CN108166553B - Rapid foundation pit excavation equipment and excavation method - Google Patents
Rapid foundation pit excavation equipment and excavation method Download PDFInfo
- Publication number
- CN108166553B CN108166553B CN201810058202.XA CN201810058202A CN108166553B CN 108166553 B CN108166553 B CN 108166553B CN 201810058202 A CN201810058202 A CN 201810058202A CN 108166553 B CN108166553 B CN 108166553B
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- fixedly connected
- rod
- excavation
- supporting plate
- sliding
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a foundation pit rapid excavation device and an excavation method, which comprise a first supporting plate, wherein anchor rods are fixedly connected to the periphery of the bottom of the first supporting plate, barbs are fixedly connected to the outer surface of each anchor rod, a first supporting rod is fixedly connected to the middle end of the top of the first supporting plate, and a motor support is fixedly connected to the lower end of the left side of the first supporting rod. According to the invention, the motor support is fixedly connected to the lower end of the left side of the first supporting rod, and the horizontal rotation requirement of people on the first sliding rod can be met through the action of the motor, the gearbox, the transmission rod, the driving gear disc, the bearing seat and the driven gear disc, so that the excavation range is effectively expanded, the vertical height adjustment requirement of people on the first sliding rod can be met through the first electric telescopic rod, the excavation requirement of people on foundation pits with different depths is met, and meanwhile, the flexible excavation requirement of people on the foundation pits can be met through the action of the first sliding groove, the first slider, the second sliding groove and the second slider.
Description
Technical Field
The invention relates to the technical field of foundation pit excavation, in particular to a quick foundation pit excavation device and an excavation method.
Background
The foundation pit is an earth pit excavated according to the base elevation and the base plane size at the base design position, an excavation scheme is determined according to geological and hydrological data and the conditions of buildings nearby on site before excavation, waterproof drainage work is performed, a slope can be placed for people who do not excavate deeply to stabilize the earth slope, the slope size is determined according to relevant construction regulations, people who excavate deeper buildings and nearby buildings can excavate deeply, the underground water level can be reduced by a well point method, a slope placing open excavation method is adopted, large foundation pits can be excavated in cold regions by a natural cold air freezing method and the like even by methods of interlocking underground continuous walls and column type bored piles, the soil layer outside the protection is collapsed, people who do not influence nearby buildings can excavate manually, however, the manual excavation efficiency is low, and the potential safety hazard is great, so that the benefits of enterprises are not benefited.
Disclosure of Invention
The invention aims to provide a foundation pit rapid excavation device and an excavation method, which aim to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a foundation pit rapid excavation device and an excavation method comprise a first supporting plate, wherein anchor rods are fixedly connected to the periphery of the bottom of the first supporting plate, barbs are fixedly connected to the outer surface of the anchor rods, a first supporting rod is fixedly connected to the middle end of the top of the first supporting plate, a motor support is fixedly connected to the lower end of the left side of the first supporting rod, a motor is fixedly mounted at the top end of the motor support, an output shaft of the motor is in transmission connection with a gearbox, the right side of the gearbox is fixedly connected with the upper end of the left side of the first supporting rod through a first connecting rod, a transmission rod is fixedly connected to the inner surface of the gearbox, a driving gear disc is fixedly connected to the top end of the transmission rod, a second supporting rod is movably connected to the top end of the first supporting rod through a bearing seat, a driven gear disc is sleeved to the lower end, the top end of the second supporting rod is fixedly connected with a second supporting plate, the periphery of the top of the second supporting plate is movably connected with a third supporting plate through a first electric telescopic rod, the middle end of the top of the third supporting plate is fixedly connected with a third supporting rod, the top end of the third supporting rod is fixedly connected with a first sliding rod, the front surface and the back surface of the outer surface of the first sliding rod are respectively provided with a first sliding groove, the outer surface of the first sliding groove is slidably connected with a first sliding device, the middle end of the bottom of the first sliding device is fixedly connected with a second sliding rod, the front surface and the back surface of the outer surface of the second sliding rod are respectively provided with a second sliding groove, the outer surface of the second sliding groove is slidably connected with a second sliding device, the middle end of the right side of the second sliding device is fixedly provided with a second connecting rod, the bottom of the second connecting rod is movably connected with, the top end of the third connecting rod is movably connected with the second electric telescopic rod through a second movable joint, and the second electric telescopic rod is fixedly installed at the lower end of the right side of the second connecting rod.
Preferably, the periphery of the bottom of the first supporting rod is fixedly connected with the first supporting plate through the first reinforcing ribs.
Preferably, the periphery of the top of the second supporting rod is fixedly connected with the second supporting plate through second reinforcing ribs.
Preferably, the periphery of the bottom of the third support rod is fixedly connected with the third support plate through a third reinforcing rib, and the lower end of the right side of the third support rod is fixedly connected with the first sliding rod through a fourth reinforcing rib.
Preferably, the left end and the right end of the top of the second sliding rod are fixedly connected with the first slider through a fifth reinforcing rib.
Preferably, the second connecting rod is of an L-shaped structure, and the upper end and the lower end of the left side of the second connecting rod are fixedly connected with the second slider through a sixth reinforcing rib.
Preferably, the excavation method comprises the following steps:
A. fixedly mounting a first supporting plate at the periphery or inside of a foundation pit to be excavated;
B. controlling a motor, and rotating the first slide bar to be right above a foundation pit to be excavated;
C. the sliding distance between the first slider and the second slider is adjusted, and the telescopic length of the second electric telescopic rod is controlled, so that the requirement on excavation of a foundation pit is met;
D. adjusting the telescopic length of the first electric telescopic rod according to the depth of the excavated foundation pit;
E. excavating the foundation pit within the range by taking the first supporting plate as the circle center and the first sliding rod as the radius;
F. and after the excavation of the foundation pit within the range is finished, the replacement position of the first supporting plate is fixed again, and the steps are repeated until the excavation of the foundation pit is finished.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the motor support is fixedly connected to the lower end of the left side of the first supporting rod, and the horizontal rotation requirement of people on the first sliding rod can be met through the action of the motor, the gearbox, the transmission rod, the driving gear disc, the bearing seat and the driven gear disc, so that the excavation range is effectively expanded, the vertical height adjustment requirement of people on the first sliding rod can be met through the first electric telescopic rod, the excavation requirement of people on foundation pits with different depths is met, meanwhile, the flexible excavation requirement of people on the foundation pits can be met through the action of the first sliding groove, the first slider, the second sliding groove and the second slider, the excavation efficiency of the foundation pits is effectively improved, and the benefit of enterprises is met.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A of the present invention.
In the figure: 1 first supporting plate, 2 barbs, 3 motor supports, 4 motors, 5 gearboxes, 6 transmission rods, 7 driving gear plates, 8 second supporting plates, 9 first electric telescopic rods, 10 third supporting plates, 11 third reinforcing ribs, 12 third supporting rods, 13 fourth reinforcing ribs, 14 first sliders, 15 fifth reinforcing ribs, 16 first sliding grooves, 17 first sliding rods, 18 second sliding rods, 19 second sliding grooves, 20 second connecting rods, 21 buckets, 22 sixth reinforcing ribs, 23 second sliders, 24 second reinforcing ribs, 25 second supporting rods, 26 driven gear plates, 27 bearing seats, 28 first connecting rods, 29 first supporting rods, 30 first reinforcing ribs, 31 anchor rods, 32 second electric telescopic rods, 33 second movable joints, 34 first movable joints and 35 third connecting rods.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a foundation pit rapid excavation device and excavation method includes a first support plate 1, anchors 31 are fixedly connected to the periphery of the bottom of the first support plate 1, barbs 2 are fixedly connected to the outer surface of the anchors 31, a first support rod 29 is fixedly connected to the middle end of the top of the first support plate 1, a motor support 3 is fixedly connected to the lower end of the left side of the first support rod 29, a motor 4 is fixedly mounted at the top end of the motor support 3, an output shaft of the motor 4 is in transmission connection with a transmission case 5, the right side of the transmission case 5 is fixedly connected to the upper end of the left side of the first support rod 29 through a first connecting rod 28, a transmission rod 6 is fixedly connected to the inner surface of the transmission case 5, a driving gear disc 7 is fixedly connected to the top end of the transmission rod 6, a second support rod 25 is movably connected to the top end of the first support rod 29 through a, the driven gear disc 26 is meshed with the driving gear disc 7, the horizontal rotation requirement of people on the first sliding rod 17 can be met, the excavation range is effectively expanded, the top end of the second supporting rod 25 is fixedly connected with the second supporting plate 8, the periphery of the top of the second supporting plate 8 is movably connected with the third supporting plate 10 through the first electric telescopic rod 9, the first electric telescopic rod 9 can meet the adjustment requirement of people on the vertical height of the first sliding rod 17, the excavation requirement of people on foundation pits with different depths is met, the middle end of the top of the third supporting plate 10 is fixedly connected with the third supporting rod 12, the top end of the third supporting rod 12 is fixedly connected with the first sliding rod 17, the front surface and the back surface of the outer surface of the first sliding rod 17 are respectively provided with the first sliding grooves 16, the outer surface of the first sliding groove 16 is slidably connected with the first slider 14, the middle end of the bottom of the first slider 14 is, and second spout 19 has all been seted up to the front and back two sides of second slide bar 18 surface, the surface sliding connection of second spout 19 has second slider 23, can satisfy the nimble excavation demand of people to the foundation ditch, the excavation efficiency of foundation ditch has effectively been improved, accord with enterprise's self benefit, and the middle-end fixed mounting on second slider 23 right side has second connecting rod 20, the bottom of second connecting rod 20 has scraper bowl 21 through first movable joint 34 swing joint, and the left end fixedly connected with third connecting rod 35 at scraper bowl 21 top, the top of third connecting rod 35 is through second movable joint 33 and second electric telescopic handle 32 swing joint, and second electric telescopic handle 32 fixed mounting is at the lower extreme on second connecting rod 20 right side.
The periphery of the bottom of the first supporting rod 29 is fixedly connected with the first supporting plate 1 through the first reinforcing ribs 30.
The periphery of the top of the second support rod 25 is fixedly connected with the second support plate 8 through the second reinforcing ribs 24.
The periphery of the bottom of the third support bar 12 is fixedly connected with the third support plate 10 through the third reinforcing rib 11, and the lower end of the right side of the third support bar 12 is fixedly connected with the first slide bar 17 through the fourth reinforcing rib 13.
The left and right ends of the top of the second sliding bar 18 are fixedly connected with the first slider 14 through fifth strengthening ribs 15.
The second connecting rod 20 is of an L-shaped structure, and the upper and lower ends of the left side of the second connecting rod 20 are fixedly connected with a second slider 23 through a sixth reinforcing rib 22.
The excavation method comprises the following steps:
A. fixedly mounting a first support plate 1 at the periphery or inside of a foundation pit to be excavated;
B. controlling the motor 4, and rotating the first slide bar 17 to be right above a foundation pit to be excavated;
C. the sliding distance between the first slider 14 and the second slider 23 is adjusted, and the telescopic length of the second electric telescopic rod 32 is controlled, so that the requirement on excavation of a foundation pit is met;
D. adjusting the telescopic length of the first electric telescopic rod 9 according to the depth of the excavated foundation pit;
E. excavating the foundation pit within the range by taking the first support plate 1 as the circle center and the first slide rod 17 as the radius;
F. and after the excavation of the foundation pit within the range is finished, the replacement position of the first supporting plate 1 is fixed again, and the steps are repeated until the excavation of the foundation pit is finished.
During the use, motor support 3 has been connected at the left lower extreme fixed connection of first bracing piece 29, and through motor 4, gearbox 5, transfer line 6, initiative toothed disc 7, the effect of bearing frame 27 and driven toothed disc 26, can satisfy people to the horizontal rotation demand of first slide bar 17, the excavation scope has effectively been enlarged, and people can be satisfied to the regulation demand of first slide bar 17 vertical height to first electric telescopic handle 9, people's excavation demand to the different degree of depth foundation ditch has been satisfied, simultaneously through the effect of first spout 16 and first slider 14 and second spout 19 and second slider 23, can satisfy people to the nimble excavation demand of foundation ditch, the excavation efficiency of foundation ditch has effectively been improved, accord with the interests of enterprise self.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a quick excavation equipment of foundation ditch, includes first backup pad (1), its characterized in that: the support structure comprises a first support plate (1), anchor rods (31) are fixedly connected to the periphery of the bottom of the first support plate (1), barbs (2) are fixedly connected to the outer surface of the anchor rods (31), first support rods (29) are fixedly connected to the middle end of the top of the first support plate (1), motor supports (3) are fixedly connected to the lower ends of the left sides of the first support rods (29), motors (4) are fixedly mounted at the top ends of the motor supports (3), output shafts of the motors (4) are in transmission connection with a transmission case (5), the right side of the transmission case (5) is fixedly connected with the upper ends of the left sides of the first support rods (29) through first connecting rods (28), transmission rods (6) are fixedly connected to the inner surface of the transmission case (5), driving gear discs (7) are fixedly connected to the top ends of the transmission rods (6), and second support rods (25) are movably connected to the, a driven gear disc (26) is sleeved at the lower end of the outer surface of the second supporting rod (25), the driven gear disc (26) is meshed with the driving gear disc (7), a second supporting plate (8) is fixedly connected to the top end of the second supporting rod (25), a third supporting plate (10) is movably connected to the periphery of the top of the second supporting plate (8) through a first electric telescopic rod (9), a third supporting rod (12) is fixedly connected to the middle end of the top of the third supporting plate (10), a first sliding rod (17) is fixedly connected to the top end of the third supporting rod (12), first sliding grooves (16) are formed in the front and rear surfaces of the outer surface of the first sliding rod (17), a first slider (14) is slidably connected to the outer surface of the first sliding groove (16), a second sliding rod (18) is fixedly connected to the middle end of the bottom of the first slider (14), and second sliding grooves (19) are formed in the front and rear surfaces of the outer surface of the second sliding rod (18, the surface sliding connection of second spout (19) has second slider (23), and the middle-end fixed mounting on second slider (23) right side has second connecting rod (20), the bottom of second connecting rod (20) has scraper bowl (21) through first movable joint (34) swing joint, and the left end fixedly connected with third connecting rod (35) at scraper bowl (21) top, the top of third connecting rod (35) is through second movable joint (33) and second electric telescopic handle (32) swing joint, and second electric telescopic handle (32) fixed mounting is in the lower extreme on second connecting rod (20) right side.
2. The rapid excavation equipment for foundation pits according to claim 1, wherein: the periphery of the bottom of the first supporting rod (29) is fixedly connected with the first supporting plate (1) through first reinforcing ribs (30).
3. The rapid excavation equipment for foundation pits according to claim 1, wherein: the periphery of the top of the second supporting rod (25) is fixedly connected with the second supporting plate (8) through a second reinforcing rib (24).
4. The rapid excavation equipment for foundation pits according to claim 1, wherein: the periphery of the bottom of the third supporting rod (12) is fixedly connected with the third supporting plate (10) through a third reinforcing rib (11), and the lower end of the right side of the third supporting rod (12) is fixedly connected with the first sliding rod (17) through a fourth reinforcing rib (13).
5. The rapid excavation equipment for foundation pits according to claim 1, wherein: the left end and the right end of the top of the second sliding rod (18) are fixedly connected with the first slider (14) through a fifth reinforcing rib (15).
6. The rapid excavation equipment for foundation pits according to claim 1, wherein: the second connecting rod (20) is of an L-shaped structure, and the upper end and the lower end of the left side of the second connecting rod (20) are fixedly connected with the second slider (23) through a sixth reinforcing rib (22).
7. An excavation method using the apparatus for rapid excavation of foundation pits of claim 1, wherein: the excavation method comprises the following steps:
A. fixedly mounting a first supporting plate (1) at the periphery or inside of a foundation pit to be excavated;
B. controlling a motor (4), and rotating a first sliding rod (17) to be right above a foundation pit to be excavated;
C. the sliding distance between the first slider (14) and the second slider (23) is adjusted, and the telescopic length of the second electric telescopic rod (32) is controlled, so that the requirement on excavation of a foundation pit is met;
D. adjusting the telescopic length of the first electric telescopic rod (9) according to the depth of the excavated foundation pit;
E. excavating the foundation pit in the range by taking the first supporting plate (1) as the circle center and the first sliding rod (17) as the radius;
F. and after the excavation of the foundation pit within the range is finished, the replacement position of the first supporting plate (1) is fixed again, and the steps are repeated until the excavation of the foundation pit is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810058202.XA CN108166553B (en) | 2018-01-22 | 2018-01-22 | Rapid foundation pit excavation equipment and excavation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810058202.XA CN108166553B (en) | 2018-01-22 | 2018-01-22 | Rapid foundation pit excavation equipment and excavation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108166553A CN108166553A (en) | 2018-06-15 |
| CN108166553B true CN108166553B (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810058202.XA Expired - Fee Related CN108166553B (en) | 2018-01-22 | 2018-01-22 | Rapid foundation pit excavation equipment and excavation method |
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| CN (1) | CN108166553B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109083153B (en) * | 2018-08-15 | 2021-02-12 | 广东博智林机器人有限公司 | Safety protection device for excavation of building deep foundation pit |
| CN113774977B (en) * | 2021-10-25 | 2022-11-08 | 国网冀北电力有限公司秦皇岛供电公司 | Vibrations formula foundation ditch deep-digging device for civil engineering with auxiliary stay function |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008014007A (en) * | 2006-07-05 | 2008-01-24 | System Keisoku Kk | Base-enlarging bucket |
| CN203878638U (en) * | 2014-06-12 | 2014-10-15 | 中国水利水电第五工程局有限公司 | Bucket for excavating and quickly forming drainage ditch |
| CN106381896A (en) * | 2016-08-27 | 2017-02-08 | 罗杰 | Stable building waste digging and transporting device |
| CN206538799U (en) * | 2017-03-09 | 2017-10-03 | 周航 | Shoveling handling device is used in a kind of engineering geology detection |
| CN107254867A (en) * | 2017-07-27 | 2017-10-17 | 安仁信和科技有限公司 | A kind of agriculture ditching device |
| CN107386351A (en) * | 2017-09-21 | 2017-11-24 | 李尚磊 | Automatic furrow making dveice |
| CN107476316A (en) * | 2017-09-20 | 2017-12-15 | 中恒建设集团有限公司 | External supporting structure and construction method in a kind of building foundation pit |
-
2018
- 2018-01-22 CN CN201810058202.XA patent/CN108166553B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008014007A (en) * | 2006-07-05 | 2008-01-24 | System Keisoku Kk | Base-enlarging bucket |
| CN203878638U (en) * | 2014-06-12 | 2014-10-15 | 中国水利水电第五工程局有限公司 | Bucket for excavating and quickly forming drainage ditch |
| CN106381896A (en) * | 2016-08-27 | 2017-02-08 | 罗杰 | Stable building waste digging and transporting device |
| CN206538799U (en) * | 2017-03-09 | 2017-10-03 | 周航 | Shoveling handling device is used in a kind of engineering geology detection |
| CN107254867A (en) * | 2017-07-27 | 2017-10-17 | 安仁信和科技有限公司 | A kind of agriculture ditching device |
| CN107476316A (en) * | 2017-09-20 | 2017-12-15 | 中恒建设集团有限公司 | External supporting structure and construction method in a kind of building foundation pit |
| CN107386351A (en) * | 2017-09-21 | 2017-11-24 | 李尚磊 | Automatic furrow making dveice |
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| CN108166553A (en) | 2018-06-15 |
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