JPS62160312A - Dust cleaner - Google Patents

Abstract

PURPOSE:To simplify the elevating mechanism of rake of a dust cleaner by a method in which a guider is connected in a tilting manner to a supporter set on the ground, and a vertically movable arm having a lower end rake is set in a slidable manner to the guider. CONSTITUTION:A guider 6 is attached through a shaft 7 to a supporter 4 set on the ground in such a way as to enable the guider 6 to move in a tilting manner by an oil-pressure cylinder 8 set between the supporter 4 and the shaft 7. A vertically movable arm 10 is thrust through the guider 6 and vertically moved by a drum 12 and a wire 13, and a rake 14 to be touched by a screen 2 is attached to the lower end of the arm 10. The elevating mechanism of the rake 14 can thus be simplified.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention is a dust remover that uses a rake to scrape up and remove dirt, dust, etc. stuck to a screen in a waterway, etc., and in particular, a dust remover that uses a rake that can be lifted up and down to be suspended by an elevating arm. The present invention relates to a dust remover that removes dust by lifting and lowering the rake while holding the screen and moving it up and down along the screen surface.

[Related techniques - WI and its problems]

Conventional dust removers of this type have multiple unit pipes made of square steel pipes connected telescopically, and one fulcrum is the upper unit pipe of the telescopic pipe, which can be expanded and contracted in the axial direction by a hydraulic cylinder installed inside. Supported at; A dirt scooping member is attached to the lower end of the unit pipe, and the rake is raised and lowered along the screen surface via the telescopic pipe by the operation of the fluid pressure cylinder installed inside the unit pipe. Japanese Utility Model Publication No. 56-21860 discloses a device that removes dust by lifting and lifting a dust scooping member by operating a fluid pressure cylinder provided at the lower end. However, since it is necessary to connect multiple unit pipes in a telescopic structure, the overall structure becomes complicated, including multiple stages of hydraulic cylinders, resulting in problems in terms of cost. Because the cylinder must be submerged in water,
The problem is that dust and other substances tend to adhere to the cylinder and rust easily occurs.

[Purpose of the invention]

The present invention has been made in view of the above circumstances, and has a relatively simple structure of an elevating arm and its elevating/lowering operating part, and uses an elevating operating part disposed above the water level to remove dust, etc. caught on the rake. The purpose is to provide a dust remover that can discharge dust.

[Structure of the invention]

In order to achieve the above object, the present invention includes a guide part connected to a support body so as to be able to move up and down, an elevating arm that is slidably disposed through the guide part, and a lift arm that is movable up and down at the tip of the up and down arm. A rake provided above the water level of the elevating arm and a rake elevating/elevating unit provided above the water level of the elevating arm and connected to the rake.

[Embodiments of the invention]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

1 to 6 show a first embodiment, in which an inverted-shaped support 4 is provided on a pedestal 3 on the downstream side of a screen 2 installed obliquely in a waterway 1, and the upper end of this support 4 The upper side of a cylindrical guide part 6 having a pair of left and right guide rails 5, 5a is provided so as to be rotatable in the front and rear directions by a shaft support 7, and the lower side of the guide part 6 and the support body 4 are capable of being moved upwardly and downwardly. The cylinder 8a is connected to the support body 4 side, and the piston 8b is connected to the guide part 6 side by a hydraulic cylinder device 8.
, 9a. As shown in FIGS. 1 and 4, a frame-shaped elevating arm 1o passes through the guide portion 6 and is disposed to be slidable along the guide rails 5, 5a. A wire drum 12 equipped with a driver 11 is installed in the guide section 6, and one end of a wire 13 wound around the wire drum 12 is connected to the top end of the lifting arm 10.

A protrusion 15 provided on the back of the rake 14 is provided at the tip of the elevating arm 10 so as to be rotatable in the front and rear directions by a shaft support 16. A hydraulic cylinder device 18, which is a rake elevating/elevating operating section, is disposed on the proximal end side of the groove 17 of the frame-shaped elevating arm 10, the cylinder 18a of which is connected to the elevating arm 10, and the piston 18b as shown in FIG. As shown in FIG. 3, it is slidable along the left and right sides 10a of the lifting arm 10 and connected to a sliding member 19 fitted in a groove 17. This sliding member 19 is shown in FIGS. 1 and 5.

As shown in FIG. 6, the tip side of the lifting arm 10 is connected to a sliding member 19a slidable along the left and right side parts 10a and fitted in the groove 17 by a rod 20, and this sliding member 19a and The protrusion 15 of the rake 14 and the rod 21
The two ends thereof are connected by pivot portions 22 and 228 via. Therefore, by rotating the driving machine 11, the wire drum 1
2 winds up the wire 13 and raises the elevating arm 10 along the guide rails 5, 5a of the guide section 6, the rake 14 rises along the upstream side of the screen 2 and removes the dust etc. caught on the screen 2. Raise up. After the rake 14 rises to above the screen 2, the hydraulic cylinder device 8, which is the elevation operating section, is actuated to move the guide section 6 to the pivot support 7.
The rake 14 rotates rearward around the mount 3 ([t
When the rake is pulled into position D and the hydraulic cylinder device 18, which is the rake elevating/elevating operating section, is operated, the sliding members 19 and 198 connected via the rod 20 rise along the left and right side portions 10a of the lifting arm 10. The rake 14, which is connected to the sliding member 19a via the sliding member 19a, rotates forward about the shaft support 16 to discharge dust.

As described above, in the above embodiment, the lifting arm 10 is configured to pass through the guide part 6 which is connected to the support body 4 so as to be capable of raising and lowering, and to move up and down along the guide part 6. Because a single lifting arm 10 is sufficient without the need for a plurality of unit pipes, and a single wire drum 12 is required without the need for a complex telescopic structure connection or multiple stages of fluid pressure cylinders. ,5
4a is simple and cost effective. Further, a hydraulic cylinder device 18 which is a rake elevation operating section is connected to the lifting arm 1.
The rake 14 is arranged at a position above the water level of 0, and is configured so that the rake 14 can be moved up and down by the operation of the hydraulic cylinder device 18 via the rods 20, 21 and the sliding members 19, 198. The device 18 does not sink into the water, and therefore problems such as dust or the like adhering to the hydraulic cylinder device 18 or rust can be prevented. In this case, in the above embodiment, the sliding members 19, 1
98 in Figure 3.

As shown in FIG. 6, the case is shown in which the elevating arm 10 is fitted into the groove 17 along the left and right side portions 10a, but as shown in FIGS.
As shown in the figure, guide rails 23, 23a are formed protrudingly on the inner wall surfaces of the left and right side parts 10a of the lifting arm 10, and sliding members 19, 19 are slid along the guide rails 23, 23a.
8 may be made slidable and a bottom bag may be placed in the groove 17.

FIGS. 9 and 10 show a second embodiment, which will be described using the same reference numerals for the same parts as in the above-mentioned actual/Q example.

Further, a guide part 6 connected to the support body 4 so as to be able to move up and down;
I' of the hoisting portion of the lifting arm 10 by the wire drum 12
The structure is the same as in the above embodiment, so the explanation will be omitted.

Elevating arm and rake (fil ('l:l) In lateral movement, an elevating arm 31 made of a square steel tube is slidably penetrated through the cylindrical guide portion 6, and the elevating arm 31
On the upper end side, a hydraulic cylinder device 18 which is a rake elevating and elevating operating part is installed, and its cylinder 18a is connected to the elevating arm 31.
The piston 18b is connected to a sliding member 32 disposed inside the lifting arm 31 so as to be slidable along the inner circumferential wall surface of the lifting arm 31. This sliding member 32 is connected by a rod 20 to a sliding member 32a disposed within the lifting arm 31 so as to be slidable along the inner circumferential wall surface on the distal end side of the lifting arm 31. -' 21, it is connected to the protrusion 15 of the rake 14, which is rotatably provided at the tip of the lifting arm 31 by a shaft support 16, in the same manner as in the above embodiment. In this case, a guide groove 33 is formed in the longitudinal direction of the lifting arm 31 made of a square steel tube so that the sliding member 32a and the pivot portion 22 of the rod 21 can be moved.

Therefore, when the hydraulic cylinder device 18, which is the rake elevation operating section, is operated, the sliding members 32, 32a connected via the rod 20 move through the guide groove 33 to the elevating arm 3.
1, the rake 14 connected to the sliding member 32a via the rod 21 rotates forward about the shaft support 16 to discharge dust.

In this way, in the above embodiment, the hydraulic cylinder device 18, which is the rake elevating/elevating operating part, does not sink into the water, and therefore, the problem of dust adhering to the hydraulic cylinder device 18 or rust occurring is avoided in the first embodiment. This can be prevented in the same way as the 1+TIi example.

11 and 12 show a third embodiment, and the same parts as in the first embodiment will be described using the same reference numerals. Further, the structure of the guide portion 6 connected to the support body 4 so as to be able to move up and down is the same as that of the above embodiment, and therefore the explanation thereof will be omitted. In the structure of the elevating arm's elevating part and the rake elevating actuating part, a rod-shaped elevating arm 10 is slidably penetrated through the cylindrical guide part 6, and a protrusion 1 of a rake 14 is attached to the tip of the elevating arm 10.
5 are connected by a shaft support 16 so as to be rotatable in the front and rear directions. Racks 41° 418 are provided in the longitudinal direction on the upper surfaces of the left and right side portions 10a of the lifting arm 10, respectively, and pinions 42, 42a meshing with the racks 41° 418 are pivotally supported on the guide portion 6 by bearings 43, A driving machine 45 provided in the guide portion 6 is connected to the rotating shaft 44 of the pinion 42.degree. 42a. Groove 1 of the frame-shaped lifting arm 10
Sliding members 19, 198 connected by a rod 20 are fitted on the upper and lower sides of the rod 20 so as to be slidable along the left and right side parts 10a, and a rack 46 is provided on the upper surface of the rod 20 in the length direction.
A pinion 47 that meshes with the rank 46 is pivotally supported by the guide section 6 via a bearing 48, and a rotation shaft 49 of the pinion 47 is connected to a drive machine 50 provided in the guide section 6.
It is connected with. Further, the sliding member 19a is connected to the protrusion 15 of the rake 14 via a rod 21. Therefore, the driving machine 45 is rotated to rotate the pinion 42.42a, and the pinion 42, 42a and the rack 41, 41a are engaged to move the lifting arm 10 to the guide rail 5 of the guide section 6.
When the rake 14 is raised along the screen 2
The screen 2 rises along the upstream surface of the screen 2 and scrapes up the dust and the like caught on the screen 2. After the rake 14 rises above the screen 2, when the driver 50, which is the actuating part of the head 1f11, is rotated, the pinion 47 rotates, and the pinion 47 and the rack 4 are rotated.
6 through the sliding members 19, 19a.
0 rises, the rake 14 rotates forward about the shaft support 16 via the rod 21 to discharge the dust.

As described above, in the above embodiment, the lifting arm 10 passes through the guide part 6 which is connected to the support body 4 so as to be able to move up and down, and along the guide part 6, the pinion 42, 42a is moved.
Since it is configured to be lifted and lowered by engaging the rack 41 and the rack 41, 41a, a single lifting arm 10 is required instead of multiple unit tubes as in the conventional case, and it is possible to connect a complex telepic structure and multiple units. It does not require staged hydraulic cylinders and has a simple rack and pinion structure, which is cost effective. Furthermore, the rack 4 which is the rake depression 1rl1 operating part
6. Since the pinion 47 and the driver 50 are arranged above the water level of the lifting arm 10, the rack 46.
It is possible to prevent problems such as adhesion of dust or the like to the binion 47 or generation of rust.

It should be noted that the present invention is not limited to the above-mentioned embodiments, and the elevating/lowering operating section may have a chain, sprocket structure, etc. in various modifications within the scope of the gist of the present invention.

〔Effect of the invention〕

The present invention includes a guide portion connected to a support body so as to be able to move up and down;
an elevating arm that is slidably disposed through the guide portion; a rake that is provided at the tip of the elevating arm so that it can be lifted up and down; and a rake that is provided above the water level of the elevating arm and connected to the rake. Since it is equipped with a rake elevating operation part, it has a relatively simple structure of the elevating arm and its elevating actuating part, and the dirt, etc. caught on the rake is discharged by the elevating actuating part disposed above the water level. We can provide a dust remover that can

[Brief explanation of drawings]

Figures 1 to 6 show the first embodiment; Figure 1 is an overall front view, Figure 2 is a partially cutaway side view, and Figure 3 is a line taken along line A-A in Figure 1.
4 is an enlarged sectional view taken along line B-B, FIG. 5 is an enlarged sectional view taken along line C-C, FIG. 6 is an enlarged sectional view taken along line DD, FIG. FIG. 8 shows a modification of the first embodiment;
The figure is an overall front view, FIG. 8 is a large sectional view taken along the line EE in FIG. 7, FIGS. 9 and 10 show the second embodiment, FIG. 9 is an overall front view, and FIG. 11 and 12 show a third embodiment, FIG. 11 is an overall front view, and FIG. 12 is a partially cutaway side view. 2. Screen 4. Support 6. Guide part 1
0.31... Lifting arm 14... Rake 18.50... Rake elevation operation part

Claims (1)

[Claims] A dust remover that removes dust by lifting and lowering a rake by lifting it up and down along the screen surface by suspending a liftable rake by a lifting arm, and which includes a guide part that is connected to a support so that the rake can move up and down, and a guide part that penetrates the guide part. an elevating arm disposed to be slidable, a rake provided at the tip of the elevating arm so as to be able to be raised and lowered, and a rake elevating and elevating unit provided above the water level of the elevating arm and connected to the rake. A dust remover characterized by comprising: