CN112548946A - Filter element replacing device for plug-in type hydraulic filter on hydraulic system - Google Patents
Filter element replacing device for plug-in type hydraulic filter on hydraulic system Download PDFInfo
- Publication number
- CN112548946A CN112548946A CN201910850958.2A CN201910850958A CN112548946A CN 112548946 A CN112548946 A CN 112548946A CN 201910850958 A CN201910850958 A CN 201910850958A CN 112548946 A CN112548946 A CN 112548946A
- Authority
- CN
- China
- Prior art keywords
- bottom plate
- linear rail
- filter
- hydraulic
- cartridge
- 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.)
- Granted
Links
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/615—Filtering means
Abstract
The invention discloses a filter element replacing device for a plug-in type hydraulic filter on a hydraulic system, which is connected to a hydraulic oil tank and comprises a fixing mechanism, a rotating mechanism arranged on the fixing mechanism, a plug-in mechanism arranged on the rotating mechanism and a connecting mechanism arranged outside the fixing mechanism and used for connecting with the hydraulic oil tank, wherein the rotating mechanism is arranged on the fixing mechanism; the fixing mechanism comprises a bottom plate and bearing seats connected to the upper end and the lower end of the bottom plate; the rotating mechanism comprises a lead screw, the lower end of the lead screw is connected to a bearing seat at the lower end of the bottom plate, the upper end of the lead screw is connected to the bearing seat at the upper end of the bottom plate, and a hand wheel is connected to the outside of the bearing seat extending out of the upper end of the bottom plate; the plug-in mounting mechanism comprises a high-precision linear rail and a linear rail sliding block, wherein the high-precision linear rail is arranged on the bottom plate, the linear rail sliding block is in threaded connection with the screw rod and moves along the high-precision linear rail, and a supporting ring is connected to the linear rail sliding block. The invention can safely, reliably and laborsavingly replace the filter element of the hydraulic system filter by only one person.
Description
Technical Field
The invention relates to an auxiliary element of a hydraulic system, in particular to a filter element replacing device for a plug-in type hydraulic filter on the hydraulic system.
Background
Most faults of the hydraulic system are caused by impurities mixed in the working medium, so that the cleaning of the working medium is a necessary condition for the normal operation of the hydraulic system. The common method is to trap impurities and dirt in a working medium by installing a hydraulic filter, so that oil is kept clean, and the normal work of a hydraulic system is ensured. The oil supply filter of the traditional hydraulic system usually adopts a plug-in type filter which is arranged on two sides of a hydraulic oil tank, and the plug-in type filter has the advantages of simple structure, reliable use and good universality. However, the filter element replacement work of the filter is time-consuming and labor-consuming, two persons are required to work together, the connection between the cylinder outside the filter element and the valve block is realized by screwing the fine thread, the outer cylinder of the filter element is very heavy, and the fine thread is difficult to smoothly guide, so the outer cylinder of the filter element is very difficult to install, and the working efficiency is influenced.
In the existing patent application, as disclosed in patent CN201650936U, a special support for replacing a filter of a hydraulic oil tank is provided, which adopts a connection disc and three support rods hinged with the periphery of the connection disc at equal intervals to form a triangular support frame, a screw hole is formed in the center of the connection disc, a screw rod is screwed in the screw hole in the center of the connection disc, a manual rotary disc is fixed on the upper part of the screw rod and is positioned above the connection disc, and a sleeve is fixedly arranged at the top end of the screw rod; the filter below is located to this support during operation, and three spinal branch vaulting poles of adjustment make the support be located appropriate height, with the sleeve on the lug of filter housing bottom, rotatory manual turntable drives the lead screw rotation this moment, and the lead screw is rotatory to be made the sleeve drive filter decline, can implement the change when the filter descends to suitable position.
The principle of a screw jack is utilized in the above patent, but facilities such as a pump of a hydraulic pump station, a hydraulic hose and the like are often arranged below a filter on the site, and the position where the support can be placed is difficult to find, so that the special support can only replace part of the filter, and the special support only replaces a filter element safely, and two persons are required to cooperate during operation.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a filter element replacing device for a plug-in type hydraulic filter on a hydraulic system, which can replace the filter element of the hydraulic system filter safely, reliably and laborsavingly by only one person.
In order to achieve the purpose, the invention adopts the following technical scheme:
a filter element replacing device for a plug-in type hydraulic filter on a hydraulic system is connected to a hydraulic oil tank and comprises a fixing mechanism, a rotating mechanism arranged on the fixing mechanism, a plug-in mechanism arranged on the rotating mechanism and a connecting mechanism arranged outside the fixing mechanism and used for being connected with the hydraulic oil tank;
the fixing mechanism comprises a bottom plate and bearing seats connected to the upper end and the lower end of the bottom plate;
the rotating mechanism comprises a screw rod, the lower end of the screw rod is connected to a bearing seat at the lower end of the bottom plate, the upper end of the screw rod is connected to the bearing seat at the upper end of the bottom plate, and a hand wheel is connected to the outside of the bearing seat extending out of the upper end of the bottom plate;
the plug-in mounting mechanism comprises a high-precision linear rail and a linear rail sliding block, the high-precision linear rail is arranged on the bottom plate, the linear rail sliding block is in threaded connection with the lead screw and moves along the high-precision linear rail, and the linear rail sliding block is connected with a supporting ring.
The bottom plate is connected and fixed with the bearing seat, the bottom plate is connected with the high-precision linear rail, and the linear rail sliding block is connected and fixed with the support ring through bolts.
The linear rail sliding block is in threaded connection with the screw rod through a nut.
The connecting mechanism comprises an upper positioning block and a lower positioning block which are connected to the outer side surface of the hydraulic oil tank, and a positioning inclined plane which is connected to the outer side surface of the bottom plate and matched with the upper positioning block and the lower positioning block.
The upper positioning block, the lower positioning block and the positioning inclined plane matched with the upper positioning block are all inserted and connected through dovetail groove structures.
According to the filter element replacing device for the plug-in type hydraulic filter on the hydraulic system, the filter element cylinder can be easily and quickly lifted in place by utilizing the screw rod and the nut structure, and then the filter element cylinder is manually screwed and installed in place, so that one person can easily complete the filter element replacing operation. Because of the dovetail groove structure can with the quick accurate installation of specialized tool put in place, this technique realizes the light quick change filter core operation alone, improves labor efficiency, reduces intensity of labour.
Drawings
FIG. 1 is a front view of the cartridge changer of the present invention;
fig. 2 is a left side view of the cartridge changer of fig. 1;
fig. 3 is a top view of the cartridge changer of fig. 1;
FIG. 4 is a schematic view of an upper locating block of the cartridge changer of the present invention;
FIG. 5 is a schematic view of a lower locating block of the cartridge changer of the present invention;
FIG. 6 is a schematic view of a prior art cartridge hydraulic filter;
fig. 7 is a schematic view showing a filter cartridge replacement operation using the filter cartridge replacement device of the present invention.
Detailed Description
The technical scheme of the invention is further explained by combining the drawings and the embodiment.
Referring to fig. 1 to 7, the filter cartridge changer 100 for a hydraulic filter cartridge of a hydraulic system according to the present invention is connected to a hydraulic tank, and is disposed at an edge of each filter 200, and includes a fixing mechanism, a rotating mechanism mounted on the fixing mechanism, a cartridge mounted on the rotating mechanism, and a connecting mechanism mounted at an outer side of the fixing mechanism for connecting to the hydraulic tank.
Preferably, the fixing mechanism comprises a bottom plate 1 and bearing seats 3 and 4 connected to the upper end and the lower end of the bottom plate 1 through bolts 2.
Preferably, the rotating mechanism comprises a screw rod 5, the lower end of the screw rod 5 is connected to a bearing seat 4 at the lower end of the bottom plate 1, and after the upper end of the screw rod 5 is connected to the bearing seat 3 at the upper end of the bottom plate 1, a hand wheel 6 is connected to the outside of the bearing seat 3 extending out of the upper end of the bottom plate 1.
Preferably, the insertion mechanism comprises a high-precision linear rail 7 and a linear rail sliding block 8, the high-precision linear rail 7 is mounted on the bottom plate 1 through a bolt 9, the linear rail sliding block 8 and the lead screw 5 form threaded connection through a nut and slide up and down along the high-precision linear rail 7, a support ring 11 is connected to the linear rail sliding block 8 through a bolt 10, the lead screw 5 is driven to rotate by rotating the hand wheel 6, the linear rail sliding block 8 is driven to move up and down along the high-precision linear rail 7, and the support ring 11 is also driven to move up and down.
Preferably, the connecting mechanism comprises an upper positioning block 12 and a lower positioning block 13 connected to the outer side surface of the hydraulic oil tank, and a positioning inclined surface 14 connected to the outer side surface of the base plate 1 and adapted to the upper positioning block 12 and the lower positioning block 13.
Preferably, the upper positioning block 12, the lower positioning block 13 and the positioning inclined plane 14 adapted thereto are all inserted and connected through dovetail groove structures.
As shown in fig. 6, the conventional cartridge type hydraulic filter has a structure in which a cartridge 15 is provided with a fine thread at an upper portion of the cartridge 15 to be connected to a valve block 16, and a cartridge 17 is connected to the valve block 16 by a thread and the cartridge 17 is disposed in the cartridge 15.
As shown in fig. 7, the filter cartridge changer 100 is inserted into the upper positioning block 12 and the lower positioning block 13 on the outer side surface of the hydraulic oil tank through the positioning inclined plane 14, so that the filter cartridge changer 100 is positioned on the side of the filter 200, and the support ring 11 is sleeved at the bottom position outside the filter cartridge 15; the connecting thread of the filter element cylinder 15 is unscrewed and is placed in the support ring 11 of the filter element replacing device 100; removing the filter element 17 and cleaning the filter element cylinder 15 and the garbage on the joint surface; installing a new filter cartridge 17; the hand wheel 6 of the filter element replacing device 100 is rotated to lead the support ring 11 to drive the filter element cylinder 15 to lift; screwing the connecting threads of the filter element cylinder 17 to complete the operation of replacing the filter element 17; the present cartridge changer 100 is removed.
It should be understood by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as a limitation of the present invention, and that changes and modifications to the above described embodiments are within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.
Claims (5)
1. The utility model provides a filter core changing device that is used for cartridge formula hydraulic filter on hydraulic system, links to on the hydraulic tank, its characterized in that: the hydraulic oil tank connecting device comprises a fixing mechanism, a rotating mechanism arranged on the fixing mechanism, an inserting mechanism arranged on the rotating mechanism, and a connecting mechanism arranged outside the fixing mechanism and used for being connected with the hydraulic oil tank;
the fixing mechanism comprises a bottom plate and bearing seats connected to the upper end and the lower end of the bottom plate;
the rotating mechanism comprises a screw rod, the lower end of the screw rod is connected to a bearing seat at the lower end of the bottom plate, the upper end of the screw rod is connected to the bearing seat at the upper end of the bottom plate, and a hand wheel is connected to the outside of the bearing seat extending out of the upper end of the bottom plate;
the plug-in mounting mechanism comprises a high-precision linear rail and a linear rail sliding block, the high-precision linear rail is arranged on the bottom plate, the linear rail sliding block is in threaded connection with the lead screw and moves along the high-precision linear rail, and the linear rail sliding block is connected with a supporting ring.
2. A cartridge changer for a cartridge-type hydraulic filter in a hydraulic system as set forth in claim 1, wherein: the bottom plate is connected and fixed with the bearing seat, the bottom plate is connected with the high-precision linear rail, and the linear rail sliding block is connected and fixed with the support ring through bolts.
3. A cartridge changer for a cartridge-type hydraulic filter in a hydraulic system as set forth in claim 1, wherein: the linear rail sliding block is in threaded connection with the screw rod through a nut.
4. A cartridge changer for a cartridge-type hydraulic filter in a hydraulic system as set forth in claim 1, wherein: the connecting mechanism comprises an upper positioning block and a lower positioning block which are connected to the outer side surface of the hydraulic oil tank, and a positioning inclined plane which is connected to the outer side surface of the bottom plate and matched with the upper positioning block and the lower positioning block.
5. The cartridge changer for a cartridge-type hydraulic filter of a hydraulic system according to claim 4, wherein: the upper positioning block, the lower positioning block and the positioning inclined plane matched with the upper positioning block are all inserted and connected through dovetail groove structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910850958.2A CN112548946B (en) | 2019-09-10 | 2019-09-10 | Filter element replacing device for plug-in type hydraulic filter on hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910850958.2A CN112548946B (en) | 2019-09-10 | 2019-09-10 | Filter element replacing device for plug-in type hydraulic filter on hydraulic system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112548946A true CN112548946A (en) | 2021-03-26 |
| CN112548946B CN112548946B (en) | 2022-07-19 |
Family
ID=75028772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910850958.2A Active CN112548946B (en) | 2019-09-10 | 2019-09-10 | Filter element replacing device for plug-in type hydraulic filter on hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112548946B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101362288A (en) * | 2007-08-08 | 2009-02-11 | 鸿富锦精密工业（深圳）有限公司 | Mold warming machine filter-element mounting and replacing method |
| CN201287319Y (en) * | 2008-08-29 | 2009-08-12 | 上海宝钢设备检修有限公司 | Tool for assembling-disassembling filter-core of filter |
| CN103317275A (en) * | 2013-06-09 | 2013-09-25 | 黄石东贝机电集团太阳能有限公司 | Welding assembly fixture of jacket and liner of pressure-bearing water tank |
| CN103692203A (en) * | 2013-12-13 | 2014-04-02 | 贵州贵航汽车零部件股份有限公司 | Automatic assembling machine for plugging piece type heat radiator fins |
| US20170106512A1 (en) * | 2016-01-04 | 2017-04-20 | Leon Joseph Raudys | Pop-up drain filter tool |
-
2019
- 2019-09-10 CN CN201910850958.2A patent/CN112548946B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101362288A (en) * | 2007-08-08 | 2009-02-11 | 鸿富锦精密工业（深圳）有限公司 | Mold warming machine filter-element mounting and replacing method |
| CN201287319Y (en) * | 2008-08-29 | 2009-08-12 | 上海宝钢设备检修有限公司 | Tool for assembling-disassembling filter-core of filter |
| CN103317275A (en) * | 2013-06-09 | 2013-09-25 | 黄石东贝机电集团太阳能有限公司 | Welding assembly fixture of jacket and liner of pressure-bearing water tank |
| CN103692203A (en) * | 2013-12-13 | 2014-04-02 | 贵州贵航汽车零部件股份有限公司 | Automatic assembling machine for plugging piece type heat radiator fins |
| US20170106512A1 (en) * | 2016-01-04 | 2017-04-20 | Leon Joseph Raudys | Pop-up drain filter tool |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112548946B (en) | 2022-07-19 |
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