CN206448938U - Mud slurry pump cylinder jacket component - Google Patents

Abstract

The utility model proposes a kind of mud slurry pump cylinder jacket component, including clack box, end is crimped on the first cylinder sleeve on clack box, and the first cylinder sleeve can be fixed in the keeper on clack box, chamber is formed with first cylinder sleeve, the sealing ring of salable first cylinder sleeve chamber is installed between the first cylinder sleeve and clack box, two sides of sealing ring are contacted with clack box and the first cylinder sleeve respectively, the end that first cylinder sleeve is contacted with clack box offers first annular groove, two annular inner walls of first annular groove are contacted with the outer circumference surface of sealing ring, clack box offers the second annular groove corresponding to first annular groove, two annular inner walls of the second annular groove are contacted with the outer circumference surface of sealing ring, first annular depth of groove is not more than the thickness of sealing ring with the second annular groove depth sum.The utility model can effectively keep the mud slurry pump cylinder jacket component of high leakproofness between the first cylinder sleeve and clack box, to improve the service life of slush pump, and reduce the maintenance cost of slush pump.

Description

Mud slurry pump cylinder jacket component

Technical field

The utility model belongs to mud pump for petroleum drilling technical field, more particularly to a kind of mud slurry pump cylinder jacket component.

Background technology

Mud pump for petroleum drilling refers in oil drilling process to be set to the machinery of the conveying flushing liquor such as mud or water in drilling Standby, it is oil drilling system " heart ", including cylinder sleeve and clack box.Wherein, mud slurry pump cylinder jacket is the weight of fluid end of pump Easy-abrasion part is wanted, it can directly affect the life-span of slush pump.

As depicted in figs. 1 and 2, it includes the first cylinder sleeve 1 that end is fitted on clack box 7 to existing mud slurry pump cylinder jacket, if The sealing ring 4 of the end of the first cylinder sleeve 1 is placed in, and the first cylinder sleeve 1 can be fixed in the keeper 6 on clack box 7, the first cylinder sleeve 1 Chamber is formed with, the first cylinder sleeve 1 is provided with the annular notch 3 with the first cylinder sleeve chamber with the end that clack box 7 is contacted, sealed Circle 4 is installed on annular notch 3, and the both ends of the surface of sealing ring 4 are crimped with the cylinder sleeve 1 of clack box 7 and first respectively.

However, endoporus when above-mentioned slush pump works under high pressure working environment due to sealing ring directly connects with mud Touch, therefore sealing ring can be made subject to severe abrasion, so that cause the sealing property between the first cylinder sleeve and clack box not reach requirement, With this so that mud leaks outside and influences the normal operation of other parts, and then the service life of slush pump is influenceed, and increased To the maintenance cost of slush pump.

The content of the invention

The utility model is directed to the existing technical problem that slush pump service life is low and maintenance cost is high, proposes a kind of energy The mud slurry pump cylinder jacket component of high leakproofness between enough effectively the first cylinder sleeve of holding and clack box, to improve the service life of slush pump, with And the maintenance cost of reduction slush pump.

In order to achieve the above object, the technical solution adopted in the utility model is：

A kind of mud slurry pump cylinder jacket component, including clack box, end are crimped on the first cylinder sleeve on clack box, and can fix first Cylinder sleeve is provided with salable first in being formed with chamber in the keeper on clack box, the first cylinder sleeve between the first cylinder sleeve and clack box The sealing ring of cylinder sleeve chamber, two sides of sealing ring are contacted with clack box and the first cylinder sleeve respectively, and the first cylinder sleeve is contacted with clack box End offer first annular groove, two annular inner walls of first annular groove are contacted with the outer circumference surface of sealing ring, Clack box offers the second annular groove corresponding to first annular groove, and two annular inner walls of the second annular groove are and sealing ring Outer circumference surface contact, first annular depth of groove and the second annular groove depth sum are not more than the thickness of sealing ring.

Preferably, one end of keeper is removably attachable on clack box, the other end of keeper and the first cylinder sleeve pressure Connect.

Preferably, being arranged with the second cylinder sleeve in the first cylinder sleeve, the outer wall of the second cylinder sleeve is fitted with the inwall of the first cylinder sleeve.

Preferably, the material of the first cylinder sleeve and the second cylinder sleeve is metal.

Preferably, the material of the first cylinder sleeve is carbon steel, the material of the second cylinder sleeve is high carbon high chromium alloy.

Preferably, the material of the first cylinder sleeve is metal, the material of the second cylinder sleeve is to turn into one with the hot insert of the first cylinder sleeve The zirconia ceramics of body.

