CN208963791U - A kind of hand-held blockage-clearing device - Google Patents
A kind of hand-held blockage-clearing device Download PDFInfo
- Publication number
- CN208963791U CN208963791U CN201821678804.7U CN201821678804U CN208963791U CN 208963791 U CN208963791 U CN 208963791U CN 201821678804 U CN201821678804 U CN 201821678804U CN 208963791 U CN208963791 U CN 208963791U
- Authority
- CN
- China
- Prior art keywords
- coal
- round bur
- tooth
- blockage
- held
- 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.)
- Expired - Fee Related
Links
- 239000003245 coal Substances 0.000 claims abstract description 176
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 19
- 230000001186 cumulative effect Effects 0.000 claims 1
- 238000004140 cleaning Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 13
- 230000000903 blocking effect Effects 0.000 abstract description 11
- 230000007812 deficiency Effects 0.000 abstract description 2
- 239000003818 cinder Substances 0.000 description 15
- 239000002817 coal dust Substances 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 4
- 238000005553 drilling Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model discloses a kind of hand-held blockage-clearing devices, belong to the defeated coal technical field in thermal power plant.A kind of hand-held blockage-clearing device of the utility model, including operating stick and air motor, air motor is set to operating stick one end, operating stick inner hollow is arranged to form cavity, power tracheae passes through operating stick internal cavities and is connected with air motor, and air motor is equipped with round bur, and round bur is connected with air motor by connecting shaft, round bur includes round bur ontology, if the spherical surface of round bur ontology is equipped with drilled dry coal tooth.The purpose of the utility model is to overcome the deficiencies that existing coal spout easily blocks difficult cleaning, provide a kind of hand-held blockage-clearing device, and structure is simple, easy to carry, good blocking cleaning effect, so that it is guaranteed that coal handling system supply coal safety is stablized.
Description
Technical field
The utility model belongs to the defeated coal technical field in thermal power plant, more specifically to a kind of hand-held blockage-clearing device.
Background technique
Thermal power plant mainly by coal fired power generation, when coal as fuel from port traffic to boiler feed mouth, need
Conveying coal measures system is very huge, and the pipeline being related to is numerous, and pipeline of delivering coal in industry is referred to as coal spout.Due to conveying the amount of coal
It is very big, it often will appear chute blockage phenomenon, cause boiler combustion unstable.Especially in rainy season, coal handling system coal pipe coal blockage is existing
The numerous generation of picture frequency, carrys out coal and to deposit coal coal quality wetter, relatively glutinous, is easy to appear coal dust agglomeration bonding, when coal spout blocks,
Under conditions of the cleaning tool for lacking profession, cleaning is got up extremely difficult, and takes a long time, coal supply can occur to a certain extent
Disruption seriously affects equipment safety operation, to cause a hidden trouble to power plant safety.
For existing coal spout because easily blocking caused by defect, existing related art scheme discloses, such as number of patent application:
2017214163427, a kind of applying date: on October 31st, 2017, invention and created name are as follows: coal spout vacuum suction anti-clogging coal dress
It sets, this application discloses a kind of coal spout vacuum suction coal-blocking-proof device of coal, comprising: coal breakage tube body, coal breakage tube body upper end
Connection is provided with coal chute, and the connection of coal breakage tube body lower end is provided with conveyer belt, is respectively provided with air on coal breakage tube body
Jet port and air inlet, air jet are connect by injection pipe with compressed air source unit, and compressed air source unit is using two gas in parallel
Source device composition, is compressed air source unit A and compressed air source unit B respectively, a kind of coal spout vacuum suction coal-blocking-proof device of coal of this application,
It can effectively solve the problems, such as coal pipe coal blockage, by using blowing and air-breathing and with mode, handling failure is high-efficient, but right
It is general in the biggish clear coal effect of binding coal group of volume, it is further improved.
For another example, such as number of patent application: 2017213736328, the applying date: on October 23rd, 2017, invention and created name are as follows:
Station boiler coal spout dredger, this application discloses a kind of station boiler coal spout dredgers, specifically include spiral
Drilling mechanism and power mechanism, Auger drilling mechanism are inserted into rotary drilling in coal chute of coal feeder and dredge product coal, and power mechanism is
Auger drilling mechanism provides rotary power.The coal spout of blocking can be dredged using fire water and be opened by the dredger, be avoided
Disclosed with hammer drill, sledgehammer strikes the generation that injury to personnel accident easily occurs, but water impact product coal, coal cinder mixes water flow in coal spout
Cause working environment poor, there is the space advanced optimized.
It is urgent need to resolve in the prior art in conclusion how to overcome the shortcomings of that existing coal spout easily blocks difficult cleaning
Technical problem.
The information disclosed in the background technology section is intended only to increase the understanding to general background of the invention, without answering
When being considered as recognizing or imply that the information constitutes the prior art already known to those of ordinary skill in the art in any form.
Utility model content
1. utility model technical problems to be solved
The purpose of the utility model is to overcome the deficiencies that existing coal spout easily blocks difficult cleaning, provide a kind of hand-held clear
Block apparatus, structure is simple, easy to carry, good blocking cleaning effect, so that it is guaranteed that coal handling system supply coal safety is stablized.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
A kind of hand-held blockage-clearing device, including operating stick and air motor, air motor are set to operating stick one end, operating stick
Inner hollow is arranged to form cavity, and power tracheae passes through operating stick internal cavities and is connected with air motor, and air motor is equipped with
Round bur, round bur are connected with air motor by connecting shaft, and round bur includes round bur ontology, if the spherical surface of round bur ontology is equipped with
Drilled dry coal tooth.
It is further improved as the utility model, bores coal tooth and at cone cell and be spaced apart, each brill coal odontoid is big
It is small identical.
Further improved as the utility model, bore coal tooth include alternately arranged brills coal long tooth and brill coal short tooth,
The length for boring coal short tooth is less than the length for boring coal long tooth.
It is further improved as the utility model, bores direction area of section of the coal long tooth edge far from round bur ontology gradually
Increase.
It is further improved as the utility model, bores direction area of section of the coal short tooth edge far from round bur ontology gradually
Reduce.
It is further improved as the utility model, bores coal long tooth far from the end of round bur ontology and be additionally provided with several saws
Tooth bores coal long tooth and is gradually increased along the direction area of section far from round bur ontology.
It is further improved as the utility model, bores direction area of section of the coal short tooth edge far from round bur ontology gradually
Reduce.
It is further improved as the utility model, bores coal short tooth and be all provided with brill coal long tooth far from the side of round bur ontology
There are several sawtooth, and is gradually reduced along the direction area of section far from round bur ontology.
It is further improved as the utility model, power tracheae extends the side other than operating stick equipped with pressure
Table.
3. beneficial effect
Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:
(1) a kind of hand-held blockage-clearing device of the utility model, including operating stick and air motor, air motor are set to behaviour
Make bar one end, power tracheae passes through operating stick internal cavities and is connected with air motor, and air motor is equipped with round bur, and round bur includes
Round bur ontology, if the spherical surface of round bur ontology is equipped with drilled dry coal tooth, the utility model is led to using compressed air as power
It crosses air motor and the pressure energy of compressed air is converted into rotating mechanical energy, cleaning chute blockage is turned by the brill coal tooth spiral of connection, just
In manual cleaning.
(2) a kind of hand-held blockage-clearing device of the utility model, power tracheae extend the side other than operating stick and are equipped with
Pressure gauge, pressure gauge can show the gas pressure for being passed through power tracheae, realize that real-time monitoring in the actual operation process can root
Carry out regulating gas pressure size according to the specific stopping state of transporting coal pipeline, to adjust the operating power of air motor, realizes to ball
Bore the control of slewing rate.
(3) a kind of hand-held blockage-clearing device of the utility model, boring coal tooth includes that alternately arranged brill coal long tooth and brill coal are short
Tooth, the length for boring coal short tooth are less than the length for boring coal long tooth, are conducive to increase the spacing bored between coal long tooth, prevent coal dust from accumulating
In boring between coal long tooth, influence to bore coal long tooth to the loose coal effect of blocking coal cinder, alternately arranged brill coal long tooth and brill coal short tooth
The blockage problem of coal spout can be preferably solved, so that material flows smoothly, improves the service life of coal spout.
(4) a kind of hand-held blockage-clearing device of the utility model, brill coal long tooth are additionally provided with several far from the end of round bur ontology
Sawtooth, sawtooth is pointed at shape, very sharp, increases the cutting power to product coal, bores coal long tooth along the side far from round bur ontology
It is gradually increased to area of section, can ensure the quantity for boring the long tooth ends sawtooth of coal, improve the cutting effect to product coal, it is short to bore coal
Tooth is gradually reduced along the direction area of section far from round bur ontology, and the coal cinder after saw cut can be carried out into one by boring coal short tooth
The loosening of step improves dredging effect, and coal dust is avoided to bore the blocking between coal tooth.
(5) a kind of hand-held blockage-clearing device of the utility model bores coal short tooth and bores side of the coal long tooth far from round bur ontology
Be equipped with several sawtooth, more rapid can break up coal cinder, relative to manually beat, the methods of vibration hammer, have it is with small vibration,
The advantages such as at low cost have prevented the security risks such as generation spark, electric shock using compressed air as kinetic energy, more safety and environmental protection
Risk exist, be worthy to be popularized utilization.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of hand-held blockage-clearing device of the utility model；
Fig. 2 is the structural schematic diagram of round bur in embodiment 1；
Fig. 3 is the structural schematic diagram of round bur in embodiment 2；
Fig. 4 is the structural schematic diagram of round bur in embodiment 3；
Fig. 5 is the structural schematic diagram of round bur in embodiment 4.
Label declaration in schematic diagram:
100, operating stick；110, snorkel；111, power tracheae；112, pressure gauge；200, air motor；300, it connects
Axis；400, round bur；410, coal long tooth is bored；411, coal short tooth is bored；412, round bur ontology.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Therefore, below to providing in the accompanying drawings
The detailed description of the embodiments of the present invention be not intended to limit the range of claimed invention, but only
Indicate the selected embodiment of the utility model.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
In conjunction with Fig. 1 and Fig. 2, a kind of hand-held blockage-clearing device of the present embodiment, including operating stick 100 and air motor 200, gas
Dynamic motor 200 is set to 100 one end of operating stick, and 100 inner hollow of operating stick is arranged to form cavity, and power tracheae 111 passes through behaviour
Make 100 internal cavities of bar to be connected with air motor 200, air motor 200 is equipped with round bur 400, round bur 400 and air motor
200 are connected by connecting shaft 300, and round bur 400 includes round bur ontology 412, if the spherical surface of round bur ontology 412 is equipped with drilled dry
Coal tooth.
The power tracheae 111 of the present embodiment is connected with inflatable body, and the inflatable body in the present embodiment can compress for air
Machine blows afloat mechanism for gas and is discharged into power tracheae 111, and compressed air provides power, air motor for the rotation of air motor 200
200 are connected by connecting shaft 300 with round bur 400, under the rotary action of air motor 200, drive round bur 400 and connecting shaft
300 synchronous rotaries.When coal pipe coal blockage phenomenon occurs, by holding block clearing tool, to there are the positions of chute blockage to carry out block clearing,
Using compressed air as power source, the pressure energy of compressed air is converted by rotating mechanical energy by air motor 200, makes to pacify
Round bur 400 mounted in head rotates, and round bur 400 includes round bur ontology 412, and the spherical surface of round bur ontology 412 is equipped with several
Coal tooth to be bored, coal tooth is bored and at cone cell and is spaced apart, each brill coal odontoid size is identical, multiple brill coal tooth roll off breakage product coals,
Achieve the effect that cleaning.
Round bur 400 is hemispherical in the present embodiment, and entire spherical surface, which is respectively provided with, bores coal tooth, since coal spout is laid with complexity, is fallen
Situation is not easy to observe in coal pipe, and hemispheric round bur 400 can be conveniently adjusted angle, to realize to choking portion each in coal spout
The timely cleaning of position avoids the presence of blocking blind area.Air motor 200 is common mechanism on the market, and working principle is also
Common knowledge known to a person skilled in the art, details are not described herein.Simultaneously because vibration, this reality can be generated when cleaning chute blockage
Applying operating stick 100 in example can be made of hard material, and to improve the stability of operating stick 100, reduce the rotation of round bur 400 to behaviour
Make the abrasion of the generation of bar 100.
A kind of hand-held blockage-clearing device of the present embodiment, the side that power tracheae 111 extends other than operating stick 100 is equipped with
Pressure gauge 112, pressure gauge 112 can show the gas pressure size for being passed through power tracheae 111, real-time monitoring be realized, in practical behaviour
It, can be according to the specific stopping state of transporting coal pipeline come regulating gas pressure size, to adjust the work of air motor 200 during work
The rate of doing work realizes the control to 400 slewing rate of round bur.
A kind of hand-held blockage-clearing device of the present embodiment, power tracheae 111 are also connected to snorkel 110, and snorkel 110 is close
The end of round bur 400 is equipped with nozzle, and snorkel 110 passes to gas at round bur 400, and gas is blown along nozzle against coal tooth is bored
Gas can will bore the coal dust gathered between coal tooth and blow open, and prevent coal dust from accumulating, and improve the block clearing effect for boring coal tooth to blocking coal cinder
Fruit；It, using snorkel 110 to blowing at blocking in coal spout, can also will be blocked before/after round bur 400 rotates
Coal cinder surface scum is blown open, and round bur 400 is recycled to carry out boring processing to chute blockage；Or snorkel 110 is utilized after block clearing
To purging at block clearing, the tiny cinder of surface remaining is removed.
In the present embodiment between power tracheae 111 and operating stick 100, being between power tracheae 111 and snorkel 110 can
Dismantling connection is quickly removed and installed by quick coupling realization, and flexible operation is easy, can quickly solve coal pipe coal blockage
Failure reduces failure rate, and structure is simple, easy to carry, is convenient for manual cleaning, had not only improved block clearing efficiency, but also reduce
Block clearing labor intensity, it is ensured that coal handling system supply coal safety is stablized.
Embodiment 2
In conjunction with Fig. 3, a kind of hand-held blockage-clearing device of the present embodiment, structure is substantially the same manner as Example 1, further
: it bores coal tooth and includes alternately arranged brill coal long tooth 410 and bore coal short tooth 411, the length for boring coal short tooth 411, which is less than, bores coal long tooth
410 length can increase the spacing bored between coal long tooth 410, prevent coal dust to be piled up in and bore between coal long tooth 410, influence to bore
The loose coal effect of 410 pairs of coal long tooth blocking coal cinders；Bore coal long tooth 410 along far from round bur ontology 412 direction area of section gradually
Increase, bore coal short tooth 411 and be gradually reduced along the direction area of section far from round bur ontology 412, coal cinder biggish for volume bores
The area that coal long tooth 410 is contacted with coal cinder increases, and improves and bores coal long tooth 410 to the pressure of coal cinder, it is easier to is broken into
Lesser coal cinder, boring coal short tooth 411, bore further to the progress of lesser coal cinder is moved again, forms it into coal dust, improves and dredge effect
Fruit.
Embodiment 3
In conjunction with Fig. 4, a kind of hand-held blockage-clearing device of the present embodiment, structure is substantially the same manner as Example 2, difference
It is: bores coal long tooth 410 far from the end of round bur ontology 412 and be additionally provided with several sawtooth, sawtooth is pointed at shape, and it is very sharp, increase
The big cutting power to product coal, bores coal long tooth 410 and is gradually increased along the direction area of section far from round bur ontology 412, can be with
It ensures the quantity for boring 410 end sawtooth of coal long tooth, improves the cutting effect to product coal, bore coal short tooth 411 along far from round bur ontology
412 direction area of section is gradually reduced, and the coal cinder after saw cut can further be loosened by boring coal short tooth 411,
Dredging effect is improved, coal dust is avoided to bore the blocking between coal tooth.A kind of hand-held blockage-clearing device of the present embodiment, can be better
The blockage problem for solving coal spout improves the service life of coal spout so that material flows smoothly.
Embodiment 4
In conjunction with Fig. 5, a kind of hand-held blockage-clearing device of the present embodiment, structure is substantially the same manner as Example 2, difference
It is: bores coal short tooth 411 and brill coal long tooth 410 far from the side of round bur ontology 412 and be equipped with several sawtooth, and along far from round bur
The direction area of section of ontology 412 is gradually reduced.A kind of hand-held blockage-clearing device of the present embodiment bores coal tooth end and is equipped with saw
Tooth more rapid can break up coal cinder, and bore coal tooth and be gradually reduced along the direction area of section far from round bur ontology 412,
It increases and bores coal short tooth 411 and bore between coal long tooth 410, bores coal long tooth 410 and bore between coal long tooth 410 and bore coal short tooth
Spacing between 411 and brill coal short tooth 411, further prevents coal dust to be piled up between each brill coal tooth, improves clear coal effect, this reality
A kind of hand-held blockage-clearing device for applying example, relative to manually beat, the methods of vibration hammer, there are the advantages such as with small vibration, at low cost, adopt
Use compressed air as kinetic energy, more safety and environmental protection, the risk for having prevented to generate the security risks such as spark, electric shock exists, and is worth
Utilization and extention.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (9)
1. a kind of hand-held blockage-clearing device, it is characterised in that: including operating stick (100) and air motor (200), air motor
(200) it is set to operating stick (100) one end, operating stick (100) inner hollow is arranged to form cavity, and power tracheae (111) passes through
Operating stick (100) internal cavities are connected with air motor (200), and air motor (200) is equipped with round bur (400), round bur (400)
It is connected with air motor (200) by connecting shaft (300), round bur (400) includes round bur ontology (412), round bur ontology (412)
If spherical surface is equipped with drilled dry coal tooth.
2. a kind of hand-held blockage-clearing device according to claim 1, it is characterised in that: it bores coal tooth and at cone cell and is spaced apart,
Each brill coal odontoid size is identical.
3. a kind of hand-held blockage-clearing device according to claim 1, it is characterised in that: boring coal tooth includes alternately arranged brill coal
Long tooth (410) and brill coal short tooth (411), the length for boring coal short tooth (411) are less than the length for boring coal long tooth (410).
4. a kind of hand-held blockage-clearing device according to claim 3, it is characterised in that: bore coal long tooth (410) along far from round bur
The direction area of section of ontology (412) is gradually increased.
5. a kind of hand-held blockage-clearing device according to claim 4, it is characterised in that: bore coal short tooth (411) along far from round bur
The direction area of section of ontology (412) is gradually reduced.
6. a kind of hand-held blockage-clearing device according to claim 3, it is characterised in that: bore coal long tooth (410) far from round bur sheet
The end of body (412) is additionally provided with several sawtooth, bore coal long tooth (410) along the direction area of section far from round bur ontology (412) by
It is cumulative big.
7. a kind of hand-held blockage-clearing device according to claim 6, it is characterised in that: bore coal short tooth (411) along far from round bur
The direction area of section of ontology (412) is gradually reduced.
8. a kind of hand-held blockage-clearing device according to claim 3, it is characterised in that: bore coal short tooth (411) and bore coal long tooth
(410) side far from round bur ontology (412) is equipped with several sawtooth, and along the direction section face far from round bur ontology (412)
Product is gradually reduced.
9. a kind of hand-held blockage-clearing device according to claim 1-8, it is characterised in that: power tracheae (111) prolongs
The side stretched out other than operating stick (100) is equipped with pressure gauge (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821678804.7U CN208963791U (en) | 2018-10-17 | 2018-10-17 | A kind of hand-held blockage-clearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821678804.7U CN208963791U (en) | 2018-10-17 | 2018-10-17 | A kind of hand-held blockage-clearing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208963791U true CN208963791U (en) | 2019-06-11 |
Family
ID=66760017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821678804.7U Expired - Fee Related CN208963791U (en) | 2018-10-17 | 2018-10-17 | A kind of hand-held blockage-clearing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208963791U (en) |
-
2018
- 2018-10-17 CN CN201821678804.7U patent/CN208963791U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108756923A (en) | A kind of development machine using high pressure water broken rock | |
| CN110410093A (en) | A kind of high pressure water cavitation broken rock TBM and its construction method | |
| CN208167854U (en) | A kind of environment-friendly type hydraulic breaking hammer | |
| CN106761408A (en) | A kind of high energy gas jet Rock penetrating method and apparatus | |
| CN109372536A (en) | A kind of development machine and its driving method using pressure (hydraulic) water broken rock | |
| CN201531270U (en) | Water spray surrounded dust collector of excavating machine | |
| CN208963791U (en) | A kind of hand-held blockage-clearing device | |
| CN208979912U (en) | A kind of power plant coal pipe coal blockage cleaning plant | |
| CN201396076Y (en) | Pneumatic backcycling drill tool for fixing hole | |
| CN206554799U (en) | A kind of high energy gas jet Rock penetrating device | |
| CN204324435U (en) | A kind of efficient receipts sand device | |
| CN203591894U (en) | Material bed cleaning device in centrifugal machine | |
| CN202767919U (en) | Mining drilling drainage and dust removal device | |
| CN212867465U (en) | Dry-type dustless pneumatic roofbolter | |
| CN103639073A (en) | Material bed clearing device of centrifugal machine | |
| CN207226130U (en) | A kind of high pressure nitrogen helps stream to bring down stocks equipment | |
| CN109505600A (en) | A kind of high efficient driving using geomantic omen linkage type atomizing de-dusting splits wall machine | |
| CN213611676U (en) | Construction waste treatment equipment | |
| CN107605530A (en) | A kind of high-pressure water jet dust arrester | |
| CN209956258U (en) | Advanced ceramic unburned bricks precision finishing powder cleaning device | |
| CN205189748U (en) | Novel rotary drilling rig | |
| CN203066910U (en) | Negative-pressure drilling system | |
| CN205270188U (en) | Multi -functional air valve clearance instrument is patrolled and examined in power station | |
| CN219851207U (en) | Novel coal bunker wall-hanging cleaning tool | |
| CN207131446U (en) | Pneumatic rotary injection stirs sand setting liquefying plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190611 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |