecting axle one end pass through the bearing and install in the bearing frame, the connecting axle other end links firmly the ring flange that is used for connecting the wheel.

The bearing seat is integrally of a cuboid structure, the left side of a bearing hole in the bearing seat is communicated with a first through hole, the right side of the bearing hole is communicated with a second through hole, the first through hole and the second through hole are coaxial with the bearing hole, the inner diameter of the second through hole is larger than that of the first through hole, the bearing is arranged in the bearing hole, the inner diameter of the bearing is smaller than or equal to that of the first through hole, and a bearing positioning ring is arranged in the second through hole; the whole second step axle structure that is of connecting axle, it comprises first step axle, second step axle and the axle head flange of solid as an organic whole with the second step axle, the external diameter of second step axle is greater than first step axle, and first step axle is worn to establish in bearing and first through-hole, and the second step axle is located the second through-hole outside, and the shoulder of second step axle offsets with the bearing holding ring, axle head flange joint ring flange, the right-hand member threaded connection fastening nut of first step axle, fastening nut's the rotation is to advancing opposite direction with the wheel motion.

The damper is a spring damper and comprises a guide pillar and a spring, the upper end of the guide pillar is fixedly connected with the bearing seat box, a gap is formed between the lower end of the guide pillar and the bottom wall of the bearing seat box, the spring is sleeved on the guide pillar, the upper end of the spring is in contact with the bottom wall of the bearing seat box, and the lower end of the spring is in contact with the bottom wall of the bearing seat box.

The mounting seat comprises a bottom plate and a seat body positioned above the bottom plate, the bottom plate is fixedly connected with the upper surface of the hub rotating platform, a transverse through groove is formed in the seat body, and two vertical kidney-shaped grooves are formed in two side walls of the transverse through groove respectively; the top wall and the bottom wall of the bearing seat box are respectively provided with a through hole corresponding to the kidney-shaped groove, and each through hole is internally provided with a bolt and is connected with the corresponding kidney-shaped groove through the bolt.

The top wall of the transverse through groove is provided with a vertical threaded through hole, and a positioning adjusting bolt is arranged in the threaded through hole; the bearing frame case up end be equipped with the hole, the drill way of hole has linked firmly the apron, is equipped with the third through-hole at the middle part of apron, the lower extreme of positioning adjustment bolt passes the third through-hole on the apron and is arranged in the hole, the lower extreme of positioning adjustment bolt has linked firmly the stopper.

The flange plate is fixedly connected with the connecting shaft into a whole through bolts, and the end face of the flange plate adjacent to the wheel is provided with a shock pad.

The utility model has the advantages that: the utility model discloses a make the bearing frame of connecting the axletree have vertical ascending degree of freedom, can make the atress of wheel more be close actual road conditions test when the automobile body gesture changes, improve the reliability of test data, simultaneously, the utility model discloses an application scope is wide, can be applied to rugged road surface analogue test platform and bend test bench.

Drawings

Fig. 1 is a front view of the overall structure of the present invention.

Fig. 2 is a partial schematic view of fig. 1.

Fig. 3 is a schematic view of the connecting shaft and the bearing housing.

Fig. 4 is a left side view of the present invention.

In the figure: 1. the bearing comprises a mounting seat, 2, a bearing seat box, 3, a connecting shaft, 4, a bearing, 5, a flange plate, 6, a fastening nut, 8, a bearing seat, 9, a damper, 11, a bottom plate, 12, a seat body, 13, a shock pad, 15, a bearing positioning ring, 21, an inner hole, 22, a cover plate, 23, a through hole, 26, a waist-shaped through hole, 31, a first step shaft, 32, a second step shaft, 33, a shaft end flange, 91, a guide pillar, 92, a spring, 121, a transverse through groove, 122, a waist-shaped groove, 124, a positioning adjusting bolt, 125 and a limiting block.

Detailed description of the preferred embodiments

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, rather than all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-4, a wheel sideslip prevention device for a vehicle test bed comprises an installation seat 1, a bearing seat box 2, a bearing seat 8 and a connecting shaft 3, wherein the installation seat 1 is fixedly installed on a hub rotating platform and positioned outside a hub rotating platform, the bearing seat box 2 is arranged in the installation seat 1, the bearing seat box 2 is integrally of a rectangular box body structure, and the left side wall and the right side wall of the bearing seat box 2 are respectively provided with a vertical waist-shaped through hole 26; bearing frame 8 be located bearing housing case 2 and with bearing housing case 2 lateral wall sliding fit all around, the diapire of bearing housing case 2 is connected through attenuator 9 to the lower extreme of bearing

frame

8, 3 one end of connecting axle install in bearing frame 8 through bearing 4, the 3 other ends of connecting axle link firmly flange 5 that is used for connecting the wheel.

The bearing seat 8 is integrally of a cuboid structure, the left side of a bearing hole in the bearing seat is communicated with a first through hole, the right side of the bearing hole is communicated with a second through hole, the first through hole and the second through hole are coaxial with the bearing hole, the inner diameter of the second through hole is larger than that of the first through hole, the bearing 4 is arranged in the bearing hole, the inner diameter of the bearing 4 is smaller than or equal to that of the first through hole, and a bearing positioning ring 15 is arranged in the second through hole; the whole second step axle structure that is of connecting axle 3, it comprises first step axle 31, second step axle 32 and the axle head flange 33 of being solid as an organic whole with second step axle 32, the external diameter of second step axle 32 is greater than first step axle 31, first step axle 31 wears to establish in bearing 4 and first through-hole, second step axle 32 is located the second through-hole outside, and the shoulder of second step axle 32 offsets with bearing holding ring 15, axle head flange 33 connection ring flange 5, the right-hand member threaded connection fastening nut 6 of first step axle 31, fastening nut 6's the rotation is opposite with the wheel motion direction of advance.

The damper 9 is a spring damper and is composed of a guide pillar 91 and a spring 92, the upper end of the guide pillar 91 is fixedly connected with the bearing seat box 2, a gap is formed between the lower end of the guide pillar and the bottom wall of the bearing seat box 2, the spring 92 is sleeved on the guide pillar 91, the upper end of the spring 92 is in contact with the bottom wall of the bearing seat 8, and the lower end of the spring is in contact with the bottom wall of the bearing seat box 2.

The mounting seat 1 comprises a bottom plate 11 and a seat body 12 positioned above the bottom plate 11, the bottom plate 11 is fixedly connected with the upper surface of the hub rotating platform, a transverse through groove 121 is formed in the seat body 12, and two vertical kidney-shaped grooves 122 are respectively formed in two side walls of the transverse through groove 121; the top wall and the bottom wall of the bearing block box 2 are respectively provided with a through hole 23 corresponding to the kidney-shaped groove 122, and each through hole 23 is internally provided with a bolt and is connected with the corresponding kidney-shaped groove 122 through the bolt. Specifically, with the above structure, the mounting position of the bearing housing 2 can be adjusted up and down in the transverse through groove 121 to correspond to wheels of different models.

The top wall of the transverse through groove 121 is provided with a vertical threaded through hole, and a positioning adjusting bolt 124 is arranged in the threaded through hole; the bearing housing box 2 up end be equipped with hole 21, the drill way of hole 21 has linked firmly apron 22, is equipped with the third through-hole at the middle part of apron 22, the lower extreme of positioning adjustment bolt 124 passes the third through-hole on the apron 22 and is arranged in hole 21, the lower extreme of positioning adjustment bolt 124 has linked firmly stopper 125. Specifically, this partial structure has the effect of adjusting and fixed bearing housing 2, and the test of the wheel of the same model of being convenient for also can finely tune when the butt joint wheel, improves in the convenience of wheel butt joint.

The flange 5 is fixedly connected with the connecting shaft 3 into a whole through bolts, and the end faces of the flange 5 adjacent to the wheels are provided with shock absorbing pads 13.

The utility model discloses a prevent that wheel sideslip device installs in the commentaries on classics hub one side of vehicle test bench, during the test, the vehicle is through outside supplementary domatic entering testboard, every wheel corresponds a pair of commentaries on classics hub, then pull down the construction bolt of wheel, replace with longer bolt, it is firm with the wheel with the 5 butt joints of ring flange that prevent among the wheel sideslip device, bearing housing case 2 keeps free state during the butt joint, after the butt joint, use positioning adjustment bolt 124 earlier fixed and fix a position, then install the bolt of 2 lateral parts of fixed bearing housing case again. And after the four wheels of the test vehicle are butted, the measurement performance test can be carried out.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

The detailed part of the utility model is the prior art.

Claims

1. The utility model provides a prevent wheel device that sideslips for vehicle test bench, includes mount pad (1), bearing housing case (2), bearing frame (8) and connecting axle (3), mount pad (1) fixed mounting on changeing the hub platform and be located and change the hub outside, characterized by: a bearing seat box (2) is arranged in the mounting seat (1), the bearing seat box (2) is integrally of a rectangular box body structure, and vertical waist-shaped through holes (26) are respectively formed in the left side wall and the right side wall of the bearing seat box; bearing frame (8) be located bearing housing case (2) and with bearing housing case (2) lateral wall sliding fit all around, the diapire of bearing housing case (2) is connected through attenuator (9) to bearing frame (8) lower extreme, connecting axle (3) one end pass through bearing (4) and install in bearing frame (8), the connecting axle (3) other end links firmly ring flange (5) that are used for connecting the wheel.

2. The device of claim 1 for preventing wheel spin for a vehicle test stand, wherein: the bearing seat (8) is integrally of a cuboid structure, the left side of a bearing hole in the bearing seat is communicated with a first through hole, the right side of the bearing hole is communicated with a second through hole, the first through hole and the second through hole are coaxial with the bearing hole, the inner diameter of the second through hole is larger than that of the first through hole, the bearing (4) is installed in the bearing hole, the inner diameter of the bearing (4) is smaller than or equal to that of the first through hole, and a bearing positioning ring (15) is installed in the second through hole; the connecting shaft (3) is integrally of a two-stage step shaft structure and comprises a first step shaft (31), a second step shaft (32) and a shaft end flange (33) which is fixedly integrated with the second step shaft (32), the outer diameter of the second step shaft (32) is larger than that of the first step shaft (31), the first step shaft (31) penetrates through a bearing (4) and a first through hole, the second step shaft (32) is located outside a second through hole, a shaft shoulder of the second step shaft (32) is abutted to a bearing positioning ring (15), the shaft end flange (33) is connected with a flange plate (5), the right end of the first step shaft (31) is in threaded connection with a fastening nut (6), and the screwing direction of the fastening nut (6) is opposite to the advancing direction of the wheel movement.

3. The device for preventing the wheel from sideslip of the vehicle test bed, which is used for the vehicle test bed, according to claim 1, is characterized in that: the damper (9) is a spring damper and consists of a guide pillar (91) and a spring (92), the upper end of the guide pillar (91) is fixedly connected with the bearing seat box (2), a gap is reserved between the lower end of the guide pillar and the bottom wall of the bearing seat box (2), the spring (92) is sleeved on the guide pillar (91), the upper end of the spring (92) is in contact with the bottom wall of the bearing seat (8), and the lower end of the spring is in contact with the bottom wall of the bearing seat box (2).

4. The device of claim 1 for preventing wheel spin for a vehicle test stand, wherein: the mounting seat (1) comprises a bottom plate (11) and a seat body (12) positioned above the bottom plate (11), the bottom plate (11) is fixedly connected with the upper surface of the rotating hub platform, a transverse through groove (121) is formed in the seat body (12), and two vertical kidney-shaped grooves (122) are formed in two side walls of the transverse through groove (121) respectively; the bearing seat box (2) is characterized in that the top wall and the bottom wall of the bearing seat box are respectively provided with a through hole (23) corresponding to the kidney-shaped groove (122), and each through hole (23) is internally provided with a bolt and is connected with the corresponding kidney-shaped groove (122) through the bolt.

5. The device for preventing wheel sideslip for the vehicle test bed according to claim 4, characterized in that: the top wall of the transverse through groove (121) is provided with a vertical threaded through hole, and a positioning adjusting bolt (124) is arranged in the threaded through hole; bearing housing case (2) up end be equipped with hole (21), the drill way of hole (21) has linked firmly apron (22), is equipped with the third through-hole at the middle part of apron (22), the lower extreme of location adjusting bolt (124) passes the third through-hole on apron (22) and is arranged in hole (21), the lower extreme of location adjusting bolt (124) has linked firmly stopper (125).

6. The device for preventing the wheel from sideslip of the vehicle test bed, which is used for the vehicle test bed, according to claim 1, is characterized in that: the flange plate (5) is fixedly connected with the connecting shaft (3) into a whole through bolts, and the end faces of the flange plate (5) adjacent to the wheels are provided with shock absorbing pads (13).