CN212340152U - Large vertical water pump centering device capable of presetting offset - Google Patents
Large vertical water pump centering device capable of presetting offset Download PDFInfo
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- CN212340152U CN212340152U CN202021553122.0U CN202021553122U CN212340152U CN 212340152 U CN212340152 U CN 212340152U CN 202021553122 U CN202021553122 U CN 202021553122U CN 212340152 U CN212340152 U CN 212340152U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 238000009434 installation Methods 0.000 claims abstract description 13
- 238000013519 translation Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
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Abstract
The utility model relates to a can predetermine large-scale vertical water pump centering device of offset belongs to the water pump and looks for well technical field. The centering device comprises a disc type centering support and an adjustable steel wire heavy hammer device, wherein the disc type centering support comprises an installation disc and a centering platform, and the centering support and the centering platform are fixedly connected; the adjustable steel wire weight device comprises a circular ring-shaped installation base plate located at the bottom and a circular ring-shaped working platform located at the top, wherein the working platform is fixedly connected with the installation base plate through a plurality of support columns, the surface of the working platform is provided with a bottom slide rail through a pin fixedly connected with, the surface of the bottom slide rail is provided with a slide block in a slidable mode, the top surface of the slide block is provided with a slide block in a slidable mode, the top fixedly connected with steel wire weight retracting and releasing mechanism of the slide block is provided with a slide block driving mechanism, the rear end of the slide block in the sliding direction is connected with a slide block driving mechanism, and the rear end of the slide block in the sliding.
Description
Technical Field
The utility model relates to a can predetermine large-scale vertical water pump centering device of offset belongs to the water pump and looks for well technical field.
Background
At present, a large vertical water pump consists of a large vertical asynchronous motor and a vertical water pump, and the purpose of center adjustment is to enable a moving part and a static part of the water pump to be freely positioned on the same vertical central line under the running condition, and simultaneously, the superposition value of the shaking degrees of all rotating parts is smaller than the fit clearance of the moving part and the static part.
The general centering mode is a steel wire plumb line method, namely, a stator part of the water pump is concentrically fixed, and then centering work of a rotating part is carried out. However, this method produces a large deviation in the case of a water pump connected to a large-diameter rigid pipe and the pipe itself has insufficient compensation capability.
In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a large vertical water pump centering device with a preset offset, so that the device has industrial utility value.
Disclosure of Invention
In order to solve the technical problem, the utility model aims at providing a large-scale vertical water pump centering device of offset can be predetermine. The utility model changes the prior centering tool from a split heads type structure to a disc support type of precision machining, and then changes the prior steel wire weight support into an adjustable steel wire weight device, so that the centering tool conforms to the prior disc support hole site, can be finely adjusted, and eliminates artificial deviation; because the device is machined, the plane precision is higher, the offset can be preset through a gasket adjusting mode and a translation mode, the adjustment is convenient, and the centering accuracy is improved.
The utility model relates to a large vertical water pump centering device capable of presetting offset, which comprises a disc type centering bracket and an adjustable steel wire heavy hammer device,
the disc type centering support and the adjustable steel wire heavy hammer device are fixed through a pin joint;
the disc type centering support comprises a circular mounting disc positioned at the bottom and a circular centering platform positioned at the top, and the centering support and the centering platform are arranged in parallel and are fixedly connected through a plurality of supporting columns;
the adjustable steel wire weight device comprises a circular ring-shaped installation base plate located at the bottom and a circular ring-shaped working platform located at the top, wherein the working platform is fixedly connected with the installation base plate through a plurality of support columns, the surface of the working platform is provided with a bottom slide rail through a pin fixedly connected with, the surface of the bottom slide rail is provided with a slide block in a slidable mode, the top surface of the slide block is provided with a slide block in a slidable mode, the top fixedly connected with steel wire weight retracting and releasing mechanism of the slide block is provided with a slide block driving mechanism, the rear end of the slide block in the sliding direction is connected with a slide block driving mechanism, and the rear end of the slide block in the sliding.
Furthermore, the surface of the mounting disc is provided with a plurality of bolt holes for fixing the disc type centering support.
Furthermore, an inwards-concave circular installation limiting groove is formed in the center of the top face of the centering platform, a through circular heavy hammer hole is formed in the center of the installation limiting groove, and a plurality of fixing pin holes are uniformly formed in the periphery of the heavy hammer hole.
Furthermore, the bottom of the first sliding block is connected with the sliding rail groove on the top surface of the bottom sliding rail in a sliding mode, the top of the first sliding block is further provided with a sliding groove which is perpendicular to the sliding rail groove on the top surface of the bottom sliding rail in the direction, and the bottom of the second sliding block is connected with the sliding groove on the top of the first sliding block in a sliding mode.
Furthermore, the steel wire heavy hammer retracting and releasing mechanism comprises two retracting and releasing supports which are symmetrically and fixedly connected to the top surface of the first sliding block, a retracting and releasing roller is rotatably connected between the two retracting and releasing supports, and a locking mechanism is arranged on one side of the retracting and releasing roller.
Furthermore, a slider actuating mechanism includes a slider drive lead screw that sets up in a slider direction of motion to and a lead screw stopper of fixed connection on work platform surface, a slider drive lead screw pass a lead screw stopper and with the slider between through the rotatable connection of screw thread through the screw thread is used for driving the translation of a slider.
Furthermore, No. two slider actuating mechanism include that one sets up No. two slider drive lead screws in No. two slider motion directions to and No. two lead screw stoppers of fixed connection on a slider surface, No. two slider drive lead screws pass No. two lead screw stoppers and pass through rotatable the connection of screw through the screw thread between No. two sliders through the screw thread is rotatable for the translation of drive No. two sliders.
Borrow by above-mentioned scheme, the utility model discloses at least, have following advantage:
the utility model changes the prior centering tool from a split heads type structure to a disc support type of precision machining, and then changes the prior steel wire weight support into an adjustable steel wire weight device, so that the centering tool conforms to the prior disc support hole site, can be finely adjusted, and eliminates artificial deviation; because the device is machined, the plane precision is higher, the offset can be preset through a gasket adjusting mode and a translation mode, the adjustment is convenient, and the centering accuracy is improved.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate a certain embodiment of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic structural view of a disc type centering bracket in a large vertical water pump centering device, in which the offset amount can be preset;
FIG. 2 is a schematic structural view of an adjustable steel wire weight device in the centering device of the large vertical water pump of the present invention, in which the offset amount can be preset;
FIG. 3 is a schematic structural diagram of an adjustable steel wire weight device in the centering device of the large vertical water pump of the present invention, in which the offset can be preset;
FIG. 4 is an installation diagram of the centering device of the large vertical water pump of the present invention, in which the offset amount can be preset;
FIG. 5 is a schematic diagram of the center shift of the foundation of the present invention during settlement;
FIG. 6 is a schematic view of the center offset formed by natural draft of the present invention;
wherein, in the figure, 1, a disc type centering support, 2, an adjustable steel wire heavy hammer device; 11. installing a disc; 12. finding a platform; 13. a pillar; 111. bolt holes; 121. installing a limiting groove; 122. a weight hole; 123. a fixing pin hole; 21. installing a chassis; 22. a support pillar; 23. a working platform; 24. a bottom slide rail; 25. a first sliding block; 26. a second sliding block; 27. a steel wire heavy hammer retraction mechanism; 28. a first slide block driving mechanism; 29. a second slide block driving mechanism; 271. retracting and releasing the support; 272. retracting and releasing the roller; 273. a locking mechanism; 281. the first sliding block drives the screw rod; 282. a first screw rod limiting block; 291. the second sliding block drives the screw rod; 292. no. two lead screw stoppers.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1 and 2, a large vertical water pump centering device with a preset offset according to a preferred embodiment of the present invention includes a disc type centering bracket 1 and an adjustable wire weight device 2,
the disc type centering support 1 and the adjustable steel wire heavy hammer device 2 are fixed by a pin joint; the original centering tool is changed into a disc support type of precision machining from a split heads type structure, and then the original steel wire heavy hammer support is changed into an adjustable steel wire heavy hammer device, so that the steel wire heavy hammer support accords with the hole site of the existing disc support, fine adjustment can be carried out, and artificial deviation is eliminated.
