CN212417191U - Filter equipment is used in municipal administration bridge drainage - Google Patents
Filter equipment is used in municipal administration bridge drainage Download PDFInfo
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- CN212417191U CN212417191U CN202020895504.5U CN202020895504U CN212417191U CN 212417191 U CN212417191 U CN 212417191U CN 202020895504 U CN202020895504 U CN 202020895504U CN 212417191 U CN212417191 U CN 212417191U
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Abstract
The utility model discloses a filter equipment is used in municipal administration bridge drainage, including setting up the hole that leaks in the bridge, the downthehole fixed cover that leaks is equipped with first rectangle sleeve pipe, the intraductal movable sleeve of first rectangle sleeve is equipped with second rectangle sleeve pipe, and fixed cover is equipped with the collar on the second rectangle sleeve pipe, and the bottom and the top movable contact of first rectangle sleeve pipe of collar, collar screw-thread fastening are at the top of bridge, and the open mouth is established to second rectangle sheathed tube front side, sets up the first groove that the front side set up for the opening on the sheathed tube one side inner wall of second rectangle. The utility model relates to a rationally, be convenient for circulate and vibrate the filter from top to bottom, reach and be convenient for in time shake the clearance with the impurity at the filter top of slope setting and collect to collecting filter box with a net in, avoid appearing impurity and pile up the phenomenon of blockking up the filter, reduce the frequency of taking out the filter, and can take out the impurity of collecting and clear up, improve filtration efficiency, be favorable to the use.
Description
Technical Field
The utility model relates to a filtration equipment technical field especially relates to a filter equipment for municipal bridge drainage.
Background
In order to rapidly remove accumulated water on the bridge floor and prevent rainwater from accumulating on the bridge floor and permeating into a beam body to influence the durability of the bridge, when the bridge is designed, the bridge floor needs to be provided with a certain number of water drainage pipelines besides longitudinal and transverse slope drainage on the bridge floor so as to form a complete drainage system, the water drainage pipes generally have metal water drainage pipes and reinforced concrete water drainage pipes, a large amount of impurities can be contained in the drainage process of the bridge and need to be filtered, a filtering device in the prior art mostly arranges a horizontal filter screen inside a water leakage port, impurities in water are filtered through the filter screen, and the phenomenon that the water drainage pipes are blocked is avoided.
The filter screen on the current filter equipment has the shortcoming that impurity on the filter screen is not convenient for in time clear up and collect, and the filter screen is used for a long time, causes impurity to pile up the phenomenon of jam on the filter screen easily, and then reduces drainage efficiency, can not satisfy the user demand, therefore we have proposed a filter equipment for municipal bridge drainage and have been used for solving above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a filtering device for municipal bridge drainage.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a filtering device for municipal bridge drainage comprises a water leakage hole arranged in a bridge, wherein a first rectangular sleeve is fixedly sleeved in the water leakage hole, a second rectangular sleeve is movably sleeved in the first rectangular sleeve, a mounting ring is fixedly sleeved on the second rectangular sleeve, the bottom of the mounting ring is movably contacted with the top of the first rectangular sleeve, the mounting ring is fastened at the top of the bridge in a threaded manner, the front side of the second rectangular sleeve is provided with an opening, a first groove with the front side being provided with the opening is arranged on the inner wall of one side of the second rectangular sleeve, a collecting and filtering net cage with the top being provided with the opening is arranged on the inner wall of the bottom of the first groove, a filter plate which is obliquely arranged is rotatably arranged on the inner wall of the rear side of the first groove, the other side of the filter plate extends into the second rectangular sleeve, the front side of the filter plate is movably contacted with the inner wall of the front side of the first rectangular sleeve, and the rear side of the filter plate is movably, a second groove is arranged on the inner wall of the other side of the second rectangular sleeve, a first through hole is arranged on the inner wall of the other side of the second rectangular sleeve, the first through hole is communicated with the second groove, the bottom of the first through hole is arranged as an opening, a mounting plate which is obliquely arranged is arranged in the second groove, the right side of the mounting plate extends into the second rectangular sleeve and is fixed with the other side of the filter plate through threads, a rectangular block is slidably mounted at the bottom of the mounting plate, the bottom of the rectangular block is hinged with a movable rod, a sliding block is fixedly mounted on one side of the movable rod and is slidably mounted with the inner wall of the left side of the second groove, two anti-falling blocks are fixedly mounted on the inner wall of the left side of the second groove, a plurality of springs are fixedly mounted between the top of one anti-falling block positioned below the two anti-falling blocks and the bottom of the sliding block, the bottom end of, the mounting groove is kept away from on its open-ended one side inner wall from the top down fixed mounting have driving motor, the battery, singlechip and wireless remote control switch in proper order, driving motor and battery electric connection, driving motor's output shaft right-hand member extends to in the first through-hole and fixed mounting has the eccentric wheel, ball and the outside top rolling contact of eccentric wheel, the threaded fixation has the shutoff board with mounting groove matched with on the left side inner wall of first rectangular pipe, the shutoff board rotates the cover and establishes on driving motor's the output shaft.
Preferably, a pin shaft is fixedly mounted on the inner wall of the rear side of the first groove, a circular hole is formed in the front side of the filter plate, a first bearing is fixedly sleeved in the circular hole, and an inner ring of the first bearing is fixedly sleeved on the outer side of the pin shaft.
Preferably, the bottom fixed mounting of mounting panel has first T shape slide rail, and the top of rectangular block is seted up the first T shape spout that both sides are the opening setting, first T shape slide rail and first T shape spout sliding connection, and the right side fixed mounting of first T shape slide rail has the stopper.
Preferably, fixed mounting has second T shape slide rail on the left side inner wall in second groove, and the second T shape spout that top and bottom are the opening setting is seted up in the left side of sliding block, second T shape slide rail and second T shape spout sliding connection, one side that two anticreep pieces are close to each other respectively with the top and the bottom fixed connection of second T shape slide rail.
Preferably, the right side of mounting panel and the equal fixed mounting in left side of filter have the installation piece, and two first thread grooves have been seted up on the right side of an installation piece that lies in the mounting panel in two installation pieces, and the thread bush is equipped with first fastening bolt in the first thread groove, and the installation piece thread bush that lies in on the filter is established on two first fastening bolt.
Preferably, two second thread grooves are formed in the inner wall of the left side of the first rectangular sleeve, second fastening bolts are sleeved in the second thread grooves in a threaded manner, the blocking plate is sleeved on the two second fastening bolts in a threaded manner, a mounting hole is formed in one side of the blocking plate, a sealing bearing is fixedly sleeved in the mounting hole, and the inner side of the inner ring of the sealing bearing is fixedly sleeved with the outer side of the output shaft of the driving motor.
Preferably, the driving motor is electrically connected with the single chip microcomputer, the single chip microcomputer is electrically connected with the wireless remote control switch, the wireless remote control switch is provided with an external remote controller in a matching mode, and the wireless remote control switch is controlled by the external wireless remote controller.
Preferably, four third thread grooves are formed in the top of the bridge, third fastening bolts are sleeved in the third thread grooves in a threaded manner, and the mounting ring is sleeved on the four third fastening bolts in a threaded manner.
Compared with the prior art, the beneficial effects of the utility model are that:
through the first rectangular sleeve, the second rectangular sleeve, the mounting ring, the first groove, the filter plate, the collecting and filtering net cage, the second groove, the first through hole, the mounting plate, the rectangular block, the movable rod, the sliding block, the spring, the driving motor, the eccentric wheel, the storage battery and the wireless remote control switch are matched with the plugging plate, the filter plate filters accumulated water flowing through, the filtered impurities are blocked at the top of the filter plate, when the impurities at the top of the filter plate need to be cleaned and collected, the driving motor is controlled to start through an external wireless remote controller to drive the eccentric wheel to rotate for the first half circle, the rolling balls are extruded, the extruding force drives the movable rod to move upwards through the rolling balls, the movable rod drives the sliding block to slide upwards on the second T-shaped sliding rail and stretch the spring, the movable rod drives the filter plate to vibrate upwards and rotate through extruding the rectangular block and the mounting plate, so that the impurities on the filter plate slide into the collecting and filtering net, when the eccentric wheel rotates the second half circle, loosen the extrusion force to the ball gradually, the elasticity of spring passes through the sliding block and drives the carriage release lever downstream this moment, the carriage release lever passes through rectangle piece and mounting panel drive filter and rotates downwards, under the effect of eccentric wheel, make the filter circulate the tilting and vibration, reach in time clear up and collect the accumulational impurity in filter top, when needs clear up the impurity of collecting, forward rotation four third fastening bolts shift out from the third thread inslot that corresponds gradually, upwards stimulate the collar immediately and pass through second rectangle sleeve pipe and drive the filter and collect the filter box and follow first rectangle sleeve pipe and shift out, can take out the collection filter box and clear up its inside impurity, and can clear up the filter.
