CN215201585U - Special clamping tool for overhauling indoor vertical long-axis pump - Google Patents
Special clamping tool for overhauling indoor vertical long-axis pump Download PDFInfo
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- CN215201585U CN215201585U CN202120644032.0U CN202120644032U CN215201585U CN 215201585 U CN215201585 U CN 215201585U CN 202120644032 U CN202120644032 U CN 202120644032U CN 215201585 U CN215201585 U CN 215201585U
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Abstract
The utility model discloses a special clamping tool for overhauling an indoor vertical long shaft pump, which comprises a square channel steel, wherein a clamping groove is arranged on the inner side wall of the square channel steel, a round cavity is arranged on the inner side wall of the square channel steel, a thread lead screw is arranged on the inner side wall of the round cavity, and the thread lead screw is movably connected with the inner side wall of the round cavity, the vertical long shaft pump is fixed by utilizing the principle of friction force in the utility model, the original overhauling mode of the vertical long shaft pump can be changed by applying the tool, the center of the clamping adopts a surface contact mode, the friction force is increased, the special clamping tool is not provided by the traditional clamping tool, the vertical long shaft pump of a power plant has simple structure, convenient operation and low cost, when operating personnel operate, the lifting can be carried out after clamping the shaft, the disassembling work is carried out, the risk of falling into water of the pump shaft and personal casualties is reduced, and the pump shaft shell can be fixed according to the lifting height and the flange position, the maintenance efficiency is improved, and the unit operation economy is improved.
Description
Technical Field
The utility model relates to an overhaul and embrace and press from both sides technical field, especially relate to a special armful of clamp instrument of indoor vertical major axis pump overhaul.
Background
The country pays more and more attention to environmental protection safety, the vertical long shaft pump is widely adopted as deep water sewage treatment equipment in the power plant in China at present, because the depth of a sewage pool is large, the length of a pump shaft of the vertical long shaft pump is larger, the pump shaft cannot be completely lifted at one time by using hoisting equipment within limited indoor height, the shaft and a shell need to be disassembled in a segmented manner, if no reasonable equipment is used for fixing the suspended shaft and the shell, the undetached shaft and the shell can be caused to fall into the deep water pool, serious persons can cause personal injury, the vertical long shaft pump has the defects of large difficulty and low speed in disassembly and assembly, the risk is high due to limited hoisting operation, the potential safety hazard is large, the suspended operation cannot be adopted, the sewage treatment is delayed, and the unit economy is reduced, and the utility model can directly solve the problems of low disassembly and assembly speed, high risk and high manufacturing cost of the vertical long shaft pump, because the vertical long-axis pump is not overhauled in time, sewage can not be treated in time, and the running economy of the generator set is greatly reduced.
The vertical major axis pump shaft length of traditional power plant is about 15 meters, radius 0.5 meters, the mode that generally adopts multistage pump to take the impeller is used for handling sewage, because the equipment operating mode is sewage, easily cause the corrosion of axle housing flange, the impeller damages the scheduling problem, need often to overhaul the pump shaft, dismouting major axis pump needs manual operation, dismouting work load is big, man-hour is long (every time the major axis pump is dismantled or adorned 8-10 hours), furthermore, in pump house department, can't once only hoist pump shaft and shell's operation, unsettled operation easily causes the risk of falling into water, personnel operate dangerously greatly, for this reason, we propose an indoor vertical major axis pump and overhaul special use and embrace and press from both sides instrument, solve above problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that quick loading and unloading can not be realized in the prior art, and the special clamping tool for overhauling the indoor vertical long-axis pump.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a special armful of clamp instrument of indoor vertical major axis pump maintenance, includes the square channel-section steel, it embraces the clamp groove to have seted up on the inside wall of square channel-section steel, round chamber has been seted up on the inside wall of square channel-section steel, be provided with the screw thread lead screw on the inside wall in round chamber, swing joint between the inside wall in screw thread lead screw and round chamber, threaded connection has the nut on the lateral wall of screw thread lead screw, threaded connection has the threaded rod on the inside wall of square channel-section steel, the tip fixedly connected with turning block of threaded rod, the other end of threaded rod extends to the inside of square channel-section steel, the other end swing joint of threaded rod has the clamp plate, the clamp plate is close to the one side fixedly connected with gag lever post of embracing the clamp groove, the gag lever post runs through the square channel-section steel.
Preferably, the two square channel steel are 1m long and 0.2m wide.
Preferably, two square channel steels adopt rigid material.
Preferably, the diameter of the circular cavity is 30 mm.
Preferably, the length of two of said threaded rods is 1 m.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model utilizes the principle of friction force, when the clamping work is needed, the square channel steel 2 is tightly pressed against the side wall of the long shaft pump, then the pump shaft can be preliminarily clamped by rotating the nut 4, at the moment, the threaded rod 7 can be moved to the inner side by rotating the rotating block 8, and further the clamping plate 6 can be moved to the inner side, so that the pump shaft can be more fully clamped, the vertical long shaft pump is fixed, the original maintenance mode of the vertical long shaft pump can be changed by applying the tool, the surface contact mode is adopted at the center of the clamping, the friction force is increased, the clamping tool has the characteristics that the traditional clamping tool does not have, the structure is simple, the operation is convenient, the cost is reduced, the lifting can be carried out after the shaft is clamped during the operation of an operator, the disassembly work is carried out, the falling water of the pump shaft is reduced, the risk of personal injury is avoided, the pump shaft shell can be fixed according to the lifting height and the flange position, the maintenance efficiency is improved, and the operation economy of the unit is improved;
through the on-site practical use of the vertical long-shaft pump overhauling clamping tool, the operation time for disassembling and assembling the vertical long-shaft pump is greatly shortened (from 8-10 hours originally, the time is shortened within 5 hours), compared with the original overhauling process, the operation is safe, simple, convenient and economic, the pump shaft shell can be fixed according to the hoisting height and the flange position, the overhauling efficiency is high, the economic benefit is good, and the like.
Drawings
Fig. 1 is a schematic structural view of a special holding clamp tool for overhauling an indoor vertical long-axis pump provided by the utility model;
fig. 2 is a partial structural perspective view of a special holding clamp tool for overhauling an indoor vertical long-axis pump, which is provided by the utility model;
fig. 3 is the utility model provides a partial structure schematic diagram of special armful of clamp instrument is overhauld to indoor vertical major axis pump.
In the figure: the device comprises a square channel steel 1, a threaded screw rod 2, a clamping groove 3, a nut 4, a round cavity 5, a clamping plate 6, a threaded rod 7, a rotating block 8 and a limiting rod 9.
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. 1-3, a special holding and clamping tool for overhauling an indoor vertical long-axis pump comprises a square channel steel 1, wherein the two square channel steel 1 are 1m long and 0.2m wide, the two square channel steel 1 are made of rigid materials, a holding and clamping groove 3 is formed in the inner side wall of the square channel steel 1, a round cavity 5 is formed in the inner side wall of the square channel steel 1, the diameter of the round cavity 5 is 30mm, a threaded lead screw 2 is arranged on the inner side wall of the round cavity 5, the two threaded lead screws 2 are 1m long, the threaded lead screw 2 is movably connected with the inner side wall of the round cavity 5, a nut 4 is connected with the outer side wall of the threaded lead screw 2 in a threaded manner, a threaded rod 7 is connected with the inner side wall of the square channel steel 1 in a threaded manner, a rotating block 8 is fixedly connected to the end part of the threaded rod 7, the other end of the threaded rod 7 extends into the square channel steel 1, and a clamping plate 6 is movably connected with the other end of the threaded rod 7, one side, close to the clamping groove 3, of the clamping plate 6 is fixedly connected with a limiting rod 9, and the limiting rod 9 penetrates through the square channel steel 1;
the special clamping tool for overhauling the indoor vertical long shaft pump is characterized in that during daily on-site overhauling operation, only one electric crane is generally installed indoors, when the vertical long shaft pump is overhauled and lifted out, the clamping tool is installed on a long shaft pump bedplate, a first section of pump shaft of the vertical long shaft pump is integrally lifted out, a second section of shaft is clamped and fixed by the clamping tool, so that the second section of long shaft can be completely clamped, at the moment, the electric crane only hoists the first section of long shaft, the second to sixth sections of shafts are completely clamped and hoisted by a clamping device, after the first section of long shaft is disassembled and assembled, the first section of shaft is conveyed to a specified overhauling position by only one crane, and the first overhauling process is repeated until 6 sections of connecting shafts of the vertical long shaft are completely disassembled;
two square groove steels 1 with the length of 1 meter and the width of 0.2 meter are installed, the square groove steels 1 are made of rigid materials and are not easy to bend, and the pump shaft and the holding clamp can be clamped tightly. Drilling circular cavities 5 with the diameter of 30mm on two sides of groove steel respectively, arranging a clamping groove 3 in the middle of a square groove steel 1, enabling the clamping groove 3 to be in surface contact with a pump shaft of a vertical long-axis pump, increasing friction force by using a surface contact mode, enabling the pump shaft to be clamped with a clamping clamp, penetrating two M24 threaded lead screws 2 with the length of 1M into the circular cavities 5 with the diameter of 30mm in the square groove steel 1, screwing in and fastening two sides of each lead screw by using nuts 4 of M24 respectively, enabling the nuts 4 to be screwed in and fastened to the square groove steel 1 completely, and enabling the clamping groove 3 and the pump shaft to be clamped tightly to clamp the pump shaft completely;
the vertical long shaft pump is fixed by utilizing the principle of friction force, the application of the tool can change the original maintenance mode of the vertical long shaft pump, the center of the clamping adopts a surface contact mode, the friction force is increased, and the tool is the characteristic which is not possessed by the traditional clamping tool;
the clamping tool is actually used for overhauling the vertical long-axis pump on site, so that the operation time for disassembling and assembling the vertical long-axis pump is greatly shortened (from 8-10 hours to within 5 hours), compared with the original overhauling process, the clamping tool is safe, simple, convenient and economic to operate, the pump shaft shell can be fixed according to the lifting height and the flange position, the overhauling efficiency is high, the economic benefit is good, and the like;
when the vertical long-shaft pump needs to be clamped, the square channel steel 2 is abutted against the side wall of the long-shaft pump, the pump shaft can be preliminarily clamped through the rotating nut 4, at the moment, the threaded rod 7 can be moved inwards by rotating the rotating block 8, and then the clamping plate 6 is moved inwards, so that the requirement of clamping the pump shaft is met, the situations that the pump shaft falls into water and casualties due to insufficient clamping are avoided, and the safety of work is improved.
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 (5)
1. The utility model provides a special armful of clamp instrument of indoor vertical major axis pump maintenance, includes square channel-section steel (1), its characterized in that, armful clamp groove (3) have been seted up on the inside wall of square channel-section steel (1), round cavity (5) have been seted up on the inside wall of square channel-section steel (1), be provided with screw lead screw (2) on the inside wall of round cavity (5), swing joint between the inside wall of screw lead screw (2) and round cavity (5), threaded connection has nut (4) on the lateral wall of screw lead screw (2), threaded connection has threaded rod (7) on the inside wall of square channel-section steel (1), the tip fixedly connected with turning block (8) of threaded rod (7), the other end of threaded rod (7) extends to the inside of square channel-section steel (1), the other end swing joint of threaded rod (7) has clamping plate (6), one side fixedly connected with gag lever (9) that clamping plate (6) are close to armful clamp groove (3), the limiting rod (9) penetrates through the square channel steel (1).
2. The special holding and clamping tool for overhauling the indoor vertical long-axis pump as claimed in claim 1, wherein the two square channel steel (1) have the size of 1m long and 0.2m wide.
3. The special holding and clamping tool for overhauling the indoor vertical long-axis pump as claimed in claim 1, wherein the two square channel steel (1) are made of rigid materials.
4. The special clasping tool for the overhaul of the indoor vertical long-axis pump as claimed in claim 1, wherein the diameter of the circular cavity (5) is 30 mm.
5. The special holding and clamping tool for overhauling the indoor vertical long-axis pump as claimed in claim 1, wherein the length of the two threaded screw rods (2) is 1 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120644032.0U CN215201585U (en) | 2021-03-30 | 2021-03-30 | Special clamping tool for overhauling indoor vertical long-axis pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120644032.0U CN215201585U (en) | 2021-03-30 | 2021-03-30 | Special clamping tool for overhauling indoor vertical long-axis pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215201585U true CN215201585U (en) | 2021-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120644032.0U Active CN215201585U (en) | 2021-03-30 | 2021-03-30 | Special clamping tool for overhauling indoor vertical long-axis pump |
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| Country | Link |
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| CN (1) | CN215201585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115070640A (en) * | 2022-03-25 | 2022-09-20 | 上海凯泉泵业（集团）有限公司 | Special tool for mounting submersible pump |
-
2021
- 2021-03-30 CN CN202120644032.0U patent/CN215201585U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115070640A (en) * | 2022-03-25 | 2022-09-20 | 上海凯泉泵业（集团）有限公司 | Special tool for mounting submersible pump |
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