CN219362964U - Main pump motor lifting maintenance platform - Google Patents

Abstract

The utility model discloses a main pump motor lifting maintenance platform, which belongs to the field of motor maintenance and comprises a lower lifting ring, wherein the upper end of the lower lifting ring is fixedly connected with an upper lifting ring, the inner wall of the lower lifting ring is provided with a plurality of arc grooves, a supporting bar is rotationally connected in each arc groove, the inner wall of each arc groove is fixedly connected with an arc rod penetrating through the supporting bar, the arc rods are in sliding connection with the supporting bar, a tension spring sleeved outside the arc rods is fixedly connected between the supporting bar and the inner wall of each arc groove, the same driving block is in sliding connection between the supporting bar and the inner wall of each arc groove, and the upper end of the upper lifting ring is provided with a strip-shaped through hole positioned at the upper side of the driving block.

Description

Main pump motor lifting maintenance platform

Technical Field

The utility model relates to the field of motor overhaul, in particular to a main pump motor hoisting overhaul platform.

Background

The main pump motor, i.e. the reactor coolant pump motor, is one of the key devices of the nuclear power plant, and the main pump motor of the nuclear power plant needs to be tested before running so as to ensure continuous normal running, and at present, the maintenance of the main pump motor needs to be fixed in the motor plant through a special platform.

The existing maintenance platform directly lifts the main pump motor, but because the main pump motor is large in size and complex in internal structure, shaking is easy to occur after lifting, and a user is affected to carry out maintenance work.

Therefore, a main pump motor hoisting maintenance platform is provided to solve some problems existing in the prior art.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a main pump motor lifting maintenance platform which is characterized in that the supporting bars are rotated downwards to different angles inside a lifting ring by moving a driving block to position the main pump motors of different types, so that the main pump motors can be effectively prevented from shaking, and the application range of the maintenance platform is increased.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a main pump motor hoist and mount maintenance platform, including rings down, rings upper end fixedly connected with goes up rings, a plurality of arc grooves have been seted up to rings inner wall down, the arc inslot rotates and is connected with the support bar, arc inslot inner wall fixedly connected with runs through the arc pole that the support bar set up, arc pole and support bar sliding connection, fixedly connected with cover is established the extension spring in the arc pole outside between support bar and the arc inslot inner wall, sliding connection has same driver block between support bar and the arc inslot wall, the bar through-hole that is located the driver block upside is seted up to upper end of rings, sliding connection has the actuating lever with driver block fixed connection in the bar through-hole.

Further, the outer end fixedly connected with of a plurality of actuating levers is the same and is located down rings and go up rings between the ring, goes up rings lower extreme fixedly connected with two locating pieces that distribute about, the ring runs through the locating piece and with locating piece sliding connection, and the user can drive a plurality of actuating levers simultaneously and take place the displacement through rotating the ring, can improve work efficiency on the one hand, also can make a plurality of actuating levers keep synchronous displacement in addition, and last rings lower extreme fixedly connected's locating piece can play the locate action to the ring.

Further, the upper end fixedly connected with of upper rings a plurality of haulage ropes, a plurality of haulage ropes evenly equiangular distribution, a plurality of haulage ropes upper end fixedly connected with same pulley, a plurality of haulage ropes of even equiangular distribution can effectively improve the stability when the motor overhauls.

Further, the upper end sliding connection of lower rings has the locating plate, and a plurality of locating holes with actuating lever looks adaptation have been seted up to the locating plate upper end, and the user can be through inserting the actuating lever in the locating hole of corresponding position to realize the location to the actuating lever to stability when effectively improving motor maintenance.

Further, the lower lifting ring and the upper lifting ring are fixedly connected through a plurality of supporting columns, the supporting columns are uniformly distributed at equal angles, and the supporting columns enable the lower lifting ring and the upper lifting ring to form a hollowed-out shape, so that the weight can be effectively reduced.

Further, lower rings lower extreme fixedly connected with direct lamp, direct lamp external connection have power supply unit, when the maintenance, use and open the direct lamp, the shadow coverage of direct lamp just is the dangerous region when the motor drops, reminds the user to pay attention to safety.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) According to the scheme, the supporting bar is enabled to rotate towards the inside of the lifting ring by different angles through the movement driving block to position the main pump motors of different models, so that on one hand, the main pump motors can be effectively prevented from shaking, and on the other hand, the application range of the overhaul platform is also increased.

(2) The user can drive a plurality of actuating levers through rotating the ring and take place the displacement simultaneously, can improve work efficiency on the one hand, also can make a plurality of actuating levers keep synchronous displacement in addition, and the locating piece of last rings lower extreme fixed connection can play the locate action to the ring, and a plurality of haulage ropes of even equiangular distribution in last rings upper end can effectively improve the stability when the motor overhauls.

(3) The user can be through inserting the locating hole of corresponding position with the actuating lever in realizing the location to the actuating lever to stability when effectively improving motor maintenance forms the fretwork form between rings and the last rings down by a plurality of support columns, can effectively lighten weight, rings lower extreme fixedly connected with direct lamp down, and the direct lamp is external to have power supply unit, when the maintenance, uses and opens the direct lamp, and the shadow coverage of direct lamp just is the danger area when the motor drops, reminds the user to pay attention to safety.

Drawings

FIG. 1 is a schematic view of the structure of the present utility model in use;

FIG. 2 is a schematic elevational view of the present utility model;

fig. 3 is a schematic view of a three-dimensional structure of a lower suspension ring according to the present utility model.

The reference numerals in the figures illustrate:

1. a lower hanging ring; 2. an upper hanging ring; 3. an arc-shaped groove; 4. a support bar; 5. an arc-shaped rod; 6. a tension spring; 7. a driving block; 8. a strip-shaped through opening; 9. a driving rod; 10. a circular ring; 11. a positioning block; 12. a traction rope; 13. a pulley; 14. a positioning plate; 15. positioning holes; 16. a support column; 17. a direct-fired lamp.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1:

referring to fig. 1-3, a main pump motor lifting maintenance platform comprises a lower lifting ring 1, wherein the upper end of the lower lifting ring 1 is fixedly connected with an upper lifting ring 2, a plurality of arc grooves 3 are formed in the inner wall of the lower lifting ring 1, support bars 4 are rotationally connected in the arc grooves 3, arc rods 5 penetrating through the support bars 4 are fixedly connected to the inner walls of the arc grooves 3, extension springs 6 sleeved on the outer sides of the arc rods 5 are fixedly connected between the support bars 5 and the inner walls of the arc grooves 3, the same driving block 7 is slidingly connected between the support bars 4 and the inner walls of the arc grooves 3, a strip-shaped through opening 8 positioned on the upper side of the driving block 7 is formed in the upper end of the upper lifting ring 2, and driving rods 9 fixedly connected with the driving block 7 are slidingly connected in the strip-shaped through opening 8.

Referring to fig. 3, the outer ends of the driving rods 9 are fixedly connected with a ring 10 between the lower lifting ring 1 and the upper lifting ring 2, the lower ends of the upper lifting ring 2 are fixedly connected with two left and right distributed positioning blocks 11, the ring 10 penetrates through the positioning blocks 11 and is slidably connected with the positioning blocks 11, a user can drive the driving rods 9 to displace by rotating the ring 10, on one hand, the working efficiency can be improved, in addition, the driving rods 9 can be synchronously displaced, and the positioning blocks 11 fixedly connected with the lower ends of the upper lifting ring 2 can play a role in positioning the ring 10.

Referring to fig. 1, the upper end of the upper lifting ring 2 is fixedly connected with a plurality of traction ropes 12, the plurality of traction ropes 12 are uniformly distributed at equal angles, the upper end of the plurality of traction ropes 12 is fixedly connected with the same pulley 13, and the plurality of traction ropes 12 which are uniformly distributed at equal angles can effectively improve the stability of the motor during maintenance.

Referring to fig. 2, the upper end of the lower suspension ring 1 is slidably connected with a positioning plate 14, and a plurality of positioning holes 15 adapted to the driving rod 9 are formed at the upper end of the positioning plate 14, so that a user can position the driving rod 9 by inserting the driving rod 9 into the positioning holes 15 at corresponding positions, thereby effectively improving the stability of the motor during maintenance.

Referring to fig. 1, the lower lifting ring 1 and the upper lifting ring 2 are fixedly connected through a plurality of supporting columns 16, the supporting columns 16 are uniformly distributed at equal angles, the supporting columns 16 form a hollow shape between the lower lifting ring 1 and the upper lifting ring 2, so that the weight can be effectively reduced, the lower end of the lower lifting ring 1 is fixedly connected with a direct light 17, the direct light 17 is externally connected with power equipment, when the overhaul is performed, the direct light 17 is turned on, the light and shadow coverage range of the direct light 17 is a dangerous area when a motor falls, and a user is reminded of safety.

When the main pump motor needs to be overhauled, a user firstly sleeves the lower lifting ring 1 and the upper lifting ring 2 on the outer side of the main pump motor, then clockwise slides the driving rod 9, the driving block 7 at the lower end of the driving rod moves towards the direction close to the arc-shaped rod 5, the extrusion supporting bar 4 rotates towards the inner direction of the lower lifting ring 1, the extension spring 6 is stretched, after the main pump motor is clamped in a space formed between the arc-shaped rods 5, the user lifts the main pump motor by using the pulley 13 externally connected winding equipment so as to be convenient for the user to overhaul.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (6)

1. The utility model provides a main pump motor hoist and mount overhauls platform, includes rings (1), its characterized in that down: the utility model discloses a lifting device for a bicycle, including lifting ring (1) and support bar (7), lifting ring (1) upper end fixedly connected with is gone up lifting ring (2), a plurality of arc grooves (3) have been seted up to lifting ring (1) inner wall down, arc groove (3) internal rotation is connected with support bar (4), arc groove (3) inner wall fixedly connected with runs through arc pole (5) that support bar (4) set up, arc pole (5) and support bar (4) sliding connection, fixedly connected with cover is established extension spring (6) in arc pole (5) outside between support bar (4) and the arc groove (3) inner wall, same driving block (7) are offered to sliding connection between support bar (4) and the arc groove (3) inner wall, bar through-hole (8) upper end is offered and is located driving block (7) upside bar through-hole (8), sliding connection has driving rod (9) with driving block (7) fixed connection.

2. The main pump motor lifting maintenance platform according to claim 1, wherein: the outer ends of the driving rods (9) are fixedly connected with a ring (10) which is positioned between the lower hanging ring (1) and the upper hanging ring (2), the lower ends of the upper hanging rings (2) are fixedly connected with two left and right distributed positioning blocks (11), and the ring (10) penetrates through the positioning blocks (11) and is in sliding connection with the positioning blocks (11).

3. The main pump motor lifting maintenance platform according to claim 1, wherein: the upper lifting ring (2) is fixedly connected with a plurality of traction ropes (12), the traction ropes (12) are uniformly distributed at equal angles, and the upper ends of the traction ropes (12) are fixedly connected with the same pulley (13).

4. The main pump motor lifting maintenance platform according to claim 1, wherein: the upper end of the lower lifting ring (1) is slidably connected with a positioning plate (14), and a plurality of positioning holes (15) matched with the driving rod (9) are formed in the upper end of the positioning plate (14).

5. The main pump motor lifting maintenance platform according to claim 1, wherein: the lower lifting ring (1) is fixedly connected with the upper lifting ring (2) through a plurality of supporting columns (16), and the supporting columns (16) are uniformly distributed at equal angles.

6. The main pump motor lifting maintenance platform according to claim 1, wherein: the lower lifting ring (1) lower extreme fixedly connected with direct lamp (17), direct lamp (17) external connection has power supply unit.