CN108502776B - Linkage type jacking mechanism - Google Patents
Linkage type jacking mechanism Download PDFInfo
- Publication number
- CN108502776B CN108502776B CN201810501344.9A CN201810501344A CN108502776B CN 108502776 B CN108502776 B CN 108502776B CN 201810501344 A CN201810501344 A CN 201810501344A CN 108502776 B CN108502776 B CN 108502776B
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- CN
- China
- Prior art keywords
- lifting
- connecting rod
- sliding block
- rack
- sliding blocks
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Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000003028 elevating effect Effects 0.000 claims 2
- 230000009194 climbing Effects 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 239000000758 substrate Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
- B66F3/25—Constructional features
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention belongs to the technical field of jacking devices, and relates to a linkage type jacking mechanism, which comprises a fixing part, a jacking driving part and a lifting part, wherein the fixing part comprises a base plate, the lifting part comprises a lifting plate parallel to the base plate, the lower part of the lifting plate is provided with a plurality of sliding rails in the same direction, the jacking driving part comprises a plurality of sliding blocks which can move along the sliding rails, the sliding blocks are divided into a left sliding block and a right sliding block, the base plate is provided with limiting devices corresponding to the sliding blocks one by one, the left sliding block is fixed on a first connecting rod, and the first connecting rod is provided with a first rack; the right sliding block is fixed on a second connecting rod, and a second rack is arranged on the second connecting rod; a transmission gear meshed with the first rack and the second rack simultaneously is pivoted on the lifting plate; the lifting plate is provided with a horizontal moving device for driving the first connecting rod. The invention not only saves a horizontal moving device with higher cost, but also ensures the synchronous linkage of the left and right sliding blocks and improves the lifting stability.
Description
Technical Field
The invention relates to the technical field of jacking devices, in particular to a linkage type jacking mechanism.
Background
Jacking is a common operation in mechanical operation and is widely applied to various machining occasions. Jacking can be accomplished by a cylinder, but the lifting force is limited by the cylinder load; it is also possible to use more costly lifting devices or complex machinery in order to increase the load. For this reason, the company invented a mechanism for realizing lifting by using symmetrical chute sliding blocks. However, the lifting is completed by two cylinders respectively, which brings left and right unbalance, the shaking is generated when the lifting is light, and the mechanism is damaged when the lifting is heavy.
Therefore, it is necessary to develop a new jacking mechanism to solve the above problems.
Disclosure of Invention
The invention mainly aims to provide a linkage type lifting mechanism, which enables lifting actions to be executed more stably.
The invention realizes the aim through the following technical scheme: the linkage type jacking mechanism comprises a fixing part, a jacking driving part and a lifting part, wherein the fixing part comprises a base plate, the lifting part comprises a lifting plate parallel to the base plate, the lower part of the lifting plate is provided with a plurality of sliding rails in the same direction, the jacking driving part comprises a plurality of sliding blocks capable of moving along the sliding rails, the sliding blocks are divided into a left sliding block and a right sliding block, the left sliding block is provided with a left sliding groove, the right sliding block is provided with a right sliding groove, and the left sliding groove and the right sliding groove are symmetrical in shape; the base plate is provided with limiting devices which are in one-to-one correspondence with the sliding blocks, and the limiting devices penetrate into the sliding grooves and provide upward lifting force for the sliding blocks; the left sliding block is fixed on a first connecting rod, and a first rack is arranged on the first connecting rod; the right sliding block is fixed on a second connecting rod, and a second rack is arranged on the second connecting rod; a transmission gear meshed with the first rack and the second rack simultaneously is pivoted on the lifting plate; the lifting plate is provided with a horizontal moving device for driving the first connecting rod.
Specifically, the left sliding block is provided with two and is fixed at two ends of the first connecting rod, the right sliding block is provided with two and is fixed at two ends of the second connecting rod, and four sliding blocks support four corners of the lifting plate.
Furthermore, a plurality of guide posts penetrating through the lifting plate are vertically arranged on the base plate.
Further, a sleeve sleeved on the guide post is fixed on the lifting plate.
Specifically, the limiting device is provided with a cam capable of sliding in the chute.
Further, the chute comprises a lifting section, and the inclination of the central line of the lifting section relative to the horizontal plane is smaller than 1.
Further, the chute includes a horizontal section at the end of the lifting section.
By adopting the technical scheme, the invention has the beneficial effects that:
the invention not only saves a horizontal moving device with higher cost, but also ensures the synchronous linkage of the left and right sliding blocks and improves the lifting stability.
Drawings
FIG. 1 is a perspective view of an embodiment of a linked jack mechanism;
fig. 2 is a top view of the linkage type lifting mechanism according to the embodiment after the lifting plate is removed.
The figures represent the numbers:
1-a substrate, on which a first substrate,
An 11-type limiting device, wherein the limiting device comprises a first limiting device and a second limiting device,
A 111-cam, which is provided with a cam,
12-Guide posts;
A 2-lifting plate, wherein the lifting plate is provided with a lifting plate,
A 21-slide rail, wherein the slide rail is provided with a plurality of slide grooves,
22-Sleeve;
A 3 a-left slide block, a left slide block and a right slide block,
31 A-left chute;
A 3 b-a right slide block, wherein,
31 B-right chute;
4 a-a first link, which is connected to the first link,
41 A-a first rack of teeth,
4 B-a second link, which is connected to the first link,
41 B-a second rack;
5-a horizontal movement device;
6-transmission gear.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Examples:
As shown in fig. 1 and 2, the linkage type jacking mechanism of the invention comprises a fixing part, a jacking driving part and a lifting part, wherein the fixing part comprises a base plate 1, the lifting part comprises a lifting plate 2 parallel to the base plate 1, the lower part of the lifting plate 2 is provided with a plurality of sliding rails 21 in the same direction, the jacking driving part comprises a plurality of sliding blocks which can move along the sliding rails 21, the sliding blocks are divided into a left sliding block 3a and a right sliding block 3b, the left sliding block 3a is provided with a left sliding groove 31a, the right sliding block 3b is provided with a right sliding groove 31a, and the left sliding groove 31a and the right sliding groove 31b are symmetrical in shape; the base plate 1 is provided with limiting devices 11 which are in one-to-one correspondence with the sliding blocks, and the limiting devices 11 penetrate into the sliding grooves and provide upward lifting force for the sliding blocks; the left sliding block 3a is fixed on a first connecting rod 4a, and a first rack 41a is arranged on the first connecting rod 4 a; the right sliding block 3b is fixed on a second connecting rod 4b, and a second rack 41b is arranged on the second connecting rod 4 b; the lifting plate 2 is pivoted with a transmission gear 6 which is meshed with the first rack 41a and the second rack 41b at the same time; the lifting plate 2 is provided with a horizontal moving device 5 for driving the first link 4 a. The horizontal movement device 5 may be a member for realizing linear driving such as an air cylinder or a linear bearing. Although the horizontal moving device 5 only drives the first connecting rod 4a, the transmission gear 6 can make the first rack 41a and the second rack 41b reversely and equidistantly translate, and also make the left slider 3a and the right slider 3b reversely and equidistantly translate, and because the left slider and the right slider are limited by the limiting device 11, the left slider and the right slider can synchronously and horizontally lift with the lifting plate 2. The structure not only saves a horizontal moving device 5 with higher cost, but also ensures the synchronous linkage of the left and right sliding blocks and improves the lifting stability.
As shown in fig. 1 and 2, the left slider 3a has two and is fixed to both ends of the first link 4a, the right slider 3b has two and is fixed to both ends of the second link 4b, and four sliders support four corners of the lifting plate 2. This four-point lifting structure will make lifting more stable.
As shown in fig. 1, a plurality of guide posts 12 penetrating through the lifting plate 2 are erected on the base plate 1. Because the left and right sliding blocks and the limiting device 11 have high degree of freedom, the lifting plate 2 can shake, and the lifting parallelism of the lifting plate 2 can be improved by adopting the guide posts 12.
As shown in fig. 1, a sleeve 22 is fixed to the lifter plate 2 and is fitted over the guide post 12. The sleeve 22 increases the contact surface with the guide post 12, and improves the lifting stability.
As shown in fig. 1, the stopper 11 is provided with a cam 111 that can slide in a chute (left chute 31a or right chute 31 b). The friction between the cam 111 and the runner is sliding friction, which reduces the movement force on the one hand and avoids excessive noise on the other hand.
As shown in fig. 1, the chute (left chute 31a or right chute 31 b) includes a lifting section having a center line inclined less than 1 with respect to a horizontal plane. According to the force resolution rule, the smaller the inclination, the larger the lifting force, in the case where the driving force output by the horizontal movement device 5 is the same. This makes the device suitable for low-drive high-load situations.
As shown in fig. 1, the chute (left chute 31a or right chute 31 b) includes a horizontal section at the end of the lifting section. The horizontal section can limit the highest position or the lowest position of lifting, and accurate control of the working height is realized.
What has been described above is merely some embodiments of the present invention. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the invention.
Claims (6)
1. The utility model provides a linkage formula climbing mechanism, includes fixed part, jacking drive division and elevating system, and fixed part includes the base plate, and elevating system includes the lifter plate that is on a parallel with the base plate, its characterized in that: the lower part of the lifting plate is provided with a plurality of sliding rails in the same direction, the jacking driving part comprises a plurality of sliding blocks which can move along the sliding rails, the sliding blocks are divided into a left sliding block and a right sliding block, the left sliding block is provided with a left sliding groove, the right sliding block is provided with a right sliding groove, and the left sliding groove is symmetrical to the right sliding groove in shape; the base plate is provided with limiting devices which are in one-to-one correspondence with the sliding blocks, and the limiting devices penetrate into the sliding grooves and provide upward lifting force for the sliding blocks; the left sliding block is fixed on a first connecting rod, and a first rack is arranged on the first connecting rod; the right sliding block is fixed on a second connecting rod, and a second rack is arranged on the second connecting rod; a transmission gear meshed with the first rack and the second rack simultaneously is pivoted on the lifting plate; the lifting plate is provided with a horizontal moving device for driving the first connecting rod; the left sliding blocks are two and fixed at two ends of the first connecting rod, the right sliding blocks are two and fixed at two ends of the second connecting rod, and the four sliding blocks support four corners of the lifting plate.
2. The linkage-type jacking mechanism according to claim 1, wherein: and a plurality of guide posts penetrating through the lifting plate are vertically arranged on the base plate.
3. The linked jacking mechanism of claim 2, wherein: and a sleeve sleeved on the guide post is fixed on the lifting plate.
4. The linkage-type jacking mechanism according to claim 1, wherein: and the limiting device is provided with a cam capable of sliding in the chute.
5. The linked jacking mechanism of claim 4, wherein: the chute comprises a lifting section, and the inclination of the central line of the lifting section relative to the horizontal plane is smaller than 1.
6. The linkage-type jacking mechanism according to claim 5, wherein: the chute comprises a horizontal section at the end of the lifting section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810501344.9A CN108502776B (en) | 2018-05-23 | 2018-05-23 | Linkage type jacking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810501344.9A CN108502776B (en) | 2018-05-23 | 2018-05-23 | Linkage type jacking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108502776A CN108502776A (en) | 2018-09-07 |
| CN108502776B true CN108502776B (en) | 2024-07-19 |
Family
ID=63401350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810501344.9A Active CN108502776B (en) | 2018-05-23 | 2018-05-23 | Linkage type jacking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108502776B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114228526A (en) * | 2021-12-24 | 2022-03-25 | 东风汽车有限公司东风日产乘用车公司 | Charging seat lifting device |
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| CN106429969A (en) * | 2016-11-17 | 2017-02-22 | 深圳市百通先科技有限公司 | Single-cylinder jacking device |
| CN208471439U (en) * | 2018-05-23 | 2019-02-05 | 苏州博众机器人有限公司 | Linkage type lifting body |
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| KR20030060307A (en) * | 2002-01-08 | 2003-07-16 | 노주태 | up and down apparatus of membrane press of working table |
| CN2725260Y (en) * | 2004-04-08 | 2005-09-14 | 兰州理工大学 | Two Piece shearing hydraulic lifting plat form synchronous lifting mechanical device |
| CN201236129Y (en) * | 2008-05-10 | 2009-05-13 | 海克斯康测量技术(青岛)有限公司 | Synchronous lifting and lowering mechanism and material feeding/discharging system |
| KR100917405B1 (en) * | 2008-10-11 | 2009-09-14 | 박인호 | Lift device of wavetest chamber entry |
| RU2381986C1 (en) * | 2008-12-25 | 2010-02-20 | Александр Макарович Салдаев | Load lifting table |
| CN201634368U (en) * | 2009-12-08 | 2010-11-17 | 东风汽车公司 | Synchronous lifting mechanism |
| CN202201682U (en) * | 2011-07-26 | 2012-04-25 | 东莞市新泽谷机械有限公司 | Connecting table lifting mechanism with buffering function |
| CN203754340U (en) * | 2014-03-27 | 2014-08-06 | 儒拉玛特自动化技术(苏州)有限公司 | Jacking bearing mechanism |
| CN204172522U (en) * | 2014-10-20 | 2015-02-25 | 邹干丁 | Cementing machine cam-type clamping lifting platform |
| KR101601933B1 (en) * | 2015-07-30 | 2016-03-10 | (주)우진쿼터스 | The furniture lifts |
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| CN205634760U (en) * | 2016-05-24 | 2016-10-12 | 昆山钜东光电设备有限公司 | Lifting mechanism |
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- 2018-05-23 CN CN201810501344.9A patent/CN108502776B/en active Active
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| CN106429969A (en) * | 2016-11-17 | 2017-02-22 | 深圳市百通先科技有限公司 | Single-cylinder jacking device |
| CN208471439U (en) * | 2018-05-23 | 2019-02-05 | 苏州博众机器人有限公司 | Linkage type lifting body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108502776A (en) | 2018-09-07 |
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| PB01 | Publication | ||
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| CB02 | Change of applicant information |
Address after: 215000 standard plant 7, Dongyun Science Park, No. 558, Huxi Road, Wujiang Economic and Technological Development Zone, Suzhou, Jiangsu Province Applicant after: Suzhou Bozhong intelligent robot Co.,Ltd. Address before: 215000 standard plant 7, Dongyun Science Park, No. 558, Huxi Road, Wujiang Economic and Technological Development Zone, Suzhou, Jiangsu Province Applicant before: SUZHOU BOZHONG ROBOT Co.,Ltd. |
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