CN105983193A - Linkage rotary joint for fire monitor - Google Patents
Linkage rotary joint for fire monitor Download PDFInfo
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- CN105983193A CN105983193A CN201510058589.5A CN201510058589A CN105983193A CN 105983193 A CN105983193 A CN 105983193A CN 201510058589 A CN201510058589 A CN 201510058589A CN 105983193 A CN105983193 A CN 105983193A
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- bend pipe
- fire monitor
- rotary joint
- revolving bed
- angle
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a linkage rotary joint for a fire monitor, and belongs to the field of fire fighting equipment. The linkage rotary joint comprises a single-bending tube, a rotary seat and a double-bending tube which are rotatably connected in sequence, wherein the single-bending tube, a rolling body arranged between the single-bending tube and the rotary seat, and the rotary seat form a first revolute pair; and the double-bending tube, a rolling body arranged between the double-bending tube and the rotary seat, and the rotary seat form a second revolute pair. The linkage rotary joint has the advantages that the contour dimension of the fire monitor is relatively small, the mounting and moving are convenient, a fire extinguishing agent does not need pass through large-angle turns for a plurality of times in bending tube runners, the overflowing loss is relatively small, and the jet state at an outlet end is less limited.
Description
Technical field
The present invention relates to the technology of a kind of fire-fighting equipment technical field, a kind of linkage rotary joint for fire monitor.
Background technology
Fire monitor is that must being equipped with of fire-fighting vehicle is one of standby, is widely used in skyscraper, hypogee, tunnel underground, work
The fire-fighting fire extinguishing occasions such as ore deposit enterprise.In fire-fighting fire extinguishing works, directly can be sprayed fire extinguishing on comburant by injection direct current water column
Agent is put out a fire, and can lower the temperature by water spray again, drops radiant heat, fire fighter individual plays the protective effect of maximum so that fireman's energy
Enough promptly carry out rescue, give full play to the fighting capacity of fire-fighting troop, reduce casualty loss to greatest extent.
The pitching rotary joint of current general fire monitor must be aided with the bend pipe of four 90 ° and some straight tubes could realize pitching function,
This causes fire monitor overall dimensions huge, it has not been convenient to installing and mobile, extinguishing chemical needs through repeatedly big angle in bend pipe runner simultaneously
Degree is turned, and crosses stream and loses big, and port of export jet state is very limited.
Through the retrieval of prior art is found, Chinese patent literature CN203342250, publication date 2013.12.18, public
Drive the fire monitor of a kind of improvement.This fire monitor, including: big gun head, barrel, hose coupling, wherein, barrel left end uses revolution
Joint connects big gun head, and the right-hand member of barrel is set to vertical tube portion upwards, and hose coupling is located at the top in the vertical tube portion of barrel.But this skill
Although art solves the fire monitor being set up on walking chassis inlet pipeline kink problem during bobbin movement, but with the most logical
Luffing mechanism compare, its bend pipe being still required for being aided with four 90 ° and some straight tubes could realize pitching function, and its
Overall dimensions is huge, it has not been convenient to install and mobile, and extinguishing chemical needs to turn through repeatedly wide-angle in bend pipe runner simultaneously, crosses stream
Loss is big, and port of export jet state is very limited.
Summary of the invention
The present invention is directed to deficiencies of the prior art, propose a kind of fire monitor linkage rotary joint, this rotary joint is by connecting
Two revolving members arranged and the pipeline composition of given shape, it is possible to realize the pitching of fire monitor, revolute function, compact conformation letter
It is situated between, crosses stream and lose less, water cannon port of export jet state can be obviously improved.
The present invention is achieved by the following technical solutions:
The present invention includes: single bend pipe, revolving bed and the twin elbow being rotationally connected successively, wherein: single bend pipe, be arranged at single bend pipe
With rolling element and the revolving bed between revolving bed constitutes the first revolute pair, twin elbow, the rolling being arranged between twin elbow and revolving bed
Kinetoplast and revolving bed constitute the second revolute pair.
