CN211648090U - Mechanical shock rotary scale remover - Google Patents
Mechanical shock rotary scale remover Download PDFInfo
- Publication number
- CN211648090U CN211648090U CN202020340888.4U CN202020340888U CN211648090U CN 211648090 U CN211648090 U CN 211648090U CN 202020340888 U CN202020340888 U CN 202020340888U CN 211648090 U CN211648090 U CN 211648090U
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- sleeve
- sliding
- rotary
- rod
- scraper
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Abstract
A mechanical shock rotary cleaner comprises a cutter bar, a plurality of scrapers and other components, wherein the cutter bar is of a cavity structure, a plurality of through grooves capable of accommodating the scrapers are arranged in the radial direction of the cutter bar, the scrapers can be clamped in the through grooves along the radial direction of the cutter bar, the head end of a sleeve is fixedly connected with the tail end of the cutter bar, the radial direction of the sleeve is symmetrically provided with first chutes extending along the axial direction of the sleeve, the tail end of a sliding rod is connected in the first chutes in a sliding way through a first sliding pin, the head end of the sliding rod is connected in the cutter bar in a sliding way along the axial direction of the cutter bar, the radial outward direction of the sliding rod is provided with a supporting area, and when the supporting area is in contact with the inner side of the scrapers, the scrapers can be extruded outwards along the radial direction to enable the scrapers to be in contact with wall scale, the efficiency of the oil pumping is improved, and this structure has further reduced staff's intensity of labour.
Description
Technical Field
The utility model relates to an oil field equipment technical field, in particular to rotatory cleaner of mechanical shock.
Background
After the oil pumping pipe is used for a long time, scale can appear on the inner wall of the oil pumping pipe, the scale attached to the inner wall of the oil pumping pipe needs to be removed, and if the scale attached to the inner wall of the oil pumping pipe is not removed for a long time, the scale can be more and more incapable of oil extraction.
Disclosure of Invention
The utility model aims at providing a rotatory cleaner of mechanical shock for solve the problem that exists among the background art.
A mechanical shock rotary cleaner comprises a cutter bar, a plurality of scrapers, a sliding rod, a sleeve, a connecting rod, a first spring, a rotary fixed rod, a rotary sleeve and a well expansion device;
the scraper bar is of a cavity structure, a plurality of through grooves capable of accommodating the scraper are arranged in the radial direction of the scraper bar, and the scraper can move in the radial direction of the scraper bar and is clamped in the through grooves;
the head end of the sleeve is fixedly connected with the tail end of the cutter bar, first sliding grooves extending along the axial direction of the sleeve are symmetrically arranged in the radial direction of the sleeve, the tail end of the sliding rod is connected into the first sliding grooves in a sliding mode through a first sliding pin, the head end of the sliding rod is connected into the cutter bar in a sliding mode along the axial direction of the cutter bar, a supporting area is arranged in the radial outward direction of the sliding rod, and when the supporting area is in contact with the inner side of the scraper, the scraper can be extruded outwards along the radial direction to enable the scraper to be in contact with wall scales;
the connecting rod is rotatably connected inside the sleeve through a first sliding sleeve and can axially slide inside the sleeve, a limit is arranged at the tail end of the connecting rod, and a rotary fixed rod is arranged at the upper end of the limit;
the rotary sleeve is of a cavity structure with an opening at one side, a spiral groove extending along the axial direction of the rotary sleeve is arranged in the radial direction of the rotary sleeve, the tail end of the rotary fixed rod is rotatably connected in the spiral groove of the rotary sleeve through a second sliding pin, and the first spring is arranged between the inner cavity of the rotary sleeve and the end face of the tail end of the rotary fixed rod along the axial direction of the rotary sleeve;
the well expansion device is connected to the outer side of the rotary fixed rod in a rotating mode through the second sliding sleeve and can axially slide on the outer side of the rotary fixed rod, and the well expansion device is an existing product in the field of oilfield drilling and can be directly purchased and used.
The utility model has the advantages that:
the utility model discloses simple structure, convenient to use can effectively clear up the incrustation scale of oil pumping pipe inner wall, has improved the efficiency of oil pumping, and this structure has further reduced staff's intensity of labour.
Drawings
Fig. 1 is a perspective view of the cutter bar of the present invention.
Fig. 2 is a cross-sectional view of the cutter bar of the present invention.
Fig. 3 is a partial cross-sectional view of a plurality of blades disposed within a blade holder.
Fig. 4 is a sectional view of the slide bar of the present invention.
Fig. 5 is a partial cross-sectional view of the knife bar, slide bar and sleeve connection with the spatula in an extended position.
Fig. 6 is a partial sectional view of the connection of the slide bar, the connecting bar and the rotating fixed bar.
Fig. 7 is a schematic view of the structure of the rotary sleeve.
FIG. 8 is a partial structural view of the relative position of the rotating sleeve and the rotating stator bar when the first spring is uncompressed.
FIG. 9 is a partial cross-sectional view of the connection of the riser to the rotating casing.
FIG. 10 is a cross-sectional view of the support area of the slide bar contacting the inner wall of the scraper to press the scraper against the inner wall of the sucker rod.
Fig. 11 is a schematic view of the structure of the doctor blade.
Detailed Description
Referring to fig. 1 to 11, a mechanical shock rotary cleaner includes a tool bar 1, a plurality of scrapers 2, a sliding rod 3, a sleeve 4, a connecting rod 5, a first spring 6, a rotary fixed rod 7, a rotary sleeve 8 and a well expander 9;
the scraper bar 1 is of a cavity structure, a plurality of through grooves 10 capable of accommodating the scraper 2 are formed in the radial direction of the scraper bar 1, and the scraper 2 can move along the radial direction of the scraper bar 1 and is clamped in the through grooves 10;
the head end of the sleeve 4 is fixedly connected with the tail end of the cutter bar 1, first sliding grooves 40 extending along the axial direction of the sleeve 4 are symmetrically arranged in the radial direction of the sleeve 4, the tail end of the sliding rod 3 is connected in the first sliding grooves 40 in a sliding mode through a first sliding pin 30, the head end of the sliding rod 3 is connected in the cutter bar 1 in the axial direction of the cutter bar 1 in a sliding mode, a supporting area 31 is arranged in the radial outward direction of the sliding rod 3, and when the supporting area 31 is in contact with the inner side of the scraper 2, the scraper 2 can be extruded outwards along the radial direction to enable the scraper 2 to be in contact with wall dirt;
the connecting rod 5 is rotatably connected inside the sleeve 4 through a first sliding sleeve 51 and can axially slide inside the sleeve 4, a limit 50 is arranged at the tail end of the connecting rod 5, and a rotary fixed rod 7 is arranged at the upper end of the limit 50;
the rotating sleeve 8 is a cavity structure with an opening at one side, a spiral groove 80 extending along the axial direction of the rotating sleeve 8 is arranged in the radial direction of the rotating sleeve 8, the tail end of the rotating fixed rod 7 is rotatably connected in the spiral groove 80 of the rotating sleeve 8 through a second sliding pin 81, and the first spring 6 is arranged between the inner cavity of the rotating sleeve 8 and the tail end face of the rotating fixed rod 7 along the axial direction of the rotating sleeve 8;
the well expansion device 9 is rotatably connected to the outer side of the rotary fixed rod 7 through a second sliding sleeve 90 and can axially slide on the outer side of the rotary fixed rod 7, and the well expansion device 9 is an existing product in the field of oilfield drilling and can be directly purchased and used.
Furthermore, the head end of the cutter bar 1 is a conical structure, which can further reduce the resistance of the cutter bar 1 entering the oil extraction pipe 96.
Furthermore, the second spring 52 is sleeved outside the connecting rod 5 between the head end of the first sliding sleeve 51 and the tail end of the sliding rod 3, and the second spring 52 is used for returning the first sliding sleeve 51 after the utility model is taken out by upward pulling.
Furthermore, the well riser 9 includes a well riser sleeve 91, a sliding press block 92, a four-bar linkage structure 93 and a pressure rod 94, the well riser sleeve 91 is fixedly connected to the second sliding sleeve 90, second sliding grooves 95 extending along the axial direction of the well riser sleeve 91 are symmetrically arranged in the radial direction of the well riser sleeve 91, the pressure rod 94 is movably connected with the pressure rod 94 through the four-bar linkage structure 93, a rotating pulley 97 is arranged at a hinge point in the middle of the four-bar linkage structure 93, and the reference number of the oil pumping pipe in fig. 9 is 96.
The utility model discloses a theory of operation and use:
when in use, the well expansion device 9 of the utility model is connected with a crane, the whole body of the utility model is inserted into the oil pumping pipe 96 by utilizing the jack, when the cutter bar 1A does not meet the resistance of scale, the inner wall of the scraper 2 is not contacted with the supporting area 31 of the sliding rod 3, namely the scraper 2 is positioned in the through groove 10 of the cutter bar 1, the outer surface of the scraper 2 is not contacted with the inner wall of the oil pumping pipe 96, the cutter bar 1A is firstly contacted with the scale inside the oil pumping pipe 96 in the process of continuously moving downwards, when the scale reaches a certain resistance to cause the cutter bar 1 not to move downwards, the well expansion device 9 is continuously pressed downwards, namely the pressure rod 94 is pressed downwards, the pressure rod 94 slides downwards in the well expansion device sleeve 91 to extrude the four-bar structure 93, the four-bar structure 93 drives the rotating pulley 97 to move towards the outside of the second chute 95 until the inner wall of the oil pumping pipe 96 is extruded, when the four-bar structure 93 can not move towards the inner wall of, the pressurizing rod 94 is pressed downwards continuously, the four-bar structure 93 can press the sliding pressing block 92 downwards, the sliding pressing block 92 can slide downwards in the well swelling device sleeve 91 to press the rotating sleeve 8, the rotating pulleys 97 arranged at two sides of the four-bar structure 93 are used for limiting the well swelling device 9 to slide axially and not to rotate radially, after the rotating sleeve 8 is pressed, because the first spring 6 is not compressed by enough pressure, the rotating sleeve 8 can press the rotating fixed rod 7 downwards through the second sliding pin 81, the connecting rod 5 further slides downwards, finally the sliding rod 3 moves downwards, the supporting area 31 on the sliding rod 3 is contacted with the inner wall of the scraper 2 to press the scraper 2 to the radial outer side of the cutter bar 1, when the outer surface of the scraper 2 is contacted with scale, the pressurizing rod 94 is pressed downwards continuously, at the moment, the rotating fixed rod 7 can rotate in the spiral groove 80 under the action of the second sliding pin 81, because rotatory pole 7 of deciding, be rigid connection between connecting rod 5 and the slide bar 3, so rotatory pole 7 of deciding, connecting rod 5 and slide bar 3 all can produce a rotation, because connecting rod 5 is in sleeve 4's first spout 40 through first sliding pin 30 sliding connection, so can drive sleeve 4 and rotate when connecting rod 5 pivoted, because sleeve 4 and cutter arbor 1 are rigid connection, so can drive scraper 2 and rotate when cutter arbor 1 rotates, and along with the continuous increase of pressure, the incrustation scale can be contacted to 2 surfaces of scraper, clear up the incrustation scale in the pivoted.
Claims (3)
1. The utility model provides a rotatory descaler of mechanical jarring which characterized in that: comprises a cutter bar (1), a plurality of scrapers (2), a sliding rod (3), a sleeve (4), a connecting rod (5), a first spring (6), a rotary fixed rod (7), a rotary sleeve (8) and a well expansion device (9);
the scraper bar (1) is of a cavity structure, a plurality of through grooves (10) capable of accommodating the scraper (2) are formed in the radial direction of the scraper bar (1), and the scraper (2) can move along the radial direction of the scraper bar (1) and is clamped in the through grooves (10);
the head end of the sleeve (4) is fixedly connected with the tail end of the cutter bar (1), first sliding grooves (40) extending along the axial direction of the sleeve (4) are symmetrically arranged in the radial direction of the sleeve (4), the tail end of the sliding rod (3) is connected into the first sliding grooves (40) in a sliding mode through a first sliding pin (30), the head end of the sliding rod (3) is connected into the cutter bar (1) in a sliding mode along the axial direction of the cutter bar (1), a supporting area (31) is arranged in the radially outward direction of the sliding rod (3), and when the supporting area (31) is in contact with the inner side of the scraper (2), the scraper (2) can be extruded outwards along the radial direction to enable the scraper (2) to be in contact with wall dirt;
the connecting rod (5) is rotatably connected inside the sleeve (4) through a first sliding sleeve (51) and can axially slide inside the sleeve (4), a limiting part (50) is arranged at the tail end of the connecting rod (5), and a rotary fixed rod (7) is arranged at the upper end of the limiting part (50);
the rotary sleeve (8) is of a cavity structure with an opening at one side, a spiral groove (80) extending along the axial direction of the rotary sleeve (8) is arranged in the radial direction of the rotary sleeve (8), the tail end of the rotary fixed rod (7) is rotatably connected in the spiral groove (80) of the rotary sleeve (8) through a second sliding pin (81), and the first spring (6) is arranged between the inner cavity of the rotary sleeve (8) and the tail end face of the rotary fixed rod (7) along the axial direction of the rotary sleeve (8);
the well expansion device (9) is rotatably connected to the outer side of the rotary fixed rod (7) through a second sliding sleeve (90) and can axially slide on the outer side of the rotary fixed rod (7).
2. A mechanical jarring rotary cleaner according to claim 1 wherein: the head end of the cutter bar (1) is of a conical structure, so that the resistance of the cutter bar (1) entering the oil pumping pipe (96) can be further reduced.
3. A mechanical jarring rotary cleaner according to claim 1 wherein: the well expansion device (9) comprises a well expansion device sleeve (91), a sliding pressing block (92), a four-bar structure (93) and a pressurizing rod (94), the well expansion device sleeve (91) is fixedly connected onto a second sliding sleeve (90), second sliding grooves (95) extending along the axial direction of the well expansion device sleeve (91) are symmetrically arranged in the radial direction of the well expansion device sleeve (91), the pressurizing rod (94) is movably connected with the pressurizing rod (94) through the four-bar structure (93), and a rotating pulley (97) is arranged at a hinge point in the middle of the four-bar structure (93).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020340888.4U CN211648090U (en) | 2020-03-18 | 2020-03-18 | Mechanical shock rotary scale remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020340888.4U CN211648090U (en) | 2020-03-18 | 2020-03-18 | Mechanical shock rotary scale remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211648090U true CN211648090U (en) | 2020-10-09 |
Family
ID=72687984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020340888.4U Expired - Fee Related CN211648090U (en) | 2020-03-18 | 2020-03-18 | Mechanical shock rotary scale remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211648090U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627779A (en) * | 2020-12-21 | 2021-04-09 | 耐尔能源装备有限公司 | Anti-scaling corrosion-inhibition device for electric submersible pump |
-
2020
- 2020-03-18 CN CN202020340888.4U patent/CN211648090U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112627779A (en) * | 2020-12-21 | 2021-04-09 | 耐尔能源装备有限公司 | Anti-scaling corrosion-inhibition device for electric submersible pump |
| CN112627779B (en) * | 2020-12-21 | 2021-07-20 | 耐尔能源装备有限公司 | Anti-scaling corrosion-inhibition device for electric submersible pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201009 Termination date: 20210318 |
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| CF01 | Termination of patent right due to non-payment of annual fee |