CN116713223A - Sectional type flexible scraper tunnel cleaning device - Google Patents
Sectional type flexible scraper tunnel cleaning device Download PDFInfo
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- CN116713223A CN116713223A CN202310793727.9A CN202310793727A CN116713223A CN 116713223 A CN116713223 A CN 116713223A CN 202310793727 A CN202310793727 A CN 202310793727A CN 116713223 A CN116713223 A CN 116713223A
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- cutter head
- rocker arm
- spring
- arm
- tunnel
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- 238000004140 cleaning Methods 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 6
- 230000007306 turnover Effects 0.000 claims description 43
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 239000013535 sea water Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012636 effector Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/006—Arrangements or methods for cleaning or refurbishing water conduits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/04—Methods or installations for obtaining or collecting drinking water or tap water from surface water
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Environmental & Geological Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The disclosure belongs to the technical field of nuclear power, and particularly relates to a sectional type flexible scraper tunnel cleaning device. In the method, under the condition that the rotating mechanism drives the eccentric wheel to rotate, the plurality of cutter head rocker arm sheets are driven to synchronously move through the transmission rod, the blades positioned at the protruding parts of the cutter head rocker arm sheets firstly move towards the inner wall of the tunnel, and attachments attached to the outer layer of the inner wall of the tunnel are scraped and cut, and retract under the driving of the rocker arms; in the process of retracting the blade positioned at the protruding part of the cutter head rocker arm piece, the blade positioned at the upper end of the cutter head rocker arm piece moves towards the inner wall of the tunnel and scrapes and cuts attachments on the inner layer deeper, and then retracts under the driving of the rocker arm, so that the rocker arm drives the cutter head rocker arm piece to form reciprocating planing hoe type action under the driving of the swing mechanism, each reciprocating motion can clear attachments at different depths twice, and the cleaning efficiency of the tunnel is greatly improved.
Description
Technical Field
The invention belongs to the technical field of nuclear power, and particularly relates to a sectional type flexible scraper tunnel cleaning device.
Background
The blockage of the seawater intake culvert pipe of the nuclear power plant can reduce the water diversion speed, and the blockage can cause tripping of a circulating pump, loss of a heat trap of a unit, shutdown and even shutdown of a reactor, so that the seawater intake culvert pipe of the nuclear power plant is ensured to be unobstructed by periodically cleaning the seawater intake culvert pipe of the nuclear power plant.
At present, the cleaning work of the inner wall of the water taking culvert pipe is mainly manual cleaning, and the manual operation has the following problems: 1) The environment is bad, and the operation intensity is high; 2) Industrial safety problems; 3) The operation efficiency is low.
To sum up, the clearance of nuclear power station water intaking culvert pipe inner wall, the urgent need reduces personnel's personal safety and working risk to promote the efficiency of clearance work.
Disclosure of Invention
In order to overcome the problems in the related art, the sectional type flexible scraper tunnel cleaning device is provided.
According to an aspect of the disclosed embodiments, there is provided a segmented flexible scraper tunnel cleaning device, the device comprising: the scraper comprises a turnover arm adapter plate, a scraper bottom plate, a plurality of turnover arm springs, a plurality of cutter head rocker arm sheets, a plurality of cutter holders, a plurality of blades and rocker arms;
the rocker arm comprises an eccentric wheel and a transmission rod, the turnover arm adapter plate comprises an L-shaped protruding structure and a connecting plate, the axle center of the eccentric wheel is connected with the rotary mechanism through a shaft, one end of the transmission rod is fixedly connected to a first position at the edge of the eccentric wheel, the other end of the transmission rod is connected with one end of the protruding structure through a turnover arm rotating shaft, and the other end of the protruding structure is fixedly connected with the connecting plate;
one end of each folding arm spring is fixedly connected to a second position, different from the first position, of the edge of the eccentric wheel, and the other end of each folding arm spring is fixedly connected to a position, located between the bending position of the protruding structure and the eccentric wheel, of the protruding structure;
the scraper bottom plate is opposite to the turnover arm adapter plate, the scraper bottom plate is connected with a connecting plate shaft of the turnover arm adapter plate, the bottom end of each cutter head spring base is fixedly connected with the upper end of the scraper bottom plate, each cutter head spring base is arranged between the head scraper bottom plate and the turnover arm adapter plate in parallel, the bottom end of each cutter head rocker arm sheet is fixedly connected with the bottom end of the scraper bottom plate, an included angle between each cutter head rocker arm sheet and the scraper bottom plate forms an acute angle, each cutter head rocker arm sheet is arranged in parallel, each cutter head rocker arm sheet is opposite to one cutter head spring base, and one cutter head spring is fixedly connected between the upper ends of each two opposite cutter head rocker arm sheets and the upper ends of the cutter head spring base;
for each cutter head rocker arm, the top end of the cutter head rocker arm is connected with a blade, a protruding part is arranged at the position between the two ends of the cutter head rocker arm, the top end of the protruding part is connected with a blade through a cutter rest, and the included angle between the blade and the cutter head rocker arm is adjustable.
