CN106970462A - A kind of endoscope-use expansion link - Google Patents
A kind of endoscope-use expansion link Download PDFInfo
- Publication number
- CN106970462A CN106970462A CN201710307123.3A CN201710307123A CN106970462A CN 106970462 A CN106970462 A CN 106970462A CN 201710307123 A CN201710307123 A CN 201710307123A CN 106970462 A CN106970462 A CN 106970462A
- Authority
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- China
- Prior art keywords
- expansion link
- interior
- outer loop
- loop bar
- locating slot
- 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.)
- Pending
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- 230000002457 bidirectional effect Effects 0.000 claims abstract description 27
- 210000003462 vein Anatomy 0.000 claims abstract description 18
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009659 non-destructive testing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
Abstract
The present invention relates to a kind of endoscope-use expansion link, including outer loop bar, interior expansion link and resilient plunger；One end of interior expansion link is movably arranged in outer loop bar, and the other end is located at the outside of outer loop bar；Outer loop bar is that Anti-slip cover is housed on the round bar of inner hollow, the periphery of outer loop bar, and one end of outer loop bar is equipped with resilient plunger and axle sleeve；Interior expansion link is the round bar of inner hollow, and the periphery of interior expansion link is provided with bidirectional helical chute, and bidirectional helical chute is provided with locating slot, and the other end of interior expansion link is provided with anti-slip veins, and periphery is provided with half slot；Sliding block is movably arranged in bidirectional helical chute, and sliding block includes arcuate guide block and rotary shaft, and arcuate guide block is located in bidirectional helical chute；The rotary shaft of sliding block is movably arranged in axle sleeve.A kind of endoscope-use expansion link that the present invention is provided is easily carried, lightweight, flexible convenience, adjustable length, extension elongation length, simple to operate, load are big, applied widely.
Description
Technical field
The present invention relates to a kind of expansion link, especially endoscope-use bar.
Background technology
Industrial endoscope and police endoscope, are a branches of Non-Destructive Testing and safety and anti-terrorism, it may also be said to be special
A detection technique.Endoscope is designed due to its special size, and the surface letter of object to be detected can not be destroyed with let us
Just interior of articles surface texture or working condition, are observed exactly.Non-Destructive Testing and safety and anti-terrorism need to use endoscope conduct
Detection instrument, is to meet complicated use environment and Specialty Design is produced.Endoscope check is recently as endoscope
The development of manufacturing technology and a kind of detection technique being gradually used widely.Endoscope can be used for high temperature, poisonous, core spoke
Penetrate and place that human eye can not be observed directly inspection and observation, be mainly used in automobile, aero-engine, pipeline, machinery zero
Safety inspection, anti-terrorism spy's war of part and public security system etc., can be not required to dismantle or destroy assembling and equipment situation out of service
Lower to realize detection, still further aspect endoscope can be also connected with camera, video camera or electronic computer, composition photograph, shooting
And image processing system, so that it is that diagnosis and processing are provided to carry out the monitoring of visual field target, record, storage and graphical analysis very much
Good guarantee.
But flexible pipe is used current endoscope more, adjustment lens direction is inconvenient, is not installed on stiff rod adjusting camera lens
It is convenient, but stiff rod, in order to easy to carry, length is shorter, and using being restricted, stiff rod extended length causes to carry inconvenient.
The content of the invention
To solve the above problems, the present invention provide it is a kind of can freely stretch, expansion link easy to carry, concrete technical scheme
For：
A kind of endoscope-use expansion link, including outer loop bar, interior expansion link and resilient plunger；Live one end of the interior expansion link
Dynamic to be arranged in outer loop bar, the other end is located at the outside of outer loop bar；The outer loop bar is outside the round bar of inner hollow, outer loop bar
Anti-slip cover is housed, one end of outer loop bar is equipped with resilient plunger and axle sleeve on disc；The interior expansion link is the round bar of inner hollow,
The periphery of interior expansion link is provided with bidirectional helical chute, and the bidirectional helical chute is provided with locating slot, and the locating slot is
Two sides of straight trough, i.e. locating slot are the plane being parallel to each other, and locating slot is parallel with the end face of interior expansion link, locating slot with it is double
To screw thread chute circular sliding slopes, the locating slot is located at the two ends of interior expansion link, and the other end of interior expansion link is provided with anti-slip veins, institute
The periphery for stating interior expansion link is provided with half slot, and the half slot is located at the two ends of interior expansion link, the wherein other end respectively
Half slot is located at the inner side of anti-slip veins；The sliding block is movably arranged in bidirectional helical chute, sliding block include arcuate guide block and
Tip circle cambered surface and bottom arc surface, the half of the tip circle cambered surface are respectively equipped with the top and bottom of rotary shaft, the arcuate guide block
Footpath is consistent with the cylindrical radius surface of interior expansion link, and the radius of the bottom arc surface is consistent with the radius of bidirectional helical chute, described
Two end faces of arcuate guide block are parallel to each other, and two sides are parallel to each other, and two end faces and the junction of two sides are provided with
Rounded corner, the rotary shaft is located at the top of arcuate guide block, and rotary shaft and arcuate guide block are concentric, the arcuate guide block
In bidirectional helical chute；The rotary shaft of the sliding block is movably arranged in axle sleeve, when the interior expansion link stretches out outer loop bar,
Arcuate guide block is located in the locating slot of one end of interior expansion link, i.e., arcuate guide block is located at interior expansion link and is arranged in outer loop bar
In the locating slot of the one end in portion, the resilient plunger is pressed in the half slot of interior expansion link one end, when the interior expansion link is retracted,
Arcuate guide block is located in the locating slot of the other end of interior expansion link, and the resilient plunger is pressed in the semicircle of the interior expansion link other end
In groove, i.e., resilient plunger is pressed in the half slot on the inside of anti-slip veins；The interior expansion link is including being sequentially connected, structure is stretched with interior
Expansion link in the one-level that bar is identical, size is successively decreased successively, expansion link in expansion link, the one-level in expansion link and three-level in two grades
One end be movably arranged on the other end of expansion link in one end of outer loop bar, one-level resilient plunger and axle sleeve, the elasticity be housed
Plunger and axle sleeve are respectively positioned in anti-slip veins, and one end of expansion link is movably arranged on the another of expansion link in one-level in described two grades
Hold, the other end of expansion link is equipped with resilient plunger and axle sleeve in two grades, the resilient plunger and axle sleeve are respectively positioned in anti-slip veins, institute
The one end for stating expansion link in three-level is movably arranged on the other end of expansion link in the other end of expansion link in two grades, the three-level and set
There is position line, the position line is located on the center line of the vertical direction of locating slot.
Sliding block on the interior telescoping tube is provided with two, is symmetrically mounted in bidirectional helical chute, the axle coordinated with sliding block
Set also is provided with two, is symmetrically distributed in one end of outer loop bar.
The half slot that the interior telescoping tube is often held is provided with two, symmetrical on the periphery of interior telescoping tube, the bullet
Property plunger also is provided with two, is symmetrically distributed in outer loop bar one end.
The outer loop bar is provided with anti-skidding grooving, and the Anti-slip cover is arranged in anti-skidding grooving.
The length of the expansion link retracted mode is 34cm, and the total length that expansion link all stretches out is 106cm.
In use, an Anti-slip cover for being held by outer loop bar, the anti-slip veins that another is held by interior expansion link exert oneself to rotate
Interior expansion link, because now the resilient plunger on outer loop bar is pressed in the half slot for inside contracting the bar other end, prevents interior expansion link certainly
By rotating, interior expansion link stretches out outer loop bar in the presence of sliding block and bidirectional helical chute, when arcuate guide block slides into interior stretch
During the locating slot of the bar other end, the resilient plunger on outer loop bar is pressed onto in the half slot of interior expansion link one end, in limitation
Expansion link is rotated, and now sliding block and locating slot are plane mated conditions, and stress is good, and sliding block will not occur along bidirectional helical chute
Rearward slide.
Expansion link and outer loop bar are aluminum alloy material, and lightweight, only 0.3kg is easy to carry.
Anti-slip cover uses the sponge type rubber sleeve that nitrile rubber is made, and durable in use, non-skid property is good.
Expansion link in outer loop bar, one-level, expansion link has four sections in expansion link and three-level in two grades, and length during retraction is
Long 34cm, the length all stretched out is 106cm, and adjustable range is big.
Compared with prior art the invention has the advantages that：
A kind of endoscope-use expansion link that the present invention is provided is easily carried, lightweight, flexible convenience, adjustable length, stretching
Length length, simple to operate, load are big, applied widely.
Figure of description
Fig. 1 is the front view of the present invention；
Fig. 2 is the enlarged front view of sliding block；
Fig. 3 is the amplification plan view of sliding block.
Embodiment
In conjunction with accompanying drawing, the invention will be further described.
Embodiment one
As shown in Figure 1 to Figure 3, a kind of endoscope-use expansion link, including outer loop bar 1, interior expansion link and resilient plunger；It is described
One end of interior expansion link is movably arranged in outer loop bar 1, and the other end is located at the outside of outer loop bar 1；The outer loop bar 1 is in inside
Anti-slip cover 11 is housed, one end of outer loop bar 1 is equipped with resilient plunger and axle sleeve 12 on empty round bar, the periphery of outer loop bar 1；It is described
Interior expansion link is the round bar of inner hollow, and the periphery of interior expansion link is provided with bidirectional helical chute 52, and the bidirectional helical is slided
Groove 52 is provided with locating slot 51, and the locating slot 51 is that straight trough, i.e. the two of locating slot 51 side are the plane being parallel to each other, fixed
Position groove 51 is parallel with the end face of interior expansion link, and locating slot 51 and the circular sliding slopes of bidirectional helical chute 52, the locating slot 51 are located at
The two ends of interior expansion link, the other end of interior expansion link is provided with anti-slip veins 21, and the periphery of the interior expansion link is provided with half slot,
The half slot is located at the two ends of interior expansion link respectively, and the wherein half slot of the other end is located at the inner side of anti-slip veins 21；The cunning
Block 6 is movably arranged in bidirectional helical chute 52, and sliding block 6 includes arcuate guide block and rotary shaft 61, the arcuate guide block
Top and bottom are respectively equipped with tip circle cambered surface 62 and bottom arc surface 63, and the radius of the tip circle cambered surface 62 is cylindrical with interior expansion link
Radius surface is consistent, and the radius of the bottom arc surface 63 is consistent with the radius of bidirectional helical chute 52, and the two of the arcuate guide block
Individual end face is parallel to each other, and two sides are parallel to each other, and the junction of two end faces and two sides is provided with rounded corner 64, the rotation
Rotating shaft 61 is located at the top of arcuate guide block, and rotary shaft 61 and arcuate guide block are concentric, and the arcuate guide block is located at two-way
In screw thread chute 52；The rotary shaft 61 of the sliding block 6 is movably arranged in axle sleeve 12, when the interior expansion link stretches out outer loop bar 1,
Arcuate guide block is located in the locating slot 51 of one end of interior expansion link, i.e., arcuate guide block is located at interior expansion link installed in outer loop bar
In the locating slot 51 of one end inside 1, the resilient plunger is pressed in the half slot of interior expansion link one end, the interior expansion link contracting
Hui Shi, arcuate guide block is located in the locating slot 51 of the other end of interior expansion link, and it is another that the resilient plunger is pressed in interior expansion link
In the half slot at end, i.e., resilient plunger is pressed in the half slot of the inner side of anti-slip veins 21；The interior expansion link includes being sequentially connected, tying
Expansion link 2 in the one-level that structure is identical with interior expansion link, size is successively decreased successively, expansion link 4, institute in expansion link 3 and three-level in two grades
The one end for stating expansion link 2 in one-level is movably arranged on the other end of expansion link 2 in one end of outer loop bar 1, one-level equipped with elastic
Plug and axle sleeve 12, the resilient plunger and axle sleeve 12 are respectively positioned in anti-slip veins 21, one end activity peace of expansion link 3 in described two grades
The other end of expansion link 2 in one-level, the other end of expansion link 3 is equipped with resilient plunger and axle sleeve 12, the elasticity in two grades
Plunger and axle sleeve 12 are respectively positioned in anti-slip veins 21, and one end of expansion link 4 is movably arranged on expansion link 3 in two grades in the three-level
The other end of expansion link 4 is provided with position line 41 in the other end, the three-level, and the position line 41 is located at the Vertical Square of locating slot 51
To center line on.
The length of the expansion link retracted mode is 34cm, and the total length that expansion link all stretches out is 106cm.
In use, an Anti-slip cover 11 for being held by outer loop bar 1, the anti-slip veins 21 that another is held by interior expansion link are exerted oneself
Expansion link in rotation, because now the resilient plunger on outer loop bar 1 is pressed in the half slot for inside contracting the bar other end, prevents interior flexible
Bar is freely rotated, and interior expansion link stretches out outer loop bar 1 in the presence of sliding block 6 and bidirectional helical chute 52, when arcuate guide block is slided
To the interior expansion link other end locating slot 51 when, the resilient plunger on outer loop bar 1 is pressed onto the semicircle of interior expansion link one end
In groove, expansion link is rotated in limitation, and now sliding block 6 and locating slot 51 are plane mated conditions, and stress is good, and sliding block 6 will not be sent out
Life is rearward slided along bidirectional helical chute.
When introscope is installed, expansion link is stretched, Universal pipe is then inserted into expansion link, until Universal pipe stretches out expansion link
More than head 7cm, Universal pipe is stuck in the end of interior expansion link, then by red point pair in the position line 41 on expansion link and Universal pipe
In alignment, now, then camera lens is upward upwards for universal operating key, and then camera lens is downwards, universal to control to the left then downwards for operating key
Lens left, on the contrary camera lens is to the right.
Expansion link and outer loop bar 1 are aluminum alloy material, and lightweight, only 0.3kg is easy to carry.
The sponge type rubber sleeve that Anti-slip cover 11 is made of nitrile rubber, durable in use, non-skid property is good.
Expansion link 2 in outer loop bar 1, one-level, expansion link 4 has four sections in expansion link 3 and three-level in two grades, length during retraction
Spend for long 34cm, the length all stretched out is 106cm, and adjustable range is big.
Embodiment two
On the basis of embodiment one, the sliding block 6 on the interior telescoping tube is provided with two, is symmetrically mounted on bidirectional helical cunning
In groove 52, the axle sleeve 12 coordinated with sliding block 6 also is provided with two, is symmetrically distributed in one end of outer loop bar 1.
Stability when interior expansion link stretches out state is improved using two sliding blocks 6.
Embodiment three
On the basis of embodiment one and two, the half slot that the interior telescoping tube is often held be provided with two, it is symmetrical including
On the periphery of telescoping tube, the resilient plunger also is provided with two, is symmetrically distributed in outer one end of loop bar 1.
Spacing stability is improved using two resilient plungers, further prevents from rotating freely.
Example IV
On the basis of embodiment one, two and three, the outer loop bar 1 is provided with anti-skidding grooving, and the Anti-slip cover 11 is installed
In anti-skidding grooving.
Prevent Anti-slip cover due to being offset by position occurs on outer loop bar 1 using anti-skidding grooving.
Claims (9)
1. a kind of endoscope-use expansion link, it is characterised in that including outer loop bar (1), interior expansion link and resilient plunger；Stretched in described
One end of contracting bar is movably arranged in outer loop bar (1), and the other end is located at the outside of outer loop bar (1)；The outer loop bar (1) is inside
Anti-slip cover (11) is housed, one end of outer loop bar (1) is equipped with resilient plunger and axle on hollow round bar, the periphery of outer loop bar (1)
Cover (12).
2. expansion link as claimed in claim 1, it is characterised in that preferably, the interior expansion link is the round bar of inner hollow,
The periphery of interior expansion link is provided with bidirectional helical chute (52), and the bidirectional helical chute (52) is provided with locating slot (51),
The locating slot (51) is the plane being parallel to each other for two sides of straight trough, i.e. locating slot (51), and locating slot (51) is stretched with interior
The end face of contracting bar is parallel, and locating slot (51) and bidirectional helical chute (52) circular sliding slopes, the locating slot (51) are located at interior flexible
The two ends of bar, the other end of interior expansion link is provided with anti-slip veins (21), and the periphery of the interior expansion link is provided with half slot, described
Half slot is located at the two ends of interior expansion link respectively, and the wherein half slot of the other end is located at the inner side of anti-slip veins (21).
3. expansion link as claimed in claim 1, it is characterised in that preferably, sliding block (6) is movably arranged on bidirectional helical chute
(52) in, sliding block (6) includes being respectively equipped with top at the top and bottom of arcuate guide block and rotary shaft (61), the arcuate guide block
Arc surface (62) and bottom arc surface (63), the radius of the tip circle cambered surface (62) are consistent with the cylindrical radius surface of interior expansion link, institute
The radius for stating bottom arc surface (63) is consistent with the radius of bidirectional helical chute (52), and two end faces of the arcuate guide block are mutual
Parallel, two sides are parallel to each other, and the junction of two end faces and two sides is provided with rounded corner (64), the rotary shaft (61)
Positioned at the top of arcuate guide block, rotary shaft (61) and arcuate guide block are concentric, and the arcuate guide block is located at bidirectional helical
In chute (52).
4. expansion link as claimed in claim 1, it is characterised in that preferably, the rotary shaft (61) of sliding block (6) is movably arranged on
In axle sleeve (12), when the interior expansion link stretches out outer loop bar (1), arcuate guide block is located at the locating slot of one end of interior expansion link
(51) in, i.e., arcuate guide block is located at interior expansion link and is arranged in the locating slot (51) of the internal one end of outer loop bar (1), the bullet
Property plunger be pressed in the half slot of interior expansion link one end, when the interior expansion link is retracted, arcuate guide block is located at interior expansion link
In the locating slot (51) of the other end, the resilient plunger is pressed in the half slot of the interior expansion link other end, i.e., resilient plunger is pressed in
In half slot on the inside of anti-slip veins (21).
5. expansion link as claimed in claim 1, it is characterised in that preferably, the interior expansion link is including being sequentially connected, structure
Expansion link (2) in the one-level that, size identical with interior expansion link is successively decreased successively, expansion link in expansion link (3) and three-level in two grades
(4), one end of expansion link (2) is movably arranged on the another of expansion link (2) in one end of outer loop bar (1), one-level in the one-level
End is equipped with resilient plunger and axle sleeve (12), and the resilient plunger and axle sleeve (12) are respectively positioned in anti-slip veins (21), in described two grades
The other end that one end of expansion link (3) is movably arranged on expansion link (3) in the other end of expansion link in one-level (2), two grades is equipped with
Resilient plunger and axle sleeve (12), the resilient plunger and axle sleeve (12) are respectively positioned in anti-slip veins (21), expansion link in the three-level
(4) one end is movably arranged on the other end of expansion link (4) in the other end of expansion link (3) in two grades, the three-level provided with fixed
Bit line (41), the position line (41) is located on the center line of the vertical direction of locating slot (51).
6. a kind of endoscope-use expansion link according to claim 1, it is characterised in that preferably, on the interior telescoping tube
Sliding block (6) be provided with two, be symmetrically mounted in bidirectional helical chute (52), the axle sleeve (12) coordinated with sliding block (6) also is provided with
Two, it is symmetrically distributed in one end of outer loop bar (1).
7. a kind of endoscope-use expansion link according to claim 1, it is characterised in that the semicircle that the interior telescoping tube is often held
Groove is provided with two, and symmetrical on the periphery of interior telescoping tube, the resilient plunger also is provided with two, is symmetrically distributed in overcoat
Bar (1) one end.
8. on a kind of endoscope-use expansion link according to claim 7, it is characterised in that preferably, the outer loop bar (1)
Provided with anti-skidding grooving, the Anti-slip cover (11) is arranged in anti-skidding grooving.
9. a kind of endoscope-use expansion link according to claim 1, it is characterised in that the length of the expansion link retracted mode
Spend for 34cm, the total length that expansion link all stretches out is 106cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710307123.3A CN106970462A (en) | 2017-05-04 | 2017-05-04 | A kind of endoscope-use expansion link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710307123.3A CN106970462A (en) | 2017-05-04 | 2017-05-04 | A kind of endoscope-use expansion link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106970462A true CN106970462A (en) | 2017-07-21 |
Family
ID=59331155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710307123.3A Pending CN106970462A (en) | 2017-05-04 | 2017-05-04 | A kind of endoscope-use expansion link |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106970462A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108983407A (en) * | 2018-05-22 | 2018-12-11 | 王伟 | A kind of industrial endoscope auxiliary mechanical arm |
| CN110611760A (en) * | 2019-10-31 | 2019-12-24 | 上海航天控制技术研究所 | Out-of-cabin inspection device for state of servo mechanism |
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| CN2637807Y (en) * | 2003-07-18 | 2004-09-01 | 无锡市神康医疗器械设备有限公司 | Variable pitch screw |
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| CN201222163Y (en) * | 2008-07-16 | 2009-04-15 | 颜永诚 | Multisection collapsible detection rod |
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| CN204593271U (en) * | 2015-05-13 | 2015-08-26 | 厦门市信达光电科技有限公司 | Lighting tube plug and fluorescent tube |
| CN205724650U (en) * | 2016-05-03 | 2016-11-23 | 国网山东省电力公司莱西市供电公司 | A kind of distribution line action bars |
| CN107120343A (en) * | 2017-05-04 | 2017-09-01 | 成都鸿安泰达科技发展有限公司 | A kind of industrial expansion link |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2637807Y (en) * | 2003-07-18 | 2004-09-01 | 无锡市神康医疗器械设备有限公司 | Variable pitch screw |
| CN200985934Y (en) * | 2006-08-22 | 2007-12-05 | 上海东今实业有限公司 | Telescoping positioning mechanism with internal/outer thimble |
| CN201222163Y (en) * | 2008-07-16 | 2009-04-15 | 颜永诚 | Multisection collapsible detection rod |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108983407A (en) * | 2018-05-22 | 2018-12-11 | 王伟 | A kind of industrial endoscope auxiliary mechanical arm |
| CN110611760A (en) * | 2019-10-31 | 2019-12-24 | 上海航天控制技术研究所 | Out-of-cabin inspection device for state of servo mechanism |
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Application publication date: 20170721 |