CN207649914U - A kind of three sections of shaft type rail vehicle axle head grounding device chambers - Google Patents
A kind of three sections of shaft type rail vehicle axle head grounding device chambers Download PDFInfo
- Publication number
- CN207649914U CN207649914U CN201721659393.2U CN201721659393U CN207649914U CN 207649914 U CN207649914 U CN 207649914U CN 201721659393 U CN201721659393 U CN 201721659393U CN 207649914 U CN207649914 U CN 207649914U
- Authority
- CN
- China
- Prior art keywords
- bearing
- axle head
- grounding device
- head grounding
- spindle nose
- 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.)
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Links
- 238000012360 testing method Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 8
- 210000004907 gland Anatomy 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052799 carbon Inorganic materials 0.000 abstract description 11
- 210000001331 nose Anatomy 0.000 description 45
- 210000003128 head Anatomy 0.000 description 34
- 238000010586 diagram Methods 0.000 description 11
- 101100346179 Arabidopsis thaliana MORC7 gene Proteins 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 101100346177 Arabidopsis thaliana MORC5 gene Proteins 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010068052 Mosaicism Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 210000003765 sex chromosome Anatomy 0.000 description 1
Landscapes
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The utility model is related to a kind of three sections of shaft type rail vehicle axle head grounding device chambers, including driving motor, experiment axis, bearing block and the spindle nose for being connected to by diaphragm hitch bar experiment axis both ends, the spindle nose is supported on by tested vehicle bearing in bearing block, two bearing blocks are connect by outside interface washer with tested vehicle axle head grounding device, and the experiment axis is drivingly connected by belt pulley and motor.The utility model is suitable for testing the wear testing of the carbon brush and frictional disk of the axle head grounding device of a variety of rail vehicles.
Description
Technical field
The utility model is related to rail vehicle axle head grounding device chambers, and more specifically, the utility model is related to one
Three sections of shaft type rail vehicle axle head grounding device chambers of kind.
Background technology
Currently, under the premise of China carries out railway speed raising principles and policies, the speed of service of China's rail vehicle has
Prodigious raising.This has reached at present in the EMU max. speed of operation but also EMU technology is quickly grown
350km/h, the EMU max. speed in development is already close to 500km/h.But with the raising of speed, the safety of EMU
Sex chromosome mosaicism becomes increasingly conspicuous, such as the brush of earthing or grounding means and contact disc excessive wear, causes bearing running hot, seriously affects driving peace
Entirely.
Often problem appear to is that the brush and contact disc excessive wear of earthing or grounding means, wear away the carbon dust of generation in practical driving
Enter axle end bearing with " dust " such as copper powders, causes bearing running hot, or even lead to and cut axis accident, seriously affect traffic safety, because
This, it should the abrasion condition of EMU earthing or grounding means is tested and checked.
Invention content
The purpose of this utility model is to provide a kind of three sections of shaft type rail vehicle axle head grounding device chambers, is suitable for surveying
Try the carbon brush of the axle head grounding device of a variety of rail vehicles and the wear testing of frictional disk.
The purpose of this utility model is achieved by the following technical solution：
A kind of three sections of shaft type rail vehicle axle head grounding device chambers, including motor, experiment axis 4, bearing block 7 and fixation
It is nested with the spindle nose 3 at 4 both ends of experiment axis, the spindle nose 3 is supported on by tested vehicle bearing 9 in bearing block 7, described
Bearing block 7 is connect by outside interface washer 2 with tested vehicle axle head grounding device 1, and the experiment axis 4 passes through belt pulley
It is drivingly connected with motor.
More preferably technical solution, the spindle nose 3 are fixed by diaphragm hitch bar 5 and are nested in the both ends of experiment axis 4, institute
5 one end of diaphragm hitch bar stated is fixedly connected on spindle nose 3, and the other end is keyed with experiment axis 4, and experiment axis 4 is located at diaphragm
Both ends inside hitch bar 5 are set as multi-diameter shaft, the step surface contact diaphragm hitch bar 5 at 4 both ends of experiment axis.It prevents from testing
There is hyperstatic stress in axis 4.
The outside of more preferably technical solution, the tested vehicle bearing 9 is equipped with bearing clamping set 11, bearing clamping
The internal diameter of set 11 is identical as the outer diameter of tested vehicle bearing 9, ensures that it is accurately sleeved on the outside of bearing, bearing clamping set 11
It is of same size between interface washer 6 on the inside of length and outside interface washer 2 and bearing block, realize the axial direction of bearing clamping set 11
The outer diameter of positioning, bearing clamping set 11 is consistent with the internal diameter of lightweight bearing block 7, is realized by bearing clamping set 11 and is tested vehicle
The tested vehicle bearing 9 of the radial positioning of bearing 9, different model covers 11 using the bearing clamping of different model.
More preferably technical solution, is equipped with labyrinth oil sealing 16 at the shoulder of the spindle nose 3, the bearing block 7 it is interior
Side is fixedly connected with inside interface washer 6, and the circular ring shape protrusion on the labyrinth oil sealing 16 is located on inside interface washer 6
In toroidal cavity.
More preferably technical solution, the spindle nose 3 pass through with the shaft end gland 14 in tested vehicle axle head grounding device 1
It being bolted, the frictional disk 12 realized in tested vehicle axle head grounding device 1 is consistent with the movement of spindle nose 3, experiment axis 4,
The frictional disk 12 of spindle nose 3 and earthing or grounding means 1 rotates together under the drive of driving motor, and former vehicle brush shell 10 is outer due to passing through
Side interface washer 2 is fixedly connected and remains stationary with bearing block 7, and the carbon brush 15 being fixed on former vehicle brush shell 10 is also kept
It is quiet, friction is generated between carbon brush 15 and the earthing or grounding means frictional disk 13 of rotation, shaft end is grounded during analog orbit vehicle movement
The abrasion of device.
The utility model has the beneficial effects that：
Using the internal structure of three sections of axis, replaceable spindle nose, spindle nose and experiment axis are used for the vehicle of existing market
It is connected by diaphragm hitch bar, is conducive to preferably remove and install, different automobile types are tested by changing spindle nose.This
Utility model provide chamber have it is simple in structure, easy to operate, shaft end connects during complete analog orbit vehicle movement
The abrasion condition of ground device, improves and seriously affects travel safety.
Description of the drawings
Fig. 1 is the structural schematic diagram of three sections of shaft type rail vehicle axle head grounding device chambers of the utility model；
Fig. 2 is structural schematic diagram (no drive of three sections of shaft type rail vehicle axle head grounding device chambers of the utility model
Dynamic motor)；
Fig. 3 is the sectional view of three sections of shaft type rail vehicle axle head grounding device chambers of Fig. 2；
Fig. 4 is the tested axle for vehicle termination of three sections of shaft type rail vehicle axle head grounding device chambers of the utility model
The structural schematic diagram of ground device and bearing block assembly；
Fig. 5 is the structural schematic diagram sectional view of the tested vehicle axle head grounding device and bearing block assembly of Fig. 5；
Fig. 6 is the sectional view of tested vehicle axle head grounding device；
Fig. 7 is the structural schematic diagram for testing axis, spindle nose and frictional disk assembly；
Fig. 8 is the sectional view of the experiment axis of Fig. 7, spindle nose and frictional disk assembly；
Fig. 9 is the normal axomometric drawing of diaphragm hitch bar；
Figure 10 is the isometric sectional view of diaphragm hitch bar；
Figure 11 is the structural schematic diagram of five kinds of variable spindle noses, and a is the structural schematic diagram for the variable spindle nose of CRH3 type vehicles,
B is the structural schematic diagram for the variable spindle nose of CRH5 type vehicles, and c is the variable spindle nose for 100% low-floor bearing of the Department of Science and Technology
Structural schematic diagram, d is the structural schematic diagram for the variable spindle nose of 70% low-floor series bearing of Changchun, and e is to be used for Shenyang
70% low-floor bearing can be changed the structural schematic diagram of spindle nose；
Wherein：1, be tested vehicle axle head grounding device, 2, outside interface washer, 3, spindle nose, 4, experiment axis, 5, diaphragm connection
Shaft device, 6, inside interface washer, 7, bearing block, 8, bearing adjusting washer, 9, tested vehicle bearing, 10, former vehicle brush shell
Body, 11, bearing clamping set, 12, frictional disk, 13, frictional disk cushion block is installed, 14, shaft end gland, 15, carbon brush, 16, on the inside of bearing
Labyrinth oil sealing, 17, suitable for the variable spindle nose of CRH3 type vehicles, 18, suitable for the variable spindle nose of CRH5 type vehicles, 19, be suitable for section
The variable spindle nose of 100% low-floor bearing of skill portion, 20, suitable for the variable spindle nose of 70% low-floor series bearing of Changchun, 21, suitable
Spindle nose is can be changed for 70% low-floor bearing of Shenyang.
Specific implementation mode
The utility model is explained in detail below in conjunction with the accompanying drawings：
Three sections of shaft type rail vehicle axle head grounding device chambers under stable state described in the utility model are suitable for
Without the wear testing of rail vehicle axle head grounding device carbon brush and frictional disk under the conditions of exciting.
As shown in Figure 1, three sections of shaft type rail vehicle axle head grounding device chambers include and motor, experiment axis 4, bearing block
7 are supported on bearing block 7 with the fixed spindle nose 3 being nested at 4 both ends of experiment axis, the spindle nose 3 by tested vehicle bearing 9
Interior, the bearing block 7 is connect by outside interface washer 2 with tested vehicle axle head grounding device 1, and the motor passes through
Belt pulley is drivingly connected with spindle nose 3.Driving motor rotates and drives the belt on chamber universal test axis to rotate by belt
It is dynamic, to make universal test axis that belt pulley be followed to rotate together, the rotation of axle in analog orbit vehicle operation, completion pair
The wear testing of rail vehicle axle head grounding device.
Tested vehicle axle head grounding device 1 is replaced according to the different model of subject vehicle, and bearing block 7 can pass through
Bolt is fixed on ground or frame, and experimenter can determine according to experimental enviroment oneself.Fig. 2 is dynamic for CRH380 series
The axle head grounding device chamber of vehicle group needs to replace tested vehicle axle head grounding device if testing other vehicles
1 and spindle nose 3.
Tested vehicle bearing 9 is housed in the inside of bearing block 7, the tested vehicle bearing 9 of difference test vehicle is different,
Fig. 3 is suitable for CRH380 series vehicle axle head grounding device testing experiment case sectional views.When using the test of other vehicles instead, change
Tested vehicle axle head grounding device 1 and tested vehicle bearing 9 to be tested needed for becoming, and according to the difference of bearing designation,
Use the spindle nose 3 of different model instead.The inside of bearing block 7 ensures the bearing that can be packed into polytypic, and lead to there are enough spaces
It crosses and realizes the axially position of bearing in the both sides of bearing increase and decrease bearing adjusting washer 8.Tested 1 He of vehicle axle head grounding device
Tested vehicle bearing 9 is standard component, included for tested former vehicle, is provided by testing producer.
As shown in figure 4, tested vehicle axle head grounding device 1 and bearing block 7 pass through interface washer 2 on the outside of lightweight bearing block
It is attached.Outside interface washer 2 and the tested vehicle axle head grounding device 1 and 7 connection type of bearing block of both sides are spiral shell
It tethers and connects.Inside interface washer 6 is bolted on the inside of lightweight bearing block, for wrapping up the bearing on spindle nose 3
Inside labyrinth oil sealing 16.
As shown in figure 5, since bearing designation is of different sizes, 11 are covered equipped with bearing clamping in the outside of bearing.The quilt
The outside of test vehicle bearing 9 is equipped with bearing clamping set 11, internal diameter and the tested vehicle bearing 9 of bearing clamping set 11 it is outer
Diameter is identical, ensures that it is accurately sleeved on the outside of bearing, is connect on the inside of the length and outside interface washer 2 and bearing block of bearing clamping set 11
It is of same size between mouth washer 6, realize the axially position of bearing clamping set 11, the outer diameter and lightweight bearing of bearing clamping set 11
The internal diameter of seat 7 is consistent, realizes that the radial positioning for being tested vehicle bearing 9, different model are tested by bearing clamping set 11
Vehicle bearing 9 covers 11 using the bearing clamping of different model.
As shown in fig. 6, tested vehicle axle head grounding device 1 is standard component, it is with CRH380 series axle head grounding devices
Example, main includes former vehicle brush shell 10, earthing or grounding means frictional disk 12, frictional disk installation cushion block 13, shaft end gland 14, ground connection dress
Carbon brush 15 is set, the carbon brush 15 is fixed on former vehicle brush shell 10.
As shown in fig. 7, being equipped with labyrinth oil sealing 16 at the shoulder of the spindle nose 3, the inside of the bearing block 7 is fixed
It is connected with inside interface washer 6, the circular ring shape protrusion on the labyrinth oil sealing 16 is located at the circular ring shape on inside interface washer 6
In groove, the internal bearings space of bearing block 7 is sealed.
As shown in figure 8, the spindle nose 3 passes through bolt with the shaft end gland 14 in tested vehicle axle head grounding device 1
Connection, the frictional disk 12 realized in tested vehicle axle head grounding device 1 is consistent with the movement of spindle nose 3, experiment axis 4, spindle nose 3
And the frictional disk 12 of earthing or grounding means 1 rotates together under the drive of driving motor, former vehicle brush shell 10 connects due to passing through outside
Mouth washer 2 is fixedly connected and remains stationary with bearing block 7, and the carbon brush 15 being fixed on former vehicle brush shell 10 also keeps quiet, carbon
Friction, axle head grounding device during analog orbit vehicle movement are generated between brush 15 and the earthing or grounding means frictional disk 13 of rotation
Abrasion.
As shown in Figure 9 and Figure 10,5 one end of diaphragm hitch bar is bolted on spindle nose 3, and the other end is connected by key
Connect the torque transmitted between experiment axis 4 and spindle nose 3.The both ends that experiment axis 4 is located inside diaphragm hitch bar 5 are set as ladder
Axis, the step surface by testing 4 both ends of axis contact diaphragm hitch bar 5 to which axis 4 is tested in clamping, realize the axial direction to testing axis
Positioning.The diaphragm hitch bar 5 plays the role of yielding coupling, and its purpose is to unlock the freedom in a direction
Degree prevents experiment axis 4 from occurring hyperstatic situation in connection type.
As shown in figure 11, the difference that vehicle bearing 9 is tested according to different automobile types uses the variable spindle nose 5 of different model,
The utility model provides five kinds of spindle noses 3, is respectively：Suitable for the spindle nose 17 of CRH3 type vehicles, suitable for the spindle nose of CRH5 type vehicles
18, suitable for the variable spindle nose 19 of 100% low-floor bearing of the Department of Science and Technology, suitable for the spindle nose of 70% low-floor series bearing of Changchun
20, it is suitable for 70% low-floor bearing spindle nose 21 of Shenyang.The spindle nose 17 for being wherein suitable for CRH3 type vehicles generally applicable is suitable for
CHR380 series SKF/NTN/FAG models, 350 motor-car system SKF/NTN/FAG models of standard and middle vehicle commander's spring trolley coach
The CJ-1 types of Co., Ltd's production, main line coach platform, subway A the various such as Type B test.
Claims (5)
1. a kind of three sections of shaft type rail vehicle axle head grounding device chambers, including motor, experiment axis (4), bearing block (7) and consolidate
Surely it is nested with the spindle nose (3) at experiment axis (4) both ends, the spindle nose (3) is supported on bearing block by tested vehicle bearing (9)
(7) in, the bearing block (7) is connect by outside interface washer (2) with tested vehicle axle head grounding device (1), described
Experiment axis (4) pass through belt pulley and motor and be drivingly connected.
2. three sections of shaft type rail vehicle axle head grounding device chambers of one kind as described in claim 1, it is characterised in that：It is described
Spindle nose (3) be nested in the both ends of experiment axis (4), the diaphragm hitch bar (5) one by the way that diaphragm hitch bar (5) is fixed
End is fixedly connected on spindle nose (3), and the other end is keyed with experiment axis (4), and experiment axis (4) is located in diaphragm hitch bar (5)
The both ends in portion are set as multi-diameter shaft, the step surface contact diaphragm hitch bar (5) at experiment axis (4) both ends.
3. three sections of shaft type rail vehicle axle head grounding device chambers of one kind as described in claim 1, it is characterised in that：It is described
The outside of tested vehicle bearing (9) be equipped with bearing clamping set (11), internal diameter and the tested test run of bearing clamping set (11)
The outer diameter of bearing (9) is identical, ensures that it is accurately sleeved on the outside of bearing, length and the outside interface washer of bearing clamping set (11)
(2) of same size between bearing block inside interface washer (6), realize the axially position of bearing clamping set (11), bearing card
The outer diameter of fixed (11) is consistent with the internal diameter of lightweight bearing block (7), is realized by bearing clamping set (11) and is tested vehicle bearing
(9) radial positioning, the tested vehicle bearing (9) of different model use the bearing clamping set (11) of different model.
4. three sections of shaft type rail vehicle axle head grounding device chambers of one kind as described in claim 1, it is characterised in that：It is described
Spindle nose (3) be bolted with the shaft end gland (14) in tested vehicle axle head grounding device (1).
5. three sections of shaft type rail vehicle axle head grounding device chambers of one kind as described in claim 1, the spindle nose (3)
It is equipped with labyrinth oil sealing (16) at shoulder, inside interface washer (6) is fixedly connected on the inside of the bearing block (7), it is described
Labyrinth oil sealing (16) on circular ring shape protrusion be located in the toroidal cavity on inside interface washer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721659393.2U CN207649914U (en) | 2017-12-04 | 2017-12-04 | A kind of three sections of shaft type rail vehicle axle head grounding device chambers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721659393.2U CN207649914U (en) | 2017-12-04 | 2017-12-04 | A kind of three sections of shaft type rail vehicle axle head grounding device chambers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207649914U true CN207649914U (en) | 2018-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721659393.2U Expired - Fee Related CN207649914U (en) | 2017-12-04 | 2017-12-04 | A kind of three sections of shaft type rail vehicle axle head grounding device chambers |
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| CN (1) | CN207649914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072531A (en) * | 2017-12-04 | 2018-05-25 | 吉林大学 | A kind of three sections of shaft type rail vehicle axle head grounding device chambers |
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2017
- 2017-12-04 CN CN201721659393.2U patent/CN207649914U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072531A (en) * | 2017-12-04 | 2018-05-25 | 吉林大学 | A kind of three sections of shaft type rail vehicle axle head grounding device chambers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180724 |