CN111196958A - Scraper blade elevating gear and filter tank - Google Patents
Scraper blade elevating gear and filter tank Download PDFInfo
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- CN111196958A CN111196958A CN202010185844.3A CN202010185844A CN111196958A CN 111196958 A CN111196958 A CN 111196958A CN 202010185844 A CN202010185844 A CN 202010185844A CN 111196958 A CN111196958 A CN 111196958A
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- 230000003028 elevating effect Effects 0.000 title claims description 8
- 239000007788 liquid Substances 0.000 claims abstract description 72
- 238000003860 storage Methods 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000009471 action Effects 0.000 claims abstract description 9
- 238000003971 tillage Methods 0.000 claims description 6
- 239000011550 stock solution Substances 0.000 claims description 4
- 238000007790 scraping Methods 0.000 claims description 3
- 239000004458 spent grain Substances 0.000 description 7
- 238000001914 filtration Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 235000013339 cereals Nutrition 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 235000013405 beer Nutrition 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 241000209140 Triticum Species 0.000 description 1
- 235000021307 Triticum Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000019634 flavors Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 235000015099 wheat brans Nutrition 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12C—BEER; PREPARATION OF BEER BY FERMENTATION; PREPARATION OF MALT FOR MAKING BEER; PREPARATION OF HOPS FOR MAKING BEER
- C12C7/00—Preparation of wort
- C12C7/14—Lautering, i.e. clarifying wort
- C12C7/16—Lautering, i.e. clarifying wort by straining
- C12C7/17—Lautering, i.e. clarifying wort by straining in lautertuns, e.g. in a tub with perforated false bottom
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Health & Medical Sciences (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Genetics & Genomics (AREA)
- Food Science & Technology (AREA)
- Wood Science & Technology (AREA)
- Zoology (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a scraper lifting device, which comprises a ploughing cutter arm; a connecting rod rotatably mounted on the blade arm; the rocker arm is rotatably arranged on the plough cutter arm, one end of the rocker arm is arranged at a set angle with one end of the connecting rod, the other end of the rocker arm is used for being rotatably connected with the scraper, and the rocker arm can synchronously rotate along with the connecting rod to drive the scraper to lift; the piston cavity is divided into a first cavity and a second cavity by a push rod extending along a first direction, the first cavity is connected with the liquid storage equipment through a first pipeline, and the second cavity is connected with the liquid storage equipment through a second pipeline; the part of the push rod outside the piston cavity is rotationally connected with the other end of the connecting rod, and the push rod can move relative to the piston cavity along the first direction under the action of the water pressure difference between the first cavity and the second cavity so as to drive the connecting rod to rotate relative to the ploughing blade arm. The invention has simple structure and good lifting stability of the scraper. The invention also provides a filter tank.
Description
Technical Field
The invention relates to the technical field of beer production, in particular to a scraper lifting device and a filter tank.
Background
Wort filtration is one of the important links in beer production, and has important influence on the quality and flavor of beer. At present, most of enterprises adopt a filter tank to filter wort, and the main function of the filter tank is to leach soluble substances in a saccharified solution, and insoluble substances and wheat bran (namely wheat lees) are filtered and discharged, so that clear and transparent wort is obtained, and good extract yield is obtained. From this, the filtration tank is mainly divided into two stages: filtering the wort and discharging spent grains, wherein in the initial stage of wort filtration, a tillage knife and a scraper are required to be lifted to the highest point, then the tillage knife is descended while rotating according to the pressure difference during filtration so as to loosen a spent grain layer, and the filtration is continued until soluble substances in a saccharified solution are leached, wherein the process is also called as spent grain; when the spent grains are discharged, the scraper is lifted to the highest point, and then the spent grains are discharged in a descending manner step by step until all the spent grains are discharged, and the process is called spent grain discharge.
The scraper does not play any role in the vinasse ploughing stage, needs to be fixed under the action of a mechanical structure and is higher than a vinasse layer, so that the vinasse layer is prevented from being damaged, the turbidity of wort is prevented from being influenced, and the process is called as a hook; and in the grain discharging stage, the scraper is firstly lifted until the height of the scraper is higher than the grain layer, and then the scraper is unhooked to descend the grain discharging stage, wherein the process is called unhooking. The two original stages are completed by means of a mechanical structure, and a system for realizing the two functions is called a mechanical lifting system for short.
The original mechanical lifting system realizes the lifting and descending of the scraper by a screw rod and a spline shaft on a speed reducer, the main structure is that the speed reducer capable of realizing the lifting is arranged at the center of a filter tank, a long transmission shaft is correspondingly arranged in the tank and connected with the speed reducer, the screw rod is driven to rotate under the action of the speed reducer, so that the transmission shaft and an attached ploughing cutter arm are lifted and descended, a hook is arranged on the ploughing arm, a hook is arranged on a rocker arm, and the hook and the unhooking action can be completed along with the lifting of a main shaft between the transmission shaft and the rocker arm, so that the lifting movement of the scraper is realized. Because the hooking and unhooking are finished by a mechanical structure, the precision requirements on the machining and assembling of the mechanical structure are very high, and the phenomena of deformation, inflexibility and the like of a transmission mechanism exist in the later stage, so that the hooking and unhooking cannot be smoothly realized.
Disclosure of Invention
The invention aims to solve the problems of poor lifting stability and complex structure of a scraper. The invention provides a scraper lifting device which is simple in structure and good in scraper lifting stability.
In order to solve the above technical problem, an embodiment of the present invention discloses a squeegee elevating device, including: a ploughing cutter arm; a link rotatably mounted to the blade arm; the rocker arm is rotatably arranged on the tillage knife arm, one end of the rocker arm is arranged at a set angle with one end of the connecting rod, the other end of the rocker arm is used for being rotatably connected with the scraper, and the rocker arm can synchronously rotate along with the connecting rod to drive the scraper to lift; the piston cavity is divided into a first cavity and a second cavity by a push rod extending along a first direction, the first cavity is connected with a liquid storage device through a first pipeline, and the second cavity is connected with the liquid storage device through a second pipeline; the part of the push rod, which is positioned outside the piston cavity, is rotationally connected with the other end of the connecting rod, and the push rod can move relative to the piston cavity along the first direction under the action of the water pressure difference between the first cavity and the second cavity so as to drive the connecting rod to rotate relative to the tillage knife arm.
By adopting the technical scheme, liquid (such as water) is used as the pushing force for lifting the scraper, and the structure is simple; on the other hand, the stability is high, the service life is long, the fault is not easy to occur, and the maintenance is less.
According to another specific embodiment of the invention, a shaft sleeve is arranged at the top of the tilling blade arm, a rotating shaft is arranged in the shaft sleeve, and two axial ends of the rotating shaft extend out of the shaft sleeve and are respectively and fixedly connected with the connecting rod and the rocker arm.
According to another embodiment of the invention, the connecting rod and/or the rocker arm are keyed to the rotary shaft.
According to another embodiment of the invention, the set angle is an obtuse angle.
According to another embodiment of the invention, after the liquid in the liquid storage device enters the first cavity from the first pipeline, the liquid in the second cavity flows back to the liquid storage device through the second pipeline, the push rod moves towards the connecting rod along the first direction, and the scraper can be lifted;
after liquid in the liquid storage device enters the second cavity from the second pipeline, the liquid in the first cavity flows back to the liquid storage device through the first pipeline, the push rod moves away from the connecting rod along the first direction, and the scraper can be lowered.
According to another embodiment of the present invention, the method further comprises:
the first three-way ball valve is connected with the first pipeline, a first branch pipe and a second branch pipe, the first branch pipe is connected with a water outlet of the liquid storage device, the second branch pipe is connected with a water return port of the liquid storage device, the first pipeline is communicated with the first branch pipe when the first three-way ball valve is at a first position, and the first pipeline is communicated with the second branch pipe when the first three-way ball valve is switched from the first position to a second position;
the second tee bend ball valve is connected with second pipeline, third branch pipe, fourth branch pipe, the third branch pipe with the delivery port of stock solution equipment is connected, the fourth branch pipe with the return water mouth of stock solution equipment is connected, the second tee bend ball valve is when the primary importance, the second pipeline with the third branch pipe intercommunication, the second tee bend ball valve is by the primary importance when switching to the secondary importance, the second pipeline with the fourth branch pipe intercommunication.
According to another specific embodiment of the present invention, the first three-way ball valve and the second three-way ball valve are pneumatic three-way ball valves.
The present invention also provides a filter tank comprising: the squeegee elevation device of any one of the above; the scraper is rotatably connected with the other end of the rocker arm; the main shaft can drive the ploughing blade arm to rotate and can move in a second direction, and the second direction is consistent with the lifting direction of the scraping plate.
According to another embodiment of the invention, the first direction and the second direction are perpendicular to each other.
Drawings
FIG. 1 shows a first side view of a screed lifting device according to an embodiment of the present invention;
FIG. 2 shows a second side view of the squeegee elevation device of an embodiment of the invention;
fig. 3 is a schematic view showing a liquid path structure of the squeegee elevating device according to the embodiment of the invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to these embodiments. On the contrary, the invention is described in connection with the embodiments for the purpose of covering alternatives or modifications that may be extended based on the claims of the present invention. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be practiced without these particulars. Moreover, some of the specific details have been left out of the description in order to avoid obscuring or obscuring the focus of the present invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.
The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1, the present invention provides a scraper elevating apparatus for elevating a scraper 2 of a filter tank 1, comprising: a tilling blade arm 10; a link 20 rotatably mounted to the blade arm 10; a rocker 30 rotatably mounted on the blade arm 10, wherein one end of the rocker 30 is disposed at a predetermined angle to one end of the connecting rod 20, and the other end is rotatably connected to the scraper 2, and the rocker 30 can rotate synchronously with the connecting rod 20 to drive the scraper 2 to move up and down; a piston chamber 50, the chamber of the piston chamber 50 being partitioned into a first chamber 51 and a second chamber 52 by a push rod 40 extending in a first direction (shown in the direction X in fig. 1), the first chamber 51 being connected to a reservoir device (not shown) through a first pipeline 61, and the second chamber 52 being connected to the reservoir device through a second pipeline 62; the part of the push rod 40 outside the piston cavity 50 is rotatably connected with the other end of the connecting rod 20, and the push rod 40 can move relative to the piston cavity 50 along the first direction under the action of the water pressure difference between the first cavity 51 and the second cavity 52 so as to drive the connecting rod 20 to rotate relative to the tilling blade arm 10.
Alternatively, the piston chamber 50 is installed at the top of the blade arm 10 (the side facing away from the blade 2), but the installation position of the piston chamber 50 is not limited, and the push rod 40 can push the connecting rod 20 to rotate relative to the blade arm 10.
The invention uses liquid (such as water) as the pushing force for lifting the scraper 2, and has two pipelines, when the scraper 2 needs to be lifted, optionally, the liquid in the liquid storage device enters the first cavity 51 of the piston cavity 50 through the first pipeline 61, the water pressure in the first cavity 51 is greater than the water pressure in the second cavity 52, the push rod 40 moves in the direction (shown in the direction a in fig. 1) toward the connecting rod 20, the push rod 40 drives the connecting rod 20 to rotate, and thus the rocker arm 30 rotates synchronously with the connecting rod 20 to drive the scraper 2 to lift.
When the scraper 2 needs to descend, liquid in the liquid storage device enters the second cavity 52 of the piston cavity 50 through the second pipeline 62, the water pressure in the second cavity 52 is greater than the water pressure in the first cavity 51, the push rod 40 moves in a direction (shown in a direction B in fig. 1) away from the connecting rod 20, at this time, the push rod 40 in the piston cavity 50 retracts to the original position, the push rod 40 drives the connecting rod 20 to rotate reversely, and therefore the rocker arm 30 synchronously rotates reversely along with the connecting rod 20 to drive the scraper 2 to descend.
On one hand, the invention has no complicated mechanical mechanism and simple structure; on the other hand, the stability is high, the service life is long, the fault is not easy to occur, and the maintenance is less.
It should be noted that in some embodiments, when the blade 2 needs to be lifted, the liquid in the liquid storage device enters the second cavity 52; when the scraper 2 needs to descend, liquid in the liquid storage device enters the first cavity 51.
