CN214515096U - Automatic load balance adjusting device of double-rotor crusher - Google Patents

Abstract

The utility model belongs to the technical field of the double-rotor rubbing crusher, and double-rotor rubbing crusher load balance automatic regulating apparatus is disclosed, including the rubbing crusher shell, the both sides fixed mounting of rubbing crusher shell has the side enclosing cover, the rear side fixed mounting of rubbing crusher shell has a motor and No. two motors, the equal fixedly connected with bearing box of output shaft of a motor and No. two motors. The utility model discloses an operating current of two electric motors of two electric current transducer real-time supervision, and with current value transmission PLC controller between them, PLC control carries out comparison and reachs two motor operation load sizes, direction of rotation and angle through comparative result control step motor, step motor rotates and can drive the rotation of current regulation baffle behind the reduction gear speed governing, the material regulation in two crushing rooms can be adjusted after the current regulation baffle takes place to deflect is balanced, the material balance in two crushing rooms of automatically regulated has been reached, two motor load balances have been maintained, crushing efficiency and quality have been improved.

Description

Automatic load balance adjusting device of double-rotor crusher

Technical Field

The utility model belongs to the technical field of the birotor rubbing crusher, specifically a birotor rubbing crusher load balance automatic regulating apparatus.

Background

The crusher is a machine for crushing large-size solid raw materials to required sizes, the crusher comprises devices such as coarse crushing, fine crushing, wind power conveying and the like, the purpose of the crusher is achieved in a high-speed impact mode, wind power is used for crushing the raw materials at one time, a traditional screening program is omitted, the crusher is mainly applied to various industries such as mines, building materials and the like, at present, the double-rotor crusher is widely applied due to high-efficiency working performance of the double-rotor crusher, and the double-rotor crusher still has the defect of being improved.

In the working process, the current difference of the two motors is larger due to unbalanced material distribution in the left crushing chamber and the right crushing chamber, so that the load of the motor on one side is too light, but the overload phenomenon occurs on the other side, the integral working efficiency of the crusher is seriously influenced, the current adjusting baffle plate between the two rotors can control the materials in the two chambers to tend to be balanced at the present stage, but a maintenance worker needs to directly operate an adjusting handle on the crusher to complete adjustment in the operation of the crusher, the adjustment is required again after the materials are changed or the crusher rotors are changed to turn, which is tedious, the efficiency of the whole production line is reduced if the observation and the adjustment are omitted, and the energy consumption and the labor cost are improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above problem, the utility model provides a birotor rubbing crusher load balance automatic regulating apparatus has the load of automatically regulated motor and improves the advantage of smashing work efficiency.

In order to achieve the above object, the utility model provides a following technical scheme: the automatic load balance adjusting device of the double-rotor crusher comprises a crusher shell, side outer covers are fixedly installed on two sides of the crusher shell, a first motor and a second motor are fixedly installed on the rear side of the crusher shell, bearing boxes are fixedly connected to output shafts of the first motor and the second motor, a first coupler is fixedly connected to output shafts of the two bearing boxes, main shafts of the two first couplers penetrate through the crusher shell to enter the crusher shell and are fixedly connected with a crushing mechanism, a support is fixedly installed on the front portion of the crusher shell, a stepping motor and a speed reducer are fixedly installed on the inner side of the support and are fixedly connected with each other, an output shaft of the speed reducer is fixedly connected with a second coupler, a main shaft of the second coupler penetrates through the crusher shell to extend to the inside of the crusher shell and is fixedly connected with a current adjusting baffle, and the electrical cabinet is fixedly arranged on the rear side of the crusher shell.

As the utility model discloses a preferred technical scheme, the regulator cubicle includes the switch board shell, fixed mounting has PLC controller, a current transmitter and No. two current transmitter in the inner chamber of switch board shell, the fixed rear side of locating the rubbing crusher shell of switch board shell.

As the utility model discloses a preferred technical scheme, current regulation baffle is located two rubbing crusher constructs's centre, current regulation baffle highly is located two rubbing crusher constructs's top, current regulation baffle is located this rubbing crusher feed inlet under, when the material is followed the feed inlet unloading, the majority can at first fall on current regulation baffle, current regulation baffle's deflection direction has decided the unloading volume of material to two crushing rooms, if for example current regulation baffle inclines to the left side, so the material just can be along current regulation baffle's slope to the landing of left side, then the indoor material volume of left side crushing increases, the load also improves thereupon, the material volume of opposite side reduces, the load also reduces.

As the utility model discloses an preferred technical scheme, a current transmitter and No. two current transmitter be connected with a motor and electricity respectively, a current transmitter and No. two current transmitter all are connected with the PLC controller electricity, the PLC controller is connected with the step motor electricity.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses an operating current of two electric motors of two electric current transducer real-time supervision, and with current value transmission PLC controller between them, PLC control carries out comparison and reachs two motor operation load sizes, direction of rotation and angle through comparative result control step motor, step motor rotates and can drive the rotation of current regulation baffle behind the reduction gear speed governing, the material regulation in two crushing rooms can be adjusted after the current regulation baffle takes place to deflect is balanced, the material balance in two crushing rooms of automatically regulated has been reached, two motor load balances have been maintained, crushing efficiency and quality have been improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a schematic view of the pulverizer housing of the present invention;

fig. 4 is a schematic view of the interior of the electrical cabinet of the present invention;

fig. 5 is a control flow chart of the present invention.

In the figure: 1. a shredder housing; 2. a side cover; 3. a first motor; 4. a bearing housing; 5. a first coupler; 6. a crushing mechanism; 7. a support; 8. a stepping motor; 9. a speed reducer; 10. a second coupler; 11. a current regulating baffle; 12. an electrical cabinet; 1201. a PLC controller; 1202. a current transducer; 1203. a second current transmitter; 1204. a control cabinet housing; 13. and a second motor.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1 to 5, the utility model provides a birotor rubbing crusher load balance automatic regulating apparatus, including rubbing crusher shell 1, rubbing crusher shell 1's both sides fixed mounting has side enclosing cover 2, rubbing crusher shell 1's rear side fixed mounting has motor 3 and No. two motor 13, the equal fixedly connected with bearing box 4 of output shaft of motor 3 and No. two motor 13, the equal fixedly connected with shaft coupling 5 of output shaft of two bearing box 4, the main shaft of two shaft coupling 5 passes rubbing crusher shell 1 and gets into rubbing crusher shell 1's inside and equal fixedly connected with rubbing crusher constructs 6, rubbing crusher shell 1's anterior fixed mounting has support 7, the inboard fixed mounting of support 7 has step motor 8 and reduction gear 9, step motor 8 and reduction gear 9 fixed connection, reduction gear 9's output shaft fixedly connected with No. two shaft couplings 10, the main shaft of No. two shaft couplings 10 passes rubbing crusher shell 1 and extends to rubbing crusher shell 1's inside and fixed connection 9 The rear side of the crusher shell 1 is fixedly provided with an electric cabinet 12.

The electrical cabinet 12 includes a control cabinet housing 1204, a PLC controller 1201, a first current transducer 1202 and a second current transducer 1203 are fixedly installed in an inner cavity of the control cabinet housing 1204, and the control cabinet housing 1204 is fixedly disposed at the rear side of the crusher housing 1.

The current adjusting baffle 11 is located between the two crushing mechanisms 6, the height of the current adjusting baffle 11 is located above the two crushing mechanisms 6, the current adjusting baffle 11 is located under a feeding hole of the crusher, most of materials can firstly fall onto the current adjusting baffle 11 when being fed from the feeding hole, the deflection direction of the current adjusting baffle 11 determines the feeding amount of the materials into the two crushing chambers, for example, if the current adjusting baffle 11 inclines to the left side, the materials can slide to the left side along the inclined surface of the current adjusting baffle 11, so that the material amount in the crushing chamber on the left side is increased, the load is also increased, the material amount on the other side is reduced, and the load is also reduced.

The first current transmitter 1202 and the second current transmitter 1203 are respectively electrically connected with the first motor 3 and the crushing mechanism 16, the first current transmitter 1202 and the second current transmitter 1203 are both electrically connected with the PLC 1201, and the PLC 1201 is electrically connected with the stepping motor 8.

The utility model discloses a theory of operation and use flow:

the first current transmitter 1202 and the second current transmitter 1203 can monitor the current of the two motors of the pulverizer in real time and transmit signals back to the PLC 1201, the PLC 1201 judges according to the operating current of the pulverizer, when the first motor and the second motor reach the current range of normal operation and are stable, an adjusting program is started, the current values of the two motors are compared, the rotating direction of the stepping motor 8 is controlled according to the comparison result, when the current difference value of the two motors is larger than a starting adjusting threshold value, the stepping motor 8 starts to be controlled to rotate by a specific angle according to the specific direction, the stepping motor 8 and the speed reducer 9 are installed on the support 7 and are connected with the current adjusting baffle plate 11 of the pulverizer through the second coupler 10, the stepping motor 8 rotates and drives the current adjusting baffle plate 11 to rotate after being subjected to speed regulation through the speed reducer 9, the current adjusting baffle plate 11 can adjust the balance of materials in two pulverizing processes after being deflected, therefore, the current values of the two motors are changed in a load adjusting mode, after adjustment is completed every time and a specific time interval is set, judgment, comparison and adjustment are carried out again until the current difference value of the two motors is lower than the stop adjustment threshold value.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. Birotor rubbing crusher load balance automatic regulating apparatus, including rubbing crusher shell (1), its characterized in that: the crusher comprises a crusher shell (1), a side outer cover (2) is fixedly installed on two sides of the crusher shell (1), a first motor (3) and a second motor (13) are fixedly installed on the rear side of the crusher shell (1), output shafts of the first motor (3) and the second motor (13) are fixedly connected with bearing boxes (4), output shafts of the two bearing boxes (4) are fixedly connected with a first coupler (5), main shafts of the two first couplers (5) penetrate through the crusher shell (1) to enter the crusher shell (1) and are fixedly connected with a crushing mechanism (6), a support (7) is fixedly installed on the front portion of the crusher shell (1), a stepping motor (8) and a speed reducer (9) are fixedly installed on the inner side of the support (7), the stepping motor (8) is fixedly connected with the speed reducer (9), and an output shaft of the speed reducer (9) is fixedly connected with a second coupler (10), the main shaft of the second coupling (10) penetrates through the crusher shell (1) to extend into the crusher shell (1) and is fixedly connected with a current adjusting baffle (11), and the rear side of the crusher shell (1) is fixedly provided with an electric cabinet (12).

2. The double rotor pulverizer load balance automatic regulating apparatus of claim 1, characterized in that: the electrical cabinet (12) comprises a control cabinet shell (1204), a PLC (programmable logic controller) 1201, a first current transmitter (1202) and a second current transmitter (1203) are fixedly installed in an inner cavity of the control cabinet shell (1204), and the control cabinet shell (1204) is fixedly arranged on the rear side of the crusher shell (1).

3. The double rotor pulverizer load balance automatic regulating apparatus of claim 1, characterized in that: the current regulation baffle (11) is positioned between the two crushing mechanisms (6), the height of the current regulation baffle (11) is positioned above the two crushing mechanisms (6), and the current regulation baffle (11) is positioned under the feeding hole of the crusher.

4. The double rotor pulverizer load balance automatic regulating apparatus of claim 2, characterized in that: the first current transmitter (1202) and the second current transmitter (1203) are electrically connected with the first motor (3) and the first motor (16) respectively, the first current transmitter (1202) and the second current transmitter (1203) are electrically connected with the PLC controller (1201), and the PLC controller (1201) is electrically connected with the stepping motor (8).

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