CN212224011U

CN212224011U - Dredging device for river development

Info

Publication number: CN212224011U
Application number: CN202020620441.2U
Authority: CN
Inventors: 陈素惠; 莫泽鑫; 胡进
Original assignee: Guangdong Zhongfan Construction Co ltd
Current assignee: Guangdong Zhongfan Construction Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-12-25
Anticipated expiration: 2030-04-22

Abstract

The utility model relates to a desilting device is used in river development, including the desilting arm, the desilting arm includes that desilting pipe, coaxial fixed cover locate the central disc of desilting pipe, install in the central disc and carry out the rabbling mechanism and the drive rabbling mechanism that revolute around the axis of central disc and carry out the drive mechanism that revolutes, the rabbling mechanism includes that the axis around the central disc carries out the revolution and carries out the (mixing) shaft and the stirring wheel of rotation in the (mixing) shaft around self axis. The utility model discloses have and effectively reduce and inhale the silt pipe and take place the possible effect of jam.

Description

Dredging device for river development

Technical Field

The utility model belongs to the technical field of the hydraulic engineering technique and specifically relates to a desilting device is used in river development.

Background

River channel desilting generally refers to the treatment of river channels, and belongs to hydraulic engineering. The silt deposited at the river bottom is blown and stirred into turbid water through mechanical equipment and flows away along with river water, so that the dredging function is achieved. At present, river channel dredging is developed from the traditional hydraulic engineering target which is only used for improving flood control, waterlogging drainage and irrigation capacity of the river channel to the ecological water conservancy target in the past, namely, the traditional hydraulic engineering target contains the engineering purpose of reducing the endogenous pollution of the river channel in the targets of a plurality of river channel dredging projects and providing guarantee for improving the water quality of the river channel.

At present, the Chinese utility model patent with the publication number of CN204385800U, the name of the device is a dredging device in the water conservancy process, which comprises a ship body, wherein one end of the upper part of the ship body is provided with a dredging arm, one end of the dredging arm is connected with a connector, the middle part of the connector is provided with a micro motor, the micro motor is connected with a transmission shaft, the transmission shaft is connected with an impeller, the upper part of the connector is connected with a silt suction pipe, the side surface of the connector is provided with an air inlet pipe, the air inlet pipe is connected with a high-pressure air pipe, one end of the sludge suction pipe is connected with a sludge pump, the liquid outlet end of the sludge pump is connected with a solid-liquid separation device, one end of the solid-liquid separation device is provided with a drain pipe, the other end of the solid-liquid separation device is connected with a shaftless screw conveyor, one end of the shaftless conveyor is provided with a support frame, and the lower part of one end of the shaftless screw conveyor is provided with a waste residue delivery wagon.

The defects of the prior art are as follows: the connector rotates through the impeller and circles the silt, blows in impeller department through the intake pipe with gaseous including high compression pump for the silt of bottom is kicked up fully, then siphons away the river water that has the silt through inhaling the silt pipe, nevertheless in the in-service use in-process, blows the effect at the aquatic to pivoted impeller not good, has the silt of great granule to be adsorbed in inhaling the silt pipe, thereby causes the jam of inhaling the silt pipe easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a desilting device is used in river development to the not enough that prior art exists, the utility model aims at providing a desilting device is used in river development, and its advantage lies in effectively reducing and inhales the possibility that the silt pipe takes place to block up.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

content of the master right: the utility model provides a desilting device for river development, includes the desilting arm, the desilting arm includes that desilting pipe, coaxial fixed cover locate the center disk of desilting pipe, install in the center disk and carry out the rabbling mechanism and the drive rabbling mechanism that revolute around the axis of center disk, the rabbling mechanism carries out the (mixing) shaft and the stirring wheel of fixed connection in the (mixing) shaft of rotation around the axis of center disk revolution and around self axis.

Through adopting above-mentioned technical scheme, when carrying out the desilting to the river course, stretch into the aquatic with the desilting pipe through the desilting arm, the (mixing) shaft rotates around self axis and drives the rotation of drive stirring wheel, thereby stir the deposit at the bottom of a river silt, smash the silt of great granule, thereby drive mechanism drive (mixing) shaft carries out the revolution around central disk axis and carries out intensive mixing to the silt of desilting pipe week side simultaneously, make stirring effect better, the desilting pipe is siphoned away silt water, effectively reduce the possibility that the desilting pipe took place to block up.

The present invention may be further configured in a preferred embodiment as: the stirring mechanism is provided with a plurality of groups and is distributed around the axis of the central disc.

Through adopting above-mentioned technical scheme, rabbling mechanism is provided with the multiunit and stirs the silt of desilting pipe perisporium simultaneously, improves stirring efficiency to improve the absorption silt content of desilting pipe and effectively improve the crushing effect to silt.

The present invention may be further configured in a preferred embodiment as: the transmission mechanism comprises a first inner gear ring coaxially and fixedly connected to the central disc, a central gear coaxially sleeved on the dredging pipe in a rotating mode, a planetary gear externally meshed with the central gear and internally meshed with the first inner gear ring, and a driving assembly driving the central gear to rotate, and the stirring shaft is coaxially and fixedly connected to the planetary gear.

Through adopting above-mentioned technical scheme, drive assembly drives sun gear clockwise to drive planetary gear and carry out anticlockwise rotation around self axis and carry out clockwise rotation around the axis of center plate simultaneously, thereby realize the rotation and the revolution of (mixing) shaft.

The present invention may be further configured in a preferred embodiment as: the driving assembly comprises a second inner gear ring coaxially arranged on the central gear, a driving gear meshed with the second inner gear ring and a waterproof motor, an output shaft of the waterproof motor is coaxially and fixedly inserted in the driving gear, the dredging pipe is fixedly connected with a fixing plate, and the waterproof motor is fixedly connected to the fixing plate.

Through adopting above-mentioned technical scheme, waterproof motor drive driving gear clockwise turning drives sun gear through the second ring gear and carries out clockwise turning.

The present invention may be further configured in a preferred embodiment as: fixedly connected with connecting rod between center plate and the desilting pipe, the connecting rod is provided with many and distributes around the axis of desilting pipe, the one end fixed connection of connecting rod is in the terminal surface of center plate in the lateral wall of desilting pipe and other end fixed connection.

Through adopting above-mentioned technical scheme, be provided with the connecting rod, improve the structural stability of center plate and improve its bearing capacity.

The present invention may be further configured in a preferred embodiment as: the stirring wheel comprises a plurality of fixed sleeves and a plurality of stirring blades, wherein the coaxial fixed sleeves are arranged on the stirring shaft, the fixed sleeves are distributed along the axis direction of the stirring shaft, the stirring blades are fixedly connected to the peripheral wall of the fixed sleeves and distributed around the axis of the fixed sleeves, and the stirring blades and the axis of the fixed sleeves are obliquely arranged.

Through adopting above-mentioned technical scheme, the axis of stirring leaf and fixed cover is the slope setting, thereby the stirring leaf of being convenient for rotates the in-process and forms the vortex to the river and make the silt of bottom raise fully, and fixed cover is provided with a plurality ofly and distributes along the (mixing) shaft direction, stirs the silt that just is located not co-altitude position that raises simultaneously, improves stirring efficiency.

The present invention may be further configured in a preferred embodiment as: the fixed sleeves on two adjacent stirring shafts are distributed in a staggered manner.

Through adopting above-mentioned technical scheme, two fixed covers on the (mixing) shaft of adjacent are the dislocation and distribute, are convenient for go up silt to co-altitude and carry out intensive mixing and smashing.

The present invention may be further configured in a preferred embodiment as: the lower extreme fixedly connected with desilting head of desilting pipe, be provided with the filter screen in the desilting head.

Through adopting above-mentioned technical scheme, the inside filter screen that is equipped with of desilting head, the effect of filter screen lies in, separates the fender and prevents to inhale the desilting pipe with big debris, prevents that big debris from blockking up the desilting pipe, guarantees the normal desilting of desilting pipe, further reduces the desilting pipe and takes place the possibility of blockking up.

The present invention may be further configured in a preferred embodiment as: the linear distance between the stirring blade at the lowest end of the stirring shaft and the central disc is greater than the linear distance between the dredging head and the central disc.

Through adopting above-mentioned technical scheme, the straight-line distance between the stirring leaf of the least significant end on the (mixing) shaft and the center disk is greater than the straight-line distance between desilting head and the center disk for the stirring leaf stirs earlier, inhales silt again in the silt suction pipe, desilts better.

To sum up, the utility model discloses a following at least one useful technological effect:

when the river channel is desilted, the desilting pipe is stretched into water through the desilting arm, the rotating shaft rotates around the axis of the rotating shaft to drive the stirring wheel to rotate, so that sludge deposited at the bottom of the river is stirred, large-particle sludge is crushed, and meanwhile, the stirring shaft is driven by the transmission mechanism to revolve around the axis of the central disc so as to fully stir the sludge on the peripheral side of the desilting pipe, so that the stirring effect is better, the sludge water is sucked away by the sludge sucking pipe, and the possibility of blockage of the sludge sucking pipe is effectively reduced;

the stirring leaf is the slope setting with the axis of fixed cover, thereby the stirring leaf of being convenient for rotates the in-process and forms the vortex to the river and make the silt of bottom raise fully, and fixed cover is provided with a plurality ofly and distributes along the (mixing) shaft direction, stirs the silt that just is located the not co-altitude position that raises simultaneously, improves stirring efficiency.

Drawings

FIG. 1 is a schematic structural view of a dredging apparatus for river development in the embodiment;

fig. 2 is an exploded view of the structure of the center plate and the fixing ring in the embodiment.

In the figure, 1, a dredging arm; 11. dredging the pipe; 111. dredging the head; 112. a filter screen; 113. a connecting rod; 114. a fixing plate; 12. a central disk; 121. a fixing ring; 13. a transmission mechanism; 131. a first ring gear; 132. a sun gear; 133. a planetary gear; 14. a stirring mechanism; 141. a stirring shaft; 142. a stirring wheel; 1421. fixing a sleeve; 1422. stirring blades; 2. a transmission assembly; 21. a second ring gear; 22. a driving gear; 23. waterproof motor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a desilting device is used in river development, including the desilting equipment body and set up in the desilting arm 1 of desilting equipment body, desilting arm 1 is including being desilting pipe 11, the coaxial fixed cover 1421 of vertical setting locate the center plate 12 of desilting pipe 11, install in center plate 12 and carry out the rabbling mechanism 14 that revolves and drive rabbling mechanism 14 and carry out the drive mechanism 13 that revolves around the axis of center plate 12. One end of the dredging pipe 11 is connected with a dredging pump (not shown in the figure) and the other end is fixedly connected with a dredging head 111, and a filter screen 112 is arranged in the dredging head 111. Fixedly connected with connecting rod 113 between central disk 12 and the desilting pipe 11, connecting rod 113 is provided with many and distributes around the axis of desilting pipe 11, and the one end fixed connection of connecting rod 113 is in the up end of the lateral wall of desilting pipe 11 and other end fixed connection in central disk 12.

The transmission mechanism 13 includes a first ring gear 131 coaxially and fixedly connected to the lower end surface of the central disc 12, a central gear 132 coaxially and rotatably sleeved on the dredging pipe 11 and disposed in the first ring gear 131, a planetary gear 133 externally engaged with the central gear 132 and internally engaged with the first ring gear 131, and a driving component for driving the central gear 132 to rotate. The sun gear 132 is located below the sun gear 12, the planet gears 133 are located between the sun gear 132 and the first ring gear 131, and the planet gears 133 are provided in four and distributed around the axial direction of the sun gear 12. The lower end surface of the first internal gear ring 131 is coaxially and fixedly connected with a fixing ring 121 through bolts, and the upper end surface of the fixing ring 121 abuts against the lower end surface of the planetary gears 133 to effectively prevent the planetary gears 133 from being separated from the first internal gear ring 131. The driving assembly comprises a second ring gear 21 coaxially and fixedly connected to the lower end surface of the central gear 132, a driving gear 22 meshed with the second ring gear 21, and a waterproof motor 23 with an output shaft coaxially and fixedly inserted in the driving gear 22, the dredging pipe 11 is fixedly connected with a fixing plate 114 positioned below the central disc 12, and the waterproof motor 23 is fixedly connected to the upper end surface of the fixing plate 114.

The stirring mechanism 14 includes a stirring shaft 141 with a vertically arranged and coaxially fixed upper end inserted in the planetary gear 133 and a stirring wheel 142 fixedly connected to the stirring shaft 141, the stirring wheel 142 includes a plurality of fixing sleeves 1421 with coaxial fixing sleeves 1421 arranged on the stirring shaft 141 and distributed along the axial direction of the stirring shaft 141 and a plurality of stirring blades 1422 fixedly connected to the peripheral wall of the fixing sleeves 1421 and distributed around the axial line of the fixing sleeves 1421, and the stirring blades 1422 are obliquely arranged with the axial line of the fixing sleeves 1421. The fixing sleeves 1421 on two adjacent stirring shafts 141 are distributed in a staggered manner, and the linear distance between the stirring blade 1422 at the lowest end of the stirring shaft 141 and the central disk 12 is greater than the linear distance between the dredging head 111 and the central disk 12.

The implementation principle of the embodiment is as follows: when dredging the river channel, through stretching into dredging pipe 11 to the river bottom, start waterproof motor 23 and drive driving gear 22 clockwise rotation, drive sun gear 132 clockwise rotation through second ring gear 21, thereby it carries out anticlockwise rotation simultaneously around the axis of self axis to drive planetary gear 133, thereby realize the rotation and the revolution of (mixing) shaft 141, the axis of rotation drives stirring leaf 1422 and rotates the in-process and form the vortex to the river water and make the silt of bottom to lift fully, stirring leaf 1422 on the different heights on the same root (mixing) shaft 141 carries out abundant crushing to the silt of lifting, it forms silt muddy water to turn over silt, the desilting pump provides pressure and passes through desilting head 111 with silt water suction.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a desilting device for river development, includes desilting arm (1), its characterized in that: the dredging arm (1) comprises a dredging pipe (11), a central disc (12) arranged on the dredging pipe (11) and a coaxial fixing sleeve (1421), a stirring mechanism (14) which is arranged on the central disc (12) and revolves around the axis of the central disc (12) and a transmission mechanism (13) which drives the stirring mechanism (14) to revolve, wherein the stirring mechanism (14) comprises a stirring shaft (141) which revolves around the axis of the central disc (12) and rotates around the axis of the stirring shaft (141) and a stirring wheel (142) fixedly connected to the stirring shaft (141).

2. The dredging device for river development according to claim 1, wherein: the stirring mechanisms (14) are provided with a plurality of groups and distributed around the axis of the central disc (12).

3. The dredging device for river development according to claim 1, wherein: the transmission mechanism (13) comprises a first inner gear ring (131) coaxially and fixedly connected to the central disc (12), a central gear (132) coaxially sleeved on the dredging pipe (11) in a rotating mode, a planetary gear (133) externally meshed with the central gear (132) and internally meshed with the first inner gear ring (131), and a driving assembly driving the central gear (132) to rotate, and the stirring shaft (141) is coaxially and fixedly connected to the planetary gear (133).

4. The dredging device for river development according to claim 3, wherein: the driving assembly comprises a second inner gear ring (21) coaxially arranged on the central gear (132), a driving gear (22) internally meshed with the second inner gear ring (21) and a waterproof motor (23) with an output shaft coaxially and fixedly inserted into the driving gear (22), the dredging pipe (11) is fixedly connected with a fixing plate (114), and the waterproof motor (23) is fixedly connected to the fixing plate (114).

5. The dredging device for river development according to claim 4, wherein: fixedly connected with connecting rod (113) between center plate (12) and desilting pipe (11), connecting rod (113) are provided with many and distribute around the axis of desilting pipe (11), the one end fixed connection of connecting rod (113) is in the terminal surface of the lateral wall of desilting pipe (11) and other end fixed connection in center plate (12).

6. The dredging device for river development according to claim 2, wherein: stirring wheel (142) include coaxial fixed cover (1421) locate (mixing) shaft (141) and along a plurality of fixed covers (1421) of the axis direction distribution of (mixing) shaft (141) and fixed connection in the perisporium of fixed cover (1421) and around a plurality of stirring leaf (1422) of the axis distribution of fixed cover (1421), stirring leaf (1422) is the slope setting with the axis of fixed cover (1421).

7. The dredging device for river development according to claim 6, wherein: the fixing sleeves (1421) on two adjacent stirring shafts (141) are distributed in a staggered manner.

8. The dredging device for river development according to claim 7, wherein: the lower extreme fixedly connected with desilting head (111) of desilting pipe (11), be provided with filter screen (112) in desilting head (111).

9. The dredging device for river development according to claim 8, wherein: the linear distance between the stirring blade (1422) at the lowest end of the stirring shaft (141) and the central disc (12) is greater than the linear distance between the dredging head (111) and the central disc (12).