Foam fire extinguishing device suitable for explosion-proof environment of coal mine
By employing a cross-bracing and damping rod structure for vibration reduction in the foam fire extinguishing device, and by installing a rotatable protective plate on the nozzle, the problems of easy damage and nozzle clogging in the coal mine environment are solved, thus achieving the stability and dustproof effect of the device.
Patent Information
- Application Number
- CN202520136750.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-21
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-01-21
AI Technical Summary
Existing foam fire extinguishing devices lack shock absorption protection in the explosion-proof environment of coal mines, making them prone to damage. Furthermore, the nozzles lack dust protection and are easily clogged by dust.
A device comprising a trolley and a foam fire extinguisher was designed, employing a cross-distributed support and damping rods in conjunction with a spring structure for shock absorption, and a rotatable protective plate at the nozzle for dust protection.
It effectively reduces damage to the device in bumpy environments, prevents nozzles from being clogged by dust, and ensures the normal use and safety of the device.
Smart Images
Figure CN223781471U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to foaming fire extinguishing device technical field, concretely is a kind of foaming fire extinguishing device suitable for coal mine explosion-proof environment. BACKGROUND
[0002] Foaming fire extinguisher is needed in coal mine explosion-proof environment, and the foam sprayed by the foaming fire extinguisher has good covering performance and extinguishing performance, which can quickly cover and cool the fire source, thereby achieving the purpose of extinguishing fire. For liquid, solid fuel and gas fire with fast burning speed, the extinguishing effect of the foaming fire extinguisher is more significant than other fire extinguishers.
[0003] In the prior art, foaming fire extinguishing devices need to be kept in coal mine work sites to improve safety awareness, but the foaming fire extinguishing devices currently used do not have good shock absorption protection measures when in use. When moving or carrying in the coal mine work site, the foaming fire extinguishing device is easily damaged due to the bumping of the ground. Moreover, the foaming fire extinguishing device in the prior art does not have good dust protection measures at the nozzle when not in use. The coal mine work site has a lot of dust, and the extinguishing device is easily clogged by the nozzle when stored for a long time. UTILITY MODEL CONTENTS
[0004] The utility model aims to provide a foaming fire extinguishing device suitable for coal mine explosion-proof environment to solve the problems raised in the background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a foaming fire extinguishing device suitable for coal mine explosion-proof environment, comprising a cart and a foaming fire extinguisher. An installation rack is arranged above the cart. Two groups of symmetrically distributed first supports are arranged between the installation rack and the cart. Two groups of symmetrically distributed second supports are arranged between the installation rack and the cart. The first supports and the second supports are cross-distributed. First sliding blocks are rotatably installed at both ends of the first supports. Second sliding blocks are rotatably installed at both ends of the second supports. First damping rods are fixedly installed on the first sliding blocks and the second sliding blocks. First springs are sleeved on the first damping rods. Multiple groups of symmetrically distributed second damping rods are arranged between the installation rack and the cart. Second springs are sleeved on the second damping rods. An installation seat is fixedly installed at the left end of the foaming fire extinguisher. Multiple groups of annularly distributed protective plates are rotatably installed on the installation seat.
[0006] As a further preferred embodiment of the present technical solution, four groups of symmetrically distributed rollers are arranged below the cart. The foaming fire extinguisher is fixedly installed on the installation rack. The ends of the first damping rods, away from the first sliding blocks and the second sliding blocks, are fixedly connected with the corresponding cart or installation rack. The ends of the first springs are fixedly connected with the ends of the corresponding first damping rods.
[0007] As a further preferred of the technical solution, the trolley and the mounting frame are fixedly provided with two groups of symmetrically distributed slide rods, the first support is slidably connected with the mounting frame and the trolley through a first sliding block, the second support is slidably connected with the mounting frame and the trolley through a second sliding block, and the first sliding block and the second sliding block are slidably sleeved with corresponding slide rods.
[0008] As a further preferred of the technical solution, the slide rods are sleeved with two groups of symmetrically distributed third springs, and the two ends of the third spring are fixedly connected with corresponding first sliding blocks or second sliding blocks and slide rods.
[0009] As a further preferred of the technical solution, the two ends of the second damping rod are fixedly connected with the mounting frame and the trolley, and the two ends of the second spring are fixedly connected with the two ends of the second damping rod.
[0010] As a further preferred of the technical solution, the mounting seat is provided with a mounting groove, the mounting groove is provided with a mounting ring, the mounting ring is rotatably connected with the mounting seat through a bearing, and a gear ring is fixedly sleeved on the mounting ring.
[0011] As a further preferred of the technical solution, a plurality of protection plates are rotatably connected with the mounting seat through mounting shafts, gears are sleeved on the mounting shafts, and the plurality of gears are meshingly connected with the gear ring.
[0012] The utility model provides a kind of foam fire extinguishing device suitable for coal mine explosion-proof environment, with following
[0013] Beneficial effects:
[0014] (1) the utility model discloses a second damping rod cooperates second spring, and the cooperation of first sliding block and second sliding block on first support, second support and first damping rod and first spring realizes the shock absorption anti-bumping protection of foam fire extinguisher fixedly installed on mounting frame above trolley, reduces the possibility of failure of foam fire extinguishing device when using due to the bumping of ground or external force impact of external environment in relatively harsh use environment.
[0015] (2) the utility model discloses mounting seat and the dustproof and impurity protection of multiple annular distribution protection plates on mounting seat realize for foam fire extinguisher nozzle, avoid the covering or blockage of nozzle of fire extinguishing device caused by larger dust or impurity in air when using in coal mine explosion-proof environment, and then the influence caused by normal use of fire extinguishing device. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the overall structure schematic view of the utility model;
[0017] Figure 2 Structure diagram of the protective plate of the utility model;
[0018] Figure 3 Structure diagram of the first support of the utility model;
[0019] Figure 4 Structure diagram of the utility model Figure 3 Structure enlarged view of A place;
[0020] In the figure: 1, cart; 2, gyro wheel; 3, mounting frame; 4, foam fire extinguisher; 5, mounting seat; 6, mounting groove; 7, mounting ring; 8, bearing; 9, protective plate; 10, mounting shaft; 11, gear; 12, first support; 13, second support; 14, first sliding block; 15, second sliding block; 16, slide bar; 17, third spring; 18, first damping rod; 19, first spring; 20, second damping rod; 21, second spring; 22, gear ring. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.
[0022] The utility model provides technical schemes: such as Figure 1 , Figure 3 and Figure 4As shown in the embodiment, a foam fire extinguishing device suitable for coal mine explosion-proof environment includes a cart 1 and a foam fire extinguisher 4, the cart 1 is provided with a mounting frame 3, two groups of symmetrically distributed first supports 12 are arranged between the mounting frame 3 and the cart 1, two groups of symmetrically distributed second supports 13 are arranged between the mounting frame 3 and the cart 1, the two groups of first supports 12 and the second supports 13 are cross-distributed, the two ends of the first support 12 are rotatably installed with first sliding blocks 14, the two ends of the second support 13 are rotatably installed with second sliding blocks 15, the first sliding blocks 14 and the second sliding blocks 15 are fixedly installed with first damping rods 18, the first damping rods 18 are sleeved with first springs 19, a plurality of groups of symmetrically distributed second damping rods 20 are arranged between the mounting frame 3 and the cart 1, the second damping rods 20 are sleeved with second springs 21, the left end of the foam fire extinguisher 4 is fixedly installed with a mounting seat 5, a plurality of groups of annularly distributed protective plates 9 are rotatably installed on the mounting seat 5, when the cart 1 drives the foam fire extinguisher 4 to run on the bumpy road, the mounting frame 3 and the foam fire extinguisher 4 above will have a tendency to move upward or downward when subjected to external force, the first springs 19, the second springs 21 and the third springs 17 immediately deform to absorb the energy of the external force, and have a tendency to restore to the original state, four groups of symmetrically distributed rollers 2 are arranged below the cart 1, the foam fire extinguisher 4 is fixedly installed on the mounting frame 3, the ends of the first damping rods 18 away from the first sliding blocks 14 and the second sliding blocks 15 are respectively fixedly connected with the corresponding cart 1 or mounting frame 3, the two ends of the first spring 19 are respectively fixedly connected with the two ends of the corresponding first damping rod 18, two groups of symmetrically distributed sliding rods 16 are fixedly installed in the cart 1 and the mounting frame 3, the first supports 12 are respectively slidably connected with the mounting frame 3 and the cart 1 through the first sliding blocks 14, the second supports 13 are respectively slidably connected with the mounting frame 3 and the cart 1 through the second sliding blocks 15, the first sliding blocks 14 and the second sliding blocks 15 are respectively slidably sleeved with the corresponding sliding rods 16, two groups of symmetrically distributed third springs 17 are sleeved on the sliding rods 16, the two ends of the third springs 17 are respectively fixedly connected with the corresponding first sliding blocks 14 or second sliding blocks 15 and sliding rods 16, the two ends of the second damping rods 20 are respectively fixedly connected with the mounting frame 3 and the cart 1, the two ends of the second spring 21 are respectively fixedly connected with the two ends of the second damping rod 20, and the first spring 19 and the second spring 21 are inhibited from rebounding and shocking after absorbing the shock under the action of the first damping rod 18 and the second damping rod 20, the impact from the road and the acceleration of vibration attenuation are inhibited, thereby improving the running smoothness of the cart 1 and the foam fire extinguisher 4 above.
[0023] As Figure 1 and Figure 2As shown, the mounting seat 5 is provided with a mounting groove 6, the mounting groove 6 is provided with a mounting ring 7, the mounting ring 7 is rotatably connected with the mounting seat 5 through a bearing 8, a gear ring 22 is fixedly sleeved on the mounting ring 7, a plurality of protection plates 9 are rotatably connected with the mounting seat 5 through mounting shafts 10, the mounting shafts 10 are sleeved with gears 11, the plurality of gears 11 are meshingly connected with the gear ring 22, when the fire extinguishing device is not used, the rotation of a mounting shaft 10 is driven by the motor in the mounting seat 5, the corresponding gear 11 is synchronously rotated when the mounting shaft 10 rotates, the gear 11 is meshingly connected with the gear ring 22, so that the mounting ring 7 is rotated in the mounting groove 6 when the gear 11 rotates, the plurality of gears 11 meshingly connected with the gear ring 22 drive the corresponding mounting shaft 10 to synchronously rotate, the plurality of protection plates 9 synchronously rotate inward until the mounting seat 5 is closed, and the dust and impurity protection of the nozzle of the fire extinguishing device when the fire extinguishing device is not used is realized.
[0024] The utility model provides a kind of foam fire extinguishing device suitable for coal mine explosion-proof environment, specific working principle is as follows: when trolley 1 propels the foam fire extinguisher 4 to travel on bumpy road surface, mounting rack 3 and upper foam fire extinguisher 4 are produced upward or downward movement tendency when being subjected to external force, first spring 19, second spring 21 and third spring 17 immediately produce deformation, and the tendency of restoring original shape is used to absorb external force energy, and the shock and impact from road surface when first spring 19 and second spring 21 are inhibited after shock absorption are inhibited under the action of first damping rod 18 and second damping rod 20, vibration attenuation is accelerated, so as to improve the travel smoothness of trolley 1 and upper foam fire extinguisher 4, when the fire extinguishing device is not used, the rotation of a mounting shaft 10 is driven by the motor in the mounting seat 5, the corresponding gear 11 is synchronously rotated when the mounting shaft 10 rotates, the gear 11 is meshingly connected with the gear ring 22, so that the mounting ring 7 is rotated in the mounting groove 6 when the gear 11 rotates, the plurality of gears 11 meshingly connected with the gear ring 22 drive the corresponding mounting shaft 10 to synchronously rotate, the plurality of protection plates 9 synchronously rotate inward until the mounting seat 5 is closed, and the dust and impurity protection of the nozzle of the fire extinguishing device when the fire extinguishing device is not used is realized.
[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A foam fire extinguishing apparatus suitable for use in an explosion- proof environment in a coal mine, comprising a trolley (1) and a foam fire extinguisher (4), characterised in that: The trolley (1) is provided with a mounting rack (3) above, two groups of symmetrically distributed first supports (12) are arranged between the mounting rack (3) and the trolley (1), two groups of symmetrically distributed second supports (13) are arranged between the mounting rack (3) and the trolley (1), the two groups of first supports (12) and the second supports (13) are cross-distributed, first sliding blocks (14) are rotatably arranged at the two ends of the first support (12), second sliding blocks (15) are rotatably arranged at the two ends of the second support (13), first damping rods (18) are fixedly arranged on the first sliding blocks (14) and the second sliding blocks (15), first springs (19) are sleeved on the first damping rods (18), a plurality of groups of symmetrically distributed second damping rods (20) are arranged between the mounting rack (3) and the trolley (1), second springs (21) are sleeved on the second damping rods (20), a mounting seat (5) is fixedly arranged at the left end of the foam fire extinguisher (4), a plurality of groups of annularly distributed protective plates (9) are rotatably arranged on the mounting seat (5).
2. The foam fire extinguishing device suitable for coal mine explosion-proof environment according to claim 1, characterized in that: The trolley (1) is provided with four groups of symmetrically distributed rollers (2) below, the foam fire extinguisher (4) is fixedly arranged on the mounting rack (3), the first damping rods (18) are fixedly connected with the corresponding trolley (1) or mounting rack (3) at the ends away from the first sliding blocks (14) and the second sliding blocks (15), and the two ends of the first spring (19) are fixedly connected with the two ends of the corresponding first damping rod (18).
3. The foam fire extinguishing device suitable for coal mine explosion-proof environment according to claim 1, characterized in that: The trolley (1) and the mounting rack (3) are both fixedly provided with two groups of symmetrically distributed sliding rods (16), the first supports (12) are slidably connected with the mounting rack (3) and the trolley (1) through the first sliding blocks (14), the second supports (13) are slidably connected with the mounting rack (3) and the trolley (1) through the second sliding blocks (15), and the first sliding blocks (14) and the second sliding blocks (15) are slidably sleeved with the corresponding sliding rods (16).
4. The foam fire extinguishing device suitable for use in an explosion- proof environment of a coal mine according to claim 3, characterized in that: The sliding rods (16) are sleeved with two groups of symmetrically distributed third springs (17), and the two ends of the third spring (17) are fixedly connected with the corresponding first sliding block (14) or second sliding block (15) and sliding rod (16).
5. The foam fire extinguishing device suitable for use in an explosion-proof environment of a coal mine according to claim 1, characterized in that: The two ends of the second damping rod (20) are fixedly connected with the mounting rack (3) and the trolley (1), and the two ends of the second spring (21) are fixedly connected with the two ends of the second damping rod (20).
6. The foam fire extinguishing device suitable for use in an explosion-proof environment of a coal mine according to claim 1, characterized in that: The mounting seat (5) is provided with a mounting groove (6) therein, the mounting groove (6) is provided with a mounting ring (7), the mounting ring (7) is rotatably connected with the mounting seat (5) through a bearing (8), and a gear ring (22) is fixedly sleeved on the mounting ring (7).
7. The foam fire extinguishing device suitable for use in an explosion- proof environment of a coal mine according to claim 1, characterized in that: A plurality of groups of protective plates (9) are rotatably connected with the mounting seat (5) through mounting shafts (10), the mounting shafts (10) are sleeved with gear wheels (11), and a plurality of groups of gear wheels (11) are meshedly connected with the gear ring (22).