Explosion-proof fire extinguishing device and explosion-proof inspection robot
By installing explosion-proof sealed telescopic devices on the inspection robot, the potential explosion risk of electric telescopic mechanisms in chemical plants has been resolved, achieving efficient fire extinguishing and improved safety.
Patent Information
- Application Number
- CN202422045768.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-22
- Publication Date
- 2025-11-04
- Estimated Expiration
- 2034-08-22
AI Technical Summary
In Class II explosive environments such as chemical plants, the electric telescopic mechanism of the inspection robot may generate electric sparks or high temperatures, which could cause flammable and explosive materials to burn or explode, posing a safety hazard.
The telescopic device is sealed with explosion-proof components, including explosion-proof parts and support parts. The explosion-proof components, consisting of an explosion-proof shell and end caps, shield the high temperature or electric sparks generated during the operation of the telescopic device inside, and improve the fire extinguishing efficiency when combined with the spraying components.
This effectively prevents the surrounding environment from being ignited or exploded, improving the fire extinguishing efficiency and safety of the inspection robot.
Smart Images

Figure CN223504752U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fire protection equipment technology, and in particular to an explosion-proof fire extinguishing device and an explosion-proof inspection robot. Background Technology
[0002] In industries such as petroleum, chemicals, natural gas, and chlor-alkali, companies need to invest significant manpower in inspections to prevent potential production safety risks. However, in practice, problems such as false positives and missed positives that are prone to occur during manual inspections have been a persistent problem for these companies.
[0003] With the emergence of new-generation technologies such as artificial intelligence, the Internet of Things, and big data, replacing manual inspections with robots is gradually becoming a major trend in the digital transformation and high-quality development of high-risk industries. The application of inspection robots in Class II explosive environments such as chemical plants, replacing manual inspections, is of great significance in reducing labor intensity, lowering labor risks, and improving production safety.
[0004] During autonomous movement, the inspection robot can inspect for fire hazards in the chemical plant environment. Based on temperature field information collected by thermal imaging cameras and smoke concentration detected by smoke sensors, it intelligently identifies and judges the results, promptly detecting fires. When a fire is encountered, the fire extinguisher on the inspection robot is activated via an electric telescopic mechanism, allowing the robot to extinguish the fire immediately upon discovery, thus preventing fires from developing.
[0005] However, chemical plants contain flammable and explosive materials such as combustible dust or gases, which may ignite or explode upon contact with sparks or at certain temperatures, causing serious consequences. Electric telescopic mechanisms are electrical products; their operation and operation may generate electrical sparks, potentially igniting the surrounding environment or causing an explosion, posing a safety hazard. Utility Model Content
[0006] The purpose of this invention is to provide an explosion-proof fire extinguishing device that seals the telescopic device with explosion-proof components to prevent the surrounding environment from being ignited or exploded during the operation of the telescopic device.
[0007] To achieve the above objectives, the present invention adopts the following technical solution: an explosion-proof fire extinguishing device, comprising a fire extinguisher, a telescopic device, and an explosion-proof component. The fire extinguisher is mounted on an inspection robot, the telescopic device is mounted on the inspection robot and its telescopic part corresponds to the switch position of the fire extinguisher, and the explosion-proof component is sleeved on the outside of the telescopic device.
[0008] The technical principle of this utility model is as follows:
[0009] By sealing the telescopic device with explosion-proof components, the high temperature or electrical sparks generated during the operation of the telescopic device can be shielded within the explosion-proof components.
[0010] Furthermore, the explosion-proof component includes an explosion-proof part fitted over the telescopic device and a support part for supporting the telescopic device.
[0011] Furthermore, the explosion-proof part includes an upper cover, an explosion-proof housing, and a lower cover. The lower cover is fixedly installed on the support. The telescopic device is located between the upper cover and the lower cover, and the telescopic device abuts against the lower cover. The telescopic device is also fixedly installed on the upper cover. The telescopic shaft of the telescopic device passes through the lower cover and abuts against the fire extinguisher. The explosion-proof housing is sleeved on the telescopic device. One side of the explosion-proof housing abuts against the lower cover. The upper cover is fixedly installed on the other side of the explosion-proof housing. The side wall of the explosion-proof housing has a cable outlet hole. An end cap is fixedly installed at the cable outlet hole. A connection hole communicating with the cable outlet hole is opened on the end cap. An explosion-proof gland is fixedly installed at the connection hole.