The utility model relates to a rationally, be convenient for circulate and vibrate the filter from top to bottom, reach and be convenient for in time shake the clearance with the impurity at the filter top of slope setting and collect to collecting filter box with a net in, avoid appearing impurity and pile up the phenomenon of blockking up the filter, reduce the frequency of taking out the filter, and can take out the impurity of collecting and clear up, improve filtration efficiency, be favorable to the use.
Drawings
Fig. 1 is a schematic sectional structural view of a municipal bridge drainage filtering device provided by the invention;
fig. 2 is an enlarged schematic view of a portion a in fig. 1.
In the figure: the device comprises a first rectangular sleeve 1, a second rectangular sleeve 2, a mounting ring 3, a first groove 4, a filter plate 5, a collecting filter net box 6, a second groove 7, a first through hole 8, a mounting plate 9, a rectangular block 10, a movable rod 11, a sliding block 12, a spring 13, a driving motor 14, an eccentric wheel 15, a storage battery 16, a wireless remote control switch 17 and a blocking plate 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a municipal bridge drainage filter device comprises a water leakage hole arranged in a bridge, a first rectangular sleeve 1 is fixedly sleeved in the water leakage hole, a second rectangular sleeve 2 is movably sleeved in the first rectangular sleeve 1, a mounting ring 3 is fixedly sleeved on the second rectangular sleeve 2, the bottom of the mounting ring 3 is movably contacted with the top of the first rectangular sleeve 1, the mounting ring 3 is fastened on the top of the bridge in a threaded manner, the front side of the second rectangular sleeve 2 is provided with an opening, a first groove 4 with the front side provided with the opening is arranged on the inner wall of one side of the second rectangular sleeve 2, a collecting filter net cage 6 with the top provided with the opening is arranged on the inner wall of the bottom of the first groove 4, a filter plate 5 which is obliquely arranged is rotatably arranged on the inner wall of the rear side of the first groove 4, the other side of the filter plate 5 extends into the second rectangular sleeve 2, the front side of the filter plate 5 is movably contacted with the inner wall of the front side of, the rear side of the filter plate 5 is movably contacted with the inner wall of the rear side of the second rectangular sleeve 2, the inner wall of the other side of the second rectangular sleeve 2 is provided with a second groove 7, the inner wall of the other side of the second rectangular sleeve 2 is provided with a first through hole 8, the first through hole 8 is communicated with the second groove 7, the bottom of the first through hole 8 is provided with an opening, a mounting plate 9 which is obliquely arranged is arranged in the second groove 7, the right side of the mounting plate 9 extends into the second rectangular sleeve 2 and is fixed with the other side of the filter plate 5 by screw threads, the bottom of the mounting plate 9 is slidably provided with a rectangular block 10, the bottom of the rectangular block 10 is hinged with a movable rod 11, one side of the movable rod 11 is fixedly provided with a sliding block 12, the sliding block 12 is slidably mounted with the inner wall of the left side of the second groove 7, two anti-off blocks are fixedly mounted on the inner wall of the left side of the second groove 7, the bottom end of the moving rod 11 extends into the first through hole 8 and is embedded with a ball, the left side inner wall of the first rectangular sleeve 1 is provided with a mounting groove, the inner wall of one side of the mounting groove, which is far away from the opening of the mounting groove, is fixedly provided with a driving motor 14, a storage battery 16, a singlechip and a wireless remote control switch 17 from top to bottom in sequence, the driving motor 14 is electrically connected with the storage battery 16, the right end of the output shaft of the driving motor 14 extends into the first through hole 8 and is fixedly provided with an eccentric wheel 15, the ball is in rolling contact with the top of the outer side of the eccentric wheel 15, a plugging plate 18 matched with the mounting groove is fixed on the left side inner wall of the first rectangular sleeve 1 through threads, and the plugging plate 18 is rotatably sleeved on the output shaft of the driving motor 14. Avoid appearing impurity and piling up the phenomenon of blockking up filter 5, reduce the frequency of taking out filter 5, and can take out the impurity of collecting and clear up, improve filtration efficiency, be favorable to the use.
In the utility model, a pin shaft is fixedly arranged on the inner wall of the rear side of a first groove 4, a circular hole is arranged on the front side of a filter plate 5, a first bearing is fixedly sleeved in the circular hole, the inner ring of the first bearing is fixedly sleeved with the outer side of the pin shaft, a first T-shaped slide rail is fixedly arranged at the bottom of a mounting plate 9, a first T-shaped slide groove with both sides arranged in an opening is arranged at the top of a rectangular block 10, the first T-shaped slide rail is in sliding connection with the first T-shaped slide groove, a limit block is fixedly arranged at the right side of the first T-shaped slide rail, a second T-shaped slide rail is fixedly arranged at the left inner wall of a second groove 7, a second T-shaped slide groove with both top and bottom arranged in an opening is arranged at the left side of a sliding block 12, the second T-shaped slide rail is in sliding connection with the second T-shaped slide groove, one side of two anti-falling blocks which are close to each other is, two first thread grooves are formed in the right side of one of the two mounting pieces, which is positioned on the mounting plate 9, first fastening bolts are sleeved in the first thread grooves, the mounting piece on the filter plate 5 is sleeved in the two first fastening bolts in a threaded manner, two second thread grooves are formed in the inner wall of the left side of the first rectangular sleeve 1, second fastening bolts are sleeved in the second thread grooves in a threaded manner, a blocking plate 18 is sleeved on the two second fastening bolts in a threaded manner, a mounting hole is formed in one side of the blocking plate 18, a sealing bearing is fixedly sleeved in the mounting hole, the inner side of an inner ring of the sealing bearing is fixedly sleeved with the outer side of an output shaft of a driving motor 14, the driving motor 14 is electrically connected with a single chip microcomputer, an external remote controller is arranged in a matching manner on the wireless remote controller 17, the single chip microcomputer is electrically connected with the wireless, four third thread grooves have been seted up at the top of bridge, and the thread bush is equipped with third fastening bolt in the third thread groove, and 3 threaded sleeve of collar are established on four third fastening bolt, the utility model relates to a rationally, be convenient for circulate and vibrate filter 5 from top to bottom, reach and be convenient for in time shake the clearance with the impurity at the 5 tops of filter that the slope set up and collect to collecting filter box 6 in, avoid appearing impurity and pile up the phenomenon of blockking up filter 5, reduce the frequency of taking out filter 5, and can take out the impurity of collecting and clear up, improve filtration efficiency, be favorable to using.
The working principle is as follows: when the bridge cleaning device is used, accumulated water at the top of a bridge enters the second rectangular sleeve 2, the filter plate 5 filters the accumulated water flowing through, the filtered impurities are blocked at the top of the filter plate 5, when the impurities at the top of the filter plate 5 need to be cleaned and collected, the wireless remote control switch 17 is controlled to be started through an external wireless remote controller, the wireless remote control switch 17 is controlled to be started through a single chip microcomputer to control the driving motor 14 to be started, the output shaft of the driving motor 14 drives the eccentric wheel 15 to rotate for the first half circle and extrude the balls, the extruding force drives the movable rod 11 to move upwards through the balls, the movable rod 11 drives the sliding block 12 to slide upwards on the second T-shaped slide rail, the spring 13 is stretched while the sliding block 12 moves upwards, meanwhile, the movable rod 11 drives the rectangular block 10 to move upwards, the rectangular block 10 drives the mounting plate 9 to rotate upwards through the first T-shaped slide rail, the, when the filter plate 5 rotates and vibrates, impurities on the filter plate 5 slide into the collecting filter net cage 6 along the inclined plane of the filter plate 5 under the action of self gravity, when the eccentric wheel 15 rotates for the second half circle, the extrusion force on the rolling balls is gradually released, the spring 13 in a stretching state resets at the moment, the elastic force of the spring 13 drives the movable rod 11 to move downwards through the sliding block 12, the movable rod 11 drives the rectangular block 10 to move downwards, the rectangular block 10 pulls the mounting plate 9 to rotate downwards through the first T-shaped sliding rail, the mounting plate 9 drives the filter plate 5 to rotate downwards, the filter plate 5 rotates up and down circularly and vibrates under the action of the eccentric wheel 15, when the filter plate 5 vibrates and rotates, the impurities accumulated at the top of the filter plate 5 are cleaned and collected timely, and the phenomenon that the impurities block the filter plate 5 is avoided;
when the impurity of collecting needs is cleared up, four third fastening bolts of forward rotation, third fastening bolt shifts out from the third thread groove that corresponds gradually in the time of the pivoted, upwards stimulate the collar 3 immediately, the collar 3 drives second rectangle sleeve pipe 2 and shifts out from first rectangle sleeve pipe 1, drive filter 5 and collect filter box 6 and shift out from first rectangle sleeve pipe 1 when second rectangle sleeve pipe 2 moves up, can take out collection filter box 6 and clear up its inside impurity, because the front side of second rectangle sleeve pipe 2 is established to the opening, and then can clear up filter 5.
In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A municipal bridge drainage filtering device comprises a water leakage hole arranged in a bridge, wherein a first rectangular sleeve (1) is fixedly sleeved in the water leakage hole, and the filtering device is characterized in that a second rectangular sleeve (2) is movably sleeved in the first rectangular sleeve (1), a mounting ring (3) is fixedly sleeved on the second rectangular sleeve (2), the bottom of the mounting ring (3) is movably contacted with the top of the first rectangular sleeve (1), the mounting ring (3) is fastened at the top of the bridge in a threaded manner, an opening is formed in the front side of the second rectangular sleeve (2), a first groove (4) with the front side provided with the opening is formed in the inner wall of one side of the second rectangular sleeve (2), a collecting and filtering net cage (6) with the top provided with the opening is placed on the inner wall of the bottom of the first groove (4), a filtering plate (5) with an inclined structure is rotatably installed on the inner wall of the rear side of the first groove (4), the other side of the filter plate (5) extends into the second rectangular sleeve (2), the front side of the filter plate (5) is movably contacted with the inner wall of the front side of the first rectangular sleeve (1), the rear side of the filter plate (5) is movably contacted with the inner wall of the rear side of the second rectangular sleeve (2), the inner wall of the other side of the second rectangular sleeve (2) is provided with a second groove (7), the inner wall of the other side of the second rectangular sleeve (2) is provided with a first through hole (8), the first through hole (8) is communicated with the second groove (7), the bottom of the first through hole (8) is provided with an opening, a mounting plate (9) which is obliquely arranged is arranged in the second groove (7), the right side of the mounting plate (9) extends into the second rectangular sleeve (2) and is fixed with the thread of the other side of the filter plate (5), the bottom of the mounting plate (9) is slidably provided with a rectangular block (10), the bottom of the rectangular block (10), one side of a moving rod (11) is fixedly provided with a sliding block (12), the sliding block (12) is slidably installed with the left inner wall of a second groove (7), the left inner wall of the second groove (7) is fixedly provided with two anti-falling blocks, a plurality of springs (13) are fixedly installed between the top of one anti-falling block positioned below the two anti-falling blocks and the bottom of the sliding block (12), the bottom end of the moving rod (11) extends into a first through hole (8) and is embedded with balls, the left inner wall of a first rectangular sleeve (1) is provided with an installation groove, a driving motor (14), a storage battery (16), a singlechip and a wireless remote control switch (17) are fixedly installed on the inner wall of one side of the installation groove, which is far away from an opening of the installation groove, from top to bottom, the driving motor (14) is electrically connected with the storage battery (16), the right end of an output shaft of the driving motor (14) extends into, the ball is in rolling contact with the top of the outer side of the eccentric wheel (15), a plugging plate (18) matched with the mounting groove is fixed on the inner wall of the left side of the first rectangular sleeve (1) in a threaded mode, and the plugging plate (18) is rotatably sleeved on an output shaft of the driving motor (14).
2. The municipal bridge drainage filter device according to claim 1, wherein the first groove (4) is fixedly provided with a pin on the inner wall of the rear side, the filter plate (5) is provided with a circular hole on the front side, a first bearing is fixedly sleeved in the circular hole, and the inner ring of the first bearing is fixedly sleeved on the outer side of the pin.
3. The municipal bridge drainage filtering device according to claim 1, wherein a first T-shaped sliding rail is fixedly mounted at the bottom of the mounting plate (9), a first T-shaped sliding groove with openings at both sides is formed in the top of the rectangular block (10), the first T-shaped sliding rail is slidably connected with the first T-shaped sliding groove, and a limiting block is fixedly mounted on the right side of the first T-shaped sliding rail.
4. The municipal bridge drainage filter device according to claim 1, wherein a second T-shaped slide rail is fixedly mounted on the inner wall of the left side of the second groove (7), a second T-shaped slide groove with an opening at the top and the bottom is formed in the left side of the sliding block (12), the second T-shaped slide rail is slidably connected with the second T-shaped slide groove, and the sides of the two anti-falling blocks, which are close to each other, are fixedly connected with the top and the bottom of the second T-shaped slide rail respectively.
5. The filter device for municipal bridge drainage according to claim 1, wherein mounting pieces are fixedly mounted on both the right side of the mounting plate (9) and the left side of the filter plate (5), two first thread grooves are formed in the right side of one of the two mounting pieces on the mounting plate (9), first fastening bolts are screwed in the first thread grooves, and the mounting piece on the filter plate (5) is screwed on the two first fastening bolts.
6. The municipal bridge drainage filtering device according to claim 1, wherein the inner wall of the left side of the first rectangular sleeve (1) is provided with two second thread grooves, the threads of the second thread grooves are sleeved with second fastening bolts, the blocking plate (18) is sleeved on the two second fastening bolts in a threaded manner, one side of the blocking plate (18) is provided with a mounting hole, a sealing bearing is fixedly sleeved in the mounting hole, and the inner side of an inner ring of the sealing bearing is fixedly sleeved with the outer side of an output shaft of the driving motor (14).
7. The filtering device for municipal bridge drainage according to claim 1, wherein the driving motor (14) is electrically connected to a single chip microcomputer, the single chip microcomputer is electrically connected to the wireless remote control switch (17), the wireless remote control switch (17) is provided with an external remote controller in a matching manner, and the wireless remote control switch (17) is controlled by the external wireless remote controller.
8. The municipal bridge drainage filtering device according to claim 1, wherein the top of the bridge is provided with four third thread grooves, the third thread grooves are internally threaded with third fastening bolts, and the mounting ring (3) is threaded on the four third fastening bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020895504.5U CN212417191U (en) | 2020-05-25 | 2020-05-25 | Filter equipment is used in municipal administration bridge drainage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020895504.5U CN212417191U (en) | 2020-05-25 | 2020-05-25 | Filter equipment is used in municipal administration bridge drainage |
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| Publication Number | Publication Date |
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| CN212417191U true CN212417191U (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020895504.5U Active CN212417191U (en) | 2020-05-25 | 2020-05-25 | Filter equipment is used in municipal administration bridge drainage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113144699A (en) * | 2021-04-22 | 2021-07-23 | 周小川 | Building water supply and drainage system based on building BIM |
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2020
- 2020-05-25 CN CN202020895504.5U patent/CN212417191U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113144699A (en) * | 2021-04-22 | 2021-07-23 | 周小川 | Building water supply and drainage system based on building BIM |
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