CN116815854A - Municipal works ditching machine of digging grooves - Google Patents

Abstract

The application discloses a municipal engineering ditcher for ditching, and belongs to the field of municipal construction. Comprises a movable carrier, a driving arm and a grooving assembly; the trenching assembly includes: a driving member; the main rotating shaft is arranged at the output end of the driving piece; a rotating disk fixed with the main rotating shaft; a plurality of slotting cutters fixedly arranged on the rotary disk and a transmission piece for forming transmission between the rotary disk and the main rotary shaft; the trenching blade includes: the cutter comprises a supporting plate, a cutter body plate, a rotating rod and a torsion spring; a control component is arranged between the grooving cutter and the rotating disc; the control assembly is used for forming an included angle of 130-160 degrees between the cutter body plate and the supporting plate; the control assembly is matched with the torsion spring, so that an included angle of 200-230 degrees can be formed between the cutter body plate and the supporting plate.

Description

Municipal works ditching machine of digging grooves

Technical Field

The application relates to the field of municipal construction, in particular to a ditcher for ditching in municipal engineering.

Background

Municipal pipeline laying requires trenching and ditching, the construction in the market at present basically uses the excavator or excavates through manual work, and the excavator construction trenching and ditching are inconvenient, and the working face is bigger and causes economic waste easily, and manual trenching and ditching is time-consuming and laborious, and long construction period causes certain economic loss.

The prior municipal engineering trenching ditcher only rotates a plurality of blades around a fixed axis to realize trenching when ditching, but the mode can lead to the trenching depth, namely the distance between the blades and the fixed axis, so that the size of the blades is greatly increased to obtain larger trenching depth. And an increase in the blade size may result in an increase in load and also an increase in the size of the entire apparatus, thereby increasing construction costs.

Disclosure of Invention

The summary of the application is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. The summary of the application is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter.

To solve the technical problems mentioned in the background section above, some embodiments of the present application provide a trench digging machine for municipal works, comprising: a moving carrier, a driving arm and a grooving assembly; the movable carrier is used for bearing the driving arm; the driving arm is used for installing the grooving assembly; the trenching assembly includes: a driving member; the main rotating shaft is arranged at the output end of the driving piece; a rotating disk fixed with the main rotating shaft; a plurality of slotting cutters fixedly arranged on the rotary disk and a transmission piece for forming transmission between the rotary disk and the main rotary shaft; the transmission piece is used for enabling the rotating disc to move relative to the axis of the main rotating shaft, so that the part of the rotating disc, which is at least partially positioned at the lower part of the axis of the main rotating shaft, is larger than the part of the rotating disc, which is positioned at the upper part of the axis of the main rotating shaft; the trenching blade includes: the cutter comprises a supporting plate, a cutter body plate, a rotating rod and a torsion spring; a control component is arranged between the grooving cutter and the rotating disc; the control assembly is used for forming an included angle of 130-160 degrees between the cutter body plate and the supporting plate; the torsion spring is used for driving the cutter body plate to rotate away from the control assembly relative to the supporting plate; the control assembly is matched with the torsion spring, so that an included angle of 200-230 degrees can be formed between the cutter body plate and the supporting plate; when the grooving cutter is positioned at the lower part of the axis of the main rotating shaft, the cutter body plate and the supporting plate form an included angle of 130-160 degrees; when the grooving cutter is positioned at the upper part of the axis of the main rotating shaft, the cutter body plate and the supporting plate form an included angle of 200-230 degrees.

Further, a supporting frame is arranged on the driving arm, and a mounting box is fixedly arranged on the supporting frame; the main rotating shaft is rotationally connected with the mounting box, and penetrates through the mounting box; the driving piece is arranged on the mounting box, a turbofan is arranged at the part of the main rotating shaft, which is positioned on the mounting box, and the turbofan is fixedly connected with the main rotating shaft; an air inlet and an air outlet are formed in the mounting box; an air outlet pipe is arranged at the air outlet; the air outlet direction of the air outlet pipe is parallel to the ground; the two air outlet pipes are arranged oppositely.

Further, the air outlet pipe comprises: flexible tube segments and rigid tube segments; the flexible pipe section is fixedly communicated with an air outlet of the installation box; the rigid pipe section is fixedly communicated with the flexible pipe section; the control assembly comprises a connecting plate; the connecting plate is fixedly arranged on the rigid pipe section; a first guide plate is arranged at one end of the connecting plate; a second guide plate is arranged at the first guide plate; a linkage piece is arranged at the second guide plate; the connecting rope is arranged on the linkage piece; one end of the connecting rope is fixed with the cutter body plate, and the other end of the connecting rope is connected with the linkage piece; a mounting cavity is formed in the rotary disc; the second guide plate is connected with the rotating disc in a sliding way; the linkage is arranged in the mounting chamber; the first guide plate is at least partially abutted with the second guide plate; a third guide plate is arranged on the mounting box; the third guide plate is matched with the second guide plate.

Further, the transmission member includes: the device comprises a mounting plate, a driving screw rod, a driving nut, a sliding block and a rotating motor; the mounting plate is fixedly arranged in the mounting cavity; the driving screw rod is rotationally connected with the mounting plate; the driving nut is in threaded connection with the driving screw rod; the sliding block is fixed with the driving nut; wherein, the rotating motor, the driving screw rod and the driving nut are all provided with two groups; a chute is formed in the rotary disc; the sliding groove is connected with the sliding block in a sliding way; the main rotating shaft is fixedly connected with the sliding block.

Further, the rotating disk includes: the first cover plate, the second cover plate and the mounting ring; the first cover plate and the second cover plate are arranged oppositely; the mounting ring is arranged between the first cover plate and the second cover plate; a first lug is formed on the first cover plate; a second bump is formed on the second cover plate; the inner wall of one end of the mounting ring is in sliding fit with the first convex block; the inner wall at the other end of the mounting ring is in sliding fit with the second convex block; the sliding groove is formed in the first cover plate and the second cover plate; the slotting cutter is arranged on the mounting ring.

Further, a power piece is arranged in the mounting chamber; the power piece includes: the device comprises a first gear, a second gear, a power motor and a motor bracket; the motor bracket is fixed with the inner wall of the mounting cavity; the power motor is arranged on the motor bracket; the output end of the power motor is connected with the first gear; the second gear is fixedly arranged on the mounting ring; the first gear and the second gear are meshed to enable the mounting ring to rotate relative to the first cover plate and the second cover plate.

Further, the linkage includes: the device comprises a fixed shell, a first pushing block and a second pushing block; a sliding channel is formed in the fixed shell; the first pushing block and the second pushing block are both in sliding connection with the sliding channel; the sliding channel is used for filling hydraulic oil; the cross-street area of the first pushing block is larger than that of the second pushing block; the first pushing block is fixed with the second guide plate; the second pushing block is fixed with the connecting rope.

Further, a guide surface is formed on the third guide plate, and the guide surface is used for being matched with the second guide plate.

Further, an abutting plate is arranged at the sliding block; the two sliding blocks and the two abutting plates are arranged, one sliding block and one abutting plate are positioned on one side of the rotating disk, and the other sliding block and the other abutting plate are positioned on the other side of the rotating disk; the main rotating shaft penetrates through the butt joint plate and then is fixed with the sliding block; a plurality of butt joint grooves are formed on one butt joint plate; a plurality of butt joint rods are formed on the other butt joint plate; the number and the positions of the butt joint rods are matched with the butt joint grooves; a plurality of clamping grooves are formed in the butt joint plate with the butt joint grooves; the length direction of the clamping groove is perpendicular to the length direction of the butt joint groove.

The application has the beneficial effects that:

the rotary disk moves eccentrically, so that the application can break through the limit of the size and increase the depth of the digging groove under the condition of smaller volume, thereby realizing energy conservation and construction cost saving under the condition of small volume;

the air outlet pipe is used for blowing air outwards, so that the soil can be thrown farther when the trenching knife throws out the soil through centrifugal force, and the phenomenon that the soil falls after being excavated is avoided, and secondary trenching is performed;

through the setting of control assembly, make the backup pad and the cutter body board of groover can relative movement, realize cutter body board and backup pad when not grooming, get into the mode that reduces air resistance, get back to the mode of normal groover again when grooming to can reduce air resistance and do work, greatly reduced consumption.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application, are incorporated in and constitute a part of this specification. The drawings and their description are illustrative of the application and are not to be construed as unduly limiting the application.

In addition, the same or similar reference numerals denote the same or similar elements throughout the drawings. It should be understood that the figures are schematic and that elements and components are not necessarily drawn to scale.

In the drawings:

FIG. 1 is an overall schematic of an embodiment according to the present application;

FIG. 2 is a schematic structural view of a portion of an embodiment, primarily illustrating the structure of the trenching assembly;

FIG. 3 is a schematic structural view of a portion of an embodiment, primarily showing the configuration of the drive member and a portion of surrounding parts;

FIG. 4 is a schematic structural view of a portion of an embodiment, primarily showing the configuration of the rotating disk and portions of surrounding parts;

FIG. 5 is a schematic structural view of a portion of an embodiment, mainly showing the structure inside the rotating disk;

FIG. 6 is a schematic structural view of a portion of an embodiment, mainly illustrating the structure of a trenching blade;

FIG. 7 is a schematic structural view of a portion of an embodiment, primarily illustrating the structure of the control assembly and portions of surrounding parts;

FIG. 8 is a schematic structural view of a portion of an embodiment, mainly showing the structure of the second guide plate and the first push block;

fig. 9 is a schematic structural view of a part of the embodiment, mainly showing the structure of the third guide plate;

FIG. 10 is a schematic structural view of a portion of an embodiment, mainly showing the structure of a rotary disk;

FIG. 11 is a schematic structural view of a portion of the embodiment, mainly showing the structure of the first cover plate;

FIG. 12 is a schematic structural view of a portion of an embodiment, primarily showing the configuration of the slider and portions of surrounding parts;

FIG. 13 is a schematic structural view of a portion of an embodiment, primarily showing the configuration of the abutment plate and a portion of the surrounding parts;

FIG. 14 is a schematic structural view of a portion of an embodiment, primarily illustrating the explosive structure of two butt-plate butt-joint;

fig. 15 is a schematic structural view of a part of the embodiment, mainly showing another structure of the third guide plate.

Reference numerals:

1. moving the carrier; 2. a driving arm; 21. a support frame; 22. a mounting box; 23. an air outlet pipe; 231. a flexible tube section; 232. a rigid tube section; 24. an abutting plate; 25. a butt joint rod; 3. a driving member; 4. a main rotating shaft; 5. a rotating disc; 51. a first cover plate; 52. a second cover plate; 53. a mounting ring; 54. a first bump; 6. a grooving cutter; 61. a support plate; 62. a cutter body plate; 63. a rotating rod; 64. a torsion spring; 7. a transmission member; 71. a mounting plate; 72. driving a screw rod; 73. a drive nut; 74. a slide block; 75. a rotating electric machine; 8. A control assembly; 81. a connecting plate; 82. a first guide plate; 83. a second guide plate; 84. a linkage member; 841. a fixed case; 842. a first push block; 843. a second push block; 85. a connecting rope; 86. a third guide plate; 9. a power member; 91. a first gear; 92. a second gear; 93. a power motor; 94. and a motor bracket.

Detailed Description

Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While certain embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the drawings and embodiments of the present disclosure are for illustration purposes only and are not intended to limit the scope of the present disclosure.

It should be noted that, for convenience of description, only the portions related to the present application are shown in the drawings. Embodiments of the present disclosure and features of embodiments may be combined with each other without conflict.

It should be noted that the terms "first," "second," and the like in this disclosure are merely used to distinguish between different devices, modules, or units and are not used to define an order or interdependence of functions performed by the devices, modules, or units.

It should be noted that references to "one", "a plurality" and "a plurality" in this disclosure are intended to be illustrative rather than limiting, and those of ordinary skill in the art will appreciate that "one or more" is intended to be understood as "one or more" unless the context clearly indicates otherwise.

The present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

With reference to figures 1-14 of the drawings,

a municipal works trench digger comprising: the movable carrier 1, the driving arm 2 and the grooving assembly; the movable carrier 1 is used for bearing a driving arm 2; the driving arm 2 is used for installing a grooving assembly; the trenching assembly includes: a driving member 3; in this embodiment, the driving member 3 is a stepper motor; a main rotating shaft 4 arranged at the output end of the driving piece 3; a rotary disk 5 fixed to the main rotary shaft 4; a plurality of slotting cutters 6 fixedly arranged on the rotary disk 5 and a transmission member 7 for forming transmission between the rotary disk 5 and the main rotary shaft 4; the transmission member 7 is used for moving the rotating disc 5 relative to the axis of the main rotating shaft 4, so that the part of the rotating disc 5, which is at least partially positioned at the lower part of the axis of the main rotating shaft 4, is larger than the part of the rotating disc 5, which is positioned at the upper part of the axis of the main rotating shaft 4; the trenching blade 6 includes: a support plate 61, a cutter body plate 62, a rotating rod 63, and a torsion spring 64; a control component 8 is arranged between the grooving cutter 6 and the rotary disk 5; the control assembly 8 is used for forming an included angle of 130-160 degrees between the cutter body plate 62 and the support plate 61; the torsion spring 64 is used for driving the cutter body plate 62 to rotate relative to the support plate 61 away from the control assembly 8; the control assembly 8 is matched with the torsion spring 64, so that an included angle of 200-230 degrees can be formed between the cutter body plate 62 and the support plate 61; when the grooving cutter 6 is positioned at the lower part of the axis of the main rotating shaft 4, the cutter body plate 62 and the supporting plate 61 form an included angle of 130-160 degrees; when the grooving cutter 6 is positioned at the upper part of the axis of the main rotating shaft 4, the cutter body plate 62 and the supporting plate 61 form an included angle of 200-230 degrees.

Specifically, a supporting frame 21 is arranged on the driving arm 2, and a mounting box 22 is fixedly arranged on the supporting frame 21; the main rotating shaft 4 is rotatably connected with the installation box 22, and the main rotating shaft 4 penetrates through the installation box 22; the driving piece 3 is arranged on the installation box 22, a turbofan is arranged at the part of the main rotating shaft 4 on the installation box 22, and the turbofan is fixedly connected with the main rotating shaft 4; an air inlet and an air outlet are formed in the mounting box 22; an air outlet pipe 23 is arranged at the air outlet; the air outlet direction of the air outlet pipe 23 is parallel to the ground; the two air outlet pipes 23 are arranged, and the two air outlet pipes 23 are oppositely arranged.

Specifically, the air outlet pipe 23 includes: a flexible tube segment 231 and a rigid tube segment 232; the flexible pipe section 231 is fixedly communicated with an air outlet of the mounting box 22; the rigid tube segment 232 is in fixed communication with the flexible tube segment 231; the control assembly 8 comprises a connection plate 81; the connecting plate 81 is fixedly arranged on the rigid pipe section 232; a first guide plate 82 is arranged at one end of the connecting plate 81; a second guide plate 83 is arranged at the first guide plate 82; a linkage 84 is arranged at the second guide plate 83; a connecting rope 85 is arranged on the linkage piece 84; one end of the connecting rope 85 is fixed with the cutter body plate 62, and the other end is connected with the linkage piece 84; the interior of the rotating disc 5 is provided with a mounting cavity; the second guide plate 83 is slidably connected with the rotating disc 5; the linkage 84 is disposed in the mounting chamber; the first guide plate 82 is at least partially abutted against the second guide plate 83; a third guide plate 86 is arranged on the mounting box 22; the third guide plate 86 is engaged with the second guide plate 83.

Specifically, the transmission member 7 includes: a mounting plate 71, a drive screw 72, a drive nut 73, a slider 74, and a rotary motor 75; the mounting plate 71 is fixedly arranged in the mounting chamber; the driving screw 72 is rotatably connected with the mounting plate 71; the drive nut 73 is in threaded connection with the drive screw 72; the slide block 74 is fixed with the drive nut 73; wherein, the rotating motor 75, the driving screw 72 and the driving nut 73 are provided with two groups; a chute is formed in the rotary disk 5; the sliding groove is in sliding connection with the sliding block 74; the main rotating shaft 4 is fixedly connected with the sliding block 74.

Specifically, the rotating disk 5 includes: a first cover plate 51, a second cover plate 52, and a mounting ring 53; the first cover plate 51 and the second cover plate 52 are disposed opposite to each other; the mounting ring 53 is disposed between the first cover plate 51 and the second cover plate 52; a first bump 54 is formed on the first cover plate 51; a second bump is formed on the second cover plate 52; an inner wall at one end of the mounting ring 53 is in sliding fit with the first bump 54; the inner wall of the other end of the mounting ring 53 is in sliding fit with the second bump; the sliding grooves are formed in the first cover plate 51 and the second cover plate 52; the trenching blade 6 is mounted on the mounting ring.

Specifically, a power piece 9 is arranged in the installation cavity; the power member 9 includes: a first gear 91, a second gear 92, a power motor 93 and a motor bracket 94; the motor bracket 94 is fixed with the inner wall of the mounting chamber; the power motor 93 is mounted on the motor bracket 94; the output end of the power motor 93 is connected with the first gear 91; the second gear 92 is fixedly mounted on the mounting ring 53; the first gear 91 and the second gear 92 are engaged to enable the mounting ring 53 to rotate relative to the first cover plate 51 and the second cover plate 52.

Specifically, the linkage 84 includes: a fixing case 841, a first push block 842, and a second push block 843; a sliding passage is formed in the fixed housing 841; the first push block 842 and the second push block 843 are both slidingly connected with the sliding channel; the sliding channel is used for filling hydraulic oil; the cross-street area of the first push block 842 is greater than the cross-street area of the second push block 843; the first push block 842 is fixed with the second guide plate; the second push block 843 is fixed to the connection rope 85.

Specifically, the third guide plate 86 has a guide surface formed thereon, and the guide surface is configured to cooperate with the second guide plate 83.

Specifically, the slider 74 is provided with an abutment plate 24; two sliders 74 and two abutting plates 24 are provided, one slider 74 and one abutting plate 24 are located on one side of the rotary disk 5, and the other slider 74 and the other abutting plate 24 are located on the other side of the rotary disk 5; the main rotating shaft 4 penetrates through the butt plate 24 and then is fixed with the sliding block 74; one of the abutment plates 24 has a plurality of abutment grooves formed thereon; a plurality of butt-joint bars 25 are formed on the other butt-joint plate 24; the number and the positions of the docking rods 25 are matched with those of the docking slots; a plurality of clamping grooves are formed in the butt joint plate 24 with the butt joint grooves; the length direction of the clamping groove is perpendicular to the length direction of the butt joint groove.

Working process and principle:

when the ditching and grooving device is used, firstly, the movable carrier 1 drives the grooving assembly to move through the driving arm 2, so that the grooving assembly moves to a position where ditching and grooving are required; the driving arm 2 drives the grooving assembly to move upwards and downwards; then the driving piece 3 drives the main rotating shaft 4 to rotate, and the main rotating shaft 4 drives the first cover plate 51, the second cover plate 52 and the mounting ring 53 to rotate together; the trenching blade 6 on the mounting ring 53 moves along with the mounting ring 53, and the trenching blade 6 continuously digs the earth on the ground by rotating about the axis of the main shaft 4 until the trenching blade 6 digs below the ground.

However, when the side surface of the main rotating shaft 4 and the ground are close to each other and contact with each other in the case of grooving by rotating, the grooving cutter 6 cannot continue to move downward, so that the grooving depth is limited, and thus the grooving depth is directly related to the size of the rotating disc 5, so that deep grooving is required, and a larger volume is required to be realized, but when the volume is too large, power consumption is increased anyway, and movement and installation are difficult. At this time, therefore, the present application solves this problem by providing the transmission member 7;

first, the rotating motor 75 drives the driving screw 72 to rotate, the driving screw 72 drives the sliding block 74 to move through the driving nut 73, the sliding block 74 moves in the sliding groove, so that the position of the sliding block 74 can be changed, the sliding block 74 can move up and down relative to the center of the rotating disc 5, and the main rotating shaft 4 is fixed with the sliding block 74, so that when the main rotating shaft 4 drives the rotating disc 5 to rotate through the sliding block 74, the sliding block 74 is located at different positions, and the rotating disc 5 can rotate and eccentrically move to different degrees. The rotating disk 5 is the most labor-saving and power-saving when doing autorotation, so the rotating disk 5 is used for grooving firstly, and after the grooving depth is limited, the rotating disk 5 is used for eccentric movement through the arrangement of the transmission part 7, so that the grooving depth is increased, and the grooving depth is increased under the conditions of a certain volume and certain power consumption to a certain extent.

