CN213870714U

CN213870714U - Split type cross head of force pump

Info

Publication number: CN213870714U
Application number: CN202023029113.4U
Authority: CN
Inventors: 王俊堂; 王栋; 接铭琦; 贺红杰
Original assignee: Yantai Longmao Intelligent Equipment Co ltd
Current assignee: Yantai Longmao Intelligent Equipment Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-08-03
Anticipated expiration: 2030-12-16

Abstract

The utility model discloses a split type cross head of force pump relates to force pump technical field. The utility model discloses a head rod, second connecting rod, installation piece and ejector pad, the first connecting block of one end fixedly connected with of head rod, the one end fixedly connected with second connecting block of second connecting rod, the screw has been seted up on the surface of installation piece, the equal threaded connection in surface of first connecting block and second connecting block has a hexagon socket head cap screw, the equal fixed cover in surface of head rod and second connecting rod is equipped with annular sleeve piece. The utility model discloses a twist and move first hexagon socket head cap screw and can twist out it from first connecting block or second connecting block, can dismantle first connecting block or second connecting block from head rod and second connecting rod promptly, can conveniently dismantle its part when the cross head damages through twisting out the dismantlement of push block can be accomplished to hexagon socket head cap screw in the second.

Description

Split type cross head of force pump

Technical Field

The utility model belongs to the technical field of the force pump, especially, relate to a split type cross head of force pump.

Background

In the field of high-pressure plunger pumps, a crosshead is arranged in a crankcase, and in order to ensure the tightness of the crankcase, an oil seal is usually required to be matched and nested on a crosshead extension, so that the length of the crosshead extension is almost half of the whole length of the whole crosshead, and the crosshead for the pump is classified into a shaft sleeve type part.

The end part of the crosshead is continuously worn and aggravated along with the increase of the service life of the existing crosshead, but under the lubricating action of an oil seal, the extension area of the crosshead is worn and is far less than the inner cavity part of the crosshead, but once the crosshead is worn and exceeds a certain degree, the crosshead needs to be integrally replaced, and the subsequent maintenance cost is high.

In order to solve the problem, the utility model provides a split type cross head of force pump.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a split type cross head of force pump solves current cross head along with the increase of service life, and the end part wearing and tearing of cross head constantly aggravate, but under the lubrication action of oil blanket, the cross head stretches regional wearing and tearing and is far less than cross head inner chamber part, but in case the cross head wearing and tearing exceed certain degree, then the cross head needs whole change, the higher problem of follow-up maintenance cost.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a split type cross head of force pump, including head rod, second connecting rod, installation piece and ejector pad, the one end fixedly connected with first connecting block of head rod, the one end fixedly connected with second connecting block of second connecting rod, the screw has been seted up on the surface of installation piece, the equal threaded connection in surface of first connecting block and second connecting block has first interior hexagonal bolt, the equal fixed cover in surface of head rod and second connecting rod is equipped with annular nest plate, the surface threaded connection of annular nest plate has interior hexagonal bolt of second, the equal cavity setting of head rod and second connecting rod, the ejector pad is provided with two, and annular slot has been seted up to one side of ejector pad, and the other end of head rod and second connecting rod all inserts in the annular slot, a side threaded connection of hexagonal bolt and annular slot in the second.

Further, four evenly distributed's mounting grooves are seted up to the week side of ejector pad, and the internal thread of mounting groove is connected with third hexagon socket head cap screw, and four evenly distributed's screw hole is seted up on the other end surface of head rod and second connecting rod, and third hexagon socket head cap screw and screw hole threaded connection can let the ejector pad be connected more firmly with head rod and second connecting rod through third hexagon socket head cap screw.

Further, the inside of installation piece has been seted up and has been led to the chamber, has seted up through the chamber and can alleviate the weight of installation piece through offering on the installation piece, has reduced the whole weight of cross head effectively, has reduced the resistance of cross head when removing.

Further, lead to the chamber and be provided with a plurality of, and even distribution is on the surface of installation piece, has seted up a plurality of logical chambers through the installation on the piece and can alleviateed the weight of installation piece, has reduced the whole weight of cross head effectively, has reduced the resistance of cross head when removing.

Furthermore, the first hexagon socket head cap screws on the surfaces of the first connecting block and the second connecting block are all provided with four, the first hexagon socket head cap screws are uniformly distributed on the surfaces of the first connecting block and the second connecting block, the first connecting rod and the first connecting block can be connected more firmly through the four uniformly distributed first hexagon socket head cap screws on the surface of the first connecting block, and the second connecting rod and the second connecting block can be connected more firmly through the four uniformly distributed first hexagon socket head cap screws on the surface of the second connecting block.

The utility model discloses following beneficial effect has:

the utility model discloses a twist and move first hexagon socket head cap screw and can twist out it from first connecting block or second connecting block, can dismantle first connecting block or second connecting block from head rod and second connecting rod promptly, can conveniently dismantle its part when the cross head damages through twisting out the dismantlement of push block can be accomplished to hexagon socket head cap screw in the second, with this can conveniently change it, with this maintenance cost that can reduce the cross head effectively.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a push block;

FIG. 3 is a schematic structural diagram of a first connecting rod and a first connecting block;

fig. 4 is a schematic structural view of the mounting block.

In the drawings, the components represented by the respective reference numerals are listed below: 1. a first connecting rod; 2. a second connecting rod; 3. a second hexagon socket screw; 4. an annular nest plate; 5. a push block; 6. mounting grooves; 7. a third hexagon socket screw; 8. a first connection block; 9. mounting blocks; 10. a second connecting block; 11. a first hexagon socket head cap screw; 12. an annular slot; 13. a threaded hole; 14. a cavity is communicated; 15. and a screw hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-4, the present invention relates to a split crosshead of a pressure pump, which comprises a first connecting rod 1, a second connecting rod 2, an installation block 9 and a pushing block 5, wherein one end of the first connecting rod 1 is fixedly connected with a first connecting block 8, one end of the second connecting rod 2 is fixedly connected with a second connecting block 10, the surface of the installation block 9 is provided with a screw hole 15, the surfaces of the first connecting block 8 and the second connecting block 10 are both in threaded connection with a first hexagon socket head cap screw 11, the surfaces of the first connecting rod 1 and the second connecting rod 2 are both fixedly sleeved with an annular sleeve 4, the surface of the annular sleeve 4 is in threaded connection with a second hexagon socket cap screw 3, the first connecting rod 1 and the second connecting rod 2 are both hollow, the pushing block 5 is provided with two pushing blocks, one side of the pushing block 5 is provided with an annular slot 12, and the other ends of the first connecting rod 1 and the second connecting rod 2 are both inserted into the annular slot 12, the second hexagon socket head cap screw 3 is connected with one side of the annular slot 12 by screw thread.

Preferably, four evenly distributed mounting grooves 6 are formed in the peripheral side face of the push block 5, a third inner hexagonal bolt 7 is connected to the inner thread of each mounting groove 6, four evenly distributed threaded holes 13 are formed in the other end surfaces of the first connecting rod 1 and the second connecting rod 2, the third inner hexagonal bolt 7 is in threaded connection with the threaded holes 13, and the push block 5 can be connected with the first connecting rod 1 and the second connecting rod 2 more firmly through the third inner hexagonal bolt 7.

Preferably, the mounting block 9 is provided with a through cavity 14 therein, and the mounting block 9 is provided with the through cavity 14, so that the weight of the mounting block 9 can be reduced, the overall weight of the crosshead is effectively reduced, and the resistance of the crosshead in moving is reduced.

Preferably, the through cavities 14 are uniformly distributed on the surface of the mounting block 9, and the mounting block 9 is provided with the through cavities 14, so that the weight of the mounting block 9 can be reduced, the overall weight of the crosshead is effectively reduced, and the resistance of the crosshead in moving is reduced.

Preferably, the first hexagon socket head cap screws 11 on the surfaces of the first connecting block 8 and the second connecting block 10 are all provided with four, and the first hexagon socket head cap screws 11 are uniformly distributed on the surfaces of the first connecting block 8 and the second connecting block 10, the first connecting rod 1 and the first connecting block 8 can be more firmly connected through the four uniformly distributed first hexagon socket head cap screws 11 on the surface of the first connecting block 8, and the second connecting rod 2 and the second connecting block 10 can be more firmly connected through the four uniformly distributed first hexagon socket head cap screws 11 on the surface of the second connecting block 10.

As shown in fig. 1-4, this embodiment is a method for using a split crosshead of a pressure pump: can twist out it from first connecting block 8 or second connecting block 10 through twisting first hexagon socket head cap screw 11, can dismantle first connecting block 8 or second connecting block 10 from head rod 1 and second connecting rod 2 promptly, can accomplish the dismantlement of ejector pad 5 through twisting out second hexagon socket head cap screw 3, can conveniently dismantle its part when the cross head damages promptly.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a split type cross head of force pump, includes head rod (1), second connecting rod (2), installation piece (9) and ejector pad (5), its characterized in that: one end of the first connecting rod (1) is fixedly connected with a first connecting block (8), one end of the second connecting rod (2) is fixedly connected with a second connecting block (10), the surface of the mounting block (9) is provided with a screw hole (15), the surfaces of the first connecting block (8) and the second connecting block (10) are both in threaded connection with a first inner hexagonal bolt (11), the surfaces of the first connecting rod (1) and the second connecting rod (2) are both fixedly sleeved with an annular sleeve sheet (4), the surface of the annular sleeve sheet (4) is in threaded connection with a second inner hexagonal bolt (3), the first connecting rod (1) and the second connecting rod (2) are both hollow, and two push blocks (5) are arranged, and one side of the push block (5) is provided with an annular slot (12), the other ends of the first connecting rod (1) and the second connecting rod (2) are inserted into the annular slot (12), and the second hexagon socket head cap screw (3) is in threaded connection with one side face of the annular slot (12).

2. The split crosshead of a pressure pump according to claim 1, wherein the circumference of the push block (5) is provided with four uniformly distributed mounting grooves (6), the inner threads of the mounting grooves (6) are connected with a third hexagon socket head cap screw (7), the other end surfaces of the first connecting rod (1) and the second connecting rod (2) are provided with four uniformly distributed threaded holes (13), and the third hexagon socket head cap screw (7) is in threaded connection with the threaded holes (13).

3. A split crosshead according to claim 1, characterised in that the mounting block (9) has a through cavity (14) formed therein.

4. A split crosshead according to claim 3, characterised in that said through cavities (14) are provided in several numbers and are evenly distributed over the surface of the mounting block (9).

5. A split crosshead according to claim 1, characterised in that four first hexagon socket head bolts (11) are arranged on the surface of the first connecting block (8) and the second connecting block (10), and the first hexagon socket head bolts (11) are uniformly distributed on the surface of the first connecting block (8) and the second connecting block (10).