Described rolling element is disposed between single bend pipe outer wall and revolving bed or is arranged between twin elbow inwall and revolving bed, from
And constitute corresponding two revolute pairs.
Described single bend pipe, revolving bed and twin elbow is provided with bullet groove to be constituted raceway after combination.
Described twin elbow is S-shaped structure.
The port of export elevation coverage of described fire monitor be [90 ° of-λ-(β+γ), 90 ° of-λ+(β+γ)] wherein: λ is single bend pipe
Inlet axis and the angle of outlet axes, β is inlet axis and the angle of outlet axes of twin elbow, and γ is the entrance of revolving bed
Axis and the angle of outlet axes.
Technique effect
Compared with prior art, volume and weight of the present invention is greatly reduced, and extinguishing chemical needs not move through the biggest in bend pipe runner
Angle is turned, and crosses stream loss and reduces, and port of export jet state is more preferable, controls such that it is able to significantly more efficient when fire-fighting fire extinguishing
The direction range of extinguishing chemical, the energy needed for therefore spraying the extinguishing chemical of Isodose is substantially reduced, and fireman is in fire-extinguishing operations process
In more time saving and energy saving, faster and more convenient operation, be more beneficial for reaching quick, the best extinguishing effect.
Accompanying drawing explanation
Fig. 1 is the rotary joint extreme position I status architecture schematic diagram of the present invention.
Fig. 2 is the rotary joint extreme position II status architecture schematic diagram of the present invention.
Fig. 3 is single bend pipe structure schematic diagram of the present invention.
Fig. 4 is the structural representation of the twin elbow of the present invention.
Fig. 5 is the structural representation of the revolving bed of the present invention.
Detailed description of the invention
Elaborating embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention,
Give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment includes: single bend pipe 1, revolving bed 3 and the twin elbow 2 being rotationally connected successively,
Wherein: single bend pipe 1, the rolling element 4 being arranged between single bend pipe 1 inwall and revolving bed 3 and revolving bed 3 constitute the first rotation
Pair, twin elbow 2, the rolling element 4 being arranged between twin elbow 2 outer wall and revolving bed 3 and revolving bed 3 constitute the second revolute pair,
Thus realize pitching and the revolution of fire monitor.
In the present embodiment, the entrance point of described single bend pipe 1 is connected with upstream, and the port of export of single bend pipe 1 connects back to swivel base
The entrance point of 3, the port of export of twin elbow 2 is provided with the screw thread for connecting fire monitor nozzle or flange.
Described the first revolute pair, the second revolute pair can be driven by two independent power sources, also can be by a power source by passing
Motivation structure simultaneously drives.
In different occasions, described rolling element 4 can also be disposed between single bend pipe 1 outer wall and revolving bed 3, be arranged at
Between twin elbow 2 inwall and revolving bed 3, thus constitute corresponding two revolute pairs.
Described single bend pipe 1, revolving bed 3 and twin elbow 2 is provided with bullet groove 6 to be constituted raceway after combination, it is achieved rolling element
Rolling.
As it is shown on figure 3, the inlet axis EG and outlet axes FG of described single bend pipe 1 intersect at G point, EG's and FG
Angle (acute angle) is λ；
As shown in Figure 4, described twin elbow 2 is S-shaped structure, and its inlet axis AP and outlet axes OBA intersects at A
Point, the angle (acute angle) of axis AP and axes O BA is β, and the central axis PB of changeover portion 5 is (sharp with the angle of outlet axes OBA
Angle) it is α；
The described arc pipe that changeover portion 5 is radius R, is provided with the arc transition that radius is R between changeover portion and the port of export.
As it is shown in figure 5, the angle (acute angle) of the inlet axis CQ and outlet axes DQ of described revolving bed 3 is γ；
Above-mentioned axis is generally understood as central symmetry axis according to this area.
As shown in Fig. 3～Fig. 5, the angle of the inlet axis AP and outlet axes OBA of twin elbow 2 enters equal to revolving bed 3
Mouth axis and the angle of outlet axes, i.e. β=γ；So advantage of design is: after said apparatus assembles, twin elbow 2
On A point overlap with the Q point on revolving bed 3, be in the entrance of described single bend pipe 1 for the outlet axes OBA of twin elbow 2
Offer condition in the plane that axis E G and outlet axes FG are constituted.
Under preferable case, the angle of the inlet axis AP and outlet axes OBA of twin elbow 2 is equal to the inlet axis of single bend pipe 1
The half of the angle of EG and outlet axes FG, i.e.So advantage of design is: make taking of tri-angles of λ, β, γ
Value minimum, on the one hand can reduce volume, alleviate weight, on the other hand can be with optimizing flow passage so that extinguishing chemical mistake in runner
Stream loss reduction.
The inwall section of single bend pipe 1, revolving bed 3 and twin elbow 2 in the present embodiment is preferably circular, but in other occasions also
Different special shapes can be used.These are preferably shaped to centrosymmetric geometric figure so that forming revolute pair.
As it is shown in figure 1, be the state of fire monitor port of export elevation angle minimum, in conjunction with above-mentioned definition, now β, γ are for the elevation angle
Act on consistent for the effect at the elevation angle with λ, in order to make the conclusion of this technical scheme have versatility, might as well suppose that single bend pipe 1 is intake
Direction EG is direction, 90 ° of the elevation angle, and therefore, now fire-fighting gun elevation is: 90 ° of-λ-(β+γ).
As in figure 2 it is shown, be the state of fire monitor port of export elevation angle maximum, in conjunction with above-mentioned definition, now β, γ are for the elevation angle
Acting on contrary for the effect at the elevation angle with λ, single bend pipe 1 direction EG of intaking is direction, 90 ° of the elevation angle, therefore, and now the facing upward of fire monitor
Angle is: 90 ° of-λ+(β+γ).
Under these conditions, assembling and setting fire monitor initial attitude as shown in Fig. 1 or 5, the first rotary pair, the second revolute pair
Drive and use linked manner (such as gear drive or electric-linked), can realize under the consecutive variations at the fire monitor elevation angle, and elevation angle state,
The outlet axes OBA of described twin elbow 2 may be at inlet axis EG and the outlet axes FG institute structure of described single bend pipe 1
In the plane become.
Claims (9)
1. fire monitor linkage rotary joint, it is characterised in that including: single bend pipe of being rotationally connected successively, revolving bed and double
Bend pipe, wherein: single bend pipe, the rolling element being arranged between single bend pipe and revolving bed and revolving bed constitute the first revolute pair, double curved
Pipe, the rolling element being arranged between twin elbow and revolving bed and revolving bed constitute the second revolute pair.
Fire monitor the most according to claim 1 linkage rotary joint, is characterized in that, described rolling element is disposed on single curved
Between pipe outer wall and revolving bed or be arranged between twin elbow inwall and revolving bed, thus constitute corresponding two revolute pairs.
Fire monitor the most according to claim 1 linkage rotary joint, is characterized in that, described single bend pipe, revolving bed and double
The inwall section of bend pipe is circular.
4. according to the linkage rotary joint of the fire monitor described in claim 1 or 2 or 3, it is characterized in that, described single bend pipe, return
Swivel base and twin elbow are provided with bullet groove to be constituted raceway after combination, it is achieved the rolling of rolling element.
Fire monitor the most according to claim 1 linkage rotary joint, is characterized in that, described the first revolute pair, second turn
Dynamic pair is driven by two independent power sources or is simultaneously driven by drive mechanism by a power source.
Fire monitor the most according to claim 1 linkage rotary joint, is characterized in that, described twin elbow is S-shaped structure,
The inlet axis of this twin elbow and the angle of outlet axes are equal to inlet axis and the angle of outlet axes of revolving bed.
Fire monitor the most according to claim 1 linkage rotary joint, is characterized in that, described twin elbow is S-shaped structure,
The inlet axis of this twin elbow and the angle of outlet axes are equal to the inlet axis of single bend pipe and the half of the angle of outlet axes.
Fire monitor the most according to claim 1 linkage rotary joint, is characterized in that, the port of export elevation angle of described fire monitor
Scope be [90 ° of-λ-(β+γ), 90 ° of-λ+(β+γ)] wherein: λ is inlet axis and the angle of outlet axes, the β of single bend pipe
For inlet axis and the angle of outlet axes of twin elbow, γ is inlet axis and the angle of outlet axes of revolving bed.
Fire monitor the most according to claim 8 linkage rotary joint, is characterized in that, at the outlet axes of described twin elbow
In the plane that inlet axis and the outlet axes of described single bend pipe are constituted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510058589.5A CN105983193B (en) | 2015-02-05 | 2015-02-05 | Linkage rotary joint for fire monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510058589.5A CN105983193B (en) | 2015-02-05 | 2015-02-05 | Linkage rotary joint for fire monitor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105983193A true CN105983193A (en) | 2016-10-05 |
| CN105983193B CN105983193B (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510058589.5A Active CN105983193B (en) | 2015-02-05 | 2015-02-05 | Linkage rotary joint for fire monitor |
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| Country | Link |
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| CN (1) | CN105983193B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112535827A (en) * | 2020-12-23 | 2021-03-23 | 南京睿盛智能科技有限公司 | Simple and convenient formula removes fire gun |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2395043A1 (en) * | 1977-06-22 | 1979-01-19 | Dev Securite Ste Indle | Water cannon which rotates about vertical pivot - has outlet pipe(s) which swing about horizontal pivot, and feeder arm with coaxial passages |
| CN101491717A (en) * | 2009-03-06 | 2009-07-29 | 上海芜津消防设备有限公司 | Far range vehicle-loaded fire-fighting fire-nozzle |
| CN201313037Y (en) * | 2008-12-16 | 2009-09-23 | 章庆洪 | Oil blending rotating nozzle |
| CN202376658U (en) * | 2011-12-21 | 2012-08-15 | 福建南安市百安消防有限公司 | Fire monitor |
| CN103845835A (en) * | 2014-03-06 | 2014-06-11 | 上海格拉曼国际消防装备有限公司 | Multi-functional fire-fighting monitor and application thereof |
| CN204522076U (en) * | 2015-02-05 | 2015-08-05 | 陈彩红 | Fire monitor interlock rotary joint |
-
2015
- 2015-02-05 CN CN201510058589.5A patent/CN105983193B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2395043A1 (en) * | 1977-06-22 | 1979-01-19 | Dev Securite Ste Indle | Water cannon which rotates about vertical pivot - has outlet pipe(s) which swing about horizontal pivot, and feeder arm with coaxial passages |
| CN201313037Y (en) * | 2008-12-16 | 2009-09-23 | 章庆洪 | Oil blending rotating nozzle |
| CN101491717A (en) * | 2009-03-06 | 2009-07-29 | 上海芜津消防设备有限公司 | Far range vehicle-loaded fire-fighting fire-nozzle |
| CN202376658U (en) * | 2011-12-21 | 2012-08-15 | 福建南安市百安消防有限公司 | Fire monitor |
| CN103845835A (en) * | 2014-03-06 | 2014-06-11 | 上海格拉曼国际消防装备有限公司 | Multi-functional fire-fighting monitor and application thereof |
| CN204522076U (en) * | 2015-02-05 | 2015-08-05 | 陈彩红 | Fire monitor interlock rotary joint |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112535827A (en) * | 2020-12-23 | 2021-03-23 | 南京睿盛智能科技有限公司 | Simple and convenient formula removes fire gun |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105983193B (en) | 2021-11-19 |
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Effective date of registration: 20220214 Address after: Room 201, No.1 chuangqiang Road, Xindai Town, Pinghu City, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Chengshi robot Co.,Ltd. Address before: 11B, Zhengli apartment, No. 55, Lane 1520, Huashan Road, Changning District, Shanghai 200052 Patentee before: Chen Caihong |