Puncture equipment for new energy automobile fire-fighting robot

Abstract

The invention discloses puncturing equipment for a new energy automobile fire-fighting robot, and relates to the field of fire rescue, the puncturing equipment comprises a tracked robot, two groups of puncturing rods are movably mounted at the top of the tracked robot, a transmission system for driving the puncturing rods to rise is arranged in the tracked robot, and each puncturing rod comprises a connecting pipe; a carbon dioxide conveying system is connected to the side face of the connecting pipe, a main pipe is arranged at the other end of the connecting pipe, an external thread groove is formed outside the main pipe, multiple sets of exhaust holes are formed in the side face of the main pipe, a puncture conical head is arranged at the end of the main pipe, and the main pipe is sleeved with a sleeve. And the movable pipe is engaged with the external thread groove. The main pipe is sleeved with the movable sleeve, the exhaust hole in the side face of the main pipe can be protected through the sleeve, the exhaust hole of the main pipe does not make contact with a battery pack shell or a battery in the puncturing process, and the risk that the exhaust hole is blocked by battery liquid or metal chippings can be reduced.

Description

Technical Field

[0001] The present invention relates to the field of fire fighting and rescue, and specifically to a puncturing device for a new energy vehicle fire fighting robot. Background Technique

[0002] The puncturing devices used in new energy vehicle fire fighting robots are usually designed to deal with electric vehicle fires, especially fires in battery systems. The devices for puncturing usually include hydraulic puncturers and mechanical puncturers.

[0003] The design of the puncturing tool usually includes a hard metal tip or a conical head that can penetrate the outer shell of the battery pack. The working principle of these puncturing devices is to use a powerful force (usually through a hydraulic system or a mechanical drive system) to penetrate the battery pack, quickly contact the inside of the battery, directly contact the battery cells or battery modules. The purpose of this puncturing action is to break the seal of the battery pack, reduce the pressure inside the battery, avoid overheating or explosion inside the battery, and at the same time cut off the isolation between the battery and the external environment, and quickly guide the heat dissipation.

[0004] The puncturing tool usually consists of a conical head made of cemented carbide and a hollow tube. The other end of the hollow tube is connected to a hydraulic assistance device or the puncturing tool is installed on a fire fighting robot for use. Multiple groups of exhaust holes for discharging fire extinguishing agents (such as dry powder, foam, water, and carbon dioxide) are arranged at the position of the conical head and the end of the hollow rod. In practical applications, the fire fighting puncturing device has many usage scenarios. It is not only used for extinguishing fires in new energy vehicles, but also for puncturing and extinguishing fires inside some entities (such as haystacks). The exhaust holes of the puncturing tool are easily blocked during the puncturing process, affecting the discharge of the fire extinguishing agent. Therefore, firefighters need to dredge and clean it after each use. Summary of the Invention

[0005] Based on this, the purpose of the present invention is to provide a puncturing device for a new energy vehicle fire fighting robot to solve the technical problems mentioned in the above background.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A puncturing device for a new energy vehicle fire fighting robot, including a tracked robot. Two groups of puncturing rods are movably installed on the top of the tracked robot, and a transmission system for driving the puncturing rods to rise is arranged inside the tracked robot. The puncturing rod includes a connecting pipe, and a carbon dioxide delivery system is connected to the side of the connecting pipe. The other end of the connecting pipe is provided with a main pipe. An external thread groove is arranged on the outside of the main pipe, multiple groups of exhaust holes are opened on the side of the main pipe, and a puncturing cone head is arranged at the end of the main pipe. A sleeve is sleeved on the outside of the main pipe, one end of the sleeve is rotatably connected to a movable pipe, and the movable pipe and the external thread groove are engaged with each other.

