CN208853046U - Coal mining machine roller pressure stabilizing nozzle - Google Patents
Coal mining machine roller pressure stabilizing nozzle Download PDFInfo
- Publication number
- CN208853046U CN208853046U CN201821384006.3U CN201821384006U CN208853046U CN 208853046 U CN208853046 U CN 208853046U CN 201821384006 U CN201821384006 U CN 201821384006U CN 208853046 U CN208853046 U CN 208853046U
- Authority
- CN
- China
- Prior art keywords
- pressure
- nozzle
- inlet cover
- regulation
- tube body
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of coal mining machine roller pressure stabilizing nozzles, internal regulation tube body is from the open end of nozzle body merging nozzle body, and internal regulation tube body is arranged with rubber bush, inlet cover lid is closed in the open end of nozzle body, pressure adjusting structure in inlet cover includes intermediate regulations pipe and pressure regulation plug, and the end face outer rim of intermediate regulations pipe towards internal regulation tube body side is contacted with the tapered channel of internal regulation tube body；Pressure regulation plug is spun in inlet cover, and pressure regulation plug is equipped with high-pressure water channel and pressure ports, is equipped with anchorage bar in pressure ports, pressure ports all pass through pipeline and are connected to external voltage-regulating system.The utility model carries out pressure regulation by external voltage-regulating system, high pressure water is passed through when reaching operating pressure, when reaching stable input pressure, external voltage-regulating system stops pressure supply, internal tube body offsets the change of fluid field pressure by deformation, the stability for improving nozzle interior fluid field pressure and jet expansion flow ensure that the quality of water jet work.
Description
Technical field
The utility model relates to a kind of nozzle, specifically a kind of coal mining machine roller pressure stabilizing nozzle belongs to water jet mechanism.
Background technique
Important component of the water jet nozzle as water jet device, is mainly used for building according to the difference of usage mode
It builds, the fields such as industrial processes, ore extraction.Water jet device is mainly made of hydraulic power unit and water jet nozzle, is received and
From the high pressure water of hydraulic power unit, water-jet intensity of flow is improved by the accumulation effect of nozzle, and act on the surface of object to reach
To cutting, dedusting, cleaning and other effects.The whole of water jet device can be reduced by the design to water jet nozzle in actual production
Body cost, while improving the efficiency of water jet device.
The specific working principle of traditional water jet nozzle is: hydraulic power unit provides high pressure water, will be high by high-pressure hose
Press Water transport to water jet nozzle, by convergence in nozzle, energy further increases high pressure water, while reducing the expansion of water jet
It dissipates.After water jet is sprayed from nozzle, high-pressure water shot is realized by adjusting parameters such as range, the flow angles of water jet nozzle
The job requirements such as cutting, cleaning, the dedusting of stream.
However common water jet the problem is that: since Water jet equipment itself provides high pressure water by high pressure pumping station, institute
There is the variation of pressure usually will appear from the high pressure water that pumping plant is sent out, and since the structure of common water jet nozzle is all
One, so can not be adjusted when unstable high pressure water enters nozzle interior, when unstable high pressure water is sent into spray
The significant change that will appear pressure when in mouth, quality, the ejection flow for influencing water jet work are extremely unstable.In order to solve this
A problem, can by adjusting in water jet entrance diameter, internal caliber, nozzle the modes such as angle of flare improve water jet
The working efficiency of nozzle, however the continually changing operating condition of high-pressure water pressure still cannot be well adapted to, how to guarantee in nozzle
Portion's fluid field pressure is in stable state in real time, and the quality for improving water jet work is a current urgent problem to be solved.
Utility model content
In view of the above-mentioned problems of the prior art, the purpose of the utility model is to provide a kind of coal mining machine roller pressure stabilizing sprays
Mouth can guarantee that nozzle interior fluid field pressure is stable, promotes nozzle when the pressure change of high-pressure water supply and spray flow
Stability, it is ensured that the quality of water jet work.
