CN107970547A - A kind of fast and easy fixes and easy to adjust the fire-fighting lance of spray angle - Google Patents
A kind of fast and easy fixes and easy to adjust the fire-fighting lance of spray angle Download PDFInfo
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- CN107970547A CN107970547A CN201711096482.5A CN201711096482A CN107970547A CN 107970547 A CN107970547 A CN 107970547A CN 201711096482 A CN201711096482 A CN 201711096482A CN 107970547 A CN107970547 A CN 107970547A
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- easy
- fire
- inner chamber
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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
- A62C31/03—Nozzles specially adapted for fire-extinguishing adjustable, e.g. from spray to jet or vice versa
-
- 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 present invention relates to fire-fighting lance technical field, and disclose a kind of fast and easy and fix and easy to adjust the fire-fighting lance of spray angle, including base, the inside of the base offer first inner chamber, the inside of the first inner chamber, which is interted, is provided with connecting pole.The fast and easy fixes and easy to adjust the fire-fighting lance of spray angle, by the way that hydraulic gun body is stuck in C-shaped snap ring, screw bolt and nut will be tightened again, hydraulic gun body can be consolidated, pass through the connecting rod and second bearing of C-shaped snap ring both sides again at the same time, hydraulic gun body can be made to carry out the adjusting of downward tilt in U-shaped frame, pass through rotating disc again at the same time, the mode of ball grooves and free ball, hydraulic gun body can be made to carry out the rotation of 360 deg, the device only needs a fireman just to carry out swing angle, it is effectively reduced the physical demands of fireman, also the progress of fire rescue is effectively raised.
Description
Technical field
The present invention relates to fire-fighting lance technical field, is specially that a kind of fast and easy is fixed and easy to adjust spray angle
Fire-fighting lance.
Background technology
Fire-fighting lance：It is the jetting instrument of fire extinguishing, can sprays intensive substantial current with itself and water band connection, there is range
Far, the advantages that water is big, can be divided into according to pattern and feature difference：Straight stream nozzle, water fog nozzle, diffuser etc., its
In common hydraulic giant be direct current and water fog nozzle.
Such as a kind of fire-fighting lance that China Patent No. is 104667464 A of CN, the advantages of fire-fighting lance of the invention, is：
With injector aid, hydraulic pressure and its flow velocity can be improved by the pressure inlet on injector aid, in current and can be helped with injecting cavity
Penetrate between pipe and form air cushion layer, effectively reduce current and help the frictional force penetrated between pipe, so that larger raising range, but disappear
The positioning and rotation of anti-hydraulic giant are completed by fireman, need three or four firemans to grasp fire-fighting lance at fire-fighting scene
Head, and ceaselessly to swing certain angle sometimes for fireman, fireman needs for a long time when the intensity of a fire is very big
Powerful squirt gun is shouldered, because the reaction force of Powerful squirt gun is very big, long-time stable Powerful squirt gun will also constantly swing strength water
Rifle, this will consume very big muscle power, and the manpower for consuming fireman influences the progress of fire rescue, so propose a kind of just fast
Speed is fixed and is easy to adjust the fire-fighting lance of spray angle to solve the problems, such as above-mentioned be previously mentioned.
The content of the invention
(1) technical problem solved
In view of the deficiencies of the prior art, fixed and the present invention provides a kind of fast and easy easy to adjust disappearing for spray angle
Anti- hydraulic giant, possesses the advantages of fast and easy fixes and is easy to adjust, it is by fireman to solve the positioning of fire-fighting lance and rotation
Come what is completed, three or four firemans are needed at fire-fighting scene to grasp the head of fire-fighting lance, and will sometimes for fireman
Certain angle is ceaselessly swung, when the intensity of a fire is very big, fireman needs to shoulder Powerful squirt gun for a long time, because Powerful squirt gun
Reaction force is very big, and long-time stable Powerful squirt gun will also constantly swing Powerful squirt gun, this will consume very big muscle power, and disappear
The problem of consuming the manpower of fireman influences the progress of fire rescue.
(2) technical solution
To realize that above-mentioned fast and easy is fixed and easy to adjust the purpose of fire-fighting lance spray angle, the present invention provides as follows
Technical solution：A kind of fast and easy fixes and easy to adjust the fire-fighting lance of spray angle, including base, the inside of the base
First inner chamber is offered, the inside of the first inner chamber, which is interted, is provided with connecting pole, on the connecting pole and positioned at base
Inside is inlaid with clutch shaft bearing, the bottom of the connecting pole and is installed with rotating disc positioned at the inside of first inner chamber, institute
State the bottom of rotating disc and the inner bottom wall of first inner chamber offers the ball grooves being evenly distributed, the ball grooves of top are with
Free ball is both provided between the ball grooves of side, support column is installed with the top of the connecting pole, the support column
Top offers locating slot, and top plate is installed with the top of the support column, interts on the top plate and is provided with motion bar, institute
State the bottom of motion bar and be installed with limiting plate positioned at the inside of locating slot, the bottom of the limiting plate is installed with
Buffer spring, the bottom of the buffer spring are fixedly connected with the inner bottom wall of locating slot, the fixed peace in both sides of the limiting plate
Equipped with sliding block, the inner walls of the locating slot both sides offer with the corresponding bar shaped sliding slot of sliding block, the inside of the top plate is simultaneously
Second inner chamber is offered on the left of motion bar, the inside of the second inner chamber, which is interted, is provided with kelly, the motion bar
Left side offers card slot that is corresponding with kelly and being spaced substantially equidistant, and the left end of the kelly is simultaneously located at the interior of second inner chamber
Portion is installed with limited block, the inside of the second inner chamber and is provided with resetting spring on the left of limited block, described
It is installed with U-shaped frame at the top of motion bar, the equal inserts in the opposite side of the U-shaped frame has a second bearing, two described
The opposite side of two bearings is installed with connecting rod, and C-shaped bullet is installed between two connecting rod opposite sides
Property snap ring, the top of the C-shaped snap ring, which is interted, is provided with bolt, and nut, the C-shaped bullet are threaded with the bolt
Property snap ring between intert be provided with hydraulic gun body, the front of the hydraulic gun body is installed with connector.
Preferably, the motion bar is slidably connected by sliding block and bar shaped sliding slot with support column.
Preferably, the left end of the resetting spring is fixedly connected with second inner chamber, the right end of the resetting spring with it is spacing
Block is fixedly connected.
Preferably, the support column passes through connecting pole, clutch shaft bearing, first inner chamber, rotating disc, ball grooves and free ball
It is connected with base rotation.
Preferably, the kelly is clamped by second inner chamber, limited block, resetting spring and card slot and motion bar.
Preferably, the right end of the kelly and the trapezoidal shape of card slot, the right end of the kelly through second inner chamber and prolong
Extend the inside of card slot.
Preferably, the bottom of the motion bar extends to the inside of locating slot, and top plate is extended at the top of the motion bar
Top, the top of base is extended at the top of the connecting pole.
Preferably, the hydraulic gun body is connected by screw bolt and nut with C-shaped snap ring.
Preferably, the length of the bar shaped sliding slot is less than the depth of locating slot, the C-shaped snap ring by connecting rod and
Second bearing is rotatablely connected with U-shaped frame.
(3) beneficial effect
Compared with prior art, fixed and the present invention provides a kind of fast and easy easy to adjust the fire water of spray angle
Rifle, possesses following beneficial effect：
1st, the fast and easy fixes and easy to adjust the fire-fighting lance of spray angle, by the way that hydraulic gun body is stuck in C-shaped bullet
In property snap ring, then screw bolt and nut will be tightened, and hydraulic gun body can be consolidated, while pass through C-shaped snap ring both sides again
Connecting rod and second bearing, hydraulic gun body can be made to carry out the adjusting of downward tilt in U-shaped frame, while again by turning
The mode of Moving plate, ball grooves and free ball, can make hydraulic gun body carry out the rotation of 360 deg, which only needs one
Fireman can just carry out swing angle, be effectively reduced the physical demands of fireman, also effectively raise fire rescue
Progress.
2nd, the fast and easy fixes and easy to adjust the fire-fighting lance of spray angle, by improving or pressing down on upwards
Motion bar can just adjust the height of hydraulic gun body, and when adjusting to the height wanted, the kelly spring bullet that will be reset is stuck in
In card slot on motion bar, which effectively have adjusted the height of hydraulic gun body, hydraulic gun body is coordinated fireman
Height, the effective difficulty for reducing fire-fighting, has effectively put forward soon the speed of fire rescue.
Brief description of the drawings
Fig. 1 is that a kind of fast and easy proposed by the present invention is fixed and easy to adjust the fire-fighting lance structural representation of spray angle
Figure；
Fig. 2 is that a kind of fast and easy proposed by the present invention is fixed and regarded easy to adjust the fire-fighting lance structure side of spray angle
Figure；
Fig. 3 is that a kind of fast and easy proposed by the present invention is fixed and easy to adjust in fire-fighting lance Fig. 1 of spray angle at A
Schematic enlarged-scale view；
Fig. 4 is that a kind of fast and easy proposed by the present invention is fixed and easy to adjust in fire-fighting lance Fig. 1 of spray angle at B
Schematic enlarged-scale view；
Fig. 5 is that a kind of fast and easy proposed by the present invention is fixed and easy to adjust in fire-fighting lance Fig. 1 of spray angle at C
Schematic enlarged-scale view.
In figure：1 base, 2 first inner chambers, 3 connecting poles, 4 clutch shaft bearings, 5 rotating discs, 6 ball grooves, 7 free balls, 8
Dagger, 9 locating slots, 10 top plates, 11 motion bars, 12 limiting plates, 13 buffer springs, 14 sliding blocks, 15 bar shaped sliding slots, in 16 second
Chamber, 17 kellies, 18 card slots, 19 limited blocks, 20 resetting springs, 21U shapes frame, 22 second bearings, 23 connecting rods, 24C shape elastic cards
Ring, 25 bolts, 26 nuts, 27 hydraulic gun bodies, 28 connectors.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
- 5 are please referred to Fig.1, a kind of fast and easy fixes and easy to adjust the fire-fighting lance of spray angle, including base 1, bottom
The inside of seat 1 offers first inner chamber 2, and the inside of first inner chamber 2, which is interted, is provided with connecting pole 3, and the top of connecting pole 3 extends to
The top of base 1, clutch shaft bearing 4 is inlaid with connecting pole 3 and positioned at the inside of base 1, the bottom of connecting pole 3 and is located at
The inside of first inner chamber 2 is installed with rotating disc 5, and the bottom of rotating disc 5 and the inner bottom wall of first inner chamber 2 are opened up and be distributed
Uniform ball grooves 6, free ball 7 is both provided between the ball grooves 6 of top and the ball grooves 6 of lower section, by rotating disc 5,
The mode of ball grooves 6 and free ball 7, can make hydraulic gun body 27 carry out the rotation of 360 deg, the top of connecting pole 3 is consolidated
Dingan County is equipped with support column 8, and support column 8 passes through connecting pole 3, clutch shaft bearing 4, first inner chamber 2, rotating disc 5, ball grooves 6 and activity
Ball 7 is rotatablely connected with base 1, and the top of support column 8 offers locating slot 9, and the top of support column 8 is installed with top plate
10, intert on top plate 10 and be provided with motion bar 11, the bottom of motion bar 11 extends to the inside of locating slot 9, the top of motion bar 11
Portion extends to the top of top plate 10, and motion bar 11 is slidably connected by sliding block 14 and bar shaped sliding slot 15 with support column 8, motion bar 11
Bottom and be installed with limiting plate 12 positioned at the inside of locating slot 9, limiting plate 12 prevents motion bar 11 from skidding off locating slot
9, the bottom of limiting plate 12 is installed with buffer spring 13, and the bottom of buffer spring 13 is fixed with the inner bottom wall of locating slot 9 to be connected
Connect, the both sides of limiting plate 12 are installed with sliding block 14, and the inner walls of 9 both sides of locating slot offers corresponding with sliding block 14
Bar shaped sliding slot 15, sliding block 14 and bar shaped sliding slot 15 are the position of firm limiting plate 12, and limit the operating range of limiting plate 12, bar
The length of shape sliding slot 15 is less than the depth of locating slot 9, and the inside of top plate 10 is simultaneously offered in second positioned at the left side of motion bar 11
Chamber 16, the inside of second inner chamber 16, which is interted, is provided with kelly 17, and kelly 17 passes through second inner chamber 16, limited block 19, resetting spring
20 and card slot 18 be clamped with motion bar 11, the trapezoidal shape of right end and card slot 18 of kelly 17, the right end of kelly 17 runs through second
Inner cavity 16 and the inside for extending to card slot 18, the left side of motion bar 11 offer corresponding with kelly 17 and are spaced substantially equidistant
Card slot 18, kelly 17 and card slot 18 can block motion bar 11, and the left end of kelly 17 is simultaneously consolidated positioned at the inside of second inner chamber 16
Dingan County is equipped with limited block 19, the inside of second inner chamber 16 and the left side of limited block 19 is provided with resetting spring 20, resets
The left end of spring 20 is fixedly connected with second inner chamber 16, and the right end of resetting spring 20 is fixedly connected with limited block 19, motion bar 11
Top be installed with U-shaped frame 21, the equal inserts in the opposite side of U-shaped frame 21 has second bearing 22, two second bearings 22
Opposite side is installed with connecting rod 23, and connecting rod 23 and second bearing 22 can make hydraulic gun body 27 in U-shaped frame 21
The interior adjusting for carrying out downward tilt, is installed with C-shaped snap ring 24, C-shaped between two 23 opposite sides of connecting rod
Snap ring 24 can block hydraulic gun body 27, and can take out hydraulic gun body 27, and C-shaped snap ring 24 passes through connecting rod 23
It is rotatablely connected with second bearing 22 and U-shaped frame 21, the top of C-shaped snap ring 24, which is interted, is provided with bolt 25, spiral shell on bolt 25
Line is connected with nut 26, bolt 25 and nut 26, hydraulic gun body 27 can be consolidated, and interts between C-shaped snap ring 24
Hydraulic gun body 27 is provided with, hydraulic gun body 27 is connected by bolt 25 and nut 26 with C-shaped snap ring 24, hydraulic gun body 27
Front be installed with connector 28, the convenient connection with water pipe of connector 28, by the way that hydraulic gun body 27 is stuck in C-shaped elasticity
In snap ring 24, then bolt 25 and nut 26 will be tightened, and hydraulic gun body 27 can be consolidated, while pass through C-shaped elastic card again
The connecting rod 23 and second bearing 22 of 24 both sides of ring, can make hydraulic gun body 27 carry out downward tilt in U-shaped frame 21
Adjust, while again by way of rotating disc 5, ball grooves 6 and free ball 7, hydraulic gun body 27 can be made to carry out 360
The rotation of degree, the device only need a fireman just to carry out swing angle, are effectively reduced the physical demands of fireman,
Also the progress of fire rescue is effectively raised, also, can just be adjusted by improving or pressing down on motion bar 11 upwards
The height of hydraulic gun body 27, when adjusting to the height wanted, 20 bullet of spring that will be reset of kelly 17 is stuck on motion bar 11
Card slot 18 in, which effectively have adjusted the height of hydraulic gun body 27, hydraulic gun body 27 is coordinated fireman
Height, the effective difficulty for reducing fire-fighting, has effectively put forward soon the speed of fire rescue.
In conclusion the fast and easy fixes and easy to adjust the fire-fighting lance of spray angle, by by hydraulic gun body 27
It is stuck in C-shaped snap ring 24, then bolt 25 and nut 26 will be tightened, hydraulic gun body 27 can be consolidated, while lead to again
The connecting rod 23 and second bearing 22 of 24 both sides of C-shaped snap ring are crossed, hydraulic gun body 27 can be made to be carried out up and down in U-shaped frame 21
The adjusting at angle of inclination, while again by way of rotating disc 5, ball grooves 6 and free ball 7, can make hydraulic gun body 27 into
The rotation of row 360 deg, the device only need a fireman just to carry out swing angle, are effectively reduced fireman
Physical demands, also effectively raise the progress of fire rescue.
Also, the fast and easy fixes and easy to adjust the fire-fighting lance of spray angle, by improving upwards or downwards
Pressing motion bar 11 can just adjust the height of hydraulic gun body 27, and when adjusting to desired height, kelly 17 will be reset
20 bullet of spring is stuck in the card slot 18 on motion bar 11, and which effectively have adjusted the height of hydraulic gun body 27, effectively make
Hydraulic gun body 27 coordinates the height of fireman, and the effective difficulty for reducing fire-fighting, has effectively put forward soon the speed of fire rescue.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed, or further include as this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there are other identical element in process, method, article or equipment including the key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of fast and easy fixes and easy to adjust the fire-fighting lance of spray angle, including base (1), it is characterised in that：Institute
The inside for stating base (1) offers first inner chamber (2), and the inside of the first inner chamber (2), which is interted, is provided with connecting pole (3), institute
State on connecting pole (3) and be inlaid with clutch shaft bearing (4), the bottom and position of the connecting pole (3) positioned at the inside of base (1)
Rotating disc (5), the bottom of the rotating disc (5) and the interior bottom of first inner chamber (2) are installed with the inside of first inner chamber (2)
Wall offers the ball grooves (6) being evenly distributed, and is respectively provided between the ball grooves (6) of top and the ball grooves (6) of lower section
There is free ball (7), support column (8) is installed with the top of the connecting pole (3), is opened up at the top of the support column (8)
There is locating slot (9), top plate (10) is installed with the top of the support column (8), interts on the top plate (10) and is provided with work
Lever (11), the bottom of the motion bar (11) and is installed with limiting plate (12) positioned at the inside of locating slot (9), described
The bottom of limiting plate (12) is installed with buffer spring (13), and the bottom of the buffer spring (13) is interior with locating slot (9)
Bottom wall is fixedly connected, and the both sides of the limiting plate (12) are installed with sliding block (14), the inner wall of locating slot (9) both sides
Offer with the corresponding bar shaped sliding slot (15) of sliding block (14), the inside of the top plate (10) and positioned at a left side for motion bar (11)
Side offers second inner chamber (16), and the inside of the second inner chamber (16), which is interted, is provided with kelly (17), the motion bar (11)
Left side offer and the card slot (18) that is spaced substantially equidistant corresponding with kelly (17), the left end of the kelly (17) and position
Limited block (19) is installed with the inside of second inner chamber (16), the inside of the second inner chamber (16) and is located at limited block
(19) resetting spring (20) is provided with the left of, U-shaped frame (21), the U-shaped are installed with the top of the motion bar (11)
The opposite equal inserts in side of frame (21) has second bearing (22), the fixed peace in the opposite side of two second bearings (22)
Equipped with connecting rod (23), C-shaped snap ring (24), the C are installed between two connecting rod (23) opposite sides
The top of shape snap ring (24), which is interted, is provided with bolt (25), and nut (26), the C are threaded with the bolt (25)
Intert between shape snap ring (24) and be provided with hydraulic gun body (27), the front of the hydraulic gun body (27) is installed with connection
Head (28).
2. a kind of fast and easy according to claim 1 fixes and easy to adjust the fire-fighting lance of spray angle, its feature
It is：The motion bar (11) is slidably connected by sliding block (14) and bar shaped sliding slot (15) with support column (8).
3. a kind of fast and easy according to claim 1 fixes and easy to adjust the fire-fighting lance of spray angle, its feature
It is：The left end of the resetting spring (20) is fixedly connected with second inner chamber (16), the right end and limit of the resetting spring (20)
Position block (19) is fixedly connected.
4. a kind of fast and easy according to claim 1 fixes and easy to adjust the fire-fighting lance of spray angle, its feature
It is：The support column (8) by connecting pole (3), clutch shaft bearing (4), first inner chamber (2), rotating disc (5), ball grooves (6) and
Free ball (7) is rotatablely connected with base (1).
5. a kind of fast and easy according to claim 1 fixes and easy to adjust the fire-fighting lance of spray angle, its feature
It is：The kelly (17) passes through second inner chamber (16), limited block (19), resetting spring (20) and card slot (18) and motion bar
(11) it is clamped.
6. a kind of fast and easy according to claim 1 fixes and easy to adjust the fire-fighting lance of spray angle, its feature
It is：The right end and the trapezoidal shape of card slot (18) of the kelly (17), the right end of the kelly (17) run through second inner chamber
(16) and the inside of card slot (18) is extended to.
7. a kind of fast and easy according to claim 1 fixes and easy to adjust the fire-fighting lance of spray angle, its feature
It is：The bottom of the motion bar (11) extends to the inside of locating slot (9), and top plate is extended at the top of the motion bar (11)
(10) top, the top of base (1) is extended at the top of the connecting pole (3).
8. a kind of fast and easy according to claim 1 fixes and easy to adjust the fire-fighting lance of spray angle, its feature
It is：The hydraulic gun body (27) is connected by bolt (25) and nut (26) with C-shaped snap ring (24).
9. a kind of fast and easy according to claim 1 fixes and easy to adjust the fire-fighting lance of spray angle, its feature
It is：The length of the bar shaped sliding slot (15) is less than the depth of locating slot (9), and the C-shaped snap ring (24) passes through connecting rod
(23) it is rotatablely connected with second bearing (22) with U-shaped frame (21).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096482.5A CN107970547A (en) | 2017-11-09 | 2017-11-09 | A kind of fast and easy fixes and easy to adjust the fire-fighting lance of spray angle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096482.5A CN107970547A (en) | 2017-11-09 | 2017-11-09 | A kind of fast and easy fixes and easy to adjust the fire-fighting lance of spray angle |
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| CN107970547A true CN107970547A (en) | 2018-05-01 |
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| CN109201932A (en) * | 2018-09-12 | 2019-01-15 | 上海申驰实业有限公司 | A kind of auto parts and components hole flanging method |
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| CN109499031A (en) * | 2018-11-19 | 2019-03-22 | 贵州大学 | A kind of skyscraper fire extinguishing water pistol being conveniently adjusted water spray angle |
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| CN110666286A (en) * | 2019-09-06 | 2020-01-10 | 贵州电网有限责任公司 | Supplementary welding testing platform of 2M head |
| CN110666286B (en) * | 2019-09-06 | 2022-04-15 | 贵州电网有限责任公司 | Supplementary welding testing platform of 2M head |
| CN112755430B (en) * | 2019-10-21 | 2022-01-18 | 江苏固泰建筑材料科技有限公司 | Anti-seismic finished product support and hanger for fire sprinkler pipe |
| CN112755430A (en) * | 2019-10-21 | 2021-05-07 | 江苏固泰建筑材料科技有限公司 | Anti-seismic finished product support and hanger for fire sprinkler pipe |
| CN111686394A (en) * | 2020-07-02 | 2020-09-22 | 宁波东海森田消防装备有限公司 | Fire-fighting lance and gun rack for same |
| CN111965335A (en) * | 2020-08-19 | 2020-11-20 | 西南石油大学 | Tailing oil simulation experiment device of finished oil pipeline |
| CN111965335B (en) * | 2020-08-19 | 2022-01-28 | 西南石油大学 | Tailing oil simulation experiment device of finished oil pipeline |
| CN113018726A (en) * | 2021-02-25 | 2021-06-25 | 山东胜星仓储有限公司 | Intelligent petrochemical fire-fighting equipment system |
| CN115645808A (en) * | 2022-11-25 | 2023-01-31 | 潍坊盛坤消防有限公司 | Building facade fire protection system and use method |
| CN115645808B (en) * | 2022-11-25 | 2023-09-08 | 潍坊盛坤消防有限公司 | Building outer elevation fire protection system and use method |
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