CN110345326A - A kind of fire-fighting robot is automatically de- with device - Google Patents
A kind of fire-fighting robot is automatically de- with device Download PDFInfo
- Publication number
- CN110345326A CN110345326A CN201910736081.4A CN201910736081A CN110345326A CN 110345326 A CN110345326 A CN 110345326A CN 201910736081 A CN201910736081 A CN 201910736081A CN 110345326 A CN110345326 A CN 110345326A
- Authority
- CN
- China
- Prior art keywords
- ring
- positioning pipe
- water pipe
- positioning
- pipe joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 58
- 241001476363 Centropyge acanthops Species 0.000 claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 230000004323 axial length Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 210000002421 cell wall Anatomy 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C33/00—Hose accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/004—Couplings of the quick-acting type using magnets
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The present invention relates to a kind of fire-fighting robots to take off band device automatically, its include positioning pipe, the water pipe joint being mutually clamped with the positioning pipe one end and positioning pipe positioning head being detachably connected far from one end of water pipe joint and ejection tripper being arranged on positioning pipe, one end of the remotely located pipe of water pipe joint is mutually clamped with peripheral hardware fire extinguisher canvas hose；The positioning pipe is circumferentially convexly equipped with snap ring along positioning pipe close to one end of water pipe joint, and inner wall of the water pipe joint close to one end of water pipe joint is equipped with the spring jumping bean being mutually clamped with snap ring；The building ring that the ejection tripper includes the ejection guns being set on positioning pipe and is set on positioning pipe and abuts against with ejection guns, between ejection guns and snap ring, the ejection guns is electrically connected the building ring with external power supply.The present invention, which has, can facilitate staff that fire extinguisher canvas hose is carried out fast quick-detach, labor-saving effect.
Description
Technical field
The present invention relates to the technical fields of fire-fighting robot, take off band device automatically more particularly, to a kind of fire-fighting robot.
Background technique
Current fire-fighting robot needs to be connected with fire extinguisher canvas hose to realize fire fighting supply when carrying out fire-fighting work, and
After fire-fighting work, need to remove fire extinguisher canvas hose from fire-fighting robot；On the one hand there is residual in fire extinguisher canvas hose at this time
Water, lead to fire extinguisher canvas hose heavier-weight, it has not been convenient to fire extinguisher canvas hose is rotated, to be less susceptible to fire extinguisher canvas hose from fire-fighting machine
People removes；On the other hand when carrying out rescue work, fire-fighting robot will drive the mobile larger distance of connector of fire extinguisher canvas hose,
Thus need to be located at the staff at fire hydrant move to remote position could be by the connector of fire extinguisher canvas hose from fire-fighting machine
It is removed on people, wastes manpower.
Summary of the invention
The object of the present invention is to provide a kind of fire-fighting robots to take off band device automatically, can facilitate staff that will use
Complete fire extinguisher canvas hose carries out fast quick-detach, saves manpower.
Foregoing invention purpose of the invention has the technical scheme that
A kind of fire-fighting robot is automatically de- with device, including positioning pipe, the water pipe joint being mutually clamped with positioning pipe one end and determines
One end positioning head being detachably connected and the ejection tripper being arranged on positioning pipe far from water pipe joint are managed in position, described
One end of the remotely located pipe of water pipe joint is mutually clamped with peripheral hardware fire extinguisher canvas hose；The positioning pipe is close to one end of water pipe joint
It is circumferentially convexly equipped with snap ring along positioning pipe, inner wall of the water pipe joint close to one end of water pipe joint is equipped with mutually to be blocked with snap ring
The spring jumping bean connect；The ejection tripper include the ejection guns being set on positioning pipe and be set on positioning pipe and with
The building ring that ejection guns abuts against, between ejection guns and snap ring, the ejection guns is electrically connected the building ring with external power supply
It connects；Ejection guns driving work circumferential direction water pipe joint sliding after energization, makes building ring squeeze spring jumping bean and connects water pipe
Head is mutually separated with positioning pipe.
Positioning pipe is inserted in water pipe joint when needing to be connected with water pipe by using above-mentioned technical proposal,
It is clamped the spring jumping bean of water pipe joint mutually with snap ring；When needing to remove fire extinguisher canvas hose, by ejection guns and outside
Power supply is connected, and so that ejection guns driving building ring is squeezed spring jumping bean and is separated water pipe joint mutually with positioning pipe, subsequent water
Pipe connector is fallen off by gravity, is realized the disassembly to water pipe joint, has been saved manpower, improved disassembly efficiency.
The present invention is further arranged to: the ejection guns includes the acting ring being set on positioning pipe and is set in movement
Electromagnetism cylinder on ring, the electromagnetism cylinder is interior to be equipped with coil, and coil is electrically connected with external power supply；The building ring is close to acting ring
One end abutted against with acting ring；Driving acting ring, which squeezes building ring, after the electromagnetism cylinder is powered keeps building ring sliding along positioning pipe
It is dynamic.
By using above-mentioned technical proposal, electromagnetism cylinder generates magnetic field after being powered, and subsequent acting ring stress is along positioning pipe to work
Make ring and slide and squeeze building ring, building ring is made to squeeze spring jumping bean, dismantlement work is completed, so as to realize to building ring
Automatic driving, is easy to use.
The present invention is further arranged to: the acting ring includes the inner ring for being set on positioning pipe and abutting against with building ring
And the outer ring with the sliding connection of electromagnetism cylinder, the axial length of the outer ring are less than the axial length of inner ring.
By using above-mentioned technical proposal, since interior ring length is greater than outer ring length, thus inner ring is moved in outer ring forced belt
When sliding, inner ring can squeeze building ring faster, improve the drive efficiency of acting ring.
The present invention is further arranged to: being equipped between the inner ring and outer ring and is allowed bit space, the electromagnetism cylinder is close to snap ring
The inner wall of one end offer the card slot being mutually clamped with outer ring, the cell wall of the card slot with allow bit space and plug.
By using above-mentioned technical proposal, card slot and allow bit space carry out grafting can be avoided acting ring from electromagnetism cylinder take off
From the normal use of safety action ring.
The present invention is further arranged to: the outer ring and inner ring are integrally formed.
By using above-mentioned technical proposal, outer ring can facilitate with inner ring integrated molding processes building ring.
The present invention is further arranged to: the building ring is circumferentially convexly equipped with limit film close to one end of acting ring.
By using above-mentioned technical proposal, limit film can increase the contact area between acting ring and building ring, thus
Acting ring is set preferably to squeeze building ring.
The present invention is further arranged to: the outer surface of one end of the nearly spring jumping bean of the water band connection head rest is equipped with non-slip mat
Circle.
By using above-mentioned technical proposal, anti-skid washer can increase the frictional force of water pipe joint outer surface, facilitate work
Make personnel to dismount water pipe joint and other structures.
The present invention is further arranged to: mounting hole is offered on the snap ring, the mounting hole is mutually clamped with installation tool
It is threadedly coupled positioning pipe with positioning head.
By using above-mentioned technical proposal, installation tool is mutually clamped with mounting hole, positioning is then screwed by mounting hole
Pipe, is threadedly coupled positioning pipe with positioning head, so that it is more compact to screw positioning pipe with positioning head.
In conclusion advantageous effects of the invention are as follows:
1. water pipe joint mutually can be separated with positioning pipe, manpower has been saved, improved and tear open by setting ejection tripper
Fill efficiency；
2. staff can be facilitated to dismount water pipe joint by setting anti-skid washer；
3. positioning pipe and positioning head can be dismounted by setting mounting hole.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is structure sectional view of the invention.
Fig. 3 is Structure explosion diagram of the invention.
Fig. 4 is the partial structure sectional view of electromagnetism cylinder in the present invention.
In figure, 1, positioning pipe；11, snap ring；111, mounting hole；2, tripper is launched；21, electromagnetism cylinder；211, card slot；
22, acting ring；221, inner ring；222, outer ring；23, building ring；231, limit film；3, water pipe joint；30, clamping joint；31, bullet
Spring jumping bean；32, anti-skid washer；4, positioning head；41, mounting ring.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
Referring to FIG. 1 and FIG. 2, take off band device automatically for a kind of fire-fighting robot disclosed by the invention, including positioning pipe 1, with
Water pipe joint 3 that 1 one end of positioning pipe is mutually clamped, the positioning head 4 being connect with positioning pipe 1 far from 3 threaded one end of water pipe joint
And it is set in the ejection tripper 2 on positioning pipe 1, tripper 2 is launched between water pipe joint 3 and positioning head 4,
One end of the remotely located pipe 1 of water pipe joint 3 is equipped with clamping joint 30, and water pipe joint 3 passes through clamping joint 30 and peripheral hardware fire water
Pipe is mutually clamped；Positioning pipe 1 is circumferentially convexly equipped with snap ring 11 along 1 tube wall of positioning pipe close to the outer surface of one end of water pipe joint 3, card
Several mounting holes 111 for being mutually clamped with installation tool are offered on ring 11, water pipe joint 3 is close to one end of positioning pipe 1
Inner wall be equipped with the spring jumping bean 31 that is clamped with 11 phase of snap ring, spring jumping bean 31 is connected in one of snap ring 11 far from clamping joint 30
Side；Ejection tripper 2 is set on positioning pipe 1, then by positioning head 4 and one end spiral shell of the positioning pipe 1 far from water pipe joint 3
Line connection, and make positioning head 4 and ejection 2 Joint of tripper, then positioning pipe 1 is inserted into water pipe joint 3, subsequent spring
Jumping bean 31 is clamped with 11 phase of snap ring, and positioning pipe 1 is made to be connected with water pipe joint 3；When needing to remove water pipe joint 3,
Spring jumping bean 31 and the clamping of snap ring 11 are unlocked by ejection tripper 2, separate water pipe joint 3 with 1 phase of positioning pipe,
Subsequent water pipe joint 3 is detached from positioning pipe 1 by gravity.
Wherein, for convenience of dismounting to water pipe joint 3, referring to FIG. 1 and FIG. 2, water pipe joint 3 is close to positioning pipe 1
The outer surface of one end be equipped with anti-skid washer 32 made of rubber；Anti-skid washer 32 can increase by 3 outer surface of water pipe joint
Frictional force, facilitate staff to dismount water pipe joint 3 with other structures.
Referring to Fig. 2 and Fig. 3, ejection tripper 2 includes the work for being set on positioning pipe 1 and connecting with the sliding of positioning pipe 1
The ejection guns for making ring 23 and being set on positioning pipe 1 and abutting against with building ring 23, ejection guns are located at positioning head 4 and snap ring
Between 11, building ring 23 is between ejection guns and snap ring 11；Ejection guns include the acting ring 22 being set on positioning pipe 1 and
It is set in the electromagnetism cylinder 21 on acting ring 22 and with the sliding connection of acting ring 22, the one end and work of acting ring 22 close to building ring 23
Make ring 23 to abut against, electromagnetic coil is equipped in electromagnetism cylinder 21, and electromagnetic coil is electrically connected with external power supply；One end of positioning head 4
It is circumferentially convexly equipped with mounting ring 41, positioning head 4 is affixed by one end bolt of the mounting ring 41 with electromagnetism cylinder 21 far from building ring 23；Electricity
Magnetic cylinder 21 generates magnetic field after being powered, subsequent 22 stress of acting ring is slided along positioning pipe 1 to building ring 23, makes building ring 23 to water pipe
Connector 3 slides and squeezes spring jumping bean 31, and subsequent spring jumping bean 31 retracts and disengage from snap ring 11, to and make water pipe joint
3 separate with 1 phase of positioning pipe.
Referring to Figure 2 to Figure 4, acting ring 22 includes the inner ring for being set on positioning pipe 1 and one end and abutting against with building ring 23
221 and the outer ring 222 with the sliding connection of electromagnetism cylinder 21, inner ring 221 and outer ring 222 be integrally formed, and the axial direction of inner ring 221 is long
Degree is greater than the axial length of outer ring 222；It is equipped between outer ring 222 and inner ring 221 and allows bit space, electromagnetism cylinder 21 is close to snap ring 11
The inner wall of one end offers card slot 211, and card slot 211 and 222 phase of outer ring are clamped, the cell wall of card slot 211 with allow bit space and plug；
When 22 forced-slip of acting ring, inner ring 221 squeezes building ring 23, and subsequent outer ring 222 is inserted into card slot 211, makes acting ring 22
Sliding stops, and acting ring 22 is avoided to fall off from positioning pipe 1 calmly, realizes the driving to building ring, is easy to use.
Further, to increase the contact area between building ring 23 and inner ring 221, referring to Fig. 2 and Fig. 3, building ring 23
One end close to inner ring 221 is circumferentially convexly equipped with limit film 231, and limit film 231 is abutted against with inner ring 221；Wherein, limit film 231
When abutting against with inner ring 221, there are certain intervals between building ring 23 and snap ring 11.
Water pipe joint 3 can be separated with 1 phase of positioning pipe by setting ejection tripper 2, save people by the present invention
Power improves disassembly efficiency；By the way that anti-skid washer 32 is arranged, staff can be facilitated to dismount water pipe joint 3；It is logical
Setting mounting hole 111 is crossed, positioning pipe 1 and positioning head 4 can be dismounted.
The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of fire-fighting robot takes off band device automatically, it is characterised in that: mutually block including positioning pipe (1), with positioning pipe (1) one end
The water pipe joint (3) that connects, the positioning head (4) being detachably connected with positioning pipe (1) far from the one end of water pipe joint (3) and
The ejection tripper (2) being arranged on positioning pipe (1), one end of the remotely located pipe of the water pipe joint (3) (1) disappear with peripheral hardware
Guard tube is mutually clamped；The positioning pipe (1) is circumferentially convexly equipped with snap ring along positioning pipe (1) close to the one end of water pipe joint (3)
(11), inner wall of the water pipe joint (3) close to the one end of water pipe joint (3) is equipped with the spring being mutually clamped with snap ring (11)
Jumping bean (31)；Ejection tripper (2) includes the ejection guns being set on positioning pipe (1) and is set in positioning pipe (1)
Building ring (23) that is upper and abutting against with ejection guns, the building ring (23) are located between ejection guns and snap ring (11), the bullet
Shooting cylinder is electrically connected with external power supply；Ejection guns driving building ring (23) after energization is slided to water pipe joint (3), makes building ring
(23) spring jumping bean (31) are squeezed and separate water pipe joint (3) mutually with positioning pipe (1).
2. a kind of fire-fighting robot according to claim 1 takes off band device automatically, it is characterised in that: the ejection guns includes
The acting ring (22) being set on positioning pipe (1) and the electromagnetism cylinder (21) being set on acting ring (22), the electromagnetism cylinder
(21) coil is equipped in, and coil is electrically connected with external power supply；The building ring (23) is close to the one end of acting ring (22) and dynamic
Make ring (22) to abut against；Driving acting ring (22), which squeezes building ring (23), after the electromagnetism cylinder (21) is powered makes building ring (23) edge
Positioning pipe (1) sliding.
3. a kind of fire-fighting robot according to claim 2 takes off band device automatically, it is characterised in that: the acting ring (22)
Connection is slid including the inner ring (221) for being set on positioning pipe (1) and abutting against with building ring (23) and with electromagnetism cylinder (21)
Outer ring (222), the axial length of the outer ring (222) is less than the axial length of inner ring (221).
4. a kind of fire-fighting robot according to claim 3 takes off band device automatically, it is characterised in that: the inner ring (221)
Be equipped between outer ring (222) and allow bit space, inner wall of the electromagnetism cylinder (21) close to the one end of snap ring (11) offer with outside
The card slot (211) that ring (222) is mutually clamped, the cell wall of the card slot (211) with allow bit space to plug.
5. a kind of fire-fighting robot according to claim 3 takes off band device automatically, it is characterised in that: the outer ring (222)
It is integrally formed with inner ring (221).
6. a kind of fire-fighting robot according to claim 2 takes off band device automatically, it is characterised in that: the building ring (23)
One end close to acting ring (22) is circumferentially convexly equipped with limit film (231).
7. a kind of fire-fighting robot according to claim 1 takes off band device automatically, it is characterised in that: the water band connection head
Outer surface close to the one end of spring jumping bean (31) is equipped with anti-skid washer (32).
8. a kind of fire-fighting robot according to claim 1 takes off band device automatically, it is characterised in that: on the snap ring (11)
It offers mounting hole (111), the mounting hole (111) is mutually clamped with installation tool connects positioning pipe (1) and positioning head (4) screw thread
It connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910736081.4A CN110345326A (en) | 2019-08-09 | 2019-08-09 | A kind of fire-fighting robot is automatically de- with device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910736081.4A CN110345326A (en) | 2019-08-09 | 2019-08-09 | A kind of fire-fighting robot is automatically de- with device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110345326A true CN110345326A (en) | 2019-10-18 |
Family
ID=68184560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910736081.4A Pending CN110345326A (en) | 2019-08-09 | 2019-08-09 | A kind of fire-fighting robot is automatically de- with device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110345326A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307024A (en) * | 2021-12-30 | 2022-04-12 | 湖南中联重科应急装备有限公司 | Water hose tripping device, fire-fighting robot and water hose separating method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203868565U (en) * | 2014-05-22 | 2014-10-08 | 天台县富华塑胶有限公司 | Multi-functional integrated quick-insertion check valve connector |
| CN207437997U (en) * | 2017-11-27 | 2018-06-01 | 绵阳历泰机械制造有限公司 | A kind of warm wind water inlet pipe and water outlet pipe quick-release connector for engine |
| CN207667028U (en) * | 2017-10-26 | 2018-07-31 | 浙江大华技术股份有限公司 | A kind of water band electromagnetism release unit and fire-fighting robot |
| CN108939378A (en) * | 2018-08-15 | 2018-12-07 | 宁波梅山保税港区中重特种机器人有限公司 | A kind of fire water monitor and fire hose coupling fast separation device |
| CN109210302A (en) * | 2018-09-20 | 2019-01-15 | 卢俊文 | A kind of pressure pipeline Quick-action pressure-testing joint and pressure-measuring method |
| CN210566878U (en) * | 2019-08-09 | 2020-05-19 | 北京凌天智能装备集团股份有限公司 | Automatic belt releasing device of fire-fighting robot |
-
2019
- 2019-08-09 CN CN201910736081.4A patent/CN110345326A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203868565U (en) * | 2014-05-22 | 2014-10-08 | 天台县富华塑胶有限公司 | Multi-functional integrated quick-insertion check valve connector |
| CN207667028U (en) * | 2017-10-26 | 2018-07-31 | 浙江大华技术股份有限公司 | A kind of water band electromagnetism release unit and fire-fighting robot |
| CN207437997U (en) * | 2017-11-27 | 2018-06-01 | 绵阳历泰机械制造有限公司 | A kind of warm wind water inlet pipe and water outlet pipe quick-release connector for engine |
| CN108939378A (en) * | 2018-08-15 | 2018-12-07 | 宁波梅山保税港区中重特种机器人有限公司 | A kind of fire water monitor and fire hose coupling fast separation device |
| CN109210302A (en) * | 2018-09-20 | 2019-01-15 | 卢俊文 | A kind of pressure pipeline Quick-action pressure-testing joint and pressure-measuring method |
| CN210566878U (en) * | 2019-08-09 | 2020-05-19 | 北京凌天智能装备集团股份有限公司 | Automatic belt releasing device of fire-fighting robot |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114307024A (en) * | 2021-12-30 | 2022-04-12 | 湖南中联重科应急装备有限公司 | Water hose tripping device, fire-fighting robot and water hose separating method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112639236B (en) | Fence system | |
| CN110345326A (en) | A kind of fire-fighting robot is automatically de- with device | |
| US11187388B2 (en) | Lighting assembly | |
| CN113090853B (en) | Non-excavation pipeline in-situ resin curing and repairing equipment and process thereof | |
| CN103776307B (en) | A kind of electric shock arrests fork | |
| CN109940631B (en) | Clamping unit, mechanical arm assembly, robot and robot control method | |
| CN214554579U (en) | Portable water gun with power | |
| CN210566878U (en) | Automatic belt releasing device of fire-fighting robot | |
| CN108678698A (en) | A kind of eccentric injection mandrel throw in catcher | |
| CN211816624U (en) | Multipurpose fire-fighting water pump adapter | |
| CN209304502U (en) | The installation tool of fire-fighting spraying head | |
| CN108325134B (en) | Automatic belt releasing device of fire-fighting robot | |
| CN210887470U (en) | Domestic electronic sewer pipe dredge and rifle head that applies to dredge | |
| KR200483068Y1 (en) | Grenade housing of inflatable device to water surface | |
| CN211798405U (en) | Movable fire-fighting equipment device | |
| CN210250954U (en) | Bullet-throwing type fire-extinguishing robot | |
| EP3962610A1 (en) | Battery operated fire extinguisher | |
| CN217204422U (en) | Fire hydrant underground water filtering mechanism with anti-blocking function | |
| CN217537152U (en) | Fire control pressure boost steady voltage water supply equipment | |
| CN215461659U (en) | Water supply and drainage device for installation of fire engineering | |
| CN109733558A (en) | One kind is regardless of positive and negative lifesaving appliance | |
| CN214962107U (en) | Compressed air casting device | |
| CN203750077U (en) | Fire-fighting lance with smoke discharge function | |
| CN219352614U (en) | Maintenance device convenient to maintain | |
| CN202892738U (en) | Magnetic-control spray gun |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 101149, Beijing Zhongguancun Tongzhou District science and Technology Park, Tongzhou Park Jinqiao technology industry base, 25 south two street, building 20, B Applicant after: Beijing Lingtian Intelligent Equipment Group Co., Ltd Address before: 101149, Beijing Zhongguancun Tongzhou District science and Technology Park, Tongzhou Park Jinqiao technology industry base, 25 south two street, building 20, B Applicant before: BEIJING TOPSKY CENTURY HOLDING Co.,Ltd. |