CN109264640B - Fire control emergency device that factor of safety is high - Google Patents
Fire control emergency device that factor of safety is high Download PDFInfo
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- CN109264640B CN109264640B CN201811093920.7A CN201811093920A CN109264640B CN 109264640 B CN109264640 B CN 109264640B CN 201811093920 A CN201811093920 A CN 201811093920A CN 109264640 B CN109264640 B CN 109264640B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
- B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
- B66F11/042—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations actuated by lazy-tongs mechanisms or articulated levers
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
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Abstract
The invention relates to a fire-fighting emergency device with high safety coefficient, which comprises a cab, a chassis, a lifting mechanism, a lifting plate, an adjusting mechanism, a rescue mechanism and a plurality of wheels, wherein the adjusting mechanism comprises a translation component, a translation plate and an adjusting component, the adjusting component comprises an adjusting unit, a rack, a gear, a fixed shaft and a plurality of support rods, the rescue mechanism comprises a rescue chamber, a first pedal, a second pedal and two rotating components, an extending component is arranged in a notch, the fire-fighting emergency device with high safety coefficient can drive the rescue chamber to rotate and move through the adjusting mechanism, the position and the direction of the rescue chamber are changed, fire officers can conveniently and rapidly carry out fire-fighting work, moreover, the first pedal is driven to rotate downwards through the rescue mechanism and the second pedal to move, people at the fire scene can be conveniently transferred into the safe rescue chamber, and high-risk people can conveniently pass through the first side plate and the second side plate, and prevent falling, further improve the factor of safety of this equipment.
Description
Technical Field
The invention relates to the field of fire-fighting emergency equipment, in particular to a fire-fighting emergency device with high safety coefficient.
Background
Fire trucks, also known as fire trucks, refer to special vehicles that are used primarily to perform fire-fighting tasks, and most national fire departments, including china, also use them for other emergency rescue purposes. The fire engine can transport firefighters to a disaster site and provide a variety of tools for performing disaster relief tasks.
Modern fire trucks are usually equipped with steel ladders, water guns, portable fire extinguishers, self-contained respirators, protective clothing, breaking and dismantling tools, first-aid tools and the like, and some fire extinguishing devices can also carry large fire extinguishing equipment such as water tanks, water pumps, foam fire extinguishing devices and the like. In order to realize the personnel safety rescue to the eminence conflagration, fire officer can utilize the scaling ladder on the fire engine to climb to the high department and carry out the fire control work usually, but on the current fire engine, the structure direction of scaling ladder is fixed, difficult adjustment, when the rescue, need the fire engine cost plenty of time adjustment position, just can implement the rescue work, the rescue efficiency has seriously been influenced, moreover, scaling ladder simple structure on the fire engine, to some there being terrorism crowds, be difficult to climb downwards on the scaling ladder of fire engine, thereby bring certain difficulty and trouble for the fire control rescue work, fire officer and victim crowd still fall from the scaling ladder easily when climbing, its factor of safety has been reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the fire-fighting emergency device with high safety factor is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a fire-fighting emergency device with high safety coefficient comprises a cab, a chassis, a lifting mechanism, a lifting plate, an adjusting mechanism, a rescue mechanism and a plurality of wheels, wherein the chassis is positioned on one side of the cab, the wheels are arranged below the cab and the chassis, a PLC is arranged in the cab, and the lifting mechanism, the lifting plate, the adjusting mechanism and the rescue mechanism are sequentially arranged above the chassis from bottom to top;
the adjusting mechanism comprises a translation assembly, a translation plate and an adjusting assembly, the translation assembly is located below the translation plate, the adjusting assembly is located above the translation plate and is in transmission connection with the translation plate, the adjusting assembly comprises an adjusting unit, a rack, a gear, a fixed shaft and a plurality of supporting rods, the adjusting unit is in transmission connection with the rack, the rack is meshed with the gear, the fixed shaft is fixed above the translation plate, the gear is sleeved on the fixed shaft, the supporting rods are uniformly distributed on the periphery of the fixed shaft in the circumferential direction, the bottom ends of the supporting rods are fixed above the gear, and the top ends of the supporting rods are connected with the rescue mechanism;
rescue mechanism includes rescue room, first footboard, second footboard and two rotating assembly, the top at branch is fixed to the rescue room, and two rotating assembly are located the inner wall of the both sides of rescue room respectively, rotating assembly is connected with first footboard transmission, first footboard is articulated with the bottom of rescue room, one side of keeping away from the rescue room of first footboard is equipped with the notch, be equipped with the extension subassembly in the notch, the second footboard is located one side of keeping away from the rescue room of first footboard, the extension subassembly is connected with the second footboard transmission, one side that is close to the rescue room of the both sides of first footboard is equipped with first curb plate, one side that is close to the rescue room of the both sides of second footboard is equipped with the second curb plate.
