CN104120751B - Loader cement balance weight part - Google Patents
Loader cement balance weight part Download PDFInfo
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- CN104120751B CN104120751B CN201410338132.5A CN201410338132A CN104120751B CN 104120751 B CN104120751 B CN 104120751B CN 201410338132 A CN201410338132 A CN 201410338132A CN 104120751 B CN104120751 B CN 104120751B
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- counterweight
- loader
- installing plate
- steel pipe
- cement
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Abstract
The invention relates to a loader cement balance weight part which solves the problem that an existing loader cement balance weight part is prone to being broken. The loader cement balance weight part comprises a casing, concrete is poured into the casing, and an integrated welded installation support is arranged in the concrete. The installation support comprises a horizontally-arranged beam, installation plates are respectively on the left side and the right side under the beam, installation holes are formed in the installation plates, and the installation plates are welded to the beam. The integrated installation support is arranged in the concrete, a plurality of installation holes are formed in the support, a plurality of holes can be processed simultaneously, and accordingly the processing accuracy of the installation holes can be guaranteed. Meanwhile, the integrated installation support can enhance the strength of the balance weight part, and stress on the balance weight part can be transmitted to the support through a bolt. A thick plate beam structure is arranged on the support, and the self bearing capacity of the beam is strong. Thus, the situation that the balance weight part is broken or the casing cracks when being collided by external force is avoided.
Description
Technical field
The present invention relates to a kind of loader counterweight, more particularly, to a kind of loader cement counterweight.
Background technology
Loader must possess enough stability in the course of the work, is tumbled requirement based on the whole machine of loader, in whole machine
When equipment is flattened, balance weight must is fulfilled for whole machine and tumbles loading demands.Cement counterweight is ensureing the premise of overall performance
Under can reduce whole machine cost to a greater extent, cement counterweight typically has the shell of irony, in its internal casting cement coagulation
Soil.In order to meet loader min. turning radius, the climbing of whole machine, whole machine movement requirement, weight size need to meet claimed below:
1st, counterweight rear end face generally can not exceed overall design scope to back axle center of gravity size；
2nd, counterweight lateral dimension can not exceed the envelope of whole machine min. turning radius；
3rd, counter weight bottom face can not exceed whole machine ramp angle.
These requirements make the arrangement space of counterweight limited, in design process generally by increase the volume of counterweight front end Lai
Meet the requirement of counterweight volume so that counterweight substantially be in concave, its recess forward, before this shape often causes counterweight
End is very heavy, and cross sectional rear end face is narrow and short, and intensity requirement in this place is high, and cement counterweight is cement due to main body, and its intensity is past
Toward limited, not as gray iron counterweight, especially in the rear end of counterweight, the climbing of loader whole machine, turn occur counterweight and ground or
During barrier collision, often due to rear end intensity is insufficient to and ruptures, the situation of weld cracking in counterweight housing to counterweight there is.
In addition taillight is typically arranged in counterweight upper surface by existing loader, but in whole machine reversing process, works as barrier
When highly exceeding counterweight height, counterweight does not have protective effect to taillight, taillight easily and damages fault.
Content of the invention
Present invention aims to the shortcoming that is easily broken off of existing loader cement counterweight and provide a kind of intensity high
Do not allow the loader cement counterweight of easy fracture.
The technical scheme is that and be achieved in that: construct a kind of loader cement counterweight, including housing, in housing
It is cast with concrete, in concrete, is provided with the erection support of integral solder, erection support includes the crossbeam of horizontally set, in horizontal stroke
It is each provided with installing plate about the lower section of beam, installing plate is provided with and passes through, for counterweight installation bolt, the installation installed for counterweight
Hole, installing plate is welded with crossbeam phase.
In above-mentioned loader cement counterweight, cement counterweight is in opening concave shape forward, and erection support is in left and right
It is horizontally installed on inside the rear end of counterweight.Erection support is bilateral symmetry.Cross beam type is in horizontally disposed flat board, installing plate
Riser for left and right directions setting.
In above-mentioned loader cement counterweight, leading flank at installing hole set location for the installing plate is welded with to extension
The front side steel pipe going out, the front end of front side steel pipe is welded with housing phase, has and make front side steel pipe inner chamber and hull outside on housing
The installation hole communicating.Front side steel pipe can form self installation plate upper installing hole to the confession counterweight installation spiral shell of counterweight front mounting surface
The passage that bolt interts, in addition also can increase the contact area of bearing and housing inner concrete, improve the intensity of counterweight, also make simultaneously
For the pillar between installing plate and counterweight front mounting surface, it is possible to decrease the requirement to concrete density at this position, it is to avoid peace
The coagulation soil pressure at this position is caved in by the immense pressure that during dress, installation bolt is formed at this position..Counterweight rear end both sides set
It is equipped with to be embedded in counterweight and be used for the taillight lamp socket of taillight is installed.The steel pipe that installing plate trailing flank stretches out backward is included positioned at peace
The upper square steel tube on dress plate top and the lower square steel tube being located at installing plate bottom, the rear end of lower square steel tube is welded and housing with housing phase
On be provided with and make lower square steel tube inner chamber communicate installation hole with hull outside.The installation from housing for counterweight installation bolt during installation
Hole enters into lower square steel tube inner chamber, through the installing hole on installing plate, front side steel pipe from counterweight housing forward end installed surface stretch out with
Vehicle frame is fixedly connected.With the bottom phase welding of taillight lamp socket and the bottom of taillight lamp socket is provided with and makes upper square steel for the rear end of upper square steel tube
The installation hole that the inner chamber of pipe is communicated with taillight lamp socket inner chamber, the opening of taillight lamp socket is welded with housing phase, counterweight during installation
The installation hole of installation bolt taillight lamp socket bottom enters into square steel tube inner chamber, through the installing hole on installing plate, front side steel pipe
Stretch out from counterweight housing forward end installed surface and be fixedly connected with vehicle frame.
In above-mentioned loader cement counterweight, the bottom of taillight lamp socket and taillight lamp socket embed the counterweight housing trend at place
Unanimously.Taillight is arranged on the both sides at counterweight rear portion, in order to reduce the radius of turn of machine, counterweight behind portion two ends have similar
Chamfer design so that counterweight rear portion near end position to front curve, the bottom of taillight lamp socket and taillight lamp socket embed place
Counterweight housing trend can be unanimously to obtain maximum space in taillight lamp socket to be used for mounted lamp.
The present invention compared with prior art, advantages of the present invention: the present invention arranges monoblock type erection support in concrete,
Multiple installing holes on bearing, multiple holes can process simultaneously, is easily guaranteed that the machining accuracy of installing hole；Monoblock type erection support simultaneously
The intensity of counterweight can be strengthened, so that the power suffered by counterweight is delivered on bearing by bolt, bearing adopts slab beam structure,
Crossbeam load ability itself is strong, thus avoiding counterweight to occur situation about rupturing or housing ftractures to occur when being collided by external force.
Brief description
Fig. 1 is counterweight rear end structure schematic diagram in the present invention；
Fig. 2 is counterweight front-end architecture schematic diagram in the present invention；
Fig. 3 is bearing schematic diagram in the present invention；
Fig. 4 is partial sectional view at right lamp holder position for the cement counterweight in the present invention.
In figure parts title and sequence number:
Left cover 1, left coaming plate 2, base plate 3, left tail lamp seat 4, erection support 5, middle coaming plate 6, right tail lamp seat 7, right coaming plate
8th, right cover plate 9, front installation panel 10, front shrouding 11, crossbeam 501, left installing plate 510, right installing plate 520, steel pipe before upper left
513rd, steel pipe 514 before lower-left, steel pipe 524 before bottom right, steel pipe 523 before upper right, steel pipe 511 behind upper left, steel pipe 512 behind lower-left, right
Steel pipe 521 after lower steel pipe 522, upper right.
Specific embodiment
Specific embodiments are described below in conjunction with the accompanying drawings.
If Fig. 1 Fig. 2 is the overall structure of counterweight, counterweight housing becomes substantially symmetrical distribution, and left side is divided into left cover
1st, left coaming plate 2, right side are divided into right cover plate 9, right coaming plate 8, two side cover plates, coaming plate pass through weld seam and counterweight centre coaming plate 6, base plate 3,
Front installation panel 10, front shrouding 11 connect, and constitute whole counterweight shell, pour into a mould concrete in shell body；Counterweight is on the whole
Concave shape, its recess forward, is provided with erection support 5 in counterweight.
As shown in figure 3, the horizontally disposed crossbeam 501 of erection support 5, crossbeam 501 is made up of the steel plate of level, in crossbeam
501 downside two ends are respectively welded left installing plate 510 and right installing plate 520, crossbeam 501 and the left installing plate of left and right trend
510 and right installing plate 520 constitute substantially be in π word shape.Two installing holes, two installing holes are provided with left installing plate 510
All stagger in left and right and above-below direction, respectively upper left installing hole and lower-left installing hole, upper left mounting hole site is upper in installing plate
Portion, lower-left mounting hole site, in the bottom of installing plate, is welded with positioned at installation at the position of the upper left installing hole of left installing plate 510
Steel pipe 513 and be located at steel pipe 511 behind upper left backwards on installing plate trailing flank, in left installation before upper left forward on plate leading flank
It is welded with before lower-left forward on installing plate leading flank steel pipe 514 at the position of lower-left installing hole of plate 510 and be located at peace
Steel pipe 512 behind lower-left backwards on dress plate trailing flank.The structure of the structure on right installing plate 520 and left installing plate 510 is with regard to joining
Weight median plane is symmetrical, is welded with before upper right forward steel pipe 523 and backwards at the position of the upper right installing hole of right installing plate 520
Upper right after steel pipe 521, be welded with steel pipe 524 He before bottom right forward at the position of the bottom right installing hole of right installing plate 520
Steel pipe 522 behind bottom right backwards.
As shown in figure 4, the arrangement of this erection support 5 horizontal left and right directions is arranged on the water inside the rear end of counterweight, being cast
Cement concrete is surrounded, steel pipe 523 before steel pipe 524 before steel pipe 514 before steel pipe 513 wherein before upper left, lower-left, bottom right, upper right
The front installation panel 10 of front end and counterweight mutually welds, and the front installation panel 10 of counterweight is provided with installation hole, for counterweight
Installation bolt extend into upper left before steel pipe 513, steel pipe 514 before lower-left, steel pipe 524 before bottom right, realize joining in steel pipe 523 before upper right
The installation of weight.Behind lower-left, steel pipe 512 and bottom right steel pipe 522 rear end backward is in substantially inclined-plane, tilts with the counterweight base plate 3 of housing
Shape is consistent, realizes mutually welding with counterweight base plate 3.
Left tail lamp seat 4 and right tail lamp seat 7 have been respectively embedded into it in the rear end face both sides of counterweight.At the opening of right tail lamp seat 7 with
The right coaming plate 8 of counterweight housing is mutually welded, and after the bottom of right tail lamp seat 7 and upper right, steel pipe 521 mutually welds.Left tail lamp seat 4 in the same manner
Mutually weld with the left coaming plate 2 of counterweight housing at opening, behind the bottom of left tail lamp seat 4 and upper left, steel pipe 511 mutually welds.In order to protect
Taillight is broken by barrier, and after the taillight of left and right, surface has certain interval to corresponding left and right coaming plate, and lamp socket plane is pacified with counterweight
Dress face becomes a low-angle.Using this structure under the premise of meeting the irradiation requirement of taillight light, reduce taillight arrangement space.?
All it is designed with the steel pipe of different-diameter, after steel pipe 522 after steel pipe 512 after steel pipe 511 behind upper left, lower-left, bottom right, upper right before and after seat
Steel pipe 521 all meets the requirement in bolts assemblies space using large diameter steel pipe, steel pipe 512, the inner chamber of bottom right steel pipe 522 behind lower-left
Communicated with outside by the installation hole on counterweight base plate 3, after steel pipe 511 behind upper left, upper right, the inner chamber of steel pipe 521 passes through counterweight
Left tail lamp seat 4 and right tail lamp seat 7 on installation hole communicate with outside, the installation bolt of counterweight steel pipe 511, left behind upper left
After lower rear steel pipe 512, bottom right steel pipe 522, upper right, the rear end of steel pipe 521 is stretched into, and corresponds to through left installing plate and right installing plate respectively
523 shapes of steel pipe before steel pipe 524 before steel pipe 514 before steel pipe 513 before the less upper left of diameter on leading flank, lower-left, bottom right, upper right
The passage becoming is connected with vehicle frame rear end, realizes the installation of counterweight.Counterweight installation bolt produces frictional force with bearing both sides installing plate
The impulsive force producing to resist counterweight gravity, when counterweight makes impact with the ground.This power is delivered to end floor beam on bearing by installing plate,
It is delivered to the mixture of inside by crossbeam, support beam undertakes whole balance weight, impulsive force.Compared with existing counterweight, join
Weight force structure changes, and original counterweight is mainly passed through to increase erection support volume, increases the contact surface of bearing and mixture
Amass to ensure counterweight intensity.The present invention is to better meet counterweight intensity requirement, on the one hand can be increased by increasing crossbeam area
Plus the area of section of header board and crossbeam and mixture contact area, disperse Bearing Seat Force；On the other hand pass through to increase header board
Thickness of slab web beam intensity itself.When effectively preventing counterweight to be subject to large impact, counterweight fracture situation occur.
Claims (10)
1. a kind of loader cement counterweight, including housing, is cast with concrete it is characterised in that arranging in concrete in housing
There is integral solder erection support, described erection support includes the crossbeam of horizontally set, be each provided with pacifying about the lower section of crossbeam
Dress plate, installing plate is provided with and passes through the installing hole installed for counterweight, described installing plate and described horizontal stroke for counterweight installation bolt
Beam phase is welded.
2. loader cement counterweight according to claim 1 it is characterised in that described cement counterweight be in opening forward
Concave shape, described erection support is horizontally installed on inside the rear end of described counterweight in left and right.
3. loader cement counterweight according to claim 2 is it is characterised in that described erection support is bilateral symmetry.
4. loader cement counterweight according to claim 3 it is characterised in that described cross beam type be in horizontally disposed flat board,
The riser that described installing plate is arranged for left and right directions.
5. loader cement counterweight according to any one of claim 1 to 4 is it is characterised in that described installing plate is being installed
Front side at the set location of hole is corresponding respectively with rear side to be welded with the steel pipe forward extending out and stretching out backward.
6. loader cement counterweight according to claim 5 it is characterised in that described counterweight rear end both sides be provided with embedded
Counterweight is used for the taillight lamp socket of taillight is installed.
7. loader cement counterweight according to claim 5 is it is characterised in that what described installing plate trailing flank stretched out backward
Steel pipe includes the lower square steel tube positioned at installing plate bottom, and the rear end of described lower square steel tube and the welding of housing phase and housing are arranged
Lower square steel tube inner chamber is made to communicate installation hole with hull outside.
8. loader cement counterweight according to claim 6 is it is characterised in that what described installing plate trailing flank stretched out backward
Steel pipe includes the upper square steel tube positioned at installing plate top, the bottom phase welding of the rear end of described upper square steel tube and taillight lamp socket and
The bottom of taillight lamp socket is provided with the installation hole making the inner chamber of square steel tube communicate with taillight lamp socket inner chamber, described taillight lamp socket
Opening is welded with housing phase.
9. loader cement counterweight according to claim 5 is it is characterised in that what described installing plate leading flank forward extended out
The front end of front side steel pipe and housing phase are welded, and have the installing hole making front side steel pipe inner chamber communicate with hull outside on housing
Hole.
10. loader cement counterweight according to claim 6 is it is characterised in that the bottom of described taillight lamp socket and taillight lamp
The counterweight housing trend at the embedded place of seat is consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338132.5A CN104120751B (en) | 2014-07-16 | 2014-07-16 | Loader cement balance weight part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410338132.5A CN104120751B (en) | 2014-07-16 | 2014-07-16 | Loader cement balance weight part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104120751A CN104120751A (en) | 2014-10-29 |
| CN104120751B true CN104120751B (en) | 2017-01-18 |
Family
ID=51766368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410338132.5A Active CN104120751B (en) | 2014-07-16 | 2014-07-16 | Loader cement balance weight part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104120751B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110409539A (en) * | 2019-06-28 | 2019-11-05 | 三一重机有限公司 | Balance weight assembly and excavator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08199630A (en) * | 1995-01-20 | 1996-08-06 | Hitachi Constr Mach Co Ltd | Counter weight for construction machine |
| JP4500624B2 (en) * | 2004-08-23 | 2010-07-14 | 株式会社小松製作所 | Counter weight for vehicles |
| CN202466674U (en) * | 2012-02-09 | 2012-10-03 | 常林股份有限公司 | Steel shell structure for filling and counter weight of loader |
| CN202730828U (en) * | 2012-05-31 | 2013-02-13 | 山东临工工程机械有限公司 | Loading machine counter weight |
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2014
- 2014-07-16 CN CN201410338132.5A patent/CN104120751B/en active Active
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| Publication number | Publication date |
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| CN104120751A (en) | 2014-10-29 |
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