Compressed air self-rescue device
By using a compressed air self-rescue rack and hollow pipe connection in the compressed air self-rescue device, the time-consuming and labor-intensive disassembly and safety hazards are solved, and rapid installation and efficient construction are achieved.
Patent Information
- Application Number
- CN202422633167.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-30
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-10-30
AI Technical Summary
When used underground in coal mines, the existing compressed air self-rescue device is time-consuming and labor-intensive to dismantle the pipeline, which is troublesome to carry and install, increases labor intensity, slow construction speed, low efficiency, and safety hazards.
The compressed air self-rescue rack is adopted, and hollow pipe connections are used to replace the Φ10 pipeline. The design of lifting lugs and reinforcement rods is used to achieve rapid disassembly and installation, reducing costs, improving operating efficiency and enhancing safety.
It realizes rapid disassembly and installation, reduces labor intensity, improves construction speed and safety, and reduces safety hazards.
Smart Images

Figure CN223177585U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of dust prevention in coal mines, and particularly relates to a compressed air self-rescue device. Background Art
[0002] Coal mines require that the compressed air self-rescue device on the working face be 25-40m away from the head, and need to be moved forward once every 1-2 days. Since the compressed air self-rescue device needs to be connected to compressed air and compressed water, a large number of Φ10 diameter pipes are required to connect to the compressed air self-rescue box. Disassembling the pipes is time-consuming and labor-intensive, and transportation and installation are troublesome, which invisibly increases labor intensity, slows construction speed and low efficiency. In addition, due to the limited working space in the tunnel, lifting operations, and personnel working at high altitudes, the risk factor is relatively high, and accidents of bumping hands and feet are prone to occur, posing safety hazards to varying degrees. Utility Model Content
[0003] The utility model provides a compressed air self-rescue device to solve the problems of the existing compressed air self-rescue device in that it is time-consuming and labor-intensive to dismantle the pipeline, the transportation and installation are troublesome, the labor intensity is increased invisibly, the construction speed is slow and the efficiency is low.
[0004] The utility model adopts the following technical solutions:
[0005] A compressed air self-rescue device includes a compressed air self-rescue frame, in which a plurality of compressed air self-rescue device bodies are placed, the compressed air self-rescue frame includes two mutually parallel longitudinal bars, an upper cross bar and two hollow tubes are vertically connected between the longitudinal bars in sequence, both ends of the longitudinal bars are vertically connected to vertical bars, one end of the vertical bar is vertically connected to a lower cross bar, a plurality of dividing rods are connected between the upper cross bar and the lower cross bar, the compressed air self-rescue device body is located in the interval divided by the dividing rods, and the lower sides of the hollow tubes are respectively connected to an air supply pipe and a water supply pipe for connecting to the compressed air self-rescue device body.
[0006] Furthermore, both ends of the upper cross bar are provided with lifting ears.
[0007] Furthermore, the lifting ears are arranged symmetrically with respect to the center of the upper cross bar.
[0008] Furthermore, both sides of the hollow tube are connected to the compressed air and water pipelines through stop valves respectively.
[0009] Furthermore, reinforcement rods are connected between the lower cross bars.
[0010] Furthermore, the compressed air self-rescue frame is divided into four intervals by the dividing rods.
[0011] The beneficial effects of the utility model are as follows:
[0012] The utility model uses a hollow pipe to connect and weld a straight-through pipe to replace the Φ10 pipeline, which can effectively reduce costs, reduce the cumbersome disconnection and connection of pipelines, realize rapid operation, improve operation efficiency, and improve the safety of operators. Description of the Drawings
[0013] Figure 1 It is a schematic structural diagram of the compressed air self-rescue frame of the utility model;
[0014] Among them: 1 - longitudinal rod; 2 - upper cross bar; 3 - hollow pipe; 4 - vertical rod; 5 - lower cross bar; 6 - dividing rod; 7 - air supply pipe; 8 - water supply pipe; 9 - lifting lug; 10 - reinforcing rod. Specific Embodiments
[0015] In combination with the drawings, the utility model will be further described.
