Forklift placing angle positioning device
By using an angle positioning device in the forklift lateral stability test, and utilizing a combination of servo motors and laser emitters, the problem of vehicle placement angle deviation was solved, achieving higher positioning accuracy and load-bearing stability.
Patent Information
- Application Number
- CN202520245283.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-17
AI Technical Summary
In traditional forklift lateral stability tests, the vehicle placement angle deviation is large, leading to a decrease in load-bearing capacity. Furthermore, the visual judgment standards of different testers are inconsistent, resulting in significant bias.
A pair of angle positioning devices are used, which utilize a servo motor to drive a gear system and a laser emitter. An angle sensor detects and adjusts the angle of the laser emitter to ensure accurate vehicle positioning and achieve laser line alignment.
It improves the accuracy of vehicle placement angle in forklift lateral stability tests, reduces human judgment bias, and ensures the stability and consistency of load-bearing capacity.
Smart Images

Figure CN223678832U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of fork truck, especially to the fork truck angle positioning device. BACKGROUND
[0002] The carrying capacity of the fork truck door frame will greatly decrease when it is lifted higher, in order to obtain the actual carrying capacity meeting the stability requirement, the transverse stability test needs to be carried out. The national standard has requirements for the placing angle of the vehicle body on the stability test platform in the test, and the traditional method is to draw a straight line where the front axle center is located on the platform, and then align the front wheel center with the straight line by visual method. However, different test personnel have different judgment standards for whether the alignment is correct, and the visual method has a large deviation. UTILITY MODEL CONTENT
[0003] The utility model aims at solving one of the technical problems in the related art at least to some extent. Therefore, one purpose of the utility model is to provide a fork truck angle positioning device, which solves the problem of large deviation of the placing angle of the transverse stability test vehicle.
[0004] The fork truck angle positioning device provided by the utility model comprises a pair of angle positioning devices, and a stability test platform is arranged between the two angle positioning devices.
[0005] The angle positioning device comprises a base, a support is fixed at the top center of the base, and an angle positioning assembly is fixed to the outer surface of the support.
[0006] Preferably, the angle positioning assembly comprises a rotating support, the rotating support is sleeved on the outer surface of the support, a laser emitter is fixed to the top of one side of the rotating support, an installation support is fixed to the bottom of the rotating support, and an angle sensor and a servo motor are respectively fixed to the left and right ends of the bottom of the installation support.
[0007] Preferably, the bottom of the rotating support is fixed with a first gear, the rotating end of the servo motor is fixed with a second gear meshing with the first gear, the top of the angle sensor is fixed with a rotating shaft penetrating through the installation support, and the outer surface of the rotating shaft is fixed with a third gear meshing with the first gear.
[0008] Preferably, a rotating groove in rotation connection with the support is formed in the top of the rotating support, so that the rotating support can rotate around the support.
[0009] Preferably, a fixed groove fixed with the support is formed in the top of the installation support, so that the installation support can be fixed with the support.
[0010] Preferably, one side of the rotating support is provided with a center line flush with the center line of the laser emitter, for adjusting the mutual alignment of the lasers emitted by the two sets of angle positioning devices.
[0011] The beneficial effects of the utility model are: through the servo motor driving the second gear, the first gear, the rotating support and the laser emitter rotate a certain angle around the support column, and the rotation of the first gear drives the third gear to rotate at the same time, so that the actual rotation angle of the rotating support can be detected through the angle sensor, the rotation of the servo motor is controlled according to the actual rotation angle, and the angle of the laser emitter is to the angle required by the vehicle body to be placed, and the center line is arranged on the rotating support, for adjusting the mutual alignment of the lasers emitted by the two sets of angle positioning devices, thereby solving the problem of large deviation of the placing angle of the transverse stability test vehicle. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 The utility model provides a whole structure schematic view of forklift placing angle positioning device.
[0013] Figure 2 The utility model provides angle positioning device structure schematic view of forklift placing angle positioning device.
[0014] Figure 3 The utility model provides angle positioning assembly structure schematic view of forklift placing angle positioning device.
[0015] Figure 4 The utility model provides angle positioning assembly top split structure schematic view of forklift placing angle positioning device.
[0016] Figure 5 The utility model provides angle positioning assembly bottom split structure schematic view of forklift placing angle positioning device.
[0017] Figure 6 The utility model provides angle positioning assembly top split structure schematic view of forklift placing angle positioning device.
[0018] In the drawing: 1, angle positioning device;2, base;3, support column;4, angle positioning assembly;5, rotating support;6, laser emitter;7, mounting support;8, angle sensor;9, servo motor;10, center line;11, rotation groove;12, first gear;13, second gear;14, third gear;15, fixed groove;16, stability test table. DETAILED DESCRIPTION
[0019] REFERENCE Figures 1-6The forklift angle positioning device 1 comprises a pair of angle positioning devices 1, the angle positioning device 1 is used for carrying out the forklift lateral stability test, and the stability test table 16 is arranged between the two angle positioning devices 1 and is used for placing the vehicle body during the test.
[0020] The angle positioning device 1 comprises a base 2, a support column 3 is welded at the top center of the base 2, an angle positioning assembly 4 is fixed to the outer surface of the support column 3, the base 2 is used for supporting the support column 3 and the angle positioning assembly 4, ensuring the stability of the angle positioning assembly 4 during the detection process, and making the judgment more accurate.
[0021] The angle positioning assembly 4 comprises a rotating support 5 which is composed of an L-shaped plate and a straight plate, the rotating support 5 is sleeved on the outer surface of the support column 3 and is rotationally connected with the support column 3, a laser emitter 6 is threadedly connected to the top of one side of the rotating support 5, the laser emitter 6 can emit a vertical laser, and the laser of the laser emitter 6 is used for positioning the angle of the vehicle placement. The outer surface of the support column 3 is fixed with a mounting bracket 7 located at the bottom of the rotating support 5, an angle sensor 8 and a servo motor 9 are respectively fixed to the left and right ends of the bottom of the mounting bracket 7, the servo motor 9 is fixed on the mounting bracket 7 and can receive a control signal, so that the laser emitter 6 and the rotating support 5 rotate by a certain angle, and the angle sensor 8 is fixed on the mounting bracket 7 and can detect the actual rotation angle of the laser emitter 6 and the rotating support 5, and the servo motor 9 is controlled according to the actual rotation angle.
[0022] The bottom of the rotating support 5 is fixed with a first gear 12, the rotating end of the servo motor 9 penetrates through the mounting bracket 7, the top of the rotating end of the mounting bracket 7 is fixed with a second gear 13 which is engaged with the first gear 12, the top of the angle sensor 8 is fixed with a rotating shaft which penetrates through the mounting bracket 7, the outer surface of the rotating shaft is fixed with a third gear 14 which is engaged with the first gear 12, by starting the servo motor 9, the rotating end of the servo motor 9 drives the second gear 13 fixedly connected therewith to rotate, while the second gear 13 is engaged with the first gear 12, and the position of the second gear 13 is fixedly unchanged, while the rotation of the second gear 13 drives the first gear 12 to rotate around the support column 3, while the rotation of the second gear 13 drives the rotating support 5 to rotate, and the rotation of the rotating support 5 drives the laser emitter 6 to rotate, and the angle of the laser emitter 6 is adjusted to the angle required by the vehicle body placement. At the same time, since the third gear 14 is also engaged with the first gear 12, the first gear 12 drives the third gear 14 engaged therewith to rotate while rotating, at this time, the actual rotation angle of the rotating support 5 and the laser emitter 6 can be detected by the angle sensor 8, and the rotation of the servo motor 9 is controlled according to the actual rotation angle.
[0023] The top of the rotating support 5 is provided with a rotating groove 11 connected with the rotating support 3, and the top of the installing support 7 is provided with a fixed groove 15 fixed with the rotating support 3.
[0024] The rotating support 5 is provided with a center line 10 flush with the center line 10 of the laser emitter 6, for adjusting the mutual alignment of the lasers emitted by the two sets of devices.
[0025] When the device is used, the vehicle body in the test is placed on the stability test platform 16, and one set of angle positioning device 1 is arranged on the front and rear sides of the stability test platform 16, and the long side of the base 2 is aligned with the edge of the stability test platform 16. At this time, the servo motor 9 is started, the rotating end of the servo motor 9 drives the second gear 13 fixedly connected therewith to rotate, the second gear 13 is engaged with the first gear 12, the position of the second gear 13 is fixed, the rotation of the second gear 13 drives the first gear 12 to rotate around the rotating support 3, the rotation of the second gear 13 drives the rotating support 5 to rotate, and the rotation of the rotating support 5 drives the laser emitter 6 to rotate. The angles of the two laser emitters 6 are adjusted to the angles required by the vehicle body, the laser emitters 6 are turned on, and the positions of the angle positioning devices 1 are adjusted in the left and right directions until the two lasers are mutually aligned on the center line 10 arranged above the rotating support 5.
Claims
1. A forklift truck set angle positioning device (1) characterised in that: It includes a pair of angle positioning devices (1), and a stability test table (16) is arranged between the two angle positioning devices (1). The angle positioning device (1) comprises a base (2), a support column (3) is fixed at the top center of the base (2), and an angle positioning assembly (4) is fixed on the outer surface of the support column (3).
2. The forklift tilt angle positioning device (1) according to claim 1, characterized in that: The angle positioning assembly (4) comprises a rotating support (5), the rotating support (5) is sleeved on the outer surface of the support column (3), a laser emitter (6) is fixed on the top of one side of the rotating support (5), an installation support (7) is fixed on the bottom of the rotating support (5), an angle sensor (8) and a servo motor (9) are respectively fixed on the left and right ends of the bottom of the installation support (7).
3. A forklift tilt angle positioning device (1) according to claim 2, characterized in that: The bottom of the rotating support (5) is fixed with a first gear (12), the rotating end of the servo motor (9) is fixed with a second gear (13) engaged with the first gear (12), the top of the angle sensor (8) is fixed with a rotating shaft penetrating through the installation support (7), and the outer surface of the rotating shaft is fixed with a third gear (14) engaged with the first gear (12).
4. The forklift tilt angle positioning device (1) according to claim 2, characterized in that: The top of the rotating support (5) is provided with a rotating groove (11) rotatably connected with the support column (3).
5. The forklift tilt angle positioning device (1) according to claim 2, characterized in that: The top of the installation support (7) is provided with a fixed groove (15) fixed with the support column (3).
6. The forklift tilt angle positioning device (1) according to claim 2, characterized in that: One side of the rotating support (5) is provided with a center line (10) flush with the center line (10) of the laser emitter (6).