CN204997601U - Mechanical seal extracting tool of pump - Google Patents
Mechanical seal extracting tool of pump Download PDFInfo
- Publication number
- CN204997601U CN204997601U CN201520581004.3U CN201520581004U CN204997601U CN 204997601 U CN204997601 U CN 204997601U CN 201520581004 U CN201520581004 U CN 201520581004U CN 204997601 U CN204997601 U CN 204997601U
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- China
- Prior art keywords
- pump
- shaped support
- extracting tool
- mechanical seal
- push rod
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Abstract
The utility model provides a mechanical seal extracting tool of pump, includes U -shaped support (1) and ejector pin (3) according to the mechanical seal specification model design of pump, its characterized in that: U -shaped support (1) is a steel bracket, and the width of two support feet of U -shaped support open end is fit for supporting in flange (2) surface, ejector pin (3) are a full screw rod, and the direct screw thread rather than complex U -shaped support closed end steel sheet center is passed in ejector pin (3), and the one end of ejector pin (3) is equipped with nut (5), and rotation nut (5) enables ejector pin (3) and extends in the U -shaped support or return and contract. The utility model discloses a mechanical seal extracting tool of pump has mechanical seal extracting tool of pump simple structure, preparation convenience, improves mechanical seal maintenance method, improves maintenance quality, maintenance efficiency and the difficult advantage that causes the secondary damage to equipment.
Description
Technical field
The utility model relates to a kind of extracting tool of machine part, specifically, is a kind of mechanical sealing member extracting tool of pump.
Background technology
The mechanical seal of pump plays dynamic sealing action in pump apparatus, prevents the fluid media (medium) in pump spiral case by a kind of device outside pump rotating shaft efflux pump.Mechanical seal mainly contains following four base part compositions: 1. main seal: rotating ring and stationary ring; 2. auxiliary sealing member: sealing ring; 3. compressing member: spring, throw-out collar; 4. driving member: spring base and key or hold-down screw.The operation principle of mechanical seal is bonded to each other perpendicular to the smooth and straight surface of rotating shaft by two pieces of potted components (rotating ring and stationary ring), and the sealing device relatively rotating and form, it leans on the pressure of elastic component (spring) and sealing medium above to produce suitable thrust at the contact surface (end face) of the rotating ring rotated and stationary ring, and these two end faces are fitted tightly.The mechanical seal of pump belongs to one of accurate, that structure is comparatively complicated Mechanical Fundamentals element, is the key device of pump machines.
But the mechanical seal of usual pump faces a dismounting difficult problem when overhauling, and overhaul efficiency is low, and even mechanical seal causes damage because method for dismounting is improper.
The mechanical seal of therefore known pump also exists above-mentioned all inconvenience and problem in maintenance, dismounting.
Summary of the invention
The purpose of this utility model, is the mechanical sealing member extracting tool of the pump proposing a kind of La Mashi.
For achieving the above object, technical solution of the present utility model is:
A mechanical sealing member extracting tool for pump, comprises the U-shaped support according to the mechanical seal specification type design of pump and push rod, it is characterized in that:
Described U-shaped support is a steel bracket, the width of the two stands pin of U-shaped carrier openings end is applicable to being supported in flange surface, two stands pin vertical welding is fixed on a flange surface, flange surface is provided with some screws, described screw mates with the screw of the mechanical sealing member of pump, and can with bolted, to be connected and fixed U-shaped support and seal when using state; The steel plate center of U-shaped support closed end is provided with straight-through screw thread;
Described push rod is one full screw rod, and push rod is through the straight-through screw thread at the U-shaped support closed end steel plate center be mated, and one end of push rod is provided with nut, and rotating nut can make push rod stretch in U-shaped support or bounce back.
The mechanical sealing member extracting tool of pump of the present utility model can also be further achieved by the following technical measures.
The mechanical sealing member extracting tool of aforesaid pump, the center bore of wherein said flange is greater than pump shaft diameter.
The mechanical sealing member extracting tool of aforesaid pump, the other end of wherein said push rod is arranged to conical push rod head.
After adopting technique scheme, the mechanical sealing member extracting tool of pump of the present utility model has the following advantages:
1, the mechanical sealing member extracting tool structure of pump is simple, easy to make;
2, improve mechanical sealing member method for maintaining, improve repair quality and maintenance efficiency;
3, not easily secondary damage is caused to equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation of the mechanical sealing member extracting tool of the pump of the utility model embodiment;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the using state schematic diagram of the mechanical sealing member extracting tool of the pump of the utility model embodiment.
In figure: 1U shape support, 2 flanges, 3 push rods, 4 screws, 5 nuts, 6 seals, 7 pump shafts, 8 bolts.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing thereof, the utility model is illustrated further.
Embodiment 1
A mechanical sealing member extracting tool for pump, comprises the U-shaped support 1 according to the mechanical seal specification type design of pump and push rod 3.
Now refer to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of the mechanical sealing member extracting tool of the pump of the utility model embodiment, and Fig. 2 is the top view of Fig. 1.As shown in the figure, described U-shaped support 1 is a steel bracket, the width of the two stands pin of U-shaped carrier openings end is applicable to being supported in flange 2 surface, two stands pin vertical welding is fixed on flange 2 surface, flange 2 surface is provided with six screws 4, described screw 4 mates with the screw of the mechanical sealing member 6 of pump, and can be fastening with bolt 8, to be connected and fixed U-shaped support 1 and seal when using state; The steel plate center of U-shaped support closed end is provided with straight-through screw thread; The center bore of described flange 2 is greater than pump shaft diameter.
Described push rod 3 is one full screw rod, push rod 3 is through the straight-through screw thread at the U-shaped support closed end steel plate center be mated, one end of push rod 3 is provided with nut 5, and rotating nut 5 can make push rod 3 stretch in U-shaped support or bounce back, and the other end of described push rod 3 is arranged to conical push rod head.Form a kind of mechanical sealing member extracting tool drawing the pump of horse form thus.
Embodiment 2
The using method of the mechanical sealing member extracting tool of the pump of the utility model embodiment is as follows:
The mechanical seal of mechanical seal extracting tool to Mechanical Sealed Type pump designed and produced as the pump in embodiment 1 is removed.Method for dismounting is: first opened by the mechanical seal cover of pump, the fixing hexagon socket head cap screw of release mechanism moving sealing ring, then the mechanical seal extracting tool flange of pump docked with mechanical sealing linkage ring end face and use bolted (flange is identical with mechanical sealing linkage ring face size, pitch is identical), finally rotating push rod with the rotating shaft center of pump for mechanical seal is extracted by fulcrum with double offset ring spanner.The rotating shaft of pump and mechanical seal are tight fits, and the extracting tool dismounting mechanical seal utilizing development is for mechanical seal is slowly extracted axle by fulcrum by rotating shaft.
The utility model has substantive distinguishing features and significant technological progress, and the mechanical sealing member extracting tool of pump of the present utility model effectively can solve the axle of pump and hold the less dismounting problem in wall space, mechanical seal chamber, improves repair quality and the maintenance efficiency of pump; Meanwhile, not easily secondary damage is caused to pumping unit.
Above embodiment is only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique, when not departing from spirit and scope of the present utility model, can also make various conversion or change.Therefore, all equivalent technical schemes also should belong to category of the present utility model, should be limited by each claim.
Claims (3)
1. a mechanical sealing member extracting tool for pump, comprises the U-shaped support (1) according to the mechanical seal specification type design of pump and push rod (3), it is characterized in that:
Described U-shaped support (1) is a steel bracket, the width of the two stands pin of U-shaped carrier openings end is applicable to being supported in flange (2) surface, two stands pin vertical welding is fixed on a flange (2) surface, flange (2) surface is provided with some screws (4), described screw (4) mates with the screw of the mechanical sealing member (6) of pump, and can be fastening with bolt (8), to be connected and fixed U-shaped support (1) and seal when using state; The steel plate center of U-shaped support closed end is provided with straight-through screw thread;
Described push rod (3) is one full screw rod, and push rod (3) is through the straight-through screw thread at the U-shaped support closed end steel plate center be mated, and one end of push rod (3) is provided with nut (5), and rotating nut (5) can make push rod (3) stretch in U-shaped support or bounce back.
2. the mechanical sealing member extracting tool of pump as claimed in claim 1, it is characterized in that, the center bore of described flange (2) is greater than pump shaft diameter.
3. the mechanical sealing member extracting tool of pump as claimed in claim 1, it is characterized in that, the other end of described push rod (3) is arranged to conical push rod head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520581004.3U CN204997601U (en) | 2015-08-05 | 2015-08-05 | Mechanical seal extracting tool of pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520581004.3U CN204997601U (en) | 2015-08-05 | 2015-08-05 | Mechanical seal extracting tool of pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204997601U true CN204997601U (en) | 2016-01-27 |
Family
ID=55154506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520581004.3U Active CN204997601U (en) | 2015-08-05 | 2015-08-05 | Mechanical seal extracting tool of pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204997601U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114763805A (en) * | 2021-01-13 | 2022-07-19 | 中国航发商用航空发动机有限责任公司 | Aeroengine, aeroengine air inlet cone and fastening kit thereof |
-
2015
- 2015-08-05 CN CN201520581004.3U patent/CN204997601U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114763805A (en) * | 2021-01-13 | 2022-07-19 | 中国航发商用航空发动机有限责任公司 | Aeroengine, aeroengine air inlet cone and fastening kit thereof |
| CN114763805B (en) * | 2021-01-13 | 2024-06-07 | 中国航发商用航空发动机有限责任公司 | Aeroengine, aeroengine air inlet cone and fastening suite thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |