CN214753184U - Mounting structure for potentiometer of caliper instrument perpendicular to plunger rod - Google Patents
Mounting structure for potentiometer of caliper instrument perpendicular to plunger rod Download PDFInfo
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- CN214753184U CN214753184U CN202121431463.5U CN202121431463U CN214753184U CN 214753184 U CN214753184 U CN 214753184U CN 202121431463 U CN202121431463 U CN 202121431463U CN 214753184 U CN214753184 U CN 214753184U
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- plunger rod
- potentiometer
- gland
- spring
- mounting structure
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Abstract
The utility model discloses a mounting structure of a potentiometer of a well diameter instrument, which is vertical to a plunger rod, and comprises a spring box, a plunger rod, a gland, a spring, a plunger rod crank arm, a potentiometer pull rod and a potentiometer, a first through hole is arranged in the middle of the spring box in a penetrating way, four mounting holes are evenly arranged on the outer ring of the spring box positioned in the first through hole in a penetrating way, the upper end of the spring box is fixedly connected with a gland, plunger rods are respectively and movably arranged in the four mounting holes, the bottom end of the plunger rod is integrally provided with a piston head, the outer ring of the plunger rod is movably sleeved with a spring, the spring is positioned between the piston head and a gland, the upper end of the plunger rod movably penetrates through the gland to the outside, and the upper end of the plunger rod is fixedly connected with a plunger rod crank arm, the outer side of the plunger rod crank arm is movably hinged with a potentiometer pull rod through a pin shaft, and the bottom end of the potentiometer pull rod is movably hinged with a sliding block through a pin shaft. The utility model has the advantages of simple and reasonable structure, the well logging is effectual, and the cost of manufacture is low, and the practicality is strong.
Description
Technical Field
The utility model relates to a logging instrument, specifically relate to a hole diameter instrument potentiometre perpendicular to plunger rod mounting structure.
Background
In the process of oil well exploitation, an instrument for measuring the diameter of an oil well is needed, the instrument for measuring the diameter of the oil well is also called a caliper, the caliper needs to detect the diameter of the oil well from a well head to a well bottom, so that a diameter change value of the whole oil well is obtained, whether the oil well collapses or not is judged, whether the oil well meets a resistance or not in the next process, and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a caliper instrument potentiometre perpendicular to plunger rod mounting structure is provided, solved current caliper instrument in the use of potentiometre, the mounting structure of potentiometre is unreasonable, can not very accurate reaction go out the change of whole oil well diameter to can influence the staff and finally pass through the judgement of oil well diameter to the oil well condition, can make the problem of error decision-making on construction process.
In order to solve the technical problem, the utility model provides a following technical scheme: a mounting structure of a potentiometer of a well diameter instrument, which is vertical to a plunger rod, comprises a spring box, a plunger rod, a gland, a spring, a plunger rod crank arm, a potentiometer pull rod and a potentiometer, wherein a through hole I is formed in the middle of the spring box in a penetrating manner, four mounting holes are uniformly formed in the outer ring of the spring box, which is positioned in the through hole I, in a penetrating manner, the upper end of the spring box is fixedly connected with the gland, the plunger rod is movably mounted in each mounting hole, the bottom end of the plunger rod is integrally provided with a piston head, the outer ring of the plunger rod is movably sleeved with the spring, the spring is positioned between the piston head and the gland, the upper end of the plunger rod movably penetrates through the gland to the outside, the upper end of the plunger rod is fixedly connected with the plunger rod crank arm, the outer side of the plunger rod crank arm is movably hinged with the potentiometer pull rod through a pin shaft, the bottom end of the potentiometer pull rod is movably hinged through a pin shaft, the sliding block is connected to the potentiometer in a sliding manner, the potentiometer is fixedly connected to the press cover.
On the basis of the scheme, the piston head is in sliding fit with the mounting hole, and the plunger rod is in sliding fit with the gland.
On the basis of the scheme, the center of the gland is provided with a second through hole in a penetrating manner.
On the basis of the scheme, the potentiometer is vertically arranged with the plunger rod.
On the basis of the scheme, external threads are respectively arranged on the outer walls of the upper end and the lower end of the spring box.
Compared with the prior art, the utility model beneficial effect who has is: the utility model provides a diameter instrument potentiometre perpendicular to plunger rod mounting structure adopts new structure, lets the potentiometre perpendicular and plunger rod installation, stimulates and promotes through the potentiometre pull rod sliding block on to the potentiometre, can be accurate show the diameter change of oil well at the caliper logging in-process, has improved the quality of logging, has guaranteed going on smoothly of follow-up technology, the utility model has the advantages of simple and reasonable structure, the well logging is effectual, makes into the background, and the practicality is strong.
Drawings
Fig. 1 is a schematic structural view of a hole diameter instrument potentiometer perpendicular to a plunger rod mounting structure according to the present invention;
fig. 2 is a schematic view of the upper end partial structure of the hole diameter instrument potentiometer perpendicular to the plunger rod mounting structure of the present invention;
fig. 3 is a top plan view of a caliper potentiometer perpendicular to a plunger rod mounting structure of the present invention;
fig. 4 is a schematic structural view of a spring case of the potentiometer perpendicular to the plunger rod mounting structure of the caliper of the present invention;
fig. 5 is a top view of the upper end of the spring case of the caliper potentiometer perpendicular to the plunger rod mounting structure of the present invention;
fig. 6 is a schematic view of a gland structure of a caliper potentiometer perpendicular to a plunger rod mounting structure of the present invention;
fig. 7 is a top view of the upper end of the gland of the caliper potentiometer perpendicular to the plunger rod mounting structure of the present invention.
The reference numbers in the figures are: the device comprises a spring box 1, a through hole I101, a mounting hole 102, a plunger rod 2, a piston head 201, a gland 3, a spring 4, a plunger rod crank 5, a potentiometer pull rod 6, a potentiometer 7 and a sliding block 701.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to 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 to 7, it can be known that a mounting structure of a potentiometer of a borehole diameter instrument perpendicular to a plunger rod comprises a spring box 1, a plunger rod 2, a gland 3, a spring 4, a plunger rod crank arm 5, a potentiometer pull rod 6 and a potentiometer 7, wherein a through hole I101 is formed in the middle of the spring box 1 in a penetrating manner, four mounting holes 102 are uniformly formed in the outer ring of the spring box 1 positioned in the through hole I in a penetrating manner, the gland 3 is fixedly connected to the upper end of the spring box 1, the plunger rods 2 are movably mounted in the four mounting holes 102 respectively, a piston head 201 is integrally arranged at the bottom end of the plunger rod 2, the spring 4 is movably sleeved on the outer ring of the plunger rod 2, the spring 4 is positioned between the piston head 201 and the gland 3, the spring 4 can restore the compressed piston head 201 to the original position, the upper end of the plunger rod 2 movably penetrates through the gland 3 to the outside, and the plunger rod crank arm 5 is fixedly connected to the upper end of the plunger rod 2, the outer side of the plunger rod crank arm 5 is movably hinged with a potentiometer pull rod 6 through a pin shaft, the bottom end of the potentiometer pull rod 6 is movably hinged with a sliding block 701 through a pin shaft, the sliding block 701 is connected to a potentiometer 7 in a sliding mode, the potentiometer 7 is fixedly connected to a gland 3, the potentiometer 7 is a product in the prior art, the potentiometer 7 is a sliding rheostat, the sliding block 701 is a movable contact on the potentiometer 7, and the size of the resistor is changed through the position movement of the sliding block 701.
The piston head 201 is in sliding fit with the mounting hole 102, and the plunger rod 2 is in sliding fit with the gland 3, so that the plunger rod 2 can move up and down in the mounting hole 102 conveniently; a through hole II is formed in the center of the gland 3 in a penetrating manner, so that the through hole I can be conveniently communicated; the potentiometer 7 is vertically arranged with the plunger rod 2, so that the diameter change of the oil well can be accurately measured; be equipped with the external screw thread on the outer wall of both ends about the spring box 1 respectively, be convenient for the utility model discloses and the fixed connection between other accessories.
The utility model discloses a principle and advantage: a potentiometer of a caliper is vertical to a plunger rod mounting structure, when in use, the utility model is fixedly mounted on the caliper through external threads on the outer walls of the upper end and the lower end of a spring box 1, the bottom end of a piston head 201 at the lower end of a plunger rod 2 can be in tight contact with other accessories (other structures of the caliper are the prior mature technology, the prior caliper also obtains the change value of the diameter of an oil well through the change of the resistance value of other types of potentiometers 7), when the piston head 201 is pushed, the whole plunger rod 2 moves upwards, a potentiometer crank arm 5 at the top end of the plunger rod 2 pulls a sliding block 701 to move outwards through a potentiometer pull rod 6, a spring 4 is compressed by the piston head 201, when a part pushing the piston head 201 looses the thrust on the piston head 201, the spring 4 extends, the piston head 201 is pushed to drive the whole plunger rod 2 to move downwards, the potentiometer crank arm 5 at the top end of the plunger rod 2 pushes the sliding block 701 to move inwards through the potentiometer pull rod 6, at the in-process that sliding block 701 removed to the outside and inboard, the resistance value of potentiometre 7 can change, will demonstrate the change of oil well diameter so in the caliper to let the accurate and clear change value that obtains whole oil well diameter of staff (the logging process of caliper is current maturation technology, does not influence the utility model discloses a do not do detailed description under the clear circumstances of structure), thereby the process of arranging technology on next step that can be accurate, the utility model has the advantages of simple and reasonable structure, logging data is accurate, and the cost of manufacture is low, is fit for using widely.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. The utility model provides a hole diameter instrument potentiometre perpendicular to plunger rod mounting structure, includes spring box (1), plunger rod (2), gland (3), spring (4), plunger rod turning arm (5), potentiometre pull rod (6) and potentiometre (7), its characterized in that: the spring box is characterized in that a through hole I (101) is formed in the middle of the spring box (1) in a penetrating manner, four mounting holes (102) are uniformly formed in the outer ring of the spring box (1) positioned in the through hole I in a penetrating manner, a gland (3) is fixedly connected to the upper end of the spring box (1), plunger rods (2) are respectively and movably mounted in the four mounting holes (102), a piston head (201) is integrally arranged at the bottom end of each plunger rod (2), a spring (4) is movably sleeved on the outer ring of each plunger rod (2), the spring (4) is positioned between the piston head (201) and the gland (3), the upper end of each plunger rod (2) movably penetrates through the gland (3) to the outside, a crank arm (5) is fixedly connected to the upper end of each plunger rod (2), a potentiometer pull rod (6) is movably hinged to the outer side of each crank arm (5) through a pin shaft, and a sliding block (701) is movably hinged to the bottom end of each potentiometer pull rod (6) through a pin shaft, the sliding block (701) is connected to the potentiometer (7) in a sliding mode, and the potentiometer (7) is fixedly connected to the gland (3).
2. A caliper potentiometer perpendicular to plunger rod mounting structure according to claim 1, wherein the piston head (201) is slidably engaged with the mounting hole (102) and the plunger rod (2) is slidably engaged with the gland (3).
3. The mounting structure of the caliper potentiometer perpendicular to the plunger rod as claimed in claim 1, wherein a second through hole is formed in the center of the gland (3) in a penetrating manner.
4. A caliper potentiometer perpendicular to the plunger rod mounting structure according to claim 1, characterized in that the potentiometer (7) is mounted perpendicular to the plunger rod (2).
5. The mounting structure of the potentiometer of the caliper perpendicular to the plunger rod as claimed in claim 1, wherein the outer walls of the upper end and the lower end of the spring case (1) are respectively provided with an external thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121431463.5U CN214753184U (en) | 2021-06-26 | 2021-06-26 | Mounting structure for potentiometer of caliper instrument perpendicular to plunger rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121431463.5U CN214753184U (en) | 2021-06-26 | 2021-06-26 | Mounting structure for potentiometer of caliper instrument perpendicular to plunger rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214753184U true CN214753184U (en) | 2021-11-16 |
Family
ID=78630833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121431463.5U Active CN214753184U (en) | 2021-06-26 | 2021-06-26 | Mounting structure for potentiometer of caliper instrument perpendicular to plunger rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214753184U (en) |
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2021
- 2021-06-26 CN CN202121431463.5U patent/CN214753184U/en active Active
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