CN-224202751-U - Auxiliary aiming tool for universal impactor for protecting pedestrians in automobile

Abstract

The utility model relates to the technical field of pedestrian protection impact test equipment, in particular to an auxiliary aiming tool for an automobile pedestrian protection universal impactor, which comprises a main body, wherein mounting grooves are formed in the left side and the right side of the main body and are used for being mounted on two groups of guide rails at the transmitting end of the impact equipment; the center of main part is provided with laser indicator and is used for fixing the clamp piece of laser indicator, and when main part is installed on the guide rail, the coaxial contour of center of laser indicator and transmitting end. The utility model can solve the technical problems that the existing impact equipment has offset errors and the operation flow is complex and time-consuming during the alignment operation.

Inventors

• LIU GUO
• YU HAILONG
• XU WEITAO
• LUO ZEYONG
• HUANG SHUN
• CAI XIAODI
• LIN HAI
• PENG XIAOBO

Assignees

• 中国汽车工程研究院股份有限公司

Dates

Publication Date

20260505

Application Date

20250521

Claims (7)

1. 1. The auxiliary aiming tool for the universal impactor for protecting the pedestrians of the automobiles is characterized by comprising a main body, wherein mounting grooves are formed in the left side and the right side of the main body and are used for being mounted on two groups of guide rails of an emitting end of impact equipment, a laser indicator and a clamping piece used for fixing the laser indicator are arranged in the center of the main body, and when the main body is mounted on the guide rails, the laser indicator and the center of the emitting end are coaxial and have the same height.
2. 2. The auxiliary aiming tool for the automotive pedestrian protection universal impactor is characterized in that a through hole in the horizontal direction is formed in the center of the main body, a threaded hole in the vertical direction is formed in the top of the main body, the bottom of the threaded hole is communicated with the through hole, the clamping piece is a locking bolt matched with the threaded hole, and the laser indicator is arranged in the through hole and is fixed through the locking bolt.
3. 3. The auxiliary aiming tool for the universal impactor for protecting pedestrians in automobiles is characterized in that a magnetic component is further arranged in the mounting groove.
4. 4. The auxiliary aiming tool for the automotive pedestrian protection universal impactor disclosed in any one of claims 1-3 is characterized in that a semicircular positioning groove is further formed in one side, close to the mounting groove, of the main body.
5. 5. The auxiliary aiming tool for the universal impactor for protecting pedestrians in automobiles according to claim 4 is characterized in that fine adjusting bolts are arranged on the upper wall and the lower wall of the positioning groove, and the two groups of fine adjusting bolts are oppositely arranged.
6. 6. The tool as set forth in claim 5, wherein the body has a reduced width in a region between the center and the mounting slot.
7. 7. The auxiliary aiming tool for the universal impactor for protecting pedestrians in automobiles according to claim 6, wherein the main body is further provided with a lightening hole.

Description

Auxiliary aiming tool for universal impactor for protecting pedestrians in automobile Technical Field The utility model relates to the technical field of pedestrian protection impact test equipment, in particular to an auxiliary aiming tool for a universal impactor for protecting pedestrians of automobiles. Background The automobile pedestrian protection test is a key technical link in the field of road traffic safety, and is characterized in that the degree of injury possibly suffered by pedestrians in traffic accidents is quantitatively analyzed by simulating the collision scene of the pedestrians and the front structure of the vehicle, so that data support is provided for passive safety design of the vehicle. The test simulates the body part of a pedestrian through a standardized impactor, and requires that the device can accurately control the emitting direction, the speed and the striking position of the impactor so as to ensure the reliability and the repeatability of the test result. Therefore, before impact test, the center of the transmitting end of the device needs to be precisely aligned with the impact target point, however, the traditional device commonly adopts a bias type laser indicating device, such as a general impact test system (UITS) used by my department, and the device has the following technical problems in use: 1. The offset error accumulation exists, as shown in fig. 1, the laser indicator 3 in the device can only be arranged at a non-central position of the transmitting end 101 of the device due to the limitation of the front end impact structure, so that Y-direction offset and Z-direction offset exist between the laser indicating point (P1) and the center (P point) of the transmitting end of the device. 2. The operation flow is complex and time-consuming, the existing alignment process needs to be completed in two steps, namely, the laser is used for primary positioning and then the offset is used for secondary adjustment, and the process reduces the test efficiency and increases the misoperation risk. Disclosure of utility model The utility model provides an auxiliary aiming tool for an automobile pedestrian protection universal impactor, which can solve the technical problems that the existing impact equipment has offset errors in alignment operation and the operation flow is complex and time-consuming. The application provides the following technical scheme: The utility model provides a general impacter auxiliary sighting frock of car pedestrian protection, includes the main part, and the left and right sides of main part is provided with the mounting groove, and the mounting groove is used for installing on two sets of guide rails of impact equipment transmitting end, and the center of main part is provided with laser indicator and is used for fixing the clamp piece of laser indicator, and when the main part was installed on the guide rail, the coaxial equal altitude in the center of laser indicator and transmitting end. The beneficial effects are that: 1. the laser pointer is integrated in the center of the main body, the laser beam and the center of the transmitting end are ensured to be coaxial and have the same height (namely, the geometric center is completely overlapped) after the fixture is installed through the installation groove, at the moment, the falling point of a laser spot is the actual position of the center of the transmitting end, the offset or secondary adjustment is not required to be calculated, and the positioning error of the traditional offset laser is radically eliminated. 2. The application simplifies the operation flow and greatly improves the test efficiency, when in use, an operator only needs to quickly install the tool on the guide rail through the installation groove, then the mobile device directly aligns the laser spot with the target point, thus the accurate positioning of the center of the transmitting end can be completed, the operation steps are simplified from two-step adjustment to one-step alignment, and the offset calculation and secondary movement links are omitted. Further, the center of main part is provided with the through-hole of horizontal direction, and the top of main part is provided with the screw hole of vertical direction, and the bottom and the through-hole intercommunication of screw hole, clamping piece be with screw hole complex lock bolt, laser indicator sets up in the through-hole and is fixed through the lock bolt. The laser indicator has the beneficial effects of being convenient for quick disassembly and assembly and fixing. Further, a magnetic component is arranged in the mounting groove. The magnetic assembly has the beneficial effects that the magnetic assembly is convenient for rapidly disassembling the main body on one hand, and on the other hand, the stability after installation can be improved, and the main body is prevented from slightly shifting in the process of moving and aligning the target point by t