CN220622450U - Connecting rod cross head assembly capable of enhancing easy disassembly and assembly - Google Patents

Connecting rod cross head assembly capable of enhancing easy disassembly and assembly Download PDF

Info

Publication number
CN220622450U
CN220622450U CN202322457005.4U CN202322457005U CN220622450U CN 220622450 U CN220622450 U CN 220622450U CN 202322457005 U CN202322457005 U CN 202322457005U CN 220622450 U CN220622450 U CN 220622450U
Authority
CN
China
Prior art keywords
connecting rod
cross head
half arc
arc
sleeve
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.)
Active
Application number
CN202322457005.4U
Other languages
Chinese (zh)
Inventor
薛泉丞
薛宗佳
宗成亮
徐建峰
刘长亮
潘书良
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.)
Qingdao Jinzheng Machinery Technology Co ltd
Original Assignee
Qingdao Jinzheng Machinery Technology 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 Qingdao Jinzheng Machinery Technology Co ltd filed Critical Qingdao Jinzheng Machinery Technology Co ltd
Priority to CN202322457005.4U priority Critical patent/CN220622450U/en
Application granted granted Critical
Publication of CN220622450U publication Critical patent/CN220622450U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a reinforced and easy-to-disassemble connecting rod cross head assembly, which comprises a cross head and a connecting rod assembly, wherein a first half arc sleeve is fixedly connected inside the cross head, the connecting rod assembly comprises a connecting rod and a connecting rod shaft, and the connecting rod assembly is split by arranging the cross head, the connecting rod assembly, the first half arc sleeve, the second half arc sleeve and a pressing plate to be matched for use.

Description

Connecting rod cross head assembly capable of enhancing easy disassembly and assembly
Technical Field
The utility model belongs to the technical field of connecting rod cross head assemblies, and particularly relates to a connecting rod cross head assembly capable of being reinforced and easy to assemble and disassemble.
Background
Drilling mud pumps have been known as the "heart" of the drilling rig, and have been known for over 100 years since the first commercially valuable drilling rig was used throughout the world. For over 100 years, commercially valuable rig mud pumps have been three-cylinder pumps.
The connecting rod and the cross head of the existing slurry pump are connected together through a cross head pin shaft, and the cross head is arranged in a cross head cylinder sleeve; the small end of the connecting rod is contacted with the pin shaft of the cross head, and the small end of the connecting rod and the pin shaft are connected by adopting a bearing or a pin hole is directly arranged; a connecting rod copper sleeve is arranged at the joint of the connecting rod and the cross pin shaft; the structure brings great inconvenience to installation and disassembly, increases maintenance cost and reduces working efficiency.
Accordingly, the present utility model has been made in view of the above-mentioned problems occurring in the prior art, and an object of the present utility model is to provide a connecting rod cross head assembly that is easy to assemble and disassemble, and that is more practical.
Disclosure of Invention
In order to solve the technical problems, the utility model provides a reinforced and easily-disassembled connecting rod cross head assembly, which solves the problem that the connecting rod and the cross head of the existing slurry pump are connected together by a cross head pin shaft, and the cross head is arranged in a cross head cylinder sleeve; the small end of the connecting rod is contacted with the pin shaft of the cross head, and the small end of the connecting rod and the pin shaft are connected by adopting a bearing or a pin hole is directly arranged; a connecting rod copper sleeve is arranged at the joint of the connecting rod and the cross pin shaft; the structure brings great inconvenience to installation and disassembly, increases maintenance cost and reduces working efficiency.
The utility model enhances the purpose and the effect of the easily-disassembled connecting rod cross head assembly, which is achieved by the following specific technical means:
the utility model provides a reinforcing easy dismouting's connecting rod cross head subassembly, includes cross head and connecting rod assembly, the first half arc cover of inside fixedly connected with of cross head, connecting rod assembly includes connecting rod and connecting rod axle, be split type between connecting rod and the connecting rod axle to the connecting rod axle passes through set screw and lock nut to be connected in the inside of first half arc cover, the connecting rod is close to fixed cover on the one end of connecting rod axle and is equipped with the second half arc cover, the outside of connecting rod axle is located to the detachable cover of second half arc cover, the junction both sides of first half arc cover and second half arc cover are all laminated and are provided with the clamp plate, two the clamp plate is all connected with first half arc cover and second half arc cover respectively through mounting bolt.
Further, the cross head adopts a semi-open structure, an arc-shaped groove is formed in the cross head, and the first semi-arc sleeve is fixedly connected to the inner part of the arc-shaped groove.
Further, the mounting grooves are formed in two sides of the first half arc-shaped sleeve, and one end of the positioning screw penetrates through the mounting grooves and the connecting rod shaft to be in threaded connection with the locking nut.
Further, a central slot is formed in one side, close to the connecting rod, of the connecting rod shaft, a central inserting block matched with the central slot is connected to one end of the connecting rod, side clamping grooves are formed in two sides of the first half arc-shaped sleeve, and side clamping blocks matched with the side clamping grooves are connected to two sides of the second half arc-shaped sleeve.
Further, circular holes are formed in two sides of the cross head, two pressing plates penetrate through the corresponding circular holes respectively, stop gaskets are arranged on the two pressing plates, through holes are formed in the first half arc sleeve and the second half arc sleeve, and each mounting bolt penetrates through the stop gaskets and the through holes.
Further, the reinforcing plates are connected to the two sides of the second semi-arc sleeve, reinforcing screws are arranged on the reinforcing plates, and the reinforcing screws penetrate through the side walls of the crosshead and are in threaded connection with the inside of the reinforcing plates.
Further, the top of cross head has seted up outside lubrication oil duct, the inside of cross head has seted up inside lubrication oil duct, the one end and the first half arc cover of inside lubrication oil duct are linked together, and the other end and outside lubrication oil duct intercommunication set up.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the cross head, the connecting rod assembly, the first half arc sleeve, the second half arc sleeve and the pressing plate are arranged for matching, the connecting rod assembly is split, the connecting rod shaft is connected with the first half arc sleeve in the cross head, then the first half arc sleeve is connected with the second half arc sleeve, and the connecting rod shaft is connected with the connecting rod, so that the cross head and the connecting rod assembly can be assembled and then put into the pump, the difficulty of orderly mounting the connecting rod pin outside the pump is reduced, the positioning is reliable, meanwhile, when the connecting rod is disassembled, the connecting rod assembly is reversely and orderly disassembled, the installation and the disassembly are convenient, the maintenance time of a customer can be greatly shortened, the labor intensity of staff is reduced, the working efficiency is effectively improved, and the strength and the service life of the connecting rod can be improved;
2. through setting up cross, outside lubrication oil duct and inside lubrication oil duct cooperation and use, the lubrication oil duct of intercommunication makes lubricating oil can fully send to between first half arc cover, the half arc cover of second and connecting rod, the connecting rod axle for relevant friction pair can obtain abundant lubrication, the life of reinforcing relevant spare part, and then reduce cost.
Drawings
Fig. 1 is a schematic perspective view of the present utility model.
Fig. 2 is a schematic perspective view of the connecting rod of the present utility model.
Fig. 3 is a schematic perspective view of the link shaft of the present utility model.
Fig. 4 is a schematic view of a partial front sectional structure of the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. a cross head; 2. a connecting rod assembly; 21. a connecting rod; 22. a link shaft; 3. a first semi-arcuate sleeve; 4. a second semi-arcuate sleeve; 5. a set screw; 6. a lock nut; 7. a mounting groove; 8. a center plug; 9. a central slot; 10. an internal lubrication oil passage; 11. a side clamping block; 12. a side clamping groove; 13. perforating; 14. a circular hole; 15. a pressing plate; 16. a stop pad; 17. installing a bolt; 18. a reinforcing plate; 19. reinforcing screws; 20. an external lubrication oil passage.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Examples:
