CN104567345A - Up-to-standard end face run-out mounting method of large rolling ring of carbon black drying machine - Google Patents

Abstract

The end face run-out quality of a large rolling ring of a drum of a drying machine has important influence on a plurality of movable sealed parts of the drying machine and the service life of a large gear ring and a power gear; therefore, the standard of the end face run-out quality of the large rolling ring and the large gear ring is regulated on products of the drying machine. The problem which is hard to solve in the manufacturing process of the industry all the time is characterized in that how the large rolling ring can be accurately mounted on the large coiled cylinder; no proper method is used for mounting the large rolling ring in the prior art, so that the secondary reworking is carried out substantially. The invention discloses an up-to-standard end face run-out mounting method of a large rolling ring of a carbon black drying machine and aims to solve the problem. The method comprises the following important steps: step one, preparing a pin marking device being capable of marking lines for a rotating drum on the ground; step two, marking four parallel equal-distance line segments on the surface of the drum; step three, rotating the drum for marking the lines so as to mark intersection points on the four lines; step four, correcting the line-marking intersection points, and mounting the large rolling ring according to the corrected intersection points. When the method is used for mounting the large rolling ring and the large gear ring, the standard can be met once; the secondary reworking is avoided.

Description

Carbon black dryer large rolling ring end face run-out installation method up to standard

Technical field

The present invention relates to a kind of manufacture of carbon black production equipment, especially drying machine is installed.

Background technology

Carbon black dryer rotating cylinder being provided with two large rolling rings and a bull gear, is downward-sloping installation owing to designing upper rotating cylinder, so, there is a large rolling ring to be designed with enter the chocks and in case spline cylinder is to downslide.This have gear wheel in the presence of large rolling ring correctness is installed to obtain on rotating cylinder, decide the quality of whole rotating cylinder end face run-out quality; If end face run-out is comparatively large, there is adverse effect for the service life of many places movable sealing parts and bull gear and travelling gear on drying machine; Therefore, drying machine product defines large rolling ring and bull gear end face run-out quality standard.But how large rolling ring and bull gear can be installed correct on the large cylinder rolled, and this is a great problem of industry manufacturing process always.Up to the present, factory adopts " secondary orthosis " to address this problem always; So-called " secondary orthosis " is exactly first install to fix two large rolling rings and bull gear, pending dispatch from the factory before product test running time, survey the end face run-out of two large rolling rings and bull gear, the data according to surveying are corrected two large rolling rings and bull gear.Correct when installing and need the hundreds of solder joint on tens pieces of adjustment backing plates all to polish off, readjust cushion block, again weld, although pretty troublesome, this is caving-in bash, and almost platform platform all needs such rectification.

Summary of the invention

In order to avoid the trouble that large rolling ring and bull gear secondary are corrected, the present invention proposes a kind ofly just large rolling ring and bull gear to be installed correct method when first installation, avoids secondary to do over again.

The technical solution adopted for the present invention to solve the technical problems is: carbon black dryer large rolling ring end face run-out installation method up to standard, and its method step is:

1. prepare one on the ground to the scriber device (Fig. 2, piece number 6) of rotating cylinder line; 3 requirements are had: one is have a base sitting surely to this scriber device; There is the scriber bar of an energy flexible rotating, have carbide alloy scriber on the top of scriber bar; Two is precisions that the requirement of scriber bar rotating part is done, and scriber bar can only can not have and at all to vacillate now to the left, now to the right and left and right vibration by flexible rotating; Three is that scriber bar by various principle, can make it continual and be close to drum surface line; Especially can overcome possible rotating cylinder circularity bad, rotate larger circular runout as the same.

2. rotating cylinder is placed on two common turning rolls (Fig. 1).

3. on the predetermined installation site of bull gear and large rolling ring 2A, draw with scriber and ruler the line segment that four are parallel to rotating cylinder center line, these four lines are circumferentially distribution distance should be equal; Article four, the title of line is 0 ° successively, 90 °, 180 ° and 270 ° (Fig. 2).

4., the medium position of accurate for the scriber pole pair of scriber device above-mentioned four lines, allow scriber bar be adjacent to drum surface, prepare line (Fig. 2).

5. starter motor, allow turning rolls drive drum rotation, scriber marks a C-D line on cylinder; It is respectively at 0 ° of line, 90 ° of lines, 180 ° of lines, and 270 ° of lines surrender intersection point 1#, intersection point 2#, intersection point 3#, intersection point 4# and intersection point 5# (Fig. 3) mutually with on 360 ° of (0 °) lines.

6. on 0 ° of line, have two intersection points, i.e. intersection point 1# and intersection point 5#; Distance between two intersection points represents with symbol S.

7. on 0 ° of line, determine that large rolling ring 2A mono-specifies the correct mounting points of end face by layout design, name this point to be: mounting points 1#; Distance between mounting points 1# and intersection point 1# symbol t represents; Suppose that intersection point 5# is on the intersection point 1# left side, then suppose that mounting points 1# is on the intersection point 1# right side, the correct mounting points-mounting points 2# so on 90 ° of lines, its position, on the right side of intersection point 2#, is t+ (1/4) S with the distance of intersection point 2#; Correct mounting points-mounting points 3# on 180 ° of lines, its position, on the right side of intersection point 3#, is t+ (2/4) S with the distance of intersection point 3#; Correct mounting points-mounting points 4# on 270 ° of lines, its position, on the right side of intersection point 4#, is t+ (3/4) S with intersection point 4# distance.

8. large rolling ring 2A is installed; The designated ends of large rolling ring 2A in the face of accurate mounting points 1#, mounting points 2#, mounting points, 3# and mounting points 4#, then installs with adjustment backing plate and fixes welding well; The correct installation site of Here it is large rolling ring 2A, this position can be protected honest rolling ring 2A end face run-out value and meet target level of product quality.

9. with large rolling ring 2A for benchmark, bull gear and large rolling ring 2B are installed, allow them all be parallel to large rolling ring 2A.

The invention has the beneficial effects as follows, just can ensure that the end face run-out of two large rolling rings and a bull gear is up to standard owing to installing for the first time, so, the trouble of " secondary rectification " can be avoided, at least save the large rolling ring of installation of more than 3 times and the man-hour of bull gear.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the present invention is further described.

Fig. 1 is the schematic diagram that carbon black dryer rotating cylinder level is placed on common turning rolls.

Fig. 2 is the side view that rotating cylinder is placed on turning rolls, scriber device working state schematic representation of holding concurrently.

Fig. 3 is four equidistant horizontal line planar development schematic diagrames on rotating cylinder, and the C-D line schematic diagram that scriber marks when drum rotation and the correct mounting points of large rolling ring 2A calculate schematic diagram.

In figure, 1. rotating cylinder, the large rolling ring on the 2A. left side, the large rolling ring on the 2B. right side, 3. bull gear, 4. adjusts backing plate, 5. turning rolls, 6. scriber device.

Detailed description of the invention

In step 1, preparation one is extremely important to the scriber device of rotating cylinder line on the ground.Do not have it just cannot implement method of the present invention, if scriber bar rotating part do inaccurate, also can affect the accuracy of hookup wire.

In step 2 ~ 4, two common turning rolls are all at will on the ground, do not implement fixing, distance is far again, they can not be ajusted, and pendulum just will not make rotating cylinder wander off, wander off and how much cannot estimate, because they are not fixed, have the possibility of touching and moving at every turn; But once great for weight rotating cylinder is pressed on turning rolls, its location status just settles out, and the numerical value wandered off will settle out.

In step 3, select large rolling ring 2A very important as installation emphasis, because only have large rolling ring 2A by enter the chocks; If large rolling ring 2A end face has beat, whole rotating cylinder just has end face run-out.So installing importantly large rolling ring 2A, with it for benchmark, other is all right located.Drawing four equidistant parallel lines, is the distribution of calculating for the ease of stroke and four points.

In step 4 ~ 6, allow scriber bar be adjacent to rotating cylinder, at will look for individual point to be adjacent to rotating cylinder and rule.

Claims (1)

1. carbon black dryer large rolling ring end face run-out installation method up to standard, its method step is:

1. one is prepared on the ground to the scriber device (Fig. 2, piece number 6) of rotating cylinder line; 3 requirements are had: one is have a base sitting surely to this scriber device; There is the scriber bar of an energy flexible rotating, have carbide alloy scriber on the top of scriber bar; Two is precisions that the requirement of scriber bar rotating part is done, and scriber bar can only can not have and at all to vacillate now to the left, now to the right and left and right vibration by flexible rotating; Three is that scriber bar by various principle, can make it continual and be close to drum surface line; Especially can overcome possible rotating cylinder circularity bad, rotate larger circular runout as the same.

2. rotating cylinder is placed on two common turning rolls (Fig. 1).

3. on the predetermined installation site of bull gear and large rolling ring 2A, draw with scriber and ruler the line segment that four are parallel to rotating cylinder center line, these four lines are circumferentially distribution distance should be equal; Article four, the title of line is 0 ° successively, 90 °, 180 ° and 270 ° (Fig. 2).

4. the medium position of accurate for the scriber pole pair of scriber device above-mentioned four lines, allow scriber bar be adjacent to drum surface, prepare line (Fig. 2).

5. starter motor, allow turning rolls drive drum rotation, scriber marks a C-D line on cylinder; It is respectively at 0 ° of line, 90 ° of lines, 180 ° of lines, and 270 ° of lines surrender intersection point 1#, intersection point 2#, intersection point 3#, intersection point 4# and intersection point 5# (Fig. 3) mutually with on 360 ° of (0 °) lines.

6. on 0 ° of line, two intersection points are had, i.e. intersection point 1# and intersection point 5#; Distance between two intersection points represents with symbol S.

7. on 0 ° of line, determine that large rolling ring 2A mono-specifies the correct mounting points of end face by layout design, name this point to be: mounting points 1#; Distance between mounting points 1# and intersection point 1# symbol t represents; Suppose that intersection point 5# is on the intersection point 1# left side, then suppose that mounting points 1# is on the intersection point 1# right side, the correct mounting points-mounting points 2# so on 90 ° of lines, its position, on the right side of intersection point 2#, is t+ (1/4) S with the distance of intersection point 2#; Correct mounting points-mounting points 3# on 180 ° of lines, its position, on the right side of intersection point 3#, is t+ (2/4) S with the distance of intersection point 3#; Correct mounting points-mounting points 4# on 270 ° of lines, its position, on the right side of intersection point 4#, is t+ (3/4) S with intersection point 4# distance.

8. large rolling ring 2A is installed; The designated ends of large rolling ring 2A in the face of accurate mounting points 1#, mounting points 2#, mounting points, 3# and mounting points 4#, then installs with adjustment backing plate and fixes welding well; The correct installation site of Here it is large rolling ring 2A, this position can be protected honest rolling ring 2A end face run-out value and meet target level of product quality.

9. with large rolling ring 2A for benchmark, bull gear and large rolling ring 2B are installed, allow them all be parallel to large rolling ring 2A.