CN106391600A - Conveying pipe cleaning device - Google Patents
Conveying pipe cleaning device Download PDFInfo
- Publication number
- CN106391600A CN106391600A CN201610798357.8A CN201610798357A CN106391600A CN 106391600 A CN106391600 A CN 106391600A CN 201610798357 A CN201610798357 A CN 201610798357A CN 106391600 A CN106391600 A CN 106391600A
- Authority
- CN
- China
- Prior art keywords
- drill bit
- delivery pipe
- attachment means
- drive mechanism
- chute
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
- B08B9/043—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes
- B08B9/045—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved by externally powered mechanical linkage, e.g. pushed or drawn through the pipes the cleaning devices being rotated while moved, e.g. flexible rotating shaft or "snake"
Abstract
The invention relates to a conveying pipe cleaning device. The conveying pipe cleaning device comprises a fixing support connected with a pipe opening of a conveying pipe (1), a first driving mechanism and a second driving mechanism, wherein the first driving mechanism and the second driving mechanism are installed on the fixing support; the second driving mechanism is used for being connected with a drill bit (2) and can be used for driving the drill bit (2) to rotate; and the first driving mechanism is used for driving the second driving mechanism and the drill bit (2) to slide in the axial direction of the fixing support so that the drill bit (2) can be screwed into the conveying pipe (1). In this way, the progressive drill bit continuously cuts concrete solidified on the conveying pipe, and therefore the concrete solidified in a conveying pipe pipeline can be disintegrated, the concrete is conveyed out of the pipe opening, and the purpose of dredging the pipeline is achieved.
Description
Technical field
A kind of it relates to cleaning field of delivery pipe, in particular it relates to delivery pipe cleaning equipment.
Background technology
When using delivery pipe conveying object, it is often accompanied by plugging phenomenon, for example, pumping equipment is in the process of construction dnockout
In, common because of equipment fault, aggregate quality and the delivery pipe plugging phenomenon that produces.As processed the aggregate in delivery pipe not in time,
Aggregate is just set in inside delivery pipe, causes whole pipeline to scrap, and using to user makes troubles.
Content of the invention
The purpose of the disclosure is to provide a kind of delivery pipe cleaning equipment, and this equipment is capable of the conveyance conduit of dredge blockage.
To achieve these goals, the disclosure provides a kind of delivery pipe cleaning equipment, including for the mouth of pipe with delivery pipe
Connected fixed support, it is installed to described support bracket fastened first drive mechanism and the second drive mechanism, described second driving machine
Structure is used for being connected and can be used for driving described bit with drill bit, and described first drive mechanism is used for driving described second driving
Mechanism and described drill bit slide axially along described fixed support, so that described drill bit is screwed in described delivery pipe.
Alternatively, described second drive mechanism is included for connecting described first drive mechanism and described support bracket fastened company
Connection device, the shell of this attachment means is formed with water inlet connection, and described drill bit end is formed with delivery port, described attachment means
It is formed with the water stream channel connecting described water inlet connection and described delivery port and described drill bit between.
Alternatively, include connecting bushing inside described attachment means, this connecting bushing includes the first paragraph of the arrangement in ladder
And second segment, the end of described second drive mechanism includes driving means, is formed with and described driving means in described first paragraph
The keyway that matches of drive shaft, described second segment is connected with described water inlet connection.
Alternatively, described second drive mechanism also includes push rod, and this push rod is detachably connected to described drill bit and described
Between the described second segment of attachment means.
Alternatively, described driving means are motor.
Alternatively, described first drive mechanism includes driving handle and transmission device, and described driving handle rotationally connects
It is connected to described fixed support, described transmission device is connected to the shell of the attachment means of described first drive mechanism, described drill bit
Coaxially connected with described attachment means, described driving handle drives described transmission device to drive described drill bit along described delivery pipe
Axial movement.
Alternatively, described fixed support includes between described delivery pipe and symmetrically arranged a pair of fixed plate, and this is solid
Fixed board includes the chute of vertical runs and the side plate being connected to inside this chute, and described transmission device includes pitch wheel
And tooth bar, described tooth bar is slideably mounted in the described chute of side, and is connected to away from one end of described delivery pipe
The shell of described attachment means, described gear is installed to the described side plate of side by securing member, and described driving handle is fixed to
The end of described securing member, to drive described gear and described rack-driving to drive described drill bit along the axial direction shifting of described delivery pipe
Dynamic.
Alternatively, the shell of described attachment means is connected to described tooth bar by bracing frame one end, and the other end is slidably
It is connected in the described chute of opposite side, described rack-driving is to drive the movement of described attachment means.
Alternatively, support frame as described above includes being respectively facing described tooth bar and described by the both sides of the shell of described attachment means
First plate of the formation that the described chute of opposite side radially extends, and second matching with the described chute of described opposite side
Plate, described first plate is vertical with described second plate to be connected.
Alternatively, described fixed support also includes the fixed -piping for being connected, described fixed -piping with described delivery pipe
The connecting pipe towards described delivery pipe extended including installation orifice plate and by this installation orifice plate, described installation orifice plate is fixed on one
Between described side plate, described connecting pipe is connected to described delivery pipe by fixing pipe clamp.
Alternatively, described equipment also includes portable shelf, and described portable shelf includes mobile division and by this mobile division court respectively
The connecting portion extending to outside chute described in a pair, the outside of chute described in a pair be respectively formed with multiple spaced apart for
The installing hole of fixing described connecting portion.
The beneficial effect of the disclosure is：When needing the delivery pipe of cleaning blocking, equipment is passed through fixed support and needs
The mouth of pipe of the delivery pipe of cleaning connects.Now, the second drive mechanism drives bit, the brill of the first drive mechanism propulsion rotation
Head steps in delivery pipe for clearance, and the drill bit going forward one by one constantly cuts the concrete being set in delivery pipe, thus
Disintegrate the concrete being set in conveying pipeline, concrete is flowed into outside the mouth of pipe, to reach the purpose of dredging pipeline.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Brief description
Accompanying drawing is used to provide further understanding of the disclosure, and constitutes the part of specification, with following tool
Body embodiment is used for explaining the disclosure together, but does not constitute restriction of this disclosure.In the accompanying drawings：
Fig. 1 is the structure chart of the angle of delivery pipe cleaning equipment that the disclosure provides.
Fig. 2 is the profile of Fig. 1.
Fig. 3 is the structure chart of another angle of delivery pipe cleaning equipment.
Description of reference numerals
1 delivery pipe 2 drill bit
21 delivery port 3 attachment means
31 shell 311 water inlet connection
32 first paragraph 33 second segment
4 push rod 5 motor
51 drive shaft 6 driving handle
7 fixed plate 71 side plate
72 chute 722 installing hole
8 gear 9 tooth bar
101 first plate 102 second plate
20 fixed -piping 201 installs orifice plate
202 connecting pipe 30 fixes pipe clamp
40 portable shelf 401 connecting portion
402 mobile division 50 water stream channel
41 bearing pin 10 securing member
61 clamp nuts
Specific embodiment
It is described in detail below in conjunction with accompanying drawing specific embodiment of this disclosure.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explains the disclosure, is not limited to the disclosure.
As shown in Figure 1 to Figure 3, the disclosure provides a kind of delivery pipe cleaning equipment, including for the mouth of pipe phase with delivery pipe 1
Fixed support even, it is installed to described support bracket fastened first drive mechanism and the second drive mechanism, described second drive mechanism
For being connected with drill bit 2 and can be used for drive drill bit 2 to rotate, the first drive mechanism is used for driving the second drive mechanism and drill bit 2
Slide axially along described fixed support, so that drill bit 2 is screwed in described delivery pipe 1.
When needing delivery pipe 1 pipeline of cleaning blocking, directly the front end of pipeline can be removed, then pass through fixed support
This equipment is connected to delivery pipe 1 by the mouth of pipe being connected to delivery pipe 1, all removes without by whole delivery pipe 1, save time province
Power.After so equipment installs, the second drive mechanism can drive bit, and the first drive mechanism is then by the drill bit of rotation
2 are advanced in pipeline for clearance, and during drill bit 2 is screwed in delivery pipe 1, the drill bit 2 going forward one by one constantly cuts and coagulates
Gu the concrete in delivery pipe 1, thus the concrete being set in the pipeline of delivery pipe 1 that disintegrates, by concrete with drill bit 2
Helix be discharged to outside the mouth of pipe, to reach the purpose of dredging pipeline.This equipment equally can be placed into ground, by delivery pipe 1
It is fixed on fixed support.Wherein, support bracket fastened axial direction is the central axial direction of drill bit 2.
Further, for the pipeline of more preferable faster dredge blockage, as shown in Fig. 2 the second drive mechanism include for
Connect the first drive mechanism and support bracket fastened attachment means 3, the shell 31 of this attachment means 3 is formed with water inlet connection 311,
Drill bit 2 end is formed with delivery port 21, is formed with connection water inlet connection 311 and delivery port 21 between attachment means 3 and drill bit 2
Water stream channel 50.
So, when the drill bit 2 screwing in is contacted with concrete, water stream channel 50 starts the delivery port 21 near drill bit 2
Water spray constantly lubrication, cooling drill bit 2, and clean the concrete being set in delivery pipe 1, reduce the adhesive force of concrete, thus
Disintegrate solidification concrete in the duct, and the concrete getting out, in the presence of current, can quickly move through the spiral of drill bit 2
Line is discharged to outside the mouth of pipe, thus improving dredging efficiency.Wherein it is possible to the water under high pressure or external being rinsed by pumping equipment itself
Water under high pressure be passed into water inlet connection 311, it is wet dilute that the concrete that drill bit 2 is got out passes through water under high pressure.
Specifically, as shown in Fig. 2 attachment means 3 are internal includes connecting bushing, this connecting bushing includes the arrangement in ladder
First paragraph 32 and second segment 33, the end of the second drive mechanism includes driving means, is formed with and driving means in first paragraph 32
The keyway that matches of drive shaft 51, second segment 33 is connected with water inlet connection 311.
That is, first paragraph 32 and drive shaft 51 by bonded so that drive shaft 51 can drive first paragraph 32 and second segment
33 rotation.And water inlet is formed with the periphery of second segment 33, the water being flowed into by water inlet connection 311 can pass through water inlet
It is passed to second segment 33, and then is flowed into water stream channel 50, finally sprayed by drill bit 2 delivery port 21.
In addition, the inside of delivery pipe 1, in the present embodiment, second can be deep into enough in order to ensure drill bit 2
Drive mechanism also includes push rod 4, and this push rod 4 is detachably connected between drill bit 2 and attachment means 3.Specifically, push rod 4 exists
Drive drill bit 2 to rotate under the drive of second segment 33, and push rod 4 can be detachably connected to this second segment 33 by bearing pin 41
And drill bit 2 between.So, the length according to delivery pipe 1 for clearance, can be increased the joint number of drill bit 2, reach removing pipe with segmentation
The purpose in road, and easy to operate.
In the present embodiment, driving means can be motor 5, drive the rotation of drill bit 2 using drive shaft 51.?
In other embodiment, driving means can also be hydraulic motor, the liquid being provided pumping equipment hydraulic pump by conduit under fluid pressure
Hydraulic fluid oil is linked on the hydraulic motor of this equipment to drive the rotation of drill bit 2.
As depicted in figs. 1 and 2, in the present embodiment, the first drive mechanism includes driving handle 6 and transmission device, drives
Fixed handle 6 is pivotally connected to fixed support, and transmission device is connected to the shell 31 of the attachment means 3 of the first drive mechanism,
Drill bit 2 is coaxially connected with attachment means 3, and driving handle 6 driving transmission device is to drive drill bit 2 along the axial movement of delivery pipe 1.
This attachment means 3 and attachment means mentioned above are a device.
Specifically, as shown in figure 3, fixed support includes between delivery pipe 1 and symmetrically arranged a pair of fixed plate 7,
This fixed plate 7 includes the chute 72 of vertical runs and the side plate 71 being connected to this chute 72 inner side, and transmission device includes mutually nibbling
The gear 8 closing and tooth bar 9, tooth bar 9 is slideably mounted in the chute 72 of side, and connects away from one end of delivery pipe 1
To the shell 31 of attachment means 3, gear 8 is installed to the side plate 71 of side by securing member 10, and driving handle 6 is fixed to securing member
10 end, drives drill bit 2 along the axial movement of delivery pipe 1 with driving gear 8 and tooth bar 9 transmission.Wherein, the inner side of chute 72
Refer to close to the side of delivery pipe 1, outside is then the one end away from delivery pipe.
That is, control the rotation with moving gear 8 for the driving handle 6 so that tooth bar 9 slides in chute 72 by operating personnel,
Tooth bar 9 can drive the mobile concrete cutting solidification with this that goes forward one by one of drill bit 2, and operating personnel can during dredging
Drill bit 2 can be controlled to go forward one by one speed by the rotating speed of driving handle 6.After the pipeline of delivery pipe 1 is dredged, impulse stroke is tied
Bundle, drill bit 2 starts to exit, and closes driving means, is rotated in reverse direction by driving handle 6 driving gear 8, and tooth bar 9 is then along far
Move from the direction of delivery pipe 1 and exit drill bit 2, clear up remnants simultaneously and be attached to the concrete on drill bit 2.Wherein, drive hand
Handle 6 is locked at the end away from side plate 71 of securing member 10 by locking nut 61.
In order to realize the second drive mechanism towards the axial movement of delivery pipe 1, as shown in figure 3, in the present embodiment, even
The shell 31 of connection device 3 is connected to tooth bar 9 by bracing frame one end, and the other end is slidably connected to the chute 72 of opposite side
Interior, tooth bar 9 is driven to drive the movement of attachment means 3.
Specifically, bracing frame includes being respectively facing the chute of tooth bar 9 and opposite side by the both sides of the shell 31 of attachment means 3
First plate 101 of 72 formation radially extending, and the second plate 102 matching with the chute 72 of opposite side, the first plate 101
One end and the second plate 102 vertically connect.The other end of the first plate 101 is connected with tooth bar 9, and is located at two of a pair of fixed plate 7
The top of chute 72, it is ensured that attachment means 3 can move with the transmission of tooth bar 9, drives the second plate 102 can slide with this
Slide in groove 72.
In order to fix the mouth of pipe of this equipment and delivery pipe 1, specifically, in the present embodiment, fixed support also includes
For the fixed -piping 20 being connected with delivery pipe 1, fixed -piping 20 includes installing orifice plate 201 and by this installation orifice plate 201 court
The connecting pipe 202 extending to delivery pipe 1, installs orifice plate 201 and is fixed between a pair of side plates 71, connecting pipe 202 passes through solid
Fixed tube card 30 is connected to delivery pipe 1.Wherein, delivery pipe 1 can pass through and install orifice plate 201, and can pass through connecting pipe 202
The axiality that connect, by fixing pipe clamp 30 connection and simultaneously keep two pipelines relative with the mouth of pipe of delivery pipe 1, so that drill bit 2
Successfully it is screwed into the center of delivery pipe 1.
The carrying of equipment for convenience, as shown in figures 1 and 3, equipment also includes portable shelf 40, and portable shelf 40 includes portable
Portion 402 and the connecting portion 401 being respectively facing the outside extension of a pair of chute 72 by this mobile division 402, the outside of a pair of chute 72
It is respectively formed with multiple spaced apart installing holes 722 for being fixedly connected portion 401.So, this cleaning equipment can be more
It is easy to carry, simultaneously easy for installation, not only can install onboard, can also be attached on ground, easy and simple to handle, efficiency high.
Can arbitrarily be changed according to actual conditions for the installation site of portable shelf 40 simultaneously and be arranged in multiple installing holes 722.
To sum up, the disclosure provides a kind of delivery pipe cleaning equipment, and this equipment passes through the first drive mechanism and the second driving machine
The cooperation of structure makes drill bit be screwed in delivery pipe to carry out to clear up the pipeline of dredge blockage, and the drill bit going forward one by one constantly cuts solidification
Concrete in delivery pipe, thus the concrete being set in conveying pipeline that disintegrates, concrete is flowed into outside the mouth of pipe, with
Reach the purpose of dredging pipeline.
Describe the preferred embodiment of the disclosure above in association with accompanying drawing in detail, but, the disclosure is not limited to above-mentioned reality
Apply the detail in mode, in the range of the technology design of the disclosure, multiple letters can be carried out with technical scheme of this disclosure
Monotropic type, these simple variant belong to the protection domain of the disclosure.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the disclosure to various can
The combination of energy no longer separately illustrates.
Additionally, can also be combined between the various different embodiment of the disclosure, as long as it is without prejudice to this
Disclosed thought, it equally should be considered as disclosure disclosure of that.
Claims (10)
1. a kind of delivery pipe cleaning equipment it is characterised in that include for be connected with the mouth of pipe of delivery pipe (1) fixed support,
It is installed to described support bracket fastened first drive mechanism and the second drive mechanism, described second drive mechanism is used for and drill bit (2)
Connect and can be used for drive described drill bit (2) to rotate, described first drive mechanism is used for driving described second drive mechanism and institute
State drill bit (2) to slide axially along described fixed support, so that described drill bit (2) is screwed in described delivery pipe (1).
2. equipment according to claim 1 is it is characterised in that described second drive mechanism is included for connecting described first
Drive mechanism and described support bracket fastened attachment means (3), the shell (31) of this attachment means (3) is formed with water inlet connection
(311), described drill bit (2) end is formed with delivery port (21), is formed between described attachment means (3) and described drill bit (2)
Connect the water stream channel (50) of described water inlet connection (311) and described delivery port (21).
3., it is characterised in that including connecting bushing inside described attachment means (3), this is even for equipment according to claim 2
Spindle set includes the first paragraph (32) of arrangement and second segment (33) in ladder, and the end of described second drive mechanism includes driving dress
Put, in described first paragraph (32), be formed with the keyway matching with the drive shaft (51) of described driving means, described second segment
(33) it is connected with described water inlet connection (311).
4. equipment according to claim 2 is it is characterised in that described second drive mechanism also includes push rod (4), this push rod
(4) it is detachably connected between described drill bit (2) and described attachment means (3).
5. equipment according to claim 1 is it is characterised in that described first drive mechanism includes driving handle (6) and passes
Dynamic device, described driving handle (6) is pivotally connected to described fixed support, and described transmission device is connected to described first drive
The shell (31) of the attachment means (3) of motivation structure, described drill bit (2) is coaxially connected with described attachment means (3), described driving hand
Handle (6) drives described transmission device to drive described drill bit (2) along the axial movement of described delivery pipe (1).
6. equipment according to claim 5 it is characterised in that described fixed support include positioned at described delivery pipe (1) it
Between and symmetrically arranged a pair of fixed plate (7), the chute (72) of this fixed plate (7) include vertical runs and be connected to this chute
(72) side plate (71) inside, described transmission device includes pitch wheel (8) and tooth bar (9), and described tooth bar (9) can slide
It is installed in the described chute (72) of side dynamicly, and be connected to described attachment means away from one end of described delivery pipe (1)
(3) shell (31), described gear (8) is installed to the described side plate (71) of side, described driving handle by securing member (10)
(6) it is fixed to the end of described securing member (10), to drive described gear (8) and described tooth bar (9) transmission to drive described drill bit
(2) along the axial movement of described delivery pipe (1).
7. equipment according to claim 6 is it is characterised in that the shell (31) of described attachment means (3) passes through bracing frame
One end is connected to described tooth bar (9), and the other end is slidably connected in the described chute (72) of opposite side, described tooth bar (9)
Transmission is to drive the movement of described attachment means (3).
8. equipment according to claim 7 is it is characterised in that support frame as described above is included outside by described attachment means (3)
The both sides of shell (31) are respectively facing the first of the formation that the described chute (72) of described tooth bar (9) and described opposite side radially extends
Plate (101), and the second plate (102) matching with the described chute (72) of described opposite side, described first plate (101) and institute
State the vertical connection of the second plate (102).
9. equipment according to claim 6 it is characterised in that described fixed support also include for described delivery pipe
(1) fixed -piping (20) connecting, described fixed -piping (20) includes installing orifice plate (201) and by this installation orifice plate (201)
The connecting pipe (202) extending towards described delivery pipe (1), described installation orifice plate (201) is fixed on side plate described in a pair (71)
Between, described connecting pipe (202) is passed through fixing pipe clamp (30) and is connected to described delivery pipe (1).
10. equipment according to claim 6 is it is characterised in that described equipment also includes portable shelf (40), described portable shelf
(40) include mobile division (402) and be respectively facing, by this mobile division (402), the connection extending outside chute described in a pair (72)
Portion (401), the outside of chute described in a pair (72) be respectively formed with multiple spaced apart for fixing described connecting portion (401)
Installing hole (722).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610798357.8A CN106391600B (en) | 2016-08-31 | 2016-08-31 | Delivery pipe cleaning equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610798357.8A CN106391600B (en) | 2016-08-31 | 2016-08-31 | Delivery pipe cleaning equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106391600A true CN106391600A (en) | 2017-02-15 |
| CN106391600B CN106391600B (en) | 2019-10-22 |
Family
ID=58001842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610798357.8A Active CN106391600B (en) | 2016-08-31 | 2016-08-31 | Delivery pipe cleaning equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106391600B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030070A (en) * | 2017-04-12 | 2017-08-11 | 天津市锐泰精密模具有限公司 | A kind of pipeline high-pressure rubber pipe whirler |
| CN109304336A (en) * | 2018-11-09 | 2019-02-05 | 中国建筑第八工程局有限公司 | Concrete delivery pump pipe Quick dredging and cleaning plant |
| CN111282927A (en) * | 2020-02-11 | 2020-06-16 | 重庆市潼南区百重泉环保科技有限公司 | Pipeline dredging equipment capable of being positioned and using method |
| CN112354987A (en) * | 2020-10-14 | 2021-02-12 | 国网山东省电力公司潍坊供电公司 | Pipe well dredging device |
| CN114433572A (en) * | 2022-02-14 | 2022-05-06 | 王生玮 | Pipeline cleaning device for water supply and drainage |
| WO2023004735A1 (en) * | 2021-07-30 | 2023-02-02 | 上海城建物资有限公司 | Method and apparatus for cleaning concrete conveying pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107030070A (en) * | 2017-04-12 | 2017-08-11 | 天津市锐泰精密模具有限公司 | A kind of pipeline high-pressure rubber pipe whirler |
| CN107030070B (en) * | 2017-04-12 | 2019-02-05 | 天津市锐泰精密模具有限公司 | A kind of pipeline high-pressure rubber pipe whirler |
| CN109304336A (en) * | 2018-11-09 | 2019-02-05 | 中国建筑第八工程局有限公司 | Concrete delivery pump pipe Quick dredging and cleaning plant |
| CN111282927A (en) * | 2020-02-11 | 2020-06-16 | 重庆市潼南区百重泉环保科技有限公司 | Pipeline dredging equipment capable of being positioned and using method |
| CN112354987A (en) * | 2020-10-14 | 2021-02-12 | 国网山东省电力公司潍坊供电公司 | Pipe well dredging device |
| WO2023004735A1 (en) * | 2021-07-30 | 2023-02-02 | 上海城建物资有限公司 | Method and apparatus for cleaning concrete conveying pipe |
| CN114433572A (en) * | 2022-02-14 | 2022-05-06 | 王生玮 | Pipeline cleaning device for water supply and drainage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106391600B (en) | 2019-10-22 |
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Address after: 102206 North of Laoniuwan Village, Shayang Road, Shahe Town, Changping District, Beijing Applicant after: Beiqi Futian Automobile Co., Ltd. Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Applicant before: Beiqi Futian Automobile Co., Ltd. |
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Effective date of registration: 20201009 Address after: No.202 Xuanfu street, Xuanhua District, Zhangjiakou, Hebei Province Patentee after: Hebei Leisa Heavy Construction Machinery Co., Ltd Address before: 102206, Beijing, Shahe, Changping District Town, Sha Yang Road, Lao Wan Village North Patentee before: BEIQI FOTON MOTOR Co.,Ltd. |
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