CN102364102A - Sand pump driving head - Google Patents
Sand pump driving head Download PDFInfo
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- CN102364102A CN102364102A CN2011103485710A CN201110348571A CN102364102A CN 102364102 A CN102364102 A CN 102364102A CN 2011103485710 A CN2011103485710 A CN 2011103485710A CN 201110348571 A CN201110348571 A CN 201110348571A CN 102364102 A CN102364102 A CN 102364102A
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- gear
- support block
- driving head
- main shaft
- sand pump
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Abstract
The invention discloses a sand pump driving head (100), which comprises a shell (102) and a main shaft (118), wherein the shell (102) comprises a body (104), a lower supporting block (106), a base plate (108) and an upper supporting block (110); a hydraulic pump chamber (138) is formed at the bottom of the body (104); a first gear (140) and a second gear (142) are accommodated in the hydraulic pump chamber (138); the first gear (140) is fixedly connected to the main shaft (118); the second gear (142) is driven by the first gear (140); an oil tank (144) is arranged on the tops of the first gear (140) and the second gear (142). The sand pump driving head has a simple structure and is convenient to operate; furthermore, aging and corrosion of a sealing piece can be avoided, and the sealing property of the sealing piece is improved.
Description
Technical field
The present invention relates to the field of oil well sand pump, relate in particular to a kind of sand pump driving head.
Background technique
Referring to shown in Figure 1, shown the most frequently used oil well sand pump that is applied on the oil well 10, it has shell 12, volute pump 14, outer tube 18, sucker rod 22 and driving head 26; Volute pump 14 has stator 16 and rotor 20; This stator 16 is connected in this outer tube 18, and this rotor 20 is connected in this sucker rod 22, and these outer tube 18 ends are connected in tube connector 24; The sand pump top is equipped with this driving head 26; This sucker rod 22 connects a polished rod 28 at the downside of tube connector 24, and this polished rod 28 is stretched out from this driving head 26, and this driving head 26 is connected to motor 30 through rotating band 32.
In operation, motor 30 drives driving head 26, thereby rotates the rotor 20 of volute pump 14 through polished rod 28 and sucker rod 22.
Referring to Fig. 2, shown the phantom of driving head 26 of the prior art, this driving head 26 comprises housing 40 and main shaft 42; These main shaft 42 vertical extent are in the whole height of housing 40; This main shaft 42 supports through bearing 44 and 46, and drives through bevel gear 48 and 50, and the bottom 52 of this main shaft 42 is provided with cam clutch 54; Be connected in hydraulic rotating vane pump 56 during these cam clutch 54 engagements, this main shaft 42 is through sealing between last Sealing 58 and lower seal 60 and the housing 40.
In operation, this driving head 26 passes to main shaft 42 from motor 30 through bevel gear 48 and 50 with power.In closing closed procedure, the tensioning state energy down that is stored in sucker rod 22 and fluid head will cause reverse.In case occur reversing, these cam clutch 54 engagements limit the reverse of main shaft 42 thus to connect main shaft 42 and hydraulic rotating vane pump 56 through this hydraulic rotating vane pump 56, and such design is widely used in industry.Yet, under the influence of environment, even clutch is in proper working order; The main shaft that reverses will cause the generation of a large amount of heats in the friction of Yahoo's vane pump 56, the lubricant oil liquid level of driving head probably is positioned at the middle part of gear 48, therefore; Lower seal 60 between housing 40 and the main shaft 42 is positioned under the pasta fully, will cause its quick aging and corrosion like this, finally causes leakage; Bring follow-up maintenance and replacing thus, caused the maintenance cost raising, manufacturing efficiency is low.
For this reason, artificer of the present invention is because above-mentioned defective through concentrating on studies and designing, comprehensively is engaged in for a long time the experience and the achievement of related industry for many years, and research and design goes out a kind of sand pump driving head, to overcome above-mentioned defective.
Summary of the invention
The object of the present invention is to provide a kind of sand pump driving head, it is simple in structure, and is easy to operate, has avoided the aging and corrosion of Sealing, has improved sealability.
For realizing above-mentioned purpose, the invention discloses a kind of sand pump driving head, this sand pump driving head comprises housing and main shaft, and this housing comprises body, following support block, base plate and last support block, it is characterized in that:
The bottom of this body comprises a hydraulic pressure pump chamber; Indoor one first gear and one second gear of holding of this oil hydraulic pump; This first gear is fixed on the main shaft, and this second gear is by this first gear drive, and body is provided with fuel tank on the top of this gear and this second gear;
Indoor at oil hydraulic pump, between this first gear and second gear, be provided with a suction port, this suction port is connected in oil hydraulic circuit; This oil hydraulic circuit comprises by this hydraulic pressure pump chamber, first gear, second gear and the formed oil hydraulic pump of suction port; Flow dontroller and fuel tank connect through pipeline between each constituent element, wherein; The hydraulic pressure pump intake directly connects fuel tank, and the opposite side of oil hydraulic pump is communicated with fuel tank through flow dontroller.
Wherein, this oil hydraulic circuit also comprises the solenoid valve between flow dontroller and fuel tank.
Wherein, Following support block is arranged at the body downside and bottom opening is covered by base plate; Last support block is arranged at the upside of body, and main shaft stretches out from last support block, and upper bearing (metal), middle (center) bearing and lower bearing carry out rotary supporting to main shaft respectively in last support block, body and following support block.
Wherein, this main shaft comprises external torque pipe and lining pipe, and this torque tube and lining pipe stretch out certain-length to hold a V-type belt wheel from the last support block of housing.
Wherein, One lower seal is arranged between the bearing bracket and standpipe of lower bearing; Sealing is arranged between the bottom and external torque pipe of support block on one first, and Sealing is arranged between the top and external torque pipe of support block on one second, and this upper bearing (metal) is the roller bearing of grease lubrication.
Wherein, the top of this main shaft is connected with a polished rod.
Through said structure, the present invention has following technique effect:
1, utilizes gear transmission, power output is provided on the one hand, when reversing, driven the circulation of oil stream on the one hand, avoided the overheated of oily temperature, prevented the corrosion of Sealing and aging, reduced maintenance cost and repair and replacement speed;
2, through the adjustable component on the oil hydraulic circuit, not only increased restriction to reversing, also can according to circumstances carry out real-time regulated simultaneously;
3, improved sealing effect through many seal elements, be convenient to store and transportation.
The present invention will further describe in detail through following specific embodiment, and further combine will obtain knowing more and significantly understanding to the explanation of accompanying drawing.
Description of drawings
Fig. 1 has shown the sand pump schematic representation that is used for oil well in the existing technology.
Fig. 2 has shown the phantom of the sand pump driving head of existing technology.
Fig. 3 has shown the sectional view of sand pump driving head of the present invention.
Fig. 4 has shown among Fig. 3 the sectional view along I-I.
Fig. 5 has shown the hydraulic circuit diagram of sand pump driving head of the present invention.
Embodiment
Referring to Fig. 3; The sectional view that has shown sand pump driving head of the present invention; This sand pump driving head 100 comprises housing 102 and main shaft 118; This housing 102 comprises body 104, following support block 106, base plate 108 and last support block 110, and following support block 106 is arranged at body 104 downsides and bottom opening is covered by base plate 108, and last support block 110 is arranged at the upside of body 104; Main shaft 118 stretches out from last support block 110; Upper bearing (metal) 112, middle (center) bearing 114 and lower bearing 116 carry out rotary supporting to main shaft 118 respectively in last support block 110, body 104 and following support block, this main shaft 118 comprises external torque pipe 120 and lining pipe 122, and this torque tube 120 and lining pipe 122 stretch out certain-length 124 to hold a V-type belt wheel from the last support block 110 of housing 102.Be formed with the tubulose gap 126 of whole housing 102 length of basic extension between this torque tube 120 and the lining pipe 122, in this tubulose gap 126, standpipe 128 be installed.
