JP2604297B2 - Crushing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a rod mill, in the shell body such as a ball mill, such as a tube mill and conical mill
Special steels also been inserted or rods, such as carbon steel,砕媒body fracture made in steel ball or the like, the movement by the rotation of the shell body, stone such a mixed thereto, ore, cement raw material,
The raw material particles such as cement clinker be one which crushed broken by frictional striking force, a drive wheel rotating by use of oil pressure motor in Japanese
It relates grinding apparatus implosion when taken to improve the grinding function and operability fracture is provided a driving unit for rotating the shell body by moving.

[0002]

Of Conventional crushing device, in a ball mill, such as a tube mill and conical mill, it is engaged teeth pinion which is rotated a large gear provided on the outer periphery of the shell main body by an electric motor , grinding by rotating the shell body, the broken砕媒body such as iron balls inserted into the <br/> shell body, stone such mix them, the raw ore, etc. It has been made in order to crushing broken by a force, because of meshing metal gear, and the corresponding large becomes noise is generated by an impact due to crushing of the shell present in the body.

[0003] Further, in the rod mill, a sprocket provided on the outer periphery of the shell body, which in turn over the chain, as rotating none Ubeku drive source an electric motor the該Shi E reel body, and market shares Lining the inner circumference of the
Since a large number of rod and interior have become so it intends times verb,
Noise becomes considerable larger in the transfer system of the rotating power, further, easily loose lining or the like by the vibration by the impact of the rod in the shell body by a rotation of the shell body, thus the cause causing abnormal wear Has become.

[0004] Therefore, especially in a rod mill,
And nono the shell body on the tire for use in automobiles, a differential device provided in each of the rolling axes of the second base having a tire, <br/> one or separately drive each differential device Connect the devices,
Sheet that the E reel body was no order intends times verbs and, the inventors of the present application No. previously registered second 1,764,997 (Japanese Utility Model 63-23950
Proposed in Patent), and rotating the entire drive wheel having a cushioning through at least one pair of differential by one driving source, to prevent slippage between the shell body and the rod of opposition slip due to changes in position of the center of gravity of the shell body by contact even prevent, further, become a capable achieving a reduction in noise in the transfer system of the rotational power.

[0005] The driving source prior fracture in the art crushing apparatus had by the electric motor, Senebanara rotational direction or to allow reverse rotation, but may no be possible to change the rotational speed, the complex apparatus or the like for this purpose not, therefore it becomes a high cost, also when used in this type of crushing device is especially well cause problems in operability.

[0006]

[SUMMARY OF THE INVENTION Therefore, the present invention has been made in order to eliminate the drawbacks of the prior art described above, liners within shell body inserted into該Shi E Le body rod or the like of the broken砕媒body is, abuts site offset by the rotation of the certain direction, therefore, the life of the liners is reduced, further, suitably a drop position of the fracture砕媒body of the rod such by the dashed砕原fees Although in order to change the results found in the intensive research that may be changed as appropriate speed to a variable direction of rotation and rotational speed of the shell body by an electric motor that is conventionally done, considerable complex devices , equipment and not a Senebanara, therefore, a thing of the high cost, has become a cause problems in operability, in addition, since the entire driving source even one to two in has to intends times verb, which attention is paid to the fact that the whole a failure to can not be pivoted , Each of the driving wheels without so intends times verb hydraulic motor, by controlling the pressurized oil amount to allow easy forward and reverse rotation direction, and broken with a drive unit for the rotation speed can be easily changed Crushing device has been developed and proposed.

[0007]

Therefore, the present invention firstly mounts a shell body having an arbitrary hollow body shape on an arbitrary number of drive wheels and turns the drive wheels by a hydraulic motor. in rotatably-formed crushing device, and arranged so as to coincide the axis of the hydraulic motor to the axis of the drive wheel, the hydraulic motor
, The drive wheel is directly rotated, and the shell main body, which is in rolling contact with the drive wheel, can be appropriately rotated in an arbitrary direction. Secondly, the crushing device of the first configuration, wherein a switching member for appropriately switching and supplying pressure oil to the plurality of hydraulic motors to the hydraulic motor, an oil pump for generating oil pressure, An oil tank containing oil to be supplied to the pump, a cooling tank for cooling the oil after the hydraulic motor is operated,
The hydraulic motor is sequentially connected to form a hydraulic circulation circuit, and an arbitrary number of hydraulic motors are appropriately operated to rotate drive wheels.

[0008]

According to the present invention, a hydraulic motor is used as a drive source of the shell body of the crushing apparatus, and the rotation direction and the number of rotations of the hydraulic motor can be easily changed by controlling the pressure oil of the hydraulic motor. it is assumed that the rotational direction and the rotational speed can be easily changed, thus, because can change the rotational direction of the shell body, the abutment of the grinding media to liners in the shell body are averaged, the life of the liner Since the length becomes longer and the number of rotations can be easily changed, the falling position of the crushing medium in the shell main body can be easily changed, so that it is possible to easily cope with changes in the properties and specific gravity of the crushed material.

Further, as apparent in FIGS. 2 and 3, since it is arranged to match the axis of the hydraulic motor to the axis of the drive wheel of the drive unit for rotating the shell body, through gears or the like Therefore, the number of parts and the like is reduced as compared with a driving device that indirectly rotates the driving wheels, no complicated mechanism is required, and the space occupied by the driving unit itself in the crushing device is omitted. Furthermore, since the rotation of the shaft center of the hydraulic motor is directly transmitted to the drive wheels, the rotation loss is reduced as compared with the indirect drive, and the drive wheels are driven efficiently without rotation unevenness.

Further, since the drive wheel is formed with a cushioning the rolling contact portion between the shell main body, eliminating the noise in the transfer system of the rotational power to prevent slippage between the shell main body, the prevention of slippage caused by variation in the position of the center of gravity of the shell body by abutment of the rod.

Furthermore, provided each of the driving wheels reversible to a hydraulic motor, and a member such as a switching valve for supplying switching the pressure oil to the hydraulic motor appropriately provided, a which a hydraulic pump and an oil tank A hydraulic circulation circuit is formed to return the oil to the oil tank through a cooling tank that cools the oil operated by the hydraulic motor, so that the switching member rotates at least one pair of drive wheels. Can rotate any number of drive wheels at the same time, and the rotation direction and the number of rotation of the drive wheels can be easily changed by adjusting the pressure oil of the hydraulic motor.

[0012]

EXAMPLES The following continue, in order to further clarify the subject matter of the shredding device according to the present invention, illustrating an embodiment in which performed the rod mill of the grinding apparatus fracture using drawings.
As shown in FIG. 1, a rod mill according to the present invention includes a hopper A for supplying rough, sheet rock device B for supplying One not a quantified ore and continuously provided through the chute A1 from the hopper A If, shell C and,該Shi E Le C drive wheel 3 for processing fracture <br/> crushing the supplied gemstone by fed-stone device B
b, 3b ', 3a (not shown), 3a' (not shown)
There), 3c (not shown), 3c '(a drive unit D for driving rotation by nono to not shown), fractionated according to the shell C in a crushing been crushed stones or the like to the particle size It consists of a sorting device E, and these are arranged on the base 1.

[0013] Next, as shown in FIGS. 1 to 3, shell C is a side wall <br/> shell body 10 opened a supply port, not shown,
A side wall having a discharge port is provided on a cylindrical body 101 having a supply port side formed in a truncated cone shape having a larger diameter than the discharge port side, and an arbitrary number of liners 102a is provided on an inner peripheral surface thereof. Are fixed, and the liner 102b is projected and fixed at an appropriate number of intervals in relation to the liner 102a. It is needless to say that the cylindrical body 101 may have a cylindrical shape instead of a truncated cone shape. Further, the outer periphery of the該Shi E reel body 10, a possible rolling contact for transmitting power of the driving unit D, here is provided a pair of outer race 11.

[0014] Next, the drive unit D, as seen in FIG. 2 and FIG. 3, cushioning properties, such as pneumatic rubber tires that is integrated includes a hydraulic motor 4 to be supported by the mounting bracket 2 axis Drive wheels 3a, 3a '(not shown) 3
b, 3b ', 3c, 3c' (not shown), and pressure oil to a plurality of hydraulic motors 4 can be appropriately supplied.
A switching valve 5 of a switching member that selects and connects the pipes Pa1 to Pan, and an oil pump 6 that includes a motor section 61 and a pump section 62 that connect the switching valve 5 and the pipe Pb to generate hydraulic pressure.
And an oil tank 7 connected by a pipe Pc to supply oil to the hydraulic pump 6, and heat exchange via a radiator pipe PR by a pipe Pd to cool the oil after operating the hydraulic motor 4. The cooling tank 8 is made available, a cooling water supply pipe 91 for supplying cooling water to the cooling tank 8, a cooling water drain pipe 92, and a pipe Pe for returning oil cooled in the cooling layer 8 to the oil tank 7. made have a hydraulic mechanism, and quick connect the tube Pa1~Pan to the hydraulic motor 4 with the axis of desired drive wheel, it is disposed a driving wheel of any number rotatably. In FIG. 3, the hydraulic pump 6 is shown as two motor units 61 and two pump units 62 so as to easily cope with a case where the capacity is large, but this may be addressed to one.

[0015] will now be described with reference to a 1-3 per action of construction the embodiment as described above. First chute from the hopper A A1, liner 102a of the sheet stone device shell body 10 via the B, ore is fed toward the 102b. Further, in advance a predetermined number of rods is housed, further water has become to try to supply, by the operation of the drive unit D through the outer race 11, 11 provided on the outer periphery of the shell body 10
They become so intends times verb, and the supplied gemstones, shell the by rod repeating rolling fall with the pivoting of the body 10 the liner 102a, are abutment to crushing between 102b discharge with water It is supplied to the sorting device E from the outlet.

According to the time the present invention, the drive wheel 3 a, 3
a '(not shown) 3b, 3b', 3c, 3c '(not shown)
) Is directly rotated by the hydraulic motor 4, so that the driving wheels can be driven efficiently with less rotation unevenness.
If, for example, the rotation direction of the shell body 10 is always the same as in the conventional case, the abutment of the liner 102b projecting with a predetermined width in the same direction is repeated. Therefore, abrasion is also uneven, and therefore, the service life is short. However, since the rotational direction of the shell body 10 rotates forward and backward, the contact is averaged, so that the service life is shorter than in the past. Since the length of the rod becomes longer and the number of rotations becomes easily variable, the falling state of the rod can be appropriately changed depending on the raw stone to be supplied.

Furthermore, shell body 10 in this embodiment,
Because they were tapered than the supply port side to the outlet side and a small diameter, and E aims to improve the filling rate of the rod, and become what ore can be retained appropriately, the improvement for fracture砕作It has also helped.

[0018] The specific contents of the drive unit of the present invention is not limited to the above embodiments, also, the shape of the shell main body may be any, not limited to the ones of the tapered , therefore, the form of the fracture砕部fraction also may be arbitrary, further oil cooling tank and the like may be air-cooled or the like, the specific contents of the present invention, the range of the object, the effect of the invention that will be described later acting 及 beauty is achieved It is needless to say that any of these changes does not change the gist of the present invention at all.

[0019]

As described above in detail, according to the first aspect of the present invention, the driving unit for rotating the shell main body is provided with:
A hydraulic mechanism for operating the hydraulic motor, formed by a drive wheel, and is matched to the axis of the hydraulic motor to the axis of the drive wheel
Since to have a disposed to drive wheel so as to directly rotate the cause, relatively to the type of driving device for rotating the indirectly driven wheels via a gear or the like, can reduce the number of parts and the like, Moreover, since it is not necessary to use a complicated mechanism, the space occupied by the drive unit itself in the crushing device can be omitted. Further, the axial center of the axis and the driving wheel of the hydraulic motor
Because it is formed to match , the axis of the hydraulic motor
Rotary rotation loss decreases is transmitted directly to the drive wheels, therefore, it is possible to reduce the rotation unevenness of the driving wheels,
Efficient driving can be realized.

Further, according to the invention according to claim 2, hydraulic
For example, a switching valve that switches the supply of pressure oil to the motor
Provide a member and connect it to the hydraulic pump and oil tank
And a cooling tank that cools the oil that operates the hydraulic motor
To return the oil to the oil tank via a hydraulic circuit
Is formed, so that at least one
Any number of drive wheels can be turned simultaneously by turning a pair of drive wheels,
Also, by adjusting the pressure oil of the hydraulic motor, the drive wheels can be easily adjusted.
Can change the rotation direction and the number of rotations. Also,
And E easily applied to various rotary crushing device, and so can rotate the direction readily changes shell body by a hydraulic motor, especially collides into the liner in E reel body is averaged, service life becomes longer and, by being able to easily change the rotational speed, because can change the position of dropping of broken砕媒of the rod and the ball or the like by the broken grind, the nature and gravity, etc. of the broken grind, preferably Condition can be selected. Further, since the drive wheel and the idle wheel can be easily selected and used as needed, even if one drive wheel fails, there is no case where the whole is stopped and cannot be used as in the related art. ADVANTAGE OF THE INVENTION According to this invention, a drive part becomes especially low-cost, and also the whole apparatus becomes low-cost, and also becomes an apparatus with favorable operability. As explained above,
The present invention is a practical and excellent invention that has unique effects that have never been seen before.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view showing the entirety of the present invention.

FIG. 2 is a side view showing a main part of the present invention.

FIG. 3 is a front view showing a main part of the driving unit of the present invention.

[Explanation of symbols]

A hopper A1 chute B supply stone device C shell D driver E fractionator 1 base plate 2 mounting bracket 3a, 3a ', 3b, 3b ', 3c, 3c ' drive wheel 4 hydraulic motor 5 switching valve 6 hydraulic pump 61 motor 62 pump section 7 the oil tank 8 cooling tank 91 coolant supply pipe 92 the cooling water discharge pipe 10 shell body 11 outer race Pa tube Pb tube Pc pipe Pd pipe Pe tube PR radiator tube section

Continuing from the front page (72) Inventor Kyoichi Yahagi 1780 Kamikono, Yachiyo-shi, Chiba Pref.Kawasaki Shige Kogyo Co., Ltd.Yachiyo Plant (56) References JP-A-49-56248 (JP, A) JP-A-63-43648 (JP, U)

Claims (2)

(57) [Claims] To 1. A any number of drive wheels on, and Nono the shell body of any hollow shape, and, in the crushing device formed pivotably drive wheel by the hydraulic motor, drive wheel the axis To
And arranged to match the axis of the hydraulic motor, the oil
A crushing apparatus characterized in that the drive wheel is directly rotated by a pressure motor, and the shell body for rollingly contacting the drive wheel can be appropriately rotated in an arbitrary direction. 2. A switching member for appropriately switching and supplying pressure oil to a plurality of hydraulic motors to a hydraulic motor, an oil pump for generating a hydraulic pressure, an oil tank containing oil to be supplied to the oil pump, A cooling tank for cooling the oil after the hydraulic motor is operated,
The crushing apparatus according to claim 1, wherein the hydraulic motor is sequentially connected to form a hydraulic circulation circuit, and an arbitrary number of hydraulic motors are appropriately operated to rotate the drive wheels.