The disc type centering support 1 comprises a circular ring-shaped mounting disc 11 located at the bottom, and a plurality of bolt holes 111 used for fixing the disc type centering support 1 are formed in the surface of the mounting disc 11. The circular centering platform 12 is located on the top, an inwards concave circular mounting limiting groove 121 is formed in the center of the top surface of the centering platform 12 and used for mounting and fixing the adjustable steel wire heavy hammer device 2, a through circular heavy hammer hole 122 is formed in the center of the mounting limiting groove 121, and a plurality of fixing pin holes 123 are uniformly formed in the periphery of the heavy hammer hole 122. The centering device is used for fixing the disc type centering support 1 and the adjustable steel wire heavy hammer device 2, wherein the centering support 1 and the centering platform 12 are arranged in parallel and are fixedly connected through a plurality of support columns 13;
the adjustable steel wire heavy hammer device 2 comprises a circular ring-shaped mounting base plate 21 positioned at the bottom, a circular ring-shaped working platform 23 positioned at the top, the working platform 23 and the mounting chassis 21 are fixedly connected through a plurality of supporting columns 22, the surface of the working platform 23 is fixedly connected with a bottom slide rail 24 through a pin, the surface of the bottom slide rail 24 is slidably provided with a first slide block 25, the first slide block 25 can move back and forth in a slide rail groove of the ground slide rail 24, a second sliding block 26 is slidably arranged on the top surface of the first sliding block 25, a steel wire heavy hammer retracting mechanism 27 is fixedly connected to the top of the second sliding block 26, the steel wire weight retraction and release mechanism 27 comprises two retraction and release brackets 271 symmetrically and fixedly connected to the top surface of the first slide block 25, a retraction and release roller 272 is rotatably connected between the two retraction and release brackets 271, and a locking mechanism 273 is arranged on one side of the retraction and release roller 272. The steel wire weight is stored and released by the storing and releasing roller 272, and the storing and releasing roller 272 is fixed by the locking mechanism 273 to control the storing and releasing of the steel wire weight. The rear end of a slider 25 slip direction is connected with a slider actuating mechanism 28, a slider actuating mechanism 28 includes a slider drive lead screw 281 that sets up at a slider 25 direction of motion to and a lead screw stopper 282 of fixed connection on work platform 23 surface, a slider drive lead screw 281 pass a lead screw stopper 282 and pass through rotatable the connection of screw through the screw between a slider 25 through the rotatable lead screw stopper 282 of passing of screw for drive the translation of a slider 25. When the first sliding block 25 needs to be translated, the first sliding block driving screw rod 281 is rotated manually, and the yielding translation is realized through threads between the first sliding block driving screw rod 281 and the first sliding rail 25. The rear end of the second slide block 26 in the sliding direction is connected with a second slide block driving mechanism 29. The second slider driving mechanism 29 comprises a second slider driving screw rod 291 arranged in the moving direction of the second slider 26 and a second screw rod limiting block 292 fixedly connected to the surface of the first slider 25, wherein the second slider driving screw rod 291 can rotatably penetrate through the second screw rod limiting block 292 through threads and can be rotatably connected with the second slider 26 through threads, and the second slider driving screw rod 291 is used for driving the second slider 26 to translate. When the second sliding block 26 needs to be translated, the second sliding block driving screw rod 291 is rotated manually, and the thread between the second sliding block driving screw rod 291 and the second sliding rail 26 realizes conceding translation. The bottom of the first sliding block 25 is connected with the sliding rail groove on the top surface of the bottom sliding rail 24 in a sliding mode, the top of the first sliding block 25 is further provided with a sliding groove which is perpendicular to the sliding rail groove on the top surface of the bottom sliding rail 24 in the direction, and the bottom of the second sliding block 26 is connected with the sliding groove on the top of the first sliding block 25 in a sliding mode.
The working principle of the utility model is as follows:
when the large vertical water pump centering device with the preset offset of the utility model is in actual use,
(1) firstly, using a horizontal phase synthesizer to check and measure the level of a motor bottom plate;
(2) mounting the disc type centering support 1), fixing a mounting disc 11 on the bottom surface of the disc type centering support 1 on a base plate of a motor of the vertical pump, and positioning by using a positioning pin to penetrate through a bolt hole 111;
(3) an adjustable steel wire heavy hammer device 2 is arranged at the upper part of the disc type centering support 1, an installation chassis 21 at the bottom of the adjustable steel wire heavy hammer device 2 is clamped in an installation limiting groove 121 on the top surface of a centering platform 12 at the top of the disc type centering support 1, and is in pin joint through a fixing pin hole 123 by a screw;
(4) putting down a steel wire heavy hammer to the pump shell of the vertical pump impeller;
(5) measuring the horizontal distance from a steel wire to a measuring point of a machined surface on the inner wall of a pump shell of the impeller of the vertical pump, and recording measuring data, wherein the measuring point is 8 points in the circumferential direction of the machined surface;
(6) summarizing measurement data and judging the translation direction of the vertical pump cylinder;
(7) after the water pump is started, the displacement of the barrel along the water outlet direction is consistent with the direction of the wind tunnel displacement formed by natural ventilation between water inlets, and the preset offset is carried out in a mode that the experience value is 0.1-0.2 mm, and the preset translation is carried out through a first sliding block 25 and a second sliding block 26 on the surface of the adjustable steel wire heavy hammer device 2 in the direction of the water pump inlet;
(8) the offset of the center during foundation settlement is calculated by the thickness of a stainless steel gasket additionally arranged between the disc type centering support 1 and the motor bottom plate, the preset offset is calculated by measuring the level of the disc type centering support 1 after the gasket is additionally arranged, and the direction and the value of the gasket adjustment during the actual installation of the motor support are calculated according to the thickness of the stainless steel gasket additionally arranged between the disc type centering support 1 and the motor bottom plate on the premise that the level of the centering support is not more than 0.02mm, so that the preset offset is determined;
(9) and after the preset offset is determined and preset is finished, centering the large vertical water pump.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a can predetermine large-scale vertical water pump centering device of offset, includes that support (1) and adjustable steel wire weight device (2) are looked for to the disc type, its characterized in that:
the disc type centering support (1) and the adjustable steel wire heavy hammer device (2) are fixed by a pin joint;
the disc type centering support (1) comprises a circular mounting disc (11) positioned at the bottom and a circular centering platform (12) positioned at the top, and the centering support (1) and the centering platform (12) are arranged in parallel and are fixedly connected through a plurality of supporting columns (13);
steel wire weight device (2) are including ring shape installation chassis (21) that are located the bottom, ring shape work platform (23) that are located the top, through many support columns (22) fixed connection between work platform (23) and installation chassis (21), slide rail (24) are at the bottom of work platform (23) surface through pin fixedly connected with, slide rail (24) surface slidable is equipped with slider (25) No. one, slider (25) top surface slidable is equipped with slider (26) No. two, the top fixedly connected with steel wire weight of slider (26) is received and is released mechanism (27), the rear end of slider (25) slip direction is connected with slider actuating mechanism (28) No. one, the rear end of slider (26) slip direction is connected with slider actuating mechanism (29) No. two.
2. The large vertical water pump centering device with the preset offset according to claim 1, wherein: the surface of the mounting disc (11) is provided with a plurality of bolt holes (111) for fixing the disc type centering support (1).
3. The large vertical water pump centering device with the preset offset according to claim 1, wherein: the centering platform is characterized in that an inwards-concave circular mounting limiting groove (121) is formed in the center of the top surface of the centering platform (12), a through circular weight hole (122) is formed in the center of the mounting limiting groove (121), and a plurality of fixing pin holes (123) are uniformly formed in the periphery of the weight hole (122).
4. The large vertical water pump centering device with the preset offset according to claim 1, wherein: the sliding rail groove slidable of a slider (25) bottom and end slide rail (24) top surface connects, slider (25) top still is equipped with the spout that sets up mutually perpendicularly with the slide rail groove direction of end slide rail (24) top surface, the spout slidable of No. two slider (26) bottoms and a slider (25) top connects.
5. The large vertical water pump centering device with the preset offset according to claim 1, wherein: the steel wire heavy hammer retracting and releasing mechanism (27) comprises two retracting and releasing supports (271) which are symmetrically and fixedly connected to the top surface of a first sliding block (25), a retracting and releasing roller (272) is rotatably connected between the two retracting and releasing supports (271), and a locking mechanism (273) is arranged on one side of the retracting and releasing roller (272).
6. The large vertical water pump centering device with the preset offset according to claim 1, wherein: the first sliding block driving mechanism (28) comprises a first sliding block driving screw rod (281) arranged in the moving direction of the first sliding block (25) and a first screw rod limiting block (282) fixedly connected to the surface of the working platform (23), and the first sliding block driving screw rod (281) can rotatably penetrate through the first screw rod limiting block (282) through threads and is rotatably connected with the first sliding block (25) through the threads and used for driving the first sliding block (25) to translate.
7. The large vertical water pump centering device with the preset offset according to claim 1, wherein: the second sliding block driving mechanism (29) comprises a second sliding block driving screw rod (291) arranged in the moving direction of the second sliding block (26) and a second screw rod limiting block (292) fixedly connected to the surface of the first sliding block (25), and the second sliding block driving screw rod (291) can rotatably penetrate through the second screw rod limiting block (292) through threads and can be rotatably connected with the second sliding block (26) through threads to drive the second sliding block (26) to move horizontally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021553122.0U CN212340152U (en) | 2020-07-31 | 2020-07-31 | Large vertical water pump centering device capable of presetting offset |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021553122.0U CN212340152U (en) | 2020-07-31 | 2020-07-31 | Large vertical water pump centering device capable of presetting offset |
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| CN212340152U true CN212340152U (en) | 2021-01-12 |
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| CN202021553122.0U Active CN212340152U (en) | 2020-07-31 | 2020-07-31 | Large vertical water pump centering device capable of presetting offset |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780651A (en) * | 2020-07-31 | 2020-10-16 | 国家能源集团谏壁发电厂 | Large vertical water pump centering device capable of presetting offset and method for presetting offset |
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2020
- 2020-07-31 CN CN202021553122.0U patent/CN212340152U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780651A (en) * | 2020-07-31 | 2020-10-16 | 国家能源集团谏壁发电厂 | Large vertical water pump centering device capable of presetting offset and method for presetting offset |
| CN111780651B (en) * | 2020-07-31 | 2024-07-26 | 国家能源集团谏壁发电厂 | Large vertical water pump centering device capable of presetting offset and offset presetting method |
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