CN213439393U

CN213439393U - Mechanical seal quick-release tool

Info

Publication number: CN213439393U
Application number: CN202021391293.8U
Authority: CN
Inventors: 孙恒; 闫鸣
Original assignee: Weihe Thermal Power Plant Of Datang Shaanxi Power Generation Co ltd; Datang Shaanxi Power Generation Co Ltd
Current assignee: Weihe Thermal Power Plant Of Datang Shaanxi Power Generation Co ltd; Datang Shaanxi Power Generation Co Ltd
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-06-15
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses a quick-dismantling tool for mechanical seal, which comprises a fixed support plate arranged perpendicular to a transmission shaft, a clamping assembly arranged on the mechanical seal at the bottom of the transmission shaft, and a connecting piece parallel to the transmission shaft; the fixed support plate is provided with a level gauge; the connecting piece is 2 screws which are bilaterally symmetrical and are arranged between the fixed support plate and the clamping assembly by taking the transmission shaft as a center, the top of the connecting piece is connected with the fixed support plate, the bottom of the connecting piece is connected with the clamping assembly, the clamping assembly is arranged on the threaded through hole of the mechanical seal, and the bottom of the connecting piece is provided with a snare assembly. The utility model has simple structure and convenient operation, adopts bolt connection among a plurality of components, is easy to disassemble and assemble and is easy to adjust; the fixed bolster board of adjustable size of a dimension can be suitable for the mechanical seal dismantlement operation in certain shaft diameter within range, and application scope is wide, can quick assembly disassembly, has improved the operating efficiency.

Description

Mechanical seal quick-release tool

Technical Field

The utility model relates to a mechanical seal device dismantles frock technical field, concretely relates to mechanical seal quick detach instrument.

Background

When the equipment is periodically overhauled, maintained and maintained, the mechanical seal of the rotating equipment needs to be checked and replaced after hundreds of hours or even thousands of hours of continuous operation, so as to ensure the safe and reliable operation of the equipment after the overhaul is finished. To replace the mechanical seal, the mechanical seal must first be removed from the shaft of the device and the shaft must not be damaged. The conventional mechanical seal dismounting method is not limited to knocking, pulling, pushing, hot dismounting and the like, and in most cases, a special tool is used. In the actual maintenance process, because the number of rotating devices in the production field is large, each device cannot be provided with a set of special tools. In order to facilitate the overhaul and save the overhaul cost as much as possible, a novel mechanical seal disassembling tool with complete functions, simple and convenient operation and strong universality is urgently needed.

Disclosure of Invention

In order to solve the problem, the utility model provides a can reuse, be applicable to the mechanical seal extracting tool that can realize simple and convenient operation in multiple diameter of axle moreover.

The utility model adopts the following technical scheme: a quick-release tool for mechanical seal comprises a fixed support plate arranged perpendicular to a transmission shaft, a clamping assembly arranged on the mechanical seal at the bottom of the transmission shaft, and a connecting piece parallel to the transmission shaft; the fixed support plate is provided with a level gauge; the connecting piece for 2 use the transmission shaft as central bilateral symmetry and set up in fixed bolster board with the screw rod between the chucking subassembly, the top is connected fixed bolster board, the bottom is connected the chucking subassembly.

Furthermore, the fixed support plate is made of a rectangular steel plate, a corresponding through hole is formed in the center of the fixed support plate according to the diameter of the transmission shaft, and the fixed support plate is fixed to the end of the transmission shaft through a transmission shaft back cap.

Further, the fixed support plate can be further arranged to be of a separated structure and comprises a support side plate I and a support side plate II, the support side plate I and the support side plate II are symmetrical to each other, the inner side of the support side plate I is arc-shaped, and the outer side of the support side plate I is provided with a level gauge.

Further, the inner sides of the support side plate I and the support side plate II are further provided with elastic washers, the inner sides of the elastic washers are connected with the support side plate I and the support side plate II through springs, and the outer sides of the elastic washers are fixedly attached to the transmission shaft.

Furthermore, the protruding ends of the left side and the right side of the support side plate I and the support side plate II are respectively provided with a threaded through hole, a bolt I is inserted into the through holes of the support side plate I and the support side plate II to fixedly connect the support side plate I and the support side plate II, the distance of the bolt I in the threaded through hole is controlled, and the relative distance between the support side plate I and the support side plate II is adjusted.

Furthermore, adjusting nuts are symmetrically arranged on the upper side and the lower side of the fixed support plate, and the positions of the fixed support plate on the connecting piece are adjusted through the adjusting nuts.

Furthermore, the clamping assembly is made of a bolt II and fixed on the threaded through hole of the mechanical seal, and a fastening nut is arranged on the bolt II.

Furthermore, a ring sleeving component is arranged at the bottom of the connecting piece, sleeved on the bolt II and positioned between the fastening nut and the mechanical seal, and fixed on the bolt II through the fastening nut.

Further, the adjusting nut is rotated, and the mechanical seal is withdrawn upwards along the transmission shaft.

Compared with the prior art, the utility model discloses the beneficial effect who gains is:

1. the structure is simple, all components are connected by bolts, the assembly and disassembly are easy, and the components can be repeatedly used;

2. the operation is simple and convenient, the trouble and the labor are saved, and the operation efficiency is improved;

3. the two fixed support side plates are provided with springs and elastic washers and are connected with each other through bolts, and the distance between the two side plates can be adjusted by controlling the depth of the bolts entering the support side plates, so that the mechanical seal removal can be carried out on the bearing sleeves with shaft diameters of various sizes;

4. both sides all are provided with the bolt about the curb plate, through the upper and lower position of bolt adjustment change curb plate, and then change the atress of moment adjustment mechanical seal rotating ring, and the setting of support curb plate department spirit level has moreover fine assurance the levelness of curb plate, and then has guaranteed the stability of rotating ring dismantlement process.

Drawings

FIG. 1 is a schematic diagram of the structure and operation of a mechanical seal quick release tool;

FIG. 2 is a schematic diagram of a structure of a fixing support plate of a mechanical seal quick-release tool;

FIG. 3 is a schematic view showing the adjustment of the dimension of the fixing bracket plate of the mechanical seal quick-release tool;

FIG. 4 is a schematic view of a mechanical seal quick release tool connector configuration;

corresponding reference characters indicate:

1. the mechanical leveling instrument comprises a transmission shaft, 2 parts of a fixed support plate, 21 parts of support side plates I and 22 parts of support side plates II and 23 parts of bolts I and 3 parts of screws, 31 parts of a ring assembly, 4 parts of an adjusting nut, 5 parts of bolts II and 51 parts of a fastening nut, 6 parts of a mechanical seal, 7 parts of a leveling instrument, 8 parts of an elastic washer and 9 parts of a spring.

Detailed Description

For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings, and it should be noted that the terms referring to the positions or the orientation relationships such as "upper", "lower", "left", "right", etc. in the embodiments are only provided for the present embodiment, and are not intended to limit the present invention.

With reference to the attached drawings 1-4, the utility model relates to a quick release tool for mechanical seal, which comprises a fixed support plate 2 arranged perpendicular to a transmission shaft 1, a clamping assembly 5 arranged on a mechanical seal 6 at the bottom of the transmission shaft 1, and a connecting piece parallel to the transmission shaft 1; the fixed support plate 2 is provided with a level gauge 7; the connecting piece for 2 use transmission shaft 1 as central bilateral symmetry and set up in fixed mounting plate 2 with screw rod 3 between the chucking subassembly 5, the top is connected fixed mounting plate 2, the bottom is connected the chucking subassembly.

The utility model discloses a preferred but not restrictive embodiment, fixed bolster board 2 adopts the rectangle steel sheet to make, is provided with corresponding through-hole at fixed bolster board 2 center according to 1 footpath of transmission shaft, utilizes 1 back of the body cap of transmission shaft to fix fixed bolster board 2 at 1 axle head of transmission shaft.

The utility model discloses a preferred but not restrictive embodiment, fixed bolster board 2 still can set to the disconnect-type structure, including support curb plate I21, support curb plate II 22, support curb plate I21, II 22 mutual symmetries of support curb plate, the inboard is circular-arc, and the outside all is provided with surveyor's level 7.

The utility model relates to a preferred but not restrictive embodiment, support curb plate I21, support curb plate II 22 inboard still are provided with spring washer 8, spring washer 8 inboard through spring 9 with support curb plate I21, support curb plate II 22 are connected, and the outside is fixed with the laminating of transmission shaft 1.

The utility model relates to a preferred but not restrictive embodiment, the left and right sides overhang of support curb plate I21, support curb plate II 22 all is provided with the screw thread through-hole, follows bolt I23 realize in the through-hole that support curb plate I21 inserted support curb plate II 22 the fixed connection of support curb plate I21, support curb plate II 22, control bolt I23 is in the distance of screw thread through-hole, adjusts relative distance between support curb plate I21, the support curb plate II 22.

In a preferred but nonlimiting embodiment of the present invention, the upper and lower bilateral symmetry of the fixed support plate 2 is provided with adjusting nuts 4, and the position of the fixed support plate 2 on the connecting member is adjusted by the adjusting nuts 4.

In a preferred but nonlimiting embodiment of the present invention, the clamping assembly is made of a bolt ii 5 and fixed to the threaded through hole of the mechanical seal 6, and a fastening nut 51 is provided on the bolt ii 5.

In a preferred but nonlimiting embodiment of the present invention, the bottom of the connecting member is provided with a snare assembly 31, the snare assembly 31 is sleeved on the bolt ii 5, and is located between the fastening nut 51 and the mechanical seal 6, and is fixed on the bolt ii 5 through the fastening nut 51.

In a preferred but non-limiting embodiment of the invention, the adjusting nut 4 is rotated, and the mechanical seal 6 is withdrawn upwards along the drive shaft 1.

When carrying out 6 dismantlements operations of mechanical seal, fix the mounting panel at 1 axle head of transmission shaft now, utilize 1 back of the body cap of transmission shaft to strengthen fixedly: directly clamping and sleeving the integrated fixed support plate 2 at the shaft end of the transmission shaft 1, then installing the screw 3 in place, and determining the height position of the fixed support plate 2 through the adjusting nut 4; for the separated fixed support plate 2, firstly, the elastic washer 8 is ensured to be tightly attached to the transmission shaft 1, then bolts between the support side plate I21 and the support side plate II 22 are adjusted to fasten the support side plate on the outer side surface of the shaft 1, then the screw rod 3 is installed in place, and the height position of the fixed support plate 2 is determined through the adjusting nut 4; in the two fixing support plate mounting modes, the state of the level 7 on the fixing support plate 2 needs to be observed, so that the stability of the fixing support plate 2 is ensured; at the moment, the bolt II 5 is fixed in the through hole thread of the mechanical seal 6, then the bolt II 5 is fixed by a fastening nut 51, the snare assembly 31 at the bottom of the screw rod 3 is sleeved on the fastening nut 51, and the assembly of the disassembling tool is completed; when the mechanical seal who carries out different footpaths dismantles the operation, be located spring 9 and elastic washer 8 on support curb plate I21, the support curb plate II can make corresponding change along with the change in footpath, can also get into the degree of depth between I21, the support curb plate II of support curb plate through the control bolt simultaneously and can adjust the distance between two curb plates, at this moment, spring 9 and elastic washer 8 on I21, the support curb plate II of support curb plate can take place compression deformation along with the expansion in footpath, and then have enlarged the detachable range. When the mechanical seal 6 is disassembled, two persons can simultaneously rotate the adjusting nut 4 on the screw rod 3 to easily withdraw the mechanical seal 6 from the transmission shaft 1. The utility model discloses simple structure, it is easy and simple to handle, labour saving and time saving, repeatedly usable is applicable to multiple rotating equipment and obtains the needs that mechanical seal changed moreover. The field application shows that the tool has the advantages of convenient and flexible operation, high efficiency, rapidness, low manufacturing cost and short maintenance period.

In the above description, it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A quick-release tool for mechanical seal is characterized by comprising a fixed support plate arranged perpendicular to a transmission shaft, a clamping assembly arranged on the mechanical seal at the bottom of the transmission shaft, and a connecting piece parallel to the transmission shaft; the fixed support plate is provided with a level gauge; the connecting piece for 2 use the transmission shaft as central bilateral symmetry and set up in fixed bolster board with the screw rod between the chucking subassembly, the top is connected fixed bolster board, the bottom is connected the chucking subassembly.

2. The tool for quickly disassembling a mechanical seal according to claim 1, wherein the fixed support plate is made of a rectangular steel plate, a corresponding through hole is formed in the center of the fixed support plate according to the diameter of the transmission shaft, and the fixed support plate is fixed to the end of the transmission shaft by a transmission shaft back cap.

3. The mechanical seal quick-release tool as claimed in claim 1, wherein the fixed support plate is further configured to be a separable structure, and includes a support side plate I and a support side plate II, the support side plate I and the support side plate II are symmetrical to each other, the inner side of the support side plate I and the inner side of the support side plate II are both arc-shaped, and the outer side of the support side plate I and the outer side of the support side plate II are both provided with a level.

4. The mechanical seal quick-release tool is characterized in that elastic washers are further arranged on the inner sides of the support side plate I and the support side plate II, the inner sides of the elastic washers are connected with the support side plate I and the support side plate II through springs, the outer sides of the elastic washers are fixedly attached to a transmission shaft, and the elastic washers deform correspondingly along with the size of the shaft diameter.

5. The quick-release tool for mechanical seal according to claim 4, characterized in that the protruding ends of the left side and the right side of the bracket side plate I and the bracket side plate II are provided with threaded through holes, a bolt I is inserted into the through holes of the bracket side plate I and the bracket side plate II to fixedly connect the bracket side plate I and the bracket side plate II, the distance of the bolt I in the threaded through holes is controlled, and the relative distance between the bracket side plate I and the bracket side plate II is adjusted.

6. The tool for quickly disassembling a mechanical seal according to claim 1, wherein the upper and lower sides of the fixed support plate are symmetrically provided with adjusting nuts, and the position of the fixed support plate on the connecting member is adjusted by the adjusting nuts.

7. The tool for quickly disassembling the mechanical seal of claim 1, wherein the clamping assembly is made of a bolt II, is fixed on the threaded through hole of the mechanical seal, and is provided with a fastening nut.

8. The tool for quickly disassembling the mechanical seal according to claim 7, wherein a collar assembly is disposed at the bottom of the connecting member, and the collar assembly is sleeved on the bolt II and located between the fastening nut and the mechanical seal, and is fixed on the bolt II through the fastening nut.