CN112274830A - Fire engine fire-fighting lance unfreezes fast winter - Google Patents
Fire engine fire-fighting lance unfreezes fast winter Download PDFInfo
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- CN112274830A CN112274830A CN202011171268.3A CN202011171268A CN112274830A CN 112274830 A CN112274830 A CN 112274830A CN 202011171268 A CN202011171268 A CN 202011171268A CN 112274830 A CN112274830 A CN 112274830A
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- rod
- fire fighting
- movably connected
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010257 thawing Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 7
- 230000000630 rising effect Effects 0.000 description 3
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C27/00—Fire-fighting land vehicles
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to the technical field of fire fighting, and discloses a fire fighting truck fire fighting lance capable of quickly thawing in winter, which comprises a lance head, an ice breaking assembly and a deceleration assembly, wherein the outer wall of the lance head is movably connected with the ice breaking assembly, the inner wall of the ice breaking assembly is movably connected with the deceleration assembly, a telescopic box is placed in a groove after being pressed and contracted and is extended under the action of a spring, the ice breaking assembly is clamped in the groove, the ice breaking assembly and the lance head are fixed, a motor is started, an output shaft of the motor drives a first air pressure telescopic rod to rotate so as to drive a cutter head to rotate, a pull rod is pulled downwards so as to drive a rotating block to move upwards, the cutter head enters the inner wall of the lance head to break ice, the pull rod can be pulled upwards after the ice breaking is finished, the cutter head is driven to extend out of an inner cavity of the lance head, the rotating rod is driven to wind an elastic rope, the ice breaking component can be taken down, so that the effect of quickly breaking ice without pouring hot water to melt ice is realized.
Description
Technical Field
The invention relates to the technical field of fire fighting, in particular to a fire fighting lance of a fire fighting truck capable of quickly thawing in winter.
Background
The fire-fighting lance is a water jetting tool for fire extinguishment, and can jet dense and full water flow when being connected with a water hose. The water gun has the advantages of long shooting range, large water quantity and the like, and can be divided into a straight-flow water gun, a spraying water gun, a multi-purpose water gun and the like according to different jet flow forms and characteristics, wherein the common water guns are the straight-flow water gun and the spraying water gun, and the water guns are very important when fire occurs.
When a fire happens, the time is very rare, but under the condition of winter, or when the fire happens in some cold regions, the fire-fighting water gun is easily blocked by ice, so that water cannot be sprayed out, the rescue time of the fire is very delayed, under general conditions, the water gun is used for impacting a water gun when going to the fire, so that the ice blocks are melted too slowly, and the water gun is easily frozen when fighting the fire in the cold regions, so that the water gun can be unfrozen, and the effect of quickly breaking ice, not watering the outside and directly breaking ice is achieved.
Disclosure of Invention
In order to achieve the purpose of the effect of quickly breaking ice without external watering and directly breaking ice, the invention provides the following technical scheme: the utility model provides a fire engine fire water gun that defrosts fast winter, includes rifle head, the subassembly that opens ice and speed reduction subassembly, the outer wall swing joint of rifle head opens ice the subassembly, the inner wall swing joint of the subassembly that opens ice has the speed reduction subassembly.
As an optimization, the ice breaking assembly comprises a shell, a cross rod is fixedly mounted on the right side of the shell, a telescopic box is fixedly mounted on the right side of the cross rod, a spring is fixedly mounted on the inner wall of the telescopic box, a vertical rod is fixedly mounted on the inner wall of the shell, a first bearing is movably connected to the inner wall of the vertical rod, a pull rod is fixedly mounted on the inner wall of the first bearing, a rotating block is movably connected to the right side of the first bearing, a tool bit is fixedly mounted at the top end of the rotating block, a first pneumatic telescopic rod is movably connected to the bottom end of the rotating block, a second bearing is fixedly mounted at one end, far away from the rotating block, of the first pneumatic telescopic rod, a second pneumatic telescopic rod is movably connected to the left side of the second bearing, a motor is movably connected to the bottom end of the first pneumatic telescopic rod, a third pneumatic telescopic rod is movably connected to the right, the outer wall of the third pneumatic telescopic rod is fixedly provided with a pull rope, and the bottom end of the shell is provided with a through hole.
As optimization, the deceleration subassembly includes the frame, the inner wall fixed mounting of frame has the lug, the positive swing joint of inner wall of frame has interior pole, the dead slot has been seted up to the inner wall of interior pole, the inner wall fixed mounting of dead slot has first magnetic path, the inner wall swing joint of interior pole has the limiting plate, the one end fixed mounting that the limiting plate is close to first magnetic path has the second magnetic path, the spout has been seted up to the inner wall of limiting plate, the outer wall fixed mounting of interior pole has curved type telescopic link.
As optimization, the outer wall of turning block is provided with the ring channel, and the inner wall swing joint of the ring channel of first pneumatic telescoping rod and turning block is passed through to first bearing, and the bottom of turning block passes through second bearing and first pneumatic telescoping rod swing joint, and the output shaft swing joint of second bearing and motor is passed through to the bottom of first pneumatic telescoping rod for when the swing pull rod, the first pneumatic telescoping rod of accessible drives the turning block and is the up-and-down motion.
As an optimization, the top end of the third pneumatic telescopic rod is movably connected with the outer wall of the motor through the third bearing, and the bottom end of the third pneumatic telescopic rod is movably connected with the bottom end of the inner wall of the shell through the third bearing, so that the motor does not contact with the inner wall of the shell, and when the pull rod pulls the rotating block to move upwards, the motor can be driven to move upwards, and the inner wall of the gun head which is deeper can be extended to break ice.
Preferably, the number of the first pneumatic telescopic rods is four, every two first pneumatic telescopic rods form a group, and the two groups of the first pneumatic telescopic rods are symmetrically distributed on the vertical center line of the rotating block, so that when the motor drives the rotating block to rotate through the first pneumatic telescopic rods, the rotating block can be driven to move up and down through the pull rod.
As optimization, the pull rope is wound on the outer wall of the inner rod, and one end of the pull rope, which is far away from the third pneumatic telescopic rod, is fixedly connected with the inner wall of the shell, so that when the rotating block moves upwards and the motor is pulled to move upwards too fast, the pull rope is matched with the speed reduction assembly to reduce the upward movement speed of the motor, and the motor is protected.
As an optimization, a groove is formed in the inner wall of the left side of the gun head and is in a T shape, an elastic rope and a rotary rod are arranged on the inner wall of the telescopic box, one end of the elastic rope is fixedly connected with the telescopic box, one end of the elastic rope, far away from the telescopic box, is fixedly connected with the inner wall of the rotary rod, one end of the rotary rod, far away from the elastic rope, is movably connected with the inner wall of the shell, the number of the slide grooves is three, the inner walls of the two slide grooves are movably connected with the outer wall of the inner rod, the inner wall of one slide groove is movably connected with one end of the bent telescopic rod, far away from the inner rod, so that the ice breaking assembly is movably connected with the inner wall of the groove through the telescopic box, the gun head and the ice breaking assembly are fixed, ice breaking work is carried out, and when the ice breaking work is.
As optimization, the length of spout equals with the removal length of limiting plate, and first magnetic path is opposite magnetic pole with the second magnetic path for the maximum length of keeping away from the one end extension of interior pole at the limiting plate can be kept away from the one end contact of frame with the lug, slows down the slew velocity of interior pole with this, thereby reduces the stay cord pulling speed, slows down the upward movement speed of motor with this.
The invention has the beneficial effects that: the fire fighting truck fire water gun capable of being rapidly thawed in winter is characterized in that the ice breaking component is matched with the gun head for use, when the inner wall of the gun head is frozen, the telescopic box can be pressed and contracted and then placed in the groove, at the moment, the telescopic box is extended under the action of the spring, so that the ice breaking component is clamped in the groove, the ice breaking component and the gun head are fixed, then the motor is started, an output shaft of the motor drives the first air pressure telescopic rod to rotate, so as to drive the rotating block to rotate, the rotating block drives the cutter head to rotate, at the moment, the pull rod is pulled downwards, so as to drive the rotating block to move upwards, so that the cutter head enters the inner wall of the gun head to perform ice breaking work, after ice breaking is completed, the pull rod can be pulled upwards, so as to drive the cutter head to extend out of the inner cavity of the gun head, and the rotating rod is rotated, so as to drive the elastic rope, therefore, the ice breaking assembly is taken down, the ice is quickly and directly broken, and the effect of melting ice by pouring hot water is not needed.
This fire engine fire-fighting lance that defrosts fast winter, use through limiting plate and lug cooperation, make when the pulling rod is stimulateeed downwards, drive the tool bit and break ice the during operation, if the speed of pulling the pulling rod is too fast, when the centrifugal force of limiting plate is greater than the magnetic force between first magnetic path and the second magnetic path, the limiting plate is to the one end removal of keeping away from interior pole centre of a circle, at this moment, the one end of the frame is kept away from with the lug to the one end contact of pole centre of a circle in the limiting plate, thereby it is limited to make interior pole slew velocity, reduce with the speed of this stay cord pulling, thereby reduce the swing speed of third atmospheric pressure telescopic link, the rising speed of motor has been.
Drawings
FIG. 1 is a front cross-sectional view of the ice breaking assembly of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 3 is a schematic front view of the structure of the lance head according to the present invention;
FIG. 4 is a schematic perspective cross-sectional view of the structure of the deceleration assembly of the present invention;
FIG. 5 is a schematic cross-sectional elevation view of the structure of the present invention;
FIG. 6 is a front cross-sectional view of the structure of the deceleration assembly of the present invention;
FIG. 7 is an enlarged view of the structure at B in FIG. 6 according to the present invention.
In the figure: 1. a gun head; 2. an ice breaking assembly; 201. a housing; 202. a cross bar; 203. a telescopic box; 204. a spring; 205. a vertical rod; 206. a first bearing; 207. a pull rod; 208. rotating the block; 209. a cutter head; 210. a first pneumatic telescoping rod; 211. a second bearing; 212. a second pneumatic telescopic rod; 213. a motor; 214. a third pneumatic telescopic rod; 215. a third bearing; 216. pulling a rope; 217. a through hole; 3. a speed reduction assembly; 301. an outer frame; 302. a bump; 303. an inner rod; 304. an empty groove; 305. a first magnetic block; 306. a limiting plate; 307. a second magnetic block; 308. a chute; 309. a bent telescopic rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a fire fighting lance for a fire fighting truck to rapidly thaw in winter includes a lance head 1, an ice breaking assembly 2 and a deceleration assembly 3, wherein the outer wall of the lance head 1 is movably connected to the ice breaking assembly 2, and the inner wall of the ice breaking assembly 2 is movably connected to the deceleration assembly 3.
Referring to fig. 1 and 2, the ice breaking assembly 2 includes a housing 201, a cross bar 202 is fixedly mounted on the right side of the housing 201, a telescopic box 203 is fixedly mounted on the right side of the cross bar 202, a spring 204 is fixedly mounted on the inner wall of the telescopic box 203, a vertical bar 205 is fixedly mounted on the inner wall of the housing 201, a first bearing 206 is movably connected to the inner wall of the vertical bar 205, a pull rod 207 is fixedly mounted on the inner wall of the first bearing 206, a rotating block 208 is movably connected to the right side of the first bearing 206, a cutter head 209 is fixedly mounted on the top end of the rotating block 208, a first air pressure telescopic rod 210 is movably connected to the bottom end of the rotating block 208, a second bearing 211 is fixedly mounted on one end of the first air pressure telescopic rod 210 away from the rotating block 208, a second air pressure telescopic rod 212 is movably connected to the left side of the second bearing 211, a motor 213 is movably, the bottom end of the third pneumatic telescopic rod 214 is movably connected with a third bearing 215, a pull rope 216 is fixedly installed on the outer wall of the third pneumatic telescopic rod 214, and a through hole 217 is formed in the bottom end of the shell 201.
Referring to fig. 4, 6 and 7, the speed reduction assembly 3 includes an outer frame 301, a bump 302 is fixedly mounted on an inner wall of the outer frame 301, an inner rod 303 is movably connected to a front surface of the inner wall of the outer frame 301, an empty groove 304 is formed in an inner wall of the inner rod 303, a first magnetic block 305 is fixedly mounted on an inner wall of the empty groove 304, a limiting plate 306 is movably connected to an inner wall of the inner rod 303, a second magnetic block 307 is fixedly mounted at one end, close to the first magnetic block 305, of the limiting plate 306, a sliding groove 308 is formed in an inner wall of the limiting plate 306, and a bent.
Referring to fig. 1 and 5, an annular groove is formed in an outer wall of the rotating block 208, the first bearing 206 is movably connected to an inner wall of the annular groove of the rotating block 208 through a first pneumatic telescopic rod 210, a bottom end of the rotating block 208 is movably connected to the first pneumatic telescopic rod 210 through a second bearing 211, and a bottom end of the first pneumatic telescopic rod 210 is movably connected to an output shaft of a motor 213 through the second bearing 211, so that the rotating block 208 is driven to move up and down by the first pneumatic telescopic rod 210 when the pull rod 207 is swung.
