KR101646220B1 - winch for floodgate - Google Patents

winch for floodgate Download PDF

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Publication number
KR101646220B1
KR101646220B1 KR1020150182194A KR20150182194A KR101646220B1 KR 101646220 B1 KR101646220 B1 KR 101646220B1 KR 1020150182194 A KR1020150182194 A KR 1020150182194A KR 20150182194 A KR20150182194 A KR 20150182194A KR 101646220 B1 KR101646220 B1 KR 101646220B1
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KR
South Korea
Prior art keywords
shaft
rotation
rotary
drive
gear
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Application number
KR1020150182194A
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Korean (ko)
Inventor
노동선
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노동선
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Priority to KR1020150182194A priority Critical patent/KR101646220B1/en
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Publication of KR101646220B1 publication Critical patent/KR101646220B1/en

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B7/00Barrages or weirs; Layout, construction, methods of, or devices for, making same
    • E02B7/20Movable barrages; Lock or dry-dock gates
    • E02B7/26Vertical-lift gates
    • E02B7/36Elevating mechanisms for vertical-lift gates
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02Driving gear
    • B66D1/14Power transmissions between power sources and drums or barrels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02Driving gear
    • B66D1/14Power transmissions between power sources and drums or barrels
    • B66D1/20Chain, belt, or friction drives, e.g. incorporating sheaves of fixed or variable ratio
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66DCAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/02Driving gear
    • B66D1/14Power transmissions between power sources and drums or barrels
    • B66D1/22Planetary or differential gearings, i.e. with planet gears having movable axes of rotation
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B5/00Artificial water canals, e.g. irrigation canals
    • E02B5/08Details, e.g. gates, screens

Abstract

The water gate opening / closing winch according to the present invention is characterized in that the water gate opening / closing position includes a take-up reel wound around the rope for opening / closing the water gate, provided on a slave shaft rotatably installed by the main housing;
A sub-housing provided in the housing, the sub-housing having a driven shaft connected to the driven shaft and the first power transmitting portion, and a driving motor coupled to the driving worm rotated by the driving motor, A rotating intermittent shaft installed on the sub housing and supported on the rotating member in a coaxial manner with the driving shaft; and a rotating shaft provided on the rotating member, wherein when the rotating interaxial shaft is fixed, the rotating member and the driving shaft are simultaneously rotated, And a power interrupting unit that allows the rotation intermittent shaft and the drive shaft to be simultaneously rotated while the rotation of the rotary member is fixed by the drive worm wheel when the rotation intermittent shaft rotates. A rotation that rotates the rotation intermittent shaft and fixes the rotation of the rotation intermittent shaft when the water level is below the set water level It includes a control unit in the festival.

Description

Winch for floodgate {winch for floodgate}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a winch for opening and closing a water gate, and more particularly, to a winch for opening and closing a water gate by a water level when the drive motor stops due to a power failure.

Generally, a water gate is installed to confine and discharge water in a river or a river dam, a reservoir bank, a seawall, etc. Most of the water gates thus installed are opened and closed by manual, semiautomatic and automatic opening and closing devices. There are electric and hydraulic systems for opening and closing the water gate.

The electric wire rope hoist type electric motor using the motor is expensive, has a larger size than the hoisting capacity, has a relatively large installation area, has a high installation cost, and is very noisy. Especially a relatively large maintenance cost is required.

In view of this point, the hydraulic lifting and lowering type hydraulic wand using the wire disclosed in Utility Model Registration No. 0329971 has a structure for transmitting the load-lifting strength of the hydraulic cylinder to the water gate using a rope. The hydraulic type water gate opening / closing apparatus disclosed in the Utility Model Registration No. 0171459 is achieved by operating a hydraulic cylinder in which the rod is connected to the water gate using hydraulic oil delivered from the oil chamber pump.

On the other hand, a hydraulic type water gate opening / closing device is disclosed in Registration Utility Model No. 0332997. The disclosed hydraulic type water gate opening / closing apparatus has a water level adjusting cylinder for adjusting a set water level, a manual operation chamber having an oil tank, and an operating handle for operating a manual hydraulic jack installed in the manual operation chamber.