[0007] By adopting the above technical solution, a group of movable sleeves are sleeved on the outside of the main pipe, and the sleeves can be used to protect the exhaust holes on the sides of the main pipe. When the puncture rod penetrates an object (such as a new energy battery pack), the sleeves cover the exhaust holes of the main pipe. During the puncture process, the exhaust holes of the main pipe do not contact the battery pack shell or the battery itself, which can reduce the risk of the exhaust holes being blocked by battery fluid or metal debris. When the puncture rod enters the interior of the battery pack shell, the movable tube at one end of the sleeve is rotated, and the sleeve is withdrawn outward by the thread engagement of the movable tube with the external thread groove on the outside of the main pipe, thereby allowing the exhaust hole to leak.

[0008] The present invention is further configured such that a plurality of groups of limiting support blocks are arranged outside the main pipe, and the plurality of groups of limiting support blocks are evenly distributed, and a plurality of groups of first limiting grooves matching the limiting support blocks are arranged inside the sleeve.

[0009] Preferably, multiple sets of limiting support blocks are arranged on the outside of the main pipe and multiple sets of first limiting grooves are opened on the inside of the sleeve, so that when the movable pipe rotates, the main pipe can limit the sleeve and the limiting support blocks can support the support frame.

[0010] The present invention is further configured such that the end of the sleeve is rotatably connected to multiple groups of support frames by arranging a torsion spring, and the multiple groups of support frames correspond to the multiple groups of limit support blocks.

[0011] Preferably, multiple groups of support frames are installed by setting torsion springs, and the multiple groups of support frames are normally kept in a retracted state. The movable sleeve can open the support frame, and the reset sleeve allows the multiple groups of support frames to retract under the resetting action of the torsion spring, so as to facilitate the puncture rod to be pulled out of the battery pack.

[0012] The present invention is further configured such that the side surfaces of the plurality of groups of support frames are all provided with cutting blades.

[0013] Preferably, a cutting blade is provided on the side of the support frame, so that when the puncture rod is punctured, the outer shell of the battery pack can be cut by the cutting blade to form a notch, thereby preventing the battery pack from expanding and exploding due to heat.

[0014] The present invention is further configured such that the ends of the plurality of groups of support frames are all provided with abutment blocks, and the side surfaces of the puncture cone heads are provided with a plurality of groups of limiting holes matching the abutment blocks.

[0015] Preferably, an abutment block is provided at the end of the support frame to prevent the support frame from being over-expanded.

[0016] The present invention is further configured such that the transmission system inside the crawler robot for driving the puncture rod to rise includes a threaded rod rotatably connected to the inside of the crawler robot, and the threaded rod is connected to a first drive assembly, the external thread of the threaded rod is connected to a lifting plate, and the lifting plate is connected to the bottom of the two groups of puncture rods.

[0017] Preferably, by arranging a threaded rod, a first driving assembly and a lifting plate inside the tracked robot, the lifting plate can be used to push the puncture rod to rise for puncture work.

[0018] The present invention is further configured that the transmission system further includes two groups of guide rods arranged inside the tracked robot, and the two groups of guide rods and the lifting plate are movably penetrated.

[0019] Preferably, by arranging the guide rods, a limiting effect can be achieved on the rising of the lifting plate.

[0020] The present invention is further configured that the transmission system further includes two groups of movable sleeves rotatably connected to the outer wall of the tracked robot, and the two groups of movable sleeves are connected with a second driving assembly.

[0021] Preferably, by arranging the movable sleeves to be connected with the second driving assembly, the purpose of automatically controlling the rotation of the movable tube of the puncture rod to drive the sleeve to move is achieved.

[0022] The present invention is further configured that a plurality of groups of second limiting grooves are formed inside the movable sleeve, and a plurality of groups of limiting rods matching the second limiting grooves are arranged on the outer side of the movable tube of the puncture rod.

[0023] Preferably, by arranging the limiting rods to slide in the movable sleeves, no matter how the height of the puncture rod is adjusted, rotating the movable sleeves can drive the movable tubes to rotate.

