CN107137849B - Wall-through water jetting assembly - Google Patents
Wall-through water jetting assembly Download PDFInfo
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- CN107137849B CN107137849B CN201710525902.0A CN201710525902A CN107137849B CN 107137849 B CN107137849 B CN 107137849B CN 201710525902 A CN201710525902 A CN 201710525902A CN 107137849 B CN107137849 B CN 107137849B
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- transmission
- limit switch
- feeding
- tightening
- water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 230000005540 biological transmission Effects 0.000 claims abstract description 107
- 238000005553 drilling Methods 0.000 claims abstract description 41
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 9
- 241000876443 Varanus salvator Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 201000009032 substance abuse Diseases 0.000 description 1
- 230000001960 triggered effect Effects 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
- A62C31/22—Nozzles specially adapted for fire-extinguishing specially adapted for piercing walls, heaped materials, or the like
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- Health & Medical Sciences (AREA)
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
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Abstract
The invention discloses a wall-through water-jetting main device, which relates to the field of wall drilling equipment and comprises a fixed frame, a drilling barrel, a feeding transmission mechanism, a rotating transmission mechanism and a water cannon head, wherein the drilling barrel is erected on the fixed frame, the feeding transmission mechanism is used for driving the drilling barrel to feed, the rotating transmission mechanism is used for driving the drilling barrel to rotate, and the water cannon head is arranged corresponding to the drilling barrel. The device can be used to the fire control and put out a fire, and during the use, whole journey need not the fire fighter and is close to the conflagration scene, and the operation is used very safely, and the rescue is efficient to put out a fire, and fire control effect is good, flexible operation, simple, stable, and practical function is good.
Description
Technical Field
The invention relates to the field of wall drilling equipment, in particular to a general device capable of penetrating through a wall and jetting water.
Background
When the inside conflagration that takes place of building, it is comparatively safe to shoot the water and put out a fire in the building outside the building, a comparatively scientific method of putting out a fire because this kind of method can not need the fire fighter to get into the scene of a fire, can avoid the injures and deaths, and can avoid outside air to get into in the building in a large number and obtain oxygen, burns abuses more, leads to putting out a fire more difficult. When the existing fire extinguishing method is adopted, only the part with lower height of the wall surface can be subjected to water jetting fire extinguishing by manually knocking the broken opening of the wall surface or drilling the hole, the water jetting position is low, the fire extinguishing range is very limited, the fire extinguishing effect cannot be better, the fire extinguishing method for water jetting fire extinguishing at the broken opening of the outer wall of a building and the hole in the higher floor is difficult to implement due to the height problem of the wall surface, the existing method can only be carried out by adopting a method of water sprinkling and fire extinguishing by a firefighter who breaks the door or the window, and great hidden danger exists for the personal safety of the firefighters.
Disclosure of Invention
The invention aims to provide a wall-penetrating water-jetting main device which is used for drilling a wall surface, can automatically control a drilling barrel to apply pressure to the wall surface, is particularly suitable for drilling a higher wall surface outside a building, and can be used for fire fighting and water jetting fire extinguishing.
In order to achieve the purpose, the technical scheme of the invention is as follows: a wall-through water-jetting main device comprises a fixing frame, a drilling barrel erected on the fixing frame, a feeding transmission mechanism for driving the drilling barrel to feed, a rotating transmission mechanism for driving the drilling barrel to rotate, and a water cannon head arranged corresponding to the drilling barrel.
The rotary transmission mechanism comprises a drilling motor, a bearing fixing seat, a drill bit connecting pipe penetrating through the bearing fixing seat, a bearing connected between the bearing fixing seat and the drill bit connecting pipe, and transmission gears which are respectively arranged at one end of the drill bit connecting pipe and the output end of the drilling motor and are meshed with each other; the coaxial fixed connection of drill bushing is at the other end of drill bit connecting pipe, the one end that water cannon big gun head intake sets up the water cannon connecting pipe and passes drill bit connecting pipe and erect on the mount, and the one end of its play water sets up towards the drill bushing, the fixed gliding uide bushing that supplies bearing fixing base embedding direction that is equipped with on the mount.
