CN218093152U

CN218093152U - Turbine shaft with butt joint structure

Info

Publication number: CN218093152U
Application number: CN202121838474.5U
Authority: CN
Inventors: 林海
Original assignee: Wuxi Yuexin Power Technology Co ltd
Current assignee: Wuxi Yuexin Power Technology Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2022-12-20
Anticipated expiration: 2031-08-09

Abstract

The utility model belongs to the turbine shaft field, especially, a turbine shaft with butt joint structure adopts the bolt to dock fixedly with the bladed disk butt joint usually to current turbine shaft, and the installation is troublesome, and the bolt uses the easy smooth silk scheduling problem that takes place for a long time, is not convenient for take off the problem of overhauing to the turbine shaft, and the scheme as follows now is proposed, and it includes symmetrical sliding connection has the sliding plate on the right side inner wall of butt joint case, the sliding plate is two, turbine shaft and bladed disk, the right-hand member fixedly connected with butt joint case of turbine shaft, butt joint incasement is equipped with power component, and the last symmetry of power component is equipped with the drive post, the left side fixedly connected with connecting plate of bladed disk, the drive post is two, the utility model discloses rational in infrastructure, convenient operation can make two fixture blocks clamp with two draw-in grooves respectively through power component fast, accomplishes the butt joint of turbine shaft and bladed disk, convenient operation, convenient to use.

Description

Turbine shaft with butt joint structure

Technical Field

The utility model relates to a turbine shaft technical field especially relates to a turbine shaft with butt joint structure.

Background

The turbine shaft is a rotating shaft for driving a turbine, and the turbine shaft needs to be in butt joint with a blade disc when in use.

The existing butt joint of a turbine shaft and a blade disc is usually carried out butt joint and fixing through bolts, installation is troublesome, the bolts are easy to slip after being used for a long time, and the turbine shaft is inconvenient to take down for maintenance, so the turbine shaft with the butt joint structure is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having existing turbine shaft and bladed disk butt joint among the prior art and adopting the bolt to dock fixedly usually, the installation is troublesome, and the bolt uses the easy smooth silk scheduling problem that takes place for a long time, is not convenient for take off the shortcoming of carrying out the maintenance to the turbine shaft, and the turbine shaft with butt joint structure who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a turbine shaft with butt joint structure, includes turbine shaft and bladed disk, the right-hand member fixedly connected with butt joint case of turbine shaft, the butt joint incasement is equipped with power component, and the last symmetry of power component is equipped with the drive post, the left side fixedly connected with connecting plate of bladed disk, the drive post is two, and the equal fixedly connected with wedge of right-hand member of two drive posts, symmetrical sliding connection has the sliding plate on the right side inner wall of butt joint case, the sliding plate is two, and the equal fixedly connected with transmission post in one side that two sliding plates kept away from each other, the one end that two transmission posts kept away from each other respectively with the inclined plane sliding connection of two wedge, the equal fixedly connected with fixture block in one side that two sliding plates are close to each other, the draw-in groove has all been seted up to the top and the bottom of connecting plate, fixture block and draw-in groove looks adaptation can make two fixture blocks clamp with two draw-in grooves respectively through power component fast, accomplish the butt joint of turbine shaft and bladed disk, convenient operation, convenient to use.

Preferably, the power assembly comprises a threaded shaft and a threaded plate, a fixed plate is fixedly connected in the butt joint box, the right end of the threaded shaft is rotatably connected with the left side of the fixed plate, the left end of the threaded shaft extends to the outside of the left side of the butt joint box and is fixedly connected with a handle, the threaded plate is in threaded connection with the threaded shaft, the left ends of the two driving columns are fixedly connected with the right side of the threaded plate, one sides of the two sliding plates, which are far away from each other, are fixedly connected with springs, one ends of the two springs, which are far away from each other, are fixedly connected with the inner wall of the top and the inner wall of the bottom of the butt joint box respectively, the threaded plate can be moved rightwards by rotating the threaded shaft, and then the two wedge blocks can be moved rightwards by the two driving columns, so that the two driving columns drive the two sliding plates to be close to each other, the two clamping blocks can be clamped with the two clamping grooves respectively, the butt joint of the turbine shaft and the vane plate is completed, and the operation is convenient.

Preferably, all sliding connection has the backup pad on the top inner wall of butt joint case and the bottom inner wall, and one side that two backup pads are close to each other is respectively with one side fixed connection that two wedges kept away from each other, and the backup pad can support the wedge, and can make the removal that the wedge can stabilize.

Preferably, fixed cover is equipped with the carousel on the screw shaft, fixedly connected with riser on the top inner wall of butt joint case, the left side of riser is rotated and is connected with the lead screw, the left end of lead screw extends to the left side outside and the fixedly connected with handle of butt joint case, the symmetry is equipped with two sections opposite screw threads on the lead screw, equal threaded connection has the L shaped plate on two sections opposite screw threads, the spacing dish of the equal fixedly connected with in one side that two L shaped plates are close to each other, one side that two spacing dishes are close to each other all is equipped with the friction disc, through rotating the lead screw, can make two L shaped plates drive two spacing dishes and be close to each other to can make two spacing dishes closely laminate with the top both sides of carousel, because be equipped with the friction disc on the spacing dish, can increase frictional force, and then can carry on spacingly to carousel and screw shaft, improve the steadiness that turbine shaft and leaf dish docked.

Preferably, the top inner wall and the bottom inner wall of the butt joint box are provided with sliding grooves, the top and the bottom of the thread plate are respectively connected with the inner wall of one side, far away from the two sliding grooves, of the two sliding grooves in a sliding mode, and the sliding grooves can enable the thread plate to move more smoothly.

Preferably, symmetrical sliding connection has the movable plate on the top inner wall of butt joint case, the movable plate is two, the bottom of two movable plates respectively with the top fixed connection of two L shaped plates, the movable plate can carry on spacingly to the L shaped plate for the L shaped plate can steady movement, can not take place the offset.

Has the beneficial effects that: the threaded plate can move rightwards by rotating the threaded shaft, and then the two wedge-shaped blocks can move rightwards through the two driving columns, so that the two driving columns can drive the two sliding plates to be close to each other, the two clamping blocks can be clamped with the two clamping grooves respectively, the butt joint of the turbine shaft and the blade disc is completed, and the operation is convenient.

Through rotating the lead screw, can make two L shaped plates drive two spacing dishes and be close to each other to can make two spacing dishes closely laminate with the top both sides of carousel, owing to be equipped with the friction disc on the spacing dish, can increase frictional force, and then can carry on spacingly to carousel and threaded shaft, improve the steadiness that turbine shaft and leaf dish docked.

The utility model discloses rational in infrastructure, the operation is convenient, can make two fixture blocks clamp with two draw-in grooves respectively mutually fast through power component, accomplishes the butt joint of turbine shaft and bladed disk, convenient operation, convenient to use.

Drawings

Fig. 1 is a schematic front view of a turbine shaft with a butt joint structure according to the present invention;

fig. 2 is a schematic cross-sectional view of a docking box of a turbine shaft with a docking structure according to the present invention;

fig. 3 is a schematic view of a partial three-dimensional structure of a turbine shaft with a butt joint structure according to the present invention;

fig. 4 is an enlarged schematic view of a portion a of a turbine shaft with a butt-joint structure according to the present invention.

In the figure: the device comprises a turbine shaft 1, a blade disc 2, a butt joint box 3, a connecting plate 4, a driving column 5, a wedge-shaped block 6, a sliding plate 7, a transmission column 8, a clamping block 9, a spring 10, a threaded shaft 11, a threaded plate 12, a sliding groove 13, a supporting plate 14, a screw rod 15, a 16L-shaped plate, a limiting disc 17, a rotating disc 18 and a moving plate 19.

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. 1-4, a turbine shaft with a butt joint structure comprises a turbine shaft 1 and a blade disc 2, a butt joint box 3 is fixedly connected to the right end of the turbine shaft 1, a power assembly is arranged in the butt joint box 3, drive columns 5 are symmetrically arranged on the power assembly, a connecting plate 4 is fixedly connected to the left side of the blade disc 2, two drive columns 5 are provided, wedge blocks 6 are fixedly connected to the right ends of the two drive columns 5, sliding plates 7 are symmetrically and slidably connected to the inner wall of the right side of the butt joint box 3, two sliding plates 7 are provided, transmission columns 8 are fixedly connected to the sides, far away from each other, of the two sliding plates 7, one ends, far away from each other, of the two transmission columns 8 are respectively slidably connected to the inclined surfaces of the two wedge blocks 6, the two transmission columns 8 respectively slide on the two wedge blocks 6, when the wedge blocks 6 transversely move, the transmission columns 8 can longitudinally move, fixture blocks 9 are fixedly connected to the sides, close to each other, of the two sliding plates 7, the top and the bottom of the connecting plate 4 are both provided with a clamping groove, the clamping block 9 is matched with the clamping groove, the power component comprises a threaded shaft 11 and a threaded plate 12, a fixed plate is fixedly connected in the butt joint box 3, the right end of the threaded shaft 11 is rotatably connected with the left side of the fixed plate, the fixed plate can support the threaded shaft 11 and can enable the threaded shaft 11 to stably rotate, the left end of the threaded shaft 11 extends to the outside of the left side of the butt joint box 3 and is fixedly connected with a handle, the threaded plate 12 is in threaded connection with the threaded shaft 11, the threaded plate 12 can transversely move when the threaded shaft 11 rotates, the left ends of the two driving columns 5 are both fixedly connected with the right side of the threaded plate 12, one sides of the two sliding plates 7, which are far away from each other, are both fixedly connected with springs 10, and one ends of the two springs 10, which are far away from each other, are respectively fixedly connected with the top inner wall and the bottom inner wall of the butt joint box 3, spring 10 can provide the power that resets for sliding plate 7, can make thread plate 12 remove right through rotating threaded shaft 11, and then can make two wedge 6 remove right through two drive posts 5 to can make two transmission posts 8 drive two sliding plates 7 and be close to each other, can make two fixture blocks 9 clamp with two draw-in grooves respectively like this, accomplish the butt joint of turbine shaft 1 and bladed disk 2, convenient operation, the utility model discloses rational in infrastructure, the operation is convenient, can make two fixture blocks 9 clamp with two draw-in grooves respectively fast through power component, accomplishes the butt joint of turbine shaft 1 and bladed disk 2, convenient operation, convenient to use.

The utility model discloses in, equal sliding connection has backup pad 14 on the top inner wall of butt joint case 3 and the bottom inner wall, and one side that two backup pads 14 are close to each other is respectively with one side fixed connection that two wedges 6 kept away from each other, and backup pad 14 can support wedge 6, and can make the removal that wedge 6 can stabilize.

The utility model discloses in, all seted up spout 13 on the top inner wall of butt joint case 3 and the bottom inner wall, one side inner wall sliding connection that the top and the bottom of threading board 12 kept away from each other with two spout 13 respectively, spout 13 can make threading board 12 remove more smoothly.

The utility model discloses in, fixed cover is equipped with carousel 18 on the screw shaft 11, fixedly connected with riser on the top inner wall of butt joint case 3, the left side of riser is rotated and is connected with lead screw 15, lead screw 15's left end extends to the left side outside and the fixedly connected with handle of butt joint case 3, the symmetry is equipped with two sections opposite screw threads on the lead screw 15, equal threaded connection has L shaped plate 16 on two sections opposite screw threads, because the symmetry is equipped with two sections opposite screw threads on the lead screw 15, two L shaped plate 16 respectively with two sections opposite screw thread threaded connection, when lead screw 15 rotates like this, can make two L shaped plate 16 be close to each other or keep away from each other, two equal fixedly connected with spacing dish 17 in one side that L shaped plate 16 is close to each other, two spacing dish 17 one side that are close to each other all are equipped with the friction disc, the friction disc can increase the frictional force, through rotating lead screw 15, can make two L shaped plate 16 drive two spacing dish 17 and closely laminate with the top both sides of carousel 18, thereby can make two spacing dish 17 and the steady dish 17 and the top both sides of carousel 18 closely laminate, because be equipped with the friction disc 17, and can increase the frictional force, and then can carry out the fixed movable plate of carousel 18 and the turbine shaft 11, improved 1 and the fixed blade case 2, the butt joint inner wall of the butt joint case 2, the butt joint of L shaped plate 19, the butt joint case inner wall can not take place the movable plate 19, the movable plate is connected with the movable plate 19 movable plate that can take place the movable plate, the movable plate that can not take place the movable plate, the movable plate that the top that the movable plate that can be smooth movable plate that the top that the movable plate 19 that can take place.

The working principle is as follows: when the turbine shaft 1 and the leaf disc 2 need to be butted, firstly, the connecting plate 4 on the leaf disc 2 extends into the butt joint box 3, when the left side of the leaf disc 2 is attached to the right side of the butt joint box 3, the clamping grooves on the connecting plate 4 correspond to the clamping blocks 8, then the threaded shaft 11 is rotated in the forward direction, the threaded shaft 11 can enable the threaded plate 12 to move rightwards, the threaded plate 12 can enable the two wedge-shaped blocks 6 to move rightwards through the two driving columns 5, and further enable the two driving columns 8 to drive the two sliding plates 7 to approach each other, so that the two clamping blocks 9 can approach each other and respectively clamp the two clamping grooves, then the threaded shaft 11 is stopped rotating, at this time, the screw rod 15 is rotated, the two L-shaped plates 16 can enable the two limiting discs 17 to approach each other, and further enable the two limiting discs 17 to be tightly attached to two sides of the top of the rotating disc 18, friction plates are arranged on the limiting discs 17, friction force can be increased, further the rotating disc 18 and the threaded shaft 11 can be limited, and the stability of the butt joint of the turbine shaft 1 and the leaf disc 2 is improved, and the dismounting is convenient.

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

1. The utility model provides a turbine shaft with butt joint structure, includes turbine shaft (1) and leaf dish (2), its characterized in that, the right-hand member fixedly connected with butt joint case (3) of turbine shaft (1), be equipped with power component in butt joint case (3), the last symmetry of power component is equipped with drive post (5), left side fixedly connected with connecting plate (4) of leaf dish (2), drive post (5) are two, the equal fixedly connected with wedge (6) of the right-hand member of two drive posts (5), symmetrical sliding connection has sliding plate (7) on the right side inner wall of butt joint case (3), sliding plate (7) are two, and the equal fixedly connected with transmission post (8) in one side that two sliding plates (7) kept away from each other, the one end that two transmission post (8) kept away from each other respectively with the inclined plane sliding connection of two wedge (6), the equal fixedly connected with fixture block (9) in one side that two sliding plates (7) are close to each other, the draw-in groove has all been seted up to the top and the bottom of connecting plate (4), fixture block (9) and draw-in groove looks adaptation.

2. The turbine shaft with the butt joint structure according to claim 1, wherein the power assembly comprises a threaded shaft (11) and a threaded plate (12), a fixed plate is fixedly connected in the butt joint box (3), the right end of the threaded shaft (11) is rotatably connected with the left side of the fixed plate, the left end of the threaded shaft (11) extends to the outside of the left side of the butt joint box (3) and is fixedly connected with a handle, the threaded plate (12) is in threaded connection with the threaded shaft (11), the left ends of the two driving columns (5) are fixedly connected with the right side of the threaded plate (12), one sides of the two sliding plates (7) far away from each other are fixedly connected with springs (10), and one ends of the two springs (10) far away from each other are fixedly connected with the top inner wall and the bottom inner wall of the butt joint box (3) respectively.

3. The turbine shaft with the butt joint structure as claimed in claim 1, wherein the butt joint box (3) is slidably connected with support plates (14) on the top inner wall and the bottom inner wall, and one sides of the two support plates (14) close to each other are fixedly connected with one sides of the two wedge blocks (6) far away from each other respectively.

4. The turbine shaft with the butt joint structure as claimed in claim 2, wherein a rotary plate (18) is fixedly sleeved on the threaded shaft (11), a vertical plate is fixedly connected to the inner wall of the top of the butt joint box (3), a lead screw (15) is rotatably connected to the left side of the vertical plate, the left end of the lead screw (15) extends to the outside of the left side of the butt joint box (3) and is fixedly connected with a handle, two opposite threads are symmetrically arranged on the lead screw (15), an L-shaped plate (16) is connected to each of the two opposite threads in a threaded manner, a limiting plate (17) is fixedly connected to one side of the two L-shaped plates (16) close to each other, and a friction plate is arranged on one side of the two limiting plates (17) close to each other.

5. The turbine shaft with the butt joint structure according to claim 2, wherein the butt joint box (3) has sliding grooves (13) formed on both the top inner wall and the bottom inner wall, and the top and the bottom of the threaded plate (12) are slidably connected to the inner walls of the two sliding grooves (13) on the sides away from each other, respectively.

6. The turbine shaft with the butt joint structure as claimed in claim 4, wherein the butt joint box (3) is symmetrically and slidably connected with two moving plates (19) on the top inner wall, and the bottoms of the two moving plates (19) are fixedly connected with the tops of the two L-shaped plates (16), respectively.