CN204974561U - Online main drain pump absorbs water halter and prevents stifled sediment removal device for coal mine - Google Patents
Online main drain pump absorbs water halter and prevents stifled sediment removal device for coal mine Download PDFInfo
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- CN204974561U CN204974561U CN201520538009.8U CN201520538009U CN204974561U CN 204974561 U CN204974561 U CN 204974561U CN 201520538009 U CN201520538009 U CN 201520538009U CN 204974561 U CN204974561 U CN 204974561U
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Abstract
The utility model provides an online main drain pump absorbs water halter and prevents stifled sediment removal device for coal mine, belongs to a colliery with supplementary dredging mechanical. Should prevent that stifled sediment removal device included: husky pump, high -pressure water jet device, electrical system and valve unit are arranged in drive division, circular arc guide slide, perpendicular guide slide, stirring. Drive division and vertical guide slide link to each other, and the stirring is arranged husky pump and is installed on the vertical guide slide, and about it can be followed down to the jack effect, the vertical guide slide passes through the roller to be installed on circular arc guide slide, can wind its positive despining under the drive division acts on to the husky pump of drive stirring row centers on the halter that absorbs water to be done from top to bottom and circular motion, to the all -round clearance of silt around it, the high -pressure water jet device can be washed silt open and dilute the pump drainage of being convenient for, electrical system, valve unit are used for system control. Device compact structure can use behind the one -time Setup for a long time, clears up on line the halter that absorbs water, need not artifical desilting, has reduced workman's amount of labour and cost, economy, safety, high efficiency.
Description
Technical field
The utility model relates to the auxiliary machines for mud clearage in a kind of colliery, particularly relates to the anti-blocking Accrete clearing device of the online main drain pump water suction halter in a kind of colliery.
Background technology
Underground coal mine main drain pump is generally arranged in pump house, open and build special water storing bin and absorbing well, absorption well, water pump after absorbing well, absorption well water lift arrange ground, because underground gushing water is with in progress of coal mining, be mixed with a large amount of coal slimes, black water is after remittance sump, deposit gradually in sump and absorbing well, absorption well, time one length causes sump mud to pile up, and digs clearly not in time, progressively can expand and bury extremely by the water suction halter of absorbing well, absorption well shaft bottom and water pump, water pump cannot normally work.Mine is constantly organized by labor cleaning, water suction halter is dug out from mud, guarantee water pump proper drainage, although this way is effective, but each absorbing well, absorption well switches work back and forth, affect mine proper drainage and workman gos deep into construction in absorbing well, absorption well, time-consuming labour intensity is large, is absolutely unsafe.
Utility model content
The purpose of this utility model to provide one can to water suction halter Hand scarf, and automaticity is high, without the need to artificial desilting, reduces the anti-blocking Accrete clearing device of the online main drain pump water suction halter in colliery of workman's amount of labour and cost.
The purpose of this utility model is achieved in that this anti-blocking Accrete clearing device comprises: drive division, circular arc guide slide, vertically-guided slideway, stirring sand discharging pump, high-voltage water jet device, electric-control system and control valve group; The power transmission shaft of drive division is connected with the fixed derrick of vertically-guided slideway, the fixing roller of vertically-guided slideway is positioned at the slide groove of circular arc guide slide, stirring sand discharging pump is also connected with at vertically-guided slideway, circular arc guide slide and high-voltage water jet device are connected with the suction hose of main drain pump respectively, suction hose plays firm effect, and the power performer in device is connected with electric-control system and control valve group.
Described drive division comprises: drive motors, power transmission shaft, pinion, gear wheel, fixed axis, supporting base, Plane Rotation bearing, suspension arm and drive motors cable; Drive motors lower end is connected by power transmission shaft with pinion, upper end is connected with suspension arm one end, the suspension arm other end is enclosed within gear wheel fixed axis, be connected with supporting base, and drop on Plane Rotation bearing, supporting base is fixed on the fixed axis of gear wheel, supporting base is embedded with Plane Rotation bearing, fixed axis one end is fixed on absorbing well, absorption well roof, and the other end is fixed on the center of gear wheel, and gear wheel is meshed with pinion; Drive motors is connected with electric-control system by drive motors cable; When giving drive motors power transmission, drive motors drives pinion to rotate, and because gear wheel is fixed, pinion just rotates around canine tooth crop rotation engagement, drives suspension arm to rotate around supporting base and fixed axis simultaneously.
