A wind pipe anti-pulling device

Abstract

The utility model provides a kind of wind pipe anti-pulling device, it is related to wind pipe fixing technical field, including anti-pulling hoop, fastening bolt and anti-pulling chain, anti-pulling hoop is sleeved in wind pipe outside, first screw hole and second screw hole are equipped on the anti-pulling hoop of opening, anti-pulling chain one end is equipped with first fixed ring, anti-pulling chain other end is equipped with second fixed ring, fastening bolt connects first screw hole, first fixed ring and second screw hole, and fastening bolt is locked on anti-pulling hoop by fastening nut, second fixed ring is connected with wind tool;The utility model is by being sleeved with anti-pulling hoop in wind pipe outside, and an opening is provided on anti-pulling hoop, and fastening bolt is set at opening, first fixed ring of anti-pulling chain one end can be limited in opening inside by fastening bolt, second fixed ring of anti-pulling chain other end can be connected with wind tool after being connected, and wind pipe can be connected with wind tool stably to prevent pulling.

Description

Technical Field

[0001] This utility model relates to the field of duct fixing technology, and in particular to a duct anti-pull-out device. Background Technology

[0002] In the underground working environment of coal mines, the air supply system at the working face is one of the core facilities for ensuring production safety and operational efficiency. Among them, the air supply hose, as a key transmission component connecting the surface compressed air source and underground pneumatic tools, directly affects the continuity of operations and personnel safety.

[0003] In current technology, when connecting the air supply hose to pneumatic tools at the working face in coal mines, wire is used to reinforce and secure the hose to the tool to prevent it from detaching. However, using wire to reinforce the hose presents problems such as cumbersome operation, non-reusable wire, and the wire's tendency to break and detach, potentially causing injury. Therefore, this invention proposes an air supply hose anti-detachment device to address the shortcomings of existing technology. Utility Model Content

[0004] To address the aforementioned problems, the purpose of this utility model is to provide a duct anti-pull-out device. By installing an anti-pull-out clamp on the outside of the duct, and setting an opening on the anti-pull-out clamp, and setting a fastening bolt at the opening, the first fixing ring at one end of the anti-pull-out chain can be limited inside the opening by the fastening bolt. After the second fixing ring at the other end of the anti-pull-out chain is connected to the pneumatic tool, the duct can be stably connected to the pneumatic tool to prevent pull-out.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A duct anti-pull-out device includes an anti-pull-out clamp, a fastening bolt, and an anti-pull-out chain. The anti-pull-out clamp is fitted onto the outside of the duct. A groove is provided on the inner wall of the anti-pull-out clamp, and an anti-slip liner is provided inside the groove. The inner diameter of the anti-slip liner, the inner diameter of the anti-pull-out clamp, and the diameter of the duct are compatible. The anti-pull-out clamp has an opening, and a first screw hole and a second screw hole are provided at the opening. One end of the anti-pull-out chain has a first fixing ring, and the other end has a second fixing ring. The first fixing ring is located inside the opening. The fastening bolt connects the first screw hole, the first fixing ring, and the second screw hole, and is locked to the anti-pull-out clamp by a fastening nut. The second fixing ring is connected to a pneumatic tool.

[0006] A further improvement is that the surface of the anti-slip liner is provided with anti-slip protrusions, and there are multiple anti-slip protrusions.

[0007] A further improvement is that: a fixing seat is provided on the outer wall of the arc segment of the anti-pull-out clamp, and there are three sets of fixing seats, each of which is provided with a first connecting hole.

[0008] A further improvement is that a fixing nut is provided on the connection port of the pneumatic tool, and a ring plate is fitted on the outer side of the connection port on one side of the fixing nut, and the fixing nut locks the ring plate on the connection port.

[0009] A further improvement is that: the ring plate is provided with a fixing plate, and the fixing plate is provided in three sets, with the three sets of fixing plates corresponding one-to-one with the three sets of fixing seats, and each of the three sets of fixing plates is provided with a second connecting hole.

[0010] A further improvement is that the first connecting hole and the second connecting hole are connected by a reinforcing bolt and a reinforcing nut.

[0011] The beneficial effects of this utility model are as follows: This utility model, by fitting an anti-pull-out clamp on the outside of the air duct, setting an opening on the anti-pull-out clamp, and setting a fastening bolt at the opening, can limit the first fixing ring at one end of the anti-pull-out chain to be inside the opening through the fastening bolt. After the second fixing ring at the other end of the anti-pull-out chain is connected to the pneumatic tool, the air duct can be stably connected to the pneumatic tool to prevent pull-out. The fixing seat on the outer wall of the anti-pull-out clamp of this utility model is connected to the fixing plate on the ring plate by reinforcing bolts and reinforcing nuts, which can improve the connection stability between the air duct and the connection port and further prevent the air duct from being pulled out. Attached Figure Description

[0012] Figure 1 This is a three-dimensional structural schematic diagram of the present utility model; Figure 2 This is a three-dimensional schematic diagram of the reinforced bolt installation structure of this utility model; Figure 3 This is a three-dimensional schematic diagram of the anti-pull-out clamp structure of this utility model.

[0013] The components include: 1. Anti-pull-out clamp; 2. Fastening bolt; 3. Anti-pull-out chain; 4. Air duct; 5. Anti-slip liner; 6. Opening; 7. First fixing ring; 8. Second fixing ring; 9. Fastening nut; 10. Pneumatic tool; 11. Anti-slip protrusion; 12. Fixing base; 13. Fixing nut; 14. Connection port; 15. Ring plate; 16. Fixing plate; 17. Reinforcing bolt; 18. Reinforcing nut. Detailed Implementation

[0014] To deepen the understanding of this utility model, the following detailed description will be provided in conjunction with embodiments. These embodiments are only used to explain this utility model and do not constitute a limitation on the scope of protection of this utility model.

[0015] Example 1 according to Figure 1-3 As shown, this embodiment proposes a duct anti-pull-out device, including an anti-pull-out clamp 1, a fastening bolt 2, and an anti-pull-out chain 3. The anti-pull-out clamp 1 is sleeved on the outside of the duct 4. The inner wall of the anti-pull-out clamp 1 is provided with a groove, and an anti-slip liner 5 is provided inside the groove. The inner diameter of the anti-slip liner 5, the inner diameter of the anti-pull-out clamp 1, and the diameter of the duct 4 are compatible. The anti-pull-out clamp 1 is provided with an opening 6, and the anti-pull-out clamp 1 at the opening 6 is provided with a first screw hole and a second screw hole. One end of the anti-pull-out chain 3 is provided with a first fixing ring 7, and the other end of the anti-pull-out chain 3 is provided with a second fixing ring 8. The first fixing ring 7 is located inside the opening 6. The fastening bolt 2 connects the first screw hole, the first fixing ring 7, and the second screw hole, and the fastening bolt 2 is locked to the anti-pull-out clamp 1 by a fastening nut 9. The second fixing ring 8 is connected to a pneumatic tool 10.

[0016] When the duct anti-pull-out device of this utility model is used to prevent the duct 4 from being pulled out, firstly, the anti-pull-out clamp 1 is put on the outside of the duct 4. Then, the first fixing ring 7 at one end of the anti-pull-out chain 3 is inserted into the opening 6. Then, the fastening bolt 2 is inserted into the first screw hole, the first fixing ring 7 and the second screw hole. The end of the fastening bolt 2 that passes through the top of the second screw hole is fixed with the fastening nut 9. Then, the second fixing ring 8 at the other end of the anti-pull-out chain 3 is connected to the pneumatic tool 10. The duct 4 inside the anti-pull-out clamp 1 can be pulled by the anti-pull-out chain 3 to prevent the duct 4 from being separated from the pneumatic tool 10.

[0017] The surface of the anti-slip liner 5 is provided with anti-slip protrusions 11, and there are multiple anti-slip protrusions 11. This utility model, by providing an anti-slip liner 5 on the inner wall of the anti-pull-out clamp 1 and providing anti-slip protrusions 11 on the anti-slip liner 5, can enhance the friction between the anti-pull-out clamp 1 and the air duct 4 through the anti-slip protrusions 11, thereby improving the fixing stability between the anti-pull-out clamp 1 and the air duct 4.

[0018] Example 2 according to Figure 1-3As shown, this embodiment proposes a duct anti-pull-out device, including an anti-pull-out clamp 1, a fastening bolt 2, and an anti-pull-out chain 3. The anti-pull-out clamp 1 is sleeved on the outside of the duct 4. The inner wall of the anti-pull-out clamp 1 is provided with a groove, and an anti-slip liner 5 is provided inside the groove. The inner diameter of the anti-slip liner 5, the inner diameter of the anti-pull-out clamp 1, and the diameter of the duct 4 are compatible. The anti-pull-out clamp 1 is provided with an opening 6, and the anti-pull-out clamp 1 at the opening 6 is provided with a first screw hole and a second screw hole. One end of the anti-pull-out chain 3 is provided with a first fixing ring 7, and the other end of the anti-pull-out chain 3 is provided with a second fixing ring 8. The first fixing ring 7 is located inside the opening 6. The fastening bolt 2 connects the first screw hole, the first fixing ring 7, and the second screw hole, and the fastening bolt 2 is locked to the anti-pull-out clamp 1 by a fastening nut 9. The second fixing ring 8 is connected to a pneumatic tool 10.

[0019] The anti-pull-out clamp 1 has a fixing seat 12 on its outer arc segment. There are three sets of fixing seats 12, each with a first connecting hole. The pneumatic tool 10 has a fixing nut 13 on its connection port 14. A ring plate 15 is fitted onto the outer side of the connection port 14 on one side of the fixing nut 13, locking the ring plate 15 to the connection port 14. The ring plate 15 has a fixing plate 16, with three sets corresponding to the three sets of fixing seats 12. Each set of fixing plates 16 has a second connecting hole. The first connecting hole and the second connecting hole are connected by a reinforcing bolt 17 and a reinforcing nut 18. After the anti-pull-out clamp 1, the anti-pull-out chain 3, and the pneumatic tool 10 are connected, the reinforcing bolt 17 is inserted into the first connection hole and the second connection hole, and the two ends are fixed by the reinforcing nut 18. This can achieve stable reinforcement between the anti-pull-out clamp 1 and the connection port 14, and further prevent the air duct 4 from separating from the connection port 14.

[0020] This invention features an anti-pull-out clamp 1 fitted over the outside of the duct 4, with an opening 6 on the clamp 1 and a fastening bolt 2 at the opening 6. The fastening bolt 2 can limit the first fixing ring 7 at one end of the anti-pull-out chain 3 inside the opening 6. The second fixing ring 8 at the other end of the anti-pull-out chain 3 is then connected to the pneumatic tool 10, thus achieving a stable connection between the duct 4 and the pneumatic tool 10 and preventing pull-out. The fixing seat 12 on the outer wall of the anti-pull-out clamp 1 and the fixing plate 16 on the ring plate 15 are connected by reinforcing bolts 17 and reinforcing nuts 18, which can improve the connection stability between the duct 4 and the connection port 14 and further prevent the duct 4 from being pulled out.

[0021] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A duct anti-pull-out device, characterized in that: The system includes an anti-pull-out clamp (1), fastening bolts (2), and an anti-pull-out chain (3). The anti-pull-out clamp (1) is fitted onto the outside of the air duct (4). The inner wall of the anti-pull-out clamp (1) has a groove, and the groove has an anti-slip liner (5). The inner diameter of the anti-slip liner (5), the inner diameter of the anti-pull-out clamp (1), and the diameter of the air duct (4) are compatible. The anti-pull-out clamp (1) has an opening (6), and the anti-pull-out clamp (1) at the opening (6) has a first... The anti-pull-out chain (3) has a first fixing ring (7) at one end and a second fixing ring (8) at the other end. The first fixing ring (7) is located inside the opening (6). The fastening bolt (2) connects the first screw hole, the first fixing ring (7) and the second screw hole. The fastening bolt (2) is locked to the anti-pull-out clamp (1) by a fastening nut (9). The second fixing ring (8) is connected to the pneumatic tool (10).

2. The duct anti-pull-out device according to claim 1, characterized in that: The surface of the anti-slip liner (5) is provided with anti-slip protrusions (11), and there are multiple anti-slip protrusions (11).

3. The duct anti-pull-out device according to claim 1, characterized in that: The outer wall of the arc segment of the anti-pull-out clamp (1) is provided with a fixing seat (12), and the fixing seat (12) is provided in three sets, and each of the three sets of fixing seats (12) is provided with a first connecting hole.

4. The duct anti-pull-out device according to claim 3, characterized in that: The pneumatic tool (10) has a fixing nut (13) on its connection port (14). A ring plate (15) is fitted on the outside of the connection port (14) on one side of the fixing nut (13). The fixing nut (13) locks the ring plate (15) on the connection port (14).

5. A duct anti-pull-out device according to claim 4, characterized in that: The ring plate (15) is provided with a fixing plate (16), and the fixing plate (16) is provided in three sets. The three sets of fixing plates (16) are arranged in a one-to-one correspondence with the three sets of fixing seats (12), and each of the three sets of fixing plates (16) is provided with a second connecting hole.

6. A duct anti-pull-out device according to claim 5, characterized in that: The first connecting hole and the second connecting hole are connected by a reinforcing bolt (17) and a reinforcing nut (18).

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