CN117679691B - Automatic fire extinguishing alarm system for mining vehicle - Google Patents
Automatic fire extinguishing alarm system for mining vehicle Download PDFInfo
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- CN117679691B CN117679691B CN202410138349.5A CN202410138349A CN117679691B CN 117679691 B CN117679691 B CN 117679691B CN 202410138349 A CN202410138349 A CN 202410138349A CN 117679691 B CN117679691 B CN 117679691B
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- 238000009434 installation Methods 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 8
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Abstract
The invention relates to the field of signal alarm devices, in particular to an automatic fire extinguishing alarm system of a mining vehicle, which structurally comprises a control cabinet and a detector surrounding a carriage, wherein the control cabinet and a vehicle system are connected with an injection assembly, the injection assembly comprises a plurality of sprayers, the top end of each sprayer is provided with a protective cover, and a moving assembly is used for driving the sprayers to lift and move in the protective cover.
Description
Technical Field
The invention relates to the field of signal alarm devices, in particular to an automatic fire extinguishing alarm system of a mining vehicle.
Background
The fire causes of the transportation vehicle when the coal is transported in the mine are various, wherein most common is fire caused by long-time overload operation of the vehicle, overheat of an engine, oil circuit or circuit fault and the like, the fire is continued by coal dust and combustible gas in the mine environment and coal transported in a hopper, meanwhile, when the coal with spontaneous combustion tendency in the coal in the hopper encounters oxygen in the air, the heat generated by oxidation is greater than the heat dissipated to the surrounding environment, and the fire occurs when the heat is gathered so that the temperature of the coal rises to reach the ignition point.
In order to ensure the safety of the transport vehicle and personnel, the transport vehicle is often provided with a fire extinguisher, when a fire occurs, a driver can extinguish the fire on the transport vehicle through the fire extinguisher, and the fire extinguishing mode has hysteresis quality, can be found after a certain time of fire, has high risk, and has low flame extinguishing speed, so that a new problem is not generated rapidly and easily.
Disclosure of Invention
The invention provides an automatic fire extinguishing alarm system of a mining vehicle, which structurally comprises a control cabinet arranged on a carriage and a detector arranged around the carriage, wherein the detector is in signal connection and electric connection with the control cabinet and a vehicle system, the detector comprises an ultraviolet sensing head, a temperature sensing head and a temperature sensing wire, the ultraviolet sensing head is arranged at a position higher than the top end of the carriage content on the carriage, the temperature sensing head is distributed around the edge of the carriage, and the temperature sensing wire is arranged around the edge of the carriage;
the control cabinet and the vehicle system are also connected with a spraying assembly for spraying the fire extinguishing medium, the spraying assembly comprises a plurality of sprayers, the tank body of each sprayer is filled with the fire extinguishing medium and is provided with a solid-gas conversion agent, the top end of each sprayer is provided with a protective cover which is hinged on a carriage, the protective cover covers the carriage and is matched with the outer wall of the carriage to cover the nozzle of each sprayer, and the spraying assembly further comprises a mounting beam, and the sprayers are mounted on the mounting beam;
a hook is arranged on a carriage at the interval between the sprayers;
the bottom end of the mounting beam is provided with a moving assembly for driving the sprayer to lift and move, the moving assembly comprises a base plate arranged on a carriage below the spraying assembly, the top end and the bottom end of the base plate are respectively provided with a horizontal pushing starting beam and a vertical driven beam which move horizontally through rail pieces in a sliding mode, the horizontal pushing starting beam is connected with a horizontal oil cylinder, the driven beam is provided with a sliding seat, and the horizontal pushing starting beam is connected with the sliding seat through a pulling rod;
the base plate is provided with a vertical guide vertical groove, the sliding seat is clamped in the guide vertical groove through a guide pulley in a sliding manner, and vertically slides with the driven beam on the guide vertical groove by pulling of the tension rod, and a jacking column is fixedly connected between the mounting beam and the driven beam to enable the mounting beam and the driven Liang Tongbu to vertically slide.
Further, the horizontal height of the top edge of the protective cover is lower than the edge of the top edge of the carriage, the nozzle of the tank body is positioned at the top end of the tank body, and the moving assembly drives the sprayer to lift so that the nozzle of the sprayer extends out of the protective cover or is retracted into the coverage range of the protective cover.
Further, the hinge connection part of the protective cover is a hinge part, the side end of the protective cover is a vertical top inclined part, the top end of the tank body is a lifting part, and the lifting part is propped against the top inclined part and enables the protective cover to have a trend of unfolding and rotating by taking the hinge part as a fulcrum; the side end of the tank body is provided with a side supporting part, the side supporting part fills a gap between the side end of the tank body and the side end of the protective cover, and the descending side supporting part props against the side end of the protective cover and enables the protective cover to have a tendency of closing rotation by taking the hinge part as a fulcrum.
Further, the horizontal height of the bottom end of the side support part in the closed protective cover is lower than that of the hinge part; the vertical distance between the jacking part and the top inclined part is larger than the vertical distance between the bottom end of the side supporting part and the hinge part.
Further, a transverse guide transverse groove is formed in the base plate and is communicated with the top end of the guide vertical groove, and the guide transverse groove extends towards the moving direction of the transverse pushing starting beam driving the sliding seat to ascend at the top end of the guide vertical groove; the sliding seat is arranged on the driven beam in a sliding way through the track piece so as to perform horizontal movement, and the driven beam and the guide transverse groove provide a space for the sliding seat and the guide pulley to perform horizontal movement; the top of the base plate is provided with a top box, a linkage assembly is arranged in the top box, and the sliding seat moving horizontally is matched with the linkage assembly to drive the sprayer to rotate.
