CN214533499U

CN214533499U - Ceramic cylinder sleeve for slurry pump

Info

Publication number: CN214533499U
Application number: CN202120686678.5U
Authority: CN
Inventors: 徐艳; 章旭
Original assignee: Hefei Jingchuang Technology Co ltd
Current assignee: Hefei Jingchuang Technology Co ltd
Priority date: 2021-04-01
Filing date: 2021-04-01
Publication date: 2021-10-29
Anticipated expiration: 2031-04-01

Abstract

The utility model discloses a ceramic cylinder liner for slush pump, which comprises an outer cover, the lower part of overcoat outer wall is provided with the location retaining ring, the ladder groove has been seted up at the inboard top of overcoat, the ceramic inside lining is installed at the inboard of overcoat through the end cover at the top of overcoat, four draw-in grooves have been seted up to the inboard bottom of end cover, four fixture blocks of top fixedly connected with of ceramic inside lining outer wall, it is equipped with the packing ring to inlay between the top of overcoat and the end cover, four fastening screw fixedly connected with shroudings are passed through to the bottom of overcoat, it is equipped with the rubber sleeve to inlay between the top of shrouding and the bottom of overcoat, the utility model relates to a slush pump technical field. This ceramic cylinder liner for mud pump is designed as detachable structure through the mud pump cylinder jacket that forms with the monolithic casting, divide into overcoat and ceramic inside lining with the cylinder liner, after the wearing and tearing appear in the cylinder liner outside, can dismantle single overcoat, and inside ceramic inside lining throws away and can use, has avoided the waste of resource.

Description

Ceramic cylinder sleeve for slurry pump

Technical Field

The utility model relates to a slush pump technical field specifically is a ceramic cylinder liner for slush pump.

Background

The mud pump is the 'heart' of the oil field drilling system, and the mud pump cylinder liner is an important easily-worn part at the hydraulic end of the mud pump, so the service life of the mud pump cylinder liner directly influences the service life of the mud pump, and the working surface of the cylinder liner is contacted with high-temperature and high-pressure gas, so that a piston ring does high-speed reciprocating motion on the surface of the cylinder liner, and the cylinder liner is determined to have enough strength and rigidity and must resist high temperature, corrosion and abrasion.

The existing slurry pump cylinder sleeve is generally formed by integrally casting cast iron, the slurry pump cylinder sleeve belongs to a quick-wear part and needs to be periodically repaired and replaced, the traditional integrally cast cylinder sleeve needs to be replaced after being worn outside, resource waste is caused, the whole material is single, and the performance requirements of multiple aspects cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a ceramic cylinder liner for slush pump has solved traditional whole cast cylinder liner outside and has appeared need changing promptly after wearing and tearing, has caused the problem of the waste of resource.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a ceramic cylinder liner for slush pump, includes the overcoat, the lower part of overcoat outer wall is provided with the location retaining ring, the ladder groove has been seted up at the inboard top of overcoat, the ceramic inside lining is installed at the inboard of overcoat through the end cover at the top of overcoat, four draw-in grooves have been seted up to the inboard bottom of end cover, four fixture blocks of top fixedly connected with of ceramic inside lining outer wall, it is equipped with the packing ring to inlay between the top of overcoat and the end cover, the bottom of overcoat is through four fastening screw fixedly connected with shroudings, it is equipped with the rubber sleeve to inlay between the top of shrouding and the bottom of overcoat.

Preferably, the bottom of end cover extends to the ladder inslot, the bottom of end cover and the bottom in ladder groove are laminated mutually, and the outer wall of end cover and the inner wall threaded connection in ladder groove.

Preferably, the four clamping grooves and the four clamping blocks are distributed along the vertical direction, the four clamping grooves are respectively matched with the four clamping blocks, and the four clamping grooves are distributed in an annular array.

Preferably, the outer wall of the ceramic lining is attached to the inner wall of the outer sleeve, and the straight line where the axis of the ceramic lining is located coincides with the straight line where the axis of the outer sleeve is located.

Preferably, the bottom of the ceramic lining extends to the outside of the outer sleeve, and a rubber sleeve is sleeved on the outer wall of the ceramic lining.

Preferably, four fastening screws are distributed in an annular array, the fastening screws sequentially penetrate through the sealing plate and the rubber sleeve and extend to the inner portion of the outer sleeve, and the fastening screws are in threaded connection with the bottom of the outer sleeve.

Preferably, the outer sleeve is made of a nylon material, and the gasket and the rubber sleeve are made of rubber materials.

Advantageous effects

The utility model provides a ceramic cylinder liner for slush pump. Compared with the prior art, the method has the following beneficial effects:

(1) this ceramic cylinder liner for mud pump is designed as detachable structure through the mud pump cylinder jacket that forms with the monolithic casting, divide into overcoat and ceramic inside lining with the cylinder liner, after wearing and tearing appear in the cylinder liner outside, can dismantle single overcoat, and inside ceramic inside lining throws away and can use, has avoided the waste of resource, and it is convenient to dismantle.

(2) This ceramic cylinder liner for mud pump, through with traditional cylinder liner replacement that forms by single cast iron material block casting for the outside overcoat and the inside ceramic inside lining of being made by ceramic material that is formed by the nylon preparation, nylon has improved outside wearability, and compares traditional cast iron material, the material is lighter, has improved the convenience of installation, and ceramic inside lining has improved the high temperature resistance of cylinder liner, has satisfied many-sided performance demand, has prolonged the life of cylinder liner.

Drawings

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

FIG. 2 is a schematic structural view of the top of the present invention;

FIG. 3 is a schematic structural view of the bottom of the present invention;

in the figure: 1. a jacket; 2. positioning a retainer ring; 3. a stepped groove; 4. an end cap; 5. a ceramic liner; 6. a card slot; 7. a clamping block; 8. a gasket; 9. fastening screws; 10. closing the plate; 11. a rubber sleeve.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a ceramic cylinder sleeve for a slurry pump comprises an outer sleeve 1, wherein the lower part of the outer wall of the outer sleeve 1 is provided with a positioning retainer ring 2, the top of the inner side of the outer sleeve 1 is provided with a stepped groove 3, the top of the outer sleeve 1 is provided with a ceramic lining 5 on the inner side of the outer sleeve 1 through an end cover 4, the bottom of the inner side of the end cover 4 is provided with four clamping grooves 6, the top of the outer wall of the ceramic lining 5 is fixedly connected with four clamping blocks 7, a gasket 8 is embedded between the top of the outer sleeve 1 and the end cover 4, the bottom of the outer sleeve 1 is fixedly connected with a sealing plate 10 through four fastening screws 9, a rubber sleeve 11 is embedded between the top of the sealing plate 10 and the bottom of the outer sleeve 1, the bottom of the end cover 4 extends into the stepped groove 3, the bottom of the end cover 4 is attached to the bottom of the stepped groove 3, the outer wall of the end cover 4 is in threaded connection with the inner wall of the stepped groove 3, the four clamping grooves 6 and the four clamping blocks 7 are distributed along the vertical direction, and the four clamping grooves 6 are respectively matched with the four clamping blocks 7, the four clamping grooves 6 are distributed in an annular array, the outer wall of the ceramic lining 5 is attached to the inner wall of the outer sleeve 1, the straight line of the axis of the ceramic lining 5 is coincident with the straight line of the axis of the outer sleeve 1, the bottom of the ceramic lining 5 extends to the outside of the outer sleeve 1, the outer wall of the ceramic lining 5 is sleeved with a rubber sleeve 11, the four fastening screws 9 are distributed in an annular array, the fastening screws 9 sequentially penetrate through the sealing plate 10 and the rubber sleeve 11 and extend into the outer sleeve 1, the fastening screws 9 are in threaded connection with the bottom of the outer sleeve 1, the outer sleeve 1 is made of a nylon material, the gasket 8 and the rubber sleeve 11 are made of a rubber material, the slurry pump cylinder sleeve formed by integral casting is designed into a detachable structure, the cylinder sleeve is divided into the outer sleeve 1 and the ceramic lining 5, when the outside of the cylinder sleeve is worn, the single outer sleeve 1 can be detached, and the ceramic lining 5 inside can be used, the waste of resources is avoided, and the disassembly is convenient.

When the sealing plate device works, during installation, firstly, an operator sleeves a gasket 8 on the outer wall of the end cover 4, clamps the end cover 4 and the top of the ceramic lining 5, respectively clamps four clamping blocks 7 in four clamping grooves 6, extends the ceramic lining 5 into the outer sleeve 1, rotates the end cover 4 to enable the end cover 4 to be in threaded connection with the inner wall of the outer sleeve 1 until the bottom of the end cover 4 extends into the stepped groove 3 and the bottom of the end cover 4 is attached to the bottom of the stepped groove 3, at the moment, the gasket 8 is tightly embedded between the end cover 4 and the outer sleeve 1, aims at the bottom of the outer sleeve 1, extends the bottom of the ceramic lining 5 to the outside of the outer sleeve 1, the operator can sleeve a rubber sleeve 11 on the outer wall of the ceramic lining 5 extending outside and sleeve a sealing plate 10 on the outer wall of the rubber sleeve 11, and fixedly installs the sealing plate 10 at the bottom of the outer sleeve 1 by using four fastening screws 9, the rubber sleeve 11 is tightly embedded among the sealing plate 10, the outer sleeve 1 and the ceramic lining 5, so that the assembling operation of the cylinder sleeve is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a ceramic cylinder liner for slush pump, includes overcoat (1), its characterized in that: the lower part of overcoat (1) outer wall is provided with location retaining ring (2), ladder groove (3) have been seted up at the inboard top of overcoat (1), ceramic inside lining (5) are installed in the inboard of overcoat (1) through end cover (4) at the top of overcoat (1), four draw-in grooves (6) have been seted up to end cover (4) inboard bottom, four fixture blocks (7) of the top fixedly connected with of ceramic inside lining (5) outer wall, it is equipped with packing ring (8) to inlay between the top of overcoat (1) and end cover (4), the bottom of overcoat (1) is through four fastening screw (9) fixedly connected with shrouding (10), it is equipped with rubber sleeve (11) to inlay between the top of shrouding (10) and the bottom of overcoat (1).

2. The ceramic cylinder liner for a slurry pump according to claim 1, wherein: the bottom of end cover (4) extends to in ladder groove (3), the bottom of end cover (4) is laminated with the bottom in ladder groove (3) mutually, and the outer wall of end cover (4) and the inner wall threaded connection in ladder groove (3).

3. The ceramic cylinder liner for a slurry pump according to claim 1, wherein: four draw-in grooves (6) and four fixture blocks (7) all distribute along vertical direction, four draw-in grooves (6) are respectively with four fixture blocks (7) looks adaptation, and four draw-in grooves (6) are the ring array and distribute.

4. The ceramic cylinder liner for a slurry pump according to claim 1, wherein: the outer wall of the ceramic lining (5) is attached to the inner wall of the outer sleeve (1), and the straight line where the axis of the ceramic lining (5) is located coincides with the straight line where the axis of the outer sleeve (1) is located.

5. The ceramic cylinder liner for a slurry pump according to claim 1, wherein: the bottom of the ceramic lining (5) extends to the outside of the outer sleeve (1) and the outer wall of the ceramic lining (5) is sleeved with a rubber sleeve (11).

6. The ceramic cylinder liner for a slurry pump according to claim 1, wherein: four fastening screw (9) are the annular array and distribute, fastening screw (9) run through in shrouding (10) and rubber sleeve (11) in proper order and extend to the inside of overcoat (1), fastening screw (9) and the bottom threaded connection of overcoat (1).

7. The ceramic cylinder liner for a slurry pump according to claim 1, wherein: the outer sleeve (1) is made of a nylon material, and the gasket (8) and the rubber sleeve (11) are both made of rubber materials.