Fire-fighting pipeline under-pressure punching device

By adopting external fixed connection method and telescopic components in the fire-fighting pipe pressure drilling device, the problem of welding short pipes destroying the integrity of the pipeline is solved, and a safe and reliable drilling operation is achieved.

CN222919668UActive Publication Date: 2025-05-30QUANZHOU TIANYI CONSTR CO LTD
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Patent Information

Application Number
CN202421396768.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-19
Publication Date
2025-05-30
Estimated Expiration
2034-06-19

AI Technical Summary

Technical Problem

The existing fire-fighting pipe pressure drilling device is connected by welding short pipes, which will damage the integrity of the pipe and pose a safety hazard of weld cracking.

Method used

The external fixed connection method is adopted, and the connecting component replaces the welded short pipes for connection. The fixing component fixes the hole punching machine on the connecting component, and the telescopic component adjusts the drill bit length to achieve hole punching operation without welding damage.

Benefits of technology

The drilling work is carried out without destroying the integrity of the fire-fighting pipe, which avoids the problem of weld cracking during subsequent use and improves the safety of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of fire-fighting pipelines, in particular to a pressure punching device for a fire-fighting pipeline, and solves the technical problems that a short pipe connected with an existing auxiliary punching device is welded, so that the integrity of the pipeline is damaged, and certain potential safety hazards exist in use. According to the technical scheme, the fire-fighting pipeline under-pressure punching device comprises a punching machine, a handle, a telescopic assembly, a connecting assembly, a fixing assembly and an anti-pinch assembly, wherein the punching machine is formed by combining a drill bit, a shell and a motor; according to the fire-fighting pipeline under-pressure punching device, an existing fire-fighting pipeline under-pressure punching device is improved, the connecting assembly capable of replacing a short pipe connected with a punching machine and the fire-fighting pipeline in a welding mode is additionally arranged, punching work is carried out on the premise that the integrity of the fire-fighting pipeline is not damaged, the problem of weld joint cracking in the follow-up using process is solved, and the working efficiency is improved. The problems that a short pipe connected with an existing auxiliary punching device is welded, the integrity of a pipeline can be damaged, and certain potential safety hazards exist in the using process are solved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of fire fighting pipelines, and particularly relates to a pressure - punching device for fire fighting pipelines. Background Art

[0002] In fire fighting equipment, fire fighting pipelines, which are used to connect fire fighting equipment and appliances and convey fire fighting water, gas or other media, are essential and important components in fire fighting pipelines. In actual life applications, due to the need for real - time control, some devices for collecting data such as pressure and temperature need to be installed on fire fighting pipelines, and a punching device is often required to make holes in the pipelines.

[0003] Currently, existing pressure - punching devices for fire fighting pipelines often connect with the punching device through a short pipe welded to the pipeline. However, the scheme of welding the short pipe damages the integrity of the original pipeline. During the later use process, the weld seam is prone to cracking, posing certain potential safety hazards.

[0004] Therefore, aiming at the problem that the short pipe used to assist the connection of the punching device in the existing one is welded, which will damage the integrity of the pipeline and is prone to weld seam cracking during use, the existing pressure - punching device for fire fighting pipelines is improved, and an external - fixing connection method is set for it to carry out the punching work without damaging the integrity of the pipeline. Summary of the Utility Model

[0005] In order to overcome the problem that the short pipe used to connect the existing auxiliary punching device is welded, which will damage the integrity of the pipeline and pose certain potential safety hazards during use.

[0006] The technical solution of the utility model is as follows: A pressure - punching device for fire fighting pipelines includes a punching machine composed of a drill bit, a housing and a motor, a handle, a telescopic component, a connecting component, a fixing component, and an anti - pinching component; a drill bit is arranged on the front side of the fire fighting pipeline, the outside of the drill bit is wrapped with a housing, a motor is installed on the housing, a handle is installed outside the housing, a telescopic component for adjusting the length of the drill bit is arranged inside the housing, a connecting component is sleeved outside the fire fighting pipeline, a fixing component is arranged on the connecting component and the punching machine, and an anti - pinching component is installed inside the connecting component.

[0007] Preferably, by improving the existing pressure - punching device for fire fighting pipelines, a connecting component is set to replace the short pipe originally welded to the fire fighting pipeline for connection, without damaging the integrity of the pipeline and improving the safety during later use. The punching machine can be conveniently held through the handle, the fixing component fixes the punching machine on the connecting component, and the telescopic component can change the length of the drill bit.

[0008] Preferably, the telescopic assembly includes a telescopic rod and a telescopic column; a telescopic rod connected to the motor transmission element is arranged inside the housing, a telescopic column is movably connected inside the telescopic rod, and a drill bit is fixedly connected to the bottom end of the telescopic column. By moving the telescopic column inside the telescopic rod, the position of the telescopic column in the housing is changed, so as to achieve the effect of changing the position of the drill bit installed on the telescopic column.