as shown in fig. 1 to 4:
the utility model provides a reinforced easily-detachable connecting rod cross head assembly, which comprises a cross head 1 and a connecting rod assembly 2, wherein a first half arc sleeve 3 is fixedly connected to the inside of the cross head 1, the connecting rod assembly 2 comprises a connecting rod 21 and a connecting rod shaft 22, the connecting rod 21 and the connecting rod shaft 22 are split, the connecting rod shaft 22 is connected to the inside of the first half arc sleeve 3 through a set screw 5 and a locking nut 6, a second half arc sleeve 4 is fixedly sleeved on one end, close to the connecting rod shaft 22, of the connecting rod 21, the second half arc sleeve 4 is detachably sleeved on the outer side of the connecting rod shaft 22, pressing plates 15 are respectively and fixedly arranged on two sides of a joint of the first half arc sleeve 3 and the second half arc sleeve 4, and the two pressing plates 15 are respectively connected with the first half arc sleeve 3 and the second half arc sleeve 4 through mounting bolts 17.
In other embodiments, the cross head 1 adopts a semi-open structure, an arc-shaped groove is formed in the cross head, the first semi-arc-shaped sleeve 3 is fixedly connected to the inner part of the arc-shaped groove, and the first semi-arc-shaped sleeve 3 is fixedly connected through the arc-shaped groove.
In other embodiments, the two sides of the first half arc-shaped sleeve 3 are provided with the mounting groove 7, one end of the positioning screw 5 penetrates through the mounting groove 7 and the connecting rod shaft 22 to be in threaded connection with the locking nut 6, the mounting of the positioning screw 5 and the locking nut 6 is facilitated by the mounting groove 7, and the subsequent lamination of the pressing plate 15 on the outer side of the first half arc-shaped sleeve 3 is not affected.
In other embodiments, the connecting rod shaft 22 is close to one side of the connecting rod 21 and is provided with a central slot 9, one end of the connecting rod 21 is connected with a central insert 8 matched with the central slot 9, two sides of the first half arc sleeve 3 are provided with side clamping grooves 12, two sides of the second half arc sleeve 4 are connected with side clamping blocks 11 matched with the side clamping grooves 12, the central insert 8 and the central slot 9 are matched for use, the central connection part of the connecting rod 21 and the connecting rod shaft 22 is positioned, the connecting rod 21 and the connecting rod shaft are concentric, and the positioning stability is further improved by the side clamping blocks 11 and the side clamping grooves 12.
In other embodiments, circular holes 14 are formed in two sides of the cross head 1, two pressing plates 15 penetrate through the corresponding circular holes 14 respectively, stop gaskets 16 are arranged on the two pressing plates 15, through holes 13 are formed in the first half arc-shaped sleeve 3 and the second half arc-shaped sleeve 4, each mounting bolt 17 penetrates through the stop gaskets 16 and the through holes 13, the mounting of the inner structure of the cross head 1 is facilitated through the circular holes 14, and the mounting positions of the mounting bolts 17 are further reinforced by the stop gaskets 16, so that the connection between the first half arc-shaped sleeve 3 and the second half arc-shaped sleeve 4 is more stable.
In other embodiments, the two sides of the second semi-arc sleeve 4 are both connected with reinforcing plates 18, the two reinforcing plates 18 are both provided with reinforcing screws 19, the two reinforcing screws 19 penetrate through the side wall of the cross head 1 and are in threaded connection with the inside of the reinforcing plates 18, and the second semi-arc sleeve 4 and the connecting rod 21 are fixed inside the cross head 1 by using the reinforcing plates 18 and the reinforcing screws 19, so that the assembly effect and stability are improved.
In other embodiments, the top of the cross head 1 is provided with the external lubrication oil duct 20, the inside of the cross head 1 is provided with the internal lubrication oil duct 10, one end of the internal lubrication oil duct 10 is communicated with the first half arc sleeve 3, and the other end of the internal lubrication oil duct 10 is communicated with the external lubrication oil duct 20, and lubricating oil flows into the internal lubrication oil duct 10 through the external lubrication oil duct 20 and then flows into the first half arc sleeve 3, so that the lubricating oil can be fully fed between the first half arc sleeve 3 and the second half arc sleeve 4 and the connecting rod 21 and the connecting rod shaft 22, the relevant friction pair can be fully lubricated, the service life of relevant parts is prolonged, and the cost is further reduced.
Specific use and action of the embodiment:
in the utility model, when in assembly, a connecting rod shaft 22 is embedded into a first half arc sleeve 3, a first half arc sleeve 3 is fixed inside the first half arc sleeve 3 by a set screw 5 and a locking nut 6, so that the first half arc sleeve 3 and the connecting rod shaft 22 are concentric, then a second half arc sleeve 4 is inserted into the cross head 1, so that the second half arc sleeve is aligned with the first half arc sleeve 3, a center insert 8 is inserted into a center slot 9, a side clamping block 11 is clamped into the side clamping groove 12, so that the first half arc sleeve 3, the connecting rod shaft 22 and the second half arc sleeve 4 are concentric, the first half arc sleeve 3 and the second half arc sleeve 4 are positioned, two pressing plates 15 are attached to two sides of a joint of the first half arc sleeve 3 and the second half arc sleeve 4 by penetrating through circular holes 14, and are connected inside the connecting rod shaft 22 by threads through the first half arc sleeve 3 and the second half arc sleeve 4 by using a mounting bolt 17, so that the first half arc sleeve 3 and the second half arc sleeve 4 are fixed, the reinforcing plate 18 and the reinforcing screw 19 are used for fixing the first half arc sleeve 3 and the second half arc sleeve 4, and the reinforcing plate 19 are used for improving the assembly stability; during disassembly, the reinforcing screw 19 is sequentially removed, so that the second half arc sleeve 4 is separated from the cross head 1, then, the mounting bolt 17 is removed, the first half arc sleeve 3 and the second half arc sleeve 4 are not fixed any more, the second half arc sleeve 4 and the connecting rod 21 are pulled out outwards, the center plug block 8 and the center slot 9 are separated, the side clamping block 11 and the side clamping groove 12 are separated, and finally, the positioning screw 5 and the locking nut 6 are removed, so that the first half arc sleeve 3 and the connecting rod shaft 22 are separated, and the connecting rod shaft 22 is removed, so that the mounting and the dismounting are convenient, the maintenance time of clients can be greatly shortened, the labor intensity of workers is reduced, the operation efficiency is effectively improved, and the strength and the service life of the connecting rod can be improved.
The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (7)

