CN214818257U - Annular wedge-shaped tool for disassembling valve sleeve of reciprocating pump valve - Google Patents
Annular wedge-shaped tool for disassembling valve sleeve of reciprocating pump valve Download PDFInfo
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- CN214818257U CN214818257U CN202121385147.9U CN202121385147U CN214818257U CN 214818257 U CN214818257 U CN 214818257U CN 202121385147 U CN202121385147 U CN 202121385147U CN 214818257 U CN214818257 U CN 214818257U
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Abstract
The utility model relates to a ring type wedge-shaped tool for disassembling a valve sleeve of a reciprocating pump valve, which comprises a lifting part and a locking part, wherein the locking part comprises a plurality of positioning rods distributed along the circumferential direction and a ring-shaped bracket fixedly connected with the upper ends of the positioning rods; the lifting part comprises a handle, a pull rod and an extraction base which are fixedly connected in sequence from top to bottom, the diameters of the handle and the pull rod are smaller than the inner diameter of the annular support, the extraction base is in a conical shape with a small upper part and a large lower part, an included angle between the side surface and the bottom surface of the extraction base forms an outer wedge angle matched with the inner wedge angle, and the sum of the outer wedge angle and the inner wedge angle is 90 degrees. The utility model relates to an adopt the auto-lock principle of slide wedge, place pore wall department in the valve barrel with the locating lever of ring-shaped distribution, through the friction auto-lock location of drawing base and wedge locating lever, concentrate pressure through the wedge locating pin and act on the inner wall of valve barrel, dismantle the separation with the valve barrel from the valve cavity, efficiency is fast, and operation occupation space is little.
Description
Technical Field
The utility model relates to a valve barrel extracting tool technical field especially involves the valve barrel dismantlement of high-pressure reciprocating pump valve, specifically indicates a dismantle ring type wedge instrument of reciprocating pump valve barrel.
Background
The disassembly of the valve sleeve of the pump valve is an operation frequently encountered in maintenance, and the traditional method for disassembling the valve sleeve of the pump valve of the high-pressure reciprocating pump is to insert a short steel bar into an inner cavity of the valve sleeve in an inclined mode, the two ends of the steel bar are placed in circular holes in the bottom of the valve sleeve, the middle of the steel bar is connected with a steel wire rope, and then the steel wire rope is driven by a hoisting electric hoist to lift the valve sleeve out of the valve cavity. Because the valve sleeve of the high-pressure reciprocating pump valve is excessively matched with the valve cavity originally, the bottom of the valve sleeve is deformed along with repeated impact of high-pressure water, so that the valve sleeve is in interference fit in the valve cavity, and the valve sleeve is clamped in the valve cavity. The time and labor are wasted during disassembly, the upper space of the disassembly tool is narrow, the deformed valve sleeve is not easy to take out from the valve cavity by field maintainers, the disassembly time is long, the overhaul progress is influenced, and the labor intensity of the maintainers is increased.
Disclosure of Invention
The utility model discloses to prior art's not enough, provide a dismantle ring type wedge instrument of reciprocating pump valve barrel, be applicable to the dismantlement of high-pressure reciprocating pump valve barrel, improved the efficiency of dismantling the valve barrel by a wide margin.
The utility model is realized by the following technical scheme, the ring type wedge-shaped tool for disassembling the valve sleeve of the reciprocating pump valve comprises a lifting part and a locking part, wherein the locking part comprises a plurality of positioning rods distributed along the circumferential direction and a ring-shaped bracket fixedly connected with the upper ends of the positioning rods, the inner side of the lower end of each positioning rod is provided with an inner wedge angle, and the outer diameter of the circle where each positioning rod is positioned is matched with the inner diameter of the valve sleeve;
the lifting part comprises a handle, a pull rod and an extraction base which are fixedly connected in sequence from top to bottom, the diameters of the handle and the pull rod are smaller than the inner diameter of the annular support, the extraction base is in a conical shape with a small upper part and a large lower part, an included angle between the side surface and the bottom surface of the extraction base forms an outer wedge angle matched with the inner wedge angle, and the sum of the outer wedge angle and the inner wedge angle is 90 degrees.
This scheme is when using, to draw base and locking portion and successively put into the valve barrel, interior wedge angle and the laminating of outer wedge angle, through the upwards pulling handle of lifting equipment such as hoist and mount electric block, pass the pulling force to drawing the base through the pull rod, the messenger draws the base to shift up, in-process drawing the base and shifting up, through the setting of outer wedge angle and interior wedge angle, make the locating lever compress tightly the valve barrel inner wall, thereby increased and the frictional force between the valve barrel inner wall, realize friction auto-lock location, concentrate the action on the inner wall of valve barrel through the locating lever with pressure, thereby make the valve barrel dismantle the separation from the valve intracavity.
As optimization, the positioning rods are four and are uniformly distributed along the circumferential direction. The friction self-locking of four positions is realized by the arrangement of the optimization scheme, the reliability of the action on the inner wall of the valve sleeve is ensured, the stress uniformity is improved, and the phenomenon that the locking part is inclined to slip is avoided.
As optimization, the positioning rods are arc-shaped plates, the outer diameters of the positioning rods are matched with the inner diameter of the valve sleeve, and the width directions of the two adjacent positioning rods are mutually perpendicular. The setting of this optimization scheme has increased the area of contact between locating lever and the valve barrel inner wall to increased the frictional force between locating lever and the valve barrel inner wall, further improved friction auto-lock effect.
Preferably, the inner wedge angle is 18-20 degrees. The setting of the inner wedge angle of the optimized scheme not only ensures the self-locking effect, but also avoids the deformation in the hanging-out process caused by the over-small angle.
Preferably, the handle, the pull rod and the extraction base are coaxially arranged. The arrangement of the optimized scheme improves the reliability of force transmission and avoids the deviation when the lifting-out is carried out.
The utility model has the advantages that: through the setting of wedge locating lever and extraction base, realize the slide wedge auto-lock, the pulling force when making hoist and mount has partly to turn into the pressure to the valve barrel inner wall, has increased the wholeness of carrying portion, locking portion and valve barrel, has realized the valve barrel from the quick dismantlement separation of valve pocket, simple structure, and convenient operation is fit for maintaining and using, has improved maintenance operating efficiency.
Drawings
FIG. 1 is a schematic view of the present invention in use;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic view of the locking portion of the present invention;
FIG. 4 is a schematic view of the structure of the lifting part of the present invention;
shown in the figure:
1. annular support, 2, first wedge locating lever, 3, second wedge locating lever, 4, third wedge locating lever, 5, fourth wedge locating lever, 6, handle, 7, pull rod, 8, draw the base.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in figure 1, the ring type wedge-shaped tool for disassembling the valve sleeve of the reciprocating pump valve is characterized in that a using method of the tool adopts a self-locking principle of wedges, wedge-shaped positioning rods distributed in a ring shape are placed on the inner hole wall of the valve sleeve, self-locking positioning is realized by friction of a base and the positioning rods, upward pulling force of a hoisting electric block is utilized, force is transferred by adopting a wedge structure, pressure is intensively acted on the inner wall of the valve sleeve through the positioning rods, the valve sleeve is disassembled and separated from the valve cavity, efficiency is high, occupied space for operation is small, the valve sleeve of the reciprocating pump valve is disassembled simply, conveniently, safely and reliably, and the problems in the background technology can be effectively solved.
Concretely, this embodiment dismantles ring type wedge instrument of reciprocating pump valve barrel is including carrying pull portion and locking portion, locking portion includes a plurality of locating levers that distribute along circumference to and with the ring carrier 1 of each locating lever upper end rigid coupling, the length direction of each locating lever all is perpendicular with ring carrier place disc, locating lever and ring carrier welding improve joint strength, utilize ring carrier maintenance locating lever, prevent that the wedge locating lever from shifting in the vertical direction, the external diameter and the valve barrel internal diameter of ring carrier 1 are perpendicularThe minimum limit size of the upper surface of the solid body is the same. The outer diameter of the circle where each positioning rod is located is matched with the inner diameter of the valve sleeve, and the inner side of the lower end of each positioning rod is provided with an inner wedge angle R1In order to avoid overlong inner wedge angle part of each positioning rod caused by undersize inner wedge angle, the inner wedge angle is 18-20 degrees, and the inner wedge angle R of each positioning rod in the embodiment1All at 18 deg. to avoid the part of the positioning rod where the inner wedge angle is located being too long to deform when hanging out.
As an optimization scheme, as shown in fig. 3, the positioning rods of this embodiment are four, which are respectively a first wedge-shaped positioning rod 2, a second wedge-shaped positioning rod 3, a third wedge-shaped positioning rod 4 and a fourth wedge-shaped positioning rod 5, the four positioning rods are uniformly distributed along the circumferential direction, the positioning rods are arc-shaped plates, the outer diameters of the positioning rods are adapted to the inner diameter of the valve sleeve, and the width directions of the two adjacent positioning rods are perpendicular to each other. Specifically, as shown in fig. 2, the first wedge-shaped positioning rod 2 and the second wedge-shaped positioning rod 3 are vertically distributed with each other with the center of the pull rod as a center of a circle, the third wedge-shaped positioning rod 4 and the fourth wedge-shaped positioning rod 5 are vertically distributed with each other with the center of the pull rod as a center of a circle, the first wedge-shaped positioning rod 2 and the third wedge-shaped positioning rod 4 are symmetrically distributed with the center of the pull rod as a center Y-axis, and the second wedge-shaped positioning rod 3 and the fourth wedge-shaped positioning rod 5 are symmetrically distributed with the center of the pull rod as a center X-axis.
As shown in fig. 4, the lifting part comprises a handle 6, a pull rod 7 and an extraction base 8 which are fixedly connected in sequence from top to bottom, the handle, the pull rod and the extraction base are coaxially arranged, the diameters of the handle and the pull rod are smaller than the inner diameter of the annular bracket, the extraction base is in a conical shape with a small top and a big bottom, and an included angle between the side surface and the bottom surface of the extraction base forms an outer wedge angle R matched with the inner wedge angle2The sum of the outer wedge angle and the inner wedge angle is 90 °.
For preventing the utility model discloses the dead phenomenon of auto-lock appears in the instrument after taking out the valve barrel, scribbles in the circular cone inclined plane department that draws the base and establishes the molybdenum disulfide layer, and the ring type wedge instrument of conveniently dismantling reciprocating pump valve barrel breaks away from with the valve barrel.
During the use, handle 6 drives pull rod 7 earlier and will draw base 8 and put into the valve barrel bottom perpendicularly, and the valve barrel middle part is put into perpendicularly to the annular bracket 1 drive each locating lever again, utilizes the perpendicular ascending pulling force of hoist and mount electric block to drive handle 6 rebound at last, draws base 8 and respectively has wedge-shaped locating lever formation friction auto-lock, concentrates the action on the inner wall of valve barrel with pressure through the locating lever, with the valve barrel from the intracavity dismantlement separation of valve barrel, convenient operation reduces maintenance duration, the utility model discloses simple structure has improved maintenance operation efficiency, has ensured operator's personal safety simultaneously.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (5)
1. The utility model provides a dismantle ring type wedge instrument of reciprocating pump valve barrel which characterized in that: the valve sleeve comprises a lifting part and a locking part, wherein the locking part comprises a plurality of positioning rods distributed along the circumferential direction and an annular bracket fixedly connected with the upper end of each positioning rod, an inner wedge angle is arranged on the inner side of the lower end of each positioning rod, and the outer diameter of a circle where each positioning rod is located is matched with the inner diameter of the valve sleeve;
the lifting part comprises a handle, a pull rod and an extraction base which are fixedly connected in sequence from top to bottom, the diameters of the handle and the pull rod are smaller than the inner diameter of the annular support, the extraction base is in a conical shape with a small upper part and a large lower part, an included angle between the side surface and the bottom surface of the extraction base forms an outer wedge angle matched with the inner wedge angle, and the sum of the outer wedge angle and the inner wedge angle is 90 degrees.
2. The ring wedge tool for disassembling a valve sleeve of a reciprocating pump valve as claimed in claim 1, wherein: the locating lever is four, and along circumference evenly distributed.
3. The ring wedge tool for disassembling a valve sleeve of a reciprocating pump valve as claimed in claim 2, wherein: the locating lever is the arc, the external diameter of locating lever and the internal diameter adaptation of valve barrel, the width direction mutually perpendicular of two adjacent locating levers.
4. The ring wedge tool for disassembling a valve sleeve of a reciprocating pump valve as claimed in claim 1, wherein: the inner wedge angle is 18-20 degrees.
5. The ring wedge tool for disassembling a valve sleeve of a reciprocating pump valve as claimed in claim 1, wherein: the handle, the pull rod and the extraction base are coaxially arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121385147.9U CN214818257U (en) | 2021-06-22 | 2021-06-22 | Annular wedge-shaped tool for disassembling valve sleeve of reciprocating pump valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121385147.9U CN214818257U (en) | 2021-06-22 | 2021-06-22 | Annular wedge-shaped tool for disassembling valve sleeve of reciprocating pump valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214818257U true CN214818257U (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121385147.9U Active CN214818257U (en) | 2021-06-22 | 2021-06-22 | Annular wedge-shaped tool for disassembling valve sleeve of reciprocating pump valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214818257U (en) |
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2021
- 2021-06-22 CN CN202121385147.9U patent/CN214818257U/en active Active
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