Further, the tank body is movably mounted on the mounting beam through a mounting seat, the mounting seat can be rotatably mounted on the mounting beam around a vertical axis, a driven pin is arranged at the bottom end of the mounting seat close to a carriage, and the driven pin penetrates into the hollow mounting beam; a displacement driving beam is arranged in the mounting beam, and an elastic piece is arranged between the two ends of the displacement driving beam and the inner wall of the mounting beam and used for driving a displacement driver Liang Fuwei; the sliding seat is arranged on the guide transverse groove, the sliding seat is driven to the deflection driving beam through the linkage assembly, the deflection driving beam is provided with a poking groove, and the driven pin is inserted into the poking groove, so that the horizontal movement of the deflection driving beam drives the driven pin to drive the installation seat to swing through the poking groove.
Further, the linkage assembly comprises an outer tube and a position-reaching connecting rod which is hinged with the outer tube, the other end of the position-reaching connecting rod is hinged with the bottom end of the mounting beam, the bottom end of the outer tube is hinged with the top box, the outer tube and the position-reaching connecting rod form a scissor type connecting rod structure, the top box and the mounting beam are mutually far away to drive the outer tube in the scissor type connecting rod structure to be vertical, the top box at the bottom end of the outer tube and the mounting beam at the top end of the outer tube are both provided with open mouths which are communicated with the inside, the bottom end of the outer tube which is vertical is extended downwards from the open mouths of the top box, and the top end of the outer tube is extended into the mounting beam; the outer tube bottom is equipped with drive gear and the top is equipped with drive gear, thereby drive gear and drive gear carry out the coupling and carry out synchronous motion in the outer tube, the slide top is equipped with drive rack and meshes with the drive gear of vertical outer tube on the direction transverse slot, be equipped with movable fluting in the drive roof beam that shifts and be equipped with the drive tooth face in movable fluting, thereby drive gear meshes with the drive tooth face and drives the drive roof beam that shifts and carry out horizontal migration.
Further, the nozzle of the sprayer is vertical to the side surface of the carriage, the teeth continuously arranged on the driving gear occupy one third to one half of the outer circumference of the driving gear, the driving tooth surfaces are arranged on the two sides in the movable slot, and the teeth on the driving gear swinging to the movable slot are positioned in the middle of the driving tooth surfaces on the two sides; the driving tooth surfaces are in a rotationally symmetrical shape taking the center of the driving gear as the symmetry center on two sides of the movable slot; the drive gear oscillated into the movable slot has a drive tooth surface in a rotational direction in which rotation is started to engage therewith.
Further, the mounting seat and the sprayer on the mounting beam are divided into a left group and a right group, and the width of the poking groove is larger than the diameter of the driven pin; the width of the poking groove is gradually increased from the middle of the two groups of installation seats to the two sides, the distance from one side, close to the middle position of the two groups of installation seats, in the poking groove to the driven pin is larger than the distance from the other side of the poking groove to the driven pin, and the distance from one side, close to the middle position of the two groups of installation seats, in the poking groove to the driven pin is gradually increased from the middle of the two groups of installation seats to the two sides.
Further, the horizontal height of the bottom end of the side end of the protective cover is lower than that of the hinge part, the width of the protective cover is larger than the diameter of the tank body of the sprayer, the bottom of the side end of the protective cover is provided with a side opening, and the unfolded side opening of the protective cover is in clearance fit with the tank body; the side support parts are propped against the side surfaces of the protective covers on two sides of the side openings, the side support parts in the protective covers are propped against the side surfaces of the side support parts, and the bottom ends of the side support parts are located in the range of the side surfaces of the protective covers.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, the detector is arranged on the carriage and is matched with the control cabinet and the vehicle system to monitor the ignition condition of the carriage in real time, the spraying component driven by the moving component is arranged as the output end, when the device is not used, the spraying device is lowered into the protective cover to cover and protect the nozzle at the top end of the spraying device, so that the effect of fire extinguishing is prevented from being influenced by the nozzle of the spraying device blocked by ore dust, when the carriage content is on fire, the oil cylinder pushes the transverse pushing starting beam to drive the driven beam to move upwards by using the pulling rod, and the driven beam drives the mounting beam to lift by the jacking column, so that the mounting beam supports the tank body to lift the protective cover to a required height, the fire extinguishing medium in the tank body is sprayed to extinguish the ignition area, and other problems caused by untimely fire extinguishing are avoided.
2. According to the invention, the top of the guide vertical groove for guiding the sliding seat to ascend is provided with the guide transverse groove, so that the oil cylinder can be continuously pushed forwards and keep the original moving direction, the sliding seat can be driven to move in the horizontal direction guided by the guide transverse groove, then the installation beam is internally provided with the deflection driving beam for driving the installation seat to swing and is matched with the sliding seat through the linkage assembly, when the sprayer ascends to a specified position, the installation beam and the top box drive the outer tube to be unfolded, the transmission gear and the driving gear respectively enter the range of the driving rack of the sliding seat and the driving tooth surface of the deflection driving beam, the sliding seat horizontally moves on the guide transverse groove to enable the driving rack to drive the transmission gear to rotate, the driving gear and the transmission gear synchronously rotate to drive the deflection driving beam to horizontally move, and the driving pin is further stirred through the stirring groove to drive the installation seat and the sprayer to swing, so that the sprayer is intensively swung to a fire centralized area, and fire extinguishing operation is better.
