CN103303847B - A kind of large-scale workpiece that is welded hangs the equipment of liter - Google Patents
A kind of large-scale workpiece that is welded hangs the equipment of liter Download PDFInfo
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- CN103303847B CN103303847B CN201310262188.2A CN201310262188A CN103303847B CN 103303847 B CN103303847 B CN 103303847B CN 201310262188 A CN201310262188 A CN 201310262188A CN 103303847 B CN103303847 B CN 103303847B
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Abstract
A kind of large-scale workpiece that is welded hangs the equipment of liter, for realizing the large-scale safe transport of workpiece between different station that be welded.It comprises fixed frame, driver train, actuating unit, mechanical locking mechanism, guiding mechanism and position monitoring mechanism, described fixed frame is arranged on the transport trolley track both sides of welding line, the dowel hole mated with executive mechanism element is provided with at fixed frame top, described driver train, mechanical locking mechanism are installed on fixed frame, they mate with actuating unit, described actuating unit and guiding mechanism are equipped with, and described guiding mechanism, position monitoring mechanism are all fixed on level ground.The present invention has that lifting weight is large, accurate positioning, feature that stationarity is good, not only reach and the object risen hung to the large-scale workpiece that is welded, and ensure that the safety of periphery operating personnel and equipment.
Description
Technical field
The present invention relates to one and hang the equipment of liter, especially a kind of be applicable to the large-scale workpiece that is welded hang the equipment of liter, belong to lifting means technical field.
Background technology
Handling accessory (hereinafter referred to as suspender) has flexibly exquisite, convenient to operation, the feature that work efficiency is high, it can meet workpiece level, freely the carrying of vertical direction, significantly reduce again the labour intensity of operating personnel, therefore, in car body welding producing line, what the carrying for the relatively large workpiece that is welded adopted special suspender to coordinate with electric block or air hoist usually hangs the equipment of liter.
Due to the existing limited mass hanging the equipment of liter and can sling, be difficult to whole automobile body-in-white to be sling safely; And the existing equipment of liter that hangs generally adopts common steel tube as guiding, can not realize accurate location; Simultaneously the chain of electric block can produce and rock in lifting process, makes to hang the equipment of liter and bears fluctuating load, and therefore to hanging, to rise equipment requirement of strength higher, also constitutes a threat to the safety of periphery operating personnel; In addition existing hang the equipment of liter promote put in place after only rely on the motor locking system locking of hoist ceiling crane, once electric block breaks down, suspender comes off and to damage to the operating personnel below suspender and peripheral equipment.
Application number be 201120306373.3 Chinese patent disclose a kind of hanging device, it comprises a suspension bracket, and the two ends of described suspension bracket are respectively arranged with davit, and the lower end of described davit is provided with rotary suspension arm device; Described rotary suspension arm device comprises the first drive link, and the two ends of described first drive link respectively axle are connected with hoisting bracket, and described hoisting bracket is rotatably provided in the rotating shaft of the end of described davit; Described first drive link axle is connected with the second drive link, and described second drive link is connected with the power input device driving described second drive link motion, makes described hoisting bracket under described second drive link and the first drive link drive around described axis of rotation.Although this art solutions self adjusts the rotation of hoisting bracket by rotary suspension arm device, realize lifting vehicle body, reduce taking up room of hanging device; But it can not solve the accurate location of workpiece and the safe operation problem of equipment.
Summary of the invention
The object of the invention is to the drawback for prior art, provide that a kind of lifting weight is large, accurate positioning, stationarity be good, can ensure that the large-scale workpiece that is welded of periphery operating personnel and device security hangs the equipment of liter.
Problem of the present invention realizes with following technical proposals:
A kind of large-scale workpiece that is welded hangs the equipment of liter, it comprises fixed frame, driver train, actuating unit, mechanical locking mechanism, guiding mechanism and position monitoring mechanism, described fixed frame is arranged on the transport trolley track both sides of welding line, the dowel hole mated with executive mechanism element is provided with at fixed frame top, described driver train, mechanical locking mechanism are installed on fixed frame, they mate with actuating unit, described actuating unit and guiding mechanism are equipped with, and described guiding mechanism, position monitoring mechanism are all fixed on level ground.
