A portal guide for a transport robot
By designing a guide groove that is wider at the top and narrower at the bottom and by setting bearings, the problems of difficult lifting and lowering of the fork teeth and high friction were solved, achieving easy lifting and lowering and extending the bearing life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YANTAI JIABEI INTELLIGENT TECH CO LTD
- Filing Date
- 2025-07-10
- Publication Date
- 2026-06-23
AI Technical Summary
The guide slot design of existing handling robots makes it difficult for the fork teeth to rise and fall, resulting in high friction and easy jamming on uneven ground, which affects the strength and lifespan of the equipment.
Design a guide groove that is wider at the top and narrower at the bottom, and set first and second bearings on the connecting frame to change sliding friction to rolling friction, provide floating clearance to adapt to uneven ground, and reduce friction.
It enables easy raising and lowering of the fork teeth, reduces friction, extends bearing life, and improves the stability and durability of the equipment.
Smart Images

Figure CN224394523U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of gantry technology, and in particular to a gantry guide groove for a handling equipment. Background Technology
[0002] A handling robot is an unmanned handling device that is widely used in industrial production and logistics warehousing. It achieves automatic operation through a built-in navigation and control system and can automatically transport goods according to a preset path, which greatly improves production efficiency and reduces the labor intensity of workers.
[0003] A patent application CN119100305A discloses an AGV (Automated Guided Vehicle), a passive forklift method for picking up a zigzag pallet, and an active forklift method for picking up a zigzag pallet. It includes a gantry assembly, but the guide groove in this patent is a straight, vertical rectangular groove. Sliding friction causes the fork teeth to have difficulty rising and falling under significant positive pressure. Furthermore, because the guide groove is a straight, vertical rectangular groove, when the fork teeth rise and contact the goods, the connecting frame within the guide groove lacks a floating gap. Consequently, when the ground is uneven, the fork teeth cannot automatically conform to the ground under the weight of the goods. This causes the weight of the goods to be directly transmitted to the guide groove through the fork teeth, creating a large overturning moment. This exacerbates the friction between the connecting frame and the guide groove, making it easy for the fork teeth to jam during descent. Moreover, the guide groove and connecting frame are subjected to significant stress, affecting their strength and lifespan.
[0004] Therefore, a gantry guide slot for a handling robot is proposed to solve the above problems. Utility Model Content
[0005] In view of the shortcomings of the existing technology, the purpose of this invention is to provide a gantry guide groove for a handling robot to solve the problems existing in the background technology.
[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a gantry guide groove for a handling robot, which includes a gantry, a guide groove provided on the gantry, a connecting frame provided on the guide groove, and a fork tooth connected to the other end of the connecting frame. The guide groove is characterized by being wider at the top and narrower at the bottom. The connecting frame includes a connecting plate movably disposed in the guide groove, and a first bearing and a second bearing are provided on the connecting plate.
[0007] Preferably, a first bearing is provided on each side of the connecting plate, the first bearing is movably disposed in the guide groove, and the axis of the first bearing is perpendicular to the guide groove.
[0008] Preferably, the connecting plate is provided with a plurality of second bearings, the second bearings being movably disposed within the guide groove, and the axis of the second bearings being parallel to the guide groove surface.
[0009] The beneficial effects of this utility model are:
[0010] 1. By setting a bearing in the guide groove, sliding friction is changed to rolling friction, which reduces the friction force and allows the fork teeth to rise and fall easily even when subjected to a large normal force.
[0011] 2. By setting the guide groove to be wider at the top and narrower at the bottom, when the fork tines rise and contact the goods, the connecting frame inside the guide groove has a floating gap. Thus, when the ground is uneven, the fork tines can automatically conform to the ground under the action of the weight of the goods, thereby avoiding the fork tines squeezing the guide groove, and thus avoiding the first bearing on the connecting frame bearing the positive pressure brought by the weight of the goods, thereby improving the bearing life. Attached Figure Description
[0012] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:
[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model.
[0014] Figure 2 This is a schematic diagram showing the connection relationship between the connecting frame and the gantry of this utility model.
[0015] Figure 3 This is a schematic diagram of the connecting frame structure of this utility model.
[0016] Figure 4 This is a front view structural diagram of the guide groove of this utility model.
