A fall-prevention self-locking mechanism

By introducing a combination structure of guide rod, connecting seat, guide plate, guide block and limit groove into the fall protection self-locking mechanism, the problem of equipment head offset and jamming during hoisting is solved, and the precise movement and stability of equipment head are improved.

CN224433962UActive Publication Date: 2026-06-30深圳智准多轴技术有限公司

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
深圳智准多轴技术有限公司
Filing Date
2025-07-31
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

The existing anti-fall self-locking mechanism has problems with vertical movement deviation or jamming during the hoisting of the equipment head, which affects the accuracy of the equipment head and the processing quality.

Method used

An auxiliary guiding assembly is adopted, including a combination structure of guide rod, connecting seat, guide plate, guide block, limiting groove and limiting block, to provide precise guidance and ensure smooth vertical movement of the drive box, avoiding deviation or jamming.

Benefits of technology

It improves the working accuracy of the equipment head, ensures smooth movement, enhances the stability and reliability of the structure, reduces installation difficulty, and facilitates maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model proposes a fall-prevention self-locking mechanism, belonging to the technical field of mechanical production equipment. It includes a mounting base plate and a drive box mounted on the mounting base plate, with a processing head mounted on the lower end face of the drive box. The auxiliary guiding assembly of this utility model, through the cooperation of a guide rod, connecting seat, guide plate, guide block, limiting groove, and limiting block components, provides precise guidance for the vertical movement of the drive box, ensuring smooth and stable movement and preventing deviation or jamming, thereby improving the working accuracy of the processing head. The guide rod is connected at both ends to the upper and lower side walls of the receiving groove, the connecting seat further fixes the guide rod, the guide block is sleeved on the guide plate through a slot, and the limiting block is slidably connected within the limiting groove. This multi-connection and limiting structure enhances the stability of the entire auxiliary guiding assembly, making the drive box more robust and reliable during movement.
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Description

Technical Field

[0001] This utility model relates to the field of mechanical production equipment technology, and in particular to a fall-prevention self-locking mechanism. Background Technology

[0002] In modern industrial production and the operation of various mechanical equipment, there are numerous components and devices that require vertical movement or suspension, such as the machine head of production equipment. During operation, these machine heads are at risk of falling due to factors such as gravity, mechanical failure, and power interruption. Once a fall occurs, it can not only cause severe damage to the equipment and affect production progress, but also pose significant hazards to operators and the surrounding environment, leading to safety accidents and personal injuries. Therefore, some equipment is equipped with anti-fall self-locking mechanisms to effectively reduce safety accidents and personnel casualties.

[0003] Currently, existing fall-prevention self-locking mechanisms may experience deviations or jamming during the vertical adjustment of the machine head during hoisting, which reduces the precision of the machine head and thus affects the quality of the workpieces processed by the machine head. Utility Model Content

[0004] To address the aforementioned problems, this utility model proposes a fall-prevention self-locking mechanism.

[0005] This utility model is achieved through the following technical solution:

[0006] This utility model proposes a fall-prevention self-locking mechanism, including a mounting base plate and a drive box mounted on the mounting base plate. A processing head is provided on the lower end face of the drive box. A receiving groove is formed on the side wall of the mounting base plate opposite to the drive box. A cylinder is provided on the upper end face of the mounting base plate. The output end of the cylinder extends into the inner side of the receiving groove on the mounting base plate. A connecting block is connected to the end of the cylinder extending into the receiving groove. The connecting block is connected to the drive box. An auxiliary guide component is provided inside the receiving groove. The auxiliary guide component is used to guide the drive box to move in the vertical direction.

[0007] Furthermore, the auxiliary guiding assembly includes a guide rod, a connecting seat, a guide plate, a guide block, a limiting groove, and a limiting block. The guide rod is disposed inside the receiving groove, and both ends of the guide rod are connected to the upper and lower side walls of the receiving groove. The connecting block is sleeved on the guide rod, and the connecting seat is disposed at one end of the guide rod and connected to the lower end face of the receiving groove.

[0008] Furthermore, two guide plates are provided, which are connected to the bottom of the inner side of the receiving groove and located on both sides of the guide rod. The guide block is located on one side of the guide plate, and a slot is opened on the side wall of the guide block opposite to the guide plate. The guide block is sleeved on the guide plate through the slot.

[0009] Furthermore, the limiting groove is formed on both sides of the guide plate, the limiting block is formed on both sides of the inner side of the slot on the guide block, the guide block on the limiting block is slidably connected to the limiting groove on the guide plate, and the side wall of the guide block away from the guide plate is connected to the drive box.

[0010] Furthermore, the guide plate is provided with multiple positioning holes, and positioning pins are provided inside the positioning holes.

[0011] Furthermore, a telescopic baffle is provided inside the receiving groove. The cross-section of the telescopic baffle is wavy. The lower end face of the telescopic baffle is connected to the lower end face inside the receiving groove, and the upper end face of the telescopic baffle is connected to the lower end face of the connecting block. The telescopic baffle covers one side of the guide plate.

[0012] Furthermore, air nozzles are provided at the four corners of the lower end face of the drive box. The air nozzles are inclined and are inclined towards the machining head.

[0013] Furthermore, a mounting plate is provided on the side wall of the drive box opposite to the mounting base plate. The connecting block and the guide block are connected to the mounting plate. A recessed groove is provided at the lower end of the side wall of the mounting plate opposite to the mounting base plate. The end of the telescopic baffle away from the mounting base plate is located inside the recessed groove. A groove is provided at the upper end of the side wall of the mounting plate opposite to the mounting base plate. One side wall of the cylinder is engaged inside the groove on the mounting plate.

[0014] The beneficial effects of this utility model are:

[0015] The auxiliary guiding assembly, through the cooperation of guide rods, connecting seats, guide plates, guide blocks, limiting grooves, and limiting block components, provides precise guidance for the vertical movement of the drive box, ensuring smooth and stable movement and preventing deviation or jamming, thereby improving the working accuracy of the machining head. The two ends of the guide rod are connected to the upper and lower side walls of the receiving groove, the connecting seat further fixes the guide rod, the guide block is sleeved on the guide plate through a slot, and the limiting block is slidably connected in the limiting groove. This multi-connection and limiting structure enhances the stability of the entire auxiliary guiding assembly, making the drive box structure more robust and reliable during movement. Attached Figure Description

[0016] Figure 1 This is a first-person perspective schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a second-view schematic diagram of the overall structure of this utility model;

[0018] Figure 3 This is a first-person exploded view of the present invention.

[0019] Figure 4 This is a second-view exploded view of the present invention;

[0020] Figure 5 This is an exploded view of the telescopic baffle and drive box of this utility model;

[0021] Figure 6 For the present utility model Figure 5 Enlarged view of point A in the middle.

[0022] The attached figures are labeled as follows:

[0023] In the diagram: 1. Mounting base plate; 2. Drive box; 3. Machining head; 4. Cylinder; 5. Connecting block; 61. Guide rod; 62. Connecting seat; 63. Guide plate; 64. Guide block; 65. Limiting groove; 66. Limiting block; 7. Telescopic baffle; 8. Air nozzle; 10. Mounting plate; 11. Sinking groove; 12. Groove. Detailed Implementation

[0024] To more clearly and completely illustrate the technical solution of this utility model, the following description, in conjunction with the accompanying drawings, will further explain this utility model.

[0025] Please refer to Figures 1-6 This utility model proposes a fall-prevention self-locking mechanism, including a mounting base plate 1 and a drive box 2 disposed on the mounting base plate 1. A processing head 3 is disposed on the lower end face of the drive box 2. A receiving groove is formed on the side wall of the mounting base plate 1 opposite to the drive box 2. A cylinder 4 is disposed on the upper end face of the mounting base plate 1. The output end of the cylinder 4 extends into the inner side of the receiving groove on the mounting base plate 1. A connecting block 5 is connected to one end of the cylinder 4 extending into the receiving groove. The connecting block 5 is connected to the drive box 2. An auxiliary guide component is disposed inside the receiving groove. The auxiliary guide component is used to guide the drive box 2 to move in the vertical direction.

[0026] The auxiliary guiding assembly includes a guide rod 61, a connecting seat 62, a guide plate 63, a guide block 64, a limiting groove 65, and a limiting block 66. The guide rod 61 is disposed inside the receiving groove, and both ends of the guide rod 61 are connected to the upper and lower side walls of the inner side of the receiving groove. The connecting block 5 is sleeved on the guide rod 61, and the connecting seat 62 is disposed at one end of the guide rod 61 and is connected to the lower end face of the inner side of the receiving groove.

[0027] Two guide plates 63 are provided, and the two guide plates 63 are connected to the bottom of the inner side of the receiving groove and located on both sides of the guide rod 61. The guide block 64 is located on one side of the guide plate 63. The side wall of the guide block 64 opposite to the guide plate 63 is provided with a slot, and the guide block 64 is sleeved on the guide plate 63 through the slot.

[0028] The limiting groove 65 is formed on both sides of the guide plate 63, and the limiting block 66 is formed on both sides of the inner side of the slot on the guide block 64. The guide block 64 on the limiting block 66 is slidably connected to the limiting groove 65 on the guide plate 63. The side wall of the guide block 64 away from the guide plate 63 is connected to the drive box 2.

[0029] The auxiliary guiding assembly, through the cooperation of guide rod 61, connecting seat 62, guide plate 63, guide block 64, limiting groove 65, and limiting block 66, provides precise guidance for the vertical movement of the drive box 2, ensuring smooth and stable movement of the drive box 2 and avoiding deviation or jamming, thereby improving the working accuracy of the processing head 3. The two ends of the guide rod 61 are connected to the upper and lower side walls of the receiving groove, the connecting seat 62 further fixes the guide rod 61, the guide block 64 is sleeved on the guide plate 63 through a slot, and the limiting block 66 is slidably connected in the limiting groove 65. This multi-connection and limiting structure enhances the stability of the entire auxiliary guiding assembly, making the structure of the drive box 2 more robust and reliable during movement.

[0030] In this embodiment, when it is necessary to adjust the height of the machining head 3 on the drive box 2, the cylinder 4 is activated. The cylinder 4 pushes the connecting block 5 and the drive box 2 set on the connecting block 5 to move. The drive box 2 moves the machining head 3 on it. During the movement of the drive box 2, the connecting block 5 moves up and down along the guide rod 61. At the same time, the guide block 64 moves up and down along the guide plate 63. When the machining head 3 moves to the appropriate position, the cylinder 4 is closed.

[0031] The guide plate 63 has multiple positioning holes, and positioning pins are provided inside the positioning holes.

[0032] The guide plate 63 has multiple positioning holes and positioning pins, which facilitates the positioning, installation and adjustment of the guide plate 63 and reduces the installation difficulty; at the same time, this structural design also facilitates the subsequent maintenance and repair of the auxiliary guide components.

[0033] A telescopic baffle 7 is provided inside the receiving groove. The telescopic baffle 7 has a wavy cross-section. The lower end face of the telescopic baffle 7 is connected to the lower end face of the inner side of the receiving groove, and the upper end face of the telescopic baffle 7 is connected to the lower end face of the connecting block 5. The telescopic baffle 7 covers one side of the guide plate 63. The telescopic baffle 7 can prevent dust from entering the auxiliary guiding assembly.

[0034] Air nozzles 8 are provided at the four corners of the lower end face of the drive box 2. The air nozzles 8 are inclined and tilted towards the machining head 3. The air nozzles 8 are provided to clean the dust and debris generated during the machining of the workpiece by the machining head 3.

[0035] A mounting plate 10 is provided on the side wall of the drive box 2 opposite to the mounting base plate 1. The connecting block 5 and the guide block 64 are connected to the mounting plate 10. A recessed groove 11 is formed at the lower end of the side wall of the mounting plate 10 opposite to the mounting base plate 1. The end of the telescopic baffle 7 away from the mounting base plate 1 is located inside the recessed groove 11. A groove 12 is formed at the upper end of the side wall of the mounting plate 10 opposite to the mounting base plate 1. One side wall of the cylinder 4 is engaged inside the groove 12 on the mounting plate 10. The mounting plate 10 is used to connect the mounting base plate 1 and the drive box 2.

[0036] Of course, there may be other implementations of this utility model. Based on this implementation, other implementations obtained by those skilled in the art without any creative effort are all within the scope of protection of this utility model.

Claims

1. A fall arrest self-locking mechanism comprising a mounting base plate and a drive box arranged on the mounting base plate, characterized in that, The lower end face of the drive box is provided with a processing head. The side wall of the mounting base plate opposite to the drive box is provided with a receiving groove. The upper end face of the mounting base plate is provided with a cylinder. The output end of the cylinder extends into the inside of the receiving groove on the mounting base plate. One end of the cylinder extending into the receiving groove is connected to a connecting block. The connecting block is connected to the drive box. An auxiliary guide component is provided inside the receiving groove. The auxiliary guide component is used to guide the drive box to move in the vertical direction.

2. A self-locking mechanism against falling according to claim 1, characterized in that, The auxiliary guiding assembly includes a guide rod, a connecting seat, a guide plate, a guide block, a limiting groove, and a limiting block. The guide rod is disposed inside the receiving groove, and both ends of the guide rod are connected to the upper and lower side walls of the receiving groove. The connecting block is sleeved on the guide rod, and the connecting seat is disposed at one end of the guide rod and connected to the lower end face of the receiving groove.

3. A self-locking fall arrest mechanism according to claim 2, wherein, Two guide plates are provided, which are connected to the bottom of the inner side of the receiving groove and located on both sides of the guide rod. The guide block is located on one side of the guide plate, and a slot is opened on the side wall of the guide block opposite to the guide plate. The guide block is sleeved on the guide plate through the slot.

4. A self-locking mechanism according to claim 2, wherein The limiting groove is formed on both sides of the guide plate, the limiting block is formed on both sides of the guide block inside the slot, the guide block on the limiting block is slidably connected to the limiting groove on the guide plate, and the side wall of the guide block away from the guide plate is connected to the drive box.

5. A self-locking fall arrest mechanism according to claim 2, wherein, The guide plate has multiple positioning holes, and positioning pins are provided inside the positioning holes.

6. A self-locking mechanism according to claim 2, wherein A telescopic baffle is provided inside the receiving groove. The telescopic baffle has a wavy cross-section. The lower end face of the telescopic baffle is connected to the lower end face of the inner side of the receiving groove, and the upper end face of the telescopic baffle is connected to the lower end face of the connecting block. The telescopic baffle covers one side of the guide plate.

7. A self-locking fall arrest mechanism according to claim 1, wherein, Air nozzles are provided at the four corners of the lower end face of the drive box. The air nozzles are inclined and tilted towards the machining head.

8. A self-locking fall arrest mechanism according to claim 6, wherein, A mounting plate is provided on the side wall of the drive box opposite to the mounting base plate. The connecting block and the guide block are connected to the mounting plate. A recessed groove is provided at the lower end of the side wall of the mounting plate opposite to the mounting base plate. The end of the telescopic baffle away from the mounting base plate is located inside the recessed groove. A groove is provided at the upper end of the side wall of the mounting plate opposite to the mounting base plate. One side wall of the cylinder is engaged inside the groove on the mounting plate.