CN209569316U - A kind of sewage treatment Special submersible pump speed reducer - Google Patents

A kind of sewage treatment Special submersible pump speed reducer Download PDF

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Publication number
CN209569316U
CN209569316U CN201822112905.4U CN201822112905U CN209569316U CN 209569316 U CN209569316 U CN 209569316U CN 201822112905 U CN201822112905 U CN 201822112905U CN 209569316 U CN209569316 U CN 209569316U
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CN
China
Prior art keywords
cavity
input shaft
seal
cabinet
installation cavity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201822112905.4U
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Chinese (zh)
Inventor
钱雨
李娟�
钱雷鸣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Rui Xing Speed Reducer Co Ltd
Original Assignee
Jiangsu Rui Xing Speed Reducer Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu Rui Xing Speed Reducer Co Ltd filed Critical Jiangsu Rui Xing Speed Reducer Co Ltd
Priority to CN201822112905.4U priority Critical patent/CN209569316U/en
Application granted granted Critical
Publication of CN209569316U publication Critical patent/CN209569316U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of sewage treatment Special submersible pump speed reducer, including cabinet and the input shaft and output shaft that are rotatably dispose on cabinet, seal chamber at input shaft runs through on the outside of cabinet to box inside along the axis of input shaft, it is sealing element installation cavity that seal chamber, which is located in the box body one end, the first combination seal is equipped between input shaft and sealing element installation cavity, the other end of seal chamber is flange installation cavity, flange is installed in flange installation cavity by the installation set being sheathed on input shaft, the second combination seal is equipped between input shaft and installation set, also there are a cavitys between flange installation cavity and sealing element installation cavity, cavity is sealed off by the first combination seal and cabinets cavity, cavity is sealed off by the second combination seal and cabinet outer space.After the utility model leak occurs, sewage can be prevented to be directly entered in cabinet, thus the whole service life of prolonged deceleration machine appropriate.

Description

A kind of sewage treatment Special submersible pump speed reducer
Technical field
The utility model is specifically related to a kind of sewage treatment Special submersible pump speed reducer.
Background technique
Immersible pump speed reducer is the speed reducer of diving operation, and use environment is special, and due to being in underwater operation, speed reducer is defeated It is high to two-way leakproof seal requirement to enter end and output end, still, the sealing device of input terminal and output end still can damage, work Personnel cannot learn the generation of leak at the first time, and the sewage of processing can enter in the cabinet of speed reducer, influence to slow down in cabinet The operating of mechanism, to influence the whole service life of speed reducer.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of sewage treatment Special submersible pump speed reducer, leak After generation, it can be avoided sewage and be directly entered in cabinet the operating of the deceleration mechanism in decelerating chassis body is had an impact, thus The whole service life of prolonged deceleration machine appropriate.
The utility model adopts the following technical solution:
A kind of sewage treatment Special submersible pump speed reducer, including cabinet and the input shaft being rotatably dispose on cabinet and defeated Shaft, the cabinet, which is located at input shaft and output shaft, is respectively equipped with the identical seal chamber of structure, and structure phase is equipped in seal chamber Same sealing element, the seal chamber at input shaft runs through on the outside of cabinet to box inside along the axis of input shaft, described close It is sealing element installation cavity that envelope chamber, which is located in the box body one end, and the first combination sealing is equipped between input shaft and sealing element installation cavity Part, the other end of the seal chamber are flange installation cavity, and flange, which is installed on flange by the installation set being sheathed on input shaft, pacifies In behaveing affectedly, it is additionally provided with gasket between the inner wall and installation set of the flange installation cavity, the is equipped between input shaft and installation set Two combination seals, also there are a cavity between flange installation cavity and sealing element installation cavity, the cavity is close by the first combination Sealing and cabinets cavity seal off, and the cavity is sealed off by the second combination seal and cabinet outer space.
Preferably, the outer wall of the installation set in flange installation cavity is circumferentially with rotary table briquetting, sets on the gasket There is the inverted round stage chamber matched with rotary table briquetting, flange is by the bolt fastening of parallel input shaft axial direction on the outside of flange installation cavity Cabinet on.
Preferably, the leakage inductive device for incuding leak in cavity, the side wall of the cavity are additionally provided in the cavity On be also provided with the through-hole being connected to cavity, the alarm that the leakage inductive device passes through on the conducting wire and bank base that pass through through-hole connects It connects, the fit sealing device for sealing cavity is equipped in the through-hole.
Preferably, the through-hole is located at the cavity that one end on the outside of cabinet is greater than through-hole equipped with diameter, the fit sealing Device includes being located in cavity and being sheathed on the rubber sleeve on conducting wire and be sheathed on conducting wire and be threadedly connected to cavity opening Rubber sleeve is pressed in cavity by the gland at place, the gland.
Preferably, the leakage inductive device is leakage inductive rope, and the leakage inductive rope is arranged around the spiral inner wall of cavity.
Preferably, it is fixed with and is sheathed on positioned at the junction of sealing element installation cavity and cavity in the sealing element installation cavity First bearing on input shaft, the interior junction positioned at flange installation cavity and cavity of the flange installation cavity, which is fixed with, to be sheathed on Second bearing on input shaft is located in the box body input shaft end and is rotated on cabinet by 3rd bearing, the input shaft It is supported in the cabinet by first bearing, second bearing and 3rd bearing.
Preferably, the sealing element installation cavity is located in the box body end equipped with the first seam allowance ring, and first combination is close For sealing between the first seam allowance ring and first bearing, one end of the installation set is resisted against the second bearing in flange installation cavity On, the other end of the installation set is equipped with the second seam allowance ring, and second combination seal is located at the second seam allowance ring and the second axis Between holding.
Preferably, first combination seal include the first polytetrafluoroethylene (PTFE) ring seal for being successively sheathed on input shaft and Mechanical seal, the first polytetrafluoroethylene (PTFE) ring seal are resisted against the surface of first bearing, and the mechanical seal is resisted against first and stops The inner surface of choma, second combination seal include the second polytetrafluoroethylene (PTFE) ring seal and bone being successively sheathed on input shaft Frame oil sealing, the second polytetrafluoroethylene (PTFE) ring seal are resisted against the inner surface of the second seam allowance ring, and the outside framework oil seal is resisted against second The surface of bearing.
The utility model has the beneficial effects that service life and leakproofness of the utility model due to the second combination seal The first combination seal can be better than, the first combination seal can be damaged preferentially, and after leak occurs, sewage is from cabinet outer space The first combination seal by damage enters cavity, but not is directly entered in cabinet, being capable of a degree of prevention sewage It is directly entered in cabinet and the operating of the deceleration mechanism in decelerating chassis body is had an impact, it is close that when maintenance only needs to change the first combination Sealing, thus the whole service life of prolonged deceleration machine appropriate;Leakage inductive device is additionally provided in cavity can first Time senses the generation of leak in cavity, and signal is uploaded to the alarm in bank base by conducting wire, allows work in bank base Personnel understand the case where leak at the first time, carry out on-call maintenance.
Detailed description of the invention
Attached drawing is used to provide the preferred understanding to the utility model, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the structure of the utility model cavity and the first combination seal of both ends and the second combination seal junction Schematic diagram;
Structural schematic diagram when Fig. 3 is the utility model rotary table briquetting and gasket cooperation;
Fig. 4 is structural schematic diagram when the utility model rotary table briquetting is separated with gasket;
Fig. 5 is the structural schematic diagram of the utility model fit sealing device and connecting position of wires.
Specific embodiment
Specific embodiment of the present utility model is described with reference to the accompanying drawing.
As shown in Figures 1 to 5, be the present embodiment a kind of sewage treatment Special submersible pump speed reducer, including cabinet 1 and The input shaft 2 and output shaft 3 being rotatably dispose on cabinet 1, cabinet 1 is interior to be equipped with deceleration mechanism, and input shaft 2 is passed by deceleration mechanism Dynamic output shaft 3, cabinet 1, which is located at input shaft 2 and output shaft 3, is respectively equipped with the identical seal chamber of structure, is equipped with and ties in seal chamber The identical sealing element of structure, the seal chamber at input shaft 2 pass through on the inside of 1 outside to cabinet 1 of cabinet along the axis of input shaft 2 It wears, it is sealing element installation cavity 4 that seal chamber, which is located at one end in cabinet 1, and first is equipped between input shaft 2 and sealing element installation cavity 4 Combination seal 5, the other end of seal chamber are flange installation cavity 6, and flange 7 is installed by the installation set 8 being sheathed on input shaft 2 In in flange installation cavity 6, being additionally provided with gasket 9 between the inner wall and installation set 8 of flange installation cavity 6, input shaft 2 and installation set 8 Between be equipped with the second combination seal 10, also there are a cavity 11, cavitys 11 between flange installation cavity 6 and sealing element installation cavity 4 It is isolated by the first combination seal 5 with 1 bore seal of cabinet, cavity 11 passes through the second combination seal 10 and 1 outside of cabinet Space sealing isolation, the sealing performance of the second combination seal 10 are better than the first combination seal 5,5 meeting of the first combination seal Preferential damage, after leak occurs, first combination seal 5 of the water from 1 outer space of cabinet by damage enters cavity 11;
It is additionally provided with the leakage inductive device 15 for incuding leak in cavity 11 in cavity 11, is also opened up on the side wall of cavity 11 There is the through-hole 16 being connected to cavity 11, the alarm on conducting wire 17 and bank base of the leakage inductive device 15 by passing through through-hole 16 connects It connects, leakage inductive device 15 senses in cavity 11 after leak, and signal is uploaded to the alarm in bank base by conducting wire 17, allows bank The case where staff on base understands leak at the first time, carries out on-call maintenance, sewage is avoided to enter in cabinet 1 to cabinet 1 The operating of interior deceleration mechanism has an impact;It is equipped with the fit sealing device for sealing cavity 11 in through-hole 16, avoids sewage Enter in cavity 11 from conducting wire 17.
The outer wall of installation set 8 in flange installation cavity 6 is circumferentially with rotary table briquetting 12, and gasket 9 is equipped with and circle The inverted round stage chamber 13 that platform briquetting 12 matches, flange 7 are anchored on flange installation cavity 6 by the axial bolt 14 of parallel input shaft 7 On the cabinet 1 in outside, flange 7 is pressed in flange installation cavity 6 by bolt 14, and rotary table briquetting 12 passes through the conical surface and gasket 9 Inverted round stage chamber 13 couples, and realizes sealing.
One end that through-hole 16 is located at 1 outside of cabinet is equipped with the cavity 18 that diameter is greater than through-hole 16, and fit sealing device includes In cavity 18 and the rubber sleeve 19 that is sheathed on conducting wire 17 and it is sheathed on conducting wire 17 and is threadedly connected to cavity 18 and open Gland 20 at mouthful, rubber sleeve 19 is pressed in cavity 18 by gland 20, after installing, tightens gland 20, gland 20 squeezes rubber Gum cover 19 deforms rubber sleeve 19, and 19 deformable filler of rubber sleeve expires the gap between conducting wire 17 and cavity 18, realizes at conducting wire 17 Sealing.
Leakage inductive device 15 is commercially available leakage inductive rope, using the electric conductivity of water, when leak occurs, and after water contact, Two lines of induction on leakage inductive rope are shorted, so that the electric signal of curent change occur, are transmitted in bank base by conducting wire 17 Alarm realize alarm, leakage inductive rope is arranged around the spiral inner wall of cavity 11, and no matter speed reducer is towards horizontal or vertical side To installation, can be sensed at the first time by leakage inductive rope.
It is fixed in sealing element installation cavity 4 positioned at the junction of sealing element installation cavity 4 and cavity 11 and is sheathed on input shaft 2 On first bearing 21, be fixed with positioned at the junction of flange installation cavity 6 and cavity 11 in flange installation cavity 6 and be sheathed on input Second bearing 22 on axis 2, input shaft 2 are supported in cabinet 1 by first bearing 21 and second bearing 22, the branch of input shaft 2 Support effect is more preferable, and rotating property is guaranteed.
Sealing element installation cavity 4 is located at the end in cabinet 1 equipped with the first seam allowance ring 23, and the first combination seal 5 is located at the Between one seam allowance ring 23 and first bearing 21, one end of installation set 8 is resisted against in the second bearing 22 in flange installation cavity 6, peace The other end of encapsulation 8 is equipped with the second seam allowance ring 24, the second combination seal 10 be located at the second seam allowance ring 24 and second bearing 22 it Between.
First combination seal 5 includes that the first polytetrafluoroethylene (PTFE) ring seal 25 being successively sheathed on input shaft 2 and machinery are close Envelope 26, the first polytetrafluoroethylene (PTFE) ring seal 25 is resisted against the surface of first bearing 21, and mechanical seal 26 is resisted against the first seam allowance ring 23 Inner surface, the second combination seal 10 includes the second polytetrafluoroethylene (PTFE) ring seal 27 and skeleton that are successively sheathed on input shaft 2 Oil sealing 28, the second polytetrafluoroethylene (PTFE) ring seal 27 are resisted against the inner surface of the second seam allowance ring 24, and outside framework oil seal 28 is resisted against the second axis 22 surface is held, the short-term cost performance of outside framework oil seal 28 is high, but is unfavorable for long working, and service life is short, the first combination sealing Part 5 is better than the mechanical seal 26 of outside framework oil seal 28 using service life and sealing performance, after leak occurs, replaces outside framework oil seal 28, it can guarantee the working environment of mechanical seal 26, can come to the greatest extent according to the service life of mechanical seal 26 Work.
Working principle of the utility model is:
Since the service life and sealing performance of the second combination seal 10 are better than the first combination seal 5, first group Close sealing element 5 can preferentially damage, occur leak after, sewage from 1 outer space of cabinet by damage the first combination seal 5 into Enter cavity 11, a degree of sewage can be prevented to be directly entered the operating in cabinet 1 to the deceleration mechanism in decelerating chassis body It has an impact, when maintenance only needs to change the first combination seal 5, so that the entirety of prolonged deceleration machine appropriate uses the longevity Life;
Leakage inductive device 15 in cavity 11 can sense the generation of leak in cavity 11 at the first time, pass through conducting wire 17 Signal is uploaded to the alarm in bank base, the case where staff allowed in bank base understands leak at the first time, is carried out timely Maintenance.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.It is all Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in practical Within novel protection scope.

Claims (8)

1. a kind of sewage treatment Special submersible pump speed reducer, including cabinet and the input shaft being rotatably dispose on cabinet and output Axis, the cabinet, which is located at input shaft and output shaft, is respectively equipped with the identical seal chamber of structure, and it is identical that structure is equipped in seal chamber Sealing element, seal chamber at input shaft runs through on the outside of cabinet to box inside along the axis of input shaft, the sealing It is sealing element installation cavity that chamber, which is located in the box body one end, and the first combination seal is equipped between input shaft and sealing element installation cavity, The other end of the seal chamber is flange installation cavity, and flange is installed on flange installation cavity by the installation set being sheathed on input shaft It is interior, it is additionally provided with gasket between the inner wall and installation set of the flange installation cavity, second group is equipped between input shaft and installation set Sealing element is closed, also there are a cavity between flange installation cavity and sealing element installation cavity, the cavity passes through the first combination seal It is sealed off with cabinets cavity, the cavity is sealed off by the second combination seal and cabinet outer space.
2. a kind of sewage treatment Special submersible pump speed reducer according to claim 1, which is characterized in that be located at flange and install The outer wall of intracavitary installation set is circumferentially with rotary table briquetting, and the gasket is equipped with the inverted round stage matched with rotary table briquetting Chamber, flange is by the bolt fastening of parallel input shaft axial direction on cabinet on the outside of the flange installation cavity.
3. a kind of sewage treatment Special submersible pump speed reducer according to claim 1 or 2, which is characterized in that the cavity Inside be additionally provided with the leakage inductive device for incuding leak in cavity, be also provided on the side wall of the cavity be connected to cavity it is logical Hole, the leakage inductive device are connected by the alarm on the conducting wire and bank base of through-hole, are equipped in the through-hole for close Seal the fit sealing device of cavity.
4. a kind of sewage treatment Special submersible pump speed reducer according to claim 3, which is characterized in that the through-hole is located at One end on the outside of cabinet is equipped with the cavity that diameter is greater than through-hole, and the fit sealing device includes being located in cavity and being sheathed on to lead Rubber sleeve on line and it is sheathed on conducting wire and is threadedly connected to the gland at cavity opening, the gland compresses rubber sleeve In in cavity.
5. a kind of sewage treatment Special submersible pump speed reducer according to claim 3, which is characterized in that the leakage inductive Device is leakage inductive rope, and the leakage inductive rope is arranged around the spiral inner wall of cavity.
6. a kind of sewage treatment Special submersible pump speed reducer according to claim 4 or 5, which is characterized in that the sealing Junction in part installation cavity positioned at sealing element installation cavity and cavity is fixed with the first bearing being sheathed on input shaft, described Junction in flange installation cavity positioned at flange installation cavity and cavity is fixed with the second bearing being sheathed on input shaft, is located at The intracorporal input shaft end of case is rotated on cabinet by 3rd bearing, the input shaft by first bearing, second bearing and 3rd bearing is supported in the cabinet.
7. a kind of sewage treatment Special submersible pump speed reducer according to claim 6, which is characterized in that the sealing element peace It behave affectedly and is located in the box body end equipped with the first seam allowance ring, first combination seal is located at the first seam allowance ring and first bearing Between, one end of the installation set is resisted against in the second bearing in flange installation cavity, and the other end of the installation set is equipped with the Two seam allowance rings, second combination seal is between the second seam allowance ring and second bearing.
8. a kind of sewage treatment Special submersible pump speed reducer according to claim 7, which is characterized in that first combination Sealing element includes the first polytetrafluoroethylene (PTFE) ring seal being successively sheathed on input shaft and mechanical seal, first polytetrafluoroethylene (PTFE) Ring seal is resisted against the surface of first bearing, and the mechanical seal is resisted against the inner surface of the first seam allowance ring, and second combination is close Sealing includes the second polytetrafluoroethylene (PTFE) ring seal and outside framework oil seal being successively sheathed on input shaft, second polytetrafluoroethylene ring Envelope is resisted against the inner surface of the second seam allowance ring, and the outside framework oil seal is resisted against the surface of second bearing.
CN201822112905.4U 2018-12-17 2018-12-17 A kind of sewage treatment Special submersible pump speed reducer Expired - Fee Related CN209569316U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822112905.4U CN209569316U (en) 2018-12-17 2018-12-17 A kind of sewage treatment Special submersible pump speed reducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822112905.4U CN209569316U (en) 2018-12-17 2018-12-17 A kind of sewage treatment Special submersible pump speed reducer

Publications (1)

Publication Number Publication Date
CN209569316U true CN209569316U (en) 2019-11-01

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ID=68329972

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822112905.4U Expired - Fee Related CN209569316U (en) 2018-12-17 2018-12-17 A kind of sewage treatment Special submersible pump speed reducer

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116804436A (en) * 2023-08-24 2023-09-26 易如可信科技(北京)有限公司 Transmission device for high-oxygen optimized running water equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116804436A (en) * 2023-08-24 2023-09-26 易如可信科技(北京)有限公司 Transmission device for high-oxygen optimized running water equipment
CN116804436B (en) * 2023-08-24 2023-11-17 易如可信科技(北京)有限公司 Transmission device for high-oxygen optimized running water equipment

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20191101

Termination date: 20211217

CF01 Termination of patent right due to non-payment of annual fee