[0017] Explanation of reference numerals in the attached figures:
[0018] 1. Gantry; 2. Guide groove; 3. Connecting frame; 4. Fork tooth; 5. Connecting plate; 6. First bearing; 7. Second bearing. Detailed Implementation
[0019] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.
[0020] Reference Figures 1 to 4 In one embodiment of this utility model, a gantry guide groove for a handling robot is provided. The gantry guide groove of this handling robot includes a gantry 1, a guide groove 2 is provided on the gantry 1, a connecting frame 3 is provided on the guide groove 2, and a fork tooth 4 is connected to the other end of the connecting frame 3. The connecting frame 3 includes a connecting plate 5 movably disposed in the guide groove 2, and a first bearing 6 and a second bearing 7 are provided on the connecting plate 5.
[0021] Specifically, in this embodiment, the gantry 1 is provided with a guide groove 2, and a vertically moving connecting frame 3 is provided in the guide groove 2. The other end of the connecting frame 3 is connected to a fork tooth 4, and the fork tooth 4 is provided with a telescopic structure that drives the connecting frame 3 to rise and fall.
[0022] Specifically, in this embodiment, the guide groove 2 is a groove that is wider at the top and narrower at the bottom. When the fork 4 rises and contacts the cargo, the connecting frame 3 in the guide groove 2 has a floating gap. Therefore, when the ground is uneven, the fork 4 can automatically conform to the ground under the action of the cargo's weight, thereby avoiding the fork 4 squeezing the guide groove 2, and thus avoiding the positive pressure on the first bearing 6 on the connecting frame 3 caused by the weight of the cargo, thus improving the bearing's lifespan.
[0023] Specifically, in this embodiment, the connecting frame 3 includes a connecting plate 5, on which a rotatable first bearing 6 and a second bearing 7 are provided. There are two first bearings 6, which are respectively located at two opposite corners on one side of the connecting plate 5. The axis of the first bearing 6 is perpendicular to the guide groove 2. The first bearing 6 slides in the guide groove 2, changing sliding friction into rolling friction, which reduces the frictional resistance of the connecting frame 3 in the guide groove 2, thereby making it easier for the fork tooth 4 to rise and fall.
[0024] Specifically, in this embodiment, there are multiple second bearings 7, which are evenly arranged on the front and back sides of the connecting plate 5. The second bearings 7 are movably disposed in the guide groove 2, and the axis of the second bearing 7 is parallel to the surface of the guide groove 2. The second bearing 7 slides in this surface, changing sliding friction into rolling friction, which reduces the frictional resistance of the connecting frame 3 in the gantry 1, thereby making it easier for the fork tooth 4 to rise and fall.
[0025] During use, when the fork 4 carrying the goods moves up and down along the guide groove 2 on the mast 1, the first bearing 6 and the second bearing 7 on the connecting frame 3 connected to the fork 4 roll in the guide groove 2, making it easier for the fork 4 to move up and down. When the fork 4 rises and contacts the goods, there is a floating gap in the connecting frame 3 in the guide groove 2. When the ground is uneven, the fork 4 can automatically conform to the ground under the action of the weight of the goods, thus avoiding the fork 4 from squeezing the guide groove 2 and avoiding the first bearing 6 on the connecting frame 3 from bearing the positive pressure brought by the weight of the goods, thereby improving the bearing life.
[0026] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.
Claims
1. A gantry guide groove for a handling robot, comprising a gantry (1) on which a guide groove (2) is provided, characterized in that: A connecting frame (3) is provided on the guide groove (2), and a fork tooth (4) is connected to the other end of the connecting frame (3). The guide groove (2) is characterized by being wider at the top and narrower at the bottom. The connecting frame (3) includes a connecting plate (5) movably disposed in the guide groove (2). A first bearing (6) and a second bearing (7) are provided on the connecting plate (5).
2. The gantry guide groove of a handling robot according to claim 1, characterized in that: The connecting plate (5) is provided with a first bearing (6) on each side. The first bearing (6) is movably disposed in the guide groove (2). The axis of the first bearing (6) is perpendicular to the guide groove (2).
3. The gantry guide groove of a handling robot according to claim 1, characterized in that: The connecting plate (5) is provided with a plurality of second bearings (7), which are movably disposed in the guide groove (2), and the axis of the second bearings (7) is parallel to the surface of the guide groove (2).