In the conventional water gate opening / closing apparatus constructed as described above, when the operation of the hydraulic pump supplied to the hydraulic cylinder is stopped, when the hydraulic cylinder is used, the water gate can not be opened and closed. have.

Korean Patent Registration No. 10-0885968 discloses a sluice gate capable of selectively opening and closing a manual sluice gate and an automatic sluice gate, and Korean Patent Registration No. 1358299 discloses a device for recognizing a sluice gate, and Korean Patent Registration No. 1106281 There is a multistage conduction gate on the lake.

Since the water gate constructed as described above has a structure in which the water gate is opened and closed by the winch (lifting device), it is impossible to open and close the fault gate of the winch and the risk of safety accident due to the water gate being opened Is inherent.

Korean Patent Registration No. 10-0885968 Korea Patent No. 1358299 Korea Patent No. 1106281

The present invention relates to a winch for opening and closing a waterslide, which can prevent an accident caused by a flood because a wastewater can be opened regardless of the operation of a driving motor during a power failure.

According to an aspect of the present invention,

A take-up reel provided on a driven shaft rotatably installed by the main housing and wound with a rope for opening and closing the water door;

A sub-housing provided in the housing, the sub-housing having a driven shaft connected to the driven shaft and the first power transmitting portion, and a driving motor coupled to the driving worm rotated by the driving motor, A rotating intermittent shaft installed on the sub housing and supported on the rotating member in a coaxial manner with the driving shaft; and a rotating shaft provided on the rotating member, wherein when the rotating interaxial shaft is fixed, the rotating member and the driving shaft are simultaneously rotated, And a power interrupting unit that allows the rotation intermittent shaft and the drive shaft to be rotated at the same time when the rotation of the rotary member is fixed by the drive worm wheel when the rotation intermittent shaft rotates,

And a rotation intermittent fastening unit provided in the housing for rotating the rotation intermittent shaft when the water level rises above a set water level and fixing the rotation of the rotation intermittent shaft when the water level is below a set water level.

In the present invention, the power interrupting unit may include: a first gear provided at an end of a corresponding drive shaft of the rotation intermittent shaft; a second gear provided at an end of the rotation intermittent shaft corresponding to the drive shaft; A third gear provided on the first gear shaft and meshing with the second gear, a fourth gear relatively smaller than the third gear, and a third gear disposed on a second gear shaft supported by the rotating member, And a fifth gear to which the first gear is engaged.

The rotation intermittent fastening unit includes a first rotary shaft provided with a brake drum on a housing and rotatably mounted on the housing. The first rotary shaft and the second end of the rotary shaft are provided with a second power A transmitting portion,

A first sprocket installed on an end of a bracket extending in a radial direction, the first sprocket being installed on a pad rotary shaft installed in the main housing; A pad having a weight member attached to one end of the pad member and having a predetermined weight and being raised and lowered at the other end of the pad member in accordance with the level of the pad; A displacement transmitting member for connecting the pad rotating shaft and the pad unit so that the unit can be closely contacted or separated,

And a chain return unit installed in the main housing for moving the main chain so that the weight member can be raised and the buoyant member can be lowered when the gate is opened.

The winch for a water gate opening / closing according to the present invention can prevent a problem caused by the opening / closing operation of the water gate when a power failure occurs, that is, an accident caused when the gate is not opened, and further, have.

1 is a perspective view of a winch for a water gate opening and closing according to the present invention,
2 is a perspective view showing the construction of a winch for water gate opening and closing according to the present invention,
FIG. 3 is an exploded perspective view showing the power control unit shown in FIG. 2,

The winch for a water gate opening and closing according to the present invention is for opening and closing a sluice gate installed in a river, a river, a waterway, a water drainage, etc., and an embodiment is shown in Figs.

The winch 10 for a water gate opening and closing according to the present invention is provided with a rope 14 installed on a slave shaft 12 rotatably installed in a main housing 11 for opening and closing a sluice gate A winding reel 13 is provided. The main housing 11 is installed in the main housing 11 to transmit the rotational force of the drive motor 21 to the driven shaft 12 and to close the water gate when the drive motor 21 stops operating due to a power failure. A sub housing 15 in which a drive shaft 31 connected to the subordinate shaft 12 by the first power transmission portion 22 is provided by rotating the drive shaft 13 and a drive shaft 31 A rotation member 33 provided on the outer circumferential surface and provided with a drive worm wheel 48 to be engaged with a drive worm 49 rotated by a drive motor 21 and a rotary member 33 provided on the sub- A rotation intermittent shaft 36 that is coaxially supported by the drive shaft 31 on the rotary shaft 33 and a rotary shaft 33 that is provided on the rotary member 33 and is fixed to the rotary shaft 33 and the drive shaft 31 when the rotary intermittent shaft 36 is fixed, While the rotation of the rotary member 33 is fixed by the drive worm wheel 48 during the rotation of the rotation intermittent shaft 36 Before and intermittent shaft 36 and drive shaft 31 comprises an intermittent power unit 40 which allows the subject to rotate simultaneously.

And a rotation intermittent firing control unit (not shown) provided in the main housing 11 for rotating the rotation intermittent shaft 36 when the water level rises above a set water level and fixing the rotation of the rotation intermittent shaft 36 when the water level is below a set water level 60).

The winch for a water gate opening / closing according to the present invention constructed as described above will be described in more detail according to each component.

The main housing 11 according to the present invention is installed in the frame 11a and is located at a position close to the gate, thereby forming a frame of the winch. The main housing may be made of cast steel or cast steel, and may be manufactured using a separate steel plate. And is supported by the driven shaft 12 of the take-up reel 13 installed in the main housing 11 and protrudes to the side of the main housing 11. However, the present invention is not limited thereto.

The power interrupting unit transmits the power of the drive motor 21 to the driven shaft 12 and the power to the drive motor 21 is interrupted during the power outage and the load of the take- So that the rope 14 can be loosened, which will be described in more detail with reference to FIGS. 2 and 3. FIG.

The main housing 11 is provided with the sub housing 15 and the driving shaft 31 connected to the driven shaft 12 by the first power transmitting portion 22 is connected to one side of the driving shaft 31 Is rotatably installed. A first member 33a constituting a rotary member 33 is supported on the other side of the drive shaft 31 and a second member 33a which is coupled with the first member 33a and is coupled to the rotary member 33, A rotation intermittent shaft 36 is rotatably mounted on the member 33b. A first gear 41 is provided at an end of the drive shaft 31 corresponding to the rotation intermittent shaft 36 and a second gear 41 is provided at an end of the rotation intermittent shaft 36 corresponding to the drive shaft 31. [ 42 are installed. The first gear shaft 43 is provided in parallel with the drive shaft 31 and the rotation intermittent shaft 36 and the second gear 42 is provided in the first gear shaft 43, And a fourth gear 45, which is formed integrally with the third gear 44 and has a relatively small diameter, is provided. A second gear shaft 46 parallel to the first gear shaft 43 is provided on the rotary member 33. The fourth gear 45 and the first gear 45 are connected to the second gear shaft 46, And a fifth gear 47 to which the second gear 41 meshes. The first member 33a and the second member 33b constituting the rotating member 33 are coupled by bolts which are separate fixing means in a state where the first and second gear shafts and gears are installed.

A drive worm wheel 48 is provided on one side of the first and second members 33a and 33b constituting the rotary member 33. The drive worm wheel 48 is driven by a drive And is engaged with the worm 49.

The first power transmission unit 22 is provided with a first drive sprocket 22a on the drive shaft 31 and a second drive sprocket 22c on a power transmission shaft 22b mounted on the main housing 11 And the second chain 22d is engaged with the first and second drive sprockets 22a and 22c. Between the power transmission shaft 22b and the driven shaft 12, a plurality of gears are provided, which are provided with a support shaft in the main housing and are engaged with each other.

When the drive motor 21 is not operated due to a power failure, the rotation intermittent firing control unit 60 rotates or rotates and fixes the rotation intermittent shaft 36 And the power transmission of the drive motor 21 can be interrupted.

A separate space is formed at one side of the main housing and a brake drum 61 is installed in the first rotation shaft 71 supported by the main housing 11 And the main housing 11 is provided with a plurality of second rotation shafts 72 arranged in parallel to the first rotation shaft 71. The rotation and fixing force of the first rotation shaft 71 is transmitted to the rotation shafts 36 And a second power transmitting portion (80) for transmitting the power. The second power transmission unit 80 includes gears for respectively transmitting power and installed in the first and second rotary shafts 71 and 72 and a second sprocket 72 installed at an end of the second rotary shaft 72. [ And a first chain 84 which is engaged with the third sprocket 83 and the second sprocket 83 which are installed at the ends of the rotation intermittent shaft 36.

A pad unit 62 for controlling the rotation of the brake drum 61 is installed on the outer peripheral surface of the brake drum 61. The pad unit 62 may be formed of a strip-shaped steel plate wound around the brake drum 61. The pad unit 62 is fixed to the main housing 11 at one side and fixed to the pad unit 62 at the other side thereof, So that the outer circumferential surface of the brake drum 61 can be tightened or loosened.

A pad rotating shaft 63 is installed in the main housing 11 and a bracket 64 is provided in a radial direction at an end of the pad rotating shaft 63. A first sprocket 65 is provided at an end of the bracket 64, Is rotatably installed. The other end of the pad rotation shaft 63 is formed of a displacement transmitting member 66 for converting the rotational force of the pad rotating shaft 63 into a rotational force for rotating the pad unit 62. The displacement transmitting member 66 Brackets or connecting links. The bracket 64 is connected to an end of a spring 64a provided on the main housing 11 so that the first sprocket 65 provided on the bracket 64 is elastically biased upward.

The first sprocket 65 is provided with a weight member 200 having a predetermined weight at one end and a main chain 220 having a buoyant body 210 installed at the other end thereof in accordance with a water level. The length of the main chain 220 is long enough to allow the buoyant body 210 to react to the level of the region where the gate is installed. In a state where the buoyant body is lowered in the wet season, the weight member 200 is in the raised position.

A chain return unit 90 installed in the main housing 11 for moving the main chain 220 so that the weight member can be raised and the buoyant member can be lowered during normal driving.

The chain return unit 90 is provided with a third rotation shaft 91 in a direction parallel to the power transmission shaft 22b of the first power transmission unit and is provided with the third rotation shaft 91 and the power transmission shaft 22b The fourth and fifth sprockets 92 and 93 are installed to be able to transmit power by the second chain 94 on the caterpillar. A fourth rotary shaft 95 is provided in a direction orthogonal to the third rotary shaft 91. A sixth sprocket 97 coupled to the main chain 220 is installed at an end of the fourth rotary shaft 45 A fifth rotary shaft 98 is provided in the main housing 11 in a direction parallel to the fourth rotary shaft and the other end of the fourth rotary shaft and the fifth rotary shaft, A worm wheel 103 is provided at an end of the fifth rotary shaft 98 and an end of the third rotary shaft 91 corresponding to the worm wheel 103 A worm 104 which is engaged with the worm wheel 103 is provided.

The operation of the winch for water gate opening and closing according to the present invention constructed as described above will be described as follows.

The drive worm wheel 48 provided on the rotary member 33 is rotated by the drive motor 21 by rotating the drive worm 49 provided on the rotation axis of the drive motor 21 by the drive motor 21 in order to close the water drawer with normal operation. At this time, the rotation intermittent shaft 36 is fixed in rotation, and the weight member 200 is raised. Since the buoyant body 210 is in the lowered state, the bracket 64 is rotated downward and the pad unit 62 connected by the pad rotation shaft 63 and the displacement transmitting member 66 is rotated to rotate the brake drum 61 The rotation of the first rotary shaft 71 and the rotary intermittent shaft 36 is fixed and is not rotated.

The rotational force of the rotary member 33 rotated by the drive motor 21 is transmitted to the drive shaft 31 and the rotational force of the drive shaft 31 is transmitted to the drive shaft 22b, And the rope 14 wound on the take-up reel 13 is wound as the take-up reel is rotated so that the water gate is closed.

In this state, when the water level rises in a state where the operation of the drive motor 21 is not performed due to a problem of power supply, the buoyant body 220 rises.

When the buoyant body 220 rises due to an increase in the water level, the first sprocket 65 is lifted by the spring, so that the bracket 64 provided with the first sprocket 65 is rotated to rotate the pad rotation side 63 . The pad unit 62 is rotated by the displacement transmitting member 66 connected to the end of the pad rotating shaft 63 so that the pad on the strip closely attached to the outer circumferential surface of the brake drum 61 contacts the outer peripheral surface of the brake drum 61 And the rotation fixed state of the first rotation shaft is released. Therefore, the rotation intermittent shaft 36 and the driving shaft 31 connected to the rotation intermittent shaft 36 are allowed to rotate with respect to the rotary member 33. Accordingly, the rope is pulled by the water pressure acting on the water gate, and the water gate is opened due to the loosening of the rope 14 wound on the take-up reel. In this process, the rotational force of the driven shaft 12 rotates the drive shaft 31 and the rotation intermittent shaft 36 through the first power transmission portion.

In this process, the operation of the power interrupting unit will be described as follows.

When the rotation member 33 is rotated by the rotation of the driving motor 31 while the rotation of the rotation intermittent shaft 36 is fixed by the brake drum 61 and the pad unit 62, And the rotation of the third, fourth and fifth gears 44, 45 and 47 engaged with the second gear 42 is fixed. In this state, as the rotary member 33 rotates, the third gear 44 revolves around the outer circumferential surface of the second gear 42. Therefore, the drive shaft 31 and the rotary member 33 rotate at the same time.

The rotation intermittent shaft 36 rotates in a state where the rotation of the rotary member 33 is fixed (rotationally fixed by a combination of a worm and a circle) due to a power failure. The drive shaft 31 is rotated regardless of the rotation of the rotary member 33 while the gear 47 is rotated.

When the water gate is closed due to the rotation of the drive motor 21, since the water level is lowered, the load of the buoyant body 210 acts on the first sprocket 65 so that the bracket 64 supporting the floating body 210 rotates downward And the pad unit 62 is rotated by rotating the pad rotation shaft 63 to fix the rotation of the brake drum 61.

Accordingly, the rotation intermittent shaft 36 rotates the rotary member 33 and the drive shaft 31 by the drive motor 21 as the rotation is fixed. The rotational force of the drive shaft 31 closes the water gate by rotating the first power transmission unit, the driven shaft 12 and the take-up reel 13 to pull the rope. In this process, the rotational force of the power transmission shaft 22b is transmitted to the third rotational shaft 91. The rotational force is transmitted to the fifth rotational shaft, the fourth rotational shaft 95, the sixth sprocket 97, The weight member 200 is lifted. This action takes place while the gate is closed.

As described above, the water gate opening and closing winch according to the present invention can open the water gate in a state in which the driving motor is not operated due to a power failure, so that the damage due to flooding can be reduced.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

Claims (5)

The watertight opening / closing position includes a take-up reel wound around the rope for opening / closing the water gate, which is installed on a slave shaft rotatably installed by the main housing;
A sub housing provided in the main housing and provided with a drive shaft connected to the subordinate housing by a first power transmission unit, and a drive shaft provided on the sub housing, the drive shaft engaging with a drive worm rotated on the outer periphery by a drive motor A rotation intermittent shaft provided on the sub housing and supported on the rotary member in a coaxial manner with the drive shaft; and a rotation shaft provided on the rotary member and rotated together with the rotation shaft and the drive shaft when the rotation intermittent shaft is fixed And a power interrupting unit that allows the rotation intermittent shaft and the drive shaft to be simultaneously rotated while the rotation of the rotary member is fixed by the drive worm wheel when the rotation intermittent shaft rotates,
And a rotation intermittent firing unit provided in the main housing for rotating the rotation intermittent shaft when the water level rises above a set water level and fixing the rotation of the rotation intermittent shaft when the water level is below a set water level,
The rotary intermittent fastening unit includes a first rotary shaft rotatably installed with a brake drum on a main housing, a first rotary shaft and a second rotary shaft provided on the rotary intermittent shaft for transmitting a rotational force of the first rotary shaft to the rotary intermittent shaft, A power transmission portion,
A first sprocket installed on an end of a bracket extending in a radial direction, the first sprocket being installed on a pad rotary shaft installed in the main housing; And a pad member which is provided on the other end of the pad rotation shaft and on the brake drum in accordance with rotation of the pad rotation shaft, A displacement transmitting member for connecting the pad rotating shaft and the pad unit so that the pad rotating member can be closely contacted with or separated from the pad rotating shaft,
And a chain return unit installed in the main housing to move the main chain so as to raise the weight member and lower the buoyant body when the gate is opened.
The method according to claim 1,
The power interrupting unit includes a first gear installed at an end of a corresponding drive shaft of the rotation intermittent shaft, a second gear provided at an end of a rotation intermittent shaft corresponding to the drive shaft, and a second gear installed at a first gear shaft A fourth gear which is relatively smaller than the third gear and a second gear shaft which is supported by the rotating member, the fourth gear and the first gear are engaged with each other, And a fifth gear connected to said first gear.
delete The method according to claim 1,
The first power transmission unit includes a first drive sprocket installed in the drive shaft, a second drive sprocket installed in a power transmission shaft installed in the housing, a second chain engaged with the first drive sprocket and the second drive sprocket, And a plurality of gears installed in the main housing and installed in the main shafts and the power transmitting shafts, and a plurality of gears installed in the main housing between the gears and intermeshing with each other.
The method according to claim 1,
Wherein the chain return unit is provided with a third rotary shaft in a direction parallel to the power transmission shaft of the first power transmission unit, and fourth and fifth sprockets are respectively installed on the second rotary shaft and the power transmission shaft, A fourth rotary shaft is provided in a direction perpendicular to the third rotary shaft and a sixth sprocket is provided at an end of the fourth rotary shaft to be coupled to the main chain, A fifth rotary shaft 98 is provided in the main housing and two gears at the other end of the fourth rotary shaft and the fifth rotary shaft are installed and meshed with each other. A worm wheel is provided at an end of the fifth rotary shaft, And a worm engaging with the worm wheel is provided at an end of the third rotary shaft.

KR1020150182194A 2015-12-18 2015-12-18 winch for floodgate KR101646220B1 (en)

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KR1020150182194A KR101646220B1 (en) 2015-12-18 2015-12-18 winch for floodgate

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KR1020150182194A KR101646220B1 (en) 2015-12-18 2015-12-18 winch for floodgate

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113802527A (en) * 2021-10-12 2021-12-17 华南泵业有限公司 Four hoisting point hoist headstock gears

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100885968B1 (en) 2007-07-11 2009-02-26 (주)연일 Apparatus selectively opening and closing floodgate
KR100982528B1 (en) * 2009-12-07 2010-09-15 주식회사 광희 Winch for falling down gate
KR101067928B1 (en) * 2011-01-21 2011-09-26 원종열 Water gate winch
KR101106281B1 (en) 2008-03-11 2012-01-18 주식회사 이산 Operating apparatus of multi-staged turnover type watergate
KR101358299B1 (en) 2011-10-04 2014-02-07 광희엔지니어링 주식회사 Closing mechanism of chain typr for sluice
CN203959711U (en) * 2014-07-15 2014-11-26 三园立企业股份有限公司 There is the winch of dragline function

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100885968B1 (en) 2007-07-11 2009-02-26 (주)연일 Apparatus selectively opening and closing floodgate
KR101106281B1 (en) 2008-03-11 2012-01-18 주식회사 이산 Operating apparatus of multi-staged turnover type watergate
KR100982528B1 (en) * 2009-12-07 2010-09-15 주식회사 광희 Winch for falling down gate
KR101067928B1 (en) * 2011-01-21 2011-09-26 원종열 Water gate winch
KR101358299B1 (en) 2011-10-04 2014-02-07 광희엔지니어링 주식회사 Closing mechanism of chain typr for sluice
CN203959711U (en) * 2014-07-15 2014-11-26 三园立企业股份有限公司 There is the winch of dragline function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113802527A (en) * 2021-10-12 2021-12-17 华南泵业有限公司 Four hoisting point hoist headstock gears

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