CN208605315U - A kind of superhigh pressure three-cylinder reciprocating pump - Google Patents

A kind of superhigh pressure three-cylinder reciprocating pump Download PDF

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Publication number
CN208605315U
CN208605315U CN201821041193.5U CN201821041193U CN208605315U CN 208605315 U CN208605315 U CN 208605315U CN 201821041193 U CN201821041193 U CN 201821041193U CN 208605315 U CN208605315 U CN 208605315U
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China
Prior art keywords
plunger
base
valve
connecting rod
reciprocating pump
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CN201821041193.5U
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Chinese (zh)
Inventor
李耀良
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Wuxi Hercules High Pressure Cleaning Equipment Co Ltd
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Wuxi Hercules High Pressure Cleaning Equipment Co Ltd
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Priority to CN201821041193.5U priority Critical patent/CN208605315U/en
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Abstract

The utility model provides a kind of superhigh pressure three-cylinder reciprocating pump, including power end, fluid end and control terminal, and the power end, fluid end and control terminal are successively linked in sequence, and the power end includes base, pedestal, crankshaft, connecting rod, filter and coupling bar;The base is fixedly installed in pedestal upper end;The base rear end is closed by rear end cap to be arranged;The base front end is closed by seal box to be arranged;Installation is equipped with bearing shell on the crankshaft;One end of the connecting rod is radially articulated on crankshaft by bearing shell;The other end of the connecting rod connects coupling bar by crosshead;The filter is set on base;The fluid end includes the pump housing, combination valve component, plunger and stuffing-box;The coupling bar is connect by plunger attachment base with plunger;The other end of the plunger is connect with combination valve component;The control terminal includes pressure regulator valve, safety valve and pressure display instrument table.The utility model structure is simple, is easy dismounting, and sealing effect significantly improves.

Description

A kind of superhigh pressure three-cylinder reciprocating pump
Technical field
The utility model relates to reciprocating type plunger pump technical field, specifically a kind of superhigh pressure three-cylinder reciprocating pump.
Background technique
The structure of reciprocating plunger pump includes two parts, and a part is fluid end, and another part is power end.Fluid end is Liquid is conveyed, mechanical energy is converted to the pressure energy of liquid, is the working portion of reciprocating high-pressure plunger pump;Power end is entire Pump provides the part of power.Existing tri-plunger high pressure pump, specific power volume and weight is larger, and the pump housing is heavy, and noise is big, pressure Changes in flow rate range is smaller, and versatility is low, and sealing ring is easy leak, and plunger sealing is unreliable, the working time is short.It is unable to satisfy stone Change, mining industry, the requirement of the fluid conveying of refinery and industrial water jet cleaning field being used continuously for a long time.
Summary of the invention
The technical problems to be solved in the utility model is to overcome existing defect, and it is more stable to provide a kind of power output, drop Low noise extends the superhigh pressure three-cylinder reciprocating pump of service life compared with less wear.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
A kind of superhigh pressure three-cylinder reciprocating pump, including power end, fluid end and control terminal, the power end, fluid end and control End processed is successively linked in sequence, and the power end includes base, pedestal, crankshaft, connecting rod, filter and coupling bar;The base It is fixedly installed in pedestal upper end;The base rear end is closed by rear end cap to be arranged;It is closed by seal box the base front end Setting;Installation is equipped with bearing shell on the crankshaft;One end of the connecting rod is radially articulated on crankshaft by bearing shell;The connecting rod The other end connects coupling bar by crosshead;The filter is set on base;The fluid end includes the pump housing, combination valve group Part, plunger and stuffing-box;The coupling bar is connect by plunger attachment base with plunger;The other end and combination valve of the plunger Component connection;The control terminal includes pressure regulator valve, safety valve and pressure display instrument table.
Further, the pedestal is equipped with the logical lid of bearing, the first gland, plain cushion, bearing boring cover, the second gland and axis It holds;The plain cushion is equipped with bolt;The bearing boring cover is equipped with bearing Cover Gasket.
Further, the combination valve component includes valve seat, spool, valve block, valve spring and spring base;The valve seat, Valve block, valve spring and spring base are set to the both ends of spool;The valve seat is connect with valve block;The valve spring is set on spring base.
Further, the stuffing-box includes that plunger mat, water seal seat, letter body pressing plate, compression ring, guide copper sleeve, plunger are close
Seal, support copper sheathing, support spring, plunger copper sheathing and high pressure cylinder sleeve;The plunger mat is equipped with locking nut;Institute Water seal seat is stated equipped with hole retaining ring.
Further, the upper and lower side of the coupling bar is equipped with outside framework oil seal.
Further, the connecting rod is fixed with crosshead connecting pin by crosshead pin.
A kind of superhigh pressure three-cylinder reciprocating pump of the utility model, structure is simple, is easy dismounting, and pump head and main valve seat use The sealing of semicircle sealing ring, plunger uses Special seal structure, and sealing effect significantly improves, and can bear the super-pressure of 340Mpa Power reduces the noise generated when work, and according to different requirements, fluid end can use low, medium and high pressure three simultaneously Kind fluid end, and the dress that different pressures and flow may be implemented changes, and is provided with water cooling block, the cooling back-plunger seal assembly of plunger Service life increase 5 times or more.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the utility model structure diagram;
Fig. 2 is the utility model power end sectional view;
Fig. 3 is the utility model combination valve component structure diagram;
Fig. 4 is the utility model pump body structure schematic diagram.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figures 1 to 4, a kind of superhigh pressure three-cylinder reciprocating pump of the utility model, including power end 1, fluid end 2 and control End 3 processed, the power end 1, fluid end 2 and control terminal 3 are successively linked in sequence, the power end 1 include base 4, pedestal 5, Crankshaft 6, connecting rod 7, filter 8 and coupling bar 9;The base 4 is fixedly installed in 5 upper end of pedestal;After 4 rear end of base passes through The closing setting of end cap 10;4 front end of base passes through the closing setting of seal box 11;Installation is equipped with bearing shell 12 on the crankshaft 6;Institute The one end for stating connecting rod 7 is articulated on crankshaft 6 by the way that bearing shell 12 is radial;The other end of the connecting rod 7 passes through the connection connection of crosshead 13 Extension bar 9;The filter 8 is set on base 4;The fluid end 2 includes the pump housing 14, combination valve component 15, plunger 16 and fills out Expect letter 17;The coupling bar 9 is connect by plunger attachment base 18 with plunger 16;The other end and combination valve group of the plunger 16 Part 15 connects;The control terminal 3 includes pressure regulator valve 19, safety valve 20 and pressure display instrument table 21;The pedestal 5 is equipped with bearing Logical lid 501, the first gland 502, plain cushion 503, bearing boring cover 504, the second gland 505 and bearing 506;It is set on the plain cushion 503 There is bolt 507;The bearing boring cover 504 is equipped with bearing Cover Gasket 508;The combination valve component 15 includes valve seat 151, spool 152, valve block 153, valve spring 154 and spring base 155;The valve seat 151, valve block 153, valve spring 154 and spring base 155 are set to The both ends of spool 152;The valve seat 151 is connect with valve block 153;The valve spring 154 is set on spring base 155;The filler Letter 17 includes plunger mat 1701, water seal seat 1702, letter body pressing plate 1703, compression ring 1704, guide copper sleeve 1705, plunger sealing washer 1706, copper sheathing 1707, support spring 1708, plunger copper sheathing 1709 and high pressure cylinder sleeve 1710 are supported;It is set in the plunger mat 1701 There is locking nut 1711;The water seal seat 1702 is equipped with hole retaining ring 1712;The upper and lower side of the coupling bar 9 is equipped with skeleton oil Envelope 91;The connecting rod 7 is fixed by crosshead pin 22 with 13 connecting pin of crosshead.
A kind of superhigh pressure three-cylinder reciprocating pump of the utility model, 6 length of high pressure pump crankcase effectively shorten, three 6 diameters of axle of crankshaft It increases and shortens simultaneously, it is quenched to be refined after its 6 face Nitrizing Treatment of crankshaft later, surface hardness and roughness are improved, is improved bent Axis 6 continuously runs ability and fatigue resistance in heavy loads.Combination valve component 15 is provided only with a spring, and spring is located at On spring base 155, spring base 155 is threadedly secured on spool 152, and the spring other side is pressed on feed liquor valve plate, and valve plate is in spring Active force under be pressed on valve seat 151, spool 152 is through 151 inner hole of valve seat, and other one of spool 152 has a conical surface, the conical surface with The 151 inner hole conical surface of valve seat is mutually matched.The control terminal 3 of the pump housing 14 is equipped with the pressure regulator valve 19 of pilot-operated type principle, sets in a valve body There are two sets of spool valve seats of size, adjust the overflow pressure regulation of small valve core valve seat using external force and cooperate pressure difference, controls big valve core valve seat to adjust The pressure of the whole entire pumping system of control.
A kind of superhigh pressure three-cylinder reciprocating pump of the utility model, structure is simple, is easy dismounting, and pump head and main valve seat use The sealing of semicircle sealing ring, plunger uses Special seal structure, and sealing effect significantly improves, and can bear the super-pressure of 340Mpa Power reduces the noise generated when work, and according to different requirements, fluid end can use low, medium and high pressure three simultaneously Kind fluid end, and the dress that different pressures and flow may be implemented changes, and is provided with water cooling block, the cooling back-plunger seal assembly of plunger Service life increase 5 times or more.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical Within novel protection scope.

Claims (6)

1. a kind of superhigh pressure three-cylinder reciprocating pump, including power end, fluid end and control terminal, the power end, fluid end and control End is successively linked in sequence, it is characterized in that: the power end includes base, pedestal, crankshaft, connecting rod, filter and coupling bar;Institute It states base and is fixedly installed in pedestal upper end;The base rear end is closed by rear end cap to be arranged;The base front end passes through sealing Box closing setting;Installation is equipped with bearing shell on the crankshaft;One end of the connecting rod is radially articulated on crankshaft by bearing shell;It is described The other end of connecting rod connects coupling bar by crosshead;The filter is set on base;The fluid end includes the pump housing, into row Liquid valve module, plunger and stuffing-box;The coupling bar is connect by plunger attachment base with plunger;The other end of the plunger with into The connection of drain valve module;The control terminal includes pressure regulator valve, safety valve and pressure display instrument table.
2. a kind of superhigh pressure three-cylinder reciprocating pump according to claim 1, it is characterized in that: the pedestal is logical equipped with bearing Lid, the first gland, plain cushion, bearing boring cover, the second gland and bearing;The plain cushion is equipped with bolt;It is set on the bearing boring cover There is bearing Cover Gasket.
3. a kind of superhigh pressure three-cylinder reciprocating pump according to claim 1, it is characterized in that: the combination valve component includes valve Seat, spool, valve block, valve spring and spring base;The valve seat, valve block, valve spring and spring base are set to the both ends of spool;The valve Seat is connect with valve block;The valve spring is set on spring base.
4. a kind of superhigh pressure three-cylinder reciprocating pump according to claim 1, it is characterized in that: the stuffing-box include plunger mat, Water seal seat, letter body pressing plate, compression ring, guide copper sleeve, plunger sealing washer, support copper sheathing, support spring, plunger copper sheathing and high pressure cylinder Set;The plunger mat is equipped with locking nut;The water seal seat is equipped with hole retaining ring.
5. a kind of superhigh pressure three-cylinder reciprocating pump according to claim 1, it is characterized in that: the upper and lower side of the coupling bar is equipped with Outside framework oil seal.
6. a kind of superhigh pressure three-cylinder reciprocating pump according to claim 1, it is characterized in that: the connecting rod and crosshead connecting pin It is fixed by crosshead pin.
CN201821041193.5U 2018-07-03 2018-07-03 A kind of superhigh pressure three-cylinder reciprocating pump Active CN208605315U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821041193.5U CN208605315U (en) 2018-07-03 2018-07-03 A kind of superhigh pressure three-cylinder reciprocating pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821041193.5U CN208605315U (en) 2018-07-03 2018-07-03 A kind of superhigh pressure three-cylinder reciprocating pump

Publications (1)

Publication Number Publication Date
CN208605315U true CN208605315U (en) 2019-03-15

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Application Number Title Priority Date Filing Date
CN201821041193.5U Active CN208605315U (en) 2018-07-03 2018-07-03 A kind of superhigh pressure three-cylinder reciprocating pump

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112302896A (en) * 2020-11-12 2021-02-02 中国神华煤制油化工有限公司鄂尔多斯煤制油分公司 Reciprocating pump for conveying high-temperature high-pressure solid-containing medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112302896A (en) * 2020-11-12 2021-02-02 中国神华煤制油化工有限公司鄂尔多斯煤制油分公司 Reciprocating pump for conveying high-temperature high-pressure solid-containing medium

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