CN218816816U

CN218816816U - Variable-frequency oil transfer pump for crude oil pipeline

Info

Publication number: CN218816816U
Application number: CN202223186934.8U
Authority: CN
Inventors: 李东全; 魏义昕; 潘志榆; 张中洋; 张俊伟; 褚彦吉; 王健; 陶冶; 张菲; 史大源; 刘白杨
Original assignee: China Oil and Gas Pipeline Network Corp; National Pipe Network Group North Pipeline Co Ltd
Current assignee: China Oil and Gas Pipeline Network Corp; National Pipe Network Group North Pipeline Co Ltd
Priority date: 2022-11-28
Filing date: 2022-11-28
Publication date: 2023-04-07
Anticipated expiration: 2032-11-28

Abstract

The utility model relates to a variable frequency oil transfer pump for a crude oil pipeline, which comprises a base, a variable frequency oil transfer pump body and an oil pipeline; the upper side of the base is fixedly connected with the bottom of the variable-frequency oil delivery pump body, the output end and the input end of the variable-frequency oil delivery pump body are respectively connected with the oil delivery pipeline and the oil inlet pipeline, a transition connecting plate is clamped on the inner side of the top of the base, the top of the transition connecting plate is fixedly connected with the bottom of the variable-frequency oil delivery pump body, and a main damping part and a pressure monitoring part are respectively arranged between the surface of the bottom of the transition connecting plate and the inner wall of the base; the oil pipeline surface still overlaps and is equipped with the installation external member. The utility model discloses not only can reduce and inverter pump's vibration, the operating personnel of being convenient for simultaneously in time discovers unusually.

Description

Variable-frequency oil transfer pump for crude oil pipeline

Technical Field

The utility model belongs to the technical field of frequency conversion petroleum pump technique and specifically relates to a frequency conversion petroleum pump for crude oil pipeline is related to.

Background

At present, petroleum which is not processed is customarily called as crude oil, is black brown, has green fluorescence and is a viscous oily liquid with special smell, is a mixture of a plurality of liquid hydrocarbons such as alkane, cyclane, aromatic hydrocarbon, olefin and the like, and has two main components of carbon and hydrogen which respectively account for 83-87 percent and 11-14 percent; and also contains a small amount of sulfur, oxygen and nitrogen and trace elements of phosphorus, arsenic, potassium, sodium, calcium, magnesium, nickel, iron, vanadium and the like, and the crude oil can be refined and processed to obtain various products of fuel oil, solvent oil, lubricating grease, paraffin, asphalt, liquefied gas, aromatic hydrocarbon and the like, so that the fuel, the raw materials and the chemical products are provided for various departments of national economy,

the variable frequency oil transfer pump used in the crude oil opening process has the advantages that in the operation process, structural vibration is the unavoidable condition, the influence of equipment vibration on oil transfer operation is reduced, a damping device is usually matched with the variable frequency oil transfer pump in the prior art, the energy of vibration is buffered and dissipated, although the mode can protect the buffering and dissipation of the variable frequency oil transfer pump, the variable frequency oil transfer pump is limited by self structural influence, the specific implementation effect cannot be quantitatively displayed, the grasping degree of a worker is only based on theoretical calculation, when the phenomenon that the variable frequency oil transfer pump is abnormally vibrated to a large extent due to the use abrasion or the fault of the damping device, the worker cannot be warned, and certain limitation exists in the use function.

Therefore, those skilled in the art are devoted to develop a variable frequency oil transfer pump for crude oil pipelines, which not only can reduce the vibration of the variable frequency pump, but also is convenient for operators to find out the abnormality in time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a frequency conversion petroleum pump for crude oil pipeline is provided, not only can reduce and the vibration of frequency conversion pump, the operating personnel of being convenient for simultaneously in time discovers unusually.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a frequency conversion oil transfer pump for a crude oil pipeline comprises a base, a frequency conversion oil transfer pump body and an oil pipeline;

the upper side of the base is fixedly connected with the bottom of the variable-frequency oil delivery pump body, the output end and the input end of the variable-frequency oil delivery pump body are respectively connected with the oil delivery pipeline and the oil inlet pipeline, a transition connecting plate is clamped on the inner side of the top of the base, the top of the transition connecting plate is fixedly connected with the bottom of the variable-frequency oil delivery pump body, and a main damping part and a pressure monitoring part are respectively arranged between the surface of the bottom of the transition connecting plate and the inner wall of the base;

the oil pipeline surface still overlaps and is equipped with the installation external member.