Described circular arc guide slide comprises: circular arc slide groove and brace summer; Circular arc slide groove is that circular trough can circle along groove by back-up roller kinetoplast by a circular trough of three block plate weldings; The side brace summer of groove welds with suction hose, is arranged symmetrically with, and forms an entirety; Circular arc guide slide is arranged up and down along suction hose, and spaced apart with Water-drawing tap.
Described vertically-guided slideway comprises: fixed derrick, jack, jack piston rod, slideway upper end fix roller, roller and connecting rod are fixed in slide block, slideway, slideway lower end; Slideway is rectangular steel tube, and a side has one cannelure, as guiding use, inserts a slide block that can move up and down in square tube along groove in square tube; Slide block is welded with fixed bar, and fixed bar moves along groove; Upper end of slide block is connected with the piston rod of jack by connecting rod, jack upper end is connected by the power transmission shaft of fixed derrick with drive division pinion, jack lower end is fixed on the upper end of slideway, the opposite flank of slotting with slideway is welded with slideway upper end and fixes roller and roller is fixed in slideway lower end, upper next vertical slideway is fixed roller and is embedded in the circular arc slide groove of upper and lower twice circular arc guide slide, roller can rotate along circular arc slide groove, thus drives vertically-guided slideway to do circumference rotation together.
Described stirring sand discharging pump comprises: the pump housing, fixed block, stirring-head, guard shield, delivery port, scupper hose and stirring sand discharging pump cable; The pump housing is welded with fixed block, and the fixed bar on fixed block and slide block is weldingly connected, and the pump housing and slide block are connected as a single entity; Stirring-head is connected with the output shaft of the pump housing, stirring-head is driven to rotate together when pump shaft rotates, mud stirs out by stirring-head together with water, mix and stir into muddy water slurry, be convenient to stir sand discharging pump pump drainage, the outside of stirring-head is covered with protective cover, and pump housing upper end is welded with discharge outlet, draining muzzle has scupper hose, and stirs sand discharging pump cable.
Described high-voltage water jet device comprises: annular conduit, shower nozzle, feed pipe, control combination valve and built-in beam; Annular conduit is the closed water pipe of the diameter 1 cun of a circumflexion, is enclosed within main drain pump suction hose, is positioned at above water suction halter; And welded by built-in beam with main pump suction hose, form a fixed body; Every 30 ° of welding sprinkler head on annular conduit, each sprinkler head has 3 spouts, by level, vertical and oblique lower 45 ° of layouts; Annular conduit is welded with diameter 2 cun of feed pipes, feed pipe is fixed by suspension rod and tunnel, and the other end of feed pipe is received on the drainpipe of main row's pump, for taking the press water be detained in main comb; For ensureing that suction hose is stablized, bottom suction hose is fixed by the borehole wall of underwater pipeline stabilizing beam and absorbing well, absorption well, and top support pier and pump house base plate are fixed.
Described electric-control system comprises: reversible stacked switch, drive motors cable and stir sand discharging pump cable respectively with drive motors with stirs sand discharging pump and be connected, in order to control start-stop and the rotating of drive motors and stirring sand discharging pump.
Described control valve group comprises: control combination valve and high-pressure rubber pipe; Control combination valve is connected with jack by high-pressure rubber pipe, in order to control the flexible of jack; Be connected with annular conduit by feed pipe, in order to control the water outlet start-stop of shower nozzle.
Beneficial effect, owing to have employed such scheme, device integral installation is above the absorbing well, absorption well of main drain pump, when needs cleaning water suction halter, close absorbing well, absorption well inlet gate, open the control combination valve be connected in series in high-voltage water jet device feed pipe, water under high pressure just presses certain angle injection at a high speed from the shower nozzle of high-voltage water jet device, impact the mud around water suction halter, mud is rushed and dilutes, and then start stirring sand discharging pump stirring and pumping, stir sand discharging pump and the muddy water mixed and stirred slurry is taken away, water halter is cleared up; After processing an orientation, can start drive motors by forward, drive division drives vertical slideway to do counterclockwise half circular motion along circular arc slideway by stationary links, and vertical slideway drives stirring sand discharging pump to move to predetermined angular pump drainage again; Also oppositely drive motors can be started, drive division drives vertical slideway to make clockwise half circular motion along circular arc slideway, in like manner, vertical slideway drives again stirring sand discharging pump to move to another predetermined angular pump drainage again, and vertical slideway can be cleared up along the mud in circular arc slideway range of movement; When giving jack feed flow, the piston rod drivening rod of jack and guide runner move downward, thus drive stirring sand discharging pump to move downward, otherwise can realize moving up, different with the deposit thickness adapting to mud.Moved with mixing pump along vertical motion slide along circular arc slideway by vertical slideway, and water jet device constantly impacts and stirs sand discharging pump continuous print stirring pump drainage, mud very block is cleaned.As long as device is started at daily interval, the mud around main drain pump water suction halter can not successive sedimentation, has stopped to bury dead halter, reaches continuously online desilting object, stirs that slime water that sand discharging pump discharges is directly counter to be poured into sump mixing and arrange, without the need to precipitation process again.
