Device for replacing riding wheel of mixing machine

Abstract

The utility model discloses a device for replacing a riding wheel of a mixing machine, belongs to the field of maintenance of sintering equipment, and solves the problem that the service life of a barrel is shortened due to unstable rotation of the barrel caused by larger error in the conventional riding wheel replacing method. The device for replacing the riding wheel of the mixing machine comprises a base, a plurality of jacks are detachably installed on the base, a bearing plate is arranged at the tops of the jacks, a telescopic supporting rod is arranged on the base, a center ball is arranged at the top of the supporting rod, a rotating sleeve is arranged on the center ball in a sleeving mode, a connecting rod is arranged on the rotating sleeve, and the connecting rod is connected with the base. The other end of the connecting rod is provided with a dial indicator, the rotating sleeve is provided with a threaded hole, the threaded hole is internally in threaded connection with a reverse jacking bolt, and one end of the reverse jacking bolt is in contact with the outer wall of the center ball. The device for replacing the riding wheel of the mixing machine is simple to operate, high in mounting precision and capable of remarkably improving the overhauling efficiency and quality and effectively prolonging the service life of the cylinder body.

Description

TECHNICAL FIELD

[0001] The utility model relates to sintering equipment maintenance technical field more specifically, it relates to a device of replacing the supporting wheel of mixing machine. BACKGROUND

[0002] The cylindrical mixing machine is one of the main equipment of sintering production, and its role is to mix and granulate raw materials such as ore powder; the supporting wheel is a component for supporting the rotation of the mixing machine cylinder; generally, there are two groups of supporting wheels, which are respectively located at the head and tail of the cylinder; each group has two supporting wheels, which are respectively located at the two sides of the cylinder; due to the wear of the supporting wheel roller body and bearing, the supporting wheel needs to be replaced every few years; how to ensure that the supporting position of the new supporting wheel is consistent with the original one during the replacement process is particularly important.

[0003] The current positioning method for replacing the supporting wheel is to first use a jack to lift the cylinder, so that the supporting wheel to be replaced is separated from the cylinder; then, the gap between the supporting wheel roller body and the cylinder is measured by using a feeler gauge; then, the old supporting wheel is removed and the new supporting wheel is installed; the position of the new supporting wheel is adjusted, and the gap between the new supporting wheel and the cylinder is consistent with the gap between the old supporting wheel and the cylinder; the bearing seat bolt of the new supporting wheel is fastened; finally, the cylinder is lowered. However, due to the weight of the cylinder and the material bonded inside, which is more than one hundred tons in total, the total time for removing the old supporting wheel, installing and adjusting the new supporting wheel is generally more than 6 hours; during this time, due to the pressure relief and deformation of the jack and the support, the cylinder will definitely sink slightly; if the new supporting wheel is still positioned according to the gap between the old supporting wheel and the cylinder, the installation positioning error will be large, which will cause the installation position of the new supporting wheel to be inconsistent with the installation position of the old supporting wheel, resulting in the center line of the cylinder rotating jumping, thereby causing the cylinder to rotate unstably, vibrate greatly, and the supporting wheel to be stressed unevenly, etc., which will cause certain damage to the cylinder and shorten the service life of the cylinder. SUMMARY

[0004] The technical problem to be solved by the utility model is to solve the above-mentioned deficiencies of the prior art, provide a device for replacing the supporting wheel of a mixing machine, which is simple to operate, high in installation precision, can significantly improve the efficiency and quality of maintenance, and effectively improve the service life of the cylinder.

[0005] The technical scheme of the utility model is as follows: a device for replacing the supporting wheel of a mixing machine, comprising a base, a plurality of jacks are detachably installed on the base, a bearing plate is arranged at the top of the jack, a telescopic supporting rod is arranged on the base, a center ball is arranged at the top of the supporting rod, a rotating sleeve is sleeved on the center ball, a connecting rod is arranged on the rotating sleeve, a dial indicator is arranged at the other end of the connecting rod, a threaded hole is arranged on the rotating sleeve, a reverse jack bolt is threadedly connected in the threaded hole, and one end of the reverse jack bolt is in contact with the outer wall of the center ball.

[0006] As a further improvement, the top of the load-bearing plate is arc-shaped, which is adapted to the outer wall surface of the cylinder.

[0007] Further, the two jacks are symmetrically installed on the base with the central axis of the load-bearing plate as the midpoint.

[0008] Further, the support rod comprises a fixed rod and a movable rod, one end of the fixed rod is connected with the base, the other end of the movable rod is connected with the center ball, one end of the fixed rod is provided with a locking part, a compression nut is threadedly connected on the locking part, and the movable rod is movably inserted into the fixed rod through the locking part.

[0009] Further, the locking part comprises a plurality of locking pieces, and the plurality of locking pieces are uniformly installed on one end of the fixed rod with the central axis of the fixed rod as the center.

[0010] Further, one end of the reverse top bolt is an inwardly recessed arc-shaped part, which is adapted to the outer wall surface of the center ball.

[0011] Advantages

[0012] Compared with the prior art, the device for replacing the supporting wheel of the mixing machine has the following advantages:

[0013] The device for replacing the supporting wheel of the mixing machine has the following advantages: simple operation, high installation precision, good maintenance quality, avoidance of secondary adjustment of the supporting wheel or rework, significant improvement of maintenance efficiency and quality, prolongation of the service life of the equipment, and reduction of production cost. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a structural schematic view of the device for replacing the supporting wheel of the mixing machine;

[0015] Figure 2 is a structural schematic view of the device for replacing the supporting wheel of the mixing machine in use;

[0016] Figure 3 is a sectional structural schematic view of the support rod in the device for replacing the supporting wheel of the mixing machine;

[0017] Figure 4 is a three-dimensional structural schematic view of the fixed rod in the device for replacing the supporting wheel of the mixing machine;

[0018] Figure 5 is a sectional structural schematic view of the rotating device in the device for replacing the supporting wheel of the mixing machine;

[0019] Figure 6 is an enlarged structural schematic view of the reverse top bolt in the device for replacing the supporting wheel of the mixing machine.

[0020] The components are: 1-base, 2-jack, 3-bearing plate, 4-support rod, 5-connecting rod, 6-dial indicator, 7-locking part, 8-center ball, 9-rotating sleeve, 10-reverse bolt, 11-arc part, 12-cylinder, 13-support roller, 14-locking nut, 41-fixed rod, 42-movable rod. Detailed Implementation

[0021] The present invention will be further described below with reference to specific embodiments shown in the accompanying drawings.

[0022] See Figures 1-6 A device for replacing mixer support rollers includes a base 1, on which multiple jacks 2 are detachably mounted. Each jack 2 has a load-bearing plate 3 on its top. A telescopic support rod 4 is mounted on the base 1, with a central sphere 8 on its top. A rotating sleeve 9 is fitted onto the central sphere 8, the surface area of ​​which is greater than half the surface area of ​​the central sphere 8. Specifically, the rotating sleeve 9 is a hollow spherical structure with one open end, and the opening is located at two-thirds of the full spherical structure. A connecting rod 5 is mounted on the rotating sleeve 9, with a dial indicator 6 at the other end. The rotating sleeve 9 rotates in a circular motion around the center of the central sphere 8, facilitating adjustment of the measuring angle between the probe of the dial indicator 6 and the cylinder 12. The measurement of sub-table 6 effectively improves the accuracy of the measurement; the rotating sleeve 9 is provided with a threaded hole, and a counter-bolt 10 is threadedly connected in the threaded hole. One end of the counter-bolt 10 contacts the outer wall of the central ball 8. By tightening the counter-bolt 10, one end of the counter-bolt 10 contacts the outer wall of the central ball 8, thereby achieving the effect of fixing the rotating sleeve 9. This prevents the rotating sleeve 9 from rotating due to external force during the replacement of the support roller 13, which would reduce the measurement accuracy and damage the cylinder 12; when replacing the support roller 13, first use the jack 2 and the support rod 3 to lift the cylinder 12 so that the gap between the support roller 13 to be replaced and the cylinder 12 is about 1mm. Measure the gap J between the support roller 13 to be replaced and the cylinder 12 at this time. 原始 And the initial value B of cylinder 12. 原始 Then remove the replacement roller 13 and install the new roller 13. Finally, adjust the position of the new roller 13. Since the cylinder 12 has slightly sunk at this time, the reading of dial indicator 6 will increase. Operate jack 2 to make the reading of dial indicator 6 reach B. 原始 Next, adjust the gap between the new support roller 13 and the cylinder 12 to achieve J. 原始 After tightening the bearing seat bolts of the support roller and lowering the jack 2, the replacement of support roller 13 is completed. This device is simple to operate, has high installation accuracy, can better ensure the quality of maintenance, avoid secondary adjustment of the support roller or rework, can significantly improve maintenance efficiency and quality, extend the service life of equipment, and reduce production costs.

[0023] In the embodiment, the top of the load bearing plate 3 is arc-shaped and matches the outer wall of the cylinder 12, ensuring the stability of the cylinder 12 when the supporting wheel 13 is replaced.

[0024] In the embodiment, the two jacks 2 are symmetrically installed on the base 1 with the central axis of the load bearing plate 3 as the midpoint, and the two jacks 2 are both installed at the middle part of the load bearing plate 3, so that the two jacks 2 are uniformly stressed.

[0025] In the embodiment, the supporting rod 4 includes a fixed rod 41 and a movable rod 42, one end of the fixed rod 41 is connected with the base 1, the other end of the movable rod 42 is connected with the center ball 8, one end of the fixed rod 41 is provided with a locking part 7, a compression nut 14 is threadedly connected on the locking part 7, the movable rod 42 is movably inserted into the fixed rod 41 through the locking part 7, the fixed rod 41 and the movable rod 42 are both made of plastic material and have strong plasticity, the overall length of the supporting rod 4 can be adjusted by adjusting the movable rod 42 and the fixed rod 41, so as to adjust the distance between the dial gauge 6 and the cylinder 12, when the movable rod 42 is moved to a suitable position, the compression nut 14 is tightened, the locking part 7 is moved to the center of the fixed rod 41, and multiple locking pieces on the locking part 7 clamp the movable rod 42, so as to fix the movable rod 42 on the fixed rod 41.

[0026] In the embodiment, the locking part 7 includes multiple locking pieces, the multiple locking pieces are uniformly installed on one end of the fixed rod 41 in the axial direction with the central axis of the fixed rod 41 as the center, the fixed rod 41 and the movable rod 42 are both made of plastic material and have strong plasticity, the locking part 7 is pressed by tightening the compression nut 14, the locking pieces are deformed and moved to the center of the fixed rod 41, the locking pieces clamp the movable rod 42, so as to fix the movable rod 42 on the fixed rod 41, and the length of the supporting rod 4 is adjusted.

[0027] In the embodiment, one end of the counter-bolt 10 is an arc-shaped part 11 which is recessed inward and matches the outer wall of the center ball 8, so as to effectively increase the contact area between the counter-bolt 10 and the outer wall of the center ball 8, increase the friction between the counter-bolt 10 and the center ball 8, and improve the stability of the rotating sleeve 9.

[0028] The above only describes the preferred embodiments of the present application, and it should be noted that those skilled in the art can make some modifications and improvements without departing from the structure of the present application, which will not affect the effect and practicability of the present application.

Claims

1. A device for replacing a mixer carrier wheel, characterized in that The utility model provides a kind of lifting device, including base (1), the base (1) detachably mounted with multiple jacks (2), the top of the jack (2) is equipped with load-bearing plate (3), the base (1) is equipped with retractable support rod (4), the top of the support rod (4) is equipped with center ball (8), the center ball (8) is equipped with rotating sleeve (9), the rotating sleeve (9) is equipped with connecting rod (5), the other end of the connecting rod (5) is equipped with dial gauge (6), the rotating sleeve (9) is equipped with threaded hole, the threaded hole is threadedly connected with reverse jack bolt (10), one end of the reverse jack bolt (10) is in contact with the outer wall of center ball (8).

2. A device for replacing a mixer roller according to claim 1, characterized in that The top of the load-bearing plate (3) is arc-shaped structure, and the arc-shaped structure is adapted to the outer wall surface of the cylinder (12).

3. A device for replacing a carrier wheel of a mixer according to claim 2, characterized in that The jack (2) has two, and the two jacks (2) are symmetrically installed on the base (1) with the central axis of the load-bearing plate (3) as the midpoint.

4. A device for replacing a mixer roller according to claim 1, characterized in that The support rod (4) includes a fixed rod (41) and a movable rod (42), one end of the fixed rod (41) is connected with the base (1), the other end of the movable rod (42) is connected with the center ball (8), one end of the fixed rod (41) is provided with a locking portion (7), the locking portion (7) is threadedly connected with a compression nut (14), and the movable rod (42) is movably inserted into the fixed rod (41) through the locking portion (7).

5. A device for replacing a carrier wheel of a mixer according to claim 4, characterized in that The locking portion (7) includes a plurality of locking pieces, and the plurality of locking pieces are uniformly installed on one end of the fixed rod (41) with the central axis of the fixed rod (41) as the center.

6. A device for replacing a mixer roller according to claim 1, characterized in that One end of the reverse jack bolt (10) is an inwardly recessed arc-shaped portion (11), and the arc-shaped portion (11) is adapted to the outer wall surface of the center ball (8).

Images