The utility model has the advantages that: install the main shock attenuation part between transition connecting plate and base and install the vibrations that can effectual reduction frequency conversion petroleum pump at defeated oil pipe surface's installation external member, improve frequency conversion petroleum pump's transport efficiency, the pressure monitoring part of installation is used for monitoring frequency conversion petroleum pump whether unusual vibrations appear simultaneously, improves frequency conversion petroleum pump's monitoring ability.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the installation kit includes two symmetrical semicircle combination lagging, two semicircle combination lagging clamp connects oil pipeline surface, two semicircle combination lagging top inboard all is through bolted connection with the bottom inboard, bolt tip threaded connection has the nut, two semicircle combination lagging surface equal fixedly connected with link.

The beneficial effect of adopting above-mentioned further scheme is that two semicircle combination lagging are connected with the link after fixed with defeated oil pipe block and are supported defeated oil pipe, the vibrations of defeated oil pipe when reducing crude oil transportation.

Further, the link bottom with the base passes through screw fixed connection, the groove of stepping down has all been seted up to link middle part inboard and the outside, the inslot portion cover of stepping down is equipped with supplementary shock attenuation part.

Adopt the beneficial effect of above-mentioned further scheme to be the effectual vibrations that reduce defeated oil pipe of supplementary damping part.

Furthermore, supplementary shock attenuation part includes second compression spring, two the one end of second compression spring respectively with the inslot both ends inner wall fixed connection of stepping down, two the equal fixedly connected with second damping sleeve of the other end of second compression spring, two second damping sleeve swing joint, and two second damping sleeve, two the second compression spring joint has the second guide bar, the second guide bar is fixed cup joint the inslot side of stepping down.

Adopt above-mentioned further scheme's beneficial effect to reduce defeated oil pipe's vibrations through compression spring and damping cover, and the shock attenuation is efficient.

Further, the oil inlet pipeline is installed on the connecting frame through a connecting piece.

Adopt the beneficial effect of above-mentioned further scheme to advance the oil pipe installation and also install on supplementary shock-absorbing member, further reduce the vibrations of frequency conversion petroleum pump.

Furthermore, main shock attenuation part includes first compression spring, just first compression spring both ends are connected with respectively transition connecting plate bottom surface and first damping cover, first damping cover with first compression spring activity has cup jointed first guide bar, first guide bar one end with transition connecting plate bottom fixed surface is connected, and the first guide bar other end extends to first damping cover bottom is inboard.

Adopt the beneficial effect of above-mentioned further scheme to reduce the vibrations of frequency conversion delivery pump through first compression spring and first damping cover.

Further, the pressure monitoring part comprises a movable plate, a rotating shaft is fixedly sleeved on the inner side of the top of the movable plate, two ends of the rotating shaft are movably sleeved on the inner side of the bottom of the transition connecting plate, a spherical block is fixedly sleeved on the inner side of the bottom of the movable plate, pressure sensors are arranged on two sides of the spherical block respectively, a mounting plate is fixedly connected to the surface of each pressure sensor, and the bottom of the mounting plate is connected with the inner wall of the bottom of the base through screws.

The beneficial effect who adopts above-mentioned further scheme is that the pressure monitoring part is used for monitoring the frequency conversion petroleum pump and whether appears abnormal vibration, avoids causing the damage to the frequency conversion petroleum pump and prolongs the life of frequency conversion petroleum pump, improves the conveying efficiency of frequency conversion petroleum pump.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present invention;

fig. 2 is a schematic rear view of an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 at B according to the present invention;

fig. 4 is an enlarged schematic structural view of a in fig. 2 according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base; 2. a variable frequency oil delivery pump body; 3. an oil pipeline; 4. a transition connecting plate; 5. a main damping component; 51. a first compression spring; 52. a first guide bar; 53. a first damping sleeve; 6. a pressure monitoring component; 61. a movable plate; 62. a spherical block; 63. a pressure sensor; 64. mounting a plate; 7. installing a kit; 71. a semicircular combined sleeve plate; 72. a bolt; 73. a nut; 8. a connecting frame; 9. an auxiliary shock-absorbing member; 91. a second compression spring; 92. a second damping sleeve; 93. a second guide bar; 10. a yielding groove; 11. an oil inlet pipeline; 12. a connecting member.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "length", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "inner", "outer", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the system or element being 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.

In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a variable frequency oil transfer pump for crude oil pipelines comprises a base 1, a variable frequency oil transfer pump body 2 and an oil pipeline 3; the upper side of a base 1 is fixedly connected with the bottom of a variable-frequency oil delivery pump body 2, the output end and the input end of the variable-frequency oil delivery pump body 2 are respectively connected with an oil delivery pipeline 3 and an oil inlet pipeline 11, the inner side of the top of the base 1 is clamped with a transition connecting plate 4, the top of the transition connecting plate 4 is fixedly connected with the bottom of the variable-frequency oil delivery pump body 2, and a main damping part 5 and a pressure monitoring part 6 are respectively arranged between the surface of the bottom of the transition connecting plate 4 and the inner wall of the base 1; the surface of the oil pipeline 3 is also sleeved with an installation sleeve 7.

The utility model discloses in install main shock attenuation part 5 between transition connecting plate 4 and base 1 and install the vibrations that can the effectual reduction frequency conversion oil delivery pump body 2 at the installation external member 7 on oil pipeline 3 surface, improve the transport efficiency of frequency conversion oil delivery pump, the pressure monitoring part 6 of installation is used for monitoring frequency conversion oil delivery pump simultaneously and whether unusual vibrations appear, improves the monitoring ability of frequency conversion oil delivery pump.

As shown in fig. 1 and 2, in some embodiments, the installation kit 7 includes two symmetrical semicircular combination sleeve plates 71, the two semicircular combination sleeve plates 71 are clamped on the surface of the oil pipeline 3, the top inner sides and the bottom inner sides of the two semicircular combination sleeve plates 71 are connected through bolts 72, the ends of the bolts 72 are screwed with nuts 73 for locking, the surfaces of the two semicircular combination sleeve plates 71 are fixedly connected with the connection frames 8, and the connection frames 8 are used for supporting the oil pipeline.

Specifically, 8 bottoms of link 8 pass through screw fixed connection with base 1, and the groove 10 of stepping down has all been seted up to 8 middle part inboards and the outside of link, and the inside cover in groove 10 of stepping down is equipped with supplementary shock attenuation part 9, and oil inlet pipe says 11 and installs on link 8 through connecting piece 12.

Further, supplementary shock attenuation part 9 includes second compression spring 91, two second compression spring 91's one end respectively with the groove 10 both ends inner wall fixed connection that steps down, two second compression spring 91's the equal fixedly connected with second damping sleeve 92 of the other end, two second damping sleeve 92 swing joint, and two second damping sleeves 92, two second compression spring 91 joints have second guide bar 93, second guide bar 93 is fixed to be cup jointed at the groove 10 inboardly of stepping down. Oil pipeline 3 passes through link 8 and base 1 fixed connection, among the crude oil transportation process, vibrations can appear in oil pipeline 3, vibrations can be followed the top of link 8 and transmitted downwards, because install second compression spring 91 in the groove 10 of stepping down at link 8 middle part, and second compression spring 91 both ends respectively with 8 upside of link and downside butt, can transmit partly vibrations to second compression spring 91 when making its link 8 transmit vibrations downwards again, second compression spring 91 and second damping cover 92 absorb the consumption with partial vibrations, reduce the vibrations of transmission to link 8 bottom, and then reduce oil pipeline 3's vibrations. Similarly, the oil inlet pipe 11 is installed on the connection frame 8 through the connection member 12, and the second compression spring 91 and the second damping sleeve 92 absorb and dissipate the shock of the oil inlet pipe 11.

As shown in fig. 2 and 3, in some embodiments, the main damping member 5 includes a first compression spring 51, and both ends of the first compression spring 51 are respectively connected to the bottom surface of the transition connection plate 4 and a first damping sleeve 53, so that both ends of the first compression spring 51 are respectively abutted to the lower side of the base 1 and the upper side of the transition connection plate 4, the first damping sleeve 53 and the first compression spring 51 are movably sleeved with a first guide rod 52, one end of the first guide rod 52 is fixedly connected to the bottom surface of the transition connection plate 4, and the other end of the first guide rod 52 extends to the inner side of the bottom of the first damping sleeve 53. In the crude oil conveying process, the variable frequency oil conveying pump body 2 transmits the vibration generated in the work to the transition connecting plate 4, and the first compression spring 51 is installed between the transition connecting plate 4 and the lower side of the base 1, so that the vibration generated by the variable frequency oil conveying pump body 2 is absorbed and consumed.

In the embodiment, as shown in fig. 2, in order to avoid abnormal vibration of the variable frequency oil delivery pump body 2 during oil delivery, the transition connection plate 4 is connected with a pressure monitoring component 6. Specifically, pressure monitoring part 6 includes fly leaf 61, the fixed rotational axis that has cup jointed in fly leaf 61 top inboard, make its fly leaf 61 rotate around the rotational axis, the equal activity in rotation axis both ends is cup jointed in 4 bottoms inboards of transition connecting plate, fly leaf 61 bottom inboard fixed cup joints spherical piece 62, spherical piece 62 both sides all are provided with pressure sensor 63, two pressure sensor 63 are used for monitoring left side vibrations displacement and right side vibrations displacement respectively, and will detect data transmission to controller, if left side vibrations displacement or right side vibrations displacement when exceeding the setting value, the controller can send alarm signal, and carry out corresponding control operation to the frequency conversion oil transportation pump body 2, avoid haring the frequency conversion oil transportation pump body 2. The surface of the pressure sensor 63 is fixedly connected with a mounting plate 64, and the bottom of the mounting plate 64 is connected with the inner wall of the bottom of the base 1 through a screw.

The utility model discloses the theory of operation: the vibration generated in the operation of the variable-frequency oil delivery pump body 2 is transmitted to the transition connecting plate 4 and then transmitted to the main damping part 5, the first compression spring 51 and the first damping sleeve 53 in the main damping part 5 are used for buffering and energy dissipation, the residual vibration energy is transmitted to the movable plate 61 in the pressure monitoring part 6, the movable plate 61 is enabled to perform reciprocating swing movement by virtue of a rotating shaft arranged between the movable plate 61 and the inner side of the bottom of the transition connecting plate 4, the reciprocating swing movable plate 61 can drive the spherical block 62 to contact and press the pressure sensor 63, then the pressure sensor 63 transmits the pressure signal to the controller, and then the pressure signals in different time periods are utilized to set a quantitative standard for the vibration condition of the variable-frequency oil delivery pump equipment. Meanwhile, the second compression spring 91 and the second guide rod 93 in the auxiliary shock absorption part 9 can perform buffering and energy dissipation on the vibration transmitted to the oil pipeline 3 and the oil inlet pipeline 11 by adopting the same principle as the first compression spring 51 and the first damping sleeve 53.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a frequency conversion fuel delivery pump for crude oil pipeline which characterized in that: comprises a base (1), a variable-frequency oil delivery pump body (2) and an oil delivery pipeline (3);

the upper side of the base (1) is fixedly connected with the bottom of the variable-frequency oil delivery pump body (2), the output end and the input end of the variable-frequency oil delivery pump body (2) are respectively connected with the oil delivery pipeline (3) and the oil inlet pipeline (11), the inner side of the top of the base (1) is clamped with a transition connecting plate (4), the top of the transition connecting plate (4) is fixedly connected with the bottom of the variable-frequency oil delivery pump body (2), and a main damping part (5) and a pressure monitoring part (6) are respectively arranged between the surface of the bottom of the transition connecting plate (4) and the inner wall of the base (1);

the oil pipeline (3) surface still overlaps and is equipped with installation external member (7).

2. The variable frequency oil transfer pump for crude oil pipelines of claim 1, wherein: installation external member (7) include semicircle combination lagging (71), two of two symmetries semicircle combination lagging (71) joint is in oil pipeline (3) surface, two semicircle combination lagging (71) top inboard all is connected through bolt (72) with the bottom inboard, bolt (72) tip threaded connection has nut (73), two semicircle combination lagging (71) equal fixedly connected with link (8) in surface.

3. The variable frequency oil transfer pump for crude oil pipelines of claim 2, wherein: link (8) bottom with base (1) passes through screw fixed connection, link (8) middle part has been seted up and has been stepped down groove (10), the inside cover in groove of stepping down (10) is equipped with supplementary shock attenuation part (9).

4. The variable frequency oil transfer pump for crude oil pipelines of claim 3, wherein: supplementary shock attenuation part (9) include second compression spring (91), two the one end of second compression spring (91) respectively with groove (10) both ends inner wall fixed connection, two give way the equal fixedly connected with second damping sleeve (92), two of the other end of second compression spring (91) second damping sleeve (92) swing joint, and two second damping sleeve (92), two second compression spring (91) joint has second guide bar (93), second guide bar (93) are fixed cup joints groove (10) are inboard of giving way.

5. The variable frequency oil transfer pump for crude oil pipelines of claim 3, wherein: the oil inlet pipeline (11) is installed on the connecting frame (8) through a connecting piece (12).

6. The variable frequency oil transfer pump for crude oil pipelines of claim 1, wherein: main shock attenuation part (5) include first compression spring (51), just first compression spring (51) both ends are connected with respectively transition connecting plate (4) bottom surface and first damping cover (53), first damping cover (53) with first compression spring (51) activity has cup jointed first guide bar (52), first guide bar (52) one end with transition connecting plate (4) bottom fixed surface is connected, and first guide bar (52) other end extends to it is inboard first damping cover (53) bottom.

7. The variable frequency oil transfer pump for crude oil pipelines of claim 1, wherein: pressure monitoring part (6) include fly leaf (61), the fixed cover in fly leaf (61) top inboard has connect the rotation axis, the equal activity in rotation axis both ends is cup jointed transition connecting plate (4) bottom inboard, the fixed cover in fly leaf (61) bottom inboard has connect spherical piece (62), spherical piece (62) both sides all are provided with pressure sensor (63), pressure sensor (63) fixed surface is connected with mounting panel (64), the bottom of mounting panel (64) pass through the screw with base (1) bottom inner wall connection.