[0016] As shown in the figure, a compressed air self-rescue device includes a compressed air self-rescue frame. A number of compressed air self-rescue device bodies are placed inside the compressed air self-rescue frame. The compressed air self-rescue frame includes two parallel longitudinal rods 1. An upper cross bar 2 and two hollow pipes 3 are vertically connected in sequence between the longitudinal rods 1. Vertical rods 4 are vertically connected to both ends of the longitudinal rods 1. A lower cross bar 5 is vertically connected to one end of the vertical rod 4. A number of dividing rods 6 are connected between the upper cross bar 2 and the lower cross bar 5. The compressed air self-rescue device bodies are located in the intervals divided by the dividing rods 6. Air supply pipes 7 and water supply pipes 8 for connecting with the compressed air self-rescue device bodies are respectively connected to the lower sides of the hollow pipes 3.
[0017] Further, lifting lugs 9 are provided at both ends of the upper cross bar 2.
[0018] Further, the lifting lugs 9 are symmetrically arranged relative to the center of the upper cross bar 2.
[0019] Further, both sides of the hollow pipe 3 are respectively connected to the compressed air and water pipes through stop valves.
[0020] Further, a reinforcing rod 10 is connected between the lower cross bars 5.
[0021] Further, the intervals divided by the dividing rods 6 of the compressed air self-rescue frame are four.
[0022] Specifically, by using ∠40×40×4 angle iron and 2 DN20 hollow pipes, welding is carried out according to the size and specifications of the compressed air self-rescue. Among them, the 2 DN20 hollow pipes are respectively the compressed air and water pipes, and Φ10 straight-through pipes are reserved at each group of compressed air self-rescue for connecting compressed air and water. Stop valves are installed on both sides of the 2 DN20 hollow pipes to introduce compressed air and water, and they are connected to the compressed air self-rescue box.
[0023] Suspend this utility model by using the lifting lugs in cooperation with lifting chains or steel wire ropes at the well-supported part of the roadway. Place the four sets of air-pressurized self-rescue device bodies into the air-pressurized self-rescue frames respectively, and connect the air supply and water supply of the air-pressurized self-rescue box to the upper air supply and water supply pipelines of the air-pressurized self-rescue devices respectively to achieve quick disassembly and installation.
Claims
1. A compressed air self-rescue device, characterized in that: It includes a compressed air self-rescue rack, and several compressed air self-rescue device bodies are placed inside the compressed air self-rescue rack. The compressed air self-rescue rack includes two parallel longitudinal rods (1), an upper crossbar (2) and two hollow tubes (3) are vertically connected in sequence between the longitudinal rods (1), vertical rods (4) are vertically connected to both ends of the longitudinal rods (1), a lower crossbar (5) is vertically connected to one end of the vertical rod (4), several dividing rods (6) are connected between the upper crossbar (2) and the lower crossbar (5), and the compressed air self-rescue device bodies are located in the intervals divided by the dividing rods (6). An air supply pipe (7) and a water supply pipe (8) for connecting with the compressed air self-rescue device bodies are respectively connected to the lower sides of the hollow tubes (3).
2. The self-rescue device for compressed air according to claim 1, characterized in that: Lifting lugs (9) are provided at both ends of the upper crossbar (2).
3. The self-rescue device for compressed air according to claim 2, characterized in that: The lifting lugs (9) are symmetrically arranged with respect to the center of the upper crossbar (2).
4. The self-rescue device for compressed air according to claim 1, characterized in that: Both sides of the hollow tube (3) are respectively connected to the compressed air and water pressure pipelines through stop valves.
5. The self-rescue device for compressed air according to claim 1, characterized in that: Reinforcing rods (10) are connected between the lower crossbars (5).
6. The self-rescue device for compressed air according to claim 1, wherein: The intervals divided by the dividing rods (6) of the compressed air self-rescue rack are four.