CN103047367B - Counter weight device and engineering machinery - Google Patents
Counter weight device and engineering machinery Download PDFInfo
- Publication number
- CN103047367B CN103047367B CN201210580996.9A CN201210580996A CN103047367B CN 103047367 B CN103047367 B CN 103047367B CN 201210580996 A CN201210580996 A CN 201210580996A CN 103047367 B CN103047367 B CN 103047367B
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- cavity
- counter weight
- connecting tube
- weight device
- counterweight
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Abstract
The invention discloses a counter weight device and engineering machinery. The counter weight device comprises a counter weight body, at least two cavities which are mutually communicated are reserved in the counter weight body, an air inlet is arranged on the sidewall of each cavity, and counter weight bulk material is filled in at least one of the cavities. By filling the counter weight bulk material into the cavities and enabling the counter weight bulk material to shift among the cavities via pneumatic transmission, shift of gravity center of counter weight is realized. The counter weight device is needless of mechanical disassembling, and is simple in structure and easy to operate.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of counter weight device and engineering machinery.
Background technique
Rotary drilling rig, as a kind of engineering machinery, has a wide range of applications in engineering construction.Rotary drilling rig is generally configured with counterweight, to stablize its center of gravity during rotary drilling rig work.At present, the counterweight of rotary drilling rig is fixed, and after counterweight is installed, the position of centre of gravity of rotary drilling rig immobilizes.Along with the fast development of economic construction, rotary drilling rig is also to the method for multiplexing, multi-functional future development, the center of gravity of different engineering methods to rotary drilling rig has different requirements, when needing to adjust the center of gravity of rotary drilling rig, can only adjust the mounting point of counterweight, because counterweight is generally heavier, not only movement gets up to waste time and energy, and, rotary drilling rig also not necessarily there is the suitable space of installing for it, so existing counterweight is difficult to the centre of gravity adjustment requirement meeting rotary drilling rig.
Summary of the invention
In view of this, the present invention proposes a kind of counter weight device and engineering machinery, the center of gravity of this counter weight device can regulate.
An aspect, the invention provides a kind of counter weight device, and for engineering machinery, this counter weight device comprises: counterweight body; Wherein, offer at least two cavitys be interconnected in counterweight body, the sidewall of each cavity is provided with suction port, is filled with counterweight bulk cargo at least one cavity.
Further, above-mentioned counter weight device also comprises the connecting tube being arranged on counterweight body exterior, is connected between each cavity by connecting tube, and the diameter of counterweight bulk cargo is less than the internal diameter of connecting tube.
Further, in above-mentioned counter weight device, each connecting tube is provided with valve.
Further, in above-mentioned counter weight device, the cavity offered in counterweight body comprises the first cavity and the second cavity, and the sidewall of the first cavity and the second cavity is respectively arranged with the first suction port and the second suction port.
Further, in above-mentioned counter weight device, connecting tube comprises the first connecting tube and the second connecting tube; Wherein, one end of the first connecting tube is connected with the first cavity, and the other end is connected with the second cavity, and the first suction port is arranged on the first connecting tube one end near the first cavity; One end of second connecting tube is connected with the first cavity, and the other end is connected with the second cavity, and the second suction port is arranged on the second connecting tube one end near the second cavity.
Further, in above-mentioned counter weight device, the bottom surface of the first cavity is an inclined-plane, and one end that one end of the second connecting tube is lower with inclined-plane is connected.
Further, in above-mentioned counter weight device, the bottom surface of the second cavity is an inclined-plane, and one end that the other end of the first connecting tube is lower with inclined-plane is connected.
Further, in above-mentioned counter weight device, counterweight bulk cargo is shot.
Counter weight device in the present invention have employed the mode of filling counterweight bulk cargo in the cavities, and by Geldart-D particle, counterweight bulk cargo is shifted between cavity, thus realizes the transfer of counterweight center of gravity; This counter weight device does not need machinery dismounting, and structure is simple, is easy to operation.
On the other hand, the invention allows for a kind of engineering machinery, this project is mechanically provided with any one counter weight device above-mentioned.
Further, engineering machinery is rotary drilling rig.
