Turbine controller for steam turbine
Technical Field
The utility model relates to the technical field of turbine controllers, in particular to a turbine controller for a steam turbine.
Background
The turbine is a rotary power device which uses steam as working medium to convert heat energy into mechanical energy, and the turbine is mainly accelerated by high-temperature and high-pressure steam through a nozzle and then impacts a rotor provided with blade rows, so that the rotor rotates and applies work to the outside. The turbine is widely applied to modern thermal power plants, metallurgical industry, chemical industry and ship power plants, and the turbine controller is a device specially used for adjusting and controlling the operation of the turbine:
The casing of the turbine controller in the prior art is usually installed by adopting the fixing screws, and when the controller needs to be overhauled, a plurality of fixing screws are required to be disassembled, so that the overhauling efficiency is influenced, and meanwhile, workers need to carry tools with them, so that the turbine controller is more troublesome.
Disclosure of utility model
The utility model aims to solve the problem that the controller is troublesome to assemble and disassemble, and provides a turbine controller for a steam turbine.
In order to solve the technical problems, the turbine controller for the steam turbine comprises an upper shell and a lower shell, wherein supporting holes are formed in the diagonal positions of the top end of the lower shell, a stabilizer bar is rotatably clamped in the supporting holes, stabilizing holes are formed in the diagonal positions of the top end of the upper shell, through holes are formed in the tops of the stabilizer bars, symmetrically distributed clamping blocks are movably clamped in the through holes, the two clamping blocks are fixedly connected through a first spring, a lantern ring is movably sleeved on the outer side of the stabilizer bar, grooves are formed in the tops of the supporting holes, the lantern ring is matched with the grooves, and symmetrically distributed fixing holes are formed in two sides, close to the stabilizing holes, of the upper shell.
Preferably, the clamping grooves which are symmetrically distributed are formed in the top end of the lower shell, clamping plates which are symmetrically distributed are fixedly arranged at the bottom end of the upper shell, and the clamping plates are movably clamped in the clamping grooves.
Compared with the prior art, the utility model has the beneficial effects that:
1. The application can rapidly mount and dismount the upper shell and the lower shell, thereby accelerating the maintenance progress of staff and facilitating the use;
2. According to the application, the clamping groove and the clamping plate are arranged, so that the connection stability of the upper shell and the lower shell is improved, the upper shell and the lower shell are firmer, and the service life is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic structural view of the stabilizer bar according to the present utility model.
Fig. 3 is a schematic structural diagram of a latch according to the present utility model.
Fig. 4 is an enlarged view of the utility model at a in fig. 2.
Fig. 5 is an enlarged view of the present utility model at B in fig. 2.
In the figure, 1, an upper shell, 11, a lower shell, 111, a supporting hole, 12, a stabilizer bar, 13, a stabilizer hole, 14, a through hole, 15, a clamping block, 16, a first spring, 17, a lantern ring, 18, a groove, 19, a fixed hole, 2, a clamping groove, 21, a clamping plate, 3, a movable bar, 31, a push plate, 32, a fixed ring, a second spring, 34, a connecting frame, 4, a heat dissipation groove, 5, a bracket, 51, a push rod, 6, a third spring, 7, a limit groove, 71 and a limit block.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The embodiment of the utility model provides a turbine controller for a steam turbine, as shown in figures 1-5, which comprises an upper shell 1 and a lower shell 11, wherein supporting holes 111 are formed in opposite angles of the top end of the lower shell 11, a stabilizer bar 12 is rotatably clamped in the supporting holes 111, stabilizing holes 13 are formed in opposite angles of the top end of the upper shell 1, through holes 14 are formed in the tops of the stabilizer bars 12, symmetrically distributed clamping blocks 15 are movably clamped in the through holes 14, the two clamping blocks 15 are fixedly connected through a first spring 16, a lantern ring 17 is movably sleeved on the outer side of the stabilizer bar 12, grooves 18 are formed in the tops of the supporting holes 111, the lantern ring 17 and the grooves 18 are matched for use, and symmetrically distributed fixing holes 19 are formed in two sides, close to the stabilizing holes 13, of the upper shell 1.
