34results about How to "Improve excavation efficiency" patented technology

The invention provides a tunnel hard rock non-blasting excavation method. The tunnel hard rock non-blasting excavation method can realize efficient excavation of complete or relatively complete hard rock without adopting large excavation equipment such as a heading machine and the like , and is characterized by comprising the following steps of 1, drilling contour holes along a tunnel face contour line so as to determine a tunnel excavation range, and determining each drilling and grooving position according to the excavation range, then, forming and drilling a plurality of cavity expanding holes in the position close to the positions; 2, drilling a plurality of rows of guide holes between the contour holes and the cavity expanding holes; 3, drilling groove forming holes which are meshed and overlapped with each other at the determined drilling and grooving positions, and finally forming a groove cavity; 4, enabling the cavity expanding holes near the groove cavity to be subjected to impact crushing, and therefore expanding excavation is conducted on the groove cavity; 5, according to a certain excavation sequence, starting from the guide holes close to the expanded and excavated groove cavity, adopting a hydraulic breaking hammer for conducting impact breaking on the guide holes, so that excavation of the rock mass of a main body part is completed; and 6, conducting impact crushing on the contour holes.

The invention belongs to the technical field of foundation pit supporting, and discloses a foundation pit supporting structure for foundation pit excavation, which comprises an excavator body, a movable soil collecting mechanism is arranged between an excavator bucket of the excavator body and a crawler belt, and the soil collecting mechanism comprises a soil collecting frame, a soil breaking roller and a driving motor. Through the synergistic effect of the soil collecting mechanism, the soil moving mechanism, the mixing mechanism and the supporting mechanism, synchronous excavation and supporting of the foundation pit are achieved, the side wall of the foundation pit is refilled with excavated soil to form a supporting wall, cement slurry is injected through the mixing mechanism to reinforce a soil body, and therefore the problems existing in a traditional method are solved; therefore, the method has the advantages of improving the engineering quality, reducing the risk, saving the cost and conforming to environment-friendly sustainable development.

The invention relates to a construction method of a multistage cutting high slope control excavation system close to a sensitive risk source, which adopts a broken rock mass permanent and temporary combined reinforcing mesh laying support technology, adopts permanent and temporary support structures for broken rock masses in different areas, is convenient to construct, and improves the support safety; spraying dust falling is conducted on an excavation area through the high-altitude spraying dust falling device, spraying full coverage of a slope excavation working face is achieved, the slope excavation construction environment is improved, and personnel health is guaranteed; according to the method, excavation construction is carried out by adopting a layered and segmented skip excavation technology, so that the influence and safety risk on the slope stability are reduced, the excavation construction efficiency is improved, the excavation cost is greatly saved, meanwhile, the disturbance on the original landform is also reduced, and the slope stability is enhanced.

The invention discloses a butt joint device for groove socket pipelines. The butt joint device comprises a movable base; the centering mechanism comprises a base arranged on the movable base in a lifting mode and a centering disc which can be driven to be arranged on the base in the axis direction of the socket pipe in a sliding mode. The two supporting assemblies are oppositely arranged on the movable base, each supporting assembly comprises a supporting seat which can be driven to move transversely and can be arranged on the movable base in a locked mode, and a supporting face which is obliquely arranged relative to the horizontal plane and used for supporting the socket pipe is arranged on each supporting seat; the movable base is provided with a notch part which enables the socket pipe to fall on the ground and enables the movable base to be moved away after the supporting base is moved away. A base locking device; a thrust mechanism; the invention further discloses a construction method of the groove socket pipeline, the butt joint device and the construction method of the groove socket pipeline can be beneficial to improving the construction efficiency of butt joint construction of the cement socket pipeline, and meanwhile, the construction quality of the pipeline is beneficial to improving.

The invention discloses a tunnel surrounding rock stability diagnosis method based on TBM multi-modal data fusion. The method comprises the steps of 1, dividing surrounding rock stability types; step 2, preparing TBM (Tunnel Boring Machine) multi-modal data; step 3, carrying out space-time alignment and fusion on the TBM multi-modal data; step 4, multi-modal data null value and duplicate value filling; 5, multi-modal data feature extraction based on the excavation and tunneling section; step 6, constructing a TBM multi-modal feature database based on the tunneling section; 7, constructing a tunnel surrounding rock stability prediction model; and step 8, tunnel surrounding rock stability field diagnosis application. According to the method, the alignment accuracy of different modal data is guaranteed based on time and space information, the modal data with low data null value degree and high data null value degree are repaired and complemented through the nearest neighbor null value filling and linear interpolation method, and the method can be suitable for fusion of different monitoring modals in the tunnel engineering construction process; rapid diagnosis of on-site surrounding rock stability can be realized, and construction environment safety is guaranteed.

The application discloses a vertical shaft rapid excavation equipment, which comprises a base body, a deep pit groove is formed in the top of the base body, a base and a second ring beam are arranged in the deep pit groove, a fixing assembly for positioning the second ring beam is arranged on the top of the base, a positioning frame is fixedly connected to the circumferential inner wall of the second ring beam, a moving groove is formed in one side of the positioning frame, a sliding column is fixedly connected to the bottom inner wall of the moving groove, and a moving block is sleeved with the circumferential outer wall of the sliding column. In the application, the drill bit can be driven to rotate together with the horizontal plate during the circumferential movement of the horizontal plate, the drilling depth and position of the drill bit can be adjusted by starting the hydraulic rod during the drilling of the drill bit, the drilling area of the drill bit is enlarged, the drilling demand of people on the vertical shaft is met, the whole drilling process does not need manual work to go deep into the bottom of the vertical shaft, the safety of the whole equipment is further improved, and the drilling efficiency on the vertical shaft is improved.

The invention belongs to the technical scheme of pipeline construction, and particularly relates to an integrated pipe laying method for a water network or a marshland zone based on pipe ditch excavation of a ditching chain. The method comprises the following steps that one end of a pipeline is fixed to the tail of the integrated sprocket type pipe ditch excavation equipment, a pipe body of the pipeline is loaded on a pipe pushing machine, and when the integrated sprocket type pipe ditch excavation equipment is used for ditching, the pipe pushing machine synchronously pushes a pipe forwards, and the pipeline is unloaded into a pipe ditch after a preset distance is reached. Through the cooperation of the integrated sprocket type pipe ditch excavation equipment and the pipe pushing machine, pipe ditch excavation and pipeline trenching can be synchronously carried out, and the integrated construction of pipeline trenching and trenching laying is completed.

The present invention relates to a winch suction system for excavation between dock piles and a sand suction method thereof, and belongs to the technical field of excavation construction. The winch suction system comprises two first rails, a mobile frame, a trolley, a guide pipe, a winch suction head and a lifting assembly; the two first rails are arranged in parallel with each other, and the first rails are erected on the top of a plurality of pile foundations arranged in the longitudinal direction; the mobile frame is erected between the two first rails in the transverse direction, the mobile frame is slidably connected to the first rail, and the mobile frame is provided with a second rail extending in the transverse direction; the trolley is slidably connected to the second rail of the mobile frame; the guide pipe is installed on the trolley through a constraint mechanism, the guide pipe is arranged in the vertical direction and is lifted and lowered relative to the constraint mechanism in the vertical direction, and during the lifting and lowering process of the guide pipe, the constraint mechanism limits the lifting and lowering direction of the guide pipe; the winch suction head is connected to the bottom end of the guide pipe; and the lifting and lowering assembly is used to drive the guide pipe to lift and lower. The winch suction system can be erected on the top of the dock pile foundation, and can be applicable to the excavation of backfill sand and dense original sand between dock piles.

The utility model relates to the technical field of tunnel construction, in particular to a slurry pipe structure based on synchronous construction of a contact channel and a shield, which comprises a shield tunnel, a support frame is fixedly connected onto the shield tunnel, and a slurry pipe body is supported on the surface of the support frame. The mud pipe joint is characterized in that the surface of the mud pipe body is in threaded connection with a first screw pipe, the surface of the first screw pipe is in threaded connection with an adapter pipe, the surface of the adapter pipe is in threaded connection with a second screw pipe, and the surface of the second screw pipe is in threaded connection with a mud pipe joint body. Butt joint between the mud pipe joint body and the two sets of mud pipe bodies is completed through the adapter pipe, the mud pipe joint body reserves enough space for an excavation area of a connection channel between the two sets of mud pipe bodies, the excavation difficulty of the connection channel is reduced, and the excavation efficiency of the connection channel is improved.

