Forklift pallet fork parallelism detection device
By installing a bracket for a laser interferometer and an angle reflector on the forklift forks, the problem that existing bubble levels cannot detect the levelness of the forks has been solved, enabling accurate parallelism detection and improving the safety of forklift operation.
Patent Information
- Application Number
- CN202422344703.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-24
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-09-24
AI Technical Summary
Existing spirit levels cannot effectively detect the levelness of forklift forks, leading to safety hazards.
A laser interferometer and an angle reflector are used in conjunction with a bubble level on a bracket. The laser interferometer is used to detect the levelness between the two forks, and the position of the laser interferometer and the angle reflector is adjusted using a clamping mechanism on the bracket to ensure detection accuracy.
It enables accurate parallelism detection of forklift forks, improves operational safety, and avoids safety hazards caused by uneven forks.
Smart Images

Figure CN223525751U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of levelness detection technology, specifically a forklift fork parallelism detection device. Background Technology
[0002] Forklift forks are usually in pairs. If there is a large deviation in the position between the two forks (whether their top surfaces are on the same horizontal plane), it can easily cause excessive stress on a single fork, creating a certain safety hazard. Uneven surfaces of a single fork can also cause the same safety hazard. The existing level with bubble level cannot meet the actual inspection requirements. Therefore, this utility model improves upon it. Utility Model Content
[0003] The technical problem to be solved by this utility model is that the levelness of a single fork and the levelness of two forks affect the safety of forklift operation, and the existing level bubble level cannot meet the actual detection requirements.
[0004] To achieve the above objectives, the technical solution adopted by this utility model is as follows:
[0005] A forklift fork parallelism detection device includes two supports, a spirit level, a laser interferometer, and an angle reflector used in conjunction with the laser interferometer. The supports are tripods, and a spirit level is mounted on each of the supports. The laser interferometer and the angle reflector are respectively mounted on the two supports.
[0006] Furthermore, the bracket includes an equiangular triangular frame, and each end of the equiangular triangular frame is fixedly connected to a mounting sleeve perpendicular to its top. The mounting sleeve is threaded with a locking knob, and a support leg is fixedly connected inside the mounting sleeve via the locking knob. The bottom end of the support leg is conical.
[0007] Furthermore, a fixed clamping seat is fixedly connected to the top of the equiangular triangular frame, and a limiting plate is fixedly connected to the top of the equiangular triangular frame at the position opposite to the fixed clamping seat. A through hole is opened in the middle of the limiting plate, and a clamping rod is slidably connected in the through hole. A clamping ball head is fixedly connected to one end of the clamping rod near the fixed clamping seat, and a return spring is also sleeved on the outer surface of the clamping rod at the position between the fixed clamping seat and the limiting plate.
[0008] Furthermore, a limiting strip is fixedly connected to the outer surface of the clamping rod at the position of its central axis, and the projection surface of the limiting strip is perpendicular to the equiangular triangular frame. A notch adapted to the limiting strip is opened on the outer surface of the limiting plate at the position of the limiting strip.
[0009] Working principle and beneficial effects: by installing a level bubble on the bracket, the levelness of a single fork is detected, and the levelness between the two forks is detected by using the laser interferometer and the angle mirror arranged on the two brackets respectively, which is not affected by the distance between the two forks, and can be used for detecting whether the two forks are on the same horizontal plane. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 The utility model discloses a three-dimensional structure schematic diagram.
[0011] In the drawing: 1, level bubble; 2, equilateral triangle bracket; 3, mounting sleeve; 4, locking knob; 5, supporting leg; 6, fixed clamping seat; 7, limiting plate; 8, compression rod; 9, compression ball head; 10, reset spring; 11, limiting strip. DETAILED DESCRIPTION
[0012] According to the following examples, the utility model can be better understood.
[0013] The structure, proportion, size and the like shown in the drawings of the specification are only used to cooperate with the content disclosed in the specification, for understanding and reading by those skilled in the art, and are not used to limit the limiting conditions of the utility model that can be implemented, so they do not have technical substantive significance, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model. At the same time, the terms such as "upper", "lower", "front", "rear", "intermediate" and the like cited in the specification are only for the convenience of clear understanding of the description, and are not used to limit the scope of the utility model that can be implemented, the change or adjustment of relative relationship, without substantial change of technical content, is also regarded as the scope of the utility model that can be implemented.
[0014] As Figure 1 shown,
[0015] A forklift fork parallelism detection device, including two supports, level bubble 1, laser interferometer and angle mirror used with laser interferometer, support is tripod, each support is equipped with level bubble 1, laser interferometer and angle mirror are separately arranged on two supports, the utility model discloses a level bubble 1 is installed on the support for detecting the levelness of single fork, the levelness between two forks is detected by laser interferometer and angle mirror respectively arranged on two supports, the support includes equilateral triangle gantry 2, equilateral triangle gantry 2 is fixedly connected with the mounting sleeve 3 perpendicular to the top at the position of end, the mounting sleeve 3 is threadedly connected with the locking knob 4, the mounting sleeve 3 is fixedly connected with the support leg 5 through the locking knob 4, the bottom end of the support leg 5 is conical, the levelness of equilateral triangle gantry 2 can be adjusted by adjusting the relative position of support leg 5 and mounting sleeve 3 on the support reference level bubble 1, that is, whether two forks are in the same plane is detected, the support leg 5 of two equilateral triangle gantries 2 is adjusted so that the top of equilateral triangle gantry 2 is in horizontal position, then two supports are adjusted to be in the same straight line, the laser interferometer placed on equilateral triangle gantry 2 emits laser, and the deflection angle of return light of the laser interferometer is judged by the angle mirror, whether two forks are in the same horizontal plane, the detection method is not limited by the distance between forks, in order to facilitate the position of laser interferometer and angle mirror mounted on the support, the clamping mechanism composed of fixed clamping seat 6, limiting plate 7 and pressing rod 8 is arranged, the specific structure is that the top of equilateral triangle gantry 2 is fixedly connected with fixed clamping seat 6, the top of equilateral triangle gantry 2 is fixedly connected with limiting plate 7 at the position opposite to fixed clamping seat 6, a through hole is formed in the middle of limiting plate 7, the pressing rod 8 is slidably connected in the through hole, the pressing ball head 9 is fixedly connected to one end of the pressing rod 8 close to the fixed clamping seat 6, the reset spring 10 is further sleeved on the outer surface of the pressing rod 8 between the fixed clamping seat 6 and the limiting plate 7, in order to facilitate the adjustment that the shaft rod of two supports pressing rod 8 is in the same straight line, and the laser emitted by the laser interferometer coincides with the axis of pressing rod 8, the position of two supports is adjusted to be in the same straight line, the reference limiting strip 11 is increased, the specific structure is that the limiting strip 11 is fixedly connected to the outer surface of the pressing rod 8 at the position of the axis, and the projection plane of limiting strip 11 is perpendicular to equilateral triangle gantry 2, the limiting plate 7 is provided with the notch matched with the position of limiting strip 11 on the outer surface, so as to ensure the accuracy of detection.
Claims
1. A parallelism detection device for forklift forks, comprising two supports, a level bubble (1), a laser interferometer and an angle mirror used in cooperation with the laser interferometer, characterized in that: The support is a tripod, each of which is provided with a horizontal bubble (1), and the laser interferometer and the angle mirror are arranged on two of the supports.
2. The parallelism detection device for the forks of a forklift truck according to claim 1, characterized in that: The support comprises an equilateral triangle stand (2), the top of which is perpendicularly connected with a mounting sleeve (3) at the end, the mounting sleeve (3) is screw-connected with a locking knob (4) at the top, the mounting sleeve (3) is fixedly connected with a supporting leg (5) through the locking knob (4), and the bottom of the supporting leg (5) is conical.
3. The parallelism detection device for the forks of a fork truck according to claim 2, characterized in that: The top of the equilateral triangle stand (2) is fixedly connected with a fixed clamping seat (6), the opposite side of the top of the equilateral triangle stand (2) is fixedly connected with a limiting plate (7), the middle of the limiting plate (7) is provided with a through hole, the through hole is slidingly connected with a pressing rod (8), one end of the pressing rod (8) close to the fixed clamping seat (6) is fixedly connected with a pressing ball head (9), and the outer surface of the pressing rod (8) is further sleeved with a reset spring (10) between the fixed clamping seat (6) and the limiting plate (7).
4. The parallelism detection device for the forks of a fork truck according to claim 3, characterized in that: The outer surface of the pressing rod (8) is fixedly connected with a limiting strip (11) at the position of the axis, the projection surface of the limiting strip (11) is perpendicular to the equilateral triangle stand (2), and the outer surface of the limiting plate (7) is provided with a notch at the position of the limiting strip (11).