CN111022302A - Crosshead sliding sleeve structure for diaphragm pump and sliding sleeve box - Google Patents

Crosshead sliding sleeve structure for diaphragm pump and sliding sleeve box Download PDF

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Publication number
CN111022302A
CN111022302A CN201911386111.XA CN201911386111A CN111022302A CN 111022302 A CN111022302 A CN 111022302A CN 201911386111 A CN201911386111 A CN 201911386111A CN 111022302 A CN111022302 A CN 111022302A
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CN
China
Prior art keywords
annular
cylinder body
support plate
connecting plate
rectangular support
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.)
Pending
Application number
CN201911386111.XA
Other languages
Chinese (zh)
Inventor
胡先君
许岳峻
文定良
曾伟
刘强
王彦海
刘胜华
李峰
金忠升
祁文
王建成
屈卫德
付岳峰
蒋科
左仓
卢飚
王贵
赵军
宁轩
段鹏飞
何宝义
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.)
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 CN201911386111.XA priority Critical patent/CN111022302A/en
Publication of CN111022302A publication Critical patent/CN111022302A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B43/00Machines, pumps, or pumping installations having flexible working members
    • F04B43/02Machines, pumps, or pumping installations having flexible working members having plate-like flexible members, e.g. diaphragms
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/18Lubricating
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04BPOSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B53/00Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
    • F04B53/22Arrangements for enabling ready assembly or disassembly

Abstract

The invention provides a crosshead sliding sleeve structure for a diaphragm pump and a sliding sleeve box, which solve the problems that the existing crosshead sliding sleeve is of a guide plate type structure, the assembly process is complex, errors exist in assembly, and an upper guide plate and a lower guide plate are easy to loosen in the working process. The sliding sleeve structure comprises a cylinder body and an annular connecting plate connected to one end of the cylinder body; the wall of the cylinder body is radially provided with an oil hole; the wall of the barrel is provided with a long hole, and the length direction of the long hole is parallel to the axis of the barrel; the middle part of the annular connecting plate is provided with a through hole, and the annular connecting plate is provided with a plurality of mounting holes used for being connected with an external rack. The sliding sleeve box comprises a frame and a crosshead sliding sleeve structure for the diaphragm pump; the cylinder body is sleeved in the rack; the rack is provided with a plurality of second threaded holes matched with the mounting holes, and the annular connecting plate is fixed with the rack by sequentially penetrating the mounting holes and the second threaded holes through bolts.

Description

Crosshead sliding sleeve structure for diaphragm pump and sliding sleeve box
Technical Field
The invention relates to the technology of diaphragm pumps, in particular to a crosshead sliding sleeve structure for a diaphragm pump and a sliding sleeve box.
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. The utility model provides a diaphragm pump includes frame, cross head sliding sleeve, cross head and cross head round pin, and the cross head sliding sleeve sets up in the frame, and the cross head setting just can be relative the reciprocal linear motion of cross head sliding sleeve in the cross head sliding sleeve.
A crosshead sliding sleeve adopts a guide plate type structure as shown in figures 1 and 2, and comprises an upper guide plate 01 and a lower guide plate 02, wherein the upper guide plate 01 and the lower guide plate 02 have the same structure; generally, the upper guide plate 01 is made of gray cast iron, the lower guide plate 02 is of a cast copper structure, and the crosshead sliding sleeve and the rack are matched and connected in the following two modes: firstly, mounting holes 03 are formed in an upper guide plate 01 and a lower guide plate 02, the upper guide plate 01 and the lower guide plate 02 are connected with the mounting holes 03 through bolts 04, and the upper guide plate 01 and the lower guide plate 02 are fixed with a rack 05; the upper guide plate 01 and the lower guide plate 02 of the crosshead sliding sleeve need to be symmetrically installed on the rack 05, and in the installation process, the upper guide plate 01 and the lower guide plate 02 need to be positioned and assembled, so that the assembly process is complex; when the upper guide plate 01 and the lower guide plate 02 are positioned and assembled, installation errors exist, and the upper guide plate and the lower guide plate are easy to loosen in the working process; secondly, when the requirement on the machining precision is high, the rear ends (the ends close to the plungers) of the upper guide plate 01 and the lower guide plate 02 and the rack 05 are assembled and positioned through a dovetail groove structure, and then the rear ends and the rack 05 are fixed through the matching of bolts and mounting holes, so that the guide plates can be prevented from loosening; if the positioning position of the bolt is far away from the front end of the guide plate, the front part of the guide plate deforms in the using process, so that the service life of the crosshead sliding sleeve is shortened; in addition, the dovetail groove is difficult to machine and repair, so that the cost is increased.
Disclosure of Invention
The invention provides a crosshead sliding sleeve structure for a diaphragm pump and a sliding sleeve box, aiming at solving the technical problems that an existing crosshead sliding sleeve is of a guide plate type structure, the assembly process is complex, errors exist in assembly, an upper guide plate and a lower guide plate are easy to loosen in the working process, and the crosshead sliding sleeve is short in service life and high in cost due to dovetail groove positioning.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the utility model provides a crosshead sliding sleeve structure for diaphragm pump which characterized in that: comprises a cylinder body and an annular connecting plate connected with one end of the cylinder body;
the wall of the cylinder body is radially provided with an oil hole;
the wall of the barrel is provided with a long hole, and the length direction of the long hole is parallel to the axis of the barrel;
the middle part of the annular connecting plate is provided with a through hole, and the annular connecting plate is provided with a plurality of mounting holes used for being connected with an external rack.
Furthermore, one end of the cylinder body, which is close to the annular connecting plate, is provided with a plurality of first threaded holes along the circumferential direction;
the annular connecting plate is provided with a plurality of first through holes matched with the first threaded holes along the circumferential direction, and the annular connecting plate is fixed with the barrel body through the bolts sequentially penetrating through the first through holes and the first threaded holes.
Further, the cylinder is machined by adopting a forging.
Meanwhile, the invention provides a crosshead sliding sleeve box for a diaphragm pump, which is characterized in that: the crosshead sliding sleeve structure for the diaphragm pump comprises a frame and the crosshead sliding sleeve structure for the diaphragm pump;
the cylinder body is sleeved in the rack;
the rack is provided with a plurality of second threaded holes matched with the mounting holes, and the annular connecting plate is fixed with the rack by sequentially penetrating the mounting holes and the second threaded holes through bolts.
Furthermore, the rack comprises four side plates, a front rectangular support plate, a middle rectangular support plate and a rear rectangular support plate which are sequentially arranged in parallel; the four side plates are connected end to form a rectangular frame; the front rectangular support plate, the middle rectangular support plate and the rear rectangular support plate are all provided with central holes for the cylinder to pass through;
the front rectangular support plate is arranged at an opening at one side of the rectangular frame, and the rear rectangular support plate is arranged at an opening at the other side of the rectangular frame to form a sealed chamber; the outer surface of the cylinder body is provided with a plurality of annular bosses matched with the inner annular surface of the rectangular support plate along the circumferential direction; the annular connecting plate is connected with the rear rectangular supporting plate.
Further, the outer diameters of the annular bosses decrease from being close to the annular connecting plate to being far away from the annular connecting plate.
Further, the ratio of the outer diameter of the annular boss to the outer diameter of the cylinder body is 1.001-1.1; the middle rectangular supporting plate adopts a split structure.
Further, the number of the annular bosses is 3; the 3 annular bosses are respectively a first annular boss, a second annular boss and a third annular boss;
the first annular boss and the third annular boss are positioned at two ends of the cylinder body, and the third annular boss is arranged close to the annular connecting plate; the second annular boss is positioned in the middle of the cylinder body;
the ratio of the outer diameter of the first annular boss to the outer diameter of the cylinder body is 1.003;
the ratio of the outer diameter of the second annular boss to the outer diameter of the cylinder body is 1.009;
the ratio of the outer diameter of the third annular boss to the outer diameter of the cylinder body is 1.014;
the aperture of the front rectangular support plate is equal to the outer diameter of the first annular boss, the aperture of the middle rectangular support plate is equal to the outer diameter of the second annular boss, and the aperture of the rear rectangular support plate is equal to the outer diameters of the three annular bosses.
Furthermore, the end face, close to the rear rectangular support plate, of the annular connecting plate is provided with an annular protrusion, and the outer diameter of the annular protrusion is equal to the inner diameter of the rear rectangular support plate.
Furthermore, a plurality of hoisting holes are formed in one end, far away from the annular connecting plate, of the cylinder body in the circumferential direction.
Compared with the prior art, the invention has the advantages that:
1. the crosshead sliding sleeve structure is an integral structure, the barrel is only required to be installed in an external rack in the assembling process, the annular connecting plate is connected with the rack, positioning is not required, and the assembling process is simple.
2. The cylinder body is processed by adopting the forged piece, the strength is better than that of a common casting, and the service life is long.
3. The crosshead sliding sleeve box inner frame consists of a rectangular supporting plate and a side plate, and is light in weight; the rectangular support plate of the frame is matched with the annular boss, so that the length of the matched size is reduced, the position of the cylinder body can be well positioned, and the assembly process of the crosshead sliding sleeve structure and the frame is simple; because the annular connecting plate is connected with the cylinder body and the frame at the same time, the cylinder body can not move and loosen in the movement process of the crosshead in the cylinder body; in addition, the disassembly is simple, only the bolts need to be disassembled, the rack is not damaged, manpower and material resources are reduced, and the disassembly time is shortened.
4. The outer diameters of the annular bosses are sequentially reduced from the position close to the annular connecting plate to the position far away from the annular connecting plate, so that the assembly is facilitated.
5. The middle rectangular support plate in the crosshead sliding sleeve box is of a split structure, and is convenient to mount, dismount and replace.
6. In order to facilitate assembly, a plurality of hoisting holes are formed in the barrel.
Drawings
FIG. 1 is a schematic structural diagram of a conventional crosshead shoe;
FIG. 2 is a schematic view of the assembly of an upper guide plate and a frame in a conventional crosshead slide sleeve;
in fig. 1 and 2, the reference numerals are as follows:
01-upper guide plate, 02-lower guide plate, 03-mounting hole, 04-bolt, 05-frame.
FIG. 3 is a schematic view of the crosshead shoe box for the diaphragm pump of the present invention;
FIG. 4 is a schematic perspective view of the cartridge of the present invention;
FIG. 5 is a schematic structural view of the cartridge of the present invention;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
FIG. 7 is an enlarged view of a portion of FIG. 5 at B;
FIG. 8 is an enlarged partial schematic view at C of FIG. 5;
FIG. 9 is a schematic structural view of an annular web of the present invention;
FIG. 10 is a left side view of FIG. 9;
FIG. 11 is a right side view of FIG. 9;
FIG. 12 is a sectional view taken along line A-A of FIG. 10;
FIG. 13 is a sectional view taken along line B-B of FIG. 10;
FIG. 14 is a schematic perspective view of a crosshead shoe box for a diaphragm pump according to the present invention (with one of the side plates removed);
in fig. 3 to 14, the reference numerals are as follows:
1-cylinder body, 11-oil hole, 12-strip hole, 13-hoisting hole, 14-first threaded hole, 15-first annular boss, 16-second annular boss, 17-third annular boss, 2-annular connecting plate, 21-through hole, 22-mounting hole, 23-first through hole, 24-annular boss, 3-frame, 32 a-front rectangular supporting plate, 32 b-middle rectangular supporting plate, 32 c-rear rectangular supporting plate, 33-side plate and 34-center hole.
Detailed Description
The invention is described in further detail below with reference to the figures and specific embodiments.
As shown in fig. 3 to 5, a crosshead slide sleeve structure for a diaphragm pump includes a cylinder 1, and an annular connecting plate 2 connected to one end of the cylinder 1; the size of the outer surface of the cylinder body 1 is matched with the inner surface of the frame 3, the cylinder wall of the cylinder body 1 is radially provided with an oil hole 11, the outer wall of the cylinder body 1 is provided with a long hole 12, the length direction of the long hole 12 is parallel to the axis of the cylinder body 1, in the diaphragm pump, a crankshaft converts the rotary motion of a speed reducer into the reciprocating motion of a crosshead and a plunger, one side of the crosshead is connected with the crankshaft through a connecting rod, the crosshead is arranged in the cylinder body 1 and is connected with the connecting rod through a crosshead pin, and therefore the long hole 12 is used for disassembling the crosshead pin and facilitating observation of the motion condition of; the cross head passes through tappet connection with the plunger, consequently, 2 middle parts of annular connecting plate are equipped with the through-hole 21 that supplies the tappet to pass, and the cross head of installation and the outside plunger of barrel 1 in the tappet connection barrel 1 are equipped with mounting hole 22 on the annular connecting plate 2 for be connected with outside frame 3, and barrel 1 adopts the forging processing, and the forging bulk strength performance is better than current foundry goods.
As shown in fig. 9 to 13, the cylinder 1 is connected to the annular connecting plate 2 in a manner that a plurality of first threaded holes 14 are formed in one end of the cylinder 1 close to the annular connecting plate 2 along the circumferential direction; the annular connecting plate 2 is provided with a plurality of first through holes 23 matched with the first threaded holes 14 along the circumferential direction, and the annular connecting plate 2 and the barrel 1 are fixed by sequentially penetrating the first through holes 23 and the first threaded holes 14 through bolts.
As shown in fig. 14, the embodiment further provides a crosshead sliding sleeve box for a diaphragm pump, which includes a frame 3 and the crosshead sliding sleeve structure for the diaphragm pump, where the cylinder 1 is disposed in the frame 3; the frame 3 is provided with a plurality of second threaded holes matched with the mounting holes 22, and the bolts sequentially penetrate through the mounting holes 22 and the second threaded holes to fix the annular connecting plate 2 and the frame 3.
The rack 3 comprises four side plates, a front rectangular support plate 32a, a middle rectangular support plate 32b and a rear rectangular support plate 32c which are arranged in parallel in sequence, wherein the four side plates are connected end to form a rectangular frame; the front rectangular support plate 32a, the middle rectangular support plate 32b and the rear rectangular support plate 32c are all provided with a central hole 34 for the cylinder 1 to pass through, the front rectangular support plate 32a is arranged at an opening at one side of the rectangular frame, the rear rectangular support plate 32c is arranged at an opening at the other side of the rectangular frame to form a sealed chamber, 3 rectangular support plates are all provided with a central hole 34 matched with the outer surface of the cylinder body 1, the cylinder body 1 is arranged in the central holes 34 of the 3 rectangular support plates, 3 positions on the outer surface of the cylinder body 1 corresponding to the rectangular support plates 32 are all provided with annular bosses matched with the inner annular surface of the rectangular support plates 32 along the circumferential direction, the width of each annular boss is larger than that of the corresponding rectangular support plate, the rear rectangular support plate 32c is provided with a plurality of second threaded holes matched with the mounting holes 22, and the annular connecting plate 2 is fixed on the rear rectangular support plate 32 c. The ratio of the outer diameter of the 3 annular bosses to the outer diameter of the cylinder body 1 can be 1.001-1.1, the outer diameters of the 3 annular bosses are sequentially reduced from the position close to the annular connecting plate 2 to the position far away from the annular connecting plate 2, and as shown in fig. 6-8, the 3 annular bosses are respectively a first annular boss 15, a second annular boss 16 and a third annular boss 17; the first annular boss 15 and the third annular boss 17 are positioned at two ends of the cylinder body 1, and the third annular boss 17 is arranged close to the annular connecting plate 2; the second annular boss 16 is positioned in the middle of the barrel 1; the ratio of the outer diameter D1 of the first annular boss 15 to the outer diameter D of the cylinder body 1 is 1.003; the ratio of the outer diameter D2 of the second annular boss 16 to the outer diameter D of the barrel body 1 is 1.009; the ratio of the outer diameter D3 of the third annular boss 17 to the outer diameter D of the cylinder body 1 is 1.014; the diameter of the front rectangular support plate 32a is equal to the outer diameter of the first annular boss 15, the diameter of the middle rectangular support plate 32b is equal to the outer diameter of the second annular boss 16, and the diameter of the rear rectangular support plate 32c is equal to the outer diameter of the third annular boss 17.
For the convenience of installation, the middle rectangular support plate 32b is of a split structure. The end face of the annular connecting plate 2 close to the rear rectangular support plate 32c is provided with an annular protrusion 24, the outer diameter of the annular protrusion 24 is equal to the inner diameter of the rear rectangular support plate 32c, and the rear rectangular support plate 32c is limited so as to facilitate installation.
One end of the barrel body 1, which is far away from the annular connecting plate 2, is provided with a plurality of hoisting holes 13 along the circumferential direction, and the holes are used for hoisting the barrel body 1, so that the barrel body 1 can be conveniently assembled.
When the cross head sliding sleeve box of this embodiment is assembled, pass through bolted connection with barrel 1 and annular connecting plate 2 earlier, as shown in fig. 3, the centre bore 34 of 3 right-hand members in frame (the big one end in aperture) gets into with the one end that barrel 1 is not connected with annular connecting plate 2 again, treat connection pad and the laminating of back rectangle backup pad 32c, and 3 annular bosses in 3 rectangle backup pad realize the location with 3 on the barrel 1, then be connected annular connecting plate 2 and back rectangle backup pad 32c through the bolt. The assembly is simple, the matching size of the rectangular support plate and the annular boss is short, and the position of the crosshead sliding sleeve can be well positioned; in the moving process of the crosshead arranged in the cylinder body 1, the annular connecting plate 2 is connected with the cylinder body and is fixed with the rear rectangular supporting plate 32c, so that the cylinder body (the crosshead sliding sleeve) cannot be loosened; in addition, the disassembly is simple, only the bolts need to be disassembled, the rack 3 is not damaged, and manpower and material resources are reduced.
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 (10)

1. The utility model provides a crosshead sliding sleeve structure for diaphragm pump which characterized in that: comprises a cylinder body (1) and an annular connecting plate (2) connected with one end of the cylinder body (1);
the wall of the cylinder body (1) is radially provided with an oil hole (11);
the wall of the barrel body (1) is provided with a long hole (12), and the length direction of the long hole (12) is parallel to the axis of the barrel body (1);
the middle part of the annular connecting plate (2) is provided with a through hole (21), and the annular connecting plate (2) is provided with a plurality of mounting holes (22) used for being connected with an external rack (3).
2. The crosshead shoe structure for a diaphragm pump according to claim 1, wherein: one end of the cylinder body (1) close to the annular connecting plate (2) is provided with a plurality of first threaded holes (14) along the circumferential direction;
the annular connecting plate (2) is provided with a plurality of first through holes (23) matched with the first threaded holes (14) along the circumferential direction, and the annular connecting plate (2) is fixed with the barrel (1) through bolts sequentially penetrating through the first through holes (23) and the first threaded holes (14).
3. A crosshead shoe structure for a diaphragm pump according to claim 1 or 2, wherein: the cylinder body (1) is machined by adopting a forging piece.
4. The utility model provides a crosshead sliding sleeve case for diaphragm pump which characterized in that: comprising a frame (3) and a crosshead shoe structure for a diaphragm pump according to any one of claims 1 to 3;
the cylinder body (1) is sleeved in the rack (3);
the frame (3) is provided with a plurality of second threaded holes matched with the mounting holes (22), and the annular connecting plate (2) is fixed with the frame (3) by sequentially penetrating the mounting holes (22) and the second threaded holes through bolts.
5. The crosshead shoe box for a diaphragm pump according to claim 4, wherein: the rack (3) comprises four side plates (33), a front rectangular support plate (32a), a middle rectangular support plate (32b) and a rear rectangular support plate (32c) which are arranged in parallel in sequence; the four side plates (33) are connected end to form a rectangular frame;
the front rectangular support plate (32a), the middle rectangular support plate (32b) and the rear rectangular support plate (32c) are respectively provided with a central hole (34) for the cylinder body (1) to pass through;
the front rectangular support plate (32a) is arranged at an opening on one side of the rectangular frame, and the rear rectangular support plate (32c) is arranged at an opening on the other side of the rectangular frame to form a sealed chamber;
a plurality of annular bosses matched with the inner annular surface of the rectangular support plate are arranged on the outer surface of the cylinder body (1) along the circumferential direction;
the annular connecting plate (2) is connected with a rear rectangular supporting plate (32 c).
6. A crosshead shoe box for a diaphragm pump according to claim 5, wherein: the width of each annular boss is larger than that of the corresponding rectangular support plate;
the outer diameters of the annular bosses are reduced from being close to the annular connecting plate (2) to being far away from the annular connecting plate (2) in sequence.
7. A crosshead shoe for a diaphragm pump according to claim 6, wherein: the ratio of the outer diameter of the annular boss to the outer diameter of the barrel (1) is 1.001-1.1;
the middle rectangular support plate (32b) adopts a split structure.
8. A crosshead shoe for a diaphragm pump according to claim 7, wherein: the number of the annular bosses is 3, and the annular bosses are respectively a first annular boss (15), a second annular boss (16) and a third annular boss (17);
the first annular boss (15) and the third annular boss (17) are positioned at two ends of the cylinder body (1), and the third annular boss (17) is arranged close to the annular connecting plate (2); the second annular boss (16) is positioned in the middle of the cylinder body (1);
the ratio of the outer diameter of the first annular boss (15) to the outer diameter of the cylinder body (1) is 1.003;
the ratio of the outer diameter of the second annular boss (16) to the outer diameter of the barrel (1) is 1.009;
the ratio of the outer diameter of the third annular boss (17) to the outer diameter of the cylinder body (1) is 1.014;
the aperture of the front rectangular support plate (32a) is equal to the outer diameter of the first annular boss (15), the aperture of the middle rectangular support plate (32b) is equal to the outer diameter of the second annular boss (16), and the aperture of the rear rectangular support plate (32c) is equal to the outer diameter of the third annular boss (17).
9. A crosshead shoe for a diaphragm pump according to claim 8, wherein: the end face, close to the rear rectangular support plate (32c), of the annular connecting plate (2) is provided with an annular protrusion (24), and the outer diameter of the annular protrusion (24) is equal to the inner diameter of the rear rectangular support plate (32 c).
10. The crosshead shoe box for a diaphragm pump according to claim 4, wherein: one end of the cylinder body (1) far away from the annular connecting plate (2) is provided with a plurality of hoisting holes (13) along the circumferential direction.
CN201911386111.XA 2019-12-29 2019-12-29 Crosshead sliding sleeve structure for diaphragm pump and sliding sleeve box Pending CN111022302A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911386111.XA CN111022302A (en) 2019-12-29 2019-12-29 Crosshead sliding sleeve structure for diaphragm pump and sliding sleeve box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911386111.XA CN111022302A (en) 2019-12-29 2019-12-29 Crosshead sliding sleeve structure for diaphragm pump and sliding sleeve box

Publications (1)

Publication Number Publication Date
CN111022302A true CN111022302A (en) 2020-04-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911386111.XA Pending CN111022302A (en) 2019-12-29 2019-12-29 Crosshead sliding sleeve structure for diaphragm pump and sliding sleeve box

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CN (1) CN111022302A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113757104A (en) * 2021-09-22 2021-12-07 黄秀芳 Rotary positioning and compressing structure for crosshead slideway of reciprocating pump

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201827052U (en) * 2010-10-29 2011-05-11 四川宏华石油设备有限公司 Component facilitating disassembly of crosshead and connecting rod
CN102454591A (en) * 2010-10-29 2012-05-16 四川宏华石油设备有限公司 Connecting structure used for crosshead slide way of drill pump
CN202493412U (en) * 2011-12-28 2012-10-17 惠生(南京)清洁能源股份有限公司 Reciprocating type membrane pump plunger looseness-proof device
CN103216438A (en) * 2013-02-04 2013-07-24 中国石化集团江汉石油管理局第四机械厂 Novel plunger pump crosshead box body
CN209308947U (en) * 2018-08-23 2019-08-27 山东科瑞泵业有限公司 Novel combination type fracturing pump crosshead
CN211975348U (en) * 2019-12-29 2020-11-20 陕西航天动力高科技股份有限公司 Crosshead sliding sleeve structure for diaphragm pump and sliding sleeve box

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201827052U (en) * 2010-10-29 2011-05-11 四川宏华石油设备有限公司 Component facilitating disassembly of crosshead and connecting rod
CN102454591A (en) * 2010-10-29 2012-05-16 四川宏华石油设备有限公司 Connecting structure used for crosshead slide way of drill pump
CN202493412U (en) * 2011-12-28 2012-10-17 惠生(南京)清洁能源股份有限公司 Reciprocating type membrane pump plunger looseness-proof device
CN103216438A (en) * 2013-02-04 2013-07-24 中国石化集团江汉石油管理局第四机械厂 Novel plunger pump crosshead box body
CN209308947U (en) * 2018-08-23 2019-08-27 山东科瑞泵业有限公司 Novel combination type fracturing pump crosshead
CN211975348U (en) * 2019-12-29 2020-11-20 陕西航天动力高科技股份有限公司 Crosshead sliding sleeve structure for diaphragm pump and sliding sleeve box

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113757104A (en) * 2021-09-22 2021-12-07 黄秀芳 Rotary positioning and compressing structure for crosshead slideway of reciprocating pump

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