CN107594857A - A kind of guide tracked knapsack load burden-alleviating device - Google Patents
A kind of guide tracked knapsack load burden-alleviating device Download PDFInfo
- Publication number
- CN107594857A CN107594857A CN201710842540.8A CN201710842540A CN107594857A CN 107594857 A CN107594857 A CN 107594857A CN 201710842540 A CN201710842540 A CN 201710842540A CN 107594857 A CN107594857 A CN 107594857A
- Authority
- CN
- China
- Prior art keywords
- mounting rail
- spring
- knapsack
- guide tracked
- burden
- 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
Links
Abstract
The invention discloses a kind of guide tracked knapsack load burden-alleviating device, including knapsack, backboard, the shoulder belt being connected on the outside of the backboard, guide tracked spring damping burden-alleviating device is installed on the inside of the backboard, the knapsack is connected with the guide tracked spring damping burden-alleviating device, the guide tracked spring damping burden-alleviating device makes the vibration of knapsack weight and human body vibration phase difference be present and reduce the weight pressure that trunk is born when human body is walked about in heavy burden.The present invention utilizes the intrinsic frequency and human locomotion vibration frequency difference of guide tracked spring damping burden-alleviating device so that the vibration of weight produces certain phase difference with human body vibration, realizes the purpose of Reduction of Students' Study Load；Effectively mitigation human body bears the weight pressure suffered by weight walking, compact-sized, small volume, in light weight, conveniently processing and manufacturing, cost are cheap, it is particularly suitable for bearing a large amount of equipments during operation in the wild, effectively alleviating needs to bear a large amount of weights and the limited contradiction of human physical power.
Description
Technical field
The present invention relates to human body wearable device field, and in particular to a kind of effectively to mitigate trunk when human body bears weight
The guide tracked knapsack load burden-alleviating device of pressure.
Background technology
With the demand of modernization and the scientific research of national defence, the operation in the wild such as soldier, scientific investigation personnel is required for carrying with
Plurality of devices, such as：A series of electronic equipments, battery etc..Heavy equipment allows soldier, the muscle power of scientific investigation personnel to be faced with sternly
High test, it is unfavorable for being smoothed out for operation.Therefore, finding a kind of device that can mitigate equipment weight toter's burden is
Extremely be necessary with it is significant.Looked into newly according to network, there is presently no the method similar with the present invention or device to be used to subtract
Pressure when light human body bears weight suffered by trunk.
The content of the invention
To solve the above problems, proposing a kind of guide tracked knapsack load burden-alleviating device, damping mass and human body body are utilized
The difference of frequency and phase both during dry vibration, realize the purpose of Reduction of Students' Study Load.This acquisition equipment of analysis shows can effectively mitigate human body
The weight pressure suffered by weight walking is born, the mechanism is particularly suitable for operation in the wild and is used to bear substantial amounts of weight, improves
The efficiency of operation, mitigate the burden of field operator.
The present invention is achieved through the following technical solutions：
A kind of guide tracked knapsack load burden-alleviating device, including knapsack, backboard, the shoulder belt being connected on the outside of the backboard, the back of the body
Guide tracked spring damping burden-alleviating device is installed on the inside of plate, the knapsack is connected with the guide tracked spring damping burden-alleviating device
Connect, the guide tracked spring damping burden-alleviating device when human body is walked about in heavy burden, deposit by the vibration and human body vibration that make knapsack weight
The weight pressure that trunk bears is reduced in phase difference.
This programme using the spring-damp system of weight and guide tracked spring damping burden-alleviating device composition intrinsic frequency with
The difference of human locomotion vibration frequency, slow down the pressure that knapsack weight is applied to trunk, so as to reach the purpose of Reduction of Students' Study Load.People
During body walking, when people bears whole device motion by dressing shoulder belt, knapsack and spring drawstring composition oscillation system equipped with weight
Unite and the up and down motion of low friction is done along guide rail with the activity of trunk.Subtract when by weight and guide tracked spring damping
Negative device intrinsic frequency and human body walk dynamic frequency frequency ratio reach predetermined value after, the weight pressure that trunk is subject to will
Greatly reduce, so as to mitigate the burden that human body bears weight.
Further, described guide tracked spring damping burden-alleviating device include upper mounting rail, lower mounting rail, two guide rails,
Be slidably connected frame, some spring drawstrings, and the upper mounting rail and lower mounting rail are abreast arranged on the backboard medial surface up and down,
Two guide rails are symmetrically vertically installed between mounting rail and lower mounting rail；It is described to be slidably connected at left and right sides of frame respectively with two
Root guide rail is slidably connected, and the frame upper end that is slidably connected is connected by spring drawstring with upper mounting rail.Each several part is spatially
Vertical parallel installation so that whole device is compact-sized, and space-consuming is few.
Further, the described frame that is slidably connected is rectangular, including a pair of vertical spring drawstring installations abreast set
Comb, a pair horizontally connected with the crossbeam being arranged between spring drawstring installation comb, the corner of the frame that is slidably connected is all provided with
It is equipped with the linear bearing being slidably matched with the guide rail.
Further, the corner of the described frame that is slidably connected is additionally provided with the knapsack grip slipper for connecting knapsack, passes through
The quick connection with knapsack is realized installed in the interface of knapsack.
Further, the guiding that some limitation spring drawstrings are swung is provided with described spring drawstring installation comb
Groove.
Further, the both ends of the shoulder belt are fixed on backboard by being arranged on the shoulder belt geometrical clamp on the inside of backboard.
Further, the left and right ends of the upper mounting rail are provided with away line wheel, for adjusting spring drawstring work length
The length adjustment fixed plate of degree.
Further, two pairs of vertically symmetrical shoulder belt mounting grooves are set on described backboard and are above used to connect installation
The mounting hole of beam, lower mounting rail；The mounting interface being connected with backboard is provided with described upper mounting rail, lower mounting rail.
Further, spring drawstring cabling channel is provided with the top and bottom of the upper mounting rail and along the upper peace
Some spring pulling rope lengths regulation pressing plate that dress beam length direction is uniformly arranged.
Further, some described spring drawstrings are equally divided into two groups, and one of which is arranged at the top of upper mounting rail
Cabling channel in, one end of this group of spring drawstring is fixed on the cabling channel left end at the top of upper mounting rail by length adjustment fixed plate,
The spring drawstring installation comb connection walked line wheel after with the same side of the other end through upper mounting rail right-hand member；Another group of spring drawstring peace
In the cabling channel of upper mounting rail bottom, one end of this group of spring drawstring is fixed on upper mounting rail bottom by length adjustment fixed plate
The cabling channel right-hand member in portion, the spring drawstring installation comb connection walked line wheel after with the same side of the other end through upper mounting rail left end.
Compared with prior art, the ingenious weight for bearing weight by the use of human body of the present invention forms spring resistance as damping mass
Damping system, utilize intrinsic frequency and the human locomotion vibration frequency difference of the spring-damp system so that the vibration of weight and people
Body vibration produces certain phase difference, realizes the purpose of Reduction of Students' Study Load；Human body can effectively be mitigated and bear weight suffered by weight walking
Pressure, compact-sized, small volume, in light weight, conveniently processing and manufacturing, cost are cheap, is particularly suitable for bearing during operation in the wild greatly
Amount equipment, effectively alleviating needs to bear a large amount of weights and the limited contradiction of human physical power.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the embodiment of the present invention.
Fig. 2 is the guide tracked spring damping burden-alleviating device structural representation of the embodiment of the present invention.
1- shoulder belts；The upper mounting rails of 2-；3- walks line wheel；4- spring drawstrings；5- spring drawstring fixation clips；6- linear bearings；
7- knapsack grip slippers；8- springs drawstring installation comb；9- backboards；10- guide rails；11- shoulder belt geometrical clamps；Mounting rail under 12-；13- is horizontal
Beam；14- knapsacks.
Embodiment
Below in conjunction with specific embodiment, the invention will be further described, but not limited to this.
As depicted in figs. 1 and 2, a kind of guide tracked knapsack load burden-alleviating device, including knapsack 14, backboard 9, be connected to it is described
The shoulder belt 1 in the outside of backboard 9, the both ends of the shoulder belt 1 are fixed on backboard 9 by being arranged on the shoulder belt geometrical clamp 11 of the inner side of backboard 9
On.The inner side of backboard 9 is provided with guide tracked spring damping burden-alleviating device, and the knapsack 14 subtracts with the guide tracked spring damping
Negative device is connected, the guide tracked spring damping burden-alleviating device when human body is walked about in heavy burden, make the vibration of knapsack weight with
Phase difference be present and reduce the weight pressure that trunk is born in human body vibration.
