CN219546585U - Multistage hydro-cylinder jacking device - Google Patents
Multistage hydro-cylinder jacking device Download PDFInfo
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- CN219546585U CN219546585U CN202223430990.1U CN202223430990U CN219546585U CN 219546585 U CN219546585 U CN 219546585U CN 202223430990 U CN202223430990 U CN 202223430990U CN 219546585 U CN219546585 U CN 219546585U
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Abstract
The utility model relates to a multi-stage oil cylinder jacking device which comprises a base, a jacking bracket, a multi-stage jacking oil cylinder, a middle oil cylinder and a jack, wherein the base comprises a longitudinal moving sliding table, a transverse moving sliding table, a longitudinal moving oil cylinder, a transverse moving oil cylinder and a transverse moving sliding seat, the longitudinal moving sliding table is provided with the longitudinal moving oil cylinder for driving the transverse moving sliding table to longitudinally move in the longitudinal moving sliding table, and the transverse moving sliding table is provided with the transverse moving oil cylinder for driving the transverse moving sliding seat to transversely move in the transverse moving sliding table; four multi-stage jacking oil cylinders are arranged on the transverse moving sliding seat, the jacking bracket is arranged on the cylinder rods of the four multi-stage jacking oil cylinders in a bearing mode, and a jack driven by the middle oil cylinder is arranged in the middle of the jacking bracket. The utility model has the advantages of scientific and reasonable design, convenient operation, capability of being adjusted in the horizontal direction, difficult deflection, strong jacking stability and easy realization.
Description
Technical Field
The utility model belongs to the field of aircraft rescue devices, and relates to a multi-stage oil cylinder jacking device.
Background
The oil cylinder jacking device is a jacking device commonly used in aircraft rescue. When the airplane body tilts due to faults, the lifting device of the oil cylinder is required to act on the tilted wing, and the lifting of the tilting position of the airplane is realized under the action of the multi-stage oil cylinder, so that the airplane body is straightened.
When the lifting operation, the vertex of the hydro-cylinder jacking device acts on the fixed jacking point position of the wing, the jacking point position can change along with the fact that the wing is jacked, so that the jacking device can horizontally displace, the existing jacking device does not have the function of adjusting along with the jacking point position, deflection is easy to occur, and stable jacking of an aircraft is not facilitated. When jacking, the force applied to the jacking device by the wing is large, the jacking point of the jacking device is horizontally offset in the jacking process, the jacking direction is slightly deviated from the direction of the force applied by the wing, the force distributed on the horizontal direction by the wing can cause the jacking device to offset, and the wing can roll over in severe cases.
Disclosure of Invention
The utility model aims to provide a multistage oil cylinder jacking device which has scientific and reasonable structural design, is convenient to operate, can be adjusted in the horizontal direction, is not easy to deflect, has strong jacking stability and is easy to realize.
The utility model solves the technical problems by the following technical proposal:
a multistage hydro-cylinder jacking device which characterized in that: the lifting jack comprises a base, a lifting support, a multi-stage lifting cylinder, a middle cylinder and a jack head, wherein the base comprises a longitudinal moving sliding table, a transverse moving sliding table, a longitudinal moving cylinder, a transverse moving cylinder and a transverse moving sliding seat, the transverse moving sliding table is slidably arranged on the longitudinal moving sliding table, the transverse moving sliding seat is arranged on the transverse moving sliding table, the longitudinal moving cylinder for driving the transverse moving sliding table to longitudinally move in the longitudinal moving sliding table is arranged on the longitudinal moving sliding table, and the transverse moving cylinder for driving the transverse moving sliding seat to transversely move in the transverse moving sliding table is arranged on the transverse moving sliding table; four multi-stage jacking oil cylinders are arranged on the transverse moving sliding seat, the jacking bracket is arranged on the cylinder rods of the four multi-stage jacking oil cylinders in a bearing mode, and a jack driven by the middle oil cylinder is arranged in the middle of the jacking bracket.
Moreover, jacking support include jacking frame, mount table, installation arm and flange, jacking frame constitute by enclosing wallboard and mounting panel, enclose the length of wallboard and be greater than the length of mounting panel, enclose wallboard and mounting panel interval setting, enclose into an octagonal frame construction, be provided with the octagon mount table at the middle part of this frame construction, all be provided with the installation arm that is connected to the mount table in the left and right sides of each mounting panel, through the jar pole earring of round pin hub connection multistage jacking cylinder between two installation arms on a mounting panel install middle hydro-cylinder through flange on the bottom surface of mount table, the jar pole of middle hydro-cylinder is worn out by the middle part of mount table, installs the jack on the jar pole of middle hydro-cylinder.
The anti-deflection reinforcing mechanism comprises an anti-deflection bracket and a middle bracket, wherein a plurality of middle brackets are arranged at the right lower end of the jacking bracket, each middle bracket comprises a middle frame and connecting lugs, the four corners of the middle frame are respectively provided with connecting lugs which horizontally extend to two sides, and the connecting lugs are provided with perforations;
the left side and the right side of the transverse moving sliding seat are respectively provided with an upward extending deflection preventing support, the deflection preventing supports are composed of a plurality of deflection preventing plates, the deflection preventing plates are of structures in which hinged connecting pieces are arranged on the left side and the right side of the upper end and the lower end of a plate body, the deflection preventing plates are sequentially connected through penetrating shafts, the deflection preventing plates at the top are hinged to connecting lugs of the jacking support, the deflection preventing plates at the bottom are hinged to the transverse moving sliding seat, and hinge connecting points with odd middle numbers are hinged to connecting lugs of the middle frame respectively.
The hinge connecting piece is of an integrally formed structure and is composed of a ring body and clamping legs symmetrically arranged at the upper end and the lower end of the ring body, clamping heads protruding inwards are arranged at the end parts of the clamping legs, the clamping legs are clamped on the side end faces of the deflection-preventing plate, and clamping holes matched with the clamping heads are formed in the upper end face and the lower end face of the deflection-preventing plate.
The middle support further comprises a partition plate, the partition plate which is arranged in a crisscross manner is arranged in the middle frame, the partition plate divides the middle frame into four spaces, and each space is opposite to the multistage jacking cylinder.
The utility model has the advantages and beneficial effects that:
1. the multistage oil cylinder jacking device realizes the forward and backward movement of the jacking device in the transverse direction and the longitudinal direction through the design of the adjustable base, so that the jacking device can be matched with the movement of the jacking point position of the wing to prevent the wing from deflecting.
2. The multi-stage oil cylinder jacking device can further strengthen the bearing force of the jacking device through the arrangement of the deflection preventing reinforcing mechanism, and once the deflection trend exists, the deflection can be avoided through the support of the deflection preventing plate.
3. The multistage oil cylinder jacking device is scientific and reasonable in design, convenient to operate, capable of being adjusted in the horizontal direction, not easy to deflect, strong in jacking stability and easy to implement, and is a multistage oil cylinder jacking device with higher innovation.
Drawings
FIG. 1 is a schematic view of the structure of the present utility model before lifting;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a schematic view of the structure of the present utility model after lifting;
FIG. 4 is a front view of FIG. 3;
FIG. 5 is a schematic view of the structure of the assembly of the base and the multi-stage lift cylinder of the present utility model;
FIG. 6 is a schematic view of the structure of the deflection preventing plate of the present utility model.
Reference numerals illustrate:
1-deflection prevention support, 2-mounting arm, 3-jack, 4-mounting table, 5-jacking support, 6-base, 7-multistage jacking cylinder, 8-middle cylinder, 9-middle support, 10-lateral movement cylinder, 11-longitudinal movement cylinder, 12-longitudinal movement sliding table, 13-lateral movement sliding table, 14-connecting lug, 15-lateral movement sliding seat, 16-hinged connecting piece and 17-deflection prevention plate.
Detailed Description
The utility model is further illustrated by the following examples, which are intended to be illustrative only and not limiting in any way.
A multi-stage oil cylinder jacking device is innovative in that: the lifting jack comprises a base 6, a lifting support 5, a multi-stage lifting cylinder 7, an intermediate cylinder 8 and a jack head 3, wherein the base comprises a longitudinal moving sliding table 12, a transverse moving sliding table 13, a longitudinal moving cylinder 11, a transverse moving cylinder 10 and a transverse moving sliding seat 15, the transverse moving sliding table is slidably arranged on the longitudinal moving sliding table, the transverse moving sliding seat is arranged on the transverse moving sliding table, the longitudinal moving sliding table is provided with the longitudinal moving cylinder for driving the transverse moving sliding table to longitudinally move in the transverse moving sliding table, and the transverse moving sliding table is provided with the transverse moving cylinder for driving the transverse moving sliding seat to transversely move in the transverse moving sliding table; four multi-stage jacking oil cylinders are arranged on the transverse moving sliding seat, the jacking bracket is arranged on the cylinder rods of the four multi-stage jacking oil cylinders in a bearing mode, and a jack driven by the middle oil cylinder is arranged in the middle of the jacking bracket.
The lifting support is used for installing the middle oil cylinder, the driver is lifted under the action of the bottom multistage lifting oil cylinder, and then lifting driving of the jack head is realized under the action of the middle oil cylinder. The jacking bracket comprises a jacking frame, an installation table 4, installation arms 2 and a connecting flange, wherein the jacking frame is composed of a wall plate and an installation plate, the length of the wall plate is larger than that of the installation plate, the wall plate and the installation plate are arranged at intervals to form an octagonal frame structure, the octagonal installation table is arranged in the middle of the frame structure, the installation arms connected to the installation table are arranged on the left side and the right side of each installation plate, cylinder rod earrings of the multistage jacking cylinder are connected between the two installation arms on one installation plate through pin shafts, an intermediate cylinder is installed on the bottom surface of the installation table through the connecting flange, a cylinder rod of the intermediate cylinder penetrates out from the middle of the installation table, and a jack is installed on the cylinder rod of the intermediate cylinder.
In order to further prevent the deflection phenomenon of the jacking device, an anti-deflection reinforcing mechanism is also designed, the anti-deflection reinforcing mechanism comprises an anti-deflection bracket 1 and a middle bracket 9, a plurality of middle brackets are arranged at the right lower end of the jacking bracket, each middle bracket comprises a middle frame and connecting lugs 14, connecting lugs horizontally extending to two sides are arranged at four corners of the middle frame, and perforations are arranged on the connecting lugs;
the left side and the right side of the transverse moving sliding seat are respectively provided with an upward extending deflection preventing bracket which is in a folded shape and consists of a plurality of deflection preventing plates 17, the deflection preventing plates are of structures in which hinge connecting pieces 16 are arranged on the left side and the right side of the upper end and the lower end of the plate body, the deflection preventing plates are sequentially connected through penetrating shafts, the deflection preventing plates at the top are hinged on the connecting lugs of the jacking bracket, the deflection preventing plates at the bottom are hinged on the transverse moving sliding seat, and hinge connecting points of odd numbers in the middle are respectively hinged on the connecting lugs of the middle frame. Along with the lifting of the cylinder rod of the multi-stage lifting cylinder, the deflection-preventing support and the middle support move along with the lifting.
The hinge-mounted connecting piece is of an integrally formed structure and is composed of a ring body and clamping legs symmetrically arranged at the upper end and the lower end of the ring body, the end parts of the clamping legs are provided with inwards-protruding clamping heads, the clamping legs are clamped on the side end faces of the deflection-preventing plate, and clamping holes matched with the clamping heads are formed in the upper end face and the lower end face of the deflection-preventing plate. The hinge-mounted connecting pieces on the adjacent deflection-preventing plates are arranged in a staggered manner so as to be capable of being transmitted into a penetrating shaft to realize hinge connection, and the penetrating shaft is penetrated on front and rear connecting lugs.
The middle support also comprises a partition plate, wherein the partition plate which is arranged in a crisscross manner is arranged in the middle frame, the partition plate divides the middle frame into four spaces equally, and each space is opposite to the multistage jacking cylinder. The partition plate can play a role in reinforcing the middle bracket.
The multi-stage jacking oil cylinders at the bottom in the jacking device and the middle oil cylinder are all multi-stage oil cylinders.
The device comprises the following steps:
1. the jacking device is placed below an object to be jacked, and the jacking point is fixed well;
2. the middle oil cylinder at the uppermost layer starts to work, the oil cylinder rod extends, the position of the top point is raised, the corresponding deflection preventing support is also raised, after the oil cylinder at the uppermost layer extends out, the oil cylinder at the second layer starts to work, and the jack continuously rises upwards. When the lifting jack is lifted upwards and the airplane is required to be righted according to the on-site actual working condition, for example, in the rescue of an aircraft, when a main landing gear on one side is inclined due to accident, the lifting jack can generate horizontal displacement towards the direction of the airplane body, and at the moment, a horizontal moving oil cylinder or a longitudinal moving oil cylinder is started, so that the horizontal/longitudinal displacement can be realized;
3. the jack jacks the object to a consistent height, namely, the aircraft is righted;
4. when the jack is retracted, the oil cylinders at the lowest layer are firstly retracted, then sequentially retracted, and the oil cylinders at the uppermost layer are finally retracted. Restoring the transverse moving oil cylinder and the longitudinal moving oil cylinder to the original positions;
5. the jacking device is moved from the work site to a storage warehouse.
Although the embodiments of the present utility model and the accompanying drawings have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the utility model and the appended claims, and therefore the scope of the utility model is not limited to the embodiments and the disclosure of the drawings.
Claims (5)
1. A multistage hydro-cylinder jacking device which characterized in that: the lifting jack comprises a base, a lifting support, a multi-stage lifting cylinder, a middle cylinder and a jack head, wherein the base comprises a longitudinal moving sliding table, a transverse moving sliding table, a longitudinal moving cylinder, a transverse moving cylinder and a transverse moving sliding seat, the transverse moving sliding table is slidably arranged on the longitudinal moving sliding table, the transverse moving sliding seat is arranged on the transverse moving sliding table, the longitudinal moving cylinder for driving the transverse moving sliding table to longitudinally move in the longitudinal moving sliding table is arranged on the longitudinal moving sliding table, and the transverse moving cylinder for driving the transverse moving sliding seat to transversely move in the transverse moving sliding table is arranged on the transverse moving sliding table; four multi-stage jacking oil cylinders are arranged on the transverse moving sliding seat, the jacking bracket is arranged on the cylinder rods of the four multi-stage jacking oil cylinders in a bearing mode, and a jack driven by the middle oil cylinder is arranged in the middle of the jacking bracket.
2. The multi-stage cylinder jacking device according to claim 1, wherein: the jacking bracket comprises a jacking frame, an installation table, installation arms and a connecting flange, wherein the jacking frame is composed of a wall plate and an installation plate, the length of the wall plate is larger than that of the installation plate, the wall plate and the installation plate are arranged at intervals to form an octagonal frame structure, the octagonal installation table is arranged in the middle of the frame structure, the installation arms connected to the installation table are arranged on the left side and the right side of each installation plate, cylinder rod earrings of the multistage jacking cylinders are connected between the two installation arms on one installation plate through pin shafts, an intermediate cylinder is installed on the bottom surface of the installation table through the connecting flange, a cylinder rod of the intermediate cylinder penetrates out from the middle of the installation table, and jack heads are installed on the cylinder rods of the intermediate cylinder.
3. The multi-stage cylinder jacking device according to claim 1, wherein: the anti-deflection reinforcing mechanism comprises an anti-deflection bracket and a middle bracket, wherein a plurality of middle brackets are arranged at the right lower end of the jacking bracket, each middle bracket comprises a middle frame and connecting lugs, the four corners of the middle frame are respectively provided with connecting lugs which horizontally extend towards two sides, and the connecting lugs are provided with perforations;
the left side and the right side of the transverse moving sliding seat are respectively provided with an upward extending deflection preventing support, the deflection preventing supports are composed of a plurality of deflection preventing plates, the deflection preventing plates are of structures in which hinged connecting pieces are arranged on the left side and the right side of the upper end and the lower end of a plate body, the deflection preventing plates are sequentially connected through penetrating shafts, the deflection preventing plates at the top are hinged to connecting lugs of the jacking support, the deflection preventing plates at the bottom are hinged to the transverse moving sliding seat, and hinge connecting points with odd middle numbers are hinged to connecting lugs of the middle frame respectively.
4. A multi-stage cylinder jacking device as claimed in claim 3, wherein: the hinge-mounted connecting piece is of an integrally formed structure and is composed of a ring body and clamping legs symmetrically arranged at the upper end and the lower end of the ring body, the end parts of the clamping legs are provided with inwards-protruding clamping heads, the clamping legs are clamped on the side end faces of the deflection-preventing plate, and clamping holes matched with the clamping heads are formed in the upper end face and the lower end face of the deflection-preventing plate.
5. A multi-stage cylinder jacking device as claimed in claim 3, wherein: the middle support also comprises a partition plate, wherein the partition plate which is arranged in a crisscross manner is arranged in the middle frame, the partition plate divides the middle frame into four spaces equally, and each space is opposite to the multistage jacking cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223430990.1U CN219546585U (en) | 2022-12-21 | 2022-12-21 | Multistage hydro-cylinder jacking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223430990.1U CN219546585U (en) | 2022-12-21 | 2022-12-21 | Multistage hydro-cylinder jacking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219546585U true CN219546585U (en) | 2023-08-18 |
Family
ID=87728304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223430990.1U Active CN219546585U (en) | 2022-12-21 | 2022-12-21 | Multistage hydro-cylinder jacking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219546585U (en) |
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2022
- 2022-12-21 CN CN202223430990.1U patent/CN219546585U/en active Active
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