CN205419649U - Horizontal hydraulic jack with prevent function that falls - Google Patents
Horizontal hydraulic jack with prevent function that falls Download PDFInfo
- Publication number
- CN205419649U CN205419649U CN201520949266.0U CN201520949266U CN205419649U CN 205419649 U CN205419649 U CN 205419649U CN 201520949266 U CN201520949266 U CN 201520949266U CN 205419649 U CN205419649 U CN 205419649U
- Authority
- CN
- China
- Prior art keywords
- jack
- ratchet
- cuboid
- crossbeam
- horizontal hydraulic
- 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
Abstract
The utility model discloses a horizontal hydraulic jack with prevent function that falls, set up the pawl on the crossbeam of jack, the following bottom plate that has the ratchet bar that sets up that corresponds the crossbeam, the bottom plate is fixed on a jack left side, the lower part of right side riser, the upper portion of pawl is two drums of middle detached, can overlap free rotation on the crossbeam, the lower part is a cuboid, the design has convex magnet on the cuboid, can make the lower part of pawl adsorb on the piston rod, one side design of cuboid has steel wire ropes, can mention the pawl, the jib loading boom is round hole of middle design openly, steel wire ropes passes in the round hole, the the rear end of the bottom plate design has can make the spring plectrum of pawl from the piston rod separation. Do not change original structure, only simply increase by several accessories to the minimum cost realizes the jack and prevent falling the function under the multiple condition, and easy operation, convenient to use, jack are put and is trunned into the state of preventing falling to automatically behind the lowest order, has avoided forgetting to open because of personnel's careless omission preventing the device that falls.
Description
Technical field
This utility model relates to a kind of jack, a kind of Horizontal hydraulic jack with anti-drop.
Background technology
The most anti-drop of currently used Horizontal hydraulic jack.Operationally can there is potential safety hazard in jack, when weight lifted by jack, whatsoever reason causes hydraulic oil to reveal (unintentional rotation handle open that reflux inlet, reflux inlet be malfunctioning, hydraulic cylinder interior leakage leakage etc.) all causing weight-drop, cause contingency to occur.When particularly needing long-time support top weight, danger is bigger, for ensureing safety, also needs to be equipped with very heavy support or timber supports by top lifting thing, bother very much.
Horizontal hydraulic jack is through development for many years and application, and its structure has been mature on the whole stable.Two kinds can be divided into: a kind of is exactly the small handcart type structure of 2 tons by structure difference；Another kind is exactly 3 tons and above large trammer formula structure.Above two Horizontal hydraulic jack is accepted extensively by market, to try one's best improve just the most easy to spread on existing structure so increasing anti-drop, be difficult to change excessive, and anti-drop device structure wants simple, and cost is low, and use will facilitate, and operation is wanted simply.It addition, the reason causing jack to fall is the most, want many-side to take into account, it is impossible to limitation is the biggest as far as possible.One " band self-locking for lift horizontal hydraulic jack " disclosed in Application No. 87215784, although solving the problem that jack surprisingly falls, but structure being the most complicated, in-convenience in use, and the structure of existing jack is changed completely, it is difficult to be accepted by market.One " horizontal hydraulic jack of band self-locking device " disclosed in Application No. 94200886, and there is same problem in solution above, original structure is changed completely, is difficult to be accepted by market.And " a kind of Horizontal hydraulic jack with self-locking safety device " disclosed in Application No. 201020247427.9, its applicable object is 2 tons of small handcart type jack, and changes relatively costly, and it is not very convenient to use.Also having a solution is exactly the one " the anti-fall set lever of horizontal hydraulic jack " disclosed in Application No. 94239909, and its anti-fall principle is exactly unintentional rotation handle and reflux inlet will not be opened, thus avoids unexpected whereabouts.But the reason causing jack surprisingly to fall also has a lot, being not merely that this is a kind of, program limitation is relatively big, can't be fully solved safe problem.
In sum, above scheme can't solve the problem that jack exists in actual applications well, requires also to differ farther out from design.
Utility model content
The purpose of this utility model is aiming at the deficiencies in the prior art, and a kind of Horizontal hydraulic jack with anti-drop is provided, including hydraulic cylinder 7, piston rod 8, crossbeam 9, left lever 10, right pull bar 11, crane arm 12, pallet 13, left side vertical plate 14, right side riser 15 and handle 16, the crossbeam 9 on jack piston rod 8 top is designed with the ratchet 1 preventing retreating, the envisaged underneath of corresponding crossbeam 9 has the base plate 2 of band ratchet bar, and this base plate 2 is fixed on jack left side vertical plate 14 and the bottom of right side riser 15.
Further, the shape of described ratchet is not the ratchet of traditional pattern, its structure be top be middle separate two cylinders, can be enclosed within crossbeam freely rotatable, bottom is a cuboid.
Further, the cuboid of described ratchet bottom is designed with the Magnet of circular arc, the bottom of ratchet can be made to adsorb in the bottom of piston rod.
