CN105196236B - Low-floor bogie shaft end resilient key, which is moved back, unloads ring - Google Patents
Low-floor bogie shaft end resilient key, which is moved back, unloads ring Download PDFInfo
- Publication number
- CN105196236B CN105196236B CN201510605688.0A CN201510605688A CN105196236B CN 105196236 B CN105196236 B CN 105196236B CN 201510605688 A CN201510605688 A CN 201510605688A CN 105196236 B CN105196236 B CN 105196236B
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- CN
- China
- Prior art keywords
- ring body
- bolt
- resilient key
- circular hole
- compact heap
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Low-floor bogie shaft end resilient key, which is moved back, unloads ring, including ring body and bolt, the ring body center is provided through circular hole, and the ring body is radially arranged the screwed hole parallel with ring body, the bolt-through turns the length that nut regulating bolt is extend into circular hole in screwed hole by rotation.The present invention is simple in construction, it is convenient to prepare, and the present invention can be to good performance, by the way that the opening of resilient key is pressed onto after closure, the diameter of resilient key diminishes, and the surface of resilient key can be separated inside the automatic elastic pin-and-hole from shaft end, only firmly and need to can gently be extracted resilient key, operation is simpler, extracts resilient key simpler easy.
Description
Technical field
Moved back the present invention relates to low-floor bogie shaft end resilient key and unload ring, belong to resilient key withdrawal device technical field.
Background technology
Low-floor bogie includes bogie frame and the axletree being arranged on below bogie frame, the two ends difference of axletree
Wheel is provided with, axletree extends to the outside of wheel, and the two ends that car is taken out referred to as shaft end, the shaft end is provided with brake disc,
Shaft end install brake disc process be：Several resilient keys are inserted towards a side surface of shaft end in brake disc first, several
Resilient key, is then pressed onto in the reserved stub bore of end axial surface, passes through elasticity by resilient key circular arrangement by way of hydraulic pressure
Pin connection shaft end and brake disc.When dismantling brake disc, brake disc is pushed from shaft end by way of hydraulic pressure, but resilient key
It would generally stay in shaft end, not be specifically used to the instrument for extracting resilient key now, operating personnel's pliers can only be relied on
Deng instrument, then hand-operated clamping is firmly extracted, and withdrawal process is extremely laborious, and operating efficiency is extremely low, firmly too big even
Resilient key can be pressed from both sides bad, very big puzzlement and problem is brought to dismantlement work.
The content of the invention
In order to solve above-mentioned problem, moved back the invention discloses a kind of low-floor bogie shaft end resilient key and unload ring,
Its concrete technical scheme is as follows：
Low-floor bogie shaft end resilient key, which is moved back, unloads ring, it is characterized in that including ring body and bolt, the ring body center is run through
It is provided with circular hole, the ring body is radially arranged the screwed hole parallel with ring body, and the bolt-through passes through in screwed hole
Rotation turns the length that the nut regulating bolt of bolt end is extend into circular hole.
The circular hole surface is provided with the groove being recessed towards ring body, and screwed hole passes through the center of groove, the bolt position
One end of circular hole is provided with compact heap, the compact heap is towards the crooked radian of the side surface of groove one and the crooked radian of groove
Unanimously, crooked radian of the compact heap towards a side surface of circular hole is consistent with the radian of circular hole.
The compact heap can be stuck in recessed groove, and the thickness of compact heap is not more than the cup depth of recessed groove, described
Compact heap is connected by a bearing, and one end of the bearing is inserted into compact heap, and the other end is inserted into bolt, when bolt rotation
When turning, compact heap is stuck in translation in recessed groove.
Grinding process is passed through on the circular hole surface at the ring body center.
The circular hole surface at the ring body center is provided with skid-resistant pad.
The screw thread of the screwed hole and the screw thread of bolt are all handled by surface tempering.
The ring body is from No. 45 steel.
The present invention operation principle be：
Compact heap is clamped in recessed groove in the use of the present invention, rotating turn nut first, the present invention is set to bullet
Property pin surrounding, resilient key is located in circular hole so that center of circle line where the opening of resilient key is mutually perpendicular to bolt place straight line,
Rotation turns nut, and bolt is progressive, and towards moving in circular hole, compact heap is pressed to elastic pin surface gradually, and the rotation that continues to press is twisted
Dynamic nut, compact heap itself will not be rotated, by the effect of bearing, and pressure can be promoted by allowing bolt to be rotated the power that turns advance
Tight block advances, and gradually the opening of resilient key is pressed onto after closure, the opening closure of resilient key, elastic pin-and-hole of the resilient key from shaft end
Part and elastic pin-and-hole internal face depart from, now, as long as simply by the present invention with shaft end place plane vertically move, bullet
Property pin just can easily from shaft end extract.
The beneficial effects of the invention are as follows：
The present invention is simple in construction, and it is convenient to prepare, and the present invention can pass through opening resilient key to good performance
Mouth is pressed onto after closure, and the diameter of resilient key diminishes, and the surface of resilient key can be separated inside the automatic elastic pin-and-hole from shaft end,
Firmly and resilient key need to can gently be extracted, operation is simpler, extract resilient key simpler easy.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention,
Reference numerals list：1-ring body, 2-skid-resistant pad, 3-compact heap, 4-screwed hole, 5-bolt, 6-nut,
7-recessed groove, 8-circular hole.
Embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated.It should be understood that following embodiments are only
For illustrating the present invention rather than limitation the scope of the present invention.
Visible with reference to accompanying drawing, this low-floor bogie shaft end resilient key, which is moved back, unloads ring, including ring body 1 and bolt 5, the ring body
1 center is provided through circular hole 8, and the ring body 1 is radially arranged the screwed hole 4 parallel with ring body 1, and the bolt 5 runs through
In screwed hole 4, the length that the regulating bolt 5 of nut 6 is extend into circular hole 8 is turned by rotation.The present invention, rotation turns bolt
5, the length that bolt 5 extend into circular hole 8 is different, during using the present invention, ring body 1 is enclosed on into resilient key surrounding first, rotation is turned
Bolt 5, one end of the bolt 5 in circular hole 8 promotes resilient key to deform, and the opening of resilient key is in the pressure from bolt 5
Under, slowly close, after the opening closure of bolt 5, the diameter of resilient key diminishes, and resilient key can be separated with elastic pin-and-hole automatically,
By the power for applying very little to ring body 1, it becomes possible to which ring body 1 and resilient key are moved out into elastic pin-and-hole together, realize and extract elasticity
Pin.
The surface of circular hole 8 is provided with the groove being recessed towards ring body 1, and screwed hole 4 passes through the center of groove, the bolt
5 one end for being located at circular hole 8 are provided with compact heap 3, the compact heap 3 towards the side surface of groove one crooked radian and groove it is curved
Bent radian is consistent, and crooked radian of the compact heap 3 towards a side surface of circular hole 8 is consistent with the radian of circular hole 8.By setting
Groove gives compact heap 3 one memory spaces, and before ring body 1 is enclosed on resilient key, compact heap 3 is placed in groove.
The compact heap 3 can be stuck in recessed groove 7, and the thickness of compact heap 3 is not more than the cup depth of recessed groove 7,
The compact heap 3 is connected by a bearing, and one end of the bearing is inserted into compact heap 3, and the other end is inserted into bolt 5,
When bolt 5 rotates, compact heap 3 is stuck in translation in recessed groove 7.After ring body 1 is enclosed on resilient key four weeks, rotation turns spiral shell
Mother 6, bolt 5 is rotationally advancing, and is acted on by bearing and has been blocked compact heap 3 with rearward recess and rotate, compact heap 3 can only be from bolt
Under 5 pressure, straight ahead is pressed on resilient key gradually, by the opening compresses of resilient key to closure, resilient key can automatically with
Elastic pin-and-hole separation, is extracted laborsaving.
Grinding process is passed through on the surface of circular hole 8 at the center of ring body 1.The big surface friction coefficient of circular hole 8 after polishing, increase
Between ring body 1 and resilient key under pressure, during extracting resilient key, ring body 1 and the frictional force of resilient key.
The surface of circular hole 8 at the center of ring body 1 is provided with skid-resistant pad 2.Skid-resistant pad 2 is played and prevented in withdrawal process,
Ring body 1 departs from resilient key.
The screw thread of the screwed hole 4 and the screw thread of bolt 5 are all handled by surface tempering.Screw thread tool after modifier treatment
There are stronger preceding degree and wilfulness, can reach and be pressed onto the power that resilient key is deformed to closure opening, screw thread will not burst apart or fracture.
The ring body 1 is from No. 45 steel.No. 45 steel can realize that compression resilient key is closed to opening, and itself does not change
Metal material, with the intensity for meeting practical purpose of the present invention.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned technological means, in addition to
Constituted technical scheme is combined by above technical characteristic.
Using the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to its technical scope is determined according to right.
Claims (1)
1. low-floor bogie shaft end resilient key, which is moved back, unloads ring, it is characterized in that including ring body and bolt, the ring body center, which is run through, to be set
It is equipped with circular hole, the ring body is radially arranged the screwed hole parallel with ring body, and the bolt-through passes through rotation in screwed hole
Turn to turn the length that the nut regulating bolt of bolt end is extend into circular hole；
The circular hole surface is provided with the groove being recessed towards ring body, and screwed hole passes through the center of groove, and the bolt is located at circle
The one end in hole is provided with compact heap, and the compact heap is towards the crooked radian of the side surface of groove one and the crooked radian one of groove
Cause, crooked radian of the compact heap towards a side surface of circular hole is consistent with the radian of circular hole；
The compact heap can block in a groove, and the thickness of compact heap is not more than the cup depth of groove, and the compact heap leads to
A bearing connection is crossed, one end of the bearing is inserted into compact heap, and the other end is inserted into bolt, when bolt rotates, pressure
Tight block card translation in a groove；
Grinding process is passed through on the circular hole surface at the ring body center；
The circular hole surface at the ring body center is provided with skid-resistant pad；
The screw thread of the screwed hole and the screw thread of bolt are all handled by surface tempering；
The ring body is from No. 45 steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510605688.0A CN105196236B (en) | 2015-09-22 | 2015-09-22 | Low-floor bogie shaft end resilient key, which is moved back, unloads ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510605688.0A CN105196236B (en) | 2015-09-22 | 2015-09-22 | Low-floor bogie shaft end resilient key, which is moved back, unloads ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105196236A CN105196236A (en) | 2015-12-30 |
| CN105196236B true CN105196236B (en) | 2017-10-20 |
Family
ID=54944361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510605688.0A Active CN105196236B (en) | 2015-09-22 | 2015-09-22 | Low-floor bogie shaft end resilient key, which is moved back, unloads ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105196236B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5953801A (en) * | 1996-10-15 | 1999-09-21 | K-Line Industries, Inc. | Snap ring removing tool |
| CN204954734U (en) * | 2015-09-22 | 2016-01-13 | 南车南京浦镇车辆有限公司 | Low -floor bogie axle head spring pin withdrawal ring |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2566660B2 (en) * | 1990-03-29 | 1996-12-25 | キヤノン株式会社 | C-ring mounting device |
| US5933943A (en) * | 1997-07-21 | 1999-08-10 | Chou; Shu-Chun Yu | Pin leading device |
| CN102357864A (en) * | 2011-10-20 | 2012-02-22 | 奇瑞汽车股份有限公司 | Ejector pin disassembling tool |
| CN202517253U (en) * | 2012-03-31 | 2012-11-07 | 南京依维柯汽车有限公司 | Elastic pin press-mounting device |
| CN203415698U (en) * | 2013-07-27 | 2014-01-29 | 国家电网公司 | Power transmission and transformation circuit wire connection device |
-
2015
- 2015-09-22 CN CN201510605688.0A patent/CN105196236B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5953801A (en) * | 1996-10-15 | 1999-09-21 | K-Line Industries, Inc. | Snap ring removing tool |
| CN204954734U (en) * | 2015-09-22 | 2016-01-13 | 南车南京浦镇车辆有限公司 | Low -floor bogie axle head spring pin withdrawal ring |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105196236A (en) | 2015-12-30 |
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| CB02 | Change of applicant information |
Address after: 210031 Nanjing province high tech Development Zone, Taishan Park North Pearl Road, No. 68 Applicant after: CRRC NANJING PUZHEN CO., LTD. Address before: 210031 Nanjing province high tech Industrial Development Zone, Taishan Park, North Pearl Road, No. 68 Applicant before: CSR NANJING PUZHEN Vehicles Co., Ltd. |
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