CN113734700A

CN113734700A - Coal feeder belt anti-deviation device

Info

Publication number: CN113734700A
Application number: CN202110848369.8A
Authority: CN
Inventors: 张庆智; 杨永刚; 刘立君; 沈峻玉
Original assignee: DATANG HUNCHUN POWER PLANT
Current assignee: DATANG HUNCHUN POWER PLANT
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2021-12-03

Abstract

The invention discloses a belt deviation prevention device for a coal feeder, which relates to the field of coal feeder systems in power plants, and adopts the technical scheme that the belt deviation prevention device comprises a base, wherein a guide mechanism is arranged outside the base, the guide mechanism comprises a bearing arranged outside the base, a bearing frame is movably arranged outside the bearing, and a fixed shaft a is arranged outside the bearing; the outside of bearing still is provided with fastening device, fastening device is including setting up the outside roof at fixed axle an, the outside of roof can be dismantled and be connected with the clamp plate, the clamp plate offsets tightly with fixed axle an's outside, when using, because the bearing is fixed for the base, make the belt can contact with the outside of bearing bracket at the in-process of motion, the bearing bracket can begin to rotate along with the motion of belt this moment, thereby can realize the direction to the direction of motion of belt, effectively prevent the belt off tracking phenomenon, avoid leading to the emergence of defect because of the belt off tracking, the safe operation of improvement feeder.

Description

Coal feeder belt anti-deviation device

Technical Field

The invention relates to the technical field of coal feeder systems in power plants, in particular to a coal feeder belt deviation prevention device.

Background

The coal feeder is a mechanical device capable of accurately adjusting the coal feeding amount of the coal mill according to the load requirement, the coal feeder is arranged between a raw coal hopper and the coal mill, and the coal feeding amount is directly adapted to the load of a boiler in a direct-fired pulverizing system. The coal feeders are various in types, and have a volume type and a gravity type according to the structural characteristics and the working principle;

in the process of long-time running of a belt of a coal feeder, due to the lack of a guide device, the belt is not stretched uniformly, the belt is prone to deviation, if the belt of the coal feeder deviates seriously, belt teeth are clamped into a crescent-shaped hole of a coal dropping pipe, the belt is slipped or damaged, the coal feeder needs to be stopped for processing, the load of a unit and various economic indexes are affected, and therefore the deviation preventing device for the belt of the coal feeder is needed.

Disclosure of Invention

The invention aims to solve the problem that a belt of a coal feeder is easy to deviate after long-time running in the prior art, and provides a belt deviation preventing device of the coal feeder.

In order to achieve the purpose, the invention adopts the following technical scheme:

a coal feeder belt deviation preventing device comprises a base, wherein a guide mechanism is arranged outside the base and comprises a bearing arranged outside the base, a bearing frame is movably arranged outside the bearing, and a fixed shaft a is arranged outside the bearing;

the bearing is characterized in that a fastening mechanism is further arranged outside the bearing and comprises a top plate arranged outside the fixed shaft a, a pressing plate is detachably connected to the outside of the top plate, and the pressing plate is tightly abutted to the outside of the fixed shaft a.

The above technical solution further comprises:

fixed axle b has been seted up to the outside of base, the bearing is kept away from the one end of fixed axle a installs the constant head tank, the constant head tank with the inside counterbalance of fixed axle b.

The outer portion of the top plate is provided with a limiting groove, the fixed shaft a is tightly abutted to the inner portion of the limiting groove, the outer portion of the pressing plate is symmetrically provided with connecting grooves, and the outer portion of the top plate is provided with two clamping grooves communicated with the connecting grooves.

The top plate is far away from the nuts are symmetrically installed on one side of the pressing plate, fastening bolts are connected to the inner threads of the nuts and penetrate through the connecting grooves and the clamping grooves in sequence.

The anti-skidding type anti-skidding support plate is characterized in that an anti-skidding gasket is arranged between the pressing plate and the top plate, a trapezoidal plate is mounted outside the top plate, and one side, far away from the top plate, of the trapezoidal plate is connected with the outside of the base.

The externally mounted of trapezoidal plate has the riser, the riser still with the outside of base is connected, the outside symmetry of base has seted up and has locked the groove, the inside that locks the groove is provided with construction bolt.

Compared with the prior art, the invention has the beneficial effects that:

when the coal feeder is used, the bearing is fixed relative to the base, so that the belt can be in contact with the outside of the bearing frame in the moving process, and the bearing frame starts to rotate along with the movement of the belt, so that the moving direction of the belt can be guided, the belt deviation phenomenon can be effectively prevented, the defects caused by the belt deviation can be avoided, and the safe operation of the coal feeder is improved.

According to the invention, the bearing and the bearing frame can be quickly fixed through the top plate and the pressing plate, so that the bearing and the bearing frame are convenient to disassemble and assemble, parts are convenient to replace during daily maintenance, and labor and time are saved.

Drawings

FIG. 1 is a schematic diagram of an internal structure of a belt deviation preventing device of a coal feeder, which is provided by the invention;

FIG. 2 is a first perspective view of the present invention;

FIG. 3 is a second perspective view of the present invention;

fig. 4 is an enlarged schematic view of a structure in fig. 1.

In the figure: 1. a base; 2. a bearing; 3. a bearing bracket; 4. a top plate; 5. a fixed shaft a; 6. pressing a plate; 7. fastening a bolt; 8. a vertical plate; 9. installing a bolt; 10. positioning a groove; 11. a fixed shaft b; 12. a trapezoidal plate; 13. a limiting groove; 14. a locking groove; 15. connecting grooves; 16. a card slot; 17. and (4) a nut.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in fig. 1-4, the electric bicycle motor detection device for the coal feeder belt deviation preventing device provided by the invention comprises a base 1, wherein a guide mechanism is arranged outside the base 1, the guide mechanism comprises a bearing 2 arranged outside the base 1, a bearing frame 3 is movably arranged outside the bearing 2, the bearing frame 3 can rotate around the outside of the bearing 2, and a fixed shaft a5 is arranged outside the bearing 2;

a fastening mechanism is further arranged outside the bearing 2, the fastening mechanism comprises a top plate 4 arranged outside the fixed shaft a5, a pressing plate 6 is detachably connected outside the top plate 4, the pressing plate 6 is abutted against the outside of the fixed shaft a5, the fixed shaft b11 is arranged outside the base 1, a positioning groove 10 is arranged at one end, away from the fixed shaft a5, of the bearing 2, and the positioning groove 10 is abutted against the inside of the fixed shaft b 11;

spacing groove 13 has been seted up to the outside of roof 4, and fixed axle a5 offsets tightly with the inside of spacing groove 13, and spread groove 15 has been seted up to the outside symmetry of clamp plate 6, and two draw-in grooves 16 that are linked together with spread groove 15 have been seted up to the outside of roof 4, and the nut 17 is installed to the one side symmetry of keeping away from clamp plate 6 of roof 4, and the inside threaded connection of nut 17 has fastening bolt 7, and fastening bolt 7 runs through spread groove 15 and draw-in groove 16 in proper order.

The working principle of the coal feeder belt deviation preventing device based on the first embodiment is that when the device is used, the positioning groove 10 is aligned to the fixed shaft b11, so that the bearing 2 is placed outside the base 1, then the limit groove 13 arranged on the top plate 4 is abutted against the fixed shaft a5, at the same time, the pressing plate 6 is moved until the connecting groove 15 is communicated with the clamping groove 16, at the same time, the pressing plate 6 is abutted against the outer part of the fixed shaft a5, then the fastening bolt 7 is inserted into the clamping groove 16 through the connecting groove 15, at this time, the connecting groove 15 will contact with the outside of the nut 17, and then the fastening bolt 7 is rotated, so that the fastening bolt 7 can be pressed against the outside of the pressing plate 6, thereby fixing the pressing plate 6, before the installation operation, the bearing 2 needs to be cleaned, lubricating oil is smeared on the bearing 2, meanwhile, the belt clearance is adjusted, the coal feeder is calibrated and trial-run, and the installation correctness is ensured;

the in-process of work is carried out at the feeder, and the belt can contact with the outside of bearing frame 3, and the belt can make bearing frame 3 begin to rotate at the in-process of motion this moment, because the position of bearing frame 3 keeps fixed, bearing frame 3 can have the guide effect to the belt at the pivoted in-process to can realize the direction to the direction of motion of belt, effectively prevent the belt off tracking phenomenon, avoid leading to the emergence of defect because of the belt off tracking, improve the safe operation of feeder.

Example two

As shown in fig. 1, on the basis of the first embodiment, an anti-slip gasket is arranged between the pressing plate 6 and the top plate 4, a trapezoidal plate 12 is mounted outside the top plate 4, one side of the trapezoidal plate 12, which is far away from the top plate 4, is connected with the outside of the base 1, a fastening bolt 7 is mounted outside the trapezoidal plate 12, the vertical plate 8 is connected with the outside of the base 1, a locking groove 14 is symmetrically formed in the outside of the base 1, and a mounting bolt 9 is arranged inside the locking groove 14.

The design in this embodiment is that the anti-slip washer is pressed during the installation of the pressure plate 6, so that the fastening bolt 7 is prevented from loosening during a long guiding process, and the top plate 4 can be fixed through the trapezoidal plate 12. And can realize the reinforcement to clamp plate 6 through riser 8, and then increase the bulk strength of device, guarantee the stability of device, can realize the fixed to base 1 through construction bolt 9 simultaneously.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The coal feeder belt deviation preventing device comprises a base (1) and is characterized in that a guide mechanism is arranged outside the base (1), the guide mechanism comprises a bearing (2) arranged outside the base (1), a bearing frame (3) is movably arranged outside the bearing (2), and a fixed shaft a (5) is arranged outside the bearing (2);

the outer portion of the bearing (2) is further provided with a fastening mechanism, the fastening mechanism comprises a top plate (4) arranged on the outer portion of the fixed shaft a (5), a pressing plate (6) is detachably connected to the outer portion of the top plate (4), and the pressing plate (6) is abutted to the outer portion of the fixed shaft a (5).

2. The deviation preventing device for the belt of the coal feeder as claimed in claim 1, wherein a fixed shaft b (11) is provided at the outer part of the base (1), a positioning groove (10) is provided at one end of the bearing (2) far away from the fixed shaft a (5), and the positioning groove (10) abuts against the inner part of the fixed shaft b (11).

3. The deviation preventing device for the belt of the coal feeder as claimed in claim 1, wherein a limiting groove (13) is formed in the outer portion of the top plate (4), the fixed shaft a (5) abuts against the inner portion of the limiting groove (13), connecting grooves (15) are symmetrically formed in the outer portion of the pressing plate (6), and two clamping grooves (16) communicated with the connecting grooves (15) are formed in the outer portion of the top plate (4).

4. The deviation preventing device for the belt of the coal feeder as claimed in claim 3, wherein nuts (17) are symmetrically installed on one side of the top plate (4) far away from the pressure plate (6), fastening bolts (7) are connected to the inner threads of the nuts (17), and the fastening bolts (7) sequentially penetrate through the connecting groove (15) and the clamping groove (16).

5. The belt deviation preventing device for the coal feeder as claimed in claim 1, wherein an anti-slip gasket is arranged between the pressure plate (6) and the top plate (4), a trapezoidal plate (12) is mounted on the outer portion of the top plate (4), and one side, far away from the top plate (4), of the trapezoidal plate (12) is connected with the outer portion of the base (1).

6. The deviation preventing device for the belt of the coal feeder as claimed in claim 5, wherein a vertical plate (8) is mounted outside the trapezoidal plate (12), the vertical plate (8) is further connected with the outside of the base (1), locking grooves (14) are symmetrically formed in the outside of the base (1), and mounting bolts (9) are arranged inside the locking grooves (14).