CN110541421A - earth excavation construction method - Google Patents

earth excavation construction method Download PDF

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Publication number
CN110541421A
CN110541421A CN201910851115.4A CN201910851115A CN110541421A CN 110541421 A CN110541421 A CN 110541421A CN 201910851115 A CN201910851115 A CN 201910851115A CN 110541421 A CN110541421 A CN 110541421A
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China
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excavation
adjusting
depth
pit
fixed
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CN110541421B (en
Inventor
卢荣智
张金龙
洪炳明
叶建飞
苏龙辉
蔡景润
蔡世达
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China Construction Association And Construction Co Ltd
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China Construction Association And Construction Co Ltd
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D17/00Excavations; Bordering of excavations; Making embankments

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  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

The invention discloses an earth excavation construction method, which comprises the following steps: s1, cleaning surface soil; s2, measuring and positioning; s3, primary excavation: excavating the ground by using an excavator, wherein the excavating depth is controlled to be 0.5 m less than the design depth, the residual depth is excavated by manual excavation, and the final depth is controlled to be 0.2 m less than the design depth to form a primary excavation pit, and the diameter of the primary excavation pit is controlled to be 2 m; s4, marking depth: introducing excavation auxiliary equipment, wherein the excavation auxiliary equipment emits light to mark the inner side wall of the initial excavation pit; s5, comprehensive excavation: excavating from the inner side wall of the initial excavation pit towards the periphery by using an excavator, wherein a remote monitoring module for helping an excavator operator to observe the inner side wall of the initial excavation pit is arranged on the excavation auxiliary equipment; s6, tail end excavation: manually digging the residual depth of 0.2 m at the bottom of the foundation trench; and S7, cleaning the base groove. The invention has the following advantages and effects: the construction method reduces the phenomenon of overexcavation of the excavator and is beneficial to smooth operation of hydraulic construction engineering.

Description

Earth excavation construction method
Technical Field
The invention relates to the field of water conservancy construction, in particular to an earth excavation construction method.
Background
In a hydraulic engineering project, earth excavation is an important step in the hydraulic engineering project, and the main purpose is to form a foundation trench and a channel in the hydraulic engineering project. In small-scale hydraulic engineering, the earthwork excavation is generally divided into manual and semi-mechanical excavation, and simple tools such as a spade pick, an air drill and the like are used to cooperate with lifting or simple small-scale transport tools for operation; and the earth and stone excavation of large and medium-sized hydraulic engineering, multi-purpose excavator and other mechanical construction.
the existing earthwork excavation construction method mainly comprises the steps that an excavator is used for excavating a foundation trench according to a construction drawing, the depth dimension of the foundation trench is controlled by an operator of the excavator, however, in many construction projects, the depth of the foundation trench is critical, if the size of the operator of the excavator is not accurately controlled, the condition of over-excavation of the foundation trench is easy to occur, the land structure at the bottom of the foundation trench can be damaged even in serious conditions, the conditions of ground water spewing and the like occur, extra time is needed for treatment, and the construction period of the whole hydraulic construction project is slowed down.
therefore, an earth excavation construction method is urgently needed, which can reduce the phenomenon of overexcavation of an excavator, prevent the soil structure at the bottom of a foundation trench from being damaged and facilitate the smooth progress of hydraulic construction engineering.
disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the earthwork excavation construction method, which reduces the over-excavation phenomenon of an excavator, prevents the land structure at the bottom of a foundation trench from being damaged and is beneficial to the smooth operation of hydraulic construction engineering.
The technical purpose of the invention is realized by the following technical scheme:
An earth excavation construction method comprises the following steps:
s1, surface soil cleaning: cleaning vegetation, garbage and barriers in an excavated area, keeping original mature trees as much as possible, and ensuring that the mature trees to be felled must have special instructions of supervision or an owner unit;
s2, measuring and positioning, and determining the excavation area and the excavation depth;
s3, primary excavation: excavating the ground by using an excavator, wherein the excavating depth is controlled to be 0.5 meter less than the design depth, the residual depth is excavated by manual excavation, and the final depth is controlled to be 0.2 meter less than the design depth, so that a primary excavation pit is formed, and the diameter of the primary excavation pit is controlled to be 2 meters;
s4, marking depth: introducing excavation auxiliary equipment, wherein the excavation auxiliary equipment is arranged in the initial excavation pit and emits lamplight to mark the inner side wall of the initial excavation pit;
s5, comprehensive excavation: excavating from the inner side wall of the initial excavation pit towards the periphery on the ground near the initial excavation pit by using an excavator, wherein a remote monitoring module for helping an excavator operator to observe the inner side wall of the initial excavation pit is arranged on the excavation auxiliary equipment;
s6, tail end excavation: manually excavating the residual depth of 0.2 m at the bottom of the foundation trench to enable the depth of the foundation trench to reach the designed depth;
and S7, cleaning the base groove.
Through adopting above-mentioned technical scheme, in step S3, through artifical preliminary excavation, make the just digging pit depth no longer than the excavation scope and keep at 0.2 meters with the design depth, then just digging pit depth through the mark of excavation auxiliary assembly mark, then operating personnel controls the excavator and begins to excavate comprehensively from the just digging pit inside wall, in-process at this, operating personnel observes the excavation condition of the just digging pit inside wall through remote monitoring module, and judge the excavation depth of excavator through the mark of the just digging pit inside wall, the excavation depth of excavator has effectively been controlled, and finally, adopt artifical mode of digging on the remaining 0.2 meters' S of foundation trench degree of depth, the phenomenon of overexcavation has effectively been reduced, prevent that the land structure of foundation trench bottom is destroyed, be favorable to going on smoothly of hydraulic construction engineering.
The invention further provides that the excavation auxiliary equipment comprises a base arranged in the initial excavation pit, a fixed frame fixed on the base, a mounting frame arranged on the fixed frame and a mark light emitting device arranged on the mounting frame; the mark light emitting device comprises a reflecting cover fixed on the mounting frame and an LED bulb fixed in the reflecting cover, the inner wall of the reflecting cover is a mirror surface, and the outlet of the reflecting cover is in a horizontal slit shape; and the fixing frame is provided with an adjusting device for adjusting the height of the mounting frame.
Through adopting above-mentioned technical scheme, when the LED bulb starts, the export that the light that sends on it sees through the bowl jets out, and the bowl export is horizontal seam form, make to jet out the bowl and throw the light to on the inside wall of digging pit just and be horizontal threadiness, and adjusting device can adjust the mounting bracket height, make the light of downside and dig pit just inside wall lowest sideline coincidence, thereby the lowest department of digging pit just has been marked, make operating personnel in the excavator can clearly confirm the degree of depth of digging pit just through the remote monitoring module, thereby prevent that the excavator from digging excessively.
the invention is further provided that the outlet of the reflecting cover is provided with a plurality of positions, and the outlets of the reflecting cover are vertically and uniformly arranged.
Through adopting above-mentioned technical scheme, the bowl export is equipped with many places and vertical range for throw the vertical range of light mark on the initial pit inside wall, make things convenient for operating personnel to calculate the proportion of excavating the initial pit inside wall.
the invention is further provided that the fixing frame comprises a fixing column fixed on the base and an adjusting platform sleeved on the fixing column and connected with the fixing column in a sliding manner; the adjusting device comprises an adjusting frame which is arranged on the upper side of the adjusting platform and fixed with the fixing column, an adjusting screw rod which vertically penetrates through the adjusting platform and is in threaded connection with the adjusting screw rod, a worm wheel which is sleeved on the upper end of the adjusting screw rod and is fixed with the adjusting screw rod, a worm which is horizontally arranged on the adjusting frame and is in rotary connection with the adjusting screw rod, and an adjusting motor which is fixed on the adjusting frame and is fixed with the end part of the worm; the upper end of the adjusting screw rod is rotationally connected with the adjusting frame, and the lower end of the adjusting screw rod is rotationally connected with the upper surface of the base; the worm is meshed with the worm wheel; the mounting bracket set up in on the regulation station.
Through adopting above-mentioned technical scheme, when the accommodate motor during operation, its output shaft rotates, drive the worm and rotate, make worm wheel and accommodate the lead screw rotate, thereby make the regulation platform vertical removal with accommodate the lead screw threaded connection, thereby adjusted the vertical removal of LED bulb on mounting bracket and the mounting bracket, the projection position of light has been adjusted, make the lamp light of downside and just dig the coincidence of the lowest department sideline of hole inside wall, and worm wheel and worm have auto-lock nature, prevent that the regulation platform from falling because of gravity.
the invention is further provided that the mounting rack is connected with the upper surface of the adjusting platform in a sliding manner, and the sliding direction of the mounting rack is circular and surrounds the fixing column; be equipped with the sticking department that is used for locking the mounting bracket on the mounting bracket, the sticking department is including seting up in the mounting bracket is close to the adjustment table upper surface locking groove on the surface, vertical pass the mounting bracket upper surface and with mounting bracket threaded connection's locking axle, be fixed in locking epaxial end locking hand wheel and vertical set up in locking inslot and with inside wall vertical sliding connection's butt piece, locking axle lower extreme penetrates locking inslot and with butt piece upper surface rotates to be connected, just butt piece bottom surface is fixed with the rubber pad.
Through adopting above-mentioned technical scheme, operating personnel removes the mounting bracket, can adjust the projection position of LED bulb on the mounting bracket, make the LED bulb can mark the position in each position of the inside wall of just digging a pit, and when the locking hand wheel rotated, it drove the locking axle and rotates, and locking axle lower extreme drove the butt joint piece and moves down along locking inslot wall, until butt joint piece and regulation platform upper surface support tightly, make mounting bracket and regulation platform fixed, and the setting of rubber pad makes butt joint piece and regulation platform upper surface flexible contact.
The invention is further provided that the remote monitoring module comprises a periscope fixed on the mounting rack, a camera fixed on the periscope and a display arranged in the cab of the excavator and wirelessly connected with the camera; the periscope is provided with a light inlet for light inlet and a light outlet for light outlet, the light outlet of the periscope is arranged on the upper side of the adjusting platform, and the light inlet of the periscope is arranged on the lower side of the adjusting platform and is consistent with the outlet of the reflector in direction; the camera is arranged at the light outlet of the periscope.
Through adopting above-mentioned technical scheme, the camera can observe the periscope through the periscope and go into the image of light mouth orientation position, and goes into the light mouth unanimously with the export orientation of reflector for the camera can observe the light mark of digging pit inside wall and above that just, thereby makes the operating personnel in the excavator can notice the excavation degree of depth of digging pit on digging pit inside wall just in the operation excavator.
the invention is further arranged that one end of the periscope, which is provided with the light inlet, is abutted against the inner bottom surface of the primary pit.
through adopting above-mentioned technical scheme, the periscope is equipped with the one end of going into the light mouth and offsets with the bottom surface in digging just for the image of digging just bottom of digging can get into the periscope and go into the light mouth, thereby makes things convenient for excavator operating personnel to observe the light mark of digging just the lowest of inside wall, prevents that the excavator from digging excessively.
The invention is further arranged that a first refractor is arranged in the light inlet, a second refractor is arranged in the light outlet, and a third refractor is arranged in the periscope.
Through adopting above-mentioned technical scheme, the image of the inside wall department of digging pit just is typeeed by the camera after the cubic refraction of periscope first refractor, second refractor and third refractor for about the image that excavator operating personnel observed position and excavator operating personnel's position about unanimous, make things convenient for operating personnel to judge the removal position of excavator scraper bowl, be convenient for its operation.
in conclusion, the beneficial technical effects of the invention are as follows:
1. In step S3, the initial excavation depth is not more than the excavation range and is maintained at 0.2 m from the design depth by manual initial excavation, then the initial excavation depth is marked by the excavation auxiliary equipment, then the excavator is operated by an operator to excavate the initial excavation from the inner side wall of the initial excavation, in the process, the operator observes the excavation condition of the inner side wall of the initial excavation through the remote monitoring module, and judges the excavation depth of the excavator through the marking of the inner side wall of the initial excavation, so as to effectively control the excavation depth of the excavator, and finally, the manual excavation mode is adopted on the residual 0.2 m depth of the foundation trench, so that the over-excavation phenomenon is effectively reduced, the soil structure at the bottom of the foundation trench is prevented from being damaged, and the smooth implementation of the hydraulic construction engineering is facilitated;
2. the camera can observe the image of the orientation position of the light inlet of the periscope through the periscope, and the orientation of the light inlet is consistent with that of the outlet of the reflector, so that the camera can observe the inner side wall of the initial pit and the light mark on the inner side wall, and operators in the excavator can pay attention to the excavation depth of the excavator on the inner side wall of the initial pit while operating the excavator;
3. the image of the inside wall department of digging pit just is typeeed by the camera after the cubic refraction of the first refractor of periscope, second refractor and third refractor for the position is unanimous with excavator operating personnel's the position of controlling about the image that excavator operating personnel observed, makes things convenient for operating personnel to judge the removal position of excavator scraper bowl, is convenient for its operation.
drawings
FIG. 1 is a schematic representation of the steps of an earth excavation construction method;
FIG. 2 is a schematic view of a placement position of the excavation assistance apparatus;
FIG. 3 is a schematic view of the construction of the excavation assistance apparatus;
FIG. 4 is a schematic view of the structure of the injection port on the closing plate;
Figure 5 is a schematic cross-sectional view of a periscope.
In the figure: 01. excavating auxiliary equipment; 1. a base; 2. a fixed mount; 21. fixing a column; 22. an adjusting table; 3. an adjustment device; 31. an adjusting bracket; 32. adjusting the screw rod; 33. a worm gear; 34. a worm; 35. adjusting the motor; 36. a start button; 4. a mounting frame; 41. a sliding plate; 42. an arc-shaped plate; 5. a mark light emitting device; 51. a reflector; 511. a flare tube; 512. sealing the cover plate; 513. a projection port; 52. an LED bulb; 6. a locking portion; 61. a locking groove; 62. a locking shaft; 63. locking a hand wheel; 64. a butting block; 71. a periscope; 711. a horizontal pipe body; 712. a vertical pipe body; 713. a light outlet; 714. a second refractor; 715. a third refractive mirror; 716. a light inlet; 716. a first refractive mirror; 72. a camera; 73. a display.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, an earth excavation construction method includes the steps of:
s1, surface soil cleaning: cleaning vegetation, garbage and barriers in an excavated area, keeping original mature trees as much as possible, and ensuring that the mature trees to be felled must have special instructions of supervision or an owner unit;
S2, measuring and positioning, and determining the excavation area and the excavation depth;
S3, primary excavation: excavating the ground by using an excavator, wherein the excavating depth is controlled to be 0.5 meter less than the design depth, the residual depth is excavated by manual excavation, and the final depth is controlled to be 0.2 meter less than the design depth, so that a primary excavation pit is formed, and the diameter of the primary excavation pit is controlled to be 2 meters;
s4, marking depth: as shown in fig. 2, introducing an excavation assisting device 01, wherein the excavation assisting device 01 is arranged in the initial excavation pit and emits light to mark the inner side wall of the initial excavation pit;
S5, comprehensive excavation: excavating from the inner side wall of the initial excavation pit towards the periphery on the ground near the initial excavation pit by using an excavator, wherein a remote monitoring module for helping an excavator operator to observe the inner side wall of the initial excavation pit is arranged on the excavation auxiliary equipment 01;
S6, tail end excavation: manually excavating the residual depth of 0.2 m at the bottom of the foundation trench to enable the depth of the foundation trench to reach the designed depth;
And S7, cleaning the base groove.
in the above steps, as shown in fig. 3, the excavation assisting apparatus 01 includes a base 1, a fixing frame 2, an adjusting device 3, a mounting frame 4, a locking portion 6, and a mark light emitting device 5. The base 1 is a circular platform-shaped structure, is arranged on the upper side of the inner bottom wall of the initial pit and is positioned at the center of the inner bottom surface of the initial pit, and the axis of the base 1 is vertical. The fixing frame 2 comprises a fixing column 21 and an adjusting platform 22, the fixing column 21 is of a cylindrical structure, the axis of the fixing column 21 coincides with the axis of the base 1, and the bottom surface of the lower end of the fixing column 21 is fixed to the upper surface of the base 1. The adjusting platform 22 is a platform-shaped structure with a circular horizontal cross section, and is sleeved on the fixing column 21 and slidably connected with the side wall thereof.
