CN109450223B

CN109450223B - Frequency conversion cabinet for oil field

Info

Publication number: CN109450223B
Application number: CN201811415913.4A
Authority: CN
Inventors: 周恒仓; 姜兴安; 其他发明人请求不公开姓名
Original assignee: Sun Shaowu
Current assignee: Jiangtian Technology Co.,Ltd.
Priority date: 2018-11-26
Filing date: 2018-11-26
Publication date: 2020-06-02
Anticipated expiration: 2038-11-26
Also published as: CN109450223A

Abstract

The invention relates to the technical field of electric auxiliary equipment, and discloses a frequency conversion cabinet for an oil field, which comprises a frequency conversion cabinet, wherein a filter screen is fixedly installed in an inner cavity of the frequency conversion cabinet, a cabinet door is hinged to the front surface of the frequency conversion cabinet, supporting legs are respectively and fixedly installed at four corners of the bottom of the frequency conversion cabinet, a box body is fixedly installed at the bottom end of the frequency conversion cabinet, which is positioned inside the four supporting legs, adjusting cylinders are respectively and fixedly installed at four corners of the top of the inner cavity of the box body, threaded rods are respectively sleeved in inner cavities of the four adjusting cylinders in a threaded manner, the bottom ends of the four threaded rods respectively penetrate through and extend to the outside of the adjusting cylinders. This frequency conversion cabinet for oil field through the combined action of worm wheel and worm to and use under the cooperation of adjusting a section of thick bamboo and threaded rod, make the height value that can adjust the universal wheel, so that remove the frequency conversion cabinet, saved a large amount of hand labor power, improved the convenience that the frequency conversion cabinet removed.

Description

Frequency conversion cabinet for oil field

Technical Field

The invention relates to the technical field of electrical auxiliary equipment, in particular to a frequency conversion cabinet for an oil field.

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.

Some direct mount to the frequency conversion cabinet bottom of current oil field usefulness have a fixed leg, some be the installation universal wheel, there are the shortcoming to both, the frequency conversion cabinet of installing fixed leg is not convenient for remove when placing certain position, the staff has brought very big inconvenience, the frequency conversion cabinet of installing the universal wheel is convenient for remove but is not convenient for fix the frequency conversion cabinet when removing final destination, the stability of frequency conversion cabinet has been reduced, the frequency conversion cabinet is rocking when the in-process that removes or fixed insecure simultaneously, make the inside frequency conversion electron device of frequency conversion cabinet receive the damage, the life of frequency conversion cabinet has been reduced.

Disclosure of Invention

The invention provides a frequency conversion cabinet for an oil field, which has the advantages of convenient movement, high stability and good damping effect, and solves the problems that the bottom of the frequency conversion cabinet for the existing oil field is provided with fixing legs directly, and universal wheels are arranged on the bottom of the frequency conversion cabinet, the frequency conversion cabinet provided with the fixing legs is inconvenient to move when being placed at a certain position, great inconvenience is brought to workers, the frequency conversion cabinet provided with the universal wheels is convenient to move but is inconvenient to fix when being moved to a final destination, the stability of the frequency conversion cabinet is reduced, and meanwhile, the frequency conversion cabinet shakes during the moving process or the unfirm fixing process, so that frequency conversion electronic devices in the frequency conversion cabinet are damaged, and the service life of the frequency conversion cabinet is shortened.

The invention provides the following technical scheme: a frequency conversion cabinet for an oil field comprises a frequency conversion cabinet, wherein a filter screen is fixedly arranged in an inner cavity of the frequency conversion cabinet, a cabinet door is hinged to the front of the frequency conversion cabinet, supporting legs are fixedly arranged at four corners of the bottom of the frequency conversion cabinet respectively, a box body is fixedly arranged at the bottom of the frequency conversion cabinet positioned in the four supporting legs, adjusting cylinders are fixedly arranged at four corners of the top of an inner cavity of the box body respectively, threaded rods are sleeved on inner cavities of the four adjusting cylinders respectively in a threaded manner, bottoms of the four threaded rods penetrate through and extend to the outer portions of the adjusting cylinders respectively, limiting rods are fixedly connected with one side of each of the four threaded rods and the side wall of the inner cavity of the box body respectively, a worm wheel is fixedly sleeved on the top of each adjusting cylinder, the outer portions of the worm wheels are meshed with the outer portions of worms, the number of the, and one the one end of worm runs through and extends to the outside of box and with one side fixed connection of handle, two the one end that the worm is located the box is passed through belt drive and is connected, four the bottom of threaded rod respectively with the top fixed connection of connecting plate, the connecting plate around respectively with the lateral wall swing joint of box inner chamber, and the four corners and the middle part of connecting plate bottom fixedly connected with ejector pad and telescopic link I respectively, the bottom of telescopic link I and the middle part fixed connection who is located the inside shock attenuation board top of box, the shock attenuation groove has been seted up respectively in the four corners on shock attenuation board top, the inside difference fixedly connected with damping device in shock attenuation groove, the four corners difference fixedly connected with universal wheel of shock attenuation board bottom. Damping device includes the connecting block, the outside of connecting block cup joints with the inside activity of shock attenuation groove, the one end of connecting block and the one end fixed connection of telescopic link II, the other end of telescopic link II and one side fixed connection of shock attenuation inslot cavity, damping spring has been cup jointed in the outside activity of telescopic link II, damping spring's both ends respectively with the both ends fixed connection of telescopic link II. The middle part at the back of the frequency conversion cabinet is provided with uniformly distributed heat dissipation holes, and the diameter value of the heat dissipation holes on the frequency conversion cabinet is larger than the mesh number of the filter screen. The cabinet door is two split doors, and a glass window is fixedly arranged on the cabinet door.

Preferably, the bottom of the box body, which is located right below the universal wheels, is provided with an adjusting hole, and the diameter value of the adjusting hole on the box body is larger than that of the universal wheels.

Preferably, the length value of the threaded rod is greater than the distance value between the universal wheel and the ground, a sliding groove is formed in one side of the threaded rod, and the inner portion of the sliding groove in the threaded rod is movably connected with one end of the limiting rod.

Preferably, a groove is formed in one end, located in the inner cavity of the box body, of each of the two worms, and the inner portion of the groove in each worm is connected with the outer portion of the belt in a sliding mode.

Preferably, the bottom of the push block is wedge-shaped, and the shape of the bottom of the push block is the same as the shape and specification of one end, far away from the damping spring, of the connecting block.

Preferably, the number of the damping devices is sixteen and four in each group, and the four groups of damping devices respectively use the vertical central axis and the horizontal central axis of the damping plate as the symmetry center.

The invention has the following beneficial effects:

1. this frequency conversion cabinet for oil field through the combined action of worm wheel and worm to and use under the cooperation of adjusting a section of thick bamboo and threaded rod, make the height value that can adjust the universal wheel, so that remove the frequency conversion cabinet, saved a large amount of hand labor power, improved the convenience that the frequency conversion cabinet removed.

2. This frequency conversion cabinet for oil field through the combined action of ejector pad, damping spring and connecting block, can play absorbing effect to the frequency conversion cabinet, has avoided the frequency conversion cabinet to take place to rock at the in-process that removes, leads to the inside frequency conversion electron device of frequency conversion cabinet to receive the damage, has prolonged the life of frequency conversion cabinet.

3. This frequency conversion cabinet for oil field through the effect of supporting leg for it is fixed with the frequency conversion cabinet under the effect of fixed leg when removing the destination with the frequency conversion cabinet through the universal wheel, avoided the frequency conversion cabinet to take place to remove in the unexpected condition, improved the stability when the fixed of frequency conversion cabinet.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of a structural box of the present invention;

FIG. 3 is a schematic bottom view of a structural connecting plate of the present invention;

fig. 4 is a schematic view of the frequency conversion cabinet of the present invention.

In the figure: 1. a frequency conversion cabinet; 2. a filter screen; 3. a cabinet door; 4. supporting legs; 5. a box body; 6. an adjusting cylinder; 7. a threaded rod; 8. a limiting rod; 9. a worm gear; 10. a worm; 11. a handle; 12. a belt; 13. a connecting plate; 14. a push block; 15. a telescopic rod I; 16. a damper plate; 17. a damping groove; 18. a damping device; 181. connecting blocks; 182. a telescopic rod II; 183. a damping spring; 19. a universal wheel.

