CN219344713U

CN219344713U - Multifunctional arch frame lifting structure

Info

Publication number: CN219344713U
Application number: CN202222864690.8U
Authority: CN
Inventors: 付仁辉; 武金晓; 王锴; 史业波; 金永臣; 魏金; 王浩; 徐亚鹏
Original assignee: Railway Engineering Equipment Group Tunnel Equipment Manufacturing Co Ltd
Current assignee: Railway Engineering Equipment Group Tunnel Equipment Manufacturing Co Ltd
Priority date: 2022-10-29
Filing date: 2022-10-29
Publication date: 2023-07-14
Anticipated expiration: 2032-10-29

Abstract

The utility model relates to the field of tunnel construction, in particular to a multifunctional arch lifting structure, which comprises a rotary mechanism and a lifting device, wherein the rotary mechanism comprises a rotary motor, a rotary drive and a first supporting seat, two second supporting seats are hinged above the first supporting seat through a pin shaft, a mounting plate is jointly fixed above the two second supporting seats, and a motor is fixedly arranged on the mounting plate; the lifting device comprises a cross rod and a fixing assembly, a through hole is formed in the middle of the cross rod in front of the motor, and an output shaft of the motor penetrates through the through hole and is fixedly connected with a breaking hammer; the fixing component comprises a first telescopic member and a second telescopic member, the extending directions of the first telescopic member and the second telescopic member are opposite, an L-shaped fixing seat is fixedly arranged on the first telescopic member, an L-shaped fixing seat is fixedly arranged on the extending portion of the first telescopic member, and an L-shaped fixing seat is fixedly arranged on the extending portion of the second telescopic member. The utility model can meet the supporting requirements of single arch centering and double arch centering and can also crush the single arch centering and the double arch centering aiming at the undermining working condition.

Description

Multifunctional arch frame lifting structure

Technical Field

The utility model relates to the field of tunnel construction, in particular to a multifunctional arch lifting structure.

Background

The tunnel support is a key step in tunnel construction, along with the wide application of full-face and step method construction, single arch frames and double arch frames are applied to primary support construction of tunnels, and according to actual working conditions during construction, the situation that the single arch frames and the double arch frames are used alternately exists.

The existing arch supporting device generally adopts a manipulator type grabbing structure, the supporting structure can only support a single arch at a time, and when the undermining condition occurs on a construction face, rock stratum crushing is needed, and certain potential safety hazards exist, so that the traditional single arch installing structure cannot meet the supporting construction requirement.

Disclosure of Invention

The utility model provides a multifunctional arch lifting structure for solving the problems and the defects, which can meet the supporting requirements of single arch and double arch and can also crush the undermining working condition.

In order to achieve the above object, the technical scheme of the present utility model is as follows:

the multifunctional arch centering lifting structure comprises a rotary mechanism and a lifting device positioned above the rotary mechanism, wherein the rotary mechanism comprises a rotary motor, a rotary drive driven by the rotary motor and a first supporting seat fixedly arranged above the rotary drive, two second supporting seats are hinged above the first supporting seat through a pin shaft, mounting plates are jointly fixed above the two second supporting seats, and a motor is fixedly arranged on the mounting plates;

the lifting device comprises a cross rod arranged at the front side and the rear side of the motor and fixing components symmetrically arranged at the left end and the right end of the two cross rods, a through hole is formed in the middle of the cross rod in front of the motor, and a breaking hammer is fixedly connected to an output shaft of the motor after passing through the through hole;

the fixing assembly comprises a first telescopic member and a second telescopic member, the first telescopic member and the second telescopic member are opposite in extending direction, an L-shaped fixing seat is fixedly arranged on the first telescopic member, an L-shaped fixing seat is fixedly arranged on an extending portion of the first telescopic member, and an L-shaped fixing seat is fixedly arranged on an extending portion of the second telescopic member.

Further, two reinforcing ribs are arranged between the two cross bars, a telescopic oil cylinder is hinged below one reinforcing rib, the other end of the telescopic oil cylinder is hinged above the rotary drive, and the elevation angle of the cross bars can be adjusted by controlling the telescopic oil cylinder.

Furthermore, cushion blocks are arranged on two sides above the second vertical part of the L-shaped fixing seat, on the inner side above the first vertical part of the L-shaped fixing seat and on the inner side above the third vertical part of the L-shaped fixing seat, so that the arch centering is convenient to fix.

Further, the cushion block is of a square block structure made of polyurethane materials, and the arch frame is prevented from sliding.

Furthermore, a scissor type lifting platform is fixedly arranged below the rotary drive, so that full section or step method construction can be met.

Further, a baffle is arranged above the motor to block stones falling during crushing.

Further, reinforcing plates are arranged on the upper side and the lower side of the first telescopic piece and the lower side of the second telescopic piece, and the first telescopic piece and the second telescopic piece are further fixed.

Through the technical scheme, the utility model has the beneficial effects that:

the utility model can meet the supporting requirement of the single arch frame and the supporting requirement of the double arch frame through the cross bars and the fixing components positioned at the two sides of the cross bars, and has strong applicability.

According to the utility model, the breaking hammer is arranged at the side of the cross rod, so that the breaking treatment can be performed according to the undermining condition of the construction face, and compared with manual breaking, the potential safety hazard is reduced.

Drawings

FIG. 1 is a schematic view of the overall assembly of a multi-functional arch lifting structure of the present utility model;

FIG. 2 is a left side view of a multi-functional arch lifting structure of the present utility model;

FIG. 3 is a schematic view of an assembly (not shown) of a multi-functional arch lifting structure according to the present utility model;

FIG. 4 is a schematic view of a fixture assembly of a multi-functional arch lifting structure according to the present utility model;

FIG. 5 is a schematic view of a practical support double arch of a multi-functional arch lifting structure of the present utility model;

fig. 6 is a schematic view of an actual supporting single arch of a multifunctional arch lifting structure according to the present utility model.

The reference numerals in the drawings are:

1 is a rotary motor, 2 is a rotary drive, 3 is a supporting seat I, 4 is a supporting seat II, 5 is a motor, 6 is a cross rod, 7 is a breaking hammer, 8 is a telescopic piece I, 9 is a telescopic piece II, 10 is an L-shaped fixing seat I, 11 is an L-shaped fixing seat II, 12 is an L-shaped fixing seat III, 13 is a reinforcing rib, 14 is a telescopic cylinder, 15 is a cushion block, 16 is a lifting platform, 17 is a baffle, 18 is a reinforcing plate, 19 is a double-truss arch frame, and 20 is a single-truss arch frame.

Detailed Description

The utility model is further described with reference to the drawings and detailed description which follow:

in the description of the present utility model, it should be understood that the terms "left", "right", "upper", "lower", "lateral", "vertical", etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in fig. 1, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

As shown in fig. 1 to 6, a multifunctional arch lifting structure comprises a rotary mechanism and a lifting device positioned above the rotary mechanism, wherein the rotary mechanism comprises a rotary motor 1, a rotary drive 2 driven by the rotary motor 1 and a first support seat 3 fixedly arranged above the rotary drive 2, two second support seats 4 are hinged above the first support seat 3 through a pin shaft, a mounting plate is jointly fixed above the two second support seats 4, and a motor 5 is fixedly arranged on the mounting plate;

the lifting device comprises a cross rod 6 arranged on the front side and the rear side of a motor 5 and fixing components symmetrically arranged at the left end and the right end of the two cross rods 6, a through hole is formed in the middle of the cross rod 6 in front of the motor 5, and an output shaft of the motor 5 penetrates through the through hole and is fixedly connected with a breaking hammer 7;

the fixing assembly comprises a first telescopic member 8 and a second telescopic member 9 which are opposite in extending direction, an L-shaped fixing seat 10 is fixedly arranged on the first telescopic member 8, an L-shaped fixing seat 11 is fixedly arranged on an extending portion of the first telescopic member 8, and an L-shaped fixing seat three 12 is fixedly arranged on an extending portion of the second telescopic member 9.

In addition, two reinforcing ribs 13 are arranged between the two cross bars 6, a telescopic oil cylinder 14 is hinged below one reinforcing rib 13, the other end of the telescopic oil cylinder 14 is hinged above the rotary drive 2, the elevation angle of the cross bars 6 can be adjusted by controlling the telescopic oil cylinder 14, and when the arch frame is lifted for installation, the installation of the arch frame can be more conveniently completed by adjusting the elevation angle of the cross bars 6.

Specifically, cushion blocks 15 are arranged on two sides above the vertical part of the second L-shaped fixing seat 11, on the inner side above the vertical part of the first L-shaped fixing seat 10 and on the inner side above the third L-shaped fixing seat 12, so that the arch frame can be conveniently fixed.

In this embodiment, the cushion block 15 is a square block structure made of polyurethane material, so as to prevent the arch from sliding.

In this embodiment, a scissor-fork type lifting platform 16 is fixedly arranged below the rotary drive 2, so as to meet the requirement of full-face or step construction.

In this embodiment, the baffle 17 is disposed above the motor 5 to block the stones falling during crushing, so as to prevent the falling stones from damaging the motor 5.

In this embodiment, the upper and lower sides of the first and second

telescopic members

8 and 9 are respectively provided with a reinforcing plate 18, so that the first and second

telescopic members

8 and 9 are further fixed, and the supporting strength of the first and second

telescopic members

8 and 9 is increased.

It should be noted that the rotary motor 1 and the electric motor 5 both have self-locking function, and the rotary drive 2 is disclosed in CN 204213265U-gap adjustable rotary drive device.

In practical application, please refer to fig. 1-6 again, when the underexcavation condition occurs on the construction face, the breaking hammer 7 is rotated to be vertical, then the whole device is lifted to a proper height through the lifting platform 16, then the angle of the breaking hammer 7 is adjusted by adjusting the telescopic cylinder 14, so that the breaking hammer is aligned to the underexcavated rock stratum, the breaking hammer 7 reciprocates to impact and break the rock stratum, and the size of the section is ensured to be convenient for subsequent vertical arch operation.

When the double arch frames 19 are installed, the breaking hammer 7 is rotated from a vertical state to a horizontal state, the distance between the L-shaped fixing seat II 11 and the L-shaped fixing seat III 12 is adjusted through the telescopic piece I8 and the telescopic piece II 9 at the two ends, and the distance between the L-shaped fixing seat II 11 and the L-shaped fixing seat III 12 is adjusted properly according to the distance between the double arch frames 19, so that the double arch frames 19 are stably fixed on the whole lifting device; when the arch frame is lifted to the working surface, the angle for installing the arch frame is adjusted by adjusting the telescopic oil cylinder 14; after the adjustment is completed, the double arch frames 19 are installed, and the construction is sequentially and circularly performed.

When the single arch frame 20 is installed, the breaking hammer 7 is rotated from the vertical state to the horizontal state, the arch frame is placed on the first L-shaped fixing seat 10, the second L-shaped fixing seat 11 on the same side stretches out and draws back through the first telescopic piece 8, the single arch frame 20 is installed and fixed on the whole lifting device, and the single arch frame 20 is installed and sequentially and circularly constructed.

The above-described embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, so that all equivalent changes or modifications of the structure, characteristics and principles described in the claims should be included in the scope of the present utility model.

Claims

1. The multifunctional arch centering lifting structure is characterized by comprising a rotary mechanism and a lifting device positioned above the rotary mechanism, wherein the rotary mechanism comprises a rotary motor (1), a rotary drive (2) driven by the rotary motor (1) and a first supporting seat (3) fixedly arranged above the rotary drive (2), two second supporting seats (4) are hinged above the first supporting seat (3) through a pin shaft, a mounting plate is jointly fixed above the two second supporting seats (4), and a motor (5) is fixedly arranged on the mounting plate;

the lifting device comprises a cross rod (6) arranged on the front side and the rear side of a motor (5) and fixing components symmetrically arranged at the left end and the right end of the two cross rods (6), a through hole is formed in the middle of the cross rod (6) in front of the motor (5), and an output shaft of the motor (5) penetrates through the through hole and is fixedly connected with a breaking hammer (7);

the fixing assembly comprises a first telescopic part (8) and a second telescopic part (9) which are opposite in extending direction, an L-shaped fixing seat I (10) is fixedly arranged on the first telescopic part (8), an L-shaped fixing seat II (11) is fixedly arranged on an extending part of the first telescopic part (8), and an L-shaped fixing seat III (12) is fixedly arranged on an extending part of the second telescopic part (9).

2. A multi-functional arch lifting structure according to claim 1, wherein two reinforcing ribs (13) are arranged between two cross bars (6), wherein a telescopic cylinder (14) is hinged below one reinforcing rib (13), and the other end of the telescopic cylinder (14) is hinged above the rotary drive (2).

3. The multifunctional arch lifting structure according to claim 1, wherein cushion blocks (15) are arranged on two sides above the vertical part of the second L-shaped fixing seat (11), on the inner side above the vertical part of the first L-shaped fixing seat (10) and on the inner side above the third L-shaped fixing seat (12).

4. A multi-functional arch lifting structure according to claim 3, characterized in that said pads (15) are square block structures made of polyurethane material.

5. A multi-functional arch lifting structure according to claim 1, characterized in that a scissor lift platform (16) is fixedly arranged below the slewing drive (2).

6. A multi-functional arch lifting structure according to claim 1, characterized in that a baffle (17) is arranged above the motor (5).

7. A multi-functional arch lifting structure according to claim 1, wherein the first telescopic member (8) and the second telescopic member (9) are provided with reinforcing plates (18) on the upper and lower sides.