CN203712147U - Assembling and welding tool of front frame of loading machine - Google Patents

Assembling and welding tool of front frame of loading machine Download PDF

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Publication number
CN203712147U
CN203712147U CN201320831784.3U CN201320831784U CN203712147U CN 203712147 U CN203712147 U CN 203712147U CN 201320831784 U CN201320831784 U CN 201320831784U CN 203712147 U CN203712147 U CN 203712147U
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CN
China
Prior art keywords
front frame
watt
hole
column
platform
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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.)
Expired - Fee Related
Application number
CN201320831784.3U
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Chinese (zh)
Inventor
赵永芝
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUBEI CHUGONG LONGTAI MACHINERY Co Ltd
Original Assignee
HUBEI CHUGONG LONGTAI MACHINERY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HUBEI CHUGONG LONGTAI MACHINERY Co Ltd filed Critical HUBEI CHUGONG LONGTAI MACHINERY Co Ltd
Priority to CN201320831784.3U priority Critical patent/CN203712147U/en
Application granted granted Critical
Publication of CN203712147U publication Critical patent/CN203712147U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses an assembling and welding tool of a front frame of a loading machine. The assembling and welding tool comprises a high vertical column, a middle vertical column, a short vertical column, a platform and a positioning hole of a vehicle axle connecting seat, wherein the positioning hole of the vehicle axle connecting seat is arranged on the platform and corresponds to a hole of the vehicle axle connecting seat; the high vertical column, the middle vertical column and the short vertical column are fixedly connected to the platform. According to the assembling and welding tool of the front frame of the loading machine, disclosed by the utility model, the accuracy requirements of various form and location tolerances of the front frame can be effectively ensured, and the product quality is increased.

Description

Front frame for loader assembly welding frock
Technical field
The utility model relates to assembly welding frock, particularly a kind of front frame for loader assembly welding frock.
Background technology
The welding of front frame for loader is the technical barrier in this area always, front frame for loader is the core component of loading machine, follow-up machine is added, assembled the welding quality of front frame for loader and product quality has very great impact, and the design that is to say assembly welding frock is to ensure that front frame for loader keeps the prerequisite of high-level assembly welding quality in the time producing in enormous quantities.
Please refer to Figure 1A, 1B, its structural front view that is existing front frame for loader and side view, existing front frame for loader is mainly made up of loading machine column 1.1, front panel 1.2, articulated slab 1.7, vehicle bridge Connection Block 1.8 etc.On loading machine column, there is on the swing arm of symmetrical distribution that connects swing arm pin-and-hole two right, on swing arm, in pin-and-hole, insert on swing arm and sell 1.4; On loading machine column, connect in addition under the swing arm of symmetrical distribution of swing arm pin-and-hole two right, under swing arm, in pin-and-hole, insert swing arm downside pin 1.5; Bearing 1.9 before two pairs of symmetrical steering cylinders; Two of symmetrical vehicle bridge Connection Blocks being connected with vehicle bridge totally 8 holes; On front panel 1.2, there is on the dump ram of dump ram of connection pin-and-hole a pair of, on dump ram, in pin-and-hole, insert on dump ram and sell 1.6; And hinge hole two on upper and lower articulated slab is right.Each bearing pin respectively skewer enters in corresponding hole.
Can find out from above structure, in front frame, the quantity in hole is more, and the precision of Geometrical Tolerance Principle is high again, thus even if it is all qualified that each part is made, but can not ensure that each after assembly welding is all qualified, corresponding hole can be aimed at.
Though the assembly welding of front frame for loader generally adopts without frock or has frock at present, there is to some extent the drawbacks such as unreasonable structure, mounting or dismounting bother, precision is not high, efficiency is low, assembly welding speed is slower.
Summary of the invention
For the defect of prior art, the utility model provides a kind of front frame for loader assembly welding frock.
A kind of front frame for loader assembly welding frock, is characterized in that, comprising: the locating hole of high column, central post, short column, platform and vehicle bridge Connection Block; High column, symmetry is installed on front frame both sides, and high column has the multiple cantilever beams that stretch out, and each high column cantilever beam end connects half-watt cover assembled tool; Central post, is installed on centre position, front frame rear portion, and central post has the multiple cantilever beams that stretch out, and each central post cantilever beam end connects half-watt cover assembled tool; Short column, is installed on the centre position before front frame, and short column has the cantilever beam stretching out, and short column cantilever beam end connects half-watt cover assembled tool; The locating hole of vehicle bridge Connection Block is opened on platform, corresponding with the hole of vehicle bridge Connection Block; High column, central post, short column are fixed on platform.
Optionally, described half-watt cover assembled tool comprises that movable half-watt overlaps and fixes half-watt cover, and two half-watt covers connect by rotating shaft, and fixing half-watt puts to be hinged with and can turn screw rod.
Optionally, described affixed be bolt connect or welding.
The beneficial effects of the utility model are: can significantly improve front frame assembly welding speed by above technical scheme, reduce labor intensity, ensure assembly welding quality, improve the qualification rate of front frame welding.
Brief description of the drawings
Figure 1A is that existing front frame for loader structure master looks schematic diagram;
Figure 1B is existing front frame for loader structure schematic side view;
Fig. 2 A is the utility model assembly welding tool structure schematic side view;
Fig. 2 B is that the utility model assembly welding tool structure master looks schematic diagram;
Fig. 3 A is the high pillar construction schematic diagram of the utility model assembly welding frock;
Fig. 3 B is the utility model half-watt cover assembled tool structural representation;
Fig. 4 is the utility model assembly welding frock center pillar structure schematic diagram;
Fig. 5 is the short pillar construction schematic diagram of the utility model assembly welding frock;
Fig. 6 A is the utility model vehicle bridge connecting base structure schematic side view;
Fig. 6 B is the utility model vehicle bridge connecting base structure schematic top plan view.
Detailed description of the invention
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail, it will be more clear making above-mentioned and other object of the present utility model, Characteristics and advantages.In whole accompanying drawings, identical Reference numeral is indicated identical part.Deliberately do not draw in proportion accompanying drawing, focus on illustrating purport of the present utility model.
As shown in Fig. 2 A, 2B, assembly welding frock of the present utility model comprises the locating hole five part compositions of high column 2.1, central post 2.2, short column 2.3, platform 2.4 and vehicle bridge Connection Block 1.8.Platform is the basis of assembly welding frock, and each column is fixed with bolt or is directly welded in the upper plane of platform determining behind relevant position, respectively various piece is elaborated below.
(1), high column
High column 2.1 is for locating under pin-and-hole on swing arm, lifting pin-and-hole on pin-and-hole and dump ram.Totally 2, high column 2.1, symmetry is arranged on front frame both sides.
As shown in Figure 3A, stretch out with cantilever beam 3.1 on high column 2.1 tops, each high column cantilever beam end welding half-watt cover assembled tool 3.2 3 covers, on two high columns three covers half-watt cover assembled tool 3.2 is mutually corresponding, and two relative half-watt assembled tools are laid respectively on swing arm under pin-and-hole axle, lifting pin-and-hole axle in pin-and-hole axle and dump ram.
As shown in Figure 3 B, half-watt cover assembled tool is by two half-watt covers 3.3,3.4, be connected to together by rotating shaft 3.5, wherein fix half-watt cover and be welded on high column cantilever beam end, movable half-watt cover can spin upside down around the shaft, after being turned to above, can rotating hinge being connected on turned screw rod 3.6 and the wing nut 3.7 that fixing half-watt puts two half-watts are entangled firm and are admittedly fixed on together.This half-watt cover assembled tool is vertically placed, the interface of two half-watt covers is perpendicular to platform, its distinguishing feature is that assembly and disassembly are all very convenient, especially while dismounting, as long as unclamp wing nut, front frame easily can be unloaded, and enter immediately the assembly welding of next front frame, and will axle not take off from front frame, so just improve operating efficiency.After front frame pulls down, then axle is taken off than being easier to and easily from front frame.
On swing arm, pin-and-hole axle is identical with pin-and-hole axle under lifting, and on dump ram, hole axle is slightly variant in contrast, but acts on basic identical.Each axle is by the different step composition of diameter, the cylinder that on swing arm, under pin-and-hole axle and lifting, in pin-and-hole axle, diameter is 30 is for locating on the swing arm in front frame pin-and-hole pin-and-hole on pin-and-hole and lifting, diameter is that 28 cylinder and half-watt cover assembled tool compress mutually, for fixing and apotting spindle, the cylinder that two ends diameter is 24 is by axle jacking or the impetus while ejecting front frame.
While making assembly welding frock, half-watt is overlapped to assembled tool 3.2 to be respectively fixed in corresponding axle, adjust the position of high column 2.1 bases and half-watt cover assembled tool 3.2, and proofread with dial gauge, make the axial line position of axle meet product drawing and the every required precision of frock drawing to axial line, then the fixing half-watt of high upright post base and half-watt cover assembled tool is applied mechanically to bolt and fix or be welded and fixed, need side weld limit to adjust, guarantee that final position meets the requirements of drawing.
Central spindle design all has required precision to each locating surface, during due to making frock, the axial line position adjusted of axle must meet drawing requirement, so when skewer enters on swing arm while selling on pin, lifting downside pin and dump ram, the shaft core position of these pins has also just met drawing requirement naturally.
When assembly welding front frame, each front frame parts are required to set position according to product drawing, and pin-and-hole axle on pin-and-hole axle under pin-and-hole axle, lifting on swing arm and tipping bucket cylinder is inserted in each parts and the corresponding hole of the quick assembly welding frock of front frame, each axle is compressed with wing nut 3.7, after collated correct, can weld as articulated slab etc. the position of needs welding.Between front frame and frock, both sides are respectively provided with the round block of one 20 millimeters thick, can avoid like this because welding modification postwelding can not take out front frame smoothly.
(2), central post
As shown in Figure 4, central post 2.2 is for locating the position of two hinge holes on the position of upper articulated slab 4.1, lower articulated slab 4.2 and upper and lower articulated slab.Totally 1 of central post, is positioned at front frame centre position below, and on it, middle part stretches out respectively a short cantilever beam 4.3, short cantilever beam 4.3 ends are welded with respectively a half-watt cover assembled tool, for hinge hole axle is installed.This half-watt cover assembled tool is made up of two half-watt covers, between the two, connects with bolt, and two half-watts covers are vertically placed, and the interface of the two is perpendicular to platform, like this, and in assembly welding front frame or it is disassembled more convenient from frock.
The cylinder that hinge hole axle two ends diameter is 40 is for the location of hinge hole, and the cylinder that middle part diameter is 38 is for connecting and supporting.It is 40 cylinder that two half-watt covers on half-watt cover assembled tool are held diameter tightly by bolt, thereby axle is fixed.Half-watt cover assembled tool and hinge hole axle are mainly used in the radial location of hinge hole, totally 2 of half-watt cover assembled tools, and two places up and down of center roller position, and positioning precision is easy to ensure.
The axial location of hinged pin-and-hole realizes by two kinds of diverse ways: the one, by the upper plane positioning of half-watt cover assembled tool above, when assembly welding front frame, allow the lower plane of articulated slab be close to this face, the position of upper articulated slab 4.1 is determined, has located the axial location of hinged pin-and-hole on upper articulated slab.The 2nd, by below lower articulated slab 4.2 and the position of padding certain thickness cushion block between platform and determine lower articulated slab, i.e. the axial location of hinged pin-and-hole on the lower articulated slab in location.The Inner shelves upper surface that can certainly make the upper plane of half-watt below cover assembled tool be close to swivel pin bearing on lower articulated slab comes the position of articulated slab under indirect addressing, but due to deviation accumulation, can not accurately locate.
The height of half-watt cover assembled tool is less than the home record width of swivel pin bearing on articulated slab, while dismantling the front frame welding like this, can not pull out because of welding deformation.While making frock, hinge hole axle is inserted in half-watt cover assembled tool, adjust the position of central post base and half-watt cover assembled tool, and proofread with dial gauge, make the axial line position of axle meet product drawing and the every required precision of frock drawing to axial line, ensure on the cover of half-watt above assembled tool that plane is to the required distance of platform simultaneously, then that fixing half-watt cover on central post base and half-watt cover assembled tool is welded and fixed, must adjust on side weld limit, guarantee that final position meets the requirements of drawing.
When assembly welding front frame, by half-watt overlap assembled tool respectively skewer enter in corresponding hinged pin-and-hole bearing on upper and lower articulated slab, and make articulated slab lower plane be close to the upper plane of half-watt cover assembled tool above, then axle is inserted in the hinged pin-and-hole of upper and lower articulated slab and half-watt cover, and turned nut and be fixed.After assembly welding completes, back out nut, take off the movable half-watt cover on half-watt cover assembled tool.
(3) short column
As shown in Figure 5, short column 2.3 is for locating axial location and the radial position of pin-and-hole before steering cylinder.Totally 1, short column, is positioned at the centre position before front frame, and a short cantilever beam is stretched out on its top, and short cantilever beam-ends is welded with respectively a half-watt cover assembled tool 5.2, and for alignment pin 5.1 is installed, cushion block 5.3 is played a supporting role.This half-watt cover assembled tool is made up of two half-watt covers, between the two, connects with bolt, and two half-watts covers are vertically placed, and the interface of the two is perpendicular to platform, like this, and in assembly welding front frame or it is disassembled more convenient from frock.
(4) locating hole of vehicle bridge Connection Block
Vehicle bridge Connection Block 1.8 is as shown in Fig. 6 A, 6B, and it is for being connected with corresponding bearing in vehicle bridge.Vehicle bridge Connection Block in front frame totally 2, every upper 4 holes, it will all be aimed at 8 corresponding holes in vehicle bridge, can skewer enters bolt the two is fixed as one.
For this reason, adopt the method for boring locating hole on platform 2.4 to ensure,, by the accurate size in 8 holes in vehicle bridge and vehicle bridge placement location that product drawing specifies, on platform 2.4, got out 8 holes of a size.Before assembly welding, first 8 cylindrical positioning pins with diameter inserted respectively on hole on vehicle bridge Connection Block and platform in corresponding hole or insert on each vehicle bridge Connection Block in two holes on diagonal, again the place of needs weldering is welded afterwards, after being soldered, cylindrical positioning pins is extracted, so just can not cause welding metapore misalignment because being partially welded position, bolt cannot penetrate.
After all having welded, unclamp the nut of all fixing use, take off and state cylindrical positioning pins, front frame is taken off from assembly welding frock, then take out from front frame the frock axle that all kinds of assembly weldings are used, a qualified front frame is that assembly welding completes.
In above description, a lot of details are set forth so that fully understand the utility model.But above description is only preferred embodiment of the present utility model, the utility model can be implemented to be much different from alternate manner described here, and therefore the utility model is not subject to the restriction of disclosed concrete enforcement above.Any skilled personnel are not departing from technical solutions of the utility model scope situation simultaneously, all can utilize method and the technology contents of above-mentioned announcement to make many possible variations and modification to technical solutions of the utility model, or be revised as the equivalent embodiment of equivalent variations.Every content that does not depart from technical solutions of the utility model,, all still belongs in the scope of technical solutions of the utility model protection any simple modification made for any of the above embodiments, equivalent variations and modification according to technical spirit of the present utility model.

Claims (3)

1. a front frame for loader assembly welding frock, is characterized in that, comprising: the locating hole of high column, central post, short column, platform and vehicle bridge Connection Block;
High column, symmetry is installed on front frame both sides, and high column has the multiple cantilever beams that stretch out, and each high column cantilever beam end connects half-watt cover assembled tool;
Central post, is installed on centre position, front frame rear portion, and central post has the multiple cantilever beams that stretch out, and each central post cantilever beam end connects half-watt cover assembled tool;
Short column, is installed on front frame anteriomedial position, and short column has the cantilever beam stretching out, and short column cantilever beam end connects half-watt cover assembled tool;
The locating hole of vehicle bridge Connection Block is opened on platform, corresponding with the hole of vehicle bridge Connection Block;
High column, central post, short column are fixed on platform.
2. front frame for loader assembly welding frock according to claim 1, is characterized in that: described half-watt cover assembled tool comprises that movable half-watt overlaps and fixes half-watt cover, and two half-watt covers connect by rotating shaft, and fixing half-watt puts to be hinged with and can turn screw rod.
3. front frame for loader assembly welding frock according to claim 1, is characterized in that: described affixed be bolt connect or welding.
CN201320831784.3U 2013-12-17 2013-12-17 Assembling and welding tool of front frame of loading machine Expired - Fee Related CN203712147U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320831784.3U CN203712147U (en) 2013-12-17 2013-12-17 Assembling and welding tool of front frame of loading machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320831784.3U CN203712147U (en) 2013-12-17 2013-12-17 Assembling and welding tool of front frame of loading machine

Publications (1)

Publication Number Publication Date
CN203712147U true CN203712147U (en) 2014-07-16

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103722333A (en) * 2013-12-20 2014-04-16 柳州市银翔机械有限责任公司 Positioning device for loader front frame tailor welding
CN104588948A (en) * 2014-12-10 2015-05-06 广州电力机车有限公司 Assembling tool and method for front frame of electric wheel dumper
CN106514098A (en) * 2016-12-14 2017-03-22 临沂市宇顺机械有限公司 Car front frame installing and welding tool

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103722333A (en) * 2013-12-20 2014-04-16 柳州市银翔机械有限责任公司 Positioning device for loader front frame tailor welding
CN103722333B (en) * 2013-12-20 2015-10-28 柳州市银翔机械有限责任公司 A kind of positioner of front frame for loader welding
CN104588948A (en) * 2014-12-10 2015-05-06 广州电力机车有限公司 Assembling tool and method for front frame of electric wheel dumper
CN106514098A (en) * 2016-12-14 2017-03-22 临沂市宇顺机械有限公司 Car front frame installing and welding tool

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140716

Termination date: 20161217

CF01 Termination of patent right due to non-payment of annual fee