CN214527905U - Special device for moving out and reloading overhaul impeller of pump station unit - Google Patents
Special device for moving out and reloading overhaul impeller of pump station unit Download PDFInfo
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- CN214527905U CN214527905U CN202120051596.3U CN202120051596U CN214527905U CN 214527905 U CN214527905 U CN 214527905U CN 202120051596 U CN202120051596 U CN 202120051596U CN 214527905 U CN214527905 U CN 214527905U
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- impeller
- pallet truck
- overhaul
- guide rail
- water pump
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Abstract
Pump station unit overhaul impeller shifts out and repacks isolated plant, includes: the lifting component is arranged in the coupling layer, is arranged between the coupling flange and the top cover and is used for descending and lifting the water pump shaft top; the translation assembly comprises a mobile pallet truck and a guide rail assembly, the mobile pallet truck is used for supporting the impeller head, the guide rail assembly is used for supporting the mobile pallet truck, and the guide rail assembly is installed on the telescopic joint; and the gantry crane is arranged above the other side of the guide rail assembly and is used for hoisting the movable pallet truck and the impeller head. The components such as the motor and the water pump shaft do not need to be hung out, the impeller chamber can be moved out of the impeller head to be overhauled through the matching of the lifting assembly, the translation assembly and the gantry crane, the maintenance process is simple, the overhaul period is short, the cost consumption is low, the operation is practical and convenient, the operation is simple, the unit swing after overhaul is smaller, and the operation is more stable and efficient, so that the device is worth popularizing.
Description
The technical field is as follows:
the utility model relates to a pump station unit maintenance technical field especially relates to a pump station unit overhaul impeller shifts out repacking isolated plant.
Background art:
the pump station unit overhaul project generally mainly comprises main unit disassembly, installation, measurement, pressure resistance test, hoisting and hoisting, welding, training and the like. Strong professional, various contents and complex working procedures. During implementation, safety production work must be strictly carried out according to regulations, monitoring and rechecking weight are strictly carried out, and key elements of installation weight, such as concentricity and elevation of a fixed part, axial swing, perpendicularity, levelness and clearance of a rotating part, are mastered.
The pump station main workshop is sequentially provided with a motor layer, a coupling layer, an effluent runner layer and a water pump layer from top to bottom. The impeller room is in the pump station owner's factory room water pump layer, and the water pump layer height is 2.22m, and operating space is less, and mechanical equipment such as large-scale fork truck can't get into water pump layer construction operation from the hole of hanging things, and the impeller overhauls the difficulty. The diameter of the impeller is 3150mm, the weight is 8T, the volume of the impeller head is large, the weight is large, the arm length of a small forklift is not enough, a special disassembling and moving tool for the impeller head is not provided, and the impeller can not be moved out of the pump chamber for maintenance.
According to the traditional maintenance process, the impeller head can be hung out by hanging out the motor, the water pump fixing part and the rotating part of the unit, so that the overhaul period is longer, the cost consumption is higher, the technical service cost of a manufacturer is higher, the concentricity, the elevation, the axis swing, the verticality, the levelness, the clearance and other parameters after overhaul need to be debugged again, the difficulty is high, and in order to solve the difficulties, a special tool for processing and manufacturing is needed to remove and reinstall the impeller head.
The utility model has the following contents:
the utility model discloses a remedy prior art not enough, provide a pump station unit overhaul impeller and shift out back and adorn isolated plant, solved the problem that mechanical equipment such as the less large-scale fork truck of operating space can't get into in the past, solved the problem that maintenance process is complicated in the past, overhaul period is longer, expense consumption is high.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
pump station unit overhaul impeller shifts out repacking isolated plant, including motor layer, shaft coupling layer, play rivers passageway layer and water pump layer, establish the motor in the motor layer, establish shaft coupling flange and top cap in the shaft coupling layer, establish the impeller subassembly in the water pump layer, the impeller subassembly lower part is the runner of intaking, and upper portion is a water flow way, the impeller subassembly includes impeller shell, impeller head, blade, water guide cap, lower cover and telescopic joint, and the motor shaft of motor passes through the shaft coupling flange and links to each other with the water pump shaft top, and the water pump shaft bottom is passed through the pump shaft flange and is linked to each other with the impeller head, still includes:
the lifting component is arranged in the coupling layer, is arranged between the coupling flange and the top cover and is used for descending and lifting the water pump shaft top;
the translation assembly comprises a mobile pallet truck and a guide rail assembly, the mobile pallet truck is used for supporting the impeller head, the guide rail assembly is used for supporting the mobile pallet truck, and the guide rail assembly is installed on the telescopic joint;
and the gantry crane is arranged above the other side of the guide rail assembly and is used for hoisting the movable pallet truck and the impeller head.
The lifting assembly comprises two support frames which are placed on two sides of the water pump shaft above the opening of the top cover, the two support frames are fixedly connected through angle steel in a welding mode, a jack is welded on each support frame, and the top of each jack is abutted to the coupling flange.
The guide rail assembly comprises two long guide rails, the two long guide rails are fixedly connected through angle steel in a welded mode, one ends of the two long guide rails are placed on the telescopic joints respectively, the long guide rails outside the telescopic joints are flatly padded through a plurality of support columns, and the movable pallet truck moves on the two long guide rails.
Chain blocks are respectively installed at four corners of the gantry crane.
The utility model adopts the above technical scheme, have following advantage:
adopt the utility model discloses a special device has overturned traditional maintenance technology, and parts such as motor and water pump shaft need not to hang out, only need tear impeller shell open, demolish the water guide cap, demolish impeller head lower cover, through the cooperation that lifts subassembly, translation subassembly and portal crane, just can shift out the impeller room with the impeller head and overhaul, and the maintenance process is simple, and overhaul period is short, and the expense consumes lowly, and is practical convenient, and easy operation makes the unit throw after overhaul littleer, more steady, high-efficient operation, is worth promoting.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is an enlarged cross-sectional view of the impeller assembly of FIG. 1.
Fig. 3 is an enlarged side view of the lifting assembly shown in fig. 1.
In the figure, the water pump comprises a motor layer 1, a motor layer 2, a coupling layer 3, an effluent runner layer 4, a water pump layer 5, a motor 6, a coupling flange 7, a top cover 8, an inflow runner 9, an effluent runner 10, an impeller shell 11, an impeller head 12, blades 13, a water guide cap 14, a lower cover 15, a telescopic joint 16, a water pump shaft 17, a pump shaft flange 18, a movable pallet truck 19, a gantry crane 20, a support frame 21, a jack 22, a long guide rail 23, a support column 24, a chain block 25 and a safety bolt.
The specific implementation mode is as follows:
in order to clearly illustrate the technical features of the present invention, the present invention is explained in detail by the following embodiments in combination with the accompanying drawings.
As shown in fig. 1-3, pump station unit overhaul impeller shifts out and repacks isolated plant, including motor layer 1, coupling layer 2, play water runner layer 3 and water pump layer 4, establishes motor 5 in the motor layer 1, establishes coupling flange 6 and top cap 7 in the coupling layer 2, establishes the impeller subassembly in the water pump layer 4, and the impeller subassembly lower part is into water runner 8, and upper portion is a water runner 9, the impeller subassembly includes impeller shell 10, impeller head 11, blade 12, water guide cap 13, lower cover 14 and telescopic joint 15, and motor 5's motor shaft passes through coupling flange 6 and links to each other with water pump shaft 16 top, and water pump shaft 16 bottom passes through pump shaft flange 17 and links to each other with impeller head 11, still includes:
the lifting component is arranged in the coupling layer 2, is arranged between the coupling flange 6 and the top cover 7 and is used for descending and lifting the water pump shaft 16;
a translation assembly comprising a mobile pallet truck 18 and a guide rail assembly, the mobile pallet truck 18 being for carrying the impeller head 11, the guide rail assembly being for carrying the mobile pallet truck 18, the guide rail assembly being mounted on the telescopic joint 15;
and the gantry crane 19 is arranged above the other side of the guide rail assembly and is used for hoisting the movable pallet truck 18 and the impeller head 11.
The lifting assembly comprises two support frames 20 which are placed on two sides of the water pump shaft 16 above the opening of the top cover 7, the two support frames 20 are fixedly connected through angle steel in a welding mode, a jack 21 is welded on each support frame 20, and the top of each jack 21 is abutted to the coupling flange 6. The two jacks 21 act synchronously to drive the water pump shaft 16 to descend and ascend.
The guide rail assembly comprises two long guide rails 22, the two long guide rails 22 are fixedly connected through angle steel in a welded mode, one ends of the two long guide rails 22 are placed on the telescopic joint 15 respectively, the long guide rails 22 outside the telescopic joint 15 are flatly cushioned through a plurality of support columns 23, and the movable pallet truck 18 moves on the two long guide rails 22.
The method for moving out and returning the impeller in the overhaul of the pump station unit comprises the steps of removing an impeller shell 10, descending a telescopic joint 15 to the lowest position, removing a water guide cap 13, removing an impeller head lower cover 14, respectively placing one end of two long guide rails 22 on the telescopic joint 15, flatly cushioning the long guide rails 22 outside the telescopic joint 15 through a plurality of support columns 23, placing a movable pallet truck 18 on the long guide rails 22 and moving to the bottom of an impeller head 11, installing a gantry crane 19 at the other end of the long guide rails 22, installing a lifting assembly between a top cover 7 and a coupling flange 6, removing bolts of the coupling flange 6, driving a water pump shaft 16 and the impeller head 11 to fall down by the lifting assembly until the impeller head 11 is stably placed on the movable pallet truck 18, stopping falling down, removing the bolts between a pump shaft flange 17 and the impeller head 11, lifting the lifting assembly again to drive the water pump shaft 16 to reset, moving the movable pallet truck 18 and the impeller head 11 to the lower part of the gantry crane 19 along the two long guide rails 22 by a chain block 24, hand blocks 24 are respectively arranged at four corners of the gantry crane 19 to lift the movable pallet truck 18 and the impeller head 11, two long guide rails 22 and two support columns 23 are removed, the gantry crane 19 puts the movable pallet truck 18 and the impeller head 11 on the ground, the gantry crane 19 is removed, the movable pallet truck 18 and the impeller head 11 are moved to a hanging hole of an installation room, and the impeller head is lifted through a travelling crane for maintenance.
And (3) removing the water guide cap 13, and when the impeller head lower cover 14 is removed, placing the water guide cap 13 and the impeller head lower cover 14 in the water inlet flow channel 8 for temporary storage.
The lifting assembly comprises two support frames 20 which are placed on two sides of the water pump shaft 16 above the opening of the top cover 7, the two support frames 20 are fixedly connected through angle steel in a welding mode, a jack 21 is welded on each support frame 20, and the top of each jack 21 is abutted to the coupling flange 6.
After the bolts of the coupling flange 6 are removed, the safety bolts 25 are installed on the coupling flange 6, the safety bolts 25 prevent the water pump shaft 16 from falling uncontrollably when the jack 21 fails, so that safety is guaranteed, the diameter of each safety bolt 25 is smaller than the aperture of each bolt hole, and the length of each safety bolt 25 is larger than the thickness of the coupling flange 6, so that a movable space is reserved. The safety bolts 25 need to be removed at last and the original bolts replaced again.
The bottom of the movable pallet truck 18 is moved through a traveling wheel or a plurality of steel pipes.
The two long guide rails 22 are fixedly connected through angle steel welding, and the overall structural strength is improved.
A preparation process for removing impeller heads:
(1) disassembling the impeller shell;
(2) lifting the compression ring and removing the packing;
(3) pressing the telescopic joint to the bottommost position;
(4) detaching the water guide cap, and placing the water guide cap into the water inlet flow passage by using a chain block for temporary storage;
(5) detaching the lower cover of the impeller head, and placing the lower cover of the impeller head into the water inlet flow passage for temporary storage;
(6) two long guide rails are placed on the telescopic joint along the water inlet and outlet directions and connected with the two long guide rails through angle steel;
(7) the long guide rail outside the pump chamber is leveled by a support pillar;
(8) moving the movable pallet truck to the position right below the impeller head by using a chain block;
(9) the preparation process is completed.
The lifting assembly use process comprises the following steps:
(1) removing a stuffing box of the coupling layer;
(2) placing the two support frames to the opening of the top cover along the water inlet and outlet directions, and connecting the two support frames by using angle steel and firmly welding;
(3) installing a jack, and firmly welding, wherein the top of the jack is abutted to the coupling flange;
(4) jacking the two jacks simultaneously, and detaching the coupling flange bolt after being stressed;
(5) installing a safety bolt;
(6) dropping the jack, and simultaneously observing the position of the impeller head, and stopping dropping the jack when the impeller head is stably placed on the movable pallet truck;
(7) removing bolts between a pump shaft flange and an impeller head;
(8) after the impeller head is separated from the water pump shaft, the jack is jacked to lift the water pump shaft to the original position;
(9) the impeller head falls into position.
An impeller head moving-out process:
(1) connecting the chain block to a mobile pallet truck;
(2) pulling the chain block to pull the movable pallet truck and the impeller head out of the impeller chamber along the long guide rail;
(3) a gantry crane is arranged above the other side of the long guide rail;
(4) continuously dragging the movable pallet truck and the impeller head to the lower part of the gantry crane;
(5) hanging a chain block on the gantry crane in four directions and connecting the chain block with a movable pallet truck;
(6) pulling the chain block to lift the movable pallet truck together with the impeller head;
(7) dismantling the two long guide rails and the support columns, and removing the two long guide rails and the support columns below the gantry crane;
(8) a plurality of phi 50 steel pipes are placed below the movable pallet truck;
(9) placing a chain block, dropping the moving pallet truck and the impeller head to the steel pipe in weight, and then removing the chain block;
(10) dismantling the gantry crane, and conveying the movable pallet truck and the impeller head to a lifting hole of the installation room by using a steel pipe;
(11) the crane lifts the impeller head, and the impeller head is moved out of the reloading tool to be used.
The impeller head reinstalling process comprises the following steps:
and (4) the impeller head is reloaded according to the reverse sequence of the removal process.
The above-mentioned specific embodiments can not be regarded as the restriction to the scope of protection of the utility model, to technical personnel in this technical field, it is right the utility model discloses any replacement improvement or transform that embodiment made all fall within the scope of protection of the utility model.
The parts of the present invention not described in detail are the known techniques of those skilled in the art.
Claims (4)
1. Pump station unit overhaul impeller shifts out repacking isolated plant, including motor layer, shaft coupling layer, play rivers passageway layer and water pump layer, establish the motor in the motor layer, establish shaft coupling flange and top cap in the shaft coupling layer, establish the impeller subassembly in the water pump layer, the impeller subassembly lower part is the runner of intaking, and upper portion is a water flow way, the impeller subassembly includes impeller shell, impeller head, blade, water guide cap, lower cover and telescopic joint, and the motor shaft of motor passes through the shaft coupling flange and links to each other with the water pump shaft top, and the water pump shaft bottom is passed through the pump shaft flange and is linked to each other its characterized in that with the impeller head: further comprising:
the lifting component is arranged in the coupling layer, is arranged between the coupling flange and the top cover and is used for descending and lifting the water pump shaft top;
the translation assembly comprises a mobile pallet truck and a guide rail assembly, the mobile pallet truck is used for supporting the impeller head, the guide rail assembly is used for supporting the mobile pallet truck, and the guide rail assembly is installed on the telescopic joint;
and the gantry crane is arranged above the other side of the guide rail assembly and is used for hoisting the movable pallet truck and the impeller head.
2. The special device for removing and reinstalling the overhaul impeller of the pump station unit according to claim 1, which is characterized in that: the lifting assembly comprises two support frames which are placed on two sides of the water pump shaft above the opening of the top cover, the two support frames are fixedly connected through angle steel in a welding mode, a jack is welded on each support frame, and the top of each jack is abutted to the coupling flange.
3. The special device for removing and reinstalling the overhaul impeller of the pump station unit according to claim 1, which is characterized in that: the guide rail assembly comprises two long guide rails, the two long guide rails are fixedly connected through angle steel in a welded mode, one ends of the two long guide rails are placed on the telescopic joints respectively, the long guide rails outside the telescopic joints are flatly padded through a plurality of support columns, and the movable pallet truck moves on the two long guide rails.
4. The special device for removing and reinstalling the overhaul impeller of the pump station unit according to claim 1, which is characterized in that: chain blocks are respectively installed at four corners of the gantry crane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120051596.3U CN214527905U (en) | 2021-01-08 | 2021-01-08 | Special device for moving out and reloading overhaul impeller of pump station unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120051596.3U CN214527905U (en) | 2021-01-08 | 2021-01-08 | Special device for moving out and reloading overhaul impeller of pump station unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214527905U true CN214527905U (en) | 2021-10-29 |
Family
ID=78301524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120051596.3U Active CN214527905U (en) | 2021-01-08 | 2021-01-08 | Special device for moving out and reloading overhaul impeller of pump station unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214527905U (en) |
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2021
- 2021-01-08 CN CN202120051596.3U patent/CN214527905U/en active Active
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