CN116495353A - Rotor supporting method capable of achieving combination of lifting rotation and rigid support - Google Patents

Abstract

The invention relates to the technical field of support for long-term storage and long-distance transportation of rotors of large-scale rotating equipment, and specifically discloses a method for supporting rotors that can be lifted, rotated, and rigidly supported. Two sets of rigid supports and a lifting mechanism, the lifting mechanism controls the lifting support; 2) The main shafts on both sides of the rotor are placed on the rigid support or placed on the lifting support; 3) When the rotor needs to be transported, the lifting mechanism controls the lifting support to drop to a low height On the rigid support, the main shafts on both sides of the rotor fall on the rigid support for stable support; 4) When the rotor needs turning, the lifting mechanism controls the lifting support to rise higher than the rigid support, and the main shafts on both sides of the rotor fall on the lifting support for turning Rotor: The invention realizes that the large rotor is rigidly fixed, safe and reliable during transportation, and can be easily rotated through simple adjustment during storage, which improves management efficiency, reduces management risks and labor intensity, and saves management costs.

Description

A rotor support method combining liftable rotation and rigid support

technical field

The invention relates to the technical field of support for long-term storage and long-distance transportation of rotors of large-scale rotating equipment, in particular to a rotor support method that can be lifted and rotated in combination with rigid supports.

Background technique

At present, the storage and transportation of rotors of large rotating equipment (motors, turbines, axial fans, centrifugal fans, etc.) in metallurgy, power generation, petrochemical, machinery manufacturing and other industries require support devices to prevent the rotor from being squeezed or collided when it falls to the ground. . During transportation, the supporting device is required to be firm and reliable, and the rotor must be reliably fixed, and no loosening or rotation is allowed to prevent rolling and falling during transportation. Some rotors are spare parts and need to be stored for a long time. When the rotor is placed horizontally for a long time, in order to avoid bending deformation of the rotor under its own gravity and damage to the dynamic balance, it must be rotated 180° (barring) regularly, once a month. -2 times.

At present, ordinary rigid brackets are used for the transportation and storage of rotors (as shown in Figure 1). The non-friction shaft diameter of the main shaft is prevented from being on the rigid support surface. The friction coefficient is high and the rotation is difficult. Use a crane to cooperate with multiple people before it can be implemented. Existing problems: First, the cranking requires the cooperation of multiple people, which takes a long time and the management efficiency is low; second, it needs the cooperation of cranes or cranes and maintenance personnel, which increases the management cost; , There are potential safety hazards in the cooperation of multiple people, etc., and the risk of spare rotor management is high. Therefore, there is an urgent need to design a rotor support method that can be lifted, rotated and rigidly supported to solve the problem that the existing rigid support cannot control the rotor to complete the turning work, resulting in single use of the rigid support, low work efficiency, and high cost.

Contents of the invention

Aiming at the problems existing in the prior art, the object of the present invention is to provide a rotor supporting method that can be lifted and rotated and rigidly supported.

The technical solution adopted by the present invention to solve the technical problem is: a rotor support method that can be lifted and rotated and rigidly supported, including the following steps:

1) Make two sets of rigid supports and lifting mechanisms on both sides of the outer sides of the rigid support, and the lifting mechanism controls the lifting of the lifting support;

2) When the height of the lifting support is lower than the rigid support, the main shafts on both sides of the rotor are placed on the rigid support; when the height of the lifting support is higher than the rigid support, the main shafts on both sides of the rotor are placed on the lifting support;

3) When the rotor needs to be transported, the lifting mechanism controls the lifting support to drop to a height lower than the rigid support, and the main shafts on both sides of the rotor fall on the rigid support for stable support;

4) When the rotor needs to be cranked, the lifting mechanism controls the lifting support to rise higher than the rigid support, and the main shafts on both sides of the rotor fall on the lifting support to rotate the rotor.

Specifically, the rigid support and the bottom of the rigid support in the step 1) are fixed on the base, two sets of lifting mechanisms are installed on the rigid support on each side, and the lifting support is installed on the upper part of the lifting mechanism.

Specifically, the upper part of the lifting bracket in the step 2) is rotated to connect the two supporting wheels. When the lifting bracket rises, the two supporting wheels support the rotor. .

Specifically, a "V"-shaped groove is provided in the middle of the lifting bracket, and support wheels are installed on both sides of the "V"-shaped groove through bearing rotation.

Specifically, the lifting mechanism adopts a lifting cylinder or a lead screw.

Specifically, a groove is provided in the middle of the rigid support, and the radian of the groove matches the roundness of the main shaft on both sides of the rotor.

The present invention has the following beneficial effects:

The rotor support method designed in the present invention in combination with liftable rotation and rigid support realizes rigid fixation, safety and reliability of large rotors during transportation, and easy rotation through simple adjustments during storage, improves management efficiency, reduces management risks and labor intensity, Save management costs.

Description of drawings

Fig. 1 is a structural schematic diagram of a conventional rotor rigid support.

Fig. 2 is a structural schematic diagram of the cranking state of the rotor supporting device which can be lifted, rotated and rigidly supported.

Fig. 3 is a sectional view along A-A in Fig. 2 .

Fig. 4 is a structural schematic view of the rigid support state of the rotor support device that can be lifted, rotated and rigidly supported.

Fig. 5 is a cross-sectional view along B-B in Fig. 4 .

In the figure: 1-rigid support; 2-rotor; 3-rigid support; 4-lifting mechanism; 5-lifting support; 6-supporting wheel.

Detailed ways

The technical solutions in the embodiments of the present invention will be described clearly and completely in further detail below in conjunction with the accompanying drawings in the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Figure 2-5, a rotor support method that can be lifted, rotated and rigidly supported includes the following steps:

1) Make two sets of rigid supports 3 and lifting mechanism 4 on both sides outside the rigid support 1, and the lifting mechanism 4 controls the lifting and lowering of the lifting support 5;

2) When the height of the lifting support 5 is lower than the rigid support 1, the main shafts on both sides of the rotor 2 are placed on the rigid support 1, and when the height of the lifting support 5 is higher than the rigid support 1, the main shafts on both sides of the rotor 2 are placed on the lifting support 5 superior;

3) When the rotor 2 needs to be transported, the lifting mechanism 4 controls the lifting support 5 to drop to a height lower than the rigid support 1, and the main shafts on both sides of the rotor 2 slowly fall on the rigid support 1 for stable support;

4) When the rotor 2 needs to be cranked, the lifting mechanism 4 controls the lifting support 5 to rise higher than the rigid support 1, and the main shafts on both sides of the rotor 2 slowly fall on the lifting support 5 to rotate the rotor 2.

Example 1

1. Make a rigid support 1. A groove is provided in the middle of the rigid support 1. The radian of the groove matches the roundness of the main shaft on both sides of the rotor 2.

2. Design and place a platform on the outside of both ends of the rigid support 1 as a rigid support 3. Process internal threads on the platform, two at both ends of the platform, and install the lifting mechanism 4. The lifting mechanism 4 adopts a lifting cylinder or a screw. When the lifting mechanism 4 adopts a lifting cylinder, the cylinder body is installed on the rigid support 3, and the cylinder rod is fixed on the lifting support 5 through a connecting piece; when the lifting mechanism 4 adopts a lead screw, the lower part of the lead screw is installed on the rigid support 3 through a bearing seat On, the top of the leading screw is provided with a rocking handle, the leading screw is screwed to the nut seat, and the nut seat is fixed on the elevating support 5.

3. Make two sets of elevating brackets 5. The middle part of the elevating brackets 5 is provided with a "V"-shaped groove, and the two sides of the "V"-shaped groove are rotated by bearings to install the supporting wheels 6. Support wheel 6 is installed on the lifting support 5 by bearing, and support wheel 6 freely rotates on lifting support 5, and two support wheels 6 spacings are adjustable, and the rotor 2 of different diameters adjusts different widths.

4. A chute for the movement or rotation of the lifting mechanism 4 is provided on the lifting bracket 5 to play a guiding role.

5. When the rotor 2 is transported, the height of the lifting bracket 5 is lowered by the lifting mechanism 4, so that the main shaft of the rotor 2 slowly falls on the groove of the rigid bracket 1, as shown in Figure 4-5, to achieve rigid and stable support.

6. When the rotor 2 is turning, use the lifting mechanism 4 to raise the height of the lifting bracket 5, so that the rotor 2 slowly leaves the rigid bracket 1, and the rotor 2 is supported by the supporting wheels 6 on the lifting bracket 5, as shown in Figure 2-3 , the rotor 2 rolls instead of sliding on the support wheel 6, and the rotor 2 is easily rotated.

The rotor support device with convertible support function can not only ensure the safety of long-distance transportation, but also facilitate long-term storage of barring.

The present invention is not limited to the above-mentioned embodiments, and anyone should know that any structural changes made under the inspiration of the present invention, and any technical solutions that are the same as or similar to the present invention, all fall within the protection scope of the present invention.

The technologies, shapes and construction parts not described in detail in the present invention are all known technologies.

Claims (6)

1. A rotor support method that can be lifted and rotated and rigidly supported, it is characterized in that it includes the following steps: 1) Make two sets of rigid supports and lifting mechanisms on both sides of the outer sides of the rigid support, and the lifting mechanism controls the lifting of the lifting support; 2) When the height of the lifting support is lower than the rigid support, the main shafts on both sides of the rotor are placed on the rigid support; when the height of the lifting support is higher than the rigid support, the main shafts on both sides of the rotor are placed on the lifting support; 3) When the rotor needs to be transported, the lifting mechanism controls the lifting support to drop to a height lower than the rigid support, and the main shafts on both sides of the rotor fall on the rigid support for stable support; 4) When the rotor needs to be cranked, the lifting mechanism controls the lifting support to rise higher than the rigid support, and the main shafts on both sides of the rotor fall on the lifting support to rotate the rotor. 2. The rotor support method according to claim 1, characterized in that the rigid support and the bottom of the rigid support in the step 1) are fixed on the base, and the rigidity of each side Two sets of lifting mechanisms are installed on the supports, and lifting brackets are installed on the upper part of the lifting mechanisms. 3. The rotor support method according to claim 1, characterized in that the upper part of the elevating bracket in the step 2) is rotatably connected to two supporting wheels, and when the elevating bracket rises, the two supporting wheels The wheel supports the rotor, and when the rotor is turned, the four support wheels on both sides assist in the rotation, and the rotor can be rotated easily. 4. The rotor support method according to claim 3, wherein a "V"-shaped groove is provided in the middle of the lifting bracket, and the two sides of the "V"-shaped groove are rotated by bearings Install the support wheels. 5. The rotor support method according to claim 1, characterized in that the lifting mechanism adopts a lifting cylinder or a lead screw. 6. The method for supporting a rotor that can be lifted and rotated in combination with a rigid support according to claim 1, wherein a groove is provided in the middle of the rigid support, and the radian of the groove corresponds to the roundness of the main shaft on both sides of the rotor. adaptation.