CN207073059U - A kind of joint cutter with cleaning device - Google Patents
A kind of joint cutter with cleaning device Download PDFInfo
- Publication number
- CN207073059U CN207073059U CN201720989177.8U CN201720989177U CN207073059U CN 207073059 U CN207073059 U CN 207073059U CN 201720989177 U CN201720989177 U CN 201720989177U CN 207073059 U CN207073059 U CN 207073059U
- Authority
- CN
- China
- Prior art keywords
- baffle plate
- normally opened
- relay
- motor
- contact switch
- 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.)
- Expired - Fee Related
Links
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model discloses a kind of joint cutter with cleaning device, it is intended to when solving to clear up the cement mortar of baffle inner wall, first to disassemble baffle plate, then be cleared up again, the problem of cleaning is inconvenient be present, its drip irrigation device is：Including frame and the cutting knife for being installed on frame, the frame, which is provided with, is covered on cutting knife and in the baffle plate of semicircle shape, the baffle plate is provided with the cleaning assemblies for being close to baffle inner wall, the baffle plate is provided with the motor that driving cleaning assemblies rotates the cement mortar for releasing baffle inner wall, in addition to is electrically connected with the control device for controlling cleaning assemblies reciprocating rotation to clean baffle inner wall with motor.A kind of joint cutter with cleaning device of the present utility model has the advantages of easy cleaning baffle inner wall.
Description
Technical field
A kind of grooving machine is the utility model is related to, more specifically, it relates to a kind of road surface joint-cutting with cleaning device
Machine.
Background technology
Joint cutter is for a kind of visual plant in road construction, is widely used in concrete, bituminous paving
In the operations such as fluting, finishing cut-out.With the fast development of road traffic industry, road grooving machine is widely used.
At present, retrieve the Chinese patent that a notification number is CN203475288U and disclose a kind of cement pavement joint-cutting
Machine, its drip irrigation device are：Including body, section, motor is provided with the body, section is connected with the output shaft of motor
Connect, water tank is provided with above the body, be provided with baffle plate in the outside of section, baffle plate is provided with water injector, on water injector
Delivery port points to section, is connected between the water tank and water injector with water pipe.
Above-mentioned cutting knife when being operated on cement pavement in order that cutting cement pavement on caused concrete grey dust not
Kick up, the water injector that cutting knife is sprayed water is installed on baffle plate, but water injector makes cement dust form cement mortar,
During cutting knife rotation work, cement mortar is brought into the presence of inertia on baffle plate madial wall, after the completion of joint cutter work
Baffle plate is cleared up in time, to prevent water mud from condensing in baffle inner wall, influences the rotation of cutting knife, when will be to baffle inner wall
Cement mortar when being cleared up, first baffle plate to be disassembled, then cleared up again, the problem of cleaning is inconvenient be present.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of road surface with cleaning device
Grooving machine, there is the advantages of easy cleaning baffle inner wall.
Above-mentioned technical purpose of the present utility model technical scheme is that：One kind carries cleaning device
Joint cutter, including frame and be installed on the cutting knife of frame, the frame, which is provided with, is covered on cutting knife and in semicircle shape
Baffle plate, the baffle plate are provided with the cleaning assemblies for being close to baffle inner wall, and the baffle plate is provided with driving cleaning assemblies and rotates release
The motor of baffle inner wall cement mortar, in addition to be electrically connected with motor for controlling cleaning assemblies reciprocating rotation to clean baffle inner wall
Control device.
By using above-mentioned technical proposal, after the completion of joint cutter work, by control device controlled motor just
Reversion, the cleaning assemblies reciprocating rotation for making motor driven be close in baffle inner wall, to realize the cement promoted in baffle inner wall
Slurry, departs from baffle plate, is compared compared to baffle plate is disassembled into cleaning under gravity, has the excellent of easy cleaning baffle inner wall
Point.
The utility model is further arranged to：The cleaning assemblies includes being arranged at the rotor plate of baffle inner wall and is arranged at
Rotor plate and the soft polishing piece for being close to baffle inner wall, the rotating shaft of the motor are fixed with the rotor plate positioned at baffle plate center of circle one end
Connection.
By using above-mentioned technical proposal, rotated by motor driven rotor plate, make to be close to soft in baffle inner wall
Polishing piece is cleared up baffle inner wall, reaches the effect of quick cleaning baffle inner wall.
The utility model is further arranged to：The rotor plate is provided with the scraper plate for being close to baffle inner wall, the scraper plate position
In soft polishing piece side.
By using above-mentioned technical proposal, the scraper plate set on the rotor plate of soft polishing piece side, pass through scraper plate
Scrape and more firm cement mortar is condensed in baffle inner wall, then cleared up again by soft polishing piece.
The utility model is further arranged to：Baffle inner wall positioned at the left and right sides of machine shaft is provided with left limit block
With right limit block.
By using above-mentioned technical proposal, the left limit block and right limit block being arranged in baffle inner wall can prevent from cleaning
Component departs from baffle interior.
The utility model is further arranged to：The control device includes control circuit and main circuit；
The control circuit include start button SB, the first relay KM1, the second relay KM2, the 3rd relay KM3,
The first normally opened normally opened travel switch ST2 of travel switch ST1 and second；Described start button SB one end is electrically connected with the power supply, institute
State start button SB the other end connected with the first relay KM1 after be grounded, described first normally opened travel switch ST1 one end with electricity
Source is electrically connected with, and the other end is grounded after being connected with the second relay KM2；Described second normally opened travel switch ST2 one end and power supply
It is electrically connected with, the other end is grounded after being connected with the 3rd relay KM3；First normally opened contact switch KM1- of first relay
1 connected with the first normally-closed contact of the 3rd relay switch KM3-1 after it is in parallel with start button SB；The of second relay
One normally opened contact switch KM2-1 is opened after being connected with the second normally-closed contact switch KM3-2 of the 3rd relay with the first normally opened stroke
It is in parallel to close ST1；The first normally opened travel switch ST1 is arranged at left limit block, and the second normally opened travel switch ST2 is arranged at
Right limit block；
The main circuit includes the positive input circuit for rotating forward motor and the reverse input circuit for making motor reversal；
Positive input circuit includes the second normally opened contact switch of two the first relays for being series at motor both ends respectively
KM1-2 and the 3rd normally opened contact switch KM1-3, the second relay the 4th normally-closed contact switch KM2-4 and the 5th normally-closed contact
Switch KM2-5；
Reverse input circuit includes the second normally opened contact switch of two the second relays for being series at motor both ends respectively
KM2-2 and the 3rd normally opened contact switch KM2-3.
By using above-mentioned technical proposal, start start button SB, obtain the first relay KM1 coils electric, make to be connected in parallel on
The first normally opened contact switch KM1-1 closures of the first relay on start button SB, realize the self-locking of circuit, while make main electricity
Second normally opened contact switch KM1-2 of the first relay on road and the 3rd normally opened contact switch KM1-3 of the first relay are closed
Close, turn on motor forward direction input circuit, motor rotates forward, and then cleaning assemblies is turned left and clear up baffle inner wall；
Make the on left limit block first normally opened travel switch ST1 closures when cleaning assemblies reaches left limit block and contradicted, the
Two relay KM2 coils obtain electric, make the first normally opened contact switch of second relay in parallel with the first normally opened travel switch ST1
KM2-1 is closed, and makes the travel switch circuit realiration self-locking for having the first normally opened travel switch ST1, while make second on main circuit
The 4th normally-closed contact switch KM2-4 and the 5th normally-closed contact switch KM2-5 of relay disconnect, and make the second normal of the second relay
Contact switch KM2-2 and the 3rd normally opened contact switch KM2-3 closures are opened, and then disconnect motor forward direction input circuit, motor is anti-
Turned on to input circuit, motor reversal, cleaning assemblies is turned right cleaning baffle-plate inwall；
When cleaning assemblies reaches the position of right limit block, cleaning assemblies returns to initial position, while contradicts in limited block
On the second normally opened travel switch ST2 on, make the second normally opened travel switch ST2 closure, the 3rd relay KM3 coils obtain electric, make
The the first normally-closed contact switch KM3-1 for the 3rd relay being connected in parallel on start button SB disconnects, and is connected in parallel on the first normally opened stroke
The 3rd relay on on-off circuit the second normally-closed contact switch KM3-2 disconnect, and then make the first relay KM1 and second after
Electrical equipment KM2 is powered off, and then leaves the motor off work, cleaning assemblies is back and forth cleared up once baffle inner wall.
