CN218642375U

CN218642375U - Secondary lifting device for mechanical equipment

Info

Publication number: CN218642375U
Application number: CN202222760284.7U
Authority: CN
Inventors: 冯占中; 高方欣; 刘福; 朱丽娜
Original assignee: XILINGOL VOCATIONAL COLLEGE; Guoneng Beidian Shengli Energy Co ltd
Current assignee: XILINGOL VOCATIONAL COLLEGE; Guoneng Beidian Shengli Energy Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-03-17
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses a mechanical equipment second grade lifting devices, including lower plate, slide rail, upper plate, connecting rod, support column and hydraulic pressure push-and-pull device, the upper surface of lower plate and the bottom of upper plate all are provided with the otic placode, and upper surface of lower plate and bottom one side of upper plate all are provided with the slide rail, and one side of otic placode is provided with the connecting plate, is provided with the round pin post between connecting plate and the otic placode. The utility model discloses a second grade lifting device and hydraulic pressure push-and-pull device have solved the limited problem in axle dismouting process operation space, under the very close condition of axle and electric shovel body distance, realized the counterpoint of axle and lifted and descend, solved simultaneously and torn a trouble hard problem, can realize the remote control operation dismouting through hydraulic pressure push-and-pull device, the personnel of having solved traditional dismouting greatly are many, the problem that wastes time and energy, production efficiency is improved, data real-time supervision can also be realized, remote control operation, the convenience of dismouting operation has been realized.

Description

Secondary lifting device for mechanical equipment

Technical Field

The utility model relates to the technical field of machinery, in particular to mechanical equipment second grade lifting devices.

Background

For some working devices with limited operating space, the mechanical structure of the working device needs to be skillfully designed, such as a working device with limited operating height and width, but the working device needs to meet the requirements of the lifting height, the lifting force and the stability of the device after being loaded.

For the installation of a rotary vertical shaft of an electric shovel, two methods are adopted at present: firstly, a shed top plate, a rotary motor, a rotary speed reducer and a hoisting rotary vertical shaft are arranged on the upper portion of the electric shovel after the electric shovel is detached. And secondly, the lower part of the electric shovel is matched with a hydraulic oil cylinder for top mounting by a forklift. The two methods need multiple workers, multiple kinds of work and multiple equipment to be matched, the operation difficulty is high, the maintenance period is long, the time and the labor are wasted, the number of the workers is large, the disassembly difficulty is high, the operation space is limited, and the safety is poor in the traditional manual disassembly and assembly method in the overhauling process. Especially, the total height of the bottom of the electric shovel is limited, the distance between the shaft and the electric shovel body is short, and the operation space is extremely limited.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a mechanical equipment second grade lifting devices.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a mechanical equipment second grade lifting devices, including lower plate, slide rail, upper plate, connecting rod, support column and hydraulic pressure push-and-pull device, the upper surface of lower plate and the bottom of upper plate all are provided with the otic placode, upper surface of lower plate and bottom one side of upper plate all are provided with the slide rail, one side of otic placode is provided with the connecting plate, is provided with the round pin post between connecting plate and the otic placode, the one end of round pin post is provided with hexagonal fastener, be provided with support column and hydro-cylinder between upper plate and the lower plate, the one end of hydro-cylinder is provided with antifriction bearing;

the hydraulic push-pull device comprises a bidirectional hydraulic oil cylinder, a push-pull plate, an oil cylinder supporting seat and a universal bearing, wherein the bidirectional hydraulic oil cylinder is positioned at the bottom of the upper base plate, and the universal bearing is positioned on the upper surface of the upper base plate.

As an optimal technical scheme of the utility model, set up ten hydro-cylinders on the hydraulic pressure push-and-pull device, wherein all hydro-cylinders all need proportional control, only adopt four proportional valves and eight diverter valves.

As a preferred technical scheme of the utility model, the crisscross setting of connecting rod is X-shaped, is provided with fastening screw between the connecting rod, through fastening screw swing joint between the connecting rod, and round pin post and otic placode swing joint are passed through to the one end of connecting rod, and the other end of connecting rod is provided with the gyro wheel, and the connecting rod passes through gyro wheel and slide rail sliding connection.

As the utility model discloses a preferred technical scheme, be provided with the screw between antifriction bearing and the otic placode, antifriction bearing passes through screw and otic placode swing joint, is connected through antifriction bearing and otic placode between hydro-cylinder and upper plate and the lower plate

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a second grade lifting devices and hydraulic pressure push-and-pull device have solved the limited problem in axle dismouting process operation space, under the very close condition of axle and shovel body distance, realized counterpoint of axle and lifted and descend, solved simultaneously and torn the axle and taken trouble hard problem, can realize the remote control operation dismouting through hydraulic pressure push-and-pull device, the personnel of having solved traditional dismouting greatly are many, the problem that wastes time and energy, the production efficiency is improved, can also realize data real-time supervision, remote control operation, the convenience of dismouting operation has been realized.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a partial structural schematic diagram of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the upper plate partially assembled with the hydraulic push-pull device;

in the figure: 1. a lower base plate; 2. an ear plate; 3. a slide rail; 4. a universal bearing; 5. a pin; 6. a rolling bearing; 7. an upper base plate; 8. a bidirectional hydraulic cylinder; 9. a connecting plate; 10. a hexagonal fastener; 11. a support pillar; 12. and an oil cylinder.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Wherein like reference numerals refer to like parts throughout.

Example 1

As shown in fig. 1-3, the utility model provides a mechanical equipment second grade lifting device, including lower plate 1, slide rail 3, upper plate 7, connecting rod 9, support column 11 and hydraulic pressure push-and-pull device, the upper surface of lower plate 1 and the bottom of upper plate 7 all are provided with otic placode 2, the upper surface of lower plate 1 and bottom one side of upper plate 7 all are provided with slide rail 3, one side of otic placode 2 is provided with connecting plate 9, be provided with between connecting plate 9 and otic placode 2 and sell the post 5, the one end of round pin post 5 is provided with hexagonal fastener 10, be provided with support column 11 and hydro-cylinder 12 between upper plate 7 and lower plate 1, one end of hydro-cylinder 12 is provided with antifriction bearing 6;

the upper base plate 7 is provided with a mounting round hole, the hydraulic push-pull device penetrates through the mounting round hole and is connected with the upper base plate 7, the hydraulic push-pull device comprises a bidirectional hydraulic oil cylinder 8, a push-pull plate, an oil cylinder supporting seat and a universal bearing 4, the bidirectional hydraulic oil cylinder 8 is located at the bottom of the upper base plate 7, and the universal bearing 4 is located on the upper surface of the upper base plate 7.

Furthermore, ten oil cylinders are arranged on the hydraulic push-pull device, wherein all the oil cylinders need to be controlled in proportion, only four proportion valves and eight switching valves are adopted, all the oil cylinders need to be controlled in proportion, and the ten oil cylinders are controlled in order to reduce cost and maintenance difficulty.

Connecting rod 9 sets up in a staggered manner, is the X-shaped, is provided with fastening screw between the connecting rod 9, through fastening screw swing joint between the connecting rod 9, the one end of connecting rod 9 is through

round pin post

5 and 2 swing joint of otic placode, and the other end of connecting rod 9 is provided with the gyro wheel, and connecting rod 9 passes through gyro wheel and 3 sliding connection of slide rail, the removal of the connecting rod 9 of being convenient for.

A screw is arranged between the rolling bearing 6 and the lug plate 2, the rolling bearing 6 is movably connected with the lug plate 2 through the screw, and the oil cylinder 12 is connected with the upper base plate 7 and the lower base plate 1 through the rolling bearing 6 and the lug plate 2, so that the oil cylinder 12 can control the lifting of the upper base plate 7.

Specifically, the device is arranged on a primary platform of mechanical equipment, so that the disassembly and assembly operation of 3T heavy objects in a narrow space can be realized, and the rotary vertical shaft can be lifted to a height of more than 5.0 meters under the condition of entering a space of 3.4 meters, wherein 100/63-700 oil cylinders are selected for the primary platform 1, and 100/63-300 oil cylinders are selected for the oil cylinders 12.

During the installation operation, the hydraulic push-pull device is hoisted on the upper bottom plate 7 by using the existing crane, and is positioned and installed by using four set screws, the device is hoisted on a transport vehicle by using the crane and is fixed, when the equipment is started, the upper bottom plate 7 is lifted to the maximum height through the oil cylinder 12, two support columns 11 are arranged for supporting, after the vertical shaft is hoisted to the hydraulic push-pull device by a crane to be centered, the vertical shaft is fixed by four screws, for the problem of neutralization and tooth alignment, the upper bottom plate 7 is lowered to the lowest position according to the actual situation on site, the on-site maintenance personnel operates the equipment to be under the rotary vertical shaft by matching a remote visual picture with a remote controller, the device is lowered to be separated from the push-pull device by using the remote controller, the bidirectional hydraulic oil cylinder 8 is contracted by using the remote controller, the push-pull plate and the rotary vertical shaft are raised, when the upper end surface of the rotary vertical shaft is close to the gear box of the speed reducer, a worker assists to rotate the input shaft of the gear box, so that the small spline at the top end of the vertical shaft is meshed with the corresponding gear of the speed reducer, the vertical shaft rotates while being lifted, after the vertical shaft small teeth are meshed with the reduction gearbox gear, the bidirectional hydraulic oil cylinder 8 is continuously contracted to an installation position, a rotary vertical shaft bearing seat is fixed, four screws at the lower end of the rotary vertical shaft are removed, a remote controller is used for lifting the device to be attached to a push-pull device, after the attachment, the device is continuously lifted to a position where an ear pin shaft can be detached, an ear pin shaft is removed, the device is lowered to a proper position by using the remote controller, a push-pull plate is firstly positioned and locked with the four positioning screws on the upper plane of the device, then the lock of the bidirectional hydraulic oil cylinder 8 is installed to the device, the device is retracted by using the remote controller, the four original screws at the bottom of the rotary vertical shaft are installed, and locking according to specified torsion, and installing auxiliary devices such as other gear covers, wherein the lifting height of the device is 1400mm.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A secondary lifting device for mechanical equipment comprises a lower bottom plate (1), a sliding rail (3), an upper bottom plate (7), a connecting rod (9), a supporting column (11) and a hydraulic push-pull device, and is characterized in that lug plates (2) are arranged on the upper surface of the lower bottom plate (1) and the bottom of the upper bottom plate (7), the sliding rail (3) is arranged on the upper surface of the lower bottom plate (1) and one side of the bottom of the upper bottom plate (7), the connecting rod (9) is arranged on one side of each lug plate (2), a pin column (5) is arranged between each connecting rod (9) and each lug plate (2), a hexagonal fastener (10) is arranged at one end of each pin column (5), the supporting column (11) and an oil cylinder (12) are arranged between the upper bottom plate (7) and the lower bottom plate (1), and a rolling bearing (6) is arranged at one end of each oil cylinder (12);

the hydraulic push-pull device comprises a bidirectional hydraulic oil cylinder (8), a push-pull plate, an oil cylinder supporting seat and a universal bearing (4), wherein the bidirectional hydraulic oil cylinder (8) is located at the bottom of the upper base plate (7), and the universal bearing (4) is located on the upper surface of the upper base plate (7).

2. The secondary lifting device of mechanical equipment as claimed in claim 1, wherein said hydraulic push-pull device is provided with ten cylinders, wherein all cylinders require proportional control, and only four proportional valves and eight switching valves are used.

3. The secondary lifting device of mechanical equipment according to claim 1, wherein the connecting rods (9) are staggered and have an X shape, fastening screws are arranged between the connecting rods (9), the connecting rods (9) are movably connected through the fastening screws, one ends of the connecting rods (9) are movably connected with the ear plates (2) through the pins (5), rollers are arranged at the other ends of the connecting rods (9), and the connecting rods (9) are slidably connected with the sliding rails (3) through the rollers.

4. The secondary lifting device of mechanical equipment according to claim 1, wherein a screw is arranged between the rolling bearing (6) and the lug plate (2), the rolling bearing (6) is movably connected with the lug plate (2) through the screw, and the oil cylinder (12) is connected with the upper base plate (7) and the lower base plate (1) through the rolling bearing (6) and the lug plate (2).