JPH0663105U - Sludge attracting device - Google Patents

Abstract

(57) [Abstract] [Purpose] It is to provide an inexpensive device that is extremely simple in structure and matches the convenience of the user. [Structure] The guide is assumed to be a single track type.
First, the bottom of the pond itself was formed in a single track. Secondly, the guide is projected to the bottom of the pond, and the actuating body is reciprocated along the guide by the screw means.
Thirdly, a swing cylinder is used to move the actuating body and is driven by an interlocking member such as a chain. Fourthly, the guide is configured so as to project to the bottom of the pond and to move the operating body across the pond, and the scraping plate is configured to be replaceable. Fifth, the scraping plate is of a circulating drive type.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a sludge attracting device.

[0002]

[Prior art]

 In the first or final settling pond, sludge is settled on the bottom of the pond, and it is scraped to one side of the pond and discharged outside the pond.

[0003]

[Problems to be solved by the device]

 One of them is a chain drive system. This system consists of multiple rotating shafts with their axes oriented in the width direction of the pond, sprockets mounted around each rotating shaft, and two left and right chains hung through these sprockets. Is equipped with. The device is driven by using some or all of the flights attached to the chain at certain intervals to scrape and remove sludge at the bottom of the pond. According to this method, maintenance costs are high and the economy is poor.

On the other hand, there is a system of reciprocating the pond bottom instead of a circulation system. This is a long guide provided on the bottom of the pond, an operating body that moves along this guide, a drive means (rope, etc.) for reciprocating the operating body, and a scraper attached to the operating body. A sludge board is provided so that sludge settling at the bottom of the treatment pond is scraped in at least one direction by the movement of the scraper board and removed outside the pond.

This has the following drawbacks. Since the guide was a left-right two-way system that was separated in the pond width direction, not only the guide and its mounting device, but also a large actuating body that straddled between these guides was required, making it a very large and expensive device. It was

[0006]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, the invention according to claim 1 is provided with a guide that is long provided on the bottom of the pond, and a scraping unit that scrapes sediment on the bottom of the pond toward the pit. In a sludge attracting device equipped with an actuating body that moves along a guide and a driving means that moves the actuating body, the guide is a single track type and a pond bottom shape such as a V or U type is specified. When formed, the actuating body includes a portion adapted to the guide, the scraping means is constituted by a front surface of the actuating body itself, and the driving means is constituted by a wire, a chain, a screw shaft, or the like. The feature is that According to a second aspect of the present invention, there is provided a guide long on the bottom of the pond, and a moving member which is provided with a scraping means for scraping sediment on the bottom of the pond toward the pit and which linearly reciprocates along the guide. In the sludge attracting device provided with the driving means for moving the operating body, the guide is provided integrally or separately so as to project to the bottom of the pond with a single track, and one guide means is provided in the vicinity of the guide. A screw shaft as a part is provided along the longitudinal direction of the guide, and the screw shaft is configured to be rotationally driven by a transmission from Lake Ikegami, and the actuating body is screwed onto the screw shaft. It is configured to move back and forth by the rotation of the screw shaft, and the scratching means is provided so as to project laterally from the actuating body and is configured to move along the pond bottom. Characterize. According to a third aspect of the present invention, there is provided a guide long provided on the bottom of the pond, and an operating body which includes a scraping plate for scraping sediment on the bottom of the pond toward the pit and which linearly reciprocates along the guide. In the sludge attracting device provided with a driving means for moving the actuating body, the guide is integrally or separately provided so as to project to the pond bottom in a single track, and the actuating body straddles the guide. The driving means includes a swing cylinder that has a base portion at a position above the actuating body and has a tip end coupled to the actuating body and can swing back and forth and expand and contract. It is characterized in that it is equipped with a wheel attached to it, an interlocking member such as a chain that hangs on the same wheel and is also hung on other wheels provided on the pond to make a circular motion, and a drive source. . According to a fourth aspect of the present invention, there is provided a guide which is long on the bottom of the pond, and a scraping plate which scrapes sediment on the bottom of the pond toward the pit, and which moves linearly back and forth along the guide. In the sludge attracting device provided with a driving means for moving the actuating body, the guide is integrally or separately provided so as to project to the pond bottom in a single track, and the actuating body straddles the guide. A hollow vertical column is provided above the actuating body to extend above the surface of the water to seal the water. A wheel provided inside, another wheel provided at the upper part of the vertical column, a drive source provided at the upper part of the vertical column, and one end fixed near one end of the guide. From the top of the vertical pillar It is provided with an interlocking member such as a wire or a chain that is guided from the wheel to the pond over the guide through the wheel in the actuating body through the wheel and near the other end of the guide. It is characterized in that it is constructed so that the actuator with a vertical column can be lifted above the pond. According to a fifth aspect of the present invention, a long single-track guide fixed in a state of floating above the bottom of the pond, wheels provided at both ends of the guide, and a drive for rotating this wheel. Means, an interlocking member that wraps vertically around the outer circumference of the guide through the wheel, an actuating member that is attached to the outer circumference of the interlocking member and that is guided by the guide to orbit, and this actuating member. It is characterized by having an attached scraping board.

[0007]

[Action]

 Since the guide is a single track type as in the solution means, the structure is very simple and the construction is easy, and an inexpensive apparatus as a whole can be provided.

[0008]

【Example】

 Hereinafter, the present invention will be described in detail with reference to the illustrated embodiments. FIG. 1 shows an embodiment of the sludge attracting device described in claim 1. In this embodiment, 1 is a sedimentation basin, and at the bottom of the sedimentation basin 1, a single track type, integral guide 2 is provided long. This guide 2 is substantially V-shaped. The guide 2 is also provided with a V-shaped actuating body 3 so as to be guided by rollers 4 provided on the surface of the guide 2.

The actuating body 3 is a heavy object, and is provided with locking hooks 5 at the front and rear thereof, and a driving means, which is a wire 6, is hooked on the locking hooks 5 so that the actuating body 3 can be reciprocally pulled. This pulling motion is driven from Ikegami by a sprocket and a motor.

The front surface of the actuation body 3 is itself a scratching surface 3 a. Then, when the actuation body 3 moves in one direction, the precipitate is scraped in the direction of the pit (not shown), and the precipitate is removed by the pump out of the system. The drive means is composed of a chain or a screw shaft in addition to the wire 6.

FIG. 2 shows another embodiment of the sludge attracting device according to the first aspect. In this embodiment, the guide 8 is U-shaped and the operating body 9 is cylindrical. The front surface of the operating body 9 is a round-shaped scraping surface 9a.

FIG. 3 shows an embodiment of the sludge attracting device described in claim 2. Reference numeral 10 denotes a sedimentation basin. The sedimentation basin 10 has a bottom inclined left and right, and a projecting guide 11 is integrally formed in a single track type (or a separate rail) in the center thereof. The guide 11 is provided with a U-shaped actuating body 12 so as to straddle it. The operating body 12 is provided with rollers 13 ... By this, it is possible to reciprocate back and forth.

On both sides of the actuating body 12, the scraping plates 14 and 14 are attached so as to be perpendicular to the scraping direction which is one direction and to escape in the returning direction. A screw body 15 is fixed to the inner surface of the upper portion of the actuating body 12, and a screw shaft 16 on the guide 11 is screwed into the screw body 15. A drive source is provided on the pond, and it is rotatable by a transmission shaft (with a cover) 17 and a gear box 18.

When the screw shaft 16 is rotated in the forward and reverse directions, the operating body 11 reciprocates back and forth by the screw body 15. As a result, the scratching plate 14 moves in one direction and returns in the opposite direction. A cover 18 may be provided on the operating area.

FIG. 4 shows an embodiment of the device according to claim 3. In this embodiment, 20 is a sedimentation basin, and a guide 21 is provided integrally (or separately) at the center of the bottom of the basin, and an actuating body 22 straddles the guide 21 in the guide 21. It is configured to reciprocate back and forth. Reference numeral 23 is a swing cylinder, and the cylinder (a part of the driving means) 23 does not contain hydraulic oil inside like a hydraulic cylinder, but the shaft 23b on the thin side moves forward and backward on the pipe 23a on the thick side. The base portion is axially fixed on the pond above the actuating body 22 and the tip end is axially fixed to the actuating body 22 so that it can swing back and forth and extend and contract.

A sprocket (wheel) 24 is fixedly attached to the outside of the cylinder 23, and sprockets 24, 24 are also provided at opposing positions on the pond. A chain 25 is stretched over these sprockets 24 ×, and a spring 26 is provided on the chain 25. When the driving source rotates in one direction, the actuating body 22 is driven in the scraping direction, and the scraping plate 27 brings the precipitate into the pit. When the drive source is driven in the reverse direction, the chain 25 rotates in the reverse direction, the scraper plate 27 escapes, and the actuator 22 is returned.

FIG. 5 and FIG. 6 show an embodiment of the device described in claim 4. Two aspects are shown in this example. One is that the floating linear magnets 31 (plus side) and 32 (minus side) are alternately arranged on the upper surface of the single-orbit guide 30, so that the actuating body 33 floats on it and reciprocates. Has become.

The other one is a hydraulic cylinder 35, which is a multistage type and expands and contracts. The expansion and contraction of the cylinder 35 causes the actuating body 33 to reciprocate, and the approaching plate 36 to perform the approaching operation. The cylinder 35 may be of a cylinder portion and the other portion may be of a truck crane type.

FIG. 7 and FIG. 8 show an embodiment of the device according to claim 4. That is, a single track type guide 40 is long and integrally provided at the bottom of the pond. The operating body 41 is reciprocally driven so as to straddle the operating body 40 in a U-shape. A roller 42 is provided on the actuating body 41, and a scraping plate 43 is attached on the left and right sides.

On the actuation body 41, there is provided a hollow vertical column 44 that extends above the water surface and seals water. The driving means includes wheels 45, 45 provided in the actuating body 41, another wheel 46 provided on the upper portion of the upright pillar 44, a drive source 47 provided on the upper portion of the upright pillar 44, and one end thereof. The guide 40 is fixed near one end of the guide 40, passes through the wheel 40 in the actuating body 41 through the guide 40, passes through the wheel 45 in the actuating body 41 through the standing pole 44, passes through the wheel 45 in the actuating body 41 through the standing pole 44 again. It is equipped with an interlocking member 48 such as a wire or a chain that is guided to the pond through the vicinity of the other end of the guide 40, and the extension member of the communication member 48 causes the actuating body 41 with the upright pillars 44 to move to the pond. It is configured to be lifted. 49 is a drum that is rotated to loosen the interlocking member 48.

During normal driving, when the drive source 47 is rotated in the forward direction, the interlocking member 48 drives the actuation body 41 in the direction of the pit 50. Precipitates are attracted by the two front and rear scraper plates 51, 52. When the drive source 47 is rotated in the opposite direction, the interlocking member 48 causes the actuation body 41 to move in the return direction. Normally, this operation is repeated.

On the other hand, when it is necessary to replace the scraping plates 51 and 52, the lock of the drum 49 is loosened, the drum 49 is disengaged from the wheel 46 and extended, and the suspension plate 44 and the actuating member 41 are lifted. Then, the scraping plates 51 and 52 are lifted above the pond. Due to this, the scraping plates 51 and 52 are replaced. After that, the vertical column 44 and the actuating body 41 are returned as shown in the figure, and the drum 49 is rotated to return the interlocking member 48 as shown in the figure. If the drum 49 is locked, the normal driving state is achieved.

FIG. 9 shows an embodiment of the invention described in the claims. In this embodiment, the guide 60 is fixed so that the bottom surface is located at a position higher by H than above the bottom of the pond. This fixing is performed by a support arm 62 which extends from the side surface of the guide 60 and whose end portion is attached to the side wall 61. The guide 60 is made by using an H-shaped channel material as a main body and welding a semi-circular end portion 60b with a groove 60a to both ends thereof. Brackets 63 are fixed to both ends of the main body portion, and sprockets 64 are attached through the brackets 63.

A driven sprocket 65 is provided on the side of one sprocket 64, and is driven by an Ikegami drive source and chain transmission means (not shown) to rotate the sprocket 64 simultaneously. As a result, the chain 66 hung on both sprockets 64, 64 circulates in the direction of the arrow.

A plurality of actuating elements 67 ... Are attached to the chain 66 under the guidance of rollers 68 ... Each actuating body 67 is provided with a scraping plate 69. In this embodiment, the scraping plate 69 is provided with two sets of first stage a, second stage b and third stage c. There is. The first stage a scrapes the precipitate shallowly and lightly, the second stage b a deep but narrow scrape, and the third stage c a wide and deep scrape.

10 to 12 show another embodiment having a monorail type guide 70. That is, the guide 70 is a square tube having lips on both sides thereof, and is fixedly provided on the bottom of the pond. An actuator 71 is provided on the guide 70 so as to be able to reciprocate. The actuating body 71 is saddle-shaped and can be rolled by front and rear rollers 72 provided therein, and side rolls prevent lateral deflection.

Reference numeral 73 denotes a rotating shaft, and a scraping plate 74 is provided on the coaxial 73 so as to be able to swing back and forth so as to extend to both sides. A pair of front and rear of the scraping plates 74 are provided, and each pair of stoppers 75 stop in a vertical scraping posture and an oblique returning posture.

A lever 76 extends upward on each of the rotary shafts 73, and a drive link 77 is connected between both levers 76. Reference numeral 78 denotes a reversing roller, which is provided on the operating body 71 in a pair of front and rear. Reference numeral 79 is an arm attached to the rotary shaft 73.

Wheels 81 are provided at the front and rear ends of the guide 70, and a wire 83 is connected to a drive device 82 on the pond via these. The drive device 82 is configured as shown in FIGS. That is, 84 is a motor, 85 is a speed reducer, 86 is a clutch case, 87 is a clutch switching electric cylinder, 88 and 89 are a pair of drums with grooves, 90 is a wire holding wire for preventing irregular winding, and 91 is a drum switching. A limit switch for confirmation, 92 is a proximity switch for detecting irregular winding, and 93 is a deodorant cover.

One of the drums 88 and 89 is on the drive side and the other is free. This is done alternately by switching the clatch. When the drive device 82 is driven, for example, one drum 88 becomes the winding side and the wire 83 is pulled as shown by the solid line arrow in FIG. The shaft 73 works together. As a result, the scraping plate 74 becomes vertical, the lever 76, the arm 79 and the rotary shaft 73 on the side opposite to the pit are interlocked by the interlocking link 77, and the other scraping plate 74 is also made vertical.

At the same time, the wire 83 is drawn as indicated by the solid line arrow, and the other drum 89 is free, so that the actuation body 71 is drawn in the pit direction, and this is in a scratching posture. When the actuating member 71 finishes scratching and comes to the pit side, the clutch is actuated and the other drum 89 becomes the winding side and the drum 88 becomes free. At this time, as shown by the broken line arrow, the scraping plates 74, 74 are interlocked and incline to return to return the actuation body 71 in the direction opposite to the pit. Since the drums 88 and 89 are provided with grooves, the wire 83 is wound in an orderly manner.

FIG. 13 shows another embodiment, in which 95 is a motor with a speed reducer, 96 is a clutch case, and 97 ... Two pairs of drums, respectively. The drum 97 on one side is configured as one unit for one pond, and the drum 97 on the other side is configured as one unit for one pond.

14 to 16 show another embodiment. Reference numeral 100 is a guide, 101 is an actuator, 102 is a scraping plate, 103 is a lever, and 104 is an interlocking link. Reference numeral 105 is a wheel, 106 is a wire, and 107 is a driving device. The drive unit 107 employs a motor built-in type configured as shown in FIGS. 15 and 16. That is, the device 107 includes a fixed wheel 108 and a drum 109, and the drum 109 is provided with a groove. A motor 110 with a deceleration function is mounted inside the fixed wheel 108 side, and the pinion 111 at the tip of the motor 110 drives a gear 112 on the inner circumference of the drum 109 to rotate the drum 109.

A pair of these built-in type driving devices 107 is arranged on the pond, and a wire 106 is wound around each. Then, by driving one driving device 107 and rotating the other free or in the reverse direction, the wire 106 is pulled as shown by the solid arrow in FIG. The other scratching board 102 is also in a state of being scratched via 104. As a result, the actuating body 101 is driven in the pit direction and scratched. When the reverse drive device 107 is driven, the operating body 101 is returned in the direction of the broken arrow. At this time, the scraping plate 102 is in a state of being avoided diagonally.

FIG. 17 also shows another embodiment. In this embodiment, the built-in drive unit 107 of FIG. 16 is used, and two wires 106, 106 are wound around the drum 109 from opposite directions, and if one wire is in the wound state, the other wire is in the unwound state. Is being done. Reference numeral 115 denotes a cylinder type tightener. Note that the other configurations adopt the same configurations as those in FIG. 10, and are therefore denoted by the same reference numerals.

When the driving device 107 is driven to one side, one of the wires 106 is pulled in the direction of the solid arrow in FIG. 17 and the other is released. As a result, the operating body 71 operates in the direction of the solid line, and the driving device 107 is driven in the opposite direction, so that the scraping plate 74 is obliquely avoided and returned.

18 to 21 show additional examples, each showing a maintenance method. In the example of FIG. 18, the booms 120 are arranged at opposite positions on the pond, the hoisting drive source 121 is attached to these, and the raking device is hoisted by the hoisting wire 122. When the scratching device is lifted above the water surface, the main parts of the scratching device can be inspected and repaired.

In the example of FIG. 19, the guide 70 is lifted from one side by a hinge 125. That is, the boom 126 and the drive source 127 are provided on one side of the pond. It is lifted by the wire 128 of the driving source 127.

In the example of FIG. 20, the guide 70 is connected in a half-split manner by the hinge 130, and only one of the guides is lifted by the boom 131, the drive source 132, and the wire 133.

In the example of FIG. 21, a fixed type is used instead of the lifting method as described above. That is, the guide 135 is bent in a dogleg shape, and one of the guides 135 is used as a rising portion 135a. The actuator 71 is placed along an oblique track like a virtual line only when maintenance is required. It is driven by. In this case, no additional drive source or wire is required.

[0041]

[Effect of device]

 According to this invention, since it is a single track type, the entire structure is greatly simplified, and it is possible to provide an inexpensive device that matches the convenience of the user.

[Brief description of drawings]

FIG. 1 is a perspective sectional view showing a first embodiment of the present invention.

FIG. 2 is a perspective sectional view showing a second embodiment.

FIG. 3 is a perspective sectional view showing a third embodiment.

FIG. 4 is a side sectional view showing a fourth embodiment.

FIG. 5 is a plan view showing a fifth embodiment.

FIG. 6 is a side sectional view of a fifth embodiment.

FIG. 7 is a side sectional view showing a sixth embodiment.

FIG. 8 is a plan view of the sixth embodiment.

FIG. 9 is a perspective sectional view showing a seventh embodiment.

FIG. 10 is a side sectional view showing another embodiment.

FIG. 11 is a side view showing the drive device of the embodiment.

FIG. 12 is a rear view showing the drive unit of the embodiment.

FIG. 13 is a plan view showing an embodiment of another drive device.

FIG. 14 is a side sectional view showing another embodiment.

FIG. 15 is a perspective view of a built-in drive device.

FIG. 16 is a schematic diagram of a built-in drive device.

FIG. 17 is a side sectional view showing another embodiment.

FIG. 18 is an operation explanatory view showing an additional example.

FIG. 19 is an operation explanatory view showing an additional example.

FIG. 20 is an operation explanatory view showing an additional example.

FIG. 21 is an operation explanatory view showing an additional example.

[Explanation of symbols]

 2 guides 3 actuating body 6 wire 8 guide 9 actuating body 9a scraping surface 11 guide 12 actuating body 14 scraping plate 15 screwing body 16 screw shaft 21 guide 22 actuating body 23 swing cylinder 24 sprocket 25 chain 27 scraping plate 30 guide 33 Actuator 40 Guide 41 Actuator 43 Scratch plate 44 Standing column 45 Wheel 46 Wheel 47 Drive source 48 Interlocking member 51 Scratch plate 52 Scratch plate 60 Guide 64 Sprocket 66 Chain 67 Actuator 69 Scratch plate

Claims (5)

[Scope of utility model registration request] 1. An actuating body which is provided with a guide long at the bottom of the pond, and a scraping means for scraping sediment on the pond bottom toward the pit, and an actuating body which moves along the guide, and a drive for moving the actuating body. In the sludge scraping apparatus including means, the guide is formed by specifying a pond bottom shape such as a single track type V or U shape, and the actuating body includes a portion adapted to the guide. The sludge scraping device is characterized in that the scraping means is constituted by a front surface of the actuating body itself, and the driving means is constituted by a wire, a chain, a screw shaft or the like. 2. An actuating member which is linearly reciprocated along the guide and which is provided with a guide long at the bottom of the pond and a scraping means for scraping sediment on the pond toward the pit. In a sludge attracting device having a driving means for
The guide is integrally or separately provided so as to project to the bottom of the pond in a single track, and a screw shaft which is a part of the driving means is provided in the vicinity of the guide along the longitudinal direction of the guide, and The screw shaft is configured to be rotationally driven by a transmission device from Ikegami, and the operating body is
It is configured to be screwed to a screw shaft and reciprocate back and forth by the rotation of the screw shaft, and the scraping means is provided so as to project laterally from the actuating body and is structured to scrape at the pond bottom. A sludge attracting device characterized by being used. 3. An actuating body which is linearly reciprocated along the guide and is provided with a guide long at the bottom of the pond and a scraper plate for scraping the sediment on the pond bottom toward the pit. In the sludge attracting device provided with a drive means for making, the guide is provided in a single track to project to the bottom of the pond and is provided integrally or separately, and the actuating body is configured to move across the guide, The driving means includes a swing cylinder that has a base portion at a position above the actuation body and has a tip end coupled to the actuation body and can swing back and forth and extend and contract, a wheel attached to the cylinder, and the wheel. A sludge attracting device, which is provided with a drive source and an interlocking member such as a chain that is hung and is also hung on another wheel provided on the pond to make a circular motion. 4. An actuating member that is provided with a long guide at the bottom of the pond and a scraping plate that scrapes the sediment at the bottom of the pond toward the pit, and that moves linearly along the guide. In the sludge attracting device provided with a drive means for making, the guide is provided in a single track to project to the bottom of the pond and is provided integrally or separately, and the actuating body is configured to move across the guide, On the actuating body, there is provided a hollow vertical column that extends above the water surface and seals water, and the drive means includes a wheel provided in the actuating body, Another wheel provided on the upper part of the upright, a drive source provided on the upper part of the upright, and one end fixed near one end of the guide through the guide to the wheel inside the actuating body from the upper wheel through the inside of the upright. Stand up again It is equipped with an interlocking member such as a wire or a chain that is guided through the inside of the pillar through the wheel inside the actuating body and over the guide near the other end of the guide. A sludge attracting device, which is configured to be able to be lifted up. 5. A long single-track guide fixed in a state of being floated above the bottom in the pond, wheels provided at both ends of the guide, drive means for rotating the wheel, and the wheel. An interlocking member hung over the outer periphery of the guide so as to be able to go up and down via the
A sludge scraping device comprising: a scraping plate attached to the actuation body.