Further, the side of the cuboid of described ratchet bottom is designed with steel wire tow line, can mention the cuboid of ratchet bottom.
Yet further, the crane arm front medium design of described jack has a circular hole, and steel wire tow line passes in circular hole.
Further, the base plate rear end of described band ratchet bar is designed with the spring plectrum that the cuboid that can make ratchet bottom separates from piston rod.
The beneficial effects of the utility model are:
On the basis of not changing jack original structure, the only several gadgets of simple increase, jack anti-drop in several cases is realized with minimum cost, and it is simple to operate, easy to use, jack transfers anti-fall state to after being put into lowest order automatically, it is not necessary to manually participate in, avoid and forget to open anti-drop device because of personnel's careless omission, cause unnecessary loss.The program is changed little, low cost, can solve the safety problem that the jack that many reasons causes surprisingly falls simultaneously.
Accompanying drawing explanation
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is fall proof structure schematic diagram of the present utility model.
Fig. 2 is the whole structure figure with anti-drop Horizontal hydraulic jack.
Detailed description of the invention
The following stated is only preferred embodiment of the present utility model, is not defined this utility model scope.
This programme is only applicable to 3 tons and above large trammer formula jack.
There is a crossbeam existing 3 tons and above Horizontal hydraulic jack piston rod front end, and the centre of crossbeam is fixed together with piston rod front end, and the two ends of crossbeam are hinged with two pull bars respectively, and the other end of two pull bars is hinged with the lower end of crane arm.During work, piston rod heads on crossbeam and is moved along, and crossbeam drives two pull bars to be also moved along, pull bar drives crane arm to start around rotary shaft and rotates, the front end of crane arm begins to up move, and is raised being played weight by pallet, here it is the operation principle of this model jack.
Preventing crane arm from surprisingly falling, best solution is exactly by ratchet, ratchet-gear wheel structure.According to the operation principle of jack, ratchet, being disposed with two positions and can select of ratchet-gear wheel structure.One is can to arrange at the rotary shaft position of crane arm, but the program is relatively large to the structural modification of jack, relatively costly.Another one installs ratchet additional exactly on crossbeam, installs the base plate with ratchet bar additional in the lower section of corresponding crossbeam.The original structure of jack need not be changed by the program substantially, and the several gadgets of the simplest increase just can solve problem, and cost is minimum.
In fig. 1 and 2, a kind of Horizontal hydraulic jack with anti-drop that this utility model provides, including hydraulic cylinder 7, piston rod 8, crossbeam 9, left lever 10, right pull bar 11, crane arm 12, pallet 13, left side vertical plate 14, right side riser 15 and handle 16.Being designed with the ratchet 1 preventing retreating on the crossbeam 9 on jack piston rod 8 top, the envisaged underneath of corresponding crossbeam 9 has the base plate 2 of band ratchet bar, and this base plate 2 is fixed on jack left side vertical plate 14 and the bottom of right side riser 15.
The shape of described ratchet 1 is not the ratchet of traditional pattern, its structure be top be middle separate two cylinders, can be enclosed within crossbeam 9 freely rotatable, bottom is a cuboid.
It is designed with the Magnet 3 of circular arc on the cuboid of described ratchet 1 bottom, the bottom of ratchet 1 can be made to adsorb in the bottom of piston rod 8.
The side of the cuboid of described ratchet 1 bottom is designed with steel wire tow line 4, can mention the cuboid of ratchet 1 bottom.
The crane arm 12 front medium design of described jack has a circular hole 6, and steel wire tow line 4 passes in circular hole 6.
Base plate 2 back end design of described band ratchet bar has the spring plectrum 5 that the cuboid that can make ratchet 1 bottom separates from piston rod 8.
Operation principle:
During jack top lifting weight, crossbeam 9 is moved along under the promotion of piston rod 8, and ratchet 1 is the most and then moved along, and under gravity, the ratchet bar being close on base plate 2 moves ratchet 1.Due to the effect of ratchet bar, ratchet 1 can only be moved along and can not retreat, and crossbeam 9 also cannot retreat, and crane arm 12 also would not fall, and has reached anti-fall purpose.
When needs have put down weight, the steel wire tow line 4 in crane arm 12 front circular hole 6 being mentioned, the circular arc Magnet 3 on ratchet 1 will adsorb on piston rod 8, and ratchet 1 just have left the ratchet bar on base plate 2, the most just can put down playing weight.
When jack is put into minimum point, crossbeam 9 and ratchet 1 have also fallen back on the rear portion of base plate 2, at this moment the spring plectrum 5 being arranged on base plate 2 rear end has just encountered the bottom of ratchet 1, the cuboid of ratchet 1 bottom is separated from piston rod 8, under gravity, ratchet 1 falls again on the ratchet bar of base plate 2, reenters anti-fall state.
Of the present utility model ultimate principle, principal character and advantage have more than been shown and described.Skilled person will appreciate that of the industry; this utility model is not restricted to the described embodiments; simply principle of the present utility model described in above-described embodiment and description; on the premise of without departing from this utility model spirit and scope; this utility model also has various changes and modifications, and these changes and improvements both fall within protection domain of the present utility model.
Claims (6)
1. a Horizontal hydraulic jack with anti-drop, including hydraulic cylinder (7), piston rod (8), crossbeam (9), left lever (10), right pull bar (11), crane arm (12), pallet (13), left side vertical plate (14), right side riser (15) and handle (16), it is characterized in that: on the crossbeam (9) on piston rod (8) top, be designed with the ratchet (1) preventing retreating, the envisaged underneath of corresponding crossbeam (9) has the base plate (2) of band ratchet bar, this base plate (2) is fixed on jack left side vertical plate (14) and the bottom of right side riser (15).
A kind of Horizontal hydraulic jack with anti-drop the most according to claim 1, it is characterized in that: the top of described ratchet (1) is middle separate two cylinders, can be enclosed within crossbeam (9) upper freely rotatable, bottom is a cuboid.
A kind of Horizontal hydraulic jack with anti-drop the most according to claim 2, it is characterized in that: on the cuboid of described ratchet (1) bottom, be designed with the Magnet (3) of circular arc, the bottom absorption bottom in piston rod (8) of ratchet (1) can be made.
A kind of Horizontal hydraulic jack with anti-drop the most according to claim 2, it is characterized in that: the side of the cuboid of described ratchet (1) bottom is designed with steel wire tow line (4), the cuboid of ratchet (1) bottom can be mentioned.
A kind of Horizontal hydraulic jack with anti-drop the most according to claim 4, it is characterized in that: crane arm (12) the front medium design of described jack has a circular hole (6), and steel wire tow line (4) passes in circular hole (6).
A kind of Horizontal hydraulic jack with anti-drop the most according to claim 1, is characterized in that: base plate (2) back end design of described band ratchet bar has the spring plectrum (5) that the cuboid that can make ratchet (1) bottom separates from piston rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520949266.0U CN205419649U (en) | 2015-11-18 | 2015-11-18 | Horizontal hydraulic jack with prevent function that falls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520949266.0U CN205419649U (en) | 2015-11-18 | 2015-11-18 | Horizontal hydraulic jack with prevent function that falls |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205419649U true CN205419649U (en) | 2016-08-03 |
Family
ID=56536256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520949266.0U Expired - Fee Related CN205419649U (en) | 2015-11-18 | 2015-11-18 | Horizontal hydraulic jack with prevent function that falls |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205419649U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698238A (en) * | 2015-11-18 | 2017-05-24 | 刘传鹏 | Horizontal type hydraulic lifting jack with anti-dropping function |
-
2015
- 2015-11-18 CN CN201520949266.0U patent/CN205419649U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698238A (en) * | 2015-11-18 | 2017-05-24 | 刘传鹏 | Horizontal type hydraulic lifting jack with anti-dropping function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206751330U (en) | A kind of firm movable elevator | |
| CN205419649U (en) | Horizontal hydraulic jack with prevent function that falls | |
| CN202379648U (en) | Portable mobile crane | |
| CN204119848U (en) | Be applicable to the elevator platform of mushroom bed feeder | |
| CN206532646U (en) | Simple pay off rack is used in a kind of cable production | |
| CN206266162U (en) | A kind of construction lifting device | |
| CN203843121U (en) | Upper core box lifting and overturning mechanism | |
| CN203728390U (en) | Lifting device | |
| CN204848105U (en) | Crane machinery device that declutches | |
| CN204173809U (en) | The portable counter weight device of car hosit | |
| CN204588542U (en) | A kind of minitype portable jenny | |
| CN208637967U (en) | A kind of novel cable frame that damping is well convenient for lifting and is adjusted | |
| CN203807037U (en) | Sand cement slurry lifting conveying rod | |
| CN207170926U (en) | Engine cylinder-body suspended core fixture | |
| CN202245690U (en) | Steel ball hanger device | |
| CN208632026U (en) | A kind of balance battery forklift | |
| CN106698238A (en) | Horizontal type hydraulic lifting jack with anti-dropping function | |
| CN204199713U (en) | A kind of concrete mixer with carrier pipe storage bracket | |
| CN208200310U (en) | Agricultural machinery and implement automatic lifting device | |
| CN202379676U (en) | Forklift counter weight | |
| CN210735981U (en) | Anti-falling hook group for bridge type double-beam crane | |
| CN206447499U (en) | Suspension rod height adjustable is fixed and hung | |
| CN202380995U (en) | Split type lifting hook | |
| CN202007085U (en) | Double-beam cantilever crane | |
| CN201099877Y (en) | Crawler type slipping loading apparatus locking apparatus |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160803 Termination date: 20191118 |