CN215146330U - Marine diesel engine frame welding upset frock - Google Patents
Marine diesel engine frame welding upset frock Download PDFInfo
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- CN215146330U CN215146330U CN202121702332.6U CN202121702332U CN215146330U CN 215146330 U CN215146330 U CN 215146330U CN 202121702332 U CN202121702332 U CN 202121702332U CN 215146330 U CN215146330 U CN 215146330U
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Abstract
The application provides a welding and overturning tool for a frame of a marine diesel engine; the welding fixture comprises a base, two groups of supporting wheel sets and turnover wheels, wherein the two groups of supporting wheel sets are arranged on the base at intervals, the supporting wheel sets are respectively matched with the turnover wheels capable of rotating around an axis, the two turnover wheels are coaxially arranged, and a fixing frame is connected between the two turnover wheels; the two sides of the fixed frame corresponding to the axis of the turnover wheel are respectively provided with a connecting piece and a positioning piece, and the fixed frame is used for matching the two sides of the fixed frame with the frame to be welded respectively and enabling the gravity centers of the fixed frame and the frame to be welded to be collinear with the axis of the turnover wheel; the problem of not enough to present upset frock bearing capacity sets up support wheelset and upset wheel, supports and drives the upset wheel through a plurality of supporting wheels on the support wheelset, improves its bearing capacity for the mount can drive and treat that the welding frame is stable to rotate the regulation gesture.
Description
Technical Field
The application relates to the field of ship welding tools, in particular to a welding and overturning tool for a frame of a marine diesel engine.
Background
In the manufacturing process of the marine diesel engine frame, the diesel engine frame is mostly turned over by a travelling crane after being integrally assembled so as to realize deflection welding. The machine base and the machine frame need to be overturned for at least six times in the welding process, and the overturning work of the large structural part has larger safety risk.
The frame and the base part of the marine diesel engine are of an approximate cuboid structure, the mass is large, the size is large, a traveling crane is used for overturning in a construction site in the overturning process, the station is not fixed, more personnel are involved in the overturning process, and the overturning time is long; the traditional overturning tool is mostly suitable for workpieces in small factories and workshops, and a marine diesel engine frame and a base part with large mass can be subjected to posture adjustment when the traditional overturning tool is adopted, but are influenced by the gravity center when the posture is maintained, so that the adjusted posture is difficult to fix; in addition, in the process of overturning the diesel engine frame for the driving ship, the bearing capacity of the tool for supporting the rotating shaft is limited, so that the diameter of the supporting rotating shaft needs to be increased, the weight and the structural complexity of the tool are greatly increased, and the overturning requirement is difficult to meet.
SUMMERY OF THE UTILITY MODEL
The purpose of this application is to the defect that prior art exists, provides a marine diesel frame welding upset frock, sets up support wheelset and turning wheel, supports and drives the turning wheel through a plurality of supporting wheels that support on the wheelset, improves its bearing capacity, combines the mount that the turning wheel is connected, will treat welded workpiece symmetrical arrangement on the mount for whole focus position is in the turning wheel on-line, improves the efficiency that the gesture was maintained to the upset work piece.
In order to realize the purpose, the following technical scheme is adopted:
a welding and overturning tool for a marine diesel engine frame comprises a base, two supporting wheel sets and overturning wheels, wherein the two supporting wheel sets are arranged on the base at intervals, the supporting wheel sets are respectively matched with the overturning wheels capable of rotating around an axis, the two overturning wheels are coaxially arranged, and a fixing frame is connected between the two overturning wheels; the two sides of the fixing frame corresponding to the axis of the turnover wheel are respectively provided with a connecting piece and a positioning piece, and the fixing frame is used for matching the two sides of the fixing frame with the frame to be welded respectively and enabling the gravity centers of the fixing frame and the frame to be welded to be collinear with the axis of the turnover wheel.
Further, the mount includes crossbeam and longeron, and the upset wheel is connected to the longeron, is connected with the crossbeam of multichannel interval arrangement between the longeron that two upset wheels correspond, and connecting piece and setting element are installed on the crossbeam.
Furthermore, the connecting pieces and the positioning pieces are respectively provided with a plurality of groups, the connecting pieces on each beam are divided into a plurality of groups, all the groups of connecting pieces are arranged at intervals along the direction of the axis of the corresponding beam, and each group of connecting pieces are symmetrically arranged relative to the axis of the corresponding beam.
