CN208780717U - A kind of shaft end speed measuring device - Google Patents
A kind of shaft end speed measuring device Download PDFInfo
- Publication number
- CN208780717U CN208780717U CN201820953112.2U CN201820953112U CN208780717U CN 208780717 U CN208780717 U CN 208780717U CN 201820953112 U CN201820953112 U CN 201820953112U CN 208780717 U CN208780717 U CN 208780717U
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- Prior art keywords
- speed
- shaft end
- drive rod
- tests
- measuring device
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Abstract
A kind of this shaft end speed measuring device, including shaft end front cover (7), bottom plate (9) are housed on the outside of shaft end front cover (7) center, shaft end front cover (7) center is also connected with the drive rod that tests the speed (10), drive rod (10) outside test the speed equipped with bearing (8), bearing block (14) are set on the outside of the bearing (8), it is fixed device (6) equipped with flexural pivot on the outside of bearing block (14), test the speed drive rod (10) end connection sensor (17), bottom plate (9) includes through-hole, test the speed drive rod (10) pass through the bottom plate (9) through-hole.Using the above scheme, velocity sensor can be installed to the acquisition that shaft end carries out speed signal, flexural pivot fixed form is readily disassembled and is hardly damaged.The utility model has the features such as small in size, reliable performance.
Description
Technical field
The utility model relates to a kind of large-scale maintenance machinery shaft end speed measuring devices, belong to railway machinery design and manufacturing technology
Field.
Background technique
Since the speed monitoring of large-scale maintenance machinery, mileage etc. need to carry out its vehicle velocity measuring, usually speed
Spending collection point can be in transfer case, axle gear box or shaft end, and because dimensional space or the structure of components limit, need to develop design has
The speed measuring device of various types can only be installed such as the tunnel screen scarifier three-axle bogie of hydrostatic drive in shaft end.It tests the speed shaft end
And relatively common one kind tests the speed pattern.But structure is complicated for shaft end, there is axle box, bearing, end cap etc., to speed measuring device can
High requirement is proposed by property.
Summary of the invention
The utility model provides a kind of shaft end speed measuring device comprising shaft end front cover, shaft end front cover center outside dress
There is bottom plate, shaft end front cover center is also connected with the drive rod that tests the speed, and bearing, bearing outside are housed on the outside of the drive rod that tests the speed
Bearing set seat, the bearing block outside is equipped with the fixed device of flexural pivot.
Preferably, sealing ring is additionally provided between the bearing block and the drive rod that tests the speed.
Preferably, screw thread briquetting is additionally provided between the bearing block and the drive rod end of testing the speed.
Preferably, the drive rod end connection sensor that tests the speed.
Preferably, washer is equipped between the screw thread briquetting and the sensor of the drive rod end of testing the speed.
Preferably, spacer sleeve and circlip for shaft are additionally provided between the bearing and the drive rod that tests the speed.
Preferably, the bottom plate includes through-hole, and the drive rod that tests the speed passes through the through-hole of the bottom plate.
Preferably, the shaft end speed measuring device is assemblied in axle shaft end, the case where not influencing other components of shaft end
Under, the rotation of axle can be passed to velocity sensor by the drive rod that tests the speed.It tests the speed on drive rod equipped with bearing, is outside bearing
Bearing block fixes device with flexural pivot and bearing block is fixed on axle box, prevents the bearing block from drive rod rotation of testing the speed.Bearing
It is equipped with sealing ring between seat and the drive rod that tests the speed, can guarantee the seal request of shaft end.Screw thread pressure is equipped in the end of bearing block
Block provides solid interface for the installation of sensor.
Preferably, the fixed device of the flexural pivot includes two flexural pivots, is equipped with threaded rod, the spiral shell between described two flexural pivots
Rasp bar is anchored at two flexural pivots by nut, further includes lock washer between the nut and the flexural pivot, described two balls
A flexural pivot in hinge is fixed on the bearing block, another flexural pivot is fixed on the axle box, the fixed dress of the flexural pivot
The effect set be prevent the bearing block with drive rod rotation of testing the speed, and allow bearing block with respect to axle box have certain longitudinal direction with
Lateral shift amount.
The working method of shaft end speed measuring device described in the utility model is: speed measuring device is loaded on bogie by shaft end front cover
Axle end, to make speed measuring device rotate together with axle during the work time, the drive rod that tests the speed is fixed on shaft end front cover
On, it is equipped with bearing and sealing ring between bearing block and the drive rod that tests the speed, uses spacer sleeve and circlip for shaft between two bearings
It separates, washer and bolt fix bearing block and screw thread briquetting, and the fixed device of flexural pivot passes through mounting base for bearing block and screw thread
Briquetting is fixed on axle box, and sensor is installed on screw thread briquetting.The drive rod that tests the speed is rotated with axle, drives sensor internal
Rotation, reaches the purpose that tests the speed.
Shaft end speed measuring device described in the utility model has following advantages and effect compared with prior art: using above-mentioned side
Velocity sensor, can be installed to the acquisition that shaft end carries out speed signal by case, and flexural pivot fixed form is readily disassembled and is hardly damaged.
The utility model has the features such as small in size, reliable performance.
Detailed description of the invention
Fig. 1 is the schematic view of the mounting position of a preferred embodiment of shaft end speed measuring device described in the utility model;
Fig. 2 is the structural schematic diagram of the shaft end speed measuring device of embodiment illustrated in fig. 1;
Fig. 3 is the A-A cross-sectional view of embodiment illustrated in fig. 2;
Fig. 4 is the partial enlarged view of axial end portion in Fig. 3;
Numeral mark in Fig. 1-Fig. 4 is meant that:
1, bogie frame 2, speed measuring device 3, wheel 4, axle box 5, mounting base
6, the fixed device 7 of flexural pivot, shaft end front cover 8, bearing 9, bottom plate 10, test the speed drive rod 11, sealing ring
12, spacer sleeve 13, circlip for shaft 14, bearing block 15, screw thread briquetting 16, washer 17, sensing
Device.
Specific embodiment
Shaft end speed measuring device described in the utility model is described further with reference to the accompanying drawing.
Embodiment 1.1: a kind of shaft end speed measuring device comprising shaft end front cover 7,7 center of shaft end front cover outside are equipped with bottom
Plate 9,7 center of shaft end front cover are also connected with the drive rod 10 that tests the speed, bearing 8, the bearing 8 are housed on the outside of the drive rod 10 that tests the speed
Outside is set with bearing block 14, and flexural pivot fixed device is housed on the outside of the bearing block 14.
Sealing ring 11 is additionally provided between the bearing block 14 and the drive rod 10 that tests the speed.
Screw thread briquetting 15 is additionally provided between the bearing block 14 and 10 end of drive rod of testing the speed.
10 end of the drive rod connection sensor 17 that tests the speed.
Washer 16 is equipped between the screw thread briquetting 15 and the sensor 17 of 10 end of drive rod of testing the speed.
Spacer sleeve 12 and circlip for shaft 13 are additionally provided between the bearing 8 and the drive rod 10 that tests the speed.
The bottom plate 9 includes through-hole, and the drive rod 10 that tests the speed passes through the through-hole of the bottom plate 9.
The shaft end speed measuring device is assemblied in axle shaft end, can be by vehicle in the case where not influencing other components of shaft end
The rotation of axis passes to velocity sensor by the drive rod that tests the speed.It tests the speed on drive rod equipped with bearing, is bearing block outside bearing, uses
Bearing block is fixed on axle box by the fixed device of flexural pivot, prevents the bearing block from drive rod rotation of testing the speed.It bearing block and tests the speed
It is equipped with sealing ring between drive rod, can guarantee the seal request of shaft end.It is equipped with screw thread briquetting in the end of bearing block, for sensing
The installation of device provides solid interface.
The fixed device 6 of flexural pivot includes two flexural pivots, is equipped with threaded rod between described two flexural pivots, which passes through nut
It is anchored at two flexural pivots, further includes lock washer between the nut and the flexural pivot, in described two flexural pivots a ball
Hinge is fixed on the bearing block, another flexural pivot is fixed on the axle box, and the effect of the fixed device of the flexural pivot is anti-
Only the bearing block is with drive rod rotation of testing the speed, and bearing block is allowed to have the displacements of certain vertical and horizontal with respect to axle box
Amount.
It is also equipped with triangle check washer and mark plate between the shaft end speed measuring device and the axle, as shown in Fig. 2,
Three angles of the triangle check washer are installed in the axle by bolts at axle end.
Speed measuring device 2 is mounted in the shaft end portion of bogie, and shaft end front cover 6 is installed to axle end, and rotates together with axle,
The drive rod 9 that tests the speed is fixed on shaft end front cover 6, and there are two bearing 7 and sealing rings for dress between bearing block 13 and the drive rod 9 that tests the speed
10, it is separated with spacer sleeve 11 and circlip for shaft 12 between two bearings 7, washer 15 and bolt are by bearing block 13 and screw thread pressure
Block 14 is fixed, and bearing block 13 and screw thread briquetting 14 are fixed on axle box 4 by the fixed device 5 of flexural pivot, and sensor 16 is mounted on spiral shell
On line briquetting 14, the drive rod 9 that tests the speed is rotated with axle, is driven 16 internal rotating of sensor, is reached the purpose that tests the speed.
The working method of shaft end speed measuring device described in the utility model is: speed measuring device 2 is by shaft end front cover 7 loaded on steering
The axle end of frame, so that speed measuring device 2 be made to rotate together with axle during the work time, the drive rod 10 that tests the speed is fixed on shaft end
On front cover 7, it is equipped with bearing 8 and sealing ring 11 between bearing block 14 and the drive rod 10 that tests the speed, uses spacer sleeve 12 between two bearings 8
It is separated with circlip for shaft 13, washer 16 and bolt are fixed by bearing block 14 and screw thread briquetting 15, and the fixed device 6 of flexural pivot passes through
Bearing block 14 and screw thread briquetting 15 are fixed on axle box 4 by mounting base 5, and sensor 17 is installed on screw thread briquetting 15.It surveys
Fast drive rod 10 is rotated with axle, is driven 17 internal rotating of sensor, is reached the purpose that tests the speed.
Shaft end speed measuring device described in the utility model has following advantages and effect compared with prior art: using above-mentioned side
Velocity sensor, can be installed to the acquisition that shaft end carries out speed signal by case, and flexural pivot fixed form is readily disassembled and is hardly damaged.
The utility model has the features such as small in size, reliable performance.
Claims (8)
1. a kind of shaft end speed measuring device, it is characterised in that: including shaft end front cover (7), bottom is housed on the outside of shaft end front cover (7) center
Plate (9), shaft end front cover (7) center are also connected with the drive rod that tests the speed (10), bearing (8) are housed on the outside of the drive rod that tests the speed (10), the axis
It holds and is set with bearing block (14) on the outside of (8), fixed device (6) equipped with flexural pivot on the outside of bearing block (14), the drive rod that tests the speed (10) end
It connects sensor (17), bottom plate (9) includes through-hole, and the drive rod that tests the speed (10) passes through the through-hole of the bottom plate (9).
2. shaft end speed measuring device as described in claim 1, it is characterised in that: between bearing block (14) and the drive rod that tests the speed (10)
It is additionally provided with sealing ring (11).
3. shaft end speed measuring device as claimed in claim 1 or 2, it is characterised in that: bearing block (14) and the drive rod that tests the speed (10)
Screw thread briquetting (15) are additionally provided between end.
4. shaft end speed measuring device as described in claim 1, it is characterised in that: the screw thread briquetting of the drive rod that tests the speed (10) end
(15) washer (16) are equipped between the sensor (17).
5. shaft end speed measuring device as described in claim 1, it is characterised in that: between bearing (8) and the drive rod that tests the speed (10) also
Equipped with spacer sleeve (12) and circlip for shaft (13).
6. shaft end speed measuring device as described in claim 1, it is characterised in that: the shaft end speed measuring device is assemblied in axle axis
Bearing block (14) is fixed on the axle box of axle by end, flexural pivot fixed device (6), makes the bearing block (14) cannot be with transmission of testing the speed
Bar (10) rotation.
7. shaft end speed measuring device as claimed in claim 6, it is characterised in that: flexural pivot fixed device (6) includes two flexural pivots, institute
It states and is equipped with threaded rod between two flexural pivots, which is anchored at two flexural pivots by nut.
8. shaft end speed measuring device as claimed in claim 7, it is characterised in that: further include preventing between the nut and the flexural pivot
Loose washer, a flexural pivot in described two flexural pivots are fixed on bearing block (14), another flexural pivot is fixed on the axle box.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820953112.2U CN208780717U (en) | 2018-06-20 | 2018-06-20 | A kind of shaft end speed measuring device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201820953112.2U CN208780717U (en) | 2018-06-20 | 2018-06-20 | A kind of shaft end speed measuring device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208780717U true CN208780717U (en) | 2019-04-23 |
Family
ID=66152609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201820953112.2U Active CN208780717U (en) | 2018-06-20 | 2018-06-20 | A kind of shaft end speed measuring device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208780717U (en) |
-
2018
- 2018-06-20 CN CN201820953112.2U patent/CN208780717U/en active Active
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: BEIJING RUIWEITONG ENGINEERING MACHINERY Co.,Ltd. Assignor: CRCC HIGH-TECH EQUIPMENT Corp.,Ltd. Contract record no.: X2023530000015 Denomination of utility model: A shaft end speed measuring device Granted publication date: 20190423 License type: Common License Record date: 20230419 |
|
EE01 | Entry into force of recordation of patent licensing contract |