A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: coal mining machine roller pressure stabilizing nozzle, including
Nozzle body, the water outlet of the nozzle body are equipped with water-jet circulation road, further include internal regulation tube body and inlet cover,
The internal regulation tube body is from the open end of nozzle body merging nozzle body, and internal regulation tube body is around certainly
Body is circumferentially arranged with a rubber bush, and the outer wall of rubber bush and the inner wall of nozzle body are in close contact；The internal regulation pipe
Body center ring is equipped with tapered channel around own axes, and the tapered channel is connected to water-jet circulation road, and tapered channel is from spray
Diameter is gradually reduced on the open end of mouth shell to the direction of water outlet, and the internal regulation tube body is by multiple circular own axes
Be arranged be in charge of body and the adjacent sheet rubber for being in charge of sandwiched between body pieces together；
The inlet cover lid is closed in the open end of nozzle body, and the closure end face of inlet cover is protruded into nozzle body, institute
It states inlet cover and offers through-hole I on the direction along nozzle body axis, and be equipped with through-hole II in the side wall of inlet cover, it is described logical
II one end of hole is connected to through-hole I, and the other end passes to inlet cover and exposes on the outer wall of nozzle body open end, and through-hole II is by soft
Pipe is connected to the pressure sensor being arranged outside nozzle body；
Pressure adjusting structure is equipped in the inlet cover, pressure adjusting structure includes an intermediate regulations pipe and a pressure regulation plug, described
Intermediate regulations pipe is placed in through-hole I, and intermediate regulations pipe towards internal regulation tube body side end face outer rim and tapered channel table
Face contact；The pressure regulation plug screws in and seals through-hole I from the side that inlet cover exposes nozzle body open end, and the pressure regulation is stifled
Parallel with through-hole I on head to be equipped with a high-pressure water channel and at least one pressure ports, being equipped with one in each pressure ports can be along pressure regulation
The anchorage bar that channel moves back and forth, the pressure ports all pass through pipeline and are connected to an outside voltage-regulating system, when external pressure regulation system
Unite into pressure ports export pressure regulation medium when, pressure regulation medium push directly on anchorage bar, make its end stretch out pressure ports withstand
The annular end face of intermediate regulations pipe simultaneously pushes intermediate regulations pipe along the axial movement of through-hole I.
Preferably, the intermediate regulations pipe towards internal regulation tube body side end face outer rim be equipped with fillet surface, it is described fall
Edged surface is bonded with tapered channel surface.Fillet surface can increase the contact area of intermediate regulations pipe Yu tapered channel surface, thus
Keep intermediate regulations pipe more smooth along moving for axial direction.
Further, the pressure regulation plug, which protrudes on the end face of through-hole I, corresponds to each pressure ports equipped with ring type seal, when
When pressure regulation medium pushes anchorage bar, fastening boom end is stretched out from pressure ports and is passed therethrough with ring type seal cooperation.Ring
Shape sealing ring can be avoided high pressure water enter in pressure ports influence pressure regulation work be normally carried out.
Preferably, block end face and the end face of internal regulation tube body of the inlet cover are in close contact.Design can in this way
It avoids high pressure water from entering in the cavity for blocking and being formed between end face and internal regulation tube body, components is avoided to be immersed in water for a long time
It reduces the service life.
Preferably, the pressure sensor is electrically connected with the controller in external voltage-regulating system.Pressure sensor detection
Fluid field pressure can be with real-time delivery into controller, when the fluid field pressure detected reaches preset operating pressure, controller
It is out of service to control external voltage-regulating system, to realize automatic control.
Preferably, the pressure ports are equipped with necking section in the part far from intermediate regulations pipe.By adopting such a design,
Necking section can be extruded the surface of pressure regulation plug to avoid anchorage bar by high pressure water.
Inlet cover can be fixed on the open end of nozzle body by modes such as engagings.Preferably, the inlet cover passes through
It is threadedly engaged the open end for being fixed on nozzle body.
Further, the part that pressure regulation plug exposes inlet cover end face is equipped with hand-held flange.The hand-held flange being arranged is convenient
The hand-held disassembly and installation pressure regulation plug component of operator.
Preferably, in order to guarantee the stability of pressure regulation operation, there are four pressure ports are set, distribution is located at high-pressure water channel week
It encloses.
The utility model pushes anchorage bar to middle tone before not being passed through high pressure water, through the pressure of external voltage-regulating system
Section pipe is squeezed, and intermediate regulations pipe moves axially at this time, and generates pressure to the tapered channel surface of internal regulation pipe body
Power, the sheet rubber being in charge of between body deform；When the pressure that external hydraulic system provides reaches preset operating pressure, open
Begin to be passed through high pressure water into nozzle, high pressure water flow to pressure sensor by the through-hole II in inlet cover and is detected at this time, works as spray
When fluid field pressure in mouth reaches preset operating pressure, external voltage-regulating system stops pressure supply, removes the pressure to anchorage bar, just
Often supply high pressure water；When the high-pressure water pressure being passed through changes, the internal regulation tube body containing sheet rubber can be sent out into therewith
Deformation, the caliber of internal regulation tube body and tapered channel size can accordingly change, and offset because the unstable of high pressure water causes
Fluid field pressure change, thus have the function that real-time stabilization adjust interior flow field pressure, guarantee nozzle flow field pressure and
Spray the stabilization of flow.
Compared with the existing technology, the utility model has the following beneficial effects:
(1) compared with existing water jet nozzle, the nozzle of the utility model is by the way of external pressure regulation, side
Just operator is controlled by pressure condition of the external voltage-regulating system to water jet, while external voltage-regulating system being capable of basis
It needs to be adjusted to required operating pressure, ensure that single-nozzle is adjustable using the range of pressure；
(2) the utility model carries out pressure regulation to nozzle by external voltage-regulating system before work, when pressure regulation reaches work pressure
When power, it is passed through high pressure water, is changed by fluid field pressure in pressure sensor monitoring nozzle, when reaching stable input pressure
When, external voltage-regulating system stops pressure supply.At this time when nozzle flow field pressure changes, the inner tube of nozzle is known from experience by certainly
The deformation of body offset because high pressure water it is unstable caused by fluid field pressure change, to be carried out in real time to internal fluid field pressure steady
It sets the tone section, improves the stability of nozzle interior fluid field pressure and jet expansion flow, ensure that the quality of water jet work, mention
The effect using nozzle cutting, dedusting, cleaning is risen；
(3) nozzle of the utility model uses the structure of internal adjustable, can effectively avoid due in high pressure water
Blocking, improves the working efficiency of water jet in blast tube caused by impurity；
(4) compared with existing water jet nozzle, the nozzle of this programme is formed using multiple components, and structure is reliable, dismantles
It is convenient, using simple, adapt to various job requirements.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the nozzle of the utility model；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the inlet cover schematic diagram in the utility model；
Fig. 4 is the stereoscopic schematic diagram of the internal regulation tube body in the utility model；
Fig. 5 is the pressure regulation state diagram of the utility model pressure stabilizing nozzle；
Fig. 6 is the working state figure of the utility model pressure stabilizing nozzle；
When Fig. 7 is that nozzle flow field pressure becomes larger, the situation of change of internal regulation tube body；
When Fig. 8 is that nozzle flow field pressure becomes smaller, the situation of change of internal regulation tube body.
In figure, 1, nozzle body, 11, water-jet circulation road, 2, internal regulation tube body, 21, tapered channel, 22, be in charge of body,
23, sheet rubber, 3, rubber bush, 4, inlet cover, 41, closure end face, 42, through-hole I, 43, through-hole II, 5, intermediate regulations pipe, 51,
Fillet surface, 6, pressure regulation plug, 6-1, hand-held flange, 61, high-pressure water channel, 62, pressure ports, 621, necking section, 63, anchorage bar,
64, ring type seal, 7, pressure sensor, 8, external voltage-regulating system.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figures 1 to 4, a kind of coal mining machine roller pressure stabilizing nozzle, including nozzle body 1, the nozzle body 1 go out
Water end (W.E.) is equipped with water-jet circulation road 11, further includes internal regulation tube body 2 and inlet cover 4,
The internal regulation tube body 2 is from the open end of nozzle body 1 merging nozzle body 1, and 2 ring of internal regulation tube body
Around a rubber bush 3 itself is circumferentially arranged with, the outer wall of rubber bush 3 and the inner wall of nozzle body 1 are in close contact；The inside
It adjusts 2 center ring of tube body and is equipped with tapered channel 21 around own axes, the tapered channel 21 is connected to water-jet circulation road 11, and is bored
The diameter on the direction of the open end from nozzle body 1 to water outlet of shape channel 21 is gradually reduced, the internal regulation tube body 2 by
Multiple circular own axes settings be in charge of body 22 and the adjacent sheet rubber 23 for being in charge of sandwiched between body 22 pieces together；
The lid of inlet cover 4 is closed in the open end of nozzle body 1, and nozzle body 1 is protruded into the closure end face 41 of inlet cover 4
In, the inlet cover 4 offers through-hole I 42 on the direction along 1 axis of nozzle body, and is equipped in the side wall of inlet cover 4 logical
Hole II 43, described II 43 one end of through-hole are connected to through-hole I 42, and the other end passes to inlet cover 4 and exposes the outer of 1 open end of nozzle body
On wall, and through-hole II 43 is connected to the pressure sensor 7 being arranged outside nozzle body 1 by hose；
Pressure adjusting structure is equipped in the inlet cover 4, pressure adjusting structure includes an intermediate regulations pipe 5 and a pressure regulation plug 6, institute
It states intermediate regulations pipe 5 to be placed in through-hole I 42, and intermediate regulations pipe 5 is towards the end face outer rim and taper of 2 side of internal regulation tube body
The contact of 21 surface of channel；The pressure regulation plug 6 screws in from the side that inlet cover 4 exposes 1 open end of nozzle body and seals through-hole I
42, it is parallel with through-hole I 42 on the pressure regulation plug 6 to be equipped with a high-pressure water channel 61 and at least one pressure ports 62, each pressure regulation
An anchorage bar 63 that can be moved back and forth along pressure ports 62 is equipped in channel 62, the pressure ports 62 are all connected to by pipeline
One outside voltage-regulating system 8, when external voltage-regulating system 8 exports pressure regulation medium into pressure ports 62, pressure regulation medium is pushed directly on
Anchorage bar 63 makes its end stretching pressure ports 62 withstand the annular end face of intermediate regulations pipe 5 and push intermediate regulations pipe 5 along logical
The axial movement in hole I 42.
Preferably, the end face outer rim of the intermediate regulations pipe 5 towards 2 side of internal regulation tube body is equipped with fillet surface 51, institute
Fillet surface 51 is stated to be bonded with 21 surface of tapered channel.Fillet surface 51 can increase intermediate regulations pipe 5 and 21 surface of tapered channel
Contact area, to keep intermediate regulations pipe 5 more smooth along moving for axial direction.
Further, the pressure regulation plug 6, which protrudes on the end face of through-hole I 42, corresponds to each pressure ports 62 equipped with ring packing
Circle 64, when pressure regulation medium pushes anchorage bar 63,63 end of anchorage bar is stretched out from pressure ports 62 and is matched with ring type seal 64
Conjunction passes therethrough.Ring type seal 64 can be avoided high pressure water enter in pressure ports 62 influence pressure regulation work it is normal into
Row.
Preferably, block end face 41 and the end face of internal regulation tube body 2 of the inlet cover 4 are in close contact.It designs in this way
It can be avoided high pressure water to enter in the cavity for blocking and being formed between end face 41 and internal regulation tube body 2, avoid components for a long time
It is immersed in water and reduces the service life.
Pressure sensor 7 can be with the fluid field pressure in real-time detection nozzle, when controllers observe that pressure sensor 7 is examined
When the fluid field pressure measured reaches operating pressure, it is out of service that controllers can manually control external voltage-regulating system 8.Preferably,
The pressure sensor 7 is electrically connected with the controller in external voltage-regulating system 8.The fluid field pressure that pressure sensor 7 detects can be with
Real-time delivery is into controller, and when the fluid field pressure detected reaches preset operating pressure, controller controls external pressure regulation
System 8 is out of service, to realize automatic control.
