CN219132212U

CN219132212U - Adjustable supporting seat for shaft

Info

Publication number: CN219132212U
Application number: CN202223395081.9U
Authority: CN
Inventors: 王若蒙
Original assignee: Lide Power Equipment Zhejiang Co ltd
Current assignee: Lide Power Equipment Zhejiang Co ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-06-06
Anticipated expiration: 2032-12-16

Abstract

The utility model discloses a supporting seat for an adjustable shaft, which comprises a supporting seat main body, wherein a first sliding block capable of lifting is arranged on the supporting seat main body, a second sliding block is connected onto the first sliding block in a sliding manner, two first supporting frames are connected onto the second sliding block in a sliding manner, a second supporting frame capable of lifting is arranged on the first supporting frames, rotatable supporting rollers are arranged on the second supporting frames, a first adjusting mechanism is arranged in front of the first sliding block and the supporting seat main body, a second adjusting mechanism is arranged between the second sliding block and the first sliding block, a third adjusting mechanism is arranged between the two first supporting frames, and a fourth adjusting mechanism is arranged between the second supporting frames and the first supporting frames, so that the adjusting efficiency and the adjusting precision of the shaft center of the shaft are improved.

Description

Adjustable supporting seat for shaft

Technical Field

The utility model belongs to the technical field of tooling equipment, and particularly relates to an adjustable support seat for a shaft.

Background

In the production process of the steam turbine, shafts of all sections in the steam turbine are required to be connected together, and the shaft centers of the shafts are required to be aligned when the shafts are connected, so that the production quality of the steam turbine can be guaranteed.

However, because the volume of axle is big, and the weight is heavy, when connecting before, can fix one of them axle, carries out artificial axle center calibration after the other axle is hung through the loop wheel machine, wastes time and energy, inefficiency.

In order to solve the problems, in the prior art, patent with publication number CN213859149U discloses an adjustable balance support, which comprises a support main body, wherein a sliding seat is arranged on the support main body, two relatively sliding moving seats are connected to the sliding seat in a sliding manner, supporting rollers are arranged on the moving seats, an adjusting mechanism is arranged between the two moving seats, the adjusting mechanism is used for supporting shafts through the supporting rollers, the distance between the two moving seats is adjusted through the adjusting mechanism to change the axial center position of the shafts, the adjustment is convenient, the connecting efficiency of the shafts is improved, and the labor force is reduced.

However, after the shaft is placed, the device can only adjust the height of the shaft center of the shaft, but cannot adjust the shaft center transversely, and can only adjust the transverse position of the shaft center by transversely moving the whole position of the support, so that the device has low adjusting efficiency and poor adjusting precision.

Therefore, the adjusting mechanism on the bracket needs to be redesigned to meet the vertical and horizontal adjustment of the shaft, and the adjusting efficiency and the adjusting precision are improved.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an adjustable supporting seat for a shaft, which improves the adjusting efficiency and the adjusting precision of the shaft.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an adjustable support seat for axle, includes the support main part, be provided with the first slider of liftable in the support main part, sliding connection has the second slider on the first slider, sliding connection has two first support frames on the second slider, be provided with the second support frame of liftable on the first support frame, be provided with rotatable backing roller on the second support frame, be provided with first adjustment mechanism before first slider and the support main part, be provided with second adjustment mechanism between second slider and the first slider, be provided with third adjustment mechanism between two first support frames, be provided with fourth adjustment mechanism between second support frame and the first support frame.

Further, the first adjustment mechanism comprises a first adjustment rod, a first screw rod and a first screw nut, the first screw rod is rotationally connected to the support body, the first screw rod is in threaded connection with the first screw nut, the first screw nut is fixed to the first sliding block, the first adjustment rod is connected with the first screw rod, and a first adjustment handle is arranged at one end of the first adjustment rod.

