CN105031985A - Protection mechanism of hydraulic control system in plate and frame filter press - Google Patents
Protection mechanism of hydraulic control system in plate and frame filter press Download PDFInfo
- Publication number
- CN105031985A CN105031985A CN201510399774.0A CN201510399774A CN105031985A CN 105031985 A CN105031985 A CN 105031985A CN 201510399774 A CN201510399774 A CN 201510399774A CN 105031985 A CN105031985 A CN 105031985A
- Authority
- CN
- China
- Prior art keywords
- jacket casing
- plate
- guide rod
- recessed
- pressing plate
- 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.)
- Pending
Links
Landscapes
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses a protection mechanism of a hydraulic control system in a plate and frame filter press. The protection mechanism comprises a concave cylinder sleeve, a cylinder sleeve, a steel ball, a first pressure plate, a second pressure plate, a first guide rod, a second guide rod, a coil spring, a stopper plate, a pressure damping ring, a cone and a piston, wherein the piston is provided with an oil channel connecting a low-pressure oil chamber and a high-pressure oil chamber; the concave cylinder sleeve and the cylinder sleeve are both disposed inside the oil channel; and the steel ball is located inside the cylinder sleeve. The oil channel has a segment that forms a conic flow channel; the cone is located inside the conic flow channel; and the pressure damping ring is disposed between the concave cylinder sleeve and the cone. The first pressure plate is located inside the concave cylinder sleeve, and a right end of the first guide rod is connected to the first pressure plate while a left end of the first guide rod is disposed inside the low-pressure oil chamber. The second pressure plate and the stopper plate are both disposed inside the cylinder sleeve; a left end of the second guide rod is connected to the second pressure plate while a right end of the second guide rod is disposed inside the high-pressure oil chamber; and two ends of the coil spring act on the second pressure plate and the stopper plate separately. According to the invention, the protection mechanism in application provides over-pressure protection for components of the hydraulic control system and is convenient for promotion and application.
Description
Technical field
The present invention relates to technical field of solid-liquid separation equipment, specifically the protection mechanism of hydraulic control system in plate and frame type filter-press.
Background technology
Plate and frame type filter-press is a kind of filter plant realizing Separation of Solid and Liquid in filter material, and it is widely used in the technological process of production and the sewage disposal of the industries such as oil, chemical industry, medicine, food, metallurgy, coal.After filter material passes into plate and frame type filter-press, by press filtration operation, liquid is discharged, and solid-state filter cake is formed between the filter cloth in adjacent two filter pad chamber.Plate and frame type filter-press usually adopts hydraulic control system when carrying out press filtration operation, current hydraulic control system can cause assembly to damage when the high-voltage oil cavity oiling of oil cylinder is too much because oil pressure is too high, this have impact on hydraulic control system applying when plate and frame type filter-press press filtration operates.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art; provide the protection mechanism of hydraulic control system in a kind of plate and frame type filter-press; its overall structure is simple; be convenient to realize; cost is low; the energy draining step-down when the high-voltage oil cavity oil pressure of oil cylinder is too high, and then the object of protection assembly can be reached, easy to utilize.
The present invention solves the problem and is achieved through the following technical solutions: the protection mechanism of hydraulic control system in plate and frame type filter-press, comprise recessed jacket casing, jacket casing, steel ball, first pressing plate, second pressing plate, first guide rod, second guide rod, helical spring, limiting plate, pressure buffer ring, cone cylinder and piston, described piston is configured with the liquid flow channel for oil connecting low pressure oil pocket and high-voltage oil cavity, described recessed jacket casing and jacket casing are all located in liquid flow channel for oil, recessed jacket casing to be positioned on the left of jacket casing and to splice with jacket casing, described steel ball is positioned at jacket casing, steel ball size is greater than the internal diameter of recessed jacket casing and is less than the internal diameter of jacket casing, liquid flow channel for oil on the left of described recessed jacket casing has one section and forms tapered runner left small and right large, and described cone cylinder is positioned at this tapered runner, and pressure buffer is located between recessed jacket casing and cone cylinder, described first pressing plate is positioned at recessed jacket casing, and the first guide rod right-hand member is connected with the first pressing plate, and its left end is successively through being arranged in low pressure oil pocket after recessed jacket casing, pressure buffer ring, cone cylinder, described second pressing plate and limiting plate are all positioned at jacket casing, limiting plate is positioned on the right side of steel ball, second pressing plate is between steel ball and limiting plate, jacket casing right-hand member indent is configured with the position limiting convex ring that restriction limiting plate moves to right, described second guide rod left end is connected with the second pressing plate, its right-hand member is through limiting plate and be located in high-voltage oil cavity, and described helical spring is set on the second guide rod and its two ends act on the second pressing plate and limiting plate respectively.Piston of the present invention is also a part for hydraulic control system, and it is arranged in oil cylinder, and point grease trap inner region forms low pressure oil pocket and high-voltage oil cavity.
Further, the material of described pressure buffer ring adopts rubber.
Further, described cone cylinder adopts polytetrafluoroethylene (PTFE) or metal material to make.
For the ease of the splicing of recessed jacket casing and jacket casing, further, described recessed jacket casing is identical with the external diameter of jacket casing.
In sum, the present invention has following beneficial effect: (1) overall structure of the present invention is simple, be convenient to realize, cost is low, when the present invention applies, pressure buffer ring contacts as a sealing surface with recessed jacket casing left end, steel ball contacts as another sealing surface with recessed jacket casing right-hand member, when the present invention is in installment state, seal pressure on two sealing surfaces realizes initial sealing by helical spring effect reaches pretension specific pressure, when the present invention starts working, hydraulic oil pumps into the high-voltage oil cavity of oil cylinder, in high-voltage oil cavity, oil pressure progressively raises and drives the further compression helical spring of limiting plate, and then compression steel ball, thus the seal pressure on two sealing surfaces is increased along with the increase of oil pressure, realize the sealing under duty.When piston exceedes desired location continuation left lateral; first guide rod and cylinder side wall collide and promote the first guide rod and run to the right and back down steel ball; thus make the hydraulic oil of high-voltage oil cavity leak into low pressure oil pocket by the sealing surface of steel ball and recessed jacket casing; and then stop the continuation left lateral of piston; the object of assembly in protection hydraulic control system can be reached, easy to utilize.
(2) liquid flow channel for oil on the left of the recessed jacket casing of the present invention has one section and forms tapered runner left small and right large, and cone cylinder is set in this tapered runner, wherein, tapered runner forms the buffer channel of fluid, when high-voltage oil cavity superpressure, be more conducive to fluid by tapered runner and flow to low pressure oil pocket; The present invention can support pressure buffer ring by arranging cone cylinder, makes pressure buffer ring stressed more balanced, can avoid pressure buffer ring unbalance stress and be shifted, ensureing the sealing property of recessed jacket casing and pressure buffer ring sealing surface.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention's specific embodiment.
Name in accompanying drawing corresponding to Reference numeral is called: 1, recessed jacket casing, 2, jacket casing, 3, steel ball, and the 4, first pressing plate, 5, the second pressing plate, the 6, first guide rod, the 7, second guide rod, 8, helical spring, 9, limiting plate, 10, pressure buffer ring, 11, cone cylinder, 12, piston.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, detailed description is further done to the present invention, but embodiments of the present invention are not limited thereto.
Embodiment 1:
As shown in Figure 1; the protection mechanism of hydraulic control system in plate and frame type filter-press; comprise recessed jacket casing 1, jacket casing 2, steel ball 3, first pressing plate 4, second pressing plate 5, first guide rod 6, second guide rod 7, helical spring 8, limiting plate 9, pressure buffer ring 10, cone cylinder 11 and piston 12; wherein; piston 12 is configured with the liquid flow channel for oil connecting low pressure oil pocket and high-voltage oil cavity, and recessed jacket casing 1 and jacket casing 2 are all located in liquid flow channel for oil.Recessed jacket casing 1 to be positioned on the left of jacket casing 2 and to splice with jacket casing 2, and recessed jacket casing 1 is identical with the external diameter of both jacket casings 2, and steel ball 3 is positioned at jacket casing 2, and steel ball 3 diameter is greater than the internal diameter of recessed jacket casing 1 and is less than the internal diameter of jacket casing 2.Liquid flow channel for oil on the left of recessed jacket casing 1 has one section and forms tapered runner left small and right large, and cone cylinder 11 is positioned at this tapered runner, and pressure buffer ring 10 is located between recessed jacket casing 1 and cone cylinder 11.First pressing plate 4 of the present embodiment is positioned at recessed jacket casing 1, first guide rod 6 right-hand member and is connected with the first pressing plate 4, and its left end is arranged in low pressure oil pocket through after recessed jacket casing 1, pressure buffer ring 10, cone cylinder 11 successively.Second pressing plate 5 of the present embodiment and limiting plate 9 are all positioned at jacket casing 2, limiting plate 9 is positioned on the right side of steel ball 3, second pressing plate 5 is between steel ball 3 and limiting plate 9, jacket casing 2 right-hand member indent is configured with the position limiting convex ring that restriction limiting plate 9 moves to right, second guide rod 7 left end is connected with the second pressing plate 5, its right-hand member is through limiting plate 9 and be located in high-voltage oil cavity, and helical spring 8 is set on the second guide rod 7 and its two ends act on the second pressing plate 5 and limiting plate 9 respectively.Convenient in order to draw materials, in the present embodiment, the material of pressure buffer ring 10 adopts rubber, and cone cylinder 11 adopts polytetrafluoroethylene (PTFE) or metal material to make.
As mentioned above, the present invention can be realized preferably.
Claims (4)
1. the protection mechanism of hydraulic control system in plate and frame type filter-press, it is characterized in that, comprise recessed jacket casing (1), jacket casing (2), steel ball (3), first pressing plate (4), second pressing plate (5), first guide rod (6), second guide rod (7), helical spring (8), limiting plate (9), pressure buffer ring (10), cone cylinder (11) and piston (12), described piston (12) is configured with the liquid flow channel for oil connecting low pressure oil pocket and high-voltage oil cavity, described recessed jacket casing (1) and jacket casing (2) are all located in liquid flow channel for oil, recessed jacket casing (1) is positioned at jacket casing (2) left side and splices with jacket casing (2), described steel ball (3) is positioned at jacket casing (2), steel ball (3) diameter is greater than the internal diameter of recessed jacket casing (1) and is less than the internal diameter of jacket casing (2), the liquid flow channel for oil in described recessed jacket casing (1) left side has one section and forms tapered runner left small and right large, and described cone cylinder (11) is positioned at this tapered runner, and pressure buffer ring (10) is located between recessed jacket casing (1) and cone cylinder (11), described first pressing plate (4) is positioned at recessed jacket casing (1), and the first guide rod (6) right-hand member is connected with the first pressing plate (4), and its left end is successively through being arranged in low pressure oil pocket after recessed jacket casing (1), pressure buffer ring (10), cone cylinder (11), described second pressing plate (5) and limiting plate (9) are all positioned at jacket casing (2), limiting plate (9) is positioned at steel ball (3) right side, second pressing plate (5) is positioned between steel ball (3) and limiting plate (9), jacket casing (2) right-hand member indent is configured with the position limiting convex ring that restriction limiting plate (9) moves to right, described second guide rod (7) left end is connected with the second pressing plate (5), its right-hand member is through limiting plate (9) and be located in high-voltage oil cavity, and described helical spring (8) is set in that the second guide rod (7) is upper and its two ends act on the second pressing plate (5) and limiting plate (9) respectively.
2. the protection mechanism of hydraulic control system in plate and frame type filter-press according to claim 1, is characterized in that, the material of described pressure buffer ring (10) adopts rubber.
3. the protection mechanism of hydraulic control system in plate and frame type filter-press according to claim 1, is characterized in that, described cone cylinder (11) adopts polytetrafluoroethylene (PTFE) or metal material to make.
4. according to the protection mechanism of hydraulic control system in the plate and frame type filter-press in claims 1 to 3 described in any one, it is characterized in that, described recessed jacket casing (1) is identical with jacket casing (2) both external diameters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510399774.0A CN105031985A (en) | 2015-07-09 | 2015-07-09 | Protection mechanism of hydraulic control system in plate and frame filter press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510399774.0A CN105031985A (en) | 2015-07-09 | 2015-07-09 | Protection mechanism of hydraulic control system in plate and frame filter press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105031985A true CN105031985A (en) | 2015-11-11 |
Family
ID=54439318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510399774.0A Pending CN105031985A (en) | 2015-07-09 | 2015-07-09 | Protection mechanism of hydraulic control system in plate and frame filter press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105031985A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04150906A (en) * | 1990-10-16 | 1992-05-25 | Ngk Insulators Ltd | Filter press |
| JP2001062209A (en) * | 1999-08-30 | 2001-03-13 | Masayoshi Udagawa | Forcing-pump for filter press dehydrator |
| US20090065418A1 (en) * | 2005-04-04 | 2009-03-12 | Horst Christian Schulte | Filter Press With Novel Filter Cake Release Mechanism |
| CN201507277U (en) * | 2009-09-16 | 2010-06-16 | 杨军 | Blowout prevention pressure testing and oil drain switch |
| CN201692712U (en) * | 2010-06-11 | 2011-01-05 | 德阳市南邡有色金属有限公司 | Hydraulic device for plate and frame type filter press |
| CN201988243U (en) * | 2011-02-23 | 2011-09-28 | 赤峰中色库博红烨锌业有限公司 | Cylinder mechanism of filter press |
| CN102937124A (en) * | 2012-12-03 | 2013-02-20 | 王广生 | Rapid hydraulic oil cylinder |
-
2015
- 2015-07-09 CN CN201510399774.0A patent/CN105031985A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04150906A (en) * | 1990-10-16 | 1992-05-25 | Ngk Insulators Ltd | Filter press |
| JP2001062209A (en) * | 1999-08-30 | 2001-03-13 | Masayoshi Udagawa | Forcing-pump for filter press dehydrator |
| US20090065418A1 (en) * | 2005-04-04 | 2009-03-12 | Horst Christian Schulte | Filter Press With Novel Filter Cake Release Mechanism |
| CN201507277U (en) * | 2009-09-16 | 2010-06-16 | 杨军 | Blowout prevention pressure testing and oil drain switch |
| CN201692712U (en) * | 2010-06-11 | 2011-01-05 | 德阳市南邡有色金属有限公司 | Hydraulic device for plate and frame type filter press |
| CN201988243U (en) * | 2011-02-23 | 2011-09-28 | 赤峰中色库博红烨锌业有限公司 | Cylinder mechanism of filter press |
| CN102937124A (en) * | 2012-12-03 | 2013-02-20 | 王广生 | Rapid hydraulic oil cylinder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109681480B (en) | Supercharger and method for pipe end hydrostatic testing machine | |
| CN204865142U (en) | Compress tightly filter material's device in pressure filter | |
| CN105031985A (en) | Protection mechanism of hydraulic control system in plate and frame filter press | |
| CN106267936B (en) | High water cut cleaned coal dehydration ultra-high pressure piston type variable capacity filter press after a kind of coal slime flotation | |
| CN204865143U (en) | Fluid pressure type pressure filter promotes system | |
| CN104984575A (en) | Safety device for hydraulic control system in frame filter press | |
| CN204603813U (en) | A kind of sliding clamp of locking | |
| CN105031984A (en) | Hydraulic control piston pushing system for press filter | |
| CN207005299U (en) | Ultrahigh pressure cylinder seal assembly | |
| CN104677725A (en) | Confining pressure cylinder device for novel split Hopkinson pressure bar active confining pressure experiment | |
| CN104455447A (en) | Hydraulic seal element | |
| CN104405720A (en) | Piston-free reciprocating hydraulic cylinder | |
| CN103573726A (en) | Gas-liquid pressurizing cylinder device | |
| CN209614736U (en) | The angle hole edge R pressurizing unit | |
| CN204755471U (en) | Plunger case seal structure | |
| CN204082084U (en) | High pressure tests sealed packer | |
| CN204003757U (en) | A kind of oil hydraulic cylinder without back cylinder cover | |
| CN201795222U (en) | Sealing bolt for automatically regulating sealing pressure | |
| CN207906196U (en) | A kind of cylinder piston rod V group sealing structure units | |
| CN202579092U (en) | Air compression oil cylinder device | |
| CN105031983A (en) | Pressing mechanism of filter press used for pressing filtering materials | |
| CN205780005U (en) | Explosion-proof type carries material oil cylinder | |
| CN204135978U (en) | Plunger displacement pump packing compresses skeleton | |
| CN204357824U (en) | A kind of band X sealing configuration oil cylinder | |
| CN203403836U (en) | Anti-falling oil pipe centralizer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151111 |