CN104120751A - Loader cement balance weight part - Google Patents
Loader cement balance weight part Download PDFInfo
- Publication number
- CN104120751A CN104120751A CN201410338132.5A CN201410338132A CN104120751A CN 104120751 A CN104120751 A CN 104120751A CN 201410338132 A CN201410338132 A CN 201410338132A CN 104120751 A CN104120751 A CN 104120751A
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- China
- Prior art keywords
- steel pipe
- counterweight
- loader
- installing plate
- 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, relate in particular to a kind of loader cement counterweight.
Background technology
Loader must possess enough stability in the course of the work, and based on the requirement of tumbling of loader complete machine, when complete machine work clothes horizontalization is stretched, balance weight must meet the complete machine load requirement of tumbling.Cement counterweight can reduce to a greater extent complete machine cost under the prerequisite that guarantees overall performance, and cement counterweight normally has the shell of irony, within it portion's casting cement concrete.In order to meet loader min. turning radius, complete machine climbing, complete machine movement requirement, weight size need meet following requirement:
1, counterweight rear end face can not exceed overall design scope conventionally to back axle center of gravity size;
2, counterweight lateral dimension can not exceed the envelope of complete machine min. turning radius;
3, counterweight bottom surface can not exceed complete machine ramp angle.
These requirements make the arrangement space of counterweight limited, in design process, conventionally by increasing the volume of counterweight front end, meet the requirement of counterweight volume, make counterweight roughly be " recessed " font, its recess forward, this shape tends to cause counterweight front end very heavy, rear end cross section is narrow and short, requirement of strength at this place is high, and cement counterweight is because main body is cement, its intensity is often limited, not as gray iron counterweight, especially in the rear end of counterweight, at loader complete machine, climb, turn while there is counterweight and ground or obstruction collision, counterweight often ruptures because rear end strength deficiency is enough, the situation of counterweight housing generation weld cracking.
Existing loader is normally arranged in taillight counterweight upper surface in addition, but at complete machine reversing process, when obstacle height exceeds counterweight height, counterweight does not have protective effect to taillight, is prone to taillight and damages fault.
Summary of the invention
The object of the invention is to the shortcoming easily rupturing for existing loader cement counterweight and provide a kind of intensity the high loader cement counterweight that is not easy fracture.
Technical scheme of the present invention is achieved in that a kind of loader cement counterweight of structure, comprise housing, in housing, be cast with concrete, in concrete, be provided with the erection support of integral solder, erection support comprises the crossbeam of horizontally set, below crossbeam, left and right is respectively provided with installing plate, is provided with installing hole on installing plate, and installing plate welds mutually with crossbeam.
In above-mentioned loader cement counterweight, cement counterweight is opening towards the concave shape in the place ahead, and erection support is the inside, rear end that left and right is horizontally installed on counterweight.Erection support is symmetrical structure.Cross beam type is horizontally disposed flat board, and installing plate is the riser that left and right directions arranges.
In above-mentioned loader cement counterweight, the leading flank of installing plate at installing hole setting position place is welded with the front side steel pipe stretching out forward, the front end of front side steel pipe welds mutually with housing, has the installation hole that makes front side steel pipe inner chamber identical with hull outside on housing.Front side steel pipe can form on installing plate installing hole to the interspersed passage of confession counterweight erection bolt of counterweight front end installed surface, also can increase in addition the contact area of bearing and housing inner concrete, improve the intensity of counterweight, simultaneously also as the pillar between installing plate and counterweight front end installed surface, can reduce the requirement of this position to concrete density, while avoiding installing, erection bolt caves in the coagulation soil pressure at this position in the formed immense pressure in this position.。Both sides, counterweight rear end are provided with and are embedded in counterweight for the taillight lamp socket of taillight is installed.The steel pipe that installing plate trailing flank stretches out backward comprise that the upper square steel pipe that is positioned at installing plate top and the lower square steel pipe that is positioned at installing plate bottom, the rear end of lower square steel pipe are welded mutually with housing and housing on be provided with and make the lower square steel pipe inner chamber installation hole that communicates with hull outside.During installation, the installation hole of counterweight erection bolt on housing enters into lower square steel pipe inner chamber, and the installing hole on installing plate, front side steel pipe stretch out with vehicle frame and are fixedly connected with from counterweight housing front end installed surface.Weld mutually with the bottom of taillight lamp socket the rear end of upper square steel pipe and the bottom of taillight lamp socket is provided with the installation hole that the inner chamber of upper square steel pipe is communicated with taillight lamp socket inner chamber, the openend of taillight lamp socket welds mutually with housing, during installation, the installation hole of counterweight erection bolt taillight lamp socket bottom enters into square steel pipe inner chamber, and the installing hole on installing plate, front side steel pipe stretch out with vehicle frame and are fixedly connected with from counterweight housing front end installed surface.
In above-mentioned loader cement counterweight, the bottom of taillight lamp socket is consistent with the counterweight housing trend of taillight lamp socket embedding place.Taillight is arranged on the both sides at counterweight rear portion, in order to reduce the turning radius of machine, counterweight has similar chamfer design at its two ends, rear portion, make counterweight rear portion near the position bend forward of end, it can be in taillight lamp socket, to obtain maximum space for mounted lamp that the bottom of taillight lamp socket moves towards consistent with the counterweight housing of taillight lamp socket embedding place.
The present invention compared with prior art, advantage of the present invention: the present invention arranges monolithic erection support in concrete, a plurality of installing holes on bearing, a plurality of holes can process simultaneously, easily guarantee the machining accuracy of installing hole; Monolithic erection support can be strengthened the intensity of counterweight simultaneously, the suffered power of counterweight is delivered on bearing by bolt, on bearing, adopt slab beam structure, the load ability of crossbeam own is strong, thereby the situation of avoiding counterweight that fracture or housing cracking occur when being subject to external force collision occurs.
Accompanying drawing explanation
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 be in the present invention cement counterweight at the partial sectional view at right lamp holder position place.
Component title and sequence number in figure:
Steel pipe 521 behind steel pipe 512, bottom right steel pipe 522, upper right behind steel pipe 511, lower-left behind steel pipe 523, upper left before steel pipe 524, upper right before steel pipe 514, bottom right before steel pipe 513, lower-left before 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 8, right cover plate 9, front installation panel 10, front shrouding 11, crossbeam 501, left installing plate 510, right installing plate 520, upper left.
The specific embodiment
Below in conjunction with accompanying drawing explanation specific embodiments.
As Fig. 1 Fig. 2 overall structure that is counterweight, counterweight housing becomes to be roughly symmetrical distribution, left side is divided into left cover 1, left coaming plate 2, right side and is divided into right cover plate 9, right coaming plate 8, two side cover plates, coaming plate are connected with coaming plate 6, base plate 3, front installation panel 10, front shrouding 11 in the middle of counterweight by weld seam, form whole counterweight shell, fluid concrete in shell body; Counterweight is concave shape on the whole, and its recess, is provided with erection support 5 forward in counterweight.
As shown in Figure 3, the horizontally disposed crossbeam 501 of erection support 5, crossbeam 501 consists of the steel plate of level, at the downside two ends of crossbeam 501, be welded with respectively left installing plate 510 and the right installing plate 520 of left and right trend, crossbeam 501 and left installing plate 510 and right installing plate 520 formations are roughly π word shape.On left installing plate 510, be provided with two installing holes, two installing holes all stagger in left and right and above-below direction, be respectively upper left installing hole and lower-left installing hole, upper left mounting hole site is in the top of installing plate, lower-left mounting hole site is in the bottom of installing plate, steel pipe 513 and be positioned on installing plate trailing flank steel pipe 511 behind upper left backwards before the position of the upper left of left installing plate 510 installing hole is welded with the upper left being positioned on installing plate leading flank forward, steel pipe 514 and be positioned on installing plate trailing flank steel pipe 512 behind lower-left backwards before the position of the lower-left of left installing plate 510 installing hole is welded with the lower-left being positioned on installing plate leading flank forward.Structure on right installing plate 520 and the structure of left installing plate 510 are symmetrical about counterweight median plane, in the position of the upper right of right installing plate 520 installing hole, be welded with before upper right forward steel pipe 521 after steel pipe 523 and upper right backwards, in the position of the bottom right of right installing plate 520 installing hole, be welded with before bottom right forward steel pipe 522 after steel pipe 524 and bottom right backwards.
As shown in Figure 4, the horizontal left and right directions of this erection support 5 is arranged and is arranged on the inside, rear end of counterweight, the cement concrete of being poured into a mould surrounds, wherein before upper left before steel pipe 513, lower-left before steel pipe 514, bottom right before steel pipe 524, upper right the front end of steel pipe 523 weld mutually with the front installation panel 10 of counterweight, and the front installation panel 10 of counterweight is provided with installation hole, for the erection bolt of counterweight, extend into the installation that steel pipe 523 before steel pipe 524 before steel pipe 514 before steel pipe 513 before upper left, lower-left, bottom right, upper right is realized counterweight.Behind lower-left, steel pipe 512 and bottom right steel pipe 522 rear end backward are roughly inclined-plane, consistent with counterweight base plate 3 tilted shapes of housing, realize and welding mutually with counterweight base plate 3.
In the rear end face both sides of counterweight, left tail lamp seat 4 and right tail lamp seat 7 have been embedded respectively.The opening part of right tail lamp seat 7 welds mutually with the right coaming plate 8 of counterweight housing, and behind the bottom of right tail lamp seat 7 and upper right, steel pipe 521 welds mutually.In like manner the opening part of left tail lamp seat 4 welds mutually with the left coaming plate 2 of counterweight housing, and behind the bottom of left tail lamp seat 4 and upper left, steel pipe 511 welds mutually.In order to protect taillight to be broken by obstruction, taillight rear surface, left and right has certain interval to corresponding left and right coaming plate, and lamp socket plane becomes a low-angle with counterweight installed surface.Adopt this structure to irradiate and to require, under prerequisite, to reduce taillight arrangement space meeting taillight light.Before and after bearing, be all designed with the steel pipe of different-diameter, behind upper left, steel pipe 511, behind lower-left, steel pipe 512, behind bottom right, steel pipe 522, behind upper right, steel pipe 521 all adopts large diameter steel pipe to meet the requirement in bolts assemblies space, behind lower-left, steel pipe 512, the inner chamber of bottom right steel pipe 522 is by installation hole and exterior on counterweight base plate 3, behind upper left, steel pipe 511, behind upper right, the inner chamber of steel pipe 521 is by the left tail lamp seat 4 of counterweight and installation hole and the exterior on right tail lamp seat 7, the erection bolt of counterweight is steel pipe 511 from upper left, behind lower-left, steel pipe 512, bottom right steel pipe 522, behind upper right, the rear end of steel pipe 521 is stretched into, steel pipe 513 before the corresponding upper left that diameter is less on left installing plate and right installing plate leading flank of difference, before lower-left, steel pipe 514, before bottom right, steel pipe 524, before upper right, the formed passage of steel pipe 523 is connected with vehicle frame rear end, realize the installation of counterweight.Counterweight erection bolt and bearing both sides installing plate produce frictional force and resist the impact force that counterweight gravity, counterweight produce while making impact with the ground.This power is delivered to end floor beam on bearing by installing plate, by crossbeam, is delivered to inner mixture, and support beam is born whole balance weight, impact force.Compare with existing counterweight, counterweight force structure changes, and original counterweight is mainly by increasing erection support volume, and the contact area that increases bearing and mixture guarantees counterweight intensity.The present invention, for better meeting counterweight requirement of strength, can increase section area and crossbeam and the mixture contact area of header board by increasing crossbeam area on the one hand, disperses Bearing Seat Force; On the other hand by increasing the intensity of thickness of slab web beam of header board own.While effectively preventing that counterweight is subject to large impact, the counterweight situation that fractures occurs.
Claims (10)
1.. a loader cement counterweight, comprise housing, in housing, be cast with concrete, it is characterized in that being provided with in concrete integral solder erection support, described erection support comprises the crossbeam of horizontally set, below crossbeam, left and right is respectively provided with installing plate, is provided with installing hole on installing plate, and described installing plate welds mutually with described crossbeam.
2. loader cement counterweight according to claim 1, is characterized in that described cement counterweight is opening towards the concave shape in the place ahead, and described erection support is the inside, rear end that left and right is horizontally installed on described counterweight.
3. loader cement counterweight according to claim 2, is characterized in that described erection support is symmetrical structure.
4. loader cement counterweight according to claim 3, is characterized in that described cross beam type is horizontally disposed flat board, and described installing plate is the riser that left and right directions arranges.
5. according to the loader cement counterweight described in any one in claim 1 to 4, it is characterized in that described installing plate is at the front side at installing hole setting position place and the rear side corresponding steel pipe that stretches out forward and stretch out backward that is welded with respectively.
6. loader cement counterweight according to claim 5, is characterized in that both sides, described counterweight rear end are provided with to be embedded in counterweight for the taillight lamp socket of taillight is installed.
7. loader cement counterweight according to claim 5, it is characterized in that the steel pipe that described installing plate trailing flank stretches out backward comprises the lower square steel pipe that is positioned at installing plate bottom, the rear end of described lower square steel pipe weld mutually with housing and housing on be provided with and make the lower square steel pipe inner chamber installation hole that communicates with hull outside.
8. loader cement counterweight according to claim 6, it is characterized in that the steel pipe that described installing plate trailing flank stretches out backward comprises the upper square steel pipe that is positioned at installing plate top, weld mutually with the bottom of taillight lamp socket the rear end of described upper square steel pipe and the bottom of taillight lamp socket is provided with the installation hole that the inner chamber of upper square steel pipe is communicated with taillight lamp socket inner chamber, and the openend of described taillight lamp socket welds mutually with housing.
9. loader cement counterweight according to claim 5, is characterized in that the front end of the front side steel pipe that described installing plate leading flank stretches out forward welds mutually with housing, has the installation hole that makes front side steel pipe inner chamber identical with hull outside on housing.
10. loader cement counterweight according to claim 6, is characterized in that the bottom of described taillight lamp socket and the counterweight housing of taillight lamp socket embedding place trend are 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 true CN104120751A (en) | 2014-10-29 |
| CN104120751B CN104120751B (en) | 2017-01-18 |
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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 |
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| Country | Link |
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| CN (1) | CN104120751B (en) |
Cited By (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 |
Citations (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 |
-
2014
- 2014-07-16 CN CN201410338132.5A patent/CN104120751B/en active Active
Patent Citations (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 |
Cited By (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 |
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| Publication number | Publication date |
|---|---|
| CN104120751B (en) | 2017-01-18 |
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