CN111140589A - Lubricating structure of crosshead assembly for diaphragm pump - Google Patents

Lubricating structure of crosshead assembly for diaphragm pump Download PDF

Info

Publication number
CN111140589A
CN111140589A CN201911386108.8A CN201911386108A CN111140589A CN 111140589 A CN111140589 A CN 111140589A CN 201911386108 A CN201911386108 A CN 201911386108A CN 111140589 A CN111140589 A CN 111140589A
Authority
CN
China
Prior art keywords
crosshead
oil
oil groove
pin
hole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201911386108.8A
Other languages
Chinese (zh)
Other versions
CN111140589B (en
Inventor
左仓
宁轩
蒋科
王建成
王贵
屈卫德
付岳峰
卢飚
段鹏飞
赵军
李峰
金忠升
祁文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ACADEMY OF AEROSPACE PROPULSION TECHNOLOGY
Shaanxi Aero Space Power Hi Tech Co Ltd
Original Assignee
Shaanxi Aero Space Power Hi Tech Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shaanxi Aero Space Power Hi Tech Co Ltd filed Critical Shaanxi Aero Space Power Hi Tech Co Ltd
Priority to CN201911386108.8A priority Critical patent/CN111140589B/en
Publication of CN111140589A publication Critical patent/CN111140589A/en
Application granted granted Critical
Publication of CN111140589B publication Critical patent/CN111140589B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C5/00—Crossheads; Constructions of connecting-rod heads or piston-rod connections rigid with crossheads
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00—Machines, pumps, or pumping installations having flexible working members
    • F04B43/02—Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/18—Lubricating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N1/00—Constructional modifications of parts of machines or apparatus for the purpose of lubrication

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

The invention provides a lubricating structure of a crosshead assembly for a diaphragm pump, which solves the problems that the lubricating effect on a crosshead and a crosshead pin is poor, the crosshead pin is connected with a connecting rod through a bearing bush, and the bearing bush is easy to damage in the conventional diaphragm pump. The structure comprises a first oil groove axially formed in the outer circular surface of the upper part of the crosshead, wherein the first oil groove is at an acute angle relative to the offset angle right above the crosshead; a second oil groove which is centrosymmetric with the first oil groove is axially formed on the outer circular surface of the lower part of the crosshead; a first oil passing channel communicated with the crosshead pin hole is formed at the bottom of the oil groove; the crosshead sliding sleeve is provided with two groups of oil holes along the axial direction, the crosshead pin is provided with a central hole along the axial direction, and two ends of the central hole are sealed; the middle part of the crosshead pin is radially provided with an oil passing channel which is communicated with the central hole and is used for providing lubricating liquid for the bearing; the crosshead pin is provided with an annular oil groove and an oil passing channel for communicating the annular oil groove with the central hole; the crosshead pin is mounted in the crosshead pin hole such that the annular oil groove communicates with the first oil passing passage.

Description

Lubricating structure of crosshead assembly for diaphragm pump
Technical Field
The invention relates to the technology of diaphragm pumps, in particular to a lubricating structure of a crosshead assembly for a diaphragm pump.
Background
In the diaphragm pump, the crosshead is an important part for converting the rotation motion of a crankshaft into the reciprocating linear motion of the plunger piston through the driving of a connecting rod, and has a guiding function. As shown in fig. 1, a partial structure of a conventional diaphragm pump is schematically illustrated, and includes a frame 07, a crosshead shoe 02, a crosshead 03, a plunger 05, a connecting rod 01, and a crosshead pin 04; crosshead slide sleeve 02 sets up in the frame, and crosshead 03 sets up in crosshead slide sleeve 02 and can be relative crosshead slide sleeve 02 and do reciprocal linear movement, and tappet 06 is passed through to crosshead 03's one end and is connected with the outer plunger 05 of frame 07, and crosshead pin mounting hole has been seted up to its body, passes crosshead pin mounting hole and connecting rod 01 stub through crosshead pin 04, is connected crosshead 03 and connecting rod 01 stub, and the stub of connecting rod 01 is connected with the bent axle of diaphragm pump. As shown in fig. 2, in the conventional lubrication system of the crosshead 03, a first oil groove 09 is axially formed at an upper end portion of the crosshead 03, an annular oil groove 010 communicating with the first oil groove 09 is circumferentially formed, an oil hole is formed at a position opposite to the first oil groove 09 at an upper portion of the crosshead shoe, and lubricating fluid oil is injected into the first oil groove 09 through the oil hole; in the lubrication method of the crosshead pin 04, a second oil groove 08 perpendicular to and communicating with the first oil groove 09 is formed in the upper portion of the crosshead, and an oil passage penetrating through a crosshead pin mounting hole is formed in the groove bottom of the second oil groove 08 to lubricate the crosshead pin. First oil groove 09 is poured into earlier to lubricated liquid, flows through annular oil groove 010 after through first oil groove 09 and lubricates crosshead pin 04 through second oil groove 08 and oil passing channel, because lubricated liquid need through the upper oil hole of crosshead shoe, first oil groove 09, annular oil groove 010 or second oil groove 08, just can lubricate crosshead and crosshead pin for the lubricated effect to crosshead and crosshead pin is poor. In addition, the existing crosshead pin is connected with the connecting rod through a bearing bush, the bearing bush is prone to heating in the moving process, the bearing bush is prone to being damaged, the bearing bush needs to be replaced regularly, the process of replacing the bearing bush is complex, and normal work of the diaphragm pump is affected.
Disclosure of Invention
The invention provides a lubricating structure of a crosshead assembly for a diaphragm pump, aiming at solving the technical problems that the existing diaphragm pump is poor in lubricating effect on a crosshead and a crosshead pin, the crosshead pin is connected with a connecting rod through a bearing bush, and the bearing bush is easy to damage and influences the work of the diaphragm pump.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
a lubricating structure of a crosshead assembly for a diaphragm pump comprises a crosshead pin, a crosshead sliding sleeve and a crosshead arranged in the crosshead sliding sleeve, wherein the crosshead can perform reciprocating linear movement relative to the crosshead sliding sleeve; the cross head pin hole has been seted up on the cross head, its special character lies in:
a first oil groove is formed in the outer circular surface of the upper part of the crosshead along the axial direction, and the offset angle of the first oil groove relative to the position right above the crosshead is α and is an acute angle;
a second oil groove is formed in the outer circular surface of the lower portion of the crosshead along the axial direction, and the second oil groove and the first oil groove are centrosymmetric;
a first oil passing channel communicated with the crosshead pin hole is formed at the bottom of the first oil groove;
a second oil passing channel communicated with the crosshead pin hole is formed at the bottom of the second oil groove;
two groups of oil holes are axially formed in the crosshead sliding sleeve and respectively form a first oil hole group and a second oil hole group;
the first oil hole group comprises three first oil holes which are arranged along the radial direction, wherein two first oil holes are respectively positioned right above the crosshead sliding sleeve and right below the crosshead sliding sleeve, and the outlet end of the third first oil hole is communicated with one of the first oil groove and the second oil groove;
the second oil hole group comprises three second oil holes which are arranged along the radial direction, wherein two second oil holes are respectively positioned right above the crosshead sliding sleeve and right below the crosshead sliding sleeve, and the outlet end of the third second oil hole is communicated with the other one of the first oil groove and the second oil groove;
the crosshead pin is provided with a central hole along the self axial direction, and two ends of the central hole are sealed;
the middle part of the crosshead pin is provided with at least one third oil passing channel which is communicated with the central hole along the radial direction of the crosshead pin and is used for providing lubricating liquid for the bearing;
the crosshead pin is provided with a first annular oil groove and a second annular oil groove along the circumferential direction;
the crosshead pin is provided with a fourth oil passing channel for communicating the first annular oil groove with the central hole and a fifth oil passing channel for communicating the second annular oil groove with the central hole;
the crosshead pin is installed in the crosshead pin hole, so that the first annular oil groove is communicated with the first oil passing channel, and the second annular oil groove is communicated with the second oil groove.
Further, the middle part of the crosshead pin is provided with a bearing and is positioned on the surface provided with a third oil passing channel.
Further, the offset angle α of the first oil groove relative to the crosshead is 30-40 degrees.
Further, the first oil hole group and the second oil hole group are located in the middle of the crosshead sliding sleeve.
Further, the axial distance between the first oil hole group and the second oil hole group is 80-100 mm.
Further, the first oil groove is offset by an angle α of 35 degrees with respect to a position immediately above the crosshead, and an axial distance between the first oil hole group and the second oil hole group is 90 mm.
Further, the number of the third oil passing channels is 3 and the third oil passing channels are arranged in parallel.
Further, the axis of the first oil passing channel and the axis of the second oil passing channel are both perpendicular to the axis of the crosshead pin hole;
furthermore, the axes of the fourth oil passing channel and the fifth oil passing channel are perpendicular to the axis of the central hole.
Compared with the prior art, the invention has the advantages that:
in the lubricating structure, the crosshead sliding sleeve is provided with six oil holes, wherein the upper oil hole and the lower oil hole are respectively provided with four oil holes for lubricating the outer circle of the crosshead, so that friction overheating is avoided; the other two oil holes supply oil to the oil groove on the crosshead, the oil groove supplies oil to the crosshead pin, more oil moistening capacity is increased, the lubricating effect is good, and particularly forced lubrication is added below the crosshead to avoid overhigh heat generation caused by movement;
even there is the bearing on the crosshead pin, is equipped with oily passageway, centre bore, annular oil groove on the crosshead pin, when lubricated liquid flows through annular oil groove behind the crosshead pin and is lubricated to the crosshead pin, lubricated liquid is equipped with oily passageway on the crosshead pin in proper order, flows into in the centre bore, then lubricates the bearing through all the other oily passageways of crossing on the crosshead pin, prevents that the bearing from generating heat and leading to damaging, influences diaphragm pump work.
Drawings
FIG. 1 is a partial schematic view of a diaphragm pump;
FIG. 2 is a schematic view of a crosshead oil sump in a prior art diaphragm pump;
in fig. 1 and 2, the reference numerals are as follows:
01-connecting rod, 02-crosshead slide bushing, 03-crosshead, 04-crosshead pin, 05-plunger, 06-tappet, 07-frame, 08-second oil groove, 09-first oil groove, 010-annular oil groove.
FIG. 3 is a schematic view of a lubrication structure of a crosshead assembly for a diaphragm pump according to the present invention;
FIG. 4 is a schematic view of the lubricating structure of the crosshead assembly for a diaphragm pump of the present invention with the bearings removed;
FIG. 5 is a plan view of a crosshead in a lubrication structure of a crosshead assembly for a diaphragm pump according to the present invention;
FIG. 6 is a sectional view taken along line A-A of FIG. 5;
FIG. 7 is a schematic structural view of a crosshead shoe in a lubricating structure of a crosshead assembly for a diaphragm pump according to the present invention;
FIG. 8 is a sectional view taken along line B-B of FIG. 7;
FIG. 9 is a cross-sectional view taken along line C-C of FIG. 7;
in fig. 3 to 9, the reference numerals are as follows:
1-a crosshead sliding sleeve, 11-a first oil hole group, 12-a second oil hole group, 13-a first oil hole, 14-a second oil hole, 2-a crosshead, 21-a crosshead pin hole, 22-a first oil groove, 23-a second oil groove, 24-a first oil passing channel, 25-a second oil passing channel, 3-a crosshead pin, 31-a center hole, 32-a third oil passing channel, 33-a first annular oil groove, 34-a second annular oil groove, 35-a fourth oil passing channel, 36-a fifth oil passing channel, and 4-a bearing.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 3 to 9, a lubricating structure of a crosshead assembly for a diaphragm pump includes a crosshead pin 3, a crosshead slide sleeve 1, and a crosshead 2 disposed in the crosshead slide sleeve 1, wherein the crosshead 2 is capable of reciprocating and linearly moving relative to the crosshead slide sleeve 1, a crosshead pin hole 21 is formed in the crosshead 2, a first oil groove 22 is axially formed in an upper outer circumferential surface of the crosshead 2, the first oil groove 22 is axially formed in an upper outer circumferential surface of the crosshead 2, an offset angle of the first oil groove 22 in a circumferential direction relative to a position right above the crosshead 2 is α, which may be 30 to 40 degrees, preferably 35 degrees, a second oil groove 23 is axially formed in a lower outer circumferential surface of the crosshead 2, the second oil groove 23 and the first oil groove 22 are centrosymmetric, a first oil passing channel 24 penetrating through the crosshead 21 is formed in a groove bottom of the first oil groove 22, a second oil passing channel 25 penetrating through the crosshead pin hole 21 is formed in a groove bottom of the second oil groove 23, two groups of oil holes are axially formed in the first oil hole group 11 and the second oil hole group 12, the first oil hole group 11 and the second oil hole group are located at a distance of 100mm from the crosshead hole group 11 to the second oil hole 12, and the second oil hole group is preferably located between the first oil hole group 80 mm.
The first oil hole group 11 comprises three first oil holes 13 which are arranged along the radial direction, wherein two first oil holes 13 are respectively positioned right above the crosshead sliding sleeve 1 and right below the crosshead sliding sleeve 1, and the outlet ends of the third first oil holes 13 are communicated with the first oil groove 22 or the second oil groove 23; the second oil hole group 12 includes three second oil holes 14 opened along the radial direction, wherein two of the second oil holes 14 are respectively located right above the crosshead slide sleeve 1 and right below the crosshead slide sleeve 1, and an outlet end of the third second oil hole 14 is communicated with the other one of the first oil groove 22 and the second oil groove 23.
The crosshead pin 3 is provided with a central hole 31 along the self axial direction, and two ends of the central hole 31 are sealed; the middle part of the crosshead pin 3 is provided with at least one third oil passing channel 32 which is communicated with the central hole 31 along the radial direction of the crosshead pin and is used for providing lubricating liquid for the bearing; the crosshead pin 3 is provided with a first annular oil groove 33 and a second annular oil groove 34 along the circumferential direction; a fourth oil passing channel 35 for communicating the first annular oil groove 33 with the central hole 31 and a fifth oil passing channel 36 for communicating the second annular oil groove 34 with the central hole 31 are formed in the crosshead pin 3; the cross pin 3 is installed in the cross pin hole 21 such that the first annular oil groove 33 communicates with the first oil passing passage 24 and the second annular oil groove 34 communicates with the second oil groove 23; the outlet end of the third oil passing passage 32 is in contact with the inner surface of the bearing 4. In order to improve the lubricating effect, the axes of the first oil passing channel 24 and the second oil passing channel 25 are perpendicular to the axis of the crosshead pin hole 21; the axes of the fourth oil passing channel 35 and the fifth oil passing channel 36 are perpendicular to the axis of the central hole 31.
3 mid-mounting of cross head pin has the bearing, and is located the surface that is equipped with the third oil passageway 32, crosses oil passageway 32 through the third and lubricates the bearing, and the outer surface connection of bearing has the connecting rod, and the connecting rod drives the cross head and is reciprocating linear motion in the cross head sliding sleeve, prevents that the bearing from generating heat and leading to damaging in the motion process.
The crosshead sliding sleeve is provided with six oil holes, wherein the four oil holes of the upper oil hole and the lower oil hole are respectively used for lubricating the outer circle of the crosshead, the other two oil holes are respectively communicated with two oil grooves on the crosshead, and the two oil grooves are respectively used for lubricating the upper part and the lower part of the crosshead pin, so that the lubricating effect is good, particularly, forced lubrication is added below the crosshead, more oil moistening capacity is increased, and the phenomenon that the crosshead generates too high heat during movement is avoided; in addition, the oil that flows through cross head pin surface can be stored in first annular oil groove and second annular oil groove, then flows in the centre bore of cross head pin through the fourth oil channel, the fifth oil channel of crossing of annular oil groove tank bottom, and the fluid that stores in the centre bore is crossed the oil channel through the third and is flowed out and lubricate the bearing, prevents that the bearing from generating heat and leading to the damage in the motion process, influences diaphragm pump work.
The above description is only for the purpose of describing the preferred embodiments of the present invention and does not limit the technical solutions of the present invention, and any known modifications made by those skilled in the art based on the main technical concepts of the present invention fall within the technical scope of the present invention.

Claims (9)

1. A lubricating structure of a crosshead assembly for a diaphragm pump comprises a crosshead pin (3), a crosshead sliding sleeve (1) and a crosshead (2) arranged in the crosshead sliding sleeve (1), wherein the crosshead (2) can do reciprocating linear movement relative to the crosshead sliding sleeve (1); seted up cross head pinhole (21) on cross head (2), its characterized in that:
a first oil groove (22) is formed in the outer circular surface of the upper portion of the crosshead (2) along the axial direction, and the offset angle of the first oil groove (22) relative to the position right above the crosshead (2) is α and is an acute angle;
a second oil groove (23) is formed in the outer circular surface of the lower portion of the crosshead (2) along the axial direction, and the second oil groove (23) is centrosymmetric with the first oil groove (22);
a first oil passing channel (24) communicated with the crosshead pin hole (21) is formed at the bottom of the first oil groove (22);
a second oil passing channel (25) communicated with the crosshead pin hole (21) is formed at the bottom of the second oil groove (23);
two groups of oil holes are axially formed in the crosshead sliding sleeve (1), namely a first oil hole group (11) and a second oil hole group (12);
the first oil hole group (11) comprises three first oil holes (13) which are arranged along the radial direction, wherein two first oil holes (13) are respectively positioned right above the crosshead sliding sleeve (1) and right below the crosshead sliding sleeve (1), and the outlet end of the third first oil hole (13) is communicated with one of the first oil groove (22) and the second oil groove (23);
the second oil hole group (12) comprises three second oil holes (14) which are arranged along the radial direction, wherein two second oil holes (14) are respectively positioned right above the crosshead sliding sleeve (1) and right below the crosshead sliding sleeve (1), and the outlet end of the third second oil hole (14) is communicated with the other one of the first oil groove (22) and the second oil groove (23);
the crosshead pin (3) is provided with a central hole (31) along the self axial direction, and two ends of the central hole (31) are sealed;
the middle part of the crosshead pin (3) is provided with at least one third oil passing channel (32) which is communicated with the central hole (31) along the radial direction of the crosshead pin and is used for providing lubricating liquid for the bearing;
a first annular oil groove (33) and a second annular oil groove (34) are formed in the crosshead pin (3) along the circumferential direction;
a fourth oil passing channel (35) used for communicating the first annular oil groove (33) with the central hole (31) and a fifth oil passing channel (36) used for communicating the second annular oil groove (34) with the central hole (31) are formed in the crosshead pin (3);
the crosshead pin (3) is mounted in the crosshead pin hole (21) such that the first annular oil groove (33) communicates with the first oil passing passage (24) and the second annular oil groove (34) communicates with the second oil groove (23).
2. The lubrication structure of a crosshead assembly for a diaphragm pump according to claim 1, wherein: and a bearing (4) is arranged in the middle of the crosshead pin (3), and the outlet end of the third oil passing channel (32) is aligned to the surface of the inner ring of the bearing (4).
3. The lubrication structure of the crosshead assembly for a diaphragm pump according to claim 2, wherein the first oil groove (22) is offset by an angle α of 30 to 40 ° from a position right above the crosshead (2).
4. The lubrication structure of a crosshead assembly for a diaphragm pump according to claim 3, wherein: the first oil hole group (11) and the second oil hole group (12) are positioned in the middle of the crosshead sliding sleeve (1).
5. The lubrication structure of a crosshead assembly for a diaphragm pump according to claim 4, wherein: the axial distance between the first oil hole group (11) and the second oil hole group (12) is 80-100 mm.
6. The lubrication structure of a crosshead assembly for a diaphragm pump according to claim 5, wherein the first oil groove (22) is offset by an angle α of 35 ° from a position right above the crosshead (2);
the axial distance between the first oil hole group (11) and the second oil hole group (12) is 90 mm.
7. The lubrication structure of a crosshead assembly for a diaphragm pump according to claim 6, wherein: the number of the third oil passing channels (32) is 3 and the third oil passing channels are arranged in parallel.
8. The lubrication structure of a crosshead assembly for a diaphragm pump according to claim 7, wherein: the axis of the first oil passing channel (24) and the axis of the second oil passing channel (25) are perpendicular to the axis of the crosshead pin hole (21).
9. The lubrication structure of a crosshead assembly for a diaphragm pump according to claim 8, wherein: the axes of the fourth oil passing channel (35) and the fifth oil passing channel (36) are both vertical to the axis of the central hole (31).
CN201911386108.8A 2019-12-29 2019-12-29 Lubricating structure of crosshead assembly for diaphragm pump Active CN111140589B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911386108.8A CN111140589B (en) 2019-12-29 2019-12-29 Lubricating structure of crosshead assembly for diaphragm pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911386108.8A CN111140589B (en) 2019-12-29 2019-12-29 Lubricating structure of crosshead assembly for diaphragm pump

Publications (2)

Publication Number Publication Date
CN111140589A true CN111140589A (en) 2020-05-12
CN111140589B CN111140589B (en) 2020-12-18

Family

ID=70521452

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911386108.8A Active CN111140589B (en) 2019-12-29 2019-12-29 Lubricating structure of crosshead assembly for diaphragm pump

Country Status (1)

Country Link
CN (1) CN111140589B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2665441Y (en) * 2003-12-04 2004-12-22 中国石化集团江汉石油管理局第三机械厂 A reciprocating compressor crosshead assembly
CN201827067U (en) * 2010-10-29 2011-05-11 四川宏华石油设备有限公司 Lubricating structure of crosshead and crosshead pin for drill pump
GB2551203A (en) * 2016-06-10 2017-12-13 Delphi Int Operations Luxembourg Sarl Guiding arangement of high pressure pump
CN207539176U (en) * 2017-11-24 2018-06-26 台州三德汽车配件有限公司 One kind being capable of antiwear cross axle
JP2018155152A (en) * 2017-03-16 2018-10-04 日立建機株式会社 Swash plate-type hydraulic rotary machine
KR20190026031A (en) * 2016-08-24 2019-03-12 미츠비시 쥬고교 가부시키가이샤 Crosshead and furniture and crosshead type internal combustion engine
CN109695566A (en) * 2019-01-18 2019-04-30 郑国璋 A kind of sealing lubrication structure of plunger pump

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2665441Y (en) * 2003-12-04 2004-12-22 中国石化集团江汉石油管理局第三机械厂 A reciprocating compressor crosshead assembly
CN201827067U (en) * 2010-10-29 2011-05-11 四川宏华石油设备有限公司 Lubricating structure of crosshead and crosshead pin for drill pump
GB2551203A (en) * 2016-06-10 2017-12-13 Delphi Int Operations Luxembourg Sarl Guiding arangement of high pressure pump
KR20190026031A (en) * 2016-08-24 2019-03-12 미츠비시 쥬고교 가부시키가이샤 Crosshead and furniture and crosshead type internal combustion engine
JP2018155152A (en) * 2017-03-16 2018-10-04 日立建機株式会社 Swash plate-type hydraulic rotary machine
CN207539176U (en) * 2017-11-24 2018-06-26 台州三德汽车配件有限公司 One kind being capable of antiwear cross axle
CN109695566A (en) * 2019-01-18 2019-04-30 郑国璋 A kind of sealing lubrication structure of plunger pump

Also Published As

Publication number Publication date
CN111140589B (en) 2020-12-18

Similar Documents

Publication Publication Date Title
CN210127929U (en) Piston shoe for plunger pump and plunger type hydraulic pump
CN101876302A (en) Multi-cylinder reciprocating pump
CN102155371A (en) Reverse osmosis sea water desalinization high-pressure pump
CN103742378A (en) Radial plunger hydraulic pump adopting slide valves for flow distribution
CN110700980A (en) Injection pump guide piston assembly
CN111140589B (en) Lubricating structure of crosshead assembly for diaphragm pump
CN203239762U (en) Wear-resistant bearing bush
CN211975367U (en) Can improve lubricated effect's crosshead subassembly for diaphragm pump
CN101608607A (en) A kind of ultrahigh pressure plunger pump
CN105422346B (en) Big flow, high rotating speed rotator type high-pressure common rail variable pump plunger matching parts
CN110925159B (en) Axial plunger pump piston shoe of groove structure
CN101922425B (en) Axial plunger pump for increasing flow and sealing pressure
CN101542107A (en) High-pressure fuel feed pump
CN206419339U (en) The thrust surface lubrication system of steam turbine bearing
CN213655313U (en) Wear-resisting type uide bushing subassembly for hydraulic cylinder
CN113479797B (en) Circular telescopic arm structure of high accuracy location for engineering machine tool
CN106150687B (en) The power output device of internal combustion engine gear chamber
US2209224A (en) Pump or motor
CN201763492U (en) Tappet body component with lubrication structure
CN214196523U (en) Tappet body part structure suitable for high speed
CN110645129A (en) Marine low-speed machine electric control single high-pressure oil pump
CN204082464U (en) Arrange radial plunger pump more
CN221299385U (en) Floating sloping cam type plunger pump containing main shaft constant speed driving rotary disc transmission mechanism
CN102116279A (en) 4.5ml/r ultrahigh-pressure electro-hydraulic proportional control radial plunger pump
CN210623066U (en) Connecting rod connecting ring for horizontally opposed plunger pump

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20230803

Address after: No. 67, South Section of Aerospace West Road, Aerospace Base, Xi'an City, Shaanxi Province, 710199

Patentee after: ACADEMY OF AEROSPACE PROPULSION TECHNOLOGY

Patentee after: SHAANXI AEROSPACE POWER HIGH-TECH Co.,Ltd.

Address before: 710077 No. 78, Kam Yip Road, hi tech Zone, Shaanxi, Xi'an

Patentee before: SHAANXI AEROSPACE POWER HIGH-TECH Co.,Ltd.

TR01 Transfer of patent right