CN111707109A

CN111707109A - Online inspection device for trolley rollers of sintering machine and using method

Info

Publication number: CN111707109A
Application number: CN202010737585.0A
Authority: CN
Inventors: 王玉元; 王金刚; 王洪涛; 曲文超; 宫文垒
Original assignee: Shandong Iron and Steel Co Ltd
Current assignee: Shandong Iron and Steel Co Ltd
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2020-09-25

Abstract

The invention relates to a sintering machine trolley roller online inspection device and a use method thereof, the device comprises two detection rails butted with the rails, the upper end surfaces of the detection rails are provided with grooves, the device also comprises a fixed detection switch, the detection end of the detection switch extends into the groove, the device also comprises a camera electrically connected with the detection switch, each sintering machine trolley is provided with different numbers, and the numbers are positioned in the shooting range of the camera.

Description

Online inspection device for trolley rollers of sintering machine and using method

Technical Field

The invention relates to the technical field of sintering equipment, in particular to the field of sintering pallet, and specifically relates to an online inspection device for a sintering pallet roller and a use method thereof.

Background

The sinter is the main source of artificial rich ore used in iron-making process, the belt type air draft sintering machine used for manufacturing the sinter has high production rate, strong raw material adaptability, high mechanization degree, good labor condition and convenient large-scale and automatic production, and 90% of the sinter in the world is produced by the method. The trolley is an important component of the belt sintering machine, the trolley directly bears charging, ignition, air draft and sintering until the tail of the machine unloads, the sintering operation is completed, and fault analysis of the trolley obtains that most trolleys are replaced due to damage of roller bearings, so that the condition that rollers of the trolley are intact is the key point of daily maintenance of the sintering machine.

The sintering machine trolley consists of five parts, namely a frame 6, a baffle plate 7, rollers 5, a grate bar 8 and an upper movable sliding plate 9. The first drawing is a cross-sectional front view of the trolley, which is symmetrical left and right, two rollers are respectively arranged at two sides, each trolley has four rollers, a roller bearing is arranged in each roller, the inner ring of the bearing is sleeved on a roller shaft 13, and the rollers 5 roll on the rails 10 at two sides. The two sides of the trolley are provided with the baffle plates, and the frame is paved with grate bars. The head wheel of the sintering machine is a fixed end, the tail wheel is a movable end, and the tail wheel plays a role in compressing the trolleys, so that no gap exists between the adjacent trolleys and the trolleys are close to each other.

Because the trolley is in a high-temperature environment, the lubrication of the roller is an important link for maintenance, and is not only important, but also large in workload. In the actual working process, the roller bearing is inevitably damaged due to improper lubrication and finally falls off, and the falling off position often appears at the bent rail positions of a sintering machine head and a tail wheel, and the two positions have narrow space and are difficult to process faults and are in a high-temperature and dust environment, so the invention discloses the automatic inspection device for the roller of the sintering machine, which is very necessary.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the online inspection device for the trolley roller of the sintering machine, which has the advantages of simple structure, safety, reliability and low cost, and a using method thereof.

The invention is realized by the following technical scheme, and provides an online checking device for trolley rollers of a sintering machine, which comprises two detection rails butted with the rails, wherein the upper end surfaces of the detection rails are provided with grooves, the online checking device also comprises a fixed detection switch, the detection end of the detection switch extends into the grooves, the online checking device also comprises a camera electrically connected with the detection switch, each trolley of the sintering machine is provided with different numbers, and the numbers are positioned in the shooting range of the camera.

According to the scheme, the serial numbers on the sintering trolleys can be shot through the camera, the rollers of the sintering trolleys sequentially pass through the grooves on the detection track, and the rollers are close to each other under the pressing force of the tail wheels of the sintering machine when passing through the grooves, and are suspended to pass through the grooves if the bearings of the rollers are in a normal state; if the bearing of gyro wheel damages, has had the clearance between gyro wheel and the roller shaft, the gyro wheel can fall to in the recess and trigger detection switch, and detection switch produces the signal of telecommunication, triggers the camera and shoots the serial number of sintering machine platform truck, and the camera transmits the serial number to display device, and the post personnel detect the maintenance to corresponding sintering machine platform truck according to the serial number of camera transmission.

Preferably, the distance S between the grooves of the two detection tracks along the advancing direction of the sintering machine trolley is larger than the length of one sintering machine trolley. In the scheme, the distance S between the grooves of the two detection tracks along the advancing direction of the sintering machine trolley is greater than the length of one sintering machine trolley, so that the same sintering trolley sequentially passes through the two grooves.

Preferably, the detection switch is a limit switch. In this scheme, the detection switch is a limit switch, and the limit switch has the characteristics of stable operation and sensitive induction, and is suitable for the application of the technical scheme.

Preferably, the serial number of the sintering trolley is arranged on the side surface of the sintering trolley. The serial number is arranged on the side face of the sintering pallet, so that the camera can be placed on the side face of the sintering pallet, the area of the side face of the sintering pallet is large, larger serial numbers can be contained, and the camera can be conveniently and clearly shot.

As an optimization, the device further comprises a display device electrically connected with the camera. The display device in the scheme is used for displaying the pictures shot by the camera, so that the detection personnel can observe the pictures conveniently.

Preferably, the length of the groove is larger than the diameter of the roller. The length of recess is greater than the diameter of gyro wheel in this scheme, can make the gyro wheel have longer distance of sinking, and the gyro wheel of being convenient for sinks.

Preferably, the bottom surface of the groove and the upper end surface of the detection track are in arc transition, and the radius of the arc is larger than that of the roller. The radius of circular arc is greater than the radius of gyro wheel in this scheme, makes the gyro wheel can follow the arc surface and walk to the bottom surface of recess, makes the gyro wheel sink the action steady, avoids the gyro wheel to directly drop to the bottom surface of recess from the up end that detects the rail.

Preferably, the detection switch is fixed on a web plate of the detection track, and a detection hole for allowing the detection switch to pass through is formed in the bottom of the groove. Through the detection hole, the detection end of the detection switch can be extended into the groove.

The use method of the online roller inspection device for the sintering machine trolley is characterized by comprising the following steps of:

a. respectively butting two detection tracks on the two tracks;

b. the sintering trolley moves from the track to the detection track, and rollers of the sintering trolley pass through the grooves in the detection track in sequence;

c. because the sintering machine trolleys are close to each other under the pressing force of the tail wheels of the sintering machine, when the roller passes through the groove, if the bearing of the roller is in a normal state, the roller is suspended and passes through the groove;

d. when the gyro wheel passes through the recess, if the bearing of gyro wheel damages, has had the clearance between gyro wheel and the roller shaft, the gyro wheel can fall in the recess and trigger detection switch, and detection switch produces the signal of telecommunication, triggers the camera and shoots the serial number of sintering machine platform truck, and the camera transmits the serial number to display device, and the post personnel detect the maintenance to corresponding sintering machine platform truck according to the serial number of camera transmission.

The invention has the beneficial effects that: according to the online inspection device and the use method for the trolley roller of the sintering machine, the roller with the damaged bearing can be accurately inspected by arranging the groove and the detection switch, and post personnel select the trolley to replace the trolley before the roller falls off, so that the online inspection device and the use method have remarkable significance for restraining situation deterioration and improving the operation rate of the sintering machine.

Drawings

FIG. 1 is a schematic front view of a sintering pallet according to the present invention;

FIG. 2 is a side view of a detection track according to the present invention;

FIG. 3 is a schematic view of a detection track structure according to the present invention;

FIG. 4 is a schematic structural view of the present invention;

FIG. 5 is a schematic diagram of the distance between the grooves on the detection track according to the present invention;

shown in the figure:

1. the device comprises a detection track, 2, a detection switch, 3, a camera, 4, a display device, 5, rollers, 6, a frame, 7, a baffle, 8, a grate bar, 9, an upper movable sliding plate, 10, a track, 11, grooves, 12, outer edges of webs, 13 and roller shafts.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

As shown in figure 1, the sintering pallet consists of five parts, namely a frame 6, a baffle 7, rollers 5, a grate bar 8 and an upper movable sliding plate 9. Fig. 1 is a cross-sectional front view of the trolley, which is symmetrical left and right, two rollers 5 are respectively arranged on two sides, each trolley has four rollers, a roller bearing is arranged in each roller, the inner ring of the bearing is sleeved on a roller shaft 13, and the rollers 5 roll on rails 10 on two sides.

As shown in fig. 1 to 5, the online inspection device for trolley rollers of a sintering machine according to the present invention includes two detection rails 1 butted with a rail 10, wherein a groove 11 is provided on an upper end surface of the detection rail 1, the two detection rails 1 are butted with the rail 10, a part of the original rail 10 can be replaced by the detection rail 1, and the groove 11 provided on the original rail 10 can be modified into the detection rail 1.

The groove 11 is formed in the upper end face of the detection track 1 and penetrates through the whole width of the detection track 1, so that the roller 5 can fall into the groove 11 when passing through. The bottom surface of the groove 11 and the upper end surface of the detection track 1 are in circular arc transition, and the radius R of the circular arc is larger than that of the roller 5. And the length L of the groove 11 is greater than the diameter of the roller 5. The height H of the groove 11 in this embodiment is greater than 6mm and less than 30 mm.

The distance S between the grooves 11 of the two detection tracks 1 in the advancing direction of the sintering machine trolley is greater than the length of one sintering machine trolley, so that the same sintering trolley sequentially passes through the two grooves, and the condition that the same sintering trolley simultaneously passes through the two grooves is avoided.

Still including fixed detection switch 2, detection switch 2 fixes on the web that detects track 1, processes a detection switch mounting plane on the web outward flange 12 that detects track 1 to process a groove that runs through recess 11 bottom above detection switch mounting plane, this groove is as holding the inspection hole that detection switch 2 passed, makes detection switch's sense terminal can stretch into to the recess inside.

The detection switch 2 is a limit switch, the limit switch in the embodiment adopts a top roller plunger type, the top roller extends into the groove 11, and a threaded hole is formed in a detection switch mounting plane and used for mounting the detection switch.

Still include with detection switch electric connection's camera 3, camera 3 is the industry camera, and industry camera job stabilization and fault rate are low, all is equipped with different serial numbers on every sintering machine platform truck, and the serial number setting of sintering machine platform truck should be as big as possible in the side of sintering machine platform truck and size, and camera 3 passes through the support to be fixed subaerial in sintering machine platform truck side, the serial number is located camera 3's the shooting within range.

The device also comprises a display device 4 electrically connected with the camera 3 and used for displaying the pictures taken by the camera 3.

A use method of a trolley roller online inspection device of a sintering machine comprises the following steps:

the two detection tracks 1 are respectively butted on the two tracks 10, a part of the original tracks 10 can be replaced by the detection tracks 1, and the original tracks 10 can be modified into the detection tracks 1 by arranging the grooves 11 on the original tracks 10.

The sintering pallet travels from the rail 10 onto the detection rail 1, and the rollers 5 of the sintering pallet pass through the grooves 11 on the detection rail 1 in sequence.

Because the sintering machine trolleys are close to each other under the pressing force of the tail wheels of the sintering machine, when the roller 5 passes through the groove 11, if the bearing of the roller 5 is in a normal state, the roller 5 is suspended to pass through the groove 11.

When the roller 5 passes through the groove 11, if the bearing of the roller 5 is damaged, a gap is reserved between the roller 5 and the roller shaft 13, the roller 5 can fall into the groove 11 and trigger the detection switch 2, the detection switch 2 generates an electric signal to trigger the camera 3 to take a picture of the serial number of the sintering pallet, the camera 3 transmits the serial number to the display device 4, and the post personnel find the corresponding sintering pallet according to the serial number transmitted by the camera 3 and perform detection and maintenance.

Of course, the above description is not limited to the above examples, and the undescribed technical features of the present invention can be implemented by or using the prior art, and will not be described herein again; the above embodiments and drawings are only for illustrating the technical solutions of the present invention and not for limiting the present invention, and the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that changes, modifications, additions or substitutions within the spirit and scope of the present invention may be made by those skilled in the art without departing from the spirit of the present invention, and shall also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a sintering machine platform truck gyro wheel on-line inspection device which characterized in that: include two detection track (1) with track (10) butt joint, the up end that detects track (1) is equipped with recess (11), still includes fixed detection switch (2), and the sense terminal that detects switch (2) stretches into in recess (11), still include with detection switch electric connection's camera (3), all is equipped with different serial numbers on every sintering machine platform truck, the serial number is located the shooting scope of camera (3).

2. The online inspection device for trolley rollers of sintering machines according to claim 1, characterized in that: the distance S between the grooves (11) of the two detection tracks (1) along the advancing direction of the sintering machine trolley is larger than the length of one sintering machine trolley.

3. The online inspection device for trolley rollers of sintering machines according to claim 1, characterized in that: the detection switch (2) is a limit switch.

4. The online inspection device for trolley rollers of sintering machines according to claim 1, characterized in that: the serial number of the sintering machine trolley is arranged on the side surface of the sintering machine trolley.

5. The online inspection device for trolley rollers of sintering machines according to claim 1, characterized in that: and the display device (4) is electrically connected with the camera (3).

6. The online inspection device for trolley rollers of sintering machines according to claim 1, characterized in that: the length of the groove (11) is larger than the diameter of the roller (5).

7. The online inspection device for trolley rollers of sintering machines according to claim 1, characterized in that: the bottom surface of the groove (11) and the upper end surface of the detection track (1) are in circular arc transition, and the radius of the circular arc is larger than that of the roller (5).

8. The online inspection device for trolley rollers of sintering machines according to claim 1, characterized in that: the detection switch (2) is fixed on a web plate of the detection track (1), and a detection hole for allowing the detection switch (2) to pass through is formed in the bottom of the groove (11).

9. The use method of the online roller inspection device for the sintering machine trolley is characterized by comprising the following steps of:

a. two detection tracks (1) are respectively butted on two tracks (10);

b. the sintering trolley moves from the track (10) to the detection track (1), and the rollers (5) of the sintering trolley pass through the grooves (11) on the detection track (1) in sequence;

c. because the sintering machine trolleys are close to each other under the pressing force of the tail wheels of the sintering machine, when the roller (5) passes through the groove (11), if the bearing of the roller (5) is in a normal state, the roller (5) is suspended in the air and passes through the groove (11);

d. when gyro wheel (5) pass through recess (11), if the bearing of gyro wheel (5) damages, there has been the clearance between gyro wheel (5) and roller shaft (13), gyro wheel (5) can fall to in recess (11) and trigger detection switch (2), detection switch (2) produce the signal of telecommunication, trigger camera (3) and shoot the serial number of sintering machine platform truck, camera (3) transmit display device (4) with the serial number, the post personnel detect the maintenance to corresponding sintering machine platform truck according to the serial number of camera (3) transmission.