Further, the second adjusting mechanism comprises a second screw rod and a second screw nut, the second screw rod is rotationally connected with the first sliding block, the first screw nut is fixed on the second sliding block, the second screw rod is in threaded connection with the second screw nut, and a second adjusting handle is arranged at one end of the second screw rod.

Further, third adjustment mechanism is including being fixed in the fixed block on the second slider and the first adjusting bolt who rotates with the fixed block to be connected, threaded connection has the regulating block on the first adjusting bolt, be provided with the connecting rod between regulating block and the first support frame, and the both ends of connecting rod are articulated with regulating block and first support frame respectively.

Further, fourth adjustment mechanism includes first wedge, second wedge and second adjusting bolt, second adjusting bolt rotates with first support frame to be connected, first wedge and first support frame sliding connection, the second wedge is fixed in the second support frame, contact through the wedge face between first wedge and the second wedge, first wedge and second adjusting bolt threaded connection, be provided with a plurality of guide arms on the second support frame, guide arm and first support frame sliding connection.

Further, be provided with first fixed knot between first slider and the support main part, first fixed knot constructs including being located the first fixing screw in the support main part, the one end telescopic connection of first fixing screw is in first slider, threaded connection has first fixation nut on the first fixing screw, first fixation nut contradicts in the below of first slider.

Further, be provided with second fixed knot between two first support frames constructs, second fixed knot constructs including second fixing screw, two first support frames respectively in second fixing screw's both ends to with first support frame sliding connection, the equal threaded connection in second fixing screw's both ends has second fixation nut, second fixation nut is inconsistent with first support frame.

Compared with the prior art, the utility model has the beneficial effects that: after the shaft is supported by the two supporting rollers, coarse adjustment on the height of the shaft center of the shaft can be performed through the first adjusting mechanism, the horizontal position of the shaft center of the shaft can be adjusted through the second adjusting mechanism, fine adjustment on the height of the shaft can be performed through the third adjusting mechanism, the shaft can rotate around one supporting roller through the fourth adjusting mechanism, and therefore the adjusting efficiency and the adjusting precision of the shaft center of the shaft are improved.

Drawings

FIG. 1 is a schematic view of a structure of an adjustable shaft support base according to the present utility model;

FIG. 2 is a schematic structural diagram of a first support frame and a second support frame according to the present utility model;

fig. 3 is a schematic structural view of a second slider according to the present utility model.

Reference numerals: 1. a holder body; 2. a first slider; 3. a second slider; 4. a first support frame; 5. a second support frame; 6. supporting rollers; 7. a first adjusting lever; 8. a first screw rod; 9. a first nut; 10. a first adjustment handle; 11. a second screw rod; 12. a second nut; 13. a second adjustment handle; 14. a first wedge block; 15. a second wedge block; 16. a second adjusting bolt; 17. a guide rod; 18. a first fixed screw; 19. a first fixing nut; 20. a second fixed screw; 21. a second fixing nut; 22. and a third adjusting mechanism.

Detailed Description

In the description of the present utility model, it should be noted that, for the azimuth words such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, only for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and should not be construed as limiting the specific protection scope of 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 a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such feature, and in the description of the present utility model, the meaning of "a number", "a number" is two or more, unless otherwise specifically defined.

The utility model is further described with reference to fig. 1 to 3.

The utility model provides an adjustable support seat for axle, includes support main part 1, be provided with liftable first slider 2 on the support main part 1, sliding connection has second slider 3 on the first slider 2, sliding connection has two first support frames 4 on the second slider 3, be provided with liftable second support frame 5 on the first support frame 4, be provided with rotatable backing roll 6 on the second support frame 5, be provided with first adjustment mechanism before first slider 2 and support main part 1, be provided with second adjustment mechanism between second slider 3 and the first slider 2, be provided with third adjustment mechanism 22 between two first support frames 4, be provided with fourth adjustment mechanism between second support frame 5 and the first support frame 4.

As shown in fig. 1, in this embodiment, preferably, the first adjusting mechanism includes a first adjusting rod 7, a first screw rod 8 and a first screw nut 9, the first screw rod 8 is rotatably connected to the support body 1, the first screw rod 8 is in threaded connection with the first screw nut 9, the first screw nut 9 is fixed on the first slider 2, the first adjusting rod 7 is connected with the first screw rod 8, and a first adjusting handle 10 is disposed at one end of the first adjusting rod 7.

As shown in fig. 1, the first adjusting rod 7 is preferably connected with the first screw rod 8 through bevel gear transmission.

As shown in fig. 3, in this embodiment, preferably, the second adjusting mechanism includes a second screw rod 11 and a second nut 12, where the second screw rod 11 is rotationally connected with the first slider 2, the first nut 9 is fixed on the second slider 3, the second screw rod 11 is in threaded connection with the second nut 12, and a second adjusting handle 13 is disposed at one end of the second screw rod 11.

In this embodiment, preferably, the third adjusting mechanism 22 includes a fixed block fixed on the second slider 3 and a first adjusting bolt rotationally connected with the fixed block, the first adjusting bolt is screwed with an adjusting block, a connecting rod is disposed between the adjusting block and the first supporting frame 4, and two ends of the connecting rod are respectively hinged with the adjusting block and the first supporting frame 4.

As shown in fig. 2, in this embodiment, preferably, the fourth adjusting mechanism includes a first wedge block 14, a second wedge block 15 and a second adjusting bolt 16, where the second adjusting bolt 16 is rotationally connected with the first support frame 4, the first wedge block 14 is slidably connected with the first support frame 4, the second wedge block 15 is fixed on the second support frame 5, the first wedge block 14 contacts with the second wedge block 15 through a wedge surface, the first wedge block 14 is in threaded connection with the second adjusting bolt 16, and a plurality of guide rods 17 are disposed on the second support frame 5, and the guide rods 17 are slidably connected with the first support frame 4.

As shown in fig. 1, in this embodiment, preferably, a first fixing structure is disposed between the first slider 2 and the support body 1, where the first fixing structure includes a first fixing screw 18 located on the support body 1, one end of the first fixing screw 18 is telescopically connected to the first slider 2, a first fixing nut 19 is screwed on the first fixing screw 18, and the first fixing nut 19 abuts against the lower portion of the first slider 2.

As shown in fig. 3, in this embodiment, preferably, a second fixing structure is disposed between the two first support frames 4, the second fixing structure includes a second fixing screw 20, two ends of the second fixing screw are respectively connected with the two first support frames 4 in a sliding manner, two ends of the second fixing screw 20 are respectively connected with a second fixing nut 21 in a threaded manner, and the second fixing nut 21 is in contact with the first support frames 4.

As shown in fig. 1 to 3, when the steam turbine is used, the shaft of the steam turbine is placed on two supporting rollers 6, a first adjusting rod 7 is rotated through a first adjusting handle 10 to drive a first screw rod 8 to rotate, a first sliding block 2 is driven to move up and down on a support main body 1 through a first screw 9 in threaded fit with the first screw rod 8, the height position of the shaft is adjusted, a second screw rod 11 is rotated through a second adjusting handle 13, a second sliding block 3 is driven to move transversely on the first sliding block 2 through a second screw 12 in threaded fit with the second screw rod 11, the horizontal position of the shaft is adjusted, coarse adjustment of the position of the shaft is realized, and the shaft can be quickly close to the shaft center of a fixed shaft;

after coarse adjustment, the fixing nut on the first fixing screw 18 is rotated to be clung to the first sliding block 2 so as to provide support for the first sliding block 2 and improve the fixing effect;

after coarse adjustment, the first adjusting screw is rotated to drive the adjusting block to move on the first adjusting screw, then the connecting rod drives the first supporting frame 4 to transversely move on the second sliding block 3, and the distance between the two supporting rollers 6 is changed to enable the shaft on the supporting rollers 6 to be vertically fine-adjusted; the second adjusting screw is rotated to drive the first wedge block 14 to move, and the second wedge block 15 drives the second support frame 5 to move vertically through the cooperation of the wedge faces of the first wedge block 14 and the second wedge block 15, so that when one of the second support frames 5 is independently adjusted, a supported shaft can rotate around the axle center of the supporting roller 6 on the other second support frame 5, the adjusting efficiency is improved, and fine adjustment is also achieved.

The adjusting mechanism improves the adjusting efficiency and the adjusting precision of the axle center of the counter shaft.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides an adjustable support seat for axle, includes support main part, its characterized in that: the lifting support is characterized in that a first sliding block capable of lifting is arranged on the support main body, a second sliding block is connected to the first sliding block in a sliding mode, two first supporting frames are connected to the second sliding block in a sliding mode, a second supporting frame capable of lifting is arranged on the first supporting frames, rotatable supporting rollers are arranged on the second supporting frames, a first adjusting mechanism is arranged between the first sliding block and the support main body, a second adjusting mechanism is arranged between the second sliding block and the first sliding block, a third adjusting mechanism is arranged between the two first supporting frames, and a fourth adjusting mechanism is arranged between the second supporting frames and the first supporting frames.

2. The adjustable support for a shaft of claim 1, wherein: the first adjusting mechanism comprises a first adjusting rod, a first screw rod and a first screw nut, the first screw rod is rotationally connected to the support body, the first screw rod is in threaded connection with the first screw nut, the first screw nut is fixed to the first sliding block, the first adjusting rod is connected with the first screw rod, and a first adjusting handle is arranged at one end of the first adjusting rod.

3. The adjustable support for a shaft according to claim 2, wherein: the second adjusting mechanism comprises a second screw rod and a second screw nut, the second screw rod is rotationally connected with the first sliding block, the first screw nut is fixed on the second sliding block, the second screw rod is in threaded connection with the second screw nut, and a second adjusting handle is arranged at one end of the second screw rod.

4. The adjustable support for a shaft of claim 3, wherein: the third adjusting mechanism comprises a fixed block fixed on the second sliding block and a first adjusting bolt rotationally connected with the fixed block, the first adjusting bolt is connected with an adjusting block in a threaded mode, a connecting rod is arranged between the adjusting block and the first supporting frame, and two ends of the connecting rod are hinged to the adjusting block and the first supporting frame respectively.

5. The adjustable axle support of claim 4, wherein: the fourth adjustment mechanism comprises a first wedge block, a second wedge block and a second adjustment bolt, the second adjustment bolt is rotationally connected with the first support frame, the first wedge block is in sliding connection with the first support frame, the second wedge block is fixed on the second support frame, the first wedge block is contacted with the second wedge block through a wedge surface, the first wedge block is in threaded connection with the second adjustment bolt, a plurality of guide rods are arranged on the second support frame, and the guide rods are in sliding connection with the first support frame.

6. The adjustable axle support of claim 5, wherein: the novel sliding block is characterized in that a first fixing structure is arranged between the first sliding block and the support main body, the first fixing structure comprises a first fixing screw rod located on the support main body, one end of the first fixing screw rod is connected with the first sliding block in a telescopic mode, a first fixing nut is connected to the first fixing screw rod in a threaded mode, and the first fixing nut is abutted to the lower portion of the first sliding block.

7. The adjustable axle support of claim 6, wherein: the two first support frames are connected with each other in a sliding mode, a second fixing structure is arranged between the two first support frames and comprises a second fixing screw, two ends of the second fixing screw are respectively connected with the two first support frames in a sliding mode, two ends of the second fixing screw are connected with second fixing nuts in a threaded mode, and the second fixing nuts are in contact with the first support frames in a abutting mode.