CN115727015B - Convenient-to-maintain large axial flow pump convenient for Internet of things - Google Patents
Convenient-to-maintain large axial flow pump convenient for Internet of things Download PDFInfo
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- CN115727015B CN115727015B CN202211398298.7A CN202211398298A CN115727015B CN 115727015 B CN115727015 B CN 115727015B CN 202211398298 A CN202211398298 A CN 202211398298A CN 115727015 B CN115727015 B CN 115727015B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000012423 maintenance Methods 0.000 claims abstract description 16
- 238000004891 communication Methods 0.000 claims abstract description 8
- 238000003780 insertion Methods 0.000 claims description 38
- 230000037431 insertion Effects 0.000 claims description 38
- 239000000758 substrate Substances 0.000 claims description 26
- 238000009434 installation Methods 0.000 claims description 20
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The application discloses a large-scale axial flow pump which is convenient for the Internet of things and convenient for maintenance, comprising a control unit, a wireless communication unit, a pump shell, a water inlet pipe, a water outlet pipe, a motor frame connected with the pump shell, a first motor arranged at the motor frame, a rotating shaft which stretches into the pump shell and is driven by the first motor, an impeller arranged at the rotating shaft and a rotating blade arranged at the impeller; the pump shell comprises a first straight pipe, a second straight pipe and a connecting bent pipe for connecting the first straight pipe and the second straight pipe, wherein a first connecting flange is fixed at the end part of the first straight pipe, a second connecting flange is fixed at the end part of the second straight pipe, a first fixing flange fixed with the first connecting flange is arranged at one end of the water outlet pipe, a water outlet flange is arranged at the other end of the water outlet pipe, a second fixing flange fixed with the second connecting flange is arranged at one end of the water inlet pipe, and a water inlet flange is arranged at the other end of the water inlet pipe. The axial flow pump is convenient to monitor and maintain, and the maintenance is more convenient.
Description
Technical Field
The application relates to the field of hydraulic engineering, in particular to a large axial flow pump which is convenient for the Internet of things and convenient for maintenance.
Background
In hydraulic engineering, often use axial-flow pump as the water pump of pumping, axial-flow pump's main characteristics is that the flow of pumping is big, and can make into large-scale pump body, thereby can be used to large-scale hydraulic engineering, and in some pump stations, often can set up the large-scale axial-flow pump of a row, through this setting, the flow of pumping is very big, but the corresponding maintenance, the cost of management is also higher, need periodic maintenance, manage each axial-flow pump, the maintenance to axial-flow pump in the past need rely on manual inspection, but still inspection often human cost is high, and when slight unusual appears, be difficult to discover, consequently lead to the reliability of maintenance management not enough. The patrol information record during maintenance and management is inconvenient to transfer and store. With the progress of internet of things, if can carry out the internet of things to the water pump, through setting up more sensors to utilize internet of things transmission information can greatly increased information transmission's efficiency and reliability, and the cost of maintenance also can greatly reduced. However, at present, there is a great development space for management and improvement of the internet of things of the water pump.
Disclosure of Invention
The application aims to: the application aims to overcome the defects of the prior art and provides a large axial flow pump which is convenient for the Internet of things and maintenance.
The technical scheme is as follows: an axial flow pump comprises a control unit, a wireless communication unit, a pump shell, a water inlet pipe, a water outlet pipe, a motor frame connected with the pump shell, a first motor arranged at the motor frame, a rotating shaft extending into the pump shell and driven by the first motor, an impeller arranged at the rotating shaft and a rotating blade arranged at the impeller; the pump shell comprises a first straight pipe, a second straight pipe and a connecting bent pipe for connecting the first straight pipe and the second straight pipe, wherein a first connecting flange is fixed at the end part of the first straight pipe, a second connecting flange is fixed at the end part of the second straight pipe, a first fixing flange fixed with the first connecting flange is arranged at one end of the water outlet pipe, a water outlet flange is arranged at the other end of the water outlet pipe, a second fixing flange fixed with the second connecting flange is arranged at one end of the water inlet pipe, and a water inlet flange is arranged at the other end of the water inlet pipe.
Further, still include fixed base, be fixed in fixed base's fixing base, with pump case fixed connection's installation riser and with installation riser fixed connection's installation horizontal plate, the fixing base includes horizontal base and two L shape backup pads of connecting horizontal base and fixed base, be connected with a plurality of supporting springs between horizontal base and the installation horizontal plate.
Thereby achieving stable installation of the axial flow pump casing and providing sufficient cushioning at the time of installation.
Further, the fixing substrate is provided with a plurality of mounting through holes.
Further, a first sealing ring is arranged between the first connecting flange and the first fixing flange.
Further, the first connecting flange and the first fixing flange are fixedly connected through bolts and nuts.
Further, a second sealing ring is arranged between the second connecting flange and the second fixing flange.
Further, the second connecting flange is fixedly connected with the second fixing flange through bolts and nuts.
The fixing frame comprises two fixed side plates fixedly connected with the fixed base plate, a horizontal sliding rail and a horizontal limiting plate which are connected between the two fixed side plates, a rectangular through hole is formed in the mounting vertical plate, and the horizontal sliding rail and the horizontal limiting plate penetrate through the rectangular through hole; the clamping unit comprises a sliding plate, a sliding seat fixedly connected with the sliding plate, a movable side plate fixedly connected with the sliding plate and the sliding seat, and a mounting side plate fixedly connected with the movable side plate through connecting ribs, wherein two arc plates are fixedly mounted at the mounting side plate and are provided with arc slots, the two arc plates are respectively a first arc plate and a second arc plate, the arc slots of the first arc plate are used for clamping the first connecting flange and the first fixing flange, and the arc slots of the second arc plate are used for clamping the second connecting flange and the second fixing flange; the horizontal limiting plate is fixedly provided with a first step plate, a second step plate is fixedly arranged at the first step plate, a second motor is arranged at the second step plate, two ends of a motor shaft of the second motor extend out, two ends of the motor shaft are connected with screw rods, the clamping units are provided with horizontal thread channels penetrating through the movable side plates and the sliding seat, the two screw rods at the second motor are in one-to-one correspondence with the horizontal thread channels of the two clamping units, and the sliding plate is provided with a horizontal sliding groove matched with the horizontal sliding rail and a limiting through hole matched with the horizontal limiting plate and penetrated by the horizontal limiting plate; the first step plate is provided with two frustum-shaped grooves, the second step plate is positioned between the two frustum-shaped grooves, the sliding plate is fixedly provided with a cylinder mounting plate, a cylinder is mounted at the cylinder mounting plate, the movable end of the cylinder is provided with a frustum-shaped limiting block, and the two cylinders are in one-to-one correspondence with the two frustum-shaped grooves; two the clamping unit can be in the clamping state, two first arc-shaped plates clamp first flange and first flange, two second arc-shaped plates clamp second flange and second flange, and every frustum-shaped stopper all inserts corresponding frustum-shaped recess.
Further, the two screw rods connected with the second motor are opposite in screw direction.
Further, the second motor can control the two clamping units to move toward each other or to move away from each other.
Further, an L-shaped mounting plate is fixed at the movable side plate of at least one clamping unit of the two clamping units, a control box mounting plate is fixed at the top end of the L-shaped mounting plate, a control box and an image acquisition unit are mounted at the control box mounting plate, and the control unit and the wireless communication unit are mounted in the control box.
Thereby realizing stable installation of the control unit and the wireless communication unit and realizing better angle installation of the image acquisition unit.
Further, a sound sensor is arranged at the L-shaped mounting plate, and the image acquisition unit is arranged at the control box mounting plate through a rotating cradle head; the included angle between the control box mounting plate and the horizontal plane is 30-60 degrees.
The rest of the installation angles can be set according to the requirement, the shooting angles of the image acquisition sensors can be changed, and a plurality of image acquisition sensors can be set according to the requirement.
Further, the first connecting flange, the first fixing flange, the second connecting flange and the second fixing flange are annular with plane gaps, plane plates are fixed at the plane gaps of the first connecting flange, the first fixing flange, the second connecting flange and the second fixing flange, the surface of the plane plate, far away from the pump shell, of the first connecting flange is flush with the surface of the plane plate, far away from the pump shell, of the first fixing flange, and the surface of the plane plate, far away from the pump shell, of the second connecting flange is flush with the surface, far away from the pump shell, of the plane plate of the second fixing flange; each plane plate is provided with two through holes, each plane plate is provided with a sensing unit, each sensing unit comprises a vibrating substrate, a limiting column fixedly connected with the vibrating substrate and a vibrating sensor arranged at the vibrating substrate, the end part of each limiting column is provided with an end stop block, each vibrating substrate is fixedly provided with two limiting columns, the two limiting columns correspond to the two through holes one by one, and each limiting column is provided with a compression spring positioned between the vibrating substrate and the end stop block; the two ends of the vibration substrate are respectively provided with an insertion groove, the insertion grooves are provided with an abutting inclined plane, the end parts of the two first arc-shaped plates and the end parts of the two second arc-shaped plates are respectively fixed with an insertion block unit, each insertion block unit comprises a first insertion block, a second insertion block and a third insertion block, the first insertion block of each insertion block unit is provided with two insertion grooves, and each second insertion block can be simultaneously inserted into the two insertion grooves and abutted against the abutting inclined planes of the two insertion grooves; in the clamping state, each plane plate is positioned between one first insert block and one second insert block, and two vibrating substrates of the sensing units are clamped between each second insert block and the corresponding third insert block.
Further, the first plug, the second plug and the third plug of the plug unit are provided with arc chamfers; in the clamping state, a first connecting flange and a first fixing flange are arranged between two first inserting blocks of the first arc-shaped plate; a second connecting flange and a second fixing flange are arranged between the two first inserting blocks of the second arc-shaped plate.
Further, the spacing between the opposing surfaces of the first insert and the second insert is equal to the thickness of the planar plate.
Further, the spacing between the opposing surfaces of the second and third inserts is equal to the thickness of the vibration substrate.
Further, the two clamping units can be in a non-clamping state, in the non-clamping state, the two first arc-shaped rods are not in contact with the first connecting flange and the first fixing flange, and the two second arc-shaped rods are not in contact with the second connecting flange and the second fixing flange.
Thus, when the vibration sensor monitors at this time, the two clamping units have no influence on monitoring, and the image acquisition sensor can obtain a larger acquisition visual angle due to a sufficient distance.
Further, the number of the horizontal sliding rails is two, and the horizontal limiting plate is positioned between the two horizontal sliding rails; a plurality of reinforcing ribs are connected between the sliding plate and the movable side plate, and each movable side plate is connected with the corresponding installation side plate through a plurality of connecting ribs; the section of the mounting side plate is arc-shaped; the plurality of support springs are distributed in a rectangular array.
So that the two clamping units can be stably moved toward each other or moved back to back.
The beneficial effects are that: compared with the existing general axial flow pump, the axial flow pump has the following advantages:
1) The pump body has a stable installation foundation, so that the pump body can be manufactured into a larger pump body, and the pump body can be applied to large hydraulic engineering;
2) The networking of the axial flow pump is realized, so that the remote monitoring and management of the site can be realized, the information can be efficiently transmitted, and the maintenance cost is reduced;
3) The installation of multiple sensors is realized, so that the detection of multiple monitoring information is realized, the pump shell is provided with a clamping function, on one hand, the fixation of the pump body is more stable, on the other hand, the diversification of vibration information monitoring is realized, and the monitoring is more accurate.
Drawings
FIG. 1 is a schematic illustration of an axial flow pump in a clamped state;
FIG. 2 is an enlarged view of area A;
FIG. 3 is another schematic view of the axial flow pump in a clamped condition;
FIG. 4 is a schematic illustration of an axial flow pump in a non-clamped condition;
FIG. 5 is a schematic view of an axial flow pump in an unclamped state from another perspective;
FIG. 6 is a schematic illustration of the component separation;
FIG. 7 is an enlarged view of region B;
fig. 8 is an enlarged view of region C.
Detailed Description
Reference numerals: 1, a water outlet pipe; 1.1 a first fixing flange; 1.2 a planar plate at the first fixing flange;
2, a water inlet pipe; 2.1 a second fixing flange; 2.2 a planar plate at the second fixing flange;
3, a pump shell; 3.1 a first straight tube; 3.1.1 first connecting flange; 3.1.2 plane plates at the first connection flange; 3.2 a second straight tube; 3.2.1 second connecting flange; 3.2.2 plane plates at the second connection flange; 3.3 connecting the bent pipe; 3.4.1 mounting risers; 3.4.2 horizontal plates are mounted; 3.4.3 rectangular through holes; 3.5 supporting springs; 3.6.1 horizontal substrates; 3.6.2L shaped support plates; 3.7 fixing the substrate; 3.7.1 mounting through holes; 3.8 fixing the side plates; 3.8.1 horizontal slide rails; 3.8.2 horizontal stop plates; 3.8.3 first step plate; 3.8.4 frustum-shaped grooves; 3.8.5 second step plate; 3.8.6 second motor; 3.8.7 screw rod; 3.9 motor frame; 3.10 a first motor;
4.1, a sliding plate; 4.1.1 Cylinder mounting plates; 4.1.2 cylinders; 4.1.3 frustum-shaped limiting blocks; 4.2 sliding seats; 4.3 reinforcing ribs; 4.5 mounting side plates; 4.6 connecting ribs; 4.7 movable side plates; 4.8 arc plates; 4.8.1 arc slots; 4.9.1 first plug; 4.9.2 second inserts; 4.9.3 third plug;
5.1 vibrating the substrate; 5.1.1 abutting the inclined plane; 5.2 limiting columns; 5.3 end stops; 5.4 compressing the spring; 5.5 vibration sensor;
a 6L-shaped mounting plate; 6.1 an acoustic sensor; 6.2 an image acquisition unit; 6.3 control box.
As shown in the figure: an axial flow pump comprises a control unit, a wireless communication unit, a pump shell 3, a water inlet pipe 2, a water outlet pipe 1, a motor frame 3.9 connected with the pump shell 3, a first motor 3.10 arranged at the position of the motor frame 3.9, a rotating shaft extending into the pump shell 3 and driven by the first motor 3.10, an impeller arranged at the rotating shaft and a rotating blade arranged at the impeller; the pump shell 3 comprises a first straight pipe 3.1, a second straight pipe 3.2 and a connecting bent pipe 3.3 for connecting the first straight pipe 3.1 and the second straight pipe 3.2, wherein the first connecting flange 3.1.1 is fixed at the end part of the first straight pipe 3.1, the second connecting flange 3.2.1 is fixed at the end part of the second straight pipe 3.2, one end of the water outlet pipe 1 is provided with a first fixing flange 1.1 fixed with the first connecting flange 3.1.1, the other end of the water outlet pipe is provided with a water outlet flange, one end of the water inlet pipe 2 is provided with a second fixing flange fixed with the second connecting flange, and the other end of the water inlet pipe is provided with a water inlet flange. In addition, still include fixed base plate 3.7, be fixed in fixed base plate 3.7's fixing base, with pump case 3 fixed connection's installation riser 3.4.1 and with installation riser fixed connection's installation horizontal plate 3.4.2, the fixing base includes horizontal base plate 3.6.1 and two L shape backup pad 3.6.2 of connecting horizontal base plate 3.6.1 and fixed base plate 3.7, be connected with a plurality of supporting springs 3.5 between horizontal base plate 3.6.1 and the installation horizontal plate 3.4.2.
In addition, the fixing frame comprises two fixing side plates 3.8 fixedly connected with the fixing base plate 3.7, a horizontal sliding rail 3.8.1 and a horizontal limiting plate 3.8.2 which are connected between the two fixing side plates 3.8, a rectangular through hole 3.4.3 is formed in the mounting vertical plate 3.4.1, and the horizontal sliding rail 3.8.1 and the horizontal limiting plate 3.8.2 penetrate through the rectangular through hole; the clamping unit comprises a sliding plate 4.1, a sliding seat 4.2 fixedly connected with the sliding plate 4.1, a movable side plate 4.7 fixedly connected with the sliding plate 4.1 and the sliding seat 4.2, and a mounting side plate 4.5 fixedly connected with the movable side plate 4.7 through a connecting rib 4.6, two arc plates 4.8 are fixedly arranged at the mounting side plate 4.5, each arc plate 4.8 is provided with an arc slot 4.8.1, the two arc plates 4.8 are respectively a first arc plate and a second arc plate, the arc slots of the first arc plates are used for clamping the first connecting flange 3.1.1 and the first fixing flange 1.1, and the arc slots of the second arc plates are used for clamping the second connecting flange 3.1.2 and the second fixing flange 2.1; the horizontal limiting plate 3.8.2 is fixedly provided with a first step plate 3.8.3, the first step plate 3.8.3 is fixedly provided with a second step plate 3.8.5, the second step plate 3.8.5 is provided with a second motor 3.8.6, two ends of a motor shaft of the second motor 3.8.6 extend out, two ends of the motor shaft are respectively connected with a screw rod 3.8.7, the clamping units are provided with horizontal thread channels penetrating through the movable side plate 4.7 and the sliding seat 4.2, two screw rods 3.8.7 at the second motor 3.8.6 are in one-to-one correspondence with the horizontal thread channels of the two clamping units, and the sliding plate 4.1 is provided with a horizontal sliding groove matched with the horizontal sliding rail 3.8.1 and a limiting through hole matched with the horizontal limiting plate 3.8.2 and penetrated by the horizontal limiting plate 3.8.2; the first step plate 3.8.3 is provided with two frustum-shaped grooves 3.8.4, the second step plate 3.8.5 is positioned between the two frustum-shaped grooves 3.8.4, the air cylinder mounting plate 4.1.1 is fixed at the sliding plate 4.1, the air cylinder 4.1.2 is mounted at the air cylinder mounting plate 4.1.1, the movable end of the air cylinder 4.1.2 is provided with a frustum-shaped limiting block 4.1.3, and the two air cylinders 4.1.2 and the two frustum-shaped grooves 3.8.4 are in one-to-one correspondence; the two clamping units can be in a clamping state, in the clamping state, the two first arc plates clamp the first connecting flange 3.1.1 and the first fixing flange 1.1, the two second arc plates clamp the second connecting flange 3.2.1 and the second fixing flange 2.1, and each frustum-shaped limiting block 4.1.3 is inserted into a corresponding frustum-shaped groove 3.8.4.
An L-shaped mounting plate 6 is fixed at the position of a movable side plate 4.7 of at least one clamping unit of the two clamping units, a control box mounting plate is fixed at the top end of the L-shaped mounting plate 6, a control box 6.3 and an image acquisition unit 6.2 are mounted at the position of the control box mounting plate, and the control unit and a wireless communication unit are mounted in the control box 6.3. The L-shaped mounting plate 6 is provided with a sound sensor 6.1, and the image acquisition unit 6.2 is arranged at the control box mounting plate through a rotating cradle head; the included angle between the control box mounting plate and the horizontal plane is 30-60 degrees.
The first connecting flange 3.1.1, the first fixing flange 1.1, the second connecting flange 3.2.1 and the second fixing flange 2.1 are annular with plane notches, plane plates are fixed at the plane notches of the first connecting flange 3.1.1, the first fixing flange 1.1, the second connecting flange 3.2.1 and the second fixing flange 2.1, the surface of the plane plate of the first connecting flange 3.1.1, which is far from the pump shell 3, is flush with the surface of the plane plate of the first fixing flange 1.1, which is far from the pump shell 3, and the surface of the plane plate of the second connecting flange 3.2.1, which is far from the pump shell 3, is flush with the surface of the plane plate of the second fixing flange 2.1, which is far from the pump shell 3; each plane plate is provided with two through holes, each plane plate is provided with a sensing unit, each sensing unit comprises a vibrating substrate 5.1, a limiting column 5.2 fixedly connected with the vibrating substrate 5.1 and a vibrating sensor 5.5 arranged at the vibrating substrate 5.1, the end part of each limiting column 5.2 is provided with an end stop block 5.3, each vibrating substrate 5.1 is fixedly provided with two limiting columns 5.2, the two limiting columns 5.2 are in one-to-one correspondence with the two through holes, and each limiting column 5.2 is provided with a compression spring 5.4 positioned between the vibrating substrate 5.1 and the end stop block 5.3; the two ends of the vibration substrate 5.1 are respectively provided with an insertion groove provided with an abutting inclined plane 5.1.1, the ends of the two first arc-shaped plates and the ends of the two second arc-shaped plates are respectively fixed with an insertion block unit, each insertion block unit comprises a first insertion block 4.9.1, a second insertion block 4.9.2 and a third insertion block 4.9.3, the first insertion block 4.9.1 of each insertion block unit is provided with two abutting inclined planes 5.1.1, and each second insertion block 4.9.2 can be simultaneously inserted into the two insertion grooves and abutted against the two abutting inclined planes of the two insertion grooves; in the clamped state, each planar plate is located between one first insert 4.9.1 and one second insert 4.9.2, and two vibration substrates 5.1 of the sensing units are clamped between each second insert 4.9.2 and the corresponding third insert 4.9.3.
The first plug 4.9.1, the second plug 4.9.2 and the third plug 4.9.3 of the plug unit are provided with arc-shaped chamfers; in the clamped state, a first connecting flange 3.1.1 and a first fixing flange 1.1 are arranged between the two first inserting blocks 4.9.1 of the first arc-shaped plate; a second connecting flange 3.2.1 and a second fixing flange 2.1 are arranged between the two first insert blocks 4.9.1 of the second arc-shaped plate. The two clamping units can be in a non-clamping state, in which the two first arc-shaped rods are not in contact with the first connecting flange 3.1.1 and the first fixing flange 1.1, and the two second arc-shaped rods are not in contact with the second connecting flange 3.2.1 and the second fixing flange 2.1. The horizontal sliding rails 3.8.1 are two, and the horizontal limiting plate 3.8.2 is positioned between the two horizontal sliding rails 3.8.1; a plurality of reinforcing ribs 4.3 are connected between the sliding plate 4.1 and the movable side plate 4.7, and each movable side plate 4.7 is connected with the corresponding installation side plate 4.5 through a plurality of connecting ribs 4.6; the section of the mounting side plate 4.5 is arc-shaped; the plurality of support springs 3.5 are distributed in a rectangular array.
According to the axial flow pump, as shown in the figure, the fixed base plate can be fixed at a fixed foundation through bolts or stud nuts, so that stable installation of the axial flow pump is realized, the axial flow pump can be large in size, the water inlet pipe and the water outlet pipe with the extending function can be arranged to serve as a large axial flow pump, the axial flow pump is supported by arranging a plurality of supporting springs, and clamping units are arranged on two sides of the axial flow pump to clamp the axial flow pump. When the axial flow pump is normally used, the clamping unit clamps from two sides, and the clamping unit clamps and fixes the whole formed by the two first connecting flanges and the first fixing flange and the whole formed by the second connecting flange and the second fixing flange from two sides, so that stable installation of the axial flow pump is formed.
Under the condition that needs to detect (detect can regularly carry out to can conveniently maintain axial-flow pump according to the result of detecting), during the detection, the second motor can drive, separate two clamping units, thereby two clamping units move to both sides, the image acquisition unit can gather the image, thereby realize the collection to axial-flow pump's image, the sound sensor can gather sound, vibration sensor can detect vibration signal, and axial-flow pump is in running state this moment, the pump case does not have the support of clamping unit, the supporting spring (supporting elasticity is thicker, can realize the steady support to the pump case, and make the pump case relatively completely fixed dead state when moving, vibration amplitude is bigger) the setting can make the vibration signal that produces after the operation of axial-flow pump's first motor bigger, thereby compare the vibration signal of collection with the vibration signal (namely vibration signal under the normal running condition) when installing, the result of comparison is more accurate.
Then make axial-flow pump stop operation, second motor drive two clamping units carry out the centre gripping to the pump body, the inlet tube, the outlet pipe, thereby with pump case centre gripping fixed, concrete centre gripping is as shown, along with two clamping units's mutual closeness, first inserted block and second inserted block are with the flat board centre gripping, the second inserted block inserts the insertion recess and the butt inclined plane, thereby make vibration base plate to keeping away from the direction of flat board remove, and finally vibration base plate is held between second inserted block and third inserted block, and because compression spring's effect, vibration base plate can support tight second inserted block, thereby vibration sensor can respond to the whole vibration at axial-flow pump operation in-process that pump case and two clamping units formed. After clamping is finished, an image is acquired through an image acquisition unit, the fact that the clamping position is accurate is confirmed to be free of problems, then an axial flow pump is started, image information, sound information and vibration information are acquired again, accordingly the acquired information is compared with initial information (namely, information of water pump operation under normal conditions) in a clamping state, and accordingly whether the axial flow pump is abnormal or not is judged. And in the same detection, the sound information and the vibration information can be compared in the clamping state and the non-clamping state, so that the type of the fault can be judged according to the comparison. For example, sound information and vibration information are normal in the clamped state, but sound information or vibration information is abnormal in the unclamped state, which means that both clamping units and driving structures are normal, but that the support springs, horizontal base plates, mounting horizontal plates, and the like may be abnormal. In contrast, if the sound information or the vibration information is abnormal in the clamped state, but the sound information and the vibration information are normal in the unclamped state, it is explained that the support springs, the horizontal base plate, the mounting horizontal plate, and the like are normal, but the two clamping units and the driving structure may be abnormal. Therefore, the detection of the image information, the sound information and the vibration information in different states can realize the more-dimensional investigation of faults.
While the application has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the scope of the application as defined in the following claims.
Claims (6)
1. The large-scale axial flow pump is characterized by comprising a control unit, a wireless communication unit, a pump shell, a water inlet pipe, a water outlet pipe, a motor frame connected with the pump shell, a first motor arranged at the motor frame, a rotating shaft extending into the pump shell and driven by the first motor, an impeller arranged at the rotating shaft and a rotating blade arranged at the impeller, wherein the rotating shaft is convenient to maintain; the pump shell comprises a first straight pipe, a second straight pipe and a connecting bent pipe for connecting the first straight pipe and the second straight pipe, wherein a first connecting flange is fixed at the end part of the first straight pipe, a second connecting flange is fixed at the end part of the second straight pipe, a first fixing flange fixed with the first connecting flange is arranged at one end of the water outlet pipe, a water outlet flange is arranged at the other end of the water outlet pipe, a second fixing flange fixed with the second connecting flange is arranged at one end of the water inlet pipe, and a water inlet flange is arranged at the other end of the water inlet pipe; the large axial flow pump further comprises a fixed base plate, a fixed seat fixed on the fixed base plate, a mounting vertical plate fixedly connected with the pump shell and a mounting horizontal plate fixedly connected with the mounting vertical plate, wherein the fixed seat comprises a horizontal base plate and two L-shaped supporting plates connected with the horizontal base plate and the fixed base plate, and a plurality of supporting springs are connected between the horizontal base plate and the mounting horizontal plate; the large axial flow pump further comprises a fixing frame and two clamping units, wherein the fixing frame comprises two fixing side plates fixedly connected with the fixing base plate, a horizontal sliding rail and a horizontal limiting plate, the horizontal sliding rail and the horizontal limiting plate are connected between the two fixing side plates, rectangular through holes are formed in the mounting vertical plate, and the horizontal sliding rail and the horizontal limiting plate penetrate through the rectangular through holes; the clamping unit comprises a sliding plate, a sliding seat fixedly connected with the sliding plate, a movable side plate fixedly connected with the sliding plate and the sliding seat, and a mounting side plate fixedly connected with the movable side plate through connecting ribs, wherein two arc plates are fixedly mounted at the mounting side plate and are provided with arc slots, the two arc plates are respectively a first arc plate and a second arc plate, the arc slots of the first arc plate are used for clamping the first connecting flange and the first fixing flange, and the arc slots of the second arc plate are used for clamping the second connecting flange and the second fixing flange; the horizontal limiting plate is fixedly provided with a first step plate, a second step plate is fixedly arranged at the first step plate, a second motor is arranged at the second step plate, two ends of a motor shaft of the second motor extend out, two ends of the motor shaft are connected with screw rods, the clamping units are provided with horizontal thread channels penetrating through the movable side plates and the sliding seat, the two screw rods at the second motor are in one-to-one correspondence with the horizontal thread channels of the two clamping units, and the sliding plate is provided with a horizontal sliding groove matched with the horizontal sliding rail and a limiting through hole matched with the horizontal limiting plate and penetrated by the horizontal limiting plate; the first step plate is provided with two frustum-shaped grooves, the second step plate is positioned between the two frustum-shaped grooves, the sliding plate is fixedly provided with a cylinder mounting plate, a cylinder is mounted at the cylinder mounting plate, the movable end of the cylinder is provided with a frustum-shaped limiting block, and the two cylinders are in one-to-one correspondence with the two frustum-shaped grooves; the two clamping units can be in a clamping state, in the clamping state, the two first arc plates clamp the first connecting flange and the first fixing flange, the two second arc plates clamp the second connecting flange and the second fixing flange, and each frustum-shaped limiting block is inserted into a corresponding frustum-shaped groove; the first connecting flange, the first fixing flange, the second connecting flange and the second fixing flange are annular with plane gaps, plane plates are fixed at the plane gaps of the first connecting flange, the first fixing flange, the second connecting flange and the second fixing flange, the surface of the plane plate of the first connecting flange, which is far away from the pump shell, is flush with the surface of the plane plate of the first fixing flange, which is far away from the pump shell, and the surface of the plane plate of the second connecting flange, which is far away from the pump shell, is flush with the surface of the plane plate of the second fixing flange, which is far away from the pump shell; each plane plate is provided with two through holes, each plane plate is provided with a sensing unit, each sensing unit comprises a vibrating substrate, a limiting column fixedly connected with the vibrating substrate and a vibrating sensor arranged at the vibrating substrate, the end part of each limiting column is provided with an end stop block, each vibrating substrate is fixedly provided with two limiting columns, the two limiting columns correspond to the two through holes one by one, and each limiting column is provided with a compression spring positioned between the vibrating substrate and the end stop block; the two ends of the vibration substrate are respectively provided with an insertion groove, the insertion grooves are provided with an abutting inclined plane, the end parts of the two first arc-shaped plates and the end parts of the two second arc-shaped plates are respectively fixed with an insertion block unit, each insertion block unit comprises a first insertion block, a second insertion block and a third insertion block, the first insertion block of each insertion block unit is provided with two insertion grooves, and each second insertion block can be simultaneously inserted into the two insertion grooves and abutted against the abutting inclined planes of the two insertion grooves; in the clamping state, each plane plate is positioned between one first insert block and one second insert block, and two vibrating substrates of the sensing units are clamped between each second insert block and the corresponding third insert block.
2. The large-scale axial flow pump convenient for maintenance and convenient for Internet of things according to claim 1, wherein an L-shaped mounting plate is fixed at the movable side plate of at least one clamping unit of the two clamping units, a control box mounting plate is fixed at the top end of the L-shaped mounting plate, a control box and an image acquisition unit are mounted at the control box mounting plate, and the control unit and a wireless communication unit are mounted in the control box.
3. The large-scale axial flow pump convenient for the internet of things and maintenance according to claim 2, wherein the L-shaped mounting plate is provided with a sound sensor, and the image acquisition unit is arranged at the control box mounting plate through a rotating cradle head; the included angle between the control box mounting plate and the horizontal plane is 30-60 degrees.
4. The large-scale axial flow pump facilitating internet of things and maintenance according to claim 1, wherein the first, second and third insert blocks of the insert block unit each have arc-shaped chamfers; in the clamping state, a first connecting flange and a first fixing flange are arranged between two first inserting blocks of the first arc-shaped plate; a second connecting flange and a second fixing flange are arranged between the two first inserting blocks of the second arc-shaped plate.
5. The large-scale axial flow pump facilitating internet of things and maintenance according to claim 1, wherein the two clamping units can be in a non-clamping state, wherein in the non-clamping state, the two first arc-shaped rods are not in contact with the first connecting flange and the first fixing flange, and the two second arc-shaped rods are not in contact with the second connecting flange and the second fixing flange.
6. The large-scale axial flow pump convenient for the internet of things and maintenance according to claim 1, wherein the number of the horizontal sliding rails is two, and the horizontal limiting plate is positioned between the two horizontal sliding rails; a plurality of reinforcing ribs are connected between the sliding plate and the movable side plate, and each movable side plate is connected with the corresponding installation side plate through a plurality of connecting ribs; the section of the mounting side plate is arc-shaped; the plurality of support springs are distributed in a rectangular array.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211398298.7A CN115727015B (en) | 2022-11-09 | 2022-11-09 | Convenient-to-maintain large axial flow pump convenient for Internet of things |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211398298.7A CN115727015B (en) | 2022-11-09 | 2022-11-09 | Convenient-to-maintain large axial flow pump convenient for Internet of things |
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| CN115727015A CN115727015A (en) | 2023-03-03 |
| CN115727015B true CN115727015B (en) | 2023-10-24 |
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| JP2015096707A (en) * | 2013-11-15 | 2015-05-21 | 株式会社荏原製作所 | Device and method for inspecting vertical shaft pump |
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|---|---|
| CN115727015A (en) | 2023-03-03 |
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