CN105776096A - Stepwise hoisting mechanism - Google Patents
Stepwise hoisting mechanism Download PDFInfo
- Publication number
- CN105776096A CN105776096A CN201610226970.2A CN201610226970A CN105776096A CN 105776096 A CN105776096 A CN 105776096A CN 201610226970 A CN201610226970 A CN 201610226970A CN 105776096 A CN105776096 A CN 105776096A
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- CN
- China
- Prior art keywords
- turning arm
- plate
- fixed mount
- rotating arm
- hinged
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F19/00—Hoisting, lifting, hauling or pushing, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F2700/00—Lifting apparatus
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Handcart (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to a hoisting mechanism, and discloses a stepwise hoisting mechanism. The stepwise hoisting mechanism comprises a fixing frame (1), a pushing rod (2) and a pushing plate (3), wherein a first rotating arm (4) and a second rotating arm (5) are respectively hinged to the fixing frame (1), the first rotating arm (4) is hinged to the pushing rod (2) and the pushing plate (3), and the end part of the pushing plate (3) can be abutted against the second rotating arm (5) and can push the second rotating arm (5) to rotate; a torsional spring (6) which can enable the second rotating arm (5) to return is arranged on the second rotating arm (5). According to the stepwise hoisting mechanism disclosed by the invention, the two rotating arms are arranged on the fixing frame and interact through a certain connecting member, so that acting force in a single direction is realized, functions of two action courses are realized, the whole structure of the hoisting mechanism is compact, the spatial layout is reasonable, and a space is effectively saved.
Description
Technical field
The present invention relates to a kind of lifting mechanism, particularly relate to a kind of lifting mechanism being realized two course of action by single direction active force.
Background technology
At present, general mechanism to realize two different course of action to be needed to apply two groups of active forces, two groups of actuating mechanisms and cause its structure complex accordingly, the defect such as suffer restraints is arranged in space.
Summary of the invention
The present invention is directed to the problems referred to above that lifting mechanism of the prior art exists, it is provided that a kind of substep lifting mechanism.
In order to solve above-mentioned technical problem, the present invention is addressed by following technical proposals:
Substep lifting mechanism, including fixed mount, also include catch bar and promote plate, fixed mount has been respectively articulated with first rotating arm and the second turning arm, first rotating arm is provided with first pin joint hinged with fixed mount and second pin joint hinged with catch bar, one end of catch bar and promotion plate connects, and promotes the other end of plate can be resisted against on the second turning arm, and the second turning arm can be promoted to rotate；The hinged place of the second turning arm and fixed mount is provided with the free end making the second turning arm all the time towards the torsion spring of fixed mount motion.
By arranging two turning arms on fixed mount, and make to be interacted by certain connecting elements between two turning arms, namely when forcing in catch bar, catch bar can force in first rotating arm and the second turning arm simultaneously, two turning arms are made all to be capable of action, thus realizing single direction active force to realize the function of two course of action, thus reducing space layout constraints, simplify structure, save space.
As preferably, catch bar, promotion plate are all hinged on the second pin joint place of first rotating arm.By catch bar, promote plate and first rotating arm to be hinged on a bit, so that the transmission between catch bar and promotion plate is more stable, can also simplify assembling on the other hand on the one hand, improve efficiency of assembling.
As preferably, the second turning arm is provided with mean for promote plate end against hook and slot, promote plate end can slip into bottom hook and slot and act on and bottom hook and slot, promote the second turning arm to rotate.By arranging hook and slot on the second turning arm, it may be achieved to promoting the spacing of plate, and give and promote plate to provide the better point of application, it is ensured that catch bar and promote stability and the high efficiency of transmission between plate.
As preferably, first rotating arm and be equipped with bearing wheels away from the free end with fixed mount hinged place on the second turning arm.By arranging bearing wheels at the free end of first rotating arm and the second turning arm, making when hoisting, first rotating arm and the second turning arm can bearing wheels be the strong point, it is simple to the rotation of first rotating arm and the second turning arm, reduce the friction with ground so that the process that hoists is more stable and quick.
As preferably, the second turning arm include two blocks of side plates and for connect two blocks of side plates and with two pieces of vertically arranged middle connecting plates of side plate, hook and slot correspondence is distributed on the upper surface of two blocks of side plates.By the second swivel arm design being become this kind of form, production technology can be simplified on the one hand, reducing production cost；Turning arm weight can also be reduced on the other hand, optimize whole lifting mechanism.
As preferably, promoting on plate for promoting the end of the second turning arm is the curved end consistent with radian bottom hook and slot.Consistent with radian bottom hook and slot by the end of the second turning arm is designed to, it is possible to reduce mutual abrasion between the two, the stability of increase interaction between the two, improve mechanism and play ascending effect and efficiency.
Due to the fact that and have employed above technical scheme that there is significant technique effect:
The present invention by arranging two turning arms on fixed mount, and make to be interacted by certain connecting elements between two turning arms, realize single direction active force and realize the function of two course of action, make whole lifting mechanism structure compacter, make space layout more reasonable, effectively save space.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the structural representation of catch bar in Fig. 1；
Fig. 4 is the top view of Fig. 3；
Fig. 5 is the structural representation of the second turning arm in Fig. 1；
Fig. 6 is the top view of Fig. 5.
The toponym that in accompanying drawing, each number designation refers to is as follows: 1 fixed mount, 2 catch bars, 3 promotion plate, 4 first rotating arms, 5 second turning arms, 6 torsion springs, 7 bearing wheels, 51 hook and slot, 52 side plates, 53 middle connecting plates, 81 first bearing pins, 82 second bearing pins, 83 the 3rd bearing pins.
Detailed description of the invention
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Embodiment 1
Substep lifting mechanism, as shown in figs 1 to 6, including fixed mount 1, also include catch bar 2 and promote plate 3, fixed mount 1 first rotating arm 4 and the second turning arm 5 have been respectively articulated with by the first bearing pin 81 and the second bearing pin 82, first rotating arm 4 is provided with the first bearing pin 81 first pin joint hinged with fixed mount 1 and by the 3rd bearing pin 83 and catch bar 2, the second pin joint of promoting plate 3 three hinged, the one end promoting plate 3 is hinged with catch bar 2, the other end can be resisted against on the second turning arm 5, and the second turning arm 5 can be promoted to rotate.
In the present embodiment, second turning arm 5 include two blocks of side plates 52 and for connect two blocks of side plates 52 and with two pieces of vertically arranged middle connecting plates 53 of side plate 52, and in order to ensure the stability of the second turning arm 5, it is provided with two pieces of middle connecting plates 53, respectively laterally, it is longitudinally arranged between two blocks of side plates 52, the upper surface of two blocks of side plates 52 is equipped with for promote plate 3 end against hook and slot 51, the groove of both sides is symmetrical, promoting on plate 3 for promoting the end of the second turning arm 5 is the curved end consistent with radian bottom hook and slot 51, and this curved end can slip into bottom hook and slot 51 and act on and promote the second turning arm 5 to rotate bottom hook and slot 51.
Second turning arm 5 is provided with by the hinged place that the second bearing pin 82 is hinged with fixed mount 1 and makes that the second turning arm 5 has the torsion spring 6 towards the motion of fixed mount 1 direction all the time away from the free end of the pin joint hinged with fixed mount 1, namely under the effect of torsion spring 6, second turning arm 5 presses close to fixed mount 1 all the time, and its free end moves towards fixed mount 1 direction all the time.First rotating arm 4 and the second turning arm 5 are equipped with bearing wheels 7 away from the free end with fixed mount 1 hinged place.
During concrete operations, first rotating arm 4 is hinged on fixed mount 1 by the first bearing pin 81 in the first hinged place, and can rotate around the first bearing pin 81, by the second bearing pin 82 at the second hinged place and catch bar 2, promote plate 3 hinged, and pass through the second turning arm 5 that the 3rd bearing pin 83 is hinged with fixed mount 1, under the active force of torsion spring 6, against fixed mount 1 all the time.
As it is shown in figure 1, when catch bar 2 stress promotes to the right, first rotating arm 4 can be made to do clockwise rotation around the first bearing pin 81, promote plate 3 also to move right with catch bar 2 simultaneously；When promotion plate 3 promotes the curved end of plate 3 will slip in the hook and slot 51 of the second turning arm 5 and finally be resisted against bottom the hook and slot 51 of the second turning arm 5 after moving right certain distance, if now continuing to make catch bar 2 move right, the curved end promoting plate 3 will bottom a power conversion part for catch bar 2 to the hook and slot 51 of the second turning arm 5, the second turning arm 5 is made to overcome the torsion of torsion spring 6 to do counter-clockwise rotary motion around the 3rd bearing pin 83, until catch bar 2 reaches the limit of position, i.e. the first hinged place of first rotating arm 4 and when being wired to level of the second hinged place.
If catch bar 2 stress to the left withdraws, first rotating arm 4 then rotates counterclockwise around the first bearing pin 81, promote plate 3 to be moved to the left simultaneously, active force bottom second turning arm 5 hook and slot 51 is removed, under torsion spring 6 active force, second turning arm 5 rotates clockwise around the 3rd bearing pin 83 III, until the second turning arm 5 develops with fixed mount 1, recalls the first action and completes.Now as continued to withdraw catch bar 2 to the left, first rotating arm 4 also continues to rotate counterclockwise around the first bearing pin 81, promote the curved end of plate 3 then with the hook and slot 51 of the second turning arm 5 bottom depart from after slide in and out in hook and slot 51, complete to recall the second action.
Embodiment 2
First rotating arm 4 is hinged on the second pin joint place with catch bar 2 by the second bearing pin 82, promotes plate 3 to be connected or hinged with another place on catch bar 2.
In a word, the foregoing is only presently preferred embodiments of the present invention, all equalizations made according to the present patent application the scope of the claims change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (5)
1. substep lifting mechanism, including fixed mount (1), it is characterized in that: also include catch bar (2) and promote plate (3), fixed mount (1) is hinged with first rotating arm (4) and the second turning arm (5), first rotating arm (4) be provided with first pin joint hinged with fixed mount (1) and with catch bar (2), promote hinged the second pin joint of plate (3) three, the other end promoting plate (3) can be resisted against on the second turning arm (5), and the second turning arm (5) can be promoted to rotate；The hinged place of the second turning arm (5) and fixed mount (1) is provided with the torsion spring (6) that the free end making the second turning arm (5) moves all the time towards fixed mount (1).
2. substep lifting mechanism according to claim 1, it is characterized in that: the second turning arm (5) is provided with mean for promote plate (3) end against hook and slot (51), promote plate (3) end can slip into hook and slot (51) bottom and act on hook and slot (51) bottom promote the second turning arm (5) rotate.
3. substep lifting mechanism according to claim 2, it is characterised in that: first rotating arm (4) and be equipped with bearing wheels (7) away from the free end with fixed mount (1) hinged place on the second turning arm (5).
4. substep lifting mechanism according to claim 2, it is characterized in that: the second turning arm (5) include two pieces of side plates (52) and being used for connect two pieces of side plates (52) and with the two pieces of vertically arranged middle connecting plate of side plates (52) (53), hook and slot (51) correspondence is distributed on the upper surface of two pieces of side plates (52).
5. substep lifting mechanism according to claim 2, it is characterised in that: promoting the end being used for promoting the second turning arm (5) on plate (3) be the curved end consistent with radian bottom hook and slot (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610226970.2A CN105776096B (en) | 2016-04-12 | 2016-04-12 | Substep lifting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610226970.2A CN105776096B (en) | 2016-04-12 | 2016-04-12 | Substep lifting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105776096A true CN105776096A (en) | 2016-07-20 |
| CN105776096B CN105776096B (en) | 2017-12-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610226970.2A Active CN105776096B (en) | 2016-04-12 | 2016-04-12 | Substep lifting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105776096B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5354080A (en) * | 1993-05-20 | 1994-10-11 | Jones Robert E | Industrial truck for double-faced pallets |
| CN1923666A (en) * | 2006-09-14 | 2007-03-07 | 烟台奔腾汽车检测维修设备制造有限公司 | Mobile device for movable type heavy vehicle lifter |
| CN202658372U (en) * | 2012-05-04 | 2013-01-09 | 东莞市顺机机械科技有限公司 | Middle presser foot lifting mechanism for sewing machine |
| CN203194108U (en) * | 2013-04-23 | 2013-09-18 | 哈尔滨沃尔科技有限公司 | Pull-type farm implement leveling mechanism |
-
2016
- 2016-04-12 CN CN201610226970.2A patent/CN105776096B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5354080A (en) * | 1993-05-20 | 1994-10-11 | Jones Robert E | Industrial truck for double-faced pallets |
| CN1923666A (en) * | 2006-09-14 | 2007-03-07 | 烟台奔腾汽车检测维修设备制造有限公司 | Mobile device for movable type heavy vehicle lifter |
| CN202658372U (en) * | 2012-05-04 | 2013-01-09 | 东莞市顺机机械科技有限公司 | Middle presser foot lifting mechanism for sewing machine |
| CN203194108U (en) * | 2013-04-23 | 2013-09-18 | 哈尔滨沃尔科技有限公司 | Pull-type farm implement leveling mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105776096B (en) | 2017-12-05 |
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Address after: 313300 Zhongli Machinery Co., Ltd., Xiaquan village, Lingfeng street, Anji County, Huzhou City, Zhejiang Province Patentee after: Zhejiang Zhongli Machinery Co., Ltd Address before: Zhongli Industrial Park, Xiaquan village, Dipu Town, Anji County, Huzhou City, Zhejiang Province Patentee before: Zhejiang Zhongli Machinery Co.,Ltd. |
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| CP03 | Change of name, title or address |