CN209532600U - A kind of specific purpose tool for realizing hydraulic point machine flying wheel replacement operation - Google Patents
A kind of specific purpose tool for realizing hydraulic point machine flying wheel replacement operation Download PDFInfo
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- CN209532600U CN209532600U CN201920205404.2U CN201920205404U CN209532600U CN 209532600 U CN209532600 U CN 209532600U CN 201920205404 U CN201920205404 U CN 201920205404U CN 209532600 U CN209532600 U CN 209532600U
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- specific purpose
- purpose tool
- flying wheel
- cylindrical portions
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Abstract
The utility model discloses a kind of specific purpose tools for realizing hydraulic point machine flying wheel replacement operation, specific purpose tool matches with hydraulic point machine flying wheel, specific purpose tool includes the cylindrical portions that match with electric machine main shaft and for controlling pressure spring and can be inserted into the tapering portions in hydraulic point machine inertia wheel bore, cylindrical portions and tapering portions arranged coaxial, tapering portions are truncated cone, the rounded bottom surface of cylindrical portions first end aperture, cylindrical portions second end is equal with the connection of the bottom end of tapering portions and the diameter of the two.The utility model specific purpose tool can control the pressure spring of flying wheel centre bore two sides simultaneously, enable pressure spring disassembly when slow release and install when can slowly depress；When dismantling flying wheel, flying wheel is moved on specific purpose tool, passes through specific purpose tool slow release pressure；When installing flying wheel, principle is consistent, and step is opposite；Unfavorable factor caused by overcoming because of environment substantially increases construction operation efficiency.
Description
Technical field
The utility model relates to hydraulic point machine flying wheel field, in particular to a kind of realization hydraulic point machine flying wheel is more
Change the specific purpose tool of operation.
Background technique
Flying wheel is critical component indispensable in ZYJ7 type electrohydraulic switch machine dynamical system, and the effect of flying wheel is benefit
With itself weight and principle of inertia, the reversion electromotive force after threephase motor powers off is offset, after guaranteeing the normal locking of goat,
Switch indication circuit is worked hard in glove with by automatic lid actuator.If flying wheel inverts, goat once failing after having a power failure it will cause motor
False release after locking, to make loss of indication of a switch.
ZYJ7 type electrohydraulic switch machine substantial amounts account for the 58% of system-wide net main track goat sum, and since flying wheel loses
The switch breakdown that effect causes happens occasionally.When field service personnel discovery flying wheel failure, internal nylon friction is needed replacing
Column and spring are encountered by a problem again at this time: disassembly is easy, but is assembled extremely difficult.As depicted in figs. 1 and 2, existing
Have the dismounting flying wheel method in technology as follows:
(1) demounting procedure: S1, circlip 3 is removed；S2, flying wheel is pushed horizontally outward, disengage it from the motor master of motor 5
Axis 501, disassembly are completed；(2) installation steps: T1, need to be by pressure spring 4 (being additionally provided with pin 1 on the pressure spring) and friction column 2 is in order
It is placed on fixed position inside flying wheel；T2, using two screwdrivers simultaneously by the friction column 2 of flying wheel centre bore two sides from releasing
It puts position and is pressed onto compression position, and remain stationary, flying wheel is set on electric machine main shaft 501；T3, level are pushed home into flying wheel
To bottom, installation is completed.
From the foregoing, it will be observed that dismounting process problem in the prior art is as follows: being analyzed from the structure of flying wheel, due to inertia
The two groups of pressure springs 4 and friction column 2 of two sides in wheel are in compressive state when being mounted on motor shaft.When dismantling flying wheel, when used
Property wheel be detached from main shaft when, with the abrupt release of 4 pressure of pressure spring, the friction column 2 and pressure spring 4 of two sides are all popped up, and cause components
Loss and operator personal injury.In addition, pressure spring 4 and friction column 2 need to be placed in order solid when installing flying wheel
After positioning is set, the friction column of two sides is pressed onto compression position from releasing position simultaneously using two screwdrivers, is remained stationary,
Flying wheel is set on electric machine main shaft again.But the elastic force due to being unable to control pressure spring, the difficulty of this operating procedure is very big,
The probability of success is very low, and an operator is unable to complete substantially.
For these reasons, it researches and develops a kind of flying wheel tool specially for attaching and detaching and its method takes time and effort to solve installation
The problem of it is actually necessary.
Utility model content
The purpose of this utility model is to provide a kind of specific purpose tool of hydraulic point machine flying wheel replacement operation, special tools
Tool can control the pressure springs of two sides simultaneously, enable pressure spring slow release and while installing can slowly depress in disassembly；Work as disassembly
When, flying wheel is first moved on specific purpose tool, professional tool slow release pressure is passed through；When seated, principle is consistent, step
On the contrary, pressure spring can be depressed into specified position by the specific purpose tool using the utility model, then flying wheel is moved to electric machine main shaft
On, so as to quickly and reliably replace flying wheel, the significant effect promoted and applied applies upkeep operation personnel at night
Working hour, unfavorable factor caused by overcoming because of environment substantially increase construction operation efficiency.
In order to achieve the above object, the utility model is achieved through the following technical solutions:
A kind of specific purpose tool for realizing hydraulic point machine flying wheel replacement operation, the specific purpose tool and the hydraulic turn-out track
Machine flying wheel matches, and the specific purpose tool includes the cylindrical portions that match with electric machine main shaft and for controlling pressure spring and can insert
Enter the tapering portions in the hydraulic point machine inertia wheel bore, the cylindrical portions and the tapering portions arranged coaxial, it is described
Tapering portions are truncated cone, the cylindrical portions first end aperture, the rounded bottom surface of the cylindrical portions second end and institute
The diameter of the bottom end connection and the two of stating tapering portions is equal.
Preferably, the internal diameter of the cylindrical portions is equal with the diameter of the electric machine main shaft front end portion；The circle
The hole depth of canister portion point is equal with the length scale of the electric machine main shaft front end portion；The outer diameter of the cylindrical portions and the motor
The diameter of main shaft is equal；The entire length of the cylindrical portions is greater than the length scale of the electric machine main shaft front end portion.
Preferably, the internal diameter of the cylindrical portions is 15mm；The hole depth of the cylindrical portions is 30mm；The cylindrical portions
Outer diameter be 30mm.
Preferably, the entire length of the cylindrical portions is set as 42mm.
Preferably, the entire length of the specific purpose tool is set as 120mm.
Preferably, the diameter on the tapering portions top is equal to spacing when two pressure springs discharge between releasing position.
Preferably, the diameter on the tapering portions top is equal to 10mm.
Preferably, the angle between the bus of the tapering portions and the bus of the cylindrical portions is set as 173 °.
Compared with prior art, the utility model has the following beneficial effects:
(1) the utility model reduces the replacement friction column time at double using specific purpose tool: in the prior art using spiral shell
Silk knife dismounts the flying wheel used time 30-40 minutes；When dismounting flying wheel using the specific purpose tool of the utility model the used time 10 minutes；
(2) when using screwdriver dismounting flying wheel in the prior art, replacement number 22 times is added up within six months, it is average
Used time 35 minutes, required personnel 2 amounted to the used time 1540 minutes；When the specific purpose tool dismounting flying wheel using the utility model
When, average 10 minutes used times, required personnel 1 used time 220 minutes, can save time cost 1320 minutes；
(3) after the utility model is using specific purpose tool disassembly flying wheel, flying wheel can be quickly and reliably replaced, is promoted
And the significant effect of application, make upkeep operation personnel when carrying on construction work at night, unfavorable factor caused by overcoming because of environment reason, greatly
Construction operation efficiency is improved greatly, and hydraulic point machine flying wheel replacement operation method is to improve metro operation service quality, improves society
Meeting benefit is made that due contribution.
Detailed description of the invention
The flying wheel of Fig. 1-Fig. 2 prior art and the structural schematic diagram of motor shaft；
The specific purpose tool structural schematic diagram of Fig. 3-Fig. 4 the utility model flying wheel dismounting；
The flying wheel of Fig. 5-Fig. 6 the utility model and the structural schematic diagram of motor shaft；
The compression position and releasing position schematic diagram of the pressure spring of Fig. 7 the utility model；
The hydraulic point machine flying wheel method for dismounting flow chart of Fig. 8 the utility model；
The hydraulic point machine flying wheel installation method flow chart of Fig. 9 the utility model.
Specific embodiment
In order to keep the utility model more obvious and easy to understand, the utility model is done below in conjunction with the drawings and specific embodiments
It further illustrates.
As Fig. 3-Fig. 6 combine shown in, the utility model provide it is a kind of for dismounting the specific purpose tool 6 of flying wheel, it is dedicated
Tool 6 substitutes screwdriver in the prior art and carries out dismounting flying wheel, and specific purpose tool 6 matches with inertia size of wheel, this is practical
Novel tool specially for attaching and detaching 6 can control the pressure spring 4 of flying wheel centre bore two sides simultaneously, and pressure spring 4 is enable to delay in disassembly
It can slowly be depressed when On The Drug Release and installation；When dismantling flying wheel, flying wheel is first moved on specific purpose tool 6, by special
With tool slow release pressure；When installing flying wheel, principle is consistent, step on the contrary, using the utility model specific purpose tool 6
Pressure spring 4 can be depressed into specified position, then flying wheel is moved on electric machine main shaft 501.
As shown in Figure 3 and Figure 4, moved back and forth between electric machine main shaft 501 and specific purpose tool 6 based on flying wheel, this is practical
Novel tool specially for attaching and detaching 6 is designed to telescoping structure, and the hole size of the telescoping structure needs and electric machine main shaft 501
Relative dimensions matching.
Wherein, telescoping structure includes cylindrical portions 601 and tapering portions 602, cylindrical portions 601 and tapering portions 602
Arranged coaxial, tapering portions 602 are a kind of frustum cone structure (also referred to as truncated cone), and the first end of cylindrical portions 601 offers
The hole of certain depth, the rounded bottom surface of the second end of cylindrical portions 601 and the first end rounded bottom surface (cone cell of tapering portions 602
The rounded bottom surface diameter of the first end of part 602 is greater than the rounded bottom surface diameter of second end, and the first end housing is known as bottom end, second end
Also referred to as top) connection, and the diameter of the two is identical.
In the present embodiment, the internal diameter D2 of cylindrical portions 601 is identical as the diameter B2 size of 501 front end portion of electric machine main shaft,
Preferably, D2=B2=15mm.The hole depth S1 of cylindrical portions 601 is identical as the length A2 of 501 front end portion of electric machine main shaft, preferably
Ground, S1=A2=30mm.The outer diameter D 3 of cylindrical portions 601 is identical as electric machine main shaft diameter B1, it is preferable that D3=B1=30mm.
The entire length S2 of cylindrical portions 601 is slightly larger than the length A2 of 501 front end portion of electric machine main shaft, it is preferable that S2 is set as 42mm.
The length S3 of entire specific purpose tool 6 is set as 120mm.When the second end diameter D1 of tapering portions 602 is discharged according to two pressure springs
Spacing determine that diameter D1 size is equal to the spacing d between releasing position when two pressure springs discharge, to control pressure spring bullet
Power, i.e. D1=d.Preferably, D1=10mm.
The inclination of tapering portions 602 in the present embodiment determines the speed of pressure spring elastic force pressing and release, according to theory
It calculates and repetition test is tested, the angle theta between the bus of tapering portions 602 and the bus of cylindrical portions 601 is set as 173
Degree.
The hydraulic point machine flying wheel replacement operation method of the utility model is as follows:
As shown in figure 8, disassembly process comprises the steps of:
S1, circlip 3 is removed；
S2, by 601 first end cap of cylindrical portions of 6 bottom of specific purpose tool on electric machine main shaft 501, level is pushed into bottom,
Ensure seamless between specific purpose tool 6 and electric machine main shaft 501；
S3, a hand inwardly pin specific purpose tool 6, the outside Level Promoting flying wheel of another hand, by flying wheel from motor
It is all moved on main shaft 501 in the cylindrical portions 601 of 6 bottom of specific purpose tool.
S4, the specific purpose tool 6 with flying wheel is pulled out；
S5, by 602 second end of tapering portions at the top of specific purpose tool 6 downwardly against ground, slowly push down on flying wheel
To ground, specific purpose tool is removed, completes disassembly.
As shown in figure 9, installation comprises the steps of:
T1, the friction column 2 safeguarded and pressure spring 4 are placed in flying wheel internal rules position in order, as shown in figure 5,
Lie in a horizontal plane in ground；
T2, a part in the tapering portions 602 at 6 top of specific purpose tool is downwardly into inertia wheel bore；
T3, both hands thumb push down specific purpose tool 6, and the finger of both hands ten pulls up flying wheel to the circle of 6 bottom of specific purpose tool
At 601 positions of canister portion point；
T4, by 601 sets of cylindrical portions of 6 bottom of specific purpose tool with flying wheel on electric machine main shaft 501, level push-in
On earth, it is ensured that seamless between specific purpose tool 6 and electric machine main shaft 501；
T5, a hand pin professional tool 6, and another hand level slowly inwardly pushes flying wheel, by it from special tool
It is moved on electric machine main shaft 501 on tool 6, then shifts bottom onto；
T6, installation circlip 3, are installed.
The operating method and the prior art that the replacement of hydraulic point machine flying wheel is carried out using specific purpose tool of the utility model
The operation actual effect comparison of screwdriver dismounting is specific as follows:
(1) in terms of security risk: when (a) screwdriver of the prior art dismounts disassembly, being unable to control the release of pressure spring, cause
The loss of components and the personal injury of operator；When installation, both ends pressure spring can not be controlled simultaneously, reduces and installs successfully
Rate and actual effect；And the head of screwdriver is hard, is easy to damage components；(b) specific purpose tool of the utility model dismounts Shi Bucun
In security hidden trouble.
(2) tool use aspect: (a) the screwdriver usage quantity of the prior art is 2；(b) the utility model only needs
Want a specific purpose tool.
(3) in terms of the time: when (a) dismounting using the screwdriver of the prior art, at least needing 30-40 minutes；(b) this is used
The specific purpose tool of utility model, it is thus only necessary to 10 minutes.
(4) in terms of manpower: when (a) dismounting using the screwdriver of the prior art, at least needing two people；(b) practical using this
Novel specific purpose tool a, it is thus only necessary to people.
It is discussed in detail although the content of the utility model has passed through above preferred embodiment, but it should be appreciated that on
The description stated is not considered as limitations of the present invention.After those skilled in the art have read above content, for
A variety of modifications and substitutions of the utility model all will be apparent.Therefore, the protection scope of the utility model should be by appended
Claim limit.
Claims (8)
1. a kind of specific purpose tool (6) for realizing hydraulic point machine flying wheel replacement operation, which is characterized in that the specific purpose tool
(6) match with the hydraulic point machine flying wheel, the specific purpose tool (6) includes the circle to match with electric machine main shaft (501)
Canister portion divides (601) and for controlling pressure spring (4) and can be inserted into the tapering portions (602) in the hydraulic point machine inertia wheel bore,
The cylindrical portions (601) and the tapering portions (602) arranged coaxial, the tapering portions (602) are truncated cone, institute
State cylindrical portions (601) first end aperture, the rounded bottom surface and the tapering portions of cylindrical portions (601) second end
(602) diameter of bottom end connection and the two is equal.
2. specific purpose tool (6) as described in claim 1, which is characterized in that
The internal diameter (D2) of the cylindrical portions (601) and the diameter (B2) of the electric machine main shaft (501) front end portion are equal in magnitude；
The hole depth (S1) of the cylindrical portions (601) and the length (A2) of the electric machine main shaft (501) front end portion are equal in magnitude；
The outer diameter (D3) of the cylindrical portions (601) and the diameter (B1) of the electric machine main shaft (501) are equal in magnitude；
The length (A2) that the entire length (S2) of the cylindrical portions (601) is greater than the electric machine main shaft (501) front end portion is big
It is small.
3. specific purpose tool (6) as claimed in claim 2, which is characterized in that
The internal diameter (D2) of the cylindrical portions (601) is 15mm；
The hole depth (S1) of the cylindrical portions (601) is 30mm；
The outer diameter (D3) of the cylindrical portions (601) is 30mm.
4. the specific purpose tool (6) as described in claims 1 or 2 or 3, which is characterized in that
The entire length (S2) of the cylindrical portions (601) is set as 42mm.
5. specific purpose tool (6) as claimed in claim 4, which is characterized in that
The entire length (S3) of the specific purpose tool (6) is set as 120mm.
6. specific purpose tool (6) as claimed in claim 1 or 2, which is characterized in that
The diameter (D1) on tapering portions (602) top is equal to the spacing (d) when two pressure springs discharge between releasing position.
7. specific purpose tool (6) as claimed in claim 6, which is characterized in that
The diameter (D1) on tapering portions (602) top is equal to 10mm.
8. specific purpose tool (6) as claimed in claim 1 or 2, which is characterized in that
Angle between the bus of the tapering portions (602) and the bus of the cylindrical portions (601) is set as 173 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920205404.2U CN209532600U (en) | 2019-02-18 | 2019-02-18 | A kind of specific purpose tool for realizing hydraulic point machine flying wheel replacement operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920205404.2U CN209532600U (en) | 2019-02-18 | 2019-02-18 | A kind of specific purpose tool for realizing hydraulic point machine flying wheel replacement operation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209532600U true CN209532600U (en) | 2019-10-25 |
Family
ID=68273329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920205404.2U Active CN209532600U (en) | 2019-02-18 | 2019-02-18 | A kind of specific purpose tool for realizing hydraulic point machine flying wheel replacement operation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209532600U (en) |
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2019
- 2019-02-18 CN CN201920205404.2U patent/CN209532600U/en active Active
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