as shown in fig. 3, the adjusting device 3 includes an adjusting bracket 31, an adjusting screw 32, a worm wheel 33, a worm 34, an adjusting motor 35 and a start button 36, wherein the adjusting bracket 31 is L-shaped, one end of the adjusting bracket 31 is horizontal, the other end of the adjusting bracket is vertical and downward, and the horizontal end of the adjusting bracket is fixed with the upper end side wall of the fixed column 21. The adjusting screw rod 32 vertically penetrates through the upper surface and the bottom surface of the adjusting table 22 and is in threaded connection with the adjusting table 22, the upper end of the adjusting screw rod 32 is rotatably connected with the bottom surface of the horizontal end of the adjusting frame 31, and the lower end of the adjusting screw rod is rotatably connected with the upper surface of the adjusting table 22. The worm wheel 33 is sleeved on the upper end of the adjusting screw rod 32 and fixed with the adjusting screw rod 32, the axis of the worm 34 is horizontal and meshed with the worm wheel 33, one end of the worm is rotatably connected with the side wall of the fixed column 21, and the other end of the worm is rotatably connected with the side wall of the vertical end of the adjusting frame 31 close to the fixed column 21. The adjusting motor 35 is a servo motor, and is fixed on the side wall of the adjusting bracket 31 far away from the fixing column 21, and the output shaft of the adjusting motor 35 is fixed with one end of the worm 34 far away from the fixing column 21. The start button 36 is a common start switch, and is fixed on the upper surface of the adjusting bracket 31, and the start button 36 is electrically connected with the adjusting motor 35, when the operator presses the start button 36, the adjusting motor 35 is started to drive the worm 34 to rotate, so that the worm wheel and the adjusting screw rod 32 rotate, and the adjusting platform 22 is lifted and moved.
As shown in fig. 3, the mounting frame 4 includes a sliding plate 41 and an arc-shaped plate 42, the sliding plate 41 is in a rectangular plate shape, and is horizontally disposed on the upper side of the adjusting table 22, and one end of the sliding plate is disposed outside the adjusting table 22. The sliding block is fixed on the bottom surface of the sliding plate 41, the sliding block is of an isosceles trapezoid block structure, the sliding groove is formed in the upper surface of the adjusting platform 22, the cross section of the sliding groove is in a dovetail shape and is circular and surrounds the fixing column 21, and the sliding block is arranged in the sliding groove and is in sliding connection with the inner side wall of the sliding groove, so that the sliding plate 41 is in sliding connection with the adjusting platform 22 around the fixing column 21. The horizontal section of the arc-shaped plate 42 is arc-shaped, the upper end of the arc-shaped plate is fixed with the bottom surface of one end of the sliding plate 41 arranged outside the adjusting table 22, and the surrounding center of the arc-shaped plate 42 is superposed with the axis of the fixed column 21. The mark light emitting device 5 includes a reflection cover 51 and an LED bulb 52, and the reflection cover 51 includes a bell pipe 511 and a cover plate 512. The opening of the horn tube 511 is rectangular, the smaller end opening of the horn tube is fixed with the side wall of the arc plate 42 far away from the adjusting table 22, the larger end opening of the horn tube is downward the inner side wall of the initial pit, and the inner wall of the horn tube 511 is a mirror surface, so that the horn tube 511 has the effect of reflecting light. The cover plate 512 is a rectangular plate-shaped structure, has a vertical length direction, and is fixed at the larger opening of the bell pipe 511 to close the bell pipe 511. As shown in fig. 4, the surface of the cover plate 512 is provided with a plurality of projection ports 513, the projection ports 513 are horizontally slit-shaped, and the projection ports 513 are arranged at a plurality of positions and are uniformly arranged along the vertical direction. The LED bulb 52 is arranged in the flared tube 511 and fixed with the arc-shaped plate 42 close to the side wall of the flared tube 511, when the LED bulb 52 is powered on, light emitted by the LED bulb is horizontally projected onto the sealing cover plate 512 after being refracted by the inner wall of the flared tube 511, and part of the light is horizontally projected through the projection port 513 of the sealing cover plate 512, so that the light is projected onto the inner side wall of the initial pit. In addition, the light that throws port 513 of lowest department and closing plate 512 bottom surface intercommunication, and when using, operating personnel presses start button 36, has adjusted the height of adjusting station 22 for mounting bracket 4 and trumpet tube 511 move down, offsets until trumpet tube 511 and the interior diapire of digging pit just, thereby makes the light that throws out of port 513 of lowest position and digging pit just inside wall bottom sideline coincidence, has marked the lowest department of digging pit just.
As shown in fig. 3, the locking portion 6 includes a locking groove 61, a locking shaft 62, a locking hand wheel 63, and an abutment block 64. The locking groove 61 is opened on the bottom surface of the sliding plate 41, and its opening is square. The locking shaft 62 has a circular shaft shape, a lower end of which vertically extends through the upper surface of the sliding plate 41 into the locking groove 61, and the locking shaft 62 is screw-coupled with the sliding plate 41. Locking hand wheel 63 is fixed in locking axle 62 upper end, butt piece 64 is square block-shaped, it sets up in locking groove 61 and with the inside wall sliding connection of locking groove 61, and locking axle 62 lower extreme is connected with butt piece 64 upper surface rotation, in addition, butt piece 64 bottom surface is fixed with square rubber pad, when locking hand wheel 63 rotates, locking axle 62 rotates for locking axle 62 lower extreme drives butt piece 64 and moves down, the rubber pad and the adjusting station 22 upper surface of butt piece 64 bottom surface support tightly, thereby make mounting bracket 4 fixed.
As shown in fig. 2, the remote monitoring module includes a periscope 71, a camera 72, and a display 73. As shown in fig. 3 and 5, the periscope 71 is L-shaped, has a rectangular cross section, and is divided into a horizontal pipe 711 and a vertical pipe 712. The horizontal tube 711 is disposed on the sliding plate 41, and has a bottom surface fixed to the upper surface of the sliding plate 41, one end facing the outside of the sliding plate 41 and communicating with the upper end of the vertical tube 712, and the other end facing the axis of the fixing post 21. The upper surface of one end of the horizontal tube 711 close to the fixing post 21 is provided with a light outlet 713, and an opening of the light outlet 713 is rectangular. The horizontal tube 711 is further provided with a second refractor 714 and a third refractor 715, the second refractor 714 is a rectangular sheet, and is obliquely disposed in the horizontal tube 711 and located at one end of the horizontal tube 711 far from the vertical tube 712, and two side edges of the second refractor 714 are respectively fixed to an inner side wall of one end of the horizontal tube 711 near the light outlet 713 and an inner bottom surface of the horizontal tube 711. The third refractor 715 is a rectangular sheet, and is obliquely disposed in the horizontal tube 711 and located at one end of the horizontal tube 711 far from the fixing post 21, and edges of two ends of the third refractor 715 are respectively fixed to an inner top surface of the horizontal tube 711 and an inner side wall of the horizontal tube 711 far from the fixing post 21. The lower end of the vertical pipe 712 abuts against the bottom surface of the initial pit, the outer side wall of the vertical pipe, which is far away from the arc-shaped plate 42, is provided with a light inlet 716, the light inlet 716 is rectangular, and a first refractor 716 is further arranged in the vertical pipe 712. The first refractor 716 is a rectangular sheet, and is disposed obliquely, and two ends of the first refractor 716 are respectively fixed to the inner bottom surface of the vertical tube 712 and the inner sidewall of the vertical tube 712 far from the light inlet 716. The camera 72 is arranged on the horizontal pipe body 711 and located at the light outlet 713, the camera 72 shields the light outlet 713 and is fixed with the horizontal pipe body 711, the lens of the camera faces the light outlet 713, when light irradiating the projection port 513 is projected on the inner side wall of the primary pit, images on the inner side wall of the primary pit sequentially enter the camera 72 through the first refractor 716, the third refractor 715 and the second refractor 714, the display 73 is arranged in the cab of the excavator and is connected with the camera 72 through the existing wireless transmission technology, so that the images entered by the camera 72 are displayed through the display 73, operators in the excavator can observe the excavation depth condition of the primary pit conveniently, and the excavator is beneficial to preventing the excavator from being over-excavated. In addition, the image of the inside wall of digging pit just records camera 72 and presents in display 73 after refraction three times, the excavator is located just outside digging pit this moment, and operating personnel is towards just digging pit in, thereby make the orientation unanimous with operating personnel's the left and right sides orientation about the formation of image in the display 73, when operating personnel want to move the excavator scraper bowl in display 73 imaging picture left side, operating personnel only need directly to manipulate the scraper bowl and move left side, need not to judge the mirror image problem again, make things convenient for operating personnel's operation.
The operation principle of this embodiment is that, in step S3, the excavation auxiliary device 01 is lifted to the center of the initial excavation pit, the operator presses the start button 36 to move the console 22 downward until the bell pipe 511 abuts against the inner bottom wall of the initial excavation pit, the LED bulb 52 is lit, the light is projected onto the inner side wall of the initial excavation pit through the projection port 513, a plurality of vertically arranged bright seams are displayed on the inner side wall of the initial excavation pit, the lowest bright seam coincides with the inner bottom edge of the initial excavation pit, the operator operates the excavator to excavate from the inner side wall of the initial excavation pit, during this process, the operator observes the excavation condition of the inner side wall of the initial excavation pit through the display 73, and judges the excavation depth of the excavator through the bright seams of the inner side wall of the initial excavation pit, thereby effectively controlling the excavation depth of the excavator, and finally, a manual excavation mode is adopted on the residual depth of 0.2 m of the foundation trench, so that the over-excavation phenomenon is effectively reduced, the soil structure at the bottom of the foundation trench is prevented from being damaged, and the smooth operation of the hydraulic construction engineering is facilitated.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (8)

1. an earth excavation construction method is characterized in that: the method comprises the following steps:
S1, surface soil cleaning: cleaning vegetation, garbage and barriers in an excavated area, keeping original mature trees as much as possible, and ensuring that the mature trees to be felled must have special instructions of supervision or an owner unit;
S2, measuring and positioning, and determining the excavation area and the excavation depth;
S3, primary excavation: excavating the ground by using an excavator, wherein the excavating depth is controlled to be 0.5 meter less than the design depth, the residual depth is excavated by manual excavation, and the final depth is controlled to be 0.2 meter less than the design depth, so that a primary excavation pit is formed, and the diameter of the primary excavation pit is controlled to be 2 meters;
S4, marking depth: introducing excavation auxiliary equipment (01), wherein the excavation auxiliary equipment (01) is arranged in the initial excavation pit and emits lamplight to mark the inner side wall of the initial excavation pit;
S5, comprehensive excavation: excavating from the inner side wall of the initial pit towards the periphery on the ground near the initial pit by using an excavator, wherein a remote monitoring module for helping an excavator operator to observe the inner side wall of the initial pit is arranged on the excavation auxiliary equipment (01);
S6, tail end excavation: manually excavating the residual depth of 0.2 m at the bottom of the foundation trench to enable the depth of the foundation trench to reach the designed depth;
And S7, cleaning the base groove.
2. the earth excavation construction method according to claim 1, characterized in that: the excavation auxiliary equipment (01) comprises a base (1) arranged in the initial excavation pit, a fixed frame (2) fixed on the base (1), a mounting frame (4) arranged on the fixed frame (2) and a mark light emitting device (5) arranged on the mounting frame (4); the mark light emitting device (5) comprises a reflecting cover (51) fixed on the mounting frame (4) and an LED bulb (52) fixed in the reflecting cover (51), the inner wall of the reflecting cover (51) is a mirror surface, and the outlet of the reflecting cover (51) is in a horizontal slit shape; the fixing frame (2) is provided with an adjusting device (3) for adjusting the height of the mounting frame (4).
3. the earth excavation construction method according to claim 2, characterized in that: the outlet of the reflecting cover (51) is provided with a plurality of positions, and the outlets of the reflecting cover (51) are vertically and uniformly arranged.
4. The earth excavation construction method according to claim 2, characterized in that: the fixing frame (2) comprises a fixing column (21) fixed on the base (1) and an adjusting platform (22) sleeved on the fixing column (21) and connected with the fixing column in a sliding manner; the adjusting device (3) comprises an adjusting frame (31) which is arranged on the upper side of the adjusting table (22) and fixed with the fixing column (21), an adjusting screw rod (32) which vertically penetrates through the adjusting table (22) and is in threaded connection with the adjusting table, a worm wheel (33) which is sleeved on the upper end of the adjusting screw rod (32) and is fixed with the adjusting screw rod, a worm (34) which is horizontally arranged on the adjusting frame (31) and is in rotary connection with the adjusting screw rod, and an adjusting motor (35) which is fixed on the adjusting frame (31) and is fixed with the end part of the worm (34); the upper end of the adjusting screw rod (32) is rotatably connected with the adjusting frame (31), and the lower end of the adjusting screw rod is rotatably connected with the upper surface of the base (1); the worm (34) is meshed with the worm wheel (33); the mounting frame (4) is arranged on the adjusting platform (22).
5. The earth excavation construction method according to claim 4, characterized in that: the mounting rack (4) is connected with the upper surface of the adjusting table (22) in a sliding mode, and the sliding direction of the mounting rack (4) is circular and surrounds the fixing column (21); be equipped with on mounting bracket (4) and be used for locking sticking department (6) of mounting bracket (4), sticking department (6) are including seting up in mounting bracket (4) are close to locking groove (61), the vertical pass on the surface of regulation platform (22) upper surface mounting bracket (4) upper surface and with mounting bracket (4) threaded connection's locking axle (62), be fixed in locking hand wheel (63) and the vertical setting of locking axle (62) upper end in locking groove (61) and with inside lateral wall vertical sliding connection's butt piece (64), locking axle (62) lower extreme penetrates in locking groove (61) and with butt piece (64) upper surface rotates connects, just butt piece (64) bottom surface is fixed with the rubber pad.
6. The earth excavation construction method according to claim 4, characterized in that: the remote monitoring module comprises a periscope (71) fixed on the mounting rack (4), a camera (72) fixed on the periscope (71), and a display (73) which is arranged in the cab of the excavator and is in wireless connection with the camera (72); the periscope (71) is provided with a light inlet (716) for light inlet and a light outlet (713) for light outlet, the light outlet (713) of the periscope (71) is arranged on the upper side of the adjusting platform (22), and the light inlet (716) of the periscope (71) is arranged on the lower side of the adjusting platform (22) and is consistent with the outlet of the reflecting cover (51) in direction; the camera (72) is arranged at the light outlet (713) of the periscope (71).
7. The earth excavation construction method according to claim 6, characterized in that: one end of the periscope (71) provided with the light inlet (716) is abutted against the inner bottom surface of the initial pit.
8. The earth excavation construction method according to claim 7, characterized in that: a first refractor (716) is arranged in the light inlet (716), a second refractor (714) is arranged in the light outlet (713), and a third refractor (715) is further arranged in the periscope (71).
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111877351A (en) * 2020-05-26 2020-11-03 中建八局天津建设工程有限公司 Earth excavation construction method

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04319121A (en) * 1991-04-16 1992-11-10 Fujita Corp Construction of underground base of building
JPH08269970A (en) * 1995-03-29 1996-10-15 Teruo Koi Boring device for foundation ground and method for execution of works in foundation ground
CN101666095A (en) * 2009-09-11 2010-03-10 朱奎 Irregular foundation pit support and construction method
CN103981870A (en) * 2014-05-06 2014-08-13 国家电网公司 Pylons foundation pit digging method
CN105300365A (en) * 2015-11-24 2016-02-03 广州市盾建地下工程有限公司 Orienting device for excavating connected aisle and orienting method thereof
CN206311097U (en) * 2016-12-27 2017-07-07 中建筑港集团有限公司 A kind of earth excavation control device
CN107100171A (en) * 2017-05-19 2017-08-29 中国水利水电第四工程局有限公司 A kind of foundation ditch construction method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04319121A (en) * 1991-04-16 1992-11-10 Fujita Corp Construction of underground base of building
JPH08269970A (en) * 1995-03-29 1996-10-15 Teruo Koi Boring device for foundation ground and method for execution of works in foundation ground
CN101666095A (en) * 2009-09-11 2010-03-10 朱奎 Irregular foundation pit support and construction method
CN103981870A (en) * 2014-05-06 2014-08-13 国家电网公司 Pylons foundation pit digging method
CN105300365A (en) * 2015-11-24 2016-02-03 广州市盾建地下工程有限公司 Orienting device for excavating connected aisle and orienting method thereof
CN206311097U (en) * 2016-12-27 2017-07-07 中建筑港集团有限公司 A kind of earth excavation control device
CN107100171A (en) * 2017-05-19 2017-08-29 中国水利水电第四工程局有限公司 A kind of foundation ditch construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111877351A (en) * 2020-05-26 2020-11-03 中建八局天津建设工程有限公司 Earth excavation construction method

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