CN201205287Y - Guide-rail transport wheel set - Google Patents
Guide-rail transport wheel set Download PDFInfo
- Publication number
- CN201205287Y CN201205287Y CNU2008201186667U CN200820118666U CN201205287Y CN 201205287 Y CN201205287 Y CN 201205287Y CN U2008201186667 U CNU2008201186667 U CN U2008201186667U CN 200820118666 U CN200820118666 U CN 200820118666U CN 201205287 Y CN201205287 Y CN 201205287Y
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- CN
- China
- Prior art keywords
- roller support
- guide rail
- upper roller
- bottom roller
- walking wheels
- 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 relates to a guide rail travel wheel set which travels along a guide rail; the guide rail comprises an upper metal plate and a lower metal plate; a gap is formed between the upper metal plate and the lower metal plate; the guide rail travel wheel set comprises an upper roller, a lower roller, an upper roller support used to support the upper roller, a lower roller support used to support the lower roller and at least an elastic bracket which is arranged between the upper roller support and the lower roller support. The guide rail travel wheel set is in particular applicable to X-ray photographic system; because of the elastic bracket, the upper roller and the lower roller are respectively tightly adhered with the upper metal plate and the lower metal plate of the guide rail, so that the guide rail travel wheel set can more stably move along the guide rail, which improves the imaging quality of the X-ray photographic system.
Description
Technical field
This utility model relates to the running gear of a kind of X-ray radiography system, especially a kind of guide rail walking wheels that are used for the X-ray radiography system.
Background technology
Usually use the X-ray radiography system that patient's whole body or part are carried out fluoroscopic examination in the medical treatment, for example, shown in Figure 1 is a kind of the intestines and stomach fluoroscopic machine, is used for by X ray patient's the intestines and stomach being taken a picture, to obtain the information of patient's relevant diseases organ or tissue.
X-ray radiography shown in Figure 1 system comprises 1, one spot film photographic means 2 of an x ray generator and the upright post system 3 that spot film photographic means 2 is linked to each other with the x ray generator 1 of its top.Spot film photographic means 2 tops have a bed board (not shown) that supplies the patient to overlie, and the bottom is supported on the guide rail 5 of pair of parallel setting by a plurality of guide rail road wheel assemblies 4.
When need carry out cryptoscopy to the patient, at first, the patient is lain on the bed board of spot film photographic means 2 tops, then, make x ray generator 1 and spot film photographic means 2 along guide rail 5 same moved further by the appropriate driving device (not shown), and the position of x ray generator 1 and 2 pairs of needs of patients inspections of spot film photographic means is positioned, can carry out fluoroscopic examination once the position is set.
The general configuration amplification of guide rail road wheel assembly 4 noted earlier is illustrated among Fig. 2, and as shown in Figure 2, described guide rail road wheel assembly 4 comprises a bottom roller 40 and a upper roller 41.The rotating shaft 401 of bottom roller 40 and the rotating shaft 411 of upper roller 41 are installed in rotation on the support frame of spot film photographic means 2 belows.
When installing, normally determine the installation site of bottom roller 40 and upper roller 41 with respect to certain certain location of guide rail 5, but, because the error that is caused in manufacturing or the use, on the length direction of whole guide rail 5, gap 53 between the last metallic plate 51 of guide rail 5 and the following metallic plate 50 is not on all four, this can cause the bottom roller 40 of guide rail walking wheels 4 and upper roller 41 in use to be difficult to all the time to fit tightly with the following metallic plate 50 and the last metallic plate 51 of guide rail 5, influence x ray generator 1 and spot film photographic means 2 along guide rail 5 synchronization-moving stationarities, and then influence the quality of imaging.
The utility model content
Therefore, this utility model aims to provide a kind of guide rail walking wheels that are used for the X-ray radiography system, to avoid and to overcome above-mentioned defective.
For achieving the above object, this utility model provides a kind of guide rail walking wheels, these guide rail walking wheels are provided for along a guide rail walking, described guide rail comprises that one is gone up metallic plate and a following metallic plate, be formed with a gap between described last metallic plate and the described following metallic plate, described guide rail walking wheels comprise: a upper roller; A bottom roller; A upper roller support that supports upper roller; A bottom roller support that supports bottom roller; At least one elastic supporting member for supporting optical member, this elastic supporting member for supporting optical member are arranged between described upper roller support and the described bottom roller support.
Described elastic supporting member for supporting optical member can adopt spring, rubber-like rubber or rubber-like reed.In use, described elastic supporting member for supporting optical member preferably is in contraction state.
At least one end of described elastic supporting member for supporting optical member is fixed on in described upper roller support and the described bottom roller support one; Perhaps, described elastic supporting member for supporting optical member is limited between described upper roller support and the described bottom roller support by one or more restriction parts.
Preferably, described walking wheels further comprise at least one adjusting lever, and this adjusting lever is arranged between described upper roller support and the described bottom roller support.Described adjusting lever is a multidiameter, and the part that this multidiameter lower diameter is bigger is a polished rod, and the less part of upper diameter is a threaded rod.
Preferably, described elastic supporting member for supporting optical member is around described adjusting lever setting.
Preferably, fixedly connected with described bottom roller support in described adjusting lever lower end, and upper end and described upper roller support flexibly connect.
Preferably, described adjusting lever lower end is welded on the described bottom roller support, and the upper end adjusts nut by one and described upper roller support flexibly connects.
Preferably, described upper roller support shape of cross section is " ∪ " shape, and the rotating shaft of described upper roller is supported on two side plates of " ∪ " shape of described upper roller support.Has a breach that holds described upper roller on the base plate of " ∪ " shape of described upper roller support.
Described bottom roller support shape of cross section is for falling " ∪ " shape, and the rotating shaft of described bottom roller is supported on falling at least one of two side plates of " ∪ " shape of described bottom roller support.Has a breach that holds described bottom roller on the base plate of " ∪ " shape of described bottom roller support.
The guide rail walking wheels that this utility model proposed are owing to adopted elastic supporting member for supporting optical member, thereby can make upper roller and bottom roller all keep fitting closely with the last metallic plate of guide rail and following metallic plate respectively, thereby can make guide rail walking wheels mobile more steady along guide rail.
Description of drawings
The following drawings is only done this utility model and is schematically illustrated and explain, does not limit scope of the present utility model.Wherein:
Fig. 1 is the sketch map of a kind of X-ray radiography system;
Fig. 2 is the II place enlarged diagram of the guide rail walking wheels of X-ray radiography shown in Figure 1 system;
Fig. 3 is the axonometric chart according to a kind of guide rail walking wheels of the present utility model;
Fig. 4 is the concrete structure sketch map of a kind of guide rail walking wheels as shown in Figure 3;
Fig. 5 is a kind of as shown in Figure 3 side view of guide rail walking wheels;
Fig. 6 is a kind of as shown in Figure 3 front view of guide rail walking wheels;
Fig. 7 is the cross-sectional schematic of the adjusting lever in a kind of as shown in Figure 3 guide rail walking wheels.
Description of reference numerals:
1 x ray generator
2 spot film photographic means, 21 sheet metal components
3 columns
4 guide rail road wheel assemblies
The 401 bottom roller rotating shafts of 40 bottom rollers
The 411 upper roller rotating shafts of 41 upper rollers
43 elastic supporting member for supporting optical member
44 adjusting levers
45 pads
46 adjust nut
5 guide rails
50 times metallic plates
Metallic plate on 51
53 gaps
54 webs
55 grooves
60 bottom roller supports
601 side plates
602 base plates
603 breach
61 upper roller supports
611 side plates
612 base plates
613 breach
614 through holes
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast the description of drawings specific embodiment of the present utility model, identical label is represented identical part in each figure.In the explanation of this paper, " one " comprises " one " and " more than one ".
Referring to Fig. 3, guide rail walking wheels 4 of the present utility model are provided for along 5 walkings of a guide rail, and this guide rail 5 has one respectively and goes up metallic plate 51 and a following metallic plate 50, and described going up between metallic plate 51 and the following metallic plate 50 is formed with a gap 53.Wherein, last metallic plate 51 links to each other by a web 54 with following metallic plate 50.Be installed in the guide rail 5 for ease of guide rail walking wheels 4, the width of the last metallic plate 51 of guide rail 5 is less than down the width of metallic plate 50.Have on the metallic plate 50 down shown in Fig. 3 one with the guide rail orbital groove 55 that the bottom roller 40 of wheels 4 adapts of walking, be used for bottom roller 40 is constrained in this orbital groove 55 walkings, make guide rail walking wheels 4 more steady along the walking of guide rail 5, can be uneasily from the following metallic plate 50 of guide rail 5 slippage come out.
Fig. 4 has shown the concrete structure of guide rail walking wheels 4, for clarity sake, does not show guide rail 5 among the figure.Guide rail walking wheels 4 comprise: 41, one upper roller supports 61 of 40, one upper rollers of a bottom roller and a bottom roller support 60 are provided with at least one elastic supporting member for supporting optical member 43 between upper roller support 61 and the bottom roller support 60.Elastic supporting member for supporting optical member 43 can be a spring, also can be other flexible members, for example rubber-like rubber or rubber-like reed etc., its effect is the state that upper roller support 61 and bottom roller support 60 is kept away from by thrust, so that the gap between the last metallic plate 51 of gap between upper roller 41 and the bottom roller 40 and guide rail 5 and the following metallic plate 50 adapts.Usually elastic supporting member for supporting optical member 43 is in contraction state, thereby has outside thrust.The two ends of elastic supporting member for supporting optical member 43 can be separately fixed on upper roller support 61 and the bottom roller support 60, also can be that an end is fixed, or even two ends are unfixing, but utilize one or more restriction parts (mentioned adjusting lever 44 for example) that it is limited between upper roller support 61 and the bottom roller support 60.Adopt guide rail walking wheels 4 of the present utility model, in upper roller support 61 and the bottom roller support 60 can be installed on the sheet metal component 21.
For example in an embodiment of the present utility model, the shape of cross section of upper roller support 61 is " ∪ " shape, the rotating shaft 411 of upper roller 41 is supported at least one of two side plates 611 of " ∪ " shape of upper roller support 61, and what show among the figure is to be supported on two side plates 611.The radius of upper roller 41 greater than rotating shaft 411 supreme rolling wheel support 61 base plates 612 apart from the time, upper roller support 61 " ∪ " has a breach 613 that holds upper roller 41 on the base plate 612 of shape.
Corresponding, bottom roller support 60 shape of cross sections are for falling " ∪ " shape, and the rotating shaft 401 of bottom roller 40 can be supported on falling at least one side of side plate 601 of " ∪ " shape of bottom roller support 60, and what show among the figure is to be supported on the side plate 601.The radius of bottom roller 40 greater than rotating shaft 401 to bottom roller support 60 fall " ∪ " shape base plate 602 apart from the time, falling of bottom roller support 60 has a breach 603 that holds bottom roller 40 on the base plate 602 of " ∪ " shape.
As shown in Figure 5, between upper roller support 61 and bottom roller support 60, an adjusting lever 44 can also be set at least, be used for further keeping upper roller support 61 and bottom roller support 60 relative position in the horizontal direction, make upper roller support 61 and bottom roller support 60 can only be on above-below direction relative motion, adjusting lever 44 also can be adjusted the thrust size of the elastic supporting member for supporting optical member 43 between upper roller support 61 and the bottom roller support 60.As shown in Figure 6, in a specific embodiment of the present utility model, be provided with two adjusting levers 44 between upper roller support 61 and the bottom roller support 60, correspondingly, two elastic supporting member for supporting optical member 43 are provided with around corresponding adjusting lever 44 respectively, in this case, the two ends of elastic supporting member for supporting optical member 43 can be fixed, and also can not fix.In addition, also can adopt three contiguous above adjusting levers 44 that an elastic supporting member for supporting optical member 43 is limited between the adjusting lever, avoid elastic supporting member for supporting optical member 43 to slide in the horizontal direction.
Certainly, elastic supporting member for supporting optical member 43 and adjusting lever 44 also can separately be provided with, for example, in another embodiment of the present utility model, spring as elastic supporting member for supporting optical member 43 can be welded on respectively on upper roller support 61 and the bottom roller support 60 at two ends, and adjusting lever 44 is arranged on other positions between upper roller support 61 and the bottom roller support 60, might not be located in like that in the elastic supporting member for supporting optical member 43 as shown in the figure.
As shown in Figure 7, fixedly connected with bottom roller support 60 in adjusting lever 44 lower ends, and upper end and upper roller support 61 flexibly connect; Perhaps, this connected mode of adjusting lever 44 also can be inverted, that is, adjusting lever 44 lower ends and bottom roller support 60 flexibly connect, and fixedlys connected with upper roller support 61 in the upper end; Perhaps, adjusting lever 44 two ends can keep flexibly connecting with upper roller support 61 and bottom roller support 60, adjust upward wherein gap as long as adjusting lever 44 can limit upper roller support 61 and bottom roller support 60 at upper and lower.
As shown in Figure 7, in an embodiment of the present utility model, adjusting lever 44 is a multidiameter, and wherein, the part that lower diameter is bigger is a polished rod, and the less part of upper diameter is a threaded rod.The lower end of adjusting lever 44 can be welded on the bottom roller support 60, the upper end is adjusted nut 46 by one and is flexibly connected with upper roller support 61, that is, installation site corresponding to adjusting lever 44, has a through hole 614 on the base plate 612 of upper roller support 61, its diameter is greater than the external diameter of the polished rod part of adjusting lever 44, and adjusting lever 44 passes after the through hole, is equipped with one in the end of adjusting lever 44 and adjusts nut 46.By the position of adjusting nut 46 is regulated, can change the ultimate range between upper roller support 61 and the bottom roller support 60.In addition, be blocked in the below of adjusting nut 46 and further prevent to adjust nut 46 in order to ensure upper roller support 61 and get loose, can also below adjusting nut 46, a pad 45 be set.
Above with reference to accompanying drawing to describing in detail according to the concrete structure of guide rail of the present utility model walking wheels 4, below it is installed adjustment mode and is further detailed.
Shown in Fig. 3-7, in assembling guide rail walking wheels 4, on upper roller support 61 and bottom roller support 60, install roller 41 and bottom roller 40 at first respectively usually.
Then, two elastic supporting member for supporting optical member 43 are located on the adjusting lever 44 that is welded on the bottom roller support 60, make adjusting lever 44 pass through hole 614 on the base plate 612 of upper roller support 61 then, place pad 45 in the end of adjusting lever 44 upper ends again and screw on and adjust nut 46.
Afterwards, utilize the distance between external force (for example using manpower) compression upper roller support 61 and the bottom roller support 60, make it, the guide rail walking wheels 4 that assemble can be installed between the guide rail 5 less than the last metallic plate 51 of guide rail 5 and the gap between the following metallic plate 50.If desired, can also further regulate the position of above-mentioned adjustment nut 46, thereby regulate the ultimate range between upper roller support 61 and the bottom roller support 60.
When the x ray generator 1 of the guide rail that assembles walking wheels 4 support X ray photographic systems and spot film photographic means 2 are synchronization-moving along guide rail 5, bottom roller 40 can closely contact with the following metallic plate 50 of bottom roller support 60 under action of gravity, and upper roller 41 can under the thrust of elastic supporting member for supporting optical member 43 with upper roller support 61 on metallic plate 51 closely contact, therefore, even because the existence of manufacturing or use error, make the last metallic plate 51 of guide rail 5 and the gap 53 between the following metallic plate 50, even the length direction at whole guide rail 5 is also not quite identical, this utility model also can guarantee in use, the upper roller 41 of guide rail walking wheels 4 and bottom roller 40 also can all keep fitting closely with the last metallic plate 51 and the following metallic plate 50 of guide rail 5, thereby can make ray generator 1 and spot film photographic means 2 more steady with moved further, thereby improved the quality of x-ray imaging along guide rail 5.
Certainly, if the excesssive gap between the last metallic plate 51 of guide rail 5 and the following metallic plate 50, also can transfer pine to adjust nut 46 once a little, make under the thrust of elastic supporting member for supporting optical member 43, gap between the distance between upper roller support 61 and the bottom roller support 60 and the last metallic plate 51 of guide rail 5 and the following metallic plate 50 adapts, can guarantee in use that equally also the upper roller 41 of guide rail walking wheels 4 and bottom roller 40 are fitted closely with the last metallic plate 51 and the 50 lasting maintenances of following metallic plate of guide rail 5 respectively.Ability and technical staff should be appreciated that this adjustment only is the adjustment under a kind of limit state, adjust nut 46 and pad 45 under the normal condition and be the end difference office that tightly is screwed in adjusting lever 44.
The guide rail walking wheels that this utility model proposed are owing to adopted elastic supporting member for supporting optical member, thereby can make upper roller and bottom roller all keep fitting closely with the last metallic plate of guide rail and following metallic plate respectively, thereby can make guide rail walking wheels mobile more steady along guide rail.
Certainly; those skilled in the art are to be understood that; these guide rail walking wheels 4 also can be used for the situation in other similar application fields; for example; these guide rail walking wheels 4 can be used for supporting moving horizontally of CT examination edge of bed guide rail; even any situation that need steadily move along the guide rail level, this being differed herein and one enumerate, all application that does not break away from this utility model claim institute limited range all fall into the protection domain of this utility model.
Above listed a series of detailed description only is specifying at feasibility embodiment of the present utility model; they are not in order to limiting protection domain of the present utility model, allly do not break away from equivalent embodiment or the change that this utility model skill spirit done and all should be included within the protection domain of the present utility model.
Claims (10)
1. guide rail walking wheels (4), described guide rail walking wheels (4) comprising:
A upper roller (41);
A bottom roller (40);
A upper roller support (61) that supports described upper roller (41);
A bottom roller support (60) that supports described bottom roller (40);
At least one elastic supporting member for supporting optical member (43), described elastic supporting member for supporting optical member (43) are arranged between described upper roller support (61) and the described bottom roller support (60).
2. guide rail walking wheels (4) according to claim 1, wherein, described elastic supporting member for supporting optical member (43) is spring, rubber-like rubber or rubber-like reed.
3. guide rail walking wheels (4) according to claim 1, wherein, described elastic supporting member for supporting optical member (43) is in contraction state.
4. guide rail according to claim 1 and 2 walking wheels (4), wherein, at least one end of described elastic supporting member for supporting optical member (43) is fixed on in described upper roller support (61) and the described bottom roller support (60) one; Perhaps,
Described elastic supporting member for supporting optical member (43) is limited between described upper roller support (61) and the described bottom roller support (60) by one or more restriction parts.
5. guide rail walking wheels (4) according to claim 1, wherein, described walking wheels (4) further comprise at least one adjusting lever (44), at least one flexible connection in described adjusting lever (44) and described upper roller support (61) and the bottom roller support (60) makes described upper roller support (61) and bottom roller support (60) can change distance along the vertical direction.
6. guide rail walking wheels according to claim 5, wherein, described elastic supporting member for supporting optical member (43) is provided with around described adjusting lever (44).
7. guide rail walking wheels (4) according to claim 5, wherein, described adjusting lever (44) is a multidiameter, fixedly connected another flexible connection in end that this multidiameter diameter is less and described upper roller support (61) and the bottom roller support (60) for one in the bigger end of this multidiameter diameter and described upper roller support (61) and the bottom roller support (60).
8. guide rail walking wheels (4) according to claim 7, wherein, the less end of described multidiameter diameter is a threaded rod, and this threaded rod passes the through hole (614) in described upper roller support (61) and the bottom roller support (60) another, and is screwed with one and adjusts nut (46).
9. guide rail walking wheels (4) according to claim 1, wherein, described upper roller support (61) shape of cross section is " U " shape, and the rotating shaft (411) of described upper roller (41) is supported at least one of two side plates (611) of " U " shape of described upper roller support (61); And/or,
Described bottom roller support (60) shape of cross section is for falling " U " shape, and the rotating shaft (401) of described bottom roller (40) is supported at least one of inverted U-shaped two side plates (601) of described bottom roller support (60).
10. guide rail walking wheels (4) according to claim 9 wherein, have a breach (613) that holds described upper roller (41) on the base plate (612) of " U " shape of described upper roller support (61); And/or, have a breach (603) that holds described bottom roller (40) on the base plate (602) of " U " shape of described bottom roller support (60).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201186667U CN201205287Y (en) | 2008-05-30 | 2008-05-30 | Guide-rail transport wheel set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201186667U CN201205287Y (en) | 2008-05-30 | 2008-05-30 | Guide-rail transport wheel set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201205287Y true CN201205287Y (en) | 2009-03-11 |
Family
ID=40464356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201186667U Expired - Lifetime CN201205287Y (en) | 2008-05-30 | 2008-05-30 | Guide-rail transport wheel set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201205287Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106560592A (en) * | 2016-03-14 | 2017-04-12 | 徐工集团工程机械股份有限公司 | Power head carriage device and drilling machine |
| CN108785876A (en) * | 2017-05-04 | 2018-11-13 | 医科达有限公司 | squeeze protection |
-
2008
- 2008-05-30 CN CNU2008201186667U patent/CN201205287Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106560592A (en) * | 2016-03-14 | 2017-04-12 | 徐工集团工程机械股份有限公司 | Power head carriage device and drilling machine |
| CN108785876A (en) * | 2017-05-04 | 2018-11-13 | 医科达有限公司 | squeeze protection |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090311 |