CN212564110U

CN212564110U - Large-torque coupler

Info

Publication number: CN212564110U
Application number: CN202020771814.6U
Authority: CN
Inventors: 张宝军; 刘海霞
Original assignee: Tianjin Mingchen Mechanical And Electrical Equipment Installation Co ltd
Current assignee: Tianjin Mingchen Mechanical And Electrical Equipment Installation Co ltd
Priority date: 2020-05-12
Filing date: 2020-05-12
Publication date: 2021-02-19
Anticipated expiration: 2030-05-12

Abstract

The utility model relates to the technical field of couplings, in particular to a large-torque coupling, which comprises a first shaft sleeve, a second shaft sleeve, a first bolt, a second bolt, a first matching plate, a second matching plate and a connecting piece, wherein the first shaft sleeve and the second shaft sleeve are provided with shaft holes, one end of the first shaft sleeve is welded with a first flange, the other end of the first shaft sleeve is provided with a mounting groove, and the mounting groove is provided with the first matching plate through the matching of the first bolt; the first matching plate is connected with the connecting piece in a welding mode, and a second matching plate is arranged on the side wall, back to the first matching plate, of the connecting piece in a welding mode; the second matching plate is connected with the second shaft sleeve through a second bolt, and a second flange is welded at one end of the second shaft sleeve. First flange, second flange, connecting piece, first cooperation board and second cooperation board set up with the cooperation of axle sleeve, when cooperation axostylus axostyle in the shaft hole, have increased the transmission moment of torsion of shaft coupling.

Description

Large-torque coupler

Technical Field

The utility model relates to a shaft coupling technical field especially relates to a big moment of torsion shaft coupling.

Background

The loading test is a necessary means for research and development and quality detection of the gear box, and the high-power loading test bed almost becomes a bottleneck for restricting research and development of the high-power wind power gear box. The research and development of the high-power wind power gear box test bed are beneficial to the research and development of the domestic megawatt wind power gear box and the improvement of the product quality.

Along with the rapid increase of the single-machine capacity of the wind turbine generator, the rated power of the wind turbine gearbox and the test bed thereof also rapidly increases, so that the requirements on the test bed of the wind turbine gearbox are stricter, and the development difficulty of the test bed is further improved. The high-speed shaft coupling has the advantages that higher requirements are provided for the coupling for connecting the motor main shaft and the high-speed shaft of the gearbox on the test bed, the coupling is required to be capable of transmitting large torque, good in centering performance and capable of adjusting deviation to a certain degree. In addition, in various known couplings, the rigid coupling does not have a buffering function, and therefore, the rigid coupling can only be applied to static starting and cannot be suitable for frequent starting occasions.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a large-torque coupling.

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

a high-torque coupler comprises a first shaft sleeve, a second shaft sleeve, a first bolt, a second bolt, a first matching plate, a second matching plate and a connecting piece, wherein shaft holes are formed in a first bearing and the second shaft sleeve;

the first matching plate is connected with the connecting piece in a welding mode, and a second matching plate is arranged on the side wall, back to the first matching plate, of the connecting piece in a welding mode;

the second matching plate is connected with the second shaft sleeve through a second bolt, and a second flange is welded at one end of the second shaft sleeve.

Preferably, eight thread grooves are formed in the first matching plate and the second matching plate, and a first bolt and a second bolt are matched with the corresponding screws in a rotating mode.

Preferably, all there is the interval space on first cooperation board and the second cooperation board, and the welding is provided with the spring in the interval space, and the interval space is close to the lateral wall of spring still welds the kelly.

Preferably, through holes are formed in the first matching plate, the connecting piece and the second matching plate, and the through holes are equal in diameter to the shaft holes formed in the first bearing and the second shaft sleeve.

Preferably, the outer diameters of the connecting piece, the first shaft sleeve and the second shaft sleeve are on the same horizontal plane.

Preferably, the flange holes on the first flange and the second flange are equal to the inner diameter of the shaft hole.

The utility model has the advantages that:

1. the utility model discloses, first flange, second flange, connecting piece, first cooperation board and second cooperation board set up with the cooperation of axle sleeve, when the cooperation axostylus axostyle in the shaft hole, increased the transmission moment of torsion of shaft coupling.

2. The utility model discloses, welded the spring on first cooperation board and second cooperation board, utilized the elastic property of spring, buffer performance when having increased the shaft coupling operation.

Drawings

Fig. 1 is a schematic diagram of a front view structure of a large-torque coupling according to the present invention;

fig. 2 is a left side view structural schematic diagram of a large torque coupling provided by the present invention;

fig. 3 is a structural schematic diagram of the first matching plate and the spring connection of the large torque coupling according to the present invention.

In the figure: the first shaft sleeve 1, the first flange 2, the shaft hole 3, the second flange 4, the second shaft sleeve 5, the connecting piece 6, the first matching plate 7, the first bolt 8, the second bolt 9, the clamping rod 10, the spring 11 and the second matching plate 12.

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.

Example (b): referring to fig. 1-3, a large-torque coupler comprises a first shaft sleeve 1, a second shaft sleeve 5, a first bolt 8, a second bolt 9, a first matching plate 7, a second matching plate 12 and a connecting piece 6, wherein shaft holes 3 are formed in a first bearing and the second shaft sleeve 5, a first flange 2 is welded at one end of the first shaft sleeve 1, an installation groove is formed in the other end of the first shaft sleeve 1, the first matching plate 7 is arranged on the installation groove in a matching mode through the first bolt 8, the first matching plate 7 is connected with the connecting piece 6 in a welding mode, a second matching plate 12 is welded on the side wall, opposite to the first matching plate 7, of the connecting piece 6, the second matching plate 12 is connected with the second shaft sleeve 5 through the second bolt 9, and a second flange 4 is welded at one end of the second shaft sleeve 5;

eight thread grooves are formed in the first matching plate 7 and the second matching plate 12 respectively, a first bolt 8 and a second bolt 9 are correspondingly and spirally matched, spacing spaces are formed in the first matching plate 7 and the second matching plate 12 respectively, springs 11 are welded in the spacing spaces, and clamping rods 10 are welded on the side walls, close to the springs 11, of the spacing spaces;

all seted up the through-hole on first cooperation board 7, connecting piece 6 and the second cooperation board 12, the through-hole equals with the shaft hole 3 that sets up on first bearing and the second shaft sleeve 5 footpath, and the external diameter of connecting piece 6, first shaft sleeve 1 and second shaft sleeve 5 is in on the same horizontal plane, and the flange hole on first flange 2 and the second flange 4 equals with the internal diameter in shaft hole 3.

Specifically, a first matching plate 7 and a second matching plate 12 are welded on two end walls of the connecting piece 6 correspondingly, then the first shaft sleeve 1 and the second shaft sleeve 5 are connected through the first matching plate 7 and the second matching plate 12, a first bolt 8 penetrates through the first shaft sleeve 1 to be connected with the first matching plate 7, and a second bolt 9 penetrates through the second shaft sleeve 5 to be connected with the second matching plate 12;

a first flange 2 and a second flange 4 are correspondingly welded at one end of a first shaft sleeve 1 and one end of a second shaft sleeve 5, so that the first flange 2, the second flange 4, a connecting piece 6, a first matching plate 7 and a second matching plate 12 are matched with the shaft sleeves, and when a shaft rod is matched in a shaft hole 3, the transmission torque of the coupler is increased;

the springs 11 are welded on the first matching plate 7 and the second matching plate 12, and the elastic performance of the springs 11 is utilized to increase the buffer performance of the coupler during operation.

Those not described in detail in this specification are within the skill of the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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. A high-torque coupler comprises a first shaft sleeve (1), a second shaft sleeve (5), a first bolt (8), a second bolt (9), a first matching plate (7), a second matching plate (12) and a connecting piece (6), and is characterized in that a shaft hole (3) is formed in a first bearing and the second shaft sleeve (5), a first flange (2) is welded at one end of the first shaft sleeve (1), a mounting groove is formed in the other end of the first shaft sleeve (1), and the first matching plate (7) is arranged on the mounting groove in a matched mode through the first bolt (8);

the first matching plate (7) is connected with the connecting piece (6) in a welding mode, and a second matching plate (12) is arranged on the side wall, back to the first matching plate (7), of the connecting piece (6) in a welding mode;

the second matching plate (12) is connected with the second shaft sleeve (5) through a second bolt (9), and a second flange (4) is welded at one end of the second shaft sleeve (5).

2. A high torque coupling according to claim 1, characterized in that said first and second fitting plates (7, 12) are each provided with eight threaded grooves and corresponding first and second bolts (8, 9) are rotatably fitted.

3. A high-torque coupling according to claim 1, characterized in that a space is formed on each of the first and second fitting plates (7, 12), a spring (11) is welded in the space, and a clamping rod (10) is welded on the side wall of the space close to the spring (11).

4. The large-torque coupling according to claim 1, wherein the first matching plate (7), the connecting piece (6) and the second matching plate (12) are provided with through holes, and the through holes are equal in diameter to the shaft holes (3) formed in the first bearing and the second shaft sleeve (5).

5. A high torque coupling according to claim 1, characterized in that the outer diameters of the connecting piece (6), the first sleeve (1) and the second sleeve (5) are in the same horizontal plane.

6. A high torque coupling according to claim 1, characterized in that the flange holes of the first flange (2) and the second flange (4) are equal to the inner diameter of the shaft hole (3).