CN105515279A - Device for cleaning inner wall of elliptical pipeline - Google Patents

Abstract

The invention relates to a device for cleaning the inner wall of an elliptical pipeline. The device comprises a motor, a center rotary shaft, rotary wheels, guide wheels and a cleaning component; the cleaning component includes inserting rods which are installed on the rotary wheels in a matched manner, intermediate connection components which are fixedly and integrally installed onto the inserting rods, and cleaning heads installed on the intermediate connection components, wherein the cleaning heads are provided with hard hair brushes. The motor drives the center rotary shaft to rotate; the center rotary shaft transfers power to the rotary wheels; the rotary wheels rotate so as to drive the cleaning component installed thereon to rotate; and the movement trajectories of the cleaning heads of the cleaning component are ellipses similar to the inner wall of a cleaned elliptical pipeline; and when rotating, the hard hair brushes on the cleaning heads clean contamination on the inner wall of the pipeline.

Description

A device for cleaning the inner wall of an oval pipe

technical field

The invention relates to the technical field of pipeline cleaning equipment, in particular to a device for cleaning the inner wall of an oval pipeline.

Background technique

Oval pipes are often used in many occasions. For the cleaning of elliptical pipes, the current common method is to manually climb into the pipe for cleaning or to clean the inner wall of the pipe by blowing with a fan. The existing cleaning methods have the following disadvantages: manual cleaning is labor-intensive, it is difficult to fully clean the inner wall of the pipeline, and there are dead spots for cleaning; The efficiency is low; for the blower blowing cleaning method, there is also insufficient cleaning force, and a lot of dirt adhering to the inner wall of the pipeline is difficult to be cleaned, and the cleaning effect is not good.

Contents of the invention

In order to solve the deficiencies of the prior art, the present invention provides a cleaning device for the inner wall of an elliptical pipeline, which is used for comprehensive and efficient cleaning of the elliptical pipeline. There is a problem of dead angle, and at the same time, the problem of human body injury caused by dirt during the cleaning process is solved.

The technical solution adopted by the present invention to solve the technical problem is: the device for cleaning the inner wall of an elliptical pipeline, which is characterized in that it includes a motor, a central rotating shaft, a runner, a guide wheel and a cleaning component;

The central rotating shaft is connected to the output end of the motor, and the two ends of the central rotating shaft are connected to the end casing through bearings. An elliptical guide wheel is respectively set inside the bearings at the left and right ends of the central rotating shaft, and the inner side of the guiding wheel is along the There is an oval guide chute around the edge;

A runner is set between the two guide wheels of the central shaft, and the runners from left to right are a left runner, a number of middle runners and a right runner. The outer end of the wheel cooperates with the guide wheel at the right end, and several axial through grooves are provided on the left runner, the middle runner and the right runner along the circumference of the runner edge;

The cleaning part includes an insertion rod, an intermediate connector and a cleaning head. The insertion rod passes through the through grooves on the runner in turn. The part can slide along the guide chute of the guide wheel. The end of the sliding part is hemispherical. The top of the piece is connected with the cleaning head in detachable fixed connection. The top of the cleaning head is provided with a hard cleaning brush. The cleaning heads on the intermediate connectors are closely connected, and the hard cleaning brush is close to the inner wall of the oval pipe.

Further, the corresponding through grooves on the right sides of the left rotating wheel and the intermediate rotating wheel are uniformly provided with slots for intermediate connectors.

Further, the corresponding through grooves on the left sides of the middle runner and the right runner are evenly provided with slots for intermediate connectors.

Further, the left runner, the middle runner and the right runner are fixedly connected to the central shaft through splines or flat keys, and the right side of the left runner is connected to the left side of the middle runner, and the middle runner There are gaps between the right side and the left side of the adjacent middle runner, the right side of the middle runner and the left side of the right runner.

Further, the upper surface of the insertion rod is provided with a threaded hole, and the bottom of the intermediate connector is provided with an external thread matched with the threaded hole.

Further, the top of the intermediate connecting piece is provided with an external thread, and the cleaning head is provided with a threaded hole that matches the external thread on the intermediate connecting piece.

Further, the trajectory of the guide chute on the guide wheel is similar to the elliptical trajectory of the cross-section of the elliptical pipe.

Further, an elastic pad is fixed in the through groove.

Further, the outer side of the bearing is provided with a bearing end cover.

Further, the hard cleaning brush of the cleaning head is a hard plastic brush or a stainless steel brush.

The beneficial effects of the present invention are:

The motor drives the central shaft to rotate, and the central shaft drives the runner to rotate synchronously. The cleaning parts installed on the runner move radially in the axial through groove set on the runner under the action of centrifugal force. At the same time, the cleaning part moves with the runner. Rotate together, the plunger slides along the elliptical chute of the guide wheel, so that the movement track of the cleaning head is an ellipse similar to the ellipse of the cross-section of the elliptical pipe, that is, the hard brushes on the cleaning head at different positions correspond to Attached to the inner wall of the oval duct. The motor drives the cleaning parts to automatically clean the oval pipe, which has high cleaning efficiency and avoids the high-intensity labor of manual cleaning; because the cleaning heads are closely connected, the central shaft rotates continuously to realize the comprehensive cleaning of the inner wall of the oval pipe by the cleaning head Cleaning effectively solves the problem of cleaning dead corners; the hard brush directly contacts the inner wall of the oval pipe to forcefully remove the dirt on the inner wall of the oval pipe, ensuring the cleaning effect; no need to manually enter the pipe for cleaning, avoiding the need for cleaning The harm of the dirt to the human body.

Description of drawings

Fig. 1 is a structural schematic diagram of the present invention;

Fig. 2 is a structural schematic diagram when the present invention is placed in an oval pipeline and used;

Fig. 3 is a schematic diagram of the motion trajectory of the cleaning parts;

Fig. 4 is a schematic diagram of the movement trajectory of the cleaning part when it is placed in an elliptical pipeline for use;

Fig. 5 is the schematic diagram of the three-dimensional structure of the intermediate runner;

Fig. 6 is a schematic diagram of the radial full-section structure of the left runner in the second embodiment;

Fig. 7 is a schematic diagram of the radial full-section structure of the intermediate runner;

Fig. 8 is a schematic diagram of the radial full-section structure of the right runner in the second embodiment;

Fig. 9 is a three-dimensional structural schematic diagram of a guide wheel;

Fig. 10 is the front view of Fig. 9;

Fig. 11 is a three-dimensional structural schematic diagram of the central rotating shaft;

Fig. 12 is a schematic diagram of the three-dimensional structure of the end casing;

Fig. 13 is a three-dimensional structural schematic diagram of the insertion rod and the intermediate connector;

Fig. 14 is a three-dimensional schematic diagram of the cleaning head;

In the picture:

1 motor, 2 center shaft, 3 left wheel, 31 protrusion, 4 middle wheel, 5 right wheel, 6 guide wheel, 61 guide chute, 62 threaded hole, 7 bearing, 8 end casing, 9 way Groove, 10 card slots, 11 insertion rods, 111 sliding parts, 12 intermediate connectors, 13 cleaning heads, 14 hard brushes, 15 protective covers, 16 oval pipes.

detailed description

As shown in Figures 1 to 14,

In view of the existing defects, the subject of protection of this patent is as follows: the invention includes a motor 1, a central shaft 2, a runner, a guide wheel 6, and cleaning components.

Embodiment 1: The central rotating shaft 2 is connected to the output end of the motor 1, and the central rotating shaft 2 is a power transmission part, which transmits the power of the motor 1 to the cleaning part. The two ends of the central rotating shaft 2 are connected with the end casing 8 through the bearing 7 to realize the fixing of the central rotating shaft 2 and the end casing 8, and a bearing end cover is arranged on the outside of the bearing. An elliptical guide wheel 6 is respectively sleeved inside the bearings at the left and right ends of the central shaft 2. The guide wheel is in the shape of a round cake. The center of the guide wheel is provided with a central hole that matches the central shaft. Hole 62, the guide wheel and the end casing are fixed by screws. The inner side of the guide wheel is provided with an elliptic guide chute 61 along the periphery of the guide wheel, and the two guide wheels are provided with opposite sides of the guide chute, both facing the middle of the central shaft. The track of the guide chute on the described guide wheel is similar to the ellipse track of the cross-section of the elliptical pipeline, that is, the elliptical guide chute is reduced in proportion to the elliptical pipeline, and the arrangement direction of the guide chute corresponds to the elliptical pipeline 16, The major axis corresponds to the major axis, and the minor axis corresponds to the minor axis, so as to ensure that the cleaning track of the cleaning head 13 corresponds to the inner wall of the pipeline.

A runner is set between the two guide wheels of the central rotating shaft. The rotating wheel is also in the shape of a round cake. A central hole matching the central rotating shaft is provided in the center of the rotating wheel. The rotating wheel is installed at the center hole of the rotating wheel and on the corresponding central rotating shaft. A keyway is provided at the position, and the runner is fixedly connected with the central rotating shaft through a spline or a flat key. When the central shaft rotates, the power is transmitted to the runners, which drives the runners to rotate synchronously.

From left to right, the runners are left runner 3, several middle runners 4 and right runner 5, wherein the left runner is fixedly arranged at the left end of the central shaft, inside the guide wheel at the left end, and the outer end of the left runner Cooperate with the guide wheel at the left end, the outer end of the left rotating wheel is provided with a protrusion 31 part that cooperates with the center hole of the guide wheel at the left end, and the raised part stretches into the center hole of the guide wheel at the left end, and the There is a gap, and the left runner does not interfere with the guide wheel at the left end when it rotates synchronously with the central rotating shaft. The guide wheel, the runner and the central shaft are all coaxial to ensure the transmission accuracy.

The right runner outer end cooperates with the guide wheel at the right end, and its mode of cooperation is the same as the left runner and the guide wheel at the left end, so repeat it again.

The middle runner is also round cake shape, and its center also has the hole that cooperates with the central rotating shaft, and the middle runner is connected with the central rotating shaft by spline or flat key equally. The intermediate runners are evenly installed on the central rotating shaft along the axis of the central rotating shaft, and there is a certain distance between adjacent intermediate runners to ensure that the cleaning parts are installed accurately and at the same time reserve a space for the adjacent cleaning heads 13 to be closely installed to ensure the same The row cleaning heads are close to each other, and when the oval pipeline 16 is cleaned, no dead angle can be left for cleaning.

On the left runner, the middle runner and the right runner, there are several axial through grooves 9 along the circumferential direction of the runner edge. The through grooves 9 are installed in cooperation with the cleaning components. The cross-sectional shape of the through grooves is rectangular.

The cleaning part includes an insertion rod 11, an intermediate connector 12 and a cleaning head 13, wherein the insertion rod passes through the through groove 9 on the running wheel in turn, and the two ends of the insertion rod are matched with the guide chute on the guide wheel. Sliding part 111, the sliding part can slide along the guide chute 61 of the guide wheel for a week, and the end of the sliding part 111 is hemispherical to prevent dirt in the guiding chute from blocking the movement of the sliding part, ensuring that the two ends of the same insertion rod The sliding part is not affected by the dirt in the guide chute and slides synchronously around the guide chute, which ensures the strength of the insertion rod 11 and prevents the insertion rod from being twisted or deformed due to different sliding at both ends. On the top surface of the plunger rod, some intermediate connectors are evenly fixed, and the top of the intermediate connectors cooperates with the detachable and fixed connection of the cleaning head. The top of the cleaning head is provided with a hard brush 14, and the cleaning heads on each intermediate connector are closely connected. suffer.

Wherein the cross-sectional shape of the inserting rod 11 is also rectangular, and the inserting rod can move radially in the said through groove 9. When the central rotating shaft rotates under the drive of the motor, the runner rotates synchronously with the central rotating shaft, and is connected with the set passage on the runner. The slotted plunger moves outwards along the radial direction of the runner under the action of centrifugal force. At this time, the hard brush 14 is against the inner wall of the elliptical pipe 16; at the same time, the cleaning parts rotate simultaneously with the runner, and the cleaning head The motion trajectory is also elliptical due to the influence of the inner wall of the elliptical pipe. When the cleaning head moves from the short axis of the oval pipe corresponding to the inner wall of the pipe to the long axis corresponding to the inner wall of the pipe, the insertion rod moves radially outward along the runner in the channel, and at the same time the hard brush of the cleaning head is against the pipe. On the inner wall; when the cleaning head moves from the long axis corresponding to the inner wall of the pipe to the short axis corresponding to the inner wall of the pipe, the insertion rod moves radially inward along the rotating shaft in the through groove, and the hard brush of the cleaning head On the inner wall of the pipeline, during the movement, the end sliding portion 111 of the insertion rod moves correspondingly along the guide chute of the guide wheel, and its movement track is limited by the guide chute.

The radial dimension of the through groove on the runner is limited to, when the insertion rod is close to the side of the through groove and close to the center of the runner, the brush of the cleaning head can abut against the inner wall position corresponding to the short axis of the oval pipe; When the insertion rod is close to the side of the through groove away from the center of the runner, the brush of the cleaning head can abut against the inner wall position corresponding to the long axis of the oval pipe, and the radial length of the through groove can meet the requirements of the cleaning head during the cleaning process. The brush can lean against the inner wall of the pipeline to effectively clean the pipeline.

Embodiment 2: Further, on the right sides of the left runner and the middle runner, there are uniformly provided with a plurality of slots 10 for fixing the intermediate connector corresponding to the positions of the slots, that is, each slot position corresponds to There is a radial card slot corresponding to the intermediate connector of the cleaning part, the intermediate connector and the card slot are clearance fit, that is, when the insertion rod moves in the through groove, the intermediate connector moves in the card slot , The intermediate connecting piece is limited by the card slot, so there will be no shaking during the cleaning process, ensuring the strength of the cleaning parts. The draw-in slots are evenly and symmetrically distributed, and the number of draw-in slots and through slots is preferably an even number to ensure uniform force and stable operation of the cleaning parts for moving and cleaning.

Embodiment 3: Further, on the left sides of the middle runner and the right runner, corresponding to the positions of the through grooves, there are evenly provided a number of slots for fixing the intermediate connectors, and the slots are evenly and symmetrically distributed . Its installation and design method is the same as that of Embodiment 2, and its technical effect is also the same, so it will not be repeated here.

Further, the right side of the left runner and the left side of the middle runner, the right side of the middle runner and the left side of the adjacent middle runner, the right side of the middle runner and the left side of the right runner There is a gap between the sides to prevent the interference of the rotors during the cleaning process.

The upper surface of the insertion rod is provided with a threaded hole, and the bottom of the intermediate connector is provided with an external thread matched with the threaded hole. During installation, the inserting rods are first inserted into the through grooves of the runners, and then the intermediate connecting piece is installed and fixed on the inserting rods, which is convenient for installation.

The top of the intermediate connecting piece is provided with an external thread, and the cleaning head is provided with a threaded hole matching the external thread on the intermediate connecting piece. Of course, other methods that are convenient for disassembly and installation can also be used to realize the fixed connection between the cleaning head and the intermediate connecting piece. After installing the plunger and the intermediate connectors, install the cleaning head on each intermediate connector, and replace the cleaning head regularly according to the actual needs in the cleaning process to ensure the cleaning effect.

Further, when the insertion rod does not stop moving in the through groove, the insertion rod will collide with the through groove. In order to ensure the service life of the insertion rod, the ring-shaped elastic pad is fixed in the through groove, or the corresponding passage of the insertion rod The groove position is provided with an annular elastic pad.

The hard cleaning brush of the cleaning head is a hard plastic brush or a stainless steel brush to ensure the strength of cleaning. The hard plastic brush or stainless steel brush can thoroughly clean up the dirt adhered to the inner wall of the pipeline. Guaranteed cleaning effect.

The whole cleaning device is provided with a protective cover 15 to protect the cleaning device and simultaneously support the cleaning device to be put into the pipeline.

Its basic working principle is that the motor drives the central shaft to rotate, and the central shaft transmits the power to the runner, and the rotation drives the cleaning parts installed on it to rotate. The movement track of the cleaning head of the cleaning parts is similar to the inner wall of the oval pipe to be cleaned. oval. The hard brush on the cleaning head cleans the dirt on the inner wall of the pipe while rotating.

Based on the above description, the present invention realizes the automatic cleaning of oval pipes driven by the motor, which has high cleaning efficiency and avoids the high-intensity labor of manual cleaning. Since the cleaning heads are close to each other, the non-stop rotation of the central rotating shaft realizes the comprehensive cleaning of the inner wall of the oval pipe by the cleaning heads, effectively solving the problem of cleaning dead ends. The hard brush is in direct contact with the inner wall of the oval pipe, and the dirt on the inner wall of the oval pipe is powerfully cleaned to ensure the cleaning effect. There is no need to manually enter the pipeline for cleaning, which avoids the harm of the cleaned dirt to the human body.

The above-mentioned embodiments are only descriptions of preferred implementations of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, those skilled in the art may make various modifications and improvements to the present invention. All should expand in the scope of protection as defined in the claims of the present invention.

Claims (10)

1. clear up a device for oval ducts inwall, it is characterized in that: comprise motor, central rotating shaft, runner, directive wheel and cleaning member;

Described central rotating shaft is connected with motor output end, the two ends of central rotating shaft are connected with end casing by bearing, inside the left and right bearings at both ends of central rotating shaft, be respectively equipped with an oval directive wheel, inside directive wheel, within one week, be provided with the guide chute of an ellipse along directive wheel edge;

Runner is arranged with between central rotating shaft two directive wheel, runner is from left to right followed successively by left wheel, some middle runners and right wheel, wherein left wheel outer end coordinates with the directive wheel of left end, right wheel outer end coordinates with the directive wheel of right-hand member, and left wheel, middle runner and right wheel are equipped with some axial grooves along runner edge circumference;

Described cleaning member comprises inserted link, intermediate connector and cleaning head, described inserted link is successively through the groove on runner, the two ends of inserted link are the sliding part coordinated with guide chute on directive wheel, sliding part can slide along the guide chute of directive wheel for one week, the end of sliding part is hemispherical, inserted link moves radially in described groove, the end face of inserted link is evenly fixed with some intermediate connectors, the top of intermediate connector coordinates with cleaning head and is detachably fixedly connected with, cleaning crown portion is provided with hard cleaning hairbrush, cleaning head on each intermediate connector is closely adjoint, hard cleaning hairbrush is adjacent to the inwall of oval ducts.

2. a kind of device clearing up oval ducts inwall according to claim 1, it is characterized in that: on the right flank of described left wheel, middle runner, corresponding groove position is evenly provided with the draw-in groove of fixing intermediate connector, and described draw-in groove is for distribute symmetrically.

3. a kind of device clearing up oval ducts inwall according to claim 1, it is characterized in that: on described middle runner, the left surface of right wheel, corresponding groove position is evenly provided with the draw-in groove of fixing intermediate connector, and described draw-in groove is for distribute symmetrically.

4. a kind of device clearing up oval ducts inwall according to claim 1, it is characterized in that: described left wheel, middle runner are fixedly connected with central rotating shaft by spline or flat key with right wheel, and the left surface of the right flank of the left surface of the right flank of left wheel and middle runner, middle runner and adjacent middle runner, between the right flank of middle runner and the left surface of right wheel, have gap.

5. a kind of device clearing up oval ducts inwall according to claim 1, is characterized in that: described inserted link upper surface is provided with screwed hole, the bottom of intermediate connector is provided with the external screw thread coordinated with described screwed hole.

6. a kind of device clearing up oval ducts inwall according to claim 1, it is characterized in that: the top of described intermediate connector is provided with external screw thread, described cleaning head is provided with the screwed hole of the upper outside threaded engagement with intermediate connector.

7. a kind of device clearing up oval ducts inwall according to claim 1, is characterized in that: the track of the guide chute on described directive wheel is similar to oval ducts cross section elliptical orbit.

8. a kind of device clearing up oval ducts inwall according to claim 1, is characterized in that: the described flexible pad of groove internal fixtion.

9. a kind of device clearing up oval ducts inwall according to claim 1, is characterized in that: be provided with bearing (ball) cover outside described bearing.

10. a kind of device clearing up oval ducts inwall according to claim 1, is characterized in that: the hard cleaning hairbrush of described cleaning head is rigid plastics hairbrush or stainless steel hairbrush.