CN109093587A - A kind of cabin welding human body auxiliary device - Google Patents
A kind of cabin welding human body auxiliary device Download PDFInfo
- Publication number
- CN109093587A CN109093587A CN201811046437.3A CN201811046437A CN109093587A CN 109093587 A CN109093587 A CN 109093587A CN 201811046437 A CN201811046437 A CN 201811046437A CN 109093587 A CN109093587 A CN 109093587A
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- Prior art keywords
- shaft
- support
- foot
- human body
- articulation
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H5/00—Tool, instrument or work supports or storage means used in association with vehicles; Workers' supports, e.g. mechanics' creepers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Rehabilitation Tools (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
A kind of cabin welding human body auxiliary device, wherein foot support portion and calf support are hinged, calf support and extrinsic articulation or intrinsic articulation are hinged, and two bending sections are on outer shaft, leg support band, thigh support band are attached separately between calf support, extrinsic articulation and intrinsic articulation, while elastic telescopic device connects whole device.Beneficial effect is: passing through rod-like structure, hingedly connected and the elastic extension structure of similar ectoskeleton.The energy changed after whole device storage can be allowed to squat down, and by spring transitions at the active force of support electric welder.It is bigger with the amplitude squatted down, the bigger effect of support force, and then while having resolved or mitigated electric welding by providing reliable support force, squats down the discomfort caused by body for a long time.
Description
Technical field
The present invention relates to a kind of human body auxiliary device, specially a kind of cabin welding human body auxiliary device.
Background technique
In ship construction, in view of shell inherently steel material, therefore in ship manufacture, main or use
The mode of welding is by ship connection in one.Although there are many current welding tool progress, as long as by human weld
It is basic or rely on electric welder's couchant completion weld task at the scene.Electric welder at the scene long-term couchant construction when, just
The gravity that body can be allowed all concentrates on both feet.And it is excessive couchant for a long time, the knee of people can be allowed to bear larger journey
The bending of degree.If being very easy to lead to people's knee pain after crossing fatigue, squats down when serious and remember and need both hands branch
Support can just get up.A series of disease, such as varix of lower limb, acute arthritis etc. but will be brought.
In general, the upper time squat down burden to body bring is concentrated mainly on position below: when squatting down because
It is in tight situation for muscle, and then causes blood flow unsmooth；Secondly, long-time bending degree is larger, lead to joint
Load is heavier, is easy to aggravate strain of joint.
But since the actual conditions at electric welding scene are complex, after consulting prior art data, still without discovery solution
The certainly scheme of the technical problem.Therefore, cause to solve to a greater extent or alleviate electric welder when squatting down for a long time
It is above-mentioned uncomfortable, the invention proposes a kind of new solutions.
Summary of the invention
The purpose of the present invention is to provide a kind of cabin welding human body auxiliary devices, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of cabin, which welds, uses human body auxiliary device, including
Two foot support portions of people or so sole are supported and fixed, the rear end of each foot support portion is turned by the foot of cylindrical shape
The middle position of the U-shaped structure of axis and calf support is hinged；Two adjacent U-shaped structures on the inside of the calf support of left and right two
Free end it is hinged with two rod-shaped intrinsic articulation one end respectively by the knee shaft of cylindrical shape, two intrinsic articulations it is another
The relatively rod-shaped interior shaft in end end is freely rotated；Remaining two free ends of U-shaped structure on two calf supports lead to respectively
It crosses knee shaft and rod-shaped extrinsic articulation is hinged, opening direction is equipped on position of the extrinsic articulation far from knee shaft unanimously upward
Curved rod bending section, the relatively rod-shaped outer shaft in the free end of two bending sections is freely rotated；Close to knee shaft
With the leg support band connection of several flexible materials both ends of the U-shaped structure on the calf support at place；The left and right sides
Extrinsic articulation and intrinsic articulation on the position close to interior shaft by the thigh support band connections of several flexible materials in one；
Rear end, foot shaft, knee shaft, extrinsic articulation or the intrinsic articulation of the foot support portion successively concatenate four elastic materials respectively
Elastic telescopic device, and one end of elastic telescopic device is connect with foot support portion, and the other end and extrinsic articulation or intrinsic articulation connect
It connects.
One embodiment of the present of invention: the elastic telescopic device includes: to rotate relative to foot shaft or knee shaft
Axle sleeve is reversed, the torsional axis in foot shaft is covered and covers upper fixed circular first winding section and the first torsion spring；It covers
Torsional axis in knee shaft puts on fixed circular second winding section and the second torsion spring；First on foot support portion
Fixed point connects first bracing wire one end, and the first bracing wire other end wound clockwise is fixed on the first winding section of connection；First turns round
Square spring is connect by the second bracing wire with the second winding section wrapped anti-clockwise；Second torsion spring is by third bracing wire and outside
The second fixed point connection on joint or intrinsic articulation.
One embodiment of the present of invention: the thickness of the foot support portion rear end is greater than the thickness of foot support portion front end,
And the upper surface of foot support portion is equipped with inclined direction inclined-plane directed downwardly.
One embodiment of the present of invention: the front end of the foot support portion be connected be made by flexible material resistant to bending it is curved
Fold.
One embodiment of the present of invention: the upper surface of the bending layer is equipped with the buffer layer of silica gel material.
One embodiment of the present of invention: covering between the extrinsic articulation of left and right two on outer shaft can be with respect to outer shaft certainly
Support shaft by the hollow cylinder shape rotated.
One embodiment of the present of invention: fixed two pieces of angles are less than the front end panel and branch afterwards of degree in the support shaft
Fagging.
One embodiment of the present of invention: the rear bearing sheet end face is equipped with the fillet of arc.
One embodiment of the present of invention: the rear bearing sheet and front end panel cut out arc-shaped card slot on bottom edge.
Compared with prior art, the beneficial effects of the present invention are: rod-like structure and twisting by similar ectoskeleton connect
It connects and elastic extension structure.The energy changed after whole device storage can be allowed to squat down, and by spring transitions at support
The active force of worker.It is bigger with the amplitude squatted down, the bigger effect of support force.And then it is solved by providing reliable support force
Or the damage caused by body of squatting down for a long time when alleviating electric welding.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of side in the present invention；
Fig. 2 is the structural schematic diagram of the other side in the present invention；
Fig. 3 is side view of the invention；
Fig. 4 is the schematic diagram of leg installation in the present invention；
Fig. 5 is the structural schematic diagram of elastic telescopic device in the present invention；
Fig. 6 is foot shaft partial structural diagram in the present invention；
Fig. 7 is the three dimensional structure diagram that the first winding section and the first torsion spring are fixed on foot shaft in the present invention；
Fig. 8 is the positional structure schematic diagram of card slot in the present invention.
In figure: 1 foot support portion, 11 foot shafts, 12 bending layers, 13 buffer layers, 2 calf supports, 3 knee shafts, 4
Extrinsic articulation, 41 bending sections, 5 intrinsic articulations, shaft, 7 outer shafts, 8 support shafts, 81 rear bearing sheets, 82 front end panels, 83 cards in 6
Slot, 91 leg support bands, 92 thigh support bands, 10 elastic telescopic devices, the first fixed point of A, the first bracing wire of A1, the first coiling of B1
Portion, the first torsion spring of C1, D torque axle sleeve, the second bracing wire of A2, the second winding section B2, the second torsion spring of C2, A3 third are drawn
Line, the second fixed point of E.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Shown in Fig. 1 to 6, a kind of cabin welding human body auxiliary device, two including supporting and fixing people or so sole
Foot support portion 1, people by step or wear the foots of shoes and are placed on foot support portion 1 under normal circumstances, and pass through
Shoes are fixed on foot support portion 1 by certain fixation device, for fixed method, can be common at this stage do
Method is such as bundled in shoes on foot support portion 1 using rope band, for the specific structure of foot support portion 1 can be it is any can
It is most common such as similar to the structure of roller skate with by the securing device of shoes.The rear end of each foot support portion 1 passes through circle
The foot shaft 11 of bar shape and the middle position of the U-shaped structure of calf support 2 are hinged, it is hinged after structure can guarantee foot
Portion's support portion 1 is with respect to 2 swing of calf support, and step can be bent when assisting electric welder to advance with this.Left and right two
The free end of two adjacent U-shaped structures of 2 inside of calf support is rod-shaped with two respectively by the knee shaft 3 of cylindrical shape
5 one end of intrinsic articulation it is hinged, herein can hingedly assist electric welder when on foot replace kneed movement.It is whole in order to allow
The more coordination that a device cooperates when worker walks, the interior shaft 6 that the other end end of two intrinsic articulations 5 is relatively rod-shaped freely turn
Left and right thigh dynamic, that front and back is mutually replaced when can simulate electric welder's walking by own rotation.U on two calf supports 2
Two free ends of shape structure residual pass through knee shaft 3 respectively and rod-shaped extrinsic articulation 4 is hinged.In order to allow worker squatting down
Afterwards, entire buttocks is supported, and saves strength, and the consistent court of opening direction is equipped on position of the extrinsic articulation 4 far from knee shaft 3
On curved rod bending section 41, the relatively rod-shaped outer shaft 7 in the free end of two bending sections 41 is freely rotated, arc it is curved
Pars convoluta 41 can just wrap entire buttocks, and the foot that worker will not be interfered to advance when worker stands.When
So, in order to allow entire auxiliary device to have the function of preferably playing support workers body, such as Fig. 4, close to knee shaft 3
The both ends of the U-shaped structure are connected on the calf support 2 at place with the leg support band 91 of several flexible materials, it is flexible
After leg support band 91 can allow worker to squat down, when shank is toward front curve, leg support band 91 can play the role of resilient support,
Prevent the calf of worker excessively tired by the compressing of muscle in this way.Similarly, in order to allow huckle to be preferably supported,
The extrinsic articulation 4 and intrinsic articulation 5 of the left and right sides pass through the thigh support band of several flexible materials on the position close to interior shaft 6
92 connections are in one, and such as Fig. 4, after worker squats down, huckle is supported the transition severity that worker can be organized to squat down, in order to avoid
There is muscular fatigue so that thrombosis.In structure above-mentioned, in order to allow whole device that there is certain self-reparability, institute
Rear end, foot shaft 11, knee shaft 3, extrinsic articulation 4 or the intrinsic articulation 5 for stating foot support portion 1 successively concatenate four elasticity respectively
The elastic telescopic device 10 of material, and one end of elastic telescopic device 10 is connect with foot support portion 1, the other end and extrinsic articulation 4
Or intrinsic articulation 5 connects.The elastic pulling force contraction that entire elastic telescopic device 10 occurs when worker stands is smaller, works as worker
After squatting down, whole device can hinder worker to squat down, according to Newton mechanics law, when whole device hinders worker to squat down, worker
It squats down by certain obstruction, therefore support that can be certain to worker after worker squats down.Greatly reduce the flesh of worker itself
Meat fatigue.
Working principle: it first allows worker according to left and right two legs are extend into calf support 2 as described in Figure 4, then allows
The top of shank clings to leg support band 91, while the muscle at thigh is placed on thigh support band 92, and by certain
Fixation device either rope shoes and foot support portion 1 is fixed in one.When worker's walking, due to entirely filling
The presence for setting middle knee shaft 3 and interior shaft 6 and outer shaft 7 can allow worker very easily to advance.And works as and need under long-time
After crouching, the elastic telescopic device 10 in whole device can cooperate with leg support band 91 and thigh support band 92 that whole device is allowed to play
The movement that support and limitation people squat down.And then it plays a supporting role to people.It is entire to fill since the amplitude of squatting down is restricted
Joint can be alleviated by, which setting, is unlikely to excessive by oppressing, and can mitigate the damage in joint significantly in this way.
In the above technical solution, the specific structure of elastic telescopic device 10 can be specific elastic webbing, can also be with
It allows elastic telescopic device 10 to include: the torsion axle sleeve D rotated relative to foot shaft 11 or knee shaft 3, covers in foot shaft 11
On torsion axle sleeve D on fixed circular first winding section B1 and the first torsion spring C1, the first winding section B1 and first turn round
The direction of rotation of square spring C1 after electric welder squats down just on the contrary, be conducive to the pulling force after squatting down being transformed into torque bullet in this way
The potential energy storage of spring together, thereby realizes that the amplitude squatted down the big, and the resilient pressing force that whole device is given is bigger, more
The bigger support force of electric welder can be given.Cover the fixed circular second winding section B2 on the torsion axle sleeve D in knee shaft 3
With the second torsion spring C2；First one end fixed point A connection the first bracing wire A1 on foot support portion 1, the first bracing wire A1 are another
End wound clockwise is fixed on the first winding section B1 of connection；First torsion spring C1 passes through the second bracing wire A2 and the second winding section
The connection of B2 wrapped anti-clockwise；The second torsion spring C2 is solid by second on third bracing wire A3 and extrinsic articulation 4 or intrinsic articulation 5
Pinpoint E connection.The benefit of this structure with torsion spring is that the pulling force generated after changing device is transformed into internal bullet
Property potential energy, and the structure relative to use elastic material telescopic band have the longer service life.
Before no use device, generally after worker normally squats down, the emphasis of body is in by slightly leaning forward.But
When using the present invention after, although to worker with certain support, the center of gravity of body is but biased to the rear of body, this for
It needs to be inappropriate for the electric welder of work, it is also dangerous.Therefore, in order to guarantee using after the present invention, after worker squats down
Centre of body weight will not lean forward, allow 1 rear end of foot support portion thickness be greater than 1 front end of foot support portion thickness, and foot
The upper surface of portion's support portion 1 is equipped with inclined direction inclined-plane directed downwardly.When the increasing for being equivalent to make the heel of worker artificial in this way
Certain height is added, the center of gravity of people after squatting down can have been allowed to lean forward in this way, and then ensure safety.Certainly, this in rear heel
The method for increasing height can allow sole to bear biggish oppressive force.So the further front end connection of the foot support portion 1
There is the bending layer 12 being made by flexible material resistant to bending, this bending layer 12 can mitigate elasticity when forefoot bending.When
So in order to preferably allow the pressure for mitigating sole, the upper surface of the bending layer 12 is equipped with the buffer layer of silica gel material
13。
Abrasion of worker's buttocks by outer shaft 7 in order to prevent covers between the extrinsic articulation 41 of left and right two on outer shaft 7
Can be with respect to the support shaft 8 for the hollow cylinder shape that outer shaft 7 rotates freely.When the buttocks of worker touches support shaft
After 8, avoids worker's buttocks and directly contact outer shaft 7.Avoid the skin of buttocks free by outer shaft 7 and bending section 41
Clamp injury in end.
It of courses, the most important effect of support shaft 8 is: can be less than in support shaft 8 with fixed two pieces of angles
45 degree of front end panel 82 and rear bearing sheet 81.Front end panel 82 and rear bearing sheet 81 due to be with fixed angle,
Can be after electric welder to squat down, front end panel 82 and rear bearing sheet 81 can drop first, ensure front end panel 82 with after in this way
The opening of support plate 81 is constantly being directed towards landing ground.After worker squats down, it can be supported to worker's buttocks, play the role of stool.
And 81 end face of rear bearing sheet is equipped with the fillet of arc, can allow worker after squatting down, body anteversion and retroversion can be round and smooth
Transition, it is ensured that the comfort used.
In general, belowdecks, some places and it is not all horizontal steel plate, sometimes also needs to squat in thicker circle
Weld job is carried out on pipe, it is therefore desirable to which in Fig. 8, the rear bearing sheet 81 and front end panel 82 cut out arc-shaped on bottom edge
Card slot 83.The card slot 83 of this arc-shaped can be completely fastened on the thicker round tube of diameter, it is ensured that worker squats in preceding branch
Safety on fagging 82 and rear bearing sheet 81.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of cabin welding human body auxiliary device, it is characterised in that: two foots including supporting and fixing people or so sole
Portion's support portion (1), foot shaft (11) and calf support (2) of the rear end of each foot support portion (1) by cylindrical shape
U-shaped structure middle position it is hinged；The free end of two adjacent U-shaped structures is logical on the inside of the calf support (2) of left and right two
The knee shaft (3) for crossing cylindrical shape is hinged with two rod-shaped intrinsic articulation (5) one end respectively, two intrinsic articulations (5) it is another
The relatively rod-shaped interior shaft (6) in end end is freely rotated；Remaining two free ends of U-shaped structure on two calf supports (2)
Respectively hingedly by knee shaft (3) and rod-shaped extrinsic articulation (4), it is set on the position of extrinsic articulation (4) far from knee shaft (3)
There is a bending section (41) of the curved rod of opening direction unanimously upward, relatively rod-shaped outer turn in the free end of two bending sections (41)
Axis (7) is freely rotated；In the leg support on the calf support (2) at knee shaft (3) with several flexible materials
Band (91) is connected to the both ends of the U-shaped structure；The extrinsic articulation (4) and intrinsic articulation (5) of the left and right sides are close to interior shaft (6)
Thigh support band (92) connection on position by several flexible materials is in one；The rear end of the foot support portion (1), foot
Portion's shaft (11), knee shaft (3), extrinsic articulation (4) or intrinsic articulation (5) successively concatenate the elastic telescopic of four elastic materials respectively
Device (10), and one end of elastic telescopic device (10) is connect with foot support portion (1), the other end and extrinsic articulation (4) or interior pass
Save (5) connection.
2. cabin welding human body auxiliary device according to claim 1, it is characterised in that: the elastic telescopic device
(10) include: the torsion axle sleeve (D) rotated relative to foot shaft (11) or knee shaft (3), cover on foot shaft (11)
Reverse fixed circular first winding section (B1) and the first torsion spring (C1) on axle sleeve (D)；It covers on knee shaft (3)
Reverse fixed circular second winding section (B2) and the second torsion spring (C2) on axle sleeve (D)；On foot support portion (1)
One fixed point (A) connect the one end the first bracing wire (A1), the first bracing wire (A1) other end wound clockwise be fixed on connection first around
In line portion (B1)；First torsion spring (C1) is connect by the second bracing wire (A2) with the second winding section (B2) wrapped anti-clockwise；Institute
The second torsion spring (C2) is stated to connect by the second fixed point (E) on third bracing wire (A3) and extrinsic articulation (4) or intrinsic articulation (5)
It connects.
3. cabin welding human body auxiliary device according to claim 1 or 2, it is characterised in that: the foot support portion
(1) thickness of rear end is greater than the thickness of foot support portion (1) front end, and the upper surface of foot support portion (1) is equipped with inclined direction
Inclined-plane directed downwardly.
4. cabin welding human body auxiliary device according to claim 3, it is characterised in that: the foot support portion (1)
Front end be connected with the bending layer (12) being made by flexible material resistant to bending.
5. cabin welding human body auxiliary device according to claim 4, it is characterised in that: described to bend the upper of layer (12)
Surface is equipped with the buffer layer (13) of silica gel material.
6. cabin welding human body auxiliary device according to claim 1 or 2, it is characterised in that: on outer shaft (7)
Covering between two extrinsic articulations (41) in left and right can be with respect to the support shaft for the hollow cylinder shape that outer shaft (7) rotate freely
(8).
7. cabin welding human body auxiliary device according to claim 6, it is characterised in that: on the support shaft (8)
Front end panel (82) and rear bearing sheet (81) of the fixed two pieces of angles less than 45 degree.
8. cabin welding human body auxiliary device according to claim 7, it is characterised in that: rear bearing sheet (81) end
Face is equipped with the fillet of arc.
9. cabin according to claim 8 welding human body auxiliary device, it is characterised in that: the rear bearing sheet (81) and
Front end panel (82) cuts out arc-shaped card slot (83) on bottom edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811046437.3A CN109093587B (en) | 2018-09-08 | 2018-09-08 | Human body auxiliary device for cabin welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811046437.3A CN109093587B (en) | 2018-09-08 | 2018-09-08 | Human body auxiliary device for cabin welding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109093587A true CN109093587A (en) | 2018-12-28 |
| CN109093587B CN109093587B (en) | 2020-06-16 |
Family
ID=64865742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811046437.3A Active CN109093587B (en) | 2018-09-08 | 2018-09-08 | Human body auxiliary device for cabin welding |
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| Country | Link |
|---|---|
| CN (1) | CN109093587B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111939007A (en) * | 2020-09-17 | 2020-11-17 | 重庆檀科科技有限公司 | Walking booster for nursing department |
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| CN105078633A (en) * | 2014-05-14 | 2015-11-25 | 刘嘉安 | Limb load-reducing device |
| CN106491318A (en) * | 2016-12-01 | 2017-03-15 | 北京理工大学 | A kind of unpowered wearable auxiliary walking servomechanism |
| CN106994089A (en) * | 2016-01-26 | 2017-08-01 | 郑牧之 | Knee joint power-assisted protection device |
| CN107309867A (en) * | 2017-08-17 | 2017-11-03 | 河北工业大学 | Lower limb assistance exoskeleton based on Gravity support |
| US20180093374A1 (en) * | 2016-10-03 | 2018-04-05 | Springactive, Inc. | Personal Augmentation Suit and Method for Assisted Human Motion |
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|---|---|---|---|---|
| US20050251079A1 (en) * | 2004-05-06 | 2005-11-10 | Carvey Matthew R | Metabolically efficient leg brace |
| CN105078633A (en) * | 2014-05-14 | 2015-11-25 | 刘嘉安 | Limb load-reducing device |
| CN106994089A (en) * | 2016-01-26 | 2017-08-01 | 郑牧之 | Knee joint power-assisted protection device |
| US20180093374A1 (en) * | 2016-10-03 | 2018-04-05 | Springactive, Inc. | Personal Augmentation Suit and Method for Assisted Human Motion |
| CN106491318A (en) * | 2016-12-01 | 2017-03-15 | 北京理工大学 | A kind of unpowered wearable auxiliary walking servomechanism |
| CN107309867A (en) * | 2017-08-17 | 2017-11-03 | 河北工业大学 | Lower limb assistance exoskeleton based on Gravity support |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111939007A (en) * | 2020-09-17 | 2020-11-17 | 重庆檀科科技有限公司 | Walking booster for nursing department |
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| CN109093587B (en) | 2020-06-16 |
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Denomination of invention: A human auxiliary device for cabin welding Effective date of registration: 20210513 Granted publication date: 20200616 Pledgee: Merchants Bank Bengbu branch of Limited by Share Ltd. Pledgor: BENGBU SHENZHOU MACHINERY Co.,Ltd. Registration number: Y2021980003593 |
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Denomination of invention: A human assistance device for cabin welding Effective date of registration: 20230601 Granted publication date: 20200616 Pledgee: Huishang Bank Co.,Ltd. Bengbu donghuai sub branch Pledgor: BENGBU SHENZHOU MACHINERY Co.,Ltd. Registration number: Y2023980042612 |
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