CN103423377A - Easy-to-assemble drag chain with high anti-twisting strength and preparation method thereof - Google Patents
Easy-to-assemble drag chain with high anti-twisting strength and preparation method thereof Download PDFInfo
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- CN103423377A CN103423377A CN2013103571791A CN201310357179A CN103423377A CN 103423377 A CN103423377 A CN 103423377A CN 2013103571791 A CN2013103571791 A CN 2013103571791A CN 201310357179 A CN201310357179 A CN 201310357179A CN 103423377 A CN103423377 A CN 103423377A
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Abstract
The invention relates to a drag chain, in particular to an easy-to-assemble drag chain with high anti-twisting strength and a preparation method thereof. The drag chain consists of a chain links which are distributed continuously in sequence, wherein each chain link comprises a pair of symmetrically distributed chain plates; the chain plates are positioned through a supporting plate; the head of each chain plate is provided with a head connecting end; the tail part of each chain plate is provided with a tail connecting end; the head connecting end is provided with a positioning boss; the tail connecting end is provided with a positioning hole; the head connecting end of one chain link is fixedly matched with the tail connecting end of another chain link; the positioning boss and the positioning hole are fixed through a positioning pin; each chain plate consists of a single piece of chain plate; a cable through hole is formed in the supporting plate. The preparation method comprises the following steps: blanking and forming, forming and heating, cooling, deburring, machining the positioning boss and the positioning hole, and electroplating. The easy-to-assemble drag chain with high anti-twisting strength and the preparation method thereof have the advantages of compact structure and capabilities of improving the aerial property, increasing the bearing capacity and enhancing the anti-twisting strength.
Description
Technical field
The present invention relates to a kind of drag chain, relate in particular to drag chain that the anti-twist intensity of a kind of easy assembling is high and preparation method thereof.
Background technique
Carrier bar in drag chain of the prior art is all to be formed by 2 monolithic spot welding, and while causing assembling, operation is loaded down with trivial details, and manufacture cost is high.
Chinese patent 200880112506.4, a kind of cable drag chain is disclosed, a plurality of frameworks are connected to each other and form rotationally, dispose the rectangular things such as cable in the guide portion surrounded by each framework, it is characterized in that possessing: the rotational angle limting mechanism of the rotational angle of restriction framework, and the arrestment mechanism that the rotation of framework is applied braking before the boundary of rotational angle, described rotational angle limting mechanism consists of the brake piece formed on each framework and break receiver member, by the framework that links each other in the butt of break receiver member of the brake piece of a framework and another framework limit the rotational angle between framework, the elastic protrusion that described arrestment mechanism is formed by distolateral and the framework in each framework and forming in another distolateral receiving portion formed with framework of each framework, while making the framework rotation of link, the elastic protrusion of a framework contacts with the receiving portion of another framework, thereby the elasticity by elastic protrusion applies braking to relatively rotating of two frameworks.This structure relative complex, processing charges is high simultaneously, the assembling trouble.
Summary of the invention
The present invention solves the deficiencies in the prior art; a kind of compact structure is provided; and can farthest protect electric wire, cable and the relevant pipe safety in drag chain, increase drag chain that the anti-twist intensity of a kind of easy assembling of anti-twist intensity is high and preparation method thereof simultaneously.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
The high drag chain of the anti-twist intensity of a kind of easy assembling, by the chain link of continuous distributed successively, formed, described chain link comprises a pair of carrier bar be symmetric, between carrier bar, by dunnage, locate mutually, described carrier bar head is provided with mutually integrated head connecting end with it, the afterbody of described carrier bar is provided with mutually integrated afterbody connecting end with it, described head connecting end is provided with positioning boss, described afterbody connecting end is provided with the positioning hole that is complementary and distributes with positioning boss, the head connecting end of chain link and the afterbody connecting end of another chain link are complementary fixing, between described positioning boss and positioning hole, by locating stud, fix, described carrier bar is comprised of single link plate, be provided with the cable perforation in described dunnage.
As preferably, boss and front boss in the middle of described positioning boss comprises, described in the middle of the both sides of boss be respectively equipped with front boss, described in the middle of the diameter of boss be greater than the diameter of front boss, described in the middle of boss and two linearly distributions of front boss;
Described positioning hole comprises center positioning hole and spacing hole, and the both sides of described center positioning hole are respectively equipped with spacing hole, and described spacing hole is circular-arc, and the two ends in described spacing hole are respectively circular-arc distribution;
In the middle of described, boss is inserted in center positioning hole, and described center positioning hole and middle boss fix by locating stud, and described locating stud is by the clamping of axle card phase;
Described front boss and spacing hole socket-connect, and described front boss carries out the activity displacement in spacing hole.
As preferably, be provided with the fitting recess of evagination shape in described head connecting end, described positioning boss is located at the centre bit of fitting recess, the outward edge of described fitting recess is provided with the gear flange that the outward edge with the afterbody connecting end is complementary, described head connecting end and afterbody connecting end are respectively ellipticity, and the top and bottom of described head connecting end outer side wall are respectively equipped with the arcuation rib.
As preferably, between described dunnage and carrier bar, by single bolt group, fix, the upper end of described dunnage extends to the inwall of carrier bar upper end, the lower end of described dunnage extends to the inwall of carrier bar lower end, described cable perforation comprises intermediate hole and side opening, the both sides of described intermediate hole are respectively equipped with side opening, and the diameter of described intermediate hole is greater than the diameter of side opening; The top of described dunnage is respectively equipped with and the mutually integrated flange of carrier bar with below.
The preparation method of the drag chain that the anti-twist intensity of a kind of easy assembling is high, carry out according to the following steps:
(1), blanking moulding:
At first by drag chain, required steel plate carries out blanking with laser beam cutting machine, the power of laser machine is 2500W, laser head is of a size of 0.5 inch, the focal length of lens is 5.00, and the width of slit of laser machine is 0.15 millimeter, and the orifice size of laser machine is 0.8 millimeter, the cutting speed of laser machine is 5000mm/min, each separate room clipping time is 1 minute, selects oxygen cut, and the workpiece of lower honest material is placed on and turns on the order dolly;
(2), moulding and heating:
The workpiece that will turn on the order dolly installs on the mould in press machine, and the pressure of press machine is 150000 kilograms, and the time of press machine moulding is 1～3 minute, stand-by after taking out, two carrier bars and dunnage are welded, with the 5000W spot welding machine, welded, two middle temperature that produce by the immediate current short circuit of carrier bar are 4000 degree～4500 degree, the time of melting is 20 seconds, during thawing, relative pressure is 10MPa, become a chain link after dividing four points of connection to weld simultaneously, cooling 30 minutes of chain link, deliver to again and carry out high frequency hardening, high frequency hardening to hardness requirement is HRC48, temperature during quenching is 860～900 ℃, carry out temper after quenching, hardness requirement during temper is HRC45, adopting the temperature of medium-temperature tempering is 350～370 ℃, make workpiece surface hardness reach HRC42～47,
(3), cooling:
Carry out nature after insulation finishes cooling, the naturally cooling time is 1～2 hour, when room temperature, is two hours during higher than 25 degrees centigrade, and all the other are one hour;
(4), deburring:
Product is put into chamfering machine and is removed unnecessary burr, makes the smooth surface of product;
(5), processing positioning boss and positioning hole:
Process positioning boss and positioning hole on product with machining center; The construction allowance control is below 0.02～0.03 millimeter;
(6), electroplate:
By plating make into surface-brightening attractive in appearance;
The electroplating technology flow process is as follows:
Electrochemical deoiling → Hot Wash → washing → electrolytic degreasing → Hot Wash → washing → deep-etching → washing → electroplating zinc-iron alloy → washing → washing → bright dipping → passivation → washing → drying.
Therefore, drag chain that the anti-twist intensity of a kind of easy assembling of the present invention is high and preparation method thereof, compact structure, promote built on stilts performance, increases bearing capacity, strengthens anti-twist intensity.
The accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technological scheme of the present invention is described in further detail.
Embodiment 1: as shown in Figure 1, the high drag chain of the anti-twist intensity of a kind of easy assembling, by the chain link 1 of continuous distributed successively, formed, described chain link 1 comprises a pair of carrier bar be symmetric 2, 2 of carrier bars are located mutually by dunnage 3, described carrier bar 2 heads are provided with mutually integrated head connecting end 4 with it, the afterbody of described carrier bar 2 is provided with mutually integrated afterbody connecting end 5 with it, described head connecting end 4 is provided with positioning boss 6, described afterbody connecting end 5 is provided with the positioning hole 7 that is complementary and distributes with positioning boss 6, the head connecting end 4 of chain link 1 is complementary fixing with the afterbody connecting end 5 of another chain link 1, 7 of described positioning boss 6 and positioning holes fix by locating stud 8, described carrier bar 2 is comprised of single link plate, be provided with cable perforation 9 in described dunnage 3.Boss 10 and front boss 11 in the middle of described positioning boss 6 comprises, in the middle of described, the both sides of boss 10 are respectively equipped with front boss 11, in the middle of described, the diameter of boss 10 is greater than the diameter of front boss 11, described middle boss 10 and two linearly distributions of front boss 11;
Described positioning hole 7 comprises center positioning hole 12 and spacing hole 13, and the both sides of described center positioning hole 12 are respectively equipped with spacing hole 13, and described spacing hole 13 is circular-arc, and the two ends in described spacing hole 13 are respectively circular-arc distribution;
In the middle of described, boss 10 is inserted in center positioning hole 12, and described center positioning hole 12 fixes by locating stud 8 with middle boss 10, and described locating stud 8 is by the 14 phase clampings of axle card;
Described front boss 11 socket-connects with spacing hole 13, and described front boss 11 carries out the activity displacement in spacing hole 13.
Be provided with the fitting recess 15 of evagination shape in described head connecting end 4, described positioning boss 6 is located at the centre bit of fitting recess 15, the outward edge of described fitting recess 15 is provided with the gear flange 16 that the outward edge with afterbody connecting end 5 is complementary, described head connecting end 4 is respectively ellipticity with afterbody connecting end 5, and the top and bottom of described head connecting end 4 outer side walls are respectively equipped with arcuation rib 17.
2 of described dunnage 3 and carrier bars fix by single bolt group 18, the upper end of described dunnage 3 extends to the inwall of carrier bar 2 upper ends, the lower end of described dunnage 3 extends to the inwall of carrier bar 2 lower ends, described cable perforation 9 comprises intermediate hole 19 and side opening 20, the both sides of described intermediate hole 19 are respectively equipped with side opening 20, and the diameter of described intermediate hole 19 is greater than the diameter of side opening 20; The top of described dunnage 3 is respectively equipped with and the mutually integrated flange 21 of carrier bar 2 with below.
The preparation method of the drag chain that the anti-twist intensity of a kind of easy assembling is high, carry out according to the following steps:
(1), blanking moulding:
At first by drag chain, required steel plate carries out blanking with laser beam cutting machine, the power of laser machine is 2500W, laser head is of a size of 0.5 inch, the focal length of lens is 5.00, and the width of slit of laser machine is 0.15 millimeter, and the orifice size of laser machine is 0.8 millimeter, the cutting speed of laser machine is 5000mm/min, each separate room clipping time is 1 minute, selects oxygen cut, and the workpiece of lower honest material is placed on and turns on the order dolly;
(2), moulding and heating:
The workpiece that will turn on the order dolly installs on the mould in press machine, and the pressure of press machine is 150000 kilograms, and the time of press machine moulding is 1 minute, stand-by after taking out, two carrier bars and dunnage are welded, with the 5000W spot welding machine, welded, two middle temperature that produce by the immediate current short circuit of carrier bar are 4000 degree, the time of melting is 20 seconds, during thawing, relative pressure is 10MPa, become a chain link after dividing four points of connection to weld simultaneously, cooling 30 minutes of chain link, deliver to again and carry out high frequency hardening, high frequency hardening to hardness requirement is HRC48, temperature during quenching is 860 ℃, carry out temper after quenching, hardness requirement during temper is HRC45, adopting the temperature of medium-temperature tempering is 350 ℃, make workpiece surface hardness reach HRC42,
(3), cooling:
Carry out nature after insulation finishes cooling, the naturally cooling time is 1 hour, when room temperature, is two hours during higher than 25 degrees centigrade, and all the other are one hour;
(4), deburring:
Product is put into chamfering machine and is removed unnecessary burr, makes the smooth surface of product;
(5), processing positioning boss and positioning hole:
Process positioning boss and positioning hole on product with machining center; The construction allowance control is below 0.02 millimeter;
(6), electroplate:
By plating make into surface-brightening attractive in appearance;
The electroplating technology flow process is as follows:
Electrochemical deoiling → Hot Wash → washing → electrolytic degreasing → Hot Wash → washing → deep-etching → washing → electroplating zinc-iron alloy → washing → washing → bright dipping → passivation → washing → drying.
Embodiment 2: the preparation method of the drag chain that the anti-twist intensity of a kind of easy assembling is high, carry out according to the following steps:
(1), blanking moulding:
At first by drag chain, required steel plate carries out blanking with laser beam cutting machine, the power of laser machine is 2500W, laser head is of a size of 0.5 inch, the focal length of lens is 5.00, and the width of slit of laser machine is 0.15 millimeter, and the orifice size of laser machine is 0.8 millimeter, the cutting speed of laser machine is 5000mm/min, each separate room clipping time is 1 minute, selects oxygen cut, and the workpiece of lower honest material is placed on and turns on the order dolly;
(2), moulding and heating:
The workpiece that will turn on the order dolly installs on the mould in press machine, and the pressure of press machine is 150000 kilograms, and the time of press machine moulding is 2 minutes, stand-by after taking out, two carrier bars and dunnage are welded, with the 5000W spot welding machine, welded, two middle temperature that produce by the immediate current short circuit of carrier bar are 4200 degree, the time of melting is 20 seconds, during thawing, relative pressure is 10MPa, become a chain link after dividing four points of connection to weld simultaneously, cooling 30 minutes of chain link, deliver to again and carry out high frequency hardening, high frequency hardening to hardness requirement is HRC48, temperature during quenching is 880 ℃, carry out temper after quenching, hardness requirement during temper is HRC45, adopting the temperature of medium-temperature tempering is 360 ℃, make workpiece surface hardness reach HRC45,
(3), cooling:
Carry out nature after insulation finishes cooling, the naturally cooling time is 1.5 hours, when room temperature, is two hours during higher than 25 degrees centigrade, and all the other are one hour;
(4), deburring:
Product is put into chamfering machine and is removed unnecessary burr, makes the smooth surface of product;
(5), processing positioning boss and positioning hole:
Process positioning boss and positioning hole on product with machining center; The construction allowance control is below 0.025 millimeter;
(6), electroplate:
By plating make into surface-brightening attractive in appearance;
The electroplating technology flow process is as follows:
Electrochemical deoiling → Hot Wash → washing → electrolytic degreasing → Hot Wash → washing → deep-etching → washing → electroplating zinc-iron alloy → washing → washing → bright dipping → passivation → washing → drying.
Embodiment 3: the preparation method of the drag chain that the anti-twist intensity of a kind of easy assembling is high, carry out according to the following steps:
(1), blanking moulding:
At first by drag chain, required steel plate carries out blanking with laser beam cutting machine, the power of laser machine is 2500W, laser head is of a size of 0.5 inch, the focal length of lens is 5.00, and the width of slit of laser machine is 0.15 millimeter, and the orifice size of laser machine is 0.8 millimeter, the cutting speed of laser machine is 5000mm/min, each separate room clipping time is 1 minute, selects oxygen cut, and the workpiece of lower honest material is placed on and turns on the order dolly;
(2), moulding and heating:
The workpiece that will turn on the order dolly installs on the mould in press machine, and the pressure of press machine is 150000 kilograms, and the time of press machine moulding is 3 minutes, stand-by after taking out, two carrier bars and dunnage are welded, with the 5000W spot welding machine, welded, two middle temperature that produce by the immediate current short circuit of carrier bar are 4500 degree, the time of melting is 20 seconds, during thawing, relative pressure is 10MPa, become a chain link after dividing four points of connection to weld simultaneously, cooling 30 minutes of chain link, deliver to again and carry out high frequency hardening, high frequency hardening to hardness requirement is HRC48, temperature during quenching is 900 ℃, carry out temper after quenching, hardness requirement during temper is HRC45, adopting the temperature of medium-temperature tempering is 370 ℃, make workpiece surface hardness reach HRC47,
(3), cooling:
Carry out nature after insulation finishes cooling, the naturally cooling time is 2 hours, when room temperature, is two hours during higher than 25 degrees centigrade, and all the other are one hour;
(4), deburring:
Product is put into chamfering machine and is removed unnecessary burr, makes the smooth surface of product;
(5), processing positioning boss and positioning hole:
Process positioning boss and positioning hole on product with machining center; The construction allowance control is below 0.03 millimeter;
(6), electroplate:
By plating make into surface-brightening attractive in appearance;
The electroplating technology flow process is as follows:
Electrochemical deoiling → Hot Wash → washing → electrolytic degreasing → Hot Wash → washing → deep-etching → washing → electroplating zinc-iron alloy → washing → washing → bright dipping → passivation → washing → drying.
Claims (5)
1. one kind is easily assembled the high drag chain of anti-twist intensity, it is characterized in that: by the chain link of continuous distributed (1) successively, formed, described chain link (1) comprises a pair of carrier bar be symmetric (2), between carrier bar (2), by dunnage (3), locate mutually, described carrier bar (2) head is provided with mutually integrated head connecting end (4) with it, the afterbody of described carrier bar (2) is provided with mutually integrated afterbody connecting end (5) with it, described head connecting end (4) is provided with positioning boss (6), described afterbody connecting end (5) is provided with the positioning hole (7) that is complementary and distributes with positioning boss (6), the head connecting end (4) of chain link (1) is complementary fixing with the afterbody connecting end (5) of another chain link (1), between described positioning boss (6) and positioning hole (7), by locating stud (8), fix, described carrier bar (2) is comprised of single link plate, be provided with cable perforation (9) in described dunnage (3).
2. the high drag chain of the anti-twist intensity of a kind of easy assembling according to claim 1, it is characterized in that: boss (10) and front boss (11) in the middle of described positioning boss (6) comprises, in the middle of described, the both sides of boss (10) are respectively equipped with front boss (11), in the middle of described, the diameter of boss (10) is greater than the diameter of front boss (11), described middle boss (10) and the linearly distribution of two front boss (11);
Described positioning hole (7) comprises center positioning hole (12) and spacing hole (13), the both sides of described center positioning hole (12) are respectively equipped with spacing hole (13), described spacing hole (13) is circular-arc,, the two ends in described spacing hole (13) are respectively circular-arc distribution;
In the middle of described, boss (10) is inserted in center positioning hole (12), described center positioning hole (12) fixes by locating stud (8) with middle boss (10), and described locating stud (8) is by axle card (14) phase clamping;
Described front boss (11) socket-connects with spacing hole (13), and described front boss (11) carries out the activity displacement in spacing hole (13).
3. the high drag chain of the anti-twist intensity of a kind of easy assembling according to claim 1 and 2, it is characterized in that: the fitting recess (15) that is provided with the evagination shape in described head connecting end (4), described positioning boss (6) is located at the centre bit of fitting recess (15), the outward edge of described fitting recess (15) is provided with the gear flange (16) that the outward edge with afterbody connecting end (5) is complementary, described head connecting end (4) is respectively ellipticity with afterbody connecting end (5), and the top and bottom of described head connecting end (4) outer side wall are respectively equipped with arcuation rib (17).
4. the high drag chain of the anti-twist intensity of a kind of easy assembling according to claim 1 and 2, it is characterized in that: between described dunnage (3) and carrier bar (2), by single bolt group (18), fix, the upper end of described dunnage (3) extends to the inwall of carrier bar (2) upper end, the lower end of described dunnage (3) extends to the inwall of carrier bar (2) lower end, described cable perforation (9) comprises intermediate hole (19) and side opening (20), the both sides of described intermediate hole (19) are respectively equipped with side opening (20), the diameter of described intermediate hole (19) is greater than the diameter of side opening (20), the top of described dunnage (3) is respectively equipped with and the mutually integrated flange of carrier bar (2) (21) with below.
5. the preparation method of the drag chain that the anti-twist intensity of a kind of easy assembling according to claim 1 is high is characterized in that carrying out according to the following steps:
(1), blanking moulding:
At first by drag chain, required steel plate carries out blanking with laser beam cutting machine, the power of laser machine is 2500W, laser head is of a size of 0.5 inch, the focal length of lens is 5.00, and the width of slit of laser machine is 0.15 millimeter, and the orifice size of laser machine is 0.8 millimeter, the cutting speed of laser machine is 5000mm/min, each separate room clipping time is 1 minute, selects oxygen cut, and the workpiece of lower honest material is placed on and turns on the order dolly;
(2), moulding and heating:
The workpiece that will turn on the order dolly installs on the mould in press machine, and the pressure of press machine is 150000 kilograms, and the time of press machine moulding is 1～3 minute, stand-by after taking out, two carrier bars and dunnage are welded, with the 5000W spot welding machine, welded, two middle temperature that produce by the immediate current short circuit of carrier bar are 4000 degree～4500 degree, the time of melting is 20 seconds, during thawing, relative pressure is 10MPa, become a chain link after dividing four points of connection to weld simultaneously, cooling 30 minutes of chain link, deliver to again and carry out high frequency hardening, high frequency hardening to hardness requirement is HRC48, temperature during quenching is 860～900 ℃, carry out temper after quenching, hardness requirement during temper is HRC45, adopting the temperature of medium-temperature tempering is 350～370 ℃, make workpiece surface hardness reach HRC42～47,
(3), cooling:
Carry out nature after insulation finishes cooling, the naturally cooling time is 1～2 hour, when room temperature, is two hours during higher than 25 degrees centigrade, and all the other are one hour;
(4), deburring:
Product is put into chamfering machine and is removed unnecessary burr, makes the smooth surface of product;
(5), processing positioning boss and positioning hole:
Process positioning boss and positioning hole on product with machining center; The construction allowance control is below 0.02～0.03 millimeter;
(6), electroplate:
By plating make into surface-brightening attractive in appearance;
The electroplating technology flow process is as follows:
Electrochemical deoiling → Hot Wash → washing → electrolytic degreasing → Hot Wash → washing → deep-etching → washing → electroplating zinc-iron alloy → washing → washing → bright dipping → passivation → washing → drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310357179.1A CN103423377B (en) | 2013-08-16 | 2013-08-16 | Drag chain that a kind of easy assembling anti-buckling strength is high and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310357179.1A CN103423377B (en) | 2013-08-16 | 2013-08-16 | Drag chain that a kind of easy assembling anti-buckling strength is high and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN103423377A true CN103423377A (en) | 2013-12-04 |
| CN103423377B CN103423377B (en) | 2015-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310357179.1A Active CN103423377B (en) | 2013-08-16 | 2013-08-16 | Drag chain that a kind of easy assembling anti-buckling strength is high and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692052A (en) * | 2013-12-27 | 2014-04-02 | 新余钢铁集团有限公司 | Improved drag chain device of flame cutting trolley |
| CN109532781A (en) * | 2018-12-17 | 2019-03-29 | 青岛金鼎鑫宝专用车辆有限公司 | A kind of engineering truck supporting leg built-in type stretchable hydraulic oil pipe |
| CN112400032A (en) * | 2018-07-27 | 2021-02-23 | 罗伯特·博世有限公司 | Base material composition, method for manufacturing a transverse member for a drive belt from the base material and drive belt comprising a transverse member manufactured thereby |
| CN113653852A (en) * | 2021-08-25 | 2021-11-16 | 江苏科大智慧海工装备有限公司 | Special high-strength towline system for ocean platform |
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| US4625507A (en) * | 1984-02-28 | 1986-12-02 | Kabelschlepp Gesellschaft Mit Beschrankter Haftung | Guide chain |
| US4658577A (en) * | 1983-09-16 | 1987-04-21 | A&A Manufacturing Co., Inc. | Self-supporting cable carrier |
| CN201475252U (en) * | 2009-06-30 | 2010-05-19 | 范骏行 | Slender guide supporting chain |
| CN203421118U (en) * | 2013-08-16 | 2014-02-05 | 杭州萧山佳吉机械配件厂 | Drag chain easy to assemble and high in torsion resistance |
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| US3716986A (en) * | 1970-10-21 | 1973-02-20 | Gemco Electric Co | Rolling conductor support |
| US4104871A (en) * | 1976-05-18 | 1978-08-08 | Kabelschlepp Gesellschaft Mit Beschrankter Haftung | Energy conducting chain |
| US4658577A (en) * | 1983-09-16 | 1987-04-21 | A&A Manufacturing Co., Inc. | Self-supporting cable carrier |
| US4625507A (en) * | 1984-02-28 | 1986-12-02 | Kabelschlepp Gesellschaft Mit Beschrankter Haftung | Guide chain |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692052A (en) * | 2013-12-27 | 2014-04-02 | 新余钢铁集团有限公司 | Improved drag chain device of flame cutting trolley |
| CN112400032A (en) * | 2018-07-27 | 2021-02-23 | 罗伯特·博世有限公司 | Base material composition, method for manufacturing a transverse member for a drive belt from the base material and drive belt comprising a transverse member manufactured thereby |
| CN109532781A (en) * | 2018-12-17 | 2019-03-29 | 青岛金鼎鑫宝专用车辆有限公司 | A kind of engineering truck supporting leg built-in type stretchable hydraulic oil pipe |
| CN109532781B (en) * | 2018-12-17 | 2024-04-26 | 青岛金鼎鑫宝专用车辆有限公司 | Built-in telescopic hydraulic oil pipe for engineering vehicle landing leg |
| CN113653852A (en) * | 2021-08-25 | 2021-11-16 | 江苏科大智慧海工装备有限公司 | Special high-strength towline system for ocean platform |
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| Publication number | Publication date |
|---|---|
| CN103423377B (en) | 2015-08-26 |
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