[0009] Preferably, the telescopic assembly further includes a chute and a slider; chutes opposite to each other left and right are arranged inside the telescopic rod, a slider matching the chute is movably connected inside the chute, the telescopic column is fixedly connected between the two sliders, and an electric propulsion device is installed inside the telescopic rod. By driving the slider to move inside the chute through the propulsion device, the effect of changing the length of the drill bit is achieved.

[0010] Preferably, the connection assembly includes a connection ring, a connection pipe, and a valve; a connection ring cut from a fireproof EVA plate is closely attached to the outside of the pipeline, a connection pipe is fixedly connected to the outside of the connection ring, and a valve is inserted into the connection pipe. The fireproof EVA plate has a certain deformation ability and can be bent according to the pipeline into a suitable shape. At the same time, the fireproof EVA plate can prevent being eroded by fire compared with ordinary EVA plates. The valve can be used to connect a new pipeline, which is convenient for subsequent use without removing the connection assembly.

[0011] Preferably, the connection assembly further includes a fixing plate; a fixing plate is arranged on the other side of the pipeline. Anchoring holes are provided on both the fixing plate and the connection ring, and fixing bolts are inserted into the anchoring holes. Nuts are screwed onto the fixing bolts. The connection ring can be fixed to the outside of the pipeline through the fixing bolts and the fixing plate, which is convenient for installing a drilling machine or a pipeline subsequently.

[0012] Preferably, the fixing component includes a fixing ring and a threaded rod; a fixing ring is fixedly connected to the outside of the valve, a hole groove is provided on the fixing ring, a threaded rod is fixedly connected to the housing, and the threaded rod is inserted into the hole groove. A fixing nut is screwed onto one side of the fixing ring. By screwing the nut onto the threaded rod and closely attaching to the fixing ring, the effect of fixing the drilling machine in front of the valve is achieved, with precise positioning and convenient for drilling work.

[0013] Preferably, the anti-pinch component includes a storage groove, a first protective pad, and a second protective pad. A storage groove is provided inside the fixing ring, a first protective pad is installed inside the storage groove, and a second protective pad closely attached to the outer wall of the pipeline is bonded to the fixing plate. The first protective pad and the second protective pad are made of soft materials such as rubber or silica gel, which can form a buffer between the connection assembly and the fire pipeline to avoid the connection assembly pinching the fire pipeline. The first protective pad can also play a sealing role to avoid water leakage. At the same time, the fireproof EVA plate has a certain waterproof ability and can also play a sealing role.

[0014] The beneficial effects of the present utility model:

[0015] 1. By improving the existing pressure - punching device for fire - fighting pipelines, a connecting component is added that can replace the short pipe welded to the fire - fighting pipeline to assist in connecting the punching machine and the fire - fighting pipeline. By fixing the connecting component on the outer side of the fire - fighting pipeline and then fixing the punching machine to the connecting component through the fixing component, the punching work can be carried out without damaging the integrity of the fire - fighting pipeline, avoiding the problem of weld cracking during subsequent use.

[0016] 2. By sliding the slider in the chute, the position of the telescopic rod connected to the drill bit inside the housing can be changed, thereby changing the length of the drill bit, which is convenient for adjusting the length of the drill bit according to valves of different lengths. Description of the Drawings

[0017] Figure 1 Shown is the first three - dimensional structure schematic diagram of the pressure - punching device for fire - fighting pipelines of the present utility model;

[0018] Figure 2 Shown is the first three - dimensional structure schematic diagram of the telescopic component of the pressure - punching device for fire - fighting pipelines of the present utility model;

[0019] Figure 3 Shown is the second three - dimensional structure schematic diagram of the telescopic component of the pressure - punching device for fire - fighting pipelines of the present utility model;

[0020] Figure 4 Shown is the three - dimensional structure schematic diagram of the connecting component of the pressure - punching device for fire - fighting pipelines of the present utility model;

[0021] Figure 5 Shown is the three - dimensional structure schematic diagram of the connecting component and the anti - pinching component of the pressure - punching device for fire - fighting pipelines of the present utility model;

[0022] Figure 6 Shown is the three - dimensional structure schematic diagram of the punching machine of the pressure - punching device for fire - fighting pipelines of the present utility model.

[0023] Explanation of the reference numerals in the drawings: 1. Drill bit; 2. Housing; 3. Motor; 4. Handle; 501. Telescopic rod; 502. Telescopic column; 503. Chute; 504. Slider; 601. Connecting ring; 602. Connecting pipe; 603. Valve; 604. Fixed plate; 701. Fixed ring; 702. Threaded rod; 801. Receiving groove; 802. First protective pad; 803. Second protective pad. Detailed Embodiment

[0024] The present utility model will be further described below in conjunction with the drawings and embodiments.

[0025] Please refer to Figure 1-2, the present utility model provides an embodiment: a pressure - punching device for a fire - fighting pipeline includes a punching machine composed of a drill bit 1, a housing 2 and a motor 3, a handle 4, a telescopic component, a connecting component, a fixing component, and an anti - pinching component; a drill bit 1 is arranged on the front side of the fire - fighting pipeline, the outside of the drill bit 1 is wrapped with a housing 2, a motor 3 is installed on the housing 2, a handle 4 is installed outside the housing 2, a telescopic component for adjusting the length of the drill bit 1 is arranged inside the housing 2, a connecting component is sleeved outside the fire - fighting pipeline, a fixing component is arranged on the connecting component and the punching machine, and an anti - pinching component is installed inside the connecting component. By improving the existing pressure - punching device for a fire - fighting pipeline, a connecting component is set to replace the short pipe originally welded on the fire - fighting pipeline for connection, without damaging the integrity of the pipeline, improving the safety of later use. The punching machine can be conveniently held through the handle 4, the fixing component fixes the punching machine on the connecting component, and the telescopic component can change the length of the drill bit 1.

[0026] Please refer to Figure 2-3 , in this embodiment, the telescopic component includes a telescopic rod 501 and a telescopic column 502; a telescopic rod 501 connected to the transmission element of the motor 3 is arranged inside the housing 2, a telescopic column 502 is movably connected inside the telescopic rod 501, the bottom end of the telescopic column 502 is fixedly connected to the drill bit 1. The telescopic component further includes a chute 503 and a slider 504; chutes 503 opposite to each other left and right are opened on the inner side of the telescopic rod 501, and a slider 504 matching the chute 503 is movably connected inside the chute 503. The telescopic column 502 is fixedly connected between the two sliders 504. By moving the telescopic column 502 inside the telescopic rod 501, the position of the telescopic column 502 inside the housing 2 is changed, thereby achieving the effect of changing the position of the drill bit 1 installed on the telescopic column 502. An electric propulsion device is installed inside the telescopic rod 501, and the propulsion device drives the slider 504 to move inside the chute 503, thereby achieving the effect of changing the length of the drill bit 1.

[0027] Please refer to Figure 4-6, in this embodiment, the connection assembly includes a connection ring 601, a connection pipe 602, and a valve 603; a connection ring 601 cut from a fireproof EVA board is closely attached to the outer side of the pipe. A connection pipe 602 is fixedly connected to the outer side of the connection ring 601, and a valve 603 is inserted into the connection pipe 602. The connection assembly further includes a fixing plate 604; a fixing plate 604 is arranged on the other side of the pipe. Anchoring holes are formed in both the fixing plate 604 and the connection ring 601. A fixing bolt is inserted into the anchoring hole, and a nut is screwed onto the fixing bolt. The fixing assembly includes a fixing ring 701 and a threaded rod 702; a fixing ring 701 is fixedly connected to the outer side of the valve 603. A hole groove is formed in the fixing ring 701, and a threaded rod 702 is fixedly connected to the housing 2. The threaded rod 702 is inserted into the hole groove. A fixing nut is screwed onto one side of the fixing ring 701. The anti-pinching assembly includes a storage groove 801, a first protective pad 802, and a second protective pad 803. A storage groove 801 is formed in the fixing ring 701, and a first protective pad 802 is installed in the storage groove 801. A second protective pad 803 that closely adheres to the outer wall of the pipe is adhered to the fixing plate 604. The fireproof EVA board has a certain deformation ability and can be bent according to the shape of the pipe. At the same time, the fireproof EVA board can prevent being eroded by fire compared with ordinary EVA boards. The valve 603 can be used to connect a new pipe, which is convenient for subsequent use without removing the connection assembly. The connection ring 601 can be fixed to the outer side of the pipe through the fixing bolt and the fixing plate 604, which is convenient for installing a drilling machine or a pipe subsequently. By screwing the nut onto the threaded rod 702 and closely adhering to the fixing ring 701, the effect of fixing the drilling machine in front of the valve 603 can be achieved, with accurate positioning and convenient drilling work. The first protective pad 802 and the second protective pad 803 are made of soft materials such as rubber or silicone, which can form a buffer between the connection assembly and the fire-fighting pipe to avoid the connection assembly pinching the fire-fighting pipe. The first protective pad 802 can also play a sealing role to avoid water leakage. At the same time, the fireproof EVA board has a certain waterproof ability and can also play a sealing role.

[0028] When working, first, the staff takes out the connection ring 601 made of EVA. At this time, the connection ring 601 is not in a circular shape. One end of it is closely attached to the outer wall of the pipe, and then it is bent so that the connection ring 601 and the first protective pad 802 in the storage groove 801 closely adhere to the outer wall of the pipe. Then, the fixing plate 604 is closely attached to the other side. The fixing bolt is taken out and passed through the anchoring holes formed in the connection ring 601 and the fixing plate 604, and the nut is tightened for fixation. Then, the valve 603 is taken out and inserted into the connection pipe 602;

[0029] Lift the punching machine by the handle 4 so that the threaded rod 702 on its housing 2 passes through the hole slot, tighten the nut to fix the punching machine on the hole slot, and then start the punching machine. The propulsion structure installed in the telescopic rod 501 pushes the slider 504 to slide in the chute 503, thereby driving the telescopic column 502 and the drill bit 1 installed on the telescopic column 502 to extend forward until it contacts the outer wall of the pipeline. Start the motor 3, and the motor 3 drives the drill bit 1 to rotate to punch holes in the fire pipeline;

[0030] After the punching is completed, loosen the nut, remove the punching machine from in front of the valve 603, and install the new pipeline with the valve 603.

[0031] Through the above steps, the existing fire pipeline pressure punching device is improved by adding a connection component that can replace the short pipe welded to the fire pipeline to assist in connecting the punching machine and the fire pipeline. By fixing the connection component on the outside of the fire pipeline, and then fixing the punching machine to the connection component through the fixing component, the punching work can be carried out without damaging the integrity of the fire pipeline, avoiding the problem of weld cracking during subsequent use, so as to solve the problem that the short pipe connected by the existing auxiliary punching device by welding will damage the integrity of the pipeline and there are certain safety hazards during use.

[0032] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the purpose of the present invention.

Claims

1. A fire-fighting pipe pressure punching device, comprising a punching machine composed of a drill bit (1), a housing (2) and a motor (3); characterized in that: It also includes a handle (4), a telescopic component, a connecting component, a fixing component, and an anti-pinch component; a drill bit (1) is arranged on the front side of the fire-fighting pipe, the outer side of the drill bit (1) is wrapped with a shell (2), a motor (3) is installed on the shell (2), a handle (4) is installed outside the shell (2), a telescopic component for adjusting the length of the drill bit (1) is arranged inside the shell (2), a connecting component is sleeved on the outer side of the fire-fighting pipe, and the connecting component includes a connecting ring (601), a connecting pipe (602), and a valve (603); a connecting ring (601) cut from a fireproof EVA sheet is tightly attached to the outer side of the pipe, a connecting pipe (602) is fixedly connected to the outer side of the connecting ring (601), and a valve (603) is inserted into the connecting pipe (602). 03), the connection component also includes a fixing plate (604); a fixing plate (604) is arranged on the other side of the pipeline, and anchor holes are provided on the fixing plate (604) and the connecting ring (601), and fixing bolts are inserted into the anchor holes, and nuts are screwed on the fixing bolts. A fixing component is arranged on the connection component and the punching machine, and the fixing component includes a fixing ring (701) and a threaded rod (702); a fixing ring (701) is fixedly connected to the outside of the valve (603), and a hole groove is provided on the fixing ring (701), and a threaded rod (702) is fixedly connected to the outer shell (2), and the threaded rod (702) is inserted into the hole groove, and a fixing nut is screwed on one side of the fixing ring (701), and an anti-pinch component is installed in the connection component.

2. The fire-fighting pipe pressure punching device according to claim 1 is characterized in that: The telescopic assembly comprises a telescopic rod (501) and a telescopic column (502); the telescopic rod (501) connected to a transmission element of a motor (3) is arranged in the housing (2); the telescopic column (502) is movably connected in the telescopic rod (501); and the bottom end of the telescopic column (502) is fixedly connected to a drill bit (1).

3. The fire-fighting pipe pressure punching device according to claim 2 is characterized in that: The telescopic assembly further comprises a slide groove (503) and a slider (504); the inner side of the telescopic rod (501) is provided with slide grooves (503) opposite to each other on the left and right sides, the slide groove (503) is movably connected with a slider (504) matching the slide groove (503), and the telescopic column (502) is fixedly connected between the two sliders (504).

4. The fire-fighting pipe pressure punching device according to claim 1, characterized in that: The anti-pinch component comprises a receiving groove (801), a No. 1 protection pad (802), and a No. 2 protection pad (803). The receiving groove (801) is provided in the fixing ring (701), the No. 1 protection pad (802) is installed in the receiving groove (801), and the No. 2 protection pad (803) is bonded to the fixing plate (604) and is in close contact with the outer wall of the pipeline.