CN203654076U - Elevating gear for upper cover of pressurized sieve - Google Patents
Elevating gear for upper cover of pressurized sieve Download PDFInfo
- Publication number
- CN203654076U CN203654076U CN201320884159.5U CN201320884159U CN203654076U CN 203654076 U CN203654076 U CN 203654076U CN 201320884159 U CN201320884159 U CN 201320884159U CN 203654076 U CN203654076 U CN 203654076U
- Authority
- CN
- China
- Prior art keywords
- bearing
- upper cover
- connecting rod
- pressurized screen
- spin axis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000003028 elevating effect Effects 0.000 title abstract 5
- 230000002708 enhancing effect Effects 0.000 claims description 23
- 238000012856 packing Methods 0.000 claims description 7
- 230000037452 priming Effects 0.000 claims description 4
- 208000031481 Pathologic Constriction Diseases 0.000 claims description 3
- 208000037804 stenosis Diseases 0.000 claims description 3
- 230000036262 stenosis Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
Images
Landscapes
- Sliding-Contact Bearings (AREA)
Abstract
The utility model discloses an elevating gear for the upper cover of a pressurized sieve. The elevating gear comprises a lifting bearer fixedly connected with the cylinder body of the pressurized sieve, a rotary shaft arranged on the lifting bearer, and a rotary shaft sleeve sleeved over the upper end of the rotary shaft. The outer wall of the rotary shaft sleeve is connected with the upper cover of the pressurized sieve through a rib plate, and the top end of the rotary shaft sleeve is fixedly provided with a nut bearer. A threaded hole is arranged in the nut bearer, and a lifting screw is inserted in a screwed hole. A connecting rod is fixedly arranged on the lower end of the lifting screw along the axial direction, and the connecting rod is sleeved by a bearing. A baffle plate structure which prevents falling off of the bearing is arranged on the connecting rod at a position under the bearing, and the upper end of the rotary shaft is provided with a groove matching with the bearing and the connecting rod. The elevating gear is simple in structure, and convenient for operation, and restricts the axial displacement of the rotary shaft sleeve during lifting and falling of the bearing to minimize the frictional force between the inner wall of the rotary shaft sleeve and rotary shaft. Man-machine work efficiency of the elevating gear in use is effectively improved.
Description
Technical field
The utility model belongs to screening installation technical field, relates in particular to a kind of lowering or hoisting gear of pressurized screen upper cover.
Background technology
In present stage, pressurized screen is most popular screening installation in domestic paper industry Pulping Line.In the line service of pressurized screen, what needs were regular opens pressurized screen upper cover, checkout equipment internal operation situation, and therefore the lifting device of pressurized screen upper cover plays an important role for the good operation of equipment.As shown in Figure 1, existing lifting device is to rely between enhancing screw and nut bearing to rotate upper cover is mentioned, but after upper cover mentions, under the Action of Gravity Field of upper cover, upper cover can form larger frictional force on spin axis sleeve lining, make upper cover smooth and easy not in the time falling, easily cause danger.
Utility model content
The purpose of this utility model is just to provide a kind of lowering or hoisting gear of pressurized screen upper cover, can reduce to revolve the frictional force between an inwall and spin axis, has played better man-machine work efficiency.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of lowering or hoisting gear of pressurized screen upper cover, it comprises the lifting bearing being fixedly connected with pressurized screen cylindrical shell, promote on bearing and be provided with spin axis, the lower end of spin axis is fixedly connected with lifting bearing, the upper end of spin axis is arranged with spin axis sleeve, the outer wall of spin axis sleeve and pressurized screen upper cover pass through link of boards, one end of gusset is fixedly connected with spin axis sleeve, the other end of gusset and pressurized screen upper cover are hinged, the top of spin axis sleeve is fixedly installed nut bearing, on nut bearing, offer screwed hole, in screwed hole, be equipped with enhancing screw, described screwed hole is provided with the screw thread corresponding with described enhancing screw, the lower end edge axial restraint of described enhancing screw is provided with connecting rod, the diameter of connecting rod is less than the diameter of described enhancing screw, on connecting rod, be arranged with bearing, the position that is positioned at bearing below on connecting rod is provided with the baffle arrangement that prevents that bearing from coming off, the upper end of described spin axis offers the groove matching with bearing and connecting rod, described groove is outside broad, inner narrow notch cuttype groove, described bearing is positioned at the broad place, outside of groove, and the lower end of bearing contacts with the ladder place of groove, the lower end of described connecting rod is positioned at the inside stenosis of groove.
The sidewall of described nut bearing is provided with the priming cup that adds to leading screw oiling.
Position on described connecting rod between bearing and leading screw is arranged with baffle ring, and one end that described screw mandrel is positioned at described notch cuttype inside grooves is arranged with shaft block ring.
The upper end of described leading screw is provided with handwheel.
Between described nut bearing and spin axis sleeve, be bolted.
Hinged by connecting plate between the other end of described gusset and pressurized screen upper cover, one end of connecting plate and pressurized screen upper cover are hinged, and the other end and the gusset of connecting plate are hinged.
The described baffle arrangement that bearing comes off that prevents comprises the stop nut and the packing ring that are set on connecting rod, and described packing ring is arranged between stop nut and connecting rod.
The beneficial effects of the utility model are: of the present utility model simple in structure, easy to operate, enhancing screw, nut bearing coordinate with bearing, make bearing in the time promoting with whereabouts, all can well limit the axial dipole field of spin axis sleeve, thereby reduce the frictional force between spin axis sleeve lining and spin axis, play in use better man-machine work efficiency for lifting device, realized the lifting stably of pressurized screen upper cover; The sidewall of nut bearing is provided with the priming cup that adds to leading screw oiling, can easily between screw mandrel and nut bearing, inject lubricating oil, is convenient to the steady lifting of pressurized screen upper cover; Prevent the baffle arrangement that bearing comes off, play the effect that prevents that bearing from coming off; Bearing can be well protected in the existence of shaft block ring and baffle ring; The handwheel that screw mandrel upper end arranges, is convenient to the operation to lowering or hoisting gear.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing lifting device;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the enlarged drawing at A place in Fig. 2.
The specific embodiment
As shown in Figures 2 and 3, the lowering or hoisting gear of a kind of pressurized screen upper cover of the present utility model, it comprises the lifting bearing 4 being fixedly connected with pressurized screen cylindrical shell 2, promote on bearing 4 and be provided with spin axis 3, the lower end of spin axis 3 is fixedly connected with lifting bearing 4, the upper end of spin axis 3 is arranged with spin axis sleeve 5, the outer wall of spin axis sleeve 5 is connected by gusset 8 with pressurized screen upper cover 1, one end of gusset 8 is fixedly connected with spin axis sleeve 5, the other end of gusset 8 and pressurized screen upper cover 1 are hinged by connecting plate 9, one end of connecting plate 9 and pressurized screen upper cover 1 are hinged, the other end of connecting plate 9 and gusset 8 are hinged.The top of spin axis sleeve 5 is provided with nut bearing 6, between nut bearing 6 and spin axis sleeve 5, be connected by bolt 17, on nut bearing 6, offer screwed hole 19, in screwed hole 19, be equipped with enhancing screw 10, described screwed hole 19 is provided with and the corresponding screw thread of described enhancing screw 10, the lower end edge axial restraint of enhancing screw 10 is provided with connecting rod 18, the diameter of connecting rod 18 is less than the diameter of enhancing screw 10, on connecting rod 18, be arranged with bearing 13, the position that is positioned at bearing 13 belows on connecting rod 18 is provided with the baffle arrangement that prevents that bearing from coming off, this structure comprises the stop nut 14 and the packing ring 15 that are set on connecting rod 18, packing ring 15 is arranged between stop nut 14 and connecting rod 18, the upper end of spin axis 3 offers the groove 20 matching with bearing 13 and connecting rod 18, described groove 20 is outside broad, inner narrow notch cuttype groove, the broad place, outside that described bearing 13 is positioned at groove 20, and the lower end of bearing 13 contacts with the ladder place of groove 20, the lower end of connecting rod 18 is positioned at the inside stenosis of groove 20.
The sidewall of nut bearing 6 be provided with to leading screw 10 oilings add priming cup 11, between screw mandrel and nut bearing, inject lubricating oil, be convenient to the steady lifting of pressurized screen upper cover; Position on connecting rod 18 between bearing 13 and leading screw 10 is arranged with baffle ring 16, and one end that screw mandrel 10 is positioned at described notch cuttype groove 20 inside is arranged with shaft block ring 12, can well protect bearing; The upper end of leading screw 10 is provided with handwheel 7, is convenient to the operation to lowering or hoisting gear.
When adherence pressure sieve upper cover 1, rotation hand wheel 7, the downward precession of enhancing screw 10, the upper end of bearing 13 is withstood in the lower end of enhancing screw 10, the ladder place of the groove 20 in spin axis 3 is withstood in the lower end of bearing 13, and the lower end of enhancing screw 10 no longer moves down, and enhancing screw 10 continues rotation will drive nut bearing 6 spin-ups, nut bearing 6 drives spin axis sleeve 5 upwards to rise, and spin axis sleeve 5 drives pressurized screen upper cover 1 to rise by gusset 8.
When whereabouts pressurized screen upper cover 1, reverse rotation handwheel 7, upwards spin-up of enhancing screw 10, stop nut 14 on connecting rod 18 and connecting rod 18 moves up, stop nut 14 is with dynamic bearing 13 to move up by packing ring 15, until the baffle ring 16 of bearing 13 tops tightly contacts with nut bearing 6 with shaft block ring 12, bearing 13 no longer moves up, now spin axis sleeve 5 is vertical under the effect of enhancing screw 10 and bearing 13, overcome because the Action of Gravity Field of pressurized screen upper cover 1 makes enhancing screw 10 and spin axis sleeve 5 shortcoming of axial dipole field has occurred, greatly reduce the frictional force of spin axis sleeve 5 with spin axis 3, continue rotation hand wheel 7, under the gravity of pressurized screen upper cover 1 and the effect of enhancing screw 10, realize the whereabouts of pressurized screen upper cover 1.
Of the present utility model simple in structure, easy to operate, enhancing screw 10, nut bearing 6 coordinate with bearing 13, make bearing 13 in the time promoting with whereabouts, all can well limit the axial dipole field of spin axis sleeve 5, thereby reduce the frictional force between spin axis sleeve lining and spin axis 3, play in use better man-machine work efficiency for lifting device, realized the lifting stably of pressurized screen upper cover.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skill in the art is to be understood that: still can modify or be equal to replacement the utility model, and not departing from any modification or partial replacement of spirit and scope of the present utility model, it all should be encompassed in the middle of claim scope of the present utility model.
Claims (7)
1. the lowering or hoisting gear of a pressurized screen upper cover, it comprises the lifting bearing being fixedly connected with pressurized screen cylindrical shell, promote on bearing and be provided with spin axis, the lower end of spin axis is fixedly connected with lifting bearing, the upper end of spin axis is arranged with spin axis sleeve, the outer wall of spin axis sleeve and pressurized screen upper cover pass through link of boards, one end of gusset is fixedly connected with spin axis sleeve, the other end of gusset and pressurized screen upper cover are hinged, the top of spin axis sleeve is fixedly installed nut bearing, on nut bearing, offer screwed hole, in screwed hole, be equipped with enhancing screw, described screwed hole is provided with the screw thread corresponding with described enhancing screw, it is characterized in that: the lower end edge axial restraint of described enhancing screw is provided with connecting rod, the diameter of connecting rod is less than the diameter of described enhancing screw, on connecting rod, be arranged with bearing, the position that is positioned at bearing below on connecting rod is provided with the baffle arrangement that prevents that bearing from coming off, the upper end of described spin axis offers the groove matching with bearing and connecting rod, described groove is outside broad, inner narrow notch cuttype groove, described bearing is positioned at the broad place, outside of groove, and the lower end of bearing contacts with the ladder place of groove, the lower end of described connecting rod is positioned at the inside stenosis of groove.
2. the lowering or hoisting gear of pressurized screen upper cover according to claim 1, is characterized in that: the sidewall of described nut bearing is provided with the priming cup that adds to leading screw oiling.
3. the lowering or hoisting gear of pressurized screen upper cover according to claim 1 and 2, it is characterized in that: the position on described connecting rod between bearing and leading screw is arranged with baffle ring, one end that described screw mandrel is positioned at described notch cuttype inside grooves is arranged with shaft block ring.
4. the lowering or hoisting gear of pressurized screen upper cover according to claim 3, is characterized in that: the upper end of described leading screw is provided with handwheel.
5. the lowering or hoisting gear of pressurized screen upper cover according to claim 4, is characterized in that: between described nut bearing and spin axis sleeve, be bolted.
6. the lowering or hoisting gear of pressurized screen upper cover according to claim 1, is characterized in that: hinged by connecting plate between the other end of described gusset and pressurized screen upper cover, one end of connecting plate and pressurized screen upper cover are hinged, and the other end and the gusset of connecting plate are hinged.
7. the lowering or hoisting gear of pressurized screen upper cover according to claim 1, is characterized in that: the described baffle arrangement that bearing comes off that prevents comprises the stop nut and the packing ring that are set on connecting rod, and described packing ring is arranged between stop nut and connecting rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884159.5U CN203654076U (en) | 2013-12-31 | 2013-12-31 | Elevating gear for upper cover of pressurized sieve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320884159.5U CN203654076U (en) | 2013-12-31 | 2013-12-31 | Elevating gear for upper cover of pressurized sieve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203654076U true CN203654076U (en) | 2014-06-18 |
Family
ID=50920486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320884159.5U Expired - Fee Related CN203654076U (en) | 2013-12-31 | 2013-12-31 | Elevating gear for upper cover of pressurized sieve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203654076U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862216A (en) * | 2016-06-01 | 2016-08-17 | 江苏金铁人自动化科技有限公司 | Split type connecting rod |
| CN113502679A (en) * | 2021-06-02 | 2021-10-15 | 浙江金龙再生资源科技股份有限公司 | Screening equipment for light and heavy impurity repeated effect separation in waste paper recycling process |
-
2013
- 2013-12-31 CN CN201320884159.5U patent/CN203654076U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105862216A (en) * | 2016-06-01 | 2016-08-17 | 江苏金铁人自动化科技有限公司 | Split type connecting rod |
| CN113502679A (en) * | 2021-06-02 | 2021-10-15 | 浙江金龙再生资源科技股份有限公司 | Screening equipment for light and heavy impurity repeated effect separation in waste paper recycling process |
| CN113502679B (en) * | 2021-06-02 | 2022-08-09 | 浙江金龙再生资源科技股份有限公司 | Screening equipment for light and heavy impurity repeated effect separation in waste paper recycling process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203654076U (en) | Elevating gear for upper cover of pressurized sieve | |
| CN201818270U (en) | Wellhead rotation guider | |
| CN203542523U (en) | Novel pumping unit crank pin bush extractor | |
| CN102720167B (en) | Supporting device used for supporting oil cylinder | |
| CN204307866U (en) | A kind of bearing cleaner | |
| CN105387021A (en) | Built-in guide oil cylinder | |
| CN203956072U (en) | Steel ladle sliding water gap robot device | |
| CN104229514B (en) | Rewinder paper roller connecting device | |
| CN203641424U (en) | Novel screw stem component | |
| CN201151561Y (en) | Direction-changing oil hole structure of roller bearing chamber | |
| CN203477282U (en) | Transmission mechanism of top-suspended centrifuge | |
| CN207695358U (en) | Rewinding disk lift cylinder | |
| CN205500666U (en) | Spiral bevel gear ball screw lift | |
| CN204061956U (en) | A kind of valve rack drive mechanism | |
| CN203756766U (en) | Installation assembly of large-sized rotary bearing | |
| CN205500139U (en) | Simple to operate's adjustable carriage of horizontal rotation | |
| CN104773651A (en) | Large tonnage hook capable of preventing rotary jamming | |
| CN201220132Y (en) | Novel center bracket of peripheral traction thickener | |
| CN204532145U (en) | Slip fraising device | |
| CN204737593U (en) | Large tonnage hook capable of preventing rotary jamming | |
| CN204477078U (en) | A kind of convex surface taper roller bearing | |
| CN204004430U (en) | A kind of satellite waterproof rotary shaft mechanism | |
| CN203035809U (en) | Rotary-type braking device | |
| CN208294467U (en) | A kind of intelligent steering drilling dynamics tool | |
| CN204262710U (en) | Column threaded guide sleeve assembly machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 |