3. The invention presets that the nozzle of each sprayer points to the carriage vertically to the side of the carriage, sets the driving gear as an incomplete gear, and rotationally symmetrically sets the driving tooth surfaces on the two sides in the movable slot by taking the center of the driving gear as a symmetrical center, so that the driving gear can be respectively meshed with the driving tooth surfaces on the two sides in a single rotation and then drive the driving beam to move, thereby respectively enabling the sprayer pointing to the middle part of the carriage to start to swing intensively from pointing to one side of the carriage, then return to the position pointing to the middle part and swing intensively to the other side of the carriage, thereby enabling the one-way pushing of the oil cylinder to be converted into the two-way movement of the driving beam, enabling the sprayer to have larger coverage area on the whole middle part and enabling the fire extinguishing range to be more accurate and concentrated when the sprayer is shifted to the two sides.
4. The sprayers on the mounting beam are divided into a left group and a right group, the width of the poking groove is gradually increased from the middle of the two groups of mounting seats to the two sides, the distance from one side, close to the middle position of the two groups of mounting seats, of the poking groove to the driven pin is larger than the distance from the other side of the poking groove to the driven pin, and the distance from one side, close to the middle position of the two groups of mounting seats, of the poking groove to the driven pin is gradually increased from the middle of the two groups of mounting seats to the two sides, so that the swinging range of the sprayers far away from the target direction is larger, and the swinging range of the sprayers close to the target area is smaller, and the sprayers are better directed to the target area.
Drawings
Fig. 1 is an overall schematic diagram of an automatic fire suppression alarm system for a mining vehicle according to the present invention.
Fig. 2 is a schematic three-dimensional structure of the automatic fire extinguishing alarm system of the present invention mounted on a vehicle cabin.
Fig. 3 is a block diagram of the structure and flow of the automatic fire extinguishing alarm system of the present invention.
FIG. 4 is a schematic three-dimensional view of the spray assembly of the present invention mated with a portion of the moving assembly.
Fig. 5 is a schematic view showing a state in which the shower of the present invention is extended from the protective cover.
Fig. 6 is a schematic side view of the spray assembly and the moving assembly of the present invention.
Fig. 7 is a schematic side view of the entire moving assembly of the present invention in an operating state.
FIG. 8 is a schematic three-dimensional view of the linkage assembly of the present invention in linkage engagement with a carriage and a deflection drive beam.
Fig. 9 is a schematic top view of the mount of the present invention driven by the displacement driving beam to swing and swing amplitude difference.
In the figure: A. a carriage; a1, hooking; 1. a control cabinet; 2. a detector; 3. an oil cylinder; 4. a jetting assembly; 5. a moving assembly;
21. an ultraviolet induction head; 22. a temperature sensing head; 23. a temperature sensing line;
41. a sprayer; 42. mounting a beam; 43. a protective cover;
411. a tank body; 412. a solid-gas converter; 413. a jacking portion; 414. a side support part; 421. a mounting base; 422. a displacement driving beam; 423. movable slotting; 424. a drive tooth surface; 425. a toggle groove; 426. an elastic member; 421a, follower pins; 43a, top diagonal; 43b, side notches; 43c, a hinge portion;
51. a substrate; 52. a track member; 53. a driven beam; 54. a top column; 55. a transverse pushing start beam; 56. pulling the rod; 57. a slide; 58. a linkage assembly;
51a, guide vertical grooves; 51b, a guide transverse groove; 51c, top box; 571. a guide pulley; 572. a drive rack; 581. an outer tube; 582. a reaching connecting rod; 583. a transmission gear; 584. and a drive gear.
Detailed Description
The following description of the embodiments of the present invention will be made more complete and less obvious to those skilled in the art, based on the embodiments of the present invention, for a part, but not all of the embodiments of the present invention, without making any inventive effort.
Embodiments, as shown in fig. 1-9: the invention provides an automatic fire extinguishing alarm system of a mining vehicle, which is arranged around a carriage A, and comprises a control cabinet 1 arranged on the carriage A and a detector 2 arranged around the carriage A, for example, as shown in figures 1-3, wherein the control cabinet 1 is arranged in the interval between the front end of the carriage A and a vehicle head, the detector 2 is arranged around the top edge of the carriage A, the arranged detector 2 is in signal connection and electric connection with the control cabinet 1 and a vehicle system, the control cabinet 1 and the vehicle system can both receive signals of the detector 2, the control cabinet 1 is in signal connection and electric connection with the vehicle system, a driver can sense the states of the detector 2 and the control cabinet 1 in the vehicle, a standby battery is also arranged in the control cabinet 1 in the embodiment, and is used for preventing the power supply failure when the vehicle system goes wrong, in this embodiment, the detector 2 includes an ultraviolet sensing head 21, a temperature sensing head 22 and a temperature sensing wire 23, the ultraviolet sensing head 21 is installed on the carriage a at a position higher than the top end of the carriage a, for example, the front end of the carriage a in fig. 1 and 2 has a raised high baffle for separating the carriage a from the carriage a, the carriage a without the high baffle can also be installed in the form of a bracket for the ultraviolet sensing head 21, it is known that the ultraviolet sensing head 21 is used for detecting flame, which is triggered by ultraviolet light, the common diffusion flame can generate ultraviolet radiation light with enough intensity for easy identification, the temperature sensing head 22 for sensing temperature is distributed around the edge of the carriage a according to points, for detecting open flame and possible temporary open flame but abnormal temperature rise, and a backup detection is added on the basis of the temperature sensing head 22, the temperature sensing wire 23 is arranged around the edge of the carriage A, the temperature sensing wire 23 is a common temperature sensor, and is made of a material with temperature sensitivity based on the temperature characteristics and the electrical principle of the resistor, and when the temperature sensing wire is in contact with the surface of an object to be measured, the resistor of the temperature sensing wire changes along with the change of the temperature of the surface of the object.
Meanwhile, the control cabinet 1 and the vehicle system are also connected with an injection assembly 4 for injecting fire extinguishing medium, and for the injection assembly 4, the injection assembly 4 comprises a plurality of sprayers 41, and a hook A1 is arranged on a carriage A at the interval between the sprayers 41; when the vehicle is transported in a mine, the roof of the carriage A is covered with protective cloth and is fixed on hooks A1 on two sides through ropes, so that the content of the carriage A is prevented from scattering; the sprayers 41 are non-pressure-storage type fire extinguishing equipment, the tank 411 of the sprayers 41 is filled with fire extinguishing medium and is provided with a solid-gas conversion agent 412, the solid-gas conversion agent 412 is usually a catalyst or a reactant which can promote chemical reaction between solid and gas and generate gas products, some common solid-gas conversion agents 412 comprise metal oxides, alkali metal compounds, hydrides, halides and the like, an aluminum film sealing opening is arranged at the nozzle of the sprayers 41, the solid-gas conversion agent 412 is excited to react by electric initiation to generate heat, and the gas is generated by punching the aluminum film to drive the fire extinguishing medium to spray;
moreover, the top end of the sprayer 41 is provided with a protective cover 43, the protective cover 43 is hinged to a carriage A, the protective cover 43 covers the nozzle of a tank 411 of the sprayer 41, the spraying assembly 4 further comprises a mounting beam 42, the sprayer 41 is mounted on the mounting beam 42 at intervals, the nozzle of the tank 411 is positioned at the top end of the tank 411, the top edge of the protective cover 43 is lower than the top edge of the carriage A, the protective cover 43 covers the carriage A and is matched with the carriage A to protect the nozzle of the tank 411, in order that the sprayer 41 under the protection range of the protective cover 43 can extend out of the protective cover 43 for fire extinguishing operation when needed, the bottom end of the mounting beam 42 is provided with a moving assembly 5 for driving the sprayer 41 to move up and down, and the moving assembly 5 drives the sprayer 41 to move up and down so that the nozzle of the sprayer 41 extends out of the protective cover 43 or is retracted into the coverage range of the protective cover 43;
as shown in fig. 4 and 5, in the protection cover 43, the hinge connection portion of the protection cover 43 is a hinge portion 43c, the side end of the protection cover 43 is a vertical top inclined portion 43a with the top end inclined, the top end of the can 411 is a lifting portion 413 for contacting the top inclined portion 43a, and the lifting portion 413 is in abutment with the top inclined portion 43a to enable the protection cover 43 to have a tendency to be unfolded and rotated about the hinge portion 43 c; the unfolding rotation is known as the operation of rotating the protective cover 43 attached to the carriage A outwards to open an opening at the top end of the protective cover 43, and otherwise closing the opening; subsequently, a side support portion 414 is provided at the side end of the tank 411, and the side support portion 414 fills the gap between the side end of the tank 411 and the side end of the protection cover 43, and the lowered side support portion 414 abuts against the side end of the protection cover 43 and causes the protection cover 43 to have a tendency to perform closing rotation about the hinge portion 43c, that is, the bottom end of the protection cover 43 is supported in the protection cover 43 by the side support portion 414 so that the top end of the protection cover 43 is pushed against the vehicle cabin a side surface;
it should be noted that, the bottom end of the side supporting portion 414 in the closed protective cover 43 is lower than the horizontal height of the hinge portion 43c, so that the bottom end of the side supporting portion 414 and the top end of the protective cover 43 are respectively arranged on two sides of the hinge portion 43c to form a lever by taking the hinge portion 43c as a fulcrum, and the vertical distance between the lifting portion 413 and the top oblique portion 43a is larger than the vertical distance between the bottom end of the side supporting portion 414 and the hinge portion 43c, so that when the tank 411 is lifted, the bottom end of the side supporting portion 414 can be located on the same side of the hinge portion 43c as the top end of the protective cover 43 across the hinge portion 43c before the lifting portion 413 contacts the top oblique portion 43a to drive the top oblique portion 43a to be unfolded, thereby avoiding interference with the side supporting portion 414 when the protective cover 43 is unfolded.
As shown in fig. 6, for the moving assembly 5, the moving assembly 5 comprises a base plate 51 arranged on a carriage a below the spraying assembly 4, a horizontal pushing start beam 55 and a vertical movable driven beam 53 are respectively arranged at the top end and the bottom end of the base plate 51 in a sliding manner through a track piece 52, the horizontal pushing start beam 55 is connected with a horizontal oil cylinder 3, a sliding seat 57 is arranged on the driven beam 53, the horizontal pushing start beam 55 is connected with the sliding seat 57 through a pulling rod 56, a vertical guide vertical groove 51a is arranged on the base plate 51, and the sliding seat 57 is in sliding engagement in the guide vertical groove 51a through a guide pulley 571 so as to vertically slide with the driven beam 53 in the guide vertical groove 51a by pulling of the pulling rod 56; specifically, the cylinder 3 is used to push the horizontal push starting beam 55 horizontally, the horizontal push starting beam 55 moves horizontally to pull the pulling rod 56, and the track piece 52 guides the driven beam 53 to move upwards, and the sliding seat 57 on the driven beam 53 connected with the pulling rod 56 is guided upwards by the guide vertical groove 51a, so that the horizontal movement of the horizontal push starting beam 55 is converted into the vertical movement of the driven beam 53; and a top column 54 is fixedly connected between the mounting beam 42 and the driven beam 53, so that the mounting beam 42 and the driven beam 53 synchronously slide vertically, and the sprayer 41 can be driven to extend out of the protective cover 43 to perform fire extinguishing operation when required when the moving assembly 5 is started.
In specific implementation, the content of the carriage A catches fire, the detector 2 senses abnormal temperature rise or fire source, the control cabinet 1 and the vehicle system receive signals of the detector 2 and make early warning alarm or further make fire extinguishing operation, then the starting cylinder 3 horizontally pushes the transverse pushing starting beam 55, the transverse pushing starting beam 55 horizontally moves to pull the sliding seat 57 through the pulling rod 56, the track piece 52 guides the driven beam 53 and the guide vertical groove 51a to guide the sliding seat 57 to move upwards, the driven beam 53 moves upwards to drive the mounting beam 42 to lift through the jacking column 54, the mounting beam 42 supports the tank 411 to lift, the lifting part 413 of the tank 411 is lifted to prop against the top inclined part 43a to enable the protective cover 43 to be unfolded, and meanwhile, the solid-gas conversion agent 412 is driven by the control cabinet 1 or the vehicle system to excite the gas to be generated to fill the tank 411, so that fire extinguishing medium in the tank 411 is sprayed to extinguish a fire area, and other problems caused by untimely fire extinguishing are avoided.
Moreover, as shown in fig. 7 and 8, for the moving assembly 5, a top box 51c is arranged at the top end of the base plate 51, a linkage assembly 58 is arranged in the top box 51c, and the horizontally moving slide seat 57 cooperates with the linkage assembly 58 to drive the sprayer 41 to rotate, so that the sprayer 41 adjusts the spraying direction, and under the cooperation with the induction of the ultraviolet induction head 21 to the ignition region, the fire extinguishing medium is forced to the most suitable region;
for this reason, a transverse guiding transverse groove 51b is provided on the base plate 51, the guiding transverse groove 51b is communicated with the top end of the guiding vertical groove 51a, the guiding transverse groove 51b extends in the moving direction that the guiding vertical groove 51a top end faces the transverse pushing starting beam 55 to drive the sliding seat 57 to ascend, the sliding seat 57 is slidably mounted on the driven beam 53 through the track member 52 so as to horizontally move, the driven beam 53 and the guiding transverse groove 51b provide a space for the sliding seat 57 and the guiding pulley 571 to horizontally move, so that after the sliding seat 57 is driven to reach the top end of the guiding vertical groove 51a by the oil cylinder 3, the oil cylinder 3 can still continuously push and keep the original moving direction, but can drive the sliding seat 57 to move in the horizontal direction guided by the guiding transverse groove 51b, so that the driven beam 53 can be vertically limited by the guiding transverse groove 51b at the appointed position after being lifted to the appointed position, thereby stabilizing the ascending height, and simultaneously providing a transmission allowance for the sliding seat 57 and a travel base for the cooperation of the linkage assembly 58;
then, the tank 411 is movably mounted on the mounting beam 42 through the mounting seat 421, the mounting seat 421 is rotatably mounted on the mounting beam 42 around a vertical axis, a person skilled in the art can adopt a rotation mode with damping to enable the rotated mounting seat 421 to be stable at a current position, a driven pin 421a is arranged at a position, close to the carriage A, of the bottom end of the mounting seat 421, the driven pin 421a penetrates into the hollow mounting beam 42, and the driven pin 421a is stirred to enable the mounting seat 421 to rotate; in order to stir the driven pin 421a, a displacement driving beam 422 is arranged in the mounting beam 42, an elastic piece 426 is arranged between two ends of the displacement driving beam 422 and the inner wall of the mounting beam 42 and used for driving the displacement driving beam 422 to reset, the movement of the sliding seat 57 on the guide transverse groove 51b is transmitted to the displacement driving beam 422 through the linkage assembly 58, a stirring groove 425 is arranged on the displacement driving beam 422, the driven pin 421a is inserted into the stirring groove 425, so that the horizontal movement of the displacement driving beam 422 drives the driven pin 421a to drive the mounting seat 421 to swing through the stirring groove 425;
for the linkage assembly 58, the linkage assembly 58 comprises an outer tube 581 and a reaching connecting rod 582 in hinged connection with the outer tube 581, the other end of the reaching connecting rod 582 is in hinged connection with the bottom end of the mounting beam 42, the bottom end of the outer tube 581 is in hinged connection with the top box 51c, the outer tube 581 and the reaching connecting rod 582 form a scissor type connecting rod structure, when the mounting beam 42 is not lifted and is positioned close to the top box 51c, the outer tube 581 and the reaching connecting rod 582 are folded in the mounting beam 42 and the top box 51c, the top box 51c and the mounting beam 42 are far away from each other to drive the outer tube 581 in the scissor type connecting rod structure to be vertical, an opening communicated with the inside is formed in the top box 51c at the bottom end of the outer tube 581 and the mounting beam 42 at the top end of the outer tube 581, the bottom end of the outer tube 581 which is vertical extends downwards from the opening of the top box 51c and the top end of the outer tube 581 extends into the mounting beam 42; then, the bottom end of the outer tube 581 is provided with a transmission gear 583, the top end of the outer tube 581 is provided with a driving gear 584, the transmission gear 583 and the driving gear 584 are connected in an axial manner in the outer tube 581 so as to perform synchronous motion, the top end of the sliding seat 57 is provided with a driving rack 572 and is meshed with the transmission gear 583 of the vertical outer tube 581 on the guide transverse groove 51b, the displacement driving beam 422 is internally provided with a movable slot 423, and the movable slot 423 is internally provided with a driving tooth surface 424;
on the basis, when the sliding seat 57 continues to move, the sliding seat 57 drives the transmission gear 583 to rotate through the meshing of the driving rack 572 and the transmission gear 583, the driving gear 584 and the transmission gear 583 synchronously rotate, the driving gear 584 meshes with the driving tooth surface 424 to drive the displacement driving beam 422 to horizontally move, and the horizontal movement of the displacement driving beam 422 drives the driven pin 421a to drive the mounting seat 421 and the sprayers 41 to swing through the stirring groove 425, so that each sprayer 41 can be inclined to a preset inclination angle, such as to the locomotive, and then gradually inclined to the middle and the rear ends through swinging, thereby changing the fire extinguishing position of the sprayers 41, but the fire extinguishing coverage rate of the middle or the whole carriage A is reduced in this form.
In the specific arrangement of the embodiment, the spraying area of each sprayer 41 is directly directed to the middle surface of the carriage a, that is, the nozzle is perpendicular to the side surface of the carriage a, then, the continuously arranged teeth on the driving gear 584 occupy one third to one half of the outer circumference of the driving gear 584, the driving tooth surfaces 424 are arranged on both sides in the movable slot 423, and the teeth on the driving gear 584 swinging into the movable slot 423 are positioned in the middle of the driving tooth surfaces 424 on both sides; the driving tooth surfaces 424 are in a rotation symmetry shape with the center of the driving gear 584 as a symmetry center on both sides of the movable slot 423, the driving gear 584 swinging into the movable slot 423 is provided with the driving tooth surfaces 424 to be meshed with in the rotation direction of starting rotation, so that the driving gear 584 can consider the driving tooth surfaces 424 on both sides, the driving gear 584 is meshed with the nearby driving tooth surfaces 424 at first time of starting rotation, then the driving beam 422 is driven to move to one side, when the driving gear 584 rotates to the middle part of the movable slot 423, the driving gear 584 is not meshed with any driving tooth surface 424, the elastic piece 426 drives the deflection driving beam 422 to reset, the driving tooth surface 424 on the other side is driven to come to the rotation direction of the driving gear 584, then the driving gear 584 is meshed with the driving tooth surface 424 on the other side to drive the driving beam 422 to move to the other side, and the unidirectional pushing of the oil cylinder 3 is converted into bidirectional movement of the driving beam 422.
Therefore, in the implementation, after the mounting beam 42 supports the tank 411 to rise out of the protective cover 43, the cylinder 3 pushes the horizontal pushing start beam 55 to drive the sliding seat 57 to reach the top end of the guide vertical groove 51a, the cylinder 3 continues to push forward and keeps the original moving direction, the sliding seat 57 is driven to move in the horizontal direction guided by the guide horizontal groove 51b, the sliding seat 57 also moves horizontally on the driven beam 53 through the track member 52, then the sliding seat 57 is driven by the cylinder 3 to move unidirectionally on the guide horizontal groove 51b, the driving rack 572 at the top end of the sliding seat 57 is meshed with the transmission gear 583 of the vertical outer tube 581, the driving gear 584 is synchronously rotated with the transmission gear 583, the driving gear 584 is meshed with the nearby driving tooth surface 424 at the beginning of rotation, then drives the driving beam 422 to move to one side, the horizontal movement of the driving beam 422 drives the mounting seat 421 and the sprayer 41 to swing by driving the driven pin 421a through the driving groove 425, therefore, the sprayer 41 pointing to the central axis of the middle of the carriage A starts to swing towards one side of the carriage A in a concentrated manner, when the driving gear 584 rotates to the middle of the movable slot 423, the driving gear 584 is not meshed with any driving tooth surface 424, the elastic piece 426 drives the deflection driving beam 422 to reset, meanwhile, the sprayer 41 swings back to the position pointing to the central axis of the middle of the carriage A, the driving tooth surface 424 on the other side arrives at the rotation direction of the driving gear 584, then the driving gear 584 is meshed with the driving tooth surface 424 on the other side to drive the driving beam 422 to move towards the other side, so that the sprayer 41 pointing to the central axis of the carriage A starts to swing towards the other side of the carriage A in a concentrated manner, the oil cylinder 3 is pushed in a unidirectional manner to be converted into bidirectional movement of the driving beam 422, and the fire extinguishing range of the sprayer 41 can be more accurate and concentrated.
It should be noted that, the mounting seat 421 on the mounting beam 42 and the sprayer 41 are divided into two groups, i.e., left and right, and the width of the toggle groove 425 is larger than the diameter of the driven pin 421 a; the width of the poking groove 425 gradually increases from the middle of the two groups of mounting seats 421 to the two sides, the distance from one side, close to the middle position of the two groups of mounting seats 421, in the poking groove 425 to the driven pin 421a is larger than the distance from the other side, close to the middle position of the two groups of mounting seats 421, in the poking groove 425 to the driven pin 421a, and the distance from one side, close to the middle position of the two groups of mounting seats 421, in the poking groove 425 to the driven pin 421a gradually increases from the middle of the two groups of mounting seats 421 to the two sides, as shown in fig. 9, so that the swinging range of the sprayer 41 far from the target direction is larger, and the swinging range of the sprayer 41 close to the target area is smaller, and better points to the target area.
In this embodiment, the bottom of the side end of the protective cover 43 is lower than the hinge portion 43c, the width of the protective cover 43 is larger than the diameter of the tank 411 of the sprayer 41, the bottom of the side end of the protective cover 43 is provided with a side opening 43b, and the unfolded side opening 43b of the protective cover 43 is in clearance fit with the tank 411; the side support part 414 is propped against the side surfaces of the protective cover 43 on two sides of the side opening 43b, the side support part 414 in the closed protective cover 43 is propped against the side surfaces of the side support part 414, and the bottom end of the side support part 414 is positioned in the range of the side surface of the protective cover 43, so that the action range and the action area of the side support part 414 are ensured, the protective cover 43 lifts up the sprayer 41 to a limiting effect, the side opening 43b and the top end of the protective cover 43 are matched to limit the sprayer 41 backwards, the carriage A is limited forwards, and the two sides of the protective cover 43 are matched with the side support part 414 to limit the sprayer 41 in the left-right direction.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
Claims (10)
1. The utility model provides an automatic fire extinguishing alarm system of mining vehicle, its structure is including installing the switch board on the carriage and encircle the detector of carriage installation, its characterized in that: the detector is in signal connection and electric connection with the control cabinet and the vehicle system, the detector comprises an ultraviolet sensing head, a temperature sensing head and a temperature sensing wire, the ultraviolet sensing head is arranged at a position higher than the top end of the content in the carriage, the temperature sensing head is distributed around the edge of the carriage, and the temperature sensing wire is arranged around the edge of the carriage;
the control cabinet and the vehicle system are also connected with a spraying assembly for spraying the fire extinguishing medium, the spraying assembly comprises a plurality of sprayers, the tank body of each sprayer is filled with the fire extinguishing medium and is provided with a solid-gas conversion agent, the top end of each sprayer is provided with a protective cover which is hinged on a carriage, the protective cover covers the carriage and is matched with the outer wall of the carriage to cover the nozzle of each sprayer, and the spraying assembly further comprises a mounting beam, and the sprayers are mounted on the mounting beam;
a hook is arranged on a carriage at the interval between the sprayers;
the bottom end of the mounting beam is provided with a moving assembly for driving the sprayer to lift and move, the moving assembly comprises a base plate arranged on a carriage below the spraying assembly, the top end and the bottom end of the base plate are respectively provided with a horizontal pushing starting beam and a vertical driven beam which move horizontally through rail pieces in a sliding mode, the horizontal pushing starting beam is connected with a horizontal oil cylinder, the driven beam is provided with a sliding seat, and the horizontal pushing starting beam is connected with the sliding seat through a pulling rod;
the base plate is provided with a vertical guide vertical groove, the sliding seat is clamped in the guide vertical groove through a guide pulley in a sliding manner, and vertically slides with the driven beam on the guide vertical groove by pulling of the tension rod, and a jacking column is fixedly connected between the mounting beam and the driven beam to enable the mounting beam and the driven Liang Tongbu to vertically slide.
2. An automatic fire alarm system for mining vehicles according to claim 1, wherein: the horizontal height of the top edge of the protective cover is lower than the edge of the top edge of the carriage, the nozzle of the tank body is positioned at the top end of the tank body, and the moving assembly drives the sprayer to lift and move so that the nozzle of the sprayer extends out of the protective cover or is retracted into the coverage range of the protective cover.
3. An automatic fire alarm system for mining vehicles according to claim 2, wherein: the hinge joint of the protective cover is a hinge part, the side end of the protective cover is a vertical top inclined part, the top end of the protective cover is an inclined top inclined part, the top end of the tank body is provided with a lifting part, and the lifting part is propped against the top inclined part and enables the protective cover to have a trend of unfolding and rotating by taking the hinge part as a fulcrum;
the side end of the tank body is provided with a side supporting part, the side supporting part fills a gap between the side end of the tank body and the side end of the protective cover, and the descending side supporting part props against the side end of the protective cover and enables the protective cover to have a tendency of closing rotation by taking the hinge part as a fulcrum.
4. A mining vehicle's automatic fire suppression alarm system as recited in claim 3, wherein: the horizontal height of the bottom end of the side support part in the closed protective cover is lower than that of the hinge part;
the vertical distance between the jacking part and the top inclined part is larger than the vertical distance between the bottom end of the side supporting part and the hinge part.
5. An automatic fire alarm system for mining vehicles according to claim 1, wherein: the base plate is provided with a transverse guide transverse groove, the guide transverse groove is communicated with the top end of the guide vertical groove, and the guide transverse groove extends towards the moving direction of the transverse pushing starting beam driving the sliding seat to ascend at the top end of the guide vertical groove;
the sliding seat is arranged on the driven beam in a sliding way through the track piece so as to perform horizontal movement, and the driven beam and the guide transverse groove provide a space for the sliding seat and the guide pulley to perform horizontal movement;
the top of the base plate is provided with a top box, a linkage assembly is arranged in the top box, and the sliding seat moving horizontally is matched with the linkage assembly to drive the sprayer to rotate.
