CN215053367U

CN215053367U - Reamer for cleaning river sludge

Info

Publication number: CN215053367U
Application number: CN202120902979.7U
Authority: CN
Inventors: 刘吉国; 张伟; 杨星; 白悦; 胡文学
Original assignee: Tianjin Tanggu Xinhai Ship Engineering Co ltd
Current assignee: Tianjin Tanggu Xinhai Ship Engineering Co ltd
Priority date: 2021-04-28
Filing date: 2021-04-28
Publication date: 2021-12-07
Anticipated expiration: 2031-04-28

Abstract

The utility model relates to the technical field of river dredging equipment, and discloses a reamer for clearing river silt, which comprises a shaft sleeve, a cutter arm and a cutter ring, wherein the cutter arm is welded between the shaft sleeve and the cutter ring, the cutter arm is of a spatial spiral structure, a plurality of first cutter tooth assemblies are installed on the outer edge of the cutter arm, a containing space for containing a motor output shaft is arranged in the shaft sleeve, a clamping assembly for clamping the motor output shaft is arranged in the containing space, the clamping assembly comprises a plurality of clamping blocks which are annularly distributed on the inner wall of the shaft sleeve, a containing groove for containing the clamping blocks is formed on the inner wall of the shaft sleeve, a compression spring is connected between the clamping blocks and the containing groove, a clamping part is formed on the clamping block, the clamping part is exposed out of the containing groove, and a guide surface and a clamping surface which can be butted with the motor output shaft are formed on the clamping part, when the motor output shaft stretches into the accommodating space, the motor output shaft can be clamped in the space formed by the enclosing of the clamping surfaces. The reamer that this scheme provided has the advantage of being convenient for install and dismantle.

Description

Reamer for cleaning river sludge

Technical Field

The utility model relates to a river course mediation equipment technical field especially relates to a reamer is used in clearance of river course silt.

Background

The river course main function is drainage waterlogging and navigation, and silt and grit siltation are too much on the riverbed, can raise the riverbed, influence drainage waterlogging and navigation's ability, consequently, all can clear away the operation to the riverbed at interval.

In the prior art, river silt is cleaned mainly through a dredger, the dredger drives a special reamer to rotate by utilizing a motor arranged in the dredger, soil at the bottom of a river or the bottom of the sea is loosened by reaming, the soil and cement are mixed into slurry, the slurry is sucked into a pump body through a mud suction pipe and is conveyed to a mud discharge area through a mud discharge pipe.

After the dredger clears up river course silt, all need dismantle the reamer from the output shaft of motor, after the silt on the reamer is washd, operating personnel rethread specialized tool installs the reamer on the output shaft of motor, and overall operation is comparatively troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model provides a reamer is used in river course silt clearance, it has the advantage of being convenient for installation and dismantlement.

In order to achieve the above purpose, the basic scheme of the utility model is as follows: a reamer for cleaning sludge in a river channel comprises a shaft sleeve, a cutter arm and a cutter ring, wherein the cutter arm is welded between the shaft sleeve and the cutter ring, the cutter arm is of a spatial spiral structure, a plurality of first cutter tooth components are arranged on the outer edge of the cutter arm, an accommodating space for accommodating the output shaft of the motor is arranged in the shaft sleeve, a clamping component for clamping the output shaft of the motor is arranged in the accommodating space, the clamping assembly comprises a plurality of clamping blocks which are annularly distributed on the inner wall of the shaft sleeve, an accommodating groove for accommodating the clamping blocks is formed on the inner wall of the shaft sleeve, a compression spring is connected between the clamping block and the accommodating groove, a clamping part is formed on the clamping block, the clamping part is exposed out of the accommodating groove, a guide surface and a clamping surface which can be abutted against the output shaft of the motor are formed on the clamping part, when the motor output shaft stretches into the accommodating space, the motor output shaft can be clamped in the space formed by the enclosing of the clamping surfaces.

Furthermore, the clamping surface is arc-shaped, and sawtooth-shaped anti-skid lines are formed on the clamping surface.

Further, first broach subassembly includes blade holder and first tool bit, blade holder and first tool bit integrated into one piece are on the outer fringe of tool arm, the cutting edge of first tool bit includes main cutting edge portion and side cutting edge portion, be formed with connecting portion between main cutting edge portion and the side cutting edge portion, main cutting edge portion is on a parallel with the outer fringe line of tool arm, side cutting edge portion is on a parallel with the inner fringe line of tool arm.

Furthermore, a plurality of second cutter tooth components are installed to the outer fringe of cutter ring, second cutter tooth component includes handle of a knife and second tool bit, and the whole cone that is of second tool bit.

Furthermore, a plurality of cutting edges are arranged on the second cutter head along the circumferential direction of the second cutter head, each cutting edge is provided with at least one taper angle, and the taper angle of each taper angle is 10 degrees to 25 degrees.

Further, the outer edge line of the knife arm is an Archimedes spiral.

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

1. the motor output shaft can be quickly and stably installed through the clamping blocks in the shaft sleeve; simultaneously, the space size that the block surface of each fixture block enclosed and closes formation can be adjusted according to different motor output shaft sizes to the reamer of this scheme of realization can adapt the motor of different specifications, improves the application scope of reamer.

2. Under the drive of motor, whole reamer rotates, and the second sword tooth subassembly of the outer fringe of a plurality of first sword tooth subassemblies of installation and cutter ring on the outer fringe of tool arm rotates along with it in step, can be fast effectual under the effect of multiunit sword tooth again and ream loose clearance to river course silt, effectively improve the clearance effect to river course silt.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic sectional view of the shaft sleeve according to the present invention;

fig. 3 is a schematic top view of the shaft sleeve according to the present invention.

Reference numerals in the drawings of the specification include: the tool comprises a shaft sleeve 1, an accommodating groove 11, a tool arm 2, a tool apron 3, a first tool bit 31, a tool ring 4, a tool shank 5, a second tool bit 51, a fixture block 6 and a compression spring 61.

Detailed Description

The invention will be described in further detail by means of specific embodiments with reference to the accompanying drawings:

example (b):

the utility model provides a river silt clearance is with reamer, as shown in figure 1, including axle sleeve 1, tool arm 2 and cutter ring 4, tool arm 2 welds between axle sleeve 1 and cutter ring 4, tool arm 2 is spatial helical structure, the outer fringe line of tool arm 2 is Archimedes spiral, install a plurality of first broach subassembly on the outer fringe of tool arm 2, first broach subassembly includes blade holder 3 and first tool bit 31, blade holder 3 and first tool bit 31 integrated into one piece are on the outer fringe of tool arm 2, the cutting edge of first tool bit 31 includes main cutting part and side cutting part, be formed with connecting portion between main cutting part and the side cutting part, main cutting part is on a parallel with the outer fringe line of tool arm 2, the side cutting part is on a parallel with the inner fringe line of tool arm 2. A plurality of second cutter tooth components are installed to the outer fringe of cutter ring 4, and the second cutter tooth component includes handle of a knife 5 and second tool bit 51, and second tool bit 51 is whole to be conical, is equipped with a plurality of cutting edges along its circumference on the second tool bit 51, and is equipped with a cone angle on every cutting edge at least, and the tapering of cone angle is 10 to 25.

As shown in fig. 2 and 3, an accommodating space for accommodating a motor output shaft is provided in the shaft sleeve 1, a clamping assembly for clamping the motor output shaft is provided in the accommodating space, the clamping assembly includes a plurality of clamping blocks 6 annularly distributed on an inner wall of the shaft sleeve 1, an accommodating groove 11 for accommodating the clamping blocks 6 is formed on the inner wall of the shaft sleeve 1, a compression spring 61 is connected between the clamping block 6 and the accommodating groove 11, a clamping portion is formed on the clamping block 6, the clamping portion is exposed out of the accommodating groove 11, a guide surface and a clamping surface which can be abutted against the motor output shaft are formed on the clamping portion, the clamping surface is arc-shaped, and a serrated anti-slip pattern is formed on the clamping surface; when the motor output shaft stretches into the accommodating space, the motor output shaft can be clamped in the space formed by the enclosing of the clamping surfaces.

The specific implementation mode of the scheme is as follows:

in the initial state, the compression spring 61 is in a natural state, and the clamping part of the fixture block 6 in the shaft sleeve 1 is exposed out of the accommodating groove 11 under the supporting action of the compression spring 61; during the installation, pass cutter ring 4 with the motor output shaft and stretch into the accommodation space in the axle sleeve 1, at this in-process, when the output shaft of motor and the spigot surface of the block portion of fixture block 6 offset, the motor output shaft continues to remove along the axis of axle sleeve 1, and compress compression spring 61 through the contact with the spigot surface, until the motor output shaft with the spigot surface come off the contact and block in the space that the block surface enclosure of each fixture block 6 formed, the anti-skidding line that forms on the spigot surface contacts with the surface of motor output shaft, thereby fix the motor output shaft in axle sleeve 1, thereby accomplish the installation of reamer on the motor output shaft fast.

When the reamer is used, the motor is utilized to drive the reamer to rotate, the first cutter tooth component on the cutter arm 2 and the second cutter tooth component on the cutter ring 4 quickly loosen soil at the bottom of a river to form slurry mixed with cement, and the slurry is sucked into a pump body through the mud suction pipe and is conveyed to a mud discharge area through the mud discharge pipe.

After the reamer is used, the reamer can be easily detached from the output shaft of the motor.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a reamer is used in clearance of river course silt which characterized in that: the tool comprises a shaft sleeve (1), a tool arm (2) and a tool ring (4), wherein the tool arm (2) is welded between the shaft sleeve (1) and the tool ring (4), the tool arm (2) is of a spatial spiral structure, a plurality of first cutter tooth assemblies are installed on the outer edge of the tool arm (2), an accommodating space for accommodating a motor output shaft is arranged in the shaft sleeve (1), a clamping assembly for clamping the motor output shaft is arranged in the accommodating space, the clamping assembly comprises a plurality of clamping blocks (6) which are annularly distributed on the inner wall of the shaft sleeve (1), an accommodating groove (11) for accommodating the clamping blocks (6) is formed in the inner wall of the shaft sleeve (1), a compression spring (61) is connected between the clamping blocks (6) and the accommodating groove (11), a clamping part is formed in the clamping block (6), the clamping part is exposed out of the accommodating groove (11), and a guide surface and a clamping surface which can be abutted against the motor output shaft are formed in the clamping part, when the motor output shaft stretches into the accommodating space, the motor output shaft can be clamped in the space formed by the enclosing of the clamping surfaces.

2. The reamer for cleaning riverway sludge according to claim 1, wherein: the clamping surface is arc-shaped, and sawtooth-shaped anti-skid lines are formed on the clamping surface.

3. The reamer for cleaning riverway sludge according to claim 1, wherein: first broach subassembly includes blade holder (3) and first tool bit (31), blade holder (3) and first tool bit (31) integrated into one piece are on the outer fringe of arm (2) with tool bit (31), the cutting edge of first tool bit (31) includes main cutting part and side cutting part, be formed with connecting portion between main cutting part and the side cutting part, main cutting part is on a parallel with the outer fringe line of arm (2), side cutting part is on a parallel with the inner fringe line of arm (2).

4. The reamer for cleaning riverway sludge according to claim 1, wherein: a plurality of second cutter tooth components are installed at the outer edge of the cutter ring (4), each second cutter tooth component comprises a cutter handle (5) and a second cutter head (51), and the second cutter heads (51) are integrally conical.

5. The reamer for cleaning riverway sludge according to claim 1, wherein: the second cutter head (51) is provided with a plurality of cutting edges along the circumferential direction, each cutting edge is provided with at least one taper angle, and the taper angle of each taper angle is 10-25 degrees.

6. The reamer for cleaning riverway sludge according to claim 1, wherein: the outer edge line of the knife arm (2) is an Archimedes spiral.