CN113320032B

CN113320032B - Pile cutting machine

Info

Publication number: CN113320032B
Application number: CN202110570982.8A
Authority: CN
Inventors: 董作卓; 董海波; 胡江涛; 周明伟; 徐凯
Original assignee: Jiangsu Wanxiang Construction Engineering Group Co ltd
Current assignee: Jiangsu Wanxiang Construction Engineering Group Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2023-03-10
Anticipated expiration: 2041-05-25
Also published as: CN113320032A

Abstract

The invention discloses a pile cutting machine which comprises a cutting mechanism, wherein a clamping mechanism with a front opening is arranged at the top of the cutting mechanism, a travelling mechanism with a front opening is arranged at the bottom of the cutting mechanism, the cutting mechanism comprises a vertical plate, a guide ring, an annular sliding block and a mounting plate, the guide ring is arranged on one side of the vertical plate, the guide ring comprises a fixed section, a rotating section and a sliding rail, the fixed section is fixedly arranged at the front end of the bottom of the vertical plate, and the rotating section is arranged on two sides of the fixed section. According to the invention, the opening is formed in the front of the clamping mechanism and the travelling mechanism, the guide ring is divided into three parts, two rotating sections can rotate around the vertical plate, so that the front end of the guide ring can also be opened, and the device can be sleeved on the outer side of the pile at any position of the pile, so that the device is more convenient to fix, and the device is not closed up and down, so that the device can be used for cutting any position of the pile.

Description

Pile cutting machine

Technical Field

The invention relates to the technical field of pile cutting, in particular to a pile cutting machine.

Background

The pile cutting machine is one kind of engineering machine suitable for fast cutting pile head in pile foundation engineering. The pile head cutting device is suitable for cutting pile heads in various pile foundation forms. The pile breaking machine is generally called a pile cutting machine in the world in order to meet the habit of China. The CFG pile is an abbreviation of English CementFly-ashGrave, and means a cement fly ash gravel pile, which is a variable-strength pile made of various pile forming machines by mixing gravel, stone chips, soil sand and fly ash with cement and adding water, and the upper end part of the CFG pile needs to be cut after the CFG pile is made, wherein the currently adopted cutting method is a pile cutter. The existing pile cutting machine is roughly divided into two types, one type is hydraulic type, pressure is provided for a plurality of oil cylinders of the pile cutting machine through a power source, the oil cylinders directly drive drill rods, and meanwhile, a pile body is extruded, so that a pile head is cut off. The pile cutting machine has large impact vibration and is not suitable for being used on CFG piles.

Chinese patent publication No. CN111851490A discloses a CFG pile cutter, relating to the technical field of pile cutting, and including a frame, where the frame includes a bottom frame, the bottom frame is in an annular structure, and the periphery of the bottom frame is fixedly provided with a plurality of connecting plates perpendicular to an annular plane; the top of the connecting plate is fixedly connected with the top frame; a positioning and height adjusting device is arranged in the center of the top frame; the connecting plate is telescopically provided with a holding adjusting device; the frame is internally provided with a total rotating device in a rotating way; a rotary cutting device is slidably arranged on the overall rotary device; a cutting tensioning mechanism is arranged on the overall rotating device; the cutting tensioning mechanism is contacted with the rotary cutting device in an abutting mode. However, this device has the following drawbacks: 1. the underframe in the device is of an annular structure, so that the whole device needs to be sleeved from the top of a pile when the device is installed and fixed, and the device is inconvenient to install for the pile with higher top height; 2. the top frame in the device is of a three-blade structure, so that the top frame can only be positioned at the top of a pile column when the pile is cut, and further the cut length is limited.

Disclosure of Invention

The present invention aims to solve the above problems by providing a pile cutter.

The invention achieves the above purpose through the following technical scheme:

pile cutting machine, including cutting mechanism, the cutting mechanism top is provided with the open-ended fixture in the place ahead, the cutting mechanism bottom is provided with the open-ended running gear in the place ahead, cutting mechanism includes riser, guide ring, annular slider, mounting panel, riser one side is provided with the guide ring, the guide ring includes canned paragraph, rotation section, slide rail, canned paragraph fixed mounting is in riser bottom front end, the canned paragraph both sides are provided with the rotation section, the rotation section is close to the welding of canned paragraph's one end rear has the rotation otic placode, the rotation otic placode rotates through the link gear and connects in riser one side, the rotation section is kept away from the one end the place ahead of canned paragraph is provided with the engaging lug, the engaging lug has seted up the pilot hole on the engaging lug, canned paragraph and rotation section inboard all through pin joint the slide rail, when two the engaging lug contact together, all the slide rail constitutes an annular slide rail, the slide rail outside swing joint has the annular slider, the welding of annular slider inboard has the mounting panel, be provided with cutting assembly on the mounting panel, set up like this and set up because the front opening has been seted up because the opening has been divided into three parts to the riser, wherein two rotation sections can not rotate the arbitrary post device, and can also make this post device go on this post in this cutting mechanism and the post in this arbitrary closed.

Preferably, the cutting assembly includes slider, motor, cutting disc, handle, spring, the spout has been seted up on the mounting panel, and the inboard sliding connection of this spout has the slider, there is the motor at the slider top through bolted connection, the output of motor passes the slider, and has through blade holder fixed mounting the cutting disc, one side fixed mounting that this annular slide rail centre of a circle was kept away from to the slider has the spring, the spring other end is fixed on this spout, slider both sides still fixed mounting have the handle, set up like this and can drive the cutting disc through the motor and rotate, can slide in the annular slide rail outside through driving spring control annular slider to and the degree of depth of control cutting, realized the function to the stake cutting.

Preferably, the top of the annular sliding block is connected with a connecting block through a bolt, the connecting block is provided with an insertion hole, the vertical plate is provided with a threaded hole corresponding to the insertion hole, and a pin is screwed in the inner side of the threaded hole, so that the position of the annular sliding block can be fixed by matching the pin with the connecting block when the annular sliding block is not used.

Preferably, the linkage mechanism comprises a first pin shaft, a second pin shaft and transmission shafts, the first pin shaft is fixedly connected with one of the rotation lug plates and is further rotatably connected with the vertical plate, the second pin shaft is fixedly connected with the other rotation lug plate and is further rotatably connected with the vertical plate, two transmission shafts are arranged between the first pin shaft and the second pin shaft and are in gear meshing connection, and the two transmission shafts are respectively in transmission connection with the first pin shaft and the second pin shaft.

Preferably, fixture includes upper mounting bracket, grip block, the upper mounting bracket is U type structure, the upper mounting bracket inboard is provided with two relative settings the grip block, V type draw-in groove has been seted up to the opposite face of grip block, the opposite side of grip block is provided with the drive two the drive assembly of grip block synchronous and relative movement sets up like this and can drive two grip blocks through drive assembly and remove for the grip block centre gripping has realized the function of this device of fixed mounting in the stake outside.

Preferably, the drive assembly includes first dead lever, connecting plate, two-way cylinder, first dead lever one end with grip block fixed connection, the first dead lever other end passes the upper fixing frame, and with upper fixing frame sliding connection, and be fixed with the connecting plate, two-way cylinder passes through bolted connection the upper fixing frame is inboard, two outputs of two-way cylinder all pass the upper fixing frame, and with two the connecting plate is kept away from the one end fixed connection of first dead lever sets up like this and can drive two connecting plates through two-way cylinder and remove, and the connecting plate drives first dead lever and removes, and first dead lever drives the grip block and removes for the grip block centre gripping is in the stake outside.

Preferably, the driving assembly comprises a first fixing rod, a connecting plate, a threaded sleeve, a lead screw and a double-shaft motor, one end of the first fixing rod is fixedly connected with the clamping plate, the other end of the first fixing rod penetrates through the upper fixing frame and is connected with the upper fixing frame in a sliding mode, the connecting plate is fixed on the connecting plate, one end, far away from the first fixing rod, of the connecting plate is connected with the threaded sleeve through a bolt, internal threads in opposite directions are formed in the inner side of the threaded sleeve, the threaded sleeve is far away from one end of the connecting plate and extends into the inner side of the upper fixing frame, the lead screw is connected to the inner side of the threaded sleeve in a threaded mode, the lead screw is far away from one end of the threaded sleeve and is connected with the output end of the double-shaft motor through a coupler, the double-shaft motor is connected to the inner side of the upper fixing frame through a bolt, the double-shaft motor can drive the two lead screws to rotate, the lead screw drives the threaded sleeve to move, the threaded sleeve to drive the connecting plate to move, the connecting plate drives the first fixing rod to move, the first fixing rod drives the clamping plate to move, and the clamping plate to enable the clamping plate to be clamped outside the pile column.