The utility model is further arranged to：The baffle plate is provided with mounting blocks, and the mounting blocks are provided with rotation connection
In the rotating bar in frame, the baffle plate close to frame side is provided with fixed block, and the fixed block is provided with threaded connection
In the fixture in frame.
By using above-mentioned technical proposal, baffle plate makes baffle plate by the rotating bar being rotatably connected on mounting blocks in frame
Can be convenient that cutting knife is changed along rotating bar rotating opening；And the fixation set on the baffle plate close to frame side
Block, fixed block are threadedly secured in frame by fixture, baffle plate is firmly fixed in frame.
The utility model is further arranged to：The mounting blocks are located on the outside of baffle plate.
By using above-mentioned technical proposal, mounting blocks are arranged on the outside of baffle plate, mounting blocks is not influenceed cleaning assemblies and keeping off
The rotation of intralamellar part.
The utility model is further arranged to：The baffle plate for relatively rotating bar opposite side is provided with handle.
By using above-mentioned technical proposal, the handle set on baffle plate, flap shutter is facilitated by handle.
In summary, the utility model has the advantages that：The cleaning assemblies set on baffle plate, filled by controlling
The rotating of controlled motor is put, motor driven is close to the cleaning assemblies reciprocating rotation of baffle inner wall, to realize promotion baffle plate
Cement mortar on inwall, departs from baffle plate under gravity, is compared compared to baffle plate is disassembled into cleaning, has easy cleaning
The advantages of baffle inner wall.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present embodiment；
Fig. 2 is the mounting structure schematic diagram of baffle plate and frame in the present embodiment；
Fig. 3 is the external structure schematic diagram of baffle plate in the present embodiment；
Fig. 4 is the sectional view in A-A faces in Fig. 3；
Fig. 5 is the circuit theory diagrams of control device in the present embodiment.
In figure：1st, frame；11st, handle；12nd, roller；13rd, diesel engine；14th, cutting knife；15th, water tank；16th, water pipe；2nd, baffle plate；
21st, fixed block；22nd, fixture；23rd, mounting blocks；24th, rotating bar；25th, handle；26th, left limit block；27th, right limit block；3rd, it is clear
Clean component；31st, rotor plate；32nd, soft polishing piece；33rd, scraper plate；4th, motor；5th, control device；51st, control circuit；52nd, main electricity
Road.
Embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
A kind of joint cutter with cleaning device, as shown in figure 1, including frame 1, the side of frame 1 is welded with two
Handle 11, the bottom of frame 1 are provided with roller 12, and frame 1 is installed above diesel engine 13, and the side of frame 1 is provided with cutting knife 14, cut
The rotation of knife 14 is driven by diesel engine 13 and realized；The gear for being covered on cutting knife 14 is installed in the frame 1 above cutting knife 14
Plate 2, water tank 15 is installed in frame 1, water pipe 16 is communicated between water tank 15 and baffle plate 2.
As shown in Figures 2 and 3, the baffle plate 2 of semicircle shape is welded with fixed block 21 in the side wall of the side of frame 1, fixed
The fixture 22 being threadedly connected in frame 1 is installed, fixture 22 is screw rod on block 21；The outside left end of baffle plate 2 is integrally formed
There are mounting blocks 23, rotating bar 24 is rotatably connected on mounting blocks 23, and rotating bar 24 is rotationally connected with frame 1；Relatively rotate bar
The handle 25 of arc-shaped is welded with the baffle plate 2 of 24 opposite sides.
As shown in Figure 3 and Figure 4, the cleaning assemblies 3 for being close to the inwall of baffle plate 2 is installed, positioned at the outside of baffle plate 2 circle on baffle plate 2
The motor 4 that driving cleaning assemblies 3 rotates the cement mortar for releasing the inwall of baffle plate 2 is installed at the heart；
In " door " font cleaning assemblies 3 include be arranged at the inwall of baffle plate 2 rotor plate 31 and be adhered to rotor plate 31 and
It is close to the soft polishing piece 32 of the inwall of baffle plate 2, the rotating shaft of motor 4 passes through the side wall of baffle plate 2 and the rotation positioned at the center of circle one end of baffle plate 2
The key connection of plate 31.
It is located at the soft side of polishing piece 32 integrally formed with the scraper plate 33 for being close to the inwall of baffle plate 2, scraper plate 33 on rotor plate 31；
Soft polishing piece 32 is soft rubber in the present embodiment；Welded on the inwall of baffle plate 2 of the left and right sides of the rotating shaft of motor 4 limited
The left limit block 26 and right limit block 27 of cleaning assemblies rotational travel processed.
As shown in Fig. 3, Fig. 4 and Fig. 5, motor 4 is electrically connected with for controlling the reciprocating rotation of cleaning assemblies 3 to clean in baffle plate 2
The control device 5 of wall, control device 5 include control circuit 51 and main circuit 52；
Control circuit 51 includes start button SB, the first relay KM1, the second relay KM2, the 3rd relay KM3, the
The one normally opened normally opened travel switch ST2 of travel switch ST1 and second；Start button SB one end is electrically connected with the power supply, start button
The SB other end is grounded after being connected with the first relay KM1, and first normally opened travel switch ST1 one end is electrically connected with the power supply, separately
One end is grounded after being connected with the second relay KM2；Second normally opened travel switch ST2 one end is electrically connected with the power supply, the other end with
It is grounded after 3rd relay KM3 series connection；First normally opened contact switch KM1-1 of the first relay and the first of the 3rd relay is normal
It is in parallel with start button SB after closed contact switch KM3-1 series connection；First normally opened contact switch KM2-1 of the second relay and the 3rd
It is in parallel with the first normally opened travel switch ST1 after the second normally-closed contact switch KM3-2 series connection of relay；First normally opened travel switch
ST1 is arranged at left limit block 26, and the second normally opened travel switch ST2 is arranged at right limit plate；
The reverse input circuit that main circuit 52 includes the positive input circuit for rotating forward motor 4 and inverts motor 4, it is positive
The second normally opened contact switch KM1-2 and the 3rd that input circuit includes two the first relays for being series at the both ends of motor 4 respectively is normal
Open contact switch KM1-3, the 4th normally-closed contact switch KM2-4 of the second relay and the 5th normally-closed contact switch KM2-5；Reversely
The second normally opened contact switch KM2-2 and the 3rd that input circuit includes two the second relays for being series at the both ends of motor 4 respectively is normal
Open contact switch KM2-3.
Start start button SB, obtain the first relay KM1 coils electric, make the first relay being connected in parallel on start button SB
The first normally opened contact switch KM1-1 closures of device, realize the self-locking of circuit, while make the of the first relay on main circuit 52
3rd normally opened contact switch KM1-3 of two normally opened contact switch KM1-2 and the first relay is closed, and makes the positive input electricity of motor 4
Road turns on, and motor 4 rotates forward, and then cleaning assemblies 3 is turned left and clear up the inwall of baffle plate 2；
When the arrival left limit of cleaning assemblies 3 block 26 and contradicting closes the on left limit block 26 first normally opened travel switch ST1
Close, the second relay KM2 coils obtain electric, make the first normally opened tactile of second relay in parallel with the first normally opened travel switch ST1
Point switch KM2-1 closures, make the travel switch circuit realiration self-locking for having the first normally opened travel switch ST1, while make main circuit 52
On the second relay the 4th normally-closed contact switch KM2-4 and the 5th normally-closed contact switch KM2-5 disconnect, make the second relay
The second normally opened contact switch KM2-2 and the 3rd normally opened contact switch KM2-3 closures, and then 4 positive input circuit of motor is broken
Open, the conducting of 4 reverse input circuit of motor, motor 4 inverts, and cleaning assemblies 3 is turned right the inwall of cleaning baffle-plate 2；
When cleaning assemblies 3 reaches the position of right limit block 27, cleaning assemblies 3 returns to initial position, while contradicts and limiting
On the second normally opened travel switch ST2 on the block of position, make the second normally opened travel switch ST2 closures, the 3rd relay KM3 coils obtain
Electricity, the first normally-closed contact switch KM3-1 for the 3rd relay for making to be connected in parallel on start button SB disconnect, and it is normally opened to be connected in parallel on first
The second normally-closed contact switch KM3-2 of the 3rd relay on travel switch circuit disconnects, and then makes the first relay KM1 and the
Two relay KM2 are powered off, and then motor 4 is stopped, make cleaning assemblies 3 back and forth to the inner wall cleaning of baffle plate 2 once.
Described above is only preferred embodiment of the present utility model, and the scope of protection of the utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to the scope of protection of the utility model.It should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as the scope of protection of the utility model.
Claims (8)
1. a kind of joint cutter with cleaning device, including frame (1) and the cutting knife (14) for being installed on frame (1), it is special
Sign is：The frame (1), which is provided with, to be covered on cutting knife (14) and is provided with tight in the baffle plate (2) of semicircle shape, the baffle plate (2)
The cleaning assemblies (3) of baffle plate (2) inwall is pasted, the baffle plate (2) is provided with driving cleaning assemblies (3) and rotated in release baffle plate (2)
The motor (4) of the cement mortar of wall, in addition to be electrically connected with motor (4) and kept off for controlling cleaning assemblies (3) reciprocating rotation to clean
The control device (5) of plate (2) inwall.
A kind of 2. joint cutter with cleaning device according to claim 1, it is characterised in that：The cleaning assemblies
(3) include being arranged at the rotor plate (31) of baffle plate (2) inwall and be arranged at rotor plate (31) and be close to the soft of baffle plate (2) inwall
Polishing piece (32), the rotating shaft of the motor (4) are fixedly connected with the rotor plate (31) positioned at baffle plate (2) center of circle one end.
A kind of 3. joint cutter with cleaning device according to claim 2, it is characterised in that：The rotor plate
(31) scraper plate (33) for being close to baffle plate (2) inwall is provided with, the scraper plate (33) is located at soft polishing piece (32) side.
A kind of 4. joint cutter with cleaning device according to claim 1, it is characterised in that：Positioned at motor (4)
The baffle plate (2) inwall of the left and right sides of rotating shaft is provided with left limit block (26) and right limit block (27).
A kind of 5. joint cutter with cleaning device according to claim 4, it is characterised in that：The control device
(5) control circuit (51) and main circuit (52) are included；
The control circuit (51) includes start button（SB）, the first relay（KM1）, the second relay (KM2), the 3rd relay
Device (KM3), the first normally opened travel switch (ST1) and the second normally opened travel switch (ST2)；Described start button (SB) one end and electricity
Source is electrically connected with, the other end and the first relay of the start button (SB)（KM1）It is grounded after series connection, the first normally opened row
Cheng Kaiguan (ST1) one end is electrically connected with the power supply, and the other end is grounded after being connected with the second relay (KM2)；Described second is normally opened
Travel switch (ST2) one end is electrically connected with the power supply, and the other end is grounded after being connected with the 3rd relay (KM3)；Described first after
First normally opened contact switch of electrical equipment（KM1-1）Switched with the first normally-closed contact of the 3rd relay（KM3-1）With opening after series connection
Dynamic button (SB) is in parallel；The first normally opened contact switch (KM2-1) of second relay and the second of the 3rd relay normally closed
It is in parallel with the first normally opened travel switch (ST1) after contact switch (KM3-2) series connection；The first normally opened travel switch (ST1) sets
Left limit block (26) is placed in, the second normally opened travel switch (ST2) is arranged at right limit block (27)；
The reverse input electricity that the main circuit (52) includes the positive input circuit for rotating forward motor (4) and inverts motor (4)
Road；
Positive input circuit includes the second normally opened contact switch of two the first relays for being series at motor (4) both ends respectively
（KM1-2）With the 3rd normally opened contact switch（KM1-3）, the second relay the 4th normally-closed contact switch (KM2-4) and 5 constant virtues
Closed contact switchs (KM2-5)；
Reverse input circuit includes the second normally opened contact switch of two the second relays for being series at motor (4) both ends respectively
And the 3rd normally opened contact switch (KM2-3) (KM2-2).
A kind of 6. joint cutter with cleaning device according to claim 1, it is characterised in that：The baffle plate (2)
Mounting blocks (23) are provided with, the mounting blocks (23) are provided with the rotating bar (24) being rotationally connected with frame (1), close to frame
(1) baffle plate (2) of side is provided with fixed block (21), and the fixed block (21) is provided with and is threadedly connected in frame (1)
Fixture (22).
A kind of 7. joint cutter with cleaning device according to claim 6, it is characterised in that：The mounting blocks
(23) on the outside of baffle plate (2).
A kind of 8. joint cutter with cleaning device according to claim 6, it is characterised in that：Relatively rotate bar
(24) baffle plate (2) of opposite side is provided with handle (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720989177.8U CN207073059U (en) | 2017-08-09 | 2017-08-09 | A kind of joint cutter with cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720989177.8U CN207073059U (en) | 2017-08-09 | 2017-08-09 | A kind of joint cutter with cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207073059U true CN207073059U (en) | 2018-03-06 |
Family
ID=61523495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720989177.8U Expired - Fee Related CN207073059U (en) | 2017-08-09 | 2017-08-09 | A kind of joint cutter with cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207073059U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114395964A (en) * | 2022-01-14 | 2022-04-26 | 刘雄军 | Road cutting machine convenient to change cutter |
-
2017
- 2017-08-09 CN CN201720989177.8U patent/CN207073059U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114395964A (en) * | 2022-01-14 | 2022-04-26 | 刘雄军 | Road cutting machine convenient to change cutter |
| CN114395964B (en) * | 2022-01-14 | 2024-05-31 | 山东金鑫机械有限公司 | Road cutting machine convenient to change cutter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204448236U (en) | Building material promotes pulverizes drying process device | |
| CN206986815U (en) | A kind of civil engineering smoothing machine | |
| CN108042059A (en) | It is a kind of that there is the crack cleaning device of dust collection | |
| CN108049612A (en) | A kind of reciprocating brickwork joint cleaning plant | |
| CN207073059U (en) | A kind of joint cutter with cleaning device | |
| CN106732887A (en) | A kind of scrap glass high safety type breaking device for building | |
| CN108330797A (en) | A kind of asphalt pavement crack maintenance repair apparatus | |
| CN206554014U (en) | Limited road special small vehicle for melting ice on | |
| CN206359941U (en) | A kind of snowplough | |
| CN205875775U (en) | Solid water mud shovel for building high -efficient removes device | |
| CN106702941A (en) | Double-pace snow sweeper and double-pace snow sweeping control method | |
| CN106069813A (en) | Small-sized pig house sweeper | |
| CN207981674U (en) | A kind of solar street light dust-extraction unit | |
| CN204443246U (en) | A kind of lawn garbage recycling machine | |
| CN203361659U (en) | Portable concrete vibrating rod | |
| CN207073058U (en) | A kind of joint cutter | |
| CN205310510U (en) | Concrete hybrid processing device for civil engineering | |
| CN209742818U (en) | Oil field well drilling detritus shredding device | |
| CN210282826U (en) | High-efficient mixer of plastic production | |
| CN208747223U (en) | A kind of Clinker digestion is grinding into a mouthful wet dust deduster | |
| CN206928229U (en) | A kind of portable multi-function road scavenging vehicle | |
| CN206466137U (en) | A kind of device for cleaning water surface rubbish | |
| CN203945482U (en) | A kind of drive unit of pendulum model materials for wall agitator | |
| CN214831784U (en) | Road crack pouring device for municipal water supply and drainage engineering | |
| CN205145759U (en) | Husky separating centrifuge of water |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180306 Termination date: 20190809 |