[0024] In summary, the present invention mainly has the following beneficial effects: In the present invention, a group of movable sleeves are sleeved outside the main pipe. The sleeves can be used to protect the exhaust holes on the side of the main pipe. When the puncture rod penetrates an object (such as a new energy battery pack), the sleeves cover the exhaust holes of the main pipe. During the puncture process, the exhaust holes of the main pipe do not contact the battery pack shell or the battery itself, which can reduce the risk of the exhaust holes being blocked by battery liquid or metal debris. When the puncture rod enters the inside of the battery pack shell, by rotating the movable tube at one end of the sleeve, the sleeve is withdrawn outward by the threaded engagement between the movable tube and the external thread groove outside the main pipe, so that the exhaust holes are exposed.

[0025] In the present invention, multiple sets of rotatable support frames are arranged at the end of the sleeve. When the movable tube is rotated to move the sleeve away from the puncture cone head, that is, when the exhaust hole is exposed and the puncture rod enters the working state, the support frames will change from the contracted state to the expanded state. Multiple sets of support frames are expanded simultaneously, making the connection between the puncture rod and the battery pack housing more stable, reducing the risk of the puncture rod shaking during use. Moreover, when the multiple sets of support frames are expanded, they will move away from the puncture cone head together with the sleeve. Thus, the multiple sets of support frames can play a role in expanding the space where the exhaust hole is located. The increase in the local space where the exhaust hole is located is more conducive to the carbon dioxide extinguishing gas filling the inside of the battery pack. Description of the Drawings

[0026] Figure 1 Schematic diagram of the installation of the tracked robot and the puncture rod of the present invention; Figure 2 Schematic diagram of the internal structure of the tracked robot of the present invention; Figure 3 Schematic diagram of the installation of the puncture rod and the limit rod of the present invention; Figure 4 Schematic diagram of the distribution of the movable sleeve and the second limit groove of the present invention; Figure 5 Schematic diagram of the structure of the puncture rod of the present invention; Figure 6 Schematic diagram of the distribution of the connecting pipe, the main pipe and the external thread groove of the present invention; Figure 7 Of the present invention Figure 6 Enlarged view of part A in Figure 8 Schematic diagram of the distribution of the main pipe, the sleeve, the support frame and the puncture cone head of the present invention; Figure 9 Schematic diagram of the distribution of the sleeve and the first limit groove of the present invention; Figure 10 Schematic diagram of the distribution of the support frame and the cutting edge of the present invention; Figure 11 Schematic diagram of the expansion of multiple sets of support frames of the present invention; Figure 12 Schematic diagram of the distribution of the main pipe and the sleeve when the support frame is expanded of the present invention; Figure 13 Schematic diagram of the installation of the hydraulic assist device and the puncture rod of the present invention.

[0027] Description of the reference numerals: 1. Tracked robot; 2. Piercing rod; 201. Connecting pipe; 202. Main pipe; 203. External thread groove; 204. Limiting support block; 205. Exhaust hole; 206. Piercing cone head; 207. Limiting hole; 208. Casing; 209. Movable pipe; 210. Support frame; 211. First limiting groove; 212. Cutting blade; 213. Resistance block; 3. Hydraulic power assist device; 4. Threaded rod; 5. First driving assembly; 6. Lifting plate; 7. Guide rod; 8. Movable sleeve; 9. Second driving assembly; 10. Second limiting groove; 11. Limiting rod. DETAILED DESCRIPTION

[0028] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0029] The following describes an embodiment of the present invention based on its overall structure.

[0030] See also Figure 1 - Figure 12 A puncture device for a new energy vehicle fire-fighting robot comprises a tracked robot 1, two sets of puncture rods 2 are movably mounted on the top of the tracked robot 1, and a transmission system for driving the puncture rods 2 to rise is arranged inside the tracked robot 1, and the transmission system is used to adjust the height of the puncture rods 2, so as to achieve the purpose of the puncture rods penetrating the battery pack shell of the new energy vehicle, the puncture rod 2 comprises a connecting tube 201, and the side of the connecting tube 201 is connected to a carbon dioxide delivery system. Since there is a risk of using water to extinguish a fire in a new energy battery module, it is safer to extinguish a fire by setting a carbon dioxide delivery system. The carbon dioxide delivery system consists of a carbon dioxide gas storage tank and a delivery pump, and a main pipe 202 is arranged at the other end of a connecting pipe 201, an external thread groove 203 is arranged on the outside of the main pipe 202, and a plurality of exhaust holes 205 are opened on the side of the main pipe 202, the connecting pipe 201 and the main pipe 202 are hollow, and a puncture cone head 206 is arranged at the end of the main pipe 202, the puncture cone head 206 is made of cemented carbide, a sleeve 208 is sleeved on the outside of the main pipe 202, and one end of the sleeve 208 is rotatably connected to a movable pipe 209, and the movable pipe 209 and the external thread groove 203 are engaged with each other.

[0031] In the above embodiments, please refer to Figure 6 and Figure 9A plurality of groups of limiting support blocks 204 are arranged on the outside of the main pipe 202, and the plurality of groups of limiting support blocks 204 are evenly distributed, and a plurality of groups of first limiting grooves 211 matching the limiting support blocks 204 are arranged on the inner side of the sleeve 208. By arranging a plurality of groups of limiting support blocks 204 on the outer side of the main pipe 202 and a plurality of groups of first limiting grooves 211 on the inner side of the sleeve 208, when the movable pipe 209 rotates, the main pipe 202 can limit the sleeve 208, and the limiting support blocks 204 can also play a role in propping up the support frame 210.

[0032] In the above embodiments, please refer to Figure 5 and Figure 6 The end of the sleeve 208 is rotatably connected to multiple groups of support frames 210 by setting a torsion spring, and the multiple groups of support frames 210 correspond to the multiple groups of limiting support blocks 204. The multiple groups of support frames 210 are installed by setting a torsion spring. The multiple groups of support frames 210 are normally kept in a retracted state. The moving sleeve 208 can open the support frame 210. The resetting sleeve 208 allows the multiple groups of support frames 210 to retract under the resetting action of the torsion spring, so as to facilitate the puncture rod 2 to be pulled out of the battery pack.

[0033] In the above embodiments, please refer to Figure 10 The sides of the multiple groups of support frames 210 are all provided with cutting blades 212. By providing the cutting blades 212 on the sides of the support frames 210, when the piercing rod 2 is pierced, the cutting blades 212 can be used to cut the outer shell of the battery pack to form a notch, thereby discharging the internal air pressure of the battery pack and preventing the battery pack from expanding and exploding due to heat.

[0034] In the above embodiments, please refer to Figure 7 and Figure 10 The ends of the multiple groups of support frames 210 are all provided with resistance blocks 213, and the side of the puncture cone head 206 is provided with multiple groups of limiting holes 207 matching the resistance blocks 213. By setting the resistance blocks 213 at the ends of the support frames 210, the support frames 210 are prevented from being over-expanded.

[0035] In the above embodiments, please refer to Figure 2 The transmission system inside the crawler robot 1 for driving the puncture rod 2 to rise includes a threaded rod 4 rotatably connected to the inside of the crawler robot 1, and the threaded rod 4 is connected to a first driving assembly 5, and the threaded rod 4 is externally threadedly connected to a lifting plate 6, and the lifting plate 6 is connected to the bottom of the two groups of puncture rods 2. By arranging the threaded rod 4, the first driving assembly 5 and the lifting plate 6 inside the crawler robot 1, the lifting plate 6 can be used to push the puncture rod 2 to rise for puncture work.

[0036] In the above embodiments, please refer to Figure 2, the transmission system further includes two groups of guide rods 7 disposed inside the tracked robot 1, and the two groups of guide rods 7 and the lifting plate 6 are movably penetrated. By providing the guide rods 7, the lifting of the lifting plate 6 can be limited.

[0037] In the above embodiment, specifically, please refer to Figure 2 , the transmission system further includes two groups of movable sleeves 8 rotatably connected to the outer wall of the tracked robot 1, and the two groups of movable sleeves 8 are connected to a second driving component 9. By providing the movable sleeves 8 connected to the second driving component 9, the purpose of automatically controlling the rotation of the movable tube 209 of the puncture rod 2 to drive the movement of the sleeve 208 is achieved.

[0038] In the above embodiment, specifically, please refer to Figure 3 and Figure 4 , a plurality of second limiting grooves 10 are formed inside the movable sleeve 8, and a plurality of limiting rods 11 matching the second limiting grooves 10 are disposed on the outer side of the movable tube 209 of the puncture rod 2. By providing the limiting rods 11 to slide in the movable sleeve 8, no matter how the height of the puncture rod 2 is adjusted, rotating the movable sleeve 8 can drive the rotation of the movable tube 209.

[0039] Please refer to Figure 13 , one end of the puncture rod 2 can also be provided with a hydraulic assist device 3 for use. The hydraulic assist device 3 is installed on the puncture rod 2, so that the puncture work of the puncture rod 2 is changed to a manual assist type, which is not only convenient for carrying and operation, but also applicable to some fire extinguishing scenarios with low risks.

[0040] When the present invention is working specifically: taking Embodiment 1 as an example, when a fire occurs in the battery module of a new energy vehicle, the firefighter starts the tracked robot 1 to move to the bottom of the new energy vehicle, and starts the first driving component 5 through the control terminal. The first driving component 5 drives the threaded rod 4 to rotate, and uses the screw principle to raise the lifting plate 6, and then drives the two groups of puncture rods 2 to rise. The rise of the two groups of puncture rods 2 will synchronously drive the side limiting rods 11 to rise, and the limiting rods 11 slide in the second limiting grooves 10 of the movable sleeves 8. When the two groups of puncture rods 2 rise to a certain height, they will penetrate the outer shell of the battery pack and enter the inside of the battery module. During the puncture process, the cutting edges 212 on the sides of the plurality of support frames 210 will cut the outer shell of the battery pack, causing a notch in the battery pack to achieve the purpose of pressure relief, preventing the battery pack from expanding due to heat and exploding. Then, start the second driving component 9 to drive the two groups of movable sleeves 8 to rotate, and the movable sleeves 8 drive the rotation of the movable tube 209 of the puncture rod 2 by driving the plurality of limiting rods 11.

[0041] When the movable tube 209 of the puncture rod 2 rotates, the movable tube 209 and the external thread groove 203 are threadedly engaged. Since there is a limiting relationship between the sleeve 208 and the limiting support block 204, the movable tube 209 will drive the sleeve 208 away from the puncture cone head 206. The sleeve 208 initially moves to make the resistance block 213 at the end of the multiple support frames 210 withdraw from the limiting hole 207. When the multiple support frames 210 lose the limiting effect of the limiting hole 207, as the sleeve 208 continues to move, the multiple limit support blocks 204 will be in the first limit groove of the sleeve 208. 211 until the multiple groups of limit support blocks 204 force the multiple groups of support frames 210 to open. When the multiple groups of support frames 210 are opened to a certain angle, the abutment blocks 213 at the ends thereof abut against the outer wall of the main pipe 202. That is, the multiple groups of support frames 210 are opened to the maximum angle. The multiple groups of support frames 210 will move away from the puncture cone head 206 while being opened. Therefore, the multiple groups of support frames 210 can not only increase the firmness of the connection between the puncture rod 2 and the battery pack shell, but also increase the local space where the exhaust hole 205 is located.

[0042] After the puncture rod 2 completes puncture and debugging, the carbon dioxide fire extinguishing system connected to the puncture rod 2 is started, and carbon dioxide gas of a certain pressure and concentration is transported inside the connecting tube 201 and the main tube 202, and then ejected from multiple groups of exhaust holes 205 at multiple angles. The space where the exhaust holes 205 are located is increased due to the action of the multiple groups of support frames 210, and then the carbon dioxide gas quickly fills the interior of the battery module to achieve the purpose of fire extinguishing.

[0043] When the battery module is extinguished and the puncture rod 2 needs to be removed, the movable tube 209 is rotated in the opposite direction according to the above steps to reset the sleeve 208, and the multiple support frames 210 will shrink under the resetting action of the torsion spring. As the sleeve 208 moves, the multiple support frames 210 are engaged with the resistance block 213 at the end to limit the hole 207, and then the lifting plate 6 is driven to descend to pull out the puncture rod 2.

[0044] Although an embodiment of the present invention has been shown and described, this specific embodiment is merely an explanation of the present invention and is not a limitation of the invention. The specific features, structures, materials or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions and variations to the embodiments without creative contributions as needed without departing from the principles and purpose of the present invention. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

Claims

1. A puncture device for a new energy vehicle fire-fighting robot, comprising a tracked robot (1), characterized in that: Two groups of puncture rods (2) are movably installed on the top of the tracked robot (1), and a transmission system for driving the puncture rods (2) to rise is arranged inside the tracked robot (1). The puncture rod (2) includes a connecting pipe (201), a carbon dioxide delivery system is connected to the side of the connecting pipe (201), and a main pipe (202) is arranged at the other end of the connecting pipe (201). An external thread groove (203) is arranged on the outside of the main pipe (202), a plurality of exhaust holes (205) are formed in the side of the main pipe (202), and a puncture cone head (206) is arranged at the end of the main pipe (202). A sleeve (208) is sleeved outside the main pipe (202), one end of the sleeve (208) is rotatably connected to a movable pipe (209), and the movable pipe (209) engages with the external thread groove (203).

2. The puncture device for a new energy vehicle fire-fighting robot according to claim 1, characterized in that: A plurality of limiting support blocks (204) are arranged on the outside of the main pipe (202), and the plurality of limiting support blocks (204) are evenly distributed. A plurality of first limiting grooves (211) matching the limiting support blocks (204) are formed inside the sleeve (208).

3. The puncture device for a new energy vehicle fire-fighting robot according to claim 2, characterized in that: A plurality of support frames (210) are rotatably connected to the end of the sleeve (208) through a torsion spring, and the plurality of support frames (210) correspond to the plurality of limiting support blocks (204).

4. A puncturing device for a new energy vehicle fire fighting robot according to claim 3, characterized in that: Cutting edges (212) are arranged on the sides of the plurality of support frames (210).

5. The puncturing device for a new energy vehicle fire-fighting robot according to claim 4, characterized in that: Contact blocks (213) are arranged at the ends of the plurality of support frames (210), and a plurality of limiting holes (207) matching the contact blocks (213) are formed in the side of the puncture cone head (206).

6. The puncture device for a new energy vehicle fire-fighting robot according to claim 5, wherein: The transmission system for driving the puncture rod (2) to rise inside the tracked robot (1) includes a threaded rod (4) rotatably connected inside the tracked robot (1), the threaded rod (4) is connected with a first driving component (5), a lifting plate (6) is threadedly connected to the outside of the threaded rod (4), and the lifting plate (6) is connected to the bottoms of the two puncture rods (2).

7. The puncturing device for a new energy vehicle fire-fighting robot according to claim 6, characterized in that: The transmission system further includes two guide rods (7) arranged inside the tracked robot (1), and the two guide rods (7) are movably penetrated through the lifting plate (6).

8. A puncturing device for a new energy vehicle fire-fighting robot according to claim 7, characterized in that: The transmission system further includes two movable sleeves (8) rotatably connected to the outer wall of the tracked robot (1), and the two movable sleeves (8) are connected with a second driving component (9).

9. The puncturing device for a new energy vehicle fire-fighting robot according to claim 8, characterized in that: A plurality of second limiting grooves (10) are formed inside the movable sleeve (8), and a plurality of limiting rods (11) matching the second limiting grooves (10) are arranged on the outside of the movable pipe (209) of the puncture rod (2).

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