CN108654201B

CN108654201B - Filter equipment for oil development

Info

Publication number: CN108654201B
Application number: CN201810471916.3A
Authority: CN
Inventors: 肖怡
Original assignee: Wuhu Yangzhan New Material Technology Service Co Ltd
Current assignee: Henan Jiaoya Petroleum Machinery Co.,Ltd.
Priority date: 2018-07-18
Filing date: 2018-07-18
Publication date: 2020-09-18
Anticipated expiration: 2038-07-18
Also published as: CN108654201A

Abstract

The invention discloses a filtering device for oil exploitation, which structurally comprises: the sand filter comprises a sand filter body, a first oil outlet pipe, a second oil outlet pipe, a controller, a driving motor, a sand treatment box, a base and an upper cover, wherein the outer wall of the sand filter body is vertically fixed at the top of the first oil outlet pipe, the first oil outlet pipe is vertically arranged on the right side of the second oil outlet pipe, the rear end of the controller is fixed at the front end of the outer wall of the sand treatment box through a bolt, the lower end of the sand treatment box is welded on the upper surface of the base and is movably connected with the bottom end of the upper cover.

Description

Filter equipment for oil development

Technical Field

The invention relates to a filtering device for oil exploitation, belonging to the field of filtering devices.

Background

The petroleum plays a role in national economy and is an important energy source, compared with coal, the coal has the advantages of large energy density (the combustion heat of the oil with equal weight is 50 percent higher than that of standard coal), convenient transportation and storage, small pollution degree to the atmosphere after combustion and the like, fuel oil extracted from the petroleum is a main fuel of various kilns in transportation tools, power station boilers, metallurgical industry and building material industry, liquefied gas and pipeline gas which take the petroleum as raw materials are high-quality fuels applied to life of urban residents, and airplanes, tanks, naval vessels, rockets and other spacecrafts also consume a large amount of petroleum fuel, so that the petroleum is classified as strategic material in many countries.

However, in the prior art, oil can be mixed with a lot of sand and small stones during exploitation, which is easy to damage the inner wall of the pipeline and affect the service life of the equipment.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a filtering device for oil exploitation, which solves the problems that the inner wall of a pipeline is easily damaged and the service life of equipment is influenced because oil is mixed with a lot of sand and small stones in the exploitation.

In order to achieve the purpose, the invention is realized by the following technical scheme: a filtering device for oil exploitation structurally comprises: grit filter, first oil pipe, second oil pipe, controller, shock dynamo, grit processing case, base, upper cover, grit filter's outer wall vertical fixation is at the top of first oil pipe, first oil pipe is installed perpendicularly on the right side of second oil pipe, the front end at grit processing case outer wall is passed through the bolt fastening to the rear end of controller, the lower extreme welding of grit processing case is at the upper surface of base and with the bottom swing joint of upper cover, the inside of grit filter communicates with each other with the inner tube of second oil pipe, the controller passes through the wire and is connected with shock dynamo's terminal box electricity, grit filter is equipped with pump oil gear, oilstone separate frame, intermittent type gear, drive rack, synchronous gear, driving motor, spiral feeder, the top at the oilstone separate frame is installed to pump oil gear's outer wall level, oilstone separate frame's internal gear and intermittent type gear's outer wall clearance fit, the gear at the bottom of the intermittent gear is meshed with the gear on the right side of the driving toothed bar, the driving toothed bar is horizontally arranged on the right side of the synchronous gear and is movably connected with the synchronous gear, and the driving motor is vertically fixed on the left side of the synchronous gear and is mechanically connected with the screw feeder.

Furthermore, the oil pumping gear consists of an oil inlet pipe, a support, a gear, a small chain wheel and a chain, the oil inlet pipe and the support are provided with two gears which are fixed on the upper side and the lower side of the inner wall of the oil inlet pipe through bolts, the center of the gear and the center of the small chain wheel are positioned on the same axis, the small chain wheel is vertically welded at the front end of the outer wall of the intermittent gear and is in clearance fit with the inner wall of the chain, and the small chain wheel is horizontally fixed at the top end of the taper rod.

Further, the oilstone separation frame comprises a filter frame, a first belt wheel, a filter screen, an oil pipe, a synchronous belt and a second belt wheel, the front end of the filter frame is fixed at the rear end of the outer wall of the first belt wheel through bolts, the bottom end of the filter screen is welded around the filter frame, the internal thread at the top of the oil pipe is in clearance fit with the external thread at the bottom end of the filter frame, the outer wall of the first belt wheel is in clearance fit with the outer wall of the second belt wheel through the synchronous belt, and the filter frame is fixed on the left side of the intermittent gear and is mechanically connected with the intermittent gear.

Further, the intermittent type gear comprises input abnormal shape gear, pinion stand, driving arm, compound band pulley, output abnormal shape gear, input abnormal shape gear vertical fixation is in the axle center at pinion stand top, the front end of input abnormal shape gear and the rear end interference fit in driving arm axle center, the protruding recess swing joint with output abnormal shape gear of driving arm, the main shaft of compound band pulley is in same axle center with the main shaft of input abnormal shape gear, the gear on oilstone separation frame right side passes through the belt and is connected with output abnormal shape gear machinery.

Further, the drive ratch comprises taper rod, bearing frame, output gear, the center that the bearing was run through to the taper rod level, the bearing is equipped with two vertical welding in the left and right sides of bearing frame outer wall, the right side of bearing frame is passed through the bolt fastening on the right side of sandstone filtration ware inner wall, the insection of output gear front end and the straight-tooth intermeshing on taper rod right side, the right side and swing joint at synchronous gear are fixed to the taper rod.

Further, synchronizing gear comprises driven gear, vertical gear seat, second cam, transfer line, first cam, the taper rod left end of drive rack bar and driven gear's front end swing joint, driven gear passes through the bolt fastening and makes the upper end of vertical gear seat, the external tooth of second cam and driven gear's external tooth intermeshing, the loose axle of second cam front end passes through the transfer line and is connected with the loose axle machinery of first cam.

Further, the driving motor comprises a main motor, a junction box, a bevel gear, a straight toothed bar, a rotating shaft and a worm, wherein the outer wall of the main motor is vertically fixed on the right side of the junction box, the top of the bevel gear and a groove are welded at the bottom end of a main shaft of the main motor, the rotating shaft is arranged on the right side of the straight toothed bar and in interference fit with the groove of the bevel gear, the right side of the rotating shaft horizontally penetrates through the inner wall of the axis of the worm, and the junction box is electrically connected with a main board of the controller through a wire.

Further, the spiral feeder comprises a gear base, a power gear, a permeation tube, a rotating rod, a conveying spiral sheet, a shell and a top bearing, wherein the gear base is horizontally arranged at the bottom of the power gear and is parallel to each other, the rotating rod vertically penetrates through the center of the permeation tube, the outer wall of the rotating rod is welded at the center of the conveying spiral sheet, the conveying spiral sheet is fixed on the inner wall of the shell and is movably connected with the inner wall of the shell, and the top bearing is vertically arranged at the top end of the outer wall of the rotating rod.

Advantageous effects

The invention relates to a filtering device for oil exploitation, which treats the exploited oil through the inside of a sand filter, a first oil outlet pipe and a second oil outlet pipe respectively discharge the coarsely filtered oil and the precipitated oil, a sand treatment box collects the impurities in the oil, the impurities are discharged through a vibration motor at the bottom, a controller is provided with a plurality of keys for convenient control, the oil passes through an oil pumping gear of the sand filter, the oil is slowly pushed into an oil inlet pipe under the occlusion transmission of two gears and flows downwards through an opening at the left side of the oil inlet pipe, a filtering rack is provided with three baffles for controlling rotation through a gap gear, an input special-shaped gear drives an output special-shaped gear to rotate through a transmission arm in a certain period, the filtering rack is just positioned at the bottom of the oil inlet pipe for collecting the oil when the output special-shaped gear stops rotating, and separated sand is poured towards the left side when the filtering rack rotates, what drive clearance gear is the drive rack bar of bottom, cooperation through its inside taper rod and output gear, the power is connected with the driven gear on taper rod and synchronous gear top right side, output gear gives composite belt wheel and then makes input abnormal shape gear rotatory with power transmission, the second cam is connection drive gear, driving motor's worm is connected to first cam, first cam and second cam carry out the transmission through the transfer line, driving motor has still been divided one-way through straight-tooth bar drive screw feeder's bottom power gear rotation and has made the grit that the conveying flight will filter the frame left side and leave up to carry away, oil after the filtration flows at infiltration pipe and oil pipe respectively, external first oil pipe and second oil pipe go out.

The sand filter can automatically filter and discharge sand, the improved filtering device for oil exploitation can roughly filter and precipitate the sand, and oil existing in the filtering device can not be filtered while the sand is discharged.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of an external structure of a filter device for oil extraction according to the present invention.

FIG. 2 is a schematic view showing the internal structure of a filter device for oil recovery according to the present invention.

Fig. 3 is a schematic structural view of the first part of fig. 2 according to the present invention.

Fig. 4 is a schematic structural view of the second part of fig. 2 according to the present invention.

In the figure: a sand filter-1, a first oil outlet pipe-2, a second oil outlet pipe-3, a controller-4, a vibration motor-5, a sand processing box-6, a base-7, an upper cover-8, an oil pumping gear-101, an oil-stone separating rack-102, an intermittent gear-103, a driving gear rod-104, a synchronous gear-105, a driving motor-106, a spiral feeder-107, an oil inlet pipe-1011, a support-1012, a gear-1013, a small chain wheel-1014, a chain-1015, a filter rack-1021, a first belt wheel-1022, a filter screen-1023, an oil pipe-1024, a synchronous belt-1025, a second belt wheel-1026, an input special-shaped gear-1031, a gear seat-1032, a transmission arm-1033, a composite belt wheel-1034, a vibration motor-104, a sand processing, The gear-type transmission mechanism comprises an output special-shaped gear-1035, a taper rod-1041, a bearing-1042, a bearing seat-1043, an output gear-1045, a driven gear-1051, a vertical gear seat-1052, a second cam-1053, a transmission rod-1054, a first cam-1055, a main motor-1061, a junction box-1062, a taper gear-1063, a straight gear-1064, a rotating shaft-1065, a worm-1066, a gear base-1071, a power gear-1072, a permeation tube-1073, a rotating rod-1074, a transmission spiral piece-1075, a housing-1076 and a top bearing-1077.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1 to 4, the present invention provides a filter device for oil extraction: the structure includes: sandstone filtration ware 1, first play oil pipe 2, second play oil pipe 3, controller 4, driving motor 5, grit treatment box 6, base 7, upper cover 8, sandstone filtration ware 1's outer wall vertical fixation is at the top of first play oil pipe 2, first play oil pipe 2 is installed perpendicularly on the right side of second play oil pipe 3, the front end at sandstone treatment box 6 outer wall is passed through the bolt fastening to the rear end of controller 4, the lower extreme welding of sandstone treatment box 6 is at the upper surface of base 7 and with the bottom swing joint of upper cover 8, sandstone filtration ware 1's inside communicates with each other with the inner tube of second play oil pipe 3, controller 4 is connected with shock dynamo 5's terminal box electricity through the wire, sandstone filtration ware 1 is equipped with pump oil gear 101, oilstone separation frame 102, intermittent type gear 103, drive rack 104, synchronous gear 105, driving motor 106, screw feeder 107, the outer wall of the oil pumping gear 101 is horizontally arranged at the top end of the oilstone separating frame 102, the inner gear of the oilstone separating frame 102 is in clearance fit with the outer wall of the intermittent gear 103, the gear at the bottom of the intermittent gear 103 is meshed with the gear at the right side of the driving toothed bar 104, the driving toothed bar 104 is horizontally arranged at the right side of the synchronous gear 105 and is movably connected, the driving motor 106 is vertically fixed at the left side of the synchronous gear 105 and is mechanically connected with the screw feeder 107, the oil pumping gear 101 is composed of an oil inlet pipe 1011, a support 1012, a gear 1013, a small chain wheel 1014 and a chain 1015, the oil inlet pipe 1011 and the support 1012, the gear 1013 is provided with two gears which are fixed at the upper side and the lower side of the inner wall of the oil inlet pipe 1011 through bolts, the center of the gear 1013 is in the same axle center with the center of the small chain wheel 1014, the small chain wheel is vertically welded at the, the small chain wheel 1014 is horizontally fixed at the top end of the taper rod 1041, the oilstone separating frame 102 is composed of a filter frame 1021, a first belt wheel 1022, a filter net 1023, an oil pipe 1024, a synchronous belt 1025 and a second belt wheel 1026, the front end of the filter frame 1021 is fixed at the rear end of the outer wall of the first belt wheel 1022 through bolts, the bottom end of the filter net 1023 is welded around the filter frame 1021, the internal thread at the top of the oil pipe 1024 is in clearance fit with the external thread at the bottom end of the filter frame 1021, the outer wall of the first belt wheel 1022 is in clearance fit with the outer wall of the second belt wheel 1026 through the synchronous belt 1025, the filter frame 1021 is fixed at the left side of the intermittent gear 103 and is mechanically connected with the intermittent gear 103, the intermittent gear 103 is composed of an input special-shaped gear 1031, a gear seat 1032, a transmission arm 1033, a composite belt wheel and an output special-shaped gear 1035, the input special-shaped gear 1031 is vertically fixed at the axis at the top of the, the protrusion of the transmission arm 1033 is movably connected with the groove of the output special-shaped gear 1035, the main shaft of the composite belt wheel 1034 and the main shaft of the input special-shaped gear 1031 are in the same axis, the gear on the right side of the oilstone separation rack 102 is mechanically connected with the output special-shaped gear 1035 through a belt, the driving toothed bar 104 is composed of a conical bar 1041, a bearing 1042, a bearing seat 1043 and an output gear 1045, the conical bar 1041 horizontally penetrates through the center of the bearing 1042, the bearing 1042 is provided with two gears which are vertically welded on the left side and the right side of the outer wall of the bearing seat 1043, the right side of the bearing seat 1043 is fixed on the right side of the inner wall of the sandstone filter 1 through bolts, the insection at the front end of the output gear 1045 is meshed with the straight teeth on the right side of the conical bar 1041, the conical bar 1041 is fixed on the right side of the synchronous gear 105, The left end of a conical rod of the driving rack bar 104 is movably connected with the front end of a driven gear 1051, the driven gear 1051 is fixed at the upper end of a vertical gear base 1052 through bolts, the external teeth of the second cam 1053 are meshed with the external teeth of the driven gear 1051, a movable shaft at the front end of the second cam 1053 is mechanically connected with the movable shaft of the first cam 1055 through a transmission rod 1054, the driving motor 106 is composed of a main motor 1061, a junction box 1062, a conical gear 1063, a straight rack 1064, a rotating shaft 1065 and a worm 1066, the outer wall of the main motor 1061 is vertically fixed at the right side of the junction box 1062, the top of the conical gear 1063 and a worm groove are welded at the bottom end of a main shaft of the main motor 1061, the rotating shaft 1065 is arranged at the right side of the straight rack 1064 and is in interference fit with the groove of the conical gear 1063, the right side of the rotating shaft 1065 horizontally penetrates through the inner wall of the axis 1066, the junction box 1062 is electrically connected with a main board of the controller 4 through a wire, the screw feeder 107 is composed of a gear base 1071, a power gear 1072, a permeation tube 1073, a rotating rod 1074, a transmission spiral piece 1075, a housing 1076 and a top bearing 1077, the gear base 1071 is horizontally arranged at the bottom of the power gear 1072 and is parallel to each other, the rotating rod 1074 vertically penetrates through the center of the permeation tube 1073, the outer wall of the rotating rod 1074 is welded at the center of the transmission spiral piece 1075, the transmission spiral piece 1075 is fixed on the inner wall of the housing 1076 and is movably connected with the inner wall of the housing 1076, and the top bearing 1077 is vertically arranged at the top end of the outer wall of the rotating rod 1074.

The petroleum extracted by the invention is treated by the inside of a sand filter 1, a first oil outlet pipe 2 and a second oil outlet pipe 3 discharge the coarse-filtered petroleum and the precipitated petroleum respectively, a sand treatment box 6 collects the impurities in the petroleum and discharges the impurities by a vibration motor 5 at the bottom, a controller 4 is provided with a plurality of keys for convenient control, the petroleum passes through an oil pumping gear 101 of the sand filter 1 and slowly pushes the petroleum into an oil inlet pipe 1011 to flow downwards at an opening on the left side of the oil inlet pipe 1011 under the occlusion transmission of two gears 1013, a filter rack 1021 is provided with three baffles which are controlled to rotate by a clearance gear 103, an input special-shaped gear 1031 drives an output special-shaped gear 1035 to rotate in a certain period by a transmission arm 1033, and the filter rack 1021 is just positioned at the bottom of the oil inlet pipe 1011 to collect the petroleum while the output special-shaped gear 1035 stops rotating, when the oil filter rotates, separated sand is dumped to the left side, a driving toothed bar 104 at the bottom is used for driving the gap gear 103, a conical bar 1041 in the gap gear is matched with an output gear 1045, the conical bar 1041 is in power connection with a driven gear 1051 at the right side of the top of the synchronous gear 105, the output gear 1045 transmits power to a compound belt wheel 1034 to further rotate an input special-shaped gear 1031, a second cam 1053 is connected with a driving gear, the first cam 1055 is connected with a worm 1066 of a driving motor 106, the first cam 1055 and the second cam 1053 are transmitted through a transmission rod 1054, the driving motor 106 drives a power gear 1072 at the bottom of a screw feeder 107 to rotate through a straight-tooth bar 1064 through a straight-tooth rod 1063 so that a transmission screw plate 1075 transmits sand left on the left side of the filter frame 1021 upwards, filtered oil respectively flows out of a permeation tube 1073 and an oil tube 1024 and is externally connected with a first oil outlet tube 2 and a second oil outlet tube 3, the improved filtering device for oil exploitation can be used for carrying out rough filtering and sedimentation filtering on sand and stone, and can not be used for draining oil existing inside when the sand and stone are discharged.

The screw rod in the screw feeder 107 of the present invention is a cylinder with a spiral groove cut on the outer surface or a cone with a conical spiral groove cut on the outer surface, and is widely used for feeders and plastic molding equipment, such as plastic profile extruders, injection molding machines, etc.

The structure and the principle of the oil filter can be known by technical manuals or conventional experimental methods, and the oil filter solves the problems that a lot of sand and small stones are mixed in oil during exploitation, the inner wall of a pipeline is easily damaged, and the service life of equipment is easily influenced.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A filtering device for oil exploitation structurally comprises: grit filter (1), first oil pipe (2), second go out oil pipe (3), controller (4), shock dynamo (5), grit treatment box (6), base (7), upper cover (8), its characterized in that:

the outer wall of the sand filter (1) is vertically fixed at the top of the first oil outlet pipe (2), the first oil outlet pipe (2) is vertically arranged on the right side of the second oil outlet pipe (3), the rear end of the controller (4) is fixed at the front end of the outer wall of the sand treatment box (6) through bolts, the lower end of the sand treatment box (6) is welded on the upper surface of the base (7) and is movably connected with the bottom end of the upper cover (8), the interior of the sand filter (1) is communicated with the inner pipe of the second oil outlet pipe (3), and the controller (4) is electrically connected with a junction box of the vibration motor (5) through a lead;

the sand filter (1) is provided with an oil pumping gear (101), an oilstone separating frame (102), an intermittent gear (103), a driving rack bar (104), a synchronous gear (105), a driving motor (106) and a screw feeder (107), wherein the outer wall of the oil pumping gear (101) is horizontally arranged at the top end of the oilstone separating frame (102), an internal gear of the oilstone separating frame (102) is in clearance fit with the outer wall of the intermittent gear (103), a gear at the bottom of the intermittent gear (103) is meshed with a gear on the right side of the driving rack bar (104), the driving rack bar (104) is horizontally arranged on the right side of the synchronous gear (105) and is movably connected with the gear, and the driving motor (106) is vertically fixed on the left side of the synchronous gear (105) and is mechanically connected with the screw feeder (107).

2. The filtering apparatus for oil exploitation according to claim 1, wherein: pump oil gear (101) comprises oil feed pipe (1011), support (1012), gear (1013), small sprocket (1014), chain (1015), oil feed pipe (1011), support (1012), gear (1013) are equipped with two and pass through the bolt fastening in the upper and lower both sides of oil feed pipe (1011) inner wall, the center of gear (1013) is in same axle center with the center of small sprocket (1014), small sprocket (1014) weld perpendicularly in the front end of intermittent type gear (103) outer wall and with the inner wall clearance fit of chain (1015), small sprocket (1014) horizontal fixation is on the top of taper rod (1041).

3. The filtering apparatus for oil exploitation according to claim 1, wherein: the oilstone separation frame (102) is composed of a filter frame (1021), a first belt wheel (1022), a filter screen (1023), an oil pipe (1024), a synchronous belt (1025) and a second belt wheel (1026), wherein the front end of the filter frame (1021) is fixed at the rear end of the outer wall of the first belt wheel (1022) through bolts, the bottom end of the filter screen (1023) is welded around the filter frame (1021), the internal thread at the top of the oil pipe (1024) is in clearance fit with the external thread at the bottom end of the filter frame (1021), the outer wall of the first belt wheel (1022) is in clearance fit with the outer wall of the second belt wheel (1026) through the synchronous belt (1025), and the filter frame (1021) is fixed on the left side of the intermittent gear (103) and is mechanically connected with the intermittent gear (.

4. A filter device for oil exploitation according to claim 1 or 3, wherein: the intermittent gear (103) is composed of an input special-shaped gear (1031), a gear seat (1032), a transmission arm (1033), a composite belt wheel (1034) and an output special-shaped gear (1035), the input special-shaped gear (1031) is vertically fixed on the axis of the top of the gear seat (1032), the front end of the input special-shaped gear (1031) is in interference fit with the rear end of the axis of the transmission arm (1033), a protrusion of the transmission arm (1033) is movably connected with a groove of the output special-shaped gear (1035), a main shaft of the composite belt wheel (1034) and a main shaft of the input special-shaped gear (1031) are located on the same axis, and a gear on the right side of the oilstone separating frame (102) is mechanically connected with the output special-shaped gear (1035) through a.

5. The filtering apparatus for oil exploitation according to claim 1, wherein: drive ratch (104) comprise taper rod (1041), bearing (1042), bearing frame (1043), output gear (1045), the center of bearing (1042) is run through to taper rod (1041) level, bearing (1042) are equipped with the left and right sides of two vertical welding at bearing frame (1043) outer wall, the right side of bearing frame (1043) is passed through the bolt and is fixed on the right side of sandstone filtration ware (1) inner wall, the insection and the straight-tooth intermeshing on taper rod (1041) right side of output gear (1045) front end, right side and swing joint at synchronizing gear (105) are fixed in taper rod (1041).

6. The filtering apparatus for oil exploitation according to claim 1 or 5, wherein: the synchronous gear (105) is composed of a driven gear (1051), a vertical gear seat (1052), a second cam (1053), a transmission rod (1054) and a first cam (1055), the left end of a taper rod of the driving gear rod (104) is movably connected with the front end of the driven gear (1051), the driven gear (1051) is fixed at the upper end of the vertical gear seat (1052) through a bolt, the outer teeth of the second cam (1053) are meshed with the outer teeth of the driven gear (1051), and the movable shaft at the front end of the second cam (1053) is mechanically connected with the movable shaft of the first cam (1055) through the transmission rod (1054).

7. The filtering apparatus for oil exploitation according to claim 1, wherein: driving motor (106) comprise main motor (1061), terminal box (1062), bevel gear (1063), straight-tooth bar (1064), pivot (1065), worm (1066), the outer wall vertical fixation of main motor (1061) is on the right side of terminal box (1062), bevel gear (1063) top and groove weld are in the bottom of main motor (1061) main shaft, pivot (1065) are installed on the right side of straight-tooth bar (1064) and with the recess interference fit of bevel gear (1063), the inner wall in worm (1066) axle center is run through to the right side level of pivot (1065), terminal box (1062) are connected through the mainboard electricity of wire and controller (4).

8. The filtering apparatus for oil exploitation according to claim 1, wherein: the screw feeder (107) is composed of a gear base (1071), a power gear (1072), a permeation tube (1073), a rotating rod (1074), a transmission spiral sheet (1075), a shell (1076) and a top bearing (1077), wherein the gear base (1071) is horizontally arranged at the bottom of the power gear (1072) and is parallel to each other, the rotating rod (1074) vertically penetrates through the center of the permeation tube (1073), the outer wall of the rotating rod (1074) is welded at the center of the transmission spiral sheet (1075), the transmission spiral sheet (1075) is fixed on the inner wall of the shell (1076) and is movably connected, and the top bearing (1077) is vertically arranged at the top end of the outer wall of the rotating rod (1074).