JP2021053566A - Oscillation type crusher and tooth interval acquisition method - Google Patents

Abstract

To enable reliable teeth interval adjustment work in consideration of possibility that a teeth interval does not change actually when an actuator is driven.SOLUTION: An oscillation type crusher includes a first tooth, a second tooth, an adjustment actuator, a toggle block, and a toggle plate. The second tooth is provided to oscillate and forms a crushing chamber between the first and second teeth. The adjustment actuator is driven to adjust an interval between the first tooth and the second tooth. The toggle block moves in a linear direction by driving of the adjustment actuator. The toggle plate is arranged between the toggle block and the second tooth. When the adjustment actuator is driven in a direction opposite from a direction of narrowing the interval between the first tooth and the second tooth, a member between the adjustment actuator and the toggle block can be separated relative to the other. A position detecting part that the oscillation type crusher includes detects a member, for example, that is fixed on the toggle block. According to the detected result, the interval between the first tooth and the second tooth is acquired.SELECTED DRAWING: Figure 3

Description

The present invention relates to a swinging crusher.

Conventionally, swing-type crushers for crushing objects to be crushed such as stone materials, waste materials, and massive furnace slags have been known. Patent Document 1 discloses this type of rocking crusher.

The jaw crusher disclosed in Patent Document 1 attaches a marker portion in a non-contact type position sensor to an end portion having a large amount of movement of the swing jaw, and swings based on the detection of the marker portion by the fixed detection portion on the main body frame side. The position of the jaw can be detected. Patent Document 1 states that the gap between the moving tooth and the immovable tooth can be estimated more appropriately by this configuration.

JP-A-2018-192457

Some oscillating crushers are equipped with an actuator for adjusting the tooth spacing so that the movable teeth can be moved closer to or further from the fixed teeth. A transmission member for transmitting the drive of the actuator is arranged between the actuator and the movable tooth. However, in the oscillating crusher, when the transmission members are only arranged so as to be in contact with each other (in other words, the transmission member can contact and push the other transmission member, but cannot pull it. If) there is. In this case, depending on the direction in which the actuator is driven to move the movable teeth, there may be a situation in which the movable teeth do not actually move, only a gap is formed between the transmission members. Therefore, even if the interdental space is intended to be adjusted, it may not be actually adjusted, and improvement has been desired from the viewpoint of certainty of adjustment.

The present invention has been made in view of the above circumstances, and an object of the present invention is to ensure that the tooth spacing does not actually change even if the actuator is driven in the swing type crusher. It is to enable adjustment work.

The problem to be solved by the present invention is as described above, and next, the means for solving this problem and its effect will be described.

According to the first aspect of the present invention, a swinging crusher having the following configuration is provided. That is, this swing type crusher includes a first tooth, a second tooth, an adjusting actuator, a toggle block, and a toggle plate. The second tooth is provided so as to be swingable and forms a crushing chamber between the second tooth and the first tooth. The adjusting actuator is driven to adjust the distance between the first tooth and the second tooth. The toggle block moves in a linear direction by driving the adjusting actuator. The toggle plate is placed between the toggle block and the second tooth. When the adjustment actuator is driven in a direction opposite to the direction in which the distance between the first tooth and the second tooth is narrowed, the driving force of the adjustment actuator is applied to the toggle plate between the adjustment actuator and the toggle block. It is possible that the transmission members for transmitting to are separated from each other. The rocking crusher includes a position detecting unit that detects the position of the toggle block, the toggle plate, a member fixed to the toggle block, or a member fixed to the toggle plate. The swing type crusher acquires the distance between the first tooth and the second tooth based on the detection result of the position detection unit.

As a result, even if the actuator is driven in the direction in which the tooth spacing is widened, but the tooth spacing does not change because the toggle block does not follow the movement, the position of the toggle block or the toggle plate can be adjusted. By substantially detecting it, the tooth spacing can be accurately obtained.

According to the second aspect of the present invention, the following method for acquiring the tooth spacing of the swing type crusher is provided. That is, the swing type crusher includes a first tooth, a second tooth, an adjusting actuator, a toggle block, and a toggle plate. The second tooth is provided so as to be swingable and forms a crushing chamber between the second tooth and the first tooth. The adjusting actuator is driven to adjust the distance between the first tooth and the second tooth. The toggle block moves in a linear direction by driving the adjusting actuator. The toggle plate is placed between the toggle block and the second tooth. When the adjustment actuator is driven in a direction opposite to the direction in which the distance between the first tooth and the second tooth is narrowed, the driving force of the adjustment actuator is applied to the toggle plate between the adjustment actuator and the toggle block. It is possible that the transmission members for transmitting to are separated from each other. In this tooth spacing acquisition method, the positions of the toggle block, the toggle plate, a member fixed to the toggle block, or a member fixed to the toggle plate are detected. Based on this detection result, the distance between the first tooth and the second tooth is obtained by calculation.

As a result, even if the actuator is driven in the direction in which the tooth spacing is widened, but the tooth spacing does not change because the toggle block does not follow the movement, the position of the toggle block or the toggle plate can be adjusted. By substantially detecting it, the tooth spacing can be accurately obtained.

According to the present invention, in the swing type crusher, it is possible to enable reliable interdental adjustment work in consideration of the possibility that the interdental space does not actually change even if the actuator is driven.

The perspective view which shows the overall structure of the jaw crusher which concerns on one Embodiment of this invention. Sectional view of Joe Crusher. The perspective view which shows the interdental adjustment mechanism. A block diagram showing an electrical configuration for the interdental adjustment work of a jaw crusher.

Next, an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing an overall configuration of a jaw crusher 1 according to an embodiment of the present invention. FIG. 2 is a cross-sectional view of the jaw crusher 1. FIG. 3 is a perspective view showing the interdental adjustment mechanism 20. FIG. 4 is a block diagram showing an electrical configuration of the jaw crusher 1 for interdental adjustment work.

The jaw crusher (oscillating crusher) 1 shown in FIGS. 1 to 3 is used as a primary treatment facility for crushing a crushed object such as rock, ore, concrete waste material, asphalt waste material, or massive furnace slag. ..

As shown in FIG. 1, the jaw crusher 1 includes a frame member (frame) 2, an eccentric shaft 3, a fixed tooth (first tooth) 6, a swing jaw 4, and a movable tooth (second tooth) 7. To be equipped with.

The frame member 2 substantially constitutes the exterior portion of the jaw crusher 1. The frame member 2 includes a pair of side walls 8. The two side walls 8 are arranged in parallel with each other spaced apart from each other.

A horizontally arranged eccentric shaft 3 is rotatably supported on the frame member 2. The eccentric shaft 3 is arranged so as to be bridged between the two side walls 8. A pulley 10 is fixed to one end of the eccentric shaft 3. A belt 11 is wound around the outside of the pulley 10. An output shaft of a prime mover (for example, an electric motor) (not shown) is connected to the eccentric shaft 3 via the belt 11. As a result, the eccentric shaft 3 can be rotationally driven.

A flywheel 12 is fixed to an end of the eccentric shaft 3 opposite to the pulley 10. Thereby, the rotation of the eccentric shaft 3 can be stabilized.

The fixing wall 9 is arranged so as to connect between the side walls 8 provided in the frame member 2. The fixing teeth 6 are fixed to the inner wall surface of the fixing wall 9.

The swing jaw 4 is a generally plate-shaped member, most of which is inserted between the two side walls 8. In the swing jaw 4, movable teeth 7 are attached to the portion inserted into the frame member 2. The upper portion of the swing jaw 4 is rotatably supported by an eccentric portion formed in the central portion of the eccentric shaft 3 in the longitudinal direction. With this configuration, when the eccentric shaft 3 rotates, the upper part of the swing jaw 4 is displaced so as to draw a circle with the eccentric amount as the radius around the rotation center of the pulley 10. As a result, the swing jaw 4 can be swung.

The movable tooth 7 is fixed to the swing jaw 4 so as to face the fixed tooth 6. Therefore, when the swing jaw 4 swings, the movable tooth 7 also swings with respect to the fixed tooth 6.

As shown in FIG. 2, a crushing chamber 5 which is a space for crushing the object to be crushed is formed between the fixed tooth 6 and the movable tooth 7. More specifically, the crushing chamber 5 is formed by being surrounded on four sides by a fixed tooth 6, a movable tooth 7, and a side wall 8. The crushing chamber 5 is open above and below. At least one of the fixed tooth 6 and the movable tooth 7 is arranged so as to be inclined so that the crushing chamber 5 becomes narrower as it goes downward.

When the object to be crushed is thrown into the crushing chamber 5 from above, the fixed teeth 6 and the movable teeth 7 act on the object to be crushed. As a result, a compressive force is applied to the crushed object, and the crushed object is crushed. The crushed object after crushing is discharged downward from the crushing chamber 5.

As shown in FIG. 2, the lower end of the swing jaw 4 is connected to the tip of a tension rod 15 which is an elongated member arranged so as to be downward-sloping or horizontal. The tension rod 15 is supported by the frame member 2 so as to be slidable in the longitudinal direction thereof.

A spring 16 is connected to the tension rod 15. The spring 16 urges the swing jaw 4 in a direction away from the fixed wall 9 (in other words, in a direction in which the movable tooth 7 is separated from the fixed tooth 6) via the tension rod 15.

A tension adjusting cylinder 17 is arranged on the side opposite to the swing jaw 4 with the spring 16 interposed therebetween. The tension rod 15 functions as a rod of the tension adjusting cylinder 17. When the tension adjusting cylinder 17 is operated, the spring 16 expands and contracts as the tension rod 15 advances or retracts from the tension adjusting cylinder 17. Thereby, the spring force that the spring 16 acts on the swing jaw 4 via the tension rod 15 can be changed.

The jaw crusher 1 includes an interdental adjusting mechanism 20 for adjusting the distance G1 formed between the fixed tooth 6 and the movable tooth 7. As shown in FIG. 3, the interdental adjustment mechanism 20 includes an interdental adjustment cylinder (adjustment actuator) 21, a wedge mechanism 22, a toggle block 23, a toggle plate 24, and a receiving block 25.

Two interdental adjusting cylinders 21 are provided corresponding to the side wall 8 included in the frame member 2. Each of the interdental adjusting cylinders 21 is arranged so that its expansion / contraction direction is substantially parallel to the eccentric axis 3. The pair of interdental adjusting cylinders 21 are arranged so as to sandwich the frame member 2 with their rods facing each other. Each interdental adjusting cylinder 21 is attached so as to be sandwiched between a pair of support brackets 27 fixed to the side wall 8. Each support bracket 27 is arranged so as to project horizontally outward from the side wall 8.

The wedge mechanism 22 is composed of two triangular blocks that are formed by diagonally dividing an elongated rectangle parallel to the eccentric axis 3. Each block is attached to a rod of the corresponding interdental adjustment cylinder 21. As shown in FIG. 2, in the frame member 2, a support wall 18 for receiving the wedge mechanism 22 is fixed between the two side walls 8. The wedge mechanism 22 is arranged between the support wall 18 and the toggle block 23.

The toggle block 23 is supported inside the frame member 2 so as to be slidable in a linear direction in a direction approaching and away from the fixed wall 9.

With this configuration, when the interdental adjustment cylinder 21 is driven in the extending direction, the blocks of the wedge mechanism 22 move relative to each other so as to strengthen the bite into each other. As a result, the toggle block 23 can be displaced by pushing it toward the side approaching the fixed wall 9 with a strong force, and the toggle plate 24 described later can be moved. Therefore, the rod of the interdental adjustment cylinder 21, the block of the wedge mechanism 22, and the toggle block 23 correspond to a transmission member for transmitting the driving force of the interdental adjustment cylinder 21 to the toggle plate 24.

The toggle plate 24 is arranged between the swing jaw 4 and the toggle block 23. The toggle plate 24 is formed in a flat plate shape. Considering a cross section of the toggle plate 24 cut in a vertical plane, both the end portion closer to the swing jaw 4 and the end portion closer to the toggle block 23 have a rounded shape (for example,). , Arc shape).

The end of the toggle plate 24 on the side closer to the swing jaw 4 faces the receiving block 25 fixed to the swing jaw 4. A shallow V-shaped groove is formed in a portion (toggle sheet) of the receiving block 25 that comes into contact with the toggle plate 24, and the end portion of the toggle plate 24 is inserted into the groove.

The end of the toggle plate 24 on the side far from the swing jaw 4 faces the toggle block 23. A shallow V-shaped groove is formed in a portion (toggle sheet) of the toggle block 23 that comes into contact with the toggle plate 24, and the end portion of the toggle plate 24 is inserted into the groove.

As a result, the movements of the receiving block 25 and the toggle block 23 can be linked while absorbing the difference in the moving directions of the receiving block 25 and the toggle block 23 by appropriately changing the posture of the toggle plate 24.

As shown in FIG. 3, side plates 31 are fixed to both side surfaces of the toggle block 23. Each side plate 31 is located close to the side of the toggle plate 24. As a result, it is possible to prevent the toggle plate 24 from being displaced in the lateral direction.

A target plate (detected member) 32 is fixed to the side plate 31 on one side. The target plate 32 passes through a through hole formed in the side wall 8 for passing the rod of the interdental adjusting cylinder 21, and projects outward from the side wall 8. The target plate 32 can slide in the same direction as the toggle block 23 slides.

A laser range finder (position detection unit) 35 is fixed to the side wall 8 on the side where the target plate 32 is arranged. The laser range finder 35 is arranged so that the optical axis of the detected light is substantially parallel to the sliding direction of the target plate 32. The laser range finder 35 can measure the distance to and from the target plate 32. Thereby, the displacement of the toggle block 23 when the interdental adjustment cylinder 21 is driven for adjusting the tooth spacing can be detected in a non-contact manner.

The urging force of the spring 16 acts on the swing jaw 4 via the tension rod 15. Therefore, the receiving block 25 at the bottom of the swing jaw 4 is pressed against the end of the toggle plate 24. Further, the toggle plate 24 is pressed against the toggle block 23 by being pressed by the receiving block 25. Therefore, the toggle plate 24 substantially connects the toggle block 23 and the receiving block 25. From this, it can be said that the position of the toggle block 23 or the toggle plate 24 substantially represents the position of the swing jaw 4 (in other words, the distance between the fixed tooth 6 and the movable tooth 7).

The jaw crusher 1 includes the computer 36 shown in FIG. The computer 36 is configured as a known computer including a CPU, ROM, RAM, and the like. The computer 36 is electrically connected to the laser rangefinder 35. The computer 36 is installed with software that performs a calculation process for converting the measurement result of the laser range finder 35 into the tooth spacing based on a preset relational expression. Thereby, the tooth spacing can be obtained by the calculation of the computer 36.

The tension adjusting cylinder 17 and the interdental adjusting cylinder 21 are connected to the hydraulic circuit shown in FIG. This hydraulic circuit includes a hydraulic pump 41 and a solenoid valve 42. The hydraulic pump 41 is driven by, for example, an electric motor to supply hydraulic oil to the hydraulic circuit. The solenoid valve 42 can switch the supply / stop of supply of hydraulic oil to the tension adjusting cylinder 17 and the interdental adjusting cylinder 21.

The jaw crusher 1 includes a camera 37. For example, as shown in FIG. 3, the camera 37 is installed below the jaw crusher 1 so that the lower surface of the jaw crusher 1 (specifically, the lower ends of the fixed teeth 6 and the movable teeth 7) can be photographed. Has been done.

Next, the interdental adjustment work using the interdental adjustment mechanism 20 will be described. In the present embodiment, the interdental adjustment work of the jaw crusher 1 can be performed remotely from a place physically separated from the jaw crusher 1 (specifically, the operation room of the factory).

More specifically, as shown in FIG. 4, a display 51 and a switch 52 are arranged in the operation room.

A computer 36 and a camera 37 are electrically connected to the display 51. The display 51 can display the tooth spacing output by the computer 36 in real time, and can display the image of the lower part of the crushing chamber 5 taken by the camera 37 in real time.

The switch 52 is electrically connected to an electric motor that drives the hydraulic pump 41. Therefore, the start / stop of the hydraulic pump 41 can be switched by operating the switch 52. Further, the switch 52 is electrically connected to the solenoid valve 42. Therefore, the tension adjusting cylinder 17 and the interdental adjusting cylinder 21 can be expanded and contracted by operating the switch 52.

After confirming that the jaw crusher 1 is stopped by an appropriate method, the operator in the operation room operates the switch 52 to instruct the operation of the hydraulic pump 41. When the start of the hydraulic pump 41 starts, the operator operates the switch 52 to switch the opening and closing of the solenoid valve 42, hydraulically drives the tension rod 15 of the tension adjusting cylinder 17 in the advancing direction, and the spring 16 has a natural length. It is in a state of becoming.

With the spring 16 having a natural length, the operator switches the opening and closing of the solenoid valve 42 by operating the switch 52 to hold the position of the tension rod 15 in the tension adjusting cylinder 17. After that, the operator switches the opening and closing of the solenoid valve 42 by operating the switch 52, and hydraulically drives the interdental adjustment cylinder 21 in a desired direction.

When the interdental adjusting cylinder 21 is driven in the advancing direction, the toggle block 23 is pushed diagonally downward via the wedge mechanism 22. The movement of the toggle block 23 is transmitted via the toggle plate 24 and the receiving block 25, and the swing jaw 4 rotates about the eccentric shaft 3 in the direction in which the movable tooth 7 approaches the fixed tooth 6. As a result, the distance between the fixed tooth 6 and the movable tooth 7 can be narrowed.

When the interdental adjustment cylinder 21 is driven in the retracting direction, the toggle block 23 is no longer pushed, so that the swing jaw 4 rotates in the opposite direction to the above. As a result, the distance between the fixed tooth 6 and the movable tooth 7 can be widened.

The target plate 32 is displaced as the toggle block 23 moves. The position of the target plate 32 is measured by the laser range finder 35, and the numerical value of the tooth spacing based on the measurement result is displayed on the display 51 in the operation room. Therefore, the operator can easily understand how wide the distance between the fixed tooth 6 and the movable tooth 7 is at present by referring to the position of the target plate 32.

By the way, in the wedge mechanism 22, only two triangular blocks are arranged so as to be in contact with each other, and the wedge mechanism 22 and the toggle block 23 are also arranged so as to be in contact with each other. Further, the spring 16 is substantially in a natural length state. Therefore, even if the interdental adjustment cylinder 21 is driven in the retracting direction, a gap is formed between the blocks of the wedge mechanism 22, or a gap is formed between the wedge mechanism 22 and the toggle block 23, and the toggle block 23 is formed. May not move (in this case, the tooth spacing does not change). In this respect, in the present embodiment, the laser range finder 35 does not detect the displacement of the rod of the interdental adjustment cylinder 21, but substantially detects the displacement of the toggle block 23. Therefore, the operator can easily grasp the situation where the toggle block 23 does not move even if the interdental adjustment cylinder 21 is driven in the retracting direction by the laser range finder 35, so that the interdental adjustment can be surely performed. it can.

The operator operates the solenoid valve 42 via the switch 52 while checking the numerical value of the tooth spacing and the image output by the camera 37 on the display 51, and appropriately adjusts the position of the rod in the interdental adjustment cylinder 21. To do. After confirming that the tooth spacing is a desired size, the operator switches the opening and closing of the solenoid valve 42 by operating the switch 52 to hold the position of the rod in the interdental adjustment cylinder 21.

The operator further operates the switch 52 to drive the tension adjusting cylinder 17 in the retracting direction. The operator operates the switch 52 to hold the position of the tension rod 15 in a state where the spring 16 applies a predetermined spring force to the swing jaw 4. Subsequently, the operator operates the switch 52 to stop the hydraulic pump 41. With the above, the interdental adjustment work is completed, and the jaw crusher 1 is in a state where it can be operated for crushing.

As described above, in the present embodiment, the inter-tooth adjustment work of the jaw crusher 1 can be performed remotely from the operation room while checking the size of the tooth spacing. As a result, significant labor saving in maintenance work can be realized.

As described above, the jaw crusher 1 of the present embodiment includes a fixed tooth 6, a movable tooth 7, an interdental adjusting cylinder 21, a toggle block 23, and a toggle plate 24. The movable tooth 7 is provided so as to be swingable and forms a crushing chamber 5 with the fixed tooth 6. The interdental adjustment cylinder 21 is driven to adjust the distance between the fixed tooth 6 and the movable tooth 7. The toggle block 23 moves in the linear direction by driving the interdental adjustment cylinder 21. The toggle plate 24 is arranged between the toggle block 23 and the movable tooth 7. When the interdental adjustment cylinder 21 is driven in the direction opposite to the direction in which the distance between the fixed tooth 6 and the movable tooth 7 is narrowed, the driving force of the interdental adjustment cylinder 21 is between the interdental adjustment cylinder 21 and the toggle block 23. The transmission members (for example, the blocks of the wedge mechanism 22 or the blocks of the wedge mechanism 22 and the toggle blocks 23) can be separated from each other. The jaw crusher 1 includes a laser range finder 35 that detects the position of the target plate 32 fixed to the toggle block 23. The jaw crusher 1 acquires the distance between the fixed tooth 6 and the movable tooth 7 based on the detection result of the laser range finder 35.

In the jaw crusher 1 of the present embodiment, although the interdental adjustment cylinder 21 is driven in the direction in which the tooth spacing becomes wider, the tooth spacing does not change because the toggle block 23 does not follow the movement. To be done. According to the configuration of the present embodiment, even in that case, the tooth spacing can be accurately obtained by substantially detecting the position of the toggle block 23.

Further, in the jaw crusher 1 of the present embodiment, the laser range finder 35 detects the position of the target plate 32 fixed to the toggle block 23.

If the position of the toggle plate 24 is detected, the posture of the toggle plate 24 changes in the process of interdental adjustment, so a complicated calculation is required to obtain the tooth spacing. At this point, by detecting the position of the toggle block 23 (in other words, the target plate 32) that moves in the linear direction, the distance between the fixed tooth 6 and the movable tooth 7 can be obtained by a simple process.

Further, in the jaw crusher 1 of the present embodiment, the laser range finder 35 is a non-contact type sensor.

As a result, mechanical wear is unlikely to occur, so that durability can be improved.

Further, the jaw crusher 1 of the present embodiment includes a frame member 2 for accommodating the movable teeth 7. The laser range finder 35 detects the position of the target plate 32 protruding from the side wall 8 of the frame member 2.

As a result, the target plate 32 can be easily arranged outside the frame member 2, and maintenance efficiency can be improved.

Further, the jaw crusher 1 of the present embodiment includes a camera 37 capable of photographing at least the movable teeth 7.

As a result, it is possible to specifically confirm how the tooth spacing changes from the camera image. Therefore, the tooth spacing can be adjusted accurately. Further, since the operator does not have to visually check the tooth spacing directly from below the jaw crusher 1, the work load can be significantly reduced.

Further, in the jaw crusher 1 of the present embodiment, the interdental adjustment cylinder 21 can be remotely driven. The result of acquiring the distance between the fixed tooth 6 and the movable tooth 7 is output to the operation room for remotely controlling the interdental adjustment cylinder 21.

This allows the operator to remotely adjust while checking the tooth spacing.

Although the preferred embodiment of the present invention has been described above, the above configuration can be changed as follows, for example.

In the above embodiment, the target plate 32 is attached to the side plate 31 fixed to the toggle block 23. However, the target plate 32 may be fixed directly to the toggle block 23.

The target plate 32 may be fixed directly or indirectly to the toggle plate 24.

The shape and the like of the target plate 32 can be arbitrarily changed as long as the position can be detected by the laser range finder 35. For example, it may be formed in a block shape instead of a plate shape.

The target plate 32 may be omitted. In this case, the laser range finder 35 may directly irradiate the toggle block 23 or the toggle plate 24 with the detection light to detect the position of the toggle block 23 or the toggle plate 24.

The laser rangefinder 35 may be mounted inside the frame member 2 instead of outside the frame member 2.

In order to detect the position of the target plate 32 and the like, another position detecting device can be used instead of the laser range finder 35. For example, the position of the target plate 32 or the like can be detected by using an ultrasonic range finder, a magnetostrictive range finder, or a combination of an image pickup device and an image recognition device. Further, for example, a contact-type position detecting device combining a rack and pinion and a potentiometer can be applied to the jaw crusher 1.

When the interdental adjusting cylinder 21 is driven in the retracting direction, the rod of the interdental adjusting cylinder 21 can be separated from the block of the wedge mechanism 22.

It is also possible to omit the wedge mechanism 22 and change the configuration so that the rod of the interdental adjustment cylinder 21 directly pushes the toggle block 23. In this case, the interdental adjustment cylinder 21 may be arranged so as to expand and contract in a direction parallel to the slide moving direction of the toggle block 23. The rod and toggle block 23 of the interdental adjustment cylinder 21 correspond to a transmission member for transmitting the driving force of the interdental adjustment cylinder 21 to the toggle plate 24.

The display 51 and the switch 52 may be installed near the jaw crusher 1. The camera 37 and the display 51 may be omitted.

1 Joe crusher (oscillating crusher)
2 Frame member (frame)
5 Crushing chamber 6 Fixed tooth (1st tooth)
7 Movable tooth (second tooth)
15 Tension rod 21 Tooth adjustment cylinder (adjustment actuator)
23 Toggle block 24 Toggle plate 32 Target plate (member fixed to the toggle block)
35 Laser rangefinder (position detector)
37 camera

According to the first aspect of the present invention, a swinging crusher having the following configuration is provided. That is, this swing type crusher includes a first tooth, a second tooth, an adjusting actuator, a toggle block, a toggle plate, and a frame . The second tooth is provided so as to be swingable and forms a crushing chamber between the second tooth and the first tooth. The adjusting actuator is driven to adjust the distance between the first tooth and the second tooth. The toggle block moves in a linear direction by driving the adjusting actuator. The toggle plate is placed between the toggle block and the second tooth. The frame accommodates the second tooth. When the adjustment actuator is driven in a direction opposite to the direction in which the distance between the first tooth and the second tooth is narrowed, the driving force of the adjustment actuator is applied to the toggle plate between the adjustment actuator and the toggle block. It is possible that the transmission members for transmitting to are separated from each other. The rocking crusher includes a position detecting unit that detects the position of the toggle block, the toggle plate, a member fixed to the toggle block, or a member fixed to the toggle plate. The position detection unit detects the position of a member protruding outward from the frame. The swing type crusher acquires the distance between the first tooth and the second tooth based on the detection result of the position detection unit.

As a result, even if the actuator is driven in the direction in which the tooth spacing is widened, but the tooth spacing does not change because the toggle block does not follow the movement, the position of the toggle block or the toggle plate can be adjusted. By substantially detecting it, the tooth spacing can be accurately obtained. In addition, maintenance efficiency can be improved.

According to the second aspect of the present invention, the following method for acquiring the tooth spacing of the swing type crusher is provided. That is, the swing type crusher includes a first tooth, a second tooth, an adjusting actuator, a toggle block, a toggle plate, and a frame . The second tooth is provided so as to be swingable and forms a crushing chamber between the second tooth and the first tooth. The adjusting actuator is driven to adjust the distance between the first tooth and the second tooth. The toggle block moves in a linear direction by driving the adjusting actuator. The toggle plate is placed between the toggle block and the second tooth. The frame accommodates the second tooth. When the adjustment actuator is driven in a direction opposite to the direction in which the distance between the first tooth and the second tooth is narrowed, the driving force of the adjustment actuator is applied to the toggle plate between the adjustment actuator and the toggle block. It is possible that the transmission members for transmitting to are separated from each other. In this tooth spacing acquisition method, the positions of the toggle block, the toggle plate, a member fixed to the toggle block, or a member fixed to the toggle plate are detected. In detecting the position, the position of the member protruding outward from the frame is detected. Based on this detection result, the distance between the first tooth and the second tooth is obtained by calculation.

As a result, even if the actuator is driven in the direction in which the tooth spacing is widened, but the tooth spacing does not change because the toggle block does not follow the movement, the position of the toggle block or the toggle plate can be adjusted. By substantially detecting it, the tooth spacing can be accurately obtained. In addition, maintenance efficiency can be improved.

Claims (7)

First tooth and
Swingable swing member and
A second tooth provided on the swing member and forming a crushing chamber between the swing member and the first tooth,
An adjustment actuator driven to adjust the distance between the first tooth and the second tooth,
A toggle block that moves in a linear direction by driving the adjustment actuator,
A toggle plate arranged between the toggle block and the second tooth,
With
When the adjustment actuator is driven in a direction opposite to the direction in which the distance between the first tooth and the second tooth is narrowed, the driving force of the adjustment actuator is applied to the toggle plate between the adjustment actuator and the toggle block. It is possible that the transmission members for transmitting to are separated from each other.
A position detecting unit for detecting the position of the toggle block, the toggle plate, a member fixed to the toggle block, or a member fixed to the toggle plate.
A swing-type crusher characterized in that the distance between the first tooth and the second tooth is acquired based on the detection result of the position detection unit. The rocking crusher according to claim 1.
The position detection unit is a swing-type crusher characterized by detecting the position of the toggle block or a member fixed to the toggle block. The rocking crusher according to claim 1 or 2.
The position detection unit is a swing type crusher characterized by being a non-contact type sensor. The rocking crusher according to any one of claims 1 to 3.
A frame for accommodating the second tooth is provided.
The position detection unit is a swing-type crusher characterized by detecting the position of a member protruding from the frame. The rocking crusher according to any one of claims 1 to 4.
A swing-type crusher including a camera capable of photographing at least the second tooth. The rocking crusher according to any one of claims 1 to 5, wherein the s
The adjustment actuator can be driven remotely and
A swing-type crusher characterized in that the result of acquiring the distance between the first tooth and the second tooth is output to the side for remotely controlling the adjusting actuator. First tooth and
A second tooth that is swingably provided and forms a crushing chamber between the first tooth and the second tooth.
An adjustment actuator driven to adjust the distance between the first tooth and the second tooth,
A toggle block that moves in a linear direction by driving the adjustment actuator,
A toggle plate arranged between the toggle block and the second tooth,
With
When the adjustment actuator is driven in a direction opposite to the direction in which the distance between the first tooth and the second tooth is narrowed, the driving force of the adjustment actuator is applied to the toggle plate between the adjustment actuator and the toggle block. In a swing-type crusher in which transmission members for transmitting to can be separated from each other.
The position of the toggle block, the toggle plate, a member fixed to the toggle block, or a member fixed to the toggle plate is detected.
A method for obtaining a tooth spacing of a swing-type crusher, which comprises obtaining the distance between the first tooth and the second tooth by calculation based on the detection result.

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