阅读说明：本技术 一种用于硬质土质的水利施工用埋管开槽装置 (A buried pipe fluting device for water conservancy construction for stereoplasm soil property ) 是由 孙雷 朱莹 王文静 张冉冉 汪伟 李恒 于 2021-10-14 设计创作，主要内容包括：本发明属于水利施工技术领域,且公开了一种用于硬质土质的水利施工用埋管开槽装置,包括基架,所述基架的内部安装有可转动的转轴,所述转轴上安装有两个切割片,且转轴靠近两个切割片的两侧均旋合连接有螺环,所述转轴圆周面上开设有外螺纹,还包括支撑架,所述支撑架上安装有顶架,所述顶架上安装有电动推杆。本发明通过拉动两个切割片,使两个切割片在转轴上移动,转动转轴上的螺环,通过外螺纹配合使螺环抵住切割片,让两个切割片固定于使用者需要的位置处,使装置进行开槽时,无需反复多次进行开槽,可以依据使用者实际需求进行调节,大大降低了开槽难度,提高了开槽效率,从而降低了埋管难度,提高了埋管效率。(The invention belongs to the technical field of water conservancy construction, and discloses a buried pipe slotting device for water conservancy construction of hard soil, which comprises a base frame, wherein a rotatable rotating shaft is arranged in the base frame, two cutting pieces are arranged on the rotating shaft, two sides of the rotating shaft, which are close to the two cutting pieces, are respectively connected with a spiral ring in a screwing mode, the circumferential surface of the rotating shaft is provided with an external thread, the buried pipe slotting device also comprises a supporting frame, an upper frame is arranged on the supporting frame, and an electric push rod is arranged on the upper frame. According to the pipe burying device, the two cutting blades are pulled to move on the rotating shaft, the spiral ring on the rotating shaft is rotated, the spiral ring is abutted to the cutting blades through the matching of the external threads, the two cutting blades are fixed at the position required by a user, and when the device is used for grooving, the grooving is not required to be repeatedly performed, the adjustment can be performed according to the actual requirement of the user, the grooving difficulty is greatly reduced, the grooving efficiency is improved, so that the pipe burying difficulty is reduced, and the pipe burying efficiency is improved.)

1. The utility model provides a buried pipe fluting device for water conservancy construction for stereoplasm soil matter, includes bed frame (2), its characterized in that: the utility model discloses a cutting machine, including bed frame (2), the internally mounted of bed frame (2) has rotatable pivot (14), install two cutting pieces (8) on pivot (14), and pivot (14) are close to the both sides of two cutting pieces (8) and all close to and are connected with spiral ring (16) soon, external screw thread (15) have been seted up on pivot (14) periphery.

2. The buried pipe slotting device for water conservancy construction for hard soil according to claim 1, wherein the buried pipe slotting device comprises: still include support frame (4), install roof-rack (10) on support frame (4), install electric putter (3) on roof-rack (10), electric putter (3) are including flexible end and stiff end, stiff end and roof-rack (10) fixed connection, flexible end is connected with bed frame (2).

3. The buried pipe slotting device for water conservancy construction for hard soil according to claim 1, wherein the buried pipe slotting device comprises: the inside symmetry of support frame (4) closes soon and is connected with two screw rods (5), two the round head (18) are all installed to the one end that screw rod (5) are relative, and side bearer (6) are all installed to the one end that two screw rods (5) carried on the back mutually, second guide bar (21) are installed to one side that side bearer (6) are close to screw rod (5).

4. The buried pipe slotting device for water conservancy construction for hard soil according to claim 3, wherein the buried pipe slotting device comprises: a guide wheel groove (22) is formed in the side frame (6), and a rotatable guide wheel (12) is mounted in the guide wheel groove (22).

5. The buried pipe slotting device for water conservancy construction for hard soil according to claim 4, wherein the buried pipe slotting device comprises: and a second motor (17) is arranged on the side frame (6), and the output end of the second motor (17) is connected with the guide wheel (12).

6. The buried pipe slotting device for water conservancy construction for hard soil according to claim 3, wherein the buried pipe slotting device comprises: and hand wheels (11) are arranged at the opposite ends of the two rotating heads (18), and annular grooves (19) are formed in the hand wheels (11).