Wherein, One lower seal 132 is arranged between the bearing bracket and standpipe 128 of lower bearing 116, and Sealing 134 is arranged between the bottom and external torque pipe 120 of support block 110 on one first, can store and effective seal housing and main shaft during transportation like this; Preferably; Sealing 136 is arranged between the top and external torque pipe 120 of support block 110 on one second, has avoided the moist and pollution of upper bearing (metal) 112 thus, and this upper bearing (metal) 112 is preferably the roller bearing of grease lubrication.
Wherein, The bottom of this body 104 comprises a hydraulic pressure pump chamber 138; Hold one first gear 140 and one second gear 142 in this hydraulic pressure pump chamber 138, this first gear 140 is fixed on the outer torque tube 12 of main shaft 118, preferably connects fixing through key; This second gear 142 is driven by this first gear 140, and body 104 is provided with fuel tank 144 on the top of this gear 140 and this second gear 142.
The top of this main shaft 118 is connected with above-mentioned polished rod 28.
Referring to Fig. 4, shown the sectional view of I-I among Fig. 3, in hydraulic pressure pump chamber 138; Between this first gear 140 and second gear 142, be provided with a suction port 148, this suction port 148 is connected in oil hydraulic circuit shown in Figure 5, and this oil hydraulic circuit includes this hydraulic pressure pump chamber 138, first gear 140, second gear 142 and suction port 148 formed oil hydraulic pumps 150; Flow dontroller 152; Solenoid valve 154 and fuel tank 144 connect through pipeline 156 between each constituent element, wherein; The suction port 148 of oil hydraulic pump 150 directly connects fuel tank, and the opposite side of oil hydraulic pump 150 is communicated with fuel tank through flow dontroller 152 and solenoid valve 154.
In operation, when sand pump carries out work, main shaft 118 turns clockwise; Oil can not suck through suction port 148 from fuel tank 144; Oil hydraulic circuit is in closed state, and is inoperative when the sand pump proper functioning, thus; The rotation under low state of wear of first gear 140 and second gear 142 has reduced wearing and tearing and energy loss; And when sand pump cuts out, reverse by oil hydraulic pump 150 restrictions, in rotating counterclockwise process; Oil hydraulic pump 150 is started working, and oil is inhaled into mouth 148 and sucks from fuel tank, and oil hydraulic circuit is in running order; Wherein flow dontroller 152 can be regulated the fluid flow in the oil hydraulic circuit, limits the rotational speed of first gear 140 and second gear 142 thus, because first gear 140 is fixed on the external torque pipe 120 of main shaft 118; Therefore, can effectively regulate the rotational speed of main shaft 118.And another loop element, solenoid valve 154 is then by the Temperature Detector control that is arranged in the body 102.In case the oily temperature rise in the body 102, the passage of 154 augmented flows of solenoid valve further provides adjusting with this, to avoid the overheated of oil temperature.
This shows that driving head of the present invention has the following advantages:
1, utilizes gear transmission, power output is provided on the one hand, when reversing, driven the circulation of oil stream on the one hand, avoided the overheated of oily temperature, prevented the corrosion of Sealing and aging, reduced maintenance cost and repair and replacement speed;
2, through the adjustable component on the oil hydraulic circuit, not only increased restriction to reversing, also can according to circumstances carry out real-time regulated simultaneously;
3, improved sealing effect through many seal elements, be convenient to store and transportation.
It is obvious that, and above description and record only are for example rather than in order to limit disclosure of the present invention, application or use.Though described and be described in the drawings embodiment in an embodiment; But the optimal mode that the present invention does not limit by the accompanying drawing example and the conduct of describing is in an embodiment thought at present is with the specific examples of the instruction of embodiment of the present invention, and scope of the present invention will comprise any embodiment of the specification that falls into the front and appended claim.
Claims (6)
1. sand pump driving head, this sand pump driving head (100) comprises housing (102) and main shaft (118), and this housing (102) comprises body (104), support block (106), base plate (108) and last support block (110) down, it is characterized in that:
The bottom of this body (104) comprises a hydraulic pressure pump chamber (138); Hold one first gear (140) and one second gear (142) in this hydraulic pressure pump chamber (138); This first gear (140) is fixed on the main shaft (118); This second gear (142) is driven by this first gear (140), and body (104) is provided with fuel tank (144) on the top of this gear (140) and this second gear (142);
In hydraulic pressure pump chamber (138); Be positioned between this first gear (140) and second gear (142) and be provided with a suction port (148); This suction port (148) is connected in oil hydraulic circuit, and this oil hydraulic circuit comprises by this hydraulic pressure pump chamber (138), first gear (140), second gear (142)) and the formed oil hydraulic pump of suction port (148) (150), flow dontroller (152) and fuel tank (144); Connect through pipeline (156) between each constituent element; Wherein, the suction port (148) of oil hydraulic pump (150) directly connects fuel tank, and the opposite side of oil hydraulic pump (150) is communicated with fuel tank (144) through flow dontroller (152).
2. sand pump driving head as claimed in claim 1 is characterized in that, this oil hydraulic circuit also comprises the solenoid valve (154) that is positioned between flow dontroller (152) and the fuel tank (144).
3. according to claim 1 or claim 2 sand pump driving head; It is characterized in that; Following support block (106) is arranged at body (104) downside and bottom opening is covered by base plate (108); Last support block (110) is arranged at the upside of body (104), and main shaft (118) stretches out from last support block (110), and upper bearing (metal) (112), middle (center) bearing (114) and lower bearing (116) carry out rotary supporting to main shaft (118) respectively in last support block (110), body (104) and following support block (106).
4. sand pump driving head as claimed in claim 3; It is characterized in that; This main shaft (118) comprises external torque pipe (120) and lining pipe (122), and this torque tube (120) and lining pipe (122) stretch out certain-length (124) to hold a V-type belt wheel from the last support block (110) of housing (102).
5. sand pump driving head as claimed in claim 4; It is characterized in that; One lower seal (132) is arranged between the bearing bracket and standpipe (128) of lower bearing (116); Sealing on one first (134) is arranged between the bottom and external torque pipe (120) of support block (110), and Sealing (136) is arranged between the top and external torque pipe (120) of support block (110) on one second, and this upper bearing (metal) (112) is the roller bearing of grease lubrication.
6. sand pump driving head as claimed in claim 1 is characterized in that, the top of this main shaft (118) is connected with a polished rod (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103485710A CN102364102A (en) | 2011-11-07 | 2011-11-07 | Sand pump driving head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103485710A CN102364102A (en) | 2011-11-07 | 2011-11-07 | Sand pump driving head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102364102A true CN102364102A (en) | 2012-02-29 |
Family
ID=45690686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011103485710A Pending CN102364102A (en) | 2011-11-07 | 2011-11-07 | Sand pump driving head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102364102A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6113355A (en) * | 1996-10-10 | 2000-09-05 | Weatherford Holding U.S., Inc. | Pump drive head pump assembly with a hydraulic pump circuit for preventing back-spin when the drive head has been shut off |
| CA2311214A1 (en) * | 2000-06-09 | 2001-12-09 | Eduard Grenke | Pump brake system with interchangeable drive force |
| CN201025257Y (en) * | 2007-02-01 | 2008-02-20 | 沈阳赛沃科技发展有限公司 | Fully automatic hydraulic pressure and reverse rotation prevention device |
-
2011
- 2011-11-07 CN CN2011103485710A patent/CN102364102A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6113355A (en) * | 1996-10-10 | 2000-09-05 | Weatherford Holding U.S., Inc. | Pump drive head pump assembly with a hydraulic pump circuit for preventing back-spin when the drive head has been shut off |
| CA2311214A1 (en) * | 2000-06-09 | 2001-12-09 | Eduard Grenke | Pump brake system with interchangeable drive force |
| CN201025257Y (en) * | 2007-02-01 | 2008-02-20 | 沈阳赛沃科技发展有限公司 | Fully automatic hydraulic pressure and reverse rotation prevention device |
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| C06 | Publication | ||
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Application publication date: 20120229 |