CN209991531U

CN209991531U - Heating pipeline with built-in dredging device

Info

Publication number: CN209991531U
Application number: CN201920699018.3U
Authority: CN
Inventors: 陈春梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-01-24
Anticipated expiration: 2029-05-16

Abstract

The utility model discloses a heating pipeline with a built-in dredging device, which belongs to the field of boiler pipelines, and comprises a main pipeline, a filter mounting pipe is arranged at the output end of the main pipeline, a filter is mounted in the filter mounting pipe, the central axis of the filter mounting pipe and the central axis of the main pipeline form a 45-degree included angle, four dredging device moving grooves are chiseled on the inner wall of the main pipeline, the dredging device is mounted in the main pipeline through the dredging device moving grooves, a hydraulic cylinder is also mounted in the dredging device moving grooves through a fixing bolt, a telescopic rod of the hydraulic cylinder is mounted on the dredging device through bolt connection, a hydraulic cylinder oil port of the hydraulic cylinder passes through the main pipeline and is connected with a hydraulic pump through an oil conveying pipe, the purpose of prolonging the service time of the heating pipeline can be realized, and the maintenance frequency of the heating pipeline is reduced, and the heating quality is improved.

Description

Heating pipeline with built-in dredging device

Technical Field

The utility model relates to a boiler pipeline field, more specifically say, relate to a heating pipeline with built-in dredging device.

Background

Winter heating is a living demand of residents in northern China. Heating is a social service for solving the basic life requirement of winter heating of residents in northern China. To avoid waste of fuel and aggravation of air pollution, more and more areas are heated intensively by using pipes. The pipeline heating is realized by that a municipal heating plant burns coal through a boiler and then transmits the coal to indoor radiating fins through a centralized pipeline.

However, after the heating pipe is used for a period of time, rust and dirt are generated on the inner wall of the pipe, which affects the use of the heating pipe. Especially, once the output pipeline of the heating boiler is blocked, the heating boiler is detached, cleaned and dredged, and the heating boiler stops heating within a certain time, so that the heating efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a heating pipe with built-in dredging device, it can realize when the outside heating medium of exporting of boiler, washs the inner wall of heating pipe and dredges, prevents that the inner wall of heating pipe from piling up rust and dirt, prolongs heating pipe's live time.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A heating pipeline with a built-in dredging device comprises a main pipeline, a filter installation pipe is arranged at the output end of the main pipeline, a filter is installed in the filter installation pipe and used for removing impurities in the heating medium, a 45-degree included angle is formed between the central axis of the filter installation pipe and the central axis of the main pipeline, four dredging device moving grooves are drilled on the inner wall of the main pipeline, the dredging device is installed in the main pipeline through the dredging device moving grooves, rust and dirt accumulated on the inner wall of the main pipeline when the heating medium is conveyed by the main pipeline are removed through the dredging device, the removed rust and dirt move to the filter installation pipe along with the heating medium, the heating medium is separated and filtered out through a filter installed in the filter installation pipe, and a hydraulic cylinder is further installed in the dredging device moving grooves through a fixing bolt, the telescopic link of pneumatic cylinder passes through bolted connection and installs on dredging the device, the pneumatic cylinder is the multi-stage pneumatic cylinder of nonoculture for to dredge the device and reset, the pneumatic cylinder hydraulic fluid port of pneumatic cylinder passes the trunk line and through defeated oil pipe and hydraulic pump connection, and this hydraulic pump is the plunger pump, injects hydraulic oil to the intermittent type in the pneumatic cylinder, and the drive is dredged the device and is reset, the utility model discloses can realize the purpose of extension heating pipe's live time, reduce heating pipe's maintenance frequency, improve heating quality.

Furthermore, the dredging device comprises a fixed frame, a brush body, bristles, limit lugs, a rotating block, turbine blades and pins, wherein the outer side of the fixed frame is provided with four limit lugs which are in clearance fit with a moving groove of the dredging device to prevent the fixed frame from rotating when the dredging device moves in a main pipeline, the fixed frame is provided with the rotating block through the pins, a needle bearing is arranged in the rotating block, the inner ring of the needle bearing is in interference fit with the pins, a plurality of brush bodies are circumferentially distributed on the side surface of the rotating block, the bristles are distributed on the head part of the brush bodies and are abutted against the inner wall of the main pipeline, a plurality of turbine blades are also circumferentially distributed on the side surface of the rotating block between the brush bodies and the fixed frame, the turbine blades form a turbine, and when the heating medium and the turbine move relatively, the heating medium drives the turbine to rotate, the rotatory piece that drives of turbine is rotatory, and rotatory piece drive brush body is rotatory round the pin for the brush hair produces the friction with the trunk line inner wall, clears away the rust and the dirt of trunk line inner wall, and when the brush hair cleared away the rust and the dirt of trunk line inner wall, the heating medium promotes to dredge the device and removes along dredging the device shifting chute, until reaching the extreme extended position of pneumatic cylinder telescopic link.

Furthermore, the limit lug is provided with a threaded hole, the mounting bolt is used for mounting the fixing frame on the telescopic rod of the hydraulic cylinder through the threaded hole, the purpose of limiting the stroke of the dredging device is achieved through the length limitation of the telescopic rod of the hydraulic cylinder, and meanwhile, the hydraulic cylinder is convenient to retract through the telescopic rod to drive the dredging device to reset; and in the process of resetting the dredging device, the heating medium and the turbine also have relative movement, and rust and dirt on the inner wall of the main pipeline are removed by the bristles again while resetting.

Further, be equipped with a plurality of internal thread posts on the trunk line, open threaded hole on the internal thread post, this screw hole and the installation screw hole coincidence on the pneumatic cylinder body, and this screw hole revolves to the same with the screw thread of the installation screw hole on the pneumatic cylinder body, tooth size and tooth pitch keep unanimous, fixing bolt passes the installation screw hole that the internal thread post revolved on the pneumatic cylinder body, it has waterproof circle to fill up between fixing bolt and the internal thread post, prevents that the heating medium from spilling over the trunk line.

Further, the cylinder body of pneumatic cylinder installs in dredging device shifting chute on the trunk line inner wall through two fixing bolt, through dredging device shifting chute and fixing bolt's common restriction, the effectual pneumatic cylinder of having avoided produces the displacement because of receiving the impact of heating medium.

Further, the hydraulic cylinder oil port that sets up on the cylinder body of pneumatic cylinder passes the trunk line, and the winding has raw sticky tape on the pneumatic cylinder oil port outer wall of the juncture of pneumatic cylinder oil port and trunk line, prevents that the heating medium from spilling over the trunk line.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can realize the purpose of extension heating pipe's live time, has reduced heating pipe's maintenance frequency, improves the heating quality.

(2) The dredging device comprises a fixing frame, a brush body, bristles, limiting lugs, a rotating block, turbine blades and pins, wherein the four limiting lugs are arranged on the outer side of the fixing frame and are in clearance fit with a moving groove of the dredging device, and the fixing frame is prevented from rotating when the dredging device moves in a main pipeline.

(3) The mount passes through the rotatory piece of pin installation, install bearing in the rotatory piece, this bearing's inner circle and pin interference fit, it has a plurality of brushes to go up the circumference distribution in the side of rotatory piece, the head of brush distributes and has the brush hair, the brush hair supports on the inner wall of trunk line, it has a plurality of turbine blades to go back the circumference distribution on the rotatory piece side between brush body and mount, constitute the turbine by turbine blade, when having relative motion between heating medium and the turbine, heating medium drive turbine is rotatory round the pin, the rotatory piece that drives of turbine rotation, rotatory piece drive brush body is rotatory round the pin, make brush hair and trunk line inner wall produce the friction, clear away the rust stain and the dirt of trunk line inner wall.

(4) The threaded hole is formed in the limiting convex block, the mounting bolt installs the fixing frame on the telescopic rod of the hydraulic cylinder through the threaded hole, the purpose of limiting the stroke of the dredging device is achieved through the length limitation of the telescopic rod of the hydraulic cylinder, meanwhile, the hydraulic cylinder is convenient to retract through the telescopic rod, and the driving dredging device resets.

(5) Be equipped with a plurality of internal thread posts on the trunk line, open threaded hole on the internal thread post, this screw hole and the installation screw hole coincidence on the pneumatic cylinder body, and this screw hole is the same with the screw thread of the installation screw hole on the pneumatic cylinder body soon, and tooth size and tooth pitch keep unanimous, and fixing bolt passes the internal thread post and screws into the installation screw hole on the pneumatic cylinder body, and it has waterproof circle to fill up between fixing bolt and the internal thread post, prevents that the heating medium from spilling over the trunk line.

(6) The cylinder body of pneumatic cylinder is installed in dredging device shifting chute on the trunk line inner wall through two fixing bolt, through dredging the common restriction of device shifting chute and fixing bolt, has effectually avoided the pneumatic cylinder because the impact that receives the heating medium produces the displacement.

(7) The main pipeline is passed to the pneumatic cylinder hydraulic fluid port that sets up on the cylinder body of pneumatic cylinder, and the winding has raw sticky tape on the pneumatic cylinder hydraulic fluid port outer wall of the juncture of pneumatic cylinder hydraulic fluid port and main pipeline, prevents that the heating medium from spilling over the main pipeline.

Drawings

Fig. 1 is a schematic structural view of the input end of the pipeline of the present invention;

fig. 2 is a schematic view of the structure of the pipeline output end of the present invention;

fig. 3 is a schematic view of the back structure of the dredging device of the present invention;

fig. 4 is a schematic view of the front structure of the dredging device of the present invention.

Fig. 5 is a schematic structural diagram of the fixing bolt of the present invention.

The reference numbers in the figures illustrate:

the device comprises a main pipeline 1, a filter mounting pipe 2, a hydraulic cylinder oil port 3, a fixing bolt 4, a dredging device 5, a hydraulic cylinder 6, a dredging device moving groove 11, an internal thread column 12, a waterproof ring 41, a fixing frame 51, a brush body 52, bristles 53, a limiting bump 54, a rotating block 55, a turbine blade 56 and a pin 57.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-2, a heating pipe with a built-in dredging device comprises a main pipe 1 for conveying a heating medium, a filter mounting pipe 2 is disposed at an output end of the main pipe 1, a filter is mounted in the filter mounting pipe 2 for removing impurities in the heating medium, an included angle of 45 degrees is formed between a central axis of the filter mounting pipe 2 and the central axis of the main pipe 1, four dredging device moving grooves 11 are formed on an inner wall of the main pipe 1, a dredging device 5 is mounted in the main pipe 1 through the dredging device moving grooves 11, rust and dirt accumulated on the inner wall of the main pipe 1 when the heating medium is conveyed are removed by the dredging device 5, the removed rust and dirt move to the filter mounting pipe 2 along with the heating medium, the heating medium is separated and filtered by a filter mounted in the filter mounting pipe 2, and a hydraulic cylinder 6 is mounted in the dredging device moving groove 11 through a fixing bolt 4, the telescopic link of pneumatic cylinder 6 passes through bolted connection and installs on dredging device 5, and this pneumatic cylinder 6 is the multi-stage pneumatic cylinder of single action for will dredging device 5 resets, and the pneumatic cylinder hydraulic fluid port 3 of pneumatic cylinder 6 passes trunk line 1 and through defeated oil pipe and hydraulic pump connection, and this hydraulic pump is the plunger pump, and intermittent type pours into hydraulic oil into in to pneumatic cylinder 6, and the drive is dredged device 5 and resets.

Referring to fig. 3-4, the dredging device 5 includes a fixing frame 51, a brush 52, bristles 53, a limiting protrusion 54, a rotating block 55, turbine blades 56 and a pin 57, four limiting protrusions 54 are disposed on the outer side of the fixing frame 51, the limiting protrusions 54 are in clearance fit with the dredging device moving groove 11 to prevent the fixing frame 51 from rotating when the dredging device 5 moves in the main pipe 1, the fixing frame 51 is mounted with the rotating block 55 through the pin 57, a needle bearing is mounted in the rotating block 55, the inner ring of the needle bearing is in interference fit with the pin 57, a plurality of brush 52 are circumferentially distributed on the side surface of the rotating block 55, bristles 53 are distributed on the head portion of the brush 52, the bristles 53 are abutted against the inner wall of the main pipe 1, a plurality of turbine blades 56 are also circumferentially distributed on the side surface of the rotating block 55 between the brush 52 and the fixing frame 51, the turbine blades 56 constitute a turbine, when the heating, heating medium drive turbine is rotatory around pin 57, and the turbine is rotatory to drive rotatory piece 55 rotatory, and rotatory piece 55 drive brush body 52 is rotatory around pin 57 for brush hair 53 produces the friction with trunk line 1 inner wall, clears away the rust and the dirt of trunk line 1 inner wall, and when brush hair 53 cleared away the rust and the dirt of trunk line 1 inner wall, heating medium promotes to dredge device 5 and removes along dredging device moving groove 11, until reaching the extreme extended position of pneumatic cylinder 6 telescopic link.

Referring to fig. 3-4, a threaded hole is formed in the limiting projection 54, the mounting bolt mounts the fixing frame 51 on the telescopic rod of the hydraulic cylinder 6 through the threaded hole, the stroke of the limiting dredging device 5 is achieved by the length limitation of the telescopic rod of the hydraulic cylinder 6, and the hydraulic cylinder 6 is conveniently retracted through the telescopic rod to drive the dredging device 5 to reset; and in the process of resetting the dredging device 5, the heating medium and the turbine also have relative movement, and rust and dirt on the inner wall of the main pipeline 1 are removed again through the bristles 53 while resetting.

Referring to fig. 5, a plurality of internal thread columns 12 are arranged on the main pipe 1, threaded holes are formed in the internal thread columns 12, the threaded holes are overlapped with mounting threaded holes in the cylinder body of the hydraulic cylinder 6, the thread turning directions of the threaded holes are the same as those of the mounting threaded holes in the cylinder body of the hydraulic cylinder 6, the sizes of teeth and the distances between the teeth are kept consistent, the fixing bolt 4 penetrates through the internal thread columns 12 to be screwed into the mounting threaded holes in the cylinder body of the hydraulic cylinder 6, and a waterproof ring 41 is padded between the fixing bolt 4 and the internal thread columns 12 to prevent heating media from overflowing the main pipe 1.

Referring to fig. 1-2, the cylinder body of the hydraulic cylinder 6 is mounted in the dredging device moving groove 11 on the inner wall of the main pipe 1 through two fixing bolts 4, and the hydraulic cylinder 6 is effectively prevented from being displaced due to the impact of the heating medium by the common limitation of the dredging device moving groove 11 and the fixing bolts 4.

Referring to fig. 1-2, a hydraulic cylinder port 3 provided on a cylinder body of a hydraulic cylinder 6 penetrates through a main pipe 1, and a raw rubber tape is wound on an outer wall of the hydraulic cylinder port 3 at a junction of the hydraulic cylinder port 3 and the main pipe 1 to prevent a heating medium from overflowing the main pipe 1.

The working principle is as follows: when the boiler is used, high-temperature heating medium output by the boiler enters the main pipeline 1 at a high speed, the heating medium and the dredging device 5 have relative speed, the heating medium drives the turbine in the dredging device 5 to rotate, the brush body 52 is driven to rotate, so that the bristles 53 rub against the inner wall of the main pipeline 1, the dredging device 5 is pushed by the heating medium, and when the bristles 53 move along the dredging device moving groove 11, the bristles 53 remove rust and dirt on the inner wall of the main pipeline 1; the rust and dirt removed are mixed into the heating medium, and when the heating medium passes through the position of the filter mounting pipe 2, the rust and dirt mixed with the heating medium are removed by the filter mounted in the filter mounting pipe 2; then the hydraulic pump injects hydraulic oil into the hydraulic cylinder 6 to drive the dredging device 5 to reset, the heating medium and the turbine also have relative movement in the process of resetting the dredging device 5, and rust and dirt on the inner wall of the main pipeline 1 are removed by the brush hairs 53 again during resetting; after finishing using, lift fixing bolt 4 off, take out pneumatic cylinder 6, when pneumatic cylinder 6 left trunk line 1, pneumatic cylinder 6 drove dredging device 5 through the telescopic link and leaves trunk line 1 along dredging device moving chute 11, and the consumptive material in dredging device 5 is dredged in clean dredging device 5 and the change. Compare with current heating pipe way, the utility model discloses can realize the purpose of extension heating pipe way's live time to this reduces heating pipe way's maintenance frequency, improves the heating quality.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a heating pipe with built-in dredging device, includes trunk line (1), its characterized in that: the utility model discloses a filter installation device, including trunk line (1), fixed support, filter installation pipe (2), install the filter in the filter installation pipe (2), the axis of filter installation pipe (2) becomes 45 degrees contained angles with the axis of trunk line (1), it has four dredging device shifting chutes (11) to cut on the inner wall of trunk line (1), trunk line (1) is installed dredging device (5) through dredging device shifting chute (11), still install pneumatic cylinder (6) through fixing bolt (4) in dredging device shifting chute (11), the telescopic link of pneumatic cylinder (6) passes through bolted connection fixed mounting on the spacing lug (54) of dredging device (5), spacing lug (54) are located the outside of mount (51), rotatory piece (55) is installed through pin (57) in mount (51), install bearing in rotatory piece (55), and needle bearing's inner circle and pin (57) interference fit, the circumference distributes on the side of rotatory piece (55) has a plurality of brush bodies (52), brush hair (53) are installed to the head of brush body (52), still install the turbine on rotatory piece (55) side between brush body (52) and mount (51), the turbine comprises a plurality of turbine blade (56), the pneumatic cylinder hydraulic port (3) of pneumatic cylinder (6) pass main pipe (1) and through defeated oil pipe and hydraulic pump connection.

2. The heating duct of claim 1, wherein: threaded holes are drilled in the limiting convex blocks (54), and the fixing frame (51) is installed on the telescopic rod of the hydraulic cylinder (6) through the threaded holes by the installation bolts.

3. The heating duct of claim 1, wherein: be equipped with a plurality of internal thread posts (12) on trunk line (1), open threaded hole on internal thread post (12), pneumatic cylinder (6) are installed through this internal thread post (12) in fixing bolt (4), install between fixing bolt (4) and internal thread post (12) and have waterproof circle (41).

4. The heating duct with built-in canalizing device according to claim 1 or 3, wherein: the cylinder body of the hydraulic cylinder (6) is arranged in a dredging device moving groove (11) on the inner wall of the main pipeline (1) through two fixing bolts (4).

5. The heating duct of claim 1, wherein: the hydraulic cylinder oil port (3) arranged on the cylinder body of the hydraulic cylinder (6) penetrates through the main pipeline (1), and a raw rubber belt is wound on the outer wall of the hydraulic cylinder oil port (3) at the junction of the hydraulic cylinder oil port (3) and the main pipeline (1).