6. An automatic fire alarm system for a mining vehicle as defined in claim 5, wherein: the tank body is movably mounted on the mounting beam through a mounting seat, the mounting seat can be rotatably mounted on the mounting beam around a vertical axis, a driven pin is arranged at the bottom end of the mounting seat close to a carriage, and the driven pin penetrates into the hollow mounting beam;
a displacement driving beam is arranged in the mounting beam, and an elastic piece is arranged between the two ends of the displacement driving beam and the inner wall of the mounting beam and used for driving a displacement driver Liang Fuwei;
the sliding seat is arranged on the guide transverse groove, the sliding seat is driven to the deflection driving beam through the linkage assembly, the deflection driving beam is provided with a poking groove, and the driven pin is inserted into the poking groove, so that the horizontal movement of the deflection driving beam drives the driven pin to drive the installation seat to swing through the poking groove.
7. An automatic fire alarm system for a mining vehicle as defined in claim 6, wherein: the linkage assembly comprises an outer tube and a position-reaching connecting rod which is hinged with the outer tube, the other end of the position-reaching connecting rod is hinged with the bottom end of the mounting beam, the bottom end of the outer tube is hinged with the top box, the outer tube and the position-reaching connecting rod form a scissor type connecting rod structure, the top box and the mounting beam are mutually far away to drive the outer tube in the scissor type connecting rod structure to be vertical, the top box at the bottom end of the outer tube and the mounting beam at the top end of the outer tube are both provided with open mouths for communicating the inside, the bottom end of the outer tube which is vertical is downwards extended from the open mouths of the top box, and the top end of the outer tube is extended into the mounting beam;
the outer tube bottom is equipped with drive gear and the top is equipped with drive gear, thereby drive gear and drive gear carry out the coupling and carry out synchronous motion in the outer tube, the slide top is equipped with drive rack and meshes with the drive gear of vertical outer tube on the direction transverse slot, be equipped with movable fluting in the drive roof beam that shifts and be equipped with the drive tooth face in movable fluting, thereby drive gear meshes with the drive tooth face and drives the drive roof beam that shifts and carry out horizontal migration.
8. An automatic fire alarm system for a mining vehicle as defined in claim 7, wherein: the spray nozzle of the sprayer is vertical to the side surface of the carriage, the teeth continuously arranged on the driving gear occupy one third to one half of the outer circumference of the driving gear, the driving tooth surfaces are arranged on the two sides in the movable slot, and the teeth on the driving gear swinging to the movable slot are positioned in the middle of the driving tooth surfaces on the two sides;
the driving tooth surfaces are in a rotationally symmetrical shape taking the center of the driving gear as the symmetry center on two sides of the movable slot;
the drive gear oscillated into the movable slot has a drive tooth surface in a rotational direction in which rotation is started to engage therewith.
9. The mining vehicle's automatic fire suppression alarm system as recited in claim 8, wherein: the mounting seat and the sprayer on the mounting beam are divided into a left group and a right group, and the width of the poking groove is larger than the diameter of the driven pin;
the width of the poking groove is gradually increased from the middle of the two groups of installation seats to the two sides, the distance from one side, close to the middle position of the two groups of installation seats, in the poking groove to the driven pin is larger than the distance from the other side of the poking groove to the driven pin, and the distance from one side, close to the middle position of the two groups of installation seats, in the poking groove to the driven pin is gradually increased from the middle of the two groups of installation seats to the two sides.
10. An automatic fire alarm system for a mining vehicle as defined in claim 4, wherein: the bottom of the side end of the protective cover is lower than the hinge part, the width of the protective cover is larger than the diameter of the tank body of the sprayer, a side opening is formed in the bottom of the side end of the protective cover, and the unfolded side opening of the protective cover is in clearance fit with the tank body;
the side support parts are propped against the side surfaces of the protective covers on two sides of the side openings, the side support parts in the protective covers are propped against the side surfaces of the side support parts, and the bottom ends of the side support parts are located in the range of the side surfaces of the protective covers.
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| CN202410138349.5A CN117679691B (en) | 2024-02-01 | 2024-02-01 | Automatic fire extinguishing alarm system for mining vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410138349.5A CN117679691B (en) | 2024-02-01 | 2024-02-01 | Automatic fire extinguishing alarm system for mining vehicle |
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| CN117679691B true CN117679691B (en) | 2024-04-05 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203727249U (en) * | 2014-03-12 | 2014-07-23 | 陕西汽车集团有限责任公司 | Fireworks safety transport vehicle |
| CN211158273U (en) * | 2019-09-23 | 2020-08-04 | 西安德安注册安全工程师事务所有限公司 | Fire early warning device for special vehicle five-prevention area |
| CN116279064A (en) * | 2023-02-14 | 2023-06-23 | 江苏数字鹰科技股份有限公司 | Intelligent unmanned transportation trolley for fire fighting and use method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6159886B2 (en) * | 2013-07-16 | 2017-07-05 | 北京机械▲設▼▲備▼研究所 | Fire engine applied to fire fighting activities for high-rise and skyscrapers |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203727249U (en) * | 2014-03-12 | 2014-07-23 | 陕西汽车集团有限责任公司 | Fireworks safety transport vehicle |
| CN211158273U (en) * | 2019-09-23 | 2020-08-04 | 西安德安注册安全工程师事务所有限公司 | Fire early warning device for special vehicle five-prevention area |
| CN116279064A (en) * | 2023-02-14 | 2023-06-23 | 江苏数字鹰科技股份有限公司 | Intelligent unmanned transportation trolley for fire fighting and use method |
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