CN210232886U - Steam turbine pneumatic cylinder oil blanket cover dismounting device - Google Patents
Steam turbine pneumatic cylinder oil blanket cover dismounting device Download PDFInfo
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- CN210232886U CN210232886U CN201921312354.4U CN201921312354U CN210232886U CN 210232886 U CN210232886 U CN 210232886U CN 201921312354 U CN201921312354 U CN 201921312354U CN 210232886 U CN210232886 U CN 210232886U
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Abstract
A device for detaching an oil seal sleeve of a hydraulic cylinder of a steam turbine comprises a pull rod seat, a pull rod, a handle, a threaded sleeve and a lower pull ring, wherein the pull rod is vertically and uniformly arranged at the lower part of the pull rod seat; the pull rod seat is of a vertically-arranged cylindrical structure, and the outer circle of the lower part of the pull rod seat is provided with pull ring seat external threads; the utility model provides a technical scheme has reached good effect: the oil seal sleeve dismounting device of the steam turbine hydraulic cylinder supports the end face of the cylinder on the outer side of the oil seal sleeve through the pull rod seat and the pull rod on the upper portion, the oil seal sleeve can be easily dismounted through the matching pulling of the lower pull ring and the rotary screw sleeve, the dismounting efficiency is greatly improved compared with the traditional method, a large amount of time is saved, great convenience is brought to the maintenance of the hydraulic cylinder, and the loss of enterprises is reduced.
Description
Technical Field
The utility model relates to a power generation equipment field, concretely relates to steam turbine pneumatic cylinder oil blanket cover dismounting device.
Background
The large-scale equipment such as valves of power plants, etc. uses the fluid cylinder to open and close parts such as steam valves of the steam turbine, etc. because the working environment of the steam turbine is very bad, the temperature is high, the dust is large, the sealing ring at the top rod end of the fluid cylinder is very easy to wear and age, causing the oil leakage at the top rod end of the fluid cylinder, affecting the normal use of the fluid cylinder, if the oil leakage occurs, the sealing ring must be replaced in time, the sealing ring is usually arranged at the inner side of the copper oil seal sleeve, the oil seal sleeve is connected with the end of the cylinder barrel of the fluid cylinder, the outer circle at the lower part of the oil seal sleeve is arranged with the inner hole of the cylinder barrel in a small clearance fit way, because the outer circle of the oil seal sleeve has no convenient fixed position for disassembly, the disassembly of the oil seal sleeve can only be knocked by a hammer, the disassembly is, the long-time stop can cause great loss to enterprises; therefore, a device is needed to solve the problem that the inconvenience is brought to maintenance due to the difficulty in disassembling the oil seal sleeve of the cylinder head of the hydraulic cylinder of the existing steam turbine.
SUMMERY OF THE UTILITY MODEL
The utility model provides a steam turbine pneumatic cylinder oil blanket cover dismounting device for solve the problem that current steam turbine pneumatic cylinder head oil blanket cover dismantles the difficulty and brings inconvenience for the maintenance.
The purpose of the utility model is realized by adopting the following technical scheme:
a device for detaching an oil seal sleeve of a hydraulic cylinder of a steam turbine comprises a pull rod seat, a pull rod, a handle, a threaded sleeve and a lower pull ring, wherein the pull rod is vertically and uniformly arranged at the lower part of the pull rod seat; the pull rod seat is of a vertically-arranged cylindrical structure, the outer circle of the lower part of the pull rod seat is provided with pull ring seat external threads, one side of the outer circle of the upper part of the pull rod seat is provided with a handle threaded hole, and the lower end surface of the pull rod seat is uniformly provided with lower pull rod threaded holes; the lower pull ring is a circular ring with a rectangular cross section, pull rod through holes which are communicated up and down are uniformly formed in the upper end face of the lower pull ring, the pull rod through holes correspond to the positions of pull rod threaded holes of an upper pull rod seat, compression threaded through holes are horizontally formed between the pull rod through holes in the excircle of the lower pull ring, compression bolts are arranged in the compression threaded through holes, and a threaded sleeve connecting block is uniformly arranged between the pull rod through holes and the compression threaded through holes on the upper face of the lower pull ring.
The nut is a cylindrical nut, the internal thread of the nut is matched with the external thread of the pull ring seat, wrench counter bores are uniformly formed in the middle of the outer circle of the nut, an annular check ring is arranged at the lower end of the inner side of the nut, and the lower end face of the nut is in contact with the upper surface of the lower pull ring.
The threaded sleeve connecting block is a fan-shaped fixing block, a bolt counter bore is formed in the middle of the upper surface of the threaded sleeve connecting block, a counter bore screw is arranged in the bolt counter bore, the counter bore screw is connected with a lower pull ring of the lower portion through a set threaded hole, an arc-shaped step which is concave inwards is arranged at the lower end of the outer arc surface of the threaded sleeve connecting block, and the arc-shaped step is installed in sliding fit with an annular check ring at the lower end of.
The pull rod is a cylindrical guide rod, the middle of the outer circle of the pull rod is in clearance fit with the pull rod through hole of the lower pull ring, the lower end of the pull rod is provided with a circular baffle, the upper end of the outer circle of the pull rod is provided with pull rod external threads, and the pull rod external threads are correspondingly connected with the lower pull rod threaded hole on the lower end face of the upper pull rod seat.
The handle be circular handle, handle one end is provided with the screw thread axle, screw thread axle and pull rod seat excircle handle screw hole cooperation are connected.
The utility model provides a technical scheme has reached good effect: the oil seal sleeve dismounting device of the steam turbine hydraulic cylinder supports the end face of the cylinder on the outer side of the oil seal sleeve through the pull rod seat and the pull rod on the upper portion, the oil seal sleeve can be easily dismounted through the matching pulling of the lower pull ring and the rotary screw sleeve, the dismounting efficiency is greatly improved compared with the traditional method, a large amount of time is saved, great convenience is brought to the maintenance of the hydraulic cylinder, and the loss of enterprises is reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the lower pull ring in fig. 1.
Fig. 3 is a schematic structural view of the tie rod seat and the tie rod in fig. 1.
In the figure: 1. the pull rod comprises a pull rod seat, 2, a threaded sleeve, 3, a wrench counter bore, 3.1, an annular retainer ring, 4, a pull-down ring, 5, a pull rod, 6, a cylinder barrel, 7, an oil seal sleeve, 8, a compression bolt, 9, a threaded sleeve connecting block, 10, a handle, 11, a counter bore screw, 12, a pull rod through hole, 13 and a handle threaded hole.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings and the detailed description thereof:
as shown in fig. 1, 2 and 3, the device for detaching the oil seal sleeve of the steam turbine hydraulic cylinder comprises a pull rod seat 1, a pull rod 5, a handle 10, a threaded sleeve 2 and a pull-down ring 4, wherein the pull rod seat 1 is of a vertically-arranged cylindrical structure, pull-ring seat external threads are arranged on the outer circle of the lower part of the pull rod seat 1, a handle threaded hole 13 is arranged on one side of the outer circle of the upper part of the pull rod seat 1, and pull-down rod threaded holes are uniformly arranged on the lower end surface of the pull rod seat; the screw sleeve 2 is arranged at the lower part of the outer side of the pull rod seat 1, the screw sleeve 2 is a cylindrical nut, the internal thread of the screw sleeve 2 is matched and installed with the external thread of the pull ring seat, the middle part of the excircle of the screw sleeve 2 is uniformly provided with a wrench counter bore 3, and the lower end of the inner side of the screw sleeve 2 is provided with an annular retainer ring 3.1; the upper end surface of the lower pull ring 4 is in contact with the lower end surface of the upper threaded sleeve 2, compression threaded through holes are horizontally arranged between the pull rod through holes 12 on the excircle of the lower pull ring 4, compression bolts 8 are arranged in the compression threaded through holes, and threaded sleeve connecting blocks 9 are uniformly arranged on the upper surface of the lower pull ring 4 between the pull rod through holes 12 and the compression threaded through holes; the threaded sleeve connecting block 9 is a fan-shaped fixing block, a bolt counter bore is arranged in the middle of the upper surface of the threaded sleeve connecting block 9, a counter bore screw 11 is arranged in the bolt counter bore, the counter bore screw 11 is connected with the upper surface of the lower pull ring 4 at the lower part through a threaded hole, an inward concave arc-shaped step is arranged at the lower end of the outer arc surface of the threaded sleeve connecting block 9, and the arc-shaped step is installed with an annular retainer ring 3.1 at the lower end of the inner side; the pull rod 5 is vertically and uniformly arranged at the lower part of the pull rod seat 1, the pull rod 5 is a cylindrical guide rod, the middle part of the excircle of the pull rod 5 is in clearance fit with the pull rod through hole 12 of the lower pull ring 4, the lower end of the pull rod 5 is provided with a circular baffle plate, the upper end of the excircle of the pull rod 5 is provided with a pull rod external thread, and the pull rod external thread is correspondingly connected with a lower pull rod threaded hole on the lower end surface of the upper pull rod seat 1; the handle 10 is arranged on one side of the upper portion of the excircle of the pull rod seat 1, the handle 10 is a circular handle, a threaded shaft is arranged at one end of the handle 10, and the threaded shaft is connected with a handle threaded hole 13 in the excircle of the pull rod seat 1 in a matched mode.
When the device for detaching the oil seal sleeve of the steam turbine hydraulic cylinder is used, firstly, the upper excircle of the oil seal sleeve 7 to be pulled out is inserted into the inner hole of the lower pull ring 4, the upper excircle of the oil seal sleeve 7 is fixed into the lower pull ring 4 by rotating the compression bolt 8 on the excircle of the lower pull ring 4, the lower surface of the baffle at the lower end of the pull rod 5 is in contact with the upper end surface of the hydraulic cylinder barrel 6, then the wrench counter bore 3 outside the screw sleeve 2 is hooked by a hook wrench to rotate the screw sleeve 2, meanwhile, the handle 10 is held by the other hand, the screw sleeve 2 moves to the upper part, the screw sleeve connecting block 9 at the inner side is pulled by the annular retainer ring 3.1 of the screw sleeve 2 to pull the lower pull ring 4 to the upper part, the oil seal sleeve 7 at the inner side is pulled out slowly by the lower pull ring 4 until the oil seal sleeve 7 is pulled out completely, the compression bolt 8 of the lower.
The part of the utility model not detailed is prior art.
Claims (5)
1. The utility model provides a steam turbine pneumatic cylinder oil blanket cover dismounting device, includes pull rod seat, pull rod, handle, swivel nut and pull-down ring, characterized by: the pull rod is vertically and uniformly arranged at the lower part of the pull rod seat, the handle is arranged at one side of the upper part of the excircle of the pull rod seat, the screw sleeve is arranged at the lower part of the outer side of the pull rod seat, and the lower pull ring is horizontally arranged at the lower part of the screw sleeve; the pull rod seat is of a vertically-arranged cylindrical structure, the outer circle of the lower part of the pull rod seat is provided with pull ring seat external threads, one side of the outer circle of the upper part of the pull rod seat is provided with a handle threaded hole, and the lower end surface of the pull rod seat is uniformly provided with lower pull rod threaded holes; the lower pull ring is a circular ring with a rectangular cross section, pull rod through holes which are communicated up and down are uniformly formed in the upper end face of the lower pull ring, the pull rod through holes correspond to the positions of pull rod threaded holes of an upper pull rod seat, compression threaded through holes are horizontally formed between the pull rod through holes in the excircle of the lower pull ring, compression bolts are arranged in the compression threaded through holes, and a threaded sleeve connecting block is uniformly arranged between the pull rod through holes and the compression threaded through holes on the upper face of the lower pull ring.
2. The device for detaching the oil jacket of the steam turbine hydraulic cylinder according to claim 1, wherein: the nut is a cylindrical nut, the internal thread of the nut is matched with the external thread of the pull ring seat, wrench counter bores are uniformly formed in the middle of the outer circle of the nut, an annular check ring is arranged at the lower end of the inner side of the nut, and the lower end face of the nut is in contact with the upper surface of the lower pull ring.
3. The device for detaching the oil jacket of the steam turbine hydraulic cylinder according to claim 1, wherein: the threaded sleeve connecting block is a fan-shaped fixing block, a bolt counter bore is formed in the middle of the upper surface of the threaded sleeve connecting block, a counter bore screw is arranged in the bolt counter bore, the counter bore screw is connected with a lower pull ring of the lower portion through a set threaded hole, an arc-shaped step which is concave inwards is arranged at the lower end of the outer arc surface of the threaded sleeve connecting block, and the arc-shaped step is installed in sliding fit with an annular check ring at the lower end of.
4. The device for detaching the oil jacket of the steam turbine hydraulic cylinder according to claim 1, wherein: the pull rod is a cylindrical guide rod, the middle of the outer circle of the pull rod is in clearance fit with the pull rod through hole of the lower pull ring, the lower end of the pull rod is provided with a circular baffle, the upper end of the outer circle of the pull rod is provided with pull rod external threads, and the pull rod external threads are correspondingly connected with the lower pull rod threaded hole on the lower end face of the upper pull rod seat.
5. The device for detaching the oil jacket of the steam turbine hydraulic cylinder according to claim 1, wherein: the handle be circular handle, handle one end is provided with the screw thread axle, screw thread axle and pull rod seat excircle handle screw hole cooperation are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921312354.4U CN210232886U (en) | 2019-08-14 | 2019-08-14 | Steam turbine pneumatic cylinder oil blanket cover dismounting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921312354.4U CN210232886U (en) | 2019-08-14 | 2019-08-14 | Steam turbine pneumatic cylinder oil blanket cover dismounting device |
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| Publication Number | Publication Date |
|---|---|
| CN210232886U true CN210232886U (en) | 2020-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921312354.4U Active CN210232886U (en) | 2019-08-14 | 2019-08-14 | Steam turbine pneumatic cylinder oil blanket cover dismounting device |
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| CN (1) | CN210232886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112894708A (en) * | 2021-02-26 | 2021-06-04 | 广西玉柴机器股份有限公司 | Gun dismantling reamer device and method |
-
2019
- 2019-08-14 CN CN201921312354.4U patent/CN210232886U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112894708A (en) * | 2021-02-26 | 2021-06-04 | 广西玉柴机器股份有限公司 | Gun dismantling reamer device and method |
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