CN218592250U

CN218592250U - Clamping seat for preventing water turbine runner shaft system from deviating and adjusting device thereof

Info

Publication number: CN218592250U
Application number: CN202223106187.2U
Authority: CN
Inventors: 马毅森; 翁春波
Original assignee: Huadian Ningde Power Development Co ltd
Current assignee: Huadian Ningde Power Development Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-03-10
Anticipated expiration: 2032-11-23

Abstract

The utility model relates to a hydraulic generator cassette field especially prevents cassette and adjusting device of hydraulic turbine runner shafting skew. The screw-thread lifting device comprises a fixed support, a lifting device and a lifting device, wherein the fixed support comprises a fixed column and screw-thread jacks embedded in the fixed column, the front side and the rear side of the fixed column are respectively provided with one screw, the screw is arranged on the screw and provided with a nut, and one end of the screw is connected with a universal head; the clamping bracket comprises a clamping arm, a fixed arm connected to the inner side of the clamping arm and a stop block arranged on the inner side of the fixed arm; the front end of the clamping arm is provided with a cavity, a clamping assembly is arranged in the cavity, and the clamping bracket is connected to two sides of the fixed bracket; and the supporting bracket comprises a supporting seat, and the supporting seat is movably connected with the fixed bracket through a thread jack. Carry out the centre gripping spacing to thrust bearing seat through the centre gripping support, the support holder bears the powerful radial force, effectively solves the problem among the prior art.

Description

Clamping seat for preventing water turbine runner shaft system from deviating and adjusting device thereof

Technical Field

The utility model relates to a hydraulic generator cassette field especially prevents cassette and adjusting device of hydraulic turbine runner shafting skew.

Background

In the process of mounting the hydraulic turbine unit, the quality of an axis, the shafting concentricity of the hydraulic turbine unit and the safety stability and reliability after the unit is directly influenced in operation are directly related, the safety stability and reliability are always regarded as final acceptance indexes by the industry, when the main shaft throw is measured and the unit axis is adjusted, the thrust disc bears the whole weight of the unit, the thrust disc is required to be limited and fixed by the clamping seat, the existing clamping seat is often loosened due to the fact that strong radial force cannot be borne, in addition, the positioning is difficult when the center of a rotating shaft is adjusted, the radial adjustment is only carried out by an independent outer hexagonal screw, and due to the fact that the two end faces of the outer hexagonal screw are uneven, the screw displacement and the inclination are easily caused due to uneven stress during the adjustment of the radial position. In addition, the current inconvenient regulation chucking of cassette, certain displacement can take place for the hydraulic turbine runner spindle rotation in-process to unable accurate effectual realization hydraulic generator's shafting adjustment.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.

In view of the current fixed cassette that exists among the prior art often because of not bearing powerful radial force and the pine takes off, and when adjustment pivot center, hardly fix a position, and radial adjustment only relies on independent outer hexagonal screw to remove, because outer hexagonal screw both ends face unevenness easily produces the inhomogeneous problem that produces screw rod displacement, slope of atress when causing radial position adjustment, has proposed the utility model discloses its one scheme.

In order to solve the technical problem, the utility model provides a following technical scheme: the clamping seat comprises a fixing support, a clamping head and a clamping head, wherein the fixing support comprises a fixing column and screw jacks embedded in the fixing column, the front side and the rear side of the fixing column are respectively provided with one screw jack, a screw rod is arranged on each screw jack, the outer wall of each screw rod is provided with a nut, and one end of each screw rod is connected with a universal head; the clamping bracket comprises a clamping arm, a fixed arm connected to the inner side of the clamping arm and a stop block arranged on the inner side of the fixed arm; the front end of the clamping arm is provided with a cavity, a clamping assembly is arranged in the cavity, and the clamping seat is connected to two sides of the fixed support; and the supporting bracket comprises a supporting seat, and the supporting seat is movably connected with the fixed bracket through a thread jack.

As a prevent the preferred scheme of the cassette of hydraulic turbine runner shafting skew, wherein: the clamping assembly comprises a limiting seat arranged in the cavity, a rotating slide block arranged in the limiting seat, and a clamping slide block arranged in the rotating slide block.

As a prevent the preferred scheme of the cassette of hydraulic turbine runner shafting skew, wherein: the limiting seat is internally provided with a first sliding groove, the rotating slide block is internally provided with a second sliding groove, the outer side of the rotating slide block is further provided with a first slide block, and the clamping slide block is externally provided with a second slide block.

As a prevent the preferred scheme of the cassette of hydraulic turbine runner shafting skew, wherein: a sliding base is connected below the limiting seat, a third sliding groove is formed in the sliding base, and a guide sliding rail is arranged in the cavity.

As a prevent the preferred scheme of the cassette of hydraulic turbine runner shafting skew, wherein: the rotating slide block and the clamping slide block are both in a semi-circular arc shape, and one side of the clamping slide block is in a sawtooth shape.

As a prevent the preferred scheme of the cassette of hydraulic turbine runner shafting skew, wherein: and a support rib is arranged below the support seat, and a base bolt is arranged beside the support rib.

As a prevent the preferred scheme of the cassette of hydraulic turbine runner shafting skew, wherein: the outside of the clamping arm is connected with a connecting piece, the stop dog is connected with the fixed arm and the clamping arm through the connecting piece, and the top ends of the supporting bracket and the fixed bracket are provided with hanging rings.

As a prevent the preferred scheme of the cassette of hydraulic turbine runner shafting skew, wherein: the lower end of the fixing column is connected with a second connecting piece, and the connecting piece and the second connecting piece are bolts.

The utility model discloses in prevent the beneficial effect of the cassette of hydraulic turbine runner shafting skew: the fixed bolster with go up the frame joint, it is spacing to carry out the centre gripping to thrust bearing frame through the centre gripping support, through the loose flexible removal of screw jack on the adjustment fixed bolster, the power is little, easy operation, convenient thick push away, the smart unit center that pushes away, support detachable construction, easy to assemble and adjustment are used for bearing the radial force of reinforce, make the cassette more firm.

In view of there being the inconvenient chucking of adjusting of current cassette among the prior art, certain displacement can take place for the hydraulic turbine runner shaft rotation in-process to the problem of unable accurate effectual realization hydraulic generator's shafting adjustment has been proposed the utility model discloses another scheme.

In order to solve the technical problem, the utility model provides a following technical scheme: the adjusting device comprises a clamping seat for preventing the water turbine runner shafting from deviating, a rotary table, a handle arranged at the edge of the rotary table, a screw rod connected to the center of the rotary table, a bearing arranged at one end of the screw rod, and a gear arranged outside the bearing.

As the utility model discloses an adjusting device preferred scheme, wherein: be provided with the connection external member on the carousel, connect the inside gag lever post that is equipped with of external member, gag lever post sliding connection in the handle.

The utility model discloses well adjusting device's beneficial effect: through handle on the rotatory carousel, the clearance of convenient accurate regulation centre gripping subassembly and thrust bearing seat, after chucking slider and rotatory slider in the centre gripping subassembly and thrust bearing seat completely blocked, gag lever post and gear engagement in the pulling handle lock the handle position, avoid hydraulic turbine runner to rotate the in-process and take place the displacement, effectively solve the problem of the existence among the prior art.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor. Wherein:

fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic structural view of the clamping assembly of the present invention.

Fig. 3 is an exploded schematic view of the clamping assembly of the present invention.

Fig. 4 is a schematic structural view of the clamping arm of the present invention.

Fig. 5 is a schematic structural diagram of the adjusting device of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the specific details set forth herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, the references herein to "one embodiment" or "an embodiment" refer to a particular feature, structure, or characteristic that may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1, for the utility model discloses a first embodiment, this embodiment provides the cassette that prevents the skew of hydraulic turbine runner shafting, and it is spacing to carry out the centre gripping to the thrust bearing frame through centre gripping support 200, and fixed bolster 100 and support holder 300 mutually support and share the powerful radial force of hydraulic turbine runner, consolidate the support.

Specifically, the fixing support 100 comprises a fixing column 101 and a screw jack 102 embedded in the fixing column 101, the screw jacks 102 are arranged on the front side and the rear side of the fixing column 101, a screw 102a is arranged on the screw jack 102, a nut 102b is arranged on the screw 102a, and one end of the screw 102a is connected with a universal head 102c; the clamping bracket 200 comprises a clamping arm 201, a fixed arm 202 connected to the inner side of the clamping arm 201, and a stop block 203 arranged on the inner side of the fixed arm 202; the front end of the clamping arm 201 is provided with a cavity 201a, a clamping assembly 204 is arranged in the cavity 201a, and the clamping bracket 200 is connected to two sides of the fixed bracket 100; and the supporting bracket 300 comprises a supporting seat 301, and the supporting seat 301 is movably connected with the fixed bracket 100 through a screw jack 102.

In summary, the fixing bracket 100 is connected to the machine set frame through the second connecting member 101b, the clamping bracket 200 is connected to the fixing bracket 100 through the connecting member 201b, and the nut 102b on the screw jack 102 in front of the fixing column 101 is adjusted to make the screw jack 102 support the machine set thrust bearing seat. The turning gear is connected through the base bolt 301a, and the nut 102b on the screw jack 102 behind the fixed column 101 is adjusted to firmly connect the screw jack 102 to the supporting seat 301, so long as the base bolt 301a and the screw jack 102 are tightened, the working strength is greatly reduced. The clamping seat is convenient for rough pushing and fine pushing of the machine set center, and only a special wrench is needed to adjust the screw jack.

Example 2

Referring to fig. 1 to 4, a second embodiment of the present invention is based on the above embodiment. Instead, precise clamping of the thrust bearing block is achieved by the clamping assembly 204.

Specifically, the clamping assembly 204 includes a limiting seat 204a disposed in the cavity 201a, a rotating slider 204b disposed in the limiting seat 204a, and a clamping slider 204c disposed in the rotating slider 204 b. The cavity 201a provides a telescopic space for movement of the clamping assembly, the rotating slider 204b rotates and slides in the limiting seat 204a, and the clamping slider 204c rotates and moves in the rotating slider 204 b.

The limiting seat 204a is internally provided with a first sliding groove 204a-1, the rotating slide block 204b is internally provided with a second sliding groove 204b-2, the outer side of the rotating slide block 204b is also provided with a first slide block 204b-1, and the outer part of the clamping slide block 204c is provided with a second slide block 204c-1. The rotating slide block 204b slides in the first slide groove in the limiting seat through the first slide block 204b-1 arranged on the outer side of the rotating slide block, and the clamping slide block 204c slides in the second slide groove 204b-2 in the rotating slide block 204b through the second slide block 204c-1 arranged on the outer side of the rotating slide block.

A sliding base 204d is connected below the limiting seat 204a, a third sliding groove 204d-2 is formed in the sliding base 204d, a guide sliding rail 204d-1 is arranged in the cavity 201a, and the guide sliding rail 204d-1 moves along the third sliding groove 204 d-2. The sliding base 204d slides on the guiding sliding rail 204d-1 of the cavity 201a through a third sliding groove 204d-2 arranged below.

The rotating slider 204b and the clamping slider 204c are both in the shape of a semi-circular arc, and one side of the clamping slider 204c is in the shape of a sawtooth. The saw tooth shape clamps the thrust bearing block more stably and is not easy to slip.

Example 3

Referring to fig. 1, a third embodiment of the present invention is based on the above two embodiments. The difference is that, the dismouting of the cassette of being convenient for, bearing structure is more firm.

Specifically, a support rib 302 is arranged below the support seat 301, and a base bolt 301a is arranged beside the support rib 302.

The outside of centre gripping arm 201 is connected with connecting piece 201b, and dog 203 passes through connecting piece 201b with fixed arm 202, centre gripping arm 201 to be connected, and support holder 300 and fixed bolster 100 top all set up rings 101a.

The lower end of the fixing column 101 is connected with a second connecting piece 101b, and the connecting piece 201b and the second connecting piece 101b are bolts.

In conclusion, the support ribs 302 enhance the rigidity of the support base 301, and the base bolts 301a facilitate the assembly and disassembly of the support base 301. Connector 201b facilitates the connection of clamp arm 201 to securing arm 202, stop 203 and securing bracket 100. The top sets up rings 101a, conveniently hoists the transport.

Example 4

Referring to fig. 1 to 5, in order to provide a fourth embodiment of the present invention, based on the above three embodiments, an adjusting device 400 is provided, which includes a turntable 401, a handle 402 disposed at the edge of the turntable 401, a screw 403 connected to the center of the turntable, a bearing 404 disposed at one end of the screw 403, and a gear 405 disposed outside the bearing 404.

Specifically, a connecting sleeve 401a is arranged on the turntable 401, a limiting rod 401a-1 is arranged inside the connecting sleeve 401a, and the limiting rod 401a-1s is slidably connected in the handle 402.

Wherein the stop bar is telescopically adjustable within the handle 402 and the coupling sleeve 401 a.

In summary, when clamping is required, firstly, the handle 402 on the rotary dial 401 drives the screw rod 403 and the bearing 404 to rotate, so as to precisely adjust the gap between the clamping assembly 204 and the thrust bearing seat, specifically, when the retainer seat 204a moves forward on the guide slide rail 204d-1 through the third slide groove 204d-2, the clamping slider 204c and the rotating slider 204b in the clamping assembly 204 respectively touch different parts of the thrust bearing seat, then, the handle 402 is rotated continuously, at this time, the clamping slider 204c and the rotating slider 204b slide in the second slide groove 204b-2 and the first slide groove 204a-1 until being completely clamped with the thrust bearing seat, and finally, the retainer rod 401a-1 in the handle 402 is pulled to be engaged with the gear 405, so as to lock the position of the handle 402, avoid displacement of the turbine runner, and prevent the turbine shafting runner from being deviated.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.

Claims

1. Prevent cassette of hydraulic turbine runner shafting skew, its characterized in that: comprises the steps of (a) preparing a substrate,

the fixing support (100) comprises a fixing column (101) and a screw jack (102) embedded in the fixing column (101), the front side and the rear side of the fixing column (101) are respectively provided with the screw jack (102), the screw jack (102) is provided with a screw rod (102 a), the screw rod (102 a) is provided with a nut (102 b), and one end of the screw rod (102 a) is connected with a universal head (102 c); and the number of the first and second groups,

the clamping bracket (200) comprises a clamping arm (201), a fixed arm (202) connected to the inner side of the clamping arm (201), and a stop block (203) arranged on the inner side of the fixed arm (202); a cavity (201 a) is formed in the front end of the clamping arm (201), a clamping assembly (204) is arranged in the cavity (201 a), and the clamping support (200) is connected to two sides of the fixed support (100); and (c) a second step of,

the supporting bracket (300) comprises a supporting seat (301), and the supporting seat (301) is movably connected with the fixed bracket (100) through a screw jack (102).

2. The cartridge for preventing the shaft system of the runner of the hydraulic turbine from shifting as claimed in claim 1, wherein: the clamping assembly (204) comprises a limiting seat (204 a) arranged in the cavity (201 a), a rotating slide block (204 b) arranged in the limiting seat (204 a), and a clamping slide block (204 c) arranged in the rotating slide block (204 b).

3. The cartridge for preventing the shaft system of the turbine runner from shifting according to claim 2, wherein: a first sliding groove (204 a-1) is formed in the limiting seat (204 a), a second sliding groove (204 b-2) is formed in the rotating sliding block (204 b), a first sliding block (204 b-1) is further arranged on the outer side of the rotating sliding block (204 b), and a second sliding block (204 c-1) is arranged on the outer side of the clamping sliding block (204 c).

4. The cartridge for preventing the shaft system of the runner of the hydraulic turbine from shifting as claimed in claim 3, wherein: a sliding base (204 d) is connected below the limiting seat (204 a), a third sliding groove (204 d-2) is formed in the sliding base (204 d), and a guide sliding rail (204 d-1) is arranged in the cavity (201 a).

5. The cartridge for preventing the shaft system of the turbine runner from shifting according to claim 4, wherein: the rotating slide block (204 b) and the clamping slide block (204 c) are both in a semi-circular arc shape, and one side of the clamping slide block (204 c) is in a sawtooth shape.

6. The cartridge for preventing the shaft system of the turbine runner from shifting according to claim 5, wherein: supporting ribs (302) are arranged below the supporting seat (301), and base bolts (301 a) are arranged beside the supporting ribs (302).

7. The cartridge for preventing the shaft system of the turbine runner from shifting according to claim 5 or 6, wherein: the outside of the clamping arm (201) is connected with a connecting piece (201 b), the stop block (203) is connected with the fixed arm (202) and the clamping arm (201) through the connecting piece (201 b), and the top ends of the supporting bracket (300) and the fixed bracket (100) are provided with a hanging ring (101 a).

8. The cartridge for preventing the shaft system of the turbine runner from shifting according to claim 1, wherein: the lower end of the fixing column (101) is connected with a second connecting piece (101 b), and the connecting piece (201 b) and the second connecting piece (101 b) are bolts.

9. Adjustment device (400), characterized in that: comprises the clamping seat for preventing the water turbine runner shafting from deviating as claimed in any one of claims 1 to 8, and,

the gear mechanism comprises a rotary disc (401), a handle (402) arranged at the edge of the rotary disc (401), a screw rod (403) connected to the center of the rotary disc (401), a bearing (404) arranged at one end of the screw rod (403), and a gear (405) arranged on the outer side of the bearing (404).

10. The adjustment device of claim 9, wherein: the rotary table is characterized in that a connecting sleeve member (401 a) is arranged on the rotary table (401), a limiting rod (401 a-1) is arranged inside the connecting sleeve member (401 a), and the limiting rod (401 a-1) is connected in the handle (402) in a sliding mode.