This utility model relates to the technical field of pile hole excavation equipment, and discloses a pile driving tool for geotechnical engineering, including a bucket body. A bottom plate is hinged to the bottom of the bucket body, and multiple rotary drilling teeth are fixedly connected to the bottom of the bottom plate. A buckle seat is fixedly connected to one side of the bottom plate, and a buckle seat cleaner is provided on the bottom plate near the buckle seat. The buckle seat cleaner also includes two mounting seats, and a base is fixedly connected between the two mounting seats. The base is fixedly installed on the bottom plate, and a pressure plate is movably connected inside the mounting seat. A push rod is also inserted and connected to one side of the mounting seat, and a push block is fixedly connected to one end of the push rod. The buckle seat cleaner is provided on the bottom plate, and the buckle seat cleaner is composed of mounting seats, pressure plates, push rods, push blocks, etc. With the help of a Y-shaped fixing rod set inside the bucket body, it can automatically flush out and disperse the soil blocking the buckle seat when the bottom plate is closed, so that the upper hook of the unlocking pressure rod mechanism can be properly engaged in the buckle seat, reducing the labor intensity of operation and improving the efficiency of pile hole excavation.

The invention relates to the technical field of pipeline emergency maintenance and repair, in particular to a pipeline leakage flexible plugging fixture system and a pipeline leakage plugging method. The pipeline leakage flexible plugging fixture system comprises a hydraulic excavating vehicle assembly, a mechanical arm assembly and a flexible fixture assembly; one end of the mechanical arm assembly is connected with the hydraulic excavating vehicle assembly, the other end of the mechanical arm assembly is connected with the flexible clamp assembly, and a leakage pipeline is blocked by clamping a flexible clamp. A swing arm frame is installed on the ratchet wheel locking assembly, and the swing arm frame swings in a reciprocating mode through an electric push rod, so that the flexible belt assembly is driven to be curled and tightened for fastening. The pressure adjusting assembly is provided with an air pump, the air pump is controlled to inflate and deflate an air bag on the inner side of the flexible clamp assembly, expansion and contraction of the air bag are achieved, and the tension of the flexible belt assembly is kept stable. Leakage points are detected through the positioning trolley, hydraulic excavation and pipe wall polishing are conducted through the hydraulic excavation vehicle, and dependence on manual operation is reduced. The plugging device has the characteristics of rapidness and convenience in installation and stable plugging performance.

The invention belongs to the technical field of excavation equipment, and particularly relates to integrated sprocket type pipe ditch excavation equipment and application thereof. The integrated sprocket-type pipe ditch excavation equipment comprises a working vehicle, the ditching chain is arranged at the tail part of the operation vehicle; the pipeline connecting mechanism is arranged on one side, far away from the operation vehicle, of the ditching chain; the first adjusting mechanism is used for adjusting the height of the bottom of the ditching chain by horizontally rotating the ditching chain; and the second adjusting mechanism is used for adjusting the height of the pipeline connecting mechanism. According to the invention, the spiral propulsion vehicle realizes the functions of driving heavy equipment and transporting materials in a soft stratum and provides power for the pipe ditch excavation device, the pipe ditch excavation device is located at the rear part of the spiral propulsion vehicle, and a sprocket type device is adopted to cut and convey muck to the ground, so that a pipe ditch with designed depth and width is achieved.

A kind of hydraulic lift of vertical shaft, belong to mine transport vehicle technical field, including flat car, fixed frame, tripod assembly and support frame are sequentially provided on flat car;Fixed frame is horizontally arranged at one end of flat car, support frame is vertically arranged at the other end of flat car, support frame and material contact point height is greater than fixed frame and material contact point height;Triangular frame component includes two triangular frame bodies, two triangular frame bodies are arranged in parallel, and are respectively arranged at the two sides of the length direction of flat car, two triangular frame bodies are provided with the lifting channel steel that can slide, lifting channel steel is connected between flat car with hydraulic cylinder.The height difference of fixed frame, support frame forms material inclination support, cooperate lifting channel steel driven by hydraulic cylinder and slide on triangular frame component, can flexibly adjust the inclination angle and space posture of super-long material, adjust the posture of super-long material to realize the adaptation to cage space, break through the limitation of fixed size of vertical shaft cage.

The utility model relates to the technical field of channel excavation equipment, in particular to a cutting machine tool for excavation based on a connection channel mining method, which comprises a tunnel I, a tunnel II and a rock needing to be excavated between the tunnel I and the tunnel II, a cutting device is arranged on the surface of the tunnel I, and the cutting device comprises a supporting frame. The supporting frame is fixedly installed on the surface of the first tunnel. The output shaft of the first motor drives the lead screw to rotate, the lead screw drives the moving plate to move on the surface of the supporting frame in the rotating process, the moving plate drives the drill rod and the drill bit to move towards the rock through the rotating disc, the output shaft of the second motor drives the drill rod and the drill bit to rotate, and the drill rod and the drill bit rotate to drill the rock. And after drilling is finished, the hydraulic cylinder drives the push plate through the piston rod to push the rock, so that the rock moves towards the second tunnel, the push plate pushes the whole rock to the second tunnel, and the excavation efficiency of the connection channel is improved.

The invention belongs to the technical field of excavation equipment, and particularly relates to integrated bucket-wheel pipe ditch excavation equipment and application thereof. The integrated bucket-wheel pipe ditch excavation equipment comprises a working vehicle; the bucket wheel is arranged at the tail part of the operation vehicle; the pipe clamping mechanism is arranged on one side, far away from the operation vehicle, of the bucket wheel; and the adjusting mechanism is used for synchronously adjusting the heights of the bucket wheel and the pipe clamping mechanism. According to the invention, the spiral propulsion vehicle realizes the functions of driving heavy equipment in a soft stratum and transporting materials, and provides power for the pipe ditch excavation device, the pipe ditch excavation device is located at the rear part of the spiral propulsion vehicle, and the bucket-wheel device is adopted to cut muck and convey the muck to the ground, so that a pipe ditch with designed depth and width is achieved.

The invention discloses a blasting excavation method for a short and shallow vertical shaft, which comprises the following construction steps: step 1, firstly performing drilling construction, then filling explosive in a hole, then performing networking blasting, and excavating a pilot shaft at the central position of the section of the vertical shaft to be excavated; 2, drilling construction is carried out firstly, then the hole is filled with explosive, networking blasting is carried out, and the pilot shaft is excavated into a temporary vertical shaft in an expanding mode with the pilot shaft as the center; and 3, the whole section of the vertical shaft is layered from top to bottom with the temporary vertical shaft as the center, drilling construction is conducted on each layer, then the holes are filled with explosives, networking blasting is conducted, and the vertical shaft is layered, expanded, excavated and formed. The excavation method for rapid blasting of the short and shallow vertical shaft is low in construction cost, easy to operate, high in efficiency and convenient to apply and popularize. The problems that according to an existing vertical shaft excavation method, for a short and shallow vertical shaft excavation project, the construction difficulty is large, the construction period is too long, or the construction cost is too high are solved, and a good effect is achieved.

The application discloses a tunnel slagging method and system, and relates to the technical field of tunnel construction, wherein the tunnel slagging method comprises the following steps: tunneling in the first direction of a subway preset line by a first shield machine from a first working well located in the middle of the subway preset line; tunneling in the second direction of the subway preset line by a second shield machine from a second working well located in the middle of the subway preset line; transporting the slag excavated by the first shield machine to a second vertical belt conveyor located in the second working well, and conveying the slag to the ground by the second vertical belt conveyor; and transporting the slag excavated by the second shield machine to a first vertical belt conveyor located in the first working well, and conveying the slag to the ground by the first vertical belt conveyor. The technical scheme of the application realizes bidirectional excavation and bidirectional slagging of the subway tunnel, greatly improves the efficiency of tunnel excavation, and shortens the construction period compared with the technical scheme of unidirectional excavation and unidirectional slagging.

The invention discloses a method for vertically and obliquely excavating an oversized section skewback foundation on a strong unloading zone stratum, which comprises the following steps of: simultaneously excavating the skewback foundation and a pier base foundation connected with the skewback foundation from top to bottom; firstly, a vertical pier base foundation is excavated, and an operation platform is provided for follow-up construction; part of skewback foundations in the same horizontal plane are synchronously excavated when the vertical pier base foundations are excavated; and then the rest of the skewback foundations are excavated. The vertical pier base foundation is excavated firstly, the problem that no construction road exists on site is solved, an operation platform is provided for follow-up construction, the construction difficulty is reduced, and the construction efficiency is improved; during vertical excavation, strong unloading zone stratum slope protection is synchronously enhanced, it is guaranteed that the excavation process is safe and reliable, and the excavation construction efficiency of the oversized section skewback and pier base foundations is greatly improved.

The invention relates to the field of tunnel construction, in particular to a hard rock tunnel chamber conversion non-explosive construction method based on automatic stress monitoring, which is characterized in that a small-section auxiliary channel is used for jacking into a large-section tunnel, a double-layer primary support arch structure and non-explosive mechanical excavation are adopted, and an automatic stress monitoring technology is combined, so that the tunnel chamber conversion non-explosive construction method is realized. And safe, efficient and environment-friendly tunnel chamber conversion construction is achieved. According to the method, vibration and shock waves caused by blasting construction are avoided, and damage to surrounding rock masses and structures is reduced; the non-explosive mechanical excavation adapts to the hard rock condition, the double-layer primary support structure reduces the arch replacement construction, and the overall efficiency is improved; dust and noise pollution is reduced, and the environment-friendly requirement is met; automatic stress monitoring ensures accurate control of the construction process, and the stability and durability of the tunnel are improved.

The invention belongs to the technical field of foundation pit engineering construction, and discloses a supporting formwork combination which comprises a temporary supporting system and an axial force servo system, the temporary supporting system is located in a foundation pit and perpendicularly connected with a latticed column in the foundation pit, and the temporary supporting system can provide concrete supporting or steel supporting for the foundation pit; the axial force servo systems are arranged at the two ends of the temporary supporting system and can abut against the side wall of the foundation pit, and when the temporary supporting system provides steel supporting, the axial force servo systems apply acting force to the side wall of the foundation pit. Concrete pouring is carried out through the temporary steel supports and the formworks so as to alternately apply the steel supports and the concrete supports, it is guaranteed that supporting can be rapidly formed after the foundation pit is excavated to the corresponding elevation, it is avoided that the foundation pit is exposed for a long time, large deformation is generated, the operation cost is effectively reduced, and the operation efficiency is improved.

The invention belongs to the technical scheme of pipeline construction, and particularly relates to an integrated pipe laying method for a water network or a marshland belt based on bucket-wheel excavation of a pipe ditch. The method comprises the following steps that one end of a pipeline is fixed to the tail of the integrated bucket-wheel pipe ditch excavation equipment, a pipe body of the pipeline is loaded on a pipe pushing machine, and when the integrated bucket-wheel pipe ditch excavation equipment is used for ditching, the pipe pushing machine synchronously pushes a pipe forwards, and the pipeline is unloaded into a pipe ditch after a preset distance is reached. Through the cooperation of the integrated bucket-wheel pipe ditch excavation equipment and the pipe pushing machine, pipe ditch excavation and pipeline trenching can be synchronously carried out, and the integrated construction of pipeline trenching and trenching laying is completed.

The invention discloses a TBM tunneling section feature extraction and cutterhead thrust prediction method based on kernel density estimation. The method comprises the following steps: step 1, classifying surrounding rocks; step 2, constructing a cutterhead thrust prediction model; step 3, constructing a model training sample library, which specifically comprises the steps of collecting effective tunneling section data, segmenting the internal stage of the tunneling section, extracting operation parameters of a loading section and calculating the average thrust of a cutterhead of a stable section; 4, training a cutterhead thrust prediction model; 5, selecting a cutterhead thrust prediction model; 6, tunneling is conducted; 7, extracting operation parameters of the first loading section; and 8, predicting the average thrust of the cutterhead in the stable section. According to the method, the rock mass quality index is extracted from the data of the loading section, the operation parameters of the stable excavation section are used for establishing the cutterhead thrust prediction model and engineering application, the cutterhead thrust in the TBM construction process is predicted in time, and the prediction result can provide guidance for setting the operation parameters of a field machine driver; and the excavation efficiency of the tunnel boring machine is further improved.

The present invention discloses an efficient, self-stabilizing foundation pit support structure and a construction method thereof. The support structure includes a foundation pit continuous wall and a support wall, wherein the foundation pit continuous wall is arranged around the foundation pit, and the foundation pit continuous wall is set as a polygonal structure according to the shape of the foundation pit, and a plurality of support walls are arranged around the outer periphery of the polygonal foundation pit continuous wall. The support frame in the support wall is connected to the steel cage in the foundation pit continuous wall. After the foundation pit continuous wall is poured with concrete, the support wall and the foundation pit continuous wall at the location are formed into an integrated structure, and the thickness of the support wall is the same as that of the foundation pit continuous wall. Beneficial effect: The back pressure effect of the deadweight of the soil above the inclined support wall on the support wall surface is utilized to limit the lifting of the inclined support wall and the deflection and deformation of the foundation pit continuous wall into the foundation pit, that is, the self-stabilizing effect. The conventional in-pit support system can be eliminated, and the efficiency of earth excavation in the foundation pit is greatly improved and the construction period can be significantly saved.

The utility model discloses a multifunctional grouting trolley for a segment tunnel. The multifunctional grouting trolley comprises a travelling crane platform, travelling crane wheel sets, an equipment platform and functional equipment. A driving track is laid at the tunnel bottom of the segment tunnel; a plurality of travelling crane wheel sets are arranged at the bottom of the travelling crane platform and move on travelling crane rails at the bottom of the tunnel; equipment platforms are arranged on the left side and the right side of the travelling crane platform; functional equipment is arranged on the equipment platforms; a traveling track for a tunnel construction material train to pass through is arranged in the central area of the upper surface of the traveling platform. According to the multifunctional grouting trolley for the duct piece tunnel, automatic and standardized control over tunnel duct piece wall back grouting can be achieved, so that the labor intensity of workers is greatly reduced, and meanwhile the duct piece wall back grouting quality is improved.

The invention relates to a cutter suction system for excavation between piles of a wharf and a sand suction method of the cutter suction system, and belongs to the technical field of excavation construction. The cutter suction system comprises two first rails, a movable frame, a trolley, a guide pipe, a cutter suction head and a lifting assembly. The two first rails are arranged in parallel, and the first rails are erected on the tops of a plurality of pile foundations arranged in the longitudinal direction; the moving frame is transversely erected between the two first rails, the moving frame is connected to the first rails in a sliding mode, and the moving frame is provided with a second rail extending in the transverse direction; the trolley is slidably connected to the second track of the moving frame; the guide pipe is installed on the trolley through the restraining mechanism, the guide pipe is arranged in the vertical direction and ascends and descends relative to the restraining mechanism in the vertical direction, and the restraining mechanism limits the ascending and descending direction of the guide pipe in the ascending and descending process of the guide pipe; the cutter suction head is connected to the bottom end of the guide pipe; the lifting assembly is used for driving the guide pipe to lift. The cutter suction system can be erected on the top of a wharf pile foundation and can be suitable for excavation of backfill sand between wharf piles and dense undisturbed sand.

The utility model relates to a cutter head structure optimizing device of a rock tube push bench. The cutter head structure optimizing device comprises a crushing cutter head and a secondary crushing device, the secondary crushing device comprises a crushing arm and a conical crushing bin, the crushing arm is fixed to the back face of the crushing cutter head, crushing strips are annularly arranged on the side, facing the crushing arm, of the conical crushing bin, a muddy water bin is arranged on the back face of the conical crushing bin, and screening holes are formed between the two crushing strips at the bottommost portion of the conical crushing bin and used for allowing gravel muck to enter the muddy water bin. The rock crushing device has the advantages that the crushing arms are arranged on the back face of the crushing cutterhead, the crushing strips are correspondingly arranged on the surface of the conical crushing bin, and when the crushing cutterhead rotates, the crushing arms and the crushing strips squeeze rock fragments to further crush the rock fragments, so that the rock crushing efficiency is improved, and follow-up discharging is facilitated.

The invention belongs to the technical field of ditch excavation for tea mountain planting, and particularly relates to a ditch excavation robot for tea mountain planting, which comprises a driving seat, a mounting hole is formed in the top of the driving seat, a storage barrel is mounted on the inner wall of the mounting hole, a crushing and cutting mechanism is arranged in the storage barrel, and a discharging mechanism is arranged at the bottom of the storage barrel. According to the ditch excavation robot for tea mountain planting, automatic adjustment is carried out according to the requirement for the excavation depth, the excavation efficiency is improved, soil excavated in the excavation process is lifted into the smashing and cutting mechanism through the lifting mechanism so that the soil can be opened and smashed into small blocks, and later discharging is facilitated; according to the ditch excavation device, the soil in excavation is prevented from entering the interior of the excavated ditch again, then the ditch excavation efficiency is improved, the ditch excavation effect is guaranteed, the cost of cleaning the soil falling into the interior of the ditch again in the later period is avoided, and the effect of excavation blockage caused by the soil falling into the excavated ditch again is prevented.

The utility model relates to a submarine cable trench excavation device and system. The submarine cable trench excavation device comprises a base unit, a cutting unit, a driving unit, a height adjusting unit, a high-pressure spraying unit and a submarine cable guiding unit. The device has the advantages that the height of the cutting unit is adjusted by the height adjusting unit, and the cutting unit is driven by the driving unit to excavate a submarine cable groove; the high-pressure spraying unit is used for spraying high-pressure water flow to excavate submarine cable grooves, and the guiding unit is used for smoothly guiding submarine cables into the grooves and then burying the submarine cables. The cutting unit and the high-pressure spraying unit are independent in function and can be used independently or cooperatively to adapt to excavation of hard, soft and complex terrains, and the trench excavation efficiency is greatly improved; the cutting unit and the high-pressure injection unit are arranged perpendicular to the base unit, impact force attenuation caused by vertical impact is small, the trench excavation efficiency is improved, the matching performance with small burying equipment is high, the device can be suitable for various burying equipment, and the application range is wide.

The invention is suitable for the technical field of deepwater bare rock excavation, and provides deepwater bare rock foundation non-blasting excavation equipment which comprises two shoreside fixing assemblies, a cross beam frame assembly is fixedly connected between the two shoreside fixing assemblies, an excavation assembly is arranged at the bottom of the cross beam frame assembly, and the shoreside fixing assemblies are fixedly connected with the shoreside fixing assemblies. The outer wall of the excavation assembly is fixedly connected with a collection net assembly; through the arrangement of the collecting net assembly, in the using process, the outer frame mechanism and the collecting net mechanism are used in cooperation, after the using position of the excavation assembly is adjusted, the position of the collecting net assembly is located on the periphery of an excavation point, and the outer frame mechanism and the collecting net mechanism which are symmetrically arranged surround the excavation point; under the driving of an excavation mechanism in the excavation assembly, broken stones tend to move towards outer frame mechanisms and collecting net mechanisms on the two sides, and first rotating motors in drainage mechanisms on the two sides are started and controlled to be close to an excavation point or started at the same time for use.

The present application relates to a kind of hard rock non-explosive excavation device and method, it includes drill bit, drill pipe and splitting mechanism.Splitting mechanism includes first drive assembly, second drive assembly and expansion assembly, first drive assembly, second drive assembly and expansion assembly are rotationally sleeved on drill pipe, first drive assembly and second drive assembly are connected with expansion assembly, first drive assembly can drive expansion assembly along the radial expansion or shrink of drill pipe, second drive assembly can drive expansion assembly axial movement.When expansion assembly is in expansion state, the maximum vertical distance of the central axis of drill pipe to the outer side of expansion assembly is greater than the diameter of drill bit;When expansion assembly is in shrinkage state, the maximum vertical distance of the central axis of drill pipe to the outer side of expansion assembly is less than or equal to the diameter of drill bit.The whole process will drill, rock breaking, rock falling action together, directly after drilling rock breaking, save equipment conversion time, improve excavation efficiency.