JPH04119560U - Collection device for crusher - Google Patents

Abstract

(57) [Summary] [Purpose] To automatically remove the finely crushed pieces while crushing the object to be crushed during crushing work. [Structure] At the tips of a pair of movable arms 10 that are pivotally supported on the frame 1, a fine crushing member 16 that is rotatably driven to crush or crush the material to be crushed is attached. A suction recovery machine 2 is installed near the crushing member 16.
A suction port 18b is provided at the tip of the collection duct 18, which is connected to the collection duct 18.
will be automatically collected.

Description

[Detailed explanation of the idea]

0001

[Industrial application field]

This idea is used when crushing objects such as buildings to be demolished using a crusher. The present invention relates to a recovery device for recovering finely crushed fragments, dust, etc.

0002

[Conventional technology]

Conventionally, the coarse pieces that were roughly crushed by a crusher are crushed into fine pieces by a small splitter. , the shredded pieces were removed from the working position after the work was done.

0003 In the case of the above-mentioned crushing work, the work efficiency is greatly improved due to the work of dividing into small pieces and removing debris. Problems such as deterioration in quality and the need for extra labor, as well as disposal of shredded pieces. There was a problem in that space was limited. The purpose of this invention is to solve the above problems and make the crushing work more efficient and labor-saving. It is something to do.

0004

[Means to solve the problem]

The recovery device for the crusher of the present invention is equipped with a pair of arms that crush objects to be crushed. The main part of the crushed crusher is the suction port at the tip of the recovery duct connected to the suction recovery machine. , has a configuration arranged to suck in finely crushed debris.

[0005]

[Effect]

When performing crushing work with a crusher equipped with a crushing arm, finely crushed fine particles are Debris, dust, and other debris are sent into the collection duct through the suction port located in the main part of the crusher. It is automatically sucked in and collected into a suction collection machine.

[0006]

[Effect of the idea]

Since the present invention is constructed as described above, it is possible to eliminate small pieces generated by the crushing operation. The collection duct automatically collects debris such as dust and removes it from the crushing work position. This eliminates the need to remove small pieces and dust after the object is crushed. This makes the crushing work more efficient and labor-saving, as well as This can prevent the scattering of small pieces and dust.

[0007]

【Example】

Next, a first embodiment of the present invention will be described with reference to FIGS. 1 to 3. It is attached to the power shovel S and moved to the crushing work position in order to crush the material to be crushed. In the dynamically controlled crusher A, the connection bracket 1 is attached to the power shovel S. It is connected to the tip of the arm S1 and the tip of the piston rod of the hydraulic cylinder S2. The upper end of the frame 3 is connected to the lower end of the connecting bracket 1 via a rotational connecting mechanism 2. It is.

[0008] The frame 3 includes an upper frame portion 4 having a pair of upper protruding edges 4a extending laterally on both sides of the lower end; A lower frame portion 5 with a pair of lower protruding edges 5a extending sideways on both sides of the lower end, and upper and lower protruding edges on both sides. It is formed by vibration isolating members 6, 6 made of elastic material sandwiched between 4a and 5a, respectively. , the upper and lower projecting edges 4a and 5a on both sides of the upper and lower frame parts 4 and 5 are provided with vibration isolating members 6 interposed therebetween. It is fastened with bolts 7 and nuts 8.

[0009] A pair of left and right movable arms 10, 10 are arranged opposite to each other at the lower end of the frame 3. is swung in the inward and outward directions through a pair of support shafts 9 horizontally suspended at the lower end of the frame 3. movably supported. A cutter 11 for cutting the object to be crushed is mounted near the center of both movable arms 10. They are installed facing each other.

0010 Main body portion 12a of the crushing cylinder 12 inserted into the upper frame portion 4 of the frame 3 The output shaft 15a of the vibration motor 15 attached to the side surface of the base end is connected to the output shaft 15a of the vibration motor 15. A directly connected vibration generating shaft 13 is rotatably supported, and the main shaft of the crushing cylinder 12 is The upper end of one movable arm is connected to the base end of the body 12a via the vibration shaft 13. The other movable arm 10 is attached to the tip of the piston rod 12b of the crushing cylinder 12. The upper end portions are connected via the connecting shaft 47, and the piston rod 12b moves forward and backward. At this time, both movable arms 10 swing in opposite directions.

[0011] The vibration generating shaft 13 has an eccentric portion 14 which is eccentric by an eccentric amount e with respect to its rotational axis a. The eccentric portion 14 is formed into a bearing hole 4 which is provided through the upper end of one of the movable arms 10. 8 so that it can freely rotate. This bearing hole 48 is formed by the eccentric rotation of the eccentric portion 14. The flat component is transmitted to the movable arm 10 so that the upper end of the movable arm 10 becomes eccentric to the eccentric part 14. The crushing cylinder 12 is formed in a vertically elongated shape so as to vibrate in the axial direction of the crushing cylinder 12 as it rotates. Ru.

0012 When the vibration motor 15 is driven to rotate and the vibration shaft 13 is rotated, one movable arm 10 vibrates in the swinging direction due to the eccentric rotation of the eccentric portion 14 of the vibration generating shaft 13. , the vibration movement of one movable arm 10 causes the crushing cylinder 1 to move to the other movable arm 10. 2, and both movable arms 10 are sandwiched within these two movable arms 10. The object to be crushed is vibrated in the direction of pinching and releasing the object, and a repeated impact action is applied to the object to be crushed. It will be done.

[0013] The lower ends of both movable arms 10 each have a large number of teeth 16a arranged in the circumferential direction. and centered on an axis parallel to the swing axis of the movable arm 10 via the support shaft 17 A gear-shaped shredding member 16 rotatably supported is attached to each. Both of these fine crushing members 16 are driven by motors 21 attached to both movable arms 10. The fine crushing members 16 are rotated in the opposite direction, and fine particles are removed from the walls and floors of the building by the rotation of both fine crushing members 16. You can scrape away debris and peel off the surface layer, or drill through holes in walls and floors. .

[0014] Near the teeth 16a of both fine crushing members 16 and mounted on the main body S3 of the power shovel S. There is a joint between the suction recovery machine 20 mounted thereon and having a suction pump and a recovery tank. The two movable arms 10 are bifurcated through the two movable arms 19 and are respectively inserted into the two movable arms 10. A pair of suction ports 18b at the tip are disposed near the teeth 16a of the fine crushing member 16. A collection duct 18 having branch pipes 18a, 18a is piped, and the teeth of both fine crushing members 16 The fine fragments and dust scraped off by the portion 16a pass through the suction port 18b to both branch portions 1. 8a and circulated through the recovery duct 18 into the recovery tank of the suction recovery machine 20. will be collected. The debris collected by the suction collector 20 is sent to a discharge duct connected to a collection tank. The liquid is discharged from the discharge port 22a at the tip of the tray 22 to the laying position.

[0015] Next, the operation and effects of the embodiment having the above configuration will be explained. During crushing work, both movable arms are operated with the vibration motor 15 and both motors 21 started. The material to be crushed is sandwiched between the arms 10 and the piston rod 12b of the crushing cylinder 12 is When the object is moved forward, the object to be crushed is pinched and crushed by both movable arms 10, and The object to be crushed is repeatedly impacted by the vibrating motion of both movable arms 10, and is further crushed into fine pieces. A scraping action due to the rotation of the member 16 is applied to the object to be crushed, and the object to be crushed is coarsely crushed. It is finely crushed or crushed into fine fragments or dust while being crushed. is sucked into the recovery duct 18 through the suction port 18b, and the recovery duct of the suction recovery machine 20 is is collected into the tank.

[0016] Therefore, the object to be crushed is subjected to the crushing force of the crushing cylinder 12 and the repeated impact of both movable arms 10. The crushing force combined with the striking force effectively crushes coarsely and finely crushes or powders in a short time. It can be crushed, eliminating the need for small-dividing work and improving crushing work efficiency. can.

[0017] In addition, the object to be crushed is roughly crushed and finely crushed by both movable arms 10, and both finely crushed parts While scraping off fine pieces and dust from the object to be crushed by the material 16, the fine pieces are scraped off. The particles and dust are automatically collected through the collection duct 18 by operating the suction collection machine 20. Since it can be removed from the crushing work position, debris such as small pieces and dust can be removed from the There is no need to remove the crushed material after crushing, making the crushing work more efficient and labor-saving. It is possible to prevent small pieces and dust from scattering around the crushing location. I can do that. In addition, the collected fragments and dust are laid down to make crushed stone and reused as road foundations. can be done.

[0018] Next, in the second embodiment shown in FIGS. 4 to 6, the connecting bracket 1B has a pair of left and right sides. The support part 31 having a wall and the fixed arm 32 having a serrated tooth part 32a are approximately A frame 3B connected in an inverted V shape is attached, and a horizontal frame 3B is attached near the tip of the support part 31. A long guide hole 31a is provided therethrough.

[0019] The vibration motor 15B is rotatably supported by the base end of the support portion 31 of the frame 3B. A gear-shaped vibration shaft 13B is rotatably driven in the counterclockwise direction as shown in the figure. The fine crushing member 16B of Eccentric portions 14B are formed on both sides of the fine crushing member 16B.

[0020] A movable arm facing the fixed arm 32 and connected to the support part 31 of the frame 3B A serrated tooth portion 10bB is located near the tip of the fixed arm 32 and is connected to the tooth portion 32a of the fixed arm 32. The movable arm 1 is formed such that the distance between the movable arm 1 and A protrusion 33 that is loosely inserted into the guide hole 31a of the frame 3B protrudes from both sides of 0B. Furthermore, a bearing hole 48B is provided through the base end of the support portion 31 of the movable arm 10B. The eccentric portion 14B of the vibration generating shaft 13B is fitted into the inside so as to be freely rotatable.

[0021] When the vibration motor 15B is rotationally driven to rotate the vibration shaft 13B, the fine crushing member 1 6B is rotationally driven, the vicinity of the bearing hole 48B of the movable arm 10B becomes an eccentric portion. The eccentric rotation of the vibration generating shaft 13B rotates half a rotation of the eccentric amount e around the rotation axis a of the vibration generating shaft 13B. The movable arm 10B moves in a circular motion along the radius, and the vicinity of the center of the movable arm 10B is guided by the guide hole 31a. The tooth portion 10bB moves forward and backward in the arrangement direction of the tooth portion 10bB, and the tooth portion 10bB performs a swinging motion and a back-and-forth motion. It vibrates with a compound motion that combines. Push frame 3B forward during crushing work Then, the object to be crushed gradually enters the deep part of the gap between the movable arm 10B and the fixed arm 32. While being coarsely crushed, it is finely crushed or pulverized by the fine crushing member 16B.

[0022] In the vicinity of the fine crushing member 16B, there is a suction installed in the main body S3 of the power shovel S. A suction port 18bB is provided at the tip of the recovery duct 18B connected to the recovery machine 20B. The fine fragments and dust scraped off by the fine crushing member 16B are collected through the suction port 18bB. It is sucked into the duct 18B and recovered into the recovery tank of the suction recovery machine 20B.

[0023] The other effects of the second embodiment are almost the same as those of the first embodiment. Therefore, its explanation will be omitted.

[Brief explanation of drawings]

FIG. 1 is a front view showing a crusher according to a first embodiment of the present invention.

FIG. 2 is a side view of a power shovel to which the crusher of the first embodiment is attached.

FIG. 3 is a sectional view taken along the line X1-X1 in FIG. 1;

FIG. 4 is a side view showing a crusher of a second embodiment.

5 is a sectional view taken along the line X2-X2 in FIG. 4. FIG.

FIG. 6 is a side view of a power shovel equipped with a crusher according to a second embodiment.

[Explanation of symbols]

10,10B Movable arm 16,16B Finely crushed member 18,18B Recovery duct 20,20B Suction recovery machine 18b, 18bB Suction port

Claims (1)

[Scope of utility model registration request] [Claim 1] A suction port at the tip of a recovery duct connected to a suction recovery machine is provided in a main part of a crusher equipped with a pair of arms for crushing objects to be crushed in order to suck in finely crushed pieces. A recovery device for a crusher characterized by: