CN101736763B - Foundation pit excavator - Google Patents
Foundation pit excavator Download PDFInfo
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- CN101736763B CN101736763B CN 200810203472 CN200810203472A CN101736763B CN 101736763 B CN101736763 B CN 101736763B CN 200810203472 CN200810203472 CN 200810203472 CN 200810203472 A CN200810203472 A CN 200810203472A CN 101736763 B CN101736763 B CN 101736763B
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- walking
- foundation pit
- support
- long guideway
- excavator
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
- E02F3/34—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets with bucket-arms, i.e. a pair of arms, e.g. manufacturing processes, form, geometry, material of bucket-arms directly pivoted on the frames of tractors or self-propelled machines
- E02F3/352—Buckets movable along a fixed guide
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to a special machine in engineering machinery, in particular to a special foundation pit excavating machine in basic construction and civil engineering. A foundation pit excavator comprises an excavating mechanism provided with a turnover excavator grab and a telescopic digging arm, wherein the excavating mechanism is arranged above a bracket provided with two parallel long guide rails and can move along the long guide rails and horizontally rotate on the long guide rails; the lower two ends of the bracket are provided with walking mechanisms consisting of double-crawler units respectively, and each double-crawler unit can horizontally rotate respectively; and power sources of the excavating mechanism and the walking mechanism are motors and/or engines and/or hydraulic motors. The length of the long guide rails is 7 to 10 meters, generally 8 meters. An excavating device is custom-made in a mode of adapting to a complex environment under a foundation pit and an excavating machine suitable for occasions with poor ground conditions, soft underground soil, severe sludge and large excavation range. The foundation pit excavator has the advantages of high flexibility, large working range and high excavation efficiency.
Description
(1) technical field
The present invention is the special-purpose machinery in a kind of engineering machinery, particularly relates to a kind of special-purpose machinery that foundation ditch excavates in the capital construction civil engineering.
(2) background technology
The development of engineering machinery is and national economy, particularly Foundation Design is built closely-related, Chinese national economy has kept steady and stabilized growth, in Midwest great development engineering, gas east, west is sent, west-to-east power transmission, the enforcement successively and the Development of China's Urbanization of a series of engineerings of south water to north or the like are further accelerated, especially metro construction, the underground construction of highrise building, underground transportation facilities carry out the demand that engineering machinery market has all greatly been expanded in development, development along with economic situation, in recent years wherein fastest-rising is excavator, secondly is loader, fork truck and automobile crane.
In the infrastructure large scale investment of various places was built, wherein a series of capital construction civil engineering projects such as road traffic, track traffic, house property and relevant rudimentary ancillary facility were comed one after another.Construction task as civil engineering capital construction class, except scientific construction process and high-tech high technical ability talents, mainly still rely on modern large-scale professional equipment to finish, because building project is of a great variety, ambient conditions differs, and is also different to the excavating equipment requirement of foundation ditch.
Assess present excavator market, under general occasion, the excavator of prior art, no matter wheeled and caterpillar excavator still can satisfy instructions for use, people are constantly at the telescopic arm of excavator, bucket, power, aspects such as maneuverability are improved, perfect, improve, yet that vast territory and abundant resources is vast in territory in China, the geographical thing looks of the four corners of the world differ greatly, some regional antecedent soil moisture is hard, some area is moist soft, it is less that some occasion is excavated scope, the works limit of some excavation is but very big, therefore, not only can't stretch skill at the common excavator of some more special regional prior aries, operating efficiency is low, also is prone to fault sometimes, trouble and dangerous situation.
Understand according to investigations, the excavator product is in use limited at present, and the inefficient several main cause of cutting the earth is: because foundation ditch is darker, be difficult to realize comprehensive shoveling by the separate unit excavator, need many little excavators to cooperate down below; Because underground earth is softer, need manually to lay steel plate repeatedly, it is sunken that little excavator is not dragged down below; Because the working range of little excavator is limited, need travel back and forth soil could be transported to and specify out the soil, though the distance of some occasion transportation is not far, more than these round operations greatly reduce operating efficiency.Do not fit into the designing requirement of former brace summer in addition owing to the appearance and size of traditional excavator, also need the support interval of former brace summer is done redesign adjustment and reinforcement.
Excavator market, the special construction excavator of occasion such as eager hope can provide to be satisfied under complicated environmental condition, and for example mud is serious, and the foundation ditch area is big increases the compliance of excavator, improves digging efficiency, accelerates the infrastructure speed and the efficient of China.
(3) summary of the invention
The purpose of this invention is to provide that a kind of to be suitable for ground condition relatively poor, subsurface geology is soft, mud is more serious, the excavator structure of the big occasion of excavation scope.
Purpose of the present invention is solved by following technical scheme:
A kind of foundation pit excavator comprises that bucket is turning, and the telescopic digging mechanism of digging arm is characterized in that:
Described digging mechanism is configured in the support top that comprises that two parallel long guide rails constitute, and can move along long guideway, can horizontally rotate on long guideway;
Have two ends to dispose the walking mechanism that is made of two crawler belt units respectively in the support bottom, each two crawler belt unit can horizontally rotate respectively;
The power source of described digging mechanism, walking mechanism is motor and/or motor and/or hydraulic motor.
The length of described long guideway is seven to ten meters, and commonly used is eight meters.
Described digging mechanism can move along long guideway and be the both sides of digging mechanism, be connected to the turbine and worm reduction box of two rods by the sprocket wheel parallel, chain with long guideway, the turbine and worm reduction box is by fluid motor-driven, hydraulic motor provides power source by the hydraulic pump that drives walking mechanism, and hydraulic pump is by driven by motor.
Described support is for disposing long guideway above the framework that is welded into by seamless steel pipe.
Described digging mechanism is configured in the support top, and a frame panoramic table is set between digging mechanism and support, and the top of frame panoramic table is the frame gyration gear ring, and the below of frame panoramic table embeds in the long guideway of support.
Described support bottom configuration walking mechanism is: between support and walking mechanism delegation is set and walks panoramic table, the top of walking panoramic table is the moving guide rail draw-in groove, and the below of walking panoramic table is the walking gyration gear ring.
Adopt the technical program, excavator reduces the pressure of ground unit area under the walking mechanism that two two crawler belt units are formed supports, and therefore, skids even also be unlikely to drag on soft ground, mud to fall into, and the operation walking is freely more convenient.When two two crawler belt units rotate to support long guideway equidirectional simultaneously, can allow excavator on narrower and small road, walk, as long as the trade can hold the width that two long guideway supports form, so this device can all around take action easily, and mobility is good.Rotation as for the crawler belt unit, both can directly rotate each comfortable support below, also can alleviate the pressure light rotation of excavator in the following way to ground, promptly, the digging mechanism of support top is moved to an end of support long guideway, the operation digging mechanism, make digging arm stretch to the opposite side of long guideway, the bucket parts prop up ground and outwards stretch out gradually, make the other end of long guideway produce the trend of upwards lifting, obviously alleviated the two crawler belt units in the other end below pressure of face over the ground, can be rotated more easily.Two crawler belt units at two ends can be rotated respectively so, not only freedom of movement but also do not damage the bottom surface soil.Two crawler belt units at two ends can the synchronous or asynchronous anglec of rotation, can realize the walking of machine any direction.
In order to embody the advantage of this device apparent in viewly, the long guideway of support generally can be selected for use about 8 meters, too short performance not the strong point of the technical program, long both unnecessary, also can bring handicapped obstacle, digging mechanism can move on 8 meters long long guideways back and forth freely according to the operation needs, and operational action is very light, has improved mining efficiency greatly.
Described digging mechanism moving on long guideway to adopting the sprocket chain bar to drive, the sprocket wheel chain is driven by the turbine and worm reduction box of two rods, has synchronously, self-locking action, and reduction box is driven by hydraulic motor, and power source derives from the motor of walking mechanism.
Everything operation of the present invention can be adopted remote control control, realizes automated job by programming, increases work efficiency, and improves working security.
Beneficial effect of the present invention: under the complex environment under the adaptation foundation ditch, the degree body is developed a kind of shoveling equipment, need not the adjustment that steel plate, brace summer spacing are laid in the bottom, improves the native efficient of falling back and forth, has improved the shoveling efficient of machine integral body.Provide that a kind of to be suitable for ground condition relatively poor, subsurface geology is soft, mud is more serious, the excavator structure of the big occasion of excavation scope, and maneuverability is good, improves digging efficiency.
(4) description of drawings
The front view that Fig. 1 observes from the side for a kind of embodiment of foundation pit excavator of the present invention;
Fig. 2 is the schematic perspective view of a kind of embodiment of foundation pit excavator of the present invention;
Fig. 3 is the right view of Fig. 1;
Fig. 4 is the vertical view of Fig. 1;
Fig. 5 is the schematic perspective view of foundation pit excavator of the present invention dredge operation in foundation ditch;
Fig. 6 is a foundation pit excavator of the present invention, the both sides of its digging mechanism are connected to the turbine and worm reduction box of two rods by the sprocket wheel parallel with long guideway, chain, the turbine and worm reduction box is by fluid motor-driven, and hydraulic motor is by the perspective view of the driven by motor that drives walking mechanism;
Fig. 7 is a foundation pit excavator of the present invention, and its digging mechanism has rotated an angle on support, is making the schematic perspective view of digging operation;
Among the figure, 1-bucket; 2-bucket cylinder; 3-expansion link; 4-digging arm; 5-amplitude oil cylinder; 6-digging mechanism rotary fluid motor; 7-hydraulic oil container; 8-frame panoramic table; 9-long guideway; 10-walking panoramic table; 11-walking gyration gear ring; 12-crawler belt unit; 13-sprocket wheel chain; 14-frame gyration gear ring; 15-switchbox; 16-main pump; 17-upper coupling; 18-upward motors; 19-motor; 20-turbine and worm reduction box; 21-following motor; 22-shaft coupling; 23-hydraulic motor.
(5) specific implementation method
Further describe structure of the present invention below in conjunction with accompanying drawing.
A kind of foundation pit excavator comprises that bucket 1 is turning, and digging arm 4 telescopic digging mechanisms, described digging mechanism are configured in the support top that comprises that two parallel long guide rails 9 constitute, and can move along long guideway 9, can horizontally rotate on long guideway 9.
Have two ends to dispose the walking mechanism that is made of two crawler belt units 12 respectively in the support bottom, each two crawler belt unit 12 can horizontally rotate respectively.
The power source of described digging mechanism, walking mechanism is motor and/or motor and/or hydraulic motor.
The length of long guideway 9 is seven to ten meters, and commonly used is eight meters.
The both sides of digging mechanism, be connected to the turbine and worm reduction box 20 of two rods by the sprocket wheel chain 13 parallel with long guideway 9, turbine and worm reduction box 20 reaches driving by hydraulic pressure horse 23, and hydraulic motor 23 provides power source by the hydraulic pump that drives walking mechanism, and hydraulic pump is by motor 21 drives down.
Configuration long guideway 9 constitutes above the framework that support is welded into by seamless steel pipe.
One frame panoramic table is set between digging mechanism and support, and the top of frame panoramic table is a frame gyration gear ring 14, and the below of frame panoramic table embeds in the long guideway 9 of support.
Delegation is set between support and walking mechanism walks panoramic table 10, the top of walking panoramic table 10 is a moving long guide rail draw-in groove, and the below of walking panoramic table is walking gyration gear ring 11.
Excavator reduces the pressure of ground unit area under the walking mechanism that two two crawler belt units 12 are formed supports, and therefore, skids even also be unlikely to drag on soft ground, mud to fall into, and the operation walking is freely more convenient.When two two crawler belt units 12 rotate to support long guideway parallel direction simultaneously, can allow excavator on narrower and small road, walk, as long as the trade can hold the width that two long guideways, 9 supports form, so this device can all around take action easily, and mobility is good.The rotation of crawler belt unit 12, both can directly rotate each comfortable support below, also the digging mechanism of support top can be moved to an end of support long guideway 9, the operation digging mechanism, make digging arm 4 stretch to the opposite side of long guideway 9, bucket 1 parts prop up ground and outwards stretch out gradually, make the other end of long guideway 9 produce the trend of upwards lifting, obviously alleviated the pressure on two 12 pairs of ground of crawler belt unit, other end below, can be rotated more easily.Two crawler belt units 12 at two ends can be distinguished so rotation, not only freedom of movement but also do not damage the bottom surface soil.Two crawler belt units 12 at two ends are the anglec of rotation arbitrarily, realizes the walking of machine any direction.
In order to embody the advantage of this device apparent in viewly, the long guideway 9 of support generally can be selected for use about 8 meters, digging mechanism can be on 8 meters long long guideways 9 moves back and forth freely according to the operation needs, operational action is very light, has improved the efficient of excavation, overturning greatly.
Described digging mechanism moving on long guideway 9 to adopting sprocket wheel chain 13 to drive, sprocket wheel chain 13 is driven by the turbine and worm reduction box 20 of two rods, have synchronous, self-locking action, reduction box 20 is driven by hydraulic motor 23, and power source derives from the following motor 21 of walking mechanism.
Everything operation of the present invention can be adopted remote control control, improves working security.
Claims (4)
1. a foundation pit excavator comprises that bucket is turning, and the telescopic digging mechanism of digging arm is characterized in that:
Described digging mechanism is configured in the support top that comprises that two parallel long guide rails constitute, and can move along long guideway, can horizontally rotate on long guideway;
Have two ends to dispose the walking mechanism that is made of two crawler belt units respectively in the support bottom, each two crawler belt unit can horizontally rotate respectively;
The power source of described digging mechanism, walking mechanism is motor and/or motor and/or hydraulic motor;
Described digging mechanism can move along long guideway and be the both sides of digging mechanism, be connected to the turbine and worm reduction box of two rods by the sprocket wheel parallel, chain with long guideway, the turbine and worm reduction box is by fluid motor-driven, hydraulic motor provides power source by the hydraulic pump that drives walking mechanism, and hydraulic pump is by driven by motor;
Described digging mechanism is configured in the support top: a frame panoramic table is set between digging mechanism and support, and the top of frame panoramic table is the frame gyration gear ring, and the below of frame panoramic table embeds in the long guideway of support;
Support bottom configuration walking mechanism is: between support and walking mechanism delegation is set and walks panoramic table, the top of walking panoramic table is the moving guide rail draw-in groove, and the below of walking panoramic table is the walking gyration gear ring.
2. according to the described foundation pit excavator of claim 1, the length that it is characterized in that described long guideway is seven to ten meters.
3. according to the described foundation pit excavator of claim 2, the length that it is characterized in that described long guideway is eight meters.
4. according to the described foundation pit excavator of claim 1, it is characterized in that described support is for disposing long guideway above the framework that is welded into by seamless steel pipe.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810203472 CN101736763B (en) | 2008-11-27 | 2008-11-27 | Foundation pit excavator |
| PCT/CN2009/000874 WO2010060255A1 (en) | 2008-11-27 | 2009-08-04 | Excavator for foundation pit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810203472 CN101736763B (en) | 2008-11-27 | 2008-11-27 | Foundation pit excavator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101736763A CN101736763A (en) | 2010-06-16 |
| CN101736763B true CN101736763B (en) | 2011-09-21 |
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ID=42225198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810203472 Active CN101736763B (en) | 2008-11-27 | 2008-11-27 | Foundation pit excavator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101736763B (en) |
| WO (1) | WO2010060255A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906791A (en) * | 2010-08-11 | 2010-12-08 | 许世东 | Intelligent crushing and loading roadway repairer |
| CN103541380B (en) * | 2013-09-26 | 2017-03-22 | 张海林 | Rotary mucking machine for coal mine |
| CN108118728B (en) * | 2017-12-29 | 2023-01-24 | 上海建工集团股份有限公司 | Efficient soil excavating device and method for special-shaped deep foundation pit |
| CN108411958A (en) * | 2018-05-10 | 2018-08-17 | 山东科技大学 | A kind of the linear running slipping mechanism and its implementation of mechanical arm |
| CN108867728B (en) * | 2018-09-07 | 2024-04-26 | 闪潘潘 | Dig machine for deep foundation pit excavation and use method thereof |
| CN113684875B (en) * | 2021-07-08 | 2022-08-23 | 浙江中瑞建筑工程有限公司 | Soft soil stratum ultra-wide deep foundation pit construction process |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3247743C1 (en) * | 1982-12-23 | 1984-03-15 | O & K Orenstein & Koppel Ag, 1000 Berlin | Opencast mining bucket wheel excavator superstructure - swivels on bridge linking endless tracks and bearing material discharge belt |
| CN2811406Y (en) * | 2005-08-15 | 2006-08-30 | 王力纬 | Walking type rotary drilling machine |
| CN201024432Y (en) * | 2007-04-18 | 2008-02-20 | 上海市第二市政工程有限公司 | Deep foundation pit automatic soil-dredging construction device |
| CN201354460Y (en) * | 2008-11-27 | 2009-12-02 | 上海市第二市政工程有限公司 | Civil engineering foundation pit excavating device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2015719C (en) * | 1989-06-20 | 1994-10-25 | Hartmut Grathoff | Continuously operating open-cast mining device with a cylindrical breaking tool |
-
2008
- 2008-11-27 CN CN 200810203472 patent/CN101736763B/en active Active
-
2009
- 2009-08-04 WO PCT/CN2009/000874 patent/WO2010060255A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3247743C1 (en) * | 1982-12-23 | 1984-03-15 | O & K Orenstein & Koppel Ag, 1000 Berlin | Opencast mining bucket wheel excavator superstructure - swivels on bridge linking endless tracks and bearing material discharge belt |
| CN2811406Y (en) * | 2005-08-15 | 2006-08-30 | 王力纬 | Walking type rotary drilling machine |
| CN201024432Y (en) * | 2007-04-18 | 2008-02-20 | 上海市第二市政工程有限公司 | Deep foundation pit automatic soil-dredging construction device |
| CN201354460Y (en) * | 2008-11-27 | 2009-12-02 | 上海市第二市政工程有限公司 | Civil engineering foundation pit excavating device |
Non-Patent Citations (1)
| Title |
|---|
| JP昭56-60738A 1981.05.25 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101736763A (en) | 2010-06-16 |
| WO2010060255A1 (en) | 2010-06-03 |
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