Referring to fig. 1 and 5, the top end of the third pneumatic telescopic rod 214 is movably connected to the outer wall of the motor 213 through the third bearing 215, and the bottom end of the third pneumatic telescopic rod 214 is movably connected to the bottom end of the inner wall of the housing 201 through the third bearing 215, so that the motor 213 may not contact the inner wall of the housing 201, and when the rotating block 208 is pulled by the pull rod 207 to move upward, the motor 213 may be driven to move upward, and may extend into the deeper inner wall of the lance head 1 to break ice.
Referring to fig. 1 and 5, the number of the first pneumatic telescopic rods 210 is four, and every two first pneumatic telescopic rods 210 form one group, and two groups of the first pneumatic telescopic rods 210 are symmetrically distributed around the vertical center line of the rotating block 208, so that when the motor 213 drives the rotating block 208 to rotate by the first pneumatic telescopic rods 210, the rotating block 208 can be driven to move up and down by the pull rod 207.
Referring to fig. 1 and 5, the pulling rope 216 is wound around the outer wall of the inner rod 303, and one end of the pulling rope 216, which is far away from the third pneumatic telescopic rod 214, is fixedly connected to the inner wall of the outer shell 201, so that when the rotating block 208 moves upward too fast to pull the motor 213 to move upward, the pulling rope 216 cooperates with the deceleration component 3 to reduce the upward movement speed of the motor 213, thereby protecting the motor 213.
Referring to fig. 1, 5 and 6, a groove is formed on the inner wall of the left side of the gun head 1, the groove is T-shaped, the inner wall of the telescopic box 203 is provided with an elastic cord and a rotating rod, one end of the elastic cord is fixedly connected with the telescopic box 203, one end of the elastic cord away from the telescopic box 203 is fixedly connected with the inner wall of the rotating rod, one end of the rotating rod away from the elastic cord is movably connected with the inner wall of the housing 201, the number of the sliding grooves 308 is three, the inner walls of two sliding grooves 308 are movably connected with the outer wall of the inner rod 303, the inner wall of one sliding groove 308 is movably connected with one end of the bent telescopic rod 309 away from the inner rod 303, so that the ice breaking assembly 2 is movably connected with the inner wall of the groove through the telescopic box 203, thereby fixing the gun head 1 and the ice breaking assembly 2 for ice breaking work, and when the ice breaking work is completed, the rotating rod can, thereby removing the ice breaking assembly 2.
Referring to fig. 6 and 7, the length of the sliding slot 308 is equal to the moving length of the limiting plate 306, and the first magnetic block 305 and the second magnetic block 307 have opposite magnetic poles, so that the maximum length of the extension at the end of the limiting plate 306 away from the inner lever 303 can be in contact with the end of the protrusion 302 away from the outer frame 301, thereby reducing the rotating speed of the inner lever 303, and reducing the pulling speed of the pulling rope 216, thereby reducing the upward moving speed of the motor 213.
In use, referring to fig. 1-7, when the gun head 1 is frozen, the telescopic box 203 is pressed to contract and then placed in the groove of the gun head 1, the gun head 1 and the ice breaking assembly 2 are fixed, the motor 213 is turned on, the output shaft of the motor 213 drives the first air pressure telescopic rod 210, the second air pressure telescopic rod 212 rotates to drive the rotating block 208 to rotate, the rotating block 208 drives the cutter head 209 to rotate, the cutter head 209 is located at the muzzle position of the gun head 1 at this time, the pull rod 207 is pulled downwards, the pull rod 207 drives the rotating block 208 to move upwards through the first bearing 206 and the first air pressure telescopic rod 210, the first bearing 206 is located in the annular groove of the rotating block 208, the rotating block 208 can rotate, when the rotating block 208 moves upwards, the cutter head 209 is driven to enter the inner wall of the gun head 1 to perform ice breaking work, the first air pressure telescopic rod 210 extends, and the second air pressure telescopic rod 212 contracts, if the frozen depth of the inner cavity of the gun head 1 is deep, the pull rod 207 is continuously pulled downwards, at this time, when the frozen depth exceeds the telescopic length of the first pneumatic telescopic rod 210, the motor 213 can be driven to move upwards to meet the ice breaking depth, meanwhile, if the pulling speed of the pull rod 207 is too high, the third pneumatic telescopic rod 214 for fixing the motor 213 swings too fast, the pull rope 216 contracts too fast, when the speed reduction component 3 is driven to rotate too fast, the centrifugal force applied to the limiting plate 306 on the inner rod 303 is greater than the magnetic force of the first magnetic block 305 and the second magnetic block 307, the limiting plate 306 can be contacted with the convex block 302, so that the pause feeling is generated, the contraction speed of the pull rope 216 is reduced, the swinging speed of the third pneumatic telescopic rod 214 is reduced, the rising speed of the motor 213 is reduced, a user is reminded, the speed of pulling the pull rod 207 is reduced, the motor 213 is protected, and after the ice breaking work, and the pull rod 207 is swung upwards to remove the cutter head 209 from the inner cavity of the gun head 1, the rotating rod is rotated, so that the elastic rope is wound on the outer wall of the rotating rod, the telescopic box 203 is pulled to contract the telescopic box 203, the ice breaking assembly 2 is removed from the inner wall of the gun head 1, and the ice breaking operation is finished.
In summary, in the fire fighting lance of the fire fighting truck capable of being thawed quickly in winter, the ice breaking assembly 2 is used in cooperation with the lance head 1, when the inner wall of the lance head 1 is frozen, the telescopic box 203 can be pressed and contracted to be placed in the groove, at the moment, the telescopic box 203 is extended under the action of the spring 204, so that the ice breaking assembly 2 is clamped in the groove, the ice breaking assembly 2 is fixed with the lance head 1, then the motor 213 is started, the output shaft of the motor 213 drives the first air pressure telescopic rod 210 to rotate, so as to drive the rotating block 208 to rotate, the rotating block 208 drives the cutter head 209 to rotate, at the moment, the pull rod 207 is pulled downwards, so as to drive the cutter head 209 to move upwards, so as to make the cutter head 209 enter the inner wall of the lance head 1 to perform ice breaking operation, after ice breaking is completed, the pull rod 207 can be pulled upwards, so as to drive the cutter head 209 to extend out of the inner cavity of, the telescopic box 203 is pulled to contract, so that the telescopic box 203 can be taken out from the groove, the ice breaking assembly 2 is taken down, when the pull rod 207 is pulled downwards, the cutter head 209 is driven to perform ice breaking operation, if the pulling speed of the pull rod 207 is too high, when the centrifugal force of the limiting plate 306 is greater than the magnetic force between the first magnetic block 305 and the second magnetic block 307, the limiting plate 306 moves towards one end far away from the circle center of the inner rod 303, at the moment, one end, far away from the circle center of the inner rod 303, of the limiting plate 306 is in contact with one end, far away from the outer frame 301, of the lug 302, so that the rotating speed of the inner rod 303 is limited, the pulling speed of the pull rope 216 is reduced, the swinging speed of the third air pressure telescopic rod 214 is reduced, the rising speed of the motor 213 is slowed down, the normal operation of the motor 213 is protected.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.
Claims (9)
1. The utility model provides a fire engine fire water gun that winter unfreezes fast, includes rifle head (1), subassembly (2) and deceleration subassembly (3) that opens ice, its characterized in that: the outer wall of the gun head (1) is movably connected with an ice breaking assembly (2), and the inner wall of the ice breaking assembly (2) is movably connected with a speed reducing assembly (3).
2. The winter rapidly defreezing fire fighting truck fire fighting lance of claim 1, wherein: the ice breaking component (2) comprises a shell (201), a transverse rod (202) is fixedly mounted on the right side of the shell (201), a telescopic box (203) is fixedly mounted on the right side of the transverse rod (202), a spring (204) is fixedly mounted on the inner wall of the telescopic box (203), a vertical rod (205) is fixedly mounted on the inner wall of the shell (201), a first bearing (206) is movably connected to the inner wall of the vertical rod (205), a pull rod (207) is fixedly mounted on the inner wall of the first bearing (206), a rotating block (208) is movably connected to the right side of the first bearing (206), a cutter head (209) is fixedly mounted on the top end of the rotating block (208), a first air pressure telescopic rod (210) is movably connected to the bottom end of the rotating block (208), and a second bearing (211) is fixedly mounted on one end of the first air pressure telescopic rod (210) far away from the rotating, the left side swing joint of second bearing (211) has second pneumatic telescopic link (212), the bottom swing joint of first pneumatic telescopic link (210) has motor (213), the right side swing joint of motor (213) has third pneumatic telescopic link (214), the bottom swing joint of third pneumatic telescopic link (214) has third bearing (215), the outer wall fixed mounting of third pneumatic telescopic link (214) has stay cord (216), through-hole (217) have been seted up to the bottom of shell (201).
3. The winter rapidly defreezing fire fighting truck fire fighting lance of claim 1, wherein: the speed reduction subassembly (3) include frame (301), the inner wall fixed mounting of frame (301) has lug (302), interior pole (303) of the positive swing joint of inner wall of frame (301), dead slot (304) have been seted up to the inner wall of interior pole (303), the inner wall fixed mounting of dead slot (304) has first magnetic block (305), the inner wall swing joint of interior pole (303) has limiting plate (306), the one end fixed mounting that limiting plate (306) are close to first magnetic block (305) has second magnetic block (307), spout (308) have been seted up to the inner wall of limiting plate (306), the outer wall fixed mounting of interior pole (303) has curved telescopic link (309).
4. The winter rapidly defreezing fire fighting truck fire fighting lance of claim 2, wherein: the outer wall of the rotating block (208) is provided with an annular groove, the first bearing (206) is movably connected with the inner wall of the annular groove of the rotating block (208) through the first pneumatic telescopic rod (210), the bottom end of the rotating block (208) is movably connected with the first pneumatic telescopic rod (210) through the second bearing (211), and the bottom end of the first pneumatic telescopic rod (210) is movably connected with an output shaft of the motor (213) through the second bearing (211).
5. The winter rapidly defreezing fire fighting truck fire fighting lance of claim 2, wherein: the top end of the third pneumatic telescopic rod (214) is movably connected with the outer wall of the motor (213) through a third bearing (215), and the bottom end of the third pneumatic telescopic rod (214) is movably connected with the bottom end of the inner wall of the shell (201) through the third bearing (215).
6. The winter rapidly defreezing fire fighting truck fire fighting lance of claim 2, wherein: the number of the first air pressure telescopic rods (210) is four, every two first air pressure telescopic rods (210) form a group, and the two groups of the first air pressure telescopic rods (210) are symmetrically distributed by the vertical center line of the rotating block (208).
7. The winter rapidly defreezing fire fighting truck fire fighting lance of claim 2, wherein: the pull rope (216) is wound on the outer wall of the inner rod (303), and one end, far away from the third pneumatic telescopic rod (214), of the pull rope (216) is fixedly connected with the inner wall of the shell (201).
8. The winter rapidly defreezing fire fighting truck fire fighting lance of claim 1, wherein: the utility model discloses a rifle head, including rifle head (1), the left side inner wall of rifle head (1) is seted up flutedly, and the recess is the T style of calligraphy, and the inner wall of flexible box (203) is provided with stretch cord and rotary rod, the one end and flexible box (203) fixed connection of stretch cord, the one end that stretch cord kept away from flexible box (203) and the inner wall fixed connection of rotary rod, and the rotary rod keeps away from the one end of stretch cord and the inner wall swing joint of shell (201), the quantity of spout (308) is three, and wherein the inner wall of two spout (308) and the outer wall swing joint of interior pole (303), the inner wall of one spout (308) and the one end swing joint of interior pole (303) are kept away from to.
9. The winter rapidly defreezing fire fighting truck fire fighting lance of claim 3, wherein: the length of the sliding chute (308) is equal to the moving length of the limiting plate (306), and the first magnetic block (305) and the second magnetic block (307) are opposite in magnetic pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011171268.3A CN112274830B (en) | 2020-10-28 | 2020-10-28 | Fire engine fire-fighting lance unfreezes fast winter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011171268.3A CN112274830B (en) | 2020-10-28 | 2020-10-28 | Fire engine fire-fighting lance unfreezes fast winter |
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| Publication Number | Publication Date |
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| CN112274830A true CN112274830A (en) | 2021-01-29 |
| CN112274830B CN112274830B (en) | 2022-04-01 |
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| CN202011171268.3A Active CN112274830B (en) | 2020-10-28 | 2020-10-28 | Fire engine fire-fighting lance unfreezes fast winter |
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| CN112274830B (en) | 2022-04-01 |
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