CN217538784U

CN217538784U - Step landing stage walking base convenient to turn to regulation

Info

Publication number: CN217538784U
Application number: CN202220927637.5U
Authority: CN
Inventors: 赵延飞; 闫迪; 刘忠星; 梁延霞; 刘玉祥
Original assignee: Shandong Longtai Energy Saving Technology Co ltd
Current assignee: Shandong Longtai Energy Saving Technology Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-10-04
Anticipated expiration: 2032-04-21

Abstract

The utility model belongs to the technical field of step landing stage equipment technique and specifically relates to a step landing stage walking base convenient to turn to regulation, the mount pad has running gear, running gear is including setting up the running gear at the mount pad both ends respectively, running gear includes the first walking wheel and the second walking wheel that the structure is the same, be equipped with between first walking wheel and the second walking wheel and turn to the subassembly, turn to the subassembly include with first walking wheel and second walking wheel are articulated connecting rod respectively, it has the extensible member of fixing on the mount pad to articulate on the connecting rod, the connecting rod both ends are still overlapped and are equipped with the stop collar of fixing on the mount pad. The utility model discloses can realize 90 degrees turn to, satisfy various walking modes, can realize the removal of traveling all around and other directions, play all-round butt joint to the whole sectional construction operation in tunnel, make the step landing stage can be convenient find easily lapped position, guarantee the safety and stability, improve work efficiency.

Description

Step landing stage walking base convenient to turn to regulation

Technical Field

The utility model belongs to the technical field of step landing stage equipment technique and specifically relates to a step landing stage walking base convenient to turn to regulation.

Background

In the technical field of tunnel construction, a step trestle is a temporary bridge facility built for transporting materials, equipment and personnel. The step trestle usually comprises a main bridge, a front slope bridge, a rear slope bridge, a slope board, a front supporting leg, a rear supporting leg, an elevating mechanism and a hydraulic machine control organization and an improvement organization thereof, the appearance is large and inconvenient to move, particularly, the walking wheels do not have the function of steering or have the function of micro-lateral adjustment, the walking wheels only play a role of walking and backing, if the walking wheels are transversely moved, the walking wheels need to be disassembled and then rotated by 90 degrees for installation, or the walking wheels can only be moved by the micro-lateral adjustment when the transverse movement is wanted, the working efficiency is slow, the whole workload of moving the whole section from the left step to the right step is large, moreover, a rotating bearing increased by crawler is heavy, the manufacturing cost is high, and the construction efficiency is influenced due to the fact that the rotating bearing is troublesome and difficult to operate when the walking or the transverse movement is carried out.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a step landing stage walking base convenient to turn to regulation has solved the unable problem that causes the inconvenience of removing that turns to regulation that realizes of walking base in the step landing stage.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a step landing stage walking base convenient to turn to regulation, includes the mount pad, the mount pad has running gear, running gear is including setting up the running gear at the mount pad both ends respectively, running gear includes the same first walking wheel of structure and second walking wheel, be equipped with between first walking wheel and the second walking wheel and turn to the subassembly, turn to the subassembly include with first walking wheel and second walking wheel are articulated respectively the articulated connecting rod, it has the extensible member of fixing on the mount pad to articulate on the connecting rod, the connecting rod both ends are still overlapped and are equipped with the stop collar of fixing on the mount pad.

As optimization, first walking wheel and second walking wheel all include the walking wheel body, be equipped with the protection casing on the walking wheel body, protection casing upper portion is equipped with rotates the piece, it includes the pivot to rotate the piece, the pivot top is equipped with the roof, the pivot lower part is equipped with the deflector.

Preferably, a connecting hinge lug is arranged between the steering plate and the connecting rod.

Preferably, the mounting seat is H-shaped as a whole and comprises a first longitudinal beam and a second longitudinal beam, and a cross beam is arranged between the first longitudinal beam and the second longitudinal beam.

As optimization, the end parts of the first longitudinal beam and the second longitudinal beam are respectively provided with a shaft sleeve matched with the rotating shaft, and the top plate and the steering plate are respectively arranged outside the shaft sleeves.

Preferably, the telescopic piece is a hydraulic oil cylinder, and an ear seat is arranged between the hydraulic oil cylinder and the connecting rod.

Preferably, the limiting sleeve is arranged between the two connecting hinge lugs, and the distance between the limiting sleeve and the adjacent connecting hinge lug is 35cm-50cm.

The utility model has the advantages that: the utility model provides a pair of step landing stage walking base convenient to turn to regulation turns to the subassembly through setting up, realizes the regulation to first walking wheel and second walking wheel, can realize turning to of 90 degrees, has satisfied various walking modes, can realize the removal of traveling around and other directions, plays all-round butt joint to the whole sectional construction operation in tunnel, makes the step landing stage can be convenient find easily lapped position, guarantees safety and stability, improves work efficiency.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural diagram of the traveling mechanism of the present invention.

Wherein: 1. the device comprises a mounting base, 2, a travelling mechanism, 3, a first travelling wheel, 4, a second travelling wheel, 5, a steering assembly, 6, a connecting rod, 7, a limiting sleeve, 8, a travelling wheel body, 9, a protective cover, 10, a rotating shaft, 11, a top plate, 12, a steering plate, 13, a connecting hinge lug, 14, a first longitudinal beam, 15, a second longitudinal beam, 16, a cross beam, 17, a shaft sleeve, 18, a hydraulic oil cylinder, 19 and an ear base.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

For convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate correspondence with the directions of up, down, left and right of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the equipment or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the invention.

As shown in fig. 1-2, the step trestle walking base convenient for steering adjustment comprises a mounting seat 1, wherein the mounting seat 1 is integrally H-shaped and comprises a first longitudinal beam 14 and a second longitudinal beam 15, and a cross beam 16 is arranged between the first longitudinal beam 14 and the second longitudinal beam 15; a traveling device is arranged below the mounting seat 1 and comprises traveling mechanisms 2 which are respectively arranged at two ends of the mounting seat 1, the traveling mechanisms 2 comprise a first traveling wheel 3 and a second traveling wheel 4 which are identical in structure, a steering assembly 5 is arranged between the first traveling wheel 3 and the second traveling wheel 4, the steering assembly 5 comprises a connecting rod 6 which is hinged with the first traveling wheel 3 and the second traveling wheel 4 respectively, a telescopic piece fixed on the mounting seat 1 is hinged on the connecting rod 6, the telescopic piece is a hydraulic oil cylinder 18, the hydraulic oil cylinder 18 is fixed on the mounting seat 1, the output end of the hydraulic oil cylinder is hinged with the connecting rod 6, an ear seat 19 is arranged between the hydraulic oil cylinder 18 and the connecting rod 6, and the hydraulic oil cylinder 18 is connected with the connecting rod 6 by using bolts and the like to connect with the ear seat 19 and realize hinging; the two ends of the connecting rod 6 are also sleeved with limiting sleeves 7 fixed on the mounting base 1, the two limiting sleeves 7 are arranged between the two connecting hinge lugs 13, and the distance between each limiting sleeve 7 and the adjacent connecting hinge lug 13 is set to be more than the stroke distance of the hydraulic oil cylinder 18 and is 35cm,40cm or 50cm. When the hydraulic oil cylinder 18 works, the output end of the hydraulic oil cylinder 18 drives the connecting rod 6 to realize reciprocating movement, the connecting rod 6 can only do linear reciprocating movement under the limit of the limiting sleeve 7, and the first travelling wheel 3 and the second travelling wheel 4 at the two ends of the connecting rod 6 are driven to realize steering.

First walking wheel 3 and second walking wheel 4 all include walking wheel body 8, be equipped with protection casing 9 on

walking wheel body

8, 9 upper portions of protection casing are equipped with the rotation piece, it includes pivot 10 to rotate the piece, pivot 10 top is equipped with roof 11, pivot 10 lower part is equipped with steering plate 12, be equipped with between steering plate 12 and the connecting rod 6 and connect hinge ear 13, the tip of first longeron 14 and second longeron 15 all be equipped with pivot 10 complex axle sleeve 17, the diameter of roof 11 and steering plate 12 all is greater than axle sleeve 17's internal diameter, roof 11 and steering plate 12 all locate axle sleeve 17's outside. Through the arrangement, the first travelling wheel 3 and the second travelling wheel 4 are respectively and rotatably connected to the end parts of the first longitudinal beam 14 and the second longitudinal beam 15, so that the mounting seat 1 can be steered and moved. The rotating shaft 10 penetrates through the shaft sleeve 17, the top plate 11 on the rotating shaft 10 is arranged at the top of the shaft sleeve 17, the steering plate 12 is arranged at the lower part of the shaft sleeve 17, when the connecting rod 6 drives the steering plate 12 to steer, the rotating shaft 10 rotates in the shaft sleeve 17, and the walking wheel body 8 steers under the action of the rotating shaft 10.

The working principle is as follows: the utility model provides a pair of step landing stage walking base convenient to turn to regulation when needing to turn to, starts hydraulic cylinder 18, and hydraulic cylinder 18's flexible action acts on connecting rod 6, and articulated connection can realize turning to in step at the first walking wheel 3 at connecting rod 6 both ends and second walking wheel 4 respectively.

The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a step landing stage walking base convenient to turn to regulation, includes the mount pad, its characterized in that: the mount pad has running gear, running gear is including setting up the running gear at the mount pad both ends respectively, running gear includes the same first walking wheel of structure and second walking wheel, be equipped with between first walking wheel and the second walking wheel and turn to the subassembly, turn to the subassembly include with first walking wheel and second walking wheel are articulated connecting rod respectively, it has the extensible member of fixing on the mount pad to articulate on the connecting rod, the connecting rod both ends are still overlapped and are equipped with the stop collar of fixing on the mount pad.

2. The step trestle walking base convenient for steering adjustment according to claim 1, characterized in that: first walking wheel and second walking wheel all include walking wheel body, be equipped with the protection casing on the walking wheel body, protection casing upper portion is equipped with rotates the piece, it includes the pivot to rotate the piece, the pivot top is equipped with the roof, the pivot lower part is equipped with the deflector.

3. The step trestle walking base convenient for steering adjustment of claim 2, further comprising: and a connecting hinge lug is arranged between the steering plate and the connecting rod.

4. The step trestle walking base convenient for steering adjustment according to claim 3, wherein: the mounting seat is integrally H-shaped and comprises a first longitudinal beam and a second longitudinal beam, and a cross beam is arranged between the first longitudinal beam and the second longitudinal beam.

5. The step trestle walking base convenient for steering adjustment of claim 4, wherein: the end parts of the first longitudinal beam and the second longitudinal beam are respectively provided with a shaft sleeve matched with the rotating shaft, and the top plate and the steering plate are respectively arranged outside the shaft sleeves.

6. The step trestle walking base convenient for steering adjustment of claim 1, further comprising: the telescopic piece is a hydraulic oil cylinder, and an ear seat is arranged between the hydraulic oil cylinder and the connecting rod.

7. The step trestle walking base convenient for steering adjustment of claim 5, further comprising: the two limiting sleeves are arranged between the two connecting hinge lugs, and the distance between each limiting sleeve and the adjacent connecting hinge lug is 35cm-50cm.