CN216829613U - Novel production line for excavator movable arm steel pipe - Google Patents
Novel production line for excavator movable arm steel pipe Download PDFInfo
- Publication number
- CN216829613U CN216829613U CN202220116222.XU CN202220116222U CN216829613U CN 216829613 U CN216829613 U CN 216829613U CN 202220116222 U CN202220116222 U CN 202220116222U CN 216829613 U CN216829613 U CN 216829613U
- Authority
- CN
- China
- Prior art keywords
- pipe
- limiting
- clamping
- welding
- steel pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The application discloses a novel production line for excavator movable arm steel pipes, which comprises a horizontal spot welding mechanism, a vertical welding mechanism, an acid pickling and phosphorizing mechanism, a pipe bending mechanism and a transfer trolley; the horizontal spot welding mechanism comprises a limiting tool and a spot welding machine, and the vertical welding mechanism comprises a welding platform, a second fixing piece, a second limiting piece and a welding device; the acid pickling and phosphorizing mechanism comprises a bearing frame, a treatment pool and a power part; the pipe bending mechanism is provided with a special clamping assembly which comprises a driving part and a clamping part, wherein the clamping part can surround a clamping space, and the driving part can drive the clamping part to move towards the center direction of the clamping space so as to clamp a flange of a third pipe fitting; the transfer trolley is used for transferring the steel pipes, and the steel pipes sequentially pass through the blanking mechanism, the horizontal spot welding mechanism, the vertical welding mechanism, the acid pickling and phosphorizing mechanism and the pipe bending mechanism under the conveying of the transfer trolley. Through the arrangement of the application, the novel production line of the large steel pipe which is convenient for production organization, favorable for product quality stabilization and high efficiency is provided.
Description
Technical Field
The application belongs to the technical field of excavator part production, especially relates to a novel production line for excavator swing arm steel pipe.
Background
A movable arm steel pipe of the excavator is an indispensable important auxiliary part in a hydraulic system of the hydraulic excavator, and along with the research and development of various hydraulic excavators, the overall length or bending angle of the oil pipe is continuously changed, so that great obstacles are caused to production organizations of welding, storage, pickling, phosphorization and the like of the oil pipe.
At present, the conventional machining process for the movable arm steel pipe of the excavator is blanking, bending, vertical welding and phosphating, but due to the characteristics of the oil pipe (such as large length, large bending radian, irregular shape and heavy pipe weight) and the like, the product needs to be hoisted by a travelling crane and moved by a special tool trolley in the welding process, pickling and phosphating, temporary storage or spare part storage, and particularly, other manual discontinuous matching needs to be assisted in the processes of spot welding, phosphating framing and the like in the production process, so that the efficiency is extremely low. Moreover, after the oil pipe is bent, the welding stability of the flange at the end part of the oil pipe is poor, and the welding quality has hidden troubles; in addition, after the welding, oil pipe is unfavorable for putting, dress frame inefficiency, because there is the hydrops inside the department of bending of oil pipe, leads to the return bend easy emergence corrosion, influences inside cleanliness. Therefore, there is a need for improvements to existing production processes.
The invention provides a welding device and a processing technology (202010909335.0) for a flange and a bent pipe of an overlong pipe, wherein the welding device is provided with a rotating motor for driving a rotating flange to rotate and a rotating flange seat. However, the invention only provides specific innovation for welding, but the innovative welding method still has the problems of complex welding device and difficult adjustment, assembly and welding; in addition, because the existing pipe bender can only bend straight pipes without flanges generally, and the tail of an ultra-long pipe with flanges at two ends cannot be clamped, the automatic bending of equipment is difficult to realize, therefore, even if the flange bending welding of the ultra-long pipe is successful, the movable arm steel pipe of some excavators is more than 5m, long in length, various in variety, and free of special pipe bending equipment and tools, and the large-batch bending forming and the stable bending quality of the steel pipes with flanges are difficult to realize only by 'performing bending treatment on the oil pipe in a straight pipe state by cold bending or hot pushing'.
In order to solve the problems, the invention mainly solves the problems that the existing spot welding tool for the ultralong pipe is complex, the vertical welding is difficult, the ultralong pipe with flanges at two ends is difficult to bend and form quickly and the like, and provides a novel production line for the excavator movable arm steel pipe on the basis of overcoming the problems so as to solve the problems of the existing production line for excavator movable arm bent pipes.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel production line for excavator swing arm steel pipe to solve at least one among the above-mentioned technical problem.
In order to achieve the purpose, the utility model provides a novel production line for excavator swing arm steel pipe, including horizontal spot welding mechanism, vertical welding mechanism, pickling bonderizing mechanism, return bend mechanism and transportation dolly. The horizontal spot welding mechanism comprises a limiting tool and a spot welding machine, the limiting tool comprises a base, a first fixing piece, a supporting piece and a first limiting piece, and the base is horizontally arranged; the first fixing pieces are arranged at two ends of the base and used for clamping the flange; the supporting piece is arranged on the base and used for supporting the steel pipe so as to ensure the connecting height of the two ends of the steel pipe and the flange; the spot welding machine can connect the steel pipe and the flange through spot welding to form a first pipe fitting; the vertical welding mechanism comprises a welding platform, a second fixing piece, a second limiting piece and a welding device; the second fixing piece is arranged on the welding platform and used for clamping a flange positioned at one end of the first pipe fitting, the second limiting piece and the welding platform are arranged vertically to each other, and the second limiting piece is used for keeping the vertical posture of the first pipe fitting; the welding device is arranged on the welding platform and can rotate around the first pipe fitting so as to weld and repair the welding joint of the steel pipe of the first pipe fitting and the flange spot welding part completely to form a second pipe fitting; the pickling and phosphating mechanism comprises a bearing frame, a treatment pool and a power piece, wherein the plurality of second pipe fittings can be obliquely arranged on the bearing frame, and the power piece drives the bearing frame to move along the horizontal direction or the vertical direction of the treatment pool so as to ensure that the second pipe fittings are subjected to pickling and phosphating to form third pipe fittings; the pipe bending mechanism comprises a working platform and a clamping assembly, and the clamping assembly is arranged above the working platform; the clamping assembly comprises a driving part and a clamping part, the clamping part can surround a clamping space, and the driving part can drive the clamping part to move towards the center direction of the clamping space so as to clamp the flange of the third pipe fitting; the transfer trolley is used for transferring the steel pipes, and the steel pipes sequentially pass through the blanking mechanism, the horizontal spot welding mechanism, the vertical welding mechanism, the acid pickling phosphating mechanism and the pipe bending mechanism under the conveying of the transfer trolley.
According to the method, the transfer trolley sequentially passes through the blanking mechanism, the horizontal spot welding mechanism, the vertical welding mechanism, the acid pickling phosphating mechanism and the pipe bending mechanism, so that the steel pipe always keeps a straight pipe state in the production process among the mechanisms after the overlong straight steel pipe is subjected to inspection blanking, and the limiting tool of the horizontal spot welding mechanism can be used for length inspection after the straight pipe is blanked by pre-placing two flanges at the end part of the limiting tool of the horizontal spot welding mechanism; on the limiting tool of the horizontal spot welding mechanism, the independent spot welding work is convenient to realize, auxiliary personnel are reduced, and manpower is saved; because the pipe fitting still keeps the straight pipe state after spot welding, compared with the welding of a welding bent pipe and a flange, the welding of the straight pipe and the flange is convenient for fixing and clamping a steel pipe, and the welding stability and the higher welding quality of the flange at the end part are convenient to ensure; after the welding is accomplished, carry out the pickling bonderizing, compare in carrying out the pickling bonderizing to the return bend, the steel pipe of being convenient for is put to bearing the frame, the quantity promotion of straight tube bonderizing dress frame is at least more than twofold, the discharge time of the inside acidizing fluid of pipe fitting shortens greatly, improve pickling bonderizing efficiency, and simultaneously, this application can set up in bearing the frame through making a plurality of second pipe fittings slope, in the pickling bonderizing in-process, the liquid of the pickling bonderizing of being convenient for relies on self gravity to flow out, avoid liquid to remain quality accidents such as the corruption that causes the steel pipe. Through the setting of this application, a novel production line for excavator swing arm steel pipe that production efficiency is high, production quality is good is provided.
In preferred implementation, first mounting includes fixed plate and first limiting plate, and the fixed plate is fixed in the base, and first limiting plate sets up in the fixed plate, and two at least first limiting plate form the spacing groove with flange mutual adaptation. This application forms the spacing groove with the mutual adaptation of flange through the setting of first limiting plate, has played certain limiting displacement to the flange, avoids rocking the influence spot welding quality at spot welding in-process flange, simultaneously, has also guaranteed both ends flange relative position reliably, provides the guarantee for the implementation of follow-up special return bend programming of return bend mechanism.
In a preferred implementation manner, the first limiting members are provided with at least two along the base, each first limiting member includes a clamping plate, and the clamping plates are disposed on two sides of the base. This application just sets up in the both sides of base through the grip block through the setting of first locating part, can play limiting displacement to the steel pipe horizontal direction, avoids the steel pipe to make a round trip to rock too big along the horizontal direction.
In a preferred implementation mode, the second fixing piece comprises a cylindrical supporting platform and a limiting joint, the cylindrical supporting platform is provided with a matching portion matched with the limiting joint in a mutually matched mode, the limiting joint is provided with a connecting portion, and the connecting portion is connected with the flange of the end portion of the first pipe fitting in a mutually connected mode. This application can be through the flange mutual adaptation of the first pipe fitting tip of spacing joint and multiple different models through the setting of spacing joint.
In a preferred implementation manner, the second limiting part includes a first clamping block, a second clamping block and a pneumatic cylinder, the first clamping block is provided with a first limiting groove, the second clamping block is provided with a second limiting groove, and the pneumatic cylinder can drive the first clamping block and the second clamping block to move along the horizontal direction to clamp the second pipe fitting. This application can play centre gripping and spacing effect to the second pipe fitting through the setting of first grip block and second grip block.
In preferred implementation, the drive division sets up to the pneumatic cylinder, and the clamping part includes movable tube, walking pole and third grip block, and the tip slope of movable tube sets up, and the drive end of pneumatic cylinder passes the movable tube and links to each other with the walking pole, and the walking pole links to each other with the third grip block. This application sets up through the tip slope with the activity pipe, and when the drive end passed through the walking pole and drives third grip block along the horizontal direction removal, the shrink that can realize the third grip block was with the flange of centre gripping third pipe fitting.
In a preferred implementation mode, the clamping portion further comprises a moving block and a connecting rod, the walking rod is connected with the moving block, the moving block is hinged to the connecting rod, and the third clamping block is fixed to the connecting rod.
In a preferred implementation manner, the bearing frame comprises a bearing frame, a protective net and limiting columns, the protective net is arranged around the side wall of the bearing frame, the limiting columns penetrate through one side of meshes of the protective net and extend towards the other side of the protective net, and a limiting space of a second pipe fitting is formed between every two adjacent limiting columns.
In a preferred implementation mode, the height difference exists between the limiting spaces between two adjacent limiting columns along the vertical direction. According to the pickling line, the height difference is arranged in the limiting space between two adjacent limiting columns along the vertical direction, so that the second pipe fitting is obliquely arranged on the bearing frame, and the pickling liquid can flow out along with gravity.
In a preferred implementation, the body length of the pipe bending mechanism is greater than the length of the second pipe. This application sets up the fuselage length through pipe bending mechanism for being greater than the length of second pipe fitting, can realize the crooked of the steel pipe of flanged any position, avoids being not enough because of pipe bending mechanism's fuselage length, and the part apart from second pipe fitting flange end is difficult to buckle to reach the curved system demand of flanged of multiple specification long tube.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the application and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the limiting tool provided in the embodiment of the present application;
FIG. 2 is a schematic structural diagram of the vertical welding mechanism provided in the embodiments of the present application;
FIG. 3 is a schematic structural diagram of the spacing joint provided in the embodiments of the present application;
FIG. 4 is a schematic view of a structure of the carrier provided in an embodiment of the present application;
FIG. 5 is a schematic view of a structure of the carrier provided in an embodiment of the present application;
FIG. 6 is a schematic structural diagram of the clamping assembly provided in the embodiments of the present application;
fig. 7 is a logic framework schematic diagram of a novel production line for excavator boom steel pipes according to an embodiment of the present application.
Description of reference numerals:
101. limiting the tool; 1011. a base; 1012. a fixing plate; 1013. a first limit plate; 1014. a clamping plate; 1015 a support member;
2. a vertical welding mechanism; 201. welding a platform; 202. a second fixing member; 2021. a cylindrical support platform; 2022. a limiting joint; 2023. a connecting portion; 203. a second limiting member; 2031. a first clamping block; 2032. a second clamping block; 204. a welding device;
301. a carrier; 3011. a bearing frame; 3012. a protective net; 3013. a limiting column; 3014. a limiting space;
401. a clamping assembly; 4011. a movable tube; 4012. a walking rod; 4013. a third clamping block; 4014. a moving block; 4015. a connecting rod;
5. a first pipe member.
Detailed Description
In order to more clearly explain the overall concept of the present invention, the following detailed description is given by way of example in conjunction with the accompanying drawings.
It should be noted that in the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, it should be understood that the terms "upper", "lower", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. However, the direct connection means that the two bodies are not connected to each other by the intermediate structure but connected to each other by the connecting structure to form a whole. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The description in this application as relating to "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.
As shown in fig. 1-7, the utility model provides a novel production line for excavator swing arm steel pipe, including horizontal spot welding mechanism, vertical welding mechanism 2, pickling bonderizing mechanism, return bend mechanism and transportation dolly. The horizontal spot welding mechanism comprises a limiting tool 101 and a spot welding machine, the limiting tool 101 comprises a base 1011, a first fixing part, a supporting part 1015 and a first limiting part, and the base 1011 is horizontally arranged; the first fixing pieces are arranged at two ends of the base 1011 and used for clamping the flange; the support member 1015 is arranged on the base 1011, and the support member 1015 is used for supporting the steel pipe so as to ensure the connection height between the two ends of the steel pipe and the flange; the first limiting piece is arranged on the base 1011 and used for limiting the displacement of the steel pipe in the horizontal direction, and the spot welding machine can connect the steel pipe and the flange through spot welding to form a first pipe fitting 5; the vertical welding mechanism 2 comprises a welding platform 201, a second fixing part 202, a second limiting part 203 and a welding device 204; the second fixing member 202 is arranged on the welding platform 201 and used for clamping a flange at one end of the first pipe 5, the second limiting member 203 and the welding platform 201 are arranged vertically, and the second limiting member 203 is used for maintaining the vertical posture of the first pipe 5; the welding device 204 is arranged on the welding platform 201 and can rotate around the first pipe fitting 5 so as to weld and repair the steel pipe of the first pipe fitting 5 and the welding seam at the flange spot welding position completely to form a second pipe fitting; the acid pickling and phosphating mechanism comprises a bearing frame 301, a treatment pool and a power piece, wherein the plurality of second pipe fittings can be obliquely arranged on the bearing frame 301, the power piece drives the bearing frame 301 to move along the horizontal direction or the vertical direction of the treatment pool so as to enable the second pipe fittings to form a third pipe fitting through acid pickling and phosphating, in specific implementation, the power piece comprises a walking track and a hoisting frame, the hoisting frame is connected with the bearing frame 301, and the hoisting frame can drive the bearing frame 301 to move along the horizontal direction or the vertical direction of the treatment pool; the pipe bending mechanism comprises a working platform and a clamping assembly 401, and the clamping assembly 401 is arranged above the working platform; the clamping assembly 401 comprises a driving part and a clamping part, the clamping part can surround a clamping space, and the driving part can drive the clamping part to move towards the center direction of the clamping space so as to clamp the flange of the third pipe; the transfer trolley is used for transferring the steel pipes, and the steel pipes sequentially pass through the blanking mechanism, the horizontal spot welding mechanism, the vertical welding mechanism 2, the acid pickling and phosphorizing mechanism and the pipe bending mechanism under the conveying of the transfer trolley.
In the actual use process, as shown in fig. 7, the steel pipe is subjected to the steps of blanking, inspection, spot welding, vertical welding, acid pickling and phosphorization, pipe bending and the like in sequence:
step 1, blanking, namely, setting the blanking of a numerical control cutting machine for calculating the length;
step 3, spot welding, namely spot welding and fixing the flange joints at the two ends on the limiting tool 101 by using a straight pipe qualified in first inspection through a spot welding machine to form a first pipe fitting 5; the first pipe fitting 5 on the taking-off limiting tool 101 is placed on a transfer trolley;
step 4, performing spot welding in batches, preparing the straight pipes and the corresponding flange joints at the two ends, and repeating the step 3 by using the limiting tool 101 and the spot welding machine;
step 6, vertical welding;
step 6.1, fixing one end of the steel pipe assembly on a welding machine through a second fixing piece 202, extending the other end of the steel pipe assembly into the air, fixing and limiting the straight pipe part of the steel pipe assembly through a second limiting piece 203 of the vertical welding machine, adjusting the position of a welding device 204, and starting the welding device 204 to perform spin welding;
6.2, after one end is welded, checking, turning around and welding the other end, and repeating the step 6.1;
6.3, checking the quality of the welding seam, forming a second pipe fitting after the welding seam is qualified, and putting the second pipe fitting into a transfer trolley;
step 7, framing, namely, putting the second pipe fitting in the transfer trolley into the bearing frame 301 in an inclined state that one end of the second pipe fitting is higher and the other end of the second pipe fitting is lower and forms an angle of about 30 degrees with the horizontal plane, and particularly, putting a flange joint at one end, preferably the lower end, of the second pipe fitting, which is used for clamping the pipe bending mechanism, at one end so as to facilitate clamping of the bent pipe;
step 8, acid cleaning and phosphorizing, cleaning the inner surface and the outer surface of the second pipe fitting through chemical and electrochemical reactions, and forming a phosphorized film to form a third pipe fitting;
9, transferring, namely transferring the dried whole phosphatized steel pipe welding piece to special lengthened elbow equipment;
step 10, bending the pipe;
step 10.1, clamping, namely clamping one end of the steel pipe welding piece by using a clamping assembly 401;
step 10.2, calling a bent pipe program, calling out the bent pipe program which is debugged and verified, and performing first-detection bending;
step 10.3, checking, namely putting the bent and formed pipe fitting into a special tool for checking; after the product is qualified, putting the product on a finished product packaging frame;
step 10.4, repeating the pipe bending procedure according to the quantity of sales requirements to finish the supply of small batches of requirements;
and step 10.5, warehousing and storing the residual steel pipe welding piece in the straight pipe form.
From the above description, it can be seen that the utility model discloses following technological effect is realized:
according to the method, the transfer trolley sequentially passes through the blanking mechanism, the horizontal spot welding mechanism, the vertical welding mechanism 2, the acid pickling phosphating mechanism and the pipe bending mechanism, so that the steel pipe always keeps a straight pipe state in the production process among all mechanisms after the overlong straight steel pipe is subjected to inspection blanking, and the limiting tool 101 of the horizontal spot welding mechanism can be used for length inspection after the straight pipe is blanked by pre-placing two flanges at the end part of the limiting tool 101 of the horizontal spot welding mechanism; on a limiting tool 101 of the horizontal spot welding mechanism, independent spot welding work is convenient to realize, and auxiliary personnel are reduced; because the pipe fitting still keeps the straight pipe state after spot welding, compared with the welding of a welding bent pipe and a flange, the welding of the straight pipe and the flange is convenient for fixing and clamping a steel pipe, and the welding stability and the higher welding quality of the flange at the end part are convenient to ensure; after the welding is accomplished, carry out the pickling bonderizing, compare in carrying out the pickling bonderizing to the return bend, the steel pipe of being convenient for is put to bearing 301, the quantity promotion of straight tube bonderizing dress frame is at least more than twofold, the exhaust time of the inside acidizing fluid of pipe fitting shortens greatly, improve pickling bonderizing efficiency, and simultaneously, this application can set up in bearing 301 through making a plurality of second pipe fittings slope, at the pickling bonderizing in-process, the liquid of the pickling bonderizing of being convenient for relies on self gravity to flow out, avoid liquid to remain quality accidents such as the corruption that causes the steel pipe. Through the setting of this application, a novel production line for excavator swing arm steel pipe that production efficiency is high, production quality is good is provided.
When the system is specifically implemented, the pipe bending mechanism is provided with a pipe bending program, the pipe bending program which is debugged and verified is called out by calling the pipe bending program, the first-inspection bending system is carried out, the problem that special debugging is needed for each time of production replacement in the prior art is reduced, the problem that 2-3 debugging rejection rates are allowed in each time of debugging in the prior art is avoided, the debugging period is greatly prolonged, waste is reduced, and good stability and consistency of the quality of each batch of products are guaranteed.
In one embodiment, as shown in fig. 1, the first fixing element includes a fixing plate 1012 and a first limiting plate 1013, the fixing plate 1012 is fixed on the base 1011, the first limiting plate 1013 is disposed on the fixing plate 1012, and at least two first limiting plates 1013 form a limiting groove adapted to the flange. This application forms the spacing groove with the mutual adaptation of flange through the setting of first limiting plate 1013, has played certain limiting displacement to the flange, avoids rocking the influence spot welding quality at spot welding in-process flange.
In one embodiment, as shown in fig. 1, at least two first limiting members are disposed along the base 1011, the first limiting members include a clamping plate 1014, and the clamping plate 1014 is disposed on two sides of the base 1011. This application just sets up in the both sides of base 1011 through the grip block 1014 through the setting of first locating part, can play limiting displacement to the steel pipe horizontal direction, avoids the steel pipe to make a round trip to rock along the horizontal direction.
In one embodiment, as shown in fig. 1, the length or width of the base 1011 on the position-limiting tool 101 of the horizontal spot welding mechanism can be changed to position-limiting tools 101 with different specifications according to the length or diameter of the bent pipe, and the clamping plate 1014 and the support 1015 of the corresponding first position-limiting member are also changed according to the diameter of the bent pipe; the first fixing element, including the fixing plate 1012 and the first limit plate 1013, of the limit tool 101 is changed according to the angle of the flange at the end of the bent pipe after the bent pipe is straightened.
In one embodiment, as shown in fig. 2 to 3, the second fixing element 202 comprises a cylindrical supporting platform 2021 and a limit joint 2022, the cylindrical supporting platform 2021 is provided with a matching portion matching with the limit joint 2022, the limit joint 2022 is provided with a connecting portion 2023, and the connecting portion 2023 and the flange of the second pipe element are connected with each other. This application passes through spacing joint 2022's setting, can be through the flange mutual adaptation of spacing joint 2022 and multiple different models. As shown in fig. 3, the limit connector 2022 can be fixedly connected by bolts through bolt holes arranged on the limit connector 2022 and threaded holes on the cylindrical support platform 2021, wherein the bolts are preferably hexagon socket head cap bolts of M10 or M12; and the connecting part 2023 is arranged to be a truncated cone protrusion, the side wall of the truncated cone protrusion is obliquely arranged, and the inclination angle is 15 degrees optimal, so that the inner hole of the flange at the end part of the second pipe fitting can be conveniently positioned and inserted. When the concrete implementation, the cooperation portion that cylindrical support platform 2021 set up can set up to a screw thread fixed orifices or a screw thread fixed orifices and fixed slot combination, and screw thread fixed orifices and spacing joint 2022 pass through bolt fixed connection, and the fixed slot that cylindrical support platform 2021 set up can set up to round hole or circular slot or square groove for the location of installation screw hole when changing different spacing joints 2022 makes things convenient for the location installation of spacing joint 2022, this moment spacing joint 2022 bottom also can set up corresponding locating hole or constant head tank.
In one embodiment, as shown in fig. 2, the second limiting member 203 includes a first clamping block 2031, a second clamping block 2032, and a pneumatic cylinder, wherein the first clamping block 2031 is provided with a first limiting groove, the second clamping block 2032 is provided with a second limiting groove, and the pneumatic cylinder can drive the first clamping block 2031 and the second clamping block 2032 to move along the horizontal direction to clamp the second pipe. This application can play centre gripping and spacing effect to the second pipe fitting through the setting of first grip block 2031 and second grip block 2032. When concrete implementation, first spacing groove sets up to V type groove, the steel pipe can be spacing in the V-arrangement inslot, and the second spacing groove sets up to half circular groove, and when first grip block 2031 and second grip block 2032 move in opposite directions, half circular groove is spacing the second pipe fitting between half circular groove and V-arrangement groove.
In one embodiment, the driving part is provided as a hydraulic cylinder (not shown), as shown in fig. 6, the clamping part comprises a movable pipe 4011, a walking rod 4012 and a third clamping block 4013, the end part of the movable pipe 4011 is obliquely arranged, the driving end of the hydraulic cylinder passes through the movable pipe 4011 and is connected with the walking rod 4012, and the walking rod 4012 is connected with the third clamping block 4013. This application sets up through the tip slope with movable pipe 4011, and when the drive end passed through walking pole 4012 and drives third grip block 4013 and remove along the horizontal direction, can realize the shrink of third grip block 4013 with the flange of centre gripping third pipe fitting.
In one embodiment, as shown in fig. 6, the clamping portion further includes a moving block 4014 and a connecting rod 4015, the walking rod 4012 is connected to the moving block 4014, the moving block 4014 is hinged to the connecting rod 4015, and the third clamping block 4013 is fixed to the connecting rod 4015.
In one embodiment, as shown in fig. 4 and 5, the carrier 301 includes a carrier frame 3011, a protection net 3012, and limiting posts 3013, the protection net 3012 is disposed around a side wall of the carrier frame 3011, the limiting posts 3013 extend to the other side of the protection net 3012 through one side of meshes of the protection net 3012, and a limiting space 3014 of a second tube is formed between two adjacent limiting posts 3013.
In one embodiment, as shown in fig. 4 and 5, the limiting space 3014 between two adjacent limiting posts 3013 has a height difference in the vertical direction. This application sets up the difference in height through the spacing space 3014 that will be located between two adjacent spacing posts 3013 along vertical direction, can make the slope of second pipe fitting set up in bearing frame 3011 to the pickle flow along with the gravity. Of course, those skilled in the art can understand that after the second pipe is stacked on the bearing frame 3011, the second pipe and the limiting column 3013 can be tied up by using 0.5-1 mm iron wires, so as to ensure that the horizontal included angle between the second pipe and the bottom of the bearing frame 3011 is about 30 degrees, and liquid can flow out from the inside of the second pipe by gravity.
In one embodiment, the elbow mechanism has a body length greater than a length of the second tubular. This application sets up the fuselage length through the pipe bending mechanism into the length that is greater than the second pipe fitting, can realize the crooked of the steel pipe of flanged any position, avoids being not enough because of pipe bending mechanism's fuselage length, and the part apart from second pipe fitting flange end is difficult to buckle to reach the curved system demand of flanged of multiple specification long tube.
The utility model can be realized by adopting or using the prior art for reference in places which are not mentioned in the utility model.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a novel production line for excavator swing arm steel pipe which characterized in that includes:
the horizontal spot welding mechanism comprises a limiting tool and a spot welding machine, wherein the limiting tool comprises a base, a first fixing piece, a supporting piece and a first limiting piece, and the base is horizontally arranged; the first fixing pieces are arranged at two ends of the base and used for clamping the flange; the supporting piece is arranged on the base and used for supporting the steel pipe so as to ensure the connecting height of two ends of the steel pipe and the flange; the first limiting piece is arranged on the base and used for limiting the displacement of the steel pipe along the horizontal direction, and the spot welding machine can connect the steel pipe and the flange through spot welding to form a first pipe fitting;
the vertical welding mechanism comprises a welding platform, a second fixing piece, a second limiting piece and a welding device; the second fixing piece is arranged on the welding platform and used for clamping the flange positioned at one end of the first pipe fitting, the second limiting piece and the welding platform are arranged vertically to each other, and the second limiting piece is used for keeping the vertical posture of the first pipe fitting; the welding device is arranged on the welding platform and can rotate around the first pipe fitting so as to weld and repair the welding seam at the spot welding position of the steel pipe and the flange of the first pipe fitting completely to form a second pipe fitting;
the pickling and phosphating mechanism comprises a bearing frame, a treatment pool and a power piece, wherein the second pipe fittings can be obliquely arranged on the bearing frame, and the power piece drives the bearing frame to move along the horizontal direction or the vertical direction of the treatment pool so as to enable the second pipe fittings to be subjected to pickling and phosphating to form third pipe fittings;
the pipe bending mechanism comprises a working platform and a clamping assembly, and the clamping assembly is arranged above the working platform; the clamping assembly comprises a driving part and a clamping part, the clamping part can surround a clamping space, and the driving part can drive the clamping part to move towards the center direction of the clamping space so as to clamp the flange of the third pipe fitting;
the steel pipe conveying trolley is used for conveying steel pipes, and the steel pipes sequentially pass through the blanking mechanism, the horizontal spot welding mechanism, the vertical welding mechanism, the acid pickling phosphating mechanism and the pipe bending mechanism under the conveying of the conveying trolley.
2. The novel production line for the steel pipes of the movable arm of the excavator as claimed in claim 1, wherein the first fixing member comprises a fixing plate and first limiting plates, the fixing plate is fixed on the base, the first limiting plates are arranged on the fixing plate, and at least two first limiting plates form limiting grooves matched with the flanges.
3. The novel production line for the steel pipes of the movable arm of the excavator as claimed in claim 1, wherein the first limiting member is provided with at least two positions along the base, the first limiting member comprises a clamping plate, and the clamping plate is arranged on two sides of the base.
4. The novel production line for the steel pipe of the movable arm of the excavator as claimed in claim 1, wherein the second fixing member comprises a cylindrical supporting platform and a limiting joint, the cylindrical supporting platform is provided with a matching portion matched with the limiting joint, the limiting joint is provided with a connecting portion, and the connecting portion is connected with the flange of the second pipe fitting.
5. The novel production line for the movable arm steel pipe of the excavator as claimed in claim 1, wherein the second limiting part comprises a first clamping block, a second clamping block and a pneumatic cylinder, the first clamping block is provided with a first limiting groove, the second clamping block is provided with a second limiting groove, and the pneumatic cylinder can drive the first clamping block and the second clamping block to move in the horizontal direction to clamp the second pipe fitting.
6. The novel production line for the movable arm steel pipe of the excavator as claimed in claim 1, wherein the driving part is provided with a hydraulic cylinder, the clamping part comprises a movable pipe, a walking rod and a third clamping block, the end part of the movable pipe is obliquely arranged, the driving end of the hydraulic cylinder penetrates through the movable pipe and is connected with the walking rod, and the walking rod is connected with the third clamping block.
7. The novel production line for the excavator movable arm steel pipes as claimed in claim 6, wherein the clamping portion further comprises a moving block and a connecting rod, the walking rod is connected with the moving block, the moving block is hinged to the connecting rod, and the third clamping block is fixed to the connecting rod.
8. The novel production line for the movable arm steel pipe of the excavator as claimed in claim 1, wherein the bearing frame comprises a bearing frame, a protective net and limiting columns, the protective net is arranged around the side wall of the bearing frame, the limiting columns penetrate through one side of meshes of the protective net and extend towards the other side of the protective net, and a limiting space of the second pipe fitting is formed between every two adjacent limiting columns.
9. The novel production line for the steel pipe of the boom of the excavator as claimed in claim 8, wherein the spacing space between two adjacent spacing columns has a height difference in a vertical direction.
10. The novel production line for the steel pipe of the boom of the excavator according to claim 1, wherein the length of the body of the pipe bending mechanism is greater than the length of the second pipe fitting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220116222.XU CN216829613U (en) | 2022-01-17 | 2022-01-17 | Novel production line for excavator movable arm steel pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220116222.XU CN216829613U (en) | 2022-01-17 | 2022-01-17 | Novel production line for excavator movable arm steel pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216829613U true CN216829613U (en) | 2022-06-28 |
Family
ID=82084931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220116222.XU Active CN216829613U (en) | 2022-01-17 | 2022-01-17 | Novel production line for excavator movable arm steel pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216829613U (en) |
-
2022
- 2022-01-17 CN CN202220116222.XU patent/CN216829613U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211034650U (en) | Cable pay-off rack | |
| CN102182302A (en) | Building construction all-steel mold plate and manufacturing and assembling method thereof | |
| CN216829613U (en) | Novel production line for excavator movable arm steel pipe | |
| CN213888916U (en) | Be applied to pipeline welded mounting fixture | |
| CN116290809A (en) | Modularized construction method for super high-rise pipe well vertical pipe | |
| CN212191829U (en) | Steel pipe circumferential weld welding frock bed-jig | |
| CN207139179U (en) | Large-sized end enclosure base welds displacement device | |
| CN206839391U (en) | A kind of Double-station welding work station for engine seat for automobile | |
| JPH06307087A (en) | Master assembling method and apparatus for steel column | |
| CN213795022U (en) | Tee joint continuous welding fixing device | |
| CN213503402U (en) | Storage support for lifting appliance of steel reinforcement cage | |
| CN211991545U (en) | Splicing welding device for connecting sleeve of main chord member of standard knot of tower crane | |
| CN111438428A (en) | Rapid assembling and welding method for large-diameter steel pipeline | |
| CN219837394U (en) | Welding positioning tool for crawling ladder | |
| CN212761917U (en) | Quick welding positioning tool for supporting stand column | |
| CN214786108U (en) | Steel bar processing device for building engineering | |
| CN211996839U (en) | Vertical stainless steel equipment packing tool | |
| CN211615434U (en) | Portable heat supply network pipeline calibrating device | |
| CN216730299U (en) | Adjustable type moulding bed supporting frame of three-dimensional truss | |
| CN216780885U (en) | Turning tool for steel pipe welding manufacturing | |
| CN220412667U (en) | Flexible dummy bar storage and lifting equipment | |
| CN211141469U (en) | Working platform combined device | |
| CN219003602U (en) | Finishing paint spraying tool | |
| CN107186421A (en) | A kind of large-sized end enclosure base welding displacement device and its application method | |
| CN214444044U (en) | Simple and easy steel reinforcement cage seam welding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |