Quick overhaul and maintenance device for fire hydrant

Abstract

The utility model relates to the technical field of fire protection and maintenance, in particular to a fire hydrant rapid overhaul and maintenance device which comprises a tightening chain and a fixed pull rod, the two ends of the tightening chain are fixedly connected to one end of the fixed pull rod, a heating wire is fixedly installed on the side face of the tightening chain, and the heating wire is provided with an electric jack in the fixed pull rod. The outer side of the fixed pulling rod is slidably sleeved with a positioning pulling pipe, the end, away from the tightening chain, of the fixed pulling rod is in threaded connection with a locking screw handle, and the locking screw handle is a threaded pipe. The fire hydrant screw opening is heated through the heating wire, so that the sealant in the fire hydrant screw opening is melted, the fire hydrant is conveniently disassembled, and a wrench is formed through the tightening chain and the fixed pulling rod to disassemble the fire hydrant.

Description

Technical Field

[0001] The present application relates to the technical field of fire protection and maintenance, and in particular to a fire hydrant rapid inspection and maintenance device. Background Art

[0002] In order to ensure the normal use of fire hydrants in the event of a fire, fire hydrants need to be inspected and maintained during the fire protection maintenance process, and repaired or replaced when aging or other problems occur.

[0003] In order to ensure that the pipeline will not leak under high water pressure, when installing a fire hydrant at the pipe mouth, the connection between the pipe and the fire hydrant may be wrapped with hemp rope and coated with waterproof glue. When the fire hydrant needs to be disassembled for maintenance or replacement, the connection screw mouth is difficult to disassemble due to the adhesion of glue and hemp rope. Summary of the invention

[0004] In view of the deficiencies in the prior art, the purpose of the present application is to provide a fire hydrant quick inspection and maintenance device that is easy to disassemble the fire hydrant.

[0005] The above application objectives of this application are achieved through the following technical solutions:

[0006] A fire hydrant rapid inspection and maintenance device, characterized by comprising:

[0007] The clamping chain, when in use, is wrapped around the screw mouth of the fire hydrant:

[0008] A fixed lever, both ends of the clamping chain are fixedly connected to one end of the fixed lever;

[0009] A heating wire, the heating wire is fixedly installed on the side of the clamping chain, and the heating wire is provided with an electrical socket on the fixed lever;

[0010] A positioning lever tube, the positioning lever tube is slidably sleeved on the outer side of the fixed lever rod;

[0011] The locking screw handle is a threaded tube, which is threadedly connected to one end of the fixed lever away from the clamping chain, and one end of the locking screw handle is against the positioning lever tube.

[0012] Optionally, two fastening wheels are installed at a position of the positioning wrench close to the tightening chain, and the side surfaces of the fastening wheels are in contact with the tightening chain.

[0013] Optionally, the fastening wheel is a sprocket, and the fastening wheel is engaged with the clamping chain.

[0014] Optionally, two heating wires are provided, and the two heating wires are respectively installed on both sides of the tight hoop chain.

[0015] Optionally, the fixed lever is tubular, and the power socket is arranged at an end of the fixed lever away from the clamping chain.

[0016] Optionally, a limiting hole is provided on a side surface of the positioning lever tube, and a limiting rod is provided on the fixing lever, and the limiting rod passes through the limiting hole.

[0017] Optionally, one end of the tightening chain and the heating wire is fixedly connected to the fixed lever, and the other end is detachably mounted on the fixed lever.

[0018] Optionally, a chain groove is provided on the side of the fixed lever, and a fixing pin is provided in the chain groove.

[0019] In summary, the present application includes at least one of the following beneficial technical effects:

[0020] A tightening chain and a heating wire are provided, and the tightening chain and the fixed lever cooperate to tighten at the screw mouth of the fire hydrant, and the screw mouth of the fire hydrant is heated by the heating wire to melt the internal sealant, so that the fire hydrant can be disassembled easily, and the tightening chain and the fixed lever form a wrench to disassemble the fire hydrant;

[0021] By setting a tightening wheel, the path of the tightening chain is standardized, the friction between the tightening chain and the heating wire and the positioning switch pipe opening is reduced, and the service life of the heating wire is increased. By setting the tightening wheel as a sprocket to engage the tightening chain, the path of the tightening chain is further restricted, and the friction between the tightening chain and the heating wire and the positioning switch pipe opening is reduced;

[0022] By setting the limit hole and the limit rod, the sliding range of the positioning wrench pipe is limited, thereby reducing the possibility of the positioning wrench pipe sliding to the end of the clamp chain and causing jamming or breaking of the heating wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application;

[0024] Figure 2 yes Figure 1 Enlarged schematic diagram of part A.

[0025] Reference numerals: 1, tight chain;

[0026] 2. Fixing lever; 21. Chain slot; 22. Fixing pin;

[0027] 3. Heating wire;

[0028] 4. Positioning trigger pipe; 41. Fastening wheel; 42. Limiting hole; 421. Limiting rod;

[0029] 5. Lock the screw handle. DETAILED DESCRIPTION

[0030] The present application is further described in detail below in conjunction with the accompanying drawings.

[0031] See also Figure 1 and Figure 2 , is a fire hydrant quick inspection and maintenance device disclosed in an embodiment of the present application, comprising a tightening chain 1 and a fixed lever 2, both ends of the tightening chain 1 are fixedly connected to one end of the fixed lever 2, a heating wire 3 is fixedly installed on the side of the tightening chain 1, the heating wire 3 is provided with an electrical socket on the fixed lever 2, a positioning lever tube 4 is slidably sleeved on the outer side of the fixed lever 2, and a locking screw handle 5 is threadedly connected to one end of the fixed lever 2 away from the tightening chain 1, and the locking screw handle 5 is a threaded tube.

[0032] Specifically, both ends of the clamping chain 1 are fixedly connected to one end of the fixed lever 2 to form a chain link, a heating wire 3 is arranged on the side of the clamping chain 1, and a positioning lever tube 4 is slidably sleeved on the outer side of the fixed lever 2, and the positioning lever tube 4 restricts the clamping chain 1 by sliding.

[0033] In this way, a tightening chain 1 and a heating wire 3 are provided, and the tightening chain 1 and the fixed lever 2 cooperate to be tightened at the threaded mouth of the fire hydrant, and the threaded mouth of the fire hydrant is heated by the heating wire 3 to melt the internal sealant, thereby facilitating the disassembly of the fire hydrant, and a wrench is formed by the tightening chain 1 and the fixed lever 2 to disassemble the fire hydrant.

[0034] In some feasible embodiments, the tightening chain 1 is a common chain formed by a plurality of chain links rotatably connected, the fixing lever 2 is in the shape of a round tube, the heating wire 3 is a spiral resistance heating wire, which generates heat after being energized and then heats the sealant of the fire hydrant to melt it, the positioning lever tube 4 is in the shape of a round tube, and when the tightening chain 1 is sleeved on the fire hydrant, the positioning lever tube 4 slides toward the tightening chain 1 to tighten the fire hydrant, so that the tightening chain 1 fits the polygonal fire hydrant screw mouth and is rotated and fixed by the locking screw 5. After the sealant melts, the fire hydrant is unscrewed by rotating the fixing lever 2.

[0035] As a specific implementation of a fire hydrant rapid inspection and maintenance device provided in the application, two fastening wheels 41 are installed at a position of the positioning wrench 4 close to the clamping chain 1, and the sides of the fastening wheels 41 are in contact with the clamping chain 1.

[0036] In general, by setting The tightening wheel 41 regulates the path of the tightening chain 1 , reduces the scratches between the tightening chain 1 and the heating wire 3 and the pipe opening of the positioning wrench pipe 4 , and increases the service life of the heating wire 3 .

[0037] Furthermore, the fastening wheel 41 is a sprocket, and the fastening wheel 41 is meshed with the clamping chain 1 .

[0038] It should be understood that by setting the fastening wheel 41 as a sprocket to engage the clamping chain 1, the path of the clamping chain 1 is further restricted, and the scratches between the clamping chain 1 and the heating wire 3 and the pipe opening of the positioning wrench 4 are reduced.

[0039] Furthermore, two heating wires 3 are provided, and the two heating wires 3 are respectively installed on both sides of the tight hoop chain 1 .

[0040] It should be understood that by providing two heating wires 3, the heating effect is increased and the working efficiency is improved.

[0041] In some feasible embodiments, two openings are provided at the pipe opening of the positioning wrench pipe 4, and the fastening wheels 41 are rotatably installed in the openings respectively.

[0042] Provided as an application A fire hydrant rapid inspection and maintenance device Another specific implementation method, The fixed lever 2 is tubular, and the power socket is arranged at one end of the fixed lever 2 away from the clamping chain 1 .

[0043] It should be understood that it is more convenient to use if the power socket is arranged at the end of the fixed lever 2 away from the clamping chain 1.

[0044] Provided as an application A fire hydrant rapid inspection and maintenance device Another specific implementation method, A limiting hole 42 is provided on the side of the positioning lever tube 4 , and a limiting rod 421 is provided on the fixed lever 2 , and the limiting rod 421 passes through the limiting hole 42 .

[0045] It should be understood that by providing the limiting hole 42 and the limiting rod 421 , the sliding range of the positioning wrench tube 4 is limited, thereby reducing the possibility that the positioning wrench tube 4 slides to the end of the clamp chain 1 and causes the heating wire 3 to be stuck or broken.

[0046] In some feasible embodiments, the limiting hole 42 is threadedly connected to the fixed lever 2 .

[0047] Provided as an application A fire hydrant rapid inspection and maintenance device A specific implementation method of One end of the clamping chain 1 and the heating wire 3 is fixedly connected to the fixed lever 2, and the other end is detachably mounted on the fixed lever 2.

[0048] It should be understood that by providing a detachable clamping chain 1, it is convenient to sleeve the clamping chain 1 on the fire hydrant.

[0049] Furthermore, a chain slot 21 is provided on the side of the fixed lever 2 , and a fixing pin 22 is provided in the chain slot 21 .

[0050] It should be understood that the chain groove 21 and the fixing pin 22 are provided to facilitate fixing of the free end of the clamping chain 1 .

[0051] In some feasible embodiments, the chain groove 21 is two openings set at the end of the fixed lever 2. A rectangular spacer is fixed in the tubular fixed lever 2. The fixing pin 22 is installed on the rectangular spacer. The rectangular spacer is provided with an electrical plug hole to facilitate the connection of the free end of the heating wire 3. To ensure safe use, the rectangular spacer is made of insulating materials such as ceramics.

[0052] The embodiments of this specific implementation method are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, all equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A fire hydrant rapid inspection and maintenance device, characterized in that: include: The clamping chain (1) is wrapped around the screw thread of the fire hydrant when in use: A fixed lever (2), both ends of the clamping chain (1) being fixedly connected to one end of the fixed lever (2); A heating wire (3), the heating wire (3) being fixedly mounted on a side of the clamping chain (1), the heating wire (3) being provided with an electrical socket on the fixed lever (2); A positioning lever tube (4), the positioning lever tube (4) being slidably sleeved on the outside of the fixed lever (2); A locking screw handle (5), wherein the locking screw handle (5) is a threaded tube, threadedly connected to an end of the fixed lever (2) away from the clamping chain (1), and one end of the locking screw handle (5) abuts against the positioning lever tube (4).

2. A fire hydrant rapid inspection and maintenance device according to claim 1, characterized in that: Two fastening wheels (41) are installed at a position of the positioning wrench tube (4) close to the tightening chain (1), and the sides of the fastening wheels (41) are in contact with the tightening chain (1).

3. A fire hydrant rapid inspection and maintenance device according to claim 2, characterized in that: The fastening wheel (41) is a sprocket wheel, and the fastening wheel (41) is meshed with the clamping chain (1).

4. A fire hydrant rapid inspection and maintenance device according to claim 3, characterized in that: Two heating wires (3) are provided, and the two heating wires (3) are respectively installed on both sides of the tight hoop chain (1).

5. A fire hydrant rapid inspection and maintenance device according to claim 1, characterized in that: The fixed lever (2) is tubular, and the power connection socket is arranged at an end of the fixed lever (2) away from the clamping chain (1).

6. A fire hydrant rapid inspection and maintenance device according to claim 1, characterized in that: A limiting hole (42) is provided on the side of the positioning lever tube (4), and a limiting rod (421) is provided on the fixed lever rod (2), wherein the limiting rod (421) passes through the limiting hole (42).

7. A fire hydrant rapid inspection and maintenance device according to claim 1, characterized in that: One end of the tightening chain (1) and the heating wire (3) is fixedly connected to the fixed lever (2), and the other end is detachably mounted on the fixed lever (2).

8. A fire hydrant rapid inspection and maintenance device according to claim 7, characterized in that: A chain slot (21) is provided on the side of the fixed lever (2), and a fixing pin (22) is provided in the chain slot (21).

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