CN211172149U

CN211172149U - Environment-friendly reamer head

Info

Publication number: CN211172149U
Application number: CN201921553640.XU
Authority: CN
Inventors: 袁春波; 张振; 齐伟; 吴涛; 常素云; 王松庆; 杨洁; 郝志香; 王建波; 陆梅
Original assignee: TIANJIN HYDRAULIC RESEARCH INSTITUTE
Current assignee: TIANJIN HYDRAULIC RESEARCH INSTITUTE
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-08-04
Anticipated expiration: 2029-09-18

Abstract

The utility model relates to the technical field of dredging reamer, and discloses an environment-friendly reamer head, which comprises a reamer, wherein a protective cover shell is arranged outside the reamer, the lower edges of two sides of the protective cover shell and the stiffening ribs at the front end are respectively welded with a steel plate, and the joints of the steel plates are mutually welded; the environment-friendly reamer head is also provided with a horizontal adjusting device, and the horizontal adjusting device is used for adjusting the angle of the reamer; this protection housing that environmental protection reamer head set up has effectually prevented that partial clear water in the upper lake from getting into the mud cavity and dredged the soil and mix, and under the negative pressure effect, the inspiratory sediment increases, and the water yield reduces to form the mud that the moisture content is high, effectively improved mud solid content.

Description

Environment-friendly reamer head

Technical Field

The utility model relates to a desilting reamer technical field, concretely relates to environmental protection reamer head.

Background

In the river and lake governing engineering, environmental protection dredging becomes an important content. In recent years, a cutter suction dredger is widely adopted in domestic river and lake environment-friendly dredging. The cutter suction dredger mainly adopts a spiral reamer or an environment-friendly reamer, the spiral reamer is an open reamer, the stirring speed is high, but when the cutter suction dredger is used, a water body is disturbed in a large range, and sludge is easy to diffuse. The cutter suction dredger provided with the environment-friendly reamer head is high in yield, and the environment-friendly reamer is used for cleaning underwater polluted sediment in rivers, lakes and the like and is a novel reamer with minimum disturbance to the periphery.

The environment-friendly reamer is generally provided with a protective housing, but the protective housing outside the existing environment-friendly reamer head only can cover the environment-friendly reamer, so that the protection range is small; meanwhile, due to the fact that underwater polluted bottom mud of rivers, lakes and the like is uneven, the protective housing cannot be well attached to the mud surface, and therefore part of clear water in the upper-layer lake enters the mud cavity to be mixed with dredged soil, the water content of the dredged mud sucked out is high, tail water treatment needs to be carried out again, construction cost is increased, and the construction period is long.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an environmental protection reamer head, the protection housing that this environmental protection reamer head set up, the effectual clear water that has blockked in the partial upper lake gets into the mud cavity and dredges the soil mixture, under the negative pressure effect, inspiratory sediment increases, and the water yield reduces to form the mud that the moisture content is high, effectively improved mud solid content.

In order to achieve the above object, the present invention provides the following technical solutions:

the environment-friendly reamer head comprises a reamer, a protective housing is arranged outside the reamer, steel plates are welded to the lower edges of two sides of the protective housing and the stiffening ribs at the front end of the protective housing respectively, and the joints of the steel plates are welded to each other; the environment-friendly reamer head is further provided with a horizontal adjusting device, and the horizontal adjusting device is used for adjusting the angle of the reamer.

The utility model discloses in, it is preferred, the reamer includes transmission shaft, mount pad and a plurality of reamer piece, transmission shaft one end is connected with actuating mechanism, its other end with mount pad fixed connection, it is a plurality of the equidistant evenly distributed of reamer piece in on the mount pad, the reamer piece is kept away from the one end of mount pad is installed on an annular blade holder, annular blade holder wear to overlap in on the transmission shaft.

The utility model discloses in, it is preferred, actuating mechanism is hydraulic motor, and it is installed on a ring flange, and this ring flange is the platform form towards ground one side, the transmission shaft with the coaxial setting of ring flange.

The utility model discloses in, it is preferred, the protection housing is fixed in on the ring flange, the maintenance lid has been seted up on the protection housing.

