CN113371527A - Novel closed chain link group applied to drag chain - Google Patents
Novel closed chain link group applied to drag chain Download PDFInfo
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- CN113371527A CN113371527A CN202110751713.1A CN202110751713A CN113371527A CN 113371527 A CN113371527 A CN 113371527A CN 202110751713 A CN202110751713 A CN 202110751713A CN 113371527 A CN113371527 A CN 113371527A
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- chain link
- side plate
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- connection panel
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- 210000001503 joint Anatomy 0.000 claims description 47
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000002245 particle Substances 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H51/00—Forwarding filamentary material
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/06—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for laying cables, e.g. laying apparatus on vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/33—Hollow or hose-like material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/34—Handled filamentary material electric cords or electric power cables
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- Electric Cable Arrangement Between Relatively Moving Parts (AREA)
Abstract
The invention relates to a novel closed chain link group applied to a drag chain, which comprises a plurality of chain link units, wherein each chain link unit is sequentially connected end to end, each chain link unit comprises a side plate and a supporting and connecting panel, the side plate is divided into a left side plate and a right side plate, the left side plate and the right side plate are arranged on two sides of the supporting and connecting panel, and when adjacent chain link units are assembled, the adjacent two chain link units are movably connected, and the novel closed chain link group is characterized in that: the supporting connection panel is provided with a front connection panel and a rear connection panel, the end face of the rear connection panel is processed into a rear plane with a lower recess, the front connection panel is arranged at the front end of the rear connection panel, the lower side of the front connection panel is processed into an arc-shaped inner concave surface to form an inner supply shape, the rear plane is processed into a convex surface matched with the arc-shaped inner concave surface, and an inner recess arc-shaped area is formed between the rear plane and the rear connection panel; when the front connecting panel is connected with the adjacent chain link units, the front connecting panel of one chain link unit is positioned on the rear plane of the other adjacent chain link unit, and a closed surface with a gap of 0.1-0.5mm is formed between the front connecting panel and the rear plane; when the adjacent connected chain link units are in a plane state, the end part of the front connecting panel positioned on the rear plane is arranged in the concave arc area. The closed surface structure is designed structurally, the protection grade can be better, the new closed surface of the product in normal operation work can prevent particles with the size of more than 0.3mm, and the problems that the drag chain is unstable in operation and the service life is short due to the falling of the particles at present are solved.
Description
Technical Field
The invention relates to the technical field of drag chains, in particular to a novel closed chain link group applied to a drag chain.
Background
A tow chain, also known as a Cable carrier, is a device for binding cables or wires or an air pressure pipe and an oil pressure pipe to facilitate rotation and movement thereof.
The drag chain is characterized by continuous operation, the drag chain is used for laying cables, oil and gas pipelines, the current drag chain is mainly formed by assembling chain links with different sizes, inner widths, inner heights and pitches, the cables, the oil pipes, the gas pipelines and the like on occasions needing to move back and forth are protected, the cables, the oil pipes, the gas pipelines and the like are arranged in the drag chain in order to prevent the cables, the oil pipes, the gas pipelines and the like from being entangled, abraded, pulled off, hooked and scattered, the drag chain is protected, the pipeline laying work is facilitated, particularly, in places where workers cannot conveniently enter, when the drag chain is used, the pipelines are placed inside the drag chain, and the pipelines can be conveyed to a designated working position along with the movement of the drag chain.
However, the existing drag chain has the defects that the protection is poor, particles are easy to fall into the space between every two movable chain links of the drag chain when the drag chain works, the service life is shortened, and the drag chain is improved aiming at the problems.
Disclosure of Invention
The invention provides a novel closed chain link group applied to a drag chain, which solves the problem of overlarge noise in the use process in the prior art.
The technical scheme of the invention is realized as follows:
be applied to novel closed chain link group of tow chain, including a plurality of chain link units, every chain link unit head and the tail connect gradually, and the chain link unit includes curb plate and support connection panel, and the curb plate divide into left side board and right side board, and the both sides of supporting connection panel are located to left side board and right side board, and when adjacent chain link unit equipment, adjacent two chain link unit swing joint, its characterized in that: the supporting connection panel is provided with a front connection panel and a rear connection panel, the end face of the rear connection panel is processed into a rear plane with a lower recess, the front connection panel is arranged at the front end of the rear connection panel, the lower side of the front connection panel is processed into an arc-shaped inner concave surface to form an inner supply shape, the rear plane is processed into a convex surface matched with the arc-shaped inner concave surface, and an inner recess arc-shaped area is formed between the rear plane and the rear connection panel;
when the front connecting panel is connected with the adjacent chain link units, the front connecting panel of one chain link unit is positioned on the rear plane of the other adjacent chain link unit, and a closed surface with a gap of 0.1-0.5mm is formed between the front connecting panel and the rear plane;
when the adjacent connected chain link units are in a plane state, the end part of the front connecting panel positioned on the rear plane is arranged in the concave arc area.
According to the scheme, the reasonable design of the supporting connecting panel is utilized, particularly, after the chain link unit is assembled, when the chain link unit is connected with the adjacent chain link unit, the front connecting panel of one chain link unit can be located on the rear plane of the adjacent other chain link unit, the front connecting panel and the rear plane are arranged to be of arc structures, when the chain link units move relative to each other, the front connecting panel of one chain link unit can move along the rear plane of the other chain link unit installed in a matched mode, the rear plane cannot be separated from the front plane, the problem that large particles are splashed and easily clamped between the chain links is solved, and the closed surface is provided with particles which are prevented from being more than 0.5 mm.
Preferably, the left side plate and the right side plate are respectively provided with a front butt joint end and a rear butt joint end, the front butt joint end is provided with a shaft hole, and the rear butt joint end is provided with a rotating shaft;
when adjacent link units are assembled, the front butt end of one link unit and the rear butt end of another adjacent link unit are matched and can rotate.
According to the scheme, the movable connection of the two chain link units is realized through reasonable design, and particularly, the shaft hole of the front butt joint end of one chain link unit is in matched butt joint with the rotating shaft of the rear butt joint end of the other chain link unit.
Preferably, the two shaft holes of the front butt joint end are located on the same axis, and the two rotating shafts of the rear butt joint end are also located on the same axis.
According to the scheme, the operation reliability is ensured, and the smooth rotation is realized.
Preferably, a space a is formed between the front butt ends of the left side plate, and a space B is formed between the front butt end of the right side plate and the front connection panel;
spaces a and B serve as rotation regions of one of the link units when adjacent link units are assembled.
According to the scheme, the reasonable utilization space of the scheme is that the front butt joint end and the rear butt joint end are of the semicircular structures, the front butt joint end and the rear butt joint end need certain space to operate, the front connecting panel is designed according to the scheme, and the operation reliability is guaranteed through the reserved space between the front connecting panel and the side plates.
Preferably, a contra-rotating inner side surface is formed on the inner side of the front butt joint end, a first concave stroke groove and a first limiting block are formed on the contra-rotating inner side surface, a contra-rotating outer side surface is formed on the outer side of the rear butt joint end, and a second concave stroke groove and a second limiting block are formed on the contra-rotating outer side surface;
when adjacent chain link units are assembled, the second limiting block is positioned in the first inner concave stroke groove and is resisted by the side wall of the first inner concave stroke groove through the assembly of the rotating shaft arranged at the rear butt joint end and the shaft hole at the front butt joint end, and the first limiting block is positioned in the second inner concave stroke groove and is resisted by the side wall of the second inner concave stroke groove;
after the contra-rotating inner side surface of one chain link unit is matched with the contra-rotating outer side surface of the other adjacent chain link unit, the outer side surfaces of the left side plate or the right side plate on the same side of the adjacent chain links are flush.
According to the scheme, the first inner concave stroke groove and the second inner concave stroke groove are the maximum angles of the rotation of the connecting unit, and through reasonable design, if the first limiting block and the second limiting block are additionally arranged, the two parts of the rotation process are butted, so that better firmness is achieved, and the phenomenon that the connecting unit is rocked and loosens is prevented.
Preferably, the first inner concave stroke groove and the second inner concave stroke groove are of fan-shaped structures, the first inner concave stroke groove and the shaft hole are concentrically arranged, and the second inner concave stroke groove and the rotating shaft are also concentrically arranged.
According to the scheme, more stable operation can be realized.
Preferably, the front connecting panel, the rear connecting panel and the rear plane are processed by the same panel, and form a height difference, wherein the front connecting panel is flush with the end faces of the left side plate and the right side plate.
Preferably, the gap is 0.3 mm.
According to the scheme, large particle substances of 0.3mm can be blocked, and the service life is further prolonged.
Preferably, a buckling movable area is reserved on the left side plate or the right side plate, and a buckling fixing part is reserved on the right side plate or the left side plate on the corresponding side.
According to the scheme, firmness can be improved, and the support rods can be fastened at corresponding positions through the connecting support rods.
Preferably, a notch is formed in the contra-rotating outer side surface, the notch is provided with a movable cavity, the second limiting block is arranged in the movable cavity and is provided with a limiting and blocking outer contact block outside the notch, and a buffer space is formed between the second limiting block and the peripheral wall of the notch.
According to the scheme, when two adjacent chain link units move, the limiting and resisting outer contact block of the second limiting block is located in the first inner concave stroke groove and can resist against the side wall of the first inner concave stroke groove, and when the limiting and resisting outer contact block contacts with the side wall of the first inner concave stroke groove, the second limiting block can deform due to the fact that the second limiting block and the peripheral wall of the notch are formed with the buffer space, so that the sound generated by collision is reduced, and the noise reducing effect is started.
In conclusion, the closed surface structure is structurally designed, the protection grade is better, particles with the size of more than 0.3mm can be prevented by the novel closed surface of the product in normal operation work, and the problems that the drag chain is unstable in operation and short in service life due to the fact that the particles fall into the closed surface are 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, and 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 these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the novel closed link set of the present invention;
FIG. 2 is a schematic structural view of a link unit;
FIG. 3 is a top view of the link unit of FIG. 2;
FIGS. 4-6 are schematic views of the structure of the link assembly after bending movement;
FIG. 7 is a schematic plan view of a link set;
FIG. 8 is a cross-sectional view taken at A of FIG. 7;
FIG. 9 is an enlarged view of a portion of FIG. 8 at I;
FIG. 10 is a schematic view of a link set;
FIG. 11 is a side view of FIG. 10;
FIG. 12 is a cross-sectional view taken along line B-B of FIG. 11;
FIG. 13 is an enlarged view of a portion of FIG. 12;
fig. 14 is a schematic diagram of a noise design.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 14 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
As shown in fig. 1 to 13, the present invention discloses a novel closed type chain link set 100 applied to a drag chain, which comprises a plurality of chain link units, wherein each chain link unit is connected end to end in sequence, the number of the chain link units is different, and chain link sets with different lengths can be formed, and referring to fig. 4 to 6, the chain link sets with different lengths are formed;
the chain link units comprise side plates and supporting connecting panels, the side plates are divided into a left side plate 4 and a right side plate 5, the left side plate 4 and the right side plate 5 are arranged on two sides of the supporting connecting panels, when the adjacent chain link units are assembled, the adjacent two chain link units are movably connected, the supporting connecting panels are provided with a front connecting panel 6 and a rear connecting panel 3, the end surface of the rear connecting panel is processed into a rear plane 7 with a downward depression, the front connecting panel 6 is arranged at the front end of the rear connecting panel, the lower side of the front connecting panel is processed into an arc-shaped inner concave surface 61 to form an inner supply shape, the rear plane 7 is processed into a convex surface matched with the arc-shaped inner concave surface, and an inner concave arc-shaped area 8 is formed between the rear plane and the rear connecting panel;
when the front connecting panel 6 of one chain unit is connected with the adjacent chain unit, the front connecting panel is positioned on the back plane 7 of the other adjacent chain unit, and the front connecting panel and the back plane are formed with a closed surface with a gap of 0.1-0.5mm in detail as shown in fig. 9;
when the adjacent connected link units are in a planar state, see in detail fig. 8-9, the end of the front connecting panel lying on the rear plane is located within said concave arc zone 8. Fig. 9 is a plan view, in which the end 61 of the front connection panel 6 is located in the concave arc region 8 of the rear plane 7, and referring to fig. 12, the end 6-1 of the front connection panel 6 is located on the end surface of the curved rear plane 7 all the time, so that a large space is not generated between the two link units, and particles are prevented from falling into the concave arc region 8, which is very reasonable in design.
This scheme utilization is to supporting connection panel's rational design, specifically after the equipment, when being connected with adjacent chain link unit with chain link unit, the preceding connection panel of one of them chain link unit can be located the rear plane of adjacent another chain link unit, what both set to is the arc structure, when relative activity between chain link unit like this, the preceding connection panel of a chain link unit can move along the rear plane of another cooperation installed chain link unit, can not break away from the rear plane, in order to realize solving present large granule and splash the problem of easily blocking between the chain link, foretell closed surface is opened has the granule that prevents more than 0.5 mm. Preferably the gap is 0.3 mm. According to the scheme, large particle substances of 0.3mm can be blocked, and the service life is further prolonged.
The left side plate 4 and the right side plate 5 are both provided with a front butt joint end 41 and a rear butt joint end 42, the front butt joint end 41 is provided with a shaft hole 14, and the rear butt joint end is provided with a rotating shaft 8; when adjacent link units are assembled, the front abutment end 41 of one link unit and the rear abutment end 42 of the adjacent other link unit are engaged and rotatable.
Specifically, the left side plate is divided into a left front butt joint end and a left rear butt joint end in the horizontal direction, the left front butt joint end of the left side plate is provided with a left shaft hole, and the left rear butt joint end of the left side plate is provided with a left rotating shaft matched with the left shaft hole;
the right side plate is divided into a right front butt joint end and a right rear butt joint end in the horizontal direction, the right front butt joint end of the right side plate is provided with a right shaft hole, and the right rear butt joint end of the right side plate is provided with a right rotating shaft matched with the right shaft hole;
in order to ensure the reliability of operation, the two shaft holes of the front butt joint end are positioned on the same axis, and the two rotating shafts of the rear butt joint end are also positioned on the same axis. The rotation is smoother.
Preferably, a space a is formed between the front butt ends of the left side plate, and a space B is formed between the front butt end of the right side plate and the front connection panel;
spaces a and B serve as rotation regions of one of the link units when adjacent link units are assembled.
Its reasonable utilization space of this scheme, preceding butt joint end and back butt joint end are semi-circular structure, and it will operate needs certain space, and this scheme has designed preceding connection panel, through with curb plate between the headspace, ensure the operational reliability.
A contra-rotating inner side surface is formed on the inner side of the front butt joint end, a first concave stroke groove 12 and a first limiting block 13 are formed on the contra-rotating inner side surface, a contra-rotating outer side surface is formed on the outer side of the rear butt joint end, and a second concave stroke groove 10 and a second limiting block 11 are formed on the contra-rotating outer side surface;
when adjacent chain link units are assembled, the second limiting block is positioned in the first inner concave stroke groove and is resisted by the side wall of the first inner concave stroke groove through the assembly of the rotating shaft arranged at the rear butt joint end and the shaft hole at the front butt joint end, and the first limiting block is positioned in the second inner concave stroke groove and is resisted by the side wall of the second inner concave stroke groove;
after the contra-rotating inner side surface of one chain link unit is matched with the contra-rotating outer side surface of the other adjacent chain link unit, the outer side surfaces of the left side plate or the right side plate on the same side of the adjacent chain links are flush.
The first inner concave stroke groove 12 and the second inner concave stroke groove 10 are of fan-shaped structures, the first inner concave stroke groove and the shaft hole are concentrically arranged, and the second inner concave stroke groove and the rotating shaft are also concentrically arranged. In order to improve the strength, preferably, the front connection panel, the rear connection panel and the rear plane are processed by the same panel, and the front connection panel, the rear connection panel and the rear plane form a height difference, wherein the front connection panel is flush with the end surfaces of the left side plate and the right side plate.
The first indent stroke groove 12 of this scheme and second indent stroke groove 10 are the biggest angle of linkage unit pivoted, through reasonable design, if first stopper and the second stopper of addding, realize conflicting in rotation process two places to reach better fastness and prevent appearing rocking and not hard up, can realize more stable operation.
Preferably, a buckling active area 15 is reserved on the left side plate or the right side plate, and a buckling fixing portion 16 is reserved on the right side plate or the left side plate on the corresponding side. According to the scheme, firmness can be improved, and the support rods can be fastened at corresponding positions through the connecting support rods.
In detail, referring to fig. 14, in order to reduce noise, the scheme optimizes and improves the contact position between the link units: the contra-rotating outer side face is provided with a notch 17, the notch is provided with a movable cavity, the second limiting block 11 is arranged in the movable cavity and is provided with a limiting and blocking outer contact block 11-1 positioned outside the notch, a buffer space 18 is formed between the second limiting block and the peripheral wall of the notch, and the notch is preferably a through notch.
When two adjacent chain link units move about, two chain link units assemble the back, the spacing outer contact piece that keeps out of second stopper is located first indent stroke inslot to can keep out with first indent stroke groove 12 lateral wall, the position of contact is two upper and lower lateral walls in first indent stroke groove, when the contact, because second stopper and notch perisporium are formed with buffer space, the second stopper warp promptly, because pressure can remove along buffer space promptly, then reduce the sound that the collision produced, the effect of noise abatement has been started.
The technology of the invention is further explained, wherein the front connecting panel 6 of one chain link unit is positioned on the rear plane of the other chain link unit, the structure ensures that the front connecting panel 6 can always resist the entering of external particles because the end part 6-1 of the front connecting panel 6 is not separated from the end surface of the rear plane 8 in the moving process of the two chain link units, and the arc shape is arranged, thereby ensuring the reliable operation of the structure.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. Be applied to novel closed chain link group of tow chain, including a plurality of chain link units, every chain link unit head and the tail connect gradually, and the chain link unit includes curb plate and support connection panel, and the curb plate divide into left side board and right side board, and the both sides of supporting connection panel are located to left side board and right side board, and when adjacent chain link unit equipment, adjacent two chain link unit swing joint, its characterized in that: the supporting connection panel is provided with a front connection panel and a rear connection panel, the end face of the rear connection panel is processed into a rear plane with a lower recess, the front connection panel is arranged at the front end of the rear connection panel, the lower side of the front connection panel is processed into an arc-shaped inner concave surface to form an inner supply shape, the rear plane is processed into a convex surface matched with the arc-shaped inner concave surface, and an inner recess arc-shaped area is formed between the rear plane and the rear connection panel;
when the front connecting panel is connected with the adjacent chain link unit, the front connecting panel of one chain link unit is positioned on the rear plane of the other adjacent chain link unit, and the front connecting panel and the rear plane form a closed surface with a gap of 0.1-0.5 mm;
when the adjacent connected chain link units are in a plane state, the end part of the front connecting panel positioned on the rear plane is arranged in the concave arc area.
2. The new closed link group for drag chains according to claim 1, characterized in that:
the left side plate and the right side plate are respectively provided with a front butt joint end and a rear butt joint end, the front butt joint end is provided with a shaft hole, and the rear butt joint end is provided with a rotating shaft;
when adjacent link units are assembled, the front butt end of one link unit and the rear butt end of another adjacent link unit are matched and can rotate.
3. The new closed link group for drag chains according to claim 2, characterized in that: the two shaft holes of the front butt joint end are positioned on the same axis, and the two rotating shafts of the rear butt joint end are also positioned on the same axis.
4. The new closed link group for drag chains according to claim 3, characterized in that: a space A is formed between the front butt-joint ends of the left side plate, a space B is formed between the front butt-joint end of the right side plate and the front connecting panel,
spaces a and B serve as rotation regions of one of the link units when adjacent link units are assembled.
5. The new closed link group for drag chains according to claim 2, characterized in that: a contra-rotating inner side surface is formed on the inner side of the front butt joint end, a first inward concave stroke groove and a first limiting block are formed on the contra-rotating inner side surface, a contra-rotating outer side surface is formed on the outer side of the rear butt joint end, and a second inward concave stroke groove and a second limiting block are formed on the contra-rotating outer side surface;
when adjacent chain link units are assembled, the second limiting block is positioned in the first inner concave stroke groove and is resisted by the side wall of the first inner concave stroke groove through the assembly of the rotating shaft arranged at the rear butt joint end and the shaft hole at the front butt joint end, and the first limiting block is positioned in the second inner concave stroke groove and is resisted by the side wall of the second inner concave stroke groove;
after the contra-rotating inner side surface of one chain link unit is matched with the contra-rotating outer side surface of the other adjacent chain link unit, the outer side surfaces of the left side plate or the right side plate on the same side of the adjacent chain links are flush.
6. The new closed link group for drag chains according to claim 5, characterized in that: the first inner concave stroke groove and the second inner concave stroke groove are of fan-shaped structures, the first inner concave stroke groove and the shaft hole are concentrically arranged, and the second inner concave stroke groove and the rotating shaft are also concentrically arranged.
7. The new closed link group for drag chains according to claim 1, characterized in that: the front connecting panel, the rear connecting panel and the rear plane are processed by the same panel and form a height difference, wherein the front connecting panel is flush with the end faces of the left side plate and the right side plate.
8. The new closed link group for drag chains according to claim 1 or 7, characterized in that: the gap is 0.3 mm.
9. The new closed link group for drag chains according to claim 1, characterized in that: the left side plate or the right side plate is reserved with a buckling movable area, and the right side plate or the left side plate on the corresponding side is reserved with a buckling fixed part.
10. The new closed link group for drag chains according to claim 5, characterized in that: the contra-rotating outer side face is provided with a notch, the notch is provided with a movable cavity, the second limiting block is arranged in the movable cavity and is provided with a limiting and resisting outer contact block outside the notch, and a buffer space is formed between the second limiting block and the peripheral wall of the notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751713.1A CN113371527A (en) | 2021-07-03 | 2021-07-03 | Novel closed chain link group applied to drag chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751713.1A CN113371527A (en) | 2021-07-03 | 2021-07-03 | Novel closed chain link group applied to drag chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113371527A true CN113371527A (en) | 2021-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110751713.1A Pending CN113371527A (en) | 2021-07-03 | 2021-07-03 | Novel closed chain link group applied to drag chain |
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| CN (1) | CN113371527A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962551A (en) * | 2022-05-30 | 2022-08-30 | 浙江永驰科技有限公司 | Anti-disengagement drag chain link group with long service life |
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| CN215797559U (en) * | 2021-07-03 | 2022-02-11 | 浙江永驰科技有限公司 | Novel closed chain link group applied to drag chain |
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2021
- 2021-07-03 CN CN202110751713.1A patent/CN113371527A/en active Pending
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| US5771676A (en) * | 1995-10-27 | 1998-06-30 | Tsubakimoto Chain Co. | Pivot angle limiting stopper striking noise suppressing device of cable drag chain |
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| CN205841625U (en) * | 2016-06-20 | 2016-12-28 | 沈静 | A kind of drag chain |
| CN106151379A (en) * | 2016-08-19 | 2016-11-23 | 江苏科瑞斯机件有限公司 | A kind of noise abatement drag chain |
| CN211501487U (en) * | 2020-01-13 | 2020-09-15 | 浙江金福隆机床附件有限公司 | Closed drag chain convenient to outside is opened |
| CN215797559U (en) * | 2021-07-03 | 2022-02-11 | 浙江永驰科技有限公司 | Novel closed chain link group applied to drag chain |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962551A (en) * | 2022-05-30 | 2022-08-30 | 浙江永驰科技有限公司 | Anti-disengagement drag chain link group with long service life |
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