CN217760864U

CN217760864U - Portable hole digging pile soil digging device

Info

Publication number: CN217760864U
Application number: CN202221731140.2U
Authority: CN
Inventors: 叶坤; 刘军; 常永兴; 夏霜; 戴凡
Original assignee: Wuhan Surveying Geotechnical Research Institute Co Ltd of MCC
Current assignee: Wuhan Surveying Geotechnical Research Institute Co Ltd of MCC
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-11-08
Anticipated expiration: 2032-07-06

Abstract

The utility model provides a portable digging pile digging device. The digging device comprises a moving device, a supporting frame, a digging device and a lifting device, wherein the moving device comprises a vehicle frame and a travelling mechanism positioned at the bottom of the vehicle frame, the supporting frame is connected with the vehicle frame through a turnover mechanism, and is arranged on the vehicle frame in an upward rotating manner or vertically arranged at the tail part of the vehicle frame in a downward rotating manner under the action of the turnover mechanism; a residue soil recovery plate is arranged at the bottom of the supporting frame, and a soil digging port is formed in the residue soil recovery plate; the lifting device comprises a lifting screw rod, a lifting frame, a first driving motor and a transmission assembly, and the excavating device comprises a second driving motor arranged on the lifting frame, a screw rod arranged on an output shaft of the second driving motor and a spiral cutting knife arranged along the screw rod. The utility model discloses, with artifical excavation change into mechanical excavation, improved excavation efficiency, can realize the location and dig the hole.

Description

Portable hole digging pile soil digging device

Technical Field

The utility model relates to a geotechnical engineering field especially relates to a portable digging pile digging device.

Background

The hole digging pile is characterized in that firstly, manual soil digging is carried out to form a pile hole, the wall of the pile hole is lined to ensure construction safety while downward tunneling is carried out, and concrete is poured after the bottom of the pile hole is cleaned. The method can form large-size piles, meets the urgent requirements of high-rise buildings on large-diameter piles, is very suitable for the national situation of low labor cost in China, and has no influence on the surrounding environment. Therefore, the method is rapidly popularized nationwide and becomes a common pile type of the pile foundation of high-rise buildings in some regions; however, most of the existing hole digging piles are manually completed, time and labor are wasted, construction efficiency is low, digging needs to be carried out in a manhole entry hole in the construction process, and potential safety hazards can be brought to constructors if soil body collapse and other conditions are caused due to the influence of geological environment.

The invention with the publication number of CN107964995B discloses a pile foundation hole digging device, which comprises a digging mechanism suspended by a traction system, wherein the digging mechanism comprises a balancing weight and a group of sub-boards hinged at the lower end of the balancing weight and used for combining to form a pre-punched shape, a telescopic shaft penetrates through the middle part of the balancing weight, hinged rods are connected between the lower end of the telescopic shaft and all the sub-boards, a reset spring is arranged between the lower end of the telescopic shaft and the lower end of the balancing weight, the reset spring is sleeved on the outer circumference of the telescopic shaft, all the sub-boards form an open-close type soil digging cylinder by virtue of the vertical reciprocating movement of the telescopic shaft, expanding mechanisms are further symmetrically arranged on the outer circumference of the balancing weight, each expanding mechanism comprises a mounting frame and an expanding plate fixed at the outer end of the mounting frame, and the mounting frame is of a triangular structure formed by connecting a cross rod and an inclined rod.

Disclosure of Invention

To the technical problem the utility model provides a portable digging pile digging device, the device both can solve current manual work and dig the hole and have inefficiency, with high costs, and current machinery digs the pile and has the problem of pore wall unevenness, can solve again and dig the transportation of the in-process soil body of stake and deposit the problem, avoids the soil body to pile up and influences the construction.

In order to solve the technical problem, the utility model provides a portable digging pile digging device, which comprises a moving device, a supporting frame, a digging device and a lifting device, wherein the moving device comprises a frame and a walking mechanism positioned at the bottom of the frame; a residue soil recovery plate is arranged at the bottom of the supporting frame, and an earth digging opening is formed in the residue soil recovery plate; the lifting device comprises a lifting screw rod, a lifting frame, a first driving motor and a transmission assembly, the lifting screw rod is vertically arranged in the supporting frame and is rotationally connected with the supporting frame, the lifting frame is positioned in the supporting frame and is in threaded connection with the lifting screw rod, and the first driving motor is arranged at the top of the supporting frame, is connected with the lifting screw rod through the transmission assembly and drives the lifting screw rod to rotate; the digging device comprises a second driving motor arranged on the lifting frame, a screw rod arranged on an output shaft of the second driving motor and a spiral cutting knife arranged along the screw rod, wherein the screw rod is right opposite to the soil digging opening, and is driven to rotate by the second driving motor and move up and down along the supporting frame under the action of the lifting device.

The utility model discloses further technical scheme: the soil digging device further comprises a conveying device, a soil storage box is fixedly arranged below one side of the frame close to the supporting frame, the conveying device comprises a third driving motor, a belt conveying assembly and a muck conveying belt connected with the muck recovery plate and the soil storage box, and the third driving motor drives the muck conveying belt to convey muck on the muck recovery plate to the soil storage box through the belt conveying assembly.

The utility model discloses further technical scheme: the excavating device further comprises a secondary fine excavating mechanism, a spiral groove is formed in the spiral rod, the secondary fine excavating mechanism comprises an arc cleaning plate and a sliding rod, the arc cleaning plate is vertically arranged at the edge of the spiral cutting knife, one end of the sliding rod is connected with the arc cleaning plate, and the other end of the sliding rod is embedded into the spiral groove; two grades of smart locking mechanical system that digs is located the hob top, including electric putter and spacing bayonet lock, correspond on arc clearance board and be equipped with spacing draw-in groove to when arc clearance board is located spiral cutting knife top, lock it through the spacing draw-in groove of electric putter control spacing bayonet lock embedding.

The utility model discloses better technical scheme: the frame is of a plate structure, the turnover mechanism comprises a rotating frame and a hydraulic cylinder, the supporting frame is rotatably connected with the tail part of the frame through the rotating frame, the hydraulic cylinder is arranged in the middle of the frame, and the piston end of the hydraulic cylinder is connected with the frame; the support frame is driven to rotate along the rotating frame under the telescopic state of the hydraulic cylinder; and a trailer connecting piece is arranged on one side of the frame, which is far away from the supporting frame.

The utility model discloses better technical scheme: the two lifting screws are arranged on one side of the excavating device in parallel, the two lifting screws are positioned between the top frame and the bottom frame of the supporting frame, and the lower ends of the two lifting screws are rotatably connected with the bottom frame; the transmission assembly comprises a first belt pulley and a second belt pulley which are coaxially arranged at the extending end of the first driving motor, a third belt pulley and a fourth belt pulley are respectively arranged on the two lifting screw rods, the first belt pulley is in transmission connection with the first belt pulley through the first belt, and the second belt pulley is in transmission connection with the fourth belt pulley through the second belt.

The utility model discloses better technical scheme: the lifting screw rod is arranged on one side of the lifting frame, and the lifting screw rod is not arranged on the same side or the opposite side of the turnover mechanism; 1-3 limiting slide bars are arranged on one side of the lifting frame opposite to the lifting screw rods, the length of each limiting slide bar is matched with that of each lifting screw rod and is fixed on the supporting frame, and the lifting frame is correspondingly provided with slide holes and is in sliding connection with the slide bars through the slide holes.

The utility model discloses better technical scheme: the muck recycling plate is an inclined plate with a lower side connected with the muck conveyor belt, a retaining plate is arranged on the edge of the lower side of the muck recycling plate, a muck outlet is formed in the position, corresponding to the muck conveyor belt, of the retaining plate, a muck inlet is formed in the position, connected with the muck conveyor belt, of the muck storage box, one end of the muck conveyor belt is connected with the muck outlet, and the other end of the muck conveyor belt extends into the muck storage box through the muck inlet; the inner diameter of the soil digging opening is larger than the diameter of the spiral cutting knife or is matched with the spiral cutting knife, and the spiral soil digging mechanism moves up and down along the soil digging opening under the action of the lifting device to realize the construction of the pile hole.

The utility model discloses better technical scheme: the belt conveying assembly comprises a first rotating shaft and a second rotating shaft which are arranged on the muck conveying belt and are in transmission connection with the muck conveying belt, the first rotating shaft is connected with the output end of a third driving motor, and the muck conveying belt is driven to work by the third driving motor; the third driving motor is installed at the soil storage box, supporting plates are symmetrically distributed on two sides of the muck conveying belt, two ends of each supporting plate are connected with the first rotating shaft and the second rotating shaft respectively, a fixing plate is installed on each supporting plate in a rotating mode, and the fixing plates are connected with the frame.

The utility model discloses better technical scheme: the excavating device also comprises a regulating and controlling component arranged on the lifting frame; the regulating and controlling assembly comprises a regulating and controlling box, a sliding block and a wedge-shaped push block, the sliding block and the wedge-shaped push block are positioned in the regulating and controlling box, the electric push rod is positioned outside the regulating and controlling box, the end part of the push rod extends into the regulating and controlling box and is connected with the sliding block, the wedge-shaped surface of the wedge-shaped push block faces the sliding block, and the sliding block is provided with an inclined surface matched with the wedge-shaped push block; the wedge-shaped push block is connected with the limiting bayonet lock through an elastic connecting rod, and the sliding block moves along the regulating and controlling box under the action of the electric push rod to extrude the wedge-shaped push block so that the limiting bayonet lock is correspondingly embedded into the limiting bayonet lock on the cleaning plate; the elastic connecting rod is a spring sleeved outside the connecting rod, one end of the spring is connected with the corresponding wedge-shaped pushing block, and the other end of the spring is fixed on the inner wall of the regulating and controlling box; and a stable frame is arranged at the connecting part of the screw rod and the second driving motor, the stable frame is connected with the lifting frame, and the screw rod is rotationally connected with the stable frame.

The utility model discloses better technical scheme: the spiral cutting machine is characterized in that cleaning sheets are arranged on the cleaning plate, the cleaning sheets are provided with two sheets, the cleaning sheets are symmetrically arranged on one side, close to the spiral rod, of the cleaning plate and are perpendicular to the cleaning plate, and the two cleaning sheets are attached to or perpendicular to the upper surface of the spiral cutting knife.

The utility model has the advantages that:

(1) The utility model discloses only need a workman to supervise and control it in carrying out the work progress, at whole excavation in-process, do not need artifical the participation, realized the pile foundation and dug the mechanical automation in hole, improved and dug hole efficiency, reduced the cost of labor, guaranteed artificial safety.

(2) The utility model discloses still be equipped with the secondary and dig the unit accurately, after stake hole shaping, can realize polishing to the hole stake wall through the secondary unit of digging accurately to consolidate to the hole stake wall, both solved the manual work and dug the problem with high costs, inefficiency, solved the stake hole pore wall unevenness's of current excavation mechanism construction problem again.

(3) The utility model discloses be equipped with soil body transportation and store the mechanism, on the soil body that will dig through spiral cutting knife at the excavation in-process takes the soil body to retrieve the board, then carry the storage box with the soil body through the transportation area in to after excavating the completion, transport it to the dregs and stack the district, solved the problem that the pile hole excavated in-process soil body was stacked, avoided because the soil body piles up influences the construction around the hole stake.

(4) The utility model discloses a lift of elevating gear control spiral drilling rod to control spiral drilling rod's the excavation degree of depth, can realize digging to the depthkeeping of stake hole, guarantee that every stake hole excavation degree of depth keeps unanimous.

(5) The utility model provides an excavating gear is equipped with moving mechanism, can receive and release whole device to moving mechanism after the excavation is accomplished to realize shifting and carrying excavating gear through the trailer, realized the portability to excavating gear.

Drawings

Fig. 1 and 2 are perspective views of the present invention from different angles;

fig. 3 is a schematic front view of the present invention;

FIGS. 4 and 5 are schematic views illustrating the connection between the moving means and the supporting frame at different angles;

FIG. 6 is an enlarged view of the portion A of FIG. 4;

FIG. 7 is a schematic view of the structure of the transportation device;

fig. 8 and 9 are schematic structural views of the lifting device with different angles;

FIG. 10 is an enlarged view of the portion B of FIG. 8;

fig. 11 is a first schematic view of the excavating device of the present invention;

FIG. 12 is an enlarged view of the portion C of FIG. 11;

fig. 13 is a second schematic view of the digging device of the present invention;

FIG. 14 is an enlarged view of the portion D of FIG. 13;

fig. 15 is a third schematic view of the excavating device of the present invention;

FIG. 16 is an enlarged view of the portion E in FIG. 15;

FIG. 17 is a schematic view of a two-stage fine excavation cleaning plate in a locked state;

FIG. 18 is an enlarged view of portion F of FIG. 17;

figure 19 is a schematic view of the excavating device of the present invention mounted to a support frame;

FIG. 20 is an enlarged view of the portion G of FIG. 19;

fig. 21 is a reference diagram of the usage state of the present invention.

Reference numerals: 1-a mobile device; 101-a frame; 102-a hydraulic cylinder; 103-a soil storage box; 104-a running gear; 105-turret, 106-trailer connection; 2-a support frame; 201-a residue soil recovery plate; 202-digging a soil opening; 203-a soil guard plate; 204-a muck outlet; 3-a transportation device; 301-a third drive motor; 302-a first rotating shaft; 303-a support plate; 304-a muck conveyor; 305-a fixed plate; 306-a second rotational axis; 4-a digging device; 401-a helical cutting blade; 402-a screw rod; 403-a stabilizer frame; 404-a second drive motor; 405-a regulatory cassette; 406-a slider; 407-elastic connecting rod; 408-a limit bayonet lock; 409-a wedge-shaped push block; 410-a limit clamping groove, 411-an electric push rod; 412-cleaning plate; 413-cleaning tablet; 414-a slide bar; 5-a lifting device; 501-lifting screw rods; 502-a crane; 503-a first drive motor; 504-pulley one; 505-pulley two; 506-pulley III; 507-belt one; 508-pulley four; 509-belt two; 510-limit slide bar.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better explanation of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

An embodiment provides a bored pile construction device, as shown in fig. 1 to 3, including a moving device 1, a supporting frame 2, a transporting device 3, an excavating device 4, and an elevating device 5, where the elevating device 5 is installed on the supporting frame 2, a soil reclamation plate 201 is installed at the bottom of the supporting frame 2, an excavating hole 202 is formed in the soil reclamation plate 201, the excavating device 4 is installed on the elevating device 5, and faces the excavating hole 202, and moves up and down along the supporting frame 2 under the action of the elevating device 5, an inner diameter of the excavating hole 202 is larger than a diameter of a spiral cutting knife 401 or matches with the spiral cutting knife 401, and under the action of the elevating device 5, the spiral excavating mechanism moves up and down along the excavating hole 202 to implement pile hole construction. As shown in fig. 4 and 5, the moving device 1 includes a vehicle frame 101 and a traveling mechanism 104 located at the bottom of the vehicle frame 101, the vehicle frame 101 is a plate structure, the supporting frame 2 is located at the tail of the vehicle frame 101, is connected to the vehicle frame 101 through a turnover mechanism, and is placed on the vehicle frame 101 in an upward rotating manner or vertically placed at the tail of the vehicle frame 101 in a downward rotating manner under the action of the turnover mechanism; the turnover mechanism comprises a rotating frame 105 and a hydraulic cylinder 102, the supporting frame 2 is rotatably connected with the tail part of the frame 101 through the rotating frame 105, the hydraulic cylinder 102 is arranged at the middle part of the frame 101, and the piston end of the hydraulic cylinder is connected with the frame 101; and drives the supporting frame 2 to rotate along the rotating frame 105 under the telescopic state of the hydraulic cylinder 102; a soil storage box 103 is fixedly arranged below one side of the frame 101 close to the support frame 2; on the side of the carriage 101 remote from the support frame 2, a trailer connection 106 is provided.

According to the construction device for the dug pile, as shown in fig. 8 and 9, the lifting device 5 comprises a lifting screw 501, a lifting frame 502, a first driving motor 503 and a transmission assembly; the supporting frame 2 is a square frame, the lifting frame 502 is a square structure with the size smaller than or matched with the cross section of the inner frame of the supporting frame 2, the two lifting screws 501 are vertically arranged in the supporting frame 2 and are rotatably connected with the supporting frame 2, the lifting frame 502 is positioned in the supporting frame 2 and is in threaded connection with the lifting screws 501, the lifting screws 501 are arranged on one side of the lifting frame 502, the lifting screws 501 are not arranged on the same side or the opposite side of the turnover mechanism, the two lifting screws 501 are positioned between the top frame and the bottom frame of the supporting frame 2, and the lower ends of the two lifting screws 501 are rotatably connected with the bottom frame; 1-3 limiting slide bars 510 are arranged on one side of the lifting frame 502 opposite to the lifting screw 501, the length of each limiting slide bar 510 is matched with that of the lifting screw 501 and is fixed on the supporting frame 2, and the lifting frame 502 is correspondingly provided with slide holes and is in sliding connection with the slide bars 510 through the slide holes. The first driving motor 503 is installed at the top of the supporting frame 2, is connected with the lifting screw 501 through a transmission assembly, and drives the lifting screw 501 to rotate; the transmission component comprises a first belt pulley 504 and a second belt pulley 505 which are coaxially arranged at the extending end of the first driving motor 503, a third belt pulley 506 and a fourth belt pulley 508 are respectively arranged on the two lifting screws 501, the first belt pulley 504 is in transmission connection with the third belt pulley 506 through a first belt 507, and the second belt pulley 505 is in transmission connection with the fourth belt pulley 508 through a second belt 509. The first driving motor 503 is started, the output end of the first driving motor 503 drives the first belt pulley 504 and the second belt pulley 505 to move, the first belt pulley 504 drives the third belt pulley 506 to move through the first belt 507, the third belt pulley 506 drives the lifting screw 501 to move, the second belt pulley 505 drives the fourth belt pulley 508 to move through the second belt 509, the fourth belt pulley 508 drives the second screw 512 to move, and the lifting screw 501 and the second screw 512 drive the lifting frame 502 to move.

According to the hole digging pile construction device provided by the embodiment, as shown in fig. 11 to 18, the digging device 4 comprises a second driving motor 404, a primary rough digging mechanism, a secondary fine digging mechanism and a secondary fine digging mechanism locking mechanism, the primary rough digging mechanism comprises a spiral rod 402 in transmission connection with the second driving motor 404 and spiral cutting knives 401 arranged along the spiral rod 402, the spiral rod 402 is in rotational connection with a lifting frame 502, and the second driving motor 404 drives the spiral rod 402 to rotate; a spiral groove is formed in the spiral rod 402, the secondary fine digging mechanism comprises an arc-shaped cleaning plate 412 and a sliding rod 414, the arc-shaped cleaning plate 412 is vertically arranged at the edge of the spiral cutting knife 401, one end of the sliding rod 414 is connected with the arc-shaped cleaning plate 412, and the other end of the sliding rod 414 is embedded in the spiral groove; the secondary fine digging locking mechanism is positioned at the top end of the spiral rod 402 and comprises an electric push rod 411 and a limiting bayonet 408, a limiting bayonet slot 410 is correspondingly arranged on the arc cleaning plate 412, and when the arc cleaning plate 412 is positioned at the uppermost end of the spiral cutting knife 401, the limiting bayonet 408 is controlled to be embedded into the limiting bayonet slot 410 through the electric push rod 411 to lock the arc cleaning plate 412; the excavating device 4 further comprises a regulating and controlling component arranged on the lifting frame 502; the adjusting and controlling component comprises an adjusting and controlling box 405, a sliding block 406 and a wedge-shaped pushing block 409, the sliding block 406 is positioned in the adjusting and controlling box 405, the electric pushing rod 411 is positioned outside the adjusting and controlling box 405, the end part of the pushing rod extends into the adjusting and controlling box 405 to be connected with the sliding block 406, the wedge-shaped surface of the wedge-shaped pushing block 409 faces the sliding block 406, and the sliding block 406 is provided with an inclined surface matched with the wedge-shaped pushing block 409; the wedge-shaped push block 409 is connected with a limiting bayonet 408 through an elastic connecting rod 407, and the sliding block 406 moves along the regulating box 405 under the action of the electric push rod 411 to extrude the wedge-shaped push block 409 so that the limiting bayonet 408 is correspondingly embedded into a limiting bayonet slot 410 on the cleaning plate 412; the elastic connecting rod is a spring sleeved outside the connecting rod, one end of the spring is connected with the corresponding wedge-shaped pushing block, and the other end of the spring is fixed on the inner wall of the regulating and controlling box 405; a stable frame 403 is arranged at the connection part of the screw rod 402 and the second driving motor 404, the stable frame 403 is connected with the lifting frame 502, and the screw rod 402 is rotatably connected with the stable frame 403. The cleaning plate 412 is provided with two cleaning sheets 413, the two cleaning sheets 413 are symmetrically arranged on one side, close to the spiral rod 402, of the cleaning plate 412 and are perpendicular to the cleaning plate 412, and the two cleaning sheets 413 are attached to or perpendicular to the upper surface of the spiral cutting knife 401.

According to the construction device for the dug pile provided by the embodiment, as shown in fig. 6 and 7, the transportation device comprises a third driving motor 301, a belt conveying assembly and a residue soil conveying belt 304 for connecting the residue soil recovery plate 201 with the soil storage box 103, and the third driving motor 301 drives the residue soil conveying belt 304 to convey residue soil on the residue soil recovery plate 201 into the soil storage box 103 through the belt conveying assembly. As shown in fig. 9, the waste soil recovery plate 201 is an inclined plate with a lower side connected to the waste soil conveyor belt 304, a retaining plate 203 is disposed on the lower side edge of the waste soil recovery plate 201, a waste soil outlet 204 is disposed at a position where the retaining plate 203 corresponds to the connection of the waste soil conveyor belt 304, and a waste soil inlet is disposed at a position where the waste soil storage box 103 is connected to the waste soil conveyor belt 304; as shown in fig. 6, one end of the muck conveyer belt 304 is connected to the muck outlet 204, and the other end thereof extends into the muck storage box 103 through the muck inlet. As shown in fig. 7, the belt conveying assembly includes a first rotating shaft 302 and a second rotating shaft 306 which are installed on the muck conveying belt 304 and are in transmission connection with the muck conveying belt 304, the first rotating shaft 302 is connected with the output end of the third driving motor 301, and the muck conveying belt 304 is driven by the third driving motor 301 to operate; third driving motor 301 installs in soil storage box 103, and the bilateral symmetry at dregs conveyer belt 304 distributes has backup pad 303, and the both ends of two backup pads 303 are connected with first axis of rotation 302 and second axis of rotation 306 respectively, it installs fixed plate 305 to rotate on the backup pad 303, fixed plate 305 and frame 101 are connected. And starting the third driving motor 301, wherein the output end of the third driving motor 301 drives the first rotating shaft 302 to move, and the first rotating shaft 302 drives the second rotating shaft 306 to move through the muck conveyor belt 304.

The utility model discloses a working process: starting the hydraulic cylinder 102, driving the support frame 202 to move by a cylinder arm of the hydraulic cylinder 102, starting the electric push rod 411, driving the sliding block 406 to move by the cylinder arm of the electric push rod 411, driving the wedge-shaped push block 409 to move by the sliding block 406, compressing the wedge-shaped push block 409, driving the limiting bayonet pin 408 to be clamped into the upper groove of the cleaning plate 412, starting the first-stage rough digging unit to work, starting the second driving motor 404, and driving the screw rod and the spiral cutting knife 401 to move by an output end of the second driving motor 404; the first driving motor 503 is started, the output end of the first driving motor 503 drives the first belt pulley 504 and the second belt pulley 505 to move, the first belt pulley 504 drives the third belt pulley 506 to move through the first belt 507, the third belt pulley 506 drives the lifting screw 501 to move, the second belt pulley 505 drives the fourth belt pulley 508 to move through the second belt 509, the fourth belt pulley 508 drives the second screw 512 to move, and the lifting screw 501 and the second screw 512 drive the lifting frame 502 to move; when the pile hole excavating work is started as shown in fig. 21, soil brought by the helical blades on the helical cutting blades 401 is transported to the soil storage box 103 by the transport device 3, the third driving motor 301 is started, the output end of the third driving motor 301 drives the first rotating shaft 302 to move, the first rotating shaft 302 drives the second rotating shaft 306 to move through the muck conveyor belt 304, and the muck is transported to the soil storage box 103. After the pile hole is dug and formed, controlling

The electric push rod 411 drives the sliding block 406 to retract, the limiting bayonet 408 is reset through the elastic force of a spring on the elastic connecting rod, but the wedge-shaped push block 409 is not driven to move, the secondary fine digging unit starts to work, at the moment, the digging device is positioned in a formed hole, the arc-shaped cleaning plate 412 of the digging device is attached to the hole wall, the screw rod 412 continues to rotate, the screw rod 412 rotates in place, due to the action of friction force, the sliding rod 414 moves in a sliding groove on the screw rod 402, the sliding rod 414 drives the cleaning plate 412 to move, and the hole wall of the pile hole is leveled and compacted in the moving process; meanwhile, the cleaning plate 412 drives the two cleaning sheets 413 to move to clean residual soil on the spiral cutting knife 401, soil dug out by the secondary fine digging unit is transported to the soil storage box 103 through the transporting device 3, after digging is completed, the electric push rod 411 drives the sliding block 406 to retract, the sliding block 406 drives the wedge-shaped push block 409 to move, the inclined surface on the wedge-shaped push block 409 is in contact with the inclined surface on the reset wedge-shaped block on the regulating and controlling box 405, the wedge-shaped push block 409 resets, the lifting device 5 drives the digging device 4 to move upwards and reset, and in the process of moving upwards, the cleaning plate 412 can scrape the hole wall flatly again. After the lifting device 5 is reset, the arm of the hydraulic cylinder 102 moves the support frame 2.

The second embodiment provides a construction method of the bored pile excavating device, and specifically uses the bored pile excavating device in the first embodiment, including the steps of:

the method comprises the following steps: determining, controlling and checking the axial position of each pile; through guiding and measuring, 6 permanent control points are established in the foundation pit and arranged in an I shape, and the axis positions of the piles are determined, controlled and checked through the orthogonal axis control network;

step two: preparing before construction, notifying a measurement group in advance by field personnel, measuring the pile position on the field, marking the pile position, cleaning stones and obstacles around the pile position, and auditing data again.

Step three: the hole digging pile construction device in the utility model is moved to a first pile position marking point through a trailer, and the supporting frame provided with the digging device is turned downwards through the turning mechanism, so that the digging hole at the bottom of the supporting frame is just opposite to the marked pile position;

step four: before digging a hole, the cleaning plate is positioned at the edge of the topmost end of the spiral cutting knife, at the moment, an electric push rod is started, a limiting clamping pin is driven by the electric push rod to be clamped into the cleaning plate, a secondary fine digging mechanism is locked, and primary digging is carried out on the pile hole;

step five: simultaneously starting a first driving motor and a second driving motor, wherein the first driving motor drives the excavating device to move downwards along the supporting frame, and simultaneously the second driving motor drives the spiral rod and the spiral cutting knife to rotate so as to dig the soil in the pile hole; in the excavation process, the muck is brought to a muck recovery plate at the bottom of the support frame through the rotation of the spiral cutting knife, and the muck is transported to a muck storage box through a transporting device;

step six: when the primary rough excavation reaches the bottom of the pile hole, controlling the electric push rod to drive the limiting bayonet lock to move away from the limiting bayonet groove on the cleaning plate, and unlocking the secondary fine excavation mechanism at the moment; stopping the first driving mechanism, stopping the screw rod and the spiral cutting knife in the preliminarily formed pile hole, continuously operating the second driving motor, rotating the spiral rod and the spiral cutting knife in the formed pile hole, contacting the cleaning plate with the wall of the pile hole, and moving the cleaning plate downwards along the screw rod under the action of friction force to trowel the wall of the pile hole; the residue soil dug out in the second-stage fine digging mode is brought to a residue soil recovery plate at the bottom of the supporting frame through the rotation of the spiral cutting knife, and the residue soil is conveyed to a soil storage box through a conveying device;

step seven: after the second-stage digging is finished, a first driving mechanism is started, the first driving mechanism drives the lifting frame to move upwards, meanwhile, the second driving motor continues to work to drive the spiral rod, the spiral cutting knife and the cleaning plate to continue rotating, the hole wall can be leveled and compacted again, and after the digging device completely rises to the supporting frame, the digging work is finished;

step eight: after the excavation is finished, the supporting frame is upwards overturned for 90 degrees through the overturning mechanism, the square of the supporting frame is placed on the frame, and then the supporting frame can be moved to the next pile position mark point through the trailer to carry out the excavation work of the next hole pile

The above description is only one embodiment of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a portable digging pile digging device which characterized in that: the soil digging device comprises a moving device (1), a supporting frame (2), a digging device (4) and a lifting device (5), wherein the moving device (1) comprises a vehicle frame (101) and a traveling mechanism (104) positioned at the bottom of the vehicle frame (101), the supporting frame (2) is positioned at the tail part of the vehicle frame (101), is connected with the vehicle frame (101) through a turnover mechanism, and is arranged on the vehicle frame (101) in an upward rotating manner or vertically arranged at the tail part of the vehicle frame (101) in a downward rotating manner under the action of the turnover mechanism; a residue soil recovery plate (201) is arranged at the bottom of the supporting frame (2), and a soil digging opening (202) is formed in the residue soil recovery plate (201); the lifting device (5) comprises a lifting screw (501), a lifting frame (502), a first driving motor (503) and a transmission assembly, the lifting screw (501) is vertically arranged in the supporting frame (2) and is rotationally connected with the supporting frame (2), the lifting frame (502) is positioned in the supporting frame (2) and is in threaded connection with the lifting screw (501), and the first driving motor (503) is arranged at the top of the supporting frame (2), is connected with the lifting screw (501) through the transmission assembly and drives the lifting screw (501) to rotate; the excavating device (4) comprises a second driving motor (404) arranged on the lifting frame (502), a spiral rod (402) arranged on an output shaft of the second driving motor (404) and spiral cutting knives (401) distributed along the spiral rod (402), wherein the spiral rod (402) is right opposite to the soil excavating opening (202), the spiral rod (402) is driven to rotate through the second driving motor (404), and the spiral rod moves up and down along the supporting frame (2) under the action of the lifting device (5).

2. The portable dug pile earth-moving apparatus of claim 1, wherein: the soil digging device further comprises a conveying device (3), a soil storage box (103) is fixedly installed below one side, close to the supporting frame (2), of the frame (101), the conveying device (3) comprises a third driving motor (301), a belt conveying assembly and a soil residue conveying belt (304) connected with the soil residue recovery plate (201) and the soil storage box (103), and the third driving motor (301) drives the soil residue conveying belt (304) to convey soil residues on the soil residue recovery plate (201) to the soil storage box (103) through the belt conveying assembly.

3. A portable dug pile earthmoving apparatus according to claim 1 or 2, characterized in that: the digging device (4) further comprises a secondary fine digging mechanism, a spiral groove is formed in the spiral rod (402), the secondary fine digging mechanism comprises an arc-shaped cleaning plate (412) and a sliding rod (414), the arc-shaped cleaning plate (412) is vertically arranged on the edge of the spiral cutting knife (401), one end of the sliding rod (414) is connected with the arc-shaped cleaning plate (412), and the other end of the sliding rod is embedded into the spiral groove; two grades of smart locking mechanical system that digs is located hob (402) top, including electric putter (411) and spacing bayonet lock (408), correspond on arc cleaning plate (412) and be equipped with spacing bayonet lock (410) to when arc cleaning plate (412) are located spiral cutting knife (401) the top, lock it through electric putter (411) control spacing bayonet lock (408) embedding spacing bayonet lock (410).

4. A portable hole-digging pile soil-excavating device according to claim 1 or 2, wherein: the turnover mechanism comprises a rotating frame (105) and a hydraulic cylinder (102), the supporting frame (2) is rotatably connected with the tail part of the frame (101) through the rotating frame (105), the hydraulic cylinder (102) is arranged in the middle of the frame (101), and the piston end of the hydraulic cylinder is connected with the frame (101); the support frame (2) is driven to rotate along the rotating frame (105) under the telescopic state of the hydraulic cylinder (102); a trailer connecting piece (106) is arranged on one side of the vehicle frame (101) far away from the supporting frame (2).

5. A portable dug pile earthmoving apparatus according to claim 1 or 2, characterized in that: the two lifting screw rods (501) are arranged on one side of the excavating device (4) in parallel, the two lifting screw rods (501) are positioned between the top frame and the bottom frame of the supporting frame (2), and the lower ends of the two lifting screw rods are rotatably connected with the bottom frame; the transmission assembly comprises a first belt pulley (504) and a second belt pulley (505) which are coaxially arranged at the extending end of the first driving motor (503), a third belt pulley (506) and a fourth belt pulley (508) are respectively arranged on the two lifting screw rods (501), the first belt pulley (504) is in transmission connection with the third belt pulley (506) through a first belt (507), and the second belt pulley (505) is in transmission connection with the fourth belt pulley (508) through a second belt (509).

6. A portable dug pile earthmoving apparatus according to claim 1 or 2, characterized in that: the supporting frame (2) is a square frame, the lifting frame (502) is of a square structure with the size smaller than or matched with the section of the inner frame of the supporting frame (2), the lifting screw (501) is arranged on one side of the lifting frame (502), and the lifting screw (501) is not arranged on the same side or the opposite side of the turnover mechanism; 1-3 limiting slide rods (510) are arranged on one side of the lifting frame (502) opposite to the lifting screw (501), the length of each limiting slide rod (510) is matched with the lifting screw (501) and is fixed on the supporting frame (2), and sliding holes are correspondingly arranged on the lifting frame (502) and are in sliding connection with the slide rods (510) through the sliding holes.

7. A portable hole-digging pile soil-excavating device according to claim 2, wherein: the muck recycling plate (201) is an inclined plate with a low connecting side with the muck conveyor belt (304), a soil retaining plate (203) is arranged on the edge of the lower side of the muck recycling plate (201), a muck outlet (204) is formed in the position, corresponding to the muck conveyor belt (304), of the soil retaining plate (203), a muck inlet is formed in the position, connected with the muck conveyor belt (304), of the soil storage box (103), one end of the muck conveyor belt (304) is connected with the muck outlet (204), and the other end of the muck conveyor belt extends into the muck storage box (103) through the muck inlet; the inner diameter of the digging hole (202) is larger than the diameter of the spiral cutting knife (401) or matched with the spiral cutting knife (401), and under the action of the lifting device (5), the spiral digging mechanism moves up and down along the digging hole (202) to realize the construction of a pile hole.

8. A portable dug pile earthmoving apparatus according to claim 2, characterized in that: the belt conveying assembly comprises a first rotating shaft (302) and a second rotating shaft (306) which are arranged on the muck conveying belt (304) and are in transmission connection with the muck conveying belt (304), the first rotating shaft (302) is connected with the output end of a third driving motor (301), and the muck conveying belt (304) is driven to work by the third driving motor (301); third driving motor (301) are installed and are stored up soil box (103), and there are backup pad (303) at the bilateral symmetry distribution of dregs conveyer belt (304), and the both ends of two backup pad (303) are connected with first axis of rotation (302) and second axis of rotation (306) respectively, it installs fixed plate (305) to rotate on backup pad (303), fixed plate (305) and frame (101) are connected.

9. A portable hole-digging pile soil-excavating device according to claim 3, wherein: the excavating device (4) also comprises a regulating and controlling component arranged on the lifting frame (502); the adjusting and controlling component comprises an adjusting and controlling box (405), a sliding block (406) and a wedge-shaped pushing block (409), wherein the sliding block (406) and the wedge-shaped pushing block (409) are positioned in the adjusting and controlling box (405), the electric push rod (411) is positioned outside the adjusting and controlling box (405), the end part of the push rod extends into the adjusting and controlling box (405) and is connected with the sliding block (406), the wedge-shaped surface of the wedge-shaped pushing block (409) faces the sliding block (406), and the sliding block (406) is provided with an inclined surface matched with the wedge-shaped pushing block (409); the wedge-shaped push block (409) is connected with a limiting bayonet lock (408) through an elastic connecting rod (407), and the sliding block (406) moves along the regulating box (405) under the action of the electric push rod (411) to extrude the wedge-shaped push block (409) so that the limiting bayonet lock (408) is correspondingly embedded into a limiting bayonet lock (410) on the cleaning plate (412); the elastic connecting rod is a spring sleeved outside the connecting rod, one end of the spring is connected with the corresponding wedge-shaped pushing block, and the other end of the spring is fixed on the inner wall of the regulating and controlling box (405); a stable frame (403) is arranged at the connecting part of the screw rod (402) and the second driving motor (404), the stable frame (403) is connected with the lifting frame (502), and the screw rod (402) is rotationally connected with the stable frame (403).

10. A portable hole-digging pile soil-excavating device according to claim 3, wherein: be equipped with cleaning sheet (413) on cleaning plate (412), cleaning sheet (413) are equipped with two, and the symmetry is installed and is close to one side of hob (402) on cleaning plate (412) to it is perpendicular with cleaning plate (412), two cleaning sheet (413) and spiral cutting knife (401) upper surface laminating or perpendicular.