CN213744036U

CN213744036U - Monitoring device of wear-resistant multistage centrifugal pump for coal mine

Info

Publication number: CN213744036U
Application number: CN202022538740.4U
Authority: CN
Inventors: 吴长庚; 侯祥春; 宋海杰
Original assignee: Shandong Zhonglian Pump Industry Co ltd
Current assignee: Shandong Zhonglian Pump Industry Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-07-20
Anticipated expiration: 2030-11-06

Abstract

The utility model discloses a coal mine is with wear-resisting multistage centrifugal pump's monitoring device, including mounting panel and distance sensor instrument, the top fixed mounting of mounting panel has the bracing piece, the top fixed mounting of bracing piece has solid fixed ring. A coal mine is with monitoring device of wear-resisting multistage centrifugal pump, multistage centrifugal pump appears when rocking by a relatively large margin because of the vibration, interval between multistage centrifugal pump and the distance sensor main part is in the change state all the time, interval signal transmission to the distance sensor instrument that the distance sensor main part response obtained, concrete interval numerical value shows on the display screen of distance sensor instrument front side installation, interval between multistage centrifugal pump and the distance sensor main part is less, it is big more then to represent multistage centrifugal pump rocking amplitude, represent multistage centrifugal pump running state with this, when this type of bad running state appears, timely control multistage centrifugal pump stall, can reduce the impaired degree of multistage pump room inner assembly.

Description

Monitoring device of wear-resistant multistage centrifugal pump for coal mine

Technical Field

The utility model relates to a multistage centrifugal pump field, in particular to wear-resisting multistage centrifugal pump's monitoring device for coal mine.

Background

The multistage centrifugal pump has the characteristics of high efficiency, wide performance range, safe and stable operation, low noise, long service life, convenience in installation and maintenance and the like. For transporting fresh water or other liquids having similar physicochemical properties to water. The method is widely applied to various fields of water supply and drainage of urban high-rise buildings, fire fighting, factories, mines and the like. The main shaft, the bearing and other components in the pump chamber of the multistage centrifugal pump fail to find and control the stopped operation of the multistage centrifugal pump in time, the multistage centrifugal pump is still in a running state, severe vibration can be generated, and the damage degree of the components is aggravated.

Disclosure of Invention

The utility model discloses a main aim at provides a coal mine is with wear-resisting multistage centrifugal pump's monitoring device can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a coal mine is with wear-resisting multistage centrifugal pump's monitoring device, includes mounting panel and distance sensor instrument, the top fixed mounting of mounting panel has the bracing piece, the top fixed mounting of bracing piece has solid fixed ring, gu fixed ring's inside detachable installs the distance sensor main part, the distance sensor main part is connected with the distance sensor instrument, the front side of distance sensor instrument is provided with the display screen, the mounting hole has been seted up on the mounting panel, the top of mounting panel splices through the powerful glue and is fixed with the lock washer, the mounting hole is two sets of with the quantity of lock washer, and two sets of lock washers respectively with two sets of coaxial counterpoints of mounting hole.

Preferably, fixed ring comprises first semicircle ring and second semicircle ring, first semicircle ring both ends all are provided with first protruding piece, the both ends of second semicircle ring all are provided with the protruding piece of second, and pass through detachable the being connected of bolt between two sets of first protruding pieces and two sets of protruding pieces of second.

Preferably, the front side fixed mounting of mounting panel has the socket, fixedly connected with connecting wire in the distance sensor main part, set up the through wires hole on the first semicircle ring, the wiring groove has been seted up to the inside of bracing piece, and the connecting pin passes behind through wires hole and the wiring groove with socket fixed connection.

Preferably, fixedly connected with data transmission line on the distance sensor instrument, data transmission line's one end fixed mounting has the plug, plug cartridge to socket in, the front side of display screen is fixed with the PE protection film through the optical cement is glued, and is provided with the self-cleaning coating of nanometer on the PE protection film.

Preferably, the inboard of first semicircle ring is provided with first rubber inside lining, the inboard of second semicircle ring is provided with second rubber inside lining, it is fixed to splice through powerful glue between first semicircle ring and the first rubber inside lining, it is fixed to splice through powerful glue between second semicircle ring and the second rubber inside lining.

Preferably, the rear side of mounting panel is provided with corrugated metal pipe, corrugated metal pipe's front end fixed mounting has first ring flange, through the detachable connection of screw between first ring flange and the mounting panel, corrugated metal pipe's rear end fixed mounting has the second ring flange.

Compared with the prior art, the utility model discloses following beneficial effect has: the monitoring device of the wear-resisting multistage centrifugal pump for the coal mine is characterized in that the distance sensor main body monitors the multistage centrifugal pump in real time through the arranged distance sensor main body and the distance sensor instrument, when the multistage centrifugal pump shakes to a large extent due to vibration, the distance between the multistage centrifugal pump and the distance sensor main body is always in a change state, a distance signal obtained by sensing of the distance sensor main body is transmitted to the distance sensor instrument, a specific distance value is displayed on a display screen arranged on the front side of the distance sensor instrument, the smaller the distance between the multistage centrifugal pump and the distance sensor main body is, the larger the shaking amplitude of the multistage centrifugal pump is represented, the higher the vibration strength is represented, the operation state of the multistage centrifugal pump is represented, when the bad operation state occurs, the multistage centrifugal pump is controlled to stop operation in time, and the damage degree of components in a pump chamber of the multistage centrifugal pump can be reduced, do benefit to people and use, whole coal mine is with wear-resisting multistage centrifugal pump's monitoring device simple structure, convenient operation, the effect of use is better for traditional mode.

Drawings

Fig. 1 is a front view of the monitoring device of the wear-resistant multistage centrifugal pump for coal mine.

Fig. 2 is the utility model relates to a coal mine is with wear-resisting multistage centrifugal pump's monitoring device's top view.

Fig. 3 is an enlarged view of a in fig. 1 of the monitoring device of the wear-resistant multistage centrifugal pump for coal mine of the present invention.

Fig. 4 is the utility model relates to a coal mine is with solid fixed ring's among wear-resisting multistage centrifugal pump's the monitoring device schematic structure diagram.

In the figure: 1. mounting a plate; 2. a support bar; 3. a fixing ring; 4. a distance sensor body; 5. a stop washer; 6. a data transmission line; 7. a distance sensor meter; 8. mounting holes; 9. a first flange plate; 10. a metal bellows; 11. a second flange plate; 12. a socket; 13. a plug; 14. a first semicircular ring; 15. a second semi-circular ring; 16. a first rubber liner; 17. a second rubber liner; 18. a display screen.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a monitoring device of a wear-resistant multistage centrifugal pump for coal mines comprises a mounting plate 1 and a distance sensor instrument 7, a supporting rod 2 is fixedly mounted at the top of the mounting plate 1, a fixing ring 3 is fixedly mounted at the top end of the supporting rod 2, a distance sensor main body 4 is detachably mounted in the fixing ring 3, the distance sensor main body 4 is connected with the distance sensor instrument 7, a display screen 18 is arranged on the front side of the distance sensor instrument 7, the distance sensor main body 4 monitors the multistage centrifugal pump in real time, when the multistage centrifugal pump shakes to a large extent due to vibration, the distance between the multistage centrifugal pump and the distance sensor main body 4 is always in a changing state, a distance signal obtained by sensing of the distance sensor main body 4 is transmitted to the distance sensor instrument 7, and a specific distance value is displayed on the display screen 18 mounted on the front side of the distance sensor instrument 7, the interval between multistage centrifugal pump and the distance sensor main part 4 is less, then it is big more to represent multistage centrifugal pump amplitude of rocking, the vibration intensity is high, represent multistage centrifugal pump running state with this, when this kind of bad running state appears, timely control multistage centrifugal pump stall, can reduce the damaged degree of multistage centrifugal pump chamber internal component, mounting hole 8 has been seted up on the mounting panel 1, the top of mounting panel 1 is glued through powerful glue and is fixed with lock washer 5, mounting hole 8 is two sets of with lock washer 5's quantity, two sets of lock washers 5 respectively with two sets of 8 coaxial counterpoints of mounting hole, when mounting panel 1 is fixed, use fasteners such as bolt to pass mounting hole 8, then fix with the mounting plane, lock washer 5's design, can prevent effectively that fasteners such as bolt are not hard up.

Further, fixed ring 3 comprises first semicircle ring 14 and second semicircle ring 15, and first semicircle ring 14 both ends all are provided with first protruding piece, and the both ends of second semicircle ring 15 all are provided with the protruding piece of second, through the detachable connection of bolt between two sets of first protruding pieces and two sets of protruding pieces of second, and first semicircle ring 14 is accomplished the equipment back with second semicircle ring 15, cramps distance sensor main part 4.

Further, the front side fixed mounting of mounting panel 1 has socket 12, fixedly connected with connecting wire on the distance sensor main part 4, sets up the through wires hole on the first semicircle ring 14, and the wiring groove has been seted up to the inside of bracing piece 2, and the connecting pin passes behind through wires hole and the wiring groove and socket 12 fixed connection.

Further, fixedly connected with data transmission line 6 on the distance sensor instrument 7, data transmission line 6's one end fixed mounting has plug 13, and plug 13 cartridge forms complete data transmission passageway to socket 12 in, and the front side of display screen 18 is glued through the optical cement and is fixed with the PE protection film, and the design of PE protection film can provide the protection for display screen 18, is provided with the self-cleaning coating of nanometer on the PE protection film, has self-cleaning characteristic, the clearance of being convenient for.

Further, the inboard of first semicircle ring 14 is provided with first rubber inside lining 16, the inboard of second semicircle ring 15 is provided with second rubber inside lining 17, it is fixed to splice through powerful glue between first semicircle ring 14 and the first rubber inside lining 16, it is fixed to splice through powerful glue between second semicircle ring 15 and the second rubber inside lining 17, first rubber inside lining 16 all has certain pliability with second rubber inside lining 17, when preventing that first semicircle ring 14 from cramping apart from sensor main part 4 with second semicircle ring 15, cause the injury to apart from sensor main part 4.

Further, the rear side of mounting panel 1 is provided with corrugated metal pipe 10, corrugated metal pipe 10's front end fixed mounting has first ring flange 9, be connected through the screw is detachable between first ring flange 9 and the mounting panel 1, corrugated metal pipe 10's rear end fixed mounting has second ring flange 11, fasteners such as bolt assemble second ring flange 11 and multistage centrifugal pump, corrugated metal pipe 10 is connected between multistage centrifugal pump and mounting panel 1, corrugated metal pipe 10 can be crooked wantonly, can weaken the vibration of multistage centrifugal pump transmission to mounting panel 1, the vibration that multistage centrifugal pump produced can not lead to the fact the influence to mounting panel 1, both establish the relation of connection, it is comparatively convenient during the transportation.

It should be noted that, the utility model relates to a monitoring device of a coal mine wear-resistant multistage centrifugal pump, the middle part subassembly of the monitoring device of the coal mine wear-resistant multistage centrifugal pump can be assembled with the multistage centrifugal pump, so that the connection relationship between the two is established, the transportation is convenient, the second flange plate 11 is assembled with the multistage centrifugal pump by using fasteners such as bolts, a metal corrugated pipe 10 is connected between the multistage centrifugal pump and a mounting plate 1, the metal corrugated pipe 10 can be bent freely, the vibration transmitted to the mounting plate 1 by the multistage centrifugal pump can be weakened, the vibration generated by the multistage centrifugal pump can not affect the mounting plate 1, during the assembly, a distance sensor instrument 7 is installed to a control room, the mounting plate 1 is installed to the front side or the rear side of the multistage centrifugal pump, a plug 13 at one end of a data transmission line 6 is inserted into a socket 12, the installation of the subassembly and the connection of the line are completed, during the use, distance sensor main part 4 carries out real-time supervision to multistage centrifugal pump, multistage centrifugal pump appears when rocking by a relatively large margin because of the vibration, interval between multistage centrifugal pump and the distance sensor main part 4 is in the change condition all the time, interval signal transmission to distance sensor instrument 7 that distance sensor main part 4 response obtained, concrete interval numerical value shows on the display screen 18 of distance sensor instrument 7 front side installation, interval between multistage centrifugal pump and the distance sensor main part 4 is less, it is bigger to represent multistage centrifugal pump rocking amplitude, vibration intensity is high, with this represent multistage centrifugal pump running state, when this type of bad running state appears, in time control multistage centrifugal pump stall, can reduce multistage centrifugal pump chamber inner assembly damaged degree, and is relatively practical.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a monitoring device of wear-resisting multistage centrifugal pump for coal mine, includes mounting panel (1) and distance sensor instrument (7), its characterized in that: the top fixed mounting of mounting panel (1) has bracing piece (2), the top fixed mounting of bracing piece (2) has solid fixed ring (3), gu the inside detachable of fixed ring (3) installs distance sensor main part (4), distance sensor main part (4) are connected with distance sensor instrument (7), the front side of distance sensor instrument (7) is provided with display screen (18), mounting hole (8) have been seted up on mounting panel (1), the top of mounting panel (1) is glued through the powerful and is fixed with lock washer (5), mounting hole (8) are two sets of with the quantity of lock washer (5), and two sets of lock washer (5) respectively with two sets of mounting hole (8) coaxial counterpoint.

2. The monitoring device of the coal mine wear-resistant multistage centrifugal pump as claimed in claim 1, wherein: the fixing ring (3) is composed of a first semicircular ring (14) and a second semicircular ring (15), both ends of the first semicircular ring (14) are provided with first protruding blocks, both ends of the second semicircular ring (15) are provided with second protruding blocks, and the two sets of first protruding blocks are detachably connected with the two sets of second protruding blocks through bolts.

3. The monitoring device of the coal mine wear-resistant multistage centrifugal pump as claimed in claim 2, wherein: the front side fixed mounting of mounting panel (1) has socket (12), fixedly connected with connecting wire on distance sensor main part (4), set up the through wires hole on first semicircle ring (14), the wiring groove has been seted up to the inside of bracing piece (2), and the connecting pin pass behind through wires hole and the wiring groove with socket (12) fixed connection.

4. The monitoring device of the coal mine wear-resistant multistage centrifugal pump as claimed in claim 3, wherein: fixedly connected with data transmission line (6) on distance sensor instrument (7), the one end fixed mounting of data transmission line (6) has plug (13), plug (13) cartridge is to socket (12) in, the front side of display screen (18) is fixed with the PE protection film through the optical cement is spliced, and is provided with the self-cleaning coating of nanometer on the PE protection film.

5. The monitoring device of the coal mine wear-resistant multistage centrifugal pump as claimed in claim 2, wherein: the inboard of first semicircle ring (14) is provided with first rubber inside lining (16), the inboard of second semicircle ring (15) is provided with second rubber inside lining (17), it is fixed to splice through powerful glue between first semicircle ring (14) and first rubber inside lining (16), it is fixed to splice through powerful glue between second semicircle ring (15) and second rubber inside lining (17).

6. The monitoring device of the coal mine wear-resistant multistage centrifugal pump as claimed in claim 1, wherein: the rear side of mounting panel (1) is provided with corrugated metal pipe (10), the front end fixed mounting of corrugated metal pipe (10) has first ring flange (9), through the detachable connection of screw between first ring flange (9) and mounting panel (1), the rear end fixed mounting of corrugated metal pipe (10) has second ring flange (11).