KR960001580Y1 - Driving wheel for filth treating equipment in sweage disposal plant - Google Patents

Abstract

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Description

Driving device for rake for sewage treatment in sewage treatment plant

1 is a perspective view showing an application state of the present invention embodiment

2 is a side view of the operating state

* Explanation of symbols for main parts of the drawings

10: Eliminator 15: Rake

30, 30 ': cylinder 13, 13' piston rod

33, 33 ': driving pulley 34: driving pulley

40, 40 ': Insulation rope 51 ~ 54: Guide pulley

61 ~ 65: guide pulley

The present invention relates to a drive device for a rake used in the sewage treatment plant of a sewage treatment plant, and more particularly, to a drive device for a rake capable of elevating the rake to a drive device operated by the action of a cylinder. will be.

In general, a bar screen is installed in the wastewater or sewage inflow channel at the first sedimentation site of the sewage treatment plant to filter the wastewater mixed with these wastewater or sewage, and the waste that is caught on the barscreen is The laid rake was driven to scrape up and removed.

Therefore, in the related art, a driving device is used in which a rake is lifted by connecting a traction rope to a rake that is rotated by a motor to drive the rake so that the drum is wound or released.

However, in this way, the driving device generally uses a speed reducer to maintain the rake ascending speed of less than 3m / min so that the rake can scrape up the dirt on the bi-screen more efficiently. Since there is a large difference in the reduction ratio between the rotational speeds of the gearboxes, a large one is used.

As a result, the space area occupied by the motor and the drum, as well as the reducer, becomes wider, which causes a lot of obstacles in the space utilization of the sewage drainage field, and also has the drawback of making the installation and after-care work very inconvenient and difficult.

In addition, a separate safety device is required for safety when an overload occurs when transmitting the driving force of the motor, and according to the torque motor, the installation structure is complicated and the facility cost is high.

The present invention has been devised in view of these conventional points, and an object thereof is to provide a driving device for a rake capable of raising and driving a rake as a simpler device.

Another object of the present invention is to provide a rake driving device having a low facility cost and easy post management.

This object of the present invention is achieved by providing a driving device of the rake which enables the rake to be lifted and driven smoothly by a simple device without using a motor, a reducer and a drum. And a first driving member having a function of moving, and a second driving member having a function of allowing the scraped-up dirt to fall smoothly to the absorber side by lifting the tip of the rake at the final raised position.

These first and second driving members are also adhered to the end of the piston rod as well as the cylinder and its piston. A drive pulley to be installed is provided.

The traction ropes of the rake are fixed to and mounted on the body via respective guide pulleys and drive pulleys of the first and second driving members.

Therefore, when the first driving member is operated, the rake is raised and lowered, and when raised, the rake is scraped up from the bar screen. When the second driving member is operated, the tip of the rake is lifted or lowered. The scraped up dirt can be smoothly dropped to the hopper side.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Figure 1 shows a dirt remover to which the driving device of the rake according to the embodiment of the present invention is applied.

This material remover 10 is installed on the sewage inflow channel 20, 20 'of the initial sedimentation shaft of the sewage treatment plant, and the drive motor 11, the chain gears 12, 12' and the chain 13 ( 13 ') to reciprocate across inlet channels 20 and 20'.

In addition, the dirt remover 10 is a bar screen (14, 14 ') installed to hang the dirt in the inlet waterway (20, 20') and the rake (15) to scrape up the dirt caught therein, and the rake The conveying conveyor 16 which transfers the dirt which is scraped up and falls to the collection station, and the hopper 17 which guides the falling dirt to this conveyor side are provided.

The upper ends of the bar screens 14 and 14 'are provided with guide rails 10a mounted on both sides of the front surface of the bar screens 14 and 14' according to the reciprocating movement of the dirt remover 10. (18 ') Optionally connected to the top.

Accordingly, the rake 15 is driven by the guide rail 10a to be elevated up and down along one of the selected front surfaces of the guide plates 18, 18 'and the bar screens 14, 14'.

On the other hand, the dirt remover 10 is provided with a driving device for driving the rake (15).

The drive device is composed of a first drive member having a function of raising the rake 15 and a second drive member having a function of lifting or lowering the distal end when the rake is raised to the highest value.

The first and second driving members are located at both sides and intermediate positions of the lower surface of the driving plate 32 mounted on the upper end of the cylinders 30 and 30 ', the piston rods 31 and 31', and the piston rod 31, respectively. Drive pulleys 33 and 33 'which are condensed at the upper side and drive pulleys 34 condensed at the upper end of the piston rod 31'.

It is preferable to use hydraulic pressure for the cylinders 30 and 30 ', and the operation is performed by installing a hydraulic distributor and a hydraulic pump so as to be automatically controlled by operating the hydraulic pump and opening and closing the electromagnetic valve by the control of a conventional automatic control system. .

One end of the towing ropes 40 and 40 'is coupled to both sides and the middle of the rake 15, and the other ends of the towing ropes 40 to be coupled to both sides are first to third guide pulleys 51 and 52 ( 53 and the fourth pulley condensed on both sides of the rear surface of the driving plate 32 through the driving pulley 33 and the third guide pulley 53 and the driving pulley 33 on both sides of the bottom surface of the driving plate 32 again. Binding to the back of the eliminator 10 via the guide pulley 54. Fix it.

The other end of the shoulder rope 40 ', which is bound in the middle, includes the first and second guide pulleys 61 and 62, the driving pulley 34, the third and fourth guide pulleys 63 and 64, and the driving plate 32. The back of the eliminator 10 via the fifth guide pulley 65 condensed in the middle of the back of the drive plate 32 via the drive pulley 33 'and the fourth guide pulley 64 which are condensed in the middle of the bottom of the back surface. solidarity. Fix it.

Accordingly, the traction ropes 40 and 40 'are guided by the guide pulleys 51 to 54 and 61 to 65, respectively.

The rake 15 has rollers 151 and 152 'condensed before and after the lower end of both sides thereof, and the rollers are recessed and formed on both sides of the bar screens 14 and 14' and the guide plate 18. By 181 and the guide rail (10a) to be moved to facilitate the lifting operation.

Figure 2 shows the operating state of the drive device according to the embodiment of the present invention.

In the case of (a), the rake 15 is lowered to the lower side of the bar screen 14 of the inflow channel 20, that is, the initial state before scraping up the dirt, wherein the cylinder of the first drive member ( 30 is reverse driven so that the piston rod 31 is lowered, and the cylinder 30 'of the second driving member is driven forward so that the piston rod 31' is raised.

In this state, when scraping up the dirt caught in the bar screen 14, the piston 30 of the first driving member may be driven forward to raise the piston rod 31.

In this way, when the piston rod 31 is raised, the driving pulleys 33 and 33 'condensed at both sides and the intermediate position of the bottom surface of the driving plate 32 mounted on the upper end thereof are simultaneously shown in FIG. a) As it is raised to the position, the warn in ropes 40 and 40 'passing through the drive pulley are pulled up.

In this process, one end of these towing ropes is bound to the rake 15, and the other end is bound to and fixed to the rear side of the eliminator 10, so that the driving pulleys 33 and 33 'are raised when the towing ropes 40 are raised. (40 ') is a state in which the shaft bound to the rake 15 is pulled up, so that the rake 15 is raised from the bottom position of the bar screen 14 to scrape up the dirt hanging on the bar screen.

At this time, the traction ropes 40, 40 'are respectively guide pulleys 510 (52) (53) 54 (61) 62 (63) 64 (65) and drive pulley (33) ( 33 ') and 34, the ascending width of the piston rods 31 and 31' is at least as large as the moving side of the rake 15.

In the case of (b), the rising and moving rake 15 has reached the upper position of the hopper 17 past the bar screen 15 and the guide plate 18 on the front of the eliminator 10, in which case 1 Since the operation of the driving member is stopped, the piston rods 31 and 31 ', they are stopped at the raised position, and the rake 15 is positioned between the guide rails 10a past the guide plate 18, so it is scratched. The raised dirt falls to the hopper 17 side.

In addition, when the rake 15 reaches the upper position of the hopper 17 through the guide plate 18 and stops, the second driving member is operated to drive the cylinder 30 'forward, so that the raised piston rod 31' To the virtual line position (b).

In this case, since the towing rope 40 'having one end fixed to the middle of the rake 15 is installed to pass through the copper pulley 34, which is condensed at the upper end of the piston rod 31', as much as this driving pulley is lowered. Since the rake 15 is pulled downward, the tip side of the rake 15 is lifted up like the imaginary line C, thereby allowing the rake scraped by the rake to fall more smoothly to the hopper 17 side.

The dirt falling in this way passes through the hopper 17 and falls on the conveying conveyor 16 and is conveyed to a collection point.

On the other hand, when the dropping operation of the scraped-up dirt is completed, the remover 10 is driven by the operation of the drive motor 11, the chain gears 12, 12 'and the chain 13, 13'. ') Side, and after the movement is completed, the first and second driving members are operated to define the cylinders 30 and 3', respectively. As the reverse driving, the piston rods 31 and 31 'are lowered and raised, respectively, and the tow ropes 40 and 40' are pulled up or pulled down by the driving pulleys 33, 33 'and 34. By the release of the binding force of the rake 15 is lowered to the lower position of the bar screen 14 'by the inflow passage 20' by the weight, the leading end is lowered again to return to the initial state.

The dirt remover according to the embodiment of the present invention which removes the dirt mixed in the sewage flowing into the inflow channel while repeating the above process, raises and lowers the rake at an appropriate speed using a small cylinder, its piston rod, driving pulley and guide pulley. . Since the scrape can be removed by scraping off the structure, the structure is very simple and the facility cost is greatly reduced.

In addition, it does not occupy a lot of space, so the facility and after-care work is very convenient, and it is a very practical design, such as to effectively utilize the space of the sewage treatment plant.

Claims (2)

A first drive member comprising a cylinder 30, a piston rod 31 thereof, and drive pulleys 33, 33 'which are respectively fixed to both sides and an intermediate position of a driving plate mounted on an upper end of the piston rod, one end of which is Towing ropes 40 and 40 'which bind to both sides and an intermediate position of the rake 15, respectively, and to which the other end is bound and fixed to both sides and an intermediate position of the rear side of the eliminator 10 via driving pulleys 33 and 33', respectively. ), The driving device of the sewage treatment rake for sewage treatment plant, characterized in that consisting of guide pulleys (51 ~ 54), (61 ~ 65) for guiding the movement of the towing rope. 2. The towing rope according to claim 1, wherein a second driving member including a cylinder (30 '), a piston rod (31) thereof, and driving pulleys (34) condensed on an upper end of the piston rod is installed in the remover (10). Driving device for a rake for sewage treatment plant of the sewage treatment plant characterized in that the 40 'is installed to move through the drive pulley (34).