Filter unit lifting system
View Patent ↗The invention pertains to a water filter unit with an integrated lifting system, comprising a water filter, at least two lifting pillars, at least two sleeves and a slide connector, wherein the sleeves are attached at the corners of the water filter, the length axis of the sleeves being perpendicular to the mounting surface of the water filter, the lifting pillars are arranged to fit inside the sleeves, wherein the length axis of the lifting pillars coincide with the length axis of the sleeves, such that the sleeves may slide along the lifting pillars, thereby forming at least two lifting pillar and sleeve pairs, wherein the at least two pairs are connected to at least one lifting aid for lifting the water filter unit from an operative position to a raised position, and the slide connector comprises a filter side connector connected to the water filter unit arranged for connection to an external source thereby forming a fluid connection between the water filter unit and the external source when the water filter unit is lowered into the operative position. Furthermore, the invention discloses a lifting system for a water filter unit.
1 . A water filter unit with an integrated lifting system, comprising:
a water filter, at least two lifting pillars, at least two sleeves, a slide connector, and a self-centering support for each sleeve, wherein
the sleeves are attached at corners of the water filter, the length axis of the sleeves being perpendicular to the mounting surface of the water filter, the lifting pillars are arranged to fit inside the sleeves, wherein the length axis of the lifting pillars coincide with the length axis of the sleeves, such that the sleeves may slide along the lifting pillars, thereby forming at least two lifting pillar and sleeve pairs, wherein the at least two pairs are connected to at least one lifting aid for lifting the water filter unit from an operative position to a raised position, and
the slide connector comprises a filter side connector connected to the water filter unit arranged for connection to an external source or outlet thereby forming a fluid connection between the water filter unit and the external source or outlet when the water filter unit is lowered into the operative position, and
the self-centering support comprising a profile tube portion, and a top plate, wherein the profile tube portion fits inside the sleeve, and the lifting pillar rests on the top plate when said lifting pillar is inserted into said sleeve.
2 . The water filter unit with the integrated lifting system according to claim 1 , wherein the slide connector further comprises an external connector mountable on the external source.
3 . The water filter unit with the integrated lifting system according to claim 2 , wherein the slide connector further comprises sealing means connected to the filter side connector or the external connector, for providing a tight seal between the filter side connector or the external connector.
4 . The water filter unit with the integrated lifting system according to claim 3 , wherein the sealing means is a rubber seal, gasket or clamp.
5 . The water filter unit with the integrated lifting system according to claim 2 , wherein the external connector is U-shaped with an opening upwards along the vertical axis, such that the filter side connector fits inside the external connector and allows the filter side connector to be lifted vertically from the external source when lifting the water filter unit from the operative position to the raised position.
6 . The water filter unit with the integrated lifting system according to claim 2 , wherein the external source is a channel, pipe, unit, or influent wall.
7 . The water filter unit with the integrated lifting system according to claim 1 , the water filter unit being a rotary filter.
8 . The water filter unit with the integrated lifting system according to claim 7 , wherein the rotary filter is a disc filter or a drum filter.
9 . The water filter unit with the integrated lifting system according to claim 1 , wherein the length of the lifting pillars is at least equal to or larger than the combined length of the sleeves and the lifting capacity of the lifting system.
10 . The water filter unit with the integrated lifting system according to claim 1 , wherein the lifting pillars each comprises a profile tube, with a bottom end, and a top plate with anchor means for connection to the lifting aid.
11 . The water filter unit with the integrated lifting system according to claim 10 , wherein the sleeves each comprises a hollow profile tube provided with anchor means for connection to said lifting aid.
12 . The water filter unit with the integrated lifting system according to claim 11 , wherein the anchor means of the hollow profile tube and the anchor means of the lifting pillar are connected to the lifting aid on said at least two of the lifting pillar and sleeve pairs.
13 . The water filter unit with the integrated lifting system according to claim 1 , wherein the at least one lifting aid is selected from the group of a hoist, a winch, a rack and pinion, a lead screw, or a pneumatic or hydraulic cylinder.
14 . The water filter unit with the integrated lifting system according to claim 1 , wherein the self-centering support further comprises a base plate, and a vertical centering tap located on the top plate, wherein
the vertical centering tap fits inside the lifting pillar, such that the pillar is centered on the self-centering support when said lifting pillar is inserted into said sleeve.
15 . The water filter unit with the integrated lifting system according to claim 1 , wherein the slide connector, comprises a U-shaped filter side connector for connection to the filter unit, a sealing means, and a U-shaped external connector, wherein
the filter side connector is connected to a water inlet or outlet of the filter unit, and the external connector is connectable to an external source, and
the filter side connector fits inside the external connector with the sealing means in-between forming a fluid connection between the filter unit and the external source when the filter unit is in operative position, and
wherein the filter side connector is arranged to be lifted away vertically from the external connector along the lifting axis perpendicular to the mounting surface of the filter when the water filter unit is lifted from the operative position to the raised position.
16 . The water filter unit with the integrated lifting system according to claim 1 , wherein the profile tube of the lifting pillars and a hollow profile tube of the sleeves comprise locking holes, wherein the locking holes overlap once the water filter unit is in the raised position, such that locking bolts may be inserted through the locking holes to secure the sleeves to the lifting pillars.
17 . A lifting system for a water filter unit, comprising
at least two lifting pillars, at least two sleeves, a slide connector, and a self-centering support for each sleeve, wherein
the sleeves comprises at least two filter unit connectors for attaching the sleeves to the corners of a water filter, the length axis of the sleeves being perpendicular the mounting surface of the filter, and
the lifting pillars are arranged to fit inside the sleeves, wherein the length axis of the lifting pillars coincide with the length axis of the sleeves,
such that the sleeves may slide along the lifting pillars, thereby forming at least two lifting pillar and sleeve pairs, wherein the at least two pairs are connected to at least one lifting aid, whereby the lifting system may lift a water filter unit from an operative position to a raised position, and
the slide connector of the water filter unit comprises a filter side connector for connection to the water filter unit arranged for connection to an external source or outlet thereby forming a fluid connection between the water filter unit and the external source or outlet when the water filter unit is lowered into the operative position, and
the self-centering support comprises a profile tube portion, and a top plate, wherein the profile tube portion fits inside the sleeve, and the lifting pillar rests on the top plate when said lifting pillar is inserted into said sleeve.
18 . The lifting system for the water filter unit according to claim 17 , wherein the slide connector further comprises an external connector mountable on the external source.
19 . The lifting system for the water filter unit according to claim 18 , wherein the slide connector further comprises sealing means connected to the filter side connector or the external connector, for providing a tight seal between the filter side connector and the external connector.
20 . The lifting system for the water filter unit according to claim 19 , wherein the sealing means is a rubber seal, gasket or clamp.
21 . The lifting system for the water filter unit according to claim 18 , wherein the external connector is U-shaped with an opening upwards along the vertical axis, such that the filter side connector fits inside the external connector and allows the filter side connector to be lifted vertically from the external source when lifting the water filter unit from the operative position to a raised position.
22 . The lifting system for the water filter unit according to claim 18 , wherein the external source is a channel, pipe, unit, or influent wall.
23 . The lifting system for the water filter unit according to claim 17 , the filter unit being a rotary filter.
24 . The lifting system for the water filter unit according to claim 23 , wherein the rotary filter is a disc filter or a drum filter.
25 . The lifting system for the water filter unit according to claim 17 , wherein the length of the lifting pillars is at least equal to or larger than the combined length of the sleeves and the lifting capacity of the lifting system.
26 . The lifting system for the water filter unit according to claim 17 , wherein the lifting pillars each comprises a profile tube, with a bottom end, and a top plate with anchor means for connection to the lifting aid.
27 . The lifting system for the water filter unit according to claim 17 , wherein the sleeves each comprises a hollow profile tube provided with anchor means for connection to said lifting aid.
28 . The lifting system for the water filter unit according to claim 27 , wherein the anchor means of the hollow profile tube and the anchor means of the lifting pillar are connected to the lifting aid on said at least two of the lifting pillar and sleeve pairs.
29 . The lifting system for the water filter unit according to claim 17 , wherein the at least one lifting aid is selected from the group of a hoist, a winch, a rack and pinion, a lead screw, or a pneumatic or hydraulic cylinder.
30 . The lifting system for the water filter unit according to claim 17 , wherein the self-centering support further comprises a base plate, and a vertical centering tap located on the top plate, wherein
the vertical centering tap fits inside the lifting pillar, such that the pillar is centered on the self-centering support when said lifting pillar is inserted into said sleeve.
31 . The lifting system for the water filter unit according to claim 17 , wherein the slide connector comprises a U-shaped filter side connector for connection to a filter unit, a sealing means, and a U-shaped external connector, wherein
the filter side connector is to be connected to a water inlet or outlet of a water filter unit, and the external connector is connectable to an external source, and
the filter side connector fits inside the external connector with the sealing means in-between forming a fluid connection between a filter unit and an external source when the filter unit is in operative position, and
wherein the filter side connector is arranged to be lifted away vertically from the external connector along the lifting axis perpendicular to the mounting surface of the filter when a water filter unit is lifted from the operative position to the raised position.
32 . The lifting system for the water filter unit according to claim 17 , wherein the profile tube portion and a hollow profile tube of the sleeves comprise locking holes, wherein the locking holes overlap once the filter unit is in the raised position, such that locking bolts may be inserted through the locking holes to secure the sleeves to the lifting pillars.