Preferably, running gear includes fixed plate, fly leaf, universal wheel, first buckle, second buckle, the fixed plate passes through bolted connection and is in riser bottom rear end, the fixed plate both ends articulate have with the fixed plate sets up perpendicularly and thickness is the same the fly leaf, fly leaf bottom both ends have through bolted connection the universal wheel, the fixed plate with still be provided with between the fly leaf first buckle with the second buckle, work as the fly leaf with during the fixed plate parallel and level, first buckle is connected the fixed plate with between the fly leaf, work as the fly leaf is located the fixed plate below sets up, the second buckle is connected between fixed plate and the fly leaf that rises, sets up like this and can make the fly leaf fix in two different positions department through first buckle and second buckle, and then made things convenient for remove this device, still made running gear not influence the cutting to the stake.

Preferably, the bottom of the fixed plate is located between the bottom end of the guide ring and the bottom end of the cutting assembly, so that when the universal wheel is arranged to be in contact with the ground, the movable plate does not influence the rotation of the rotating section, and when the cutting assembly is used for cutting, the movable plate is flush with the fixed plate and does not influence the cutting position.

Preferably, the rear end of the upper fixing frame is connected with a push handle through a screw, so that the device can be moved by pushing the push handle.

The technical scheme provided by the invention can have the following beneficial effects:

1. the opening is formed in the front of the clamping mechanism and the front of the traveling mechanism, the guide ring is divided into three parts, two rotating sections can rotate around the vertical plate, so that the front end of the guide ring can also be opened, and the device can be sleeved on the outer side of the pile at any position of the pile, so that the device is more convenient to fix;

2. because the upper part and the lower part of the device are not closed, the device can cut any position of the pile.

Additional features of the invention and advantages thereof will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of a first configuration of the pipe pile cutter of the present invention;

FIG. 2 is a second schematic construction of the pipe pile cutter of the present invention;

FIG. 3 is a schematic structural view of the pile cutting machine according to another state of the present invention;

FIG. 4 is a schematic structural view of a first embodiment of a clamping mechanism of the pipe pile cutter of the present invention;

FIG. 5 is a schematic structural diagram of a cutting mechanism of the pile cutting machine according to the present invention;

FIG. 6 is a schematic structural diagram of a traveling mechanism of the pile cutting machine according to the invention;

FIG. 7 is a schematic structural diagram of a linkage mechanism of the pile cutting machine according to the present invention;

fig. 8 is a schematic structural view of a second embodiment of the holding mechanism of the pile cutting machine according to the invention.

The reference numerals are explained below:

1. a clamping mechanism; 2. a cutting mechanism; 3. a traveling mechanism; 4. a linkage mechanism; 101. an upper fixing frame; 102. a clamping plate; 103. a first fixing lever; 104. a connecting plate; 105. a bidirectional cylinder; 106. a push handle; 11. a threaded sleeve; 12. a lead screw; 13. a double-shaft motor; 201. a vertical plate; 202. a guide ring; 203. an annular slider; 204. mounting a plate; 205. a slider; 206. a motor; 207. cutting the disc; 208. a handle; 209. a spring; 210. connecting blocks; 211. a pin; 2021. a fixed section; 2022. a rotating section; 2023. a slide rail; 2024. connecting lugs; 2025. rotating the ear plate; 301. a fixing plate; 302. a movable plate; 303. a universal wheel; 304. a first buckle; 305. a second buckle; 401. a first pin shaft; 402. a second pin shaft; 403. a drive shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, are used in the orientations and positional relationships indicated in the drawings, which are based on the orientations and positional relationships indicated in the drawings, and are used for convenience of description and simplicity of description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Example 1

As shown in fig. 1-7, the pile cutting machine comprises a cutting mechanism 2, a clamping mechanism 1 with an opening at the front is arranged at the top of the cutting mechanism 2, a traveling mechanism 3 with an opening at the front is arranged at the bottom of the cutting mechanism 2, the cutting mechanism 2 comprises a vertical plate 201, a guide ring 202, an annular slider 203 and a mounting plate 204, the guide ring 202 is arranged at one side of the vertical plate 201, the guide ring 202 comprises a fixed section 2021, a rotating section 2022 and a slide rail 2023, the fixed section 2021 is fixedly arranged at the front end of the bottom of the vertical plate 201, the rotating section 2022 is arranged at two sides of the fixed section 2021, a rotating ear plate 2025 is welded at the rear part of one end of the rotating section 2022 close to the fixed section 2021, the rotating ear plate 2025 is rotatably connected at one side of the vertical plate 201 through a linkage mechanism 4, a connecting ear 2024 is arranged at the front part of one end of the rotating section 2022 far away from the fixed section 2021, an assembling hole is arranged on the connecting ear 2024, fixed section 2021 and rotation section 2022 are inboard all through pin joint with slide rail 2023, when two engaging lug 2024 contacts together, all slide rails 2023 constitute an annular slide rail, slide rail 2023 outside swing joint has annular slider 203, the inboard welding of annular slider 203 has mounting panel 204, be provided with the cutting subassembly on the mounting panel 204, set up like this because the opening has been seted up in fixture 1 and running gear 3 the place ahead, guide ring 202 divide into the triplex, wherein two rotation sections 2022 can rotate around riser 201, consequently, the guide ring 202 front end also can the opening, and then this device can establish this device cover in the pile outside in the optional position department of pile, make fixed this device convenience more, because this device is all unclosed from top to bottom, consequently, can cut the optional position department of pile.

The cutting assembly comprises a sliding block 205, a motor 206, a cutting disc 207, a handle 208 and a spring 209, wherein a sliding groove is formed in a mounting plate 204, the inner side of the sliding groove is connected with the sliding block 205 in a sliding manner, the top of the sliding block 205 is connected with the motor 206 through a bolt, the output end of the motor 206 penetrates through the sliding block 205 and is fixedly provided with the cutting disc 207 through a tool apron, one side of the sliding block 205, which is far away from the circle center of the annular sliding rail, is fixedly provided with the spring 209, the other end of the spring 209 is fixed on the sliding groove, the two sides of the sliding block 205 are also fixedly provided with the handle 208, so that the cutting disc 207 can be driven to rotate by the motor 206, the annular sliding block 203 can be controlled to slide on the outer side of the annular sliding rail through driving the spring 209, the cutting depth can be controlled, the pile cutting function is realized, the top of the annular sliding block 203 is connected with a connecting block 210 through a bolt, a jack is formed in the connecting block 210, and a threaded hole corresponding to the jack is formed in the upright plate 201, the inner side of the threaded hole is screwed with a pin 211, so that when the device is not used, the position of the annular slider 203 can be fixed by the matching of the pin 211 and the connecting block 210, the linkage mechanism 4 comprises a first pin 401, a second pin 402 and a transmission shaft 403, the first pin 401 is fixedly connected with one rotating lug 2025 and is also rotatably connected with the vertical plate 201, the second pin 402 is fixedly connected with the other rotating lug 2025 and is also rotatably connected with the vertical plate 201, two transmission shafts 403 are arranged between the first pin 401 and the second pin 402 and are in meshed connection through gears, the two transmission shafts 403 are respectively in transmission connection with the first pin 401 and the second pin 402, so that when the rotating section 2022 is rotated, the rotating section 2022 drives the rotating lug 2025 to rotate, the rotating lug 2025 drives the first pin 401 or the second pin 402 to rotate, the first pin 401 or the second pin 402 drives the transmission shaft 403 to rotate, and further the second pin 402 or the first pin 401 is to be determined to rotate, so that the other rotating section 2022 rotates synchronously and the rotating direction is opposite, the clamping mechanism 1 comprises an upper fixing frame 101 and a clamping plate 102, the upper fixing frame 101 is of a U-shaped structure, two clamping plates 102 arranged oppositely are arranged on the inner side of the upper fixing frame 101, a V-shaped clamping groove is formed on the opposite surface of the clamping plate 102, a driving component for driving the two clamping plates 102 to move synchronously and relatively is arranged on the opposite side of the clamping plate 102, the driving component can drive the two clamping plates 102 to move through the driving component, so that the clamping plate 102 is clamped on the outer side of the pile, the function of fixedly mounting the device is realized, the driving component comprises a first fixing rod 103, a connecting plate 104 and a bidirectional cylinder 105, one end of the first fixing rod 103 is fixedly connected with the clamping plate 102, the other end of the first fixing rod 103 passes through the upper fixing frame 101 and is connected with the upper fixing frame 101 in a sliding connection with the upper fixing frame 101, and is fixed with a connecting plate 104, the bidirectional cylinder 105 is connected with a movable clamp plate 302 through a universal movable plate 104, the universal wheel 301 and a movable clamp plate 301, the universal wheel 301 is connected with the first movable plate 302, the clamping plate 302, the universal wheel 301 and a universal wheel 301, a first buckle 304 and a second buckle 305 are further arranged between the fixed plate 301 and the movable plate 302, when the movable plate 302 is flush with the fixed plate 301, the first buckle 304 is connected between the fixed plate 301 and the movable plate 302, when the movable plate 302 is arranged below the fixed plate 301, the second buckle 305 is connected between the fixed plate 301 and the ascending movable plate 302, the arrangement can enable the movable plate 302 to be fixed at two different positions through the first buckle 304 and the second buckle 305, and further facilitates moving the device, the travelling mechanism 3 is enabled not to affect cutting of a pile column, the bottom of the fixed plate 301 is located between the bottom end of the guide ring 202 and the bottom end of the cutting assembly, when the universal wheel 303 is in contact with the ground, the movable plate 3029 does not affect rotation of the rotating section 2022, when cutting is performed, the movable plate 302 is flush with the fixed plate 301, the cutting position is not affected, the rear end of the upper fixing frame 101 is connected with the push handle 106 through screws, and the arrangement can enable the device to move by pushing the push handle 106.

In the above structure, when in use, the device is firstly pushed, so that the two clamping plates 102 of the device are located on the outer sides of the pile, then the bidirectional cylinder 105 is started, the bidirectional cylinder 105 drives the two connecting plates 104 to move, the connecting plates 104 drive the first fixing rods 103 to move, the first fixing rods 103 drive the clamping plates 102 to move, so that the clamping plates 102 are clamped on the outer sides of the pile, at this time, the device is fixed on the pile, then the rotating section 2022 is rotated, so that the connecting lugs 2024 are contacted together, then the two connecting lugs 2024 are fixed together by using connecting pieces such as a clamping block and a bolt, then the second buckle 305 is operated, so that the movable plate 302 and the fixing plate 301 are in a hinged state, the movable plate 302 is rotated so that the movable plate 302 and the fixing plate 301 are flush, then the position of the movable plate 302 is fixed by using the first buckle 304, then the height of the device is adjusted according to the cutting position, by operating the bidirectional cylinder 105, then the pin 211 is rotated so that the pin 211 is separated from the connecting block 210, at this time, the annular slider 203 is slidably connected with the slide rail 2023, and then the motor 206 is controlled by the handle 208 and the motor 206 is started.

Example 2

As shown in fig. 8, embodiment 2 differs from embodiment 1 in that: the driving assembly comprises a first fixing rod 103, a connecting plate 104, a thread bushing 11, a lead screw 12, a double-shaft motor 13, one end of the first fixing rod 103 is fixedly connected with a clamping plate 102, the other end of the first fixing rod 103 penetrates through an upper fixing frame 101, and is slidably connected with the upper fixing frame 101, and is fixed with the connecting plate 104, one end, far away from the first fixing rod 103, of the connecting plate 104 is connected with the thread bushing 11 through a bolt, internal threads in opposite directions are arranged on the inner sides of the two thread bushings 11, one end, far away from the connecting plate 104, of the thread bushing 11 extends into the inner side of the upper fixing frame 101, a lead screw 12 is screwed on the inner side of the thread bushing 11, one end, far away from the thread bushing 11, of the lead screw 12 is connected with the output end of the double-shaft motor 13 through a coupler, the double-shaft motor 13 is connected with the inner side of the upper fixing frame 101 through a bolt, the double-shaft motor 13 can drive the two lead screws 12 to rotate, the lead screw 12 drives the thread bushing 11 to move, the thread bushing 11 drives the connecting plate 104 to move, the connecting plate 104 drives the first fixing rod 103 to move, the first fixing rod 103 drives the clamping plate 102 to move, so that the clamping plate 102 is clamped outside the pile.

In the above structure, when in use, the device is firstly pushed, so that the two clamping plates 102 of the device are located on the outer side of the pile, then the dual-shaft motor 13 is started, the dual-shaft motor 13 drives the two screw rods 12 to rotate, the screw rods 12 drive the threaded sleeves 11 to move, the threaded sleeves 11 drive the connecting plates 104 to move, the connecting plates 104 drive the first fixing rods 103 to move, the first fixing rods 103 drive the clamping plates 102 to move, so that the clamping plates 102 are clamped on the outer side of the pile, at this time, the device is fixed on the pile, then the rotating section 2022 is rotated, so that the connecting lugs 2024 are contacted together, then connecting pieces such as clamping blocks and bolts are used, so that the two connecting lugs 2024 are fixed together, then the second buckle 305 is operated, so that the movable plate 302 and the fixing plate 301 are in a hinged state, the movable plate 302 is rotated to be flush with the fixing plate 301, then the position of the movable plate 302 is fixed by using the first buckle 304, then the height of the device is adjusted according to the cutting position, by operating the dual-shaft motor 13, then the pin 211 is rotated to be separated from the connecting block 210, at this time, the annular slider 203 is slidably connected with the sliding rail 2023, and the motor can be used for cutting the pile.

The foregoing shows and describes the general principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Pile cutting machine, its characterized in that: the cutting device comprises a cutting mechanism (2), a clamping mechanism (1) with a front opening is arranged at the top of the cutting mechanism (2), a traveling mechanism (3) with a front opening is arranged at the bottom of the cutting mechanism (2), the cutting mechanism (2) comprises a vertical plate (201), a guide ring (202), an annular slider (203) and a mounting plate (204), the guide ring (202) is arranged at one side of the vertical plate (201), the guide ring (202) comprises a fixed section (2021), a rotating section (2022) and a sliding rail (2023), the fixed section (2021) is fixedly mounted at the front end of the bottom of the vertical plate (201), the rotating section (2022) is arranged at two sides of the fixed section (2021), a rotating lug plate (2025) is welded at the rear part of one end, close to the fixed section (2021), of the rotating section (2022), the rotating lug plate (2025) is rotatably connected to one side of the vertical plate (201) through a linkage mechanism (4), a connecting lug (2024) is arranged at the front part, which is far away from the fixed section (2021), a connecting lug (2024) is arranged on the top of the fixed section (2022), and a pin joint of the sliding rail (2023) and a pin is connected with one end of the sliding rail (2023) through the inner side of the sliding rail (2023), the outer side of the sliding rail (2023) is movably connected with the annular sliding block (203), the inner side of the annular sliding block (203) is welded with the mounting plate (204), and the mounting plate (204) is provided with a cutting assembly;

the cutting assembly comprises a sliding block (205), a motor (206), a cutting disc (207), a handle (208) and a spring (209), a sliding groove is formed in the mounting plate (204), the sliding block (205) is connected to the inner side of the sliding groove in a sliding mode, the top of the sliding block (205) is connected with the motor (206) through a bolt, the output end of the motor (206) penetrates through the sliding block (205) and is fixedly provided with the cutting disc (207) through a cutter holder, the spring (209) is fixedly arranged on one side, away from the circle center of the annular sliding rail, of the sliding block (205), the other end of the spring (209) is fixed on the sliding groove, and the handle (208) is fixedly arranged on two sides of the sliding block (205);

the top of the annular sliding block (203) is connected with a connecting block (210) through a bolt, an insertion hole is formed in the connecting block (210), a threaded hole corresponding to the insertion hole is formed in the vertical plate (201), and a pin (211) is screwed on the inner side of the threaded hole;

the linkage mechanism (4) comprises a first pin shaft (401), a second pin shaft (402) and transmission shafts (403), the first pin shaft (401) is fixedly connected with one of the rotating lug plates (2025) and is also rotatably connected with the vertical plate (201), the second pin shaft (402) is fixedly connected with the other rotating lug plate (2025) and is also rotatably connected with the vertical plate (201), two transmission shafts (403) are arranged between the first pin shaft (401) and the second pin shaft (402) and are meshed and connected through gears, and the two transmission shafts (403) are respectively in transmission connection with the first pin shaft (401) and the second pin shaft (402);

the clamping mechanism (1) comprises an upper fixing frame (101) and clamping plates (102), the upper fixing frame (101) is of a U-shaped structure, the two clamping plates (102) which are oppositely arranged are arranged on the inner side of the upper fixing frame (101), V-shaped clamping grooves are formed in opposite surfaces of the clamping plates (102), and driving components for driving the two clamping plates (102) to synchronously and relatively move are arranged on opposite sides of the clamping plates (102);

the driving assembly comprises a first fixing rod (103), a connecting plate (104) and a bidirectional cylinder (105), one end of the first fixing rod (103) is fixedly connected with the clamping plate (102), the other end of the first fixing rod (103) penetrates through the upper fixing frame (101), is in sliding connection with the upper fixing frame (101), and is fixedly provided with the connecting plate (104), the bidirectional cylinder (105) is connected to the inner side of the upper fixing frame (101) through bolts, two output ends of the bidirectional cylinder (105) both penetrate through the upper fixing frame (101), and is fixedly connected with one ends, far away from the first fixing rod (103), of the two connecting plates (104);

or the driving assembly comprises a first fixing rod (103), a connecting plate (104), thread sleeves (11), a lead screw (12) and a double-shaft motor (13), one end of the first fixing rod (103) is fixedly connected with the clamping plate (102), the other end of the first fixing rod (103) penetrates through the upper fixing frame (101) and is in sliding connection with the upper fixing frame (101), the connecting plate (104) is fixed on the upper fixing frame, one end, far away from the first fixing rod (103), of the connecting plate (104) is connected with the thread sleeves (11) through bolts, internal threads in opposite directions are formed in the inner sides of the two thread sleeves (11), one end, far away from the connecting plate (104), of the thread sleeve (11) extends into the inner side of the upper fixing frame (101), the lead screw (12) is connected to the inner side of the thread sleeve (11) in a threaded manner, one end, far away from the thread sleeve (11), of the lead screw (12) is connected with the output end of the double-shaft motor (13) through a coupler, and the double-shaft motor (13) is connected to the inner side of the upper fixing frame (101) through bolts;

running gear (3) include fixed plate (301), fly leaf (302), universal wheel (303), first buckle (304), second buckle (305), fixed plate (301) through bolted connection be in riser (201) bottom rear end, fixed plate (301) both ends articulate have with fixed plate (301) sets up perpendicularly and thickness is the same fly leaf (302), fly leaf (302) bottom both ends have through bolted connection have universal wheel (303), fixed plate (301) with still be provided with between fly leaf (302) first buckle (304) with second buckle (305), work as fly leaf (302) with when fixed plate (301) parallel and level, first buckle (304) are connected fixed plate (301) with between fly leaf (302), work as fly leaf (302) are located fixed plate (301) below sets up, second buckle (305) are connected between fixed plate (301) and the fly leaf (302).

2. The pile cutting machine according to claim 1, characterized in that: the bottom of the fixing plate (301) is positioned between the bottom end of the guide ring (202) and the bottom end of the cutting assembly.

3. The pile cutting machine according to claim 1, characterized in that: the rear end of the upper fixing frame (101) is connected with a push handle (106) through a screw.