7. The buried pipe slotting device for water conservancy construction for hard soil according to claim 1, wherein the buried pipe slotting device comprises: two movable first guide rods (13) are arranged inside the base frame (2), one end of each first guide rod (13) is connected with the base frame (2), and a limiting plate (20) is arranged at the other end of each first guide rod.

8. The buried pipe slotting device for water conservancy construction for hard soil according to claim 1, wherein the buried pipe slotting device comprises: install first motor (1) on bed frame (2), the output and pivot (14) of first motor (1) are connected.

9. The buried pipe slotting device for water conservancy construction for hard soil according to claim 1, wherein the buried pipe slotting device comprises: the inside bottom of bed frame (2) forms slope (9), and bed frame (2) bottom symmetry installs two trip (7), two install trip (24) between trip (7), dust collection box (23) are installed to trip (24) bottom, accomodate chamber (27) have been seted up to the inside of dust collection box (23).

10. The buried pipe slotting device for water conservancy construction for hard soil according to claim 9, wherein: a guide cover (25) is arranged on one side of the top of the dust collection box (23) close to the clamping frame (24), and a guide groove (26) is formed in the guide cover (25).

Technical Field

The invention belongs to the technical field of water conservancy construction, and particularly relates to a buried pipe slotting device for water conservancy construction of hard soil.

Background

The hydraulic engineering refers to various engineering (including new construction, extension, reconstruction, reinforcement, restoration, dismantling and other projects) such as flood control, flood drainage, irrigation, hydroelectric generation, water diversion (supply), mud flat treatment, water and soil conservation, water resource protection and the like, and matching and auxiliary projects thereof.

When the existing device is used for slotting, the slotting needs to be repeated for multiple times, the slotting can not be adjusted according to actual requirements, the slotting difficulty is greatly increased, the slotting efficiency is reduced, the pipe burying difficulty is increased, and the pipe burying efficiency is reduced.

Disclosure of Invention

The invention aims to provide a buried pipe slotting device for water conservancy construction of hard soil, which aims to solve the problems of high slotting difficulty and low slotting efficiency in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a buried pipe fluting device for water conservancy construction for stereoplasm soil matter, includes the bed frame, the internally mounted of bed frame has rotatable pivot, install two cutting pieces in the pivot, and the pivot is close to the both sides of two cutting pieces and all closes and be connected with the spiro, the external screw thread has been seted up on the pivot periphery.

Preferably, still include the support frame, install the roof-rack on the support frame, install electric putter on the roof-rack, electric putter includes flexible end and stiff end, stiff end and roof-rack fixed connection, flexible end is connected with the bed frame.

Preferably, the inside symmetry of support frame closes soon and is connected with two screws, two the turning head is all installed to the one end that the screw rod is relative, and the side bearer is all installed to the one end that two screws were carried on the back mutually, the second guide bar is installed to one side that the side bearer is close to the screw rod.

Preferably, a guide wheel groove is formed in the side frame, and a rotatable guide wheel is mounted in the guide wheel groove.

Preferably, a second motor is mounted on the side frame, and an output end of the second motor is connected with the guide wheel.

Preferably, hand wheels are installed at the two ends, back to back, of the rotating heads, and annular grooves are formed in the hand wheels.

Preferably, two movable first guide rods are installed inside the base frame, one end of each first guide rod is connected with the base frame, and a limiting plate is installed at the other end of each first guide rod.

Preferably, a first motor is installed on the base frame, and an output end of the first motor is connected with the rotating shaft.

Preferably, the bottom end of the inside of the base frame forms a slope, two clamping hooks are symmetrically arranged at the bottom of the base frame, a clamping frame is arranged between the two clamping hooks, a dust collection box is arranged at the bottom of the clamping frame, and a containing cavity is formed in the dust collection box.

Preferably, a flow guide cover is arranged on one side, close to the clamping frame, of the top of the dust collection box, and a flow guide groove is formed in the flow guide cover.

Compared with the prior art, the invention has the beneficial effects that:

(1) according to the pipe burying device, the two cutting blades are pulled to move on the rotating shaft, the spiral ring on the rotating shaft is rotated, the spiral ring is abutted to the cutting blades through the matching of the external threads, the two cutting blades are fixed at the position required by a user, and when the device is used for grooving, the grooving is not required to be repeatedly performed, the adjustment can be performed according to the actual requirement of the user, the grooving difficulty is greatly reduced, the grooving efficiency is improved, so that the pipe burying difficulty is reduced, and the pipe burying efficiency is improved.

(2) On the basis of the beneficial effects, the base frame is driven to move by the electric push rod, and the cutting blade is driven to move while rotating by the base frame, so that the depth of the cutting blade entering soil is adjusted, the slotting depth of the device is convenient to adjust, manual adjustment of a user is not needed, the slotting difficulty is further reduced, the slotting efficiency is improved, the pipe burying difficulty is further reduced, and the pipe burying efficiency is further improved.

(3) On the basis of the beneficial effects, the rotary head drives the screw rod to rotate through rotating the rotary head, the screw rod moves in the support frame through the matching of the second guide rod, the side frame is driven to move through the screw rod, the side frame is abutted against a wall body, a user does not need to manually hold the device when the device is used, the use difficulty of the device is further reduced, and the slotting efficiency is improved.

(4) On the basis of the beneficial effects, the guide wheel abuts against the wall, the guide wheel is driven to rotate by the second motor, so that the device moves on the wall, and when the device is grooved, a user does not need to pull the device manually, the use difficulty of the device is further reduced, and the grooving efficiency is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the base frame of the present invention;

FIG. 3 is a side view of the base frame of the present invention in connection with a dust collecting case;

FIG. 4 is a cross-sectional view of the base B-B of FIG. 2;

FIG. 5 is a top view of the pod of the present invention;

FIG. 6 is an internal structure view of the dust box of the present invention;

FIG. 7 is a top view of the present invention;

FIG. 8 is an internal structural view of FIG. 2;

FIG. 9 is a top view of the support bracket of the present invention shown in connection with a threaded rod;

FIG. 10 is an enlarged view of portion A of FIG. 7;

FIG. 11 is a side view of the support frame of the present invention shown in connection with the top frame;

in the figure: 1. a first motor; 2. a base frame; 3. an electric push rod; 4. a support frame; 5. a screw; 6. a side frame; 7. a hook is clamped; 8. cutting the slices; 9. a slope; 10. a top frame; 11. a hand wheel; 12. a guide wheel; 13. a first guide bar; 14. a rotating shaft; 15. an external thread; 16. a spiro ring; 17. a second motor; 18. turning the head; 19. an annular groove; 20. a limiting plate; 21. a second guide bar; 22. a guide wheel groove; 23. a dust collecting box; 24. a clamping frame; 25. a pod; 26. a diversion trench; 27. a receiving cavity.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-11, the present invention provides the following technical solutions:

the first embodiment is as follows: a buried pipe slotting device for water conservancy construction for hard soil comprises a pedestal 2, a rotatable rotating shaft 14 is installed inside the pedestal 2, two cutting blades 8 are installed on the rotating shaft 14, two sides of the rotating shaft 14, which are close to the two cutting blades 8, are both connected with a spiral ring 16 in a screwing mode, an external thread 15 is formed on the circumferential surface of the rotating shaft 14, a first motor 1 is installed on the pedestal 2, the output end of the first motor 1 is connected with the rotating shaft 14, the two cutting blades 8 are pulled to enable the two cutting blades 8 to move on the rotating shaft 14, after the two cutting blades 8 move to positions on the rotating shaft 14, required by a user, the spiral rings 16 on two sides of the cutting blades 8 are rotated, the spiral rings 16 are matched through the external thread 15 to enable the spiral rings 16 to abut against the cutting blades 8, the cutting blades 8 are fixed at positions required by the user, the cutting blades 8 are aligned to positions required to be slotted, the cutting blades 8 are driven to rotate through the first motor 1, and the pedestal 2 is pushed, therefore, the cutting blade 8 moves while rotating, and the position needing grooving is grooved through the cutting blade 8, so that a user can conveniently bury the pipe.

Example two: a buried pipe slotting device for water conservancy construction for hard soil comprises a base frame 2, a rotatable rotating shaft 14 is mounted inside the base frame 2, two cutting blades 8 are mounted on the rotating shaft 14, two sides of the rotating shaft 14, which are close to the two cutting blades 8, are both connected with a spiral ring 16 in a screwing mode, external threads 15 are formed on the circumferential surface of the rotating shaft 14, a first motor 1 is mounted on the base frame 2, and the output end of the first motor 1 is connected with the rotating shaft 14;

the cutting device is characterized by further comprising a supporting frame 4, an upper frame 10 is installed on the supporting frame 4, an electric push rod 3 is installed on the upper frame 10, the electric push rod 3 comprises a telescopic end and a fixed end, the fixed end is fixedly connected with the upper frame 10, the telescopic end is connected with the base frame 2, the two cutting blades 8 are pulled to move on the rotating shaft 14, after the two cutting blades 8 move to positions on the rotating shaft 14 required by a user, spiral rings 16 on two sides of the cutting blades 8 are rotated, the spiral rings 16 are matched through external threads 15 to abut against the cutting blades 8, the cutting blades 8 are fixed at positions required by the user, the cutting blades 8 are aligned to positions required to be slotted, the cutting blades 8 are driven to rotate through a first motor 1, the supporting frame 4 is placed at a use point, the base frame 2 is driven to move through the electric push rod 3, the cutting blades 8 are driven to move through the base frame 2, and accordingly the cutting blades 8 move while rotating, the position to be grooved is grooved through the cutting blade 8, so that a user can conveniently bury the pipe.

Example three: a buried pipe slotting device for water conservancy construction for hard soil comprises a base frame 2, a rotatable rotating shaft 14 is mounted inside the base frame 2, two cutting blades 8 are mounted on the rotating shaft 14, two sides of the rotating shaft 14, which are close to the two cutting blades 8, are both connected with a spiral ring 16 in a screwing mode, external threads 15 are formed on the circumferential surface of the rotating shaft 14, a first motor 1 is mounted on the base frame 2, and the output end of the first motor 1 is connected with the rotating shaft 14;

the electric push rod type lifting device is characterized by further comprising a supporting frame 4, wherein an upper frame 10 is installed on the supporting frame 4, an electric push rod 3 is installed on the upper frame 10, the electric push rod 3 comprises a telescopic end and a fixed end, the fixed end is fixedly connected with the upper frame 10, and the telescopic end is connected with the base frame 2;

two screws 5 are symmetrically and rotatably connected inside the support frame 4, the opposite ends of the two screws 5 are respectively provided with a rotating head 18, the opposite ends of the two screws 5 are respectively provided with a side frame 6, one side of the side frame 6 close to the screws 5 is provided with a second guide rod 21, two cutting blades 8 are pulled to enable the two cutting blades 8 to move on a rotating shaft 14, after the two cutting blades 8 move to the position on the rotating shaft 14 required by a user, spiral rings 16 on two sides of the cutting blades 8 are rotated to enable the spiral rings 16 to abut against the cutting blades 8 through matching of external threads 15, the cutting blades 8 are fixed at the position required by the user, the cutting blades 8 are aligned to the position required to be grooved, the cutting blades 8 are driven to rotate through a first motor 1, the support frame 4 is placed at a use point, the rotating head 18 is rotated, the screws 5 are driven to rotate through the rotating head 18, and the screws 5 are driven to move in the support frame 4 through matching of the second guide rods 21, the screw rod 5 drives the side frame 6 to move, so that the side frame 6 is abutted against two sides of a position to be grooved, the fixing device drives the base frame 2 to move through the electric push rod 3, the cutting piece 8 is driven to move through the base frame 2, the cutting piece 8 is driven to move while rotating, the position to be grooved is grooved through the cutting piece 8, and a user can bury a pipe conveniently.

Example four: a buried pipe slotting device for water conservancy construction for hard soil comprises a base frame 2, a rotatable rotating shaft 14 is mounted inside the base frame 2, two cutting blades 8 are mounted on the rotating shaft 14, two sides of the rotating shaft 14, which are close to the two cutting blades 8, are both connected with a spiral ring 16 in a screwing mode, external threads 15 are formed on the circumferential surface of the rotating shaft 14, a first motor 1 is mounted on the base frame 2, and the output end of the first motor 1 is connected with the rotating shaft 14;

the electric push rod type lifting device is characterized by further comprising a supporting frame 4, wherein an upper frame 10 is installed on the supporting frame 4, an electric push rod 3 is installed on the upper frame 10, the electric push rod 3 comprises a telescopic end and a fixed end, the fixed end is fixedly connected with the upper frame 10, and the telescopic end is connected with the base frame 2;

two screw rods 5 are symmetrically and rotatably connected inside the support frame 4, the opposite ends of the two screw rods 5 are respectively provided with a rotating head 18, the opposite ends of the two screw rods 5 are respectively provided with a side frame 6, and one side of each side frame 6 close to the screw rod 5 is provided with a second guide rod 21;

a guide wheel groove 22 is formed in the side frame 6, a rotatable guide wheel 12 is installed in the guide wheel groove 22, a second motor 17 is installed on the side frame 6, and the output end of the second motor 17 is connected with the guide wheel 12; pulling the two cutting blades 8 to make the two cutting blades 8 move on the rotating shaft 14, after the two cutting blades 8 move to the position on the rotating shaft 14 required by a user, rotating the spiral rings 16 at the two sides of the cutting blades 8, matching through the external threads 15 to make the spiral rings 16 abut against the cutting blades 8, making the cutting blades 8 fixed at the position required by the user, aligning the cutting blades 8 at the position required to be grooved, driving the cutting blades 8 to rotate through the first motor 1, placing the support frame 4 at a using point, rotating the rotary head 18, driving the screw rod 5 to rotate through the rotary head 18, matching through the second guide rod 21 to make the screw rod 5 move in the support frame 4, driving the side frames 6 to move through the screw rod 5, making the side frames 6 abut against the two sides at the position required to be grooved, driving the guide wheel 12 to rotate through the second motor 17, rolling through the guide wheel 12 to make the device move, driving the pedestal 2 to move through the electric push rod 3, drive cutting piece 8 through bed frame 2 and remove to make cutting piece 8 remove when the pivoted, notch through the position that cutting piece 8 will need the fluting, thereby adjust the fluting degree of depth, and let the device can notch when removing, let the user be convenient for carry out the pipe laying.

Example five: a buried pipe slotting device for water conservancy construction for hard soil comprises a base frame 2, a rotatable rotating shaft 14 is mounted inside the base frame 2, two cutting blades 8 are mounted on the rotating shaft 14, two sides of the rotating shaft 14, which are close to the two cutting blades 8, are both connected with a spiral ring 16 in a screwing mode, external threads 15 are formed on the circumferential surface of the rotating shaft 14, a first motor 1 is mounted on the base frame 2, and the output end of the first motor 1 is connected with the rotating shaft 14;

the electric push rod type lifting device is characterized by further comprising a supporting frame 4, wherein an upper frame 10 is installed on the supporting frame 4, an electric push rod 3 is installed on the upper frame 10, the electric push rod 3 comprises a telescopic end and a fixed end, the fixed end is fixedly connected with the upper frame 10, and the telescopic end is connected with the base frame 2;

two screw rods 5 are symmetrically and rotatably connected inside the support frame 4, the opposite ends of the two screw rods 5 are respectively provided with a rotating head 18, the opposite ends of the two screw rods 5 are respectively provided with a side frame 6, and one side of each side frame 6 close to the screw rod 5 is provided with a second guide rod 21;

a guide wheel groove 22 is formed in the side frame 6, a rotatable guide wheel 12 is installed in the guide wheel groove 22, a second motor 17 is installed on the side frame 6, and the output end of the second motor 17 is connected with the guide wheel 12;

hand wheels 11 are respectively installed at the opposite ends of the two rotating heads 18, annular grooves 19 are formed in the hand wheels 11, the two cutting blades 8 are pulled to enable the two cutting blades 8 to move on the rotating shaft 14, after the two cutting blades 8 move to the position, needed by a user, on the rotating shaft 14, the spiral rings 16 on the two sides of the cutting blades 8 are rotated, the spiral rings 16 are matched through external threads 15 to enable the spiral rings 16 to abut against the cutting blades 8, the cutting blades 8 are fixed at the position, needed by the user, the cutting blades 8 are aligned to the position, needed to be grooved, the cutting blades 8 are driven to rotate through the first motor 1, the supporting frame 4 is placed at a using point, the hand wheels 11 are rotated through the annular grooves 19, the rotating heads 18 are driven to rotate through the hand wheels 11, the screw rods 5 are driven to rotate through the rotating heads 18, the screw rods 5 are matched through the second guide rods 21, the screw rods 5 enable the screw rods 5 to drive the side frames 6 to move, and enable the side frames 6 to abut against the two sides of the position, needed to be grooved, drive guide pulley 12 through second motor 17 and rotate, roll through guide pulley 12, make the device remove, drive bed frame 2 through electric putter 3 and remove, drive cutting piece 8 through bed frame 2 and remove to make cutting piece 8 remove in the pivoted, notch through the position that cutting piece 8 will need the fluting, thereby adjust the fluting degree of depth, and let the device can notch when removing, let the user be convenient for bury the pipe.

Example six: a buried pipe slotting device for water conservancy construction for hard soil comprises a base frame 2, a rotatable rotating shaft 14 is mounted inside the base frame 2, two cutting blades 8 are mounted on the rotating shaft 14, two sides of the rotating shaft 14, which are close to the two cutting blades 8, are both connected with a spiral ring 16 in a screwing mode, external threads 15 are formed on the circumferential surface of the rotating shaft 14, a first motor 1 is mounted on the base frame 2, and the output end of the first motor 1 is connected with the rotating shaft 14;

the electric push rod type lifting device is characterized by further comprising a supporting frame 4, wherein an upper frame 10 is installed on the supporting frame 4, an electric push rod 3 is installed on the upper frame 10, the electric push rod 3 comprises a telescopic end and a fixed end, the fixed end is fixedly connected with the upper frame 10, and the telescopic end is connected with the base frame 2;

two screw rods 5 are symmetrically and rotatably connected inside the support frame 4, the opposite ends of the two screw rods 5 are respectively provided with a rotating head 18, the opposite ends of the two screw rods 5 are respectively provided with a side frame 6, and one side of each side frame 6 close to the screw rod 5 is provided with a second guide rod 21;

a guide wheel groove 22 is formed in the side frame 6, a rotatable guide wheel 12 is installed in the guide wheel groove 22, a second motor 17 is installed on the side frame 6, and the output end of the second motor 17 is connected with the guide wheel 12;

hand wheels 11 are arranged at the opposite ends of the two rotating heads 18, and annular grooves 19 are formed in the hand wheels 11;

two movable first guide rods 13 are arranged in the base frame 2, one end of each first guide rod 13 is connected with the base frame 2, the other end of each first guide rod 13 is provided with a limiting plate 20, two cutting blades 8 are pulled to enable the two cutting blades 8 to move on a rotating shaft 14, after the two cutting blades 8 move to positions on the rotating shaft 14 required by a user, spiral rings 16 on two sides of each cutting blade 8 are rotated, the spiral rings 16 are abutted against the cutting blades 8 through matching of external threads 15, the cutting blades 8 are fixed at positions required by the user, the cutting blades 8 are aligned to the positions required to be grooved, the cutting blades 8 are driven to rotate through a first motor 1, the support frame 4 is placed at a use point, a hand wheel 11 is rotated through an annular groove 19, a rotary head 18 is driven to rotate through the hand wheel 11, a screw rod 5 is driven to rotate through the rotary head 18, the screw rod 5 is matched through a second guide rod 21, the screw rod 5 is driven to move in the support frame 4, and the side frame 6 is driven to move through the screw rod 5, make the side bearer 6 support the both sides that need fluting position department, drive guide pulley 12 through second motor 17 and rotate, roll through guide pulley 12, make the device remove, it removes to drive bed frame 2 through electric putter 3, and through first guide bar 13 and limiting plate 20, it is more steady when letting bed frame 2 remove, it removes to drive cutting piece 8 through bed frame 2, thereby make cutting piece 8 remove when the pivoted, it slots to need the position of slotting through cutting piece 8, thereby adjust the fluting degree of depth, and let the device can slot when removing, let the user be convenient for bury the pipe.

Example seven: a buried pipe slotting device for water conservancy construction for hard soil comprises a base frame 2, a rotatable rotating shaft 14 is mounted inside the base frame 2, two cutting blades 8 are mounted on the rotating shaft 14, two sides of the rotating shaft 14, which are close to the two cutting blades 8, are both connected with a spiral ring 16 in a screwing mode, external threads 15 are formed on the circumferential surface of the rotating shaft 14, a first motor 1 is mounted on the base frame 2, and the output end of the first motor 1 is connected with the rotating shaft 14;

the electric push rod type lifting device is characterized by further comprising a supporting frame 4, wherein an upper frame 10 is installed on the supporting frame 4, an electric push rod 3 is installed on the upper frame 10, the electric push rod 3 comprises a telescopic end and a fixed end, the fixed end is fixedly connected with the upper frame 10, and the telescopic end is connected with the base frame 2;

two screw rods 5 are symmetrically and rotatably connected inside the support frame 4, the opposite ends of the two screw rods 5 are respectively provided with a rotating head 18, the opposite ends of the two screw rods 5 are respectively provided with a side frame 6, and one side of each side frame 6 close to the screw rod 5 is provided with a second guide rod 21;

a guide wheel groove 22 is formed in the side frame 6, a rotatable guide wheel 12 is installed in the guide wheel groove 22, a second motor 17 is installed on the side frame 6, and the output end of the second motor 17 is connected with the guide wheel 12;

hand wheels 11 are arranged at the opposite ends of the two rotating heads 18, and annular grooves 19 are formed in the hand wheels 11;

two movable first guide rods 13 are arranged in the base frame 2, one end of each first guide rod 13 is connected with the base frame 2, and a limiting plate 20 is arranged at the other end of each first guide rod 13;

a slope 9 is formed at the bottom end inside the base frame 2, two hooks 7 are symmetrically installed at the bottom of the base frame 2, a clamping frame 24 is installed between the two hooks 7, a dust collecting box 23 is installed at the bottom of the clamping frame 24, an accommodating cavity 27 is formed inside the dust collecting box 23, a flow guide cover 25 is installed at one side, close to the clamping frame 24, of the top of the dust collecting box 23, a flow guide groove 26 is formed inside the flow guide cover 25, the clamping frame 24 is clamped with the hooks 7, the dust collecting box 23 is fixed below the base frame 2, the two cutting blades 8 are pulled to move on the rotating shaft 14, after the two cutting blades 8 move to a position on the rotating shaft 14 required by a user, the spiral rings 16 at two sides of the cutting blades 8 are rotated, the spiral rings 16 are abutted against the cutting blades 8 through the matching of the external threads 15, the cutting blades 8 are fixed at the position required by the user, the cutting blades 8 are aligned to the position required to be grooved, the cutting blades 8 are driven to rotate through the first motor 1, the support frame 4 is placed at a using point, the hand wheel 11 is rotated through the annular groove 19, the hand wheel 11 drives the rotary head 18 to rotate, the rotary head 18 drives the screw rod 5 to rotate, the second guide rod 21 is matched to enable the screw rod 5 to move in the support frame 4, the screw rod 5 drives the side frame 6 to move, the side frame 6 is abutted against two sides of a position needing grooving, the second motor 17 drives the guide wheel 12 to rotate, the guide wheel 12 rolls to enable the device to move, the electric push rod 3 drives the base frame 2 to move, the base frame 2 moves more stably through the first guide rod 13 and the limiting plate 20, the base frame 2 drives the cutting piece 8 to move, the cutting piece 8 moves while rotating, the position needing grooving is grooved through the cutting piece 8, the grooving depth is adjusted, the device can perform grooving while moving, soil during grooving is guided through the guide cover 25 and the guide groove 26, the mud enters into the containing cavity 27 inside the dust collecting box 23, so that the user can conveniently bury the pipe.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.