CN113958680A - Emulsion pump station based on symmetrical external hanging herringbone gear transmission - Google Patents
Emulsion pump station based on symmetrical external hanging herringbone gear transmission Download PDFInfo
- Publication number
- CN113958680A CN113958680A CN202111247695.XA CN202111247695A CN113958680A CN 113958680 A CN113958680 A CN 113958680A CN 202111247695 A CN202111247695 A CN 202111247695A CN 113958680 A CN113958680 A CN 113958680A
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- gear
- crankshaft
- pump station
- herringbone
- cavity
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 42
- 239000000839 emulsion Substances 0.000 title claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 abstract description 7
- 239000003245 coal Substances 0.000 description 9
- 238000005065 mining Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/02—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/12—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types
- F16H37/124—Gearings comprising primarily toothed or friction gearing, links or levers, and cams, or members of at least two of these types for interconverting rotary motion and reciprocating motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/17—Toothed wheels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/038—Gearboxes for accommodating bevel gears
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reciprocating Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
The invention discloses an emulsion pump station based on symmetrical externally-hung herringbone gear transmission, which comprises a box body, wherein a power shaft, a gear pair, a crankshaft, a connecting rod, a sliding block and a plunger which are sequentially linked are arranged in the box body; the box body is of a three-cavity structure, the power shaft and the crankshaft are arranged in the middle cavity in a penetrating mode, and two ends of the power shaft and the crankshaft extend into the gear cavity and are in transmission connection through the gear pair; the gear pair is two groups of bevel gear sets with the same spiral angle and the opposite spiral angles, and a herringbone gear transmission structure is formed; the crankshaft is a multi-point support structure. The invention adopts the herringbone gear transmission structure with the outer hanging at the two ends, thereby not only solving the problem of the axial force of the bevel gear transmission, but also solving the problems of high processing precision and complex assembly of the traditional inner herringbone gear transmission; the herringbone large gear is externally hung, so that an integrally split box body can be avoided, and the structure of the whole emulsion pump station is further simplified; in addition, the three-cavity box body is combined with multi-point support, crankshaft stress is optimized, the crankshaft and the box body are further optimized, and the size is more compact.
Description
Technical Field
The invention relates to the technical field of mechanical engineering hydraulic pressure, in particular to an emulsion pump station based on symmetrical externally-hung herringbone gear transmission.
Background
The emulsion pump station is a necessary device of the comprehensive mechanized coal mining working face of the coal mine, is a power source of a working face hydraulic support, adopts a horizontal three-cylinder or horizontal five-cylinder overall structure, and drives components such as a crankshaft, a connecting rod, a slide block, a plunger piston and the like to move through primary gear transmission, so that mechanical energy is converted into hydraulic energy.
The application of the emulsion pump station is originated in western countries such as England, Germany and the like in the 50 th century, and China is imported and applied in the 70 th century and gradually realizes the localization. The early mining plunger pump adopts a straight-tooth cylindrical gear structure at home and abroad because the transmission power is not very high. Along with the great improvement of the mining intensity and efficiency of the coal mine working face, the power of the mining plunger pump is also greatly improved, and is improved from dozens of kilowatts to hundreds of kilowatts. In order to improve the transmission capability of the gear and reduce noise and vibration, manufacturers generally adopt a helical gear structure, and some import pump stations further adopt a herringbone gear transmission structure so as to eliminate the axial force of the helical gear.
However, the structural forms of the imported pump stations are limited by the manufacturing level and the process level of the domestic basic industry and industry, and the problems that the structural forms of the imported pump stations are copied domestically are found, so that the requirement on the processing precision is high, the assembly process is complex, the subsequent overhaul and maintenance are inconvenient, the manufacturing cost is high, and the using effect is far from the abroad. In addition, the domestic coal mining process, the coal mining intensity and the mode of the coal mining process are far beyond the national level developed abroad, and the imported pump station can not meet the domestic coal mining requirement.
Based on the above, the applicant provides a new idea to develop an emulsion pump station with low processing and assembling difficulty, reasonable structure and size and good gear transmission capability.
Disclosure of Invention
In order to overcome the defects of gear transmission in the conventional emulsion pump station and improve the transmission performance of the pump station, the invention provides an emulsion pump station based on symmetrical externally-hung herringbone gear transmission.
The technical scheme adopted by the invention is as follows: an emulsion pump station based on symmetrical externally-hung herringbone gear transmission comprises a box body, wherein a power shaft, a gear pair, a crankshaft, a connecting rod, a sliding block and a plunger which are sequentially linked are arranged in the box body; the box body is of a three-cavity structure and comprises a middle cavity and gear cavities on two sides; the power shaft and the crankshaft are arranged in the middle cavity in a penetrating mode, and two ends of the power shaft and the crankshaft extend into the gear cavity and are in transmission connection through the gear pair; the gear pairs in the two gear chambers are two groups of bevel gear sets with the same spiral angle and opposite directions, and the two groups of bevel gear sets form a herringbone gear transmission structure; the crankshaft is of a multi-point supporting structure, and end supporting points are arranged on the cavity wall of the middle cavity.
Preferably, the gear pairs in the two gear chambers are two groups of bevel gear sets with equal spiral angles and opposite directions, and the two groups of bevel gear sets form a herringbone gear transmission structure.
Preferably, the two gear chambers and the two gear pairs are symmetrically arranged on two sides of the middle chamber, and the power input end of the power shaft can be replaced left and right in the box body.
Preferably, the power shaft is a gear shaft.
Preferably, the outer side cavity wall of the gear cavity is of a detachable box cover structure.
Preferably, the pump station is horizontal, and the horizontal position of the power shaft is lower than that of the crankshaft.
Preferably, the middle chamber is communicated with the lower parts of the gear chambers on the two sides.
The invention has the following beneficial effects:
1. the problem of axial force of helical gear transmission is solved by adopting a herringbone gear transmission structure with two externally hung ends;
2. the herringbone gear transmission is realized by the left and right groups of helical gears with the same helical angle and opposite helical angles, has the advantages of compact structure and low processing difficulty, and solves the problems of high processing precision and complex assembly of the traditional inner herringbone gear transmission;
3. the two groups of bevel gears are designed in a bilateral symmetry mode, so that the direction of the power input end of the power shaft can be adjusted, and the arrangement requirements of different left and right working faces of a coal mine can be met;
4. the herringbone gear large gear is externally hung, and compared with an inner herringbone gear structure, the integral split type box body can be avoided, so that the structure of the whole emulsion pump station is further simplified, and the processing and equipment process is more economic and reasonable;
5. the three-cavity box body is combined with multi-point support, so that the stress of the crankshaft is optimized, the crankshaft and the box body are further optimized, and the size is more compact;
6. the power shaft can be arranged at a lower position of the box body relative to the crankshaft, the cavity space below the box body is reasonably utilized, the overall height of a pump station can be reduced, and the power shaft is suitable for being used in narrow space under a coal mine.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention.
FIG. 2 is a schematic sectional view of A-A in the example of the present invention.
FIG. 3 is a schematic view of the K-direction rotation in the embodiment of the present invention.
FIG. 4 is a schematic diagram of the direction G in the embodiment of the present invention.
FIG. 5 is a schematic cross-sectional view A-A of another embodiment of the present invention.
The device comprises a box body 1, a power shaft 2, a gear pair 3, a crankshaft 4, a connecting rod 5, a slide block 6, a plunger 7, a middle chamber 101, a gear chamber 102 and a side end cover 103.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1 to 4, the present embodiment is a five-plunger and six-crankshaft supporting horizontal emulsion pump station, which is composed of a box 1 and a plurality of transmission components in the box, and the transmission components include a power shaft 2, a gear pair 3, a crankshaft 4, a connecting rod 5, a slider 6, and a plunger 7, which are linked in sequence.
Specifically, the power shaft 2 is arranged in the box body 1 through two bearings; the crankshaft 4 is arranged in the box body 1 in a full-supporting mode through six bearings; the power shaft 2 is a gear shaft and forms a gear pair 3 together with a gear on the crankshaft 4; the big end of the connecting rod 5 is arranged at the connecting rod neck of the crankshaft 4, and the small end of the connecting rod 5 is provided with a connecting rod bushing which is arranged on the sliding block 6; the slide block 6 is arranged in a slide way in the box body 1 and drives the plunger 7 to horizontally move along the cylinder sleeve.
As shown in fig. 1, the case 1 includes a middle chamber 101 and gear chambers 102 on both sides; the power shaft 2 and the crankshaft 4 are arranged in the middle cavity 101 in a penetrating mode, and two ends of the power shaft and the crankshaft both extend into the gear cavity 102 and are in transmission connection through the gear pair 3; the gear pairs 3 in the two gear chambers 102 are two groups of bevel gear sets with the same spiral angle and opposite directions, and the two groups of bevel gear sets form a herringbone gear transmission structure. The structure adopts a herringbone gear transmission structure, so that the problem of axial force of helical gear transmission is solved; and the herringbone gear transmission is realized by the left and right groups of helical gears with the same helical angle and the opposite helical angles, and the herringbone gear transmission has the advantages of compact structure and low processing difficulty.
As shown in fig. 1, two gear chambers 102 and two sets of gear pairs 3 are symmetrically arranged on two sides of the middle chamber 101, and the power input end of the power shaft 2 can be replaced left and right in the box body 1. Two sets of helical gears adopt bilateral symmetry design for the direction of power shaft 2 power input end is adjustable, can adapt to the arrangement demand of different working faces about the colliery. The two gear chambers 102 and the lower part of the middle chamber 101 communicate with each other to facilitate collection of the lubricating oil at the bottom of the transmission case 1.
As shown in fig. 1 and 4, the outer cavity wall of the gear cavity 102 is a detachable box cover structure, i.e., a side end cover 103 in the figure, which simplifies the structure of the box body 1 and facilitates the assembly and maintenance of the gear pair 3.
The second embodiment shown in fig. 5 is another five-plunger six-point crankshaft supported horizontal emulsion pump station, which is different from the first embodiment in that the horizontal position of the power shaft 2 is lower than that of the crankshaft 4. Certain height and space need be reserved to the below cavity in the box 1, firstly as lubricating system's the oil collecting space, secondly as maintenance and installation space, consequently sets up power shaft 2 in the position that is less than bent axle 4, can make full use of the below cavity in the body 1 to reduce the whole height of box 1, make it more be suitable for narrow space in the pit of colliery and use.
It should be understood that the above-described embodiments of the present invention are merely examples for illustrating the present invention, and are not intended to limit the embodiments of the present invention. Obvious variations or modifications of the present invention are possible within the spirit of the present invention.
Claims (7)
1. The utility model provides an emulsion pump station based on symmetry outer hanging herringbone gear drive, includes box (1), be equipped with power shaft (2), gear pair (3), bent axle (4), connecting rod (5), slider (6) and plunger (7) that link gradually in box (1), its characterized in that:
the box body (1) is of a three-cavity structure and comprises a middle cavity (101) and gear cavities (102) on two sides;
the power shaft (2) and the crankshaft (4) are arranged in the middle cavity (101) in a penetrating mode, and two ends of the power shaft and the crankshaft both extend into the gear cavity (102) and are in transmission connection through the gear pair (3);
the gear pairs (3) in the two gear chambers (102) are two groups of bevel gear sets with the same spiral angle and opposite directions, and the two groups of bevel gear sets form a herringbone gear transmission structure;
the crankshaft (4) is of a multi-point supporting structure, and end supporting points are arranged on the cavity wall of the middle cavity (101).
2. The emulsion pump station based on the symmetrical externally hung herringbone gear transmission according to claim 1, wherein two gear chambers (102) and two groups of gear pairs (3) are symmetrically arranged on two sides of the middle chamber (101), and the position of the power input end of the power shaft (2) in the box body (1) can be replaced left and right.
3. The emulsion pump station based on the symmetrical external hanging herringbone gear transmission of claim 1, wherein the power shaft (2) is a gear shaft.
4. The emulsion pump station based on the symmetrical external hanging herringbone gear transmission according to the claim 1, characterized in that a supporting point of the power shaft (2) and the crankshaft (4) is arranged on the cavity wall of the middle chamber (101).
5. The emulsion pump station based on the symmetrical external hanging herringbone gear transmission of claim 1, wherein the outer side cavity wall of the gear cavity (102) is of a detachable box cover structure.
6. The emulsion pump station based on the symmetrical external hanging herringbone gear transmission according to claim 1, is a horizontal pump station, and the horizontal position of the power shaft (2) is lower than that of the crankshaft (4).
7. The emulsion pump station based on symmetrical external hanging herringbone gear transmission of claim 1, wherein the middle chamber (101) and the gear chambers (102) on two sides
Are communicated with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111247695.XA CN113958680A (en) | 2021-10-26 | 2021-10-26 | Emulsion pump station based on symmetrical external hanging herringbone gear transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111247695.XA CN113958680A (en) | 2021-10-26 | 2021-10-26 | Emulsion pump station based on symmetrical external hanging herringbone gear transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113958680A true CN113958680A (en) | 2022-01-21 |
Family
ID=79467160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111247695.XA Pending CN113958680A (en) | 2021-10-26 | 2021-10-26 | Emulsion pump station based on symmetrical external hanging herringbone gear transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113958680A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1538066A (en) * | 2003-10-23 | 2004-10-20 | 浙江大学 | Emulsified liquid pump having five-plunger four-bearing structure |
| CN2898367Y (en) * | 2006-02-15 | 2007-05-09 | 中国矿业大学 | Forced lubricating emulsion liquid pump with five-ram and three-bearing |
| US20080070734A1 (en) * | 2006-09-14 | 2008-03-20 | Zf Friedrichshafen Ag | Hydrostatic-mechanical transmission |
| CN204024943U (en) * | 2014-08-06 | 2014-12-17 | 何有山 | The gear-driven mining plunger pump of lineup's word |
| CN105276122A (en) * | 2015-09-24 | 2016-01-27 | 北京天地玛珂电液控制***有限公司 | Five-plunger emulsion pump |
| CN205479139U (en) * | 2016-01-28 | 2016-08-17 | 中原特种车辆有限公司 | Plunger pump joins externally gear box |
| CN108167174A (en) * | 2017-12-04 | 2018-06-15 | 北京天地玛珂电液控制***有限公司 | A kind of branched support emulsion pump |
| CN111441925A (en) * | 2020-04-03 | 2020-07-24 | 烟台杰瑞石油装备技术有限公司 | Light five-cylinder plunger pump |
| CN212429528U (en) * | 2020-06-16 | 2021-01-29 | 神华神东煤炭集团有限责任公司 | Bearing bush for emulsion pump and emulsion pump thereof |
-
2021
- 2021-10-26 CN CN202111247695.XA patent/CN113958680A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1538066A (en) * | 2003-10-23 | 2004-10-20 | 浙江大学 | Emulsified liquid pump having five-plunger four-bearing structure |
| CN2898367Y (en) * | 2006-02-15 | 2007-05-09 | 中国矿业大学 | Forced lubricating emulsion liquid pump with five-ram and three-bearing |
| US20080070734A1 (en) * | 2006-09-14 | 2008-03-20 | Zf Friedrichshafen Ag | Hydrostatic-mechanical transmission |
| CN204024943U (en) * | 2014-08-06 | 2014-12-17 | 何有山 | The gear-driven mining plunger pump of lineup's word |
| CN105276122A (en) * | 2015-09-24 | 2016-01-27 | 北京天地玛珂电液控制***有限公司 | Five-plunger emulsion pump |
| CN205479139U (en) * | 2016-01-28 | 2016-08-17 | 中原特种车辆有限公司 | Plunger pump joins externally gear box |
| CN108167174A (en) * | 2017-12-04 | 2018-06-15 | 北京天地玛珂电液控制***有限公司 | A kind of branched support emulsion pump |
| CN111441925A (en) * | 2020-04-03 | 2020-07-24 | 烟台杰瑞石油装备技术有限公司 | Light five-cylinder plunger pump |
| CN212429528U (en) * | 2020-06-16 | 2021-01-29 | 神华神东煤炭集团有限责任公司 | Bearing bush for emulsion pump and emulsion pump thereof |
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