1. A connecting rod cross head assembly with enhanced easy disassembly and assembly is characterized in that: including cross head (1) and connecting rod assembly (2), the inside fixedly connected with first half arc cover (3) of cross head (1), connecting rod assembly (2) are including connecting rod (21) and connecting rod axle (22), be split type between connecting rod (21) and connecting rod axle (22) to connecting rod axle (22) are connected in the inside of first half arc cover (3) through set screw (5) and lock nut (6), fixed cover is equipped with second half arc cover (4) on the one end that connecting rod (21) is close to connecting rod axle (22), the outside of connecting rod axle (22) is located to second half arc cover (4) detachable cover, the junction both sides of first half arc cover (3) and second half arc cover (4) all laminate and are provided with clamp plate (15), and two clamp plate (15) are all connected with first half arc cover (3) and second half arc cover (4) respectively through mounting bolt (17).
2. The reinforced easy-to-disassemble connecting rod crosshead assembly according to claim 1, wherein: the cross head (1) adopts a semi-open structure, an arc-shaped groove is formed in the cross head, and the first semi-arc-shaped sleeve (3) is fixedly connected to the inner part of the arc-shaped groove.
3. The reinforced easy-to-disassemble connecting rod crosshead assembly according to claim 1, wherein: the two sides of the first half arc-shaped sleeve (3) are provided with mounting grooves (7), and one end of the set screw (5) penetrates through the mounting grooves (7) and the connecting rod shaft (22) to be in threaded connection with the locking nut (6).
4. The reinforced easy-to-disassemble connecting rod crosshead assembly according to claim 1, wherein: the connecting rod is characterized in that a center slot (9) is formed in one side, close to the connecting rod (21), of the connecting rod (22), a center insert (8) matched with the center slot (9) is connected to one end of the connecting rod (21), side clamping grooves (12) are formed in two sides of the first half-arc sleeve (3), and side clamping blocks (11) matched with the side clamping grooves (12) are connected to two sides of the second half-arc sleeve (4).
5. The reinforced easy-to-disassemble connecting rod crosshead assembly according to claim 1, wherein: circular holes (14) are formed in two sides of the cross head (1), two pressing plates (15) penetrate through the corresponding circular holes (14) respectively, stop gaskets (16) are arranged on the two pressing plates (15), through holes (13) are formed in the first half-arc-shaped sleeve (3) and the second half-arc-shaped sleeve (4), and each mounting bolt (17) penetrates through the stop gaskets (16) and the through holes (13).
6. The reinforced easy-to-disassemble connecting rod crosshead assembly according to claim 1, wherein: reinforcing plates (18) are connected to two sides of the second semi-arc-shaped sleeve (4), reinforcing screws (19) are arranged on the reinforcing plates (18), and the reinforcing screws (19) penetrate through the side wall of the cross head (1) and are connected to the inside of the reinforcing plates (18) in a threaded mode.
7. The reinforced easy-to-disassemble connecting rod crosshead assembly according to claim 1, wherein: the top of cross head (1) has seted up outside lubrication oil duct (20), inside lubrication oil duct (10) have been seted up to the inside of cross head (1), the one end and the first half arc cover (3) of inside lubrication oil duct (10) are linked together, and the other end and outside lubrication oil duct (20) intercommunication set up.
CN202322457005.4U 2023-09-11 2023-09-11 Connecting rod cross head assembly capable of enhancing easy disassembly and assembly Active CN220622450U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322457005.4U CN220622450U (en) 2023-09-11 2023-09-11 Connecting rod cross head assembly capable of enhancing easy disassembly and assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322457005.4U CN220622450U (en) 2023-09-11 2023-09-11 Connecting rod cross head assembly capable of enhancing easy disassembly and assembly

Publications (1)

Publication Number Publication Date
CN220622450U true CN220622450U (en) 2024-03-19

Family

ID=90228746

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322457005.4U Active CN220622450U (en) 2023-09-11 2023-09-11 Connecting rod cross head assembly capable of enhancing easy disassembly and assembly

Country Status (1)

Country Link
CN (1) CN220622450U (en)

Similar Documents

Publication Publication Date Title
CN220622450U (en) Connecting rod cross head assembly capable of enhancing easy disassembly and assembly
CN215332155U (en) Vehicle door hinge
CN113323863B (en) Fast-assembling combined piston rod of drilling pump
CN215057161U (en) Derrick for petroleum drilling and repairing equipment
CN216009001U (en) Split packing pressing plate for horizontal centrifugal pump
CN210686278U (en) Transmission device for slurry pump
CN214404300U (en) Prevent quick detachable formula bolt structure of screw dropout
CN220791756U (en) Combined connecting rod for well cementation fracturing pump
CN215291759U (en) Tower foot for angle steel tower
CN217234164U (en) Doubling winder grooved drum connecting structure
CN212297431U (en) Anti-sticking structure of special-shaped gasket conveying chain
CN216342454U (en) Turning mechanism
CN218862983U (en) High-strength piston firm in installation for loader
CN219549420U (en) Coupling device for electrode foil transmission
CN213574580U (en) Cross head guide plate structure of drilling pump
CN114542452A (en) Connecting rod crosshead structure of multi-cylinder slurry pump
CN220204657U (en) Combined oil seal
CN215316844U (en) Stud differential disassembling clamp
CN216922829U (en) Connecting rod structure with good stability
CN217207615U (en) Double-gear combined stable reinforcing frame
CN216554364U (en) High-pressure plunger pump
CN218907437U (en) High-strength caterpillar link
CN213017660U (en) Piston easy to assemble
CN216788321U (en) Two segmentation detachable initiative drilling rods
CN109850716A (en) A kind of elevator well frame structure being easily installed

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant