CN108176090A - The actuator of filter plate unit - Google Patents
The actuator of filter plate unit Download PDFInfo
- Publication number
- CN108176090A CN108176090A CN201810066744.1A CN201810066744A CN108176090A CN 108176090 A CN108176090 A CN 108176090A CN 201810066744 A CN201810066744 A CN 201810066744A CN 108176090 A CN108176090 A CN 108176090A
- Authority
- CN
- China
- Prior art keywords
- propulsion arm
- slide
- filter plate
- plate unit
- guide rail
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
- B01D25/172—Plate spreading means
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a kind of actuators of filter plate unit, the side of support rail proximity has guide rail, driving mechanism driving slide is moved along the guide rail for sliding cooperation is formed with it, first is set on slide, two propulsion arms, first, two propulsion arms respectively by be mutually parallel first, two articulated shafts are hinged on slide, slide and first, resetting spring is provided between two propulsion arms, the elastic force that resetting spring provides drives first, one end of two propulsion arms is resisted against on slide, the other end is far from slide in suspension shape, first, two propulsion arms are in first under tilting shape and the tilting state, two propulsion arms form splayed bayonet shape, hanging rod on filter plate unit is in first, on the mobile route for the splayed bayonet that two propulsion arms are formed.The labor intensity of worker is not only reduced, and two filter plate unit quick separatings can be made, substantially increases the efficiency of press filtering of filter press.
Description
Technical field：
The present invention relates to filter press field, the movement of two adjacent filter plate units separation can be made on specially a kind of filter press
Device.
Background technology
Generally using filter press, to treated, mud is dehydrated in sludge treatment field, and filter press is bonded including plate face
The filter plate unit of setting, the filter plate plate face of each filter plate unit arrange that the cavity formed between two adjacent filter press plate units is vertically
Extrusion chamber.During press filtration, the piston rod of hydraulic cylinder is connected with pressing plate body, and filter plate is provided in the rack between pressing plate and fixed plate
Group, hydraulic cylinder drive pressing plate mobile to fixed plate and squeeze filter plates, make all face pastes of the press box of each filter plate unit sides adjacent
The sealing for implementing mud chamber is closed, mud is poured into mud intracavitary with charging pump, then hydraulic cylinder continues to press, in same filter plate unit
Two press boxes between spacing become smaller, the distance between water plate face crossed of mud chamber is gradually tapered up until reaching the shrinkage of setting.
After moisture overflows in sludge, the gradual pressure release of hydraulic cylinder, each filter plate unit is gradually disengaged, and entire press filtration process is completed.
After the completion of press filtration process, operating personnel need to detach two adjacent filter plate units, so that on adjacent filter plate unit
Chamber it is open, be conveniently operated personnel and dial the dry mud bonded on filter plate unit and drop down onto on conveyer belt below filter press, worker
Directly mobile filter plate unit is inconvenient, two adjacent filter plate unit low separation efficiencies.
Invention content
The object of the present invention is to provide a kind of actuators of filter plate unit, are moved easily filter plate unit on filter press, carry
High two adjacent filter plates unit separative efficiency.
To achieve these goals, the technical solution used for：A kind of actuator of filter plate unit, the two of filter plate unit
There is the hanging rod protruded out outward in side, and hanging rod, which is taken, to be put in rack on horizontally disposed two support rails being arranged in parallel, branch
The side of support cross bar proximity has guide rail, and driving mechanism driving slide is moved along the guide rail for sliding cooperation is formed with it, on slide
First and second propulsion arm is set, and first and second propulsion arm is hinged on by first and second articulated shaft being mutually parallel on slide respectively, slide
Resetting spring is provided between first and second propulsion arm, the elastic force that resetting spring provides drives one end of first and second propulsion arm to be supported
Lean against on slide, the other end is far from slide in suspension shape, first and second propulsion arm is in the under tilting shape and the tilting state
First, two propulsion arms form splayed bayonet shape, and the hanging rod on filter plate unit is in the splayed bayonet of first and second propulsion arm composition
Mobile route on.
Compared with prior art, technique effect of the invention is：The labor intensity of worker is not only reduced, and can be made
Two filter plate unit quick separatings substantially increase the efficiency of press filtering of filter press.
Description of the drawings
Fig. 1 is overall structure diagram of the present invention；
Fig. 2 is the enlarged diagram of structure at M in Fig. 1；
Fig. 2 a be Fig. 2 in position-limiting unit detached with the first propulsion arm after schematic diagram；
Fig. 3 is the enlarged diagram of structure at N in Fig. 1；
Fig. 4 a, 4b, 4c are sliding block along guide rail forward direction moving process schematic diagram；
Fig. 5 a, 5b move backward process schematic for sliding block along guide rail；
Fig. 6 is the schematic diagram that mobile device is moved to next piece of filter plate unit to be dragged；
Fig. 7 a, 7b are the process schematic that axis pin is inserted in pin hole
Fig. 7 c are the schematic diagram that shift plate stirs axis pin and axis pin is made to retract.
Specific embodiment
It is described in further detail with reference to Fig. 1 to the 7 couples of present invention.
There are the hanging rod A1 protruded out outward, hanging rod A1 in a kind of actuator of filter plate unit, the two sides of filter plate unit A
It takes and puts in rack 90 on horizontally disposed two support rails 91 being arranged in parallel, the side of 91 proximity of support rail is led
Rail 40, driving mechanism drive slide 30 to be moved along the guide rail 40 for sliding cooperation is formed with it, first and second pushing tow are set on slide 30
Bar 10,20, first and second propulsion arm 10,20 are hinged on by first and second articulated shaft 11,21 being mutually parallel on slide 30 respectively, sliding
Resetting spring is provided between 30 and first and second propulsion arm 10,20 of seat, the elastic force that resetting spring provides drives first and second pushing tow
One end of bar 10,20 is resisted against on slide 30, the other end is far from slide 30 in suspension shape, and first and second propulsion arm 10,20 is in
First and second propulsion arm 10,20 under tilting shape and the tilting state forms splayed bayonet shape, the hanging rod A1 on filter plate unit A
It is on the mobile route of the splayed bayonet of first and second propulsion arm 10,20 composition.
For convenience of explanation, the direction of extrusion of platen of filter press 70 is positive, the extruding filter plate unit of platen of filter press 70
The direction to retract afterwards is reversed, and slide 30 moves close to hanging rod A1 along 40 forward direction of guide rail in the application, as shown in Figs. 4a-c,
The suspension end of first propulsion arm 10, which overcomes elastic force under the constraint of hanging rod A1 and rotated around the first articulated shaft 11, avoids hanging rod
A1, (i.e. the suspension end of the first propulsion arm 10 is resisted against on the lower pole face of hanging rod A1 and can pass through under the elastic force effect of spring
Hanging rod A1, which is realized, to be avoided) for the first propulsion arm 10 across hanging rod A1, the suspension end of the first propulsion arm 10 is detached from the constraint of hanging rod A1 simultaneously
It is rotated under the action of elastic force around the first articulated shaft 11, when the suspension end of the second propulsion arm 20 is resisted against on filter plate unit A, slide
30 move backward along guide rail 40, as shown in Fig. 5 a to 5b, the first propulsion arm 10 be resisted against on hanging rod A1 and drive filter plate unit A with
Adjacent filter plate separation, completes the separation of two adjacent filter plate units.The labor intensity of worker is not only reduced, and two can be made
Filter plate unit A quick separatings substantially increase the efficiency of press filtering of filter press.
Limiting bracket 50 is respectively arranged on platen of filter press 70 in two opposite outer side edges, limiting bracket 50 is included with leading
40 spaced apart inclined-plane 51 of rail, inclined-plane 51 arrange that inclined-plane 51 is in along the direction of extrusion of platen of filter press 70 from high to low
First, on the mobile route for the splayed bayonet that two propulsion arms 10,20 are formed.
As shown in Fig. 5 b to Fig. 6, when the first propulsion arm 10 drives the filter plate unit A to be resisted against on limiting bracket 50, the second top
The suspension end of push rod 20, which overcomes elastic force under the constraint on inclined-plane 51 and rotated around the second articulated shaft 21, avoids limiting bracket 50, in this way
First propulsion arm 10 along guide rail forward direction when moving, extension of second propulsion arm 20 with being resisted against filter plate unit A on limiting bracket 50
Bar A1, which is equally in, to be avoided at position, and after the second propulsion arm 20 passes through hanging rod A1, the second propulsion arm 20 is in spring force
Under the action of the suspension end of the second propulsion arm 20 is made to be on next piece of filter plate unit A to be separated hang around the rotation of the second articulated shaft 21
On the mobile route of bar A1, the detached job of next piece of filter plate unit A is carried out.The second propulsion arm 20 is rotated without worker, is reduced
The labor intensity of worker facilitates the separation of adjacent two filter plates unit.
After the mask work for completing filter plate unit, as shown in Figure 7a, the first propulsion arm 10 and filter plate list on slide 30
First A upper hanging rods A1 interference, causes slide 30 that can not be moved to close to 40 one end of guide rail of pressing plate 70, by being set on slide 30
There is position-limiting unit 60,60 and first propulsion arm 10 of position-limiting unit cooperation the first propulsion arm 10 of limitation is around 11 angle of rotation of the first articulated shaft
Degree is in the first propulsion arm 10 and filter plate unit A upper hanging rods A1 and avoids at position, can be moved to slide 30 close to pressing plate
70 40 one end of guide rail, to prepare to filter plate unit A separation next time.
As the specific layout scheme of position-limiting unit 60, the position-limiting unit 60 includes the mounting blocks being fixed on slide 30
61, the middle part of mounting blocks 61 offers through-hole, and axis pin 62 is placed through in through-hole and axis pin 62 is axial with 40 guide direction one of guide rail
It causes, offers bar hole close to the side of rack 90 on mounting blocks 61 and its hole length direction is consistent with 40 guide direction of guide rail, even
Extension bar 621 is connected across bar hole with 62 axle body of axis pin, is offered on the first propulsion arm 10 and is inserted into limit first for axis pin 62
The pin hole 13 that propulsion arm 10 rotates, baffle 631 and 40 arranged for interval of guide rail and baffle 631 are in the movement of the first propulsion arm 10
On path；
The suspension end of first propulsion arm 10 is moved to along 40 forward direction of guide rail at the right end of guide rail 40, and the first propulsion arm 10 hangs
When putting the positive movement of end continuation and avoiding baffle 631 around the rotation of the second articulated shaft 21 under the constraint of baffle 631, pass through axis pin
62 one end are resisted against the block 632 in rack 90, and the other end of such axis pin 62 is stretched out and is inserted on the first propulsion arm 10
In pin hole 13, limitation the first propulsion arm 10 rotated around the first articulated shaft 11, such slide 30 along guide rail 40 move backward when, second
Propulsion arm 20 makes the second propulsion arm 20 turn to the avoidance position with hanging rod A1 and passes through under the hanging rod A1 constraints of filter plate unit A
Hanging rod A1, since the first propulsion arm 10 is under the constraint of axis pin 62, the similary energy in suspension end of the first propulsion arm 10 in low level
Enough across hanging rod A1, it will be able to which slide 30 is moved to the left end of guide rail 40；
When slide 30 is moved to the left end of guide rail 40, retract to release axis pin 62 to the first pushing tow in order to facilitate axis pin 62
The constraint of bar 10 is provided with shift plate 64 in the rack 90 of 40 at one end of guide rail, is provided with baffle 631 at the other end, (i.e. guide rail 40
Shift plate 64 is fixed in rack 90 at left end) shift plate 64 is on the mobile route of connecting rod 621, and such slide 30 moves
When extremely close to 40 at one end of guide rail of pressing plate 70, shift plate 64 stirs the connecting rod 621 set on 62 axle body of axis pin, connecting rod 621
It retracts along bar hole hole length direction, releases constraint of the axis pin 62 to the first propulsion arm 10, the process of filter plate unit separation is without people
Work operates first and second propulsion arm 10,20 on slide 30, on filter press entire filter plate assembly separation process efficiently, can
It leans on.
In order to ensure the splayed bayonet that first and second propulsion arm 10,20 is formed can be reliably separated adjacent two filter plates list
First A, the splayed bayonet that first and second propulsion arm 10,20 is formed accommodate the hanging rod A1 of single filter plate unit A.
Opposite two sides are on the mobile route of first and second propulsion arm 10,20 on hanging rod A1, under tilting state
First and second propulsion arm 10,20 on far from slide 30 one end end face it is parallel with opposite sides face on hanging rod A1.First and second top
One end end face far from slide 30 can be sticked on the side of hanging rod A1 on push rod 10,20, guarantee steadily to drag filter
Plate unit simultaneously, avoids the hanging rod A1 on filter plate unit A from damaging.
Further, the shaft core of first and second articulated shaft 11,21 is located in horizontal plane and hangs down with 40 guide direction of guide rail
Directly, one end end face far from slide 30 is parallel with first and second articulated shaft 11,21 shaft cores on first and second propulsion arm 10,20, the
First, it is arranged with torsional spring on two articulated shafts 11,21 respectively, the one end on first articulated shaft 11 is rolled over not in the first propulsion arm
On 10, other end folding not on slide 30, one end on second articulated shaft 21 is rolled over not on the second propulsion arm 20, is another
It rolls over not on slide 30 one end.
Separately below mode is laid for the specific of first and second propulsion arm 10,20.
The outside pole face 12 of first propulsion arm 10 is in the inclination that the side of neighbouring second propulsion arm 20 is high, opposite side is low
Shape is arranged.
Second propulsion arm 20 is in hook solid, and the outside pole face 22 of the second propulsion arm 20 is arcwall face.
As the preferred layout scheme of driving mechanism, the driving mechanism includes what 40 both ends end of guide rail was set respectively
Drive sprocket 81 and driven sprocket 82, there is the v notch v opened up along guide direction on 40 bottom of guide rail and notch is downwardly directed,
Side chain between the drive sprocket 81 and driven sprocket 82 is located in the v notch v of 40 bottom of guide rail, solid on the chain
Fixed connecting plate is connected with slide 30, and the wheel shaft of the drive sprocket 81 is connected with the shaft of motor and torsion is provided therebetween
Square limiter.
Chain is placed in the v notch v of 40 bottom of guide rail, prevents sludge from splashing on chain and chain is caused to be damaged, protected
Demonstrate,prove the stability of driving mechanism operation, first and second propulsion arm 10,20 and hanging rod A1 against when, torque limiter output control
Signal makes motor reversal.
Claims (10)
1. a kind of actuator of filter plate unit, there are the hanging rod (A1) protruded out outward, hanging rod in the two sides of filter plate unit (A)
(A1) it takes and puts on upper horizontally disposed two support rails (91) being arranged in parallel of rack (90), it is characterised in that：Support is horizontal
The side of bar (91) proximity has guide rail (40), and driving mechanism driving slide (30) forms the guide rail (40) of sliding cooperation along with it
It is mobile, first and second propulsion arm (10,20) is set on slide (30), and first and second propulsion arm (10,20) is respectively by being mutually parallel
First and second articulated shaft (11,21) is hinged on slide (30), is provided between slide (30) and first and second propulsion arm (10,20)
Resetting spring, the elastic force that resetting spring provides drive one end of first and second propulsion arm (10,20) to be resisted against on slide (30), are another
One end far from slide (30) in suspension shape, first and second propulsion arm (10,20) under tilting shape and the tilting state first,
Two propulsion arms (10,20) form splayed bayonet shape, the hanging rod (A1) on filter plate unit (A) be in first and second propulsion arm (10,
20) on the mobile route of the splayed bayonet formed.
2. the actuator of filter plate unit according to claim 1, it is characterised in that：Opposite two on platen of filter press (70)
Be respectively arranged with limiting bracket (50) in outer side edges, limiting bracket (50) including with guide rail (40) spaced apart inclined-plane (51),
Inclined-plane (51) arranges from high to low along the direction of extrusion of platen of filter press (70), inclined-plane (51) be in first and second propulsion arm (10,
20) on the mobile route of the splayed bayonet formed.
3. the actuator of filter plate unit according to claim 1, it is characterised in that：Limiting is provided on the slide (30)
Unit (60), position-limiting unit (60) turn with the first propulsion arm (10) cooperation the first propulsion arm of limitation (10) around the first articulated shaft (11)
Dynamic angle.
4. the actuator of filter plate unit according to claim 3, it is characterised in that：The position-limiting unit (60) is including fixation
Mounting blocks (61) on slide (30), mounting blocks (61) middle part offer through-hole, and axis pin (62) is placed through in through-hole and axis pin
(62) it is axial consistent with guide rail (40) guide direction, on mounting blocks (61) side of close rack (90) offer bar hole and its
Hole length direction is consistent with guide rail (40) guide direction, and connecting rod (621) is connected across bar hole with axis pin (62) axle body, the first top
Pin hole (13) is offered on push rod (10), shift plate (64), the other end are provided in the rack (90) of guide rail (40) at one end
Place is provided with baffle (631), and on the mobile route of shift plate (64) in connecting rod (621), baffle (631) is spaced with guide rail (40)
In arrangement and the mobile route of baffle (631) in the first propulsion arm (10).
5. the actuator of filter plate unit according to claim 1, it is characterised in that：First and second propulsion arm (10,20) structure
Into the aperture of splayed bayonet be consistent with the size of the hanging rod (A1) of single filter plate unit (A) in the same direction.
6. the actuator of filter plate unit according to claim 1, it is characterised in that：Opposite two sides on hanging rod (A1)
It is on the mobile route of first and second propulsion arm (10,20), it is remote on first and second propulsion arm (10,20) under tilting state
One end end face from slide (30) is parallel with opposite sides face on hanging rod (A1).
7. the actuator of filter plate unit according to claim 1, it is characterised in that：First and second articulated shaft (11,
21) shaft core is located in horizontal plane and vertical with guide rail (40) guide direction, separate slide on first and second propulsion arm (10,20)
(30) one end end face is parallel with first and second articulated shaft (11,21) shaft core, and first and second articulated shaft is arranged with respectively on (11,21)
Torsional spring, the one end on first articulated shaft (11) is rolled over not on the first propulsion arm (10), the other end is rolled over not in slide
(30) on, the one end on second articulated shaft (21) is rolled over not on the second propulsion arm (20), the other end is rolled over not in slide
(30) on.
8. the actuator of filter plate unit according to claim 6, it is characterised in that：Outside first propulsion arm (10)
Side lever face (12) is in the low skewed arrangement of side height, the opposite side of neighbouring second propulsion arm (20).
9. the actuator of filter plate unit according to claim 1, it is characterised in that：Second propulsion arm (20) is in curved
Hook-shaped, the outside pole face (22) of the second propulsion arm (20) is arcwall face.
10. the actuator of filter plate unit according to claim 1, it is characterised in that：The driving mechanism includes guide rail
(40) drive sprocket (81) and driven sprocket (82) that both ends end is set respectively have along guide direction on guide rail (40) bottom
The v notch v and notch opened up is downwardly directed, and the side chain between the drive sprocket (81) and driven sprocket (82) is located at
In the v notch v of guide rail (40) bottom, fixed connecting plate is connected with slide (30) on the chain, the drive sprocket (81)
Wheel shaft be connected with the shaft of motor and torque limiter be provided therebetween.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810066744.1A CN108176090A (en) | 2018-01-24 | 2018-01-24 | The actuator of filter plate unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810066744.1A CN108176090A (en) | 2018-01-24 | 2018-01-24 | The actuator of filter plate unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108176090A true CN108176090A (en) | 2018-06-19 |
Family
ID=62551247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810066744.1A Withdrawn CN108176090A (en) | 2018-01-24 | 2018-01-24 | The actuator of filter plate unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108176090A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108854183A (en) * | 2018-06-22 | 2018-11-23 | 南京永川混凝土有限公司 | Filtering recovering system for cleaning concrete mixer truck |
| CN110665267A (en) * | 2019-10-30 | 2020-01-10 | 上海复洁环保科技股份有限公司 | Filter press with quick plate pulling mechanism and plate pulling unloading method thereof |
| CN111659166A (en) * | 2019-03-06 | 2020-09-15 | 奥图泰(芬兰)公司 | Horizontal plate type filter press |
| CN112590682A (en) * | 2020-12-23 | 2021-04-02 | 刘广芝 | Guard plate structure of automobile chassis |
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| TWM293076U (en) * | 2006-02-24 | 2006-07-01 | Tai Ho Environmental Entpr Co | Separating apparatus for filter plate of filter pressing device |
| CN201098575Y (en) * | 2007-08-14 | 2008-08-13 | 徐州天科机械制造有限公司 | Bidirectional automatic plate-drawing machine for filter plate of press filter |
| CN201135809Y (en) * | 2007-12-18 | 2008-10-22 | 杭州兴源过滤机有限公司 | Wheat juice press filter plate drawing system |
| CN202237435U (en) * | 2011-09-02 | 2012-05-30 | 中大贝莱特压滤机有限公司 | Filter press plate pulling trolley and filter press constituted by same |
| CN103432788A (en) * | 2013-08-14 | 2013-12-11 | 泉州市南星机械制造有限公司 | Plate pulling mechanism for filter plate of filter press |
| CN207928789U (en) * | 2018-01-24 | 2018-10-02 | 安徽省通源环保科技有限公司 | The actuator of filter plate unit |
-
2018
- 2018-01-24 CN CN201810066744.1A patent/CN108176090A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM293076U (en) * | 2006-02-24 | 2006-07-01 | Tai Ho Environmental Entpr Co | Separating apparatus for filter plate of filter pressing device |
| CN201098575Y (en) * | 2007-08-14 | 2008-08-13 | 徐州天科机械制造有限公司 | Bidirectional automatic plate-drawing machine for filter plate of press filter |
| CN201135809Y (en) * | 2007-12-18 | 2008-10-22 | 杭州兴源过滤机有限公司 | Wheat juice press filter plate drawing system |
| CN202237435U (en) * | 2011-09-02 | 2012-05-30 | 中大贝莱特压滤机有限公司 | Filter press plate pulling trolley and filter press constituted by same |
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| CN207928789U (en) * | 2018-01-24 | 2018-10-02 | 安徽省通源环保科技有限公司 | The actuator of filter plate unit |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108854183A (en) * | 2018-06-22 | 2018-11-23 | 南京永川混凝土有限公司 | Filtering recovering system for cleaning concrete mixer truck |
| CN108854183B (en) * | 2018-06-22 | 2020-09-22 | 南京永川混凝土有限公司 | A filter recovery system for rinsing concrete mixer |
| CN111659166A (en) * | 2019-03-06 | 2020-09-15 | 奥图泰(芬兰)公司 | Horizontal plate type filter press |
| CN110665267A (en) * | 2019-10-30 | 2020-01-10 | 上海复洁环保科技股份有限公司 | Filter press with quick plate pulling mechanism and plate pulling unloading method thereof |
| CN112590682A (en) * | 2020-12-23 | 2021-04-02 | 刘广芝 | Guard plate structure of automobile chassis |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180619 |