CN217923426U - Small-size water sluicegate - Google Patents

Abstract

The application relates to a small-sized water conservancy gate, which comprises a gate frame, a gate, a screw rod and a lifting mechanism for driving the screw rod to lift, wherein sliding grooves are respectively formed in frames on two sides of the gate frame; the lifting mechanism is fixedly connected to the top of the gate frame, the screw rod penetrates through the top of the gate frame, the screw rod is connected to the lifting mechanism, and the gate is arranged on the screw rod; the gate comprises a fixed baffle and a plurality of movable baffles, the fixed baffle is fixedly connected to the screw, the aperture of the cavity of each movable baffle is sequentially reduced, the movable baffle with the smaller aperture is inserted into the movable baffle with the larger aperture, and the movable baffle with the smaller aperture and the fixed baffle are all connected to the movable baffle with the larger aperture in a sliding manner through two sliding parts; the movable baffle of maximum bore is fixed connection in the floodgate frame top, and a plurality of movable baffle are worn to locate by the screw rod. This application has the security when increasing the installation inspection to elevating system, and the gate can block the effect that each high water level was blocked in the channel.

Description

Small-size water sluicegate

Technical Field

The application relates to the field of water sluicegate technology, especially, relate to a small-size water sluicegate.

Background

In hydraulic engineering, the gate is one of the important components of a hydraulic building, and when the gate is closed, the gate can block flood, block tide and store water to raise the upstream water level so as to meet the requirements of upstream water taking or navigation. The gate is opened, so that flood discharge, waterlogging drainage, sand flushing, water taking or flow regulation according to the requirement of downstream water use can be realized. The sluice has wide application in water conservancy project, and is mostly built in riverway, canal system, reservoir, lake and coastal area.

At present, in a hydraulic building with a small water channel and the like and small water flow, a used water conservancy gate is a screw-type gate usually. The screw type gate comprises a gate frame, a gate, a screw and a lifting mechanism for driving the screw to lift. The embedded and sliding connection in the both sides frame of floodgate frame of gate, screw rod fixed connection gate, the floodgate frame is worn to locate by the screw rod, elevating system fixed connection in floodgate frame top, the lift route of screw rod is on a parallel with the both sides frame of floodgate frame. The lifting mechanism drives the screw rod to descend, the screw rod drives the gate to be placed in the channel, and a door closing force effect can be exerted on the gate within the range allowed by the length-to-fineness ratio of the screw rod, so that water can be retained by the gate relatively stably. Elevating system drive screw rises, and the screw rod drives the gate and keeps away from the channel diapire to flood discharge waterlogging etc..

Because the gate is lifted by the lifting screw rod, the height of the gate frame is higher than that of the gate, and the gate can slide relative to the gate frame to lift, so that the height of the gate frame is usually higher than that of the channel. When needing to install or inspect elevating system, need the climbing to ascend a height to the top of lock gate frame, the security is lower. If the height of the gate frame is the same as the height of the channel, the gate cannot block the water level higher than the gate and lower than the channel.

SUMMERY OF THE UTILITY MODEL

In the security when installing the inspection in order to increase elevating system, the gate can block each high water level in the channel, and this application provides a small-size water sluicegate.

The application provides a small-size water sluicegate adopts following technical scheme:

a small-sized water conservancy gate comprises a gate frame, a gate, a screw rod and a lifting mechanism for driving the screw rod to lift, wherein sliding grooves are respectively formed in frames on two sides of the gate frame, the gate is positioned in the sliding grooves, and the gate is connected to the gate frame in a sliding manner; the lifting mechanism is fixedly connected to the top of the gate frame, the screw rod penetrates through the top of the gate frame, the screw rod is connected to the lifting mechanism, and the gate is arranged on the screw rod; the gate comprises a fixed baffle and a plurality of movable baffles, the fixed baffle is fixedly connected to the screw, the plurality of movable baffles are provided with cavities, the diameters of the cavities of the plurality of movable baffles are sequentially reduced, the movable baffle with a smaller diameter is inserted into the movable baffle with a larger diameter, the movable baffle with a smaller diameter and the fixed baffle are all connected to the movable baffle with a larger diameter in a sliding manner all the time through two sliding parts, the two sliding parts are respectively arranged on the side walls at two sides of the movable baffle with a smaller diameter, and the other two sliding parts are respectively arranged on the side walls at two sides of the fixed baffle; the movable baffle plate with the largest caliber is fixedly connected to the top of the gate frame, and the screw rod penetrates through the movable baffle plates.

Through adopting above-mentioned technical scheme, elevating system can drive the screw rod and descend, and the screw rod drives the fixed stop and descends, and fixed connection slips out the adjustable fender of great bore in the adjustable fender of fixed stop, and all the other adjustable fenders of less bore all slip out adjacent adjustable fender of great bore according to the decline degree of fixed stop in proper order, until placing fixed stop in the ditch diapire, carry out the manger plate to the ditch and keep off the tide. Elevating system drive screw rises, and the screw rod drives fixed stop and rises, and the adjustable fender of less bore all slides in proper order into the adjustable fender of adjacent great bore according to fixed stop's the degree of rising, and the difference in height appears with the ditch diapire in fixed fender, can carry out flood discharge waterlogging. Because the height of the gate can be changed by extending and retracting the movable baffle, the gate frame does not need to reserve a space for the gate to slide up and down relative to the gate frame, and the gate can block the water level at each height in the ditch. Therefore, the gate frame does not need to be higher than the water channel by the height required by the up-and-down sliding of the gate, the height difference between the lifting mechanism and the water channel bank is small or free of height difference, workers can go to the top of the gate frame without climbing, and the safety of the lifting mechanism during installation and inspection is improved.

Optionally, the sliding part includes a sliding rail and a sliding block, the sliding rail is embedded and fixedly connected to the cavity wall of the larger-caliber movable baffle, the sliding rail is provided with a groove, the groove extends axially along the sliding rail, the sliding block is fixedly connected to the side wall of the adjacent smaller-caliber movable baffle, different sliding blocks are fixedly connected to the side wall of the fixed baffle, the sliding block is clamped in the groove, and the sliding rail is connected to the sliding rail in a sliding manner.

Through adopting above-mentioned technical scheme, the slider is embedded and slides and connect in the slide rail for the relatively great bore adjustable fender's of less bore adjustable fender slides more stably. And because the slide rail is embedded in the cavity wall of the movable baffle with larger caliber, the outer wall of the movable baffle with smaller caliber can be tightly attached to the cavity wall of the movable baffle with larger caliber, so that the caliber difference formed between the movable baffle with larger caliber and the movable baffle with smaller caliber is smaller, and a plurality of movable baffles can be simultaneously and stably embedded in the chute under the condition that the groove depth of the chute is not too large, thereby facilitating the design and processing of the gate frame. The groove wall on one side of the groove limits the sliding block to be separated from the sliding rail along the axial direction of the sliding rail, so that the movable baffle with a smaller caliber is always positioned in the cavity of the adjacent movable baffle with a larger caliber.

Optionally, a sealing gasket is arranged on the outer wall of the smaller-caliber movable baffle plate, and the sealing gasket is arranged around the height direction of the movable baffle plate.

By adopting the technical scheme, the sealing gasket seals the gap between the wall of the cavity of the adjacent large-caliber movable baffle and the outer wall of the small-caliber baffle, so that water in the water channel is difficult to flow into the cavity of the large-caliber movable baffle and then flows to the lower side of the water level of the water channel, and the influence of the sliding of the movable baffles on the water retaining and damp blocking effects is reduced.

Optionally, the inside of the sealing gasket is hollow.

Through adopting above-mentioned technical scheme, sealed inside cavity setting that is of filling up, the clearance of filling up is great, reduces sealed the pad to the influence that less bore adjustable fender adjacent great bore adjustable fender slided relatively.

Optionally, the inner cavity of the sealing gasket is provided with a spring for restoring the shape of the sealing gasket.

Through adopting above-mentioned technical scheme, when hollow sealing gasket was by the unable reconversion of adjustable fender extrusion back, the spring of compressed recovers and makes sealed the recovering of filling up, reduces sealed unable reconversion of filling up, and is difficult to carry out the condition of shutoff to the space between the outer wall of great bore adjustable fender cavity wall and less bore baffle.

Optionally, a sliding sleeve is arranged at a threaded rod penetrating position of the movable baffle plate, guide angles are arranged at opening edges at two ends of the sliding sleeve, the sliding sleeve is fixedly connected to the movable baffle plate, and the threaded rod penetrates through the sliding sleeve.

By adopting the technical scheme, the guide angles are formed at the opening edges at the two ends of the sliding sleeve, threads on the screw rod are not easy to scratch or block with the opening edges of the movable baffle, and the sliding sleeve enables the screw rod to slide relatively smoothly relative to the movable baffle.

Optionally, the lifting mechanism comprises a nut, a transmission gear and a motor driving the transmission gear to rotate, the nut is sleeved outside the nut and is in threaded connection with the screw rod, the gate frame is provided with a mounting frame used for limiting vertical movement of the nut, a rack is fixedly connected to the outer side wall of the nut, the motor is fixedly connected to the gate frame, the transmission gear is fixedly connected to the rotating output end of the motor, and the transmission gear is meshed with the rack.

Through adopting above-mentioned technical scheme, driving motor drives drive gear and rotates, and drive gear drives the nut and rotates, because the vertical removal of mounting bracket restriction nut, the screw rod moves on the inclined plane that the screw thread of nut expandes, utilizes the inclined plane, and the nut rotating has increased the distance of motion but has saved and has driven the screw rod and carry out the required strength of axial motion for the lift of screw rod is comparatively steady laborsaving.

Optionally, the screw rod overcoat has two footstep bearings, two footstep bearings are located the mounting bracket equally, two footstep bearings are located the nut both sides respectively, two footstep bearings support tightly in mounting bracket and nut respectively.

Through adopting above-mentioned technical scheme, when the screw rod descends and places fixed stop in the ditch diapire and carry out the manger plate, a pressure down is exerted to fixed stop to the screw rod for fixed stop and adjustable fender carry out the manger plate relatively more steadily. At the moment, the fixed baffle plate generates an upward reaction force on the screw, the screw tends to move upwards, the screw generates an axial load on the nut so that the nut is upwards abutted against the mounting frame, and the thrust bearing positioned on one side of the nut far away from the ditch bears the axial load generated on the nut, so that the rotating resistance of the nut relative to the mounting frame is reduced. Similarly, when the screw rod drives the fixed baffle and the movable baffle to ascend, the fixed baffle and the movable baffle generate a downward acting force on the screw rod, the screw rod has a trend of moving downward, the screw rod generates an axial load on the screw rod to enable the nut to be tightly abutted to the mounting frame, and the thrust bearing located on one side, close to the water channel, of the screw rod bears the axial load generated by the acting force on the screw rod, so that the rotating resistance of the nut relative to the mounting frame is reduced. The thrust bearings on the two sides of the nut bear the upward and downward axial loads borne by the nut respectively, and the possibility that the nut is difficult to rotate due to the fact that the nut is tightly abutted to the mounting frame by the axial loads on the screw is reduced under the condition that the thrust bearings are not arranged relatively.

Optionally, the elevating system overcoat has the protection casing that is used for doing the protection to elevating system, the protection casing can be dismantled and connect in the floodgate frame, the protection casing top is worn to locate by the screw rod.

Through adopting above-mentioned technical scheme, the protection casing keeps off the rain to prevent wind elevating system, reduces elevating system by rainwater corrosion or wind erosion and the possibility that appears damaging. And the protection casing can be dismantled and connect in the floodgate frame, is convenient for regularly open the protection casing and inspects and maintains elevating system.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the gate frame does not need to be higher than the water channel by the height required by the up-and-down sliding of the gate, the gate can block the water level at each height in the water channel, the height difference between the lifting mechanism and the water channel embankment is small or no height difference exists, workers can go to the top of the gate frame without climbing, and the safety of the lifting mechanism during installation and inspection is improved;

2. the sealing gasket reduces the influence of the slippage of the movable baffles on the water retaining and damp-blocking effect of the water channel;

3. the thrust bearings on the two sides of the nut bear the upward and downward axial loads borne by the nut respectively, and the possibility that the nut is difficult to rotate due to the fact that the nut is tightly abutted to the mounting frame by the axial loads on the screw is reduced under the condition that the thrust bearings are not arranged relatively.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 isbase:Sub>A schematic sectional view of linebase:Sub>A-base:Sub>A in fig. 1.

Fig. 3 is an enlarged schematic view of a portion B of fig. 2.

Fig. 4 is a schematic sectional view of the line C-C in fig. 1.

Fig. 5 is an enlarged schematic view of a portion D in fig. 2.

Reference numerals are as follows: 1. a gate frame; 11. a chute; 12. a mounting frame; 121. mounting grooves; 13. a screw hole; 2. a gate; 21. fixing a baffle plate; 22. a movable baffle; 221. a cavity; 3. a screw; 4. a lifting mechanism; 41. a nut; 411. a rack; 42. a transmission gear; 43. a motor; 5. a slider; 51. a slide rail; 511. a groove; 52. a slider; 6. a gasket; 61. a spring; 7. a sliding sleeve; 71. a guide angle; 8. a thrust bearing; 9. a protective cover; 91. a bending section; 92. a fixing member; 921. fixing the screw rod; 922. and (5) fixing the nut.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses small-size water sluicegate. Referring to fig. 1, 2 and 3, the small-sized water gate includes a gate frame 1, a gate 2, a screw 3, and a lifting mechanism 4 for driving the screw 3 to ascend and descend. Elevating system 4 fixed connection is in 1 roof of floodgate frame, and 1 top of floodgate frame is worn to locate by screw rod 3, and screw rod 3 is connected in elevating system 4's lift end, and screw rod 3 sets up along the direction of height of floodgate frame 1. The both sides frame of floodgate frame 1 has seted up spout 11 respectively, and spout 11 extends the setting along the direction of height of floodgate frame 1. In two spouts 11 were located to 2 both sides borders of gate card respectively, gate 2 slided and connects in gate frame 1, and gate 2 sets up in the one end that screw rod 3 is close to the ditch.

Referring to fig. 1 and 2, the gate 2 includes a fixed baffle 21 and a plurality of movable baffles 22, the fixed baffle 21 is fixedly connected to the screw rod 3, a cavity 221 is formed in the plurality of movable baffles 22, and an opening is formed in the cavity 221 of the movable baffle 22 towards the cavity wall on one side of the fixed baffle 21. The aperture of the cavity 221 of the movable baffle plates 22 is reduced in sequence, the movable baffle plate 22 with a smaller aperture is inserted into the cavity 221 of the adjacent movable baffle plate 22 with a larger aperture, the movable baffle plate 22 with a smaller aperture is connected to the adjacent movable baffle plate 22 with a larger aperture in a sliding manner through the two sliding parts 5, and the two sliding parts 5 are respectively arranged on the side walls at two sides of the movable baffle plate 22 with a smaller aperture. The fixed baffle 21 is also connected to the movable baffle 22 with the smallest caliber in a sliding way through the other two sliding parts 5, and the other two sliding parts 5 are respectively arranged on the two side walls of the movable baffle 22 with the smaller caliber. The movable baffle 22 with the largest caliber is fixedly connected to the top of the gate frame 1, and the screw rod 3 penetrates through the movable baffles 22. The fixed baffle 21 and the movable baffles 22 are clamped in the sliding groove 11.

The lifting mechanism 4 can drive the screw rod 3 to descend, the screw rod 3 drives the fixed baffle 21 to descend, the movable baffle 22 fixedly connected to the fixed baffle 21 slides out of the movable baffle 22 with a larger caliber, and the other movable baffles 22 with smaller calibers slide out of the adjacent movable baffles 22 with larger calibers in sequence according to the descending degree of the fixed baffle 21 until the fixed baffle 21 is placed on the bottom wall of the water channel to block water and damp for the water channel. Elevating system 4 drive screw rod 3 rises, and screw rod 3 drives fixed stop 21 and rises, and the adjustable stop 22 of less bore all according to fixed stop 21's the ascending degree in proper order the gliding migration in adjacent adjustable stop 22 of great bore, and the difference in height appears with the ditch diapire in fixed stop 21, can carry out flood discharge waterlogging. Since the gate 2 can change height by extending and retracting the movable baffle 22, the gate frame 1 does not need to reserve a space for the gate 2 to slide up and down relative to the gate frame 1, and the gate 2 can block the water level at each height in the ditch. Therefore, the gate frame 1 does not need to be higher than the ditch by the height required by the up-and-down sliding of the gate 2, the height difference between the lifting mechanism 4 and the ditch bank is smaller or has no height difference, a worker can go to the top of the gate frame 1 without climbing and climbing, and the safety of the lifting mechanism 4 during installation and inspection is improved.

Referring to fig. 2, the sliding element 5 includes a sliding rail 51 and a sliding block 52, the sliding rail 51 is embedded in and fixedly connected to the cavity wall of the cavity 221 of the large-caliber adjustable fender 22, the sliding rail 51 extends along the height direction of the cavity 221, the sliding rail 51 is provided with a groove 511, and the groove 511 extends along the axial direction of the sliding rail 51. The slide block 52 is fixedly connected with the side wall of the adjacent smaller caliber movable baffle plate 22, and the other slide block 52 is fixedly connected with the side wall of the fixed baffle plate 21. The sliding block 52 is clamped in the groove 511, the sliding rail 51 is connected to the sliding rail 51 in a sliding manner, and a groove wall on one side of the groove 511 limits the sliding block 52 to be separated from the sliding rail 51 along the axial direction of the sliding rail 51, so that the smaller-caliber movable baffle 22 is always located in the cavity 221 of the adjacent larger movable baffle 22.

The sliding block 52 is embedded and connected to the sliding rail 51 in a sliding manner, so that the sliding of the smaller-caliber movable baffle 22 relative to the larger-caliber movable baffle 22 is stable. And because the slide rail 51 is embedded in the cavity 221 wall of the large-caliber movable baffle 22, the outer wall of the small-caliber movable baffle 22 can be tightly attached to the cavity 221 wall of the large-caliber movable baffle 22, so that the caliber difference formed between the large-caliber movable baffle 22 and the small-caliber movable baffle 22 is small, and under the condition that the groove depth of the chute 11 is not too large, a plurality of movable baffles 22 can be embedded in the chute 11 relatively stably, thereby facilitating the design and processing of the gate frame 1.

Referring to fig. 2 and 3, a sliding sleeve 7 is arranged at a penetrating position of the screw rod 3 of the movable baffle plate 22, guide angles 71 are arranged at opening edges at two ends of the sliding sleeve 7, the sliding sleeve 7 is fixedly connected to the movable baffle plate 22, and the screw rod 3 penetrates through the sliding sleeve 7.

The guide angles 71 are formed at the opening edges of the two ends of the sliding sleeve 7, threads on the screw rod 3 are not easy to scratch or block with the opening edges of the movable baffle 22, and the sliding sleeve 7 enables the screw rod 3 to slide relatively smoothly relative to the movable baffle 22.

Referring to fig. 1, 4 and 5, in order to reduce the influence of the sliding of the plurality of movable baffles 22 on the water and moisture blocking effect of the movable baffles 22, the outer wall of the movable baffle 22 with the smaller diameter is fixedly connected with a sealing gasket 6, and the sealing gasket 6 is arranged around the height direction of the movable baffle 22 with the smaller diameter. The inside cavity setting that is of sealed 6, and sealed 6 inner chambers of filling up are provided with spring 61, and the one end fixed connection of spring 61 is in the sealed 6 inner chambers of filling up the chamber wall that is close to the adjustable fender 22 of less bore.

The sealing gasket 6 seals the gap between the wall of the cavity 221 of the adjacent large-caliber movable baffle 22 and the outer wall of the small-caliber baffle, so that water in the water channel is not easy to flow into the cavity 221 of the large-caliber movable baffle 22 and then flows to the lower side of the water channel, and the influence of the sliding of the movable baffles 22 on the water retaining and damp blocking effects is reduced. The sealing gasket 6 is arranged in a hollow mode, the moving allowance of the sealing gasket 6 is large, and the influence of the sealing gasket 6 on the sliding of the small-caliber movable baffle plate 22 relative to the adjacent large-caliber movable baffle plate 22 is reduced. When hollow sealed 6 that fills up is unable reconversion after being extruded by adjustable fender 22, the spring 61 of compressed restores to the throne and fills up sealed 6 reconversion, reduces sealed 6 unable reconversion that fills up, and is difficult to carry out the condition of shutoff to the space between the outer wall of great bore adjustable fender 22 cavity 221 chamber wall and less bore baffle.

Referring to fig. 2 and 3, the lifting mechanism 4 includes a nut 41, a transmission gear 42 and a motor 43 for driving the transmission gear 42 to rotate, the nut 41 is connected to the screw rod 3 through a thread, the top wall of the gate frame 1 is fixedly connected with an installation frame 12, the installation frame 12 is provided with an installation groove 121, the opening direction of the installation groove 121 is perpendicular to the screw rod 3, the screw rod 3 penetrates through the installation frame 12, and the nut 41 connected to the screw rod 3 through a thread is located in the installation groove 121. The outer side wall of the nut 41 is fixedly connected with a rack 411, and the rack 411 is arranged around the axis of the nut 41. The motor 43 is fixedly connected to the top wall of the gate frame 1, the transmission gear 42 is fixedly connected to the output end of the motor 43, and the transmission gear 42 is meshed with the rack 411 on the nut 41 through the opening of the mounting groove 121.

Referring to fig. 2 and 3, two thrust bearings 8 are sleeved outside the screw rod 3, the two thrust bearings 8 are also positioned in the mounting groove 121, the two thrust bearings 8 are respectively positioned at two sides of the nut 41, and the thrust bearings 8 simultaneously abut against the groove wall of the mounting groove 121 and the nut 41 along the axial direction of the screw rod 3.

The driving motor 43 drives the transmission gear 42 to rotate, the transmission gear 42 drives the nut 41 to rotate, the screw rod 3 moves on the inclined plane along the unfolding of the threads of the nut 41 due to the fact that the mounting frame 12 limits the vertical movement of the nut 41, and by means of the inclined plane, the rotation of the nut 41 increases the movement distance and saves the force required by driving the screw rod 3 to move axially, so that the lifting of the screw rod 3 is stable and labor-saving.

And because the screw 3 descends and places the fixed baffle 21 on the bottom wall of the ditch for retaining water, the screw 3 applies downward pressure to the fixed baffle 21, so that the fixed baffle 21 and the movable baffle 22 can retain water relatively stably. At this time, the fixed baffle 21 generates an upward reaction force on the screw rod 3, the screw rod 3 tends to move upward, the screw rod 3 generates an axial load on the nut 41 so that the nut 41 is pressed against the mounting frame 12 upward, and the thrust bearing 8 located on the side of the nut 41 far away from the ditch bears the axial load generated on the nut 41, so that the resistance of the nut 41 to rotation relative to the mounting frame 12 is reduced.

Similarly, when the fixed baffle 21 and the movable baffle 22 are driven by the screw 3 to ascend, the fixed baffle 21 and the movable baffle 22 generate a downward acting force on the screw 3, the screw 3 tends to move downward, the screw 3 generates an axial load on the nut 41 so that the nut 41 is pressed against the mounting frame 12 downward, and at the moment, the thrust bearing 8 on the side, close to the ditch, of the nut 41 bears the axial load generated on the screw 3 by the acting force, so that the rotation resistance of the nut 41 relative to the mounting frame 12 is reduced. The thrust bearings 8 on the two sides of the nut 41 respectively bear the upward and downward axial loads borne by the nut 41, so that the possibility that the nut 41 is pressed against the mounting frame 12 by the axial load on the screw rod 3 and the nut 41 is difficult to rotate is reduced compared with the case that the thrust bearings 8 are not arranged.

Referring to fig. 1 and 3, in order to prolong the service life of the motor 43, the transmission gear 42 and the nut 41, the motor 43, the transmission gear 42 and the nut 41 are externally sleeved with the protective cover 9, the mounting frame 12 is also positioned in the protective cover 9, and the screw rod 3 penetrates through the protective cover 9. The protection casing 9 is the opening setting towards one side of floodgate frame 1, and protection casing 9 opening border is outwards buckled and is formed kink 91, and kink 91 is provided with mounting 92. The fixing member 92 includes a fixing screw 921 and a fixing nut 922, the fixing nut 922 is externally sleeved on the fixing screw 921, the fixing screw 921 is inserted in the bending portion 91, the top wall of the gate frame 1 is correspondingly provided with a screw hole 13, and the fixing screw 921 is inserted in the screw hole 13.

The protective cover 9 shields the motor 43, the transmission gear 42 and the nut 41 from rain and wind, and reduces the possibility that the motor 43, the transmission gear 42 and the nut 41 are corroded by rain or wind and damaged. And the fixing nut 922 is screwed to enable the fixing screw 921 to exit or enter the screw hole 13, so that the protective cover 9 can be detachably connected to the gate frame 1, and the protective cover 9 can be conveniently and periodically opened to inspect and maintain the lifting mechanism 4.

The implementation principle of small-size water sluicegate of this application embodiment does: the driving motor 43 and the transmission gear 42 rotate to drive the nut 41 to rotate, the driving screw 3 descends, the screw 3 drives the fixed baffle 21 to descend, the movable baffle 22 with the smaller diameter sequentially slides out of the adjacent movable baffles 22 with the larger diameter according to the descending degree of the fixed baffle 21 until the fixed baffle 21 is placed on the bottom wall of the canal to block water and damp for the canal. The motor 43 drives the nut 41 to rotate to enable the screw rod 3 to rise, the screw rod 3 drives the fixed baffle plate 21 to rise, the movable baffle plate 22 with the smaller caliber slides into the movable baffle plate 22 with the adjacent larger caliber in sequence according to the rising degree of the fixed baffle plate 21, the height difference occurs between the fixed baffle plate 21 and the bottom wall of the water channel, and flood drainage and waterlogging can be performed. Since the gate 2 can change height by extending and retracting the movable baffle 22, the gate frame 1 does not need to reserve a space for the gate 2 to slide up and down relative to the gate frame 1, and the gate 2 can block the water level at each height in the ditch. Therefore, the gate frame 1 does not need to be higher than the water channel by the height required by the up-down sliding of the gate 2, the height difference between the lifting mechanism 4 and the water channel bank is small or has no height difference, and a worker can go to the top of the gate frame 1 without climbing, so that the safety of the lifting mechanism 4 during installation and inspection is improved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. A small-size water sluicegate which characterized in that: the gate comprises a gate frame (1), a gate (2), a screw (3) and a lifting mechanism (4) for driving the screw (3) to lift, wherein sliding grooves (11) are respectively formed in frames on two sides of the gate frame (1), the gate (2) is positioned in the sliding grooves (11), and the gate (2) is connected to the gate frame (1) in a sliding manner; the lifting mechanism (4) is fixedly connected to the top of the gate frame (1), the screw (3) penetrates through the top of the gate frame (1), the screw (3) is connected to the lifting mechanism (4), and the gate (2) is arranged on the screw (3); the gate (2) comprises a fixed baffle (21) and a plurality of movable baffles (22), the fixed baffle (21) is fixedly connected to the screw rod (3), the plurality of movable baffles (22) are provided with cavities (221), the calibers of the cavities (221) of the plurality of movable baffles (22) are sequentially reduced, the movable baffle (22) with a smaller caliber is inserted into the movable baffle (22) with a larger caliber, the movable baffle (22) with a smaller caliber and the fixed baffle (21) are all connected to the movable baffle (22) with a larger caliber in a sliding mode all the time through two sliding parts (5), the two sliding parts (5) are respectively arranged on the side walls on two sides of the movable baffle (22) with the smaller caliber, and the other two sliding parts (5) are respectively arranged on the side walls on two sides of the fixed baffle (21); the movable baffle (22) with the largest caliber is fixedly connected to the top of the gate frame (1), and the screw (3) penetrates through the movable baffles (22).

2. A miniature water sluicegate according to claim 1, wherein: slider (5) include slide rail (51) and slider (52), slide rail (51) are embedded and fixed connection in cavity (221) chamber wall of great bore adjustable fender (22), recess (511) have been seted up in slide rail (51), recess (511) set up along slide rail (51) axial extension, slider (52) fixed connection is in the lateral wall of adjacent less bore adjustable fender (22), and is different slider (52) fixed connection is in the lateral wall of fixed fender (21), in recess (511) was located in slider (52) card, slide rail (51) slide and connect in slide rail (51).

3. A miniature water sluicegate according to claim 1, wherein: the outer wall of the small-caliber movable baffle (22) is provided with a sealing gasket (6), and the sealing gasket (6) is arranged around the height direction of the movable baffle (22).

4. A miniature water sluicegate according to claim 3, wherein: the sealing gasket (6) is arranged in a hollow manner.

5. A miniature water sluicegate according to claim 4, wherein: and a spring (61) for enabling the sealing gasket (6) to recover the shape is arranged in the inner cavity of the sealing gasket (6).

6. A miniature water sluicegate according to claim 1, wherein: the screw rod (3) of adjustable fender (22) are worn to establish and are located and be provided with sliding sleeve (7), leading angle (71) have been seted up at sliding sleeve (7) both ends opening border, sliding sleeve (7) fixed connection is in adjustable fender (22), sliding sleeve (7) are worn to locate by screw rod (3).

7. A miniature water sluicegate according to claim 1, wherein: elevating system (4) are including nut (41), drive gear (42) and drive gear (42) pivoted motor (43), nut (41) overcoat and threaded connection are in screw rod (3), floodgate frame (1) is provided with mounting bracket (12) that are used for restricting nut (41) vertical movement, nut (41) lateral wall fixedly connected with rack (411), motor (43) fixed connection is in floodgate frame (1), drive gear (42) fixed connection is in the rotation end of motor (43), drive gear (42) mesh rack (411).

8. A miniature water sluicegate according to claim 7, wherein: two thrust bearings (8) are sleeved outside the screw rod (3), shaft rings of the two thrust bearings (8) are fixedly connected to the screw rod (3), and the shaft rings of the two thrust bearings (8) are arranged in a back-to-back manner; two footstep bearings (8) are located mounting bracket (12) equally, two footstep bearings (8) are located nut (41) both sides respectively, mounting bracket (12) are the vertical removal of two footstep bearings (8) of restriction equally.

9. A miniature water sluicegate according to claim 1, wherein: elevating system (4) overcoat has and is used for doing protection casing (9) of protection to elevating system (4), protection casing (9) can be dismantled and connect in floodgate frame (1), protection casing (9) top is worn to locate in screw rod (3).

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