In addition, the rotatable connection mode of the connecting rod 20 and the rocker 30 with the tilling blade arm 10 is not limited, in this embodiment, referring to fig. 2, a shaft sleeve 11 is arranged at the top of the tilling blade arm 10 (the side facing away from the scraping plate 2), a rotating shaft 12 is arranged in the shaft sleeve 11, and the rotating shaft 12 can rotate relative to the shaft sleeve 11; optionally, an axial direction (shown as a Z direction in fig. 2) of the rotating shaft 12 is perpendicular to the first direction, and both axial ends of the rotating shaft 12 extend out of the shaft sleeve 11 and are fixedly connected to the connecting rod 20 and the rocker arm 30, respectively. Thus, the push rod 40 drives the link 20 to rotate relative to the sleeve 11, and drives the rocker 30 to rotate relative to the sleeve 11 synchronously with the link 20.
The fixed connection mode between the connecting rod 20 and the rocker 30 and the rotating shaft 12 is not limited, and in this embodiment, the connecting rod 20 and the rocker 30 are connected with the rotating shaft 12 in a key manner, or one of the connecting rod 20 and the rocker 30 is connected with the rotating shaft 12 in a key manner. In some embodiments, the connecting rod 20 and the rocker arm 30 are welded to the shaft 12, or one of the connecting rod 20 and the rocker arm 30 is welded to the shaft.
In addition, the set angle between one end of the rocker 30 and one end of the connecting rod 20 is an obtuse angle, which facilitates the rotation of the connecting rod 20 driven by the push rod 40. Optionally, the obtuse angles are 115 °, 120 °, 150 °, etc. In addition, optionally, the ratio of the length of the connecting rod 20 to the length of the swing arm 30 ranges from 1/5 to 1/4, which is more favorable for the push rod 40 to drive the connecting rod 20 to rotate so as to realize the lifting and lowering of the scraper 2.
In some embodiments of the present invention, after the liquid in the liquid storage device enters the first cavity 51 through the first pipeline 61, the liquid in the second cavity 52 flows back to the liquid storage device through the second pipeline 62, the push rod 40 moves towards the connecting rod 20 along the first direction, and the scraper 2 can be lifted; after the liquid in the liquid storage device enters the second cavity 52 through the second pipeline 62, the liquid in the first cavity 51 flows back to the liquid storage device through the first pipeline 61, the push rod 40 moves away from the connecting rod 20 in the first direction, and the scraper 2 can be lowered. Namely, the liquid circulation recycling function is realized.
Specifically, optionally, in a ploughing grain state, the scraper 2 needs to be lifted to a high position, at this time, the liquid in the first pipeline 61 starts to enter the first cavity 51 of the piston cavity 50, the push rod 40 in the piston cavity 50 moves forward under the pushing of the liquid, the liquid in the second cavity 52 is pressed back to the liquid storage device through the second pipeline 62, and the rocker arm 30 connected with the scraper 2 swings upwards slowly under the action of the push rod 40, so that the scraper 2 is lifted to the high position; in the groove removing state, the scraper 2 needs to be lowered to the low position, at this time, the liquid in the second pipeline 62 starts to enter the second cavity 52 of the piston cavity 50, the push rod 40 in the piston cavity 50 moves back under the push of the liquid, the liquid in the first cavity 51 is pressed back to the liquid storage device through the first pipeline 61, and the rocker arm 30 connected with the scraper 2 slowly swings downwards under the action of the push rod 40, so that the scraper 2 is lowered to the low position.
Therefore, the power for lifting and descending the scraper 2 is liquid, the liquid can be recycled in the whole process, the liquid is used as the power, the environment is protected, the energy is saved, the two pipelines are connected with the two ends of the piston cavity 50, the reciprocating motion is realized through the on-off control of a valve which is described later, the scraper 2 is driven to move up and down, and the height of the scraper 2 can be adjusted to different heights according to the change of the water pressure difference of the first cavity 51 and the second cavity 52, so that the production requirement is met.
Referring to fig. 3, specifically, the blade 2 elevating device further includes: the first three-way ball valve 63 is connected with the first pipeline 61, a first branch pipe 611 and a second branch pipe 612, the first branch pipe 611 is connected with a water outlet of the liquid storage device, the second branch pipe 612 is connected with a water return port of the liquid storage device, when the first three-way ball valve 63 is at a first position, the first pipeline 61 is communicated with the first branch pipe 611, and when the first three-way ball valve 63 is switched from the first position to a second position, the first pipeline 61 is communicated with the second branch pipe 612; and a second three-way ball valve 64 connected to the second pipeline 62, the third branch pipe 621 and the fourth branch pipe 622, the third branch pipe 621 is connected to the water outlet of the liquid storage device, the fourth branch pipe 622 is connected to the water return port of the liquid storage device, the second three-way ball valve 64 is at the first position, the second pipeline 62 is communicated with the third branch pipe 621, when the second three-way ball valve 64 is switched to the second position by the first position, the second pipeline 62 is communicated with the fourth branch pipe 622.
Optionally, the second branch pipe 612 and the third branch pipe 621 are connected to the water return port of the liquid storage device through the same pipeline, and the second branch pipe 612 and the fourth branch pipe 622 are connected to the water return port of the liquid storage device through the same pipeline.
Optionally, in a furrow state, the scraper 2 needs to be lifted to a high position, at this time, the first three-way ball valve 63 is in a first position, the second three-way ball valve 64 is in a second position, liquid in the liquid storage device enters the first pipeline 61 from the first branch pipe 611 and then enters the first cavity 51, and liquid in the second cavity 52 enters the fourth branch pipe 622 from the second pipeline 62 and then returns to the liquid storage device; in the lees discharging state, the scraper 2 needs to be lowered to the low position, at this time, the first three-way ball valve 63 is in the second position, the second three-way ball valve 64 is in the first position, the liquid in the liquid storage device enters the second pipeline 62 from the third branch pipe 621 and then enters the second cavity 52, and the liquid in the first cavity 51 is pressed into the second branch pipe 612 from the first pipeline 61 and then returns to the liquid storage device.
Optionally, the first three-way ball valve 63 and the second three-way ball valve 64 are pneumatic three-way ball valves.
In addition, it should be noted that the diameter of the piston cavity 50 of the present invention is D, the thrust force F required by the scraper 2 can be calculated according to the weight and the lifting height of the scraper 2, and in addition, some influences such as frictional resistance are considered, so that the value of the safety coefficient α is generally considered under the original working condition1.2-1.5, the cross-sectional area S of the piston chamber 50 can be calculated under the condition that the hydraulic pressure P is known, so as to calculate the diameter D of the piston chamber 50 (α F is PS, pressure is pressure applied area),
the displacement of the push rod 40 in the piston chamber 50 is generally calculated according to the height of the blade 2 to be lifted, and is in the range of 0 to 300 mm.
The present invention also provides a filter tank 1 comprising: the squeegee 2 lifting device according to any of the embodiments; the scraper 2 is rotatably connected with the other end of the rocker arm 30; and a main shaft 3, wherein the blade arm 10 is connected to an upper end of the main shaft 3, and the main shaft 3 can drive the blade arm 10 to rotate and move in a second direction (shown in a Y direction in fig. 1) which is consistent with a lifting direction of the scraper 2. Optionally, the first direction and the second direction are perpendicular to each other.
The novel liquid power circulation lifting system solves the problems that the original mechanical structure is easy to deform, difficult to hook and unhook, unstable and the like, greatly improves the working efficiency, reduces the production cost, can be recycled, and is energy-saving and environment-friendly.
While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the invention, taken in conjunction with the specific embodiments thereof, and that no limitation of the invention is intended thereby. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.
Claims (9)
1. A squeegee elevating device, comprising:
a ploughing cutter arm;
a link rotatably mounted to the blade arm;
the rocker arm is rotatably arranged on the tillage knife arm, one end of the rocker arm is arranged at a set angle with one end of the connecting rod, the other end of the rocker arm is used for being rotatably connected with the scraper, and the rocker arm can synchronously rotate along with the connecting rod to drive the scraper to lift;
the piston cavity is divided into a first cavity and a second cavity by a push rod extending along a first direction, the first cavity is connected with a liquid storage device through a first pipeline, and the second cavity is connected with the liquid storage device through a second pipeline;
the part of the push rod, which is positioned outside the piston cavity, is rotationally connected with the other end of the connecting rod, and the push rod can move relative to the piston cavity along the first direction under the action of the water pressure difference between the first cavity and the second cavity so as to drive the connecting rod to rotate relative to the tillage knife arm.
2. The scraper lift device of claim 1, wherein a bushing is disposed on the top of the blade arm, a rotating shaft is disposed in the bushing, and two axial ends of the rotating shaft extend out of the bushing and are fixedly connected to the connecting rod and the rocker arm, respectively.
3. The squeegee lifter apparatus of claim 2, wherein the link and/or the rocker arm are keyed to the shaft.
4. The squeegee lifter apparatus of claim 1, wherein the set angle is an obtuse angle.
5. The squeegee lifting device of claim 1, wherein after the liquid in the liquid storage device enters the first cavity through the first pipeline, the liquid in the second cavity flows back to the liquid storage device through the second pipeline, the push rod moves towards the connecting rod along the first direction, and the squeegee can be lifted;
after liquid in the liquid storage device enters the second cavity from the second pipeline, the liquid in the first cavity flows back to the liquid storage device through the first pipeline, the push rod moves away from the connecting rod along the first direction, and the scraper can be lowered.
6. The squeegee lifter apparatus of claim 5, further comprising:
the first three-way ball valve is connected with the first pipeline, a first branch pipe and a second branch pipe, the first branch pipe is connected with a water outlet of the liquid storage device, the second branch pipe is connected with a water return port of the liquid storage device, the first pipeline is communicated with the first branch pipe when the first three-way ball valve is at a first position, and the first pipeline is communicated with the second branch pipe when the first three-way ball valve is switched from the first position to a second position;
the second tee bend ball valve is connected with second pipeline, third branch pipe, fourth branch pipe, the third branch pipe with the delivery port of stock solution equipment is connected, the fourth branch pipe with the return water mouth of stock solution equipment is connected, the second tee bend ball valve is when the primary importance, the second pipeline with the third branch pipe intercommunication, the second tee bend ball valve is by the primary importance when switching to the secondary importance, the second pipeline with the fourth branch pipe intercommunication.
7. The squeegee lifter apparatus of claim 6, wherein the first three-way ball valve and the second three-way ball valve are pneumatic three-way ball valves.
8. A filter tank, comprising:
the squeegee elevation device of any one of claims 1-7;
the scraper is rotatably connected with the other end of the rocker arm;
the main shaft can drive the ploughing blade arm to rotate and can move in a second direction, and the second direction is consistent with the lifting direction of the scraping plate.
9. A filter tank as claimed in claim 8 wherein said first direction and said second direction are perpendicular to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010185844.3A CN111196958A (en) | 2020-03-17 | 2020-03-17 | Scraper blade elevating gear and filter tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010185844.3A CN111196958A (en) | 2020-03-17 | 2020-03-17 | Scraper blade elevating gear and filter tank |
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| Publication Number | Publication Date |
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| CN111196958A true CN111196958A (en) | 2020-05-26 |
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| CN202010185844.3A Pending CN111196958A (en) | 2020-03-17 | 2020-03-17 | Scraper blade elevating gear and filter tank |
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| DE29510245U1 (en) * | 1995-06-23 | 1995-08-31 | Anton Steinecker Maschinenfabrik GmbH, 85356 Freising | Hoisting device for a lauter tun for beer production |
| CN105782466A (en) * | 2016-04-20 | 2016-07-20 | 正洲泵阀制造有限公司 | Hydraulic control valve assembly |
| CN109536317A (en) * | 2019-01-02 | 2019-03-29 | 宁波乐惠国际工程装备股份有限公司 | A kind of row's grain screeding device and the filtration system with it |
| CN109762683A (en) * | 2019-02-28 | 2019-05-17 | 宁波乐惠国际工程装备股份有限公司 | Scraper plate and lautertuns comprising the scraper plate |
| CN212102752U (en) * | 2020-03-17 | 2020-12-08 | 宁波乐惠国际工程装备股份有限公司 | Scraper blade elevating gear and filter tank |
-
2020
- 2020-03-17 CN CN202010185844.3A patent/CN111196958A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29510245U1 (en) * | 1995-06-23 | 1995-08-31 | Anton Steinecker Maschinenfabrik GmbH, 85356 Freising | Hoisting device for a lauter tun for beer production |
| CN105782466A (en) * | 2016-04-20 | 2016-07-20 | 正洲泵阀制造有限公司 | Hydraulic control valve assembly |
| CN109536317A (en) * | 2019-01-02 | 2019-03-29 | 宁波乐惠国际工程装备股份有限公司 | A kind of row's grain screeding device and the filtration system with it |
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