CN109639105B - Frequency conversion cabinet for oil field beam-pumping unit - Google Patents
Frequency conversion cabinet for oil field beam-pumping unit Download PDFInfo
- Publication number
- CN109639105B CN109639105B CN201811389151.5A CN201811389151A CN109639105B CN 109639105 B CN109639105 B CN 109639105B CN 201811389151 A CN201811389151 A CN 201811389151A CN 109639105 B CN109639105 B CN 109639105B
- Authority
- CN
- China
- Prior art keywords
- frequency conversion
- conversion cabinet
- cabinet
- adjusting
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
Abstract
The invention relates to the technical field of electrical accessory auxiliary equipment, and discloses a frequency conversion cabinet for an oil field beam-pumping unit, which comprises a frequency conversion cabinet, wherein one side of the frequency conversion cabinet is hinged with a cabinet door, the top and the bottom of the two sides of an inner cavity of the frequency conversion cabinet are respectively provided with a sliding groove, the bottoms of the inner cavities of the four sliding grooves are respectively in sliding connection with the bottoms of universal wheels, the tops of the four universal wheels are respectively fixedly connected with the bottoms of connecting blocks positioned in the sliding grooves, and one side of each connecting block respectively penetrates through the sliding groove, extends to the inner cavity of the frequency conversion cabinet and is respectively fixedly connected with the top. This frequency conversion cabinet for oil field beam-pumping unit, through the effect of telescoping device for the universal wheel inserts the adjusting hole inside and fixes the mounting bracket when drawing the mounting bracket from the inside of frequency conversion cabinet, so that the staff maintains and changes the frequency conversion cabinet internals, has reduced the size of a dimension and the volume of frequency conversion cabinet simultaneously, has practiced thrift the cost, has improved the convenience that the frequency conversion cabinet removed.
Description
Technical Field
The invention relates to the technical field of auxiliary equipment of electrical equipment, in particular to a frequency conversion cabinet for an oil field beam-pumping unit.
Background
The frequency conversion cabinet adopts a frequency converter to drive a control cabinet of a power device, and becomes a currently popularized power drive mode due to good starting performance, speed regulation performance and energy saving effect, the high-power frequency conversion cabinet can reduce impact of a high-power water pump or a fan on a power grid and large-side voltage drop to the maximum extent, the power saving effect is obvious, the universal frequency converter is started to be on the market at home as an early commodity, the frequency conversion cabinet is a matter of nearly ten years, the sales number is increased year by year, and the market is more than billions of yuan all the year round, wherein various imported brands are more than one hundred watts and thousands of kilowatts; simple or complex function; the precision is low or high; slow or fast response: with or without PG (tachometer); with or without noise, etc.
Need reserve some spaces to the inside of inverter cabinet when the equipment to the use of current inverter cabinet to the later stage work is examined and is maintained the inverter cabinet, has increased the volume of inverter cabinet and has increaseed the cost when to inverter cabinet headspace, is not convenient for examine and maintain the inside of inverter cabinet when the inverter cabinet is installed in narrow and small space moreover, has increaseed staff's the work degree of difficulty.
Disclosure of Invention
The invention provides a frequency conversion cabinet for an oil field beam-pumping unit, which has the advantages of convenience in inspection and maintenance, high working stability of the frequency conversion cabinet and small size of the frequency conversion cabinet, and solves the problems that a part of space needs to be reserved in the frequency conversion cabinet during assembly of the conventional frequency conversion cabinet, so that the frequency conversion cabinet can be inspected and maintained in later work, the space is reserved in the frequency conversion cabinet, the size of the frequency conversion cabinet is increased, the cost is increased, the inspection and maintenance of the interior of the frequency conversion cabinet are inconvenient when the frequency conversion cabinet is installed in a narrow space, and the working difficulty of workers is increased.
The invention provides the following technical scheme: a frequency conversion cabinet for an oil field beam-pumping unit comprises a frequency conversion cabinet, wherein one side of the frequency conversion cabinet is hinged with a cabinet door, the top and the bottom of the two sides of an inner cavity of the frequency conversion cabinet are respectively provided with a chute, the bottom of the inner cavity of the four chutes is respectively connected with the bottom of a universal wheel in a sliding manner, the top of the four universal wheels is respectively fixedly connected with the bottom of a connecting block positioned in the chute, one side of the four connecting blocks respectively penetrates through the chute and extends to the inner cavity of the frequency conversion cabinet and is respectively fixedly connected with the top and the bottom of the two sides of a mounting frame, the chutes are respectively provided with adjusting holes positioned in the two sides of the bottom of the inner cavity of the frequency conversion cabinet, the bottoms of the inner cavities of the two adjusting holes are respectively and fixedly connected with the top ends of two first springs respectively and the bottom of a rack, one side, and one side that the gag lever post was kept away from to two racks respectively with the external toothing that is located the first gear of frequency conversion cabinet bottom inner chamber, two the outside of first gear is respectively cup jointed through the inner chamber activity of first pivot and frequency conversion cabinet bottom, one the internal transmission of the outside recess of first pivot is connected with the belt, the inside of belt is connected with the outside transmission of the inside of the outside recess of second pivot and action wheel respectively, the external fixation of second pivot cup joints the second gear that cup joints with frequency conversion cabinet bottom inner chamber activity, the outside of action wheel cup joints through the inner chamber activity of dwang and frequency conversion cabinet bottom, the one end of dwang runs through and extends to the outside of frequency conversion cabinet and with the middle part fixed connection at the handle back, the outside and another of second gear the external toothing of first gear.
The positive lateral wall in inverter cabinet bottom just is located the top of bottom spout and has seted up the adjustment tank respectively, one side fixedly connected with of adjustment tank inner chamber adjusts a section of thick bamboo, the kelly has been cup jointed in the inside activity of adjusting a section of thick bamboo, the one end of kelly runs through in proper order adjust a section of thick bamboo and inverter cabinet lateral wall and with one side joint of mounting bracket, the kelly is located the one end activity of adjusting a section of thick bamboo inside and has cup jointed the second spring, the one end of second spring and one side fixed connection who adjusts a section of thick bamboo inner chamber, and the other end of second spring and one side fixed connection of the stopper of fixed suit on the kelly, the outside activity of adjusting a section of thick bamboo has cup jointed the regulation cap, the one end swing joint of the kelly of regulation cap, the middle part. The bottom of the universal wheel, which is positioned on two sides of the back surface of the mounting frame, is fixedly connected with the bottom of the connecting block through a telescopic device respectively. The telescopic device comprises a connecting plate, a telescopic rod is fixedly connected to the top of the connecting plate, the top end of the telescopic rod is fixedly connected with the bottom of the connecting block, a third spring is sleeved on the outer portion of the telescopic rod in a movable mode, the top end of the third spring is fixedly connected with the top end of the telescopic rod, and the bottom end of the third spring is fixedly connected with the bottom end of the telescopic rod.
Preferably, the diameter value of the universal wheel is smaller than that of the adjusting hole, and a gap exists between the bottom of the universal wheel and the top of the rack.
Preferably, one side of the rack is provided with a limit groove, and the ascending distance value of the rack is larger than the length value of the universal wheel in the adjusting hole.
Preferably, the joint groove has been seted up respectively to the bottom of mounting bracket both sides, and joint groove and kelly are on same straight line on the mounting bracket, the diameter value in joint groove is greater than the diameter value of kelly on the mounting bracket.
Preferably, the two first gears take a central axis of the frequency conversion cabinet as a symmetry center, and the specifications of the two first gears and the second gear are the same.
Preferably, the outside of adjusting a section of thick bamboo is seted up threadedly, and the outside of adjusting a section of thick bamboo and the inside screw thread cover of adjusting the cap.
The invention has the following beneficial effects:
1. this frequency conversion cabinet for oil field beam-pumping unit, through the effect of telescoping device for the universal wheel inserts the adjusting hole inside and fixes the mounting bracket when drawing the mounting bracket from the inside of frequency conversion cabinet, so that the staff maintains and changes the frequency conversion cabinet internals, has reduced the size of a dimension and the volume of frequency conversion cabinet simultaneously, has practiced thrift the cost, has improved the convenience that the frequency conversion cabinet removed.
2. This frequency conversion cabinet for oil field beam-pumping unit through the combined action of two first gears and second gear to and use in the cooperation of action wheel and belt, make two racks rise simultaneously and support out the regulation hole with two universal wheels, move back the inside of frequency conversion cabinet with the mounting bracket.
3. This frequency conversion cabinet for oil field beam-pumping unit, use through the cooperation of adjusting a section of thick bamboo and regulation cap, make the rotation regulation cap under the effect of the restoring force of second spring, joint groove cancellation joint on kelly and the mounting bracket, can shift out the frequency conversion cabinet with the mounting bracket this moment, moreover, the steam generator is simple in structure and the operation of being convenient for, a large amount of time has been saved, simultaneously at the combined action in kelly and joint groove, make can fix the mounting bracket inside the frequency conversion cabinet, avoided the frequency conversion cabinet to rock at the in-process mounting bracket that removes and lead to the inside part of frequency conversion cabinet impaired, the stability that has improved the mounting bracket has prolonged the life of frequency conversion cabinet simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a first shaft of the present invention;
FIG. 3 is a right side schematic view of the structural mount of the present invention;
FIG. 4 is a schematic left side view of a rotating lever according to the present invention;
fig. 5 is a left side view of the rack of the present invention.
In the figure: 1. a frequency conversion cabinet; 2. a cabinet door; 3. a chute; 4. a universal wheel; 5. connecting blocks; 6. a mounting frame; 7. an adjustment hole; 8. a first spring; 9. a rack; 10. a limiting rod; 11. a first gear; 12. a first rotating shaft; 13. a belt; 14. a second rotating shaft; 15. a driving wheel; 16. a second gear; 17. rotating the rod; 18. a handle; 20. an adjusting cylinder; 21. a clamping rod; 22. a second spring; 23. a limiting block; 24. an adjusting cap; 25. a pull ring; 26. a telescoping device; 261. a connecting plate; 262. a telescopic rod; 263. and a third spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a frequency conversion cabinet for an oil field beam-pumping unit comprises a frequency conversion cabinet 1, a cabinet door 2 is hinged on one side of the frequency conversion cabinet 1, sliding grooves 3 are respectively formed on the top and the bottom of the two sides of the inner cavity of the frequency conversion cabinet 1, the bottoms of the inner cavities of the four sliding grooves 3 are respectively connected with the bottom of a universal wheel 4 in a sliding manner, the diameter value of the universal wheel 4 is smaller than that of an adjusting hole 7, a gap exists between the bottom of the universal wheel 4 and the top of a rack 9, under the action of the adjusting hole 7, when an installation frame 6 moves to the outermost part of the frequency conversion cabinet 1, the universal wheel 4 is clamped with the adjusting hole 7 under the action of the elastic force of a third spring 263, the installation frame 6 is prevented from moving out, the stability of the installation frame 6 is improved, so that workers can conveniently check and maintain, the bottoms of the universal wheels 4, the expansion device 26 comprises a connecting plate 261, an expansion link 262 is fixedly connected to the top of the connecting plate 261, the top end of the expansion link 262 is fixedly connected to the bottom of the connecting block 5, a third spring 263 is movably sleeved outside the expansion link 262, the top end of the third spring 263 is fixedly connected to the top end of the expansion link 262, and the bottom end of the third spring 263 is fixedly connected to the bottom end of the expansion link 262, so that the height of the universal wheels 4 positioned on two sides of the bottom of the back of the mounting rack 6 is adjusted by utilizing the combined action of the expansion link 262 and the third spring 263, the mounting rack 6 is prevented from being separated from the frequency conversion cabinet 1 when being pulled out, troubles are brought to the maintenance of workers, the workload of the maintenance is increased, the installation rack 6 is regulated by inserting the universal wheels 4 into the adjusting holes 7 when the mounting rack 6 is pulled out from the frequency conversion cabinet 1 through the effect of the expansion device 26, and the maintenance and replacement of the, the tops of the four universal wheels 4 are respectively fixedly connected with the bottoms of the connecting blocks 5 positioned in the sliding grooves 3, one sides of the four connecting blocks 5 respectively penetrate through the sliding grooves 3 and extend to the inner cavity of the frequency conversion cabinet 1 and are respectively fixedly connected with the tops and the bottoms of the two sides of the mounting rack 6, the bottoms of the two sides of the mounting rack 6 are respectively provided with a clamping groove, the clamping grooves on the mounting rack 6 and the clamping rods 21 are on the same straight line, the diameter value of the clamping grooves on the mounting rack 6 is larger than that of the clamping rods 21, the mounting rack 6 can be fixed in the frequency conversion cabinet 1 through the combined action of the clamping rods 21 and the clamping grooves, the situation that parts in the frequency conversion cabinet 1 are damaged due to the shaking of the mounting rack 6 in the moving process of the frequency conversion cabinet 1 is avoided, the stability of the mounting rack 6 is improved, the service life of the frequency conversion cabinet 1 is prolonged, the adjusting, the bottoms of the inner cavities of the two adjusting holes 7 are respectively fixedly connected with first springs 8, the top ends of the two first springs 8 are respectively fixedly connected with the bottoms of racks 9, one sides of the racks 9 are provided with limiting grooves, the ascending distance value of the racks 9 is larger than the length value of the universal wheels 4 positioned in the adjusting holes 7, the racks 9 are supported by the limiting grooves to increase the meshing reliability of the racks 9 and first gears 11, meanwhile, the racks 9 can eject the universal wheels 4 to move the mounting rack 6 back to the inside of the frequency conversion cabinet 1 when ascending, the practicability and the reliability of the whole device are improved, one sides of the two racks 9 are respectively connected with one end of a limiting rod 10 fixedly arranged in the inner cavities of the adjusting holes 7 in a sliding manner, one sides of the two racks 9 far away from the limiting rod 10 are respectively meshed with the outer part of the first gears 11 positioned in the inner cavities at the bottom of the frequency conversion cabinet 1, and the two first gears 11 take the central axis of, the specifications of the two first gears 11 and the second gear 16 are the same, through the combined action of the two first gears 11 and the second gear 16 and the matching use of the driving wheel 15 and the belt 13, the two racks 9 are simultaneously lifted to push the two universal wheels 4 out of the adjusting hole 7, the outer parts of the two first gears 11 are respectively movably sleeved with the inner cavity at the bottom of the frequency conversion cabinet 1 through the first rotating shaft 12, the inner part of the outer groove of the first rotating shaft 12 is connected with the belt 13 in a transmission way, the inner part of the belt 13 is respectively connected with the inner part of the outer groove of the second rotating shaft 14 and the outer part of the driving wheel 15 in a transmission way, the outer part of the second rotating shaft 14 is fixedly sleeved with the second gear 16 movably sleeved with the inner cavity at the bottom of the frequency conversion cabinet 1, the outer part of the driving wheel 15 is movably sleeved with the inner cavity at the bottom of the frequency conversion cabinet 1 through the rotating rod 17, one end of the rotating rod, the outer portion of the second gear 16 meshes with the outer portion of the other first gear 11.
The side wall of the front bottom of the frequency conversion cabinet 1 is respectively provided with an adjusting groove above the sliding groove 3, one side of the inner cavity of the adjusting groove is fixedly connected with an adjusting cylinder 20, the outer part of the adjusting cylinder 20 is provided with threads, the outer part of the adjusting cylinder 20 is sleeved with the inner threads of an adjusting cap 24, the adjusting cylinder 20 is matched with the adjusting cap 24 for use, so that the clamping rod 21 is clamped with the clamping groove on the mounting frame 6 under the action of restoring force of a second spring 22, the mounting frame 6 can be moved out of the frequency conversion cabinet 1 at the moment, the structure is simple and convenient to operate, a large amount of time is saved, the clamping rod 21 is movably sleeved in the adjusting cylinder 20, one end of the clamping rod 21 sequentially penetrates through the side walls of the adjusting cylinder 20 and the frequency conversion cabinet 1 and is clamped with one side of the mounting frame 6, the second spring 22 is movably sleeved at one end of the clamping rod 21 in the adjusting cylinder 20, one end of the second spring 22, the other end of the second spring 22 is fixedly connected with one side of a limiting block 23 fixedly sleeved on the clamping rod 21, an adjusting cap 24 is movably sleeved outside the adjusting cylinder 20, one end of the clamping rod 21 of the adjusting cap 24 is movably connected, and a pull ring 25 is fixedly installed in the middle of the bottom end of the front face of the mounting frame 6.
Principle of operation, at first when maintaining 1 inside of inverter cabinet, rotate two respectively and adjust cap 24 and outwards remove, kelly 21 rebounds kelly 21 under the effect of second spring 22 restoring force and makes joint groove cancellation joint with mounting bracket 6, then pull ring 25 on the pulling mounting bracket 6 makes universal wheel 4 slide in spout 3 and pulls out mounting bracket 6, two universal wheels 4 that lie in mounting bracket 6 back bottom at the in-process of pulling make universal wheel 4 joint inside regulation hole 7 under the effect of the last third spring 263 restoring force of telescoping device 26, then after having maintained inverter cabinet 1, twist grip 18 drives action wheel 15 and rotates, effect at belt 13 drives first gear 11 and second gear 16 respectively and rotates and makes rack 9 go up and fall universal wheel 4 conflict regulation hole 7, push mounting bracket 6 inside inverter cabinet 1 along spout 3 this moment, at last respectively rotatory adjust cap 24 and adjust a section of thick bamboo 20 threaded sleeve and push clamp bar 21 motion with 6 with adjusting barrel 20 threaded sleeve and push mounting bracket 6 And (5) fixing.
Claims (5)
1. The utility model provides an oil field beam-pumping unit is with frequency conversion cabinet, includes frequency conversion cabinet (1), its characterized in that: one side of the frequency conversion cabinet (1) is hinged with a cabinet door (2), the top and the bottom of the two sides of the inner cavity of the frequency conversion cabinet (1) are respectively provided with a sliding groove (3), the bottom of the inner cavity of the four sliding grooves (3) is respectively in sliding connection with the bottoms of universal wheels (4), the top of the four universal wheels (4) is respectively in fixed connection with the bottoms of connecting blocks (5) positioned inside the sliding grooves (3), one side of the four connecting blocks (5) respectively penetrates through the sliding grooves (3), extends to the inner cavity of the frequency conversion cabinet (1) and is respectively in fixed connection with the top and the bottom of the two sides of a mounting frame (6), the inner parts of the sliding grooves (3) positioned on the two sides of the bottom of the inner cavity of the frequency conversion cabinet (1) are respectively provided with adjusting holes (7), the bottoms of the inner cavities of the two adjusting holes (7) are respectively in fixed connection with first springs (8), and the top, one side of each of the two racks (9) is respectively in sliding connection with one end of a limiting rod (10) fixedly arranged in an inner cavity of the adjusting hole (7), one side, far away from the limiting rod (10), of each of the two racks (9) is respectively meshed with the outer part of a first gear (11) positioned in an inner cavity of the bottom of the frequency conversion cabinet (1), the outer parts of the two first gears (11) are respectively in movable sleeve joint with the inner cavity of the bottom of the frequency conversion cabinet (1) through a first rotating shaft (12), the inner part of an outer groove of the first rotating shaft (12) is in transmission connection with a belt (13), the inner part of the belt (13) is respectively in transmission connection with the inner part of an outer groove of a second rotating shaft (14) and the outer part of a driving wheel (15), a second gear (16) movably sleeve joint with the inner cavity of the bottom of the frequency conversion cabinet (1) is fixedly sleeved on the outer part of the second rotating shaft (14), and the outer rotating rod of the driving wheel, one end of the rotating rod (17) penetrates through and extends to the outside of the frequency conversion cabinet (1) and is fixedly connected with the middle part of the back surface of the handle (18), and the outside of the second gear (16) is meshed with the outside of the other first gear (11);
the top that just is located bottom spout (3) of positive lateral wall in inverter cabinet (1) bottom has seted up adjustment tank (19) respectively, one side fixedly connected with of adjustment tank (19) inner chamber adjusts a section of thick bamboo (20), the inside activity of adjusting a section of thick bamboo (20) has cup jointed kelly (21), the one end of kelly (21) runs through in proper order and adjusts a section of thick bamboo (20) and inverter cabinet (1) lateral wall and with one side joint of mounting bracket (6), the activity of the one end that kelly (21) is located the inside of adjusting a section of thick bamboo (20) has cup jointed second spring (22), the one end of second spring (22) and one side fixed connection of adjusting a section of thick bamboo (20) inner chamber, and the other end of second spring (22) and the fixed dress one side fixed connection of stopper (23) on kelly (21), the outside activity of adjusting a section of thick bamboo (20) has cup jointed regulation cap (24), the one end swing joint of the kelly (21) of regulation cap (24), a pull ring (25) is fixedly arranged in the middle of the bottom end of the front surface of the mounting rack (6);
the bottoms of the universal wheels (4) positioned on the two sides of the back surface of the mounting frame (6) are fixedly connected with the bottoms of the connecting blocks (5) through telescopic devices (26) respectively;
the telescopic device (26) comprises a connecting plate (261), a telescopic rod (262) is fixedly connected to the top of the connecting plate (261), the top end of the telescopic rod (262) is fixedly connected with the bottom of the connecting block (5), a third spring (263) is movably sleeved outside the telescopic rod (262), the top end of the third spring (263) is fixedly connected with the top end of the telescopic rod (262), and the bottom end of the third spring (263) is fixedly connected with the bottom end of the telescopic rod (262);
the diameter value of the universal wheel (4) is smaller than that of the adjusting hole (7), and a gap exists between the bottom of the universal wheel (4) and the top of the rack (9).
2. The frequency conversion cabinet for the oil field beam-pumping unit according to claim 1, characterized in that: a limiting groove is formed in one side of the rack (9), and the ascending distance value of the rack (9) is larger than the length value of the universal wheel (4) located inside the adjusting hole (7).
3. The frequency conversion cabinet for the oil field beam-pumping unit according to claim 1, characterized in that: the joint groove has been seted up respectively to the bottom of mounting bracket (6) both sides, and goes up joint groove and kelly (21) on same straight line mounting bracket (6), the diameter value in joint groove is greater than the diameter value of kelly (21) on mounting bracket (6).
4. The frequency conversion cabinet for the oil field beam-pumping unit according to claim 1, characterized in that: the two first gears (11) take the central axis of the frequency conversion cabinet (1) as a symmetry center, and the specifications of the two first gears (11) and the second gear (16) are the same.
5. The frequency conversion cabinet for the oil field beam-pumping unit according to claim 1, characterized in that: the outside of adjusting a section of thick bamboo (20) is seted up threadedly, and the outside of adjusting a section of thick bamboo (20) and the inside screw thread cover of adjusting cap (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811389151.5A CN109639105B (en) | 2018-11-21 | 2018-11-21 | Frequency conversion cabinet for oil field beam-pumping unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811389151.5A CN109639105B (en) | 2018-11-21 | 2018-11-21 | Frequency conversion cabinet for oil field beam-pumping unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109639105A CN109639105A (en) | 2019-04-16 |
| CN109639105B true CN109639105B (en) | 2020-08-14 |
Family
ID=66068805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811389151.5A Active CN109639105B (en) | 2018-11-21 | 2018-11-21 | Frequency conversion cabinet for oil field beam-pumping unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109639105B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112202385B (en) * | 2020-10-23 | 2022-08-23 | 胜利油田顺天节能技术有限公司 | Frequency conversion cabinet for oil field beam-pumping unit |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206701294U (en) * | 2017-05-07 | 2017-12-05 | 赵远溥 | A kind of portable medical experiment case |
| CN206830125U (en) * | 2017-06-08 | 2018-01-02 | 陕西一诺油气工程技术服务有限公司 | A kind of new chemical water blocking device |
| CN207969191U (en) * | 2018-04-03 | 2018-10-12 | 深圳市途巴能源高新科技有限公司 | A kind of charging pile switch board holder |
| CN209120096U (en) * | 2018-11-21 | 2019-07-16 | 大庆市华禹石油机械制造有限公司 | A kind of oil field beam pumping unit frequency conversion tank |
-
2018
- 2018-11-21 CN CN201811389151.5A patent/CN109639105B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN109639105A (en) | 2019-04-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109639105B (en) | Frequency conversion cabinet for oil field beam-pumping unit | |
| CN209573745U (en) | A kind of multifunctional intellectual household table convenient for adjusting height | |
| CN209592656U (en) | A kind of power distribution cabinet shell convenient to overhaul | |
| CN207625101U (en) | A kind of Novel external formula electrical cabinet | |
| CN214663432U (en) | Wisdom city control with adjustable | |
| CN209120096U (en) | A kind of oil field beam pumping unit frequency conversion tank | |
| CN214146468U (en) | Harmonic speed reducer ware convenient to dismantle | |
| CN209306758U (en) | Portable ground line draw off gear | |
| CN110716068A (en) | Power semiconductor circulation test system | |
| CN209648782U (en) | A kind of stainless steel cut device | |
| CN208466596U (en) | A kind of rotation axis cleaning device of disk drive-type | |
| CN208696533U (en) | Lighter bonding machine | |
| CN115255963B (en) | Ram compensation mechanism of boring and milling machine | |
| CN203130953U (en) | Anti-overloading protection mechanism for vertical screw driving device | |
| CN210664525U (en) | Soundproof cotton felt is environmental protection detector for workshop | |
| CN110767414A (en) | Device convenient for oil-immersed transformer to move | |
| CN209238953U (en) | A kind of fixed device of riveting machine | |
| CN209593305U (en) | A kind of high-frequency rectification module bracket device being easily installed | |
| CN109450223A (en) | A kind of oil field frequency conversion tank | |
| CN110772813B (en) | Stage design bubble machine capable of blowing bubbles of different sizes | |
| CN215567717U (en) | Screw mandrel structure | |
| CN215587429U (en) | Axle box body milling clamping device for high-speed rail | |
| CN217141627U (en) | Photovoltaic board cleaning machines people | |
| CN218690428U (en) | Electromagnetic self-discharging iron remover convenient to adjust | |
| CN212854682U (en) | High-efficient fractionation column tray of fractionating tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Song Jianguang Inventor after: Zhang Chunhong Inventor after: Ji Wenjing Inventor after: Qi Yunqing Inventor before: Qi Yunqing |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200720 Address after: No.21 Zoucheng Road, Dongying District, Dongying City, Shandong Province Applicant after: DONGGUAN TIANPU ELECTRONIC Co.,Ltd. Address before: Room 103, Unit 2, Building 8, Tangren Central District, Jeanhu Road District, Daqing City, Heilongjiang Province Applicant before: Qi Yunqing |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |