CN110355628B

CN110355628B - Pipeline inner wall grinding device

Info

Publication number: CN110355628B
Application number: CN201910683942.7A
Authority: CN
Inventors: 梁宁宁; 孙晓燕; 于海青; 刘佳丽; 孙笑嫣
Original assignee: Yantai Engineering and Technology College
Current assignee: WUXI BISHENGBI PRECISION STEEL TUBE Co.,Ltd.
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-06-09
Anticipated expiration: 2039-07-26
Also published as: CN110355628A

Abstract

The invention relates to the field of pipeline processing equipment, in particular to a pipeline inner wall grinding device which comprises a base and a rack, wherein the rack is mounted on the base, a grinding cylinder is rotatably mounted on the rack and driven to rotate by a driving mechanism, two lantern rings are sleeved on the grinding cylinder in a matching manner, a plurality of second telescopic cylinders are circumferentially distributed and mounted on the outer sides of the two lantern rings, a grinding plate is mounted at the outer end of each second telescopic cylinder, a movable plate extending into a cavity is fixedly mounted on the inner sides of the two lantern rings, an elastic part is connected between the two movable plates, a steel wire rope is fixed on the movable plate on the right side, and the steel wire rope is fixedly connected with the movable plate on the left side after bypassing a fixed pulley; the left side of the grinding cylinder is fixedly provided with a first telescopic cylinder, and the end part of a piston rod of the first telescopic cylinder is connected with a movable plate on the left side through a rotating body. The grinding device is novel in structure and reasonable in design, can be used for quickly and dynamically grinding the inner wall of the pipeline, and is beneficial to popularization.

Description

Pipeline inner wall grinding device

Technical Field

The invention relates to the field of pipeline processing equipment, in particular to a device for grinding the inner wall of a pipeline.

Background

A pipeline is a device for transporting a gas, liquid or fluid with solid particles, connected by pipes, pipe couplings, valves, etc. Generally, a fluid is pressurized by a blower, a compressor, a pump, a boiler, etc., and then flows from a high pressure portion to a low pressure portion of a pipe, or is transported by the pressure or gravity of the fluid itself. The use of pipelines is very widespread, mainly in water supply, drainage, heating, gas supply, long-distance oil and gas delivery, agricultural irrigation, hydraulic engineering and various industrial installations.

In the prior art, when a pipeline is machined, the inner wall of the pipeline needs to be polished, the existing device is single in structure and traditional, the inner wall of the pipeline cannot be rapidly and dynamically polished, and the operation efficiency is influenced. Therefore, in view of the above situation, there is an urgent need to develop a device for grinding the inner wall of a pipeline to overcome the shortcomings in the current practical application.

Disclosure of Invention

An embodiment of the present invention provides a device for grinding an inner wall of a pipeline, so as to solve the problems in the background art.

In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions:

a grinding device for the inner wall of a pipeline comprises a base and a rack, wherein the rack is fixedly installed on the base, a grinding cylinder is installed on the rack in a rotating mode and driven to rotate by a driving mechanism, a cavity with a left opening is formed in the grinding cylinder, two lantern rings are sleeved on the grinding cylinder in a matching mode, a plurality of second telescopic cylinders are circumferentially distributed and installed on the outer sides of the two lantern rings, a grinding plate is installed at the outer end of each second telescopic cylinder, a sand layer is arranged on the grinding plate, movable plates extending into the cavity are installed and fixed on the inner sides of the two lantern rings respectively, an elastic piece is connected between the two movable plates, a steel wire rope is fixed on the movable plate on the right side, a fixed pulley is installed and fixed at the right end of the cavity, and the steel wire rope is connected and fixed with the movable plate on the left; the left side of the grinding cylinder is fixedly provided with a first telescopic cylinder, and the end part of a piston rod of the first telescopic cylinder is connected with the movable plate on the left side through a rotating body.

As a further scheme of the invention: the grinding cylinder is provided with a movable opening for the movable plate to move left and right.

As a further scheme of the invention: and the movable plate on the right side is also provided with a through hole for the steel wire rope to pass through.

As a further scheme of the invention: the two collars can abut against each other under the elastic force of the elastic piece.

As a further scheme of the invention: the diameter of the cylinder body of the first telescopic cylinder is smaller than that of the cavity, and the first telescopic cylinder is fixedly connected with the rack through a fixing frame.

As a further scheme of the invention: the rotating body, the first telescopic cylinder and the grinding cylinder are coaxially arranged.

As a further scheme of the invention: the base is further provided with a sliding chute, a plurality of supporting seats are arranged on the sliding chute in a matched sliding mode, two adjacent supporting seats are fixedly connected through a connecting rod, and a supporting plate for supporting the pipeline is arranged on each supporting seat; the screw hole is formed in the supporting seat, the screw hole is connected with a screw rod in a threaded fit mode, bearing seats are mounted at two ends of the screw rod and fixed on the base, and one end of the screw rod is connected with a second motor which is fixed on the base.

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

1) the second motor works to drive the supporting seat to stably move, so that the pipeline can stably enter and exit the grinding station;

2) the second telescopic cylinder is controlled, so that the grinding plate and the sand layer can be abutted against the inner wall of the pipeline conveniently, and the second telescopic cylinder can be controlled during grinding to dynamically adjust the force of the sand layer and the grinding plate abutted against the inner wall of the pipeline, so that different grinding effects can be realized;

3) during grinding, the first telescopic cylinder is controlled, when the first telescopic cylinder drives the movable plate on the left side to move leftwards, the movable plate on the right side can synchronously move rightwards through the arrangement of the fixed pulley and the steel wire rope, and the inner wall of the pipeline can be quickly and dynamically ground; when the first telescopic cylinder drives the movable plate on the left side to move rightwards, the movable plate on the right side is beneficial to restoring the original position through the elastic piece; through the setting of rotator, can not cause the influence to first telescoping cylinder when coping section of thick bamboo is rotatory.

Drawings

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

Fig. 2 is a partial sectional structural view of fig. 1.

Fig. 3 is a schematic partial structure view of the movable plate, the collar and the connecting portion of the sharpening cylinder in the embodiment of the invention.

In the figure: 1-fixed frame, 2-driven belt wheel, 3-first telescopic cylinder, 4-transmission belt, 5-first motor, 6-base, 7-driving belt wheel, 8-frame, 9-grinding cylinder, 10-second motor, 11-screw, 12-lantern ring, 13-sand layer, 14-grinding plate, 15-second telescopic cylinder, 16-pipeline, 17-supporting seat, 18-supporting plate, 19-connecting rod, 20-sliding chute, 21-rotating body, 22-movable opening, 23-movable plate, 24-elastic part, 25-through hole, 26-fixed pulley, 27-steel wire rope and 28-cavity.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, in an embodiment of the present invention, a pipeline inner wall grinding device includes a base 6 and a frame 8, the frame 8 is fixedly installed on the base 6, a grinding cylinder 9 is rotatably installed on the frame 8, the grinding cylinder 9 is driven to rotate by a driving mechanism, specifically, the driving mechanism includes a driven pulley 2 installed and fixed on the grinding cylinder 9, the driven pulley 2 is connected with a driving pulley 7 through a transmission belt 4, the driving pulley 7 is installed and fixed on an output shaft of a first motor 5, the first motor 5 is fixedly installed on the base 6, and the grinding cylinder 9 can be driven to rotate through the operation of the first motor 5.

A cavity 28 with a left opening is formed in the grinding cylinder 9, the grinding cylinder 9 is sleeved with two lantern rings 12 in a matching manner, a plurality of second telescopic cylinders 15 are circumferentially distributed and mounted on the outer sides of the two lantern rings 12, the second telescopic cylinders 15 are controlled remotely and wirelessly, the second telescopic cylinders 15 can be electric telescopic cylinders, grinding plates 14 are mounted at the outer ends of the second telescopic cylinders 15, sand layers 13 are arranged on the grinding plates 14, grinding operation can be performed on the inner wall of the pipeline 16 through the matching of the grinding plates 14 and the sand layers 13, movable plates 23 extending into the cavity 28 are mounted and fixed on the inner sides of the two lantern rings 12 respectively, movable openings 22 used for moving the movable plates 23 left and right are formed in the grinding cylinder 9, namely the movable plates 23 can move left and right along the movable openings 22, elastic pieces 24 are connected between the two movable plates 23, each elastic piece 24 can be a spring, and a steel wire rope 27 is fixed on the movable plate 23 on the right side, a fixed pulley 26 is fixedly arranged at the right end of the cavity 28, a steel wire rope 27 is fixedly connected with the movable plate 23 on the left side after bypassing the fixed pulley 26, a through hole 25 for the steel wire rope 27 to pass through is further formed in the movable plate 23 on the right side, and the steel wire rope 27 passes through the through hole 25, so that the steel wire rope 27 can move more stably; further, the two collars 12 can abut against each other under the elastic force of the elastic piece 24, so that the device can grind the inside of the pipeline 16 more fully.

The left side of the grinding cylinder 9 is fixedly provided with a first telescopic cylinder 3, the diameter of a cylinder body of the first telescopic cylinder 3 is smaller than that of the cavity 28, so that the cylinder body of the first telescopic cylinder 3 can extend into the cavity 28, the connection is more convenient, the first telescopic cylinder 3 is fixedly connected with the rack 8 through the fixed frame 1, the first telescopic cylinder 3 can be supported in an auxiliary manner through the fixed frame 1, the end part of a piston rod of the first telescopic cylinder 3 is connected with the left-side movable plate 23 through the rotating body 21, and the rotating body 21 is used for enabling the movable plate 23 to rotate relative to the first telescopic cylinder 3; furthermore, the rotating body 21, the first telescopic cylinder 3 and the sharpening cylinder 9 are coaxially arranged, so that the whole device can stably operate.

Example 2

Referring to fig. 1-2, the present embodiment is different from embodiment 1 in that:

in this embodiment, spout 20 has still been seted up on base 6, and cooperation slidable mounting has a plurality of supporting seats 17 on spout 20, connects fixedly through connecting rod 19 between two adjacent supporting seats 17, install the layer board 18 that is used for the bearing to pipeline 16 on the supporting seat 17, the concrete structure of layer board 18 adopt prior art can, the screw has been seted up on the supporting seat 17, and screw-thread fit is connected with screw rod 11 on the screw, and the bearing frame (not shown) is all installed at screw rod 11's both ends, and the bearing frame is fixed in on base 6, just screw rod 11's one end is connected with second motor 10, and on second motor 10 was fixed in base 6, can drive screw rod 11 rotatory through second motor 10, and then drives supporting seat 17 and remove to transport pipeline 16.

This pipeline inner wall grinding device, when practical application, has following outstanding advantage:

1) the second motor 10 works to drive the supporting seat 17 to stably move, so that the pipeline 16 stably enters and exits the grinding station;

2) the second telescopic cylinder 15 is controlled, so that the grinding plate 14 and the sand layer 13 are favorably abutted against the inner wall of the pipeline 16, and the second telescopic cylinder 15 can be controlled during grinding to dynamically adjust the force of the sand layer 13 and the grinding plate 14 abutted against the inner wall of the pipeline 16, so that different grinding effects are realized;

3) during grinding, by controlling the first telescopic cylinder 3, when the first telescopic cylinder 3 drives the left movable plate 23 to move leftwards, the right movable plate 23 can synchronously move rightwards through the arrangement of the fixed pulley 26 and the steel wire rope 27, so that the inner wall of the pipeline 16 can be quickly and dynamically ground; when the first telescopic cylinder 3 drives the left movable plate 23 to move rightwards, the right movable plate 23 is restored to the original position through the elastic piece 24; due to the arrangement of the rotating body 21, the first telescopic cylinder 3 is not affected when the sharpening cylinder 9 rotates.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.

Claims

1. The pipeline inner wall grinding device comprises a base (6) and a rack (8), and is characterized in that the rack (8) is fixedly arranged on the base (6), a grinding cylinder (9) is rotatably arranged on the rack (8), and the grinding cylinder (9) is driven to rotate by a driving mechanism;

a cavity (28) with a left opening is formed in the polishing cylinder (9), two sleeve rings (12) are sleeved on the polishing cylinder (9) in a matching manner, a plurality of second telescopic cylinders (15) are circumferentially distributed and mounted on the outer sides of the two sleeve rings (12), a polishing plate (14) is mounted at the outer end of each second telescopic cylinder (15), a sand layer (13) is arranged on each polishing plate (14), and a movable plate (23) extending into the cavity (28) is fixedly mounted on the inner sides of the two sleeve rings (12) respectively;

an elastic part (24) is connected between the two movable plates (23), a steel wire rope (27) is fixed on the movable plate (23) on the right side, a fixed pulley (26) is fixed at the right end of the cavity (28), and the steel wire rope (27) is connected and fixed with the movable plate (23) on the left side after bypassing the fixed pulley (26);

the left side of the grinding cylinder (9) is fixedly provided with a first telescopic cylinder (3), and the end part of a piston rod of the first telescopic cylinder (3) is connected with the movable plate (23) on the left side through a rotating body (21).

2. The grinding device for the inner wall of the pipeline according to claim 1, wherein a movable opening (22) for moving the movable plate (23) left and right is formed in the grinding cylinder (9).

3. The grinding device for the inner wall of the pipeline according to claim 2, wherein a through hole (25) for a steel wire rope (27) to pass through is further formed in the movable plate (23) on the right side.

4. The grinding device for inner walls of pipelines according to claim 3, characterized in that the two collars (12) can abut against each other under the elastic force of the elastic member (24).

5. The grinding device for the inner wall of the pipeline according to claim 1, wherein the diameter of the cylinder body of the first telescopic cylinder (3) is smaller than that of the cavity (28), and the first telescopic cylinder (3) is fixedly connected with the rack (8) through a fixing frame (1).

6. The grinding device for the inner wall of the pipeline according to claim 5, wherein the rotating body (21), the first telescopic cylinder (3) and the grinding cylinder (9) are coaxially arranged.

7. The grinding device for the inner wall of the pipeline according to any one of claims 1 to 6, wherein a sliding groove (20) is further formed in the base (6), a plurality of supporting seats (17) are slidably mounted on the sliding groove (20) in a matched manner, two adjacent supporting seats (17) are fixedly connected through a connecting rod (19), and a supporting plate (18) for supporting the pipeline (16) is mounted on each supporting seat (17);

the screw hole has been seted up on supporting seat (17), and screw-thread fit is connected with screw rod (11) on the screw hole, and the bearing frame is all installed at the both ends of screw rod (11), and the bearing frame is fixed in on base (6), just the one end of screw rod (11) is connected with second motor (10), and second motor (10) are fixed in on base (6).