CN104165207A - Adjustable counterweight - Google Patents
Adjustable counterweight Download PDFInfo
- Publication number
- CN104165207A CN104165207A CN201410309909.5A CN201410309909A CN104165207A CN 104165207 A CN104165207 A CN 104165207A CN 201410309909 A CN201410309909 A CN 201410309909A CN 104165207 A CN104165207 A CN 104165207A
- Authority
- CN
- China
- Prior art keywords
- control valve
- balancer weight
- adjustable
- counterweight
- slide guide
- 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.)
- Pending
Links
- 239000010720 hydraulic oil Substances 0.000 abstract 3
- 239000003921 oil Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 238000004458 analytical method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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- Component Parts Of Construction Machinery (AREA)
Abstract
The invention discloses an adjustable counterweight. The adjustable counterweight comprises a counterweight body, two hydraulic oil cylinders and a control valve. A sliding guide rail is arranged below the counterweight body. The counterweight body can slide along the sliding guide rail. The counterweight body is driven by the two hydraulic oil cylinders which are symmetrically arranged to slide. The hydraulic oil cylinders are connected with the control valve. Stretching and retracting of each oil cylinder are adjusted through the control valve. The adjustable counterweight can move within a certain range; within the working range, a whole machine cannot incline frontwards or backwards, and the work performance of the whole machine can be brought into full play.
Description
Technical field
The present invention relates to balancer weight, particularly a kind of adjustable balancing weight.
Background technique
All engineering machinery series products, in its job area, for meeting specific job requirement, often must adopt balancer weight (or claiming counterweight), to guarantee the stability of complete machine work in complete machine structure.And existing engineering machinery series products, the counterweight being equipped with by the heavy grade difference of machine, its mounting point is changeless, is uncontrollable.So just to complete machine in its job area, give full play to working performance and play restriction.For example: crane gear, within the scope of its maximum lifting amplitude and maximum sling height, hoisting weight is subject to the restriction of the amplitude of lifting by crane; Excavating device, within the scope of its digging enveloping drawing, the performance of digging force is subject to excavating the restriction of position.
Summary of the invention
For solving the problems of the technologies described above, the invention provides the adjustable balancing weight in a kind of engineering machinery, to reach in the course of the work, complete machine can not lean forward or hypsokinesis, gives full play to the object of service behaviour.
For achieving the above object, technological scheme of the present invention is as follows: a kind of adjustable balancing weight, comprise balancer weight, hydraulic jack, control valve, balancer weight below is provided with slide guide, balancer weight can be slided along slide guide, described balancer weight drives it to slide by symmetrically arranged two hydraulic jacks, and described hydraulic jack is connected with control valve, by stretching of control valve regulator solution compressing cylinder.
Preferably, described slide guide has symmetrical two, and slide guide is arranged on balancer weight base plate.
By technique scheme, adjustable balancing weight provided by the invention, balancer weight can move within the specific limits, in operating range, complete machine can not lean forward or hypsokinesis, ensures trouble free service, gives full play to service behaviour, and parts even wearing in working procedure, can extend complete machine working life.In addition, can suitably increase balancer weight quality, thereby reduce overall mass, save material.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below.
Fig. 1 is the disclosed a kind of plan structure schematic diagram that the excavator that adjustable balancing is heavy is installed of the embodiment of the present invention;
Fig. 2 is that the disclosed afterbody of the embodiment of the present invention is installed the excavator mechanical analysis figure that adjustable balancing is heavy;
Fig. 3 is the workflow diagram that the excavator that adjustable balancing disclosed in this invention is heavy is installed.
The represented corresponding part title of numeral in figure:
1-slide guide 2-balancer weight
3-hydraulic jack 4-control valve
embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described.
According to Fig. 1 and Fig. 3, a kind of adjustable balancing provided by the invention re-mounts on excavator, comprise balancer weight 2, hydraulic jack 3, control valve 4, balancer weight 2 belows are symmetrically arranged with slide guide 1, balancer weight 2 can be slided along slide guide 1, described balancer weight 2 drives it to slide by symmetrically arranged two hydraulic jacks 3, and described hydraulic jack 3 is connected with control valve 4, by stretching of control valve 4 regulator solution compressing cylinders 3.
Working principle: effective performance of backhoe excavator digging force is subject to the condition restriction of six aspects, i.e. I. lean forward; II. hypsokinesis; III. traction; IV. the active thrust of an oil cylinder; V, VI. the passive blocking force of all the other two oil cylinders.Wherein, the heavy rank correlation of restrictive condition III machine main to restrictive condition VI and complete machine.Determine the excavator of the heavy grade of machine, main restricted condition I and II are on the effectively impact of performance of digging force.
