CN219011137U - Water pressure box helping hand fixed hoist headstock gear - Google Patents

Abstract

The utility model relates to the technical field of opening and closing of water conservancy gates, in particular to a hydraulic tank body power-assisted fixed winch opening and closing machine. Including the gate pier, establish the gate in the gate pier and establish the frame bridge in the gate pier top, the gate includes main gate and sediment outflow gate, installs power reel on the frame bridge, and the location is gone up and reverse winding has first wire rope and second wire rope on the power reel, and first wire rope's free end is connected with the gate, and the free end of second wire rope links firmly with the fixed pulley group of establishing on the frame bridge after the running pulley group of hanging the head is walked around in gate back water surface direction, and the hanging head below is connected with the water tank. When the power winding drum rotates and drives the sand discharge gate to rise through the first steel wire rope, water and sediment flow down into the water tank, the gravity of the water tank is increased, the water tank sinks along the guide rail and pulls down the power winding drum through the second steel wire rope, the door opening force is effectively increased, the output power of the power winding drum is reduced, energy sources are saved, line current is stabilized, electric equipment is protected, and sudden accidents can be effectively reduced.

Description

Water pressure box helping hand fixed hoist headstock gear

Technical field:

the utility model relates to the technical field of opening and closing of water conservancy gates, in particular to a hydraulic tank body power-assisted fixed winch opening and closing machine.

The background technology is as follows:

at present, the water conservancy gate is driven by the hoist to lift, under the condition of normal water flow, the fixed winch hoist can normally realize normal work start, but under special conditions, such as silt siltation, rising of flood season water head and overlarge water head pressure, the gate opening force of the gate is greatly increased, the output power of the power winding drum is suddenly increased, the power winding drum does not have extra power assistance, the gate opening force exceeds the rated power of the power winding drum, equipment damage is sometimes caused, the gate cannot be lifted, gate stopping and maintaining are sometimes caused, and even accident disasters are caused in serious cases. At present, although some measures, such as a patent application with a publication number of CN102995610B and a name of a top-exposed type plane gate, are adopted to reduce the resistance of the gate by arranging a sand-draining gate at the lower part of the main gate and adopting measures such as sand-draining and water-draining in advance, the effect is limited because no additional lifting assistance exists, and the ideal requirement cannot be met.

In summary, the problem of safety opening and closing of the fixed winch hoist on the water conservancy gate has become a technical problem to be solved in industry.

The utility model comprises the following steps:

the utility model provides a hydraulic tank power-assisted fixed winch hoist for overcoming the defects of the prior art, which can additionally increase the door opening force and solve the problems of damage, non-lifting of a gate and maintenance of the gate caused by overload start of a power winding drum in the past under special conditions.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

the utility model provides a fixed hoist headstock gear of hydraulic pressure box helping hand, includes the gate pier, establishes the gate in the gate pier to and establish the frame bridge in the gate pier top, the gate includes main gate and sediment outflow gate, install the power reel on the frame bridge, location and reverse winding have first wire rope and second wire rope on the power reel, and the free end and the gate of first wire rope are connected, and the free end of second wire rope links firmly with the fixed pulley group of establishing on the frame bridge after the movable pulley group of hanging the head is walked around in gate back water surface direction, and the hanging head below is connected with the water tank, is equipped with the heavy pond in the lock chamber bottom that the water tank corresponds.

The top of the water tank is provided with an opening, and the initial height of the opening is lower than that of the sand discharge gate.

The bottom of the water tank is provided with a plurality of drain holes.

The top of water tank is equipped with the hand-basket, and the hand-basket top is equipped with the lug, and the lug is connected with the couple of hanging the head bottom through the pivot.

The lateral part of water tank is equipped with the gyro wheel, the lateral wall of sedimentation tank is vertical to be equipped with gyro wheel matched with guide rail.

And a drainage ditch is formed in the downstream direction of the sedimentation tank.

The utility model adopts the scheme and has the following advantages:

on the basis that the sand discharge gate was offered to the main gate in the past, increased the water tank, through location and reverse winding have first wire rope and second wire rope on the power reel, when the power reel rotates and drives the sand discharge gate through first wire rope and rise, water and silt let down into the water tank, water tank gravity increases, the water tank along the guide rail subsidence pull down the power reel through the second wire rope, effectively increased the power of opening, reduced the output power of power reel, the energy saving, stable line current, protection consumer, the emergence of effectively reducing the sudden accident.

Description of the drawings:

fig. 1 is a schematic structural view of the present utility model.

In the figure, 1, a gate pier, 2, a bridge girder, 3, a main gate, 4, a sand discharge gate, 5, a power drum, 6, a first steel wire rope, 7, a second steel wire rope, 8, a hanging head, 9, a movable pulley block, 10, a fixed pulley block, 11, a water tank, 12, a sedimentation tank, 13, a drainage hole, 14, a lifting basket, 15, a lifting lug, 16, a rotating shaft, 17, a roller, 18, a guide rail, 19 and a drainage ditch.

The specific embodiment is as follows:

in order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings.

As shown in fig. 1, a hydraulic tank body assisted fixed winch hoist comprises a gate pier 1, a gate arranged in the gate pier 1 and a frame bridge 2 arranged above the gate pier 1, wherein the gate comprises a main gate 3 and a sand discharge gate 4, a power drum 5 is arranged on the frame bridge 2, a first steel wire rope 6 and a second steel wire rope 7 are positioned on the power drum 5 and reversely wound, the first steel wire rope 6 and the second steel wire rope 7 can be one steel wire rope or two steel wire ropes, the two steel wire ropes are fixed in the middle of the power drum 5, the two sides of the power drum 5 are reversely wound, the free end of the first steel wire rope 6 is connected with the gate and used for driving the sand discharge gate 4 and the main gate 3 to be opened upwards, the free end of the second steel wire rope 7 is fixedly connected with a fixed pulley block 10 arranged on the frame bridge 2 after bypassing a movable pulley block 9 of a hanging head 8 in the water surface direction of the gate, a water tank 11 is connected below the hanging head 8, and a sink 12 is arranged at the bottom of a corresponding lock chamber of the water tank 11, and the depth of the sink 12 can be increased through the movable pulley block 9 for reducing the depth of the sink 12.

The top of the water tank 11 is provided with an opening, the initial height of the water tank is lower than that of the sand discharge gate 4, and when the sand discharge gate 4 is opened, water and sediment can be ensured to directly enter the water tank 11 from the opening at the top.

The bottom of the water tank 11 is provided with a plurality of drain holes 13, and the drain holes 13 drain water to the drain ditch 19 when the water tank 11 ascends so as to be ready for the next gate lifting.

The top of the water tank 11 is provided with a lifting basket 14, the top of the lifting basket 14 is provided with a lifting lug 15, and the lifting lug 15 is connected with a hook at the bottom of the hanging head 8 through a rotating shaft 16.

The lateral part of the water tank 11 is provided with a roller 17, the side wall of the sedimentation tank 12 is vertically provided with a guide rail 18 matched with the roller 17, and the roller 17 can move up and down along the guide rail 18 so as to keep the stability of up and down movement.

A drain 19 is provided in the downstream direction of the sedimentation tank 12.

Working principle:

when the gate is lifted, the power winding drum 5 is started to rotate positively, the sand discharge gate 4 is driven to ascend by the first steel wire rope 6, water and sediment are discharged into the water tank 11, the instantaneous gravity of the water tank 11 is increased, the water tank 11 is sunk along the guide rail 18 by the roller 17, when the sand discharge gate 4 ascends to the upper limit, the first steel wire rope 6 drives the sand discharge gate 4 and the main gate 3 to synchronously ascend to the preset height, the power winding drum 5 is closed, the water tank 11 is also sunk to the gate opening height, in the process, the power winding drum 5 is pulled down by the water tank 11 by the second steel wire rope 7, the opening force is effectively increased, and the power winding drum 5 is additionally increased by the action of the gravity of the water tank 11 due to the fact that the first steel wire rope 6 and the second steel wire rope 7 are reversely wound on the power winding drum 5, so that the lifting force of the power winding drum 5 is additionally increased under the condition that the additional power of the power winding drum 5 is not increased;

when the gate is closed, the power winding drum 5 is started to rotate reversely, the gate sinks under the action of gravity, when the main gate 3 is closed, the sand discharge gate 4 continuously falls to be fully closed, the water tank 11 is lifted to the initial position, and the water tank 11 is lifted and the water and sediment in the water tank are discharged to the water drain 19 through the water drain hole 13 at the same time, so that preparation is made for next gate lifting.

The above embodiments are not to be taken as limiting the scope of the utility model, and any alternatives or modifications to the embodiments of the utility model will be apparent to those skilled in the art and fall within the scope of the utility model.

The present utility model is not described in detail in the present application, and is well known to those skilled in the art.

Claims (6)

1. The utility model provides a fixed hoist headstock gear of hydraulic pressure box helping hand, includes the gate pier, establishes the gate in the gate pier to and establish the frame bridge in the gate pier top, its characterized in that: the gate comprises a main gate and a sand discharge gate, a power winding drum is arranged on the bridge, a first steel wire rope and a second steel wire rope are positioned on the power winding drum and reversely wound, the free end of the first steel wire rope is connected with the gate, the free end of the second steel wire rope is fixedly connected with a fixed pulley block arranged on the bridge after bypassing a movable pulley block of the lifting head in the direction of the back water surface of the gate, a water tank is connected below the lifting head, and a sedimentation tank is arranged at the bottom of a corresponding lock chamber of the water tank.

2. The hydraulic tank assisted fixed winch hoist according to claim 1, characterized in that: the top of the water tank is provided with an opening, and the initial height of the opening is lower than that of the sand discharge gate.

3. The hydraulic tank assisted fixed winch hoist according to claim 1, characterized in that: the bottom of the water tank is provided with a plurality of drain holes.

4. The hydraulic tank assisted fixed winch hoist according to claim 1, characterized in that: the top of water tank is equipped with the hand-basket, and the hand-basket top is equipped with the lug, and the lug is connected with the couple of hanging the head bottom through the pivot.

5. The hydraulic tank assisted fixed winch hoist according to claim 1, characterized in that: the lateral part of water tank is equipped with the gyro wheel, the lateral wall of sedimentation tank is vertical to be equipped with gyro wheel matched with guide rail.

6. The hydraulic tank assisted fixed winch hoist according to claim 1, characterized in that: and a drainage ditch is formed in the downstream direction of the sedimentation tank.

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