CN202735101U - Center assembly used in wheel set - Google Patents
Center assembly used in wheel set Download PDFInfo
- Publication number
- CN202735101U CN202735101U CN 201220456179 CN201220456179U CN202735101U CN 202735101 U CN202735101 U CN 202735101U CN 201220456179 CN201220456179 CN 201220456179 CN 201220456179 U CN201220456179 U CN 201220456179U CN 202735101 U CN202735101 U CN 202735101U
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- China
- Prior art keywords
- screw
- pedestal
- fixed
- slip cap
- affixed
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- Expired - Fee Related
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Abstract
The utility model provides a center assembly used in a wheel set. The center assembly comprises a center, a taper sleeve, a fixed screw, a slide cover, a base, a dust cover, a rear gland, and execution components. A head of the fixed screw is solidly connected and coordinated with the taper sleeve, and a rod portion is connected and coordinated with center threads. The taper sleeve is fixedly connected on a front end of the slide cover. An inner hole of a central axis of a base has a same dimension with an outer cylinder of the slide cover. The slide cover is sleeved in the cylindrical inner hole of the base. The dust cover is fixed disposed on a front surface of the base. The rear gland is fixed disposed on a back surface of the base. The execution components comprise a fixed portion and a movable portion. The movable portion is fixedly connected with the slide cover, and the fixed portion is fixedly connected with the rear gland or the base. The center assembly can accurately measure the wheel set and accurately position the wheel set, and safety and reliability of the wheel set in operation is guaranteed. Simultaneously, the center assembly is advantaged by a wide application range and easy operation.
Description
Technical field
The utility model relates to a kind of to the device of wheel to measuring and locating, and relates in particular to the top assembly of a kind of automatic dimension measuring machine measurement and location.
Background technology
Along with train repeatedly raises speed and introduction and the production domesticization of motor train unit, cause the design continuous renewal right to vehicle wheel, wheel right kind in home and abroad is varied, make that each is made, maintenance, measure existing take turns right, on quality and function, can not adapt to these novel take turns right wheel, axletree, etc. measure and the requirement of location.Must take turns reliably the advanced person and satisfy right measurement and the location of various different wheels to measuring, locate production line, production efficiency and precision that the raising wheel is right, the assurance wheel is to using operating safe reliability.
The utility model content
It is accurate that problem to be solved in the utility model provides a kind of measurement, registration be used for taking turns right top assembly.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of be used to taking turns right top assembly, comprise top, tapered sleeve, standing screw, slip cap, pedestal, dust cap, rear pressing cover, execution unit; Described top circular cone and the round platform of comprising, circular cone is working portion, and round platform is the coupling part, and the center position of the end face of round platform has a threaded hole; The profile of described tapered sleeve is a cylinder, and tapered sleeve central axis place has a bellmouth; Described standing screw comprises head and bar section, and the head of standing screw cooperates affixed with tapered sleeve round platform end, and bar section and the point threads of standing screw are connected; Described slip cap is one circular, and the slip cap superolateral surface is provided with a flat key; Described tapered sleeve is fixed in the fore-end of slip cap, the central axis place of described pedestal has a cylindrical bore, the outside cylinder consistent size of cylindrical bore and slip cap, also have a keyway on the endoporus of pedestal, described slip cap is sleeved in the cylindrical bore of pedestal, dust cap is fixed on the front end face of pedestal, rear pressing cover is fixed on the rear end face of pedestal, described execution unit comprises fixed part and moving part, moving part and slip cap are affixed, and fixed part and rear pressing cover or pedestal are affixed.
Further, described execution unit can be electric executing part or hydraulic pressure execution unit; Described electric executing part comprises screw mandrel, screw, power wheel, screw mandrel and screw are connected, screw mandrel cooperates affixed with power wheel, the rear end face of described screw and slip cap is affixed, described screw mandrel is connected by bearing and round nut and rear pressing cover, and described power wheel is fixed on the screw mandrel by flat key and round nut; Described hydraulic pressure execution unit comprises cylinder body, piston, piston rod, oil cylinder cover, the front end shaft extension of described piston rod is provided with external thread, described piston middle spindle line place is provided with screwed hole of centre, piston rod cooperates affixed with piston thread, cylinder body is fixed in the rear end part of slip cap, and oil cylinder cover cooperates affixed with the opening part of cylinder body, and piston rod is fixed on the rear pressing cover, the piston rod rear end face is provided with two air admission holes, and the both sides of piston are led to respectively in the outlet of two air admission holes.
Further, circumferentially be provided with two grooves on the cylindrical bore of described pedestal, the side of pedestal is provided with two screws, and wherein a groove and a screw connect, and another groove and another screw connect, and coupling has a lubricating cup on each screw.
Further, described power wheel can be belt wheel, sprocket wheel or gear.
Advantage and the good effect that the utlity model has are: accurate to taking turns right measurement, registration, guaranteed the wheel to work operating safe reliability; Simultaneously, has advantages of applied widely, easy operating.
Description of drawings
Fig. 1 is that execution unit is the top assembly structure schematic diagram of electric executing part;
Fig. 2 is that execution unit is the top assembly structure schematic diagram of hydraulic pressure execution unit;
Fig. 3 is the structural arrangement schematic diagram of embodiment 1;
Fig. 4 is the structural arrangement schematic diagram of embodiment 2;
Fig. 5 is the structural arrangement schematic diagram of embodiment 3.
Among the figure:
1, top 2, tapered sleeve 3, slip cap
4, standing screw 5, flat key 6, keyway
7, pedestal 8, dust cap 9, screw mandrel
10, screw 11, rear pressing cover 12, power wheel
13, round nut 14, flat key 15, round nut
16, taper roll bearing 17, deep groove ball bearing 18, thrust roller bearing
19, groove 20, lubricating cup 21, rear pressing cover
22, oil cylinder cover 23, cylinder body 24, piston rod
25, piston
Embodiment
Listing three embodiment below in conjunction with accompanying drawing is further elaborated the utility model.
As shown in Figure 1, a kind of be used to taking turns right top assembly, comprise top 1, tapered sleeve 2, standing screw 3, slip cap 3, pedestal 7, dust cap 8, rear pressing cover 11 or rear pressing cover 21, execution unit; Top 1 comprises circular cone and round platform, and circular cone is working portion, and round platform is the coupling part, and the center position of round platform end face has a threaded hole; The profile of tapered sleeve 2 is a cylinder, and tapered sleeve 2 central axis places have a bellmouth; Standing screw 4 comprises head and bar section, and head and tapered sleeve 2 threaded engagement are affixed, and the external thread of bar section is connected with top screw-internal thread fit, like this set bolt 4 just will top 1 and tapered sleeve 2 firmly be connected together, and top replacing makes things convenient for; Slip cap 3 is one circular, and slip cap is provided with a flat key; Tapered sleeve 2 is fixed in the fore-end of slip cap 3 by bolt; The central axis place of pedestal 7 has a cylindrical bore, the outside cylinder consistent size of cylindrical bore and slip cap, also have a keyway on the endoporus of pedestal 7, slip cap 3 is sleeved in the cylindrical bore of pedestal, keyway on flat key on the slip cap 3 and the pedestal 7 is connected, play the effect of guiding, prevented top circumferential rotation, avoided so top 1 owing to the diameter run-out of circumferentially rotating generation affects the right measurement of wheel and the accuracy of location; Dust cap 8 is fixed on the front end face of pedestal 7, and rear pressing cover 11 is fixed on the rear end face of pedestal 7; Execution unit comprises fixed part and moving part, and moving part and slip cap 3 are affixed, and fixed part and rear pressing cover 11 or pedestal 7 are affixed.
As shown in Figure 1, circumferentially be provided with two grooves on the cylindrical bore of pedestal 7, the side of pedestal 7 is provided with two screws, and wherein a groove and a screw connect, and another groove and another screw connect, all mate on each screw a lubricating cup is arranged, be full of lubricating oil in the groove, slip cap 3 can be slided in the endoporus of pedestal 7 and skid off smoothly, and protected two cooperating faces of slip cap 3 and pedestal 7, prolong the life-span of whole device, reduced cost; Dust cap plays dustproof, the effect of sealing.
In the present embodiment, wheel is electric executing part to the execution unit of the top assembly of both sides, as shown in Figure 1, electric executing part comprises screw mandrel 9, screw 10, power wheel 12, the present embodiment adopts belt wheel, screw mandrel 9 is connected with screw 10, screw mandrel 9 cooperates affixed with belt wheel by flat key, screw 10 is affixed by the rear end face of bolt and slip cap 3, screw mandrel 9 passes through bearing, round nut and rear pressing cover 11 are connected, motor drive mechanism band movable belt pulley rotates, belt wheel drives screw mandrel 9 by flat key 14 and rotates, because flat key 5 effects between pedestal 7 and the slip cap 3, so that screw 10 can not circumferentially rotate, so screw mandrel 9 rotates and will further promote screw 10, slip cap 3, tapered sleeve 2 and top 1 is mobile forwards, backwards to wheel the other side together, plays the effect of measuring with the location.
Fig. 3 is the present embodiment to the layout schematic diagram of wheel to measuring and locating, and wheel is electric executing part to the execution unit of the top assembly of both sides.
The present embodiment difference from Example 1 is: the execution unit of two top assemblies is the hydraulic pressure execution unit, as shown in Figure 2, the hydraulic pressure execution unit comprises cylinder body 23, piston 25, piston rod 24, oil cylinder cover 22, the front end shaft extension of piston rod 24 is provided with external thread, the central axis place of piston 25 is provided with screwed hole of centre, both screw threads are affixed, cylinder body 23 is fixed in the rear end part of slip cap 3, oil cylinder cover 22 is by the opening part of the affixed cylinder body 23 of bolt, piston rod 24 exceedingly high bolts are fixed on the rear pressing cover 21, piston rod 24 rear end faces are provided with two air admission holes, the both sides of piston 25 are led to respectively in the outlet of two air admission holes, so just make piston 25 that cylinder has been divided into two air chambers, one of them air admission hole leads to one of them air chamber, another air admission hole leads to another air chamber, in two air admission holes, during an air inlet, other is individual then to give vent to anger, alternately inflating by turns of air chamber just realized alternately changing of two air chamber spaces, the variation in air chamber space further drives slip cap 3, tapered sleeve 2 and top 1 moves forwards, backwards to wheel the other side, realizes taking turns right measurement and location.。
Fig. 4 is the present embodiment to the layout schematic diagram of wheel to measuring and locating, and wheel is the hydraulic pressure execution unit to the execution unit of the top assembly of both sides.
The present embodiment and above-mentioned two embodiment differences are: the design feature that combines above-mentioned two embodiment, the execution unit that is one of them top assembly is electric executing part as described in Example 1, and the execution unit of another top assembly is hydraulic pressure execution unit as described in Example 2.
Fig. 5 is the present embodiment to the layout schematic diagram of wheel to measuring and locating, and wheel is electric executing part to the execution unit of the top assembly of a side, and wheel is the hydraulic pressure execution unit to the execution unit of the top assembly of opposite side.
In sum, the utility model is accurate to taking turns right measurement, and registration has guaranteed that namely wheel in the operating safe reliability of work, has advantages of again applied widely, easy operating.
Above three embodiment of the present utility model are had been described in detail, but described content only is preferred embodiment of the present utility model, can not be considered to be used to limiting practical range of the present utility model.All equalizations of doing according to the utility model application range change and improve etc., all should still belong within the patent covering scope of the present utility model.
Claims (4)
1. one kind is used for taking turns right top assembly, it is characterized in that: comprise top, tapered sleeve, standing screw, slip cap, pedestal, dust cap, rear pressing cover, execution unit; Described top circular cone and the round platform of comprising, circular cone is working portion, and round platform is the coupling part, and the center position of round platform end face has a threaded hole; The profile of described tapered sleeve is a cylinder, and tapered sleeve central axis place has a bellmouth; Described standing screw comprises head and bar section, and the head of standing screw cooperates affixed with tapered sleeve round platform end, and bar section and the point threads of standing screw are connected; Described slip cap is one circular, and the slip cap lateral surface is provided with a flat key; Described tapered sleeve is fixed in the fore-end of slip cap, the central axis place of described pedestal has a cylindrical bore, the outside cylinder consistent size of cylindrical bore and slip cap, also have a keyway on the endoporus of pedestal, described slip cap is sleeved in the cylindrical bore of pedestal, dust cap is fixed on the front end face of pedestal, rear pressing cover is fixed on the rear end face of pedestal, described execution unit comprises fixed part and moving part, moving part and slip cap are affixed, and fixed part and rear pressing cover or pedestal are affixed.
2. according to claim 1 be used to taking turns right top assembly, it is characterized in that: described execution unit can be electric executing part or hydraulic pressure execution unit; Described electric executing part comprises screw mandrel, screw, power wheel, screw mandrel and screw are connected, screw mandrel cooperates affixed with power wheel, the rear end face of described screw and slip cap is affixed, described screw mandrel is connected by bearing and round nut and rear pressing cover, and described power wheel is fixed on the screw mandrel by flat key and round nut; Described hydraulic pressure execution unit comprises cylinder body, piston, piston rod, oil cylinder cover, the front end shaft extension of described piston rod is provided with external thread, described piston middle spindle line place is provided with screwed hole of centre, piston rod cooperates affixed with piston thread, cylinder body is fixed in the rear end part of slip cap, and oil cylinder cover cooperates affixed with the opening part of cylinder body, and piston rod is fixed on the rear pressing cover, the piston rod rear end face is provided with two air admission holes, and the both sides of piston are led to respectively in the outlet of two air admission holes.
3. according to claim 1 be used to taking turns right top assembly, it is characterized in that: circumferentially be provided with two grooves on the cylindrical bore of described pedestal, the side of pedestal is provided with two screws, wherein a groove and a screw connect, another groove and another screw connect, and coupling has a lubricating cup on each screw.
4. according to claim 2 be used to taking turns right top assembly, it is characterized in that: described power wheel can be belt wheel, sprocket wheel or gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220456179 CN202735101U (en) | 2012-09-07 | 2012-09-07 | Center assembly used in wheel set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220456179 CN202735101U (en) | 2012-09-07 | 2012-09-07 | Center assembly used in wheel set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202735101U true CN202735101U (en) | 2013-02-13 |
Family
ID=47660788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220456179 Expired - Fee Related CN202735101U (en) | 2012-09-07 | 2012-09-07 | Center assembly used in wheel set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202735101U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106855147A (en) * | 2015-12-09 | 2017-06-16 | 王翔 | A kind of pneumatic linear actuator for controlling valve rod |
| CN112112858A (en) * | 2019-06-19 | 2020-12-22 | 北京航天瑞泰液压技术有限公司 | Self-locking hydraulic center |
-
2012
- 2012-09-07 CN CN 201220456179 patent/CN202735101U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106855147A (en) * | 2015-12-09 | 2017-06-16 | 王翔 | A kind of pneumatic linear actuator for controlling valve rod |
| CN112112858A (en) * | 2019-06-19 | 2020-12-22 | 北京航天瑞泰液压技术有限公司 | Self-locking hydraulic center |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20140907 |
|
| EXPY | Termination of patent right or utility model |