CN207534725U - A kind of demounting tool of separation center pin - Google Patents
A kind of demounting tool of separation center pin Download PDFInfo
- Publication number
- CN207534725U CN207534725U CN201721487124.2U CN201721487124U CN207534725U CN 207534725 U CN207534725 U CN 207534725U CN 201721487124 U CN201721487124 U CN 201721487124U CN 207534725 U CN207534725 U CN 207534725U
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- China
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- fixed plate
- demounting tool
- center pin
- tapped
- bolt
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Abstract
The utility model provides a kind of demounting tool of separation center pin, and including fixed plate and bolt, fixed plate includes two layers of coaxial round platform, and one layer of round platform diameter is less than another layer of round platform diameter, external screw thread is equipped in small diameter round table；Several tapped through holes are equipped in fixed plate, the bolt is threadably arranged in tapped through hole；The utility model is simple in structure, easy to operate, can realize to operate in smaller space and can be smoothly detached centrepin and central pin bush in the case of not destruction center's guide rubber structure.
Description
Technical field
The utility model belongs to locomotive manufacturing and service technique field, especially a kind of demounting tool of separation center pin.
Background technology
Train traction device is the key position for connecting train body and bogie, and centrepin passes through taper with central pin bush
Face cooperation is fixedly connected, and since there are lubricating grease between centrepin and central pin bush, after the fastening of centrepin bolt, is drawn in bolt
Under power effect, high contact sealing is formed between the two conical surface, huge pulling force and torsion load can be born；Central pin bush is
The bonded structure of Internal and external cycle metal and intermediate rubber, the big load that central pin bush outside cannot be born, in being caused by above-mentioned factor
Heart guide is disassembled difficulty or even can not be disassembled in the case where not destroying rubber structure, and very big difficulty is brought to locomotive assembling.
Invention content
In view of this, the utility model is directed to a kind of demounting tool of separation center pin, to solve in the prior art
The problem of, by centrepin from central pin bush easily it is laborsaving, quickly and easily disassemble.
In order to achieve the above objectives, the technical solution of the utility model is realized in：
A kind of demounting tool of separation center pin, including fixed plate and bolt, fixed plate include two layers of coaxial round platform, one layer
Round platform diameter is less than another layer of round platform diameter, and external screw thread is equipped in small diameter round table；Lead in fixed plate equipped with several screw threads
Hole, the bolt are threadably arranged in tapped through hole；
Further, the flighted length of bolt is more than the thickness of fixed plate；After bolt is made all to screw in fixed plate
Fixed plate can be protruded from；
Further, the large diameter round table thickness in fixed plate is less than or equal to small diameter round table thickness；Realizing fixed plate
Disassemble the lightweight that demounting tool is furthermore achieved under conditions of operation intensity；
Further, several tapped through holes are arranged on fixed plate face in fixed plate, and the axis of all tapped through holes is total to
Circle；
Further, the quantity of tapped through hole is 3-5；Best quantity is 5；It can both improve in this way and disassemble effect
Rate, moreover it is possible to most easily un-mating force carries out disassembling operation；
Further, the bottom screw-internal thread fit of the external screw thread of the fixed plate and central pin bush connects, and fixed plate is small straight
Diameter round platform surface can be abutted with centrepin outer surface；
Further, the demounting tool is applied to that working space is narrow, saves pin from damage and the work of the locomotive junction of guide
In industry process；
Relative to the prior art, the demounting tool of separation center pin described in the utility model has the advantage that：
The utility model is simple in structure, easy to operate, can realize and be operated in smaller space, is particularly suitable for locomotive connection
It and can be suitable with central pin bush by centrepin in the case of not destruction center's guide rubber structure in the environment of place's narrow space
Profit separation, tool specific aim are stronger.It can be applied in that other working spaces are small, general in the case of not damaged pin and guide simultaneously
Pin is detached out of guide.
Description of the drawings
The attached drawing for forming the part of the utility model is used to provide a further understanding of the present invention, this practicality is new
The illustrative embodiments and their description of type do not form the improper restriction to the utility model for explaining the utility model.
In attached drawing：
Fig. 1 is the demounting tool assembling schematic diagram described in the utility model embodiment；
Fig. 2 is fixed plate schematic diagram in the demounting tool described in the utility model embodiment；
Fig. 3 is the bolt schematic diagram described in the utility model embodiment；
Fig. 4 is the demounting tool fundamental diagram described in the utility model embodiment；
Reference sign：
1- fixed plates；2- bolts；3- centrepins；4- central pin bushs；5- round platforms；6- external screw threads.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the utility model can
To be combined with each other.
In the description of the present invention, it is to be appreciated that term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
The orientation or position relationship of the instructions such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of description the utility model and simplifies description rather than instruction
Or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore be not understood that
For the limitation to the utility model.In addition, term " first ", " second " etc. are only used for description purpose, and it is not intended that instruction
Or imply relative importance or the implicit quantity for indicating indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can express or implicitly include one or more this feature.It is in the description of the present invention, unless another
It is described, " multiple " are meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integrally
Connection；Can be mechanical connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State concrete meaning of the term in the utility model.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
With reference to shown in Fig. 1-3, a kind of demounting tool of separation center pin, including fixed plate 1 and bolt 2, fixed plate 1 includes
Two layers of coaxial round platform, one layer of round platform diameter are less than another layer of round platform diameter, external screw thread 6 are equipped in small diameter round table；In fixation
Plate 1 is equipped with several tapped through holes, and the bolt 2 is threadably arranged in tapped through hole；Wherein, the threaded portion of bolt 2
Length is more than the thickness of fixed plate；So as to make bolt 2 that can protrude from fixed plate 1 after all screwing in fixed plate 1；Wherein, fixed plate 1
On large diameter round table thickness be less than or equal to small diameter round table thickness；Realize fixed plate 1 disassemble under conditions of operation intensity into
One step realizes the lightweight of demounting tool；Wherein, several tapped through holes are arranged on fixed plate face in fixed plate 1, and all
The axis of tapped through hole is concyclic；Wherein, the quantity of tapped through hole is 3-5；Best quantity is 5；It can both improve in this way
Disassemble efficiency, moreover it is possible to most easily un-mating force carries out disassembling operation；As shown in figure 4, the external screw thread 6 of the fixed plate and center
The bottom screw-internal thread fit connection of guide；Fixed plate small diameter round table surface can be abutted with centrepin outer surface；
With reference to shown in Fig. 4, the operation principle and using method of the demounting tool：Centrepin 3 passes through cone with central pin bush 4
Shape face is fixedly connected, and fixed plate 1 is installed on the lower end of central pin bush 4, the upper surface of the top round platform 5 of fixed plate 1 with
Centrepin 3 in central pin bush 4 contacts, and when disassembling, first in 2 surface smear moderate lubrication agent of bolt, 2 sequence of bolt is installed to
In the tapped through hole of fixed plate, 2 precession of bolt to bolt end top surface is concordant with the upper surface of 1 top round platform 5 of fixed plate；Continue
With spanner pretension bolt to bolt strained, then according to the continuous micro fastening precession bolt 2 of clock-wise order, bolt 2 pushes
Centrepin 3 is detached with central pin bush 4.
Demounting tool described in the utility model is installed in central pin bush and is supported as stress, by centrepin and centrepin
Distribution of forces between set can provide the un-mating force of bigger in the case that applying same torque, realize centrepin to bolt
High contact seals disassembling for situation between central pin bush, and demounting tool is simple in structure, easy to use, is particularly suitable for application
In working space it is narrow, save from damage in the flow chart of the locomotive junction of pin and guide, specific aim is stronger, and effect is good, greatly
The efficiency of locomotive maintenance dismounting is improved, while applies also for the similar structure of other field and disassembles.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of demounting tool of separation center pin, it is characterised in that：Including fixed plate and bolt, fixed plate includes two layers coaxially
Round platform, one layer of round platform diameter are less than another layer of round platform diameter, external screw thread are equipped in small diameter round table；If it is equipped in fixed plate
Dry tapped through hole, the bolt are threadably arranged in tapped through hole.
2. the demounting tool of separation center pin according to claim 1, it is characterised in that：The flighted length of bolt is more than
The thickness of fixed plate.
3. the demounting tool of separation center pin according to claim 1, it is characterised in that：Large diameter round table in fixed plate
Thickness is less than or equal to small diameter round table thickness.
4. the demounting tool of separation center pin according to claim 1, it is characterised in that：Several tapped through holes in fixed plate
On arrangement fixed plate face, and the axis of all tapped through holes is concyclic.
5. the demounting tool of separation center pin according to claim 1, it is characterised in that：The quantity of tapped through hole is 3-5
It is a.
6. the demounting tool of separation center pin according to claim 1, it is characterised in that：The external screw thread of the fixed plate with
The bottom screw-internal thread fit connection of central pin bush, fixed plate small diameter round table surface can be abutted with centrepin outer surface.
7. the demounting tool of separation center pin according to claim 1, it is characterised in that：Applied to working space it is narrow,
In the flow chart for saving the locomotive junction of pin and guide from damage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721487124.2U CN207534725U (en) | 2017-11-09 | 2017-11-09 | A kind of demounting tool of separation center pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721487124.2U CN207534725U (en) | 2017-11-09 | 2017-11-09 | A kind of demounting tool of separation center pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207534725U true CN207534725U (en) | 2018-06-26 |
Family
ID=62611058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721487124.2U Active CN207534725U (en) | 2017-11-09 | 2017-11-09 | A kind of demounting tool of separation center pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207534725U (en) |
-
2017
- 2017-11-09 CN CN201721487124.2U patent/CN207534725U/en active Active
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