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. 1-4, a frequency conversion cabinet for oil field comprises a frequency conversion cabinet 1, wherein the middle of the back of the frequency conversion cabinet 1 is provided with uniformly distributed heat dissipation holes, the diameter value of the heat dissipation holes on the frequency conversion cabinet 1 is larger than the mesh number of a filter screen 2, the heat generated by the operation of the frequency conversion cabinet can be dissipated by the action of the heat dissipation holes on the frequency conversion cabinet 1, the heat dissipation effect of the frequency conversion cabinet is improved, meanwhile, dust entering from the heat dissipation holes in the air is blocked by the filter screen 2, so as to avoid entering the frequency conversion cabinet 1, and the influence on the operation of the frequency conversion cabinet 1 is reduced, the filter screen 2 is fixedly installed in the inner cavity of the frequency conversion cabinet 1, a cabinet door 3 is hinged on the front of the frequency conversion cabinet 1, the cabinet door 3 is a two-piece door, a glass window is fixedly installed on the cabinet door 3, and the two cabinet, the frequency conversion electronic device in the frequency conversion cabinet 1 can be observed without opening the cabinet door 3, the entering of dust in the outside air is reduced, the four corners of the bottom of the frequency conversion cabinet 1 are respectively and fixedly provided with the supporting legs 4, the bottom end of the frequency conversion cabinet 1, which is positioned in the four supporting legs 4, is fixedly provided with the box body 5, the bottom of the box body 5, which is positioned under the universal wheel 19, is provided with the adjusting hole, the diameter value of the adjusting hole on the box body 5 is larger than that of the universal wheel 19, so that when the adjusting threaded rod 7 drives the universal wheel 19 to move downwards, the problem that the universal wheel 19 cannot extend out of the box body 5 due to the undersize caliber of the adjusting hole on the box body 5 is avoided, the height adjusting reliability of the universal wheel 19 is improved, the adjusting cylinders 6 are respectively and fixedly arranged at the four corners of the top of the inner cavity of the box body 5, the threaded rods, and one side of the threaded rod 7 is provided with a chute, the inside of the chute on the threaded rod 7 is movably connected with one end of a limiting rod 8, the height of a universal wheel 19 can be adjusted through the action of an adjusting cylinder 5 and the threaded rod 7 so as to be convenient for moving the frequency conversion cabinet 1, thereby avoiding wasting a large amount of labor force, improving the moving convenience of the frequency conversion cabinet 1, the bottom ends of four threaded rods 7 respectively penetrate through and extend to the outside of the adjusting cylinder 6, one side of each of the four threaded rods 7 is movably connected with the limiting rod 8 which is respectively and fixedly connected with the side wall of the inner cavity of the box body 5, the top of the adjusting cylinder 6 is fixedly sleeved with a worm wheel 9, the outside of the worm wheel 9 is meshed with the outside of a worm 10, one end of two worms 10 which are positioned in the inner cavity of the box body 5 is provided with a groove, the inside of the groove on the worm, two worms 10 drive four worm wheels 9 to rotate simultaneously, four universal wheels 19 are driven to lift simultaneously, the lifting stability of the frequency conversion cabinet 1 is improved, the number of the worms 10 is two, two ends of the two worms 10 are movably sleeved with the front and the back of the inner cavity of the box body 5 respectively, one end of one worm 10 penetrates through and extends to the outside of the box body 5 and is fixedly connected with one side of a handle 11, one ends of the two worms 10 positioned at the box body 5 are in transmission connection through a belt 12, the bottom ends of four threaded rods 7 are fixedly connected with the top of a connecting plate 13 respectively, the periphery of the connecting plate 13 is movably connected with the side wall of the inner cavity of the box body 5 respectively, four corners and the middle part of the bottom end of the connecting plate 13 are fixedly connected with a push block 14 and a telescopic rod I15 respectively, the bottom of the push block 14 is wedge-shaped, and the shape of the bottom, through the combined action of the push block 14, the connecting block 181 and the damping spring 183, the vertical stress of the frequency conversion cabinet 1 can be dispersed to the horizontal direction, the shaking of the frequency conversion cabinet 1 during moving is reduced, the bottom end of the telescopic rod I15 is fixedly connected with the middle part of the top end of the damping plate 16 positioned in the box body 5, the four corners of the top end of the damping plate 16 are respectively provided with a damping groove 17, the damping devices 18 are respectively and fixedly connected with the inside of the damping groove 17, each damping device 18 comprises the connecting block 181, the outside of the connecting block 181 is movably sleeved with the inside of the damping groove 17, one end of the connecting block 181 is fixedly connected with one end of the telescopic rod II 182, the other end of the telescopic rod II 182 is fixedly connected with one side of the inner cavity of the damping groove 17, the damping spring 183 is movably sleeved on the outside of the telescopic rod II 182, the two ends of the, when universal wheel 19 and ground contact removed frequency conversion cabinet 1, frequency conversion cabinet 1 takes place to rock and reduces rocking to frequency conversion cabinet 1 under the cushioning effect of damping spring 183 elasticity, stability when frequency conversion cabinet 1 removed has been improved, damping device 18's quantity is sixteen and every group is four, and four group damping device 18 use the vertical central axis and the horizontal central axis of shock attenuation board 16 respectively as the center of symmetry, through setting up damping device 18 to the multiunit shock attenuation effect that has improved whole device, the damage to the inside variable frequency electronic device of frequency conversion cabinet 1 when having reduced frequency conversion cabinet 1 and removing, the life of frequency conversion cabinet 1 has been prolonged, the four corners difference fixedly connected with universal wheel 19 of shock attenuation board 16 bottom.

The theory of operation, at first when needing to remove frequency conversion cabinet 1, twist grip 11 drives a worm 10 and rotates and drive another worm 10 and rotate under the effect of belt 12, two worms 10 make four worm wheels 9 rotate simultaneously this moment, make adjusting cylinder 6 drive threaded rod 7 and descend under the effect of gag lever post 8 under the effect of worm wheel 9, threaded rod 7 descends and makes universal wheel 19 pass box 5 and ground contact and make supporting leg 4 and ground separation under connecting plate 13 and shock attenuation board 16 common effect, then remove frequency conversion cabinet 1, universal wheel 19 removes when driving frequency conversion cabinet 1 and remove, rock the power that produces vertical direction when frequency conversion cabinet 1 removes, under the effect of damping spring 183 elasticity, with the atress dispersion of vertical direction for rocking that horizontal atress reduces frequency conversion cabinet 1, can.

Claims

1. The utility model provides a frequency conversion cabinet for oil field, includes frequency conversion cabinet (1), its characterized in that: the inner cavity of the frequency conversion cabinet (1) is fixedly provided with a filter screen (2), the front of the frequency conversion cabinet (1) is hinged with a cabinet door (3), four corners of the bottom of the frequency conversion cabinet (1) are respectively and fixedly provided with supporting legs (4), the bottom of the frequency conversion cabinet (1) positioned inside the four supporting legs (4) is fixedly provided with a box body (5), four corners of the top of the inner cavity of the box body (5) are respectively and fixedly provided with adjusting cylinders (6), the inner cavities of the four adjusting cylinders (6) are respectively and threadedly sleeved with threaded rods (7), the bottoms of the four threaded rods (7) are respectively penetrated through and extended to the outside of the adjusting cylinders (6), one sides of the four threaded rods (7) are movably connected with limiting rods (8) which are respectively and fixedly connected with the side walls of the inner cavity of the box body (5), the top of the adjusting cylinders (6) is fixedly sleeved with worm wheels (9), and, the number of the worms (10) is two, two ends of the two worms (10) are movably sleeved with the front surface and the back surface of the inner cavity of the box body (5) respectively, one end of one worm (10) penetrates through and extends to the outside of the box body (5) and is fixedly connected with one side of the handle (11), one end of the two worms (10) positioned in the box body (5) is in transmission connection through a belt (12), the bottom ends of the four threaded rods (7) are fixedly connected with the top of a connecting plate (13) respectively, the periphery of the connecting plate (13) is movably connected with the side wall of the inner cavity of the box body (5) respectively, four corners and the middle part of the bottom end of the connecting plate (13) are fixedly connected with a push block (14) and a telescopic rod I (15) respectively, the bottom end of the telescopic rod I (15) is fixedly connected with the middle part of the top end of a damping plate (16) positioned in the box body (5), and four corners, damping devices (18) are respectively and fixedly connected inside the damping grooves (17), and universal wheels (19) are respectively and fixedly connected at four corners of the bottom end of the damping plate (16);

the damping device (18) comprises a connecting block (181), the outside of the connecting block (181) is movably sleeved with the inside of a damping groove (17), one end of the connecting block (181) is fixedly connected with one end of a telescopic rod II (182), the other end of the telescopic rod II (182) is fixedly connected with one side of an inner cavity of the damping groove (17), a damping spring (183) is movably sleeved on the outside of the telescopic rod II (182), and two ends of the damping spring (183) are respectively fixedly connected with two ends of the telescopic rod II (182);

the middle of the back of the frequency conversion cabinet (1) is provided with uniformly distributed heat dissipation holes, and the diameter value of the heat dissipation holes on the frequency conversion cabinet (1) is larger than the mesh number of the filter screen (2);

the cabinet door (3) is a two-leaf split door, and a glass window is fixedly arranged on the cabinet door (3);

the bottom of the box body (5) positioned under the universal wheel (19) is provided with an adjusting hole, and the diameter value of the adjusting hole on the box body (5) is larger than that of the universal wheel (19);

the length value of the threaded rod (7) is larger than the distance value between the universal wheel (19) and the ground, a sliding groove is formed in one side of the threaded rod (7), and the inner part of the sliding groove in the threaded rod (7) is movably connected with one end of the limiting rod (8);

one end of each of the two worms (10) in the inner cavity of the box body (5) is provided with a groove, and the inner part of the groove on each worm (10) is in sliding connection with the outer part of the belt (12);

the bottom of the push block (14) is wedge-shaped, and the shape of the bottom of the push block (14) is the same as the shape and specification of one end, far away from the damping spring (183), of the connecting block (181);

the number of the shock absorption devices (18) is sixteen, each group of the shock absorption devices is four, and the four groups of shock absorption devices (18) respectively use the vertical central axis and the horizontal central axis of the shock absorption plate (17) as the symmetric centers.