Advantage: this device can continuous operation after installation together with main drain pump, efficiently can clear up water suction halter place mud in time, minimizing water suction halter is silted and buries number of times, reduces absorbing well, absorption well and switches cleaning back and forth, alleviate workman's amount of labour, raise labour efficiency and workmen's safety coefficient; Apparatus structure is compact, can Long-Time Service after once mounting, and to water suction halter Hand scarf, automaticity is high, without the need to artificial desilting, decreases workman's amount of labour and cost, economic, safety, efficient.
Accompanying drawing explanation
Fig. 1 is integral arrangement schematic diagram of the present utility model.
Fig. 2 is driving part structure schematic diagram of the present utility model.
Fig. 3 is circular arc guide slide structural representation of the present utility model.
Fig. 4 is the plan structure figure of Fig. 3.
Fig. 5 is vertically-guided slideway structure schematic diagram of the present utility model.
Fig. 6 is the side-looking structure chart of Fig. 5.
Fig. 7 is stirring sand discharging pump structural representation of the present utility model.
Fig. 8 is high-voltage water jet device structural representation of the present utility model.
Fig. 9 is the plan structure figure of Fig. 8.
Figure 10 is electrical control system structure schematic diagram of the present utility model.
Figure 11 is hydraulic control system structural representation of the present utility model.
In figure, 1, drive motors; 2, power transmission shaft; 3, pinion; 4, fixed axis; 5, gear wheel; 6, supporting base; 7, Plane Rotation bearing; 8, suspension arm; 9, drive motors cable; 10, circular arc slide groove; 11, brace summer; 12, suction hose; 13, absorb water halter; 14, fixed derrick; 15, jack; 16, jack piston rod; 17, roller is fixed in slideway upper end; 18, slide block; 19, slideway; 20, roller is fixed in slideway lower end; 21, connecting rod; 22, fixed bar; 23, the pump housing; 24, fixed block; 25, stirring-head; 26, protective cover; 27, discharge outlet; 228, scupper hose; 29, sand discharging pump cable is stirred; 30, annular conduit; 31, shower nozzle; 32, feed pipe; 33, control combination valve 33; 34, built-in beam; 35, drainpipe; 36, inlet gate; 37, underwater pipeline stabilizing beam; 38, main row's motor; 39, main drain pump; 40, support pier; 41, absorbing well, absorption well; 42, mud; 43, reversible stacked switch; 44, control combination valve; 45, high-pressure rubber pipe; 46, suspension rod.
Detailed description of the invention
Embodiment 1: this anti-blocking Accrete clearing device comprises: drive division, circular arc guide slide, vertically-guided slideway, stirring sand discharging pump, high-voltage water jet device, electric-control system and control valve group; The power transmission shaft of drive division is connected with the fixed derrick of vertically-guided slideway, the fixing roller of vertically-guided slideway is positioned at the slide groove of circular arc guide slide, also be connected with stirring sand discharging pump at vertically-guided slideway, be connected with high-voltage water jet device in the lower end of vertically-guided slideway; Circular arc guide slide and high-voltage water jet device are connected with the suction hose of main drain pump respectively, and suction hose plays firm effect; Power performer in device is connected with electric-control system and control valve group.Described power performer is: drive motors, stirring sand discharging pump, high-voltage water jet device, jack; Wherein drive motors, stir sand discharging pump by electric control system controls, high-voltage water jet device and the controlled combination valve of jack control, and stir moving both vertically of sand discharging pump and to control by jack.
Described drive division comprises: drive motors 1, power transmission shaft 2, pinion 3, gear wheel 4, fixed axis 5, supporting base 6, Plane Rotation bearing 7, suspension arm 8 and drive motors cable 9.Drive motors 1 lower end is connected by power transmission shaft 2 with pinion 3, upper end is connected with suspension arm 8 one end, suspension arm 8 other end is enclosed within gear wheel fixed axis 5, be connected with supporting base 6, and drop on Plane Rotation bearing 7, supporting base 6 is fixed on the fixed axis 5 of gear wheel 4, supporting base 6 is embedded with Plane Rotation bearing 7, fixed axis 5 one end is fixed on absorbing well, absorption well roof, and the other end is fixed on the center of gear wheel 4, and gear wheel 4 is meshed with pinion 3; Drive motors 1 is connected with electric-control system by drive motors cable 9.When giving drive motors 1 power transmission, drive motors drives pinion 3 to rotate, and because gear wheel 4 is fixed, pinion is just done engagement around gear wheel 3 and rotated, and drives suspension arm 8 to rotate around supporting base 6 and fixed axis 5 simultaneously.
Described circular arc guide slide comprises: circular arc slide groove 10, brace summer 11.Circular arc slide groove 10 is that circular trough can circle along groove by back-up roller kinetoplast by a circular trough of three block plate weldings.The side brace summer 11 of groove welds with suction hose 12, is arranged symmetrically with 4 roads, forms an entirety.2 road circular arc guide slides are arranged up and down along suction hose, and spaced apart with Water-drawing tap 13.
Described vertically-guided slideway comprises: fixed derrick 14, jack 15, jack piston rod 16, slideway upper end fix roller 17, slide block 18, slideway 19, roller 20 is fixed in slideway lower end, connecting rod 21 forms.Slideway 19 is rectangular steel tube, and a side has one cannelure, as guiding use, inserts a slide block 18 that can move up and down in square tube along groove in square tube; Slide block 18 is welded with fixed bar 22, fixed bar 22 moves along groove; Slide block 18 upper end is connected with the piston rod 16 of jack 15 by connecting rod 21, jack 15 upper end is connected with the power transmission shaft 2 of drive division pinion 3 by fixed derrick 14, jack 15 lower end is fixed on the upper end of slideway 19, the opposite flank of slotting with slideway 19 is welded with slideway upper end and fixes roller 17 and roller 20 is fixed in slideway lower end, upper and lower 2 vertical slideway are fixed roller and are embedded in the circular arc slide groove 10 of upper and lower twice circular arc guide slide, roller can rotate along circular arc slide groove 10, thus drives vertically-guided slideway to do circumference rotation together.
Described stirring sand discharging pump comprises: the pump housing 23, fixed block 24, stirring-head 25, guard shield 26, delivery port 27, scupper hose 28 and stirring sand discharging pump cable 29.The pump housing 23 is welded with fixed block 24, fixed block 24 is weldingly connected with the fixed bar 22 on slide block 18, and the pump housing 23 and slide block 18 are connected as a single entity; Stirring-head 25 is connected with the output shaft of the pump housing 23, stirring-head 25 is driven to rotate together when pump shaft rotates, mud stirs out by stirring-head 25 together with water, mix and stir into muddy water slurry, be convenient to stir sand discharging pump pump drainage, the outside of stirring-head is covered with protective cover 26, and pump housing upper end is welded with discharge outlet 27, discharge outlet 27 cover has scupper hose 28, and stirs sand discharging pump cable 29.
Described high-voltage water jet device comprises: annular conduit 30, shower nozzle 31, feed pipe 32, control combination valve 33, built-in beam 34 form.Annular conduit 30 is the closed water pipe of the diameter 1 cun of a circumflexion, is enclosed within main drain pump suction hose 12, is positioned at above water suction halter 13.And welded by built-in beam 34 with main pump suction hose 12, form a fixed body; Every 30 ° of welding sprinkler head 31 on annular conduit 30, each sprinkler head has 3 spouts, by level, vertical and oblique lower 45 ° of layouts.Annular conduit is welded with diameter 2 cun of feed pipes 32, feed pipe 32 is fixed by suspension rod 46 and tunnel, and the other end of feed pipe 32 is received on the drainpipe 35 of main row's pump, for taking the press water be detained in main comb 35.For ensureing that suction hose is stablized, bottom suction hose 12 is fixed by the borehole wall of underwater pipeline stabilizing beam 37 with absorbing well, absorption well 41, and top support pier 40 and pump house base plate are fixed.
Described electric-control system comprises: reversible stacked switch 43, drive motors cable 9 and stir sand discharging pump cable 29 respectively with drive motors 1 with stirs sand discharging pump 23 and be connected, in order to control start-stop and the rotating of drive motors 1 and stirring sand discharging pump 23.
Described control valve group comprises: control combination valve 44, high-pressure rubber pipe 45; Control combination valve 44 is connected with jack 15 by high-pressure rubber pipe 45, in order to control the flexible of jack 15; Be connected with annular conduit 30 by feed pipe 32, in order to control the water outlet start-stop of shower nozzle 31.
Claims (8)
1. the colliery anti-blocking Accrete clearing device of online main drain pump water suction halter, is characterized in that: this anti-blocking Accrete clearing device comprises: drive division, circular arc guide slide, vertically-guided slideway, stirring sand discharging pump, high-voltage water jet device, electric-control system and control valve group; The power transmission shaft of drive division is connected with the fixed derrick of vertically-guided slideway, the fixing roller of vertically-guided slideway is positioned at the slide groove of circular arc guide slide, also be connected with stirring sand discharging pump at vertically-guided slideway, be connected with high-voltage water jet device in the lower end of vertically-guided slideway; Circular arc guide slide and high-voltage water jet device are connected with the suction hose of main drain pump respectively, and suction hose plays firm effect; Power performer in device is connected with electric-control system and control valve group.
2. a kind of colliery according to claim 1 anti-blocking Accrete clearing device of online main drain pump water suction halter, is characterized in that: described drive division comprises: drive motors, power transmission shaft, pinion, gear wheel, fixed axis, supporting base, Plane Rotation bearing, suspension arm and drive motors cable; Drive motors lower end is connected by power transmission shaft with pinion, upper end is connected with suspension arm one end, the suspension arm other end is enclosed within gear wheel fixed axis, be connected with supporting base, and drop on Plane Rotation bearing, supporting base is fixed on the fixed axis of gear wheel, supporting base is embedded with Plane Rotation bearing, fixed axis one end is fixed on absorbing well, absorption well roof, and the other end is fixed on the center of gear wheel, and gear wheel is meshed with pinion; Drive motors is connected with electric-control system by drive motors cable; When giving drive motors power transmission, drive motors drives pinion to rotate, and because gear wheel is fixed, pinion just rotates around canine tooth crop rotation engagement, drives suspension arm to rotate around supporting base and fixed axis simultaneously.
3. a kind of colliery according to claim 1 anti-blocking Accrete clearing device of online main drain pump water suction halter, is characterized in that: described circular arc guide slide comprises: circular arc slide groove and brace summer; Circular arc slide groove is that circular trough can circle along groove by back-up roller kinetoplast by a circular trough of three block plate weldings; The side brace summer of groove welds with suction hose, is arranged symmetrically with, and forms an entirety; Circular arc guide slide is arranged up and down along suction hose, and spaced apart with Water-drawing tap.
4. a kind of colliery according to claim 1 anti-blocking Accrete clearing device of online main drain pump water suction halter, is characterized in that: described vertically-guided slideway comprises: fixed derrick, jack, jack piston rod, slideway upper end fix roller, roller and connecting rod are fixed in slide block, slideway, slideway lower end; Slideway is rectangular steel tube, and a side has one cannelure, as guiding use, inserts a slide block that can move up and down in square tube along groove in square tube; Slide block is welded with fixed bar, and fixed bar moves along groove; Upper end of slide block is connected with the piston rod of jack by connecting rod, jack upper end is connected by the power transmission shaft of fixed derrick with drive division pinion, jack lower end is fixed on the upper end of slideway, the opposite flank of slotting with slideway is welded with slideway upper end and fixes roller and roller is fixed in slideway lower end, upper and lower 2 vertical slideway are fixed roller and are embedded in the circular arc slide groove of upper and lower twice circular arc guide slide, roller can rotate along circular arc slide groove, thus drives vertically-guided slideway to do circumference rotation together.
