CN103028876B - Body assembly device and body assembly method for cambered wrapper sheet type rail wagon - Google Patents
Body assembly device and body assembly method for cambered wrapper sheet type rail wagon Download PDFInfo
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- CN103028876B CN103028876B CN201110301755.1A CN201110301755A CN103028876B CN 103028876 B CN103028876 B CN 103028876B CN 201110301755 A CN201110301755 A CN 201110301755A CN 103028876 B CN103028876 B CN 103028876B
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Abstract
The invention provides a body assembly device and a body assembly method for a cambered wrapper sheet type rail wagon. The device comprises an underframe and a plurality of groups of sidewall clamping units which are arranged on the underframe in parallel. Each sidewall clamping unit comprises opposite clamping arms which are hinged to the underframe. Clamping driving units for driving the clamping arms to rotate are arranged between the underframe and the clamping arms. According to the scheme, during the body assembly of the cambered wrapper sheet type rail wagon, the assembly of sidewalls is integrated into entire body assembly procedures, and the arrangement of partition plate assembly and welding table positions is eliminated, so that an occupied operation space is reduced, the manufacture investment cost of a tool is reduced, the number of operators is reduced, and the production efficiency is improved.
Description
Technical field
The present invention relates to rail vehicle technical field, particularly relate to a kind of circular arc wrapper sheet class lorry body apparatus for assembling and vehicle body assembling method.
Background technology
Circular arc wrapper sheet class lorry body as shown in Figure 1, Figure 2, Figure 3 shows, comprises chassis assembly 1 and the headwall assembly 2 that is fixedly installed in chassis assembly 1 and side wall assembly 3.Wherein, described side wall assembly 3 comprises the circular arc framed side wallboard 4 being substantially in vertical position, the welded top top side rail 5 of circular arc framed side wallboard 4, and circular arc framed side wallboard 4 is welded with the dividing plate 6 vertically arranged on the side of vehicle body.
At present, the circular arc wrapper sheet class lorry body of said structure, when general assembly, is be soldered in chassis assembly 1 by the side wall assembly 3 assembled in advance.Assembling needs two workbench positions are carried out to side wall assembly 3, each workbench position has a supporting frock.When assembling side wall assembly 3, first wherein the assembly welding of circular arc framed side wallboard 4 and top side rail 5 is carried out in workbench position, after assembly welding terminates, the assembly that circular arc framed side wallboard 4 and top side rail 5 are welded to form is hung and go to another one workbench position (i.e. dividing plate assembly welding platform position), and on this workbench position, carry out dividing plate 6 weld to form side wall assembly 3.
Therefore, when carrying out side wall assembly 3 assembly welding, need two workbench positions, the working space therefore taken is large, and each workbench position all needs a corresponding frock, therefore frock is caused to manufacture Meteorological high, in addition, in welding process, need weld assembly circular arc framed side wallboard 4 and top side rail 5 formed to hang between two workbench positions and turn, therefore required staff is more, and inefficiency.
Summary of the invention
The invention provides a kind of circular arc wrapper sheet class lorry body apparatus for assembling and vehicle body assembling method, when circular arc wrapper sheet class lorry body being assembled in prior art to solve, take working space large, operating personnel are many, the problem that production efficiency is low and frock manufacture Meteorological is high.
The invention provides a kind of circular arc wrapper sheet class lorry body apparatus for assembling, comprise underframe and be installed on the many groups side wall clamping unit on underframe side by side, described side wall clamping unit comprises the clamp arm be oppositely arranged, described clamp arm is articulated with on described underframe, is provided with the clamping driver element driving described clamp arm to rotate between described underframe and described clamp arm; Described underframe has the gripper shoe upwards extended, described clamping driver element comprises the second linear actuator be articulated with in described gripper shoe, the piston rod of described second linear actuator upwards arranges and is hinged with two clamp arm drive link in the end of described piston rod, wherein described clamp arm drive link away from described piston rod one end and described gripper shoe is hinged, clamp arm drive link described in another root away from one end of described piston rod and described clamp arm hinged.
The present invention also provides a kind of vehicle body assembling method adopting above-mentioned circular arc wrapper sheet class lorry body apparatus for assembling, comprises the following steps:
Step a, the vehicle body bottom frame after carrying out headwall and dividing plate assembling to be positioned on described circular arc wrapper sheet class lorry body apparatus for assembling, and to make described vehicle body bottom frame between the described clamp arm be oppositely arranged;
Step b, between described vehicle body bottom frame and described clamp arm setting side wallboard, rotated to described vehicle body bottom frame side by clamp arm described in described clamping drive unit drives, described clamp arm is made to promote the edgewise bend of described framed side wallboard along described dividing plate, until described framed side wallboard to be closely pressure bonded to the side of described dividing plate, subsequently the contact position of described framed side wallboard with described dividing plate is welded.
Circular arc wrapper sheet class lorry body apparatus for assembling provided by the invention and vehicle body assembling method, when carrying out the assembling of circular arc wrapper sheet class lorry body, the assembling of side wall is dissolved in the large assembling procedure of car body, eliminate and dividing plate assembly welding platform position is set, therefore, reduce take working space, decrease frock manufacture input cost, decrease operating personnel quantity and improve production efficiency.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for description, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural front view of circular arc wrapper sheet class lorry body;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the front view of circular arc wrapper sheet class lorry body apparatus for assembling embodiment of the present invention;
Fig. 5 is the left view of Fig. 4;
Fig. 6 is the using state figure of circular arc wrapper sheet class lorry body apparatus for assembling of the present invention;
Fig. 7 is the partial enlarged drawing I of Fig. 5;
Fig. 8 is the structural representation of longitudinal register unit in circular arc wrapper sheet class lorry body apparatus for assembling embodiment of the present invention;
Fig. 9 is the structural representation of central sill clamping unit in circular arc wrapper sheet class lorry body apparatus for assembling embodiment of the present invention;
Figure 10 is the flow chart of vehicle body assembling method embodiment of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 4 is the front view of circular arc wrapper sheet class lorry body apparatus for assembling embodiment of the present invention; Fig. 5 is the left view of Fig. 4; As shown in Figure 4, Figure 5, the embodiment of circular arc wrapper sheet class lorry body apparatus for assembling of the present invention, comprise underframe 7 and be installed on the many groups side wall clamping unit 8 on underframe 7 side by side, side wall clamping unit 8 comprises the clamp arm 9 be oppositely arranged, clamp arm 9 is articulated with on underframe 7, is provided with the clamping driver element 10 driving clamp arm 9 to rotate between underframe 7 and clamp arm 9.
Adopt the car body apparatus for assembling of such scheme, when carrying out the assembling of circular arc wrapper sheet class lorry body, the assembling of side wall is dissolved in the large assembling procedure of car body, eliminate and dividing plate assembly welding platform position is set, therefore, reduce take working space, decrease frock manufacture input cost, decrease operating personnel quantity and improve production efficiency.
Based on above-described embodiment, particularly, with see Fig. 5, have the depression bar 11 of a V-arrangement at the upper articulation of clamp arm 9, a bar section of the depression bar 11 of this V-arrangement near car body to be assembled, another bar section away from car body to be assembled.To be provided with at the depression bar 11 of V-arrangement the pressure holding rocker arm assembly bent to the dividing plate in described car body to be assembled at the top for the framed side wallboard by car body to be assembled near the end of the bar section of car body to be assembled, the cylinder body being provided with the first linear actuator 12, first linear actuator 12 between the end of another bar section and clamp arm 9 is hinged with the gripper shoe 13 that clamp arm 9 welds, the depression bar 11 of piston rod and V-arrangement is hinged.In this embodiment, the first linear actuator 12 is cylinder, can certainly adopt hydraulic cylinder or electric pushrod.Specifically in use, for the ease of handling framed side wallboard, therefore first top side rail is welded on the medial surface of framed side wallboard upper end, now, pressure holding rocker arm assembly press against the top of framed side wallboard to treating that composition vehicle body bends, until the top side rail being welded on framed side wallboard upper end medial surface drops on the corresponding position of dividing plate.
Wherein, pressure holding rocker arm assembly has one is carried out rounding leg-of-mutton rocking arm 14 at each drift angle, a this rocking arm 14 wherein corner position place is hinged on the end of depression bar 11 near car body to be assembled, further, one in this two other drift angle of rocking arm 14 near car body to be assembled, another is away from car body to be assembled.Rotate at the corner position place of close car body to be assembled and a pinch roller 15 has been installed, the axis being parallel of the axis of the turning cylinder of this pinch roller 15 and the jointed shaft of rocking arm 14.At rocking arm 14 away from waiting the hinged angular adjustment screw rod 16 in corner position place forming car body, this angular adjustment screw rod 16 is through depression bar 11, and depression bar 11 is exposed in upper end.The end that angular adjustment screw rod 16 exposes depression bar is spirally connected nut 17, pad 18 is set between nut 17 and depression bar 11, pad 18 contacts with the surface of depression bar 11 to prevent angular adjustment screw rod 16 from exiting in depression bar 11, achieves angular adjustment screw rod 16 and coordinates with the retaining of depression bar 11.
Fig. 6 is the using state figure of circular arc wrapper sheet class lorry body apparatus for assembling of the present invention, and as shown in Figure 6, the clamp arm 9 in left side is in running order, by framed side wallboard tightly be pressed on the side of dividing plate; The clamp arm 9 on right side is in free state, is namely in off working state, now also not at right side setting side wallboard.
According to Fig. 6, when carrying out assembly welding to framed side wallboard, first between the clamp arm 9 framed side wallboard of one flat plate shape being placed on left side and car body to be assembled 19, clamp arm 9 is driven to turn clockwise to clamp driver element 10, clamp arm 9 is made to press against the edgewise bend of framed side wallboard along dividing plate, it is to be noted, for the ease of framed side wallboard being carried out press-bending distortion, then correspond to all hinged clamp arm 9 in each partition position place, form dividing plate to outer support framed side wallboard in car body 19 to be assembled, and clamp arm 9 is implemented to bend outside to inside to framed side wallboard from car body 19 to be assembled.At the top of framed side wallboard, be closely pressed together on dividing plate by the pinch roller 15 in pressure holding rocker arm assembly.By regulating the position of the nut 17 in pressure holding rocker arm assembly, angular adjustment screw rod 16 is spirally connected, changing the compression angle of pinch roller 15, together with ensureing that the top of framed side wallboard and dividing plate fit tightly fully, being beneficial to follow-up welding operation.
Wherein, above-mentioned clamping driver element 10 has the second linear actuator 20 that piston rod is upwards arranged, and in this embodiment, the second linear actuator 20 is cylinder, can certainly adopt hydraulic cylinder or electric pushrod.The cylinder body of the second linear actuator 20 is hinged in the gripper shoe 22 extended straight up on underframe 7.Be hinged with two clamp arm drive link in the end of the piston rod of the second linear actuator 20, wherein clamp arm drive link 21 away from piston rod one end and gripper shoe 22 is hinged, another root clamp arm drive link 23 away from one end of piston rod and clamp arm 9 hinged.Clamping driver element adopts this kind of structure, when being in operating position, two clamp arm drive link are on same straight line, namely now two clamp arm drive link are in their dead-centre position place, the reliability that clamp arm is supported can be improved, even if the second linear actuator 20 is when losing power, two clamp arm drive link also can make clamp arm 9 maintain clamped position place.
In addition, in order to make clamp arm 9 in the process of bending to framed side wallboard, side wall forming plate is directly made to be required arc-shaped, then be set to the cambered surface matched with car body 19 side wall design shape to be assembled towards the side of car body 19 to be assembled at clamp arm 9, the arc axis of this cambered surface moves towards identical to the camber line of the lateral surface with dividing plate.
Further, see also shown in Fig. 7, the cambered surface of clamp arm 9 is provided with elastic layer 24, elastic layer 24 deviates from the side of clamp arm 9 for contacting with framed side wallboard, and elastic layer 24 is air bag layer in this embodiment, can certainly be rubber layer.Air bag layer is set, due to the mobility of gas in air bag, air bag layer thickness everywhere can be made to occur difference according to the difference of ambient pressure, to carry out adaptive compensation to the distance between clamp arm and framed side wallboard, due to the compensating action of air bag layer, framed side wallboard and dividing plate and headwall end face are fitted tightly.
In order to when assembling greatly, preventing car body to be assembled from position occurring and moving, with see Fig. 4, Fig. 5, this circular arc wrapper sheet class lorry body apparatus for assembling being also provided with longitudinal register unit 25 and central sill clamping unit 26.Longitudinal register unit 25 is arranged on the end of underframe, treats composition car body and carries out longitudinal register.Central sill clamping unit 26 is arranged on the position of central sill underframe corresponding to car body to be assembled, namely along underframe longitudinally (longitudinal direction of indication is the length direction of car body to be assembled herein) center line setting, for clamping central sill, and coordinate with located lateral plate 27 and realize vertical direction and located lateral.
Particularly, Fig. 8 is the structural representation of longitudinal register unit in circular arc wrapper sheet class lorry body apparatus for assembling embodiment of the present invention; As shown in Figure 8, longitudinal register unit has the longitudinal register depression bar 28 being articulated with and underframe 7 being in substantially vertical position, and longitudinal register depression bar 28 is positioned at the middle part of longitudinal register depression bar 28 with the articulated position of underframe 7.The upper end of this longitudinal register depression bar 28 bends towards car body to be assembled, and has one piece of contact plate 29 at this bending welding edges, and this contact plate 29 is longitudinal register face 30 towards the side of car body to be assembled.Between longitudinal register depression bar 28 and underframe 7, be provided with the 3rd linear actuator 31, in this embodiment, the 3rd linear actuator 31 is cylinder, can certainly adopt hydraulic cylinder or electric pushrod.The cylinder body of the 3rd linear actuator 31 is fixed on underframe 7, the end winding support of piston rod has a bearing pin 32, this bearing pin 32 is through in the rotation control hole 33 of longitudinal register depression bar lower end, and this rotation control hole 33 can be the waist-shaped hole of longitudinally locating the extension of depression bar 28 short transverse.
Further, Fig. 9 is the structural representation of central sill clamping unit in circular arc wrapper sheet class lorry body apparatus for assembling embodiment of the present invention; Central sill clamping unit has the mount pad 34 be fixedly connected with underframe, and mount pad 34 fixedly mounts the 4th linear actuator 35, and in this embodiment, the 4th linear actuator 35 is cylinder, can certainly adopt hydraulic cylinder or electric pushrod.Wherein, the piston rod of the 4th linear actuator 35 arranges straight up and is connected with connecting rod 36 in the end of piston rod, and the link position of piston rod and connecting rod 36 is positioned at the middle part of connecting rod 36, and this connecting rod 36 is horizontal substantially.All being hinged with the clamp hook 37 for clamping central sill 39 at the two ends of connecting rod 36, in addition, mount pad 34 having positioning supporting part 38, positioning supporting part 38 can be horizontally disposed circular shaft.Positioning supporting part 38 is positioned at the oblique below of clamp hook 37 to support clamp hook, and clamp hook 37 can slide relative to positioning supporting part 38, and wherein, positioning supporting part 38 and clamp hook 37 are linear contact lay.
Figure 10 is the flow chart of vehicle body assembling method embodiment of the present invention, and as shown in Figure 10, the embodiment of vehicle body assembling method of the present invention comprises the steps:
Step a, the vehicle body bottom frame after carrying out headwall and dividing plate assembling to be positioned on described circular arc wrapper sheet class lorry body apparatus for assembling, and to make described vehicle body bottom frame between the described clamp arm be oppositely arranged;
Step b, between described vehicle body bottom frame and described clamp arm setting side wallboard, rotated to described vehicle body bottom frame side by clamp arm described in described clamping drive unit drives, described clamp arm is made to promote the edgewise bend of described framed side wallboard along described dividing plate, until described framed side wallboard to be closely pressure bonded to the side of described dividing plate, subsequently the contact position of described framed side wallboard with described dividing plate is welded.
The car body apparatus for assembling that the vehicle body assembling method that the embodiment of the present invention provides adopts, see said apparatus embodiment, can repeat no more herein.
Adopt such scheme, when carrying out the assembling of circular arc wrapper sheet class lorry body, the assembling of side wall is dissolved in the large assembling procedure of car body, eliminate and dividing plate assembly welding platform position is set, therefore, reduce take working space, decrease frock manufacture input cost, decrease operating personnel quantity and improve production efficiency.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a circular arc wrapper sheet class lorry body apparatus for assembling, it is characterized in that, comprise underframe and be installed on the many groups side wall clamping unit on underframe side by side, described side wall clamping unit comprises the clamp arm be oppositely arranged, described clamp arm is articulated with on described underframe, is provided with the clamping driver element driving described clamp arm to rotate between described underframe and described clamp arm; Described underframe has the gripper shoe upwards extended, described clamping driver element comprises the second linear actuator be articulated with in described gripper shoe, the piston rod of described second linear actuator upwards arranges and is hinged with two clamp arm drive link in the end of described piston rod, wherein described clamp arm drive link away from described piston rod one end and described gripper shoe is hinged, clamp arm drive link described in another root away from one end of described piston rod and described clamp arm hinged.
2. circular arc wrapper sheet class lorry body apparatus for assembling according to claim 1, is characterized in that,
The upper articulation of described clamp arm has depression bar, one end of described depression bar near car body to be assembled, the other end away from described car body to be assembled;
Described depression bar be provided with near one end of described car body to be assembled for the framed side wallboard by car body to be assembled top in described car body to be assembled dividing plate bend pressure holding rocker arm assembly, be provided with the first linear actuator between the other end and described clamp arm.
3. circular arc wrapper sheet class lorry body apparatus for assembling according to claim 2, is characterized in that,
Described pressure holding rocker arm assembly comprises rocking arm, and the middle part of described rocking arm is articulated with on described depression bar;
One end of described rocking arm near described car body to be assembled, the other end away from described car body to be assembled;
Described rocking arm is rotationally connected pinch roller, other end hinge angle adjusting screw(rod) near one end of described car body to be assembled, and described angular adjustment screw rod passes described depression bar away from one end of described rocking arm and coordinates with described depression bar retaining.
4. circular arc wrapper sheet class lorry body apparatus for assembling according to claim 1, it is characterized in that, described underframe is provided with longitudinal register unit car body to be assembled being carried out to longitudinal register, described longitudinal register unit comprises the longitudinal register depression bar be articulated with on described underframe, described longitudinal register depression bar has towards the longitudinal register face of car body to be assembled, between described longitudinal register depression bar and described underframe, be provided with the 3rd linear actuator.
5. circular arc wrapper sheet class lorry body apparatus for assembling according to claim 1, it is characterized in that, described underframe is provided with the central sill clamping unit that the central sill of car body to be assembled is clamped, described central sill clamping unit comprises mount pad, described mount pad fixedly mounts the 4th linear actuator, the piston rod of described 4th linear actuator is arranged straight up, and be connected with connecting rod in the end of described piston rod, the link position of described piston rod and described connecting rod is positioned at the middle part of described connecting rod, the two ends of described connecting rod are all hinged with clamp hook, described mount pad has positioning supporting part, described positioning supporting part supports with described clamp hook and coordinates.
6., according to the arbitrary described circular arc wrapper sheet class lorry body apparatus for assembling of claim 1-5, it is characterized in that, described clamp arm is the cambered surface matched with vehicle body side wall to be assembled towards the side of car body to be assembled.
7. circular arc wrapper sheet class lorry body apparatus for assembling according to claim 6, is characterized in that, described cambered surface is provided with elastic layer.
8. circular arc wrapper sheet class lorry body apparatus for assembling according to claim 7, it is characterized in that, described elastic layer is air bag layer or rubber layer.
9. adopt a vehicle body assembling method for the arbitrary described circular arc wrapper sheet class lorry body apparatus for assembling of claim 1-8, it is characterized in that, comprise the following steps:
Step a, the vehicle body bottom frame after carrying out headwall and dividing plate assembling to be positioned on described circular arc wrapper sheet class lorry body apparatus for assembling, and to make described vehicle body bottom frame between the described clamp arm be oppositely arranged;
Step b, between described vehicle body bottom frame and described clamp arm setting side wallboard, rotated to described vehicle body bottom frame side by clamp arm described in described clamping drive unit drives, described clamp arm is made to promote the edgewise bend of described framed side wallboard along described dividing plate, until described framed side wallboard to be closely pressure bonded to the side of described dividing plate, subsequently the contact position of described framed side wallboard with described dividing plate is welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110301755.1A CN103028876B (en) | 2011-09-28 | 2011-09-28 | Body assembly device and body assembly method for cambered wrapper sheet type rail wagon |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110301755.1A CN103028876B (en) | 2011-09-28 | 2011-09-28 | Body assembly device and body assembly method for cambered wrapper sheet type rail wagon |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103028876A CN103028876A (en) | 2013-04-10 |
| CN103028876B true CN103028876B (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110301755.1A Expired - Fee Related CN103028876B (en) | 2011-09-28 | 2011-09-28 | Body assembly device and body assembly method for cambered wrapper sheet type rail wagon |
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| CN (1) | CN103028876B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103737232B (en) * | 2013-12-28 | 2015-09-09 | 大连齐车轨道交通装备有限责任公司 | A kind of railway freight-car side wall group of circular arc wrapper sheet side wall is to by frock |
| CN105598657B (en) * | 2016-02-23 | 2017-12-22 | 中车青岛四方机车车辆股份有限公司 | Particular track pivoted arm fluid-pressure straining device is used in car body assembling |
| CN106216151B (en) * | 2016-07-22 | 2019-05-31 | 芜湖鼎瀚再制造技术有限公司 | A kind of supersonic spray coating spray gun storage rack |
| CN108381054A (en) * | 2018-05-18 | 2018-08-10 | 珠海中车装备工程有限公司 | A kind of tramcar M car body general assembly toolings and its technique |
| CN112008335B (en) * | 2020-08-04 | 2022-10-04 | 中车长江车辆有限公司 | Flexible production line and production process for wagon body |
| CN113263743B (en) * | 2021-07-19 | 2021-09-28 | 常州市新创智能科技有限公司 | Composite material vehicle body assembling and positioning device and assembling process |
| CN113427426B (en) * | 2021-08-25 | 2021-11-16 | 常州市新创智能科技有限公司 | Frock is assembled to track traffic combined material automobile body |
| CN114454284A (en) * | 2022-01-19 | 2022-05-10 | 康士得（安徽）家具有限公司 | A equipment platform with adjustable inclination for furniture processing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3512483A (en) * | 1965-06-24 | 1970-05-19 | Talbot Waggonfab | Mechanism for closing a one-shell roof for railway freight vehicles |
| CN1915588A (en) * | 2006-03-03 | 2007-02-21 | 南京中辆铁人科技有限公司 | Product line of flexible tool set up for manufacturing railway vehicle |
| CN101204765A (en) * | 2006-12-22 | 2008-06-25 | 康茂股份公司 | System for assembling structures made of molded sheet elements |
| CN201309057Y (en) * | 2008-12-05 | 2009-09-16 | 于华北 | Car assembling positioner |
| CN101797672A (en) * | 2009-12-04 | 2010-08-11 | 安徽巨一自动化装备有限公司 | synchronous clamping mechanism |
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2011
- 2011-09-28 CN CN201110301755.1A patent/CN103028876B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3512483A (en) * | 1965-06-24 | 1970-05-19 | Talbot Waggonfab | Mechanism for closing a one-shell roof for railway freight vehicles |
| CN1915588A (en) * | 2006-03-03 | 2007-02-21 | 南京中辆铁人科技有限公司 | Product line of flexible tool set up for manufacturing railway vehicle |
| CN101204765A (en) * | 2006-12-22 | 2008-06-25 | 康茂股份公司 | System for assembling structures made of molded sheet elements |
| CN201309057Y (en) * | 2008-12-05 | 2009-09-16 | 于华北 | Car assembling positioner |
| CN101797672A (en) * | 2009-12-04 | 2010-08-11 | 安徽巨一自动化装备有限公司 | synchronous clamping mechanism |
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| CN103028876A (en) | 2013-04-10 |
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Address after: 161002 Qigihar City, Heilongjiang province Tiefeng District Plant Road No. 36 Patentee after: CRRC QIQIHAR VEHICLE CO., LTD. Address before: Qigihar City, Heilongjiang province 161002 City, Tiefeng District Factory Road No. 36 Patentee before: Qiqihar Railway Rolling Stock Co., Ltd. |
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