CN109352619B - Link device and method of use - Google Patents
Link device and method of use Download PDFInfo
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- CN109352619B CN109352619B CN201811254076.1A CN201811254076A CN109352619B CN 109352619 B CN109352619 B CN 109352619B CN 201811254076 A CN201811254076 A CN 201811254076A CN 109352619 B CN109352619 B CN 109352619B
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- link
- chain
- chain link
- links
- sliding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J1/00—Manipulators positioned in space by hand
- B25J1/04—Manipulators positioned in space by hand rigid, e.g. shelf-reachers
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- Engineering & Computer Science (AREA)
- Robotics (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention provides a chain link device and a using method thereof, relates to the technical field of auxiliary supporting devices, and solves the technical problem that the chain link device in the prior art cannot be switched between flexibility and rigidity. The device comprises chain links, a two-state joint and a telescopic driving device, wherein the two-state joint is connected with two adjacent chain links and enables the two adjacent chain links to rotate along the folding direction through the two-state joint; the telescopic driving device is connected with the chain links, and when the chain link device is vertically hung, the telescopic driving device can drive all the two-state joints to extend into the corresponding chain links until the chain link device forms a rigid rod structure which is abutted against the bottom surface. The invention is used for being placed in a working environment which cannot be reached by people in person and can support the processing equipment in the working environment.
Description
Technical Field
The invention relates to the technical field of auxiliary supporting devices, in particular to a chain link device and a using method of the chain link device.
Background
In an actual engineering project scene, manual work is a work environment which cannot be reached by people to finish operations, and processing equipment is placed in a device to be processed/processed to replace manual work to finish a series of operations; when the equipment is placed in a device to be processed, some auxiliary supports are needed to ensure the normal operation of the equipment. For example, when the welding device is placed in a device of a tank structure, the welding device needs to be supported inside the tank by a support structure so as to realize the welding process of the welding device on the inside of the tank.
The applicant has found that the prior art has at least the following technical problems:
however, with the taut cable as the support structure, the rigidity of the cable mechanism is relatively poor, easily affecting the operating accuracy of the processing apparatus; and some rigid supporting structures have large volume and weight and are inconvenient to install and use.
Disclosure of Invention
The invention aims to provide a link device and a using method thereof, and solves the technical problem that the link device in the prior art cannot be switched between flexibility and rigidity. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a chain link device which comprises chain links, a two-state joint and a telescopic driving device, wherein the two-state joint is used for connecting two adjacent chain links and enabling the two adjacent chain links to rotate along the folding direction through the two-state joint; the telescopic driving device is connected with the chain links, and when the chain link device is vertically hung, the telescopic driving device can drive all the two-state joints to extend into the corresponding chain links until the chain link device forms a rigid rod structure which is abutted against the bottom surface.
Preferably, the two-state joint includes a sliding portion and a rotating portion connected to the sliding portion, the sliding portion extends into the corresponding link and is slidably connected to the link, the rotating portion connects the corresponding link and the sliding portion, and the sliding portion moves in a direction of extending into the link until the rotating portion extends into the link, and the rotating portion extending into the link can limit two adjacent links from being folded.
Preferably, the sliding portion is provided with a sliding slot hole, the sliding slot hole is arranged on the sliding portion along the axial direction of the sliding portion, the sliding portion is connected with the chain link through a guide pin, and the guide pin penetrates through the chain link and extends into the sliding slot hole.
Preferably, the rotating portion includes a first rotating portion connected to the sliding portion and a second rotating portion provided at an end of the link, the second rotating portion being inserted into the first rotating portion and connected thereto by a shaft pin.
Preferably, the side surfaces of the other two second rotating parts adjacent to the side surface clamped in the first rotating part are limiting side surfaces, the limiting side surfaces are consistent with the shape of the inner side walls of the links, when the second rotating parts extend into the links, the limiting side surfaces have a gap with the link support, and the limiting side surfaces can limit the two adjacent links from being folded; the end face of the second rotating part is a V-shaped face with smooth transition.
Preferably, the first rotating part comprises a connecting part and vertical parts, the connecting part connects the vertical parts and the sliding part, the second rotating part is located between the two vertical parts, and the free ends of the vertical parts are arc-shaped surfaces; the chain link is provided with a clamping groove, the shape of the clamping groove is matched with that of the vertical portion, and when the sliding portion moves towards the direction stretching into the chain link, the vertical portion can be inserted into the clamping groove.
Preferably, the chain link device further comprises a fixing structure, all the chain links are connected in sequence to form a chain link structure, the fixing structure is arranged at one end of the chain link structure, and the fixing structure can be connected with a component so that the chain link device can be hung vertically.
Preferably, the chain links comprise common chain links, telescopic chain links, supporting chain links and moving chain links, the supporting chain links and the telescopic chain links are arranged at two ends, the supporting chain links can be abutted to the bottom surface, a working platform is arranged on the moving chain links, and when the chain link device is vertically hung, the telescopic chain links can extend to the extent that the chain link device can form a rigid rod structure.
Preferably, the common link, the telescopic link, the supporting link, and the moving link are all of a columnar structure; the telescopic chain link comprises a cylinder structure; the free end of the supporting chain link is provided with a supporting platform; the number of the common chain links is at least one.
A method of using the link apparatus, comprising the steps of: and placing the chain link device in a working environment and vertically suspending, and starting the telescopic driving device to enable the two-state joint to extend into the corresponding chain link until the chain link device forms a rigid rod structure abutted against the bottom surface.
The invention provides a chain link device, wherein two adjacent chains can rotate along the folding direction through a two-state joint, the chain link device is in a flexible state, and when the chain link device is vertically hung, a telescopic driving device can drive all the two-state joints to extend into corresponding chain links until the chain link device forms a rigid rod structure which is abutted against the bottom surface, so that the chain link device is in a rigid state, and the technical problem that the chain link device in the prior art can not be mutually switched between flexibility and rigidity is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a link assembly according to an embodiment of the present invention in a rigid state;
FIG. 2 is a schematic representation of a link assembly according to an embodiment of the present invention in a flexible state;
FIG. 3 is a schematic diagram of an exploded structure of a two-state joint provided by an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the second rotating part disposed in the chain link (the first rotating part and the second rotating part cannot rotate) according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a second rotation portion provided in the embodiment of the present invention, which is not disposed in the connection (the first rotation portion and the second rotation portion can rotate);
fig. 6 is a schematic structural diagram of a sliding portion and a first rotating portion according to an embodiment of the present invention.
FIG. 1-chain link; 11-a card slot; 12-a telescopic link; 13-a support link; 131-a support platform; 14-a kinematic link; 141-a working platform; 15-common chain links; 2-a two-state joint; 21-a sliding part; 211-sliding slot holes; 22-a first rotating part; 221-a connecting portion; 222-a vertical portion; 23-a second rotating part; 231-a limiting side; 3-a guide pin; 4-a fixed structure; 5-axle pin.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1-6, the invention provides a chain link device, comprising chain links 1, a two-state joint 2 and a telescopic driving device, wherein the two-state joint 2 connects two adjacent chain links 1 and enables the two adjacent chain links 1 to rotate along a folding direction through the two-state joint 2; the telescopic driving device is connected with the chain links 1 and can drive all the two-state joints 2 to extend into the corresponding chain links 1 until the chain links form a rigid rod structure which is abutted with the bottom surface when the chain links are vertically hung. When the chain link device is not used, each chain link 1 can be folded through the two-state joint 2, so that the chain link device is in a flexible state, the placing space of the chain link device is reduced, and the chain link device can be conveniently placed in a working environment due to the fact that the chain links 1 can rotate; when the chain link device is used, the chain link device is placed in a working environment and is vertically hung (the top end of the chain link device is fixed, the chain link device is in a vertical state under the action of gravity, the bottom end of the chain link device can be contacted with the bottom surface), the telescopic driving device can drive all the two-state joints 2 to stretch into the corresponding chain links 1, two adjacent chain links 1 cannot rotate, the telescopic driving device can drive the bottom of the chain link device to be abutted against the bottom surface of the working environment, the chain link device further forms a rigid rod piece structure, the chain link device is in a rigid state at the moment, the strength of supporting and processing equipment is met, and the technical problem that the chain link device in the prior art cannot be mutually switched between flexibility and rigidity is solved. In addition, the chain link device provided by the invention can accurately position the placement position of the chain link device according to the requirements of the working environment.
As an alternative embodiment of the present invention, the two-state joint 2 includes a sliding portion 21 and a rotating portion connected to the sliding portion 21, the sliding portion 21 extends into the corresponding link 1 and is slidably connected to the link 1, the rotating portion connects the corresponding link 1 and the sliding portion 21, and when the sliding portion 21 moves in the direction of extending into the link 1 until the rotating portion extends into the link 1, the rotating portion extending into the link 1 can limit the two adjacent links 1 from being folded; a sliding slot hole 211 is formed in the sliding part 21, the sliding slot hole 211 is arranged on the sliding part 21 along the axial direction of the sliding part 21, the sliding part 21 is connected with the chain link 1 through a guide pin 3, the guide pin 3 penetrates into the sliding slot hole 211 through the chain link 1, the sliding part 21 is arranged on the chain link 1 through the guide pin 3, the guide pin 3 is fixedly connected with the chain link 1, the guide pin 3 can move along the length direction of the sliding slot hole 211 relative to the sliding part 21, and further the sliding part 21 and the chain link 1 can move along the axial direction of the chain link 1; the rotating part comprises a first rotating part 22 and a second rotating part 23, the first rotating part 22 is connected with the sliding part 21, the second rotating part 23 is arranged at the end part of the chain link 1, the second rotating part 23 is inserted into the first rotating part 22 and is connected with the first rotating part 22 and the second rotating part by a shaft pin 5; the side surfaces of the other two second rotating parts 23 adjacent to the side surface clamped in the first rotating part 22 are limiting side surfaces 231, the limiting side surfaces 231 are consistent with the shape of the inner side wall of the chain link 1, and when the second rotating parts 23 extend into the chain link 1, a gap is formed between the limiting side surfaces 231 and the support of the chain link 1, and the limiting side surfaces 231 can limit the two adjacent chain links 1 to be folded; the end surface of the second rotating portion 23 is a smooth V-shaped surface, which facilitates the rotation of the second rotating portion 23 relative to the first rotating portion 22.
As an optional implementation manner of the embodiment of the present invention, the first rotating portion 22 includes a connecting portion 221 and a vertical portion 222, the connecting portion 221 connects the vertical portion 222 and the sliding portion 21, the second rotating portion 23 is located between the two vertical portions 222, and a free end of each vertical portion 222 is an arc-shaped surface, so that the vertical portion 222 can rotate conveniently; the link 1 is provided with a slot 11, the shape of the slot 11 matches with the shape of the vertical portion 222, and when the sliding portion 21 moves in the direction of extending into the link 1, the vertical portion 222 can be inserted into the slot 11. Referring to fig. 5, the arc-shaped free end of the vertical part 222 can contact with the link 1 positioned below the vertical part, the second rotating part 23 can rotate relative to the first rotating part 22, part of the vertical part 222 is also inserted into the slot 11, and the vertical part 222 and the slot 11 are matched to limit the rotation of two adjacent links 1 in the circumferential direction; referring to fig. 4, the second rotating portion 23 extends into the link 1, and adjacent two links 1 cannot rotate.
As an optional implementation mode of the embodiment of the invention, the chain link device further comprises a fixing structure 4, all the chain links 1 are sequentially connected to form the chain link structure, the fixing structure 4 is arranged at one end of the chain link structure, and the fixing structure 4 can be connected with the components so that the chain link device can be vertically hung. The chain link device further comprises a supporting structure, all chain links 1 are sequentially connected to form a chain link structure, the supporting structure is arranged at one end of the chain link structure, the supporting structure can be abutted to the bottom surface, and stability of the chain link device in a rigid state in a working environment is improved.
As an optional implementation manner of the embodiment of the invention, the chain links include a common chain link 15, an extension chain link 12, a support chain link 13 and a moving chain link 14, the support chain link 13 and the extension chain link 12 are arranged at two ends, the support chain link 13 can be abutted against the bottom surface, a working platform 141 is arranged on the moving chain link 14, and when the chain link device is in a vertical hanging state, the extension chain link 12 can extend until the chain link device can form a rigid rod structure; the common links 15, the telescopic links 12, the support links 13 and the moving links 14 may be all of a columnar structure; the telescopic links 12 comprise a cylinder structure; the free end of the supporting link 13 is provided with a supporting platform 131; the number of the common chain links 15 is at least one, the number of the common chain links 15 is increased, and the length of the chain link device is increased.
Referring to fig. 1 and 2, a fixing structure 4 is arranged at the free end of a telescopic connection 12, the fixing structure 4 is connected to a component, a chain link device is in a vertical hanging state, a supporting chain link 13 is in contact with the bottom surface, at the moment, an air cylinder mechanism on the telescopic chain link 12 is started, the telescopic chain link 12 extends, the telescopic connection 12 drives a common chain link 15 and a moving chain link 13 to move downwards until a two-state joint 2 between the supporting chain link 13 and the moving chain link 14 extends into the moving chain link 13, and by analogy, the two-state joints 2 sequentially extend into corresponding chain links 1, and when all the two-state joints 2 extend into the chain links 1, the chain link device forms a rigid rod member structure; if the telescopic links 12 continue to extend, the acting force between the two adjacent links 1 and the supporting links 13 and the bottom surface can be increased, and the strength of the rigid rod structure can be improved.
A method of using a link assembly comprising the steps of: and (3) placing the chain link device in a working environment and vertically suspending, and starting a telescopic driving device to enable the two-state joint 2 to extend into the corresponding chain link 1 until the chain link device forms a rigid rod structure abutted with the bottom surface. The method specifically comprises the following steps:
s1, sequentially putting the support chain link 13, the moving chain link 14, the common chain link 15 and the telescopic chain link 12 into a working environment;
s2, fixing the fixed structure 4 at the upper end of the working environment;
and S3, after the chain link device keeps vertical, the telescopic chain links 12 extend until all the two-state joints 2 extend into the corresponding chain links 1, and the support chain links 13 are supported at the bottom of the working environment.
When the telescopic links 12 are extended into position, the link assembly changes from a flexible state to a rigid state, allowing work to be performed on the work platform 141 of the moving links 14.
The chain link device provided by the invention can realize the long-distance and high-rigidity positioning of working equipment, and has the advantages of simple and ingenious structure and convenience in use.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. A chain link device is characterized by comprising a chain link (1), a two-state joint (2) and a telescopic driving device, wherein,
the two-state joint (2) is used for connecting two adjacent chain links (1) and enabling the two adjacent chain links (1) to rotate along the folding direction through the two-state joint (2); the telescopic driving device is connected with the chain links (1) and can drive all the two-state joints (2) to extend into the corresponding chain links (1) until the chain links form a rigid rod structure which is abutted with the bottom surface when the chain links are vertically hung;
binary state joint (2) include sliding part (21) and with the rotation portion that sliding part (21) are connected, sliding part (21) stretch into corresponding in chain link (1) and with this chain link (1) sliding connection, rotation portion connects corresponding chain link (1) with sliding part (21), sliding part (21) are along stretching into the direction of chain link (1) removes until when rotation portion stretches into in chain link (1), stretch into in chain link (1) rotation portion can restrict rather than adjacent two chain link (1) takes place to fold.
2. A link device according to claim 1, characterized in that the sliding part (21) is provided with a sliding slot hole (211), the sliding slot hole (211) is arranged on the sliding part (21) along the axial direction of the sliding part (21), the sliding part (21) is connected with the link (1) by a guide pin (3) and the guide pin (3) penetrates the link (1) and extends into the sliding slot hole (211).
3. A link means according to claim 1, characterized in that said rotating portion comprises a first rotating portion (22) and a second rotating portion (23), said first rotating portion (22) being connected with said sliding portion (21), said second rotating portion (23) being provided at the end of said link (1), said second rotating portion (23) being inserted in said first rotating portion (22) and both being connected by means of an axle pin (5).
4. A link device according to claim 3, wherein the side surfaces of the other two second rotating portions (23) adjacent to the side surfaces sandwiched in the first rotating portion (22) are limiting side surfaces (231), the limiting side surfaces (231) conform to the shape of the inner side walls of the links (1), and when the second rotating portions (23) extend into the links (1), the limiting side surfaces (231) have a clearance from the links (1) and the limiting side surfaces (231) can limit the two adjacent links (1) from folding; the end face of the second rotating part (23) is a V-shaped surface with smooth transition.
5. A link device according to claim 3, characterized in that said first rotary portion (22) comprises a connecting portion (221) and a vertical portion (222), said connecting portion (221) connecting said vertical portion (222) with said sliding portion (21), said second rotary portion (23) being located between two of said vertical portions (222), the free ends of said vertical portions (222) being arc-shaped faces; the chain link (1) is provided with a clamping groove (11), the shape of the clamping groove (11) is matched with that of the vertical portion (222), and when the sliding portion (21) moves towards the direction stretching into the chain link (1), the vertical portion (222) can be inserted into the clamping groove (11).
6. Chain link device according to claim 1, characterized in that it further comprises a fixing structure (4), all the chain links (1) being connected in sequence forming a chain link structure and the fixing structure (4) being arranged at one end of the chain link structure, the fixing structure (4) being connectable with a component such that the chain link device hangs vertically.
7. A link means according to claim 1, characterized in that the links comprise a normal link (15), an extension link (12), a support link (13) and a motion link (14), the support link (13) and the extension link (12) are arranged at both ends and the support link (13) can be abutted against the bottom surface, a working platform (141) is arranged on the motion link (14), and when the link means is vertically suspended, the extension link (12) can be extended until the link means can form a rigid rod structure.
8. A link means according to claim 7, characterized in that the ordinary links (15), the telescopic links (12), the supporting links (13) and the moving links (14) are all of a cylindrical structure; the telescopic chain link (12) comprises a cylinder structure; the free end of the supporting chain link (13) is provided with a supporting platform (131); the number of the common chain links (15) is at least one.
9. Use of a link means according to any of claims 1-8, characterized in that it comprises the following steps:
and (3) placing the chain link device in a working environment and vertically suspending, and starting the telescopic driving device to enable the two-state joint (2) to extend into the corresponding chain link (1) until the chain link device forms a rigid rod structure abutted against the bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811254076.1A CN109352619B (en) | 2018-10-25 | 2018-10-25 | Link device and method of use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811254076.1A CN109352619B (en) | 2018-10-25 | 2018-10-25 | Link device and method of use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109352619A CN109352619A (en) | 2019-02-19 |
| CN109352619B true CN109352619B (en) | 2021-07-06 |
Family
ID=65346861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811254076.1A Active CN109352619B (en) | 2018-10-25 | 2018-10-25 | Link device and method of use |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109352619B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7918898B2 (en) * | 2006-11-30 | 2011-04-05 | Bloorview Kids Rehab | Artificial joint with locking mechanism |
| EP2300724A1 (en) * | 2008-06-27 | 2011-03-30 | Allegiance Corporation | Flexible wrist-type element and methods of manufacture and use thereof |
| CN102588423A (en) * | 2011-01-13 | 2012-07-18 | 赵萍萍 | Chained flexible push rod |
| CN106949193B (en) * | 2017-02-23 | 2018-12-14 | 东风汽车公司 | A kind of rollable rigid support device |
| CN108673556B (en) * | 2018-07-18 | 2024-06-04 | 深圳熙康医疗科技有限公司 | Mechanical arm |
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2018
- 2018-10-25 CN CN201811254076.1A patent/CN109352619B/en active Active
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| Publication number | Publication date |
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| CN109352619A (en) | 2019-02-19 |
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