TWI761798B - Shaft seal device and installation method thereof - Google Patents

Abstract

A shaft sealing device comprises: a gland including a first surface and a second surface, wherein the first surface and the second surface have different extension directions, and the first surface includes a first groove for receiving a clamping member, wherein The clamping member has a first hole and a second hole, the first hole allows the first fixing member to pass through and be inserted into the first groove, so that the clamping member slides in the first groove through the first fixing member, and the second The hole allows the second fastener to pass through and contact the second surface to secure the clip to the gland.

Description

Shaft seal device and installation method thereof

The present invention relates to a shaft seal device structure and an installation method thereof, in particular to a general shaft seal device suitable for various mechanical specifications.

Common rotating machinery includes mixers, pumps, etc. At the pivot joint where the rotating shaft of the rotating machine protrudes from the casing of the rotating machine, there is a gap between the rotating shaft and the casing, so the fluid or gas pressure in the rotating machine may leak out from the pivot joint. Therefore, many rotating machines need to install a shaft sealing device between the rotating rotating shaft and the stationary casing to seal the gap between the rotating shaft and the casing at the pivot point.

Generally speaking, the shaft sealing device is arranged around the rotating shaft and fixed on the casing with bolts. Since different screw hole arrangements are used in various rotating machines, various shaft sealing devices of different specifications are required to cope with various rotating machines. However, the production of various shaft sealing devices requires a lot of cost, and the operating burden of personnel will also increase. In addition, the operator may not install it properly because he is not familiar with the installation methods of various shaft seal devices during installation, which is likely to cause abnormal operation of the subsequent rotating machinery. Therefore, there is a need for a shaft sealing device that can accommodate various screw hole arrangements for securing the bolts to the housing.

Therefore, the purpose of the present invention is to provide a shaft sealing device.

Therefore, the shaft sealing device of the present invention includes a gland, a plurality of clamping members, a plurality of first fixing members, and a plurality of second fixing members. The land includes a first surface with a first groove, and a second surface with a different extension direction from the first surface. The clamping pieces are detachably disposed on the flange, and each clamping piece has a first hole and a second hole. The first fixing members respectively pass through the first holes and are partially inserted into the first grooves, so as to allow each clamping member to slide in the first grooves. The second fixing members respectively pass through the second holes and contact the second surface, so as to fix the clamping members on the second surface.

Another object of the present invention is to provide a shaft sealing device.

Therefore, the shaft sealing device of the present invention includes a flange, a clamping piece, a first fixing piece, and a second fixing piece. The land includes a first surface with a groove, and a second surface with a different extension direction from the first surface. The clamping piece is detachably disposed on the flange and has a first hole and a second hole. The first fixing member passes through the first hole and is partially inserted into the groove to allow the clamping member to slide in the groove. The second fixing member passes through the second hole and contacts the second surface to fix the clamping member on the second surface.

Another object of the present invention is to provide a method for installing a shaft sealing device on a rotating machine.

Therefore, the present invention provides a method for installing a shaft sealing device on a rotating machine, comprising: arranging a gland on the rotating shaft of the rotating machine, the gland includes a first surface and a second surface, the first surface There is a first groove; at least one clamping piece is placed on the first surface and the second surface, and a first hole and a second hole of the at least one clamping piece are respectively corresponding to the first surface and the second surface; at least one first fixing member is inserted through the first hole of the at least one clamping member and partially inserted into the first groove, so that the at least one clamping member can pass through the at least one first fixing member The fixing piece slides in the first groove to adjust the position of the at least one clamping piece; and the at least one second fixing piece passes through the second hole of the at least one clamping piece and contacts the second surface, The at least one clamping piece is fixed on the second surface via the at least one second fixing piece.

The effect of the present invention is that the present invention provides a detachable clamping member to increase or decrease the number of the clamping member according to the number of screw holes of the rotating machine, so the shaft sealing device of the present invention has greater flexibility for various types of rotating machinery. In addition, the Gland has grooves to receive the clamps, so the position of the clamps can be easily moved and adjusted, thus reducing the operator's burden.

10: Bushing

12: Groove

20: Turn the ring

22: Flange edge

30: Still Ring

40: Compression ring

42: Spring

44: Spring retainer

46: clip slot

50: Gran

50A: first surface

50B: Second surface

50C: First groove

50CA: Groove

50CB: Groove

50D: Extensions

50E: Second groove

52: Ring groove

54: top surface

60: Bushing

62: Fixed pin

64: screw hole

66: hexagon socket head screw

70: Positioning block

72: Hook

80: Rotating machinery

82: top

84: Rotary axis

86: screw hole

90: Clamps

92A: The first hole

92B: Second hole

94: Opening

96A: First Fixture

96B:Second Fixture

96C: Third Fixture

100: Shaft seal device

AA: line

R1: O-ring

R2: O-ring

R3: O-ring

R4: O-ring

S1: Screw

S2: Screw

S3: Screw

P1: Steps

P2: Steps

P3: Steps

P4: Steps

Other features and effects of the present invention will be described with reference to the embodiments of the drawings It is clearly presented in, wherein: Figure 1 is a flow chart illustrating the method for installing the shaft seal device of the present invention on a rotating machinery; Figure 2 is a cross-sectional view illustrating the intermediate process of installing the shaft seal device in a rotating machinery; Figure 3 is a A perspective view illustrating the three-dimensional state of FIG. 2 ; FIG. 4 is a top view illustrating a gland of the present embodiment; FIG. 5 is a perspective view illustrating the middle process of the shaft sealing device being installed in a rotating machine; FIG. 6 is a top view , illustrate the intermediate process of the shaft sealing device being installed in the rotating machine; Figures 7 and 8 are both sectional views, illustrating the intermediate process of the shaft sealing device being installed in the rotating machinery; Figure 9 is a top view, illustrating that the shaft sealing device is installed in the rotating machinery The intermediate process of the machine; Fig. 10 is a sectional view illustrating the intermediate process of the shaft seal device being installed in the rotating machine; Fig. 11 is a plan view illustrating the intermediate process of the shaft sealing device being installed in the rotating machine; and Fig. 12 is a sectional view, Explain that the shaft seal device is installed in the middle process of rotating machinery.

The following disclosure provides many different embodiments or examples for implementing the various components of the invention. Specific examples of elements and arrangements are described below to simplify the present disclosure. certainly, These elements and arrangements are examples only and are not intended to be limiting. For example, in the following description, the formation of a first member over or on a second member may include embodiments in which the first member is formed in direct contact with the second member, and may also include embodiments in which additional members may be An embodiment formed between the first member and the second member so that the first member and the second member may not be in direct contact. Additionally, the present disclosure may repeat reference numbers and/or letters in various instances. This repetition is for the purpose of brevity and clarity and does not in itself indicate a relationship between the various embodiments and/or configurations discussed.

Furthermore, for ease of description, spatially relative terms may be used herein to describe one element or component's relationship to another element or component(s), as illustrated in the figures. In addition to the orientation depicted in the figures, spatially relative terms are intended to encompass different orientations of the device in use or operation. The device may also be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein may be similarly interpreted accordingly.

According to various exemplary embodiments, a shaft seal device structure and an installation method thereof are provided, and more particularly, a shaft seal device capable of accommodating various screw hole configurations and an installation method thereof are provided. Wherein, the shaft sealing device of the present invention includes a flange for receiving a plurality of clamping pieces. The clamping parts are detachably arranged on the flange, so the number of the clamping parts can be adjusted according to the number of screw holes of the rotating machine, so the shaft sealing device has greater flexibility for various rotating machines . Illustration showing the installation of shaft seals in the intermediate stages of rotating machinery. Some variations of this embodiment are discussed. Throughout the various views and illustrative embodiments, phase Similar reference numbers are used to designate similar components.

Referring to FIGS. 1, 2, and 3, FIG. 1 illustrates a flow chart of the shaft sealing device of the present embodiment being installed on a rotating machine, and FIG. 2 illustrates a cross-sectional view of the shaft sealing device of the present embodiment being installed in an intermediate stage of a rotating machine. 3. A perspective view illustrating the installation of the shaft sealing device of the present embodiment in an intermediate stage of a rotating machine. Please refer to step P1 in FIG. 1 and also refer to FIGS. 2 and 3 , the gland 50 of the shaft sealing device 100 is sleeved on the rotating shaft 84 of the rotating machine 80 , wherein the gland 50 has a first surface 50A and A second surface 50B, and the first surface 50A has a first trench 50C.

The shaft sealing device 100 includes, from bottom to top, a shaft sleeve 10, a rotating ring 20, a stationary ring 30, a compression ring 40, a spring 42, a spring retainer 44, a gland 50, a The bushing 60, and the plurality of positioning blocks 70. The shaft sealing device 100 is arranged on the top 82 of the rotating machine 80 . The rotating machine 80 includes a rotating shaft 84 pivoted in the shaft sealing device 100 , and the shaft sealing device 100 is sleeved on the rotating shaft of the rotating machine 80 through the flange 50 . 84 on. A rotating machine such as a stirrer, an electric motor, an engine or a motor is arranged at the end of the rotating shaft 84, and the rotating shaft 84 can be started to rotate to stir the fluid or gas contained in the reaction tank of the rotating machine 80.

As shown in FIG. 2 , the shaft sealing device 100 may further include a plurality of O-rings R1 , R2 , R3 and R4 , which are respectively disposed between the shaft sleeve 10 , the rotating ring 20 , the stationary ring 30 and the flange 50 . between. The shaft sleeve 10 is fixed on the surface of the rotating shaft 84 , and a groove 12 is arranged inside the bottom end of the shaft sleeve 10 , and an O-ring R1 is arranged in the groove 12 . The top edge of the rotating ring 20 A flanged edge 22 protruding outward is formed, and the rotating ring 20 can be snapped into the shaft sleeve 10 through the O-ring R2 , so that the flanged edge 22 is tightly fitted on the top of the shaft sleeve 10 . There is a clamping groove 46 on the inner surface of the ring ring of the flange 50 , and an O-ring R3 is arranged between the clamping groove 46 and the stationary ring 30 . A ring groove 52 is set at the bottom end of the flange 50 , and an O-ring R4 is set in the ring groove 52 , so that the shaft sealing device 100 is sealed on the top 82 of the rotating machine 80 .

The shaft sealing device 100 further includes a plurality of screws S1 , S2 and S3 , which are respectively disposed between the spring retainer 44 , the flange 50 , the bushing 60 and the positioning blocks 70 . Screw S1 fixes the position of the spring retainer 44 relative to the spring 42 . The bushing 60 is provided with a plurality of screw holes 64 and socket head cap screws 66 , and the screw S2 fixes the bushing 60 on the surface of the rotating shaft 84 through the screw holes 64 . A hook portion 72 is provided at the bottom end of the positioning blocks 70 . The hook portion 72 of each positioning block 70 can fasten the bushing 60 on the top surface 54 of the flange 50 , and screw S3 into the positioning blocks. The through hole of the block 70 is locked on the top surface 54 of the glan 50 . The shaft sealing device 100 may further include a fixing pin 62 disposed between the bushing 60 , the bushing 10 and the rotating shaft 84 .

FIG. 4 illustrates a top view of the Glan 50 of the present embodiment. Please refer to FIG. 2 to FIG. 4 at the same time. As shown in FIG. 2 to FIG. 4 , the flange 50 includes a first surface 50A and a second surface 50B, wherein the first surface 50A and the second surface 50B have different extension direction. In this embodiment, the first surface 50A is perpendicular to the second surface 50B, but it is not limited thereto, and the first surface 50A and the second surface 50B may have an included angle of any angle. In this embodiment, the Gland 50 can be an integrally formed part, but not limited to this, The Glan 50 can also be composed of a number of different components.

As shown in FIG. 4 , the first surface 50A of the land 50 further includes a first groove 50C. In this embodiment, the first trench 50C includes a plurality of continuous trenches, and the trenches are arranged along the outer edge of the first surface 50A, but not limited thereto, for example, the first trench 50C may include A plurality of discontinuous grooves, which are not connected to each other and are arranged along the outer edge of the first surface 50A. In this embodiment, the land 50 may include an extension portion 50D, the extension portion 50D partially covers the first surface 50A and exposes the first groove 50C.

Referring to FIGS. 5 to 8 , FIG. 5 illustrates a perspective view of the shaft seal device of the present embodiment installed in the middle stage of the rotating machine, FIG. 6 illustrates the top view of the shaft seal device of the present embodiment installed in the middle stage of the rotary machine, and FIG. 7 illustrates A cross-sectional view of the shaft seal device of the present embodiment installed in an intermediate stage of a rotating machine, and FIG. 8 illustrates a cross-sectional view of the shaft seal device of the present embodiment installed in an intermediate stage of a rotating machine. Referring to step P2 of FIG. 1 and referring to FIG. 5 at the same time, the clamping members 90 are placed on the first surface 50A and the second surface 50B of the flange 50 , and a The first hole 92A and a second hole 92B correspond to the first surface 50A and the second surface 50B, respectively.

As shown in FIG. 5 to FIG. 8 , the clamping member 90 has the first hole 92A and the second hole 92B, wherein the first hole 92A and the second hole 92B have different extension directions. The first hole 92A extends in a direction parallel to the rotation shaft 84 , and the second hole 92B extends in a direction perpendicular to the rotation shaft 84 . According to this embodiment, the first hole 92A is perpendicular to the Two holes 92B, but not limited thereto. The extension direction between the first hole 92A and the second hole 92B can be adjusted according to the extension direction between the first surface 50A and the second surface 50B of the flange 50 , wherein the first The holes 92A and the second holes 92B correspond to the first surface 50A and the second surface 50B of the gland 50 , respectively.

According to the present embodiment, each of the first holes 92A and each of the second holes 92B may have threads, respectively. Specifically, the first holes 92A and the second holes 92B can be screw holes, respectively. According to the present embodiment, the clamping members 90 are inserted into the flange 50 from the radial direction of the rotating shaft 84, but not limited to this, if the flange 50 does not have the extension 50D, the clamping members 90 can be rotated The axial direction of the shaft 84 is inserted into the gland 50 .

As shown in FIG. 6 , the first hole 92A of each clip 90 exposes the first surface 50A of the flange 50 . Specifically, the first hole 92A of the clip 90 exposes the first groove 50C of the flange 50 . According to some embodiments of the present disclosure, the top view of the clips 90 is horseshoe-shaped, but not limited thereto, the clips 90 may have any shape. As shown in FIG. 6 , the openings 94 of the clamps 90 expose the screw holes 86 of the top 82 of the rotating machine 80 .

It is worth mentioning that the number of the clamping members 90 can be adjusted according to the number of the screw holes 86 of the rotating machine 80 . For example, when the rotating machine 80 has four screw holes 86 , a corresponding number of clamping members 90 are provided so that the shaft sealing device 100 is sealed on the top 82 of the rotating machine 80 . In addition, according to the size of the screw hole 86 of the rotating machine 80 , a corresponding size of the clamping member 90 can be provided. According to some embodiments of the present disclosure, the openings 94 of the clips 90 are also It can be adjusted according to the size of the screw hole 86 of the rotating machine 80 .

Referring to step P3 of FIG. 1 and referring to FIG. 6 at the same time, a plurality of first fixing members 96A are respectively passed through the first holes 92A and partially inserted into the first groove 50C, so that each clamping member 90 can pass through Corresponding to the first fixing member 96A and sliding in the first groove 50C to adjust the position of the clamping member 90 , the curved double arrow in FIG. 6 represents that the first fixing member 96A is in the first groove 50C swipe direction.

As shown in FIG. 6 , each clamping member 90 can slide along the rotating shaft 84 in the first groove 50C through the corresponding first fixing member 96A, so as to adjust the position of the clamping member 90 and make the clamping member 90 . The opening 94 of the holder 90 is provided corresponding to the screw hole 86 of the rotating machine 80 . According to some embodiments of the present disclosure, the first fixing members 96A may be screws, but not limited thereto, the first fixing members 96A may also be bolts or any suitable material. For example, the first fixing parts 96A can be Set Screws, but not limited to, Hexagon bolts, Hexagon Socket Bolts, Hexagon Socket Bolts, etc. Appropriate materials such as Button Head Socket Bolt, Hexagon Socket Head Cap Bolt or Grub Screw.

As shown in FIGS. 6-8 , wherein the cross-sectional view shown in FIG. 8 is obtained from a plane containing the line A-A in FIG. 6 . A plurality of first fixing members 96A respectively pass through the first holes 92A of each clamping member 90 and are partially inserted into the first groove 50C to allow each clamping member 90 to slide in the first groove 50C, Wherein the extension 50D part of the Glan 50 The clamping members 90 are covered and the first fixing members 96A are exposed. According to this embodiment, the surfaces of the first fixing members 96A may be flush with the upper surfaces of the clamping members 90 , but not limited thereto, the surfaces of the first fixing members 96A may also be slightly higher than the clamping members 90 The upper surfaces of the holders 90 are at or slightly lower than the upper surfaces of the holders 90 .

Referring to step P4 of FIG. 1 and referring to FIGS. 7 and 8 at the same time, a plurality of second fixing members 96B are respectively passed through the second holes 92B and contacted with the second surface 50B, so that the clamping members 90 pass through the The second fixing member 96B is fixed on the second surface 50B. Specifically, when the clamping members 90 are moved to positions corresponding to the screw holes 86 of the rotating machine 80, the plurality of second fixing members 96B are respectively passed through the second holes 92B of each clamping member 90 and contact the The second surface 50B of the grommet 50 to fix the clips 90 on the second surface 50B. According to this embodiment, the surfaces of the second fixing members 96B can be flush with the side walls of the clamping members 90, but not limited thereto, the surfaces of the second fixing members 96B can also protrude beyond the clamping members The side walls of the holders 90 are slightly recessed or slightly recessed compared to the side walls of the holders 90 .

As shown in FIG. 8 , the clamping members 90 are fixed on the second surface 50B of the flange 50 by the second fixing members 96B, so that the clamping members 90 stop sliding and are fixed on the corresponding rotating machinery 80 screw hole 86 position. According to some embodiments of the present disclosure, the second fixing members 96B may be screws, but not limited thereto, the second fixing members 96B may be bolts or any suitable material. For example, the second fixing members 96B can be set screws, but not limited thereto, they can also be external hexagon screws (Hexagon bolt), Hexagon Socket Bolt, Button Head Socket Bolt, Hexagon Socket Head Cap Bolt or Grub Screw and other suitable materials .

Please refer to FIGS. 9 and 10 . FIG. 9 illustrates a top view of the shaft seal device of the present embodiment installed in the middle stage of the rotating machine, and FIG. 10 illustrates the cross-sectional view of the shaft seal device of the present embodiment installed in the middle stage of the rotary machine. As shown in FIGS. 9 and 10 , a plurality of third fixing members 96C pass through the openings 94 of the clamping members 90 respectively, so as to fix the shaft sealing device 100 on the rotating machine 80 . According to this embodiment, the third fixing members 96C may be bolts, but not limited thereto, the second fixing members 96B may be screws or any suitable materials. Specifically, the third fixing pieces 96C pass through the openings 94 of the clamping pieces 90 and are screwed into the screw holes 86 of the rotating machine 80 to lock the clamping pieces 90 on the top of the rotating machine 80 82.

Please refer to FIG. 11 . FIG. 11 illustrates a top view of the shaft sealing device of the present embodiment installed in the middle stage of the rotating machine. As shown in FIG. 11 , the first surface 50A of the land 50 further includes a first groove 50C, wherein the first groove 50C may include a plurality of discontinuous grooves that are not connected to each other and extend along the first groove 50C. The outer edge of the surface 50A is aligned. For example, the first trench 50C may include two discontinuous trenches 50CA and 50CB, wherein the trenches 50CA and 50CB are the same size, but not limited thereto, the trenches 50CA and 50CB may be have different sizes.

This embodiment has some advantageous features. The clips 90 can pass through the The first fixing member 96A is selected to slide in the groove 50CA or the groove 50CB of the flange 50, and is fixed on the flange 50 by the second fixing members 96B, so the positions of the clamping members 90 can be selected. It can be adjusted and fixed in the groove 50CA or the groove 50CB, so it can meet the requirements of various rotating machines, thus reducing the manufacturing cost.

Please refer to FIG. 12 . FIG. 12 illustrates a cross-sectional view of the shaft sealing device of the present embodiment installed in the middle stage of the rotating machine. As shown in FIG. 12 , the second surface 50B of the land 50 includes a second groove 50E, wherein the second groove 50E is arranged along the outer edge of the second surface 50B. In this embodiment, the second groove 50E includes continuous grooves arranged along the outer edge of the second surface 50B, but is not limited thereto. The second groove 50E may also include a plurality of discontinuous grooves, not connected to each other and arranged along the outer edge of the second surface 50B.

In this embodiment, the second holes 92B of the clamping members 90 can be disposed corresponding to the second grooves 50E of the second surface 50B, and the second grooves 50E can allow a plurality of second fixing members 96B to be inserted (Fig. not shown). The clamping pieces 90 can be fixed in the second grooves 50E of the second surface 50B of the flange 50 by the second fixing pieces 96B. According to this embodiment, the clamping members 90 can slide in the second groove 50E through the second fixing members 96B, and are fixed to the first surface 50A of the flange 50 through the first fixing members 96A (not shown).

This embodiment has some advantageous technical features. The clamping pieces 90 are detachably disposed on the flange 50, so the number of the clamping pieces 90 can be adapted to suit The number of screw holes of the rotating machine 80 is adjusted, so the shaft sealing device 100 has greater flexibility for various rotating machines. In addition, the clamping members 90 slide in the first grooves 50C of the grommet 50 through the first fixing members 96A, and are fixed on the grommet 50 through the second fixing members 96B, so the The position of the clamping member 90 can be easily adjusted and fixed, so the burden on the operator can be reduced. In addition, since the present embodiment only needs to increase or decrease the number of the clamping members 90 to meet the requirements of various rotating machines, the manufacturing cost can be reduced.

To sum up, the present invention provides a detachable clamping member to increase or decrease the number of the clamping member according to the number of screw holes of the rotating machine, so the shaft sealing device of the present invention has greater flexibility for various types of rotating machinery. In addition, the Gland has grooves to receive the clamps, so the position of the clamps can be easily moved and adjusted, thus reducing the operator's burden. In addition, because the present invention only needs to increase or decrease the number of clamping members to correspond to rotating machines with different screw hole arrangements, the shaft sealing device of the present invention can meet the needs of various rotating machines and can reduce the manufacturing cost, so it is true The purpose of the present invention can be achieved.

However, the above are only examples of the present invention, and should not limit the scope of the present invention. Any simple equivalent changes and modifications made according to the scope of the application for patent of the present invention and the content of the patent specification are still within the scope of the present invention. within the scope of the invention patent.

50A: first surface

50B: Second surface

50C: First groove

50D: Extensions

54: top surface

60: Bushing

66: hexagon socket head screw

70: Positioning block

90: Clamps

92A: The first hole

92B: Second hole

S3: Screw

Claims (10)

A shaft sealing device, comprising: a glan, including a first surface with a first groove, and a second surface with a different extension direction from the first surface; A plurality of clamping pieces are detachably arranged on the grid, and each clamping piece has a first hole and a second hole; a plurality of first fixing pieces, respectively passing through the first holes and partially inserted into the first groove, so as to allow each clamping piece to slide in the first groove; and A plurality of second fixing members respectively pass through the second holes and contact the second surface, so as to fix the clamping members on the second surface. The shaft sealing device of claim 1, wherein the first groove comprises a plurality of continuous grooves arranged along an outer edge of the first surface. The shaft sealing device of claim 1, wherein the first groove comprises a plurality of discontinuous grooves, the grooves are not connected to each other and are arranged along an outer edge of the first surface. The shaft sealing device of claim 1, wherein the second surface has a second groove arranged along an outer edge of the second surface and allowing the second fixing members to be inserted. The shaft sealing device of claim 1, wherein the flange includes a portion of an extension portion covering the clamping members and exposing the first fixing members. The shaft sealing device as claimed in claim 1, wherein the positions of the clamping members are slidably adjusted by the first fixing members, and fixed by the second fixing members. A shaft sealing device, comprising: a glan, including a first surface with a groove, and a second surface with a different extension direction from the first surface; a clamping piece, which is detachably arranged on the grid and has a first hole and a second hole; a first fixing member that passes through the first hole and is partially inserted into the groove to allow the clamping member to slide in the groove; and A second fixing piece passes through the second hole and contacts the second surface to fix the clamping piece on the flange. The shaft sealing device according to claim 7, wherein the grooves are opened continuously or discontinuously, and are arranged along the outer edge of the first surface. A method of mounting a shaft sealing device on a rotating machine, comprising: A grating is sleeved on the rotating shaft of the rotating machine, the grating includes a first surface and a second surface, and the first surface has a first groove; Placing at least one clamping piece on the first surface and the second surface, and making a first hole and a second hole of the at least one clamping piece correspond to the first surface and the second surface respectively; Inserting at least one first fixing member through the first hole of the at least one clamping member and partially inserting it into the first groove, so that the at least one clamping member can pass through the at least first fixing member in the first groove sliding in the groove to adjust the position of the at least one clamping element; and At least one second fixing piece is passed through the second hole of the at least one clamping piece and is in contact with the second surface, so that the at least one clamping piece is fixed on the second surface through the at least one second fixing piece. The method for installing a shaft sealing device on a rotating machine as claimed in claim 9, further comprising inserting at least one third fixing member through the opening of the at least one clamping member to fix the shaft sealing device on the rotating machine.

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