CN203459860U - Assembly and welding device for excavator lower frame - Google Patents

Assembly and welding device for excavator lower frame Download PDF

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Publication number
CN203459860U
CN203459860U CN201320568689.9U CN201320568689U CN203459860U CN 203459860 U CN203459860 U CN 203459860U CN 201320568689 U CN201320568689 U CN 201320568689U CN 203459860 U CN203459860 U CN 203459860U
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China
Prior art keywords
welding
frame
positioner
excavator
equipment platform
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Application number
CN201320568689.9U
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Chinese (zh)
Inventor
王东
张志轩
郜同迅
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JINING DONGYUAN MACHINERY MANUFACTURING Co Ltd
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JINING DONGYUAN MACHINERY MANUFACTURING Co Ltd
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Abstract

The utility model provides an assembly and welding device for an excavator lower frame. The device comprises an equipment platform, wherein a central shaft positioning device, two positioning baffles and three lug plate positioning devices on which the excavator lower frame can be placed correspondingly are arranged on the equipment platform; the central shaft positioning device is arranged at the center of the equipment platform and structurally comprises a vertical positioning shaft and a horizontal flange plate positioning device which is arranged at the top of the positioning shaft; the two positioning baffles are arranged on left and right sides of a central shaft respectively, and tops of the two positioning baffles are flush; and the three lug plate positioning devices are arranged in front of the central shaft positioning device, and center connecting lines of the three lug plate positioning devices are in an isosceles triangle shape. Compared with the prior art, the assembly and welding device for the excavator lower frame has the characteristics of simple structure, convenience in use, ingenious design and the like and is high in practicability, wide in application range and easy to popularize.

Description

A kind of lower frame of excavator welding device
Technical field
The utility model relates to welding displacement technical field, relate in particular to a kind of simple in structure, accurate lower frame of excavator welding device is installed.
Background technology
Along with scientific and technical development, welding connects or blank manufacture from simple member, develops into one of method for fine finishing in manufacturing industry.Along with manufacturing high speed development, point is spelled in traditional manual line, and welding can not meet quality and the quantitative requirement that modern high technology product is manufactured; Meanwhile, on to the consideration of environment and personal safety, all let us recognizes that modern welding processing is towards the future development of mechanization, automation.
Automation of Welding mainly refers to the automation of welding production process.Its main task is exactly: adopting on the basis of advanced welding, check and assembling technology procedure, setting up the welding processing and the process program that do not need people to participate in welding process directly, and the structure of mechanical welding equipment and welding system and configuration.Its core is said and is realized the automatic Arc Welding that nobody participates in directly.Automation of Welding mainly comprises two aspects: the one, and the automation of welding sequence, the 2nd, the automation that welding is produced.Technology main aspect Automation of Welding comprises: mechanical technique, sensing technology, servo drive technology, automatic control technology and systems technology.Automation of Welding not only can improve welding productivity greatly, priorly can guarantee welding quality, reduces the impact of human factor, improves operating environment and the injury to people.Automatic welding special plane, robot work, the application of production line box flexible manufacturing system in engineering have become a kind of irresistible trend.
In the lower frame of excavator welding process of prior art, there is no the work that the positioner matching completes automatic welding, this just causes whole welding process some work still to need manually to complete, even this just causes automatic welding, its weld size is still accurate not, cannot be effectively controlled during welding deformation, the lower frame of excavator quality after welding is general, and integral production cost is higher, thereby, need a kind of lower frame of excavator welder that coordinates automatic welding to use.
Summary of the invention
Technical assignment of the present utility model is to solve the deficiencies in the prior art, and a kind of lower frame of excavator welding device simple in structure, easy to use is provided.
The technical solution of the utility model is, a kind of lower frame of excavator welding device, comprise equipment platform, on described equipment platform, being provided with can corresponding central shaft positioner, positioning baffle, the otic placode positioner of placing lower frame of excavator, and described central shaft positioner is arranged on equipment platform centre and its structure comprises vertical locating shaft, is arranged on locating shaft top and horizontal ring flange positioner; Described positioning baffle is provided with two and the left and right sides of centering axle respectively, and the top of this two positioning baffle is mutually concordant; Described otic placode positioner is provided with three, and dead ahead and its line of centres each other that these three otic placode positioners are arranged on central shaft positioner are isosceles triangle shape.
One in described two positioning baffles is fixedly mounted on equipment platform, and another is flexibly connected with equipment platform by governor motion, the distance between adjustable this side positioning baffle of this governor motion and central shaft.
Described each positioning baffle includes the location-plate that two sizes are identical, be " L " shape, is provided with the pin shaft hole that can insert alignment pin at each location-plate.
Described governor motion comprises the guide rail that is set in parallel on equipment platform, is arranged on the adjusting bracket on guide rail, in the top side of adjusting bracket, is provided with positioning baffle.
The structure of described otic placode positioner comprises vertical column, is arranged on the lasso on column top, is socketed in the bearing pin that lasso is interior and all expose at two ends.
The column of the locating shaft of described central shaft positioner, otic placode positioner and the junction of equipment platform are provided with rinforcement bar.
In sum, the beneficial effect that the utility model compared with prior art produced is:
The feature such as that lower frame of excavator welding device of the present utility model has is simple in structure, easy to use, be skillfully constructed, this welder adopts and locates and clamp accurately, reliably, can alleviate and even cancel blanking and line work, reduce the dimensional discrepancy of goods, improved precision and the commutativity of part; Soldering group should possess enough strength and stiffness to tooling device; Effectively prevent and alleviated welding deformation, welding operation flexibility is good, make workpiece in best welding portion, the good forming ability of weld seam, defective workmanship obviously reduces, speed of welding is greatly improved, and during actual welding, operating personnel have the good visual field and operating environment, makes the overall process of welding production in stable duty; The hard works such as location, clamping and workpiece turning while having replaced hand assembled part position with mechanical device, have improved workman's working condition, practical, applied widely, are easy to promote.
Accompanying drawing explanation
Accompanying drawing 1 is perspective view of the present utility model.
Accompanying drawing 2 is front views of the present utility model.
Accompanying drawing 3 is use view of the present utility model.
Mark in accompanying drawing represents respectively:
1, equipment platform, 2, central shaft positioner, 2.1, locating shaft, 2.2, ring flange positioner, 2.21, level board, 2.22, ring flange fixed axis, 3, positioning baffle, 3.1, location-plate, 3.2, pin shaft hole, 4, otic placode positioner, 4.1, column, 4.2, lasso, 4.3, bearing pin, 5, governor motion, 5.1, guide rail, 5.2, adjusting bracket, 6, erecting bed, 7, rinforcement bar, 8, lower frame of excavator.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of a kind of lower frame of excavator welding device of the present utility model is described in detail below.
As accompanying drawing 1, shown in Fig. 2, a kind of lower frame of excavator welding device shown in the utility model, comprise equipment platform 1, the end face of this equipment platform 1 is horizontal plane, on described equipment platform 1, being provided with can the corresponding central shaft positioner 2 of placing lower frame of excavator 8, positioning baffle 3, otic placode positioner 4, described central shaft positioner 2 is arranged on equipment platform 1 centre and its structure comprises vertical locating shaft 2.1, be arranged on locating shaft 2.1 tops and horizontal ring flange positioner 2.2, this ring flange positioner 2.2 generally comprises level board 2.21, be arranged on the ring flange fixed axis 2.22 of the vertical shape at level board 2.21 two ends, described positioning baffle 3 is provided with two and the left and right sides of centering axle respectively, and the top of this two positioning baffle 3 is mutually concordant, described otic placode positioner 4 is provided with three, and dead ahead and its line of centres each other that these three otic placode positioners 4 are arranged on central shaft positioner 2 are isosceles triangle shape.
One in described two positioning baffles 3 is fixedly mounted on equipment platform 1, and another is flexibly connected with equipment platform 1 by governor motion 5, the distance between adjustable this side positioning baffle 3 of this governor motion 5 and central shaft.
Described each positioning baffle 3 includes the location-plate 3.1 that two sizes are identical, be " L " shape, is provided with the pin shaft hole 3.2 that can insert alignment pin at each location-plate 3.1.
Described governor motion 5 comprises the guide rail 5.1 that is set in parallel on equipment platform 1, is arranged on the adjusting bracket 5.2 on guide rail 5.1, in the top side of adjusting bracket 5.2, is provided with positioning baffle 3.
The structure of described otic placode positioner 4 comprises vertical column 4.1, is arranged on the lasso 4.2 on column 4.1 tops, is socketed in the bearing pin 4.3 that lasso 4.2 is interior and all expose at two ends.
As shown in drawings, between locating shaft 2.1 bottom sides and equipment platform 1 of central shaft positioner 2, be provided with erecting bed 6 between column 4.1 bottom sides of middle otic placode positioner 4 and equipment platform 1, and junction between locating shaft 2.1 and erecting bed 6, between middle standing pillar 4.1 and erecting bed 6, between two heel posts 4.1 and equipment platform 1 is provided with rinforcement bar 7, can further reinforce the steadiness of each vertical post like this, and then the better fixing lower vehicle frame of excavator.
As shown in Figure 3, when reality is used, first by equipment platform 1 location, after leveling, by welding equipment size erection by drawing, verify each location dimension, and the dependability of each parts.
Use alignment pin to be respectively installed in the pin shaft hole 3.2 of location-plate 3.1, be adjacent to respectively left and right positioning baffle 3 places, location, lower frame of excavator 8 body frames are mounted to welding equipment middle, penetrate respectively the bearing pin at otic placode positioner 4 tops in body frame otic placode, by meter ruler, the survey tools such as height gauge, measure body frame center and tooling device central channel distance, guarantee that body frame is symmetrical about tooling device central channel.Measure two side bars about tooling device central channel size and with tooling platform face height dimension.Assurance meets drawing requirement size.
Ring flange is mounted in the ring flange positioner 2.2 of central shaft positioner 2, by this ring flange positioner 2.2, alignment pin locating flange dish is installed, guarantee ring flange center and tooling device center superposition.By tooling device hold down gag, workpiece pressing carries out welding.
After having welded, after Slow cooling, workpiece is shifted out to the qualified order that turns from equipment frock.
The handling of weldment are convenient in the research and development of this project.During operation, should consider that goods can take out smoothly after assembling and positioning weldering or welding from fixture, also want goods to make to be without prejudice in upset or handling.The flexibility of welding operation.Use fixture to produce and should guarantee enough welding equipment spaces, make operating personnel have the good visual field and operating environment, make the overall process of welding production in stable duty.Good manufacturability.Designed fixture should be convenient to manufacture, install and operation, is convenient to check, maintenance and changes quick-wear part.During design, also to consider the factors such as the existing clamping power source in workshop, Lifting Capacity and fabricating yard, reduce fixture manufacturing cost.
Except the technical characterictic described in description, be the known technology of those skilled in the art.

Claims (6)

1. a lower frame of excavator welding device, it is characterized in that: comprise equipment platform, on described equipment platform, being provided with can corresponding central shaft positioner, positioning baffle, the otic placode positioner of placing lower frame of excavator, and described central shaft positioner is arranged on equipment platform centre and its structure comprises vertical locating shaft, is arranged on locating shaft top and horizontal ring flange positioner; Described positioning baffle is provided with two and the left and right sides of centering axle respectively, and the top of this two positioning baffle is mutually concordant; Described otic placode positioner is provided with three, and dead ahead and its line of centres each other that these three otic placode positioners are arranged on central shaft positioner are isosceles triangle shape.
2. a kind of lower frame of excavator welding device according to claim 1, it is characterized in that: one in described two positioning baffles is fixedly mounted on equipment platform, another is flexibly connected with equipment platform by governor motion, the distance between adjustable this side positioning baffle of this governor motion and central shaft.
3. a kind of lower frame of excavator welding device according to claim 1 and 2, it is characterized in that: described each positioning baffle includes the location-plate that two sizes are identical, be " L " shape, is provided with the pin shaft hole that can insert alignment pin at each location-plate.
4. a kind of lower frame of excavator welding device according to claim 1 and 2, it is characterized in that: described governor motion comprises the guide rail that is set in parallel on equipment platform, is arranged on the adjusting bracket on guide rail, in the top side of adjusting bracket, is provided with positioning baffle.
5. a kind of lower frame of excavator welding device according to claim 1, is characterized in that: the structure of described otic placode positioner comprises vertical column, is arranged on the lasso on column top, is socketed in the bearing pin that lasso is interior and all expose at two ends.
6. a kind of lower frame of excavator welding device according to claim 5, is characterized in that: the locating shaft of described central shaft positioner, the column of otic placode positioner and the junction of equipment platform are provided with rinforcement bar.
CN201320568689.9U 2013-09-13 2013-09-13 Assembly and welding device for excavator lower frame Active CN203459860U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320568689.9U CN203459860U (en) 2013-09-13 2013-09-13 Assembly and welding device for excavator lower frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320568689.9U CN203459860U (en) 2013-09-13 2013-09-13 Assembly and welding device for excavator lower frame

Publications (1)

Publication Number Publication Date
CN203459860U true CN203459860U (en) 2014-03-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103921044A (en) * 2014-04-09 2014-07-16 香河港龙汽车配件制造有限公司 Car subframe installing and welding fixture
CN104439847A (en) * 2014-12-04 2015-03-25 大连东拓工程机械制造有限公司 Fuzzy-positioning rapid mounting and clamping device for lower frame of excavator
CN104439825B (en) * 2014-11-10 2016-06-01 长春轨道客车股份有限公司 The uniform adjustment method of benchmark of track passenger vehicle tooling

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103921044A (en) * 2014-04-09 2014-07-16 香河港龙汽车配件制造有限公司 Car subframe installing and welding fixture
CN103921044B (en) * 2014-04-09 2015-09-09 香河港龙汽车配件制造有限公司 Secondary car frame assembly welding tire
CN104439825B (en) * 2014-11-10 2016-06-01 长春轨道客车股份有限公司 The uniform adjustment method of benchmark of track passenger vehicle tooling
CN104439847A (en) * 2014-12-04 2015-03-25 大连东拓工程机械制造有限公司 Fuzzy-positioning rapid mounting and clamping device for lower frame of excavator

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