CN106698317B - A kind of application method of the unloading oil filling riser with oil-immersed pump - Google Patents
A kind of application method of the unloading oil filling riser with oil-immersed pump Download PDFInfo
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- CN106698317B CN106698317B CN201710149238.4A CN201710149238A CN106698317B CN 106698317 B CN106698317 B CN 106698317B CN 201710149238 A CN201710149238 A CN 201710149238A CN 106698317 B CN106698317 B CN 106698317B
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Abstract
The invention discloses a kind of application methods of unloading oil filling riser with oil-immersed pump, belong to oil filling riser technical field.The unloading oil filling riser with oil-immersed pump includes hydraulic oil tank, vane pump, negative pressure pipeline road, positive pressure pipeline road, hoist, nanubrium, oil-immersed pump, bracket assembly, tumbler assembly, gas phase pipe, flowline, oil inlet pipe, casing, oil outlet, telescoping tube and sealing cover, and bracket assembly includes column, bracket, mounting, vertical arm, the first rotary joint and the first air motor；Tumbler assembly includes the first bend pipe, inner arm, the second bend pipe, the second rotary joint, the second air motor, outer arm, swivel mount, swingle and hydraulic cylinder.The present invention can the sealing effect in emptying ensure that the safety to volatile toxic liquid when unloading, avoiding bringing to operator may be occurred the phenomenon that acid burn；And positive pressure emptying is used, vapour lock, cavitation is not present in oil filling riser, improves discharge velocity.
Description
Present patent application is for application No. is 2014108390759 divisional application, the applyings date of original application
Are as follows: 2014-12-30, invention and created name are as follows: a kind of unloading oil filling riser with oil-immersed pump.
Technical field
The invention belongs to oil filling riser technical fields, more specifically to a kind of user of unloading oil filling riser with oil-immersed pump
Method.
Background technique
Currently, it is more to unload tank car oil filling riser type, but due to most of Unloading Arms when high temperature, low-pressure area unload slot pole
It is also easy to produce vapour lock, cavitation makes various regions oil depot have to add oil-immersed pump on unloading system.But it is existing with latent oil
The oil filling riser of pump does not mostly have good seal approach in the presence of the oil filling riser with oil-immersed pump, because disengaging oil pipe can not be handled with telescoping tube
During decline rises, sealing effect very poor phenomenon when oil inlet and outlet passes in and out sealing cover, in particular for volatile toxic
The effect of working seal of unloading of liquid be particularly important, and in the prior art, the level gauging during emptying is more difficult
With accurate realization measurement.
Summary of the invention
1, it to solve the problems, such as
For the above-mentioned problems in the prior art, the present invention provides a kind of user of unloading oil filling riser with oil-immersed pump
Method, the seal approach in emptying ensure that the safety to volatile toxic liquid when unloading, avoid to behaviour
Bringing as personnel may be occurred by the dangerous phenomenon of acid burn；And positive pressure emptying is used, there is no vapour lock, cavitation erosion are existing for oil filling riser
As, and discharge velocity can be greatlyd improve, it improves efficiency, and be able to achieve and the liquid level in groove tank car is accurately measured.
2, technical solution
To solve the above-mentioned problems, the technical solution adopted in the present invention is as follows:
The application method of a kind of unloading oil filling riser with oil-immersed pump of the invention, comprising the following steps: it is latent to get out the band
The unloading oil filling riser of oil pump carrys out corresponding driving in use, the first air motor and the second air motor are respectively started first
First rotary joint and the second rotary joint stop the first air motor and the so that telescoping tube is directed at groove tank car tank mouth immediately
Two air motors, then shrink hydraulic cylinder, and outer arm can be using the outer arm and second rotary joint junction as axial rotary
Lower rotation, until sealing cover is stuck in the groove tank car at the groove tank car tank mouth, and using the gravity of itself by sealed cap
In tank mouth, have the function that sealing, then start hoist, telescoping tube is dropped to the bottom of groove tank car, is then started
Vane pump and oil-immersed pump, it is defeated that the hydraulic oil of vane pump successively passes through positive pressure pipeline road, oil inlet pipe, oil-immersed pump, flowline, negative pressure
Oil pipe line is then return to vane pump, thus drive oil-immersed pump by the liquid in groove tank car by telescoping tube, nanubrium, outer arm, inner arm,
Vertical arm reaches oil outlet, to realize emptying；After unloading, vane pump and oil-immersed pump are closed, and extends hydraulic cylinder, make pneumatically
Hoist engine reversely rotates, and respectively corresponds and nanubrium and telescoping tube is driven to rise, after the top of telescoping tube is detached from groove tank car tank mouth, i.e.,
Complete entrucking.
Preferably, the unloading oil filling riser with oil-immersed pump, including hydraulic oil tank, vane pump, negative pressure pipeline road, positive pressure
Pipeline road, hoist, nanubrium and oil-immersed pump further include bracket assembly, tumbler assembly, gas phase pipe, flowline, oil inlet
Pipe, casing, liquidometer, oil outlet, telescoping tube and sealing cover, support frame as described above component include column, are individually fixed in described stand
The runing rest and mounting of column upper and lower ends, vertical arm, the first rotary joint and the first air motor, the runing rest and mounting
Direction along same vertical line is fixed, and the mounting is equipped with the first rotary joint and drives the of first rotary joint
One air motor is additionally provided with fixed link, the fixed link and institute between the runing rest lower end and first rotary joint
The cylinder arm for stating vertical arm is fixedly connected along the vertical direction, the vertical arm be passed down through after first rotary joint be connected with it is fuel-displaced
Mouthful；The tumbler assembly includes being fixed on the first bend pipe above the vertical arm, connecting with first bend pipe one end and horizontal
The inner arm of setting is fixed on the second bend pipe that described inner arm one end is bent upwards, is fixed on second bend pipe upper end and sets vertically
Second air motor of the second rotary joint, driving second rotary joint set turns with the second rotary joint top
The outer arm of dynamic connection, is hinged in the outer arm swivel mount for being fixed on the outer arm and second rotary joint junction
The swingle and hydraulic cylinder in portion, the Barrel of Hydraulic Cylinders and the swingle are hinged, and telescoping cylinder and the swivel mount are hinged；Institute
The one end for stating outer arm is fixed on the nanubrium and is interconnected, and the nanubrium upper end is fixedly connected with the hoist,
And it is equipped in the nanubrium and connect and cover that the telescoping tube in the nanubrium is fixedly connected with the hoist respectively
Heavy chain, the telescoping tube are connected to the nanubrium, and the nanubrium lower end is horizontally fixed with reverse frustoconic sealing cover, in the nanubrium
It is cased with the telescoping tube for being passed down through the sealing cover, the flexible bottom of the tube is connected with oil-immersed pump, connects on the sealing cover
It is connected with gas phase pipe；It is fixed there are two identical casing along the vertical direction on the cylinder arm of the nanubrium, described sleeve pipe include sleeve and
Loop bar, the sleeve lower end pass through the sealing cover, and the loop bar is socketed in the sleeve and is deep into the sealing cover
Lower end, a sleeve in described two casings are equipped with a round pillar, the circle pillar and wherein loop bar along the vertical direction
Between be equipped with a metallic channel；The flowline is after the loop bar of one casing and between the sleeve and loop bar upper end
At gap be fixedly connected and pass through the sleeve the negative pressure pipeline road be connected to；The oil inlet pipe passes through another described set
After the loop bar of pipe and at the sleeve and loop bar upper gap with the positive pressure oil transportation that is fixedly connected with and passes through the sleeve
Pipeline connection；The liquidometer equal with the oil-immersed pump bottom end height, the conducting wire of the liquidometer are additionally provided on the oil-immersed pump
On the loop bar for being wrapped up with rubber sleeve, and one of being fixed therein via the metallic channel, and between the sleeve and loop bar upper end
At gap be fixedly connected and pass through the sleeve conducting wire be connected to.
Preferably, the negative pressure pipeline road, positive pressure pipeline road respectively along and be fixed on support frame as described above component and
On tumbler assembly.
3, beneficial effect
Compared with the prior art, the invention has the benefit that
(1) seal approach of the present invention in emptying ensure that the safety to volatile toxic liquid when unloading
Property, avoiding bringing to operator may be occurred by the dangerous phenomenon of acid burn；
(2) present invention uses positive pressure emptying, and vapour lock, cavitation is not present in oil filling riser, and can greatly improve emptying speed
Degree, improves efficiency；
(3) it may be implemented accurately to measure the liquid level in groove tank car during emptying of the present invention；
(4) present invention also has the advantages that simple structure and reasonable design, easily fabricated.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of casing cross section of the invention.
Specific embodiment
The present invention is further described below combined with specific embodiments below.
As depicted in figs. 1 and 2, a kind of unloading oil filling riser with oil-immersed pump, including hydraulic oil tank 1, vane pump 2, negative pressure are defeated
Oil pipe line 3, positive pressure pipeline road 4, hoist 21, nanubrium 22 and oil-immersed pump 27, it is characterised in that: further include support frame group
Part, tumbler assembly, gas phase pipe 24, flowline 25, oil inlet pipe 26, casing 23, liquidometer 28, oil outlet 17, telescoping tube 30 and close
Capping 31, support frame as described above component include column 7, the runing rest 9 for being individually fixed in 7 upper and lower ends of column and mounting 5,
Vertical arm 19, the first rotary joint 18 and the first air motor 6, the runing rest 9 and mounting 5 are solid along the direction of same vertical line
It is fixed, and the mounting 5 is equipped with the first rotary joint 18 and drives the first air motor 6 of first rotary joint 18, institute
It states and is additionally provided with fixed link between 9 lower end of runing rest and first rotary joint 18, the fixed link and the vertical arm 19
Cylinder arm is fixedly connected along the vertical direction, and the vertical arm 19 is connected with oil outlet 17 after being passed down through first rotary joint 18；
The tumbler assembly includes the first bend pipe 8 for being fixed on 19 top of vertical arm, connect simultaneously level with described first bend pipe, 8 one end
The inner arm 10 of setting is fixed on the second bend pipe 20 that described 10 one end of inner arm is bent upwards, is fixed on second bend pipe 20
Hold the second air motor 11 and described second of the second rotary joint 12 being vertically arranged, driving second rotary joint 12
The outer arm 16 that is rotatablely connected above rotary joint 12, the rotation for being fixed on the outer arm 16 and 12 junction of the second rotary joint
Pivoted frame 13, the swingle 14 and hydraulic cylinder 15 for being hinged on 16 middle part of outer arm, the Barrel of Hydraulic Cylinders and the swingle 14
Hingedly, telescoping cylinder and the swivel mount 13 are hinged；One end of the outer arm 16 is fixed on the nanubrium 22 and is interconnected,
22 upper end of nanubrium is fixedly connected with the hoist 21, and be equipped in the nanubrium 22 respectively with the pneumatic elevator
Machine 21 connects the hoisting-chain being fixedly connected with the telescoping tube 30 covered in the nanubrium 22, the telescoping tube 30 and the nanubrium 22
Connection, 22 lower end of nanubrium are horizontally fixed with reverse frustoconic sealing cover 31, and 22 inner sleeve of nanubrium is passed down through described close
The telescoping tube 30 of capping 31,30 bottom of telescoping tube is connected with oil-immersed pump 27, is communicated with gas phase on the sealing cover 31
Pipe 24；It is fixed there are two identical casing 23 along the vertical direction on the cylinder arm of the nanubrium 22, described sleeve pipe 23 include sleeve and
Loop bar 34, the sleeve lower end pass through the sealing cover 31, and the loop bar 34 is socketed in the sleeve and is deep into described close
31 lower end is covered, a sleeve in described two casings 23 is equipped with a round pillar 32 along the vertical direction, and the circle is convex
A metallic channel 33 is equipped between column 32 and wherein loop bar 34；After the flowline 25 passes through the loop bar 34 of one casing 23
And at 34 upper gap of the sleeve and loop bar be fixedly connected and pass through the sleeve the negative pressure pipeline road 3 connect
It is logical；The oil inlet pipe 26 pass through after the loop bar 34 of another casing 23 and at 34 upper gap of the sleeve and loop bar with
It is fixedly connected and the positive pressure pipeline road 4 for passing through the sleeve is connected to；It is additionally provided on the oil-immersed pump 27 and the latent oil
The equal liquidometer 28 of 27 bottom ends height is pumped, the conducting wire of the liquidometer 28 is wrapped up with rubber sleeve, and via the metallic channel 33
On the loop bar 34 one of being fixed therein, and at 34 upper gap of the sleeve and loop bar be fixedly connected and pass through the set
The conducting wire connection of cylinder.
In addition, the negative pressure pipeline road 3, positive pressure pipeline road 4 respectively along and be fixed on support frame as described above component and
On tumbler assembly.
In use, pneumatic first air motor and the second air motor are respectively started first, carry out corresponding driving the
One rotary joint and the second rotary joint so that telescoping tube be aligned groove tank car tank mouth, stop immediately first air motor and
Second air motor, then shrinks hydraulic cylinder, and outer arm can be using the outer arm and second rotary joint junction as rotary shaft
It rotates down, until the sealed cap is at the groove tank car tank mouth, and the card using the gravity of itself by sealing cover tightly
In the tank mouth of the groove tank car, have the function that sealing, then starts hoist structure, telescoping tube is dropped into groove tank car
Bottom, then start vane pump and oil-immersed pump, the hydraulic oil of vane pump and successively pass through positive pressure pipeline road, oil inlet pipe, latent oil
Pump, flowline, negative pressure pipeline road, are then return to vane pump, thus drive oil-immersed pump by the liquid in groove tank car by telescoping tube,
Nanubrium, outer arm, inner arm, vertical arm reach oil outlet, to realize emptying.While the stabilization in order to guarantee pressure in groove tank car, gas
Phase pipe starts to be inflated in groove tank car, to ensure that that unloads goes on smoothly, and casing can be with telescoping tube
It moves up and down and drives the conducting wire of flowline, oil inlet pipe and liquidometer and move up and down, realize the upper and lower flexible of itself, thus
Avoid in sealing cover hereinafter, the phenomenon that generating excessive soft tube winding in tank car generation, and the flowline, oil inlet pipe and
Liquidometer is in the fixed connection in the top of sleeve, to reach good sealing effect.After unloading, close vane pump and
Oil-immersed pump, and hydraulic cylinder and hoist engine reverse rotation are extended, it respectively corresponds and nanubrium and telescoping tube is driven to rise, the top to telescoping tube
After end is detached from groove tank car tank mouth, i.e. completion entrucking.
Schematically the present invention and embodiments thereof are described above, description is not limiting, institute in attached drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited to this.So if the common skill of this field
Art personnel are enlightened by it, without departing from the spirit of the invention, are not inventively designed and the technical solution
Similar frame mode and embodiment, are within the scope of protection of the invention.
Claims (2)
1. a kind of application method of the unloading oil filling riser with oil-immersed pump, which comprises the following steps: it is latent to get out the band
The unloading oil filling riser of oil pump, the unloading oil filling riser with oil-immersed pump include hydraulic oil tank (1), vane pump (2), negative pressure pipeline road
(3), positive pressure pipeline road (4), hoist (21), nanubrium (22) and oil-immersed pump (27), it is characterised in that: further include support
Frame component, tumbler assembly, gas phase pipe (24), flowline (25), oil inlet pipe (26), casing (23), liquidometer (28), oil outlet
(17), telescoping tube (30) and sealing cover (31), support frame as described above component include column (7), are individually fixed on the column (7)
The runing rest (9) and mounting (5) at lower both ends, vertical arm (19), the first rotary joint (18) and the first air motor (6), it is described
Runing rest (9) and mounting (5) are fixed along the direction of same vertical line, and the mounting (5) is equipped with the first rotary joint
(18) and the first air motor (6) of driving first rotary joint (18), runing rest (9) lower end and described first
It is additionally provided with fixed link between rotary joint (18), the cylinder arm of the fixed link and the vertical arm (19) is fixed along the vertical direction to be connected
It connects, the vertical arm (19) is connected with oil outlet (17) after being passed down through first rotary joint (18)；The tumbler assembly packet
In including the first bend pipe (8) being fixed on above the vertical arm (19), connect with described first bend pipe (8) one end and being horizontally disposed
Arm (10) is fixed on the second bend pipe (20) that the inner arm (10) one end is bent upwards, is fixed on second bend pipe (20)
Hold the second rotary joint (12) being vertically arranged, the second air motor (11) of driving second rotary joint (12) and institute
It states the outer arm (16) being rotatablely connected above the second rotary joint (12), be fixed on the outer arm (16) and second rotary joint
(12) swivel mount (13) of junction, the swingle (14) and hydraulic cylinder (15) that are hinged in the middle part of the outer arm (16), the liquid
Hingedly, telescoping cylinder and the swivel mount (13) are hinged for cylinder pressure cylinder barrel and the swingle (14)；One end of the outer arm (16)
It being fixed on the nanubrium (22) and is interconnected, nanubrium (22) upper end is fixedly connected with the hoist (21),
And it is equipped in the nanubrium (22) and connect and cover the telescoping tube in the nanubrium (22) with the hoist (21) respectively
(30) hoisting-chain being fixedly connected, the telescoping tube (30) are connected to the nanubrium (22), and nanubrium (22) the lower end level is solid
Surely have reverse frustoconic sealing cover (31), nanubrium (22) inner sleeve has the telescoping tube for being passed down through the sealing cover (31)
(30), telescoping tube (30) bottom is connected with oil-immersed pump (27), is communicated with gas phase pipe (24) on the sealing cover (31)；It is described
Fixed along the vertical direction on the cylinder arm of nanubrium (22) there are two identical casing (23), and described sleeve pipe (23) includes sleeve and loop bar
(34), the sleeve lower end passes through the sealing cover (31), and the loop bar (34) is socketed in the sleeve and is deep into described
The lower end of sealing cover (31), a sleeve in two described sleeve pipes (23) are equipped with a round pillar (32), institute along the vertical direction
It states and is equipped with a metallic channel (33) between round pillar (32) and wherein loop bar (34)；The flowline (25) passes through described in one
The loop bar (34) of casing (23) afterwards and at the sleeve and loop bar (34) upper gap be fixedly connected and pass through the sleeve
The negative pressure pipeline road (3) connection；The oil inlet pipe (26) passes through the loop bar (34) of another described sleeve pipe (23) afterwards simultaneously
At the sleeve and loop bar (34) upper gap be fixedly connected and pass through the sleeve the positive pressure pipeline road (4) even
It is logical；The liquidometer (28) equal with the oil-immersed pump (27) bottom end height, the liquidometer are additionally provided on the oil-immersed pump (27)
(28) conducting wire is wrapped up with rubber sleeve, and on the loop bar (34) one of being fixed therein via the metallic channel (33), and in institute
State at sleeve and loop bar (34) upper gap be fixedly connected and pass through the sleeve conducting wire be connected to；
In use, the first air motor (6) and the second air motor (11) are respectively started first, carry out corresponding driving first
It is pneumatic to stop first so that telescoping tube (30) is directed at groove tank car tank mouth immediately for rotary joint (18) and the second rotary joint (12)
Motor (6) and the second air motor (11) then shrink hydraulic cylinder (15), and outer arm (16) can be with the outer arm (16) and described the
Two rotary joints (12) junction rotates down for rotary shaft, until sealed cap is at the groove tank car tank mouth, and using from
Sealing cover is stuck in the groove tank car tank mouth by the gravity of body, has the function that sealing, then starts hoist (21), will
Telescoping tube (30) drops to the bottom of groove tank car, then starts vane pump (2) and oil-immersed pump (27), the hydraulic oil of vane pump (2)
Successively pass through positive pressure pipeline road (4), oil inlet pipe (26), oil-immersed pump (27), flowline (25), negative pressure pipeline road (3), then
Vane pump (2) are returned to, to drive oil-immersed pump (27) by the liquid in groove tank car by telescoping tube (30), nanubrium (22), outer arm
(16), inner arm (10), vertical arm (19) reach oil outlet, to realize emptying；After unloading, vane pump (2) and latent oil are closed
It pumps (27), and extends hydraulic cylinder (15), reversely rotates hoist (21), respectively correspond and drive nanubrium (22) and telescoping tube
(30) rise, after the top of telescoping tube (30) is detached from groove tank car tank mouth, i.e. completion entrucking.
2. the application method of the unloading oil filling riser according to claim 1 with oil-immersed pump, it is characterised in that: the negative pressure oil transportation
Pipeline (3), positive pressure pipeline road (4) respectively along and be fixed on support frame as described above component and tumbler assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710149238.4A CN106698317B (en) | 2014-12-30 | 2014-12-30 | A kind of application method of the unloading oil filling riser with oil-immersed pump |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710149238.4A CN106698317B (en) | 2014-12-30 | 2014-12-30 | A kind of application method of the unloading oil filling riser with oil-immersed pump |
| CN201410839075.9A CN104671182B (en) | 2014-12-30 | 2014-12-30 | Unloading crane pipe with oil-immersed pump |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410839075.9A Division CN104671182B (en) | 2014-12-30 | 2014-12-30 | Unloading crane pipe with oil-immersed pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106698317A CN106698317A (en) | 2017-05-24 |
| CN106698317B true CN106698317B (en) | 2019-06-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410839075.9A Active CN104671182B (en) | 2014-12-30 | 2014-12-30 | Unloading crane pipe with oil-immersed pump |
| CN201710149238.4A Active CN106698317B (en) | 2014-12-30 | 2014-12-30 | A kind of application method of the unloading oil filling riser with oil-immersed pump |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410839075.9A Active CN104671182B (en) | 2014-12-30 | 2014-12-30 | Unloading crane pipe with oil-immersed pump |
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| CN (2) | CN104671182B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| SE541217C2 (en) * | 2017-09-08 | 2019-05-07 | Epiroc Rock Drills Ab | Mining or construction vehicle |
| CN108793048A (en) * | 2018-06-12 | 2018-11-13 | 新疆中拓新能源技术股份有限公司 | Cantilevered automatic aligning Unloading Arm |
| CN108840305B (en) * | 2018-07-11 | 2023-05-23 | 天津市正方科技发展有限公司 | Train loading automatic loading system |
| CN110872094A (en) * | 2018-09-03 | 2020-03-10 | 中国石油化工股份有限公司 | Crane tube for unloading tank car and using method thereof |
| CN110116981A (en) * | 2019-06-13 | 2019-08-13 | 陕西乾道自动化设备有限公司 | A kind of stacking formula fluid media (medium) handler |
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| JPS5327718B2 (en) * | 1972-10-12 | 1978-08-10 | ||
| US3989059A (en) * | 1975-04-28 | 1976-11-02 | General American Transportation Corporation | Support for interconnection hose |
| US5005612A (en) * | 1989-12-14 | 1991-04-09 | Kurtz John M | Method and apparatus for transferring high viscosity liquid work product from a drum to a work station |
| CN2197353Y (en) * | 1994-05-27 | 1995-05-17 | 苗荣青 | Lifting and rotating oil injector |
| CN2404868Y (en) * | 1999-09-26 | 2000-11-08 | 易自强 | Tube of oil submerged pump for hydraulic discharging trough |
| CN1292352A (en) * | 2000-04-21 | 2001-04-25 | 桑建堂 | Environemnt-protecting energy-saving light oil transferring method |
| CN100387507C (en) * | 2004-10-14 | 2008-05-14 | 株洲市自强油气储运设备制造有限公司 | Unloading and cleaning system for hydraulic unloading imersion pump oil filling riser |
| CN2789218Y (en) * | 2005-04-06 | 2006-06-21 | 马建 | Oil filling riser loading oil-gas collecting apparatus |
| CN2883320Y (en) * | 2006-03-02 | 2007-03-28 | 连云港远洋流体装卸设备有限公司 | Closed liquid down oil filling riser |
| CN201024084Y (en) * | 2007-03-23 | 2008-02-20 | 株洲石油储运设备有限公司 | Closed type crane tube for loading for oil tank vehicle |
| CN201506704U (en) * | 2009-09-02 | 2010-06-16 | 中国石油化工股份有限公司 | Oil gas recovery type upload seal crane tube |
| JP5327718B2 (en) * | 2009-10-20 | 2013-10-30 | 株式会社石垣 | Column type submersible pump |
| CN201598169U (en) * | 2009-12-18 | 2010-10-06 | 乐清市金宇石化设备有限公司 | Cylinder compression type sealed submerged loading arm |
| CN202164107U (en) * | 2011-06-03 | 2012-03-14 | 陈桂华 | Telescopic hanging pipe type pneumatic loading filling pipe |
| CN202609919U (en) * | 2012-05-16 | 2012-12-19 | 株洲市自强油气储运设备制造有限公司 | Bag type airtight dual-layer loading crane pipe |
| CN102923632B (en) * | 2012-10-31 | 2014-11-12 | 中国石油化工股份有限公司 | Seal device and seal method for hermetically entrucking loading arm |
| CN203212314U (en) * | 2013-01-30 | 2013-09-25 | 李小磊 | Mechanical-alignment installation and detachment vehicle loading arm driven by air cylinder or hydraulic cylinder |
| CN203173803U (en) * | 2013-02-01 | 2013-09-04 | 湖南百通技贸有限公司 | Hydraulic drive tumbler type crane tube |
| CN203922712U (en) * | 2014-07-12 | 2014-11-05 | 吴聪辉 | A kind of oil filling riser of installing for tank car bottom |
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2014
- 2014-12-30 CN CN201410839075.9A patent/CN104671182B/en active Active
- 2014-12-30 CN CN201710149238.4A patent/CN106698317B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104671182A (en) | 2015-06-03 |
| CN106698317A (en) | 2017-05-24 |
| CN104671182B (en) | 2017-05-03 |
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