JP2004105969A5

JP2004105969A5 -

Info

Publication number: JP2004105969A5
Application number: JP2004007322A
Authority: JP
Filing date: 2004-01-14
Publication date: 2005-05-26

Claims

In order to distinguish between pulverizable waste and non-pulverizable waste and generate information for the performance of the pulverization process, pulverization is performed in forward travel, and in the reverse operation, so-called reverse operation, the part that becomes an obstacle to waste In a method of automatically monitoring rotor blades to be sorted according to load,
According to the measured quantity (M1, M2), the magnitude of the increase rate of the machine load is detected as a gradient, on the basis of which the pulverizable waste and non-pulverizable waste are distinguished, and then in the case of pulverizable waste The machine drive continues, and when the pulverizable material is deposited, the drive reversal operation is first introduced, and then other operations for pulverization are introduced. The process is interrupted,
A method characterized by that.

Without reversal, the machine is continuously driven forward as the load increases from a standstill, so that the waste is finally crushed or (newly), the waste is not pulverizable and should be sorted The method according to claim 1, wherein the method is detected.

When the first measured quantity (M1), which is Pmax, is reached and waste that can be crushed has accumulated, first a drive reversal action is introduced, followed by a further action for grinding, If the second measured quantity (M2) is exceeded due to the presence of waste that cannot be pulverized after that, the pulverization process is interrupted first, waste that cannot be pulverized is removed, and then further driving is performed with a pulverization drive. The method according to claim 1, wherein:

a) At least two forces (F1, F2, F3, F4) corresponding to the machine load are derived from the machine, measured and evaluated,
b) when the adjustable measurand (M1, M2) is reached and / or exceeded, the kinematic sequence of the machine component system is changed,
c) the stress of at least one mechanical member is detected;
The method according to claim 1.

a) The force (F1) corresponding to the load of the rotor blade is derived, the force (F2) antagonizes the force, and the biasing force (F3) is superimposed on the force to form the buffering force (F4). ,
b) According to the measured quantities (M1, M2), the rate of increase of the machine load is detected, on the basis of which the pulverizable waste or non-pulverizable waste is distinguished, and then in the case of pulverizable waste If the machine drive continues and pulverizable material accumulates, first the drive reversal action is introduced, followed by other actions for pulverization, in the case of waste that cannot be crushed. First, the grinding process is interrupted,
c) the stress of at least one member of the grinding machine buffers shock-based or vibration-based loads caused by waste that cannot be ground in the grinding process, with guaranteed adjustable biasing in the buffer system. Is reduced by
d) an adjustable measurement related to the pressure is adjusted by the buffer;
The method according to claim 1.

2. The method according to claim 1, wherein in the case of waste that cannot be crushed, the grinding process is first interrupted before the nominal load is exceeded.

6. Method according to claim 5, characterized in that the adjustment of the bias is made according to the shape, size or material properties of the waste to be ground.

The method according to claim 1, wherein after the drive is stopped, a reversing operation is performed according to a defined value of a defined third measured quantity in order to remove waste that cannot be crushed.

The method according to claim 1, wherein after the reversing operation, at least one new evaluation for grinding is introduced and the removed waste is fed back into the grinding process.

6. A method according to claim 5, characterized in that at least one inversion of the drive is performed in conjunction with another subsequent grinding process.

11. A method according to claim 8 or 10, characterized in that the third measured quantity is formed according to the rotation angle of the unnamed main axis of the rotor blade.

11. A method according to claim 8 or 10, characterized in that the third measurement quantity is formed according to the interval / distance.

11. A method according to claim 8 or 10, characterized in that the third measured quantity is formed according to time.

9. The non-grindable waste is removed from the grinding process after removing non-grindable waste, according to a defined value of the unnamed fourth measured quantity. Method.

11. The waste is removed from the grinding process according to an adjustable number of grinding attempts if the drive is not successfully milled after reversing the drive a number of times. the method of.

A computer-aided program is used to exercise processing features according to a measure of machine load to control a kinematic sequence of a machine process, such as a milling process. 16. The method according to any one of 1 to 15.

Means for generating information for the sequence of the grinding process;
In order to distinguish between pulverizable waste and non-pulverizable waste, the rotor blades that pulverize in forward travel and sort out the obstacles of waste in reverse travel, the so-called reversal operation, are automatically monitored according to the load An apparatus for performing the method of claim 1.
The means detects the rate of increase of the mechanical load as a gradient according to the measured quantities (M1, M2) and distinguishes waste that can be crushed or cannot be crushed so that the kinematic sequence of driving the rotor blades Adjust,
A device characterized by that.

a) a first means for transmitting a force (F1) derived from the machine and corresponding to the machine load;
b) a second means for generating a force (F2) that antagonizes the force (F1);
c) a third means for transmitting an urging force (F3) derived from the urging force superimposed on the force (F2) and antagonizing the force (F1);
d) the plurality of means constitute a buffer system having a buffer force (F4) for generating a buffer decrement;
e) further comprising fourth means for generating measured quantities (M1, M2) for adjusting the kinematic sequence of the drive of the machine;
The apparatus of claim 17.

19. The device according to claim 18, which monitors the drive of a particularly hydraulically driven grinding machine, preferably a rotor blade.
a) a torque support (1), which is linked to the piston rod (2) of the hydraulic cylinder (3) and receives a force (F1) from the rotational movement of the grinding machine;
b) a spring (4) for generating a force (F2);
c) of the piston chamber or hydraulic cylinder (3) leading to a reservoir-shaped container (6), which can be selectively filled to ensure the respective required bias (base pressure) to ensure the bias. At least one hydraulic connection (5) between the piston chamber and the annular chamber;
d) a hydraulic connection between the piston chamber and the annular chamber of the piston chamber or hydraulic cylinder (3) leading to a supply system for adjusting the bias (base pressure);
e) At least one value (M1) by which at least one value changing the kinematic sequence of the milling machine is generated, and the first measurement quantity, irrespective of or in turn At least one sensor for generating a signal for transmission to an evaluation device for evaluating at least one other measured quantity (M2), which is differentiated automatically, said sensor interrupting the grinding process first A sensor that displays the sensor,
The apparatus according to claim 18.

In order to perform the reversing operation, the hydraulic cylinder is coupled with the torque support (1), and the stroke of the hydraulic cylinder can be adjusted according to the magnitude of the reversal angle of the rotor of the rotor blade, for example 30 ° -60 ° During the process, the pressure and / or suction conduits of the hydraulic drive are interrupted or the torque support (1) is connected to the rotor blade shaft in a friction and / or shape connection. Item 20. The device according to Item 19.

In the case of a rotor blade equipped with a drive device by a hydraulic motor (7), in order to measure the rising speed of the mechanical load, a pressure rise is detected and a time-differentiated measurement quantity (M1, M2) is generated. A pressure sensor (7.1) is provided, which is connected to the control device (7.2) in order to adjust the kinematic sequence of the rotor blades The apparatus of claim 17.

In the case of a rotor blade, at least one measuring element (1.1, 1.3) for measuring the mechanical load is attached to the torque support (1) and a measuring amplifier (1.2, 1.4) The device according to claim 17, wherein the device is connected.

A method of automatically monitoring a rotor blade type pulverizer, recording a machine-related measurement amount of the pulverizer, and creating information for protecting the pulverizer from the measurement amount record,
  The crusher is
  A hydraulic motor (7) for driving the rotor blade;
  A torque support member (1) having one end attached to the hydraulic motor (7);
  A torque support receiving member arranged to be pressed at the other end of the torque support member (1);
  Means for measuring a parameter that changes according to the load of the hydraulic motor,
  In accordance with at least one measured quantity (M1, M2) generated based on the detected value of the means for measuring the parameter, as a dependent quantity, a gradient of the rising speed of the mechanical load resulting from the functional operation of the crusher is obtained. Detecting the mechanical load from the gradient of the rising speed of the mechanical load;
  Controlling the crusher based on the detected machine load,
  A method characterized by that.

The torque support receiving member is a hydraulic cylinder (3) having a piston rod (2), and the piston rod (2) is disposed on the other end of the torque support member (1) via a spring (4). Connected,
  The hydraulic cylinder (3) is connected to the oil tank (6) via the hydraulic connection (5), and the oil tank (6) maintains a basic pressure that antagonizes the force acting via the torque support member (1). To be selectively filled with oil,
  The parameter is the hydraulic pressure at the hydraulic connection (5),
  The means for measuring the parameter is a sensor for measuring the hydraulic pressure in the hydraulic connection (5).
  24. The method of claim 23.

The torque support receiving member is immovably fixed, and the other end of the torque support member (1) is connected to the member,
  The parameter is the expansion and contraction of the surface of the torque support member (1),
  The means for measuring the parameter is a strain gauge (1.1) attached to the surface of the torque support member (1).
  24. The method of claim 23.

The torque support receiving member is immovably fixed, and the other end of the torque support member (1) is connected to the member,
  The parameter is a force with which the torque support member (1) presses the torque support receiving member,
  The means for measuring the parameter is a compression gauge (1.3) interposed between the other end of the torque support member (1) and the torque support receiving member.
  24. The method of claim 23.

The torque support receiving member is immovably fixed, and the other end of the torque support member (1) is connected to the member,
  The parameter is a hydraulic pressure generated by a hydraulic pump (9) that supplies hydraulic pressure to the hydraulic motor (7),
  The means for measuring the parameter is a hydraulic sensor (7.1) provided in a hydraulic supply line from the hydraulic pump (9) to the hydraulic motor (7).
  24. The method of claim 23.

A rotor blade type crusher,
  A hydraulic motor (7) for driving the rotor blade;
  A torque support member (1) having one end attached to the hydraulic motor (7);
  A torque support receiving member arranged to be pressed at the other end of the torque support member (1);
  Means for measuring a parameter that changes according to the load of the hydraulic motor,
  In accordance with at least one measured quantity (M1, M2) generated based on the detected value of the means for measuring the parameter, as a dependent quantity, a gradient of the rising speed of the mechanical load resulting from the functional operation of the crusher is obtained. , Detecting the mechanical load by the gradient of the rising speed of the mechanical load,
  A crusher characterized in that the crusher is controlled based on the detected mechanical load.

The torque support receiving member is a hydraulic cylinder (3) having a piston rod (2), and the piston rod (2) is disposed on the other end of the torque support member (1) via a spring (4). Connected,
  The hydraulic cylinder (3) is connected to the oil tank (6) via the hydraulic connection (5), and the oil tank (6) maintains a basic pressure that antagonizes the force acting via the torque support member (1). To be selectively filled with oil,
  The parameter is the hydraulic pressure at the hydraulic connection (5),
  The means for measuring the parameter is a sensor for measuring the hydraulic pressure in the hydraulic connection (5).
  The pulverizer according to claim 28.

The torque support receiving member is immovably fixed, and the other end of the torque support member (1) is connected to the member,
  The parameter is the expansion and contraction of the surface of the torque support member (1),
  The means for measuring the parameter is a strain gauge (1.1) attached to the surface of the torque support member (1).
  The pulverizer according to claim 28.

The torque support receiving member is immovably fixed, and the other end of the torque support member (1) is connected to the member,
  The parameter is a force with which the torque support member (1) presses the torque support receiving member,
  The means for measuring the parameter is a compression gauge (1.3) interposed between the other end of the torque support member (1) and the torque support receiving member.
  The pulverizer according to claim 28.

The torque support receiving member is immovably fixed, and the other end of the torque support member (1) is connected to the member,
  The parameter is a hydraulic pressure generated by a hydraulic pump (9) for supplying hydraulic pressure to the hydraulic motor (7),
  The means for measuring the parameter is a hydraulic sensor (7.1) provided in a hydraulic supply line from the hydraulic pump (9) to the hydraulic motor (7).
  The pulverizer according to claim 28.