The intrinsic frequency for the spring-damp system that the present embodiment is formed using weight with guide tracked spring damping burden-alleviating device
With the difference of human locomotion vibration frequency, slow down the pressure that knapsack weight is applied to trunk, so as to reach the purpose of Reduction of Students' Study Load.
During human locomotion, when people bears whole device motion by dressing shoulder belt, the knapsack equipped with weight vibrates with spring drawstring composition
System simultaneously does the up and down motion of low friction along guide rail with the activity of trunk.When by weight and guide tracked spring damping
Burden-alleviating device intrinsic frequency and human body walk dynamic frequency frequency ratio reach predetermined value after, the weight pressure that trunk is subject to will
It can greatly reduce, so as to mitigate the burden that human body bears weight.
As shown in Fig. 2 described guide tracked spring damping burden-alleviating device includes upper mounting rail 2, lower mounting rail 12, two is led
Rail 10, the frame that is slidably connected, some spring drawstrings 4, the upper mounting rail 2 and lower mounting rail are abreast arranged on the back of the body about 12
The medial surface of plate 9, two pairs of vertically symmetrical shoulder belt mounting grooves are set on described backboard 9 and upper are used to connect mounting rail 2, lower peace
Fill the mounting hole of beam 12；The mounting interface being connected with backboard 9 is provided with described upper mounting rail 2, lower mounting rail 12.Two
Guide rail 10 is symmetrically vertically installed between mounting rail 2 and lower mounting rail 12；It is described be slidably connected at left and right sides of frame respectively with
Two guide rails 10 are slidably connected, and the frame upper end that is slidably connected is connected by spring drawstring 4 with upper mounting rail 2.Each several part exists
Spatially vertical parallel installation so that whole device is compact-sized, and space-consuming is few.
Specifically, the described frame that is slidably connected is rectangular, including a pair of vertical spring drawstring installations abreast set
Comb 8, a pair horizontally connected with the crossbeam 13 being arranged between spring drawstring installation comb 8, the corner of the frame that is slidably connected
It is provided with the linear bearing 6 being slidably matched with the guide rail.
Specifically, the corner of the described frame that is slidably connected is additionally provided with the knapsack grip slipper 7 for connecting knapsack 14, can
Easily connection and dismounting are realized with the connection member being correspondingly arranged on knapsack 14.Thus, the weight in knapsack, be slidably connected frame
Damping mass oscillatory system is constituted with spring drawstring.When people's walking, because the walking of people substantially belongs to inverted single pendulum shape
Formula, shoulder in the vertical direction have considerable displacement, and the upper and lower linear motion is equivalent to by the weight in knapsack, the company of slip
Connect frame and spring drawstring 4 constitutes the displacement input of damping mass oscillatory system, so as to cause the vibration of damping mass.
Specifically, the guiding that some limitation spring drawstrings 4 are swung is provided with described spring drawstring installation comb 8
Groove.
In addition, the left and right ends of the upper mounting rail 2 are provided with away line wheel 3, for adjusting the active length of spring drawstring 4
Length adjustment fixed plate 5.The top and bottom of the upper mounting rail 2 are provided with spring drawstring cabling channel and along on described
Some spring pulling rope lengths regulation pressing plate that the length direction of mounting rail 2 is uniformly arranged.
In the present embodiment, some described spring drawstrings 4 are equally divided into two groups, and one of which is arranged on upper mounting rail 2
In the cabling channel at top, one end of this group of spring drawstring 4 is fixed on the cabling channel at the top of upper mounting rail by length adjustment fixed plate 5
Left end, the other end are connected after line wheel through walking for the upper right-hand member of mounting rail 2 with the spring drawstring installation comb 8 of the same side；Another group of bullet
Spring drawstring 4 is arranged in the cabling channel of the upper bottom of mounting rail 2, and one end of this group of spring drawstring 4 is fixed by length adjustment fixed plate 5
Cabling channel right-hand member in the upper bottom of mounting rail 2, the spring walked line wheel 3 after with the same side of the other end through the upper left end of mounting rail 2
The connection of drawstring installation comb 8.
When people's walking, because the walking of people substantially belongs to inverted single pendulum form, shoulder in the vertical direction has can
The displacement of sight, the upper and lower linear motion equivalent to by the weight in knapsack, be slidably connected frame and spring drawstring 4 constitutes damping
The displacement input of quality oscillatory system, so as to cause the vibration of damping mass.
The weight that the present embodiment is born people using a kind of special sliding track mechanism is converted to damped oscillation quality, and and bullet
Spring drawstring 4 forms a spring-damp system for possessing low intrinsic frequency.Utilize the intrinsic frequency and human-step of the damping system
The difference of row vibration frequency, slow down the pressure that knapsack weight is applied to trunk, so as to reach the purpose of Reduction of Students' Study Load.Said mechanism
By backboard, upper mounting rail, lower mounting rail, guide rail and the frame that is slidably connected, parallel installation forms successively, forms a compact flat board
Type mechanism.
Described backboard has the mounting hole of two pairs of shoulder belt mounting grooves being poised for battle vertically and upper and lower mounting rail.Pass through shoulder belt
Mounting groove, it can coordinate shoulder belt geometrical clamp that two shoulder belts are symmetrically mounted on backboard, supply human body wearing.Pass through upper and lower beam
Mounting hole, can be affixed by backboard and the progress of upper and lower mounting rail.
Described guide rail is arranged on upper and lower mounting rail both ends to be vertically symmetrical.Four linear bearings are divided into two pairs, right two-by-two
Ground is claimed to be arranged in guide rail, frame provides mounting interface to be slidably connected.
Spring-damp system in said mechanism, the difference of dynamic frequency is walked using spring-damp system intrinsic frequency and human body
It is different, reach when forming spring-damp system intrinsic frequency by weight, guide rail and spring drawstring and walking with human body the frequency ratio of dynamic frequency
After predetermined value, the pressure that weight is applied to trunk is greatly reduced, reaches the purpose of Reduction of Students' Study Load.
The announcement and teaching of book according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and changed.Therefore, the invention is not limited in embodiment disclosed and described above, to the present invention's
Some modifications and changes should also be as falling into the scope of the claims of the present invention.
Claims (10)
- A kind of 1. guide tracked knapsack load burden-alleviating device, it is characterised in that：Including knapsack (14), backboard (9), it is connected to the back of the body Shoulder belt (1) on the outside of plate (9), is provided with guide tracked spring damping burden-alleviating device on the inside of the backboard (9), the knapsack (14) with The guide tracked spring damping burden-alleviating device is connected, and the guide tracked spring damping burden-alleviating device is walked about in human body in heavy burden When, the vibration of knapsack weight and human body vibration phase difference is present and is reduced the weight pressure that trunk is born.
- 2. guide tracked knapsack load burden-alleviating device according to claim 1, it is characterised in that：Described guide tracked spring resistance Buddhist nun's burden-alleviating device includes upper mounting rail (2), lower mounting rail (12), two guide rails (10), the frame that is slidably connected, some spring drawstrings (4), the upper mounting rail (2) and lower mounting rail (12) are abreast arranged on the backboard (9) medial surface, two guide rails up and down (10) symmetrically it is vertically installed between mounting rail (2) and lower mounting rail (12)；At left and right sides of the frame that is slidably connected respectively It is slidably connected with two guide rails (10), the frame upper end that is slidably connected is connected by spring drawstring (4) with upper mounting rail (2).
- 3. guide tracked knapsack load burden-alleviating device according to claim 2, it is characterised in that：The described frame that is slidably connected is in Rectangle, including a pair of vertical spring drawstring installations abreast set are combed (8), drawn horizontally connected with the spring is arranged on for a pair Rope installation comb (8) between crossbeam (13), the corner of the frame that is slidably connected be provided be slidably matched with the guide rail it is straight Bobbin is held (6).
- 4. guide tracked knapsack load burden-alleviating device according to claim 3, it is characterised in that：The described frame that is slidably connected Corner is additionally provided with the knapsack grip slipper (7) for connecting knapsack (14).
- 5. guide tracked knapsack load burden-alleviating device according to claim 3, it is characterised in that：Described spring drawstring installation The guide groove that some limitation spring drawstrings (4) swing is provided with comb (8).
- 6. guide tracked knapsack load burden-alleviating device according to claim 1, it is characterised in that：The both ends of the shoulder belt (1) It is fixed on by being arranged on the shoulder belt geometrical clamp (11) on the inside of backboard (9) on backboard (9).
- 7. guide tracked knapsack load burden-alleviating device according to claim 2, it is characterised in that：The upper mounting rail (2) Left and right ends are provided with away line wheel (3), the length adjustment fixed plate (5) for adjusting spring drawstring (4) active length.
- 8. guide tracked knapsack load burden-alleviating device according to claim 2, it is characterised in that：Set on described backboard (9) Put two pairs of vertically symmetrical shoulder belt mounting grooves and upper for connecting mounting rail (2), the mounting hole of lower mounting rail (12)；Described The mounting interface being connected with backboard (9) is provided with upper mounting rail (2), lower mounting rail (12).
- 9. guide tracked knapsack load burden-alleviating device according to claim 2, it is characterised in that：Upper mounting rail (2) top Portion and bottom are provided with spring drawstring cabling channel and some bullets being uniformly arranged along upper mounting rail (2) length direction Spring pulling rope length adjusts pressing plate.
- 10. guide tracked knapsack load burden-alleviating device according to claim 9, it is characterised in that：Some described springs Drawstring (4) is equally divided into two groups, and one of which is arranged in the cabling channel at the top of upper mounting rail (2), this group of spring drawstring (4) One end is fixed on the cabling channel left end at the top of upper mounting rail by length adjustment fixed plate (5), and the other end is right through upper mounting rail (2) Walking for end is connected with the spring drawstring installation comb (8) of the same side after line wheel；Another group of spring drawstring (4) is arranged on upper mounting rail (2) in the cabling channel of bottom, one end of this group of spring drawstring (4) is fixed on upper mounting rail (2) bottom by length adjustment fixed plate (5) The cabling channel right-hand member in portion, the spring drawstring of the line wheel (3) afterwards with the same side of walking of the other end through upper mounting rail (2) left end install comb (8) connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710842540.8A CN107594857A (en) | 2017-09-18 | 2017-09-18 | A kind of guide tracked knapsack load burden-alleviating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710842540.8A CN107594857A (en) | 2017-09-18 | 2017-09-18 | A kind of guide tracked knapsack load burden-alleviating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107594857A true CN107594857A (en) | 2018-01-19 |
Family
ID=61060645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710842540.8A Pending CN107594857A (en) | 2017-09-18 | 2017-09-18 | A kind of guide tracked knapsack load burden-alleviating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107594857A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109602147A (en) * | 2018-12-11 | 2019-04-12 | 章婧 | A kind of mountain-climbing knapsack burden-alleviating device |
| CN109864430A (en) * | 2019-04-04 | 2019-06-11 | 冯雨 | Knapsack loss of weight railroad and sliding rail loss of weight backpack and luggage carrier |
| CN110025122A (en) * | 2019-04-15 | 2019-07-19 | 佟文志 | A kind of suspension loss of weight mechanism and the suspension knapsack with the mechanism |
| CN110292243A (en) * | 2019-08-03 | 2019-10-01 | 上海智御动力技术有限公司 | Knapsack with idler wheel damping device |
| CN110507067A (en) * | 2019-08-28 | 2019-11-29 | 兰州理工大学 | A kind of multi-purpose backpack support using human body vibration energy and solar energy complemental power-generation |
| CN110584305A (en) * | 2019-09-17 | 2019-12-20 | 南方科技大学 | Shoulder bag |
| CN110720737A (en) * | 2019-10-18 | 2020-01-24 | 徐琳 | Adjustable suspension decompression backpack mechanism |
| CN114521730A (en) * | 2022-03-01 | 2022-05-24 | 湖南大学 | Suspension load-reducing backpack |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5732867A (en) * | 1996-11-26 | 1998-03-31 | Crush Innovative Sports Systems, Inc. | Releasable backpack |
| CN2836538Y (en) * | 2005-11-18 | 2006-11-15 | 张勇中 | The Reduction of Students' Study Load case and bag |
| US20080185411A1 (en) * | 2003-03-17 | 2008-08-07 | Lightning Packs, Llc | Suspended load ergonomic backpack |
| CN207355703U (en) * | 2017-09-18 | 2018-05-15 | 华南理工大学 | A kind of guide tracked knapsack load burden-alleviating device |
-
2017
- 2017-09-18 CN CN201710842540.8A patent/CN107594857A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5732867A (en) * | 1996-11-26 | 1998-03-31 | Crush Innovative Sports Systems, Inc. | Releasable backpack |
| US20080185411A1 (en) * | 2003-03-17 | 2008-08-07 | Lightning Packs, Llc | Suspended load ergonomic backpack |
| CN2836538Y (en) * | 2005-11-18 | 2006-11-15 | 张勇中 | The Reduction of Students' Study Load case and bag |
| CN207355703U (en) * | 2017-09-18 | 2018-05-15 | 华南理工大学 | A kind of guide tracked knapsack load burden-alleviating device |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109602147A (en) * | 2018-12-11 | 2019-04-12 | 章婧 | A kind of mountain-climbing knapsack burden-alleviating device |
| CN109864430A (en) * | 2019-04-04 | 2019-06-11 | 冯雨 | Knapsack loss of weight railroad and sliding rail loss of weight backpack and luggage carrier |
| CN110025122A (en) * | 2019-04-15 | 2019-07-19 | 佟文志 | A kind of suspension loss of weight mechanism and the suspension knapsack with the mechanism |
| CN110025122B (en) * | 2019-04-15 | 2024-04-16 | 佟文志 | Suspension weight-reducing mechanism and suspension backpack with same |
| CN110292243A (en) * | 2019-08-03 | 2019-10-01 | 上海智御动力技术有限公司 | Knapsack with idler wheel damping device |
| CN110507067A (en) * | 2019-08-28 | 2019-11-29 | 兰州理工大学 | A kind of multi-purpose backpack support using human body vibration energy and solar energy complemental power-generation |
| CN110584305A (en) * | 2019-09-17 | 2019-12-20 | 南方科技大学 | Shoulder bag |
| CN110720737A (en) * | 2019-10-18 | 2020-01-24 | 徐琳 | Adjustable suspension decompression backpack mechanism |
| CN110720737B (en) * | 2019-10-18 | 2021-10-22 | 徐琳 | Adjustable suspension decompression backpack mechanism |
| CN114521730A (en) * | 2022-03-01 | 2022-05-24 | 湖南大学 | Suspension load-reducing backpack |
| CN114521730B (en) * | 2022-03-01 | 2022-12-27 | 湖南大学 | Suspension burden-reducing backpack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107594857A (en) | A kind of guide tracked knapsack load burden-alleviating device | |
| CN207355703U (en) | A kind of guide tracked knapsack load burden-alleviating device | |
| CN107616617A (en) | A kind of adjustable knapsack heavy burden burden-alleviating device | |
| CN207506131U (en) | A kind of adjustable knapsack heavy burden burden-alleviating device | |
| CN107588312A (en) | A kind of knapsack load burden-alleviating device | |
| CN108887863A (en) | A kind of knapsack dynamic load burden-alleviating device | |
| CN103010493B (en) | Suspended gravity compensation solar wing ground three-dimensional unfolding test device | |
| Ellis et al. | Muscle contributions to propulsion and braking during walking and running: insight from external force perturbations | |
| CN110269379B (en) | Energy collection and burden reduction knapsack based on friction electricity generation | |
| CN203172749U (en) | Moving base of crawler belt robot | |
| CN109664274A (en) | A kind of panzer rescue exoskeleton robot | |
| CN209498988U (en) | A kind of knapsack dynamic load burden-alleviating device | |
| CN110279217A (en) | A kind of multifunctional floating knapsack | |
| IT201600077791A1 (en) | PENDANT PERFECTED FOR A SUSPENDED CONTACT WIRE OF A RAILWAY LINE AND ELECTRIC LINE INCLUDING SUCH A SLOPE | |
| CN110720737B (en) | Adjustable suspension decompression backpack mechanism | |
| CN209567001U (en) | A kind of leg structure of foot formula walking robot | |
| CN207514542U (en) | A kind of knapsack load burden-alleviating device | |
| CN208190111U (en) | Conduit line crusing robot | |
| CN209195403U (en) | Coalcutter video acquisition connection damping trolley | |
| CN113679162B (en) | Suspension shock attenuation electricity generation knapsack | |
| CN204251141U (en) | High-velocity elevator wire rope compensates and swelling device | |
| CN205746031U (en) | The rack of nursing oxygen cylinder | |
| CN108188955A (en) | A kind of high-precision parallelism adjusting instrument and method | |
| CN210539598U (en) | Floating pressure reducing device of floating backpack | |
| CN208308189U (en) | A kind of compensation steel wire tensioning system that counterweight is side-mounted and elevator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |