CN203143999U - Jack fixed in sludge - Google Patents
Jack fixed in sludge Download PDFInfo
- Publication number
- CN203143999U CN203143999U CN 201320101254 CN201320101254U CN203143999U CN 203143999 U CN203143999 U CN 203143999U CN 201320101254 CN201320101254 CN 201320101254 CN 201320101254 U CN201320101254 U CN 201320101254U CN 203143999 U CN203143999 U CN 203143999U
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- CN
- China
- Prior art keywords
- jack
- inner core
- supporting blade
- mud
- baffle plates
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- 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.)
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Abstract
The utility model discloses a jack fixed in sludge. The jack comprises an inner cylinder and an outer cylinder, wherein one end, which is close to the ground, of the inner cylinder is a conical head; the side wall of the inner cylinder is provided with at least four lugs; supporting sheets are connected to the lugs in a sliding way; the supporting sheets are circular-arc-shaped; the supporting sheets are provided with necks; the lugs are arranged in the necks; lubricating devices are arranged in the necks, so that the friction force between the necks and the lugs is reduced; pull rods are fixedly arranged at the upper ends of the supporting sheets, so that the supporting sheets can be moved up and down conveniently; the side wall of the outer cylinder is provided with baffle plates; through holes are formed in the baffle plates; nuts are arranged in the through holes; and bolts pass through the through holes, are in threaded connection with the nuts in the through holes, and are used for fixing the supporting sheets.
Description
Technical field
The utility model belongs to a kind of jack that is fixed in the mud.
Background technology
Jack is that a kind of the top with rigidity lifted part as equipment, the light little weight-lifting equipment of jacking weight in stroke by top bracket or bottom claw.Can be divided into 3 kinds of tooth bar jack, lifting screw and hydraulic jacks by architectural feature.Jack is the simplest weight-lifting equipment of a kind of lifting highly little (less than 1m).It has two kinds of mechanical type and fluid pressure types.The mechanical type jack has rack-and-pinion and spiral two kinds again, because hoisting capacity is little, the operation effort generally only is used for flight-line maintenance work, and is inapplicable in repairing the bridge process.Fluid pressure type jack structure compactness, stable working has self-locking action, so use extensively.Its shortcoming is that lifting is highly limited, and lifting velocity is slow.The kind of car jack can be divided into four kinds of tooth bar jack, lifting screw and hydraulic jack and inflatable jacks.When needs in muddy ground during the jack-up weight, jack commonly used is placed directly in the muddy ground, and not only the weight of jack can make jack sink in muddy ground, and bigger problem is that jack is when withstanding weight, can't the jack-up weight, but jack is sunk deeper and deeper.Need a kind of can in muddy ground, normally the use, not the jack of Xia Xianing.
Summary of the invention
The utility model provides a kind of and can use the jack that does not sink in mud at the prior art deficiency.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals: a kind of jack that is fixed in the mud, comprise inner core and urceolus, described inner core is conical head near ground surface end, described inner core sidewall is provided with at least four projections, all slidely connects supporting blade on the described projection, and described supporting blade is circular arc, described supporting blade is provided with draw-in groove, and described projection is arranged in the described draw-in groove.
In the technique scheme, be provided with lubricating system in the described draw-in groove.Reduce the friction force of draw-in groove and projection behind the lubricated draw-in groove, increase the service life of draw-in groove and projection.
In the technique scheme, described supporting blade upper end is set with pull bar.Because the area of supporting blade is less, mobile inconvenient, pull bar is set makes things convenient for sliding up and down of supporting blade.
In the technique scheme, described outer tube side wall is provided with baffle plate, and described baffle plate is provided with through hole, and described through hole is provided with nut, also is provided with bolt and passes described through hole and be connected with nut thread on the through hole.Bolt is used for fixing supporting blade, supporting blade is moved can't up slide freely afterwards.
In the technique scheme, described projection is pressed close to the inner core conical head also above it.Minimize inner core and stay the outer length of urceolus, make under the constant situation of inner core urceolus length, the height that can rise is the highest.
The utility model compared with prior art, have following beneficial effect: tensile stress was bigger when the utility model arc supporting blade withstood in the muddy ground, what jack sank in the time of preventing in the jack placement muddy ground is too dark, fixes jack and makes jack can support weight in muddy ground.Lubricating system can reduce the friction force of draw-in groove and projection, increases the service life of draw-in groove and projection.Pull bar on the supporting blade makes things convenient for moving up and down of supporting blade.Bolt is set on the outer tube side wall, fixes supporting blade, prevent the supporting blade kiss the earth after, ground up bounces back supporting blade in the face of antagonistic force of supporting blade.Projection is pressed close to the inner core conical head also above it, minimizes inner core and stays the outer length of urceolus, makes under the constant situation of inner core urceolus length, and the height that can rise is the highest.
Description of drawings
Fig. 1 is embodiment 1 utility model scheme drawing.
Fig. 2 is baffle plate among the embodiment 1, through hole, nut, bolt separation scheme drawing.
Fig. 3 is inner core and urceolus link scheme drawing in the prior art.
Fig. 4 is embodiment 2 utility model scheme drawings.
Fig. 5 is No. two baffle plate birds-eye vieies among the embodiment 2.
Fig. 6 is inner core vertical section scheme drawing among the embodiment 2.
Fig. 7 is embodiment 3 utility model scheme drawings.
Fig. 8 is No. four baffle plate cutaway views among the embodiment 3.
The specific embodiment
Below in conjunction with accompanying drawing and the specific embodiment the utility model is described in further detail: embodiment 1: referring to Fig. 1 ~ 3, a kind of jack that is fixed in the mud, comprise urceolus 2 and inner core 1, described inner core 1 is located in the urceolus 2 and is lower than urceolus 2 tops, described urceolus 2 tops are provided with screw rod 11 No. two, described No. two screw rods 11 pass inner core 1 and are threaded with No. two nuts 12 that are fixed on inner core 1, be provided with the bearing 13 of support guide between urceolus 2 tops and No. two screw rods 11, urceolus 2 is stretched out in inner core 1 bottom, and the extending area is conical head.No. two screw rod 11 other ends connect handles 14, rely on and shake handle 14, make inner core straight-line motion about in the of 1.
Described inner core 1 sidewall is provided with at least four projections 3, and projection 3 is pressed close to inner core 1 conical head also above it, minimizes inner core 1 and stays urceolus 2 length outward, makes under the constant situation of inner core 1 urceolus 2 length, and the height that can rise is the highest.All slidely connect supporting blade 4 on the described projection 3, described supporting blade 4 is circular arc, and described supporting blade 4 is provided with draw-in groove 5, and the length of draw-in groove 5 is at least 2/3rds of supporting blade 4 length, and described projection 3 is arranged in the draw-in groove 5.Draw-in groove 5 on the supporting blade 4 is connected with projection 3, and supporting blade 4 can be slided up and down along projection 3.Can be provided with lubricating system in the draw-in groove 5, draw-in groove 5 has certain friction force with the slip of projection 3, of long duration can wearing and tearing, add lubricating system, can reduce the wearing and tearing between draw-in groove 5 and the projection 3, prolong the service life of draw-in groove 5 and projection 3.
Described supporting blade 4 upper ends are set with pull bar 6, and described supporting blade 4 upper ends are that supporting blade 4 is away from that end on ground.Because the upper end area of supporting blade 4 is less relatively, inconvenient manual supporting blade 4 is slided up and down arranges pull bar 6, can make things convenient for sliding up and down of supporting blade 4.Also can directly use pin, step down on the pull bar 6, supporting blade 4 toward lower slider, is caught on pull bar 6 with instep, also be quite to make things convenient for feet 4 pull-up from the bottom up.
Described urceolus 2 sidewalls are provided with baffle plate 7, baffle plate 7 is welded on urceolus 2 sidewalls, described baffle plate 7 is provided with through hole 8, described through hole 8 is provided with nut 9, nut 9 is fixed on the through hole 8, and the hole intercommunication of the hole of nut 9 and through hole 8 also is provided with bolt 10 and passes described through hole 8 and be threaded with nut 9 on the through hole 8.The hole of through hole 8 is used for passing of bolt 10, and the hole of nut 9 is threaded with bolt 10 when passing bolt 10, makes the bolt 10 can be along the screw thread up-and-down movement.
During use, jack is lifted aloft, with hand or directly with pin pull bar 6 is pressed, supporting blade 4 is down left behind one by one, swivel bolt 10 withstands supporting blade 4 to bolt 10, then puts down jack, because the supporting blade 4 of circular arc, the jack that is placed in the muddy ground can't get deeply stuck under the tension force of circular arc supporting blade 4.After finishing using, with bolt 10 rotations up, the pull-up pull bar 6 again, and supporting blade 4 is returned to the home position.
Embodiment 2: compare with embodiment 1, difference is that described jack is the fixed form difference in muddy ground, and all the other are all identical.
Referring to Fig. 3 ~ 6, described conical head flat end position is provided with the area of contact that 101, No. two baffle plates 101 of No. two baffle plates have increased jack and mud, makes jack be difficult for sinking when stressed.Described No. two baffle plates 101 are provided with through hole 103 No. two, and described No. two through holes 103 are evenly distributed on described No. two baffle plates 101, and the air under No. two baffle plates 101 of evenly circulating makes things convenient for jack to pull up and breaks away from the mud face.Described No. two through hole 103 diameters make the more thorough of No. two airiness under the baffle plate 101 more preferably greater than one centimetre, and convenient jack pulls up and breaks away from the mud face.
Vertical described No. two baffle plates 101, be provided with at least four No. three baffle plates 102, four No. three baffle plates 102 place faces are orthogonal in twos respectively, four No. three baffle plates 102 four fixing positions form a similar square appearance in other words, when guaranteeing that the jack left-right and front-back moves, there are No. three baffle plates 102 to hinder it and move.Described No. three baffle plates 102 contact mud ends are taper, reduce area of contact and are more prone to enter mud, and mud is inserted easily than an average whole end forever in the tip.Described No. three baffle plates 102 highly are lower than the conical head of described inner core 1, because conical head is bigger than No. three baffle plates 102, are fit to more enter mud fast, allow conical head contact mud earlier, make things convenient for jack to insert mud.
Embodiment 3: compare with embodiment 1, difference is that described jack is the fixed form difference in muddy ground, and all the other are all identical.
Referring to Fig. 3, Fig. 7 and Fig. 8, the both sides of described conical head and inner core 1 connection location, be hinged with 201, No. four baffle plates of two mobilizable No. four baffle plates 201 for the effect of supporting jack in the muddy ground, mobilizable No. four baffle plates 201 can make things convenient for jack to pick up in muddy ground.Described No. four baffle plates 201 kiss the earth ends are arc, and when jack rigidly connected tread surface, arc tips kept No. four baffle plates 201 with ground certain space to be arranged, and prevent that No. four baffle plate 201 1 ends from inserting mud, thereby hinder No. four upwards upsets of baffle plate 201.
Described No. four baffle plates 201 offer 205, No. three through holes 205 of No. three through holes and make things convenient for jack to pull up disengaging mud face.No. four baffle plate 201 upper fixed of described inner core 1 sidewall have No. five baffle plates 202 of at least two L types, No. five baffle plates 202 of L type slidably, No. five baffle plates 202 of L type withstand baffle plate 201 No. four, make No. four baffle plates 201 in parallel ground, can't continue up perk again, the most effective in muddy ground, supporting jack during the parallel ground of No. four baffle plates 201.
The part of vertical described inner core 1 is first's plate 203 in No. five baffle plates 202 of described L type, also is provided with positioning plate 204, described positioning plate 204 vertical described first plates 203.Positioning plate 204 can make No. four baffle plates 201 be fixed in the mud with arbitrarily angled, when No. four baffle plates 201 are spent less than 90 with the angle of inner core 1, can prevent the jack sidesway.
The radian of described No. four baffle plate 201 kiss the earth ends is 150 degree, and this radian is relatively reasonable, and radian is too small may to make No. four baffle plates 201 insert mud, does not have the effect of arc.Radian is crossed conference and is caused radian to damage easily.
Described No. four baffle plate 201 length are 30 centimetres.Length about 30 centimetres is more reasonable relatively to supporting jack, and long length result of use and 30 centimetres length difference are few, but materials demand is also just more, has increased cost.
No. five baffle plates 202 of described L type can slide up and down.Can freely select to fix the angle of No. four baffle plates 201, the slippage that can make progress when not needing No. five baffle plates 202 makes it not contact baffle plate 201 No. four, and No. four baffle plates 201 can freely be rotated.
Claims (5)
1. jack that is fixed in the mud, comprise inner core (1) and urceolus (2), described inner core (1) is conical head near ground surface end, it is characterized in that: described inner core (1) sidewall is provided with at least four projections (3), all slidely connect supporting blade (4) on the described projection (3), described supporting blade (4) is circular arc, and described supporting blade (4) is provided with draw-in groove (5), and described projection (3) is arranged in the described draw-in groove (5).
2. a kind of jack that is fixed in the mud as claimed in claim 1, it is characterized in that: described draw-in groove is provided with lubricating system in (5).
3. a kind of jack that is fixed in the mud as claimed in claim 1 is characterized in that: be set with pull bar (6) on the described supporting blade (4).
4. a kind of jack that is fixed in the mud as claimed in claim 1, it is characterized in that: described urceolus (2) sidewall is provided with baffle plate (7), described baffle plate (7) is provided with through hole (8), described through hole (8) is provided with nut (9), also is provided with bolt (10) and passes described through hole (8) and be threaded with nut (9).
5. a kind of jack that is fixed in the mud as claimed in claim 1 is characterized in that: described projection (3) is pressed close to inner core (1) conical head and above it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320101254 CN203143999U (en) | 2013-03-06 | 2013-03-06 | Jack fixed in sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320101254 CN203143999U (en) | 2013-03-06 | 2013-03-06 | Jack fixed in sludge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203143999U true CN203143999U (en) | 2013-08-21 |
Family
ID=48971543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320101254 Withdrawn - After Issue CN203143999U (en) | 2013-03-06 | 2013-03-06 | Jack fixed in sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203143999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103130142A (en) * | 2013-03-06 | 2013-06-05 | 宁波天益齿轴齿轮有限公司 | Jack fixed in sludge |
-
2013
- 2013-03-06 CN CN 201320101254 patent/CN203143999U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103130142A (en) * | 2013-03-06 | 2013-06-05 | 宁波天益齿轴齿轮有限公司 | Jack fixed in sludge |
| CN103130142B (en) * | 2013-03-06 | 2015-05-06 | 宁波天益齿轴齿轮有限公司 | Jack fixed in sludge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130821 Effective date of abandoning: 20150506 |
|
| RGAV | Abandon patent right to avoid regrant |