CN201080900Y - Emulsion pump for coal mine - Google Patents
Emulsion pump for coal mine Download PDFInfo
- Publication number
- CN201080900Y CN201080900Y CNU2007201115741U CN200720111574U CN201080900Y CN 201080900 Y CN201080900 Y CN 201080900Y CN U2007201115741 U CNU2007201115741 U CN U2007201115741U CN 200720111574 U CN200720111574 U CN 200720111574U CN 201080900 Y CN201080900 Y CN 201080900Y
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- Prior art keywords
- plunger
- pump
- eccentric
- main shaft
- shaft
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- Expired - Fee Related
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Abstract
The utility model discloses an emulsion pump for use in a coal mine, comprising a pump body, a main shaft which is an eccentric shaft arranged along the symmetric axis in the center of the pump body, plunger pistons distributed in slide rails on the left and right of the eccentric shaft, rotor journals which are arranged on the eccentric shaft and matched with the plunger pistons on one side in terms of number, retracting springs which are arranged on the plunger pistons and allows one end of each plunger piston to cling to a cambered surface of each rotor journal, wherein the turning of the rotor journals allows the plunger pistons to do reciprocal rectilinear motion in the slide rails. With the main shaft of the rotor journals replacing a crank link mechanism, the utility model is more simple in structure and reduced in production cost; and as the turning of one rotor journal can drive left and right two plunger piston to do reciprocal rectilinear motion, thereby realizing the symmetric arrangement of the plunger pistons; moreover, direct drive is adopted between the main shaft and a power shaft to replace a gear reduction mechanism; as a result, a main shaft has the same diameter can provide power for more plunger pistons, and the symmetric plunger pistons reduce vibration generated in the operation of the pump body, thereby the utility model has the advantages of high working speed and efficiency.
Description
Technical field
The utility model belongs to a kind of pump, especially relates to a kind of colliery high-pressure emulsification liquid pump.
Background technique
The hydraulic prop equipment of down-hole mining tunnel, colliery and operation working face is requisite equipment during the mine produces.A large amount of hydraulic prop or hydraulic supports that use in the colliery all are to provide high-pressure emulsion to come work by the emulsion power pack that is configured on the working surface at present, and therefore, emulsion pump and pumping plant are the power sources of the whole support system in colliery.According to incompletely statistics, the annual requirement of the hydraulic prop that uses under national coal mine at present all is more than millions of, the actual support apparatus total amount of using of underground work face surpasses ten million root, and, along with the fast development of coal industry, hydraulic pressure bores, adopting mechanical needed hydraulic power supply will be increasing.
But existing emulsion pump and pumping plant also all are outmoded conventional constructions, still at horizontal crank---the one-sided multi plungerpump of linkage mechanism that adopts the gear reduction transmission.This pump product on the one hand low, complex structure, cost of production height of working speed, product performance are poor, efficient is low; On the other hand, not only there is the price height in product, and user's utilization and operation cost is also higher relatively.Its structure is shown in Fig. 1 (this figure is the sectional structure chart of a plunger of prior art pump): it comprises pump housing 1a, plunger 5a and pump head 7a, and inner chamber 10a is located at pump housing 1a one side, is provided with bent axle 2a in this chamber.Bent axle 2a goes up and according to plunger quantity (for example treble ram pump) some connecting rod 3a is set respectively, every plunger be arranged on the perpendicular slideway 11a of bent axle 2a in, the slide block 4a hinged with connecting rod 3a stretches among the slideway 11a, slide block 4a front end and plunger 5a one end link, the other end of plunger 5a stretches in the compression chamber 9a of pump head 7a, be respectively equipped with liquid sucting valve 8a, liquid discharging valve 6a on the chamber wall of compression chamber 9a, the liquid entering hole of liquid sucting valve 8a communicates with the liquid storage chamber 12a of the pump housing, and liquid storage chamber 12a communicates with emulsion box by pipeline.Liquid discharging valve 6a communicates with liquid-supplying system through pipeline.During work, bent axle 2a drivening rod 3a makes slide block 4a carry plunger 5a and does reciprocating linear motion in slideway 11a, causes compression chamber 9a volume to change, thereby replaces folding by liquid sucting valve 8a, liquid discharging valve 6a, finishes suction, discharge opeing working procedure.
Summary of the invention
For overcoming above shortcomings in the prior art, the utility model aims to provide a kind of colliery emulsion pump with novel transmission mechanism, compared with prior art, during this pump preparation multicolumn plug, plunger can be realized the bilateral symmetric arrangement easily, make this pump have on the one hand the working speed height, simple in structure, cost of production is low, good product performance, advantage that efficient is high; On the other hand, product not only cost of production is low, and user's utilization and operation cost compared with prior art also greatly reduces.
For achieving the above object, the utility model has adopted following technological scheme:
This colliery comprises the pump housing with the emulsified liquid pump structure, this colliery comprises the pump housing with the emulsified liquid pump structure, has the inner chamber that holds main shaft in the pump housing, some plungers split with the perpendicular slideway of inner chamber in, it is characterized in that: main shaft is an eccentric shaft on the central symmetry axes that is placed in the pump housing, and plunger is distributed in the slideway of the eccentric shaft left and right sides; Eccentric shaft is provided with the eccentric journal that is complementary with a lateral column plug number, and plunger is provided with the retracting spring that makes plunger one end be close to the eccentric journal cambered surface all the time, and the revolution of eccentric journal can make plunger do reciprocating linear motion in slideway.
Described colliery emulsion pump, it is characterized in that: the end that every plunger and eccentric journal offset is provided with a guide pillar, between guide pillar inwall and plunger outer wall retracting spring is set, the shape at guide pillar top is protruding sphere, and this protruding sphere is close to the eccentric journal cambered surface mutually through piston shoes.
Described colliery emulsion pump is characterized in that: the chute wall of guide pillar periphery is provided with a guide pin bushing.
Beneficial effect: behind the alternative connecting rod main shaft of eccentric journal main shaft, not only make main shaft structure more simple, reduced cost of production, and, two plungers did reciprocating linear motion about the revolution of an eccentric journal can drive, realized the purpose that symmetry properties is arranged plunger easily, moreover, can also omit reduction gears mechanism between main shaft and the line shaft, and the transmission of employing direct connection, therefore, the eccentric journal main shaft has lot of advantages: the main shaft of same diameter can provide power for more plunger, symmetry properties arranges that plunger has reduced the operational shock of the pump housing, working speed and efficient height.
For further understanding the utility model content, elaborate by embodiment below in conjunction with accompanying drawing
Description of drawings
Fig. 1 is the sectional structure schematic representation of a plunger of prior art mesohigh plunger pump.
Fig. 2 is the broken section structural representation of an embodiment's of the utility model a plunger.
Fig. 3 is the plan structure schematic representation of Fig. 2.
Embodiment
Sequence number is represented respectively among the figure: pump housing 1a, bent axle 2a, connecting rod 3a, slide block 4a, plunger 5a, liquid discharging valve 6a, pump head 7a, liquid sucting valve 8a, compression chamber 9a, inner chamber 10a, slideway 11a, liquid storage chamber 12a.Liquid discharging valve 10, pump head 20, drainage valve 201, liquid discharging valve extremely block up 202, draining connector 203, safety valve joint 204, the pump housing 30, venting screw plug 40, plunger body 50, guide pin bushing 501, guide pillar 502, piston shoes 503, retracting spring 504, liquid entering hole 601, valve 602, eccentric shaft 70, eccentric journal 701 are carried out in unloading.
The pump set product comprises that component such as anti-explosion motor, coupling, pump main frame, pump group chassis, safety valve and connecting pipeline constitute, and the pump main frame is that eccentric shaft 70 of the present utility model links by coupling and anti-explosion motor axle.
Referring to Fig. 2, and in conjunction with Fig. 3 (Fig. 2, Fig. 3 are example with six plunger pumps), the utility model is made of the pump housing 30 parts, plunger part and pump head parts three parts, and plunger part and pump head parts are connected on the pump housing 30 by connecting bolt.
Have in the pump housing 30 and hold the inner chamber that main shaft is an eccentric shaft 70, six roots of sensation plunger split with the perpendicular slideway of inner chamber in, eccentric shaft 70 is placed on the central symmetry axes of the pump housing 30, six roots of sensation plunger is distributed in the slideway of eccentric shaft 70 left and right sides; Eccentric shaft 70 is provided with three eccentric journals 701, three eccentric journals 701 are mutually 120 ° of layouts that interlace and (are arranged as principle with equal angles, actual angle is decided on the plunger number), plunger is provided with the retracting spring 504 that makes plunger one end be close to eccentric journal 701 cambered surfaces all the time, and the revolution of eccentric journal 701 can make plunger do reciprocating linear motion in slideway.
The end that every plunger and eccentric journal 701 offset is provided with a guide pillar 502, between guide pillar 502 inwalls and plunger outer wall retracting spring 504 is set, the shape at guide pillar 502 tops is protruding sphere, and this protruding sphere is close to the cambered surface cambered surface of eccentric journal 701 mutually through piston shoes 503.
The chute wall of guide pillar 502 peripheries is provided with a guide pin bushing 501, and the purpose of guide pin bushing 501 mainly increases wear-resisting property.
During work, eccentric shaft 70 rotates and makes eccentric journal 701 drive piston shoes 503, guide pillar 502 and plunger generation to-and-fro motion, makes the interior working procedure by liquid sucting valve 201, liquid discharging valve 10 realization imbibitions and discharge opeing of compression chamber of pump head, externally exports high-pressure emulsion.The pump main frame of this symmetrical balance structure, stress equalization, running steadily, designs simplification is greatly optimized mechanism's mechanical property of complete machine, embodies a concentrated reflection of the pump main frame and vibrate minimumly under the high speed operation condition, noise is lower, it is more reliable to work.The plunger backhaul is to rely on the elastic force of retracting spring 504 to realize that spring force is that piston shoes 504 are close on the cambered surface of eccentric journal 701 all the time.It is worthy of note, adopted cam piston shoes driving mechanism, improved than the machinery driving efficiency that adopts bent axle, connecting rod, slide block driving mechanism, also can be better to the counterbalance effect of to-and-fro motion inertial force.Under the prerequisite that does not improve plunger motion speed, allow the speed up operation of pump main frame, allow the employing direct connection transmission of pump main frame and needn't adopt the gear reduction transmission again, like this, more help improving the transmission efficiency of pump.And from the angle of high-pressure pulsating feed flow, the pressure surge meeting of the external feed flow of multi plungerpump is littler, makes feed flow more steady, helps improving the usability of high-pressure service pump.
Claims (3)
1. a colliery comprises the pump housing (30) with the emulsified liquid pump structure, the pump housing has the inner chamber that holds main shaft in (30), some plungers split with the perpendicular slideway of inner chamber in, it is characterized in that: main shaft is an eccentric shaft (70) on the central symmetry axes that is placed in the pump housing (30), and plunger is distributed in the slideway of eccentric shaft (70) left and right sides; Eccentric shaft (70) is provided with the eccentric journal (701) that is complementary with a lateral column plug number, plunger is provided with the retracting spring (504) that makes plunger one end be close to eccentric journal (701) cambered surface all the time, and the revolution of eccentric journal (701) can make plunger do reciprocating linear motion in slideway.
2. colliery as claimed in claim 1 emulsion pump, it is characterized in that: the end that every plunger and eccentric journal (701) offset is provided with a guide pillar (502), retracting spring (504) is set between guide pillar (502) inwall and plunger outer wall, the shape at guide pillar (502) top is protruding sphere, and this protruding sphere is close to eccentric journal (701) cambered surface mutually through piston shoes (503).
3. colliery as claimed in claim 2 emulsion pump is characterized in that: the peripheral chute wall of guide pillar (502) is provided with a guide pin bushing (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201115741U CN201080900Y (en) | 2007-07-04 | 2007-07-04 | Emulsion pump for coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201115741U CN201080900Y (en) | 2007-07-04 | 2007-07-04 | Emulsion pump for coal mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201080900Y true CN201080900Y (en) | 2008-07-02 |
Family
ID=39614573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201115741U Expired - Fee Related CN201080900Y (en) | 2007-07-04 | 2007-07-04 | Emulsion pump for coal mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201080900Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562567A (en) * | 2012-01-20 | 2012-07-11 | 哈尔滨工业大学 | Device for measuring leakage of barrel and plunger assembly in plunger pump |
| CN105649908A (en) * | 2014-11-28 | 2016-06-08 | 北京创新通恒科技有限公司 | Multi-pump-head radial plunger pump |
-
2007
- 2007-07-04 CN CNU2007201115741U patent/CN201080900Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102562567A (en) * | 2012-01-20 | 2012-07-11 | 哈尔滨工业大学 | Device for measuring leakage of barrel and plunger assembly in plunger pump |
| CN105649908A (en) * | 2014-11-28 | 2016-06-08 | 北京创新通恒科技有限公司 | Multi-pump-head radial plunger pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG QUZHOU GENERAL COAL MINE MACHINERY FACTOR Free format text: FORMER NAME: ZHEJIANG QUZHOU COAL MINE MACHINERY PLANT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 324000 Donggang Industrial Park, Quzhou, Zhejiang Patentee after: ZHEJIANG QUZHOU GENERAL COAL MINE MACHINERY FACTORY CO., LTD. Address before: 324000 Donggang Industrial Park, Zhejiang, Quzhou Patentee before: Zhejiang Quzhou Coal Mine Machinery Plant Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080702 Termination date: 20150704 |
|
| EXPY | Termination of patent right or utility model |