CN217824929U - Main shaft mechanism of shear valve pulser - Google Patents
Main shaft mechanism of shear valve pulser Download PDFInfo
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- CN217824929U CN217824929U CN202221408750.9U CN202221408750U CN217824929U CN 217824929 U CN217824929 U CN 217824929U CN 202221408750 U CN202221408750 U CN 202221408750U CN 217824929 U CN217824929 U CN 217824929U
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- main shaft
- shear valve
- spindle
- shell
- valve pulser
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Abstract
The utility model relates to a main shaft mechanism of a shear valve pulser, which comprises a main shaft shell and a main shaft rod, wherein the main shaft rod is arranged inside the main shaft shell and is used for supporting and fixing the shear valve pulser; the inside mounting that is provided with of main shaft shell, the main shaft pole passes the inside through-hole of mounting and is connected with the mounting block, and the bottom of mounting and the circular stair structure butt of main shaft shell internal face, thereby make the main shaft pole can keep with main shaft shell relatively fixed, can use the main shaft pole as bearing structure with the shear valve pulser like this, carry out the support that stabilizes to the shear valve pulser, improve the installation steadiness of shear valve pulser, avoid the shear valve pulser to take place to break away from and influence the normal work of inclinometer with the inclinometer in the course of the work.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a shear valve spare part field, concretely relates to main shaft mechanism of shear valve pulser.
[ background ] A method for producing a semiconductor device
During the oil drilling work, the wireless inclinometer while drilling is utilized to detect the inside of an oil well, and a shear valve pulser is arranged inside the wireless inclinometer while drilling and is used for carrying out pulse counting on the pressure inside the oil well in the detection process. Along with the wireless inclinometer while drilling continuously goes deep into the petroleum well, the shearing valve pulser is subjected to higher pressure, and the shearing valve pulser can be loosened under the action of the internal pressure of the petroleum well, so that the shearing valve pulser fails. Therefore, how to ensure the installation stability of the shearing valve pulser in the wireless inclinometer while drilling directly determines the working performance of the wireless inclinometer while drilling.
[ Utility model ] content
The shear valve pulser of the conventional wireless inclinometer while drilling is usually arranged inside the wireless inclinometer while drilling in a clamping manner, and when the wireless inclinometer while drilling goes deep into an oil well, the pressure in the well can cause the shear valve pulser to be loosened, so that the shear valve pulser fails. In order to solve the above problem, an object of the utility model is to provide a main shaft mechanism of shear valve pulser, utilize main shaft mechanism to support shear valve pulser fixedly, improve shear valve pulser's installation steadiness.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a spindle mechanism for a shear valve pulser, comprising: a main shaft shell and a main shaft rod,
the spindle shell is of a hollow cylindrical structure as a whole, and a square hole is arranged on the side wall of the spindle shell in a penetrating manner; a circular step structure is formed on the inner wall surface of the main shaft shell;
the main shaft rod is arranged inside the main shaft shell and is provided with a cylindrical rod-shaped structure;
the fixing piece comprises a circular flat plate part, a first supporting part arranged below the circular flat plate part and a second supporting part arranged above the circular flat plate part;
a through hole penetrates through the center of the circular flat plate part, and the inner diameter of the through hole is equal to the outer diameter of the spindle rod; the main shaft rod penetrates through the through hole and is connected with the fixing piece in a clamping mode;
the bottom surface of the first support part is jointed with the circular step structure; the outer wall surfaces of the first support part and the second support part are mutually attached to the inner wall surface of the spindle housing.
The utility model provides a main shaft mechanism of shear valve pulser further sets up to:
the spindle mechanism further comprises a protective shell, and the protective shell is sleeved on the lower part of the spindle rod positioned on the fixing piece;
the top end of the protective shell is abutted to the fixing piece.
The circular flat plate portion, the first support portion, and the second support portion are integrally formed.
The thickness of the first supporting part is greater than that of the second supporting part.
The top end of the main shaft rod is abutted with a pressing block, and the outer peripheral surface of the pressing block is attached to the inner side surface of the second supporting part.
Compared with the prior art, the utility model discloses following beneficial effect has: the main shaft mechanism of the shear valve pulser comprises a main shaft shell and a main shaft rod, wherein the main shaft rod is arranged in the main shaft shell and is used for supporting and fixing the shear valve pulser; the inside mounting that is provided with of main shaft shell, the main shaft pole passes the inside through-hole of mounting and is connected with the mounting block, and the bottom of mounting and the circular stair structure butt of main shaft shell internal face, thereby make the main shaft pole can keep with main shaft shell relatively fixed, can use the main shaft pole as bearing structure with the shear valve pulser like this, carry out the support that stabilizes to the shear valve pulser, improve the installation steadiness of shear valve pulser, avoid the shear valve pulser to take place to break away from and influence the normal work of inclinometer with the inclinometer in the course of the work.
[ description of the drawings ]
Fig. 1 is a schematic view of the overall structure of a main shaft mechanism of a shear valve pulser provided in the present invention.
In the figure: 1. the spindle comprises a spindle shell, 2 parts of a spindle rod, 3 parts of a square hole, 4 parts of a circular step structure, 5 parts of a circular flat plate, 6 parts of a first supporting part, 7 parts of a second supporting part, 8 parts of a through hole, 9 parts of a protective shell, 10 parts of a pressing block.
[ detailed description ] embodiments
The spindle mechanism of the shear valve pulser of the present invention is described in further detail below with reference to specific embodiments.
As shown in fig. 1, the overall structure of the spindle mechanism of the shear valve pulser provided in the embodiment of the present invention is schematically illustrated. The main shaft mechanism of the shear valve pulser comprises a main shaft shell 1 and a main shaft rod 2. The main shaft housing 1 serves as a mechanism housing of the main shaft mechanism, the main shaft rod 2 is disposed inside the main shaft housing 1 and used for supporting the shear valve pulser, and the main shaft housing 1 is used for protecting the main shaft rod 2 and preventing the main shaft rod 2 from being distorted.
The spindle shell 1 is of a hollow cylindrical structure as a whole, and a square hole 3 is arranged on the side wall of the spindle shell 1 in a penetrating manner; a circular step structure 4 is formed on the inner wall surface of the main shaft shell 1; the main shaft rod 2 is of a cylindrical rod-shaped structure;
a fixed member including a circular flat plate portion 5, a first support portion 6 disposed below the circular flat plate portion 5, and a second support portion 7 disposed above the circular flat plate portion 5; the fixing piece is used as a connection medium of the main shaft rod 2 and the main shaft shell 1, and can stably connect the main shaft rod 2 and the main shaft shell 1 to prevent the main shaft rod 2 from sliding in the main shaft shell 1;
a through hole 8 penetrates through the center of the circular flat plate part 5, and the inner diameter of the through hole 8 is equal to the outer diameter of the main shaft rod 2; the main shaft rod 2 passes through the through hole 8 and is clamped and connected with the fixing piece; the main shaft rod 2 is clamped with the fixing piece through the through hole 8, so that the fixing piece can provide clamping acting force uniformly distributed along the circumferential direction for the main shaft rod 2, and the main shaft rod 2 is prevented from inclining;
the bottom surface of the first support part 6 is engaged with the circular step structure 4; the outer wall surfaces of the first support part 6 and the second support part 7 are mutually attached to the inner wall surface of the spindle housing 1; through the mode, the fixing piece can be guaranteed to be integrally installed at the preset position inside the spindle housing 1, and the fixing piece is prevented from displacing along the axial direction of the spindle housing 1.
Preferably, the spindle mechanism further comprises a protective shell 9, and the protective shell 9 is sleeved on a part of the spindle rod 2 below the fixing piece; the top end of the protective shell 9 is abutted against the fixing piece. Because the whole long and thin form that is of main shaft pole 2, establish protective housing 9 through the below part regional cover that is located the mounting at main shaft pole 2, can protect main shaft pole 2 like this, improve main shaft pole 2's mechanical strength, avoid main shaft pole 2 to break.
Preferably, the circular flat plate portion 5, the first support portion 6, and the second support portion 7 are integrally formed. The circular flat plate part 5, the first supporting part 6 and the second supporting part 7 are integrally formed, so that the manufacturing difficulty of the fixing piece can be reduced, and the integral mechanical strength of the fixing piece is improved.
Preferably, the thickness of the first support part 6 is greater than that of the second support part 7, which can improve the mechanical strength of the lower part of the fixing member, so that the bottom end of the fixing member is closely attached to the circular step structure 4.
Preferably, the top end of the main shaft 2 is abutted with a pressing block 10, and the outer peripheral surface of the pressing block 10 and the inner side surface of the second support part 7 are attached to each other. The top end of the main shaft rod 2 is abutted with a pressing block 10, so that the pressing block 10 and the circular step structure 4 interact with each other to keep the main shaft rod 2 relatively fixed in the main shaft shell 1.
The foregoing embodiments are illustrative only of the principles and effects of the present invention, as well as some embodiments, and are not intended to limit the invention; it should be noted that, for those skilled in the art, without departing from the inventive concept, several variations and modifications can be made, which all fall within the scope of the invention.
Claims (5)
1. A spindle mechanism for a shear valve pulser, comprising: main shaft shell and main shaft pole, its characterized in that:
the spindle shell is of a hollow cylindrical structure as a whole, and a square hole is arranged on the side wall of the spindle shell in a penetrating manner; a circular step structure is formed on the inner wall surface of the main shaft shell;
the main shaft rod is arranged inside the main shaft shell and is provided with a cylindrical rod-shaped structure;
the fixing piece comprises a circular flat plate part, a first supporting part arranged below the circular flat plate part and a second supporting part arranged above the circular flat plate part; a through hole penetrates through the center of the circular flat plate part, and the inner diameter of the through hole is equal to the outer diameter of the spindle rod; the main shaft rod penetrates through the through hole to be clamped and connected with the fixing piece;
the bottom surface of the first support part is jointed with the circular step structure; the outer wall surfaces of the first support part and the second support part are mutually attached to the inner wall surface of the spindle housing.
2. The shear valve pulser spindle mechanism according to claim 1, wherein:
the spindle mechanism further comprises a protective shell, and the protective shell is sleeved on the lower part of the spindle rod positioned on the fixing piece;
the top end of the protective shell is abutted to the fixing piece.
3. The shear valve pulser spindle mechanism of claim 1, wherein:
the circular flat plate portion, the first support portion, and the second support portion are integrally formed.
4. The shear valve pulser spindle mechanism according to claim 1, wherein:
the thickness of the first supporting part is greater than that of the second supporting part.
5. The shear valve pulser spindle mechanism of claim 1, wherein:
the top end of the main shaft rod is connected with a pressing block in an abutting mode, and the outer peripheral face of the pressing block is attached to the inner side face of the second supporting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221408750.9U CN217824929U (en) | 2022-06-08 | 2022-06-08 | Main shaft mechanism of shear valve pulser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221408750.9U CN217824929U (en) | 2022-06-08 | 2022-06-08 | Main shaft mechanism of shear valve pulser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217824929U true CN217824929U (en) | 2022-11-15 |
Family
ID=83988931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221408750.9U Active CN217824929U (en) | 2022-06-08 | 2022-06-08 | Main shaft mechanism of shear valve pulser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217824929U (en) |
-
2022
- 2022-06-08 CN CN202221408750.9U patent/CN217824929U/en active Active
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