CN208588526U - Shadowless lamp testing arrangement - Google Patents
Shadowless lamp testing arrangement Download PDFInfo
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- CN208588526U CN208588526U CN201820802282.0U CN201820802282U CN208588526U CN 208588526 U CN208588526 U CN 208588526U CN 201820802282 U CN201820802282 U CN 201820802282U CN 208588526 U CN208588526 U CN 208588526U
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- shadowless lamp
- shaft
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- 238000005286 illumination Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 2
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Abstract
The utility model discloses a shadowless lamp testing arrangement, including the support, be equipped with the lead screw on the support, be equipped with screw-nut on the lead screw, screw-nut is connected with lifting support, and the lead screw is connected with drive mechanism, and drive mechanism includes pivot and pivot locking mechanism, and pivot locking mechanism includes locking portion and retaining member, is equipped with locking portion in the pivot, and locking portion overcoat is equipped with the lock sleeve, lock sleeve and support fixed connection are equipped with the retaining member on the lock sleeve. The utility model provides a shadowless lamp testing device, bevel gear (bevel gear) transmission, hand formula promotion measuring platform has ensured measuring platform's stability; the transmission mechanism is provided with a rotating shaft locking mechanism, and after the scale tray is lifted to the working position, the current working position can be locked through the rotating shaft locking mechanism so as to measure the height of the tray and stabilize the tray to measure the illumination characteristics of the light spots at the current position.
Description
Technical field
The utility model relates to medical instrument detection technique field more particularly to a kind of shadowless lamp test devices.
Background technique
YY 0627-2008 " medical electrical equipment part 2: wanted with headlamp secure private by operation shadowless lamp and diagnosis
Ask " the 8th relevant regulations have been done to the photocurrent versus light intensity of operation shadowless lamp equipment: the very close tissue of degree, visual difference
Extremely not faint, the reflection of light organizationally between especially spectrum 600nm~700nm is few, needs the illumination of high quality, and
The human eye sensitivity of the spectrum segment declines, during operation, even if equipment by the head of such as operator or blocking for shoulder,
A good, uniform area of illumination should be able to be provided in one plane or in the bottom of narrow chamber of depth.And to specific test
Step provides.Set of detection device no for the measurement of YY0627-2008 at present, existing apparatus is inconvenient for operation,
Measuring table is irremovable, and the measurement request of standard can only be realized by way of the lamp cap of mobile shadowless lamp.
Summary of the invention
In order to solve the above technical problems, the utility model provides a kind of shadowless lamp test device, hand-rail type promotes operation and rises
Drop platform ensures the stability of operating platform.
A kind of shadowless lamp test device, including bracket, the bracket are equipped with lead screw, and the lead screw is equipped with lead screw spiral shell
Mother, the feed screw nut are connect with lifting support, and the lead screw is connect with transmission mechanism, and the transmission mechanism includes shaft and turns
Shaft locking mechanism, the locking mechanism of rotating shaft include tight lock part and locking member, and the shaft is equipped with tight lock part, the tight lock part
It is arranged with lock sleeve outside, the lock sleeve is fixedly connected with the bracket, and the lock sleeve is equipped with locking member, locking state
Under, the locking member is connect with the tight lock part.
Above technical scheme is preferred, and the tight lock part is externally provided with anti-skid chequer, and the lock sleeve is equipped with threaded hole, described
Locking member is bolt part, and under locking state, the locking member passes through the threaded hole and contacts with the tight lock part.
Above technical scheme is preferred, and the tight lock part is locking hole, and the lock sleeve is equipped with through-hole, the through-hole
And/or the locking hole is threaded hole, the locking member is bolt part, and under locking state, the locking member passes through the through-hole
It protrudes into the locking hole.
Above technical scheme is preferred, and the tight lock part is locking hole, and the locking member is kelly, sets on the lock sleeve
There is a through-hole, under locking state, the locking member passes through the through-hole and the locking hole is clamped.
Above technical scheme is preferred, and one end of the shaft is equipped with rotating handle, and the other end of the shaft, which is equipped with, to be turned
Shaft bevel gear, the lead screw are equipped with lead screw bevel gear, the shaft bevel gear and lead screw umbrella tooth wheel gear engagement.
Above technical scheme is preferred, and guide rail is additionally provided on the bracket, and the lifting support is equipped with guide rail slide block, institute
Guide rail is stated to be slidably connected with the guide rail slide block.
Above technical scheme is preferred, and the guide rail is symmetrical with the lead screw setting.
Above technical scheme is preferred, and the lifting support is equipped with scale pallet.
Above technical scheme is preferred, and the scale tray surface is equipped with blacking.
The utility model has the advantages and positive effects of: shadowless lamp test device provided by the utility model, umbrella tooth
(bevel gear) transmission is taken turns, hand-rail type promotes the stability that measuring table ensures measuring table；Transmission mechanism is equipped with spindle lock
Tight mechanism can lock current working site by locking mechanism of rotating shaft to measure after scale tray lift to operating position
Pallet height and stable tray measure the photocurrent versus light intensity of hot spot under current location；Lead screw two sides are symmetrically arranged with guide rail and stablize lifting
Bracket can guarantee that deflection and two sides offset do not occur in moving up and down for scale pallet, improve device stability and survey
Measure stability；To prevent, light from occurring reflection and diffusing reflection, scale tray surface are smeared using blacking, it is ensured that measurement
Data accuracy.
Detailed description of the invention
Fig. 1 is the main view of the utility model embodiment one.
Fig. 2 is the left view of the utility model embodiment one.
Fig. 3 is the top view of the utility model embodiment one.
Fig. 4 is the structural schematic diagram of the transmission mechanism of the utility model embodiment one.
Fig. 5 is the structural schematic diagram of the transmission mechanism of the utility model embodiment two.
Wherein: 1. brackets, 2. scale pallets, 3. shaft bearing seats, 4. rotating handles, 5. shafts, 6. lifting supports, 7. locks
It is fixed, 8. lead screws, 9. feed screw nuts, 10. guide rails, 11. guide rail slide blocks, 12. guiderail bases, 13. lead screw shaft bearings, 14. shafts
Bevel gear, 15. lead screw bevel gears, 16. anti-skid chequers, 17. locking members, 18. tight lock parts.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For to the utility model system.In addition, term " first ", " second " etc. are used for description purposes only, and it should not be understood as instruction or dark
Show relative importance or implicitly indicates the quantity of indicated technical characteristic.The spy of " first ", " second " etc. is defined as a result,
Sign can explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise saying
Bright, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Embodiment 1
The present embodiment provides a kind of shadowless lamp test devices, and as shown in Figure 1, 2, 3, including bracket 1, bracket 1 are equipped with silk
Thick stick 8,8 both ends of lead screw are connect by lead screw shaft bearings 13 with bracket 1, and lead screw 1 is equipped with feed screw nut 9, feed screw nut 9 and liter
Descending branch frame 6 connects, and lifting support is equipped with scale pallet 2.Due to scale pallet heavier-weight and need to suspend general one meter
Length, it is contemplated that device stability and measurement stability, the whole center of gravity of bracket is about at the 1/5 of equipment.To prevent
Reflection occurs for light and diffusing reflection, 2 surface of scale pallet are smeared using blacking, it is ensured that measurement data accuracy.
Lead screw 8 is connect with transmission mechanism, since scale pallet heavier-weight will lead to scale after scale pallet rises
Pallet glides rapidly, so joined locking mechanism of rotating shaft in the design, behind scale tray lift to operating position, can lead to
It crosses locking mechanism of rotating shaft to lock current working site, measures light under current location to measure pallet height and stable tray
Spot illumination.As shown in figure 4, transmission mechanism includes shaft 5 and locking mechanism of rotating shaft, locking mechanism of rotating shaft includes tight lock part 18 and lock
Tight part 17, shaft 5 are vertically arranged with 8 axis of lead screw, and shaft 5 is connected on bracket 1 by shaft bearing seat 3, and shaft 5 is equipped with
Tight lock part 18, tight lock part 18 are arranged with lock sleeve 7 outside, and lock sleeve 7 is fixedly connected with bracket 1, and lock sleeve 7 is equipped with locking member
17, under locking state, locking member is connect with tight lock part.The present embodiment is specifically, tight lock part 18 is externally provided with anti-skid chequer 16, such as net
The anti-skid chequer of the types such as check, ripple glaze, lock sleeve are equipped with threaded hole, and locking member 17 is bolt part, under locking state, locking
Part passes through threaded hole and contacts with tight lock part, and bolt is contacted with anti-skid chequer, and frictional force is big, to realize the locking of shaft.
One end of shaft 5 is equipped with rotating handle 4, and the other end of shaft 5 is equipped with shaft bevel gear 14, and lead screw is equipped with lead screw
Bevel gear 15, shaft bevel gear and the engagement of lead screw umbrella tooth wheel gear, bevel gear also become bevel gear.Rotating handle 4 is rotated, is passed through
Shaft bevel gear drives the rotation of lead screw bevel gear, and lead screw bevel gear drives lead screw, and lead screw drives feed screw nut and and feed screw nut
The lifting support of connection moves up and down.
Since scale pallet 2 is heavier, is fixed to guarantee to stablize scale pallet in measurement process, be additionally provided with and lead on bracket
Rail 10, guide rail both ends are fixed by guiderail base 12 and bracket 1, and lifting support is equipped with guide rail slide block 11, guide rail 10 and guide rail
Sliding block 11 is slidably connected.Preferably, guide rail 10 is symmetrical with the setting of lead screw 8.This structure can guarantee that scale pallet is moving up and down
In do not occur deflection and two sides offset.1 bottom of bracket is equipped with the movement that movable pulley is convenient for equipment.
Embodiment 2
The present embodiment is different from the specific structure of the locking mechanism of rotating shaft of embodiment 1, and other structures are with embodiment 1, specifically
, as shown in figure 5, the tight lock part 18 of the present embodiment is locking hole, lock sleeve 7 is equipped with through-hole, and through-hole and/or locking hole are
Threaded hole, locking member 17 is bolt part, and under locking state, locking member 17 passes through through-hole and protrudes into locking hole.Since lock sleeve is solid
It being scheduled on bracket, bracket is fixing piece, therefore lock sleeve is fixing piece, and after locking member protrudes into shaft, shaft also becomes fixing piece,
It is achieved in the locking of shaft.
Or tight lock part is locking hole, locking member is kelly, and lock sleeve is equipped with through-hole, and under locking state, locking member is worn
It crosses through-hole and locking hole is clamped.It is identical as above structure that it locks principle.Other protrude into shaft by locking member and realize locking
Similar structures also should be in the protection scope of the present embodiment.
In use, first shaking the scale pallet of shadowless lamp test device at initial position 1m, and tighten locking
Scale pallet is fixed in mechanism；Mobile tested shadowless lamp, it is most central to move to scale pallet for shadowless lamp center CD, and look for
It seeks and falling on scale pallet behind the maximum position of light spot illumination, tested shadowless lamp is fixed；Show at present position in scale pallet
Measure all photocurrent versus light intensity indexs of hot spot；Retaining mechanism is unclamped, scale tray position is moved up and down, looks for spot center illumination
20% scale tray position records out the location variation that scale pallet moves up and down, and the addition of upper and lower variable quantity can be surveyed
Measure the light beam depth of tested shadowless lamp.
Shadowless lamp test device provided by the utility model, bevel gear (bevel gear) transmission, hand-rail type promote measuring table
Ensure the stability of measuring table；Transmission mechanism is equipped with locking mechanism of rotating shaft, behind scale tray lift to operating position
Pallet height and stable tray can be measured to current working site locking by locking mechanism of rotating shaft to measure current location
The photocurrent versus light intensity of lower hot spot；Lead screw two sides are symmetrically arranged with guide rail and stablize lifting support, can guarantee that scale pallet is moving up and down
In do not occur deflection and two sides offset, improve device stability and measurement stability；To prevent light from reflection occurs and overflowing anti-
It penetrates, scale tray surface is smeared using blacking, it is ensured that measurement data accuracy.
One embodiment of the utility model is described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should still belong within the patent covering scope of the utility model.
Claims (9)
1. a kind of shadowless lamp test device, including bracket, it is characterised in that: further include lead screw, feed screw nut, lifting support and biography
Motivation structure, the bracket are equipped with the lead screw, and the lead screw is equipped with the feed screw nut, the feed screw nut and the liter
The connection of descending branch frame, the lead screw connect with the transmission mechanism, and the transmission mechanism includes shaft and locking mechanism of rotating shaft, described
Locking mechanism of rotating shaft includes tight lock part and locking member, and the shaft is equipped with tight lock part, is arranged with lock sleeve outside the tight lock part,
The lock sleeve is fixedly connected with the bracket, and the lock sleeve is equipped with locking member, under locking state, the locking member and institute
State tight lock part connection.
2. shadowless lamp test device according to claim 1, it is characterised in that: the tight lock part is externally provided with anti-skid chequer, institute
Lock sleeve is stated equipped with threaded hole, the locking member is bolt part, under locking state, the locking member pass through the threaded hole with
The tight lock part contact.
3. shadowless lamp test device according to claim 1, it is characterised in that: the tight lock part is locking hole, the lock
Fixed to be equipped with through-hole, the through-hole and/or the locking hole are threaded hole, and the locking member is bolt part, under locking state,
The locking member passes through the through-hole and protrudes into the locking hole.
4. shadowless lamp test device according to claim 1, it is characterised in that: the tight lock part is locking hole, the lock
Tight part is kelly, and the lock sleeve is equipped with through-hole, and under locking state, the locking member passes through the through-hole and the locking hole
Clamping.
5. shadowless lamp test device according to any one of claims 1 to 4, it is characterised in that: one end of the shaft is set
There is rotating handle, the other end of the shaft is equipped with shaft bevel gear, and the lead screw is equipped with lead screw bevel gear, the shaft umbrella
Gear and lead screw umbrella tooth wheel gear engagement.
6. shadowless lamp test device according to claim 5, it is characterised in that: guide rail is additionally provided on the bracket, it is described
Lifting support is equipped with guide rail slide block, and the guide rail is slidably connected with the guide rail slide block.
7. shadowless lamp test device according to claim 6, it is characterised in that: the guide rail is symmetrical with the lead screw and sets
It sets.
8. shadowless lamp test device according to claim 1, it is characterised in that: the lifting support is equipped with scale support
Disk.
9. shadowless lamp test device according to claim 8, it is characterised in that: the scale tray surface is applied equipped with black
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820802282.0U CN208588526U (en) | 2018-05-28 | 2018-05-28 | Shadowless lamp testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820802282.0U CN208588526U (en) | 2018-05-28 | 2018-05-28 | Shadowless lamp testing arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208588526U true CN208588526U (en) | 2019-03-08 |
Family
ID=65534172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820802282.0U Active CN208588526U (en) | 2018-05-28 | 2018-05-28 | Shadowless lamp testing arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208588526U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115790840A (en) * | 2023-02-10 | 2023-03-14 | 济宁市质量计量检验检测研究院(济宁半导体及显示产品质量监督检验中心、济宁市纤维质量监测中心) | Device and method for testing illumination of operating shadowless lamp |
-
2018
- 2018-05-28 CN CN201820802282.0U patent/CN208588526U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115790840A (en) * | 2023-02-10 | 2023-03-14 | 济宁市质量计量检验检测研究院(济宁半导体及显示产品质量监督检验中心、济宁市纤维质量监测中心) | Device and method for testing illumination of operating shadowless lamp |
| CN115790840B (en) * | 2023-02-10 | 2023-04-28 | 济宁市质量计量检验检测研究院(济宁半导体及显示产品质量监督检验中心、济宁市纤维质量监测中心) | Device and method for testing illumination of operation shadowless lamp |
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