Because counter weight device has above-mentioned effect, so the engineering machinery with this counter weight device also has corresponding technique effect.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the perspective view of counter weight device embodiment of the present invention;
Fig. 2 is the plan view of counter weight device embodiment of the present invention;
Fig. 3 is the plan view of counter weight device embodiment of the present invention;
Fig. 4 is the side view of counter weight device embodiment of the present invention.
Description of reference numerals:
1 counterweight body
11 first cavitys
111 first suction ports
12 second cavitys
121 second suction ports
2 counterweight bulk cargos
3 two-way valves
Embodiment
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
See Fig. 1 to Fig. 4, there is shown the preferred embodiment of counter weight device of the present invention, this counter weight device is used for engineering machinery.As shown in the figure, this counter weight device comprises: counterweight body 1; Wherein, offer at least two cavitys be interconnected in counterweight body 1, the sidewall of each cavity is provided with suction port, is filled with counterweight bulk cargo 2 at least one cavity.
Such as, the first cavity 11, second cavity 12 and the 3rd cavity is provided with in counterweight body 1, be connected by third connecting pipeline between first cavity 11 and the second cavity 12, be connected by the 4th connecting tube between first cavity 11 and the 3rd cavity, be connected by the 5th connecting tube between the second cavity 12 with the 3rd cavity.Each connecting tube can be the connecting tube of processing in counterweight body 1, also can for being arranged on the connecting tube of counterweight body 1 outside, the diameter of counterweight bulk cargo 2 is less than the internal diameter of each connecting tube, can move to make counterweight bulk cargo 2 along connecting tube between each cavity.Preferably, in order to control the direction of counterweight bulk cargo 2 movement, each connecting tube is provided with valve (not shown).
Below to be pre-charged with counterweight bulk cargo 2 in the first cavity, the center of gravity adjustment process of this counter weight device is described:
When passing into pressurized air in the first cavity 11, relative to the first cavity 11, form negative pressure in second cavity 12 and the 3rd cavity, counterweight bulk cargo is sucked in the second cavity 12 and the 3rd cavity, the center of gravity of this counter weight device is shifted to the side at the second cavity 12 and the 3rd cavity place; Certainly, also by the valve closing on the 5th connecting tube between the first cavity 11 and the 3rd cavity, counterweight bulk cargo can be controlled and is moved between the first cavity 11 and the second cavity 12.
In the present embodiment, by regulating the gas flow passing into compressed-air actuated force value in cavity and pass into, the weight of the Weighting filler that transfer occurs can be controlled, and then control the variable quantity of position of centre of gravity of this counter weight device, realize many grades and regulate counterweight position of centre of gravitys.
Present invention employs the mode of filling counterweight bulk cargo in cavity, and by Geldart-D particle, counterweight bulk cargo is shifted in cavity, thus realize the transfer of counterweight center of gravity; In addition, this counter weight device structure is simple, is easy to operation.
Below to offer the situation of two cavitys in counterweight body 1, the structure of this counter weight device is described in more detail.
As shown in the figure, the cavity offered in counterweight body 1 in this counter weight device comprises the first cavity 11 and the second cavity 12, the sidewall of the first cavity 11 and the second cavity 12 is respectively arranged with in the first suction port 111 and the second suction port 121, first cavity 11 and/or the second cavity 12 and is filled with counterweight bulk cargo 2.
Specifically, the first cavity 11 and the second cavity 12 are two closed cavitys, and the first suction port 111 is connected with the first cavity 11, and the second suction port 121 is connected by connecting tube with the second cavity 12, and this connecting tube can be pipe.In the first cavity 11, be filled with counterweight bulk cargo 2, counterweight bulk cargo 2 can be shot, i.e. the steel ball of circle, ellipse or other shapes, certainly, and the counterweight bulk cargo also can made for other materials; In order to make counterweight bulk cargo 2 can shift between the first cavity 11 and the second cavity 12, the diameter of counterweight bulk cargo 2 is less than the diameter of the connecting pipe between the first cavity 11 and the second cavity 12.
It should be noted that: when specifically implementing, counterweight bulk cargo 2 can be filled in advance in the first cavity 11 and/or the second cavity 12 according to actual needs, but counterweight bulk cargo 2 can not riddle two cavitys, can move in two cavitys to make counterweight bulk cargo 2.
The adjustment process of this counter weight device center of gravity is: when passing into pressurized air by the first suction port 111 in the first cavity 11, relative to the first cavity 11, negative pressure is formed in second cavity 12, shot is sucked in the second cavity 12, the center of gravity of this counter weight device is shifted to the side at the second cavity 12 place; In like manner, when passing into pressurized air by the second suction port 121 in the second cavity 12, shot also can be sucked back in the first cavity 11, and the center of gravity of this counter weight device is shifted to the first side, cavity 11 location.
Can find out, by regulating the compressed-air actuated force value passed in the first cavity 11 or the second cavity 12 and the gas flow passed into, the quantity of shot that transfer occurs can be controlled, and then control the variable quantity of position of centre of gravity of this counter weight device, realize many grades and regulate counterweight position of centre of gravitys.
Continue see Fig. 2, Fig. 3, can find out, in above-described embodiment, the connecting tube between the first cavity 11 and the second cavity 12 can be arranged on the outside of counterweight body 1, and the diameter of counterweight bulk cargo 2 is less than the internal diameter of this connecting tube.
Particularly, this connecting tube comprises the first connecting tube 21 and the second connecting tube 22.Wherein, one end of the first connecting tube 21 is connected with the first cavity 11, and the other end is connected with the second cavity 12, and the first suction port 111 is arranged on the first connecting tube 21 one end near the first cavity 11; One end of second connecting tube 22 is connected with the first cavity 11, and the other end is connected with the second cavity 12, and the second suction port 121 is arranged on the second connecting tube 22 one end near the second cavity 12.
In the present embodiment, install two-way valve 3 at the first connecting tube 21 near one end of the first cavity 11, one end of two-way valve 3 is installed on the first connecting tube 21, and the other end is as the first suction port 111 of the first cavity 11.In like manner, the second suction port 121 also can be realized by two-way valve, does not hereby repeat.
When passing into pressurized air by the first suction port 111 in the first cavity 11, shot in first cavity 11 enters in the second cavity 12 by the second connecting tube 22, when passing into pressurized air by the second suction port 121 in the second cavity 12, shot in second cavity 12 enters in the first cavity 11, to realize the adjustment to counter weight device center of gravity by the first connecting tube 21.Enter in the second connecting tube 22 to make the shot in the first cavity 11 be easy to, the bottom surface of the first cavity 11 can be an inclined-plane, and one end that one end of the second connecting tube 22 is lower with this inclined-plane is connected, and shot slips in the second connecting tube 22 along this inclined-plane.In like manner, enter in the first connecting tube 21 to make the shot in the second cavity 12 be easy to, the bottom surface of the second cavity 12 also can be an inclined-plane, and one end that the other end of the first connecting tube 21 is lower with this inclined-plane is connected.
Can be found out by above-described embodiment, the present invention offers at least two cavitys be interconnected in counterweight body, and in cavity, fill counterweight bulk cargo, by Geldart-D particle, counterweight bulk cargo is moved in two cavitys, to change the center of gravity of this counter weight device.
The invention allows for a kind of engineering machinery, such as rotary drilling rig, this project is mechanically provided with any one counter weight device above-mentioned.Wherein, the specific implementation process of counter weight device illustrates with reference to above-mentioned, and the present invention does not repeat them here.
Because counter weight device has above-mentioned effect, so the engineering machinery with this counter weight device also has corresponding technique effect.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a counter weight device, for engineering machinery, is characterized in that, this counter weight device comprises: counterweight body (1); Wherein,
Offer at least two cavitys be interconnected in described counterweight body (1), the sidewall of each described cavity is provided with suction port, is filled with counterweight bulk cargo (2) in cavity described at least one;
Described counter weight device also comprises the connecting tube being arranged on described counterweight body (1) outside, and be connected by described connecting tube between described each cavity, the diameter of described counterweight bulk cargo (2) is less than the internal diameter of described connecting tube;
The cavity offered in described counterweight body (1) comprises the first cavity (11) and the second cavity (12), and the sidewall of described first cavity (11) and described second cavity (12) is respectively arranged with the first suction port (111) and the second suction port (121);
Described connecting tube comprises the first connecting tube (21) and the second connecting tube (22); Wherein,
One end of described first connecting tube (21) is connected with described first cavity (11), the other end is connected with described second cavity (12), and described first suction port (111) is arranged on described first connecting tube (21) one end near described first cavity (11);
One end of described second connecting tube (22) is connected with described first cavity (11), the other end is connected with described second cavity (12), and described second suction port (121) is arranged on described second connecting tube (22) one end near described second cavity (12).
2. counter weight device according to claim 1, is characterized in that, each described connecting tube is provided with valve.
3. counter weight device according to claim 1, is characterized in that, the bottom surface of described first cavity (11) is an inclined-plane, and one end that one end of described second connecting tube (22) is lower with described inclined-plane is connected.
4. counter weight device according to claim 1, is characterized in that, the bottom surface of described second cavity (12) is an inclined-plane, and one end that the other end of described first connecting tube (21) is lower with described inclined-plane is connected.
5. counter weight device according to any one of claim 1 to 4, is characterized in that, described counterweight bulk cargo (2) is shot.
6. an engineering machinery, is characterized in that, described engineering machinery is provided with the counter weight device according to any one of claim 1 to 5.
7. engineering machinery according to claim 6, is characterized in that, described engineering machinery is rotary drilling rig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210580996.9A CN103047367B (en) | 2012-12-27 | 2012-12-27 | Counter weight device and engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210580996.9A CN103047367B (en) | 2012-12-27 | 2012-12-27 | Counter weight device and engineering machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103047367A CN103047367A (en) | 2013-04-17 |
| CN103047367B true CN103047367B (en) | 2015-05-13 |
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ID=48060136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210580996.9A Expired - Fee Related CN103047367B (en) | 2012-12-27 | 2012-12-27 | Counter weight device and engineering machinery |
Country Status (1)
| Country | Link |
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| CN (1) | CN103047367B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103470687B (en) * | 2013-09-26 | 2015-11-25 | 徐州重型机械有限公司 | Perfusion weight-balancing device |
| CN108301763B (en) * | 2017-12-29 | 2019-11-29 | 重庆邦略投资有限公司 | A kind of rotary drilling rig with automatic counterweight apparatus |
| CN108301764B (en) * | 2017-12-29 | 2019-11-29 | 重庆邦略投资有限公司 | A kind of rotary drilling rig of automatic weighing |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2224241A (en) * | 1938-02-28 | 1940-12-10 | Verdier John Lafayette | Rotary extractor |
| CN2818429Y (en) * | 2005-07-07 | 2006-09-20 | 高峰 | Convenient crane |
| CN1958968A (en) * | 2006-11-23 | 2007-05-09 | 邓长峰 | Multifunctional pile driver |
| CN201695955U (en) * | 2010-02-09 | 2011-01-05 | 杭州杭重威施诺机械科技有限公司 | Counter weight and rotary drilling rig provided with same |
| CN201857227U (en) * | 2010-03-16 | 2011-06-08 | 张兴汉 | Tower crane |
| CN102094597A (en) * | 2010-12-05 | 2011-06-15 | 邱兵 | Automatic balance adjustment device for pumping unit by utilizing liquid counterweight rider |
| CN202245847U (en) * | 2011-09-21 | 2012-05-30 | 三一重工股份有限公司 | Counterweight device and engineering machine |
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2012
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| CN103047367A (en) | 2013-04-17 |
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Effective date of registration: 20180918 Address after: 102200 3 floor, 6 building, 8 North Road, Huilongguan Town, Changping District, Beijing Patentee after: Beijing 31 wisdom Manufacturing Technology Co., Ltd. Address before: 410100 31 industrial city, Changsha economic and Technological Development Zone, Hunan Patentee before: Sanyi Heavy Industry Co., Ltd. |
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Granted publication date: 20150513 Termination date: 20201227 |
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