CN202382933U - Wheel axle locating device - Google Patents
Wheel axle locating device Download PDFInfo
- Publication number
- CN202382933U CN202382933U CN2011205376874U CN201120537687U CN202382933U CN 202382933 U CN202382933 U CN 202382933U CN 2011205376874 U CN2011205376874 U CN 2011205376874U CN 201120537687 U CN201120537687 U CN 201120537687U CN 202382933 U CN202382933 U CN 202382933U
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- CN
- China
- Prior art keywords
- wheel
- platform
- center
- wheel shaft
- wheel axle
- 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 - Lifetime
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Abstract
The utility model provides a wheel axle locating device which is characterized in that scale lines are marked at the parts, corresponding to a wheel axle and a wheel, of a test bench in a unified manner; and a vertical locating device aiming at the wheel axle is used for realizing the vertical concentricity between the wheel axle and the test bench and ensuring the verticality of a pasted stress detection sheet. A locating method of the locating device comprises the following steps: marking a platform center, platform radial scale lines and platform circumferential scale lines on the test bench for performing a wheel axle fatigue test; marking a position line for pasting the stress detection sheet on the tested wheel axle and marking a wheel center and a wheel radial line on the wheel; arranging a locating jack, which can ascend and descend in the vertical direction and can be matched with the center hole of the tested wheel axle, at the platform center; determining an installation position of a driving motor on the center of a reference platform; and vertically jacking up the tested wheel axle and the wheel, the radial scale lines of the reference platform and the radial line of the wheel, the circumferential scale lines of the platform and the edge of the wheel by virtue of the locating jack, so as to determine the concentricity of the test bench and the test wheel axle and the concentricity of the test bench and the wheel, and pasting the stress detection sheet at the position line.
Description
Technical field
The utility model relates to a kind of locating device that is applied to the wheel shaft torture test, belongs to the track traffic technical field.
Background technology
Along with the domestic city track traffic popularize rapidly the significantly lifting with Vehicle Speed, for the bogie frame of bearing body and transmitting tractive power higher design and use requirement has been proposed.Wherein, wheel shaft is bogie important composition parts, to wheel shaft carry out torture test be guarantee long-term, at a high speed and the guarantee of safe operation.
The at present domestic testing table that carries out torture test to wheel shaft; Eccentricity excitation formula structure more commonly; Be that the vertical top of wheel shaft connects eccentric activator, the wheel shaft sidepiece connects one and laterally loads cylinder, and the loading of in the torture test process, reversing through the wheel eccentric shaft repeatedly is to verify its endurance ratio.
The installation process of above-mentioned eccentricity excitation formula test unit is following: 1) eccentric activator is installed in by on the examination wheel shaft; 2) eccentric activator is lifted on the test platform with trying wheel shaft, is placed in the center of test platform as much as possible; 3) the vertical concentricity of adjustment drive motor and eccentric activator makes both as much as possible concentric; The stress detection lug that is adjusted on the wheel shaft to be pasted and the verticality of static loading surface make the stress detection lug vertical as much as possible with loading surface; 4) wheel is fastened on the test platform, between drive motor and eccentric activator, shaft coupling is installed; 5) paste stress detection lug and wiring, and carry out static demarcating; 6) begin to carry out torture test.
By above-mentioned test platform fixing vehicle wheel and wheel shaft; Owing to do not have effective locating device between wheel and the test platform; Thereby have following defective significantly: 1, wheel can move arbitrarily on test platform, and the vertical center of eccentric activator and drive motor is difficult to calibration; 2, be difficult to exactly stress detection lug and loading surface kept vertical, error is bigger; 3, the wheel shaft fixation procedure need repeat repeatedly, and the installation preliminary work of each torture test need take the long time, and accuracy is relatively poor, is unfavorable for improving test efficiency.
In view of this, the special present patent application that proposes.
The utility model content
The described axle locating of the utility model; Its purpose is to solve the problem of above-mentioned prior art existence and unifies under the prerequisite of calibrated scale line in testing table and wheel shaft, wheel corresponding position; Through vertical locating device, in the hope of the verticality of vertical concentricity between realization wheel shaft and the testing table and stress detection lug that assurance is pasted to wheel shaft.
For realizing above-mentioned purpose of design, described axle locating mainly includes:
On the testing table that carries out the wheel shaft torture test, calibrate platform center, platform radially scale mark and platform circumference scale mark;
On by the examination wheel shaft, calibrate the position line of pasting the stress detection lug, on wheel, calibrate wheel center and wheel RADIAL;
Be provided with in the platform center can vertical up-down and with the top, location that is complementary by the center pit of examination wheel shaft.
Comparatively preferred wheel shaft is located the driving mechanism scheme and is, top, location connection one drives the hydraulic cylinder of its vertical up-down, and hydraulic cylinder is arranged on testing table inside and is communicated with external hydraulic pump through the interior oil pipe of groove.
In addition, the position line is demarcated and is being tried the corner and the periphery of wheel shaft.
Loading frame sidepiece demarcation carrying horizontal cylinder has the lateral attitude line.
Content to sum up, the utility model axle locating has the following advantages and beneficial effect:
1, comparatively accurate to the vertical location of wheel shaft, concentricity can guarantee in 0.5mm, to improve the precision of wheel shaft torture test more significantly, and test findings is true and reliable, and the rationality that helps to verify wheel shaft structure design and the selection of material whether.
2, can improve effectively paste the stress detection lug verticality in 1 °, thereby correspondingly improve the efficient of on-the-spot installing and locating.
Description of drawings
The following accompanying drawing of existing combination is done explanation further to the utility model.
Fig. 1 is by the synoptic diagram between examination wheel shaft and the testing table before the location;
Fig. 2 is that the M of Fig. 1 is to vertical view;
Fig. 3 is the synoptic diagram between wheel shaft and the testing table that tried behind the location;
Fig. 4 is the I portion enlarged diagram of Fig. 3;
To shown in Figure 4, testing table 1 is tried wheel shaft 2 like Fig. 1, wheel 3, top, location 4, hydraulic cylinder 5; Groove 6, oil pipe 7, horizontal cylinder 8, loading frame 9, platform center 10; Platform is scale mark 11 radially, platform circumference scale mark 12, lateral attitude line 13, drive motor 14, eccentric activator 15; Shaft coupling 16, the position line 21, center pit 22, wheel center 30, wheel RADIAL 31;
Embodiment
Embodiment 1, and to shown in Figure 4, the axle locating that is applied to the wheel shaft torture test includes like Fig. 1:
On the testing table that carries out the wheel shaft torture test 1, calibrate platform center 10, platform radially scale mark 11 and platform circumference scale mark 12;
On by examination wheel shaft 2, calibrate the position line 21 of pasting the stress detection lug, the position line 21 is demarcated in the corner of being tried wheel shaft 2 and by the periphery of examination wheel shaft 2 particularly;
On wheel 3, calibrate wheel center 30 and wheel RADIAL 31;
Be provided with at 10 places, platform center can vertical up-down and with the top, location 4 that is complementary by the center pit 22 of examination wheel shaft 2.
4 connections one of top, location drive the hydraulic cylinder 5 of its vertical up-down, and hydraulic cylinder 5 is arranged on testing table 1 inside and is communicated with external hydraulic pump through groove 6 interior oil pipes 7.
Loading frame 9 sidepieces demarcation carrying horizontal cylinder 8 has lateral attitude line 13.
Use above-mentioned axle locating and can realize following wheel shaft localization method:
On the testing table that carries out the wheel shaft torture test 1, calibrate platform center 10, platform radially scale mark 11 and platform circumference scale mark 12;
On by examination wheel shaft 2, calibrate the position line 21 of pasting the stress detection lug, the position line 21 is demarcated corner and the periphery at quilt examination wheel shaft 2;
On wheel 3, calibrate wheel center 30 and wheel RADIAL 31;
Be provided with at 10 places, platform center can vertical up-down and with the top, location 4 that is complementary by the center pit 22 of examination wheel shaft 2;
Confirm the installation site of drive motor with reference to platform center 10;
Tried wheel shaft 2 and wheel 3 by location top 4 vertical jack-up, with reference to platform radially scale mark 11 and wheel RADIAL 31, platform circumference scale mark 12 and wheel 3 edges, thereby confirmed test platform 1 with by the concentricity of examination wheel shaft 2, wheel 3;
Paste the stress detection lug at the position line 21 places.
Loading frame 9 sidepieces carrying horizontal cylinder 8 calibrate lateral attitude line 13, thereby the horizontal cylinder of confirming to be carried 8 is with vertical each other in same surface level by examination wheel shaft 2.
Said wheel shaft localization method includes following operation steps:
With reference to the vertical center of platform center 10 definite drive motor 14 that loaded, and fixed drive motor 14;
Tried wheel shaft 2 and wheel 3 by location top 4 vertical jack-up, with reference to platform radially scale mark 11 and wheel RADIAL 31, platform circumference scale mark 12 and wheel 3 edges, thereby confirmed test platform 1 with by the concentricity of examination wheel shaft 2, wheel 3;
Top, location 4 vertical falling, wheel 3 bottom surfaces are closely connected in testing table 1, and the center pit 22 that is tried wheel shaft 2 overlaps with platform center 10;
Through shaft coupling 16 vertical drive motor 14 and the eccentric activators 15 of connecting with one heart;
Pasted the stress detection lug by the position line 21 places on the examination wheel shaft 2;
Lateral attitude line 13 with reference to loading frame 9 is installed horizontal cylinder 8, and horizontal cylinder 8 is connected in by examination wheel shaft 2;
Come into effect by the torture test of examination wheel shaft 2.
Claims (4)
1. an axle locating is characterized in that: on the testing table that carries out the wheel shaft torture test (1), calibrate platform center (10), platform radially scale mark (11) and platform circumference scale mark (12);
On by examination wheel shaft (2), calibrate the position line (21) of pasting the stress detection lug, on wheel (3), calibrate wheel center (30) and wheel RADIAL (31);
Platform center (10) locate to be provided with can vertical up-down and with the top, location (4) that is complementary by the center pit (22) of examination wheel shaft (2).
2. axle locating according to claim 1 is characterized in that: top, location (4) connection one drives the hydraulic cylinder (5) of its vertical up-down, and hydraulic cylinder (5) is arranged on testing table (1) inside and is communicated with external hydraulic pump through the interior oil pipe (7) of groove (6).
3. axle locating according to claim 1 and 2 is characterized in that: the position line (21) is demarcated and is being tried the corner and the periphery of wheel shaft (2).
4. axle locating according to claim 3 is characterized in that: demarcating at loading frame (9) sidepiece that carries horizontal cylinder (8) has lateral attitude line (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205376874U CN202382933U (en) | 2011-12-20 | 2011-12-20 | Wheel axle locating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205376874U CN202382933U (en) | 2011-12-20 | 2011-12-20 | Wheel axle locating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202382933U true CN202382933U (en) | 2012-08-15 |
Family
ID=46631428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205376874U Expired - Lifetime CN202382933U (en) | 2011-12-20 | 2011-12-20 | Wheel axle locating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202382933U (en) |
-
2011
- 2011-12-20 CN CN2011205376874U patent/CN202382933U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Patentee after: CRRC QINGDAO SIFANG CO., LTD. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Patentee before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120815 |
|
| CX01 | Expiry of patent term |