5. a kind of colliery according to claim 1 anti-blocking Accrete clearing device of online main drain pump water suction halter, is characterized in that: described stirring sand discharging pump comprises: the pump housing, fixed block, stirring-head, guard shield, delivery port, scupper hose and stirring sand discharging pump cable; The pump housing is welded with fixed block, and the fixed bar on fixed block and slide block is weldingly connected, and the pump housing and slide block are connected as a single entity; Stirring-head is connected with the output shaft of the pump housing, stirring-head is driven to rotate together when pump shaft rotates, mud stirs out by stirring-head together with water, mix and stir into muddy water slurry, be convenient to stir sand discharging pump pump drainage, the outside of stirring-head is covered with protective cover, and pump housing upper end is welded with discharge outlet, draining muzzle has scupper hose, and stirs sand discharging pump cable.
6. a kind of colliery according to claim 1 anti-blocking Accrete clearing device of online main drain pump water suction halter, is characterized in that: described high-voltage water jet device comprises: annular conduit, shower nozzle, feed pipe, control combination valve and built-in beam; Annular conduit is the closed water pipe of the diameter 1 cun of a circumflexion, is enclosed within main drain pump suction hose, is positioned at above water suction halter; And welded by built-in beam with main pump suction hose, form a fixed body; Every 30 ° of welding sprinkler head on annular conduit, each sprinkler head has 3 spouts, by level, vertical and oblique lower 45 ° of layouts; Annular conduit is welded with diameter 2 cun of feed pipes, feed pipe is fixed by suspension rod and tunnel, and the other end of feed pipe is received on the drainpipe of main row's pump, for taking the press water be detained in main comb; For ensureing that suction hose is stablized, bottom suction hose is fixed by the borehole wall of underwater pipeline stabilizing beam and absorbing well, absorption well, and top support pier and pump house base plate are fixed.
7. a kind of colliery according to claim 1 anti-blocking Accrete clearing device of online main drain pump water suction halter, it is characterized in that: described electric-control system comprises: reversible stacked switch, drive motors cable and stir sand discharging pump cable respectively with drive motors with stirs sand discharging pump and be connected, in order to control start-stop and the rotating of drive motors and stirring sand discharging pump.
8. a kind of colliery according to claim 1 anti-blocking Accrete clearing device of online main drain pump water suction halter, is characterized in that: described control valve group comprises: control combination valve and high-pressure rubber pipe; Control combination valve is connected with jack by high-pressure rubber pipe, in order to control the flexible of jack; Be connected with annular conduit by feed pipe, in order to control the water outlet start-stop of shower nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520538009.8U CN204974561U (en) | 2015-07-23 | 2015-07-23 | Online main drain pump absorbs water halter and prevents stifled sediment removal device for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520538009.8U CN204974561U (en) | 2015-07-23 | 2015-07-23 | Online main drain pump absorbs water halter and prevents stifled sediment removal device for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204974561U true CN204974561U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520538009.8U Expired - Fee Related CN204974561U (en) | 2015-07-23 | 2015-07-23 | Online main drain pump absorbs water halter and prevents stifled sediment removal device for coal mine |
Country Status (1)
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| CN (1) | CN204974561U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032815A (en) * | 2015-07-23 | 2015-11-11 | 陈国强 | Online main drainage pump water suction kettle anti-blocking dredging device for coal mine |
| CN108118772A (en) * | 2017-12-13 | 2018-06-05 | 湖南中大经纬地热开发科技有限公司 | A kind of multi-functional mine drainage pumping plant |
| CN108380602A (en) * | 2018-02-02 | 2018-08-10 | 武汉华星光电技术有限公司 | A kind of syringe pump cleaning equipment, method and syringe pump |
| CN111472721A (en) * | 2020-06-02 | 2020-07-31 | 罗林峰 | Dredging equipment for preventing and treating water damage of mine |
-
2015
- 2015-07-23 CN CN201520538009.8U patent/CN204974561U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032815A (en) * | 2015-07-23 | 2015-11-11 | 陈国强 | Online main drainage pump water suction kettle anti-blocking dredging device for coal mine |
| CN108118772A (en) * | 2017-12-13 | 2018-06-05 | 湖南中大经纬地热开发科技有限公司 | A kind of multi-functional mine drainage pumping plant |
| CN108380602A (en) * | 2018-02-02 | 2018-08-10 | 武汉华星光电技术有限公司 | A kind of syringe pump cleaning equipment, method and syringe pump |
| CN111472721A (en) * | 2020-06-02 | 2020-07-31 | 罗林峰 | Dredging equipment for preventing and treating water damage of mine |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20160723 |
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| CF01 | Termination of patent right due to non-payment of annual fee |