Furthermore, on the crossbeam that is provided with the setting element, a plurality of setting elements are arranged along crossbeam axial interval for the location structure of the frame that waits to weld of cooperation.
Furthermore, the supporting wheel group comprises a plurality of supporting wheels which are sequentially arranged at intervals along the circumferential direction of the turnover wheel, the outer ring of the turnover wheel on the outer ring of the supporting wheel is attached and driven, and all the supporting wheels of the same supporting wheel group are arranged on the base.
Furthermore, the supporting wheel set further comprises a driving wheel connected with a driving mechanism, and the outer ring of the driving wheel is matched with the outer ring of the supporting wheel and used for driving the supporting wheel to rotate around the axis of the supporting wheel under the action of the driving mechanism.
Further, the supporting wheel is annularly provided with a gear ring for matching with an external driving gear.
Further, the base is of a frame structure, a plurality of bearing seats are arranged on the base, and the supporting wheel set is installed on the base through corresponding wheel shafts matched with the bearing seats.
Furthermore, the base is provided with guide wheels, and two guide wheels which are arranged at intervals form a group and are respectively attached to two end faces of the turnover wheel.
Furthermore, each overturning wheel is matched with two groups of guide wheels which are arranged at intervals, and the two groups of guide wheels are symmetrically arranged relative to the axis of the overturning wheel.
Compared with the prior art, the application has the advantages and positive effects that:
(1) the problem of not enough to present upset frock bearing capacity sets up support wheelset and upset wheel, supports and drives the upset wheel through a plurality of supporting wheels on the support wheelset, improves its bearing capacity for the mount can drive and treat that the welding frame is stable to rotate the regulation gesture.
(2) Aiming at the problem that the posture of the turnover tool is difficult to adjust and maintain after the workpiece is installed, the turnover wheel is connected with the fixing frame to rotate together, the workpieces to be welded are symmetrically arranged on the fixing frame, the overall gravity center position is located on the axis of the turnover wheel, the gravity center is maintained on the axis of the turnover wheel in the turnover process, the turnover difficulty is reduced, and the efficiency of maintaining the posture of the turnover workpieces is improved.
(3) The turnover wheel is matched with the supporting wheel set to support, the stable supporting and limiting of the turnover wheel are realized by combining the limiting wheels on two sides, and the driving wheel drives the turnover wheel to stably rotate under the action of the driving mechanism, so that the aims of stably turning over a large-mass diesel engine frame, adjusting the posture and maintaining the large-mass diesel engine frame are fulfilled.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
Fig. 1 is a schematic view of the overall structure of a welding turnover device in embodiment 1 of the present application;
fig. 2 is a schematic side view of a welding turnover device in embodiment 1 of the present application.
In the figure, 1, a base, 2, a supporting wheel, 3, a gear ring, 4, a fixed frame, 5, a turnover wheel, 6, a longitudinal beam, 7, a guide wheel, 8, a driving mechanism, 9, a driving gear, 10, a rack, 11, a cross beam, 12, a connecting piece and 13, a positioning piece are arranged.
Detailed Description
Example 1
In a typical embodiment of the present application, as shown in fig. 1 to 2, a marine diesel engine frame welding turnover tool is provided.
According to the marine diesel engine frame 10 and the base part to be overturned, a special welding overturning tool for the marine diesel engine frame 10 is configured, and through improvement of a supporting structure and an overturning structure, the whole welding overturning tool can be suitable for overturning the marine diesel engine frame 10 with large volume and large mass.
Marine diesel engine frame 10 welding upset frock mainly includes base 1, support the wheelset, upset wheel 5, mount 4 and actuating mechanism 8, base 1 is as the bearing structure of main part, support the wheelset, actuating mechanism 8 installs on base 1, upset wheel 5 is connected mount 4 and is formed the outside tilting mechanism of treating welding frame 10 of bearing, upset wheel 5 is placed on supporting the wheelset, the drive wheel of actuating mechanism 8 joint support wheelset, thereby output torque drives and supports the wheelset rotation, support and drive action through supporting the wheelset, make upset wheel 5 drive treat welding frame 10 around 5 axes rotations of upset wheel.
Specifically, referring to fig. 1, two sets of support wheel sets are mounted on a base 1 at intervals, the support wheel sets are respectively matched with turnover wheels 5 capable of rotating around an axis, the two turnover wheels 5 are coaxial and arranged at intervals, and the middle of the two turnover wheels are connected through a fixed frame 4; the fixing frame 4 is combined with the two turning wheels 5, so that the turning wheels 5 and the fixing frame 4 can synchronously rotate, and the rack 10 to be welded on the fixing frame 4 is stably turned.
The fixing frame 4 is provided with a connecting piece 12 and a positioning piece 13, the connecting piece 12 can be connected with a connecting structure on the frame 10 to be welded, so that the frame 10 to be welded is assembled on the fixing frame 4, and the positioning piece 13 can position the matching process of the frame 10 to be welded and the fixing frame 4, so that the fixing frame 4 and the frame 10 to be welded can be accurately and stably matched.
The two sides of the fixed frame 4, which are opposite to the axis of the turnover wheel 5, are matched with the frames 10 to be welded, so that the load on the fixed frame 4 is uniformly distributed, and the gravity center of the fixed frame 4 and the overall frames 10 to be welded can be collinear with the axis of the turnover wheel 5 by adjusting the positions of the connecting piece 12 and the positioning piece 13.
To the problem that the posture is difficult to adjust and maintain after the workpiece is installed on the turnover tool, the turnover wheel 5 is connected with the fixing frame 4 to rotate together, workpieces to be welded are symmetrically arranged on the fixing frame 4, the overall gravity center position is located on the axis of the turnover wheel 5, the gravity center is maintained on the axis of the turnover wheel 5 in the turnover process, the turnover difficulty is reduced, and the efficiency of maintaining the posture of the turnover workpieces is improved.
The fixing frame 4 is of a frame structure integrally and comprises cross beams 11 and longitudinal beams 6, the turning wheels 5 are connected with the longitudinal beams 6, the two turning wheels 5 correspond to the two groups of longitudinal beams 6, a plurality of cross beams 11 are connected between the two groups of longitudinal beams 6, and the plurality of cross beams 11 are arranged at intervals; the strength of the whole structure of the fixing frame 4 can be improved by the structure of the cross beam 11 and the longitudinal beam 6.
As shown in fig. 1, the beam 11 is mounted on the turnover wheel 5 and can rotate along with the turnover wheel 5, so as to drive the beam 11 to rotate; in order to lighten the whole weight of the fixing frame 4 and reduce the difficulty of overturning the fixing frame 4, the cross beam 11 can be selected from steel pipes or I-shaped steel structures, each group of longitudinal beams 6 comprises a plurality of longitudinal beams, on one hand, the connecting position can be provided for the cross beam 11, on the other hand, the structure of the overturning wheel 5 can be reinforced, the strength of the overturning wheel 5 is ensured, and the deformation of the overturning wheel 5 in the working process is reduced.
It can be understood that, in order to make the position of the rack 10 to be welded connected to the fixed frame 4 meet the requirement of the center of gravity, the positions of the connecting piece 12 and the positioning piece 13 on the fixed frame 4 are configured; the connecting pieces 12 and the positioning pieces 13 are respectively provided with a plurality of connecting pieces 12, the connecting pieces 12 on each cross beam 11 are divided into a plurality of groups, all the groups of connecting pieces 12 are arranged at intervals along the axial direction of the corresponding cross beam 11, and each group of connecting pieces 12 is symmetrically arranged relative to the axial direction of the corresponding cross beam 11.
For the positioning piece 13, on the beam 11 provided with the positioning piece 13, a plurality of positioning pieces 13 are arranged at intervals along the axial direction of the beam 11 and used for matching with the positioning structure of the rack 10 to be welded.
Because the gravity center positions of different workpieces to be welded are different, the common gravity center position of the workpieces to be welded and the fixed frame 4 is different after the workpieces to be welded are installed on the fixed frame 4, and the workpieces to be welded can be adjusted by changing the connection position; configuring a plurality of groups of connecting pieces 12, wherein each group of connecting pieces 12 corresponds to one type of stand 10 to be welded, and when a certain type of stand 10 to be welded is subjected to welding processing, selecting a proper connecting position to enable the position to meet the gravity center distribution requirement; when changing the type of the stand 10 to be welded, another connection position is selected so that the position of the new stand 10 to be welded can satisfy the gravity center distribution requirement.
It can be understood that each set of connecting members 12 is matched with a corresponding positioning mechanism corresponding to the connecting position, so that the positioned frame 10 to be welded can meet the requirement of gravity center distribution.
In addition, in order to avoid interference of excessive connecting pieces 12 during assembly of the frames 10 to be welded, the transverse beam 11 and the longitudinal beam 6 are detachably connected, and a plurality of connecting positions are arranged on the longitudinal beam 6, so that the relative positions of the transverse beam 11 and the longitudinal beam 6 are changed, the number of adjustable positions of the transverse beam 11 and the longitudinal beam 6 is increased, and the frames 10 to be welded are suitable for different models.
Specifically, when in use, the position of the lower beam 11 is adjusted according to the model of the rack 10 to be welded, the rack 10 or the base is placed on the bottom beam 11, and then the rack 10 to be welded is completely constrained on the bottom beam 11 by the connecting piece 12; and then hoisting the beam 11 above to the top of the frame 10, and fixing the beam through a connecting piece 12, so that the fixing frame 4 and the frame 10 to be welded are fixed and integrated.
Further, to the cooperation structure of upset wheel 5, support wheelset, support the wheelset and include along 5 rings of upset wheel a plurality of supporting wheels 2 of interval arrangement in proper order, the laminating transmission of 2 outer lane upset wheels 5 outer lanes of supporting wheel, all supporting wheels 2 of same support wheelset are all installed on base 1.
To the not enough problem of present upset frock bearing capacity, set up support wheelset and upset wheel 5, support and drive upset wheel 5 through a plurality of supporting wheel 2 on the supporting wheelset, support from a plurality of positions, compare in traditional pivoted axle and hold, can improve its bearing capacity for treat welding machine frame 10 steady rotation regulation gesture.
It can be understood that the outer circumferential surface of the supporting wheel 2 is a smooth surface, and the outer circumferential surface of the turnover wheel 5 is also a smooth surface, so that the supporting wheel and the turnover wheel can perform stable transmission.
In order to realize the rotation drive of the supporting wheel 2, the supporting wheel set further comprises a driving wheel connected with a driving mechanism 8, the outer ring of the driving wheel is matched with the outer ring of the supporting wheel 2, and the supporting wheel 2 is driven to rotate around the axis of the supporting wheel under the action of the driving mechanism 8.
The supporting wheel 2 is annularly provided with a gear ring 3 which is used for matching with an external driving gear 9; the driving mechanism 8 adopts a stepping motor or a hydraulic motor, an output shaft of the driving mechanism is matched with a driving wheel to be a driving gear 9, and the driving gear 9 is meshed with the gear ring 3, so that the supporting wheel 2 is driven to rotate relative to the axis of the supporting wheel.
It can be understood that the structure of the gear ring 3 on the supporting wheel 2 and the supporting wheel set are arranged in an avoiding way, so that the interference between the gear ring 3 and the supporting wheel 2 is avoided, and the gear ring 3 can axially extend to the outer side along the turnover wheel 5, so that the gear ring is conveniently matched with the driving gear 9.
Further, as shown in fig. 2, guide wheels 7 are mounted on the base 1, and two guide wheels 7 arranged at intervals form a group and are respectively attached to two end faces of the turnover wheel 5;
each turning wheel 5 is matched with two groups of guide wheels 7 which are arranged at intervals, and the two groups of guide wheels 7 are symmetrically arranged relative to the axis of the turning wheel 5.
Through the configuration of leading wheel 7, upset wheel 5 cooperation has the support wheelset to support, combines the spacing wheel of both sides, realizes stablely supporting spacingly to upset wheel 5, and under actuating mechanism 8's effect, the drive wheel drives the steady rotation of upset wheel 5, reaches the purpose with the stable upset of diesel engine frame 10 of big mass, adjustment gesture and maintenance.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A welding and overturning tool for a marine diesel engine frame is characterized by comprising a base, two supporting wheel sets and overturning wheels, wherein the two supporting wheel sets are arranged on the base at intervals, the supporting wheel sets are respectively matched with the overturning wheels capable of rotating around an axis, the two overturning wheels are coaxially arranged, and a fixing frame is connected between the two overturning wheels; the two sides of the fixing frame corresponding to the axis of the turnover wheel are respectively provided with a connecting piece and a positioning piece, and the fixing frame is used for matching the two sides of the fixing frame with the frame to be welded respectively and enabling the gravity centers of the fixing frame and the frame to be welded to be collinear with the axis of the turnover wheel.
2. The marine diesel engine frame welding turnover tool of claim 1, wherein the fixing frame comprises a cross beam and longitudinal beams, the longitudinal beams are connected with the turnover wheels, a plurality of cross beams arranged at intervals are connected between the longitudinal beams corresponding to the two turnover wheels, and the connecting piece and the positioning piece are installed on the cross beams.
3. The marine diesel engine frame welding turnover tool of claim 2, characterized in that the connecting pieces and the positioning pieces are respectively provided in plurality, the connecting pieces on each cross beam are divided into a plurality of groups, all the groups of connecting pieces are arranged at intervals along the axial direction of the corresponding cross beam, and each group of connecting pieces are symmetrically arranged relative to the corresponding axial direction of the cross beam.
4. The marine diesel engine frame welding turnover tool as set forth in claim 1 or 2, wherein a plurality of positioning members are arranged on the cross beam provided with the positioning members at intervals along the axial direction of the cross beam, and are used for matching with the positioning structures of the frames to be welded.
5. The welding turnover tool for the marine diesel engine frame as claimed in claim 1, wherein the support wheel set comprises a plurality of support wheels sequentially arranged at intervals along the circumferential direction of the turnover wheel, the outer rings of the turnover wheels on the outer rings of the support wheels are attached for transmission, and all the support wheels of the same support wheel set are mounted on the base.
6. The marine diesel engine frame welding turnover tool of claim 5, wherein the support wheel set further comprises a drive wheel connected with a drive mechanism, and an outer ring of the drive wheel is matched with an outer ring of the support wheel and used for driving the support wheel to rotate around an axis thereof under the action of the drive mechanism.
7. The marine diesel engine frame welding turnover tool of claim 5 or 6, characterized in that the supporting wheel is annularly provided with a gear ring for matching with an external driving gear.
8. The welding and overturning tool for the marine diesel engine frame as claimed in claim 1, wherein the base is of a frame structure, a plurality of bearing seats are arranged on the base, and the supporting wheel set is mounted on the base by matching the corresponding wheel shafts with the bearing seats.
9. The welding turnover tool for the marine diesel engine frame as set forth in claim 1, wherein the base is provided with guide wheels, and two guide wheels arranged at intervals form a group and are respectively attached to two end faces of the turnover wheel.
10. The marine diesel engine frame welding turnover tool of claim 9, wherein each turnover wheel is fitted with two sets of guide wheels arranged at intervals, and the two sets of guide wheels are symmetrically arranged relative to the axis of the turnover wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121702332.6U CN215146330U (en) | 2021-07-22 | 2021-07-22 | Marine diesel engine frame welding upset frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121702332.6U CN215146330U (en) | 2021-07-22 | 2021-07-22 | Marine diesel engine frame welding upset frock |
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| Publication Number | Publication Date |
|---|---|
| CN215146330U true CN215146330U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121702332.6U Active CN215146330U (en) | 2021-07-22 | 2021-07-22 | Marine diesel engine frame welding upset frock |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115818119A (en) * | 2022-11-25 | 2023-03-21 | 上海科大重工集团有限公司 | But automatically regulated belt conveyor turns over belting |
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2021
- 2021-07-22 CN CN202121702332.6U patent/CN215146330U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115818119A (en) * | 2022-11-25 | 2023-03-21 | 上海科大重工集团有限公司 | But automatically regulated belt conveyor turns over belting |
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Address after: No. 501, Lijiang East Road, economic and Technological Development Zone, Qingdao, Shandong 266520 Patentee after: China Shipbuilding Industry Corporation Diesel ENGINE Co.,Ltd. Address before: No. 501, Lijiang East Road, economic and Technological Development Zone, Qingdao, Shandong 266520 Patentee before: CHINA SHIPBUILDING INDUSTRY CORPORATION DIESEL ENGINE Co.,Ltd. |