KR20060094344A - Crushing roll driving device of aggregate crusher - Google Patents

Abstract

The present invention relates to a crushing roll driving device of the aggregate crushing device to prevent the center of the rotation axis constituting the crushing roll during the crushing process, provided with a pair of at least one crushing space provided in the body of the aggregate crusher aggregate A plurality of crushing rolls including a rotating shaft that is crushed and penetrated through bearings on both side plates of the crushing space, the outer side of the side plate which is one side of the rotating shaft constituting the crushing roll, to prevent the eccentricity of the rotating shaft It is characterized in that it is provided with a hydraulic motor that is directly connected through one side of the rotary shaft and the planetary gear device.

Aggregate, Crushing Roll, Planetary Gear, Driving Device

Description

A crushing roll drive apparatus of the crushing apparatus

1 is a side view showing an aggregate crusher equipped with a crushing roll drive of the present invention.

2 is an enlarged sectional view taken along the line A-A of FIG.

3 is an enlarged view of a portion B of FIG. 2;

4 is a cross-sectional view taken along the line C-C of FIG.

<Explanation of symbols for the main parts of the drawings>

1: main body

    11: crushing space

    12: side plate

2: crushing roll

    21: axis of rotation

    22: bearing

3: hydraulic motor

    31: motor shaft

    32: casing

4: planetary gear device

    41: circumferential fixture

         411: inner gear, 412: outer plate, 413: inner plate, 414: circumferential plate

    42: sun gear

    43: idle rotating body

         431: planetary gear, 432: idle rotation axis, 433: connecting plate

    44: arm gun

         441: arm

    45: bearing

    46: oil shutoff ring

The present invention relates to a crushing roll driving device constituting the aggregate crusher, and more particularly, to a crushing roll driving device of the aggregate crushing device to prevent the center of the rotation axis constituting the crushing roll in the crushing process.

Generally known aggregate crushing apparatus is used to crush and process the minerals mined in quarries and mines into aggregates of a suitable size to meet the requirements of the building materials.

The conventional aggregate crushing device is provided with a crushing means provided in the interior of the crushing space and the main body including an internal crushing space is provided with the aggregate inlet and outlet in the upper and lower, and the driving force as the crushing means It consists of a driving means for applying.

And the shredding means is composed of a roll combination is provided in each of the upper and lower crushing aggregate, the roll combination is provided at the rear and the drive crushing roll and the both ends of the rotating shaft is fixed to the bearing on both side plates of the main body and the drive crushing It is provided in front of a roll and consists of the driven crushing roll in which both rotating shafts are fixed to the bearing by the both side plates of a main body.

In addition, the driving means is to drive the roll combinations respectively provided in the upper and lower portions of the crushing space, respectively, the drive, driven gear and driven gear provided to be engaged with each other on one side of the rotating shaft constituting the driven crushing roll It consists of hydraulic motor.

Therefore, in the case of crushing aggregate using the conventional crushing device configured as described above, the aggregate passing through the drive, driven crushing roll by driving the drive motor to rotate the drive, driven gear in the opposite direction to each other. To shred.

However, in crushing aggregate through the mutual rotation of the driving and driven crushing rolls, the engagement portion of the rotating shaft constituting the driving and driven crushing rolls interlocked with each other by the crushing force being biased to the gear engagement portion provided on one side of the driving and driven crushing rolls. On the other side, an eccentric phenomenon occurs.

Therefore, in the process of crushing aggregates due to the eccentricity of the rotary shaft, there was a problem in that eccentric loads were generated between driving and driven crushing rolls.

In addition, the bearing supporting the rotating shaft due to the eccentricity of the rotating shaft constituting the driving and driven crushing rolls as described above has a problem that the bearing is damaged in a short time.

The present invention has been invented to solve the above problems, by preventing the eccentric phenomenon of the rotating shaft constituting the crushing roll in the process of crushing the aggregate for the aggregate crushing device to prevent the occurrence of eccentric load during the crushing of the aggregate It is an object to provide a crushing roll.

In addition, there is also an object to prevent the occurrence of uneven wear in the bearing supporting the rotating shaft by preventing the rotating shaft constituting the crushing roll is eccentric.

The present invention for achieving the above object, a plurality of pairs are provided in the crushing space provided inside the body of the aggregate crusher to crush the aggregate and includes a rotating shaft which is provided through both bearings of the crushing space through the bearing In the crushing roll of, the outer side of the side plate which is one side of the rotating shaft constituting the crushing roll, is provided with a hydraulic motor connected directly to one side of the rotating shaft through a planetary gear device to prevent the eccentricity of the rotating shaft It is characterized by.

In addition, the planetary gear device is configured to interconnect the casing constituting the hydraulic motor and the side plate that is the outer circumference of the bearing for supporting the rotating shaft and the inner circumference fixed body is provided with an inner gear, and the hydraulic motor A solar gear which is connected to a motor shaft and is provided at an inner center of the circumferential fixed body and rotates rotationally through the motor shaft, and is spaced at equal intervals to revolve around the sun gear between the inner gear and the sun gear. It characterized in that it comprises a planetary gear including a plurality of planetary gears including a connecting plate for interconnecting each of the rotating shaft and the end of the rotating shaft.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a side view showing an aggregate crusher equipped with a crushing roll drive of the present invention, Figure 2 is an enlarged cross-sectional view of the AA line of Figure 1, Figure 3 is an enlarged view of the portion B of Figure 2, Figure 4 CC line cross section.

The present invention is provided with one or more pairs in the crushing space 11 provided in the main body 1 of the aggregate crusher to crush the aggregate and penetrate through the bearings 22 on both side plates 12 of the crushing space 11. In a plurality of crushing rolls including a rotating shaft 21 provided, the outer side of the side plate 12 which is one side of the rotating shaft 21 constituting the crushing roll 2, the rotating shaft 21 in the crushing process In order to prevent the eccentricity of the one side of the rotating shaft 21 is characterized in that it is provided with a hydraulic motor (3) directly connected through the planetary gear device (4).

The planetary gear device 4 directly connects the motor shaft 31 of the hydraulic motor 3 and the rotation shaft 21 of the crushing roll 2 to each other, thereby driving the hydraulic motor 2. The rotation shaft 21 is rotated to prevent the rotation shaft 21 from being eccentric in the process of crushing.

Thus, the planetary gear device 4 will be described in more detail.

 As shown in FIGS. 3 and 4, the planetary gear device is provided in the circumferential fixture 41 including the inner gear 411 and in the circumferential fixture 41, so that the hydraulic motor 3 may be provided. It is composed of a sun gear 42 that is rotated by the drive and the idler rotating body 43 to prevent the eccentricity of the rotation shaft 21 while transmitting the rotational force of the sun gear 42 to the rotation shaft 21.

That is, the circumferential fixing body 41 interconnects the casing 32 constituting the hydraulic motor 3 and the side plate 12 that is the outer circumference of the bearing 22 supporting the rotating shaft 21. The inner gear 411 is provided on the circumference.

In addition, the sun gear 42 is connected to the motor shaft 31 of the hydraulic motor 3 and rotates to be provided at the inner center of the circumferential fixture 41.

In addition, the orbiting rotor 43 is provided at equal intervals between the inner gear 411 and the sun gear 42, each of the planetary gears having an orbital rotation shaft 432 at each center ( 431, and the connecting plate 433 for interconnecting the idle rotating shafts 431 and one end of the rotating shaft 21. That is, the orbital rotation shaft 431 is fixed at equal intervals around the connecting plate 433, and the center circumference of the connecting plate 433 is fixed to the end circumference of the rotary shaft 22 through fixing means such as bolts. It is connected.

Hereinafter, the operational relationship of the present invention configured as described above are as follows.

As shown in Figures 1 to 4, when crushing aggregate through the crushing roll constituting the present invention, first, the sun gear constituting the planetary gear device (4) by circulating the fluid to the hydraulic motor ( Rotate 42).

Then, together with the rotation of the sun gear 42, the planetary gear 431 of the orbiting rotor 43 engaged with the outer side of the sun gear 42, the inner gear 411 of the circumferential fixed body 41 As a result, the sun gear 42 revolves around.

When the planetary gear 431 is idle as described above, the orbital rotation shaft 432 constituting the planetary gear 431 and the connecting plate 433 is rotated and the rotating shaft 21 is connected to the connecting plate 433. ) Is also rotated together so that the crushing roll (2) provided in the crushing space (11) is rotated.

In other words, by crushing the rotating shaft (2) of each of the crushing rolls to form a pair in close contact with each other through the above-described process to enable the crushing of the aggregate.

In particular, the operation of the planetary gear device in the above operation process will be described in more detail as follows.

As shown in FIGS. 3 and 4, when the rotating shaft 21 is rotated, a plurality of planetary gears 431 for transmitting rotational force to the rotating shaft 21 are formed of the sun gear 41 and the inner gear 411. It is possible to prevent the eccentricity of the rotating shaft 21 by being engaged in between.

Because the planetary gear 431 is engaged between the sun gear 41 and the inner gear 411, the idle gear 431 and the connecting plate 433 is the end of the rotary shaft 21 The circumference is always pressed in the direction of the center of the rotation shaft 21. Therefore, the plurality of idle rotation shaft 432 and the connecting plate 433 is pressed toward the center of the circumference of one end of the rotary shaft 21 to increase the bearing capacity of one side of the rotary shaft 21. Therefore, the large bearing force of one side is transmitted to the opposite end of the rotating shaft 43, thereby preventing the opposite end from being eccentric.

In addition, by preventing the eccentricity of the rotary shaft 21 as described above, it is also possible to prevent uneven wear of the bearing 22 is inserted into the rotary shaft 21.

Meanwhile, as illustrated in FIGS. 3 and 4, an outer end portion of the motor shaft 31 and the plurality of idle rotation shafts 432 between the circumference of the motor shaft 31 and the plurality of idle rotation shafts 432. It is characterized in that the arm current collector 44 is further provided with a plurality of arms (441) interconnecting the.

Therefore, by connecting the plurality of idle rotation shaft 432 and the motor shaft 31 through the arm current collector 44, the bearing force of the idle rotation shaft 432 provided in the center of the planetary gear 431 It can be solidified.

3, the circumferential fixing body 41 is an outer plate 412 fixed to the casing 32 of the hydraulic motor 3, and a side plate 12 of the main body 1. An inner plate 413 fixed to an outer circumference of the bearing 22 and having a central hole formed therein, and a circumferential plate 414 provided with an inner gear 411 disposed around the outer and inner plates 412 and 413. It consists of.

Therefore, the circumferential fixing body 41 can be separated into the outer and inner plates 412 and 413 and the circumferential plate 414 to provide convenience of maintenance.

In addition, a bearing 45 and an oil blocking ring 46 are further provided between the central hole of the inner plate 413 and the outer surface of the rotating shaft 21, thereby providing liquid oil in the planetary gear device 4. Even if the filling can prevent leakage.

As described above, the present invention has the effect of crushing the aggregate to a uniform size by preventing the rotational axis constituting the crushing roll from being eccentric to prevent eccentric loads during crushing of the aggregate.

In addition, the center of the rotation shaft is prevented from being eccentric, thereby preventing the wear of the bearing into which the rotation shaft is inserted, thereby maximizing the life of the bearing.

While the present invention has been described with reference to the accompanying drawings, it will be apparent to those skilled in the art that many various obvious modifications are possible without departing from the scope of the invention from this description. Therefore, the scope of the invention should be construed by the claims described to include many such variations.

Claims (5)

Rotating shafts provided in the crushing space 11 provided in the body 1 of the aggregate crusher to crush the aggregate and penetrate through the bearings 22 on both side plates 12 of the crushing space 11 ( For a plurality of crushing rolls comprising 21); On the outer side of the side plate 3 which is one side of the rotating shaft 21 constituting the crushing rolls 2, A crushing roll driving device of an aggregate crusher, characterized in that the hydraulic motor (3) is provided directly connected through one side of the rotary shaft (21) and the planetary gear device (4) to prevent the eccentricity of the rotary shaft (21). 2. The planetary gear device 4 according to claim 1, The casing 32 constituting the hydraulic motor 3 and the side plate 12 which is the outer circumference of the bearing 22 supporting the rotating shaft 21 are interconnected, and an inner gear 411 is provided at the inner circumference thereof. Peripheral fixture 41, A sun gear 42 connected to the motor shaft 31 constituting the hydraulic motor 3 and provided at an inner center of the circumferential fixture 41 and rotating through the motor shaft 31; A plurality of planetary gears 431 and each revolving rotation shaft which are engaged at equal intervals between the inner gear 411 and the sun gear 42 at equal intervals and revolve around the sun gear 42. Crushing roll drive device of the aggregate crusher, characterized in that consisting of a rotating rotor (43) including a connecting plate (431) and the connecting plate (433) interconnecting the ends of the rotating shaft (21). 3. The planetary gear device 4 according to claim 2, Crushing aggregate aggregate crusher, characterized in that it further comprises an arm blank 44 is provided around the plurality of arms 441 that interconnects the periphery of the motor shaft 31 and the outer end of the idle rotation axis 432 Roll Drive. The circumferential fixture 41 according to claim 2, An outer plate 412 fixed to the hydraulic motor casing 32; An inner plate 413 fixed to an outer circumference of a bearing 22, which is a side plate 12 of the main body 1, and having a central hole, and The outer, the inner plate 412, 413 is wrapped around the circumference of the crush roll driving device of the aggregate crusher, characterized in that consisting of a circumferential plate 414 is provided with the inner gear (411). 5. The aggregate crusher according to claim 4, further comprising a bearing (45) and an oil blocking ring (46) between the central hole of the inner plate (413) and the outer surface of the rotating shaft (21).

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