Preferably, the pressure ports 62 are equipped with necking section 621 in the part far from intermediate regulations pipe 5.Using such
After design, necking section 621 can be extruded the surface of pressure regulation plug 6 to avoid anchorage bar 63 by high pressure water.
Preferably, 1 outside of nozzle body is streamlined.
Inlet cover 4 can be fixed on the open end of nozzle body 1 by modes such as engagings.Preferably, the inlet cover 4 is logical
Cross the open end for being threadedly engaged and being fixed on nozzle body 1.
Further, the part that pressure regulation plug 6 exposes 4 end face of inlet cover is equipped with hand-held flange 6-1.The hand-held flange being arranged
6-1 facilitates hand-held disassembly and installation 6 component of pressure regulation plug of operator.
Preferably, in order to guarantee the stability of pressure regulation operation, there are four pressure ports 62 are set, distribution is located at high-pressure water channel 61
Around.
Included the following steps: using the method that said nozzle carries out pressure stabilizing water spray
Fig. 5 is the pressure regulation state diagram of the utility model coal mining machine roller pressure stabilizing nozzle.It is determined before carrying out water jet work
The operating pressure of nozzle is passed through pressure regulation medium such as in four pressure ports 62 on pressure regulation plug 6 by external voltage-regulating system 8
Pressure regulation water generates pressure to the anchorage bar 63 in pressure ports 62, pushes anchorage bar 63 that it is made to generate displacement △ L, anchorage bar 63
The other end, which stretches out pressure ports 62, to be withstood the annular end face of intermediate regulations pipe 5 and pushes intermediate regulations pipe 5 along the axial direction of through-hole I 42
It is mobile, it is intermediate since the end face outer rim of intermediate regulations pipe 5 towards 2 side of internal regulation tube body is contacted with 21 surface of tapered channel
The meeting of regulation pipe 5 generates pressure to the surface of tapered channel 21, makes the sheet rubber 23 of internal regulation tube body 2 by pressure contractions △ V1、
The diameter of internal regulation tube body 2 becomes larger, at the same periphery rubber bush 3 with internal regulation tube body 2 expansion, be under pressure hair
Raw elastic deformation △ V2.The internal diameter of tube body of internal regulation tube body 2 becomes larger △ S at this time.
Fig. 6 is the working condition of nozzle, when the output pressure of external voltage-regulating system 8 reaches preset operating pressure, is led to
Crossing high-pressure water channel 61 can be flow to soft to nozzle infusion high pressure water after high pressure water enters nozzle by through-hole I 42, through-hole II 43
Pipe, is perceived by pressure sensor 7, the control of the pressure and real-time delivery in the monitoring nozzle of pressure sensor 7 to external voltage-regulating system 8
In device processed, when the pressure in nozzle reaches preset operating pressure, controller will stop external voltage-regulating system 8 to pressure regulation plug
The pressure supply of four pressure ports 62 on 6, anchorage bar 63 will not generate thrust to intermediate regulation pipe 5, so that intermediate regulations pipe 5 is not
Active force is generated to internal regulation pipe body 2 again, the fluid field pressure F that high pressure water generates at this time acts directly on internal regulation tube body 2
On.
When Fig. 7 and Fig. 8 is that nozzle flow field pressure changes, the variation feelings of internal regulation tube body 2 and rubber bush 3
Condition.Such as Fig. 7, pressure can be generated to internal regulation pipe body 2 when fluid field pressure increases, makes the expansion of internal regulation tube body 2 that shape occur
Become △ V, the caliber of internal regulation tube body 2 expands △ S at this time, and the expansion in 21 space of tapered channel reduces interior flow field pressure naturally
Power；If Fig. 8 can also reduce internal 2 pressure of regulation pipe body when fluid field pressure reduces, internal regulation tube body 2 shrinks △ V, interior
The caliber that portion adjusts tube body 2 becomes smaller △ S, and the diminution in 21 space of tapered channel increases interior flow field pressure naturally.Pass through inside
The deformation for adjusting tube body 2 is in real time adjusted the pressure of interior flow field, forms the operating condition of stable regulation, ensure that spray
The ejection stability of flow of mouth outlet, improves the working efficiency of nozzle.
Claims (9)
1. the water outlet of a kind of coal mining machine roller pressure stabilizing nozzle, including nozzle body (1), the nozzle body (1) is equipped with water-jet
Circulation road (11), which is characterized in that it further include internal regulation tube body (2) and inlet cover (4),
The internal regulation tube body (2) is from the open end of nozzle body (1) merging nozzle body (1), and internal regulation tube body
(2) it is circumferentially arranged with a rubber bush (3) around itself, the inner wall of the outer wall and nozzle body (1) of rubber bush (3) closely connects
Touching；Internal regulation tube body (2) center ring is equipped with tapered channel (21), the tapered channel (21) and water-jet around own axes
Circulation road (11) connection, and diameter is gradually on direction of the open end from nozzle body (1) to water outlet for tapered channel (21)
Reduce, the internal regulation tube body (2) is in charge of body (22) and adjacent is in charge of body (22) by what multiple circular own axes were arranged
Between the sheet rubber (23) of sandwiched piece together；
Inlet cover (4) lid is closed in the open end of nozzle body (1), and nozzle is protruded into the closure end face (41) of inlet cover (4)
In shell (1), the inlet cover (4) offers through-hole I (42), and inlet cover (4) on the direction along nozzle body (1) axis
Side wall in be equipped with through-hole II (43), described through-hole II (43) one end is connected to through-hole I (42), and the other end passes to inlet cover (4)
On the outer wall for exposing nozzle body (1) open end, and through-hole II (43) is connected to setting outside nozzle body (1) by hose
Pressure sensor (7)；
Pressure adjusting structure is equipped on the inlet cover (4), pressure adjusting structure includes an intermediate regulations pipe (5) and a pressure regulation plug (6),
The intermediate regulations pipe (5) is placed in through-hole I (42), and intermediate regulations pipe (5) is towards the end face of internal regulation tube body (2) side
Outer rim is contacted with tapered channel (21) surface；The pressure regulation plug (6) exposes nozzle body (1) open end from inlet cover (4)
Side screws in and seals through-hole I (42), on the pressure regulation plug (6) it is parallel with through-hole I (42) be equipped with a high-pressure water channel (61) and
At least one pressure ports (62) is equipped with an anchorage bar that can be moved back and forth along pressure ports (62) in each pressure ports (62)
(63), the pressure ports (62) are all connected to an outside voltage-regulating system (8) by pipeline, when external voltage-regulating system (8) is to tune
In pressure passageway (62) when output pressure regulation medium, pressure regulation medium pushes directly on anchorage bar (63), its end is made to stretch out pressure ports
(62) it withstands the annular end face of intermediate regulations pipe (5) and pushes intermediate regulations pipe (5) along the axial movement of through-hole I (42).
2. coal mining machine roller pressure stabilizing nozzle according to claim 1, which is characterized in that intermediate regulations pipe (5) direction
The end face outer rim of internal regulation tube body (2) side is equipped with fillet surface (51), the fillet surface (51) and tapered channel (21) surface
Fitting.
3. coal mining machine roller pressure stabilizing nozzle according to claim 1, which is characterized in that the pressure regulation plug (6) is protruded into logical
Each pressure ports (62) are corresponded on the end face in hole I (42) equipped with ring type seal (64), when pressure regulation medium pushes anchorage bar (63)
When, anchorage bar (63) end is stretched out from pressure ports (62) and is passed therethrough with ring type seal (64) cooperation.
4. coal mining machine roller pressure stabilizing nozzle according to claim 1, which is characterized in that the closure end of the inlet cover (4)
The end face of face (41) and internal regulation tube body (2) is in close contact.
5. coal mining machine roller pressure stabilizing nozzle according to claim 1, which is characterized in that the pressure sensor (7) and outer
Controller electrical connection in portion's voltage-regulating system (8).
6. coal mining machine roller pressure stabilizing nozzle according to claim 1, which is characterized in that the pressure ports (62) are separate
The part of intermediate regulations pipe (5) is equipped with necking section (621).
7. coal mining machine roller pressure stabilizing nozzle according to claim 1, which is characterized in that the inlet cover (4) passes through screw thread
Cooperation is fixed on the open end of nozzle body (1).
8. coal mining machine roller pressure stabilizing nozzle according to claim 1, which is characterized in that pressure regulation plug (6) exposes inlet cover
(4) part of end face is equipped with hand-held flange (6-1).
9. coal mining machine roller pressure stabilizing nozzle according to claim 1, which is characterized in that there are four pressure ports (62) are set,
Distribution is located at around high-pressure water channel (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821384006.3U CN208853046U (en) | 2018-08-24 | 2018-08-24 | Coal mining machine roller pressure stabilizing nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821384006.3U CN208853046U (en) | 2018-08-24 | 2018-08-24 | Coal mining machine roller pressure stabilizing nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208853046U true CN208853046U (en) | 2019-05-14 |
Family
ID=66415779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821384006.3U Active CN208853046U (en) | 2018-08-24 | 2018-08-24 | Coal mining machine roller pressure stabilizing nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208853046U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108906357A (en) * | 2018-08-24 | 2018-11-30 | 江苏中机矿山设备有限公司 | A kind of method of coal mining machine roller pressure stabilizing nozzle and pressure stabilizing water spray |
| CN110721833A (en) * | 2019-11-28 | 2020-01-24 | 鹰普航空零部件（无锡）有限公司 | Adjustable multi-stage supercharging water jet nozzle |
-
2018
- 2018-08-24 CN CN201821384006.3U patent/CN208853046U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108906357A (en) * | 2018-08-24 | 2018-11-30 | 江苏中机矿山设备有限公司 | A kind of method of coal mining machine roller pressure stabilizing nozzle and pressure stabilizing water spray |
| CN108906357B (en) * | 2018-08-24 | 2023-08-04 | 江苏中机矿山设备有限公司 | Pressure stabilizing nozzle of drum of coal mining machine and pressure stabilizing water spraying method |
| CN110721833A (en) * | 2019-11-28 | 2020-01-24 | 鹰普航空零部件（无锡）有限公司 | Adjustable multi-stage supercharging water jet nozzle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208853046U (en) | Coal mining machine roller pressure stabilizing nozzle | |
| CN108906357A (en) | A kind of method of coal mining machine roller pressure stabilizing nozzle and pressure stabilizing water spray | |
| CN103657958B (en) | FE Glue Gun | |
| CN104675760A (en) | Nozzle-adjustable steam ejector | |
| CN205127584U (en) | Pressure adjustable dust remover pulse jetting tubular construction | |
| CN111617896A (en) | High-efficient multi-functional dust suppression shower nozzle | |
| CN103141363A (en) | Preset pressure-adjustable capillary pressure adjuster | |
| CN107088484B (en) | Small-sized air atomizing nozzle | |
| CN211412383U (en) | High-pressure spray head | |
| CN102784059B (en) | Spray gun device for coating machine | |
| CN208317739U (en) | A kind of novel atomizing rifle | |
| CN104324825B (en) | A kind of spray gun | |
| CN102817600B (en) | A kind of water injection well jet regulator | |
| CN208211096U (en) | The energy saving control device for irrigating of agricultural | |
| CN210509759U (en) | Liquid ammonium nitrate pump inlet guide shower device | |
| CN208252802U (en) | A kind of guide electromagnetic valve | |
| CN202850958U (en) | Jet flow pressure regulating device of injection well | |
| CN106895398B (en) | Oil return type mechanical steam atomization oil gun | |
| CN207308153U (en) | A kind of small air atomizer | |
| CN217491290U (en) | Atomization device | |
| CN210587074U (en) | Online automatic pulse nozzle | |
| CN216573658U (en) | High-pressure cleaning spray gun | |
| CN205732857U (en) | A kind of adjustable pipe die powder blowing device | |
| CN204922143U (en) | Loose flange connects civilian dress formula voltage regulator | |
| CN219130718U (en) | Atomizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |