CN216512611U

CN216512611U - Jacking device assisted by oil cylinder

Info

Publication number: CN216512611U
Application number: CN202123302802.2U
Authority: CN
Inventors: 鞠鹏; 王翔; 梁星; 姜涛
Original assignee: CCCC First Harbor Engineering Co Ltd; No 2 Engineering Co Ltd of CCCC First Harbor Engineering Co Ltd
Current assignee: CCCC First Harbor Engineering Co Ltd; No 2 Engineering Co Ltd of CCCC First Harbor Engineering Co Ltd
Priority date: 2021-12-24
Filing date: 2021-12-24
Publication date: 2022-05-13
Anticipated expiration: 2031-12-24

Abstract

The utility model relates to the technical field of engineering equipment, in particular to an oil cylinder assisted jacking device; the method comprises the following steps: an auxiliary oil cylinder; the bearing assembly is positioned on one side of the auxiliary oil cylinder and comprises a fixed part and a movable part which can move up and down along the fixed part; the transmission assembly comprises a lifting motor, a driving gear and a lifting gear; the lifting motor is fixed on the cylinder barrel of the auxiliary oil cylinder and can move up and down along the cylinder barrel, the driving gear is arranged on an output shaft of the lifting motor, the lifting gear is fixed on the movable part, the lifting motor drives the driving gear and the lifting gear to rotate, and the lifting gear drives the movable part to ascend or descend along the fixed part; the auxiliary oil cylinder is used for carrying out on-load jacking, then the movable part moves to a position needing jacking in an idle-load mode, the rotating friction generated by the contact of the structure to be jacked when the movable part rotates and rises is avoided, and the whole device is light in weight and applicable to large-load working conditions.

Description

Jacking device assisted by oil cylinder

Technical Field

The utility model relates to the technical field of engineering equipment, in particular to an oil cylinder assisted jacking device.

Background

At present, jacking equipment mainly comprises a hydraulic oil cylinder, a lead screw jacking device and the like.

In some important working conditions, the hydraulic oil cylinder has certain potential safety hazards due to the problem of oil leakage of the sealing ring; in this case, the stress system is generally switched by using a hoop to ensure safety, but the hoop needs to be moved manually, which is labor-intensive.

The screw rod jacking is safer and more reliable compared with a hydraulic oil cylinder. The screw rod is not suitable for the working condition of large-load jacking, the jacking speed is slow, the power required by jacking is large, and the cost is high; if adopt the structure of lead screw overcoat jacking, the lead screw topside will rub with by jacking structure, can produce the torsional action to jacking structure at the jacking in-process, has the potential safety hazard, and consequently the lead screw jacking is used and is less at the heavy load operating mode.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model provides the safe and reliable oil cylinder auxiliary jacking device which combines an oil cylinder and a lead screw.

The utility model provides an oil cylinder assisted jacking device, which comprises:

the auxiliary oil cylinder comprises a cylinder barrel and a piston rod;

the bearing assembly is positioned on one side of the auxiliary oil cylinder and comprises a fixed part and a movable part capable of moving up and down along the fixed part;

the transmission assembly comprises a lifting motor, a driving gear and a lifting gear meshed with the driving gear;

the lifting motor is fixed on the cylinder barrel of the auxiliary oil cylinder and can move up and down along the cylinder barrel, the driving gear is arranged on an output shaft of the lifting motor, the lifting gear is fixed on the movable portion, the lifting motor drives the driving gear to rotate, the driving gear drives the lifting gear to rotate, and the lifting gear drives the movable portion to ascend or descend along the fixed portion.

Use the auxiliary cylinder to carry out the on-load jacking among this technical scheme, then rotate through elevator motor drive driving gear, lifting gear for the moving part no-load operation is to needing the jacking position, has avoided treating the jacking structure contact when the moving part is rotatory to rise and has produced the spin friction, has improved jacking device security, and is applicable in the big load operating mode.

In some embodiments of this application, the fixed part is hollow cylindrical structure, the mobilizable cover of movable part is established on the fixed part, the fixed cover of elevating gear is put on the movable part, the rotatory drive of elevating gear the movable part is rotatory, can follow when the movable part is rotatory the fixed part rises or descends.

In some embodiments of the present application, a first threaded portion is disposed on an outer wall of the fixed portion, and a second threaded portion matched with the first threaded portion is disposed on an inner wall of the movable portion, so that the movable portion can move up or down along the fixed portion when rotating, and a large load is borne.

In some embodiments of the present application, the top of the driving gear is provided with an upper limiting plate, the bottom of the driving gear is symmetrically provided with a lower limiting plate, and a plane where the upper limiting plate and the lower limiting plate are located is parallel to a plane where the driving gear is located.

In some embodiments of this application, go up the limiting plate with the radius of limiting plate is greater than down the addendum circle radius of driving gear, part elevating gear is located go up the limiting plate with in the space between the limiting plate down, the movable part reciprocates along the fixed part, and elevating gear also reciprocates thereupon, goes up the limiting plate or receives elevating gear's vertical direction's effort down for elevator motor reciprocates.

In some embodiments of this application, the top of movable part is outwards extended there is first reinforcing ring, the bottom of movable part is outwards extended there is the second reinforcing ring, and first reinforcing ring and second reinforcing ring can prevent that the movable part from yielding when the bearing, have still increased the movable part simultaneously and have treated the area of contact of jacking structure, have further improved the stability and the security of movable part.

In some embodiments of this application, the below of first reinforcing ring evenly is provided with a plurality of vertical stiffening ribs along the circumferencial direction, the topside that the stiffening rib level set up with the bottom surface of first reinforcing ring is fixed, the vertical side of stiffening rib with the outer wall of portion of going up and down is fixed, and the bearing capacity of reinforcing ring has further been strengthened to the stiffening rib, has indirectly improved the ability that resists the yield deformation of movable part.

In some embodiments of this application, elevator motor fixes on the mounting panel, the mounting panel is fixed on the outer wall of cylinder, the outside of cylinder is provided with the slide rail along length direction, the mounting panel can be followed the slide rail reciprocates, and when elevator motor started, it is rotatory to drive the driving gear to drive the lifting gear rotation, and lifting gear drives the movable part synchronous revolution, makes the movable part rise or descend along the fixed part, for the continuity of guaranteeing the motion, elevator motor also rises or descends along with the driving gear is synchronous, and elevator motor reciprocates along the slide rail, prevents that elevator motor from rocking at the operation in-process, guarantees driven stability, continuity and security.

In some embodiments of this application, the top of first reinforcing ring is provided with anti-skidding circle, the material of anti-skidding circle is the hard rubber of belted steel silk, and during the movable part bearing, the anti-skidding circle can increase and the jacking structure between frictional force, improve the security of jacking structure.

Based on the technical scheme, the oil cylinder assisted jacking device in the embodiment of the utility model avoids the contact of the movable part with the structure to be jacked to generate rotary friction when the movable part rotates and rises, improves the safety of the jacking device, and is suitable for large-load working conditions;

the fixed part and the movable part form a screw nut pair, and the screw nut pair is combined with the jacking of the oil cylinder, so that the hydraulic jacking device is suitable for jacking of large load and has a simple structure;

the auxiliary oil cylinder is used for jacking in a loading mode, the movable part rises to the jacking height of the auxiliary oil cylinder in an idle-load mode, the movable part runs in an idle-load mode, so that power required by the lifting motor is small, the motor drives the movable part to lift, the movable part can lift along the sliding rail by driving the motor to lift, the whole weight of the device is reduced, and cost is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a front view of one embodiment of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a schematic perspective view of one embodiment of the present invention as it is lifted into position;

FIG. 5 is a front view of one embodiment of the present invention as it is being jacked into place;

FIG. 6 is a cross-sectional view B-B of FIG. 5;

figure 7 is a longitudinal cross-sectional view of one embodiment of the present invention as it is lifted into position.

In the figure:

10. an auxiliary oil cylinder; 11. a cylinder barrel; 12. a piston rod; 13. a slide rail; 20. a load bearing assembly; 21. a fixed part; 211. a first threaded portion; 22. a movable portion; 221. a second threaded portion; 222. a first reinforcing ring; 223. a second reinforcing ring; 224. reinforcing ribs; 225. an anti-slip ring; 23. a lifting gear; 30. a lifting motor; 31. a driving gear; 32. an upper limiting plate; 33. a lower limiting plate; 34. and (7) mounting the plate.

Detailed Description

The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely a few embodiments of the utility model, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting.

The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 6, the cylinder-assisted jacking apparatus of the present embodiment includes:

the auxiliary oil cylinder 10 comprises a cylinder barrel 11 and a piston rod 12;

the bearing assembly 20 is positioned on one side of the auxiliary oil cylinder 10, is arranged in parallel with the auxiliary oil cylinder 10, and comprises a fixed part 21 and a movable part 22 capable of moving up and down along the fixed part 21;

the transmission assembly comprises a lifting motor 30, a driving gear 31 and a lifting gear 23 meshed with the driving gear 31;

the lifting motor 30 is fixed on the cylinder 11 of the auxiliary oil cylinder 10 and can move up and down along the cylinder 11, the driving gear 31 is arranged on an output shaft of the lifting motor 30, the lifting gear 23 is fixed on the movable portion 22, the lifting motor 30 drives the driving gear 31 to rotate, the driving gear 31 drives the lifting gear 23 to rotate, and the lifting gear 23 drives the movable portion 22 to ascend or descend along the fixed portion 21.

In this embodiment, the fixed portion 21 is a hollow cylindrical structure, the movable portion 22 is movably sleeved on the fixed portion 22, the lifting gear 23 is fixedly sleeved outside the movable portion 22, the lifting gear 23 rotates to drive the movable portion 22 to rotate, and the movable portion 22 can ascend or descend along the fixed portion 21 when rotating.

As shown in fig. 3, the fixed portion 21 and the movable portion 22 are connected by a screw, a first screw portion 211 is provided on an outer wall of the fixed portion 21, a second screw portion 221 matched with the first screw portion 211 is provided on an inner wall of the movable portion 22, and the movable portion 22 can move up or down along the fixed portion 21 when rotating, so as to bear a large load.

The movable portion 22 moves up and down along the fixed portion 21, and the elevating motor 30 is required to drive the elevating gear 23 through the driving gear 31. An upper limiting plate 32 is arranged at the top of the driving gear 31, and lower limiting plates 33 are symmetrically arranged at the bottom of the driving gear 31, as shown in fig. 1; the plane of the upper limiting plate 32 and the plane of the lower limiting plate 33 are parallel to the plane of the driving gear 31, and the radius of the upper limiting plate 32 and the radius of the lower limiting plate 33 are larger than the radius of the addendum circle of the driving gear 31, so that the meshing position of the driving gear 31 and the lifting gear 23 is positioned in the space defined by the upper limiting plate 32 and the lower limiting plate 33, namely the edge part of the lifting gear 23 is positioned in the space between the upper limiting plate 32 and the lower limiting plate 33, when the movable part 22 moves up and down along the fixed part 21, the lifting gear 23 is fixed on the movable part 22 and is integrally arranged with the movable part, so that the lifting gear 23 can move up and down synchronously with the movable part, the lifting motor 30 is a forward and reverse rotation motor, when the lifting gear 23 moves up, the upper limiting plate 32 is pulled upwards by the lifting gear 23, and the driving gear 31 and the lifting motor 30 rise; when the elevating gear 23 descends, the lower limit plate 33 is pressed downward by the elevating gear 23, and the driving gear 31 and the elevating motor 30 descend accordingly.

Use the auxiliary cylinder 10 among this technical scheme to carry out the on-load jacking, then drive driving gear 31, lifting gear 23 through elevator motor 30 and rotate for movable part 22 no-load operation is to needing the jacking position, has avoided treating the jacking structure contact when movable part 22 is rotatory to be produced the spin friction, has improved jacking device security, and is applicable in the heavy load operating mode.

With reference to fig. 1, the lifting motor 30 is fixed on the mounting plate 34, the mounting plate 34 is fixedly sleeved on the outer wall of the cylinder 11, the sliding rail 13 is arranged outside the cylinder 11 along the length direction, the mounting plate 34 can move up and down along the sliding rail 13, when the lifting motor 30 is started, the driving gear 31 is driven to rotate, the lifting gear 23 drives the movable portion 22 to synchronously rotate, so that the movable portion 22 ascends or descends along the fixed portion 21, due to the action of the upper limiting plate 32 and the lower limiting plate 33, the lifting motor 30 also ascends or descends along with the driving gear 31 synchronously, and the lifting motor 30 moves up and down along the sliding rail 13, so that the transmission continuity and safety are ensured.

As shown in fig. 3, a first reinforcing ring 222 extends outwards from the top end of the movable portion 22, a second reinforcing ring 223 extends outwards from the bottom end of the movable portion, the first reinforcing ring 222 and the second reinforcing ring 223 can prevent the movable portion 22 from yielding and deforming during bearing, and meanwhile, the first reinforcing ring 222 also increases the contact area of the movable portion 22 and the structure to be jacked, so that the stability and the safety of the movable portion 22 are further improved.

Continuing to refer to fig. 3, a plurality of vertical reinforcing ribs 224 are uniformly arranged below the first reinforcing ring 222 along the circumferential direction, the reinforcing ribs 224 in this embodiment are in a right-angled trapezoid structure, the horizontally arranged top edge of the reinforcing ribs 224, i.e. the right-angled short edge, is fixed to the bottom surface of the first reinforcing ring 222, the vertical side edge of the reinforcing ribs 224, i.e. the right-angled long edge, is fixed to the outer wall of the lifting portion 22, and the reinforcing ribs 224 further enhance the bearing capacity of the first reinforcing ring 22, so as to enhance the capacity of the movable portion 22 for resisting yield deformation.

As shown in fig. 2, an anti-slip ring 225 is disposed above the first reinforcing ring 222, the anti-slip ring 225 is made of hard rubber with steel wires, and when the movable portion 22 bears a load, the anti-slip ring 225 can increase a friction force between the lifting structure and the lifting structure, thereby improving the safety of the lifting structure.

When the lifting device is used in the embodiment, the bottom end of the lifting device is fixed on the ground, at this time, the movable part 22 is located at the initial position, namely the lower end of the cylinder 11, and the top end of the auxiliary oil cylinder 10 is a structure to be lifted, as shown in fig. 2-3; the auxiliary oil cylinder 10 is filled with oil, the piston rod 12 is lifted, and after the structure to be jacked is jacked in place, the auxiliary oil cylinder 10 stops filling the oil; starting the lifting motor 30 to rotate positively, driving the driving gear 31 to rotate, driving the lifting gear 23 to rotate by the driving gear 31, driving the movable part 22 to rotate by the lifting gear 23, lifting the movable part 22 along the fixed part 21 while rotating, and with the lifting of the movable part 22, the lifting gear 23 exerts an upward pulling force on the upper limiting plate 32, and under the action of the pulling force, the lifting motor 30 moves upward along the slide rail 13; because the movable part 22 rises in no-load mode, the power of the lifting motor 30 is small, the weight is light, the overall weight of the equipment is reduced, and the cost can be reduced; when the movable part 22 rises to be consistent with the height of the piston rod 12 of the auxiliary oil cylinder 10, namely, when the movable part rises to the jacking height, the lifting motor 30 is turned off, then the jacking oil cylinder 10 returns oil, the piston rod 12 descends, the jacking oil cylinder 10 unloads, and at the moment, the movable part 22 bears the load, as shown in fig. 5-6. After jacking is finished, the lifting motor 30 is started to rotate reversely, the driving gear 31 is driven to rotate in the reverse direction, the driving gear 31 drives the lifting gear 23 to rotate, the lifting gear 23 drives the movable portion 22 to rotate, the movable portion 22 descends along the cylinder barrel 11 while rotating, the movable portion 22 descends, the lifting gear 23 has downward pressure on the lower limiting plate 33, and under the action of the pressure, the lifting motor 30 moves downwards along the sliding rail 13 until the movable portion 22 returns to the initial position, and the lifting motor 30 is closed.

According to the oil cylinder assisted jacking device disclosed by the embodiment of the utility model, the fixed part 21 and the movable part 22 form a screw-nut pair which is combined with the auxiliary oil cylinder 10 and suitable for jacking a large load; meanwhile, the movable part 22 is in no-load jacking during jacking, so that the rotation friction of a structure to be jacked due to rotation lifting is avoided, the power required by the lifting motor 30 is small, the weight of the whole equipment is reduced, and the cost is reduced.

Finally, it should be noted that: the embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.

Claims

1. The utility model provides a supplementary jacking device of hydro-cylinder which characterized in that includes:

the auxiliary oil cylinder comprises a cylinder barrel and a piston rod;

2. The cylinder assisted jacking device according to claim 1, wherein the fixed portion is a hollow cylindrical structure, the movable portion is movably sleeved on the fixed portion, the lifting gear is fixedly sleeved on the movable portion, the lifting gear rotates to drive the movable portion to rotate, and the movable portion can ascend or descend along the fixed portion when rotating.

3. The cylinder assisted jacking device according to claim 2, wherein a first threaded portion is provided on an outer wall of the fixed portion, and a second threaded portion that mates with the first threaded portion is provided on an inner wall of the movable portion.

4. The cylinder assisted jacking device of claim 3, wherein the top of the driving gear is provided with an upper limiting plate, the bottom of the driving gear is symmetrically provided with a lower limiting plate, and the plane of the upper limiting plate and the plane of the lower limiting plate are parallel to the plane of the driving gear.

5. The cylinder assisted jacking device of claim 4, wherein said upper retainer plate and said lower retainer plate have a radius greater than the radius of the addendum circle of said drive gear, and a portion of said lift gear is located in the space between said upper retainer plate and said lower retainer plate.

6. The cylinder assisted jacking device of claim 1, wherein a first reinforcement ring extends outwardly from a top end of said movable portion and a second reinforcement ring extends outwardly from a bottom end of said movable portion.

7. The cylinder-assisted jacking device of claim 6, wherein a plurality of vertical reinforcing ribs are uniformly arranged below the first reinforcing ring along the circumferential direction, the horizontally arranged top edge of each reinforcing rib is fixed to the bottom surface of the first reinforcing ring, and the vertical side edge of each reinforcing rib is fixed to the outer wall of the lifting portion.

8. The cylinder assisted jacking device of claim 1, wherein said lift motor is fixed to a mounting plate, said mounting plate is fixed to an outer wall of said cylinder, a slide rail is provided along a length direction outside said cylinder, and said mounting plate is movable up and down along said slide rail.

9. The cylinder assisted jacking device according to claim 7, wherein an anti-slip ring is arranged above the first reinforcing ring, and the anti-slip ring is made of hard rubber with steel wires.