The above-mentioned large-scale workpiece that is welded hangs the equipment of liter, described driver train comprises electric-motor drive unit, universal coupling, large belt wheel, belt, wheel flutter and belt tensioning unit, described electric-motor drive unit is arranged on the top of fixed frame, large belt wheel is installed at the two ends of described universal coupling respectively, described large belt wheel is fixed winding two belts, be fixed on after the described belt other end walks around wheel flutter and executive mechanism element on corresponding belt tensioning unit.
The above-mentioned large-scale workpiece that is welded hangs the equipment of liter, four parts that the belt tensioning unit of described driver train is arranged by front, rear, left and right form, wherein every part includes adapter plate, backstand, cushion block, threaded fastener assembly and adjustment plate, described adapter plate is arranged on fixed frame, described backstand is assembled by adjustment hole and adapter plate, the screw rod of described threaded fastener assembly is fixed on backstand, it assembles with clamp nut through after adjustment plate, is assembled after cushion block walked around by described belt by belt connecting panel and backstand.
The above-mentioned large-scale workpiece that is welded hangs the equipment of liter, described actuating unit comprises small pulley, locating dowel pin, lock ring, Workpiece fixing seat and lifting framework, small pulley is installed at described lifting frame roof corner location place, described small pulley mates with the belt of driver train, lifting framework arranges locating dowel pin, the dowel hole that described locating dowel pin is arranged with fixed frame top mates, at the top of lifting framework, also lock ring is set, described lock ring mates with mechanical locking mechanism element, Workpiece fixing seat is also provided with in the bottom of lifting framework, described Workpiece fixing seat rises work piece match with hanging.
The above-mentioned large-scale workpiece that is welded hangs the equipment of liter, described mechanical locking mechanism comprises permanent seat, cylinder, left side latch hook, right side latch hook, limiting stopper and two lateral connector bars, described permanent seat is arranged on fixed frame, permanent seat is installed cylinder and limiting stopper, described left side latch hook, right side latch hook are by hinge together, they are take bearing pin as the lever construction of fulcrum, and its master arm is hinged by the piston rod of two lateral connector bars and cylinder.
The above-mentioned large-scale workpiece that is welded hangs the equipment of liter, four parts that described guiding mechanism is arranged by front, rear, left and right form, wherein every part includes guidepost, orienting sleeve and guidepost permanent seat, described guidepost is fixed on guidepost permanent seat, described guiding column base is fixed on level ground, described orienting sleeve is fixed on fixed frame, and it and guidepost are equipped with, and guidepost is also provided with pin hole.
The above-mentioned large-scale workpiece that is welded hangs the equipment of liter, described position monitoring mechanism comprises support, proximity switch mount pad and proximity switch, described support is fixed on level ground, support is arranged one group of proximity switch mount pad, described proximity switch mount pad is position-adjustable structure, and described proximity switch is arranged on proximity switch mount pad.
The above-mentioned large-scale workpiece that is welded hangs the equipment of liter, and described fixed frame is also equipped with one group of movable latch, described movable latch is mated with the pin hole on guiding mechanism guidepost.
The present invention drives universal coupling and large belt wheel to rotate by the electric-motor drive unit of driver train, by one end, the belt be fixedly wrapped on large belt wheel is rolled, the effective length of belt progressively shortens along with the rotation of large belt wheel, thus drive the small pulley equipped with belt to rise, then by small pulley, lifting frame lifter is got up, the present invention utilize lifting framework by work piece hoisting to set height position, meet the lifting requirements of the large-scale workpiece that is welded, the present invention is coordinated by guidepost in guiding mechanism and orienting sleeve, not only increases to lift by crane frame hoisting and rise stability in process, and the locating dowel pin on lifting framework is accurately inserted in the dowel hole at fixed frame top, ensure that the positional precision of workpiece, the present invention will hang the lifting framework locking being raised to position by mechanical locking mechanism, when left side latch hook and right side latch hook are in lockup state, two lateral connector bars are in mechanical dead center position, avoid suspension hook when cylinder gas circuit is stopped the supple of gas or steam automatically to unclamp, the present invention is raised in the pin hole that also movable latch can be inserted afterwards on guiding mechanism guidepost position at lifting frame hoisting, play dual locking effect, above-mentioned mechanical locking measure coordinates motor braking locking system fully to ensure that this hangs the safety of the equipment of liter, avoid the suspender obscission generation because motor braking locking system malfunctions causes, the present invention is also provided with belt adjustment unit in driver train, ensure that the reliability service hanging the equipment of liter.In a word, the present invention has that lifting weight is large, accurate positioning, feature that stationarity is good, not only reach and the object risen hung to the large-scale workpiece that is welded, and ensure that the safety of periphery operating personnel and equipment.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is stationary frame structure schematic diagram;
The K direction view (locally) of Fig. 3 Fig. 2;
Fig. 4 is driver train schematic diagram;
Fig. 5 is that belt is opened into block construction schematic diagram;
Fig. 6 is actuating unit schematic diagram;
Fig. 7 is mechanical locking mechanism schematic diagram;
Fig. 8 is mechanical locking mechanism locking principle schematic;
Fig. 9 is guiding mechanism schematic diagram;
Figure 10 is position monitoring mechanism schematic diagram.
In figure, each list of reference numerals is: 1, fixed frame, 1-1, dowel hole, 1-2, movable latch, 2, driver train, 2-1, electric-motor drive unit, 2-2, universal coupling, 2-3, large belt wheel, 2-4, belt, 2-5, wheel flutter, 2-6, belt is opened into unit, 2-6-1, adapter plate, 2-6-2, backstand, 2-6-3, cushion block, 2-6-4, adjustment hole, 2-6-5, threaded fastener assembly, 2-6-6, adjustment plate, 2-6-7, belt connecting panel, 3, actuating unit, 3-1, small pulley, 3-2, locating dowel pin, 3-3, lock ring, 3-4, Workpiece fixing seat, 3-5, lifting framework, 4, mechanical locking mechanism, 4-1, mount pad, 4-2, cylinder, 4-3, left side latch hook, 4-4, right side latch hook, 4-5, limiting stopper, 4-6, two lateral connector bars, 5, guiding mechanism, 5-1, guidepost, 5-2, orienting sleeve, 5-3, guidepost permanent seat, 5-4, pin hole, 6, position monitoring mechanism, 6-1, support, 6-2, proximity switch mount pad, 6-3, proximity switch.
Detailed description of the invention
Referring to Fig. 1, Fig. 2, Fig. 3, the present invention includes fixed frame 1, driver train 2, actuating unit 3, mechanical locking mechanism 4, guiding mechanism 5 and position monitoring mechanism 6, described fixed frame 1 is arranged on the transport trolley track both sides of welding line, the dowel hole 1-1 mated with executive mechanism element is provided with at fixed frame 1 top, fixed frame 1 is also equipped with one group of movable latch 1-2, described driver train 2, mechanical locking mechanism 4 is installed on fixed frame 1, they mate with actuating unit 3, described actuating unit 3 is equipped with guiding mechanism 5, described guiding mechanism 5, position monitoring mechanism 6 is all fixed on level ground.
Referring to 4, Fig. 5, driver train 2 of the present invention comprises electric-motor drive unit 2-1, universal coupling 2-2, large belt wheel 2-3, belt 2-4, wheel flutter 2-5 and belt tensioning unit 2-6, described electric-motor drive unit 2-1 is arranged on the top of fixed frame 1, large belt wheel 2-3 is installed at the two ends of described universal coupling 2-2 respectively, fixing winding two belt 2-4 on described large belt wheel 2-3, be fixed on corresponding belt tensioning unit 2-6 after the described belt 2-4 other end walks around wheel flutter 2-5 and executive mechanism element, the belt tensioning unit 2-6 of described driver train is by front, after, left, four part compositions of right layout, wherein every part includes adapter plate 2-6-1, backstand 2-6-2, cushion block 2-6-3, threaded fastener assembly 2-6-5 and adjustment plate 2-6-6, described adapter plate 2-6-1 is arranged on fixed frame 1, described backstand 2-6-2 is assembled by adjustment hole 2-6-4 and adapter plate 2-6-1, the screw rod of described threaded fastener assembly 2-6-5 is fixed on backstand 2-6-2, it assembles with clamp nut through after adjustment plate 2-6-6, assembled by belt connecting panel 2-6-7 and backstand 2-6-2 after described belt 2-4 walks around cushion block 2-6-3.
Referring to 6, actuating unit 3 of the present invention comprises small pulley 3-1, locating dowel pin 3-2, lock ring 3-3, Workpiece fixing seat 3-4 and lifting framework 3-5, small pulley 3-1 is installed at corner location place, described lifting framework 3-5 top, described small pulley 3-1 mates with the belt 2-4 of driver train, lifting framework 3-5 arranges two locating dowel pin 3-2, the dowel hole 1-1 that described locating dowel pin 3-2 is arranged with fixed frame 1 top mates, at the top of lifting framework 3-5, two lock ring 3-3 are also set, described lock ring 3-3 mates with mechanical locking mechanism element, in the bottom of lifting framework 3-5, one group of Workpiece fixing seat 3-4 is also set, described Workpiece fixing seat 3-4 rises work piece match with hanging.
Referring to 7, Fig. 8, mechanical locking mechanism 4 of the present invention comprises permanent seat 4-1, cylinder 4-2, left side latch hook 4-3, right side latch hook 4-4, limiting stopper 4-5 and two lateral connector bar 4-6, described permanent seat 4-1 is arranged on fixed frame 1, permanent seat 4-1 installs cylinder 4-2 and limiting stopper 4-5, described left side latch hook 4-3, right side latch hook 4-4 by hinge together, they are take bearing pin as the lever construction of fulcrum, its master arm is hinged by the piston rod of two lateral connector bar 4-6 and cylinder 4-2, described two lateral connector bar 4-6 coordinate with limiting stopper 4-5, when left side latch hook 4-3 and right side latch hook 4-4 is in lockup state, two lateral connector bar 4-6 are in a straight line, now only under cylinder piston rod provides retraction power situation, lockable mechanism could be opened, avoid suspension hook when cylinder gas circuit is stopped the supple of gas or steam and automatically unclamp phenomenon generation.
Referring to 9, four parts that guiding mechanism 5 of the present invention is arranged by front, rear, left and right form, wherein every part includes guidepost 5-1, orienting sleeve 5-2 and guidepost permanent seat 5-3, described guidepost 5-1 is fixed on guidepost permanent seat 5-3, described guidepost permanent seat 5-3 is fixed on level ground, described orienting sleeve 5-2 is fixed on fixed frame, it and guidepost 5-1 are equipped with, guidepost 5-1 is also provided with pin hole 5-4, and described pin hole mates with the movable latch 1-2 on fixed frame 1.
Referring to 10, position monitoring mechanism 6 of the present invention comprises support 6-1, proximity switch mount pad 6-2 and proximity switch 6-3, described support 6-1 is fixed on level ground, support 6-1 arranges one group of proximity switch mount pad 6-2, described proximity switch mount pad 6-2 is position-adjustable structure, and described proximity switch 6-3 is arranged on proximity switch mount pad 6-2.
The present invention is applicable to promote the handling of the large-scale workpiece that are welded such as automobile body-in-white, its specific works process is: after body in white assembly is transported to fixed frame position by table system, the signal that puts in place is sent by control system, electric-motor drive unit 2-1 starts, universal coupling 2-2 and large belt wheel 2-3 is driven to rotate, the belt 2-4 be fixedly wrapped in one end on large belt wheel 2-3 rolls, the effective length of belt 2-4 progressively shortens along with the rotation of large belt wheel 2-3, thus drive the small pulley 3-1 equipped with belt 2-4 to rise, by small pulley 3-1, lifting framework 3-5 is raised up again, in lifting framework 3-5 uphill process, Workpiece fixing seat in actuating unit 2 and body in white workpiece are equipped with and support body in white assembly and rise simultaneously, after rising puts in place, the proximity switch 6-3 of position monitoring mechanism 6 sends the signal that puts in place, under PLC system controls, electric-motor drive unit 2-1 shuts down, seized, cylinder 4-2 action simultaneously in mechanical locking mechanism 4, mechanical locking mechanism is locked, movable latch 1-2 on fixed frame 1 takes off and inserts in the pin hole 5-4 of guiding mechanism 5 guidepost 5-1 by operating personnel, then manually be welded operation, after operation completes, movable latch 1-2 is extracted, cylinder 4-2 action in mechanical locking mechanism 4, left side latch hook 4-3 in mechanical locking mechanism 4 is separated with right side latch hook 4-4, mechanical locking mechanism 4 removes lockup state, at this moment under PLC system controls, electric-motor drive unit 2-1 starts, lifting framework 3-5 declines, drop to after on table system until body in white assembly, lifting framework 3-5 continues to decline, until the proximity switch 6-3 of position monitoring mechanism 6 detects that decline puts in place, electric-motor drive unit 2-1 stops action, body in white assembly is delivered to next station by table system.
The present invention utilizes motor braking locking, mechanical locking mechanism and movable latch Anti-fall three kinds of modes, can not drop, ensure that the safety of operating personnel after guaranteeing lifting frame lifter.
Claims (5)
1. the one kind large-scale workpiece that is welded hangs the equipment of liter, it is characterized in that, it comprises fixed frame (1), driver train (2), actuating unit (3), mechanical locking mechanism (4), guiding mechanism (5) and position monitoring mechanism (6), described fixed frame (1) is arranged on the transport trolley track both sides of welding line, the dowel hole (1-1) mated with executive mechanism element is provided with at fixed frame (1) top, described driver train (2), mechanical locking mechanism (4) is installed on fixed frame (1), they mate with actuating unit (3), described actuating unit (3) is equipped with guiding mechanism (5), described guiding mechanism (5), position monitoring mechanism (6) is all fixed on level ground,
Described driver train (2) comprises electric-motor drive unit (2-1), universal coupling (2-2), large belt wheel (2-3), belt (2-4), wheel flutter (2-5) and belt tensioning unit (2-6), described electric-motor drive unit (2-1) is arranged on the top of fixed frame (1), large belt wheel (2-3) is installed at the two ends of described universal coupling (2-2) respectively, upper fixing winding two belts (2-4) of described large belt wheel (2-3), described belt (2-4) other end is fixed on corresponding belt tensioning unit (2-6) after walking around wheel flutter (2-5) and executive mechanism element,
The belt tensioning unit (2-6) of described driver train is by front, after, left, four part compositions of right layout, wherein every part includes adapter plate (2-6-1), backstand (2-6-2), cushion block (2-6-3), threaded fastener assembly (2-6-5) and adjustment plate (2-6-6), described adapter plate (2-6-1) is arranged on fixed frame (1), described backstand (2-6-2) is assembled by adjustment hole (2-6-4) and adapter plate (2-6-1), the screw rod of described threaded fastener assembly (2-6-5) is fixed on backstand (2-6-2), it assembles with clamp nut afterwards through adjustment plate (2-6-6), described belt (2-4) is walked around cushion block (2-6-3) and is assembled by belt connecting panel (2-6-7) and backstand (2-6-2) afterwards,
Described actuating unit (3) comprises small pulley (3-1), locating dowel pin (3-2), lock ring (3-3), Workpiece fixing seat (3-4) and lifting framework (3-5), small pulley (3-1) is installed at corner location place, described lifting framework (3-5) top, described small pulley (3-1) mates with the belt (2-4) of driver train, lifting framework (3-5) arranges locating dowel pin (3-2), the dowel hole (1-1) that described locating dowel pin (3-2) and fixed frame (1) top are arranged mates, at the top of lifting framework (3-5), lock ring (3-3) is also set, described lock ring (3-3) mates with mechanical locking mechanism element, in the bottom of lifting framework (3-5), Workpiece fixing seat (3-4) is also set, described Workpiece fixing seat (3-4) rises work piece match with hanging.
2. the large-scale workpiece that is welded of one according to claim 1 hangs the equipment of liter, it is characterized in that, described mechanical locking mechanism (4) comprises permanent seat (4-1), cylinder (4-2), left side latch hook (4-3), right side latch hook (4-4), limiting stopper (4-5) and two lateral connector bars (4-6), described permanent seat (4-1) is arranged on fixed frame (1), permanent seat (4-1) is installed cylinder (4-2) and limiting stopper (4-5), described left side latch hook (4-3), right side latch hook (4-4) by hinge together, they are take bearing pin as the lever construction of fulcrum, its master arm is hinged with the piston rod of cylinder (4-2) by two lateral connector bars (4-6).
3. the large-scale workpiece that is welded of one according to claim 2 hangs the equipment of liter, it is characterized in that, described guiding mechanism (5) is by front, after, left, four part compositions of right layout, wherein every part includes guidepost (5-1), orienting sleeve (5-2) and guidepost permanent seat (5-3), described guidepost (5-1) is fixed on guidepost permanent seat (5-3), described guidepost permanent seat (5-3) is fixed on level ground, described orienting sleeve (5-2) is fixed on fixed frame (1), it and guidepost (5-1) are equipped with, guidepost (5-1) is also provided with pin hole (5-4).
4. the large-scale workpiece that is welded of one according to claim 3 hangs the equipment of liter, it is characterized in that, described position monitoring mechanism (6) comprises support (6-1), proximity switch mount pad (6-2) and proximity switch (6-3), described support (6-1) is fixed on level ground, the upper layout one group of proximity switch mount pad (6-2) of support (6-1), described proximity switch mount pad (6-2) is position-adjustable structure, and described proximity switch (6-3) is arranged on proximity switch mount pad (6-2).
5. the large-scale workpiece that is welded of one according to claim 4 hangs the equipment of liter, it is characterized in that, described fixed frame (1) is also equipped with one group of movable latch (1-2), described movable latch (1-2) is mated with the pin hole (5-4) on guiding mechanism guidepost (5-1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310262188.2A CN103303847B (en) | 2013-06-27 | 2013-06-27 | A kind of large-scale workpiece that is welded hangs the equipment of liter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310262188.2A CN103303847B (en) | 2013-06-27 | 2013-06-27 | A kind of large-scale workpiece that is welded hangs the equipment of liter |
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| CN103303847A CN103303847A (en) | 2013-09-18 |
| CN103303847B true CN103303847B (en) | 2015-12-02 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104591049B (en) * | 2015-02-14 | 2017-03-01 | 马鞍山纽泽科技服务有限公司 | Greater trochanter immersion lifting device |
| CN107337165A (en) * | 2017-06-20 | 2017-11-10 | 合肥航机械科技股份有限公司 | A kind of lifting machine safety system device |
| CN107199645A (en) * | 2017-06-30 | 2017-09-26 | 浙江开元新型墙体材料有限公司 | The selection mechanism of steam pressurized sheet material |
| CN113681693A (en) * | 2021-08-31 | 2021-11-23 | 山东阳光众泰机械工程有限公司 | Breaking-off mechanism for aerated concrete body after steam curing |
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| CN2225457Y (en) * | 1995-05-09 | 1996-04-24 | 威海航空地面设备股份有限公司 | Passenger elevator lifting mechanism |
| KR20070001291A (en) * | 2005-06-28 | 2007-01-04 | (주)우진정공 | Fixing apparatus for automobile body and hanger |
| CN2866408Y (en) * | 2006-01-27 | 2007-02-07 | 江苏天奇物流系统工程股份有限公司 | Heavy-duty double-belt conveying moving machine |
| CN201686420U (en) * | 2010-06-01 | 2010-12-29 | 南京叁迪焊接设备有限公司 | Hoisting mechanism for front longitudinal beam assembly welding and aerial conveying line of automobile body in white |
| CN201686455U (en) * | 2010-04-29 | 2010-12-29 | 北京首钢国际工程技术有限公司 | Long-journey heavy-load hoister for conveying dual-row trays |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2225457Y (en) * | 1995-05-09 | 1996-04-24 | 威海航空地面设备股份有限公司 | Passenger elevator lifting mechanism |
| KR20070001291A (en) * | 2005-06-28 | 2007-01-04 | (주)우진정공 | Fixing apparatus for automobile body and hanger |
| CN2866408Y (en) * | 2006-01-27 | 2007-02-07 | 江苏天奇物流系统工程股份有限公司 | Heavy-duty double-belt conveying moving machine |
| CN201686455U (en) * | 2010-04-29 | 2010-12-29 | 北京首钢国际工程技术有限公司 | Long-journey heavy-load hoister for conveying dual-row trays |
| CN201686420U (en) * | 2010-06-01 | 2010-12-29 | 南京叁迪焊接设备有限公司 | Hoisting mechanism for front longitudinal beam assembly welding and aerial conveying line of automobile body in white |
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Effective date of registration: 20191223 Address after: No. 2266 Chaoyang South Street, Lianchi District, Baoding City, Hebei Province Patentee after: Jingcheng Engineering Automobile System Co., Ltd. Address before: 071000 No. 2266 Chaoyang South Street, Hebei, Baoding Patentee before: Changcheng Automobile Co., Ltd. |