Gantry lifting mechanism with self-locking function
By using worm gear reducer transmission and automatic sliding frame set in the gantry lifting mechanism, the free fall problem caused by power outage or overload is solved, and the self-locking function and flexible multi-directional movement are realized, which improves safety and efficiency.
Patent Information
- Application Number
- CN202422171124.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-04
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2034-09-04
AI Technical Summary
The existing gantry cantilever structure is prone to free fall of the lifting mechanism due to power outage or excessive load during the lifting process, resulting in safety problems such as damage to the workpiece and mechanism.
The worm gear reducer is used to drive, combined with the automatic sliding frame group and the self-locking lifting gripper group, to realize the self-locking function of the mechanism when power is cut off or overloaded, ensuring that the mechanism stops operating.
It improves the safety and reliability of the organization, avoids the phenomenon of free fall, realizes the flexibility and efficient transportation of multi-directional movement, and has a wide range of applications.
Smart Images

Figure CN223117964U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gantry lifting mechanisms, and particularly to a gantry lifting mechanism with self-locking. Background Art
[0002] Plates, especially glass, are widely used in fields such as construction and automobiles. Glass plates generally need to go through processes such as original sheet forming, original sheet picking, cutting, edge grinding and chamfering, tempering, printing, cleaning, and inspection during production and processing.
[0003] Among them, after each processing operation is completed, the operating mechanism needs to transfer the glass. Existing operating mechanisms have a gantry cantilever structure and can automatically load, transfer, and unload materials.
[0004] However, for the above-mentioned gantry cantilever structure, planetary or bevel gear transmission is generally used. Although the transmission efficiency is high, when used in lifting situations, problems such as power failure, motor brake failure, or overloading may cause the lifting mechanism to free fall during operation, damaging workpieces, and even causing damage to the mechanism itself and other safety issues. Summary of the Utility Model
[0005] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a gantry lifting mechanism with self-locking, which has a simple structure, automated operation, flexible use, and a self-locking function, avoiding the phenomenon of free fall due to reasons such as overloading or power failure, and is safe and reliable.
[0006] The invention purpose of the utility model is realized as follows: A gantry lifting mechanism with self-locking includes a frame and a lifting combination device. The lifting combination device includes an automatic sliding frame group and a self-locking lifting gripper group. The automatic sliding frame group includes a left-right sliding frame, a front-back sliding frame, a left-right movement driving motor, and a front-back movement driving motor. The self-locking lifting gripper group includes a gripper connecting part and a worm and worm gear reducer. The left-right sliding frame is slidably connected to the frame left and right. The left-right movement driving motor is installed on the left-right sliding frame and its output shaft is meshed and connected to the frame. The front-back sliding frame is slidably connected to the left-right sliding frame. The front-back movement driving motor is installed on the front-back sliding frame and its output shaft is meshed and connected to the left-right sliding frame. The gripper connecting part is slidably connected to the front-back sliding frame up and down. The output shaft of the worm and worm gear reducer is meshed and connected to the gripper connecting part.
[0007] According to the above, for optimization, left and right guide rails for the left-right movement of the left-right sliding frame are provided at both ends of the top of the frame. Rolling wheels are respectively installed at both ends of the left-right sliding frame. The rolling wheels are distributed on both sides of the left and right guide rails and are in rolling connection with the left and right guide rails.
[0008] Optimized according to the above, the left - right sliding frame is provided with an installation bracket and an auxiliary bracket. The left - right movement driving motor is installed on the installation bracket. A transmission rod is provided on the output shaft of the left - right movement driving motor. The auxiliary bracket is installed with a rotating bearing for rotatably connecting with the transmission rod. Left - right connecting gears are respectively provided at both ends of the transmission rod. The machine frame is provided with left - right connecting racks for meshing connection with the left - right connecting gears.
[0009] Optimized according to the above, the upper end of the left - right sliding frame is provided with front - rear guide rails for facilitating the front - rear movement of the front - rear sliding frame. The bottom surface of the front - rear sliding frame is installed with front - rear guide blocks for sliding connection with the front - rear guide rails.
[0010] Optimized according to the above, the inner sides of the left - right sliding frame are respectively provided with front - rear connecting racks. The front - rear movement driving motor is installed on the front - rear sliding frame and its output shaft is installed with front - rear connecting gears for meshing connection with the front - rear connecting racks.
[0011] Optimized according to the above, the front - rear sliding frame is provided with a guide support frame. At least two upper - lower guide rails for the up - down sliding of the gripper connecting part are respectively provided on both inner sides of the guide support frame. At least two upper - lower guide blocks for sliding connection with the upper - lower guide rails are respectively provided on both left - right sides of the gripper connecting part.
[0012] Optimized according to the above, one side of the gripper connecting part is installed with an upper - lower connecting rack. The worm - gear speed reducer is installed on the front - rear sliding frame and its output shaft is installed with an upper - lower connecting gear for meshing connection with the upper - lower connecting rack.
[0013] The advantages of the present utility model are as follows:
[0014] 1) Through the gantry lifting mechanism with self - locking of this structure, the worm - gear speed reducer is used for transmission. Only by providing power can the gripper connecting part move, enabling the lifting mechanism to have a self - locking function. In the case of power failure, over - load, etc., the mechanism will automatically stop running, and the phenomenon of free fall of the gripper connecting part will not occur, improving the safety and reliability of the lifting mechanism.
[0015] 2) Combined with the structure of the automatic sliding frame group, the self - locking lifting gripper group can realize multi - directional movement in the left - right, front - rear, and up - down directions, facilitating the transfer of workpieces at any position, with high efficiency, flexible use, and wide application range. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic structural diagram of a preferred embodiment of the present utility model.
[0017] Figure 2 It is a front view of a preferred embodiment of the present utility model.
[0018] Figure 3It is the right view of the preferred embodiment of the present utility model.
[0019] Figure 4 It is the top view of the preferred embodiment of the present utility model.
[0020] Figure 5 It is the sectional view of the preferred embodiment of the present utility model. Specific embodiments
[0021] The present utility model will be further described below with reference to the accompanying drawings.
[0022] According to the attached Figures 1 to 5 As shown, the gantry lifting mechanism with self-locking of the present utility model includes a frame 1 and a lifting assembly. The lifting assembly includes an automatic sliding frame group and a self-locking lifting gripper group. The automatic sliding frame group includes a left and right sliding frame 2, a front and rear sliding frame 3, a left and right moving drive motor 4, and a front and rear moving drive motor 5. The self-locking lifting gripper group includes a gripper connecting portion 6 and a worm and worm gear reducer 7. The left and right sliding frame 2 is slidably connected to the frame 1 left and right. The left and right moving drive motor 4 is installed on the left and right sliding frame 2 and its output shaft is meshed and connected to the frame 1. The front and rear sliding frame 3 is slidably connected to the left and right sliding frame 2. The front and rear moving drive motor 5 is installed on the front and rear sliding frame 3 and its output shaft is meshed and connected to the left and right sliding frame 2. The gripper connecting portion 6 is slidably connected to the front and rear sliding frame 3 up and down. The output shaft of the worm and worm gear reducer 7 is meshed and connected to the gripper connecting portion 6.
[0023] The gantry lifting mechanism of this structure uses a worm and worm gear reducer 7 for transmission. Only by providing power can the gripper connecting portion 6 move, enabling the lifting mechanism to have a self-locking function. In the case of power failure, overload, etc., the mechanism will automatically stop running, and the phenomenon of free fall of the gripper connecting portion 6 will not occur, improving the safety and reliability of the lifting mechanism.
[0024] During this period, combined with the structure of the automatic sliding frame group, the self-locking lifting gripper group can move in multiple directions of left and right, front and rear, and up and down, facilitating the transfer of workpieces at any position, with high efficiency, flexible use, and wide application range.
[0025] Refer to Figures 1 to 5 As shown, for further refinement, both ends of the top of the frame 1 are provided with left and right guide rails 8 for the left and right movement of the left and right sliding frame 2. Rolling wheels 9 are respectively installed at both ends of the left and right sliding frame 2. The rolling wheels 9 are distributed on both sides of the left and right guide rails 8 and are in rolling connection with the left and right guide rails 8.
[0026] With the structural cooperation of the left and right guide rails 8 and the rolling wheels 9, the left and right sliding frame 2 slides smoothly and stably, and can quickly achieve left and right movement, improving the operating efficiency of the structure.
[0027] Moreover, the left and right sliding frame 2 is provided with a mounting bracket 10 and an auxiliary bracket 11. The left and right moving drive motor 4 is installed on the mounting bracket 10. A transmission rod 12 is provided on the output shaft of the left and right moving drive motor 4. The auxiliary bracket 11 is installed with a rotating bearing for rotatably connecting with the transmission rod 12. Left and right connecting gears 13 are respectively provided at both ends of the transmission rod 12. The frame 1 is provided with left and right connecting racks 14 for meshing connection with the left and right connecting gears 13.
[0028] Through the structural cooperation of the left and right moving drive motor 4, the transmission rod 12, the left and right connecting gears 13, and the left and right connecting racks 14, the left and right moving drive motor 4 provides power to make the left and right connecting gears 13 rotate on the left and right connecting gears 13, with fast transmission, precise movement, and a self-locking function, avoiding the movement of the mechanism under the action of inertia in the case of power failure, and the structure is stable, safe and reliable.
[0029] Refer to Figures 1 to 5 As shown, for further refinement, the upper end of the left and right sliding frame 2 is provided with a front and rear guide rail 15 for facilitating the front and rear movement of the front and rear sliding frame 3. The bottom surface of the front and rear sliding frame 3 is installed with front and rear guide blocks 16 for sliding connection with the front and rear guide rail 15.
[0030] With the structural cooperation of the front and rear guide rail 15 and the front and rear guide blocks 16, the front and rear sliding frame 3 slides smoothly and stably, can quickly achieve front and rear movement, and improves the operating efficiency of the structure.
[0031] Moreover, front and rear connecting racks 17 are respectively provided on the inner sides of the left and right sliding frame 2. The front and rear moving drive motor 5 is installed on the front and rear sliding frame 3 and a front and rear connecting gear 18 for meshing connection with the front and rear connecting racks 17 is installed on its output shaft.
[0032] Through the structural cooperation of the front and rear moving drive motor 5, the front and rear connecting gear 18, and the front and rear connecting racks 17, the front and rear moving drive motor 5 provides power to make the front and rear connecting gear 18 rotate on the front and rear connecting gear 18, with fast transmission, precise movement, and a self-locking function, avoiding the movement of the mechanism under the action of inertia in the case of power failure, and the structure is stable, safe and reliable.
[0033] Refer to Figures 1 to 5 As shown, for further refinement, the front and rear sliding frame 3 is provided with a guiding support frame 19. At least two upper and lower guide rails 20 for the upper and lower sliding of the gripper connecting portion 6 are respectively provided on both inner sides of the guiding support frame 19. At least two upper and lower guide blocks 21 for sliding connection with the upper and lower guide rails 20 are respectively provided on the left and right sides of the gripper connecting portion 6.
[0034] Through the structural cooperation of multiple upper and lower guide rails 20 and corresponding upper and lower guide blocks 21, this structure shows the structure of double-sided four upper and lower guide rails 20, which improves the connection stability of the gripper connecting part 6 and can run stably and quickly after grasping the workpiece, thus improving the operation efficiency.
[0035] Moreover, an upper and lower connecting rack 23 is installed on one side of the gripper connecting part 6, and the worm and worm gear reducer 7 is installed on the front and rear sliding frame 3, and its output shaft is installed with an upper and lower connecting gear 22 meshed with the upper and lower connecting rack 23.
[0036] Through the structural cooperation of the worm and worm gear reducer 7, the upper and lower connecting gears 22 and the upper and lower connecting racks 23, the worm and worm gear reducer 7 provides power to make the upper and lower connecting gears 22 rotate on the upper and lower connecting gears 22, with fast transmission, precise movement, and a self-locking function, avoiding the phenomenon of free fall of the gripper connecting part 6 in case of power failure, overload, etc., and improving the safety and reliability of the mechanism.
[0037] The above specific embodiments are only the specific embodiments with better effects of the present invention. Any structure identical or equivalent to the gantry lifting mechanism with self-locking of the present invention is within the protection scope of the present invention.
Claims
1. A gantry lifting mechanism with self-locking, comprising a frame (1) and a lifting combination device, characterized in that: The lifting combination device includes an automatic sliding frame group and a self-locking lifting gripper group. The automatic sliding frame group includes a left-right sliding frame (2), a front-back sliding frame (3), a left-right movement driving motor (4), and a front-back movement driving motor (5). The self-locking lifting gripper group includes a gripper connection part (6) and a worm and worm gear reducer (7). The left-right sliding frame (2) is slidably connected to the left and right on the frame (1). The left-right movement driving motor (4) is installed on the left-right sliding frame (2), and its output shaft is meshed and connected to the frame (1). The front-back sliding frame (3) is slidably connected to the left-right sliding frame (2). The front-back movement driving motor (5) is installed on the front-back sliding frame (3), and its output shaft is meshed and connected to the left-right sliding frame (2). The gripper connection part (6) is slidably connected up and down to the front-back sliding frame (3). The worm and worm gear reducer (7) is installed on the front-back sliding frame (3), and its output shaft is meshed and connected to the gripper connection part (6).
2. The gantry lifting mechanism with self-locking according to claim 1, characterized in that: At both ends of the top of the frame (1), there are left-right guide rails (8) for the left-right movement of the left-right sliding frame (2). At both ends of the left-right sliding frame (2), rolling wheels (9) are respectively installed. The rolling wheels (9) are distributed on both sides of the left-right guide rails (8) and are in rolling connection with the left-right guide rails (8).
3. The gantry lifting mechanism with self-locking according to claim 1, characterized in that: The left-right sliding frame (2) is provided with a mounting bracket (10) and an auxiliary bracket (11). The left-right movement driving motor (4) is installed on the mounting bracket (10). The output shaft of the left-right movement driving motor (4) is provided with a transmission rod (12). The auxiliary bracket (11) is installed with a rotating bearing for rotatably connecting with the transmission rod (12). At both ends of the transmission rod (12), left-right connecting gears (13) are respectively provided. The frame (1) is provided with left-right connecting racks (14) for meshing and connecting with the left-right connecting gears (13).
4. The gantry lifting mechanism with self-locking according to claim 1, characterized in that: At the upper end of the left-right sliding frame (2), there are front-back guide rails (15) for the front-back movement of the front-back sliding frame (3). At the bottom surface of the front-back sliding frame (3), there are front-back guide blocks (16) for slidably connecting with the front-back guide rails (15).
5. The gantry lifting mechanism with self-locking according to claim 1, characterized in that: On the inner sides of the left-right sliding frame (2), front-back connecting racks (17) are respectively provided. The front-back movement driving motor (5) is installed on the front-back sliding frame (3), and its output shaft is installed with front-back connecting gears (18) for meshing and connecting with the front-back connecting racks (17).
6. The gantry lifting mechanism with self-locking according to claim 1, characterized in that: The front-back sliding frame (3) is provided with a guide support frame (19). On the inner sides of both sides of the guide support frame (19), there are at least two up-down guide rails (20) for the up-down sliding of the gripper connection part (6). On the left and right sides of the gripper connection part (6), there are at least two up-down guide blocks (21) for slidably connecting with the up-down guide rails (20).
7. The gantry lifting mechanism with self-locking according to claim 1, characterized in that: On one side of the gripper connection part (6), an up-down connecting rack (23) is installed. The worm and worm gear reducer (7) is installed on the front-back sliding frame (3), and its output shaft is installed with an up-down connecting gear (22) for meshing and connecting with the up-down connecting rack (23).