Preferably, in order to drive the lifting plate to lift, the lifting mechanism comprises a driving assembly and two lifting assemblies, the two lifting assemblies are respectively located at two ends of the driving assembly, each lifting assembly comprises a moving block, a fixed block, a telescopic frame and two connecting rods, the driving assembly is in transmission connection with the moving block, the fixed block is fixed above the chassis, two sides of the bottom end of the telescopic frame are respectively hinged to the fixed block and the moving block, and two sides of the top end of the telescopic frame are respectively hinged to the lifting plate through the two connecting rods.
Preferably, in order to drive the moving block to move horizontally, the driving assembly comprises a hydraulic tank, a hydraulic pump, a hydraulic cylinder and two pistons, the hydraulic tank and the hydraulic cylinder are both fixed above the chassis, the hydraulic pump is electrically connected with the PLC, the hydraulic tank and the hydraulic cylinder are both communicated with the hydraulic pump, the two pistons are respectively located at two ends of the hydraulic cylinder, the pistons correspond to the lifting assemblies one by one, one end of each piston is arranged in the hydraulic cylinder, and the other end of each piston is fixedly connected with the moving block.
Preferably, in order to drive the translation plate to move, the translation assembly comprises two translation units, the two translation units are respectively located below two ends of the translation plate, each translation unit comprises a first motor and two rollers, the first motors are fixed below the translation plate, the two rollers are respectively located on two sides of the first motors, the first motors are electrically connected with the PLC, and the first motors are in transmission connection with the rollers.
Preferably, in order to realize the stable movement of the translation plate, two sides of the translation plate are respectively provided with a slide rail and two slide rings, the slide rings are fixedly connected with the translation plate, the slide rails are U-shaped, two ends of the slide rails are fixed above the lifting plate, and the slide rings are sleeved on the slide rails.
Preferably, in order to fix the height position of the gear, clamping plates are arranged on the upper side and the lower side of the gear, and the clamping plates are fixed on the fixed shaft.
Preferably, in order to adjust the position of the rack, the adjusting unit comprises a second motor, a screw rod and a sleeve, the second motor is fixed above the translation plate, the sleeve abuts against the translation plate, the second motor is electrically connected with the PLC, the second motor is in transmission connection with one end of the screw rod, the other end of the sleeve is sleeved on the screw rod, a first thread matched with the screw rod is arranged at the joint of the sleeve and the screw rod, and the sleeve is fixedly connected with the rack.
Preferably, in order to drive the first pedal to rotate, the rotating assembly comprises a third motor, a driving wheel and a steel wire rope, the third motor is fixed on the inner wall of the rescue room and electrically connected with the PLC, the third motor is in transmission connection with the driving wheel, one end of the steel wire rope is arranged on the driving wheel, and the other end of the steel wire rope is connected with the first pedal.
Preferably, in order to drive the second pedal to move, the extension assembly comprises a connecting plate and two extension units, the two extension units are respectively located at two ends of the connecting plate, the connecting plate is fixedly connected with the second pedal, the extension units comprise a fourth motor, a bearing and a screw rod, the fourth motor and the bearing are respectively fixed on inner walls of two sides of the notch, the fourth motor is electrically connected with the PLC, the fourth motor is in transmission connection with one end of the screw rod, the other end of the screw rod is arranged in the bearing, the connecting plate is sleeved on the screw rod, and a second thread matched with the screw rod is arranged at the connecting position of the connecting plate and the screw rod.
Preferably, in order to assist the rescue chamber to rotate stably, a plurality of supporting blocks are arranged below the rescue chamber, the supporting blocks are circumferentially and uniformly distributed on the periphery of the gear, an opening is arranged below the supporting blocks, a ball is arranged in the opening, the ball is matched with the opening, the center of the ball is located in the opening, and the center of the ball abuts against the translation plate.
The fire-fighting emergency device with high safety factor has the advantages that the rescue chamber can be driven to rotate and move through the adjusting mechanism, the position and the direction of the rescue chamber are changed, fire-fighting officers and soldiers can conveniently and rapidly carry out fire-fighting work, compared with the existing adjusting mechanism, the adjusting mechanism is flexible in structure and convenient to adjust, moreover, the first pedal is driven to rotate downwards and the second pedal is driven to move through the rescue mechanism, people in a fire scene can conveniently transfer to the safe rescue chamber, the first side plate and the second side plate can conveniently pass high-risk people and prevent falling, the safety factor of the device is further improved, and compared with the existing rescue mechanism, the rescue mechanism is safer and more reliable.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic diagram of a high safety fire emergency apparatus of the present invention;
FIG. 2 is a schematic structural diagram of a lifting mechanism of the high safety fire emergency apparatus of the present invention;
FIG. 3 is a schematic view of a connection structure between an adjusting mechanism and a rescue mechanism of the fire-fighting emergency device with a high safety factor;
FIG. 4 is a schematic diagram of the adjustment assembly of the high safety fire emergency apparatus of the present invention;
FIG. 5 is a schematic view of the extension assembly of the high safety fire emergency apparatus of the present invention;
in the figure: 1. the hydraulic rescue system comprises a cab, 2, a chassis, 3, a lifting plate, 4, wheels, 5, a translation plate, 6, a rack, 7, a gear, 8, a fixed shaft, 9, a support rod, 10, a rescue chamber, 11, a first pedal, 12, a second pedal, 13, a first side plate, 14, a second side plate, 15, a moving block, 16, a fixed block, 17, an expansion bracket, 18, a connecting rod, 19, a hydraulic tank, 20, a hydraulic pump, 21, a hydraulic cylinder, 22, a piston, 23, a first motor, 24, a roller, 25, a sliding rail, 26, a sliding ring, 27, a clamping plate, 28, a second motor, 29, a screw rod, 30, a sleeve, 31, a third motor, 32, a driving wheel, 33, a steel wire rope, 34, a connecting plate, 35, a fourth motor, 36, a bearing, 37, a screw rod, 38, a supporting block and 39 balls.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, the fire-fighting emergency device with high safety factor comprises a cab 1, a chassis 2, a lifting mechanism, a lifting plate 3, an adjusting mechanism, a rescue mechanism and a plurality of wheels 4, wherein the chassis 2 is positioned at one side of the cab 1, the wheels 4 are arranged below the cab 1 and the chassis 2, a PLC is arranged in the cab 1, and the lifting mechanism, the lifting plate 3, the adjusting mechanism and the rescue mechanism are sequentially arranged above the chassis 2 from bottom to top;
when the fire-fighting emergency device is used, a driver operates equipment in a cab 1 to operate, the equipment is moved to the position near a fire scene through wheels 4, then the lifting plate 3 is driven to move upwards through the lifting mechanism, the height of the rescue mechanism is increased, the direction and the position of the rescue mechanism are adjusted through the adjusting mechanism, and fire officers and soldiers in the rescue mechanism can conveniently rescue the victims of the fire scene.
As shown in fig. 3-4, the adjusting mechanism includes a translation assembly, a translation plate 5 and an adjusting assembly, the translation assembly is located below the translation plate 5, the adjusting assembly is located above the translation plate 5, the translation assembly is in transmission connection with the translation plate 5, the adjusting assembly includes an adjusting unit, a rack 6, a gear 7, a fixed shaft 8 and a plurality of supporting rods 9, the adjusting unit is in transmission connection with the rack 6, the rack 6 is meshed with the gear 7, the fixed shaft 8 is fixed above the translation plate 5, the gear 7 is sleeved on the fixed shaft 8, the supporting rods 9 are uniformly distributed on the periphery of the fixed shaft 8 in the circumferential direction, the bottom ends of the supporting rods 9 are fixed above the gear 7, and the top ends of the supporting rods 9 are connected with the rescue mechanism;
when the adjusting mechanism is adjusted, the translation plate 5 is driven to move in the horizontal direction through the translation assembly, so that the position of the rescue mechanism is changed, and then the direction and the position of the rescue mechanism are adjusted through the adjusting assembly, so that the rescue mechanism is aligned to a fire scene, and fire officers and soldiers can conveniently and quickly apply rescue aids. When the adjusting component operates, the PLC controls the adjusting unit to start, the rack 6 is driven to move, the rack 6 acts on the gear 7 meshed with the rack, the gear 7 rotates around the axis of the fixed shaft 8, the gear 7 is connected with the rescue mechanism through the supporting rod 9, the rescue mechanism is driven to rotate, and the direction of the rescue mechanism is convenient to adjust.
As shown in fig. 3, the rescue mechanism includes a rescue chamber 10, a first pedal 11, a second pedal 12 and two rotation assemblies, the rescue chamber 10 is fixed on the top end of the supporting rod 9, the two rotation assemblies are respectively located on the inner walls of two sides of the rescue chamber 10, the rotation assemblies are in transmission connection with the first pedal 11, the first pedal 11 is hinged to the bottom end of the rescue chamber 10, one side of the first pedal 11, which is far away from the rescue chamber 10, is provided with a notch, an extension assembly is arranged in the notch, the second pedal 12 is located on one side of the first pedal 11, which is far away from the rescue chamber 10, the extension assembly is in transmission connection with the second pedal 12, one side of two sides of the first pedal 11, which is close to the rescue chamber 10, is provided with a first side plate 13, and one side of two sides of the second pedal 12, which is close to the rescue chamber 10, is provided with a second side plate 14.
After the position and the direction of the rescue mechanism are adjusted, the PLC controls the operation of a rotating component in the rescue room 10 to enable the first pedal 11 to rotate downwards, the rescue room 10 is connected with a fire scene through the first pedal 11, when the length of the first pedal 11 is not enough, the extending component operates in a notch of the first pedal 11 to drive the second pedal 12 to move towards the direction far away from the rescue room 10, the connection between the fire scene and the rescue room 10 is established through the first pedal 11 and the second pedal 12, then a fire officer in the rescue room 10 can enter the fire scene from the rescue room 10 through the first pedal 11 and the second pedal 12 to take away people at the fire scene to enable people to be transferred into the safe rescue room 10, the first side plate 13 is arranged on two sides of the first pedal 11, the second side plate 14 is arranged on two sides of the second pedal 12, and the sight lines of people on the first pedal 11 and on two sides of the second pedal 12 can be shielded through the first side plate 13 and the second side plate 14, people who suffer from terrorism can pass through the rescue device conveniently, and can be prevented from falling from two sides when moving on the first pedal 11 and the second pedal 12, so that the practicability of the rescue device is further improved.
As shown in fig. 2, the lifting mechanism includes a driving component and two lifting components, the two lifting components are respectively located at two ends of the driving component, the lifting component includes a moving block 15, a fixed block 16, a telescopic frame 17 and two connecting rods 18, the driving component is in transmission connection with the moving block 15, the fixed block 16 is fixed above the chassis 2, two sides of the bottom end of the telescopic frame 17 are respectively hinged to the fixed block 16 and the moving block 15, and two sides of the top end of the telescopic frame 17 are respectively hinged to the lifting plate 3 through the two connecting rods 18.
The PLC controls the driving assembly to start, drives the moving block 15 to move, changes the distance between the moving block 15 and the fixed block 16, enables the length of the telescopic frame 17 to change when the telescopic frame 17 stretches, and drives the lifting plate 3 to move up and down through the two connecting rods 18 at the top end of the telescopic frame 17.
Preferably, in order to drive the moving block 15 to translate, the driving assembly includes a hydraulic tank 19, a hydraulic pump 20, a hydraulic cylinder 21 and two pistons 22, the hydraulic tank 19 and the hydraulic cylinder 21 are both fixed above the chassis 2, the hydraulic pump 20 is electrically connected with the PLC, the hydraulic tank 19 and the hydraulic cylinder 21 are both communicated with the hydraulic pump 20, the two pistons 22 are respectively located at two ends of the hydraulic cylinder 21, the pistons 22 are in one-to-one correspondence with the lifting assembly, one end of each piston 22 is arranged in the hydraulic cylinder 21, and the other end of each piston 22 is fixedly connected with the moving block 15. The PLC controls the hydraulic pump 20 to be started, hydraulic oil in the hydraulic tank 19 can be led into the hydraulic cylinder 21, or hydraulic oil in the hydraulic cylinder 21 is led into the hydraulic tank 19, so that the oil pressure of the hydraulic cylinder 21 is adjusted, the piston 22 is driven to move, the piston 22 is fixedly connected with the moving block 15, and the moving block 15 is driven to move.
