CN114291762B - Self-centering jacking device and jacking method - Google Patents
Self-centering jacking device and jacking method Download PDFInfo
- Publication number
- CN114291762B CN114291762B CN202210012720.4A CN202210012720A CN114291762B CN 114291762 B CN114291762 B CN 114291762B CN 202210012720 A CN202210012720 A CN 202210012720A CN 114291762 B CN114291762 B CN 114291762B
- Authority
- CN
- China
- Prior art keywords
- spherical gasket
- jacking
- arc
- self
- spherical
- 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.)
- Active
Links
Landscapes
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention provides a self-centering jacking device, and belongs to the technical field of ship installation equipment. The lifting device comprises a lifting mechanism, wherein the bottom surface of the lifting mechanism is provided with a first spherical gasket, the bottom surface of the first spherical gasket is in an arc shape, a bottom plate is arranged on the first spherical gasket in a descending mode, an arc-shaped groove corresponding to the arc-shaped bottom surface of the first spherical gasket is arranged on the bottom plate, a second spherical gasket is arranged above the lifting mechanism, the upper end surface of the second spherical gasket is in an arc shape, a top plate is arranged above the second spherical gasket, and an arc-shaped groove corresponding to the arc-shaped upper end surface of the second spherical gasket is arranged on the top plate.
Description
Technical Field
The invention relates to a self-centering jacking device and a jacking method, and belongs to the technical field of ship installation equipment.
Background
In the installation process of ship equipment, the equipment is lifted by utilizing the hydraulic oil cylinder, the equipment can incline in the lifting process due to the unstable work of a hydraulic system, the non-horizontal contact surface between the hydraulic oil cylinder and an equipment installation base and the like, and the equipment and the hydraulic oil cylinder are subjected to lateral supporting force to influence the performance and the service life, so that challenges are brought to the on-site construction progress and risk.
Disclosure of Invention
The invention aims to design a self-centering jacking device which is convenient to install, quick in centering response and applicable to an inclined plane, and is used for balancing the posture of equipment to be jacked, so that the equipment can be jacked safely and smoothly, the installation efficiency of the equipment is improved, and the construction risk is reduced.
To achieve the above and other related objects, the present invention provides a self-centering jacking device comprising: the lifting mechanism is characterized in that a first spherical gasket is arranged on the bottom surface of the lifting mechanism, the bottom surface of the first spherical gasket is arc-shaped, a bottom plate is arranged on the first spherical gasket in a descending mode, arc grooves corresponding to the arc-shaped bottom surface of the first spherical gasket are formed in the bottom plate, a second spherical gasket is arranged above the lifting mechanism, the upper end surface of the second spherical gasket is arc-shaped, a top plate is arranged above the second spherical gasket, and arc grooves corresponding to the arc-shaped upper end surface of the second spherical gasket are formed in the top plate.
In one embodiment of the present invention, the bottom plate is in contact with the base.
In one embodiment of the present invention, the top plate is in contact with the bottom surface of the device.
In an embodiment of the present invention, a limiting protrusion is disposed in the middle of the arc-shaped groove on the bottom plate, and a limiting groove corresponding to the limiting protrusion is disposed in the middle of the arc-shaped bottom surface on the first spherical gasket.
In an embodiment of the invention, a limiting protrusion is disposed in the middle of the arc-shaped groove on the top plate, and a limiting groove corresponding to the limiting protrusion is disposed in the middle of the arc-shaped upper end surface on the second spherical gasket.
In an embodiment of the invention, the jacking mechanism adopts a hydraulic cylinder.
A self-centering jacking method comprises the following steps:
s1, jacking equipment;
s2, mounting a bottom plate and a first spherical gasket;
s3, mounting a top plate and a second spherical gasket;
s4, jacking the device in a self-centering manner.
In an embodiment of the present invention, the specific steps of jacking the device are: jacking the equipment to a certain height by using a jacking bolt or a small hydraulic cylinder.
In an embodiment of the present invention, the specific steps of the mounting base plate and the first spherical spacer are: and installing a bottom plate on the inclined plane, sleeving the first spherical gasket into the convex part of the installation bottom plate, and placing the hydraulic cylinder on the first spherical gasket.
In an embodiment of the invention, the specific steps of installing the top plate and the second spherical spacer are as follows: and a second spherical gasket and a top plate are sequentially arranged on the hydraulic cylinder, and the equipment is dropped onto the top plate.
As described above, the self-centering jacking device has the following beneficial effects:
the invention effectively solves the inclination problem in the equipment jacking process, the centering method is convenient and simple to use, the centering device is safe and reliable to use, the equipment jacking efficiency is improved, the site construction risk is effectively reduced, and the guarantee is provided for the smooth completion of engineering nodes.
Drawings
Fig. 1 is a schematic diagram of a self-centering jacking device according to an embodiment of the invention.
Wherein, 1, the bottom plate; 2. a first spherical spacer; 3. a second spherical spacer; 4. a top plate; 5. a hydraulic cylinder; 6. a groove; 7. an apparatus; 8. a limit protrusion; 9. a base; 10. and a limit groove.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
Please refer to fig. 1. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the invention, are not intended to be critical to the essential characteristics of the invention, but are intended to fall within the spirit and scope of the invention. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
Referring to fig. 1, the present invention provides a self-centering jacking device, which includes: the lifting mechanism 5, the lifting mechanism 5 adopts hydraulic cylinder, lifting mechanism 5 bottom surface sets up first spherical gasket 2, first spherical gasket 2 bottom surface is circular-arc, first spherical gasket 2 down is provided with bottom plate 1, be provided with the arc recess 6 corresponding with first spherical gasket 2 circular-arc bottom surface on the bottom plate 1, be provided with spacing arch 8 in the middle of the arc recess 6 on the bottom plate 1, be provided with the spacing recess 10 corresponding with spacing arch 8 in the middle of the circular-arc bottom surface on first spherical gasket 2, lifting mechanism 5 top is provided with second spherical gasket 3, second spherical gasket 3 up end is circular-arc, second spherical gasket 3 top is provided with roof 4, be provided with the arc recess 6 corresponding with second spherical gasket 3 circular-arc up end on roof 4 on the roof 4, be provided with spacing arch 8 in the middle of the arc recess 6 on the second spherical gasket 3, be provided with spacing recess 10 corresponding with spacing arch 8 in the middle of the circular-arc up end.
The self-centering jacking method comprises the following steps:
s1, jacking equipment
Setting up limit frames at four corners of the equipment, carrying out auxiliary limit by utilizing a grid structure and a plurality of hoisting hoists to prevent the equipment from sliding in the jacking process, jacking the equipment to a certain height by using jacking bolts or small hydraulic cylinders;
s2, mounting a bottom plate and a first spherical gasket
Mounting a bottom plate on an inclined plane, sleeving the first spherical gasket to a convex part of the mounting bottom plate, placing a hydraulic cylinder on the first spherical gasket, paying attention to the contact condition of the spherical part of the first spherical gasket and the spherical part of the bottom plate, coating lubricating oil to ensure that the contact surface is smooth, and ensuring that the limit of the bottom plate and the limit groove of the first spherical gasket have certain limit functions so as to ensure that the first spherical gasket cannot slide to be separated from the curved surface of the bottom plate;
s3, mounting a top plate and a second spherical gasket
Placing a hydraulic cylinder on the first spherical gasket to ensure that the gravity center of the hydraulic cylinder is at the center of the first spherical gasket, sequentially installing a second spherical gasket and a top plate, clamping the groove structure of the second spherical gasket with the top of the hydraulic cylinder to prevent the hydraulic cylinder from sliding with the first spherical gasket, inserting the limit convex part of the top plate into the limit groove of the second spherical gasket, paying attention to the contact condition of the spherical part of the second spherical gasket and the spherical part of the top plate, and coating lubricating oil to ensure the smoothness of the contact surface;
s4, self-centering jacking of equipment
Gradually unloading jack bolts or small hydraulic cylinders to drop the apparatus onto the top plate. The contact surface of the bottom plate and the first spherical gasket and the contact surface of the top plate and the second spherical gasket are spherical surfaces, so that the self-centering process can be realized from two contact spherical surfaces and four degrees of freedom, the self-centering process is quick and convenient, equipment is lifted to a certain height according to the lifting height requirement after self-centering, the condition that a hydraulic system is unstable in operation and small-amplitude shake is brought to a self-centering lifting adjusting device in the lifting process possibly occurs, and the self-centering adjusting capability of the adjusting device can quickly respond and maintain the stable state of the equipment in the lifting process.
In conclusion, the invention effectively solves the inclination problem in the equipment jacking process, the centering method is convenient and simple to use, the centering device is safe and reliable to use, the equipment jacking efficiency is improved, the site construction risk is effectively reduced, and the guarantee is provided for the smooth completion of engineering nodes. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (8)
1. A self-centering jacking device, characterized in that it comprises: the lifting mechanism (5), the bottom surface of the lifting mechanism (5) is provided with a first spherical gasket (2), the bottom surface of the first spherical gasket (2) is arc-shaped, a bottom plate (1) is arranged below the first spherical gasket (2), the bottom plate (1) is provided with an arc-shaped groove (6) corresponding to the arc-shaped bottom surface of the first spherical gasket (2), and the bottom plate (1) is in contact connection with the base (9); the lifting mechanism is characterized in that a second spherical gasket (3) is arranged above the lifting mechanism (5), the upper end face of the second spherical gasket (3) is arc-shaped, a top plate (4) is arranged above the second spherical gasket (3), an arc-shaped groove (6) corresponding to the arc-shaped upper end face of the second spherical gasket (3) is arranged on the top plate (4), and the top plate (4) is in contact connection with the bottom face of the equipment (7).
2. A self-centering jacking device as claimed in claim 1, wherein: limiting protrusions (8) are arranged in the middle of the arc-shaped grooves (6) on the bottom plate (1), and limiting grooves (10) corresponding to the limiting protrusions (8) are arranged in the middle of the arc-shaped bottom surfaces on the first spherical gaskets (2).
3. A self-centering jacking device as claimed in claim 1, wherein: a limiting protrusion (8) is arranged in the middle of the arc-shaped groove (6) on the top plate (4), and a limiting groove (10) corresponding to the limiting protrusion (8) is arranged in the middle of the arc-shaped upper end surface on the second spherical gasket (3).
4. A self-centering jacking device as claimed in claim 1, wherein: the jacking mechanism (5) adopts a hydraulic cylinder.
5. The self-centering jacking method is characterized by comprising the following steps of:
s1, jacking equipment;
s2, mounting a bottom plate and a first spherical gasket;
s3, mounting a top plate and a second spherical gasket;
s4, jacking the device in a self-centering manner.
6. The self-centering jacking method as claimed in claim 5, wherein: the specific steps of the equipment jacking are as follows: jacking the equipment to a certain height by using a jacking bolt or a small hydraulic cylinder.
7. The self-centering jacking method as claimed in claim 5, wherein: the specific steps of the mounting bottom plate and the first spherical gasket are as follows: and installing a bottom plate on the inclined plane, sleeving the first spherical gasket into the convex part of the installation bottom plate, and placing the hydraulic cylinder on the first spherical gasket.
8. The self-centering jacking method as claimed in claim 5, wherein: the specific steps of installing the top plate and the second spherical gasket are as follows: and a second spherical gasket and a top plate are sequentially arranged on the hydraulic cylinder, and the equipment is dropped onto the top plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210012720.4A CN114291762B (en) | 2022-01-07 | 2022-01-07 | Self-centering jacking device and jacking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210012720.4A CN114291762B (en) | 2022-01-07 | 2022-01-07 | Self-centering jacking device and jacking method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114291762A CN114291762A (en) | 2022-04-08 |
| CN114291762B true CN114291762B (en) | 2023-10-17 |
Family
ID=80975007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210012720.4A Active CN114291762B (en) | 2022-01-07 | 2022-01-07 | Self-centering jacking device and jacking method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114291762B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4840533A (en) * | 1985-12-24 | 1989-06-20 | O & K Orenstein & Koppel Ag | Apparatus for transporting loads |
| DE19512063A1 (en) * | 1995-03-29 | 1996-10-02 | Becker Neckarsulm Maschf | Lifting platform for vehicles |
| CN210761220U (en) * | 2019-08-15 | 2020-06-16 | 茂名市电白区中南船舶建造有限公司 | Ship block jacking device |
| CN211571441U (en) * | 2019-11-27 | 2020-09-25 | 青岛交建集团有限公司 | Jack is used in bridge maintenance |
| CN112299288A (en) * | 2019-08-02 | 2021-02-02 | 广州市远能物流自动化设备科技有限公司 | Lifting limiting device |
| CN112573430A (en) * | 2020-12-17 | 2021-03-30 | 纽科伦（新乡）起重机有限公司 | Lifting centering adjusting mechanism of crane beam box |
| CN215208266U (en) * | 2021-04-21 | 2021-12-17 | 广州市嘉特斯机电制造有限公司 | Floating type automatic correction lifting mechanism |
| CN215214382U (en) * | 2020-12-25 | 2021-12-17 | 无锡朗贤轻量化科技股份有限公司 | Jacking device for centering table |
-
2022
- 2022-01-07 CN CN202210012720.4A patent/CN114291762B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4840533A (en) * | 1985-12-24 | 1989-06-20 | O & K Orenstein & Koppel Ag | Apparatus for transporting loads |
| DE19512063A1 (en) * | 1995-03-29 | 1996-10-02 | Becker Neckarsulm Maschf | Lifting platform for vehicles |
| CN112299288A (en) * | 2019-08-02 | 2021-02-02 | 广州市远能物流自动化设备科技有限公司 | Lifting limiting device |
| CN210761220U (en) * | 2019-08-15 | 2020-06-16 | 茂名市电白区中南船舶建造有限公司 | Ship block jacking device |
| CN211571441U (en) * | 2019-11-27 | 2020-09-25 | 青岛交建集团有限公司 | Jack is used in bridge maintenance |
| CN112573430A (en) * | 2020-12-17 | 2021-03-30 | 纽科伦（新乡）起重机有限公司 | Lifting centering adjusting mechanism of crane beam box |
| CN215214382U (en) * | 2020-12-25 | 2021-12-17 | 无锡朗贤轻量化科技股份有限公司 | Jacking device for centering table |
| CN215208266U (en) * | 2021-04-21 | 2021-12-17 | 广州市嘉特斯机电制造有限公司 | Floating type automatic correction lifting mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114291762A (en) | 2022-04-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101948047B (en) | Pre-stacking device of hydraulic electromagnetic steel plates | |
| CN114291762B (en) | Self-centering jacking device and jacking method | |
| CN201901526U (en) | Mobile crane and supporting-foot base plate thereof | |
| CN110963437A (en) | Transfer device for flat prefabricated parts | |
| CN217417923U (en) | Foundation pile handling clamping device for building | |
| CN201770324U (en) | Hydraulic electromagnetic steel plate pre-stacking device | |
| CN114835005A (en) | Special lifting appliance for gun turret of naval gun | |
| CN217577982U (en) | Sealed conical bearing extracting tool | |
| CN211368360U (en) | Stable bridge support | |
| CN210659482U (en) | Inverted installation device for tower body of absorption tower | |
| CN114293801A (en) | Wood structure ancient building protection device in building cultural heritage | |
| CN107304030B (en) | Special hoisting device for replacing heat exchange tube of transverse tube cooler and application method thereof | |
| CN108557688B (en) | Lifting device | |
| CN215633521U (en) | Fan integral installation fixing base | |
| CN218747471U (en) | Phase modifier rotor supporting tool | |
| CN211517254U (en) | Large-scale head fixing clamp | |
| CN217148256U (en) | U-shaped pipeline hoisting structure | |
| CN210366595U (en) | Lifting appliance | |
| CN219771485U (en) | Turning device of hydraulic generator group lens plate | |
| CN117755981A (en) | Hoisting method for mill housing | |
| CN220098258U (en) | Trunnion structure capable of being used for various hoisting modes | |
| CN220467272U (en) | Buttress device capable of being used for hoisting | |
| CN214828434U (en) | Compensating beam structure | |
| CN216235579U (en) | Special lifting appliance for replacing cooling section of sintering desulfurization desorption tower | |
| CN220165619U (en) | Lifting tool for engine cylinder sleeve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |