CN104121185A - Piston rod and crosshead body connection adjusting structure - Google Patents

Piston rod and crosshead body connection adjusting structure Download PDF

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Publication number
CN104121185A
CN104121185A CN201410382188.0A CN201410382188A CN104121185A CN 104121185 A CN104121185 A CN 104121185A CN 201410382188 A CN201410382188 A CN 201410382188A CN 104121185 A CN104121185 A CN 104121185A
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CN
China
Prior art keywords
crosshead body
adjustable
piston rod
flange
gasket
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Granted
Application number
CN201410382188.0A
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Chinese (zh)
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CN104121185B (en
Inventor
徐月兰
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Shengang Wuxi Compressor Co.,Ltd.
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Wuxi Compressor Co Ltd
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Priority to CN201410382188.0A priority Critical patent/CN104121185B/en
Publication of CN104121185A publication Critical patent/CN104121185A/en
Application granted granted Critical
Publication of CN104121185B publication Critical patent/CN104121185B/en
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Abstract

The invention provides a piston rod and crosshead body connection adjusting structure. The piston rod and crosshead body connection adjusting structure has the advantages of being convenient to install, good in manufacturability, safe, attractive and the like. After the radial gap of a piston rod is adjusted, all the other parts for adjustment can be detached, potential safety hazards are avoided, the parts are good in manufacturability, and meanwhile it can be guaranteed that adjustment can be performed many times. The piston rod and crosshead body connection adjusting structure comprises a crosshead body, a hydraulic nut, the piston rod, a gasket and a flange. The hydraulic nut is arranged in an inner hole in the front end of the crosshead body, the positioning face of the flange is fastened to the axial outer end face of the crosshead body through a bolt, the piston rod penetrates through a center hole of the flange and then is positioned to the hydraulic nut, and the gasket is arranged between the axial outer end face of the crosshead body and the positioning face of the flange. The piston rod and crosshead body connection adjusting structure is characterized in that the space between the inner end face of the gasket and the axial outer end face of the crosshead body is stuffed with the adjustable gasket, the adjustable gasket is in the shape of a flange, and an inner side convex shaft of the flange is sleeved with the adjustable gasket.

Description

A kind of piston rod is connected regulation structure with crosshead body
Technical field
The present invention relates to the linkage structure technical field of piston rod, be specially a kind of piston rod and be connected regulation structure with crosshead body.
Background technique
Technique reciprocating-piston compressor is a kind of every profession and trade that is widely used in.Crosshead body is to connect to make the connecting rod of oscillating motion and the reciprocating important parts of piston rod, and it has leading role.Crosshead body is by having multiple with piston rod Placement.Generally, for the type of the following piston force of 32T, adopt screw thread and flange on crosshead body screw and piston rod fastening.Large-tonnage piston force (general >=32T) type adopts to be seen shown in Fig. 1~Fig. 3, piston rod 6 ' is by hydraulic nut 2 ' clamping flange 4 ', with six bolts 5 ', rely on the method for hydraulicefficiency tightening, be fastened on the axial exterior edge face of crosshead body 1 ', it does not need to rotate by changing axial gap and the piston of thickness adjusting piston bar of pad 3 ', by regulating pad 7 ' and four to prop up the central position that tight bolt 8 ' changes piston rod, the i.e. radial clearance of piston rod.Although this kind of structure component are less, but regulate pad 7 ' to comprise, regulate part, fastening part, tapped hole part, make to regulate the technology capability of pad poor, more difficultly reach designing requirement, regulate pad 7 ' and four tight bolts 8 ' after adjusting completes, to need to be retained in piston rod 6 ' and crosshead body 1 ' linkage structure simultaneously, now propping up tight bolt must lock, when this makes unit work, regulate the radially adjustment member of pad 7 ' there is no activity surplus, increased potential safety hazard, also the aesthetic property of impact assembling.
Summary of the invention
For the problems referred to above, the invention provides a kind of piston rod and be connected regulation structure with crosshead body, there is the advantages such as easy for installation, good manufacturability, safety are attractive in appearance, after the radial clearance adjustment of piston rod completes, other regulate can complete removal with parts, without potential safety hazard, part process is good, also can guarantee repeatedly adjustable simultaneously.
A kind of piston rod is connected regulation structure with crosshead body, its technological scheme is such: it comprises crosshead body, hydraulic nut, piston rod, pad, flange, in the front end endoporus of described crosshead body, be furnished with described hydraulic nut, the locating face of described flange by bolton in the axial exterior edge face of described crosshead body, described piston rod is positioned described hydraulic nut after running through the center hole of described flange, the axial exterior edge face of described crosshead body, between the locating face of flange, be provided with pad, it is characterized in that: between the axial exterior edge face of the interior edge face of described pad and described crosshead body, plug is equipped with adjustable gasket, described adjustable gasket is the adjustable gasket of flange shape, described adjustable gasket is set in the protruding axle in inner side of described flange, the axial outer ring surface of described crosshead body is set with adjustable circle, compressing tablet is distributed in the outer ring surface of described adjustable circle by adjusting bolt, the outer ring surface of described adjustable gasket is close in the lower end surface in the outside of described compressing tablet, described bolt runs through described flange successively, pad, after adjustable gasket, be anchored on the axial exterior edge face of crosshead body.
It is further characterized in that: described adjustable circle comprises two semi-circular structure, between two semi-circular structure, by yoke configurations, is fastenedly connected and is formed integral body;
The interior edge face of the lower end in the outside of described compressing tablet is close to the exterior edge face of adjustable circle;
Adjustable cavity is left in the central position of the outer ring surface towards described adjustable circle of described compressing tablet, described adjusting bolt run through be anchored on after corresponding described compressing tablet, adjustable cavity described adjustable enclose in positioning hole;
Described compressing tablet is specially four, and four described compressing tablets are distributed in the outer ring surface of described adjustable circle.
Adopt after structure of the present invention, this structure is by adjustable circle, adjusting bolt, compressing tablet, change the central position of piston rod with the combination of adjustable gasket, it is easy for installation, good manufacturability, safety is attractive in appearance, because compressing tablet and adjusting bolt are distributed on adjustable circle circumference, by adjusting bolt, change the radial clearance of adjustable gasket, adjustable gasket drives bolt adjustment, flange is adjusted relatively, and then the central position of change piston rod, after the radial clearance adjustment of piston rod completes, except adjustable gasket other regulate can complete removal with parts, without potential safety hazard, adjustable gasket processing technology is convenient, also can guarantee repeatedly adjustable simultaneously.
Accompanying drawing explanation
Fig. 1 is that existing piston rod is connected regulation structure schematic diagram with crosshead body;
Fig. 2 is existing adjusting pad schematic diagram;
Fig. 3 adopts back piston bar of the present invention to be connected regulation structure schematic diagram with crosshead body;
Fig. 4 is regulation structure combination schematic diagram of the present invention;
Fig. 5 is adjustable circle schematic diagram of the present invention;
Fig. 6 is adjustable compressing tablet schematic diagram of the present invention;
Fig. 7 is adjustable gasket schematic diagram of the present invention.
Embodiment
A kind of piston rod is connected regulation structure with crosshead body, see Fig. 3~Fig. 7: it comprises crosshead body 1, hydraulic nut 2, piston rod 6, pad 3, flange 4, in the front end endoporus of crosshead body 1, be furnished with hydraulic nut 2, piston rod 6 is positioned hydraulic nut 2 after running through the center hole 9 of flange 4, the axial exterior edge face of crosshead body 1, between the locating face of flange 4, be provided with pad 3, between the axial exterior edge face of the interior edge face of pad 3 and crosshead body 1, plug is equipped with adjustable gasket 10, adjustable gasket 10 is the adjustable gasket of flange shape, adjustable gasket 10 is set in the protruding axle 11 in inner side of flange 4, the axial outer ring surface of crosshead body 1 is set with adjustable circle 12, compressing tablet 13 is distributed in the outer ring surface of adjustable circle 12 by adjusting bolt 14, the outer ring surface of adjustable gasket 10 is close in the lower end surface in the outside 15 of compressing tablet 13, bolt 5 runs through flange 4 successively, pad 3, after adjustable gasket 10, be anchored on the axial exterior edge face of crosshead body 1, bolt 5 has six, it is distributed in the axial exterior edge face of crosshead body 1.
Adjustable circle 12 comprises two semi-circular structure, between two semi-circular structure, by yoke configurations 16, is fastenedly connected and is formed integral body; After adjustment completes, unclamp yoke configurations 16 and can complete the dismounting for adjustable circle 12;
The interior edge face of the lower end in the outside 15 of compressing tablet 13 is close to the exterior edge face of adjustable circle 12, can guarantee the reliable of adjustment;
Adjustable cavity 17 is left in the central position of the outer ring surface towards adjustable circle 12 of compressing tablet 13, and adjusting bolt 14 is anchored in the positioning hole 18 of adjustable circle 12 after running through corresponding compressing tablet 13, adjustable cavity 17; When adjustable cavity guarantees that adjusting bolt 14 tightens or loosens, compressing tablet 13 integral body can be along moving radially, and then the lower end surface in the outside of compressing tablet 13 is moved;
Compressing tablet 13 is specially four, and four compressing tablets 13 are distributed in the outer ring surface of adjustable circle 12, and four compressing tablets 13 guarantee that adjustment can be according to any independent assortment of actual conditions.
After operation a period of time, find that piston rod 6 inclination amount surpass permitted value, can regulate again.

Claims (5)

1. a piston rod is connected regulation structure with crosshead body, it comprises crosshead body, hydraulic nut, piston rod, pad, flange, in the front end endoporus of described crosshead body, be furnished with described hydraulic nut, the locating face of described flange by bolton in the axial exterior edge face of described crosshead body, described piston rod is positioned described hydraulic nut after running through the center hole of described flange, the axial exterior edge face of described crosshead body, between the locating face of flange, be provided with pad, it is characterized in that: between the axial exterior edge face of the interior edge face of described pad and described crosshead body, plug is equipped with adjustable gasket, described adjustable gasket is the adjustable gasket of flange shape, described adjustable gasket is set in the protruding axle in inner side of described flange, the axial outer ring surface of described crosshead body is set with adjustable circle, compressing tablet is distributed in the outer ring surface of described adjustable circle by adjusting bolt, the outer ring surface of described adjustable gasket is close in the lower end surface in the outside of described compressing tablet, described bolt runs through described flange successively, pad, after adjustable gasket, be anchored on the axial exterior edge face of crosshead body.
2. a kind of piston rod according to claim 1 is connected regulation structure with crosshead body, it is characterized in that: described adjustable circle comprises two semi-circular structure, between two semi-circular structure, by yoke configurations, is fastenedly connected and is formed integral body.
3. a kind of piston rod according to claim 2 is connected regulation structure with crosshead body, it is characterized in that: the interior edge face of the lower end in the outside of described compressing tablet is close to the exterior edge face of adjustable circle.
4. a kind of piston rod according to claim 3 is connected regulation structure with crosshead body, it is characterized in that: adjustable cavity is left in the central position of the outer ring surface towards described adjustable circle of described compressing tablet, described adjusting bolt run through be anchored on after corresponding described compressing tablet, adjustable cavity described adjustable enclose in positioning hole.
5. a kind of piston rod according to claim 4 is connected regulation structure with crosshead body, it is characterized in that: described compressing tablet is specially four, and four described compressing tablets are distributed in the outer ring surface of described adjustable circle.
CN201410382188.0A 2014-08-06 2014-08-06 A kind of piston rod is connected adjustment structure with crosshead body Active CN104121185B (en)

Priority Applications (1)

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CN201410382188.0A CN104121185B (en) 2014-08-06 2014-08-06 A kind of piston rod is connected adjustment structure with crosshead body

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Application Number Priority Date Filing Date Title
CN201410382188.0A CN104121185B (en) 2014-08-06 2014-08-06 A kind of piston rod is connected adjustment structure with crosshead body

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CN104121185A true CN104121185A (en) 2014-10-29
CN104121185B CN104121185B (en) 2016-05-11

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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106194660A (en) * 2016-09-20 2016-12-07 沈阳佳信压缩机制造有限公司 The flange connection that crosshead body is connected with piston rod
CN107237736A (en) * 2017-06-29 2017-10-10 江苏锡压石化装备有限公司 A kind of vertical compressor for being applicable high temperature gas medium
CN107605706A (en) * 2017-11-07 2018-01-19 蚌埠高科瑞力压缩机有限公司 A kind of piston compressor easily assembling type fastening-connecting device
CN107630804A (en) * 2017-11-07 2018-01-26 蚌埠高科瑞力压缩机有限公司 A kind of piston type compressor fastening-connecting device
CN107701402A (en) * 2017-11-07 2018-02-16 蚌埠高科瑞力压缩机有限公司 A kind of split type fastener for crosshead part
CN107829910A (en) * 2017-11-07 2018-03-23 蚌埠高科瑞力压缩机有限公司 A kind of piston compressor spiral fixed fastening-connecting device
CN107882715A (en) * 2017-11-07 2018-04-06 蚌埠高科瑞力压缩机有限公司 One kind has the telescopic crosshead component fastening device of overhead
CN107882722A (en) * 2017-11-07 2018-04-06 蚌埠高科瑞力压缩机有限公司 A kind of convertible fastener of stretching for crosshead part
CN107882714A (en) * 2017-11-07 2018-04-06 蚌埠高科瑞力压缩机有限公司 A kind of piston compressor built-in elastic latch segment is stably connected with device
CN107906199A (en) * 2017-11-07 2018-04-13 蚌埠高科瑞力压缩机有限公司 One kind has the convertible crosshead component fastening device of screw thread
CN108730174A (en) * 2018-05-15 2018-11-02 宝鸡石油机械有限责任公司 A kind of fine-tuning wellbore pump piston rod adaptive positioning device

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649342A (en) * 1948-03-06 1953-08-18 Emsco Mfg Company Cross-head connection
US5778759A (en) * 1996-11-15 1998-07-14 Phoenix Energy Products, Incorporated Self-aligning piston rod
CN2305503Y (en) * 1997-01-06 1999-01-27 何礼 Automatic regulating diameter piston for petroleum drill slurry pump
CN2758526Y (en) * 2003-12-24 2006-02-15 沈阳气体压缩机股份有限公司 Crosshead hydraulic jointing fastener
CN201368017Y (en) * 2009-03-13 2009-12-23 上海电气压缩机泵业有限公司 Compressor flange-type crosshead with adjusting disc
CN201420662Y (en) * 2009-03-31 2010-03-10 安瑞科(蚌埠)压缩机有限公司 Flange-thread connected tightening cross head
CN204152780U (en) * 2014-08-06 2015-02-11 无锡压缩机股份有限公司 A kind of piston rod is connected regulation structure with crosshead body

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649342A (en) * 1948-03-06 1953-08-18 Emsco Mfg Company Cross-head connection
US5778759A (en) * 1996-11-15 1998-07-14 Phoenix Energy Products, Incorporated Self-aligning piston rod
CN2305503Y (en) * 1997-01-06 1999-01-27 何礼 Automatic regulating diameter piston for petroleum drill slurry pump
CN2758526Y (en) * 2003-12-24 2006-02-15 沈阳气体压缩机股份有限公司 Crosshead hydraulic jointing fastener
CN201368017Y (en) * 2009-03-13 2009-12-23 上海电气压缩机泵业有限公司 Compressor flange-type crosshead with adjusting disc
CN201420662Y (en) * 2009-03-31 2010-03-10 安瑞科(蚌埠)压缩机有限公司 Flange-thread connected tightening cross head
CN204152780U (en) * 2014-08-06 2015-02-11 无锡压缩机股份有限公司 A kind of piston rod is connected regulation structure with crosshead body

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106194660A (en) * 2016-09-20 2016-12-07 沈阳佳信压缩机制造有限公司 The flange connection that crosshead body is connected with piston rod
CN106194660B (en) * 2016-09-20 2018-01-02 沈阳佳信压缩机制造有限公司 The flange connection that crosshead body is connected with piston rod
CN107237736A (en) * 2017-06-29 2017-10-10 江苏锡压石化装备有限公司 A kind of vertical compressor for being applicable high temperature gas medium
CN107829910A (en) * 2017-11-07 2018-03-23 蚌埠高科瑞力压缩机有限公司 A kind of piston compressor spiral fixed fastening-connecting device
CN107630804A (en) * 2017-11-07 2018-01-26 蚌埠高科瑞力压缩机有限公司 A kind of piston type compressor fastening-connecting device
CN107701402A (en) * 2017-11-07 2018-02-16 蚌埠高科瑞力压缩机有限公司 A kind of split type fastener for crosshead part
CN107605706A (en) * 2017-11-07 2018-01-19 蚌埠高科瑞力压缩机有限公司 A kind of piston compressor easily assembling type fastening-connecting device
CN107882715A (en) * 2017-11-07 2018-04-06 蚌埠高科瑞力压缩机有限公司 One kind has the telescopic crosshead component fastening device of overhead
CN107882722A (en) * 2017-11-07 2018-04-06 蚌埠高科瑞力压缩机有限公司 A kind of convertible fastener of stretching for crosshead part
CN107882714A (en) * 2017-11-07 2018-04-06 蚌埠高科瑞力压缩机有限公司 A kind of piston compressor built-in elastic latch segment is stably connected with device
CN107906199A (en) * 2017-11-07 2018-04-13 蚌埠高科瑞力压缩机有限公司 One kind has the convertible crosshead component fastening device of screw thread
CN107829910B (en) * 2017-11-07 2019-12-03 蚌埠高科瑞力压缩机有限公司 A kind of piston compressor spiral fixed fastening-connecting device
CN107882715B (en) * 2017-11-07 2020-06-26 蚌埠高科瑞力压缩机有限公司 Fastening device with overhead telescopic crosshead part
CN108730174A (en) * 2018-05-15 2018-11-02 宝鸡石油机械有限责任公司 A kind of fine-tuning wellbore pump piston rod adaptive positioning device

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Address after: 214145 No. 199, xixie Road, Hongshan street, Xinwu District, Wuxi City, Jiangsu Province

Patentee after: Shengang Wuxi Compressor Co.,Ltd.

Address before: 214145 xixie Road East, Wuxi, Jiangsu.

Patentee before: WUXI COMPRESSOR Co.,Ltd.