In addition, the turbine fan arranged on the main rotating shaft 4 can make wind blow out outwards from the air outlet pipe, and as the slotting cutter 6 rotates around the main rotating shaft 4, the slotting cutter 6 performs centrifugal motion, and when slotting, the excavated soil can be thrown outwards, and then the air outlet pipe faces the direction of the slotting cutter 6 for throwing the soil outwards, so that the soil is more convenient to throw outwards.

In addition, since the rotating disc 5 performs the eccentric motion, only the plurality of slotting cutters 6 on the part of the mounting ring 53 far away from the main rotating shaft 4 perform the ditching and slotting, so that only the individual slotting cutters 6 perform the slotting, the first gear 91 is driven to rotate by the power motor 93, the first gear 91 drives the second gear 92 to rotate, and the second gear 92 drives the mounting ring 53 to rotate relative to the first cover plate 51 and the second cover plate 52 so as to enable the different slotting cutters 6 to perform the mutual switching, thereby realizing that each slotting cutter 6 can perform the slotting in a mutual switching mode.

When the rotating disc 5 rotates, the second guide plate 83 on the rotating disc 5 rotates together, the first guide plate 82 at the installation box 22 contacts with the second guide plate 83, the second guide plate 83 drives the first guide plate 82 to move together, so that the first guide plate 82 can drive the air outlet pipe to move, the position of the air outlet pipe can change relative to the installation box 22, the range of the air outlet direction of the air outlet pipe is wider, the air outlet pipe can be ensured to blow away soil thrown out by the grooving cutter 6 by utilizing centrifugal force, the soil is separated from the grooving cutter 6 better, the soil is thrown to a farther place, and the soil is prevented from falling into a groove just dug by the grooving cutter 6.

When the second guide plates 83 move along with the rotating disc 5, the second guide plates 83 move to the position where the third guide plates 86 are located, then the second guide plates 83 are matched with the third guide plates 86, precisely, the third guide plates 86 force the second guide plates 83 to receive the acting force of the rotating disc 5, then the second guide plates 83 are compressed, the second guide plates 83 are disengaged from the first guide plates 82, and then the first guide plates 82 are reset under the action of the flexible pipe sections 231, so that the first guide plates 82 can be driven to swing or move by the air outlet pipes when each second guide plate 83 rotates to the first guide plates 82, and the range of the air outlet directions of the air outlet pipes is increased.

In addition, when the second guide plate 83 is separated from the first guide plate 82, the second guide plate 83 moves close to the rotating disc 5, that is, the second guide plate 83 drives the first push block 842 to slide in the sliding channel, then the first push block 842 pushes the second push block 843 to move close to the trenching cutter 6 through hydraulic oil, so that the distance between the second push block 843 and the cutter body plate 62 is reduced, the connecting rope 85 is loosened, then the cutter body plate 62 rotates under the action of the torsion spring 64, the cutter body plate 62 rotates to form an included angle of 200-230 degrees with the cutter body plate 62 and the supporting plate 61, so that the cutter body plate 62 rotates, the air resistance received by the cutter body plate 62 in the rotating process of the rotating disc 5 can be reduced, resistance work is greatly reduced, power consumption is reduced, in addition, the cutter body plate 62 rotates relatively to the supporting plate 61, the soil adhered on the cutter body plate 62 is separated from the cutter body plate 62 through the movement generated by the cutter body plate 62, the cutter body plate 62 can be separated from the cutter body plate 62, the trenching surface is greatly influenced by the soil adhered to the cutter body plate 62, and the surface of the trenching surface is greatly improved, and the efficiency of the cutter body is greatly improved.

In some embodiments, two rotating discs 5 may be provided, and the butt joint plates 24 on the two rotating discs 5 are butted with each other, that is, the butt joint rods 25 are inserted into the butt joint grooves, so that the butt joint is realized, the two rotating discs 5 are fixed together, and the width of the digging groove can be expanded during the digging of the groove. After the butt joint rod 25 is inserted into the butt joint groove, the butt joint rod 25 is inserted into the clamping groove through a pin shaft, and a through groove matched with the clamping groove is formed in the butt joint rod 25, so that the two butt joint plates 24 are mutually fixed together.

In some embodiments, the third guide plate 86 is as shown in fig. 15 of the drawings, and by increasing the guide length of the third guide plate, the second guide plate has a longer time to be pressed down by the third guide plate, so that the cutter body plate can be kept at an included angle of 200-230 ° with the support plate for a longer time.

The foregoing description is only of the preferred embodiments of the present disclosure and description of the principles of the technology being employed. It will be appreciated by those skilled in the art that the scope of the application in the embodiments of the present disclosure is not limited to the specific combination of the above technical features, but encompasses other technical features formed by any combination of the above technical features or their equivalents without departing from the spirit of the application. Such as the above-described features, are mutually substituted with (but not limited to) the features having similar functions disclosed in the embodiments of the present disclosure.

Claims (9)

1. A municipal works ditcher that digs grooves, characterized in that includes:

the movable carrier (1), the driving arm (2) and the grooving assembly; the movable carrier (1) is used for bearing the driving arm (2); the driving arm (2) is used for installing a grooving assembly;

the trenching assembly includes: a driving member (3); a main rotating shaft (4) arranged at the output end of the driving piece (3); a rotary disk (5) fixed to the main rotary shaft (4); a plurality of slotting cutters (6) fixedly arranged on the rotary disk (5) and a transmission member (7) for forming transmission between the rotary disk (5) and the main rotary shaft (4);

the transmission piece (7) is used for enabling the rotary disc (5) to move relative to the axis of the main rotary shaft (4) so that the part of the rotary disc (5) at least partially positioned at the lower part of the axis of the main rotary shaft (4) is larger than the part of the rotary disc (5) positioned at the upper part of the axis of the main rotary shaft (4);

the trenching blade (6) comprises: a support plate (61), a cutter body plate (62), a rotary rod (63) and a torsion spring (64); a control assembly (8) is arranged between the grooving cutter (6) and the rotary disc (5); the control assembly (8) is used for forming an included angle of 130-160 degrees between the cutter body plate (62) and the supporting plate (61); the torsion spring (64) is used for driving the cutter body plate (62) to rotate relative to the supporting plate (61) away from the control assembly (8); the control assembly (8) is matched with the torsion spring (64) and can enable the cutter body plate (62) and the supporting plate (61) to form an included angle of 200-230 degrees;

when the grooving cutter (6) is positioned at the lower part of the axis of the main rotating shaft (4), the cutter body plate (62) and the supporting plate (61) form an included angle of 130-160 degrees; when the grooving cutter (6) is positioned at the upper part of the axis of the main rotating shaft (4), the cutter body plate (62) and the supporting plate (61) form an included angle of 200-230 degrees.

2. The municipal works groover according to claim 1, wherein:

a supporting frame (21) is arranged on the driving arm (2), and a mounting box (22) is fixedly arranged on the supporting frame (21); the main rotating shaft (4) is rotatably connected with the mounting box (22), and the main rotating shaft (4) penetrates through the mounting box (22); the driving piece (3) is arranged on the mounting box (22), a turbofan is arranged at the part of the main rotating shaft (4) on the mounting box (22), and the turbofan is fixedly connected with the main rotating shaft (4);

an air inlet and an air outlet are formed in the mounting box (22); an air outlet pipe (23) is arranged at the air outlet; the air outlet direction of the air outlet pipe (23) is parallel to the ground; two air outlet pipes (23) are arranged, and the two air outlet pipes (23) are oppositely arranged.

3. The municipal works groover according to claim 1, wherein:

the air outlet pipe (23) comprises: a flexible tube section (231) and a rigid tube section (232); the flexible pipe section (231) is fixedly communicated with an air outlet of the installation box (22); -said rigid tube segment (232) being in fixed communication with said flexible tube segment (231);

the control assembly (8) comprises a connection plate (81); the connecting plate (81) is fixedly arranged on the rigid pipe section (232); a first guide plate (82) is arranged at one end of the connecting plate (81); a second guide plate (83) is arranged at the first guide plate (82); a linkage piece (84) is arranged at the second guide plate (83); a connecting rope (85) is arranged on the linkage piece (84); one end of the connecting rope (85) is fixed with the cutter body plate (62), and the other end of the connecting rope is connected with the linkage piece (84);

a mounting cavity is formed in the rotary disc (5); the second guide plate (83) is in sliding connection with the rotating disc (5); the linkage (84) is disposed in the mounting chamber; the first guide plate (82) is at least partially abutted against the second guide plate (83); a third guide plate (86) is arranged on the mounting box (22); the third guide plate (86) is matched with the second guide plate (83).

4. The municipal works groover according to claim 3, wherein:

the transmission member (7) comprises: a mounting plate (71), a driving screw (72), a driving nut (73), a sliding block (74) and a rotating motor (75);

the mounting plate (71) is fixedly arranged in the mounting cavity; the driving screw rod (72) is rotationally connected with the mounting plate (71); the drive nut (73) is in threaded connection with the drive screw (72); the sliding block (74) is fixed with the driving nut (73);

wherein, the rotating motor (75), the driving screw (72) and the driving nut (73) are provided with two groups; a sliding groove is formed in the rotary disc (5); the sliding groove is in sliding connection with the sliding block (74);

the main rotating shaft (4) is fixedly connected with the sliding block (74).

5. The municipal works groover according to claim 4, wherein:

the rotating disc (5) comprises: a first cover plate (51), a second cover plate (52) and a mounting ring (53);

the first cover plate (51) and the second cover plate (52) are arranged oppositely; the mounting ring (53) is arranged between the first cover plate (51) and the second cover plate (52);

a first lug (54) is formed on the first cover plate (51); a second bump is formed on the second cover plate (52);

an inner wall at one end of the mounting ring (53) is in sliding fit with the first protruding block (54); the inner wall of the other end of the mounting ring (53) is in sliding fit with the second convex block;

the sliding chute is arranged on the first cover plate (51) and the second cover plate (52); the slotting cutter (6) is mounted on the mounting ring (53).

6. The municipal works groover according to any one of claims 1-5, wherein:

a power piece (9) is arranged in the mounting cavity; the power element (9) comprises: a first gear (91), a second gear (92), a power motor (93) and a motor bracket (94);

the motor bracket (94) is fixed with the inner wall of the mounting chamber; the power motor (93) is arranged on the motor bracket (94); the output end of the power motor (93) is connected with the first gear (91); the second gear (92) is fixedly mounted on the mounting ring (53); the first gear (91) and the second gear (92) are engaged to enable the mounting ring (53) to rotate relative to the first cover plate (51) and the second cover plate (52).

7. The municipal works groover according to claim 6, wherein:

the linkage (84) includes: a fixed housing (841), a first push block (842) and a second push block (843);

-a sliding channel is formed in the fixed housing (841); the first push block (842) and the second push block (843) are both in sliding connection with the sliding channel; the sliding channel is used for filling hydraulic oil; the cross-street area of the first pusher (842) is greater than the cross-street area of the second pusher (843); the first push block (842) is fixed with the second guide plate; the second push block (843) is fixed with the connecting rope (85).

8. The municipal works groover according to claim 7, wherein:

the third guide plate (86) is provided with a guide surface for matching with the second guide plate (83).

9. The municipal works groover according to claim 8, wherein:

an abutting plate (24) is arranged at the sliding block (74); two slide blocks (74) and two butt plates (24) are arranged, one slide block (74) and one butt plate (24) are positioned on one side of the rotary disk (5), and the other slide block (74) and the other butt plate (24) are positioned on the other side of the rotary disk (5);

the main rotating shaft (4) penetrates through the butt joint plate (24) and then is fixed with the sliding block (74);

wherein a plurality of butt joint grooves are formed on one butt joint plate (24); a plurality of butt joint rods (25) are formed on the other butt joint plate (24);

the number and the positions of the butt joint rods (25) are matched with the butt joint grooves;

a plurality of clamping grooves are formed in the butt joint plate (24) with the butt joint grooves; the length direction of the clamping groove is perpendicular to the length direction of the butt joint groove.