Broken belt positioning device for magic blanket belt
By designing a combination structure of positioning counterweight and elastic telescopic rod on the magic carpet belt, the problems of long response time and unstable positioning of existing devices are solved, realizing fast, timely and stable positioning in case of belt breakage, thus ensuring safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-03-06
AI Technical Summary
The existing snap-belt positioning device for magic carpets has a long response time and unstable positioning, and cannot quickly and timely stop the snap-belt from sliding down, posing a safety hazard.
A device comprising a positioning counterweight, an elastic telescopic rod, and a locking hole was designed to achieve rapid positioning of a broken belt using gravity and an elastic structure, while increasing resistance through teeth to ensure positioning stability.
It enables rapid and timely location of broken belts, ensuring the stability of the location and preventing safety accidents.
Smart Images

Figure CN223973288U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of magic carpet equipment technology, and in particular to a broken belt positioning device for magic carpet belts. Background Technology
[0002] The belt of a magic carpet may break during use. If the belt breaks and slips down, it can easily cause a safety accident and is difficult to repair later. Therefore, it is very important to quickly locate the broken belt and prevent it from slipping down. However, existing belt breakage locating devices are prone to the following problems: 1. The broken belt is detected by a detection device first, and then the capture mechanism locates it, which requires a certain reaction time and cannot be quickly and timely; 2. The belt breakage positioning is prone to instability and cannot effectively prevent the broken belt from slipping down. Utility Model Content
[0003] This invention proposes a broken belt positioning device for a magic carpet belt, which realizes rapid and timely positioning of broken belts while ensuring the stability of broken belt positioning.
[0004] The technical solution of this utility model is implemented as follows: A broken belt positioning device for a magic carpet belt includes a base plate, a vertical support plate is provided at the upper end of the base plate, and a longitudinal positioning counterweight is provided on the side of the support plate near the belt. One end of the positioning counterweight is a hinged end and the other end is a free end. The hinged end is hinged to the support plate, and the weight of the free end is greater than that of the hinged end. The lower side of the positioning counterweight is an arc-shaped surface with evenly distributed teeth. A transverse elastic telescopic rod is also provided on the support plate. When the free end of the positioning counterweight moves downward, the elastic telescopic rod abuts against the upper side of the free end, restricting the upward movement of the free end.
[0005] Furthermore, a locking hole is provided on the support plate, and an elastic telescopic rod is provided on the other side of the support plate. The moving end of the elastic telescopic rod passes through the locking hole and abuts against the side wall of the free end of the positioning counterweight.
[0006] Furthermore, the bottom of the mobile device is a sloping surface.
[0007] Furthermore, a through hole is provided on the upper side of the locking hole, and a detachable pin is inserted into the through hole, with the lower end of the pin passing through the through hole and placed inside the locking hole.
[0008] Furthermore, a guide plate is fixed on the other side of the support plate, and the elastic telescopic rod includes a locking rod. One end of the locking rod is fixed with a limit block, and the other end slides through the guide plate and the locking hole. A push block is also fixed on the locking rod. The push block is located on the side of the guide plate near the locking hole, and a compression spring is provided on the locking rod between the push plate and the guide plate.
[0009] The beneficial effects of this utility model are:
[0010] When the belt of the magic carpet moves normally, the belt abuts against the lower side of the positioning counterweight, providing support, and the free end cannot move down. However, when the belt breaks, the supporting force of the belt on the positioning counterweight disappears, and the free end of the positioning counterweight moves down quickly due to gravity, pressing down on the belt. The teeth increase the resistance of the belt sliding down, and the elastic telescopic rod prevents the free end from moving up and returning to its original position. The above structure realizes the rapid and timely positioning of the broken belt, while ensuring the stability of the broken belt positioning. Attached Figure Description
[0011] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art 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.
[0012] Figure 1 This is a top view of the belt breakage positioning device;
[0013] Figure 2 for Figure 1 The right view;
[0014] Figure 3 A schematic diagram of the structure after the free end of the positioning counterweight has been moved downwards;
[0015] Figure 4 This is a schematic diagram of the locking rod.
[0016] Figure 5 This is a schematic diagram of the through hole structure;
[0017] Figure 6 This is a schematic diagram of the magic carpet structure;
[0018] Figure 7 for Figure 6 A sectional view of AA.
[0019] 1. Base plate, 2. Support plate, 3. Positioning counterweight, 4. Rotating shaft, 5. Tooth, 6. Locking hole, 7. Elastic telescopic rod, 8. Inclined surface, 9. Through hole, 10. Pin, 11. Belt, 12. Guide plate, 13. Locking rod, 14. Limiting block, 15. Push block, 16. Compression spring. Detailed Implementation
[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0021] Example 1
[0022] like Figure 1-4 As shown, a broken belt positioning device for a magic carpet belt includes a base plate 1. A vertical support plate 2 is fixed to the upper end of the base plate 1. A longitudinal positioning counterweight 3 is provided on the side of the support plate 2 near the belt 11. One end of the positioning counterweight 3 is a hinged end and the other end is a free end. The hinged end is hinged to the support plate 2 through a rotating shaft 4. The weight of the free end is greater than that of the hinged end. The upper side of the positioning counterweight 3 is a plane and the lower side is an arc-shaped surface. Teeth 5 are evenly distributed on the arc-shaped surface.
[0023] The support plate 2 is provided with a locking hole 6. When the free end is in the initial position, it blocks the locking hole 6. The free end of the positioning counterweight 3 moves down and exposes the locking hole 6. The other side of the support plate 2 is provided with a transverse elastic telescopic rod 7. The moving end of the elastic telescopic rod 7 passes through the locking hole 6 and abuts against the side wall of the free end of the positioning counterweight 3. When the free end of the positioning counterweight 3 moves down, the elastic telescopic rod 7 extends and its moving end slides laterally. The lower side of the moving end is an inclined surface 8. When the inclined surface 8 slides laterally, it pushes the free end downward to further squeeze the belt 11. Finally, the moving end of the elastic telescopic rod 7 is placed on the upper side of the free end, restricting the free end from moving upward.
[0024] The method of using the broken belt positioning device is as follows: Figure 3 , 6 As shown in Figure 7, the base plate 1 is fixed to both sides of the magic carpet machine frame. The edge of the belt 11 is placed between the positioning counterweight 3 and the support roller shaft of the magic carpet. When the belt 11 is in normal transmission, the belt 11 abuts against the lower side of the positioning counterweight 3, and the free end cannot move downward. When the belt 11 breaks, the free end moves downward under the action of gravity, and the teeth 5 abut against the surface of the belt 11, restricting the movement of the broken belt. Meanwhile, the free end of the positioning counterweight 3 moves downward, exposing the locking hole 6 and the elastic telescopic rod 7. The elastic telescopic rod 7 extends laterally, and its moving end abuts against the upper side of the free end, restricting the upward movement of the free end and ensuring the stability of the belt 11 positioning.
[0025] Example 2
[0026] This embodiment is basically the same as Embodiment 1, except that, as Figure 5 As shown, a through hole 9 is provided on the upper side of the locking hole 6, and a detachable pin 10 is inserted into the through hole 9. The lower end of the pin 10 passes through the through hole 9 and is placed inside the locking hole 6.
[0027] When repairing a broken belt, the positioning counterweight 3 needs to be loosened to loosen the belt 11. First, the elastic telescopic rod 7 can be retracted into the locking hole 6. Then, the pin 10 is inserted into the locking hole 6 through the through hole 9 to restrict the extension of the elastic telescopic rod 7. After the belt 11 is repaired, the positioning counterweight 3 is reset and the pin 10 is pulled out.
[0028] Example 3
[0029] This embodiment is basically the same as embodiment 1 or 2, except that, as Figure 1 and 4 As shown, a guide plate 12 is fixed to the other side of the support plate 2. The elastic telescopic rod 7 includes a locking rod 13. One end of the locking rod 13 is fixed with a limit block 14, and the other end slides through the guide plate 1 and the locking hole 6. A push block 15 is also fixed on the locking rod 13. The push block 15 and the locking rod 13 are an integral structure. The push block 15 is located on the side of the guide plate 12 near the locking hole 6. A compression spring 16 is fitted on the locking rod 13 between the push plate and the guide plate 12.
[0030] When the free end of the positioning counterweight 3 moves down, the compression spring 16 extends, causing the locking rod 13 to move towards the free end. When the locking rod 13 needs to be retracted to the locking hole 6, simply pull the locking rod 13 in the opposite direction.
[0031] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A broken belt location device for a magic carpet belt, characterized by: The utility model relates to a belt fixing device for a belt conveyor, which comprises a base plate, the upper end of the base plate is provided with a vertical support plate, the side of the support plate close to the belt is provided with a longitudinal positioning counterweight, one end of the positioning counterweight is a hinged end, the other end is a free end, the weight of the free end is greater than that of the hinged end, the lower side of the positioning counterweight is an arc surface and is uniformly provided with teeth, the support plate is further provided with a transverse elastic telescopic rod, the free end of the positioning counterweight moves downward, the elastic telescopic rod abuts against the upper side of the free end to limit the upward movement of the free end.
2. A broken belt location device for a magic mat belt as defined in claim 1, wherein: The support plate is provided with a locking hole, the elastic telescopic rod is arranged on the other side of the support plate, the moving end of the elastic telescopic rod passes through the locking hole and abuts against the side wall of the free end of the positioning counterweight.
3. A broken belt location device for a magic mat belt as defined in claim 2, wherein: The lower side of the moving end is an inclined surface.
4. A broken belt location device for a magic mat belt according to claim 2 or 3, characterized in that: The upper side of the locking hole is provided with a through hole, a detachable bolt is inserted into the through hole, and the lower end of the bolt passes through the through hole and is arranged in the locking hole.
5. A broken belt location device for a magic mat belt according to claim 2 or 3, characterized in that: The other side of the support plate is fixedly provided with a guide plate, the elastic telescopic rod comprises a locking rod, one end of the locking rod is fixedly provided with a limiting block, the other end of the locking rod slides through the guide plate and the locking hole, the locking rod is further fixedly provided with a push block, the push block is located on the side of the guide plate close to the locking hole, and a compression spring is arranged on the locking rod between the push plate and the guide plate.