CN104500363B - There is the plunger displacement pump of lubricating system - Google Patents

There is the plunger displacement pump of lubricating system Download PDF

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Publication number
CN104500363B
CN104500363B CN201410759573.2A CN201410759573A CN104500363B CN 104500363 B CN104500363 B CN 104500363B CN 201410759573 A CN201410759573 A CN 201410759573A CN 104500363 B CN104500363 B CN 104500363B
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plunger
lubricating
cavity
oil pipe
connecting plate
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CN104500363A (en
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魏国
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魏国
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Abstract

nullThere is the plunger displacement pump of lubricating system,Lubricating oil gear pump it is provided with in oil-way bottom the pump housing,Described bent axle is provided with driving tooth,Driving tooth is meshed with the passive tooth on lubricating oil gear pump,The oil-out of lubricating oil gear pump is connected with the pipeline road being opened in pump housing inwall,Pipeline road connects with bearing shell oil pipe,Bent axle oil pipe is offered in bent axle,This bent axle oil pipe is connected with the crank throw oil pipe offered in crank throw,Described connecting plate is provided with the first double-layer seal ring,It is connecting plate lubricating cavity between first double-layer seal ring,Connecting plate lubricating cavity is connected with pipeline road by connecting plate oil pipe,It is provided with return line with connecting plate lubricating cavity also connects,Intracavity inter-connection bottom the outlet of return line and the pump housing,Plunger chamber is provided with the second double-layer seal ring,It is plunger cavity lubricating cavity between second double-layer seal ring,Plunger cavity lubricating cavity is connected with pipeline road by plunger cavity oil pipe,Plunger cavity lubricating cavity is also connected with return line.

Description

There is the plunger displacement pump of lubricating system
Technical field
The present invention relates to a kind of plunger displacement pump, particularly a kind of plunger displacement pump with lubricating system.
Background technology
Plunger displacement pump is an important device of hydraulic system.It relies on plunger to move back and forth in cylinder body, makes the volume of seal operation cavity volume change and realizes oil suction, force feed.Plunger displacement pump has the advantages such as rated pressure height, compact conformation, efficiency height and Flow-rate adjustment convenience, is widely used in the occasion that high pressure, big flow and flow need to regulate, in such as hydraulic press, engineering machinery and boats and ships.But traditional plunger displacement pump is not owing to relating to supporting lubricating system, therefore long-time, uninterrupted, high speed operation (in petroleum production art) is needed once plunger displacement pump, variety of problems will be produced between plunger and each parts of the pump housing because of friction, therefore need now a kind of Novel plunger pump that can solve the problem that the problems referred to above.
Summary of the invention
The present invention is to solve the above-mentioned deficiency existing for prior art, it is proposed to a kind of simple in construction, designs ingenious, it is possible to realize high speed operation long-time, continual, is particularly suitable for the plunger displacement pump with lubricating system in petroleum production art.
nullThe technical solution of the present invention is: a kind of plunger displacement pump with lubricating system,Including the pump housing 1,The bottom inner chamber of the pump housing 1 is provided with the bent axle 3 of bearing shell 2 rotational support,Bent axle 3 is provided with crank throw 4,Crank throw 4 with can be connected by the piston 5 of lengthwise movement in the pump housing 1,Piston 5 be provided above plunger 6,It has been sequentially arranged above connecting plate 7 at piston 5、Suction chamber 8、Plunger chamber 9 and water-supplying chamber 25,The top of plunger 6 is then arranged in plunger chamber 9,It is characterized in that: in the oil-way 10 bottom the described pump housing 1, be provided with lubricating oil gear pump 11,Described bent axle 3 is provided with driving tooth 12,Driving tooth 12 is meshed with the passive tooth 13 on lubricating oil gear pump 11,The oil-out of lubricating oil gear pump 11 is connected with the pipeline road 14 being opened in the pump housing 1 inwall,Pipeline road 14 connects with bearing shell oil pipe 15,The outlet of bearing shell oil pipe 15 is then positioned at the inner surface of bearing shell 2,Bent axle oil pipe 16 is offered in bent axle 3,This bent axle oil pipe 16 is connected with the crank throw oil pipe 17 offered in crank throw 4,The outlet of crank throw oil pipe 17 is positioned at the outer surface of crank throw 4,Described connecting plate 7 is provided with the first double-layer seal ring 18,It is connecting plate lubricating cavity 19 between first double-layer seal ring 18,Connecting plate lubricating cavity 19 is connected with pipeline road 14 by connecting plate oil pipe 20,What also connect with connecting plate lubricating cavity 19 is provided with return line 21,Intracavity inter-connection bottom the outlet of return line 21 and the pump housing 1,Plunger chamber 9 is provided with the second double-layer seal ring 22,It is plunger cavity lubricating cavity 23 between second double-layer seal ring 22,Plunger cavity lubricating cavity 23 is connected with pipeline road 14 by plunger cavity oil pipe 24,Plunger cavity lubricating cavity 23 is also connected with return line 21.
The present invention compared with the existing technology, has the advantage that
The plunger displacement pump with lubricating system of this kind of version, its simple in construction, design ingenious, rationally distributed.nullIt does not have lubricating system for traditional plunger displacement pump,Therefore high intensity cannot be realized、Long-time continual high-speed cruising,The problem that cannot meet the operating mode (such as field of petroleum exploitation) of some specific demand,Design a kind of special plunger pump structure with lubricating system,Between bent axle and the bearing shell of this pump、Between termination and the connecting rod of piston base of crank throw、All having lubricating oil between plunger and the pump body portion being in contact with it is that it realizes lubrication,Therefore can long-time continual work,Allow and reach optimum Working between its all parts,Reduce the probability of parts damage,And then extend its service life,And the existence due to lubricating system,It can also be operated under high-revolving condition,In unit interval, water yield is bigger,Energy-saving effect is substantially (up to 50%),And being greatly lowered due to its frictional force,The power of its required motor used is greatly reduced,And then reduce the production cost of entirety.It can be said that it has possessed multiple advantage, being particularly suitable for popularization and application in the art, its market prospect is very wide.
Accompanying drawing explanation
Fig. 1 is the front view of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.As shown in Figure 1: a kind of plunger displacement pump with lubricating system, including the pump housing 1, the bottom inner chamber of the pump housing 1 is provided with the bent axle 3 of bearing shell 2 rotational support, bent axle 3 is provided with crank throw 4, and crank throw 4 with can be connected by the piston 5 of lengthwise movement in the pump housing 1, piston 5 be provided above plunger 6, be sequentially arranged above connecting plate 7, suction chamber 8, plunger chamber 9 and water-supplying chamber 25 at piston 5, the top of above-mentioned plunger 6 is then arranged in plunger chamber 9;When bent axle 3 rotates, plunger 6 does longitudinal reciprocating motion in the pump housing 1, and medium is entered in the pump housing 1 by suction chamber 8, and pumps out the pump housing 1 from water-supplying chamber 25 after plunger chamber 9;
It is provided with lubricating oil gear pump 11 in oil-way 10 bottom the pump housing 1, bent axle 3 is provided with driving tooth 12, driving tooth 12 is meshed with the passive tooth 13 on lubricating oil gear pump 11, so when bent axle 3 rotates, driving tooth 12 will drive passive tooth 13 to rotate, and then drives lubricating oil gear pump 11 to start working;The oil-out of lubricating oil gear pump 11 is connected with the pipeline road 14 being opened in the pump housing 1 inwall, and this pipeline road 14 is respectively at being connected with bearing shell oil pipe 15, connecting plate oil pipe 20 and plunger cavity oil pipe 24;
The outlet of bearing shell oil pipe 15 is positioned at the inner surface of bearing shell 2, offers bent axle oil pipe 16 in bent axle 3, and this bent axle oil pipe 16 is connected with the crank throw oil pipe 17 offered in crank throw 4, and the outlet of crank throw oil pipe 17 is positioned at the outer surface of crank throw 4;Such lubricating oil just can enter bearing shell 2 and the contact surface of bent axle 3 through pipeline road 14, bearing shell oil pipe 15, additionally it is possible to enter the outer surface of crank throw 4 through bent axle oil pipe 16, crank throw oil pipe 17, the part constantly carrying out sliding friction for the two is lubricated;The lubricating oil completing lubrication work can directly drop onto in oil-way 10, comes back in the circulation of lubricating oil;
Connecting plate 7 is provided with the first double-layer seal ring 18, the sealing ring that first double-layer seal ring 18 be arranged in parallel for two-layer, it is provided with connecting plate lubricating cavity 19 between this two-layer sealing ring, connecting plate lubricating cavity 19 is connected with pipeline road 14 by connecting plate oil pipe 20, what also connect with connecting plate lubricating cavity 19 is provided with the intracavity inter-connection bottom return line 21, the outlet of return line 21 and the pump housing 1;Such lubricating oil just can enter connecting plate lubricating cavity 19 through pipeline road 14, connecting plate oil pipe 20, and along with the motion of plunger 6 and uniform application are on the partial outer face of plunger 6, motion for plunger 6 realizes lubrication, and this parts of lubricating oil returns in the inner chamber of the pump housing 1 again through return line 21;
Plunger chamber 9 is provided with the second double-layer seal ring 22, the sealing ring that second double-layer seal ring 22 be arranged in parallel for two-layer, it is provided with plunger cavity lubricating cavity 23 between this two-layer sealing ring, plunger cavity lubricating cavity 23 is connected with pipeline road 14 by plunger cavity oil pipe 24, and plunger cavity lubricating cavity 23 is also connected with return line 21;Such lubricating oil just can enter plunger cavity lubricating cavity 23 through pipeline road 14, plunger cavity oil pipe 24, and along with the motion of plunger 6 and uniform application are on the partial outer face of plunger 6, motion for plunger 6 realizes lubrication, and this parts of lubricating oil returns in the inner chamber of the pump housing 1 again through return line 21.
In the process of the pump housing 1 work, between connecting rod between bent axle 3 and bearing shell 2, bottom the termination of crank throw 4 and piston 5, all to have lubricating oil between plunger 6 and the pump housing 1 part being in contact with it be that it realizes lubrication, and therefore the pump housing of this kind of structure can realize high speed operation long-time, continual.

Claims (1)

  1. null1. a plunger displacement pump with lubricating system,Including the pump housing (1),The bottom inner chamber of the pump housing (1) is provided with the bent axle (3) of bearing shell (2) rotational support,Bent axle (3) is provided with crank throw (4),Crank throw (4) with can be connected by the piston (5) of lengthwise movement in the pump housing (1),Piston (5) be provided above plunger (6),It has been sequentially arranged above connecting plate (7) at piston (5)、Suction chamber (8)、Plunger chamber (9) and water-supplying chamber (25),The top of plunger (6) is then arranged in plunger chamber (9),It is characterized in that: in the oil-way (10) of the described pump housing (1) bottom, be provided with lubricating oil gear pump (11),Described bent axle (3) is provided with driving tooth (12),Driving tooth (12) is meshed with the passive tooth (13) on lubricating oil gear pump (11),The oil-out of lubricating oil gear pump (11) is connected with the pipeline road (14) being opened in the pump housing (1) inwall,Pipeline road (14) connects with bearing shell oil pipe (15),The outlet of bearing shell oil pipe (15) is then positioned at the inner surface of bearing shell (2),Bent axle oil pipe (16) is offered in bent axle (3),This bent axle oil pipe (16) is connected with the crank throw oil pipe (17) offered in crank throw (4),The outlet of crank throw oil pipe (17) is positioned at the outer surface of crank throw (4),Described connecting plate (7) is provided with the first double-layer seal ring (18),It is connecting plate lubricating cavity (19) between first double-layer seal ring (18),Connecting plate lubricating cavity (19) is connected with pipeline road (14) by connecting plate oil pipe (20),What also connect with connecting plate lubricating cavity (19) is provided with return line (21),The intracavity inter-connection of the outlet of return line (21) and the pump housing (1) bottom,Plunger chamber (9) is provided with the second double-layer seal ring (22),It is plunger cavity lubricating cavity (23) between second double-layer seal ring (22),Plunger cavity lubricating cavity (23) is connected with pipeline road (14) by plunger cavity oil pipe (24),Plunger cavity lubricating cavity (23) is also connected with return line (21).
CN201410759573.2A 2014-12-12 2014-12-12 There is the plunger displacement pump of lubricating system Active CN104500363B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111156155B (en) * 2019-12-29 2021-11-12 陕西航天动力高科技股份有限公司 Prevent extravagant seal structure of diaphragm pump fluid

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3616786A (en) * 1969-06-10 1971-11-02 Hatz Motoren Internal combustion engine
FR2264197A1 (en) * 1974-03-11 1975-10-10 Bosch Gmbh Robert Single cylinder air compressor for brakes - has oil channel between tow bushes communicating with bush inside big end
US4090719A (en) * 1977-03-28 1978-05-23 Vapor Corporation Packing assembly
CN201747563U (en) * 2010-06-09 2011-02-16 钱星飞 Oil pump type oil tank of air compressor
CN204402783U (en) * 2014-12-12 2015-06-17 魏国 There is the plunger pump of lubrication system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5572670A (en) * 1978-11-24 1980-05-31 Maruyama Seisakusho:Kk Sealing mechanism for reciprocating pump
JPH0112924B2 (en) * 1983-06-20 1989-03-02 Yanmar Diesel Engine Co
JP2645033B2 (en) * 1987-09-30 1997-08-25 株式会社東芝 Stirling engine
JPH0643277U (en) * 1992-11-10 1994-06-07 株式会社丸山製作所 Plunger pump seal lubrication and cooling device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3616786A (en) * 1969-06-10 1971-11-02 Hatz Motoren Internal combustion engine
FR2264197A1 (en) * 1974-03-11 1975-10-10 Bosch Gmbh Robert Single cylinder air compressor for brakes - has oil channel between tow bushes communicating with bush inside big end
US4090719A (en) * 1977-03-28 1978-05-23 Vapor Corporation Packing assembly
CN201747563U (en) * 2010-06-09 2011-02-16 钱星飞 Oil pump type oil tank of air compressor
CN204402783U (en) * 2014-12-12 2015-06-17 魏国 There is the plunger pump of lubrication system

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