In the utility model discloses in, preferably, steel sheet one side with the protective housing is connected, and the another side bows downwards, and it is 30-60 angles with the level, just the steel sheet bottom surface with the platform face coplane of ring flange.

The utility model discloses in, it is preferred, environmental protection reamer head still includes inhales mud mechanism, inhale mud mechanism including inhale the mud pipe and with the pump body that inhales the mud union coupling, inhale the mud pipe and run through the ring flange extends to the reamer piece is inboard, inhale the mud pipe opposite side and pass through the hose connection the pump body, the pump body is installed to on the dredge boat.

The utility model discloses in, it is preferred, horizontal adjusting device includes base, rotating turret and angle modulation hydro-cylinder, the base with ring flange fixed connection, it is kept away from ring flange one side is equipped with the pivot seat, the rotating turret through the pivot install in on the pivot seat, and with the pivot seat rotates to be connected, be equipped with flange on the rotating turret, the flange bottom with angle modulation hydro-cylinder fixed connection, the output of angle modulation hydro-cylinder with the ring flange rotates to be connected.

The utility model discloses in, it is preferred, fixture is located to the rotating turret, is used for the centre gripping the angle modulation hydro-cylinder.

In the utility model, preferably, the clamping mechanism comprises clamp arms symmetrically arranged on the inner side of the rotating frame, the clamp arms penetrate through the rotating frame, and one side of the clamp arms facing the angle adjusting oil cylinder is provided with a semi-arc claw, and the two semi-arc claws oppositely arranged clamp the angle adjusting oil cylinder together; and a turntable is arranged on the other side of the clamping arm and is fixed on the rotating frame through a screw.

In the utility model, preferably, the environment-friendly reamer head further comprises a cleaning mechanism, and the cleaning mechanism is used for cleaning the reamer and the protective housing; the cleaning mechanism comprises a plurality of spray heads arranged on the flange plate, the spray heads are arranged between the annular cutter holder and the protective cover shell, and the spray heads are externally connected with a water pump through a water pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a protection housing of environmental protection reamer head setting, at protection housing both sides lower limb and front end stiffening rib department respectively weld a steel sheet and increased protection housing in other words, the effectual clear water that has blockked in the partial upper lake gets into the mud cavity and dredges the soil mixture, under the negative pressure effect, inspiratory sediment increases, and the water yield reduces to form the mud that the moisture content is high, effectively improved mud solid content.

The horizontal adjusting device adjusts the angle between the reamer and the horizontal plane, the reamer is always in the horizontal state as far as possible, the bottom edge of the protective housing is flatly attached to a river bed during dredging, and the protective housing effectively covers the bottom edge of the reamer in the disturbance range and fully sucks the sludge through the mud pump.

Compared with the conventional open reamer, the environment-friendly reamer effectively prevents bottom mud particles from diffusing to the water body outside the reamer due to the disturbance of the reamer, and avoids secondary pollution caused by excavation in the construction process.

Drawings

Fig. 1 is a schematic structural diagram I of a reamer head of this embodiment 1.

Fig. 2 is a side view of fig. 1.

Fig. 3 is a top view of fig. 1.

Fig. 4 is a schematic structural diagram II of the reamer head of this embodiment 1.

Fig. 5 is a schematic structural view of the environment-friendly reamer head of the embodiment 1 in a state without a protective cover.

Fig. 6 is a schematic structural view of the reamer head of embodiment 2.

Fig. 7 is a schematic structural diagram I of the environment-friendly reamer head in the state without the protective cover in embodiment 2.

Fig. 8 is a schematic structural view II of the environment-friendly reamer head of the embodiment 2 in a state without a protective cover.

Fig. 9 is a control block diagram of the reamer head of embodiment 2.

In the drawings: 1-reamer, 11-transmission shaft, 12-mounting seat, 13-reamer blade, 14-driving mechanism, 15-annular cutter seat, 2-protective housing, 21-steel plate, 22-maintenance cover, 3-horizontal adjusting device, 31-base, 32-rotating frame, 33-angle adjusting oil cylinder, 34-rotating shaft seat, 35-connecting flange, 4-flange plate, 6-mud suction pipe, 7-clamping mechanism, 71-clamping arm, 72-semi-arc claw, 73-rotating disc, 8-nozzle and 81-water pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1: referring to fig. 1 to 5, the present embodiment provides an environmental protection reamer head, which is installed on a dredger and used for cleaning underwater polluted sediment in rivers, lakes, and the like. Specifically, the environment-friendly reamer head comprises a reamer 1, a protective housing 2 is arranged outside the reamer 1, steel plates 21 are welded to the lower edges of two sides of the protective housing 2 and the stiffening ribs at the front end of the protective housing, the joints of the steel plates 21 are welded with each other, the protection area of the protective housing 2 is increased by the increased steel plates 21, part of clear water in an upper lake is effectively prevented from entering a slurry cavity and mixing with dredged soil, the sucked bottom mud is increased under the action of negative pressure, the water amount is reduced, and therefore slurry with high water content is formed, and the solid content of the slurry is effectively improved. Furthermore, one side of the steel plate 5 is connected with the protective housing 2, the other side of the steel plate is bent downwards, an angle of 30-60 degrees is formed between the steel plate and the horizontal plane, and the bottom surface of the steel plate 5 is coplanar with the platform surface of the flange plate 4.

In this embodiment, the protective housing 2 is fixed to the flange plate 4, the maintenance cover 22 is disposed on the protective housing 2, the maintenance cover 22 is rotatably connected to the protective housing 2, and the maintenance cover 22 can be opened to maintain the reamer 1.

In this embodiment, the reamer 1 includes a transmission shaft 11, a mounting seat 12 and a plurality of reamer pieces 13, one end of the transmission shaft 11 is connected with a driving mechanism 14, the other end of the transmission shaft is fixedly connected with the mounting seat 12, the reamer pieces 13 are uniformly distributed on the mounting seat 12 at equal intervals, one end of the reamer piece 13, which is far away from the mounting seat 12, is mounted on an annular cutter holder 15, and the annular cutter holder 15 is sleeved on the transmission shaft 11 in a penetrating manner. The driving mechanism 14 drives the transmission shaft 11 to rotate so as to drive the mounting seat 12 to rotate, so that the reamer blade 13 rotates, and the sludge covered by the protective cover shell 2 is crushed.

In the present embodiment, the driving mechanism 14 is a hydraulic motor, and is mounted on a flange 4, the flange 4 is flat on the ground side, and the transmission shaft 11 is provided coaxially with the flange 4.

In this embodiment, the environment-friendly reamer head further comprises a mud suction mechanism, the mud suction mechanism comprises a mud suction pipe 6 and a pump body connected with the mud suction pipe 6, the mud suction pipe 6 penetrates through the flange plate 4 and extends to the inner side of the reamer blade 13, and the end part of the mud suction pipe 6, which is positioned at the inner side of the reamer blade 13, is a V-shaped sharp mouth; the other side of the mud suction pipe 6 is connected with the pump body through a hose, the pump body is a mud suction pump, the mud suction pump is installed on the dredger and produces suction, and the sludge smashed by the reamer blade 13 can be sucked and pumped out through the mud suction pipe 6 conveniently.

The environment-friendly reamer head is further provided with a horizontal adjusting device 3, and the horizontal adjusting device 3 is used for adjusting the angle of the reamer 1; the horizontal adjusting device 3 comprises a base 31, a rotating frame 32 and an angle adjusting oil cylinder 33, wherein the base 31 is fixedly connected with the flange plate 4, a rotating shaft seat 34 is arranged on one side of the base, which is far away from the flange plate 4, the rotating frame 32 is arranged on the rotating shaft seat 34 through a rotating shaft and is rotationally connected with the rotating shaft seat 34, a connecting flange 35 is arranged on the rotating frame 32, and the connecting flange 35 is used for connecting a mechanical arm connected with the reamer head on a dredger; the bottom of the connecting flange 35 is fixedly connected with the angle adjusting oil cylinder 33, and the output end of the angle adjusting oil cylinder 33 is rotatably connected with the flange plate 4.

Furthermore, a level sensor is cooperatively arranged on the environment-friendly reamer head, the level sensor is an electronic sensor, such as an inductive level sensor, when the base 31 is inclined, the voltage change of an induction coil caused by the movement of a pendulum inside the inductive level sensor, so that the difference between the angle of the base 31 and the angle of the horizontal plane is measured. The horizontal sensor transmits the detected information to a control system on the dredger, the control system controls the angle adjusting oil cylinder 33 to work, the output shaft of the angle adjusting oil cylinder 33 is extended or shortened, the angle between the base 31 and the horizontal plane is adjusted, the base 31 is parallel to the horizontal plane as much as possible, even if the reamer 1 is in a horizontal state, the bottom edge of the protective housing 2 is flatly attached to a riverbed during dredging, and the protective housing 2 effectively seals the silt in the disturbance range of the reamer 1 and fully sucks the silt through a dredge pump.

In the present embodiment, the rotating frame 32 is provided to the clamping mechanism 7, and clamps the angle adjusting cylinder 33. Further, the clamping mechanism 7 includes clamping arms 71 symmetrically disposed on the inner side of the rotating frame 32, the clamping arms 71 penetrate through the rotating frame 32, and a semi-arc claw 72 is disposed on one side of the clamping arms 71 facing the angle adjusting cylinder 33, and the two semi-arc claws 72 disposed opposite to each other clamp the angle adjusting cylinder 33 together; and a turntable 73 is arranged on the other side of the clamping arm 71, and the turntable 73 is fixed on the rotating frame 32 through a screw. When the angle adjusting oil cylinder 33 works, the two half-arc claws 72 which are arranged oppositely can move to prevent the angle adjusting oil cylinder 33 from sliding.

Example 2: referring to fig. 1 to 9, the present embodiment provides an environment-friendly reamer head, which is different from embodiment 1 only in that:

the environment-friendly reamer head further comprises a cleaning mechanism, and the cleaning mechanism is used for cleaning the reamer 1 and the protective housing 2; the spray head 8 is arranged between the annular tool apron 15 and the protective cover shell 2 and is externally connected with a water pump through a water pipe 81; the water pump extracts cleaning water and sprays from the spray head 8, and residual sludge on the reamer 1 and the protective housing 2 is cleaned without detaching the protective housing 2 to clean the reamer 1, so that the cleaning is more convenient and faster.

The working principle is as follows:

before use, the environment-friendly reamer head is arranged on a dredger, and the connecting flange 35 is connected with a mechanical arm on the dredger; the protective housing 2 covers the reamer 1 and is fixed to the flange plate 4 through bolts and nuts.

When dredging, a mechanical arm on a dredger enables the environment-friendly reamer head to pollute bottom sediment underwater in rivers, lakes and the like, the angle between the base 31 and the horizontal plane is detected through the horizontal sensor, the horizontal sensor transmits the detected information to the control system on the dredger, the control system controls the angle adjusting oil cylinder 33 to work, the output shaft of the angle adjusting oil cylinder 33 is extended or shortened, the rotating frame 32 rotates around the base 31, the reamer 1 is in a horizontal state, the bottom edge of the protective housing 2 is flatly attached to a river bed during dredging, and the protective housing 2 effectively seals the sludge in the disturbance range of the reamer 1;

the hydraulic motor works to drive the transmission shaft 11 to rotate so as to drive the mounting seat 12 to rotate, so that the reamer blade 13 rotates to break the sludge covered by the protective housing 2; the suction pump generates suction force, so that the sludge crushed by the reamer piece 13 can be sucked and pumped out through the suction pipe 6;

when cleaning is needed, the water pump works to pump upper-layer cleaning water of rivers, lakes and the like to be sprayed out from the spray head 8 through the water pipe 81, so that residual sludge on the reamer 1 and the protective housing 2 is cleaned, and the reamer 1 is not required to be cleaned by disassembling the protective housing 2;

compared with the conventional open reamer, the environment-friendly reamer effectively prevents bottom mud particles from diffusing to the water body outside the reamer due to disturbance of the reamer 1, and avoids secondary pollution caused by excavation in the construction process, in addition, the protective housing 2 of the steel plate 21 is added, so that the protective range is enlarged, the polluted mud particles diffusing out of the protective housing 2 still continue to precipitate under the pressing of the steel plate 21, and the influence of secondary pollution possibly caused to the water body in the construction process is further reduced.

The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.

Claims

1. The environment-friendly reamer head comprises a reamer (1), and a protective housing (2) is arranged outside the reamer (1), and is characterized in that a steel plate (21) is welded to the lower edges of two sides of the protective housing (2) and to a stiffening rib at the front end of the protective housing, and joints of the steel plates (21) are welded to each other;

the environment-friendly reamer head is further provided with a horizontal adjusting device (3), and the horizontal adjusting device (3) is used for adjusting the angle of the reamer (1).

2. The environment-friendly reamer head as claimed in claim 1, wherein the reamer (1) comprises a transmission shaft (11), a mounting seat (12) and a plurality of reamer pieces (13), one end of the transmission shaft (11) is connected with a driving mechanism (14), the other end of the transmission shaft is fixedly connected with the mounting seat (12), the reamer pieces (13) are uniformly distributed on the mounting seat (12) at equal intervals, one end of the reamer piece (13) far away from the mounting seat (12) is mounted on an annular cutter seat (15), and the annular cutter seat (15) is sleeved on the transmission shaft (11).

3. Environmentally friendly reamer head according to claim 2, wherein the drive means (14) is a hydraulic motor mounted on a flange (4), the ground-facing side of the flange (4) being platform-shaped, the drive shaft (11) being arranged coaxially with the flange (4).

4. An environment-friendly reamer head as claimed in claim 3, wherein the protective casing (2) is fixed to the flange (4), the protective casing (2) being provided with a service cover (22).

5. An environment-friendly reamer head according to claim 3, wherein one side of the steel plate (21) is connected with the protective casing (2), the other side of the steel plate is bent downwards and forms an angle of 30-60 degrees with the horizontal plane, and the bottom surface of the steel plate (21) is coplanar with the platform surface of the flange plate (4).

6. The environment-friendly reamer head as claimed in claim 3, further comprising a mud suction mechanism, wherein the mud suction mechanism comprises a mud suction pipe (6) and a pump body connected with the mud suction pipe (6), the mud suction pipe (6) penetrates through the flange (4) and extends to the inner side of the reamer blade (13), the other side of the mud suction pipe (6) is connected with the pump body through a hose, and the pump body is mounted on a dredger.

7. The environment-friendly reamer head as claimed in claim 3, wherein the horizontal adjusting device (3) comprises a base (31), a rotating frame (32) and an angle adjusting oil cylinder (33), the base (31) is fixedly connected with the flange plate (4), a rotating shaft seat (34) is arranged on one side, away from the flange plate (4), of the rotating frame (32), the rotating frame (32) is installed on the rotating shaft seat (34) through a rotating shaft and is rotatably connected with the rotating shaft seat (34), a connecting flange (35) is arranged on the rotating frame (32), the bottom of the connecting flange (35) is fixedly connected with the angle adjusting oil cylinder (33), and the output end of the angle adjusting oil cylinder (33) is rotatably connected with the flange plate (4).

8. An environment-friendly reamer head according to claim 7, wherein the turret (32) is provided with a clamping mechanism (7) for clamping the angle adjusting cylinder (33).

9. The environment-friendly reamer head as claimed in claim 8, wherein the clamping mechanism (7) comprises clamping arms (71) symmetrically arranged on the inner side of the rotating frame (32), the clamping arms (71) penetrate through the rotating frame (32), a semi-arc claw (72) is arranged on one side of each clamping arm (71) facing the angle adjusting cylinder (33), and the two semi-arc claws (72) arranged oppositely clamp the angle adjusting cylinder (33) together; and a turntable (73) is arranged on the other side of the clamping arm (71), and the turntable (73) is fixed on the rotating frame (32) through a screw.

10. An environment friendly reamer head according to claim 3, further comprising cleaning means for cleaning the reamer (1) and the protective casing (2); the cleaning mechanism comprises a plurality of spray heads (8) arranged on the flange plate (4), wherein the spray heads (8) are arranged between the annular cutter holder (15) and the protective housing (2) and are externally connected with a water pump through a water pipe (81).