To being installed, the excavator working procedure that adjustable balancing of the present invention is heavy carries out mechanical analysis, mathematics equation of equilibrium can draw following two adjustable counter balances time:
That is:
In formula: F-excavator bucket teeth digging force
H
0-digging force is to the acting force arm of the fulcrum O that topples
G
p=M
p* the gravity that g-adjustable and balancing is heavy
M
pthe quality that-adjustable and balancing is heavy
L
oPthe initial centroid position that-adjustable and balancing weighs is to the horizontal equivalent of tipping point O
The regulated quantity that X-adjustable and balancing is heavy
In formula: F-cotype (1)
H
0'-digging force is to the acting force arm of the fulcrum O' that topples
G
p-cotype (1)
M
p-cotype (1)
L
o'Pthe initial centroid position of-adjustable weight is to the horizontal equivalent of tipping point O'
X-cotype (1)
Balancer weight is arranged on slide guide, can slide along slide guide, and its position can regulate in certain scope.By control valve regulator solution compressing cylinder, thereby the displacement distance of control balancer weight reaches assembled machine balance stable.
Working procedure: in excavator working procedure, be arranged on the centroid position of the centroid detection device moment detection excavator on excavator, carry out Data Management Analysis.If complete machine leans forward, control valve control hydraulic jack, moves after balancer weight; Otherwise when complete machine hypsokinesis, control valve control hydraulic jack, balancer weight reach.If complete machine does not tilt, balancer weight does not in situ go up and moves.Adjustable balancing provided by the invention has heavily ensured in excavator working procedure, moment is balance all the time, excavator there will not be and leans forward or hypsokinesis, effectively utilize digging force, improve and excavate performance, and can suitably increase balancer weight quality, thereby reduce overall mass, save material, can also extend the working life of complete machine.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to these embodiments' multiple amendment, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (2)
1. an adjustable balancing weight, it is characterized in that: comprise balancer weight, hydraulic jack, control valve, balancer weight below is provided with slide guide, balancer weight can be slided along slide guide, described balancer weight drives its slip by symmetrically arranged two hydraulic jacks, described hydraulic jack is connected with control valve, regulates the flexible of oil cylinder by control valve.
2. a kind of adjustable balancing weight according to claim 1, is characterized in that: described slide guide has symmetrical two, and slide guide is arranged on balancer weight base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410309909.5A CN104165207A (en) | 2014-07-01 | 2014-07-01 | Adjustable counterweight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410309909.5A CN104165207A (en) | 2014-07-01 | 2014-07-01 | Adjustable counterweight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104165207A true CN104165207A (en) | 2014-11-26 |
Family
ID=51909149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410309909.5A Pending CN104165207A (en) | 2014-07-01 | 2014-07-01 | Adjustable counterweight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104165207A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1054146A (en) * | 1996-08-12 | 1998-02-24 | Chubu Plant Service:Kk | Heavy weight balancer and nut hoisting and supporting device |
| CN101774508A (en) * | 2010-02-24 | 2010-07-14 | 上海三一科技有限公司 | System for closed-loop detection of complete machine stability of crawler crane and control method thereof |
| CN201756714U (en) * | 2010-02-11 | 2011-03-09 | 广西玉柴重工有限公司 | Hydraulic excavator balance weight |
| CN201923800U (en) * | 2011-02-17 | 2011-08-10 | 陈熙 | Mobile hydraulic balance engineering vehicle |
| CN202391339U (en) * | 2011-12-13 | 2012-08-22 | 江苏久工重型机械股份有限公司 | Rotary drilling rig with automatically assembled and disassembled balance weight and adjustable barycenter |
| CN202578487U (en) * | 2012-03-22 | 2012-12-05 | 山东山推机械有限公司 | Counterweight telescoping mechanism for rotary drilling rig |
| CN103407913A (en) * | 2013-08-26 | 2013-11-27 | 徐州重型机械有限公司 | Sliding balance weight device and crane |
-
2014
- 2014-07-01 CN CN201410309909.5A patent/CN104165207A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1054146A (en) * | 1996-08-12 | 1998-02-24 | Chubu Plant Service:Kk | Heavy weight balancer and nut hoisting and supporting device |
| CN201756714U (en) * | 2010-02-11 | 2011-03-09 | 广西玉柴重工有限公司 | Hydraulic excavator balance weight |
| CN101774508A (en) * | 2010-02-24 | 2010-07-14 | 上海三一科技有限公司 | System for closed-loop detection of complete machine stability of crawler crane and control method thereof |
| CN201923800U (en) * | 2011-02-17 | 2011-08-10 | 陈熙 | Mobile hydraulic balance engineering vehicle |
| CN202391339U (en) * | 2011-12-13 | 2012-08-22 | 江苏久工重型机械股份有限公司 | Rotary drilling rig with automatically assembled and disassembled balance weight and adjustable barycenter |
| CN202578487U (en) * | 2012-03-22 | 2012-12-05 | 山东山推机械有限公司 | Counterweight telescoping mechanism for rotary drilling rig |
| CN103407913A (en) * | 2013-08-26 | 2013-11-27 | 徐州重型机械有限公司 | Sliding balance weight device and crane |
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Legal Events
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20141126 |
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| RJ01 | Rejection of invention patent application after publication |