The feeding transmission mechanism comprises a feeding motor arranged on the fixed frame, a screw rod with one end connected with an output shaft of the feeding motor, a feeding start-stop device provided with a transmission nut and a slide block screwed on the screw rod, and a connecting sheet for connecting the bearing fixed seat and the feeding start-stop device.
The feeding start-stop device comprises a transmission shell, a spring, a pre-tightening limit switch driving rod, a pre-tightening limit switch, a pre-tightening stop limit switch, a feeding reset switch, a feeding stop switch and a transmission nut sliding block, wherein the transmission shell is sleeved on a lead screw and connected, the transmission nut sliding block is embedded in the transmission shell in a sliding mode, an axial sliding structure is arranged between the transmission shell and the transmission nut sliding block, the end portion of the transmission shell can block the transmission nut sliding block, two ends of the spring respectively abut against a transmission bottom cover arranged at the end portion of the transmission nut sliding block and the end portion of the transmission shell, the pre-tightening limit switch and the pre-tightening stop limit switch are correspondingly arranged on the transmission shell at intervals, one end of the pre-tightening limit switch driving rod is connected with the transmission nut sliding block, the other end of the pre-tightening limit switch driving rod sliding block corresponds to the position between the pre-tightening limit switch and the pre-tightening stop limit switch, the pre-tightening limit switch driving rod sliding block can trigger the pre-tightening limit switch or the pre-tightening stop limit switch when the transmission nut sliding block slides, the feeding reset switch and the feeding stop switch respectively correspond to two ends of the lead screw transmission stroke, and the connection piece can trigger the feeding stop switch when the transmission shell.
The wall-penetrating water-jetting main device further comprises a camera.
And a first dustproof rubber ring is arranged on the outer side wall of the water cannon head and is attached to the inner wall of the drill bit connecting pipe or the drill cylinder to form a sealed dustproof structure.
The fixing frame is provided with a fixing plate corresponding to one side where the drilling cylinder penetrates out, a through hole for the drilling cylinder to penetrate out is formed in the fixing plate, a second dustproof rubber ring is arranged on the fixing plate corresponding to the through hole and used for being attached to the outer wall of the drilling cylinder to form a sealed dustproof structure, and one end of the guide sleeve is fixedly connected to the fixing plate.
By adopting the technical scheme, the invention has the beneficial effects that: the wall that will wear wall water-jetting master assembly to correspond and will carry out drilling position, then is controlling to wear wall water-jetting master assembly to carry out drilling work, has bored the hole and is jetting work, and when the device was used for the fire control to put out a fire and uses, whole journey need not the fire fighter and is close to the conflagration scene, and the operation is used very safely, and the rescue is efficient putting out a fire, and fire control effect is good, flexible operation, simple, stable. The fire disaster prevention device can be suitable for different environments around a plurality of fire disaster sites to work, and has good practical effect. The wall-penetrating water jetting main device is reasonable and ingenious in structural arrangement, stable in mechanical structure and stable in transmission. The purpose and effect of the invention can be better realized through the structure.
Drawings
Fig. 1 is a schematic structural view of a fire fighting water cannon vehicle capable of penetrating through a wall to shoot water according to the invention.
Fig. 2 is a schematic structural diagram of a wall-through water-jet assembly in a fire water monitor vehicle capable of jetting water through a wall.
In the figure:
the vehicle 1 is operated; a rotating arm 2; a fixed seat 3; a wall-through water-jetting main device 4;
a fixed frame 41; a fixed plate 411; a through hole 4111; a drill barrel 42; a feed transmission mechanism 43;
a feed motor 431; a lead screw 432; a feed start-stop device 433;
a pre-tightening limit switch deflector rod 4334; a pre-tightening limit switch 4335; a pre-tightening stop limit switch 4336;
a feed reset switch 4337; a feed stop switch 4338;
connecting sheet 434 guide sleeve 435 rotation transmission mechanism 44 drilling motor 441
A bearing holder 442; a bit connection pipe 443; a bearing 444; a drive gear 445;
a water cannon head 45; a water cannon connection pipe 451; a first dust-proof rubber ring 461; a second dust-proof rubber ring 462;
a fixed tube 51; a hose 52.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following specific examples.
The invention discloses a fire water monitor vehicle capable of penetrating through a wall to jet water, which comprises a control vehicle 1, a rotating arm 2, a fixed seat 3, a wall penetrating and water jetting main device 4, a pipeline system, a hydraulic system and a circuit system, wherein the rotating arm 2 is connected with the fixed seat 3; in the figure, a pipeline system, a hydraulic system and a circuit system are not shown, and the circuit system controls the work of the whole vehicle. The positional connection relationship between the respective portions is specifically described below.
The control vehicle 1 is a vehicle body capable of traveling as shown in fig. 1, the vehicle body is provided with a cab, a setting platform of each system device, and the like, the vehicle body in the figure adopts a common vehicle body rotatable and crawler-type traveling structure, such as a vehicle body of an excavator, the vehicle body rotatable facilitates the adjustment of the direction, the crawler-type traveling is adaptable to traveling under various ground conditions, and the traveling is stable.
As shown in fig. 1, one end of the rotating arm 2 is rotatably arranged on the control vehicle 1, the rotating arm 2 can be formed by hinging a plurality of sections, each section can be folded or unfolded independently, so that the length and the height of the rotating arm 2 are changed to enable the wall penetrating and water jetting main device 4 to correspond to the position of a wall surface to be drilled, the folding or the unfolding of the rotating arm 2 is controlled by a hydraulic system, the hydraulic system comprises an oil cylinder arranged between the two rotating arms 2, and the folding and the unfolding of the rotating arm 2 are realized by controlling the stretching of the oil cylinder.
The fixing seat 3 is arranged at the other end of the rotating arm 2 as shown in the figure, and is mainly used for stably installing the wall penetrating water jet device 4.
The wall-through water-jetting assembly 4, as shown in fig. 1 and fig. 2, includes a fixing frame 41, and a drill cylinder 42, a feeding transmission mechanism 43, a rotation transmission mechanism 44, and a water cannon head 45, which are erected on the fixing frame; the feeding transmission mechanism 43 is used for driving the feeding of the drill cylinder 42 during wall drilling, the rotating transmission mechanism 44 is arranged on the feeding transmission mechanism 43 and drives the drill cylinder 42 to rotate, the drill cylinder 42 is connected to the rotating transmission mechanism 44, the water cannon head 45 is arranged corresponding to the drill cylinder 42, during operation, the rotating transmission mechanism 44 drives the drill cylinder 42 to rotate and drill a wall surface, the water cannon head 45 can be flushed and cooled by water during drilling, the feeding transmission mechanism 43 drives the rotating transmission mechanism 44 and the drill cylinder 42 to feed during drilling until the wall surface is drilled, the water cannon head 45 shoots the water, and a column drilled on the wall surface is flushed out of the drill cylinder 42 under the impulsive force of the water, so that water-shooting fire extinguishing can be started. If necessary, the wall-through water-jetting main device 4 can be further provided with a camera, which is not shown in the figure, so that the observation during drilling and water jetting is facilitated, and the problems can be found in time.
In this embodiment, as shown in fig. 2, the rotation transmission mechanism 44 includes a drilling motor 441, a bearing fixing seat 442, a drill connecting pipe 443 passing through the bearing fixing seat 442, a bearing 444 connected between the bearing fixing seat 442 and the drill connecting pipe 443, and a transmission gear 445 respectively disposed at one end of the drill connecting pipe 443 and at the output end of the drilling motor 441 and engaged with each other; the drill cylinder 42 is coaxially and fixedly connected to the other end of the drill bit connecting pipe 443, the water cannon connecting pipe 451 is arranged at the water inlet end of the water cannon head 45 and is erected on the fixing frame 41 through the drill bit connecting pipe 443, the water outlet end of the water cannon connecting pipe 443 is arranged towards the drill cylinder 42, and the water cannon connecting pipe 443 is connected with a pipeline system. In this embodiment, the outer side wall of the water cannon head 45 is provided with a first dustproof rubber ring 461 for fitting with the drill connecting pipe 443 or the inner wall of the drill cylinder 42 to form a sealed dustproof structure, which can reduce dust from entering the rotation transmission mechanism 44 and the feeding transmission mechanism 43 during drilling.
In this embodiment, as shown in fig. 2, the feeding transmission mechanism 43 includes a feeding motor 431 disposed on the fixing frame 41, a screw rod 432 having one end connected to an output shaft of the feeding motor 431, a feeding start/stop device 433 disposed with a transmission nut slider 4331 screwed on the screw rod 432, and a connecting sheet 434 connecting the bearing fixing seat 442 and the feeding start/stop device 433.
In this embodiment, as shown in fig. 2, the fixing frame 41 is fixedly provided with a guide sleeve 435 for the bearing fixing seat 442 to be inserted into and slide in a guiding manner, so as to keep the action stable, and the bearing fixing seat 442 and the guide sleeve 435 may be provided with a limiting structure for limiting the bearing fixing seat 442 to slide only in the axial direction in the guide sleeve, so as to prevent the bearing fixing seat 442 from rotating relative to the guide sleeve to affect the drilling operation of the drill bit; in this embodiment, preferably, the fixing frame 41 is provided with a fixing plate 411 corresponding to one side of the drilling cylinder 42 penetrating out, the fixing plate 411 is provided with a through hole 4111 for the drilling cylinder 42 to penetrate out, the fixing plate 411 is provided with a second dustproof rubber ring 462 corresponding to the through hole 4111 for fitting with the outer wall of the drilling cylinder 42 to form a sealed dustproof structure, one end of the guide sleeve 435 is fixedly connected to the fixing plate 411, and dust enters the rotary transmission mechanism 44 when drilling can be avoided due to the arrangement of the structure.
In this embodiment, as shown in fig. 2, the feeding start-stop device 433 includes a transmission housing 4332, a spring 4333, a pre-tightening limit switch shift lever 4334, a pre-tightening limit switch 4335, a pre-tightening stop limit switch 4336, a feeding reset switch 4337, a feeding stop switch 4338, and the transmission nut slider 4331, where the transmission housing 4332 is sleeved on the lead screw 432 and connected thereto, the transmission nut slider 4331 is slidably embedded in the transmission housing 4332, an axial sliding structure is provided between the transmission housing 4332 and the transmission nut slider 4331, as shown in the drawing, a sliding groove is axially provided on the transmission housing 4332, the transmission nut slider 4331 is provided with a sliding groove embedded therein, an end of the transmission housing 4332 can block the transmission nut slider 4331, two ends of the spring 4333 respectively abut against transmission bottom covers provided at the ends of the transmission nut slider 4331 and the transmission housing 4332, the pre-tightening stop limit switch 4336 and the transmission bottom cover 4332, the pre-tightening stop limit switch 4335 and the pre-tightening stop limit switch 4336 are correspondingly disposed on the transmission housing 4332 at intervals, and the transmission switch 4331, and the pre-tightening stop limit switch 4335 is connected to the transmission housing 4335, and the pre-tightening stop switch 4335, when the pre-tightening stop switch 4335 or the pre-tightening stop switch contacts the transmission switch 4335, the feeding limit switch 4335, the feeding stop switch 4335, the feeding limit switch 4335, and the feeding stop switch 4335, and the feeding limit switch is respectively, and the feeding limit switch 4332, and the feeding limit switch.
The pipeline system is connected with the wall-through water-jetting main device 4 for supplying water, in particular to a water cannon connecting pipe 443, and as shown in fig. 1, the pipeline system comprises fixed pipes 51 respectively and fixedly arranged on each rotating arm 2 and a hose 52 connected between every two adjacent fixed pipes 51, and the hose 52 can be bent at will and corresponds to the turning part of the rotating arm 2, so that the pipeline connection is not affected when the rotating arm 2 is bent.
Referring to fig. 2, the following description will be made of the operation principle, after the rotating arm 2 is operated to make the wall-penetrating water-jetting main device 4 correspond to the wall surface position to be subjected to wall-penetrating water-jetting, the wall-penetrating water-jetting main device 4 is started, the drilling motor 441 and the feeding motor 431 are started, the drilling motor 441 drives the drill bit connecting pipe 443 to rotate through the transmission gear 445, the drill bit 42 is linked to rotate, the drill bit 42 starts to drill towards the wall surface, the feeding motor 431 drives the screw rod 432 to rotate, since the transmission housing 4332 is connected with the connecting sheet 434, the connecting sheet 434 is connected with the bearing fixing seat 442, and the bearing fixing seat 442 is fixedly arranged on the fixing frame 41, it can be known that the transmission housing 4332 is non-rotatable, and the transmission nut slider 4331 can slide axially in the transmission housing 4332 under the limitation of the axial sliding structure, so that the screw rod 432 rotates, and drives the transmission nut slider 4331 to slide at the other end of the screw rod 432 in the transmission housing 4332, and compress the spring 4333, the elastic tension of the spring 4333 acts on the transmission housing 4332, the transmission housing 4332 drives the drill connecting pipe 443 to advance towards the wall surface through the connecting sheet 434, so that the drill cylinder 42 is fed to drill, or the drill cylinder 42 is pressed against the wall surface all the time, which is beneficial to the drilling work, because the drill cylinder 42 is slowly drilled and polished during the drilling process rather than being advanced all the time, the drill cylinder 42 cannot be pushed all the time under the counter-acting force of the wall surface, the feeding motor does not need to be fed all the time, the start-stop work of the feeding motor is that the transmission nut slider 4331 slides at the other end of the screw rod 432 in the transmission housing 4332 and drives the pre-tightening limit switch deflector 4334 to move towards the pre-tightening stop limit switch 4336, when the drill cylinder 42 cannot be pushed any more, the transmission nut slider 4331 can compress the spring 4333 to drive the pre-tightening limit switch deflector 4334 to trigger the pre-tightening stop limit switch 4336, the feed motor 431 stops working, the drill cylinder can still be continuously supported on the wall surface under the action of elastic tension of a spring 4333, the elastic tension of the spring 4333 also acts on a transmission nut slider 4331, when the drill cylinder slowly drills a section, the transmission nut slider 4331 retreats towards the direction of the feed motor and also slowly drives a pretightening limit switch deflector 4334 to move towards a pretightening limit switch 4335 until the pretightening limit switch 4335 is triggered, the feed motor is started to work, the screw transmission nut slider 4331 is driven to repeat the steps until the wall penetration is finished, meanwhile, a transmission shell 4332 of a feed start-stop device 433 moves to the other end of a screw to trigger a feed reset switch, the feed motor is reversed, the feed start-stop device 433 retreats to the initial position under the drive of the transmission nut slider 4331, a drill bit connecting pipe is driven to retreat to the initial position, meanwhile, the transmission shell 4332 triggers the feed stop switch, the work of the feed motor is stopped, the drill motor is controlled to stop working, the work of the drill machine is controlled, one-time, then, the water gun head is controlled to extinguish fire, if water is required to flush and the water, the water-shooting head is washed and the shooting process can be observed in the water-shooting process can be carried out, and the camera can be carried out. After the fire extinguishing is finished, the rotating arm is controlled to fold.
The above embodiments and drawings are not intended to limit the form and style of the product of the present invention, and any suitable changes or modifications thereof by one of ordinary skill in the art should be considered as not departing from the scope of the present invention.
Claims (3)
1. The utility model provides a wall penetrating water jet assembly which characterized in that: the water cannon comprises a fixed frame, a drill cylinder, a feeding transmission mechanism, a rotating transmission mechanism and a water cannon head, wherein the drill cylinder is erected on the fixed frame;
the rotary transmission mechanism comprises a drilling motor, a bearing fixing seat, a drill bit connecting pipe penetrating through the bearing fixing seat, a bearing connected between the bearing fixing seat and the drill bit connecting pipe, and transmission gears which are respectively arranged at one end of the drill bit connecting pipe and the output end of the drilling motor and are meshed with each other; the drill barrel is coaxially and fixedly connected to the other end of the drill bit connecting pipe, one water inlet end of the water cannon gun head is provided with the water cannon connecting pipe and penetrates through the drill bit connecting pipe to be arranged on the fixing frame in a supporting mode, one water outlet end of the water cannon gun head is arranged towards the drill barrel, and the fixing frame is fixedly provided with a guide sleeve for the bearing fixing seat to be embedded into and slide in a guiding mode;
the feeding transmission mechanism comprises a feeding motor arranged on the fixed frame, a screw rod with one end connected with an output shaft of the feeding motor, a feeding start-stop device provided with a transmission nut and a slide block screwed on the screw rod, and a connecting sheet for connecting the bearing fixed seat and the feeding start-stop device;
the feeding start-stop device comprises a transmission shell, a spring, a pre-tightening limit switch driving rod, a pre-tightening limit switch, a pre-tightening stop limit switch, a feeding reset switch, a feeding stop switch and a transmission nut sliding block, wherein the transmission shell is sleeved on a lead screw and connected with the lead screw, the transmission nut sliding block is embedded in the transmission shell in a sliding mode, an axial sliding structure is arranged between the transmission shell and the transmission nut sliding block, the end part of the transmission shell can block the transmission nut sliding block, two ends of the spring respectively abut against a transmission bottom cover arranged at the end part of the transmission nut sliding block and the end part of the transmission shell, the pre-tightening limit switch and the pre-tightening stop limit switch are correspondingly arranged on the transmission shell at intervals, one end of the pre-tightening limit switch driving rod is connected with the transmission nut sliding block, the other end of the pre-tightening limit switch sliding block corresponds to the position between the pre-tightening limit switch and the pre-tightening stop limit switch, the pre-tightening limit switch driving rod sliding block can trigger the pre-tightening limit switch or the pre-tightening stop limit switch when sliding, the feeding reset switch and the feeding stop switch respectively correspond to two ends of the transmission stroke of the lead screw, and the connection piece can trigger the transmission shell when the transmission nut sliding block slides to two ends of the lead screw;
and a first dustproof rubber ring is arranged on the outer side wall of the water cannon head and is attached to the inner wall of the drill bit connecting pipe or the drill cylinder to form a sealed dustproof structure.
2. A wall penetrating water jet assembly as recited in claim 1, wherein: the fixing frame is provided with a fixing plate corresponding to one side where the drill cylinder penetrates out, a through hole for the drill cylinder to penetrate out is formed in the fixing plate, a second dustproof rubber ring is arranged on the fixing plate corresponding to the through hole and is attached to the outer wall of the drill cylinder to form a sealed dustproof structure, and one end of the guide sleeve is fixedly connected to the fixing plate.
3. A wall penetrating water jet assembly as claimed in any one of claims 1 to 2 wherein: the wall-penetrating water-jetting main device further comprises a camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525902.0A CN107137849B (en) | 2017-06-30 | 2017-06-30 | Wall-through water jetting assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710525902.0A CN107137849B (en) | 2017-06-30 | 2017-06-30 | Wall-through water jetting assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107137849A CN107137849A (en) | 2017-09-08 |
| CN107137849B true CN107137849B (en) | 2022-11-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710525902.0A Expired - Fee Related CN107137849B (en) | 2017-06-30 | 2017-06-30 | Wall-through water jetting assembly |
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| CN (1) | CN107137849B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110801591B (en) * | 2019-11-07 | 2021-08-24 | 长沙中联消防机械有限公司 | Wall-through fire extinguishing device, arm support and fire fighting vehicle |
| CN110917546B (en) * | 2019-11-22 | 2021-06-04 | 安徽匠桥财务咨询服务有限公司 | Anti-backfire type drilling fire-fighting lance |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015014009A1 (en) * | 2013-07-30 | 2015-02-05 | Chan So | Drilling and through-wall fire extinguishing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101947372B (en) * | 2010-10-07 | 2013-03-13 | 牛振国 | Automatic rescuing and fire foam drilling gun for magnetic adhesion oil tank |
| CN204486946U (en) * | 2014-06-13 | 2015-07-22 | 青岛沃顿液压设备有限公司 | The sudden disconnected automatic stop arrangement of driving screw tapping machine screw tap |
| CN104308216B (en) * | 2014-09-29 | 2016-08-31 | 东北大学 | Common ammunition package encapsulation detection puncher |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015014009A1 (en) * | 2013-07-30 | 2015-02-05 | Chan So | Drilling and through-wall fire extinguishing device |
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| CN107137849A (en) | 2017-09-08 |
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Granted publication date: 20221115 |