As shown in fig. 3, the translation assembly includes two translation units, the two translation units are respectively located below two ends of the translation plate 5, the translation unit includes a first motor 23 and two rollers 24, the first motor 23 is fixed below the translation plate 5, the two rollers 24 are respectively located at two sides of the first motor 23, the first motor 23 is electrically connected to the PLC, and the first motor 23 is in transmission connection with the rollers 24.
PLC control first motor 23 starts, drives the gyro wheel 24 of both sides and removes in the top of lifter plate 3 to drive first motor 23 and remove, because first motor 23 fixes in the below of translation board 5, make translation board 5 remove.
Preferably, in order to realize the stable movement of the translation plate 5, two sides of the translation plate 5 are both provided with a slide rail 25 and two slide rings 26, the slide rings 26 are fixedly connected with the translation plate 5, the slide rail 25 is U-shaped, two ends of the slide rail 25 are fixed above the lifting plate 3, and the slide rings 26 are sleeved on the slide rail 25. The moving direction of the sliding ring 26 is fixed by the sliding rail 25 fixed on the lifting plate 3, and when the sliding plate 5 drives the sliding ring 26 to move, the sliding ring 26 moves along the sliding rail 25, so that the smooth movement of the translation plate 5 is realized.
Preferably, in order to fix the height position of the gear 7, the upper and lower sides of the gear 7 are provided with clamping plates 27, and the clamping plates 27 are fixed on the fixed shaft 8. The height position of the gear 7 is restricted by the two clamping plates 27, and the gear 7 is prevented from sliding up and down along the axis of the fixed shaft 8.
As shown in fig. 4, the adjusting unit includes a second motor 28, a screw 29 and a sleeve 30, the second motor 28 is fixed above the translation plate 5, the sleeve 30 abuts against the translation plate 5, the second motor 28 is electrically connected with the PLC, the second motor 28 is in transmission connection with one end of the screw 29, the other end of the sleeve 30 is sleeved on the screw 29, a first thread matched with the screw 29 is arranged at a connection position of the sleeve 30 and the screw 29, and the sleeve 30 is fixedly connected with the rack 6.
The PLC controls the second motor 28 to start, so as to drive the screw rod 29 to rotate, the screw rod 29 acts on the sleeve 30 through the first thread, so that the sleeve 30 moves along the axis of the screw rod 29, and the rack 6 is driven to move.
As shown in fig. 3, the rotating assembly includes a third motor 31, a driving wheel 32 and a wire rope 33, the third motor 31 is fixed on the inner wall of the rescue chamber 10, the third motor 31 is electrically connected to the PLC, the third motor 31 is in transmission connection with the driving wheel 32, one end of the wire rope 33 is arranged on the driving wheel 32, and the other end of the wire rope 33 is connected to the first pedal 11.
The PLC controls the third motor 31 to start, and drives the driving wheel 32 to rotate, so that the steel wire rope 33 is tightened or loosened, and the first pedal 11 is driven to rotate.
As shown in fig. 5, the extension assembly includes a connecting plate 34 and two extension units, the two extension units are respectively located at two ends of the connecting plate 34, the connecting plate 34 is fixedly connected with the second pedal 12, the extension unit includes a fourth motor 35, a bearing 36 and a screw rod 37, the fourth motor 35 and the bearing 36 are respectively fixed on inner walls of two sides of the notch, the fourth motor 35 is electrically connected with the PLC, the fourth motor 35 is in transmission connection with one end of the screw rod 37, the other end of the screw rod 37 is disposed in the bearing 36, the connecting plate 34 is sleeved on the screw rod 37, and a second thread matched with the screw rod 37 is disposed at a connection position of the connecting plate 34 and the screw rod 37.
The PLC controls the fourth motor 35 to start, and drives the screw rod 37 to rotate under the supporting effect of the bearing 36, and the screw rod 37 acts on the connecting plate 34 through the second thread, so that the connecting plate 34 moves along the axis of the screw rod 37, and further drives the second pedal 12 to move.
Preferably, in order to assist the rescue chamber 10 to rotate smoothly, a plurality of supporting blocks 38 are arranged below the rescue chamber 10, the supporting blocks 38 are uniformly distributed on the periphery of the gear 7 in the circumferential direction, an opening is arranged below the supporting blocks 38, a ball 39 is arranged in the opening, the ball 39 is matched with the opening, the center of the ball 39 is located in the opening, and the center of the ball abuts against the translation plate 5. The ball 39 in the opening of the supporting block 38 leans on the translation plate 5, the rescue chamber 10 is supported through the ball 39 and the supporting block 38, and meanwhile, the ball 39 can roll in the opening, so that the friction of the rotation of the rescue chamber 10 is reduced, and the stable rotation of the rescue chamber 10 is ensured.
When this fire emergency device uses, through the high back of elevating system adjustment lifter plate 3, the translation subassembly drives translation board 5 and removes, change the position of rescue room 10, the regulating unit operation, drive rack 6 and remove, drive gear 7 rotates along the axis of fixed axle 8, be convenient for after the direction of quick adjustment rescue room 10, the runner assembly operation, drive first footboard 11 rotates downwards, then extend the subassembly operation, rescue room 10 removal is kept away from to drive second footboard 12, make things convenient for the fire control official in the rescue room 10 to take the crowd at the scene of the fire to safe place through first footboard 11 and second footboard 12, shelter from through first curb plate 13 and second curb plate 14 simultaneously, make things convenient for the high-fear crowd to pass through, and prevent that people from falling, the factor of safety of this fire emergency device has further been improved.
Compared with the prior art, this fire emergency device that factor of safety is high can drive rescue room 10 through adjustment mechanism and rotate and remove, change the position and the direction of rescue room 10, the official of fire control of being convenient for carries out fire control work fast, compare with current adjustment mechanism, this adjustment mechanism structure is nimble, be convenient for adjust, moreover, drive first footboard 11 downwardly rotating and second footboard 12 through rescue mechanism and remove, make things convenient for the crowd at the scene of fire to shift in the safe rescue room 10, and make things convenient for the high crowd of fear to pass through first curb plate 13 and second curb plate 14, and prevent to take place to fall, the factor of safety of this equipment has further been improved, compare with current rescue mechanism, this rescue mechanism is safe and reliable more.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (2)
1. The fire-fighting emergency device with the high safety coefficient is characterized by comprising a cab (1), a chassis (2), a lifting mechanism, a lifting plate (3), an adjusting mechanism, a rescue mechanism and a plurality of wheels (4), wherein the chassis (2) is positioned on one side of the cab (1), the wheels (4) are arranged below the cab (1) and below the chassis (2), a PLC (programmable logic controller) is arranged in the cab (1), and the lifting mechanism, the lifting plate (3), the adjusting mechanism and the rescue mechanism are sequentially arranged above the chassis (2) from bottom to top;
the adjusting mechanism comprises a translation assembly, a translation plate (5) and an adjusting assembly, the translation assembly is located below the translation plate (5), the adjusting assembly is located above the translation plate (5), the translation assembly is in transmission connection with the translation plate (5), the adjusting assembly comprises an adjusting unit, a rack (6), a gear (7), a fixed shaft (8) and a plurality of supporting rods (9), the adjusting unit is in transmission connection with the rack (6), the rack (6) is meshed with the gear (7), the fixed shaft (8) is fixed above the translation plate (5), the gear (7) is sleeved on the fixed shaft (8), the supporting rods (9) are circumferentially and uniformly distributed on the periphery of the fixed shaft (8), the bottom ends of the supporting rods (9) are fixed above the gear (7), and the top ends of the supporting rods (9) are connected with a rescue mechanism;
the rescue mechanism comprises a rescue chamber (10), a first pedal (11), a second pedal (12) and two rotating assemblies, the rescue chamber (10) is fixed at the top end of a supporting rod (9), the two rotating assemblies are respectively positioned on the inner walls of two sides of the rescue chamber (10), the rotating assemblies are in transmission connection with the first pedal (11), the first pedal (11) is hinged with the bottom end of the rescue chamber (10), one side, far away from the rescue chamber (10), of the first pedal (11) is provided with a notch, an extending assembly is arranged in the notch, the second pedal (12) is positioned on one side, far away from the rescue chamber (10), of the first pedal (11), the extending assembly is in transmission connection with the second pedal (12), one side, close to the rescue chamber (10), of two sides of the first pedal (11) is provided with a first side plate (13), one side, close to the rescue chamber (10), of two sides of the second pedal (12) is provided with a second side plate (14), the lifting mechanism comprises a driving component and two lifting components, the two lifting components are respectively positioned at two ends of the driving component, the lifting component comprises a moving block (15), a fixed block (16), a telescopic frame (17) and two connecting rods (18), the driving component is in transmission connection with the moving block (15), the fixed block (16) is fixed above the chassis (2), two sides of the bottom end of the telescopic frame (17) are respectively hinged with the fixed block (16) and the moving block (15), two sides of the top end of the telescopic frame (17) are respectively hinged with the lifting plate (3) through the two connecting rods (18), the driving component comprises a hydraulic box (19), a hydraulic pump (20), a hydraulic cylinder (21) and two pistons (22), the hydraulic box (19) and the hydraulic cylinder (21) are both fixed above the chassis (2), and the hydraulic pump (20) is electrically connected with the PLC, the hydraulic tank (19) and the hydraulic cylinder (21) are communicated with a hydraulic pump (20), the two pistons (22) are respectively positioned at two ends of the hydraulic cylinder (21), the pistons (22) correspond to the lifting assemblies one by one, one end of each piston (22) is arranged in the hydraulic cylinder (21), the other end of each piston (22) is fixedly connected with the moving block (15), each translation assembly comprises two translation units, the two translation units are respectively positioned below two ends of the translation plate (5), each translation unit comprises a first motor (23) and two idler wheels (24), the first motor (23) is fixed below the translation plate (5), the two idler wheels (24) are respectively positioned at two sides of the first motor (23), the first motor (23) is electrically connected with the PLC, the first motor (23) is in transmission connection with the idler wheels (24), slide rails (25) and two slide rings (26) are respectively arranged at two sides of the translation plate (5), the sliding ring (26) is fixedly connected with the translation plate (5), the sliding rail (25) is U-shaped, two ends of the sliding rail (25) are fixed above the lifting plate (3), the sliding ring (26) is sleeved on the sliding rail (25), clamping plates (27) are arranged on the upper side and the lower side of the gear (7), the clamping plates (27) are fixed on the fixed shaft (8), the adjusting unit comprises a second motor (28), a screw rod (29) and a sleeve (30), the second motor (28) is fixed above the translation plate (5), the sleeve (30) abuts against the translation plate (5), the second motor (28) is electrically connected with the PLC, the second motor (28) is in transmission connection with one end of the screw rod (29), the other end of the sleeve (30) is sleeved on the screw rod (29), a first thread matched with the screw rod (29) is arranged at the connection part of the sleeve (30) and the screw rod (29), the sleeve (30) is fixedly connected with the rack (6), the rotating assembly comprises a third motor (31), a driving wheel (32) and a steel wire rope (33), the third motor (31) is fixed on the inner wall of the rescue chamber (10), the third motor (31) is electrically connected with the PLC, the third motor (31) is in transmission connection with the driving wheel (32), one end of the steel wire rope (33) is arranged on the driving wheel (32), the other end of the steel wire rope (33) is connected with the first pedal (11), the extending assembly comprises a connecting plate (34) and two extending units, the two extending units are respectively located at two ends of the connecting plate (34), the connecting plate (34) is fixedly connected with the second pedal (12), the extending unit comprises a fourth motor (35), a bearing (36) and a screw rod (37), the fourth motor (35) and the bearing (36) are respectively fixed on the inner walls at two sides of the notch, fourth motor (35) is connected with the PLC electricity, fourth motor (35) is connected with the one end transmission of screw rod (37), the other end setting of screw rod (37) is in bearing (36), connecting plate (34) cover is established on screw rod (37), the junction of connecting plate (34) and screw rod (37) is equipped with the second screw thread that matches with screw rod (37).
2. A fire emergency device with high safety factor as claimed in claim 1, wherein a plurality of supporting blocks (38) are arranged below the rescue chamber (10), the supporting blocks (38) are circumferentially and uniformly distributed on the periphery of the gear (7), an opening is arranged below the supporting blocks (38), a ball (39) is arranged in the opening, the ball (39) is matched with the opening, the center of the ball (39) is located in the opening, and the center of the ball abuts against the translation plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| US8282213B2 (en) * | 2009-10-01 | 2012-10-09 | Chapman/Leonard Studio Equipment, Inc | Steering handle adapter for a camera dolly |
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| CN1562421A (en) * | 2004-03-26 | 2005-01-12 | 王小亮 | Litegrated multiple functonal apparatus for improving the health able to carry out exercise of standing upside down |
| DE102014013898A1 (en) * | 2014-09-18 | 2016-03-24 | Rosenbauer International Ag | Rescue basket, as well as equipped Hubrettungsfahrzeug |
| JP2017226528A (en) * | 2016-06-24 | 2017-12-28 | 清水建設株式会社 | Vehicle for high lift work and member construction method |
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