In a possible implementation manner, for each tool bit rocker arm piece, the upper end of the tool bit rocker arm piece and the protruding part are provided with first bolt holes, the upper end of the tool bit rocker arm piece is connected with the corresponding tool rest through a rocker arm piece front fixing shaft, the protruding part of the tool bit rocker arm piece is also connected with the corresponding tool rest through a rocker arm piece front fixing shaft, a plurality of second bolt holes are evenly surrounded on each tool rest by taking the rocker arm piece front fixing shaft as the center, each second bolt hole of each tool rest can be opposite to the first bolt hole of the corresponding shaft connection part on the tool bit rocker arm piece, the tool rest is fixed with the tool bit rocker arm piece through bolt fastening in an adapting manner, and when different second bolt holes on the tool rest are opposite to the first bolt holes, the included angles between the blades connected with the tool bit rocker arm pieces are different.
In a possible implementation manner, under the condition that the rotating mechanism drives the eccentric wheel to rotate, the plurality of cutter head rocker arm pieces are driven to synchronously move through the transmission rod, the blades positioned on the protruding parts of the cutter head rocker arm pieces firstly move towards the inner wall of the tunnel, and the attachments attached to the outer layer of the inner wall of the tunnel are scraped and cut off and retract under the driving of the rocker arms;
in the process of retracting the blade positioned at the protruding part of the blade rocker arm, the blade positioned at the upper end of the blade rocker arm moves towards the inner wall of the tunnel, scrapes and cuts attachments on the inner layer deeper, and then retracts under the drive of the rocker arm.
In one possible implementation manner, the cutter head spring and the turnover arm spring are in an uncompressed state under the condition that the sectional type flexible scraper tunnel cleaning device is not stressed;
when the cutter head contacts the wall surface and continuously pushes the cutter head towards the wall surface, the cutter head spring gives reverse pushing force to the cutter head, so that the cutter head contacts the wall surface more tightly;
under the condition that the cutter head encounters excessively hard attachments or touches the inner wall of the tunnel, the cutter head is pushed by the wall surface direction to drive the cutter head spring to compress, and after the cutter head spring is completely compressed, the turnover arm adapter plate pushes the turnover arm spring to compress. The tuck arm spring begins to compress rearward.
In one possible implementation, the encoder is mounted on the eccentric by a plate limit mask for detecting the blade rotation angle.
In one possible implementation manner, the scraper bottom plate is connected to the turnover arm adapter plate through a rotating shaft and a bushing, a plurality of tension springs are connected between the connecting plate and the scraper bottom plate, and each tension spring is connected with the connecting plate and the scraper bottom plate through a tension spring base respectively.
In one possible implementation, the turnover arm spring and the bit spring are nitrogen springs.
The beneficial effects of the present disclosure are: the invention mainly aims at the problems, and develops the end effector for the automatic sewage disposal equipment of the water taking culvert pipeline, which can be used for cleaning marine organisms on the inner wall of a tunnel.
1. The self-adaptation is realized, the cutter head of the device is always attached to the inner wall of a tunnel in the running process, in one application example, the radial self-adaptation capacity of the device is 150mm, and the whole cutter head can swing in a small range, so that the cutter head can adapt to irregular change of the shape of the inner wall of a water taking culvert pipe, and the dirt cleaning effect is ensured;
2. environmental suitability, design two-layer tool bit, but cut in angle manual regulation, select suitable cutting angle according to different tunnel structure sizes, select for use main sword, vice sword, satisfy the requirement of decontaminating, realize the tool bit through the extension spring and swing in tunnel axial direction, satisfy the requirement of decontaminating such as bend
3. Safety, two-stage safety redundancy design, self-adaptation adjustment guarantees that tool bit pressure is in the safe range under any operating mode.
In addition, compare the mode of manual cleaning, adopt the automatic equipment of decontaminating of water intaking culvert pipeline can avoid personnel semi-closed environment operation, greatly reduced personnel's security risk, improved operating efficiency and stability simultaneously. The device disclosed by the invention has the advantages of simple integral structure, good reliability, rapidness and convenience in installation, stability and reliability in installation, capability of being used for all nuclear power units and wide application prospect.
The invention is applicable to all nuclear power units and has high economic value.
Drawings
Fig. 1 is a perspective view of a segmented flexible scraper tunnel cleaning device, according to an exemplary embodiment.
Fig. 2 is a schematic diagram illustrating a sectional flexible scraper tunnel cleaning device in use according to an exemplary embodiment.
In the figure:
1-a turnover arm adapter plate, 100-a protruding structure, 101-a connecting plate, 2-a scraper bottom plate, 3-a tension spring base,
4-a cutter head spring base, 5-a turnover arm spring, 6-a cutter head spring, 7-a cutter head rocker arm sheet, 8-a cutter rest,
9-blade, 10-tension spring, 11-bushing, 12-small bushing, 13-rocker arm front fixed shaft,
the scraper comprises a scraper bottom plate rotating shaft, a rocker arm, an eccentric wheel, a driving rod, a first spring support, a limit mask, an encoder, a turnover arm rotating shaft and a second spring support, wherein the scraper bottom plate rotating shaft is 14-15-rocker arm, the eccentric wheel is 150-151-driving rod, the first spring support is 16-limit mask, the encoder is 18-limit mask, the turnover arm rotating shaft is 19-20-second spring support.
Detailed Description
The invention will be described in further detail with reference to the accompanying drawings and specific examples.
FIG. 1 is a perspective view of a segmented flexible scraper tunnel cleaning device, as shown in FIG. 1, according to an exemplary embodiment, comprising: the scraper blade comprises a turnover arm adapter plate 1, a scraper bottom plate 2, a tension spring base 3, a cutter head spring base 4, a turnover arm spring 5, a cutter head spring 6, a cutter head rocker arm sheet 7, a cutter rest 8, a cutter blade 9, a tension spring 10, a bushing 11, a small bushing 12, a rocker arm sheet front fixed shaft 13, a rotating shaft 14, a rocker arm 15, a first spring support 16, a limit mask sheet 17, an encoder 18, a turnover arm rotating shaft 19, a second spring support 20 and a turnover arm adapter plate movable hinge 21.
Fig. 2 is a schematic diagram of a sectional type flexible scraper tunnel cleaning device in a use state according to an exemplary embodiment, and referring to fig. 1 and 2, a rocker arm 15 includes an eccentric wheel 150 and a transmission rod 151, a turnover arm adapter plate 1 includes an L-shaped protrusion structure 100 and a connection plate 101, an axis center of the eccentric wheel 150 is axially connected with a rotation mechanism (not shown in the figure), one end of the transmission rod 151 is fixedly connected at a first position of an edge of the eccentric wheel 150, the other end of the transmission rod 151 is axially connected with one end of the protrusion structure 100 through a turnover arm rotating shaft 19, and the other end of the protrusion structure 100 is fixedly connected with the connection plate 101.
One end of the folding arm spring 5 is fixedly connected to a second position (the second position is different from the first position) of the edge of the eccentric wheel 150, and the other end of the folding arm spring 5 can be fixedly connected to the protrusion structure 100 through the first spring support 16 at a position between the bending position of the protrusion structure and the eccentric wheel 150.
The scraper bottom plate 2 is opposite to the turnover arm adapter plate 1, and the scraper bottom plate 2 is connected with the connecting plate 101 of the turnover arm adapter plate 1 through a scraper bottom plate rotating shaft in a shaft mode. The bottom of each cutter head spring base 4 is fixedly connected with the upper end of the scraper bottom plate 2, each cutter head spring base 4 is arranged between the head scraper bottom plate 2 and the turnover arm adapter plate 1 in parallel, the bottom of each cutter head rocker arm sheet 7 is fixedly connected with the bottom of the scraper bottom plate 2, an included angle between each cutter head rocker arm sheet 7 and the scraper bottom plate 2 forms an acute angle, each cutter head rocker arm sheet 7 is arranged in parallel, and each cutter head rocker arm sheet 7 is opposite to one cutter head spring base 4. A cutter head spring 6 is fixedly connected between the upper ends of the cutter head rocker arm sheets 7 and the upper ends of the cutter head spring bases 4 which are opposite to each other.
For each cutter head rocker arm 7, the top end of the cutter head rocker arm 7 is connected with a blade 9, a protruding part is arranged at a position between two ends of the cutter head rocker arm 7, the top end of the protruding part is connected with the blade 9 through a cutter rest 8, and an included angle between the blade 9 and the cutter head rocker arm 7 is adjustable.
For example, for each tool bit rocker arm 7, the upper end and the protruding portion of the tool bit rocker arm 7 are provided with first bolt holes, the upper end of the tool bit rocker arm 7 is connected with the corresponding tool holder 8 through a rocker arm front fixing shaft 13 in a shaft manner, the protruding portion of the tool bit rocker arm 7 is also connected with the corresponding tool holder 8 through a rocker arm front fixing shaft 13 in a shaft manner (a small bushing 12 can be covered outside each rocker arm front fixing shaft 13), a plurality of second bolt holes uniformly surround the end portion of the rocker arm front fixing shaft 13 as a center on each tool holder 8, each second bolt hole of each tool holder 8 can be opposite to the first bolt hole of the corresponding shaft connection portion on the tool bit rocker arm 7, the tool holder 8 and the tool bit rocker arm 7 are fixed through bolt fastening in an adaptive manner, and when different second bolt holes on the tool holder 8 are opposite to the first bolt holes, the included angles between the blades 9 connected with the tool holder 8 and the tool bit rocker arm 7 are different. The number and spacing of the second bolt holes can be set according to the need for blade angle in the actual cleaning process.
In one possible implementation, as shown in fig. 2, the angle between the blade 9 and the cutter head rocker arm 7 may be adjusted in advance before the device is operated, so as to ensure that the blade 9 cuts into the attachment on the inner wall of the tunnel at the most appropriate angle.
Under the condition of device operation, the rotation mechanism drives the eccentric wheel 150 to continuously rotate, the transmission rod 151 drives the plurality of cutter head rocker arm pieces 7 to synchronously move, the cutter blades 9 positioned at the protruding parts of the cutter head rocker arm pieces 7 and the cutter blades 9 positioned at the top ends of the cutter head rocker arm pieces 7 sequentially move towards the inner wall of the tunnel, the cutter blades 9 positioned at the protruding parts of the cutter head rocker arm pieces 7 firstly contact attachments on the inner wall of the tunnel, at the moment, the cutter head springs 6 and the tension springs 10 are pre-pressed, so that the cutter blades 9 radially cling to the inner wall of the tunnel and circumferentially rotate to scrape attachments attached to the outer layer of the inner wall of the tunnel, then the cutter blades 9 positioned at the protruding parts of the cutter head rocker arm pieces 7 retract under the driving of the rocker arm pieces 15, the cutter blades 9 contact and deeply scrape attachments on the inner layer of the tunnel, and retract under the driving of the rocker arm pieces 15, and thus, the cutter head rocker arm pieces 7 are driven by the rotation mechanism to form reciprocating hoe type actions, and the attachments can be scraped at different depths in two times, so that the attachments can be cleaned more thoroughly, and the tunnel can be cleaned up more than the tunnel.
In addition, the sectional type flexible scraper tunnel cleaning device is in a natural state without compression under the condition of no stress, and the cutter head spring 6 and the turnover arm spring 5 are in a natural state. When the blade 9 contacts the wall surface and continues to push towards the wall surface, the blade 9 is pushed reversely by the cutter head spring 6, so that the blade 9 is in closer contact with the wall surface, and the scraping and cutting of the attachments adhered to the outer layer of the inner wall of the tunnel are facilitated.
Under the condition that the blade 9 encounters excessively hard attachments or touches the inner wall of a tunnel, the blade 9 is pushed by the wall surface direction to drive the cutter head spring 6 to compress, and when the cutter head spring 6 is completely compressed, the turnover arm adapter plate 1 pushes the turnover arm spring 5 to compress. The turnover arm spring 5 starts to compress backward. Effectively prevent blade 9 damage and blade 9 to the damage of tunnel inner wall, guarantee safe and reliable in the radial flexible adjustment stroke.
In one possible implementation, encoder 18 is mounted on eccentric 150 via 2 limit masks 17 for detecting the blade rotation angle.
The scraper bottom plate 2 is connected with the turnover arm adapter plate 1 through a rotating shaft 14, a bushing 11 is sleeved outside the rotating shaft 14, a plurality of tension springs 10 are connected between the connecting plate 101 and the scraper bottom plate 2, and each tension spring 10 is respectively connected with the connecting plate 101 and the scraper bottom plate 2 through a tension spring base 3, so that flexibility of a tool bit part of the sectional type flexible scraper tunnel cleaning device in the left-right direction is realized.
The 6 blades 9 are fixed on the 6 tool rests 8 through bolts, every 2 blades 9 and the tool rests 8 are fixed through 2 cutter head rocker arms 7 and a rocker arm fixing shaft 13, and the tail end of the cutter head rocker arm 7 is fixed on the cutter head spring base 4 through shaft position bolts and a small bushing 12.
The sectional type flexible scraper tunnel cleaning device of the present disclosure has the following characteristics:
1. the self-adaptation is realized, the cutter head of the device is always attached to the inner wall of a tunnel in the running process, in one application example, the radial self-adaptation capacity of the device is 150mm, and the whole cutter head can swing in a small range, so that the cutter head can adapt to irregular change of the shape of the inner wall of a water taking culvert pipe, and the dirt cleaning effect is ensured;
2. environmental suitability, design two-layer tool bit, but cut in angle manual regulation, select suitable cutting angle according to different tunnel structure sizes, select for use main sword, vice sword, satisfy the requirement of decontaminating, realize the tool bit through the extension spring and swing in tunnel axial direction, satisfy the requirement of decontaminating such as bend
3. Safety, two-stage safety redundancy design, self-adaptation adjustment guarantees that tool bit pressure is in the safe range under any operating mode.
It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The foregoing description of the embodiments of the present disclosure has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.
Claims (7)
1. A segmented flexible scraper tunnel cleaning device, the device comprising: the scraper comprises a turnover arm adapter plate, a scraper bottom plate, a plurality of turnover arm springs, a plurality of cutter head rocker arm sheets, a plurality of cutter holders, a plurality of blades and rocker arms;
the rocker arm comprises an eccentric wheel and a transmission rod, the turnover arm adapter plate comprises an L-shaped protruding structure and a connecting plate, the axle center of the eccentric wheel is connected with the rotary mechanism through a shaft, one end of the transmission rod is fixedly connected to a first position at the edge of the eccentric wheel, the other end of the transmission rod is connected with one end of the protruding structure through a turnover arm rotating shaft, and the other end of the protruding structure is fixedly connected with the connecting plate;
one end of each folding arm spring is fixedly connected to a second position, different from the first position, of the edge of the eccentric wheel, and the other end of each folding arm spring is fixedly connected to a position, located between the bending position of the protruding structure and the eccentric wheel, of the protruding structure;
the scraper bottom plate is opposite to the turnover arm adapter plate, the scraper bottom plate is connected with a connecting plate shaft of the turnover arm adapter plate, the bottom end of each cutter head spring base is fixedly connected with the upper end of the scraper bottom plate, each cutter head spring base is arranged between the head scraper bottom plate and the turnover arm adapter plate in parallel, the bottom end of each cutter head rocker arm sheet is fixedly connected with the bottom end of the scraper bottom plate, an included angle between each cutter head rocker arm sheet and the scraper bottom plate forms an acute angle, each cutter head rocker arm sheet is arranged in parallel, each cutter head rocker arm sheet is opposite to one cutter head spring base, and one cutter head spring is fixedly connected between the upper ends of each two opposite cutter head rocker arm sheets and the upper ends of the cutter head spring base;
for each cutter head rocker arm, the top end of the cutter head rocker arm is connected with a blade, a protruding part is arranged at the position between the two ends of the cutter head rocker arm, the top end of the protruding part is connected with a blade through a cutter rest, and the included angle between the blade and the cutter head rocker arm is adjustable.
2. The device of claim 1, wherein for each cutter head rocker arm, the upper end of the cutter head rocker arm and the protruding part are respectively provided with a first bolt hole, the upper end of the cutter head rocker arm is connected with the corresponding cutter frame through a rocker arm front fixing shaft, the protruding part of the cutter head rocker arm is also connected with the corresponding cutter frame through a rocker arm front fixing shaft, a plurality of second bolt holes are uniformly surrounded on each cutter frame by taking the rocker arm front fixing shaft as a center, each second bolt hole of each cutter frame can be opposite to the first bolt hole of the corresponding shaft connecting part on the cutter head rocker arm, the cutter frame and the cutter head rocker arm are fixed through bolt fastening in an adapting manner, and when different second bolt holes on the cutter frame are opposite to the first bolt holes, the included angles between the blades connected by the cutter frame and the cutter head rocker arm are different.
3. The device according to claim 1, wherein when the rotating mechanism drives the eccentric wheel to rotate, the plurality of cutter head rocker arm sheets are driven to synchronously move through the transmission rod, the blades positioned on the protruding parts of the cutter head rocker arm sheets firstly move towards the inner wall of the tunnel, and the attachments attached to the outer layer of the inner wall of the tunnel are scraped and cut off, and retract under the driving of the rocker arms;
in the process of retracting the blade positioned at the protruding part of the blade rocker arm, the blade positioned at the upper end of the blade rocker arm moves towards the inner wall of the tunnel, scrapes and cuts attachments on the inner layer deeper, and then retracts under the drive of the rocker arm.
4. The device of claim 1, wherein the cutter head spring and the turnover arm spring are in an uncompressed state when the segmented flexible scraper tunnel cleaning device is in an unstressed condition;
when the cutter head contacts the wall surface and continuously pushes the cutter head towards the wall surface, the cutter head spring gives reverse pushing force to the cutter head, so that the cutter head contacts the wall surface more tightly;
under the condition that the cutter head encounters excessively hard attachments or touches the inner wall of the tunnel, the cutter head is pushed by the wall surface direction to drive the cutter head spring to compress, and after the cutter head spring is completely compressed, the turnover arm adapter plate pushes the turnover arm spring to compress, and the turnover arm spring begins to compress backwards.
5. The apparatus of claim 1, wherein the encoder is mounted on the eccentric via a sheet-stop mask for detecting the angle of rotation of the doctor blade.
6. The device of claim 1, wherein the scraper bottom plate is connected to the turnover arm adapter plate through a rotating shaft and a bushing, a plurality of tension springs are connected between the connecting plate and the scraper bottom plate, and each tension spring is connected with the connecting plate and the scraper bottom plate through a tension spring base respectively.
7. The apparatus of claim 1 wherein the turnover arm spring and the cutter head spring are nitrogen springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310793727.9A CN116713223A (en) | 2023-06-30 | 2023-06-30 | Sectional type flexible scraper tunnel cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310793727.9A CN116713223A (en) | 2023-06-30 | 2023-06-30 | Sectional type flexible scraper tunnel cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116713223A true CN116713223A (en) | 2023-09-08 |
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ID=87871443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310793727.9A Pending CN116713223A (en) | 2023-06-30 | 2023-06-30 | Sectional type flexible scraper tunnel cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116713223A (en) |
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2023
- 2023-06-30 CN CN202310793727.9A patent/CN116713223A/en active Pending
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