It can prevent the second cylinder sleeve from deviating from from the first cylinder sleeve preferably, the other end that the first cylinder sleeve is contacted with clack box is provided with Stopping-receding bench.

Compared with prior art, advantage of the present utility model and good effect are：

The utility model mud slurry pump cylinder jacket component in the first cylinder sleeve end by opening up first annular groove so that in mud Sealing ring is isolated with mud during pump work, and the abrasion of sealing ring is avoided with this；The utility model mud slurry pump cylinder jacket component By opening up the second annular groove in clack box, it is to avoid because connected between keeper and clack box it is not close caused by the first cylinder sleeve The phenomenon of sealing difference occurs between clack box, and therefore, the utility model mud slurry pump cylinder jacket component can effectively keep the first cylinder High leakproofness between set and clack box, and then the service life of slush pump is ensure that, and reduce the maintenance cost of slush pump.

Brief description of the drawings

Fig. 1 is existing mud slurry pump cylinder jacket structural representation；

Fig. 2 is existing mud slurry pump cylinder jacket and clack box annexation schematic diagram；

Fig. 3 is the cylinder sleeve structural representation of the utility model mud slurry pump cylinder jacket component；

Fig. 4 is the utility model mud slurry pump cylinder jacket component overall structure diagram.

Above in each figure：1st, the first cylinder sleeve；2nd, the second cylinder sleeve；3rd, annular notch；4th, sealing ring；5th, first annular groove； 6th, keeper；7th, clack box；8th, the second annular groove.

Embodiment

Below, the utility model is specifically described by exemplary embodiment.It should be appreciated, however, that not having In the case of being further discussed below, element, structure and features in an embodiment can also be advantageously incorporated into other implementations In mode.

, it is necessary to explanation, the orientation of the instruction such as term "left", "right", " interior ", " outer " in description of the present utility model Or position relationship is, based on the position relationship shown in accompanying drawing 4, to be for only for ease of description the utility model and simplify description, without It is that instruction or the signified device of hint or element must have specific orientation, with specific azimuth configuration and operation, therefore not It is understood that as to limitation of the present utility model.In addition, term " first ", " second " be only used for describe purpose, and it is not intended that Indicate or imply relative importance.

As shown in Figures 1 and 2, a kind of mud slurry pump cylinder jacket component, including clack box 7, end is crimped on the first cylinder on clack box 7 Set 1, and the first cylinder sleeve 1 can be fixed in being formed with chamber, the first cylinder sleeve 1 and valve in the keeper 6 on clack box 7, the first cylinder sleeve 1 The sealing ring 4 of salable first cylinder sleeve chamber is installed between case 7, two sides of sealing ring 4 respectively with the cylinder of clack box 7 and first Set 1 is contacted, and the first cylinder sleeve 1 offers first annular groove 5, two annulars of first annular groove 5 with the end that clack box 7 is contacted Outer circumference surface of the inwall with sealing ring 4 is contacted, and clack box 7 offers the second annular groove 8 corresponding to first annular groove 5, the Outer circumference surface of two annular inner walls of second ring groove 8 with sealing ring 4 is contacted, and the first annular depth of groove 5 is (such as Fig. 4 institutes Show, depth is distance of the first annular high order end of groove 5 to low order end in the horizontal direction) (such as scheme with the depth of the second annular groove 8 Shown in 4, depth is distance of the high order end of the second annular groove 8 to low order end in the horizontal direction) sum is not more than the thickness of sealing ring 4 Degree (as shown in figure 4, thickness is distance of the high order end of sealing ring 4 to low order end in the horizontal direction).

The utility model mud slurry pump cylinder jacket component in the end of the first cylinder sleeve 1 by opening up first annular groove 5 so that in mud Sealing ring 4 is isolated with mud in the stock pump course of work, and the abrasion of sealing ring 4 is avoided with this；The utility model mud slurry pump cylinder jacket Component is in clack box 7 by opening up the second annular groove 8, it is to avoid because connected between keeper 6 and clack box 7 it is not close caused by The phenomenon of sealing difference occurs between first cylinder sleeve 1 and clack box 7, therefore, and relatively existing slush pump, which is used, opens up annular notch 3 (as depicted in figs. 1 and 2) in the way of installing sealing ring 4, the utility model mud slurry pump cylinder jacket component can effectively keep first High leakproofness between cylinder sleeve 1 and clack box 7, and then ensure that the service life of slush pump, and reduce the maintenance of slush pump into This.

For the mounting means of above-mentioned keeper 6, Ke Yiwei：As shown in figure 4, one end of keeper 6 is detachably connected In on clack box 7, the other end of keeper 6 is crimped with the first cylinder sleeve 1.

Further, the inwall patch of the second cylinder sleeve 2, the outer wall of the second cylinder sleeve 2 and the first cylinder sleeve 1 is arranged with the first cylinder sleeve 1 Close.The utility model sets the effect of the second cylinder sleeve 2 to be on the basis of the first cylinder sleeve, on the one hand can be according to the first cylinder sleeve Are carried out by different techniques and is added for the first cylinder sleeve 1 and the second cylinder sleeve 2 respectively the need for 1 high-tensile and the high rigidity of the second cylinder sleeve 2 (for example, the first cylinder sleeve 1 uses Fine Steel Casting iron hot pressing one-shot forming, the second cylinder sleeve 2 is using rich chromium cast iron spun casting for work Into), with this, improve the stability and service life of whole cylinder sleeve component；On the other hand, in the case of barrel wear, just In changing and recycling, resource has been saved with this.

It is preferred that, the material of the first cylinder sleeve 1 and the second cylinder sleeve 2 is metal.

In addition, the material of the first cylinder sleeve 1 can be carbon steel, the material of the second cylinder sleeve 2 can be high carbon high chromium alloy.

Further, the material of the first cylinder sleeve 1 is metal, and the material of the second cylinder sleeve 2 is to turn into one with the hot insert of the first cylinder sleeve 1 The zirconia ceramics of body.Because ceramic opposing metallic has higher wearability and high rigidity, therefore, the utility model is by setting The material for putting the second cylinder sleeve 2 is zirconia ceramics, and the service life of cylinder sleeve is extended with this, and reduces time for changing cylinder sleeve Number, further increases the service life of slush pump, and reduce the maintenance cost of slush pump.

Further, the first cylinder sleeve 1 is provided with the other end that clack box 7 is contacted can prevent the second cylinder sleeve 2 de- from the first cylinder sleeve 1 The stopping-receding bench gone out.The setting of stopping-receding bench can be fully ensured that in the slush pump course of work, the first cylinder sleeve 1 and the second cylinder sleeve 2 it Between stability.

Claims (7)

1. a kind of mud slurry pump cylinder jacket component, including clack box (7), end are crimped on the first cylinder sleeve (1) on clack box (7), Yi Jike The first cylinder sleeve (1) is fixed in the keeper (6) on clack box (7), the first cylinder sleeve (1) is interior to be formed with chamber, the first cylinder sleeve (1) and valve The sealing ring (4) of salable first cylinder sleeve chamber is installed between case (7), two sides of sealing ring (4) respectively with clack box (7) And first cylinder sleeve (1) contact, it is characterised in that：The end that first cylinder sleeve (1) is contacted with clack box (7) offers first annular groove (5), outer circumference surface of two annular inner walls of first annular groove (5) with sealing ring (4) is contacted, and clack box (7) corresponds to the One annular groove (5) offers the second annular groove (8), two annular inner walls of the second annular groove (8) with sealing ring (4) Outer circumference surface contact, first annular groove (5) depth and the second annular groove (8) depth sum are not more than sealing ring (4) Thickness.

2. mud slurry pump cylinder jacket component according to claim 1, it is characterised in that：One end of keeper (6) removably connects It is connected on clack box (7), the other end of keeper (6) is crimped with the first cylinder sleeve (1).

3. mud slurry pump cylinder jacket component according to claim 1, it is characterised in that：The second cylinder is arranged with first cylinder sleeve (1) Cover (2), the outer wall of the second cylinder sleeve (2) is fitted with the inwall of the first cylinder sleeve (1).

4. mud slurry pump cylinder jacket component according to claim 3, it is characterised in that：First cylinder sleeve (1) and the second cylinder sleeve (2) Material is metal.

5. mud slurry pump cylinder jacket component according to claim 4, it is characterised in that：The material of first cylinder sleeve (1) is carbon steel, the The material of two cylinder sleeves (2) is high carbon high chromium alloy.

6. mud slurry pump cylinder jacket component according to claim 3, it is characterised in that：The material of first cylinder sleeve (1) is metal, the The material of two cylinder sleeves (2) is the zirconia ceramics being integrally formed with the first cylinder sleeve (1) hot insert.

7. the mud slurry pump cylinder jacket component according to any one of claim 1-6, it is characterised in that：First cylinder sleeve (1) and valve The other end of case (7) contact is provided with the stopping-receding bench that can prevent that the second cylinder sleeve (2) from deviating from from the first cylinder sleeve (1).