A new steering load testing device

Abstract

The present invention discloses a novel steering load testing device, comprising a vehicle body, a testing mechanism mounted on the wheels of the vehicle body, the testing mechanism comprising a rotating drum stand, a slewing support fixing mechanism, and a power mechanism, the rotating drum stand having mounting holes disposed therein and connected to the power mechanism, the rotating drum stand having a slewing support bearing disposed thereon and having a fixed-end bearing connecting screw disposed therein. The power mechanism of the present invention comprises a motor, the power output end of the motor being provided with a planetary reducer, the power output end of the planetary reducer being provided with a drive gear, the drive gear being meshed with the external teeth of the slewing support bearing, and when the vehicle turns, the rotational torque of the slewing bearing outer ring gear on the slewing support fixing mechanism is transmitted to the drive gear, the torque is measured by a torque sensor, and the steering angle is measured by a servo motor.

Description

Technical Field

[0001] The present invention relates to the technical field of load testing devices, and more particularly to a novel steering load testing device. Background Art

[0002] Actual vehicle testing can not only be used to verify the performance of the entire vehicle and related components, but also to verify whether the vehicle has achieved its original design goals. In the vehicle steering system test, the torque sensor is used to detect the size and direction of the torque or angle generated by the steering wheel when the driver is steering, and the required information is converted into a digital signal input into the control unit. The control unit then calculates these signals to obtain a torque that is suitable for the driving conditions, and finally issues a command to drive the motor to work.

[0003] The existing automobile testing devices are generally complex in structure and difficult to move and install during testing, resulting in low testing efficiency and low testing accuracy, which cannot meet the needs of actual vehicle testing. Therefore, a new technical solution is needed to solve this problem. Summary of the Invention

[0004] The purpose of the present invention is to provide a new steering load testing device, which solves the problem that the existing automobile testing devices are generally complex in structure, inconvenient to move and install during testing, resulting in low testing efficiency and low testing accuracy, and cannot meet the needs of actual vehicle testing.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a novel steering load testing device, comprising a vehicle body, a testing mechanism installed at the wheel of the vehicle body, the testing mechanism comprising a rotating drum stand, a slewing support fixing mechanism and a power mechanism, the interior of the rotating drum stand is provided with a mounting hole and the mounting hole is connected to the power mechanism, the surface of the rotating drum stand is provided with a slewing support bearing and the interior is provided with a fixed end bearing connecting screw, the slewing support bearing is fixedly connected to the rotating drum stand through the fixed end bearing connecting screw, the slewing support bearing is fixedly connected to the rotating drum stand by the fixed end bearing connecting screw, A slewing support fixing mechanism is provided on the upper part, and the slewing fixed support fixing mechanism includes a connecting plate, a fixing frame is provided on the surface of the connecting plate, and a locking link is provided on the inner side of the fixing frame, a fixing seat is provided on the surface of the connecting plate, and connecting arms are provided on both sides of the fixing seat, a follower roller is provided on the side of the connecting arm, and a locking electric cylinder is provided on the side of the follower roller, the power mechanism includes a motor, and a planetary reducer is provided at the power output end of the motor, and a driving gear is provided at the power output end of the planetary reducer, and the driving gear is meshed with the external teeth of the slewing support bearing.

[0006] As a preferred embodiment of the present invention, a slewing end bearing connecting screw is provided inside the slewing support bearing, and the connecting plate is connected to the slewing support bearing through the slewing end bearing connecting screw.

[0007] As a preferred embodiment of the present invention, the fixing seat, connecting arm, follower roller, locking electric cylinder, fixing bracket and locking connecting rod are all symmetrically distributed.

[0008] As a preferred embodiment of the present invention, a torque sensor is provided at the upper end of the planetary reducer and a fixing screw is provided inside the torque sensor.

[0009] As a preferred embodiment of the present invention, a plurality of connection holes are provided inside the rotating drum stand.

[0010] As a preferred embodiment of the present invention, fixing bolts are provided inside the connecting plate.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] The present invention installs a test mechanism at the wheel of the vehicle body, and the test mechanism includes a drum stand, a slewing support fixing mechanism and a power mechanism. A mounting hole is provided inside the drum stand and is connected to the power mechanism. A slewing support bearing is provided on the surface of the drum stand and a fixed end bearing connecting screw is provided inside the slewing support bearing. The slewing support bearing is fixedly connected to the drum stand through the fixed end bearing connecting screw. A slewing support fixing mechanism is provided on the upper part of the slewing support bearing and the slewing fixed support fixing mechanism includes a connecting plate, a fixing frame is provided on the surface of the connecting plate and a locking link is provided on the inner side of the fixing frame, a fixing seat is provided on the surface of the connecting plate and connecting arms are provided on both sides of the fixing seat, and a follower roller is provided on the side of the connecting arm. The wheels and the side faces of the follower rollers are provided with locking electric cylinders. After the vehicle is placed on the drum stand, the connecting plates on both sides are adjusted to the appropriate distance between the wheels, and then the fixing bolts are tightened and the locking connecting rods are locked to form a lower end fixing ring. At the same time, the front and rear two locking electric cylinders are locked to ensure that the four follower rollers follow the wheels after fitting together, and play a role in fixing the vehicle. The power mechanism includes a motor and a planetary reducer is provided at the power output end of the motor. The power output end of the planetary reducer is provided with a driving gear and the driving gear is meshed with the external teeth of the slewing support bearing. When the vehicle turns, the rotational torque of the outer gear ring of the slewing bearing on the slewing support fixing mechanism is transmitted to the driving gear. The torque sensor tests the torque size, and the servo motor tests the steering angle size. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0014] Figure 2Schematic diagram of the test mechanism structure of the present invention;

[0015] Figure 3 This is a structural diagram of the drum stand of the present invention;

[0016] Figure 4 This is a schematic structural diagram of the locking mechanism of the present invention;

[0017] Figure 5 It is a schematic flow chart of the power mechanism of the present invention.

[0018] In the figure: 1. Vehicle body; 2. Test mechanism; 3. Drum stand; 4. Slewing support fixing mechanism; 5. Power mechanism; 6. Mounting hole; 7. Connecting hole; 8. Slewing support bearing; 9. Slewing end bearing connecting screw; 10. Fixed end bearing connecting screw; 11. Connecting plate; 12. Fixing bolt; 13. Fixing frame; 14. Locking link; 15. Fixing seat; 16. Connecting arm; 17. Follower roller; 18. Locking electric cylinder; 19. Motor; 20. Planetary reducer; 21. Torque sensor; 22. Fixing screw; 23. Drive gear. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1-5The present invention provides a technical solution: a new steering load test device, comprising a vehicle body 1, a test mechanism 2 installed at the wheel of the vehicle body 1, the test mechanism 2 including a drum stand 3, a slewing support fixing mechanism 4 and a power mechanism 5, the interior of the drum stand 3 is provided with a mounting hole 6 and the mounting hole 6 is connected to the power mechanism 5, the surface of the drum stand 3 is provided with a slewing support bearing 8 and the interior is provided with a fixed end bearing connecting screw 10, the slewing support bearing is fixedly connected to the drum stand 3 through the fixed end bearing connecting screw 10, the upper part of the slewing support bearing 8 is provided with a slewing support fixing mechanism 4 and the slewing fixed support fixing mechanism includes a connecting plate 11, the surface of the connecting plate 11 is provided with a slewing support fixing mechanism 4. There is a fixing frame 13 and a locking link 14 is provided on the inner side of the fixing frame 13, a fixing seat 15 is provided on the surface of the connecting plate 11 and connecting arms 16 are provided on both sides of the fixing seat 15, a follower roller 17 is provided on the side of the connecting arm 16 and a locking electric cylinder 18 is provided on the side of the follower roller 17, the power mechanism 5 includes a motor 19 and a planetary reducer 20 is provided at the power output end of the motor 19, a drive gear 23 is provided at the power output end of the planetary reducer 20 and the drive gear 23 is meshed with the external teeth of the slewing support bearing 8, a test mechanism 2 is installed at the wheel of the vehicle body 1, the test mechanism 2 includes a drum stand 3, a slewing support fixing mechanism 4 and a power mechanism 5, and the interior of the drum stand 3 is provided with a mounting Hole 6 and the mounting hole 6 is connected to the power mechanism 5, a slewing support bearing 8 is provided on the surface of the drum stand 3, and a fixed end bearing connecting screw 10 is provided inside the slewing support bearing 8, and the slewing support bearing is fixedly connected to the drum stand 3 through the fixed end bearing connecting screw 10, and a slewing support fixing mechanism 4 is provided on the upper part of the slewing support bearing 8, and the slewing fixed support fixing mechanism includes a connecting plate 11, a fixing frame 13 is provided on the surface of the connecting plate 11, and a locking link 14 is provided on the inner side of the fixing frame 13, a fixing seat 15 is provided on the surface of the connecting plate 11, and connecting arms 16 are provided on both sides of the fixing seat 15, and a follower roller 17 is provided on the side of the connecting arm 16, and a locking electric cylinder 18 is provided on the side of the follower roller 17. When the vehicle is placed on the drum After adjusting the distance between the connecting plates 11 on both sides and the wheels to the appropriate distance on the stand 3, tighten the fixing bolts 12 and lock the locking link 14 to form a lower end fixing ring. At the same time, lock the front and rear locking cylinders 18 to ensure that the four follower rollers 17 follow the wheels after fitting and moving, and play a role in fixing the vehicle. The power mechanism 5 includes a motor 19 and a planetary reducer 20 is provided at the power output end of the motor 19. The power output end of the planetary reducer 20 is provided with a drive gear 23 and the drive gear 23 is meshed with the external teeth of the slewing support bearing 8. When the vehicle turns, the rotational torque of the slewing bearing outer ring gear on the slewing support fixing mechanism 4 is transmitted to the drive gear 23, the torque sensor 21 tests the torque size, and the servo motor 19 tests the steering angle size.

[0021] Further improvements, such as Figure 3 As shown: a slewing end bearing connecting screw 9 is provided inside the slewing support bearing 8 and the connecting plate 11 is connected to the slewing support bearing through the slewing end bearing connecting screw 9. This arrangement facilitates the fixation of the slewing support bearing and the connecting plate 11.

[0022] Further improvements, such as Figure 4 As shown, the fixing seat 15, connecting arm 16, follower roller 17, locking electric cylinder 18, fixing frame 13 and locking connecting rod 14 are all symmetrically distributed, and this arrangement ensures uniform force.

[0023] Further improvements, such as Figure 5 As shown, a torque sensor 21 is provided at the upper end of the planetary reducer 20 and a fixing screw 22 is provided inside the torque sensor 21. This arrangement facilitates fixing the torque sensor 21.

[0024] Further improvements, such as Figure 3 As shown: the interior of the drum stand 3 is provided with several groups of connecting holes 7, which is convenient for installation.

[0025] Further improvements, such as Figure 4 As shown, the interior of the connecting plate 11 is provided with fixing bolts 12, and this arrangement ensures the stability of the installation.

[0026] Working principle: A test mechanism 2 is installed at the wheel of the vehicle body 1. The test mechanism 2 includes a drum stand 3, a slewing support fixing mechanism 4 and a power mechanism 5. A mounting hole 6 is provided inside the drum stand 3 and the mounting hole 6 is connected to the power mechanism 5. A slewing support bearing 8 is provided on the surface of the drum stand 3 and a fixed end bearing connecting screw 10 is provided inside the drum stand 3. The slewing support bearing is fixedly connected to the drum stand 3 through the fixed end bearing connecting screw 10. A slewing support fixing mechanism 4 is provided on the upper part of the slewing support bearing 8, and the slewing fixed support fixing mechanism includes a connecting plate 11, a fixing frame 13 is provided on the surface of the connecting plate 11, and a locking link 14 is provided on the inner side of the fixing frame 13, a fixing seat 15 is provided on the surface of the connecting plate 11, and connecting arms 16 are provided on both sides of the fixing seat 15, and the sides of the connecting arm 16 are provided with a following The sides of the moving roller 17 and the follower roller 17 are provided with locking electric cylinders 18. After the vehicle is placed on the drum stand 3, the connecting plates 11 on both sides are adjusted to the appropriate distance between the wheels, and then the fixing bolts 12 are tightened and the locking link 14 is locked to form a lower end fixing ring. At the same time, the front and rear locking electric cylinders 18 are locked to ensure that the four follower rollers 17 follow the wheels after fitting and moving, and play a role in fixing the vehicle. The power mechanism 5 includes a motor 19 and a planetary reducer 20 is provided at the power output end of the motor 19. The power output end of the planetary reducer 20 is provided with a drive gear 23 and the drive gear 23 is meshed with the external teeth of the slewing support bearing 8. When the vehicle turns, the rotational torque of the slewing bearing outer ring gear on the slewing support fixing mechanism 4 is transmitted to the drive gear 23, the torque sensor 21 tests the torque size, and the servo motor 19 tests the steering angle size.

[0027] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, from all perspectives, the embodiments should be regarded as illustrative and non-restrictive. The scope of the present invention is defined by the appended claims, not the foregoing description, and it is intended that all variations that come within the meaning and range of equivalents of the claims be included within the present invention. Any reference signs in the claims should not be construed as limiting the claim to which they relate.

[0028] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which can be mechanical connection or electrical connection, or internal communication between two components, or direct connection. "Up", "down", "left", "right", etc. are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may change.

[0029] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A new steering load testing device, characterized by: The invention comprises a vehicle body (1), a test mechanism (2) is installed at the wheel of the vehicle body (1), the test mechanism (2) comprises a rotating drum stand (3), a slewing support fixing mechanism (4) and a power mechanism (5), a mounting hole (6) is provided inside the rotating drum stand (3), and the mounting hole (6) is connected to the power mechanism (5), a slewing support bearing (8) is provided on the surface of the rotating drum stand (3), a fixed end bearing connecting screw (10) is provided inside the rotating drum stand (3), the slewing support bearing is fixedly connected to the rotating drum stand (3) through the fixed end bearing connecting screw (10), a slewing support fixing mechanism (4) is provided on the upper part of the slewing support bearing (8), and the slewing fixed support fixing mechanism comprises a connecting plate ( 11), a fixing frame (13) is provided on the surface of the connecting plate (11), and a locking link (14) is provided on the inner side of the fixing frame (13), a fixing seat (15) is provided on the surface of the connecting plate (11), and connecting arms (16) are provided on both sides of the fixing seat (15), a follower roller (17) is provided on the side of the connecting arm (16), and a locking electric cylinder (18) is provided on the side of the follower roller (17), the power mechanism (5) includes a motor (19), and a planetary reducer (20) is provided at the power output end of the motor (19), and a driving gear (23) is provided at the power output end of the planetary reducer (20), and the driving gear (23) is meshed with the external teeth of the slewing support bearing (8); A slewing end bearing connecting screw (9) is provided inside the slewing support bearing (8), and the connecting plate (11) is connected to the slewing support bearing via the slewing end bearing connecting screw (9); the fixing seat (15), the connecting arm (16), the follower roller (17), the locking electric cylinder (18), the fixing frame (13) and the locking connecting rod (14) are all symmetrically distributed.

2. A novel steering load testing device according to claim 1, characterized in that: A torque sensor (21) is provided at the upper end of the planetary reducer (20), and a fixing screw (22) is provided inside the torque sensor (21).

3. A novel steering load testing device according to claim 1, characterized in that: Several groups of connection holes (7) are provided inside the rotating drum stand (3).

4. A novel steering load testing device according to claim 1, characterized in that: A fixing bolt (12) is provided inside the connecting plate (11).

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