CN212561674U - A desilting device for underground pipe gallery rainwater box culvert - Google Patents
A desilting device for underground pipe gallery rainwater box culvert Download PDFInfo
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- CN212561674U CN212561674U CN202020867695.4U CN202020867695U CN212561674U CN 212561674 U CN212561674 U CN 212561674U CN 202020867695 U CN202020867695 U CN 202020867695U CN 212561674 U CN212561674 U CN 212561674U
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Abstract
The utility model relates to a dredging device for a rainwater box culvert of an underground pipe gallery, which belongs to the technical field of box culvert dredging; the dredging device is characterized by comprising a mud loosening structure for stirring mud deposited at the bottom of a channel, cofferdam structures arranged on two opposite sides of a box culvert along the length direction of the channel so as to cofferdam a dredging section of the channel, and a water pumping structure for pumping out accumulated water in the dredging section of the channel; the cofferdam structure comprises a support frame erected above the water channel, a driving piece is installed right above the water channel on the support frame, the output end of the driving piece is connected with a steel plate, and the driving piece drives the steel plate to move up and down along the length direction perpendicular to the water channel. The utility model discloses an add cofferdam subassembly in rainwater box culvert to the realization is favorable to saving the time in cofferdam to the automatic cofferdam of desilting section, improves the efficiency of desilting.
Description
Technical Field
The utility model belongs to the technical field of the technique of box culvert desilting and specifically relates to a desilting device for underground pipe gallery rainwater box culvert is related to.
Background
The underground pipe gallery rainwater box culvert refers to a culvert built by reinforced concrete box type pipe joints, and the main function of the culvert is to facilitate the branching of a water channel so as to form a larger flow cross section.
The flow velocity of rainwater flowing from the rainwater box culvert with the large gradient to the rainwater box culvert with the small gradient is reduced, and silt and suspended solids carried in the rainwater are easy to deposit in the box culvert with the small gradient and the large size; in addition, the rainwater flow and the flow velocity of the box culvert accommodated in dry seasons are far smaller than the value of the rain seasons, so that large-particle suspended matters which can be taken away by rainwater in the rain seasons are deposited in the dry seasons. Therefore, the problem of siltation easily occurs to a plurality of rainwater box culverts with larger sizes, and siltation in the rainwater box culverts will influence the health of residents and the normal operation of cities if not cleaned in time.
In order to solve the siltation problem in the rainwater box culvert, the prior Chinese utility model patent with the publication number of CN207597575U discloses a handheld desilting device suitable for a large-size box culvert, which comprises a desilting gear, wherein the desilting gear comprises a plurality of groups of helical blades arranged in parallel; the rollers are arranged on two sides of the dredging gear; the dredging baffle is covered above the dredging gear and the roller; the handle is arranged in a handle mounting hole of the dredging baffle, a through hole is formed in the handle, and the through hole is communicated with the space below the dredging baffle; and the water hose is used for communicating a high-pressure water source and shaking hands, and the high-pressure water source is conveyed to the dredging gear below the dredging baffle through the water hose and the shaking hands. This prior art stirs, erodes through the silt to in the box culvert, makes silt become loose state back, as long as there is water to pass through in the box culvert, can wash away the silt of being broken up to reach the purpose of carrying out the desilting to the rainwater box culvert.
The above prior art solutions have the following drawbacks: when rainwater exists in the rainwater box culvert, the dredging section is separated from the upstream and downstream sides of the dredging section by manually and temporarily adopting a gunny bag filled with gravels, and the silt in the dredging section can be cleaned by using the dredging equipment after the water body accumulated in the dredging section is pumped out by using a centrifugal water pump; however, the manual carrying of the sacks filled with sand and stones is laborious and the working efficiency is low; therefore, it is desirable to provide a dredging device which is convenient for dredging the rainwater box culvert of the underground pipe gallery.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a desilting device for underground pipe gallery rainwater box culvert through add the cofferdam subassembly in the rainwater box culvert to the realization is favorable to saving the time in cofferdam to the automatic cofferdam of desilting section, improves the efficiency of desilting.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a dredging device for a rainwater box culvert of an underground pipe gallery comprises a mud loosening structure for stirring mud deposited at the bottom of a canal, cofferdam structures arranged at two opposite sides of the box culvert along the length direction of the canal so as to cofferdam a dredging section of the canal, and a water pumping structure for pumping out accumulated water in the dredging section of the canal; the cofferdam structure comprises a support frame erected above the water channel, a driving piece is installed right above the water channel on the support frame, the output end of the driving piece is connected with a steel plate, and the driving piece drives the steel plate to move up and down along the length direction perpendicular to the water channel.
By adopting the technical scheme, when dredging is needed, the driving piece is started firstly, so that the driving piece drives the steel plate to enter the water channel, and the steel plate has an interception effect on water in the water channel; then, starting the water pumping structure, pumping out the water stored in the dredging section enclosed by the steel plates of the two cofferdam structures so as to facilitate the sludge loosening assembly to loosen or smash the sludge deposited at the bottom of the dredging section; then, the driving piece is started again, so that the driving piece drives the steel plate to move in the direction far away from the ditch, and at the moment, the water flow washes away the sludge which is loosened or crushed, and then the dredging work of the box culvert is completed; according to the invention, the traditional gunny bag filled with sand is replaced by the steel plate, and the steel plate is connected with the driving piece for driving the steel plate to move up and down, so that the manpower is saved, and the dredging efficiency is improved.
The present invention may be further configured in a preferred embodiment as: the length of the steel plate perpendicular to the moving direction of the steel plate is equal to the width of the water channel.
Through adopting above-mentioned technical scheme, when the driving piece when pushing away the steel sheet into the ditch, two lateral walls that the steel sheet is close to the ditch offset with two lateral walls of ditch respectively, are favorable to reducing the possibility that rivers get into in the desilting section to the probability that the splash splashes when reducing the pine mud subassembly and stirring up silt.
The present invention may be further configured in a preferred embodiment as: the supporting frame arranged close to the upper stream of the water channel is provided with a reinforcing column along the moving direction of the steel plate, the steel plate is provided with a sliding hole along the length direction of the reinforcing column, the reinforcing column is connected with the sliding hole in a sliding mode, one end of the reinforcing column is fixed to the supporting frame, and one end, far away from the supporting frame, of the reinforcing column is fixed to the bottom of the water channel.
Through adopting above-mentioned technical scheme, the cofferdam structure that is close to the ditch upper reaches is equipped with the enhancement post, and the one end of strengthening the post is fixed in the support frame, strengthens the bottom that the other end of post is fixed in the ditch to under the supporting role of strengthening the post, the steel sheet supports the reinforcing of water-resistant impact capacity, is favorable to prolonging the life of steel sheet.
The present invention may be further configured in a preferred embodiment as: and a plurality of groups of reinforcing columns in the cofferdam structure are arranged close to the upstream of the water channel at intervals along the width direction of the water channel.
Through adopting above-mentioned technical scheme, because the steel sheet that is close to the ditch upper reaches setting receives the impact force of rivers great, consequently, set up the multiunit along the width direction interval of ditch and strengthen the post, be favorable to improving the holistic shock resistance of steel sheet to improve the life of steel sheet.
The present invention may be further configured in a preferred embodiment as: the structure of drawing water is including locating the suction pump in the box culvert, the water inlet of suction pump is connected with the drinking-water pipe, the delivery port of suction pump is connected with the drain pipe.
Through adopting above-mentioned technical scheme, after enclosing the desilting section, can stretch into the desilting section with the one end that the suction pump was kept away from to the drinking-water pipe, pull the one end of keeping away from the suction pump with the drain pipe simultaneously toward the low reaches of desilting section, then start the suction pump, the water that stores up in the desilting section can be taken out along with the drinking-water pipe to finally arrange the low reaches to the desilting section through the drain pipe.
The present invention may be further configured in a preferred embodiment as: the pine mud structure is including locating two bounding walls between the support frame, two the bounding wall is located the both sides of ditch respectively, just the length direction sliding connection of bounding wall along the ditch has the pine mud subassembly, the bounding wall is equipped with the drive the gliding drive assembly of length direction of pine mud subassembly along the ditch.
By adopting the technical scheme, the loose mud structure comprises two enclosing plates, and the arrangement of the two enclosing plates can reduce the possibility that the mud flies out from the two sides of the ditch; the coaming is connected with a mud loosening component in a sliding way along the length direction of the ditch, so that the mud loosening component can stir and crush the mud at each position of the dredging section; in addition, the driving component for driving the mud loosening component to slide along the length direction of the water channel is arranged on the enclosing plate, so that the problems of labor waste and low efficiency of manual movement can be solved.
The present invention may be further configured in a preferred embodiment as: the mud loosening assembly comprises a sliding seat, a mud loosening motor, a stirring shaft and a propeller blade, wherein the sliding seat is connected with the enclosing plate in a sliding mode along the length direction of the water channel; wherein the propeller blade portion extends to the bottom of the raceway.
By adopting the technical scheme, the mud loosening motor is started, the mud loosening motor drives the stirring shaft and the propeller blades on the stirring shaft to rotate, and the propeller blades stir and crush the sludge deposited at the bottom of the ditch in the rotating process; in addition, the propeller blade part extends to the bottom of the ditch, which is beneficial to thoroughly stirring and smashing the sludge deposited at the bottom of the ditch.
The present invention may be further configured in a preferred embodiment as: drive assembly including install in the bounding wall deviate from the servo motor of ditch one side and with servo motor's output shaft fixed connection's lead screw, the length direction of lead screw is unanimous with the length direction of ditch, just the sliding seat with lead screw thread fit, the sliding seat is close to one side of bounding wall is equipped with the restriction the spacing seat of sliding seat pivoted, the bounding wall is followed the length direction of lead screw seted up with the spacing groove of spacing seat looks adaptation, spacing seat with spacing groove sliding connection, just the confession has been seted up to the bounding wall the gliding slide of ditch length direction is followed to the (mixing) shaft.
By adopting the technical scheme, when the servo motor is started, the servo motor drives the screw rod to rotate, and the mud loosening assembly can move back and forth along the slide way under the limiting action of the limiting seat and the limiting groove on the sliding seat; when the mud loosening component slides along the limiting groove and starts the mud loosening motor on the mud loosening component, the mud loosening component can smash mud on each position of the dredging section.
To sum up, the utility model discloses a following at least one useful technological effect:
1. when dredging is needed, the driving piece is started firstly, so that the driving piece drives the steel plate to enter the water channel, and the steel plate has an interception effect on water in the water channel; then, starting the water pumping structure, pumping out the water stored in the dredging section enclosed by the steel plates of the two cofferdam structures so as to facilitate the sludge loosening assembly to loosen or smash the sludge deposited at the bottom of the dredging section; then, the driving piece is started again, so that the driving piece drives the steel plate to move in the direction far away from the ditch, and at the moment, the water flow washes away the sludge which is loosened or crushed, and then the dredging work of the box culvert is completed; according to the invention, the traditional gunny bag filled with sand is replaced by the steel plate, and the steel plate is connected with the driving piece for driving the steel plate to move up and down, so that the manpower is saved, and the dredging efficiency is improved;
2. the cofferdam structure that is close to the ditch upper reaches is equipped with the enhancement post, and the one end of strengthening the post is fixed in the support frame, and the other end of strengthening the post is fixed in the bottom of ditch to under the supporting role of strengthening the post, the impact capacity reinforcing that the steel sheet resisted rivers is favorable to prolonging the life of steel sheet.
Drawings
FIG. 1 is a schematic view of the overall structure of the rainwater box culvert dredging device of the embodiment;
FIG. 2 is a schematic view of the overall structure of the rainwater box culvert dredging device of the embodiment when the box culvert is hidden;
fig. 3 is a schematic view of the overall structure of another angle when the box culvert is hidden by the rainwater box culvert dredging device of the embodiment.
In the figure, 1, box culvert; 2. a ditch; 21. upstream; 22. a dredging section; 23. downstream; 31. a support frame; 311. a support bar; 312. a support plate; 32. an electric push rod; 321. a push rod; 33. a steel plate; 331. a slide hole; 34. a reinforcement column; 41. a water pump; 42. a water pumping pipe; 43. a drain pipe; 51. enclosing plates; 511. a dovetail groove; 512. mounting a plate; 513. a slideway; 52. a sliding seat; 521. a dovetail seat; 53. a mud loosening motor; 54. a stirring shaft; 541. a sliding block; 55. a propeller blade; 56. a servo motor; 57. and a screw rod.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
In this embodiment: referring to fig. 1, in order to disclose a dredging device for a rainwater box culvert 1 of an underground pipe gallery,
comprises a cofferdam structure, a water pumping structure and a loose mud structure. Wherein, the cofferdam structure is equipped with two sets ofly, and two sets of cofferdam structures set up along the length direction of ditch 2, and two sets of cofferdam structures are located the both sides of box culvert 1 respectively. The water pumping structure is arranged between the two groups of cofferdam structures and mainly used for pumping away the accumulated water in the dredging section 22 enclosed by the two groups of cofferdam structures. The loose mud structure is also arranged between the two sets of cofferdam structures, and after the accumulated water in the dredging section 22 is pumped away, the loose mud structure can be adopted to stir or smash the mud deposited in the dredging section 22. After stirring loosening or stirring crushing of the sludge is completed, the cofferdam structures positioned at two sides of the box culvert 1 are opened again, so that the sludge after stirring loosening or stirring crushing is washed away by water flow, and then the dredging work of the box culvert 1 can be completed.
Referring to fig. 1, the cofferdam structure includes a support frame 31, and the support frame 31 includes two support rods 311 located at two sides of the water channel 2 in the length direction and a support plate 312 connected between the two support rods 311. The supporting plate 312 is located right above the canal 2, and the supporting rod 311 is perpendicular to the supporting plate 312. The driving piece is installed to one side of backup pad 312 deviating from ditch 2, and in this embodiment, the driving piece specifically is electric putter 32, and electric putter 32 is equipped with two sets ofly, and two sets of electric putter 32 are installed respectively in backup pad 312 and are close to the both sides of bracing piece 311, and electric putter 32's push rod 321 reciprocates along the direction of perpendicular to backup pad 312. The push rod 321 of the electric push rod 32 is fixedly connected with a steel plate 33, the steel plate 33 is positioned at one end of the push rod 321 close to the water channel 2, and the steel plate 33 is positioned right above the water channel 2. In addition, the length of the steel plate 33 in the direction perpendicular to the push rod 321 is equal to the width of the raceway 2.
When the ditch 2 in the box culvert 1 need carry out desilting, can start electric putter 32 and drive steel sheet 33 and remove toward the direction that is close to the ditch 2, make in steel sheet 33 gets into the ditch 2, at this moment, the both sides that the steel sheet 33 that gets into in the ditch 2 is close to the lateral wall of ditch 2 offset with the lateral wall of ditch 2 respectively to under the interception effect of steel sheet 33, the rainwater of desilting section 22 upper reaches 21 can not get into in the desilting section 22 in a large number. At this moment, adopt the structure of drawing water to pump away the water that stores up that two steel sheets 33 intercepted, can start the pine mud structure and stir the pine or stir the bits of broken glass to the silt in desilting section 22, be favorable to reducing the probability that the water bloom splashes when the work of pine mud structure.
Referring to FIGS. 1 and 2, to improve the stability of the steel plate 33, the embodiment is provided on the side near the upstream 21 of the dredging section 22
Reinforcing columns 34 are added in the cofferdam structure, and the reinforcing columns 34 are arranged in parallel with the supporting columns. Wherein, one end of the reinforcing column 34 close to the supporting plate 312 is fixedly arranged at one side of the supporting plate 312 facing the water channel 2, and one end of the reinforcing column 34 far away from the supporting plate 312 is fixedly arranged at the bottom of the water channel 2. In addition, a slide hole 331 is opened in the steel plate 33 at a position corresponding to the reinforcing column 34 along the longitudinal direction of the reinforcing column 34, and the reinforcing column 34 is slidably connected to the slide hole 331. Under the action of the reinforcing column 34, the impact resistance of the steel plate 33 against water is enhanced, which is beneficial to prolonging the service life of the steel plate 33. Further, the reinforcing columns 34 in this embodiment are provided with multiple sets, and the multiple sets of reinforcing columns 34 are arranged at intervals along the width direction of the water channel 2, which is beneficial to improving the overall impact resistance of the steel plate 33.
Referring to fig. 1, the water pumping structure includes a water pump 41, and the water pump 41 is installed on the side wall of the box culvert 1, which is beneficial to preventing the water pump 41 from flooding. A water inlet of the water pump 41 is connected with a water pumping pipe 42, and a water outlet of the water pump 41 is connected with a water discharging pipe 43. When the dredging section 22 is enclosed, the end of the suction pipe 42 remote from the suction pump 41 can be extended into the dredging section 22, while the end of the discharge pipe 43 remote from the suction pump 41 is pulled downstream 23 of the dredging section 22. At this point, the suction pump 41 is activated and the accumulated water in the dredging section 22 is pumped with the suction pipe 42 and finally discharged to the downstream 23 of the dredging section 22 through the discharge pipe 43.
Referring to fig. 2 and 3, the mud loosening structure includes enclosing plates 51 disposed between two oppositely disposed support frames 31, the two enclosing plates 51 are disposed at two sides of the water channel 2 in the length direction, and one end of each enclosing plate 51 close to the support rod 311 is fixedly connected to the support rod 311. Wherein the shroud 51 has a loose mud assembly slidably connected thereto along the length of the raceway 2. Specifically, the mud loosening assembly comprises a sliding seat 52 which is connected with a surrounding plate 51 in a sliding mode along the length direction of the ditch 2, a mud loosening motor 53 is installed on the sliding seat 52, an output shaft of the mud loosening motor 53 is fixedly connected with a stirring shaft 54, and the stirring shaft 54 penetrates through the surrounding plate 51 close to the stirring shaft 54 and extends towards the direction close to the surrounding plate 51 arranged oppositely. In addition, the outer peripheral side of the stirring shaft 54 is provided with a propeller blade 55, the propeller blade 55 is located right above the water channel 2, and the propeller blade 55 partially extends to the bottom of the water channel 2.
When the mud loosening motor 53 is started, the mud loosening motor 53 drives the stirring shaft 54 and the propeller blades 55 on the stirring shaft 54 to rotate, the propeller blades 55 stir up the sludge deposited at the bottom of the water channel 2 in the rotating process, and after the steel plate 33 is lifted, the stirred sludge can flow away along with water flow.
Referring to fig. 3, in order to make the stirring shaft 54 rotate smoothly, one end of the stirring shaft 54 far from the mud loosening motor 53 rotates through a bearing
A sliding block 541 is connected, and the sliding block 541 and the close coaming 51 are connected in a sliding way along the length direction of the water channel 2.
Referring to fig. 3, one of the shroud plates 51 has mounting plates extending away from the channel 2 adjacent to both sides of the support frame 31
512, install servo motor 56 on the mounting panel 512, servo motor 56 is close to one of them support frame 31 setting, and servo motor 56's output shaft fixedly connected with lead screw 57, and the one end that servo motor 56 was kept away from to lead screw 57 is rotated and is installed in the mounting panel 512 of keeping away from servo motor 56, and the length direction of lead screw 57 is unanimous with the length direction of ditch 2, lead screw 57 and sliding seat 52 screw-thread fit. Wherein, one side of the sliding seat 52 close to the surrounding plate 51 is provided with a limiting seat, and the surrounding plate 51 is provided with a limiting groove matched with the limiting seat along the length direction of the screw rod 57. In this embodiment, the limiting seat is a dovetail seat 521, and the limiting groove is a dovetail groove 511 adapted to the dovetail seat 521. In addition, the shroud 51 is provided with a slide 513 along the length direction of the screw 57 for the stirring shaft 54 to slide. Therefore, when the servo motor 56 is started, the servo motor 56 drives the screw rod 57 to rotate, and the mud loosening assembly can move back and forth along the slide way 513 under the limiting action of the dovetail seat 521 and the dovetail groove 511 on the slide seat 52, so as to stir up the mud at each position of the dredging section 22.
The implementation principle of the embodiment is as follows: when dredging is needed, the electric push rod 32 is started firstly, so that the electric push rod 32 drives the steel plate 33 to enter the water channel 2, and the steel plate 33 has an interception effect on water in the water channel 2; then, starting the water pump 41 to pump out water stored in the dredging section 22 enclosed by the steel plates 33 of the two cofferdam structures, so that the sludge loosening assembly can conveniently stir or loosen the sludge deposited at the bottom of the dredging section 22; then, the electric push rod 32 is driven again, so that the electric push rod 32 drives the steel plate 33 to move in the direction away from the ditch 2, and at the moment, the water flow washes away the stirred or crushed sludge, and the dredging work of the box culvert 1 is completed; according to the invention, the steel plate 33 is adopted to replace the traditional gunny bag filled with sand, and the steel plate 33 is connected with the electric push rod 32 for driving the steel plate to move up and down, so that the manpower is saved, and the dredging efficiency is improved.
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 (8)
1. The utility model provides a desilting device for underground pipe gallery rainwater box culvert, includes and carries out the pine mud structure of stirring, its characterized in that to the silt of deposit in ditch (2) bottom: the cofferdam structure is arranged on two opposite sides of the box culvert (1) along the length direction of the canal (2) to cofferdam the dredging section (22) of the canal (2) and the water pumping structure is used for pumping out the accumulated water in the dredging section (22) of the canal (2);
the cofferdam structure comprises a support frame (31) erected above the water channel (2), a driving piece is installed right above the water channel (2) on the support frame (31), the output end of the driving piece is connected with a steel plate (33), and the driving piece drives the steel plate (33) to move up and down along the length direction perpendicular to the water channel (2).
2. The dredging device for the rainwater box culvert of the underground pipe gallery according to claim 1, characterized in that: the length of the steel plate (33) perpendicular to the movement direction is equal to the width of the water channel (2).
3. The dredging device for the rainwater box culvert of the underground pipe gallery according to claim 1, characterized in that: the supporting frame (31) arranged close to the upstream (21) of the water channel (2) is provided with a reinforcing column (34) along the moving direction of the steel plate (33), the steel plate (33) is provided with a sliding hole (331) along the length direction of the reinforcing column (34), the reinforcing column (34) is connected with the sliding hole (331) in a sliding mode, one end of the reinforcing column (34) is fixed to the supporting frame (31), and one end, far away from the supporting frame (31), of the reinforcing column (34) is fixed to the bottom of the water channel (2).
4. The dredging device for the rainwater box culvert of the underground pipe gallery according to claim 3, characterized in that: and a plurality of groups of reinforcing columns (34) in the cofferdam structure, which are arranged close to the upstream (21) of the ditch (2), are arranged at intervals along the width direction of the ditch (2).
5. The dredging device for the rainwater box culvert of the underground pipe gallery according to claim 1, characterized in that: the structure of drawing water is including locating suction pump (41) in box culvert (1), the water inlet of suction pump (41) is connected with drinking-water pipe (42), the delivery port of suction pump (41) is connected with drain pipe (43).
6. The dredging device for the rainwater box culvert of the underground pipe gallery according to claim 1, characterized in that: the mud loosening structure comprises two enclosing plates (51) arranged between the two support frames (31), and the two enclosing plates (51) are respectively positioned on two sides of the ditch (2)
The side, just bounding wall (51) have the pine mud subassembly along the length direction sliding connection of ditch (2), bounding wall (51) are equipped with the drive the gliding drive assembly of length direction of pine mud subassembly along ditch (2).
7. The dredging device for the rainwater box culvert of the underground pipe gallery according to claim 6, characterized in that: the mud loosening assembly comprises a sliding seat (52) connected with the enclosing plate (51) in a sliding mode along the length direction of the water channel (2), a mud loosening motor (53) installed on the sliding seat (52), a stirring shaft (54) fixedly connected with an output shaft of the mud loosening motor (53), and a propeller blade (55) arranged on the outer periphery side of the stirring shaft (54).
8. The dredging device for the rainwater box culvert of the underground pipe gallery according to claim 7, characterized in that: drive assembly including install in bounding wall (51) deviate from servo motor (56) of ditch (2) one side and with output shaft fixed connection's of servo motor (56) lead screw (57), the length direction of lead screw (57) is unanimous with the length direction of ditch (2), just sliding seat (52) with lead screw (57) screw-thread fit, sliding seat (52) are close to one side of bounding wall (51) is equipped with the restriction sliding seat (52) pivoted spacing seat, bounding wall (51) are followed the length direction of lead screw (57) seted up with the spacing groove of spacing seat looks adaptation, spacing seat with spacing groove sliding connection, just supply (mixing) shaft (54) along the gliding slide (513) of ditch (2) length direction are seted up in bounding wall (51).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020867695.4U CN212561674U (en) | 2020-05-21 | 2020-05-21 | A desilting device for underground pipe gallery rainwater box culvert |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020867695.4U CN212561674U (en) | 2020-05-21 | 2020-05-21 | A desilting device for underground pipe gallery rainwater box culvert |
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| CN212561674U true CN212561674U (en) | 2021-02-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114351781A (en) * | 2021-12-01 | 2022-04-15 | 蒋相如 | Agricultural water conservancy is with blockking up quick desilting machinery of channel |
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2020
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114351781A (en) * | 2021-12-01 | 2022-04-15 | 蒋相如 | Agricultural water conservancy is with blockking up quick desilting machinery of channel |
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