[0012] Furthermore, the support includes a bracket, a valve positioning block, a first pressure plate and a second pressure plate. The valve positioning block is fitted onto the nozzle of the fire extinguisher. The first pressure plate and the second pressure plate are two semicircles with equal radii. The first pressure plate and the second pressure plate are connected end to end to form a complete circle. The first pressure plate and the second pressure plate are both fixedly installed on the lower cover, and the first pressure plate and the second pressure plate abut against the valve positioning block. One side of the bracket is fixedly installed on the fire extinguisher, and the explosion-proof shell is fixedly installed on the bracket.
[0013] Furthermore, the lower cover is stepped, and the explosion-proof shell is configured to cooperate with the stepped lower cover.
[0014] Furthermore, it also includes a spraying assembly, which is mounted on the inspection robot, and spray nozzles are installed between the fire extinguishers of the spraying assembly.
[0015] Furthermore, the spraying assembly includes a rotating device, a rotating base, and a nozzle. The rotating device is fixedly mounted on the inspection robot, the explosion-proof shell is fitted onto the rotating device, the rotating base is horizontally fixedly mounted on the rotating shaft of the rotating device, and the nozzle is fixedly mounted on the rotating base, with the nozzle connected to the spray pipe.
[0016] Another objective of this invention is to provide an explosion-proof inspection robot that can be equipped with an explosion-proof fire extinguishing device to perform inspection and fire extinguishing tasks.
[0017] To achieve the above objectives, the present invention adopts the following technical solution: an explosion-proof inspection robot, including the explosion-proof fire extinguishing device as described above.
[0018] The beneficial effects of this utility model are as follows:
[0019] 1. The explosion-proof component seals the telescopic device, shielding the high temperature or electric sparks generated during the operation of the telescopic device within the explosion-proof component, thereby preventing the surrounding environment from being ignited or causing an explosion.
[0020] 2. The stepped design improves the sealing effect of the explosion-proof enclosure, further preventing the surrounding environment from being ignited or exploding.
[0021] 3. By setting up the spraying components, fire can be extinguished from multiple directions, which can improve the fire extinguishing efficiency of the inspection robot. Attached Figure Description
[0022] Figure 1 This is a structural diagram of the inspection robot;
[0023] Figure 2 This is a schematic diagram of the internal structure of the inspection robot;
[0024] Figure 3 This is a structural diagram of explosion-proof components and a fire extinguisher.
[0025] Figure 4 This is a structural diagram of the explosion-proof component;
[0026] Figure 5 This is a schematic diagram of the internal structure of the explosion-proof component;
[0027] Figure 6 This is a schematic diagram of the valve positioning block.
[0028] Figure 7 This is a schematic diagram of the lower cover structure;
[0029] Figure 8 This is a schematic diagram of the explosion-proof enclosure.
[0030] Figure 9 This is a cross-sectional view of the explosion-proof enclosure;
[0031] Figure 10 This is a schematic diagram of the spraying assembly.
[0032] In the above attached figures:
[0033] 1. Inspection robot; 2. Fire extinguisher; 3. Telescopic device;
[0034] 4. Explosion-proof components; 401. Top cover; 402. Bottom cover; 403. Flameproof enclosure; 404. End cap; 405. Explosion-proof gland;
[0035] 406. Bracket; 4061. Mounting sleeve; 4062. Connecting strip; 4063. Fixing sleeve; 4064. Support strip;
[0036] 407. Valve positioning block; 408. First pressure plate; 409. Second pressure plate; 410. Seal;
[0037] 5. Spraying assembly; 501. Rotating device; 502. Rotating base; 503. Spray nozzle; 504. Explosion-proof housing;
[0038] 6. Mounting bracket; 7. Nozzle. Detailed Implementation
[0039] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments; the structures described in various embodiments can be freely combined without conflict in terms of structure or principle.
[0040] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0041] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0042] The following description, in conjunction with the accompanying drawings, describes some embodiments of the present invention:
[0043] like Figure 1 and Figure 2 As shown, this utility model proposes an explosion-proof fire extinguishing device, including a fire extinguisher 2, a telescopic device 3 and an explosion-proof component 4. The fire extinguisher 2 is mounted on the inspection robot 1, the telescopic device 3 is mounted on the inspection robot 1 and its telescopic part corresponds to the switch position of the fire extinguisher 2, and the explosion-proof component 4 is sleeved on the outside of the telescopic device 3.
[0044] The telescopic device 3 can be a telescopic motor, an electric telescopic pole, etc. For ease of installation and stability of the device, a telescopic motor is preferred. The telescopic device 3 is sealed by the explosion-proof component 4, thereby shielding the high temperature or electric sparks generated during the operation of the telescopic device 3 within the explosion-proof component 4.
[0045] Furthermore, such as Figures 3-5 As shown, the explosion-proof component 4 includes an explosion-proof part sleeved on the outside of the telescopic device 3 and a support part for supporting the telescopic device 3. The explosion-proof part includes an upper cover 401, an explosion-proof housing 403, and a lower cover 402. The lower cover 402 is fixedly installed on the support part. The telescopic device 3 is disposed between the upper cover 401 and the lower cover 402, and the telescopic device 3 abuts against the lower cover 402. The telescopic device 3 is fixedly installed on the upper cover 401. The telescopic shaft of the telescopic device 3 passes through the lower cover 402 and abuts against the fire extinguisher 2. The explosion-proof housing 403 is sleeved on the outside of the telescopic device 3. The lower side of the explosion-proof housing 403 abuts against the lower cover 402. The upper cover 401 is fixedly installed on the upper side of the explosion-proof housing 403. The side wall of the explosion-proof housing 403 has a cable outlet hole. An end cap 404 is fixedly installed at the cable outlet hole. The end cap 404 has a connection hole communicating with the cable outlet hole. An explosion-proof gland 405 is fixedly installed at the connection hole. The lower cover 402 is stepped, and the explosion-proof housing 403 is configured to cooperate with the stepped lower cover 402.
[0046] The upper cover 401, explosion-proof housing 403, and lower cover 402 seal the telescopic device 3, preventing the electric arc / sparks generated during operation or energization from igniting flammable materials in the environment or causing an explosion. The power and control cables of the telescopic device 3 can be connected externally through the connection holes and cable outlet holes. The explosion-proof gland 405 serves to introduce cables and fix their position, thus achieving a sealing and explosion-proof function. It boasts advantages such as superior explosion-proof performance, reliable and safe structure, simple and convenient installation, and high protection level.
[0047] The lower cover 402 is positioned on the upper side of the fire extinguisher 2, supporting the telescopic device 3. The telescopic device 3 abuts against the lower cover 402, and the electric telescopic shaft of the telescopic device 3 passes through the lower cover 402 and abuts against the nozzle of the fire extinguisher 2. The telescopic device 3 is used to open the fire extinguisher 2. The lower side of the interior of the explosion-proof housing 403 is stepped. The explosion-proof housing 403 is fitted onto the lower cover 402. The combination of the explosion-proof housing 403 and the stepped lower cover 402 improves the sealing effect of the explosion-proof housing 403, further preventing the surrounding environment from being ignited or exploding. At the same time, the upper side of the explosion-proof housing 403 and the upper side of the telescopic device 3 are fixedly installed on the upper cover 401. Through the upper cover 401, the lower cover 402, and the explosion-proof housing 403, the telescopic device 3 can be sealed, shielding the high temperature or electric sparks generated during the operation of the telescopic device 3 within the explosion-proof assembly 4, thereby preventing the surrounding environment from being ignited or exploding.
[0048] Furthermore, such as Figures 3-9As shown, the support includes a bracket 406, a valve positioning block 407, a first pressure plate 408 and a second pressure plate 409. The valve positioning block 407 is fitted onto the nozzle of the fire extinguisher 2. The first pressure plate 408 and the second pressure plate 409 are two semicircles with equal radii. The first pressure plate 408 and the second pressure plate 409 are connected end to end to form a complete circle. The first pressure plate 408 and the second pressure plate 409 are both fixedly installed on the lower cover 402, and the first pressure plate 408 and the second pressure plate 409 abut against the valve positioning block 407. The lower side of the bracket 406 is fixedly installed on the fire extinguisher 2, and the explosion-proof shell 403 is fixedly installed on the bracket 406.
[0049] The valve positioning block 407 is fitted onto the nozzle of the fire extinguisher 2, and the lower side of the valve positioning block 407 abuts against the body of the fire extinguisher 2 to form a bottom support. A seal 410 is fitted onto the lower side of the valve positioning block 407. The material of the seal 410 can be rubber, plastic, iron, steel, etc., but steel seal 410 is preferred here. Steel seal 410 is stable and can reduce the impact of the environment on the seal 410. The seal 410 can further tighten the connection between the valve positioning block 407 and the fire extinguisher 2.
[0050] The first pressure plate 408 and the second pressure plate 409 are both fixedly installed on the lower side of the lower cover 402, and the first pressure plate 408 and the second pressure plate 409 abut against the side wall of the valve positioning block 407. The first pressure plate 408 and the second pressure plate 409 are connected end to end to form a complete circle. The first pressure plate 408 and the second pressure plate 409 can not only make the connection between the valve positioning block 407 and the fire extinguisher 2 tighter, but also strengthen the support of the lower cover 402 for the telescopic device 3.
[0051] The bracket 406 is L-shaped, with its vertical side mounted on the fire extinguisher 2. The explosion-proof housing 403 is fixedly installed on the horizontal side of the bracket 406. The bracket 406 makes the explosion-proof fire extinguishing device more stable.
[0052] Furthermore, such as Figure 10 As shown, it also includes a spraying assembly 5, which is mounted on the inspection robot 1. A spray pipe 7 is installed between the fire extinguishers 2 in the spraying assembly 5, and an explosion-proof housing 504 is installed on the spraying assembly 5. The spraying assembly 5 includes a rotating device 501, a rotating base 502, and a nozzle 503. The rotating device 501 is fixedly mounted on the inspection robot 1, the explosion-proof housing 504 is sleeved on the rotating device 501, the rotating base 502 is horizontally fixedly mounted on the rotating shaft of the rotating device 501, and the nozzle 503 is fixedly mounted on the rotating base 502 and is connected to the spray pipe 7.
[0053] The rotating device 501 can be a rotating motor, a turntable, etc., but is preferably a rotating motor. The explosion-proof housing 504, fitted over the rotating device 501, prevents the high temperatures or electrical sparks generated during operation from being trapped within the explosion-proof component 4, thus preventing the surrounding environment from being ignited or exploding. The rotating device 501 drives the rotating base 502 to move horizontally, increasing the fire extinguishing range and thereby improving the fire extinguishing efficiency of the inspection robot 1.
[0054] like Figure 2 and Figure 3 As shown, an explosion-proof inspection robot includes an explosion-proof fire extinguishing device as described above. The number of explosion-proof fire extinguishing devices is greater than 1, preferably two. The two sets of explosion-proof fire extinguishing devices are symmetrically arranged along the vertical center plane of the inspection robot 1. An installation frame 6 is fixedly installed on the inspection robot 1, and a bracket 406 is fixedly installed on the installation frame 6.
[0055] The fire extinguisher 2 can be fixedly installed onto the inspection robot 1 via the mounting bracket 6. The bracket 406 includes a mounting sleeve 4061, a connecting strip 4062, a fixing sleeve 4063, and two L-shaped support strips 4064. The two support strips 4064 are arranged in parallel, and their vertical sides are fixedly installed on both sides of the mounting sleeve 4061. The connecting strip 4062 is located at the corner of the two support strips 4064. The fixing sleeve 4063 is fixedly installed on the horizontal side of the support strip 4064 by bolts. The bracket 406 is fitted onto the mounting bracket 6 via the mounting sleeve 4061 and fixedly installed on the mounting bracket 6 by bolts. The height of the bracket 406 is adjustable. The explosion-proof housing 403 is fixedly installed between the two support strips 4064 by bolts. The clamping degree of the support strips 4064 on the explosion-proof housing 403 can be adjusted by the fixing sleeve 4063.
Claims
1. An explosion-proof fire extinguishing device, characterized in that, It includes a fire extinguisher (2), a telescopic device (3) and an explosion-proof component (4). The fire extinguisher (2) is installed on the inspection robot (1). The telescopic device (3) is installed on the inspection robot and its telescopic part corresponds to the switch position of the fire extinguisher (2). The explosion-proof component (4) is sleeved on the outside of the telescopic device (3). The explosion-proof component (4) includes an explosion-proof part sleeved on the outside of the telescopic device (3) and a support part for supporting the telescopic device (3); The explosion-proof part includes an upper cover (401), an explosion-proof shell (403), and a lower cover (402). The lower cover (402) is fixedly installed on the support. The telescopic device (3) is located between the upper cover (401) and the lower cover (402). The telescopic device (3) abuts against the lower cover (402), and the telescopic device (3) is fixedly installed on the upper cover (401). The telescopic shaft of the telescopic device (3) passes through the lower cover (402) and can abut against the fire extinguisher (2). An explosion-proof enclosure (403) is fitted over the telescopic device (3). One side of the explosion-proof enclosure (403) abuts against the lower cover (402), and the upper cover (401) is fixedly installed on the other side of the explosion-proof enclosure (403). A wire outlet hole is opened on the side wall of the explosion-proof enclosure (403), and an end cap (404) is fixedly installed at the wire outlet hole. A connection hole communicating with the wire outlet hole is opened on the end cap (404), and an explosion-proof gland (405) is fixedly installed at the connection hole.
2. The explosion-proof fire extinguishing device according to claim 1, characterized in that, The support includes a bracket (406), a valve positioning block (407), a first pressure plate (408), and a second pressure plate (409). The valve positioning block (407) is fitted onto the nozzle of the fire extinguisher (2). The first pressure plate (408) and the second pressure plate (409) are two semicircles with equal radii. The first pressure plate (408) and the second pressure plate (409) are connected end to end to form a complete circle. The first pressure plate (408) and the second pressure plate (409) are both fixedly installed on the lower cover (402), and the first pressure plate (408) and the second pressure plate (409) abut against the valve positioning block (407). One side of the bracket (406) is fixedly installed on the fire extinguisher (2), and the explosion-proof shell (403) is fixedly installed on the bracket (406).
3. The explosion-proof fire extinguishing device according to claim 2, characterized in that, The lower cover (402) is stepped, and the explosion-proof shell (403) is configured to cooperate with the stepped lower cover (402).
4. An explosion-proof fire extinguishing device according to any one of claims 1 to 3, characterized in that, It also includes a spraying assembly (5), which is mounted on the inspection robot (1), and a spray pipe (7) is provided between the spraying assembly (5) and the fire extinguisher (2).
5. The explosion-proof fire extinguishing device according to claim 4, characterized in that, The spraying assembly (5) includes a rotating device (501), a rotating seat (502), and a nozzle (503). The rotating device (501) is fixedly installed on the inspection robot (1), and the explosion-proof shell (504) is fitted on the rotating device (501). The rotating seat (502) is horizontally fixedly installed on the rotating shaft of the rotating device (501), and the nozzle (503) is fixedly installed on the rotating seat (502) and is connected to the spray pipe (7).
6. An explosion-proof inspection robot, characterized in that, Includes the explosion-proof fire extinguishing device as described in any one of claims 1 to 5.