CN102733437B - Structure assembly counter weight for excavator loader and production method of structure assembly counter weight - Google Patents
Structure assembly counter weight for excavator loader and production method of structure assembly counter weight Download PDFInfo
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- CN102733437B CN102733437B CN201210161645.4A CN201210161645A CN102733437B CN 102733437 B CN102733437 B CN 102733437B CN 201210161645 A CN201210161645 A CN 201210161645A CN 102733437 B CN102733437 B CN 102733437B
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Abstract
The invention discloses a structure assembly counter weight for an excavator loader and a production method of the structure assembly counter weight, which aim to overcome the defects of easiness to break, short service life, high gravity and poor stability of a counter weight in the prior art. The structure assembly counter weight comprises a box body and a filling material which is filled in the box body, the filling material consists of the following components by weight percentage: 30-50% of iron sand, 20-30% of iron pills, 12.5-41% of quartz sand, 1-5% of gangue and 2.5-8% of cement, and the filling material is filled layer by layer. The production method of the structure assembly counter weight comprises the following steps of: (1) sequentially weighing each component; (2) preparing the iron sand filling material, filling the filling material at the bottom of the box body and vibrating the filling material; (3) preparing the iron pill filling material, filling the iron pill on the iron san and vibrating the iron pill; and (4) preparing a quartz sand and gangue mixing filling material, filling the mixture on the iron pill filling material, vibrating and air drying. The structure assembly counter weight disclosed by the invention has the advantages of difficulty in breaking, long service life, low gravity and good stability.
Description
Technical field
The present invention relates to counterweight and manufacture field, especially relate to structural member balance weight and production method thereof for a kind of excavator loading machine.
Background technology
Excavator, loader need to be installed counterweight in use on car body, carry out balancing vehicle, avoid vehicle nose or rollover, the casting of existing excavator, loader casting counterweight needs a large amount of foundry iron and various rare element conventionally, also need in addition quartz sand, graphite, alcohol, resin, curing compound, coke etc., energy consumption amount is large, and cost is high, counterweight center of gravity is high, poor stability during use.
Chinese patent notification number CN102407564A, on April 11 2012 day for announcing, discloses a kind of preparation method of concrete counterweight part for vehicle, and making step is: (1) makes basin shape housing with sheet metal through cutting, punching press; (2) in the inside of basin shape housing, weld respectively centre bore pipe, fixing hole pipe and hole for hoist pipe; (3) between the inwall and centre bore pipe and fixing hole pipe of basin shape housing, with the webbed metallic framework of welded wire; (4) cement, stone, stone flour, coarse sand, diamond dust, flyash, curing compound, blender and water are not got in mark score by weight, each got raw material mix and blend is made to Concrete Filled material (5) the Concrete Filled material stirring is cast in basin shape housing to natural air drying after compacting, that the present invention has is with low cost, process simple advantage, weak point is, inserts is easy to crack, thereby depart from housing, in use, because inertia causes inserts impact objectives, damage housing, counterweight is short application life; Counterweight center of gravity is high, poor stability during use.
Summary of the invention
The object of the invention is to overcome the deficiency that counterweight is fragile, application life is short, center of gravity high stability is poor of prior art, and the excavator loading machine structural member balance weight of a kind of not fragile, long service life, the low good stability of center of gravity is provided.
Another object of the present invention is to provide the production method of a kind of excavator loading machine with structural member balance weight.
The technical scheme that the present invention solves its technical problem employing is:
A kind of excavator loading machine structural member balance weight, comprise casing and be filled in the inserts in described casing, described inserts is made by the component of following percentage by weight: iron sand 30 ~ 50%, shot 20 ~ 30%, quartz sand 12.5 ~ 41%, gangue 1 ~ 5%, cement 2.5 ~ 8%, described inserts layering is filled.The present invention processes simply, and energy consumption cost is low, iron sand, quartz sand, gangue wide material sources, and raw material is easy to obtain, and by each inserts layering filling, has overcome and between the inserts of different physical property, has been difficult for the problem that mixes, inserts is easy to crack.
As preferably, from bottom half to top, be followed successively by the mixing filling bed of material that iron sand is filled the bed of material, the shot filling bed of material and made by quartz sand and gangue.Heavy inserts is seated in to lower box, and the counterweight center of gravity making is low, good stability during use.
As preferably, the proportion of described iron sand is 4.2 ~ 7.2t/m3.
As preferably, described quartz sand particle size 1 ~ 20mm, the quartz sand percentage by weight that wherein particle diameter is 1 ~ 4mm is 20 ~ 30%, it is 70 ~ 80% that particle diameter is greater than the quartz sand percentage by weight that 4mm is less than or equal to 20mm.The combination of quartz sand thickness, has reduced the void content of mixing inserts, has improved the density of mixing inserts, has also improved the solidifiability that mixes inserts.
As preferably, the inwall plane of symmetry of described casing is welded with the skeleton consisting of reinforcing bar.Skeleton plays fixation to the inserts solidifying, and prevents that inserts shrinkage and cabinet wall from departing from, and while avoiding using, due to inertia, inserts and cabinet wall collide and damage casing.
As preferably, described cabinet wall is bonded with the elastic caoutchouc liner that thickness is 2 ~ 4cm.Elastic caoutchouc liner can be alleviated the destruction that inserts heat rises to casing, also can prevent from departing from cabinet wall after inserts shrinkage, and in causing using, due to inertia inserts damaged in collision casing, elastic caoutchouc liner also can noise reduction, absorbing, thereby extends the casing life-span.
A production method for structural member balance weight for excavator loading machine, described production method comprises the steps:
(1) take successively required iron sand, shot, quartz sand, gangue and cement, described cement is divided into 4 parts;
(2) iron sand and 1 part of cement are mixed, the water that then adds iron sand weight 1 ~ 2% mixes makes iron sand inserts, described iron sand inserts is placed in to bottom half, then jolt ramming;
(3) shot and 1 part of cement are mixed, then add the water of shot weight 1 ~ 2% to mix and make shot inserts, described shot inserts is placed on iron sand inserts to then jolt ramming;
(4) quartz sand, gangue and 2 parts of cement are mixed, then add the water of quartz sand and gangue gross weight 8 ~ 10% to mix and make mixing inserts, described mixing inserts is placed on shot inserts to then jolt ramming, natural air drying.
Each inserts layering is up filled successively from bottom half, and heavy inserts is filled in lower box, and prepared structural member balance weight center of gravity is low, uses good stability.
As preferably, in step (1), the percentage by weight of each component is as follows: iron sand 30 ~ 50%, and shot 20 ~ 30%, quartz sand 12.5 ~ 41%, gangue 1 ~ 5%, cement 2.5 ~ 8%, the percentage by weight sum of each component is 100%.
As preferably, described in step (2), the inwall plane of symmetry of casing is welded with the skeleton consisting of reinforcing bar.
As preferably, the inwall of casing described in step (2) is bonded with the elastic caoutchouc liner that thickness is 2 ~ 4cm.
The present invention has following beneficial effect: (1) processing is simple, much lower with existing casting counterweight specific energy consumption; (2) rationally, proportion is high, can significantly improve the proportion of structural member balance weight in packing material collocation; (3) the inwall plane of symmetry of casing is welded with skeleton or is provided with elastic caoutchouc liner, can avoid or alleviate the rising-heat contracting-cold of inserts, and inserts is not easy to crack, can be not separated with cabinet wall, and casing is not fragile, structural member balance weight long service life.
Accompanying drawing explanation
The structural representation of Fig. 1 embodiment of the present invention 1.
The structural representation of Fig. 2 embodiment of the present invention 2.
In figure: 1-casing; 2-skeleton; 3-mixes the filling bed of material; 4-shot is filled the bed of material; 5-iron sand is filled the bed of material; 6-elastic caoutchouc liner.
The specific embodiment
Below by the specific embodiment, by reference to the accompanying drawings, the present invention is further explained.
Embodiment 1
The density of the iron sand that the present embodiment adopts is 4.2t/m3, and the density of gangue is 1.5t/m3, and the percentage by weight of each component is in Table 1.The digging machine structural element counterweight of 20 tonnes, 4.5 tons of counterweights, 0.3 ton of box weight, 4.2 tons of inserts weight, tank-volumes 1.48m3, the cabinet wall plane of symmetry is welded with the skeleton consisting of reinforcing bar, and the production method of described counterweight comprises the steps:
(1) take successively iron sand 1260kg, shot 840kg, quartz sand 1722kg, gangue 42kg and cement 336kg, described cement is divided into 4 parts, every part of 84kg, in described quartz sand particle diameter 1 ~ 4mm account for 20%, what particle diameter was greater than that 4mm is less than or equal to 20mm accounts for 80%.
(2) iron sand and 84kg cement are mixed, the water that then adds iron sand weight 1.5% stirs and makes iron sand inserts, described iron sand inserts is placed in to bottom half, then jolt ramming.
(3) shot and 84kg cement are mixed, then add the water of shot weight 1.5% to stir and make shot inserts, described shot inserts is placed on iron sand inserts to then jolt ramming.
(4) quartz sand, gangue and 168kg cement are mixed, then add the water of quartz sand and gangue gross weight 9% to stir and make mixing inserts, described mixing inserts is placed on shot inserts to then jolt ramming, natural air drying.
The shared volume of each inserts is as follows: iron sand volume: 1260kg ÷ 4200kg/m3=0.3m3; Shot volume=840kg ÷ 6700kg/m3=0.125m3; Quartz sand volume=1722kg ÷ 2650kg/m3=0.650m3; Gangue volume=42kg ÷ 1500kg/m3=0.028; Cement volume=336kg ÷ 1100kg/m3=0.305m3, adds up to inserts volume=1.41m3.
Embodiment 2
The density of the iron sand that the present embodiment adopts is 6.0t/m3, and the density of gangue is 1.4t/m3, and the percentage by weight of each component is in Table 1.The structural components in shovel loader counterweight of 33 tonnes, 7.7 tons of counterweights, 0.5 ton of box weight, 7.2 tons of inserts weight, tank-volumes is 2.05m3, and described cabinet wall is bonded with the elastic caoutchouc liner that thickness is 2cm, and the production method of described counterweight comprises the steps:
(1) take successively iron sand 2880kg, shot 1800kg, quartz sand 1980kg, gangue 180kg and cement 360kg, described cement is divided into 4 parts, every part of 90kg, in described quartz sand particle diameter 1 ~ 4mm account for 30%, what particle diameter was greater than that 4mm is less than or equal to 20mm accounts for 70%.
(2) iron sand and 90kg cement are mixed, the water that then adds iron sand weight 2% stirs and makes iron sand inserts, described iron sand inserts is placed in to bottom half, then jolt ramming.
(3) shot and 90kg cement are mixed, then add the water of shot weight 2% to stir and make shot inserts, shot inserts is placed on iron sand inserts to then jolt ramming.
(4) quartz sand, gangue and 180kg cement are mixed, then add the water of quartz sand and gangue gross weight 10% to stir and make mixing inserts, described mixing inserts is placed on shot inserts to then jolt ramming, natural air drying.
The shared volume of each inserts is as follows: iron sand volume: 2880kg ÷ 6000kg/m3=0.48m3; Shot volume=1800kg ÷ 6700kg/m3=0.269m3; Quartz sand volume=1980kg ÷ 2650kg/m3=0.747m3; Gangue volume=180kg ÷ 1400kg/m3=0.128; Cement volume=360kg ÷ 1100kg/m3=0.327m3, adds up to inserts volume=1.95m3.
Embodiment 3
The density of the iron sand that the present embodiment adopts is 7.2t/m3, and the density of gangue is 1.2t/m3, and the percentage by weight of each component is in Table 1.The digging machine structural element counterweight of 46 tonnes, 8.6 tons of counterweights, casing weighs 0.6 ton, 8.0 tons of inserts weight, tank-volumes is 2.42m3, and described cabinet wall is bonded with the elastic caoutchouc liner that thickness is 4cm, and the production method of described counterweight comprises the steps:
(1) take successively iron sand 4000kg, shot 2400kg, quartz sand 1000kg, gangue 400kg and cement 200kg, described cement is divided into 4 parts, every part of 50kg, in described quartz sand particle diameter 1 ~ 4mm account for 25%, what particle diameter was greater than that 4mm is less than or equal to 20mm accounts for 75%.
(2) iron sand and 50kg cement are mixed, the water that then adds iron sand weight 1% stirs and makes iron sand inserts, described iron sand inserts is placed in to bottom half, then jolt ramming.
(3) shot and 50kg cement are mixed, then add the water of shot weight 1% to stir and make shot inserts, shot inserts is placed on iron sand inserts to then jolt ramming.
(4) quartz sand, gangue and 125kg cement are mixed, then add the water of quartz sand and gangue gross weight 8% to stir and make mixing inserts, described mixing inserts is placed on shot inserts to then jolt ramming, natural air drying.
The shared volume of each inserts is as follows: iron sand volume: 4000kg ÷ 7200kg/m3=0.555m3; Shot volume=2400kg ÷ 6700kg/m3=0.358m3; Quartz sand volume=1000kg ÷ 2650kg/m3=0.377m3; Gangue volume=400kg ÷ 1200kg/m3=0.833; Cement volume=200kg ÷ 1100kg/m3=0.182m3, adds up to inserts volume=2.30m3.
Table 1 inserts each component percentage by weight table
Excavator loading machine of the present invention is low by the center of gravity of structural member balance weight, during use than existing structural member balance weight good stability, be difficult for occurring sidesway, in the manufacturing process of structural member balance weight of the present invention, the more existing cast member counterweight of energy consumption energy consumption has reduced 50-60%, energy consumption cost is low, the inserts of structural member balance weight of the present invention is not easy to crack, difficult separated with cabinet wall, and the more existing structural member balance weight in application life of structural member balance weight has extended 2 ~ 3 years application life.
Claims (5)
1. a production method for structural member balance weight for excavator loading machine, is characterized in that, described production method comprises the steps:
(1) take successively iron sand, shot, quartz sand, gangue and cement, the percentage by weight of each component is as follows: iron sand 30 ~ 50%, and shot 20 ~ 30%, quartz sand 12.5 ~ 41%, gangue 1 ~ 5%, cement 2.5 ~ 8%, the percentage by weight sum of each component is 100%; Described cement is divided into 4 parts;
(2) iron sand and 1 part of cement are mixed, the water that then adds iron sand weight 1 ~ 2% mixes makes iron sand inserts, iron sand inserts is placed in to bottom half, then jolt ramming;
(3) shot and 1 part of cement are mixed, then add the water of shot weight 1 ~ 2% to mix and make shot inserts, shot inserts is placed on iron sand inserts to then jolt ramming;
(4) quartz sand, gangue and 2 parts of cement are mixed, then add the water of quartz sand and gangue gross weight 8 ~ 10% to mix and make mixing inserts, mixing inserts is placed on shot inserts to then jolt ramming, natural air drying.
2. the production method of structural member balance weight for a kind of excavator loading machine according to claim 1, is characterized in that, described in step (2), the inwall plane of symmetry of casing is welded with the skeleton consisting of reinforcing bar.
3. the production method of structural member balance weight for a kind of excavator loading machine according to claim 1, is characterized in that, the inwall of casing described in step (2) is bonded with the elastic caoutchouc liner that thickness is 2 ~ 4cm.
4. production method according to claim 1 and 2, is characterized in that, the proportion of described iron sand is 4.2 ~ 7.2t/m3.
5. production method according to claim 1 and 2, it is characterized in that, described quartz sand particle size is 1 ~ 20mm, and the quartz sand percentage by weight that wherein particle diameter is 1 ~ 4mm is 20 ~ 30%, and it is 70 ~ 80% that particle diameter is greater than the quartz sand percentage by weight that 4mm is less than or equal to 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210161645.4A CN102733437B (en) | 2012-05-23 | 2012-05-23 | Structure assembly counter weight for excavator loader and production method of structure assembly counter weight |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210161645.4A CN102733437B (en) | 2012-05-23 | 2012-05-23 | Structure assembly counter weight for excavator loader and production method of structure assembly counter weight |
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| Publication Number | Publication Date |
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| CN102733437A CN102733437A (en) | 2012-10-17 |
| CN102733437B true CN102733437B (en) | 2014-07-23 |
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| CN201210161645.4A Expired - Fee Related CN102733437B (en) | 2012-05-23 | 2012-05-23 | Structure assembly counter weight for excavator loader and production method of structure assembly counter weight |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102927201A (en) * | 2012-11-14 | 2013-02-13 | 广西玉柴重工有限公司 | Counter weight of aerial work platform |
| CN109466714A (en) * | 2018-10-19 | 2019-03-15 | 广州海洋地质调查局 | A kind of permanent ballast of cement steel sand mixture |
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| CN2771167Y (en) * | 2005-03-02 | 2006-04-12 | 李林 | Combined counterpoise |
| JP2007132126A (en) * | 2005-11-11 | 2007-05-31 | Shin Caterpillar Mitsubishi Ltd | Counter weight, manufacturing method of counter weight and working machine |
| CN101182140A (en) * | 2007-11-02 | 2008-05-21 | 浙江工业大学 | Super slow-setting cement |
| CN101482219A (en) * | 2008-09-09 | 2009-07-15 | 夏咸仁 | Counterbalance weight of engineering machinery |
| JP4431102B2 (en) * | 2005-11-11 | 2010-03-10 | キャタピラージャパン株式会社 | Counterweight, counterweight manufacturing method, and work machine |
| CN102241493A (en) * | 2011-04-19 | 2011-11-16 | 广东红墙新材料股份有限公司 | Pit backfill material, preparation method thereof and application method thereof |
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2012
- 2012-05-23 CN CN201210161645.4A patent/CN102733437B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2771167Y (en) * | 2005-03-02 | 2006-04-12 | 李林 | Combined counterpoise |
| JP2007132126A (en) * | 2005-11-11 | 2007-05-31 | Shin Caterpillar Mitsubishi Ltd | Counter weight, manufacturing method of counter weight and working machine |
| JP4431102B2 (en) * | 2005-11-11 | 2010-03-10 | キャタピラージャパン株式会社 | Counterweight, counterweight manufacturing method, and work machine |
| CN101182140A (en) * | 2007-11-02 | 2008-05-21 | 浙江工业大学 | Super slow-setting cement |
| CN101482219A (en) * | 2008-09-09 | 2009-07-15 | 夏咸仁 | Counterbalance weight of engineering machinery |
| CN102241493A (en) * | 2011-04-19 | 2011-11-16 | 广东红墙新材料股份有限公司 | Pit backfill material, preparation method thereof and application method thereof |
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