The top of lower casing 11 has offered draw-in groove 2 of symmetric distribution, the bottom fixed mounting of upper casing 1 has cardboard 21 of symmetric distribution, cardboard 21 activity card is established in draw-in groove 2.
The movable rods 3 which are symmetrically distributed are movably clamped on two sides of the lower shell 11, which are close to the clamping groove 2, the push plate 31 is fixedly arranged on one side of the movable rods 3, which is close to the clamping groove 2, the top of the push plate 31 is in a trapezoid state, so that the push plate 31 is better pushed to move in a direction away from the clamping groove 2 when the clamping plate 21 and the push plate 31 are in contact, the push plate 31 is positioned in the clamping groove 2, a fixed ring 32 is fixedly sleeved on the outer side of the movable rods 3, a second spring 33 is fixedly arranged on one side, which is away from the push plate 31, of the fixed ring 32, a connecting frame 34 which is symmetrically distributed is fixedly arranged on two sides, which are close to the movable rods 3, of the lower shell 11, the movable rods 3 penetrate through the connecting frame 34, the other side of the second spring 33 is fixedly connected with the connecting frame 34, and when the clamping plate 21 enters into the clamping groove 2 and descends, the clamping plate 21 pushes the push plate 31 to move in a direction away from the clamping groove 2, so that the movable rods 3 and the fixed ring 32 are driven to move, and simultaneously the fixed ring 32 extrudes the second spring 33, and when the clamping plate 21 is completely clamped into the clamping groove 2, the clamping plate 21 is released, and the second spring 33 is continuously moved in the direction of the clamping plate 31, and the clamping plate 31 is continuously moved in the direction.
Evenly distributed's heat dissipation groove 4 has all been seted up to the top both sides of last casing 1, through setting up heat dissipation groove 4, reduces the inside temperature of controller, improves life.
The upper shell 1 is fixedly provided with the brackets 5 on two sides close to the fixing holes 19, the middle part of each bracket 5 is movably penetrated with the push rod 51, the push rod 51 can push the clamping blocks 15 in the fixing holes 19 into the through holes 14 again by pressing the push rod 51 towards the fixing holes 19, the upper shell 1 and the lower shell 11 are convenient to detach, the push rod 51 and the brackets 5 are fixedly connected through the third springs 6, and the push rod 51 is convenient to reset by arranging the third springs 6.
Limiting grooves 7 are formed in the top end and the bottom end of the through hole 14, limiting blocks 71 are fixedly mounted on the top end and the bottom end of the two clamping blocks 15, the limiting blocks 71 are movably clamped in the limiting grooves 7, and the clamping blocks 15 are prevented from falling from the through hole 14 by the aid of the limiting grooves 7 and the limiting blocks 71.
The upper shell 1 is placed above the lower shell 11 in actual use, so that the stabilizer bar 12 enters the stabilizing hole 13, the upper shell 1 pushes the lantern ring 17 to descend until the lantern ring 17 enters the groove 18, the clamping blocks 15 do not limit the lantern ring 17, the compressed first springs 16 drive the two clamping blocks 15 to move back until the two clamping blocks are attached to the inner wall of the stabilizing hole 13, then the clamping blocks 15 are driven to rotate through the rotation of the stabilizer bar 12, when the clamping blocks 15 rotate to a certain angle and the fixing hole 19 reach the same horizontal position, the compressed first springs 16 drive the clamping blocks 15 to enter the fixing hole 19, the upper shell 1 and the lower shell 11 are mounted, the clamping blocks 15 are pressed to reenter the through holes 14, the upper shell 1 and the lower shell 11 are dismounted, the connecting stability of the upper shell 1 and the lower shell 11 is improved, the connecting stability of the upper shell 1 and the lower shell 11 is firmer, and the service life is prolonged through the clamping blocks 21.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.