CN213673887U - Connecting device of air preheater speed reducer coupler - Google Patents
Connecting device of air preheater speed reducer coupler Download PDFInfo
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- CN213673887U CN213673887U CN202022667982.3U CN202022667982U CN213673887U CN 213673887 U CN213673887 U CN 213673887U CN 202022667982 U CN202022667982 U CN 202022667982U CN 213673887 U CN213673887 U CN 213673887U
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- permanent magnet
- speed reducer
- air preheater
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Abstract
The utility model discloses a connecting device of air preheater speed reducer shaft coupling, including the rectangle bottom plate, the top of two minor faces of bottom plate slides respectively and is equipped with the telescopic link, be fixed with the frame plate between two telescopic link tops, the frame plate top is rotated and is equipped with the screw rod, the spiro union cover is equipped with the extension board on the screw rod, extension board bottom both sides are fixed with the connecting plate that the frame plate was worn to establish in the slip respectively, be equipped with the bandage between two connecting plate bottoms, the bandage both ends divide the body activity to peg graft respectively in the connecting plate bottom that corresponds, frame plate bottom between two connecting plates is fixed with the montant, the montant: before the permanent magnet coupler is fixed with the output shaft of the main motor, the permanent magnet coupler is hoisted and supported on the input shaft of the speed reducer through a binding belt, so that the permanent magnet coupler is prevented from falling and deforming, the permanent magnet coupler is prevented from being damaged, and the efficiency is improved; and the permanent magnet coupler can be avoided after the use, and the disassembly and the evacuation are finished.
Description
The technical field is as follows:
the utility model relates to an electric power tech field, concretely relates to connecting device of air preheater speed reducer shaft coupling.
Background art:
an air preheater (air preheater for short) of a power plant is an important accessory of a boiler and mainly comprises a main motor, an auxiliary motor, an overrunning clutch, a hydraulic coupler, a speed reducer, a pneumatic motor and the like. Because of the difference of the boiler models, the operation power of the main motor is mainly 45kW, 37kW and 22kW, the rotating speed is usually 1480 r/min, and the reduction box is driven by the main motor and a hydraulic coupler or a permanent magnet coupler to operate the air preheater. The main motor and the speed reducer of the existing air preheater are usually connected by a hydraulic coupler, so that the centering deviation is large, the vibration is large, the frequent fault shutdown of the motor is easily caused, the maintenance cost is very high, a large amount of energy is wasted, the efficiency is low, and the safety and the reliability of the whole system are greatly reduced. Therefore, the power plant gradually replaces the hydraulic coupler with the permanent magnet coupler, the permanent magnet coupler has the characteristics of high efficiency, energy conservation, high reliability, no rigid connection for torque transmission, application in severe environment, great reduction of the vibration of the whole system, reduction of the system maintenance, prolongation of the service life of the system and the like, and the traditional air preheater speed reducer device of the power plant is upgraded and modified, so that the service life of the transmission system of the air preheater can be effectively prolonged, and the failure frequency of the speed reducer of the air preheater is reduced.
The permanent magnet coupling assembly has a plurality of structures, and comprises a permanent magnet coupling main body, an output end account sleeve, an output end flange, an input end account sleeve and an input end flange, wherein before installation, an output shaft of a main motor and an input shaft of a speed reducer need to be coaxially arranged, a proper installation space is reserved, when the permanent magnet coupling assembly is installed, the output end account sleeve is firstly sleeved on the output end flange, then the output end flange is fixed with the input shaft of the speed reducer, one end of the permanent magnet coupling main body is installed on the output end flange, then the input end account sleeve is sleeved on the input end flange, then the input end flange is fixed with the output shaft of the main motor, finally the main motor is moved, so that the other end of the permanent magnet coupling main body is fixed with the input end flange, the whole installation process is complicated, the requirement is high, particularly, before the permanent magnet coupling is fixed with the output shaft, otherwise, the permanent magnet coupler is easy to drop and deform, the permanent magnet coupler is damaged, and time and labor are wasted.
The utility model has the following contents:
an object of the utility model is to provide a connecting device of air preheater speed reducer shaft coupling.
The utility model discloses by following technical scheme implement:
the utility model provides a connecting device of air preheater speed reducer shaft coupling, includes the rectangle bottom plate, the top of two minor faces of bottom plate slides respectively and is equipped with the telescopic link, two be fixed with the frame plate between the telescopic link top, the frame plate top is rotated and is equipped with the screw rod, the spiro union cover is equipped with the extension board on the screw rod, extension board bottom both sides are fixed with respectively and slide and wear to establish the connecting plate of frame plate, two be equipped with the bandage between the connecting plate bottom, the bandage both ends divide the body activity to peg graft respectively and correspond the connecting plate bottom, two between the connecting plate the frame plate bottom is fixed with the montant, the montant bottom is fixed.
Preferably, the bottom of the telescopic rod is rotatably provided with two rollers, and the two short edges of the bottom plate are respectively provided with sliding grooves corresponding to the rollers.
Preferably, the bottom end of the connecting plate is provided with a T-shaped through groove, and two ends of the binding band are respectively and fixedly provided with a T-shaped inserting block movably inserted into the T-shaped through groove.
Preferably, two telescopic links are respectively provided with a locking bolt.
The utility model has the advantages that: before the permanent magnet coupler is fixed with the output shaft of the main motor, the permanent magnet coupler is hoisted and supported on the input shaft of the speed reducer through a binding belt, so that the permanent magnet coupler is prevented from falling and deforming, the permanent magnet coupler is prevented from being damaged, and the efficiency is improved; and after the device is used, the binding belt and the connecting plate can be detached, then the two telescopic rods are taken down from the upper part of the permanent magnet coupler, the bottom plate is pulled out from between the main motor and the speed reducer, the permanent magnet coupler is avoided, and detachment and evacuation are completed.
Description of the drawings:
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is an enlarged partial schematic view of A in FIG. 2;
FIG. 4 is a top view of FIG. 1;
fig. 5 is a schematic view of the use state of fig. 1.
In the figure: the device comprises a bottom plate 1, an expansion link 2, a frame plate 3, a screw rod 4, a support plate 5, a connecting plate 6, a binding belt 7, a vertical rod 8, an arc-shaped top plate 9, an idler wheel 10, a sliding groove 11, a T-shaped through groove 12, a T-shaped insert block 13, a locking bolt 14, a main motor 15, a permanent magnet coupler 16 and a speed reducer 17.
The specific implementation mode is as follows:
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in figures 1 to 5, a connecting device for a speed reducer coupling of an air preheater comprises a rectangular bottom plate 1, telescopic rods 2 are respectively arranged at the tops of two short sides of the bottom plate 1 in a sliding manner, locking bolts 14 are respectively arranged on the two telescopic rods 2, the telescopic rods 2 are limited when the lifting height is determined by loosening or tightening the locking bolts 14, a certain damping can exist in the telescopic rods 2, the lifting is easy to control, two rollers 10 are rotatably arranged at the bottoms of the telescopic rods 2, sliding grooves 11 are respectively arranged on the two short sides of the bottom plate 1 corresponding to the rollers 10, the telescopic rods 2 slide along the sliding grooves 11 through the two rollers 10, so that the two telescopic rods 2 only move at the two short sides of the bottom plate 1, a frame plate 3 is fixed between the tops of the two telescopic rods 2, a screw rod 4 is rotatably arranged at the top of the frame plate 3, a support plate 5 is sleeved on the, rotatory screw rod 4, make extension board 5 go up and down, extension board 5 drives two connecting plates 6 and goes up and down on frame plate 3, because two connecting plates 6 wear to establish on frame plate 3, to extension board 5 restriction, prevent that extension board 5 from rotating along with screw rod 4, be equipped with bandage 7 between two connecting plates 6 bottoms, bandage 7 both ends divide the body activity respectively to peg graft in the connecting plate 6 bottom that corresponds, connecting plate 6 bottom is equipped with T type logical groove 12, bandage 7 both ends are fixed with the T type inserted block 13 that the activity inserted T type led to groove 12 respectively, bandage 7 accessible T type inserted block 13 is taken out from T type logical groove 12, realize bandage 7 and connecting plate 6's dismantlement, frame plate 3 bottom between two connecting plates 6 is fixed with montant 8, montant 8 bottom is fixed with arc roof 9.
The working principle is as follows: after the output end flange is fixed with the input shaft of the speed reducer 17 in the earlier step, the bottom plate 1 is arranged between the main motor 15 and the speed reducer 17, the two telescopic rods 2 are erected on the bottom plate 1, the rollers 10 at the bottoms of the telescopic rods 2 are placed in the sliding grooves 11, the permanent magnet coupler 16 is arranged between the binding bands 7, the screw rods 4 are rotated to enable the support plate 5 to drive the two connecting plates 6 to ascend, meanwhile, the two ends of the binding bands 7 ascend to drive the permanent magnet coupler 16 to be propped against the bottom of the arc-shaped top plate 9, the permanent magnet coupler 16 is fixed and limited, the telescopic rods 2 are pushed to move on the bottom plate 1 to be close to the speed reducer 17, the lifting height of the telescopic rods 2 is adjusted by loosening or tightening the locking bolts 14, the permanent magnet coupler 16 is aligned with the output end flange, then one end of the permanent magnet coupler 16 is installed, the permanent magnet coupler 16 is prevented from dropping and deforming, the permanent magnet coupler 16 is damaged, and the efficiency is improved; and finally, moving the main motor to fix the other end of the main body of the permanent magnet coupler with the input end flange, after the installation is completed, rotating the screw rod 4 to enable the support plate 5 to drive the two connecting plates 6 to descend, simultaneously, enabling the two ends of the binding band 7 to descend to drive the permanent magnet coupler 16 to leave the arc-shaped top plate 9, releasing the limit of the permanent magnet coupler 16, taking the binding band 7 off the permanent magnet coupler 16, then drawing the binding band 7 out of the T-shaped through groove 12 through the T-shaped insertion block 13 to enable the binding band 7 and the connecting plates 6 to be detached, then, taking the two telescopic rods 2 off from the upper part of the permanent magnet coupler 16, finally, drawing the bottom plate 1 out of the.
The whole part material of the device can be made of non-metal material, and the permanent magnet coupler 16 is prevented from being adsorbed.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a connecting device of air preheater speed reducer shaft coupling, a serial communication port, including the rectangle bottom plate, the top of two minor faces of bottom plate slides respectively and is equipped with the telescopic link, two be fixed with the frame plate between the telescopic link top, the frame plate top is rotated and is equipped with the screw rod, the spiro union cover is equipped with the extension board on the screw rod, extension board bottom both sides are fixed with respectively to slide and wear to establish the connecting plate of frame plate, two be equipped with the bandage between the connecting plate bottom, the bandage both ends divide the body activity to peg graft respectively and correspond the connecting plate bottom, two between the connecting plate the frame plate bottom is fixed with the montant, the montant bottom is fixed.
2. The connecting device of claim 1 for the coupling of the air preheater speed reducer, wherein: the bottom of the telescopic rod is rotatably provided with two rollers, and two short edges of the bottom plate are respectively provided with sliding grooves corresponding to the rollers.
3. The connecting device of claim 2 for the coupling of the air preheater speed reducer, wherein: the bottom end of the connecting plate is provided with a T-shaped through groove, and two ends of the binding band are respectively fixed with a T-shaped inserting block movably inserted into the T-shaped through groove.
4. The connecting device of an air preheater speed reducer coupling according to claim 1, 2 or 3, wherein: and two telescopic rods are respectively provided with a locking bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022667982.3U CN213673887U (en) | 2020-11-17 | 2020-11-17 | Connecting device of air preheater speed reducer coupler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022667982.3U CN213673887U (en) | 2020-11-17 | 2020-11-17 | Connecting device of air preheater speed reducer coupler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213673887U true CN213673887U (en) | 2021-07-13 |
Family
ID=76734697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022667982.3U Active CN213673887U (en) | 2020-11-17 | 2020-11-17 | Connecting device of air preheater speed reducer coupler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213673887U (en) |
-
2020
- 2020-11-17 CN CN202022667982.3U patent/CN213673887U/en active Active
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