CN212614783U

CN212614783U - Arch frame mounting mechanical arm of tunnel operation vehicle

Info

Publication number: CN212614783U
Application number: CN202021634829.4U
Authority: CN
Inventors: 马晓昱
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-08
Filing date: 2020-08-08
Publication date: 2021-02-26
Anticipated expiration: 2030-08-08

Abstract

The utility model provides an arch center mounting mechanical arm of a tunnel operation vehicle, which comprises a connecting seat connected with a quick connector of an excavator, wherein the connecting seat is connected with a bracket through a rotating table, one side of the connecting seat is provided with a movable turntable, and the movable turntable is provided with a hanging basket; connecting limiting shafts are arranged on two opposite sides of the support, arch clamping assemblies which are matched with each other are hinged on each connecting limiting shaft, and a driving unit which is in linkage connection with each arch clamping assembly is arranged on the support; the utility model discloses simple structure, compactness can conveniently install labour saving and time saving, and work efficiency is high, safe and reliable to the bow member.

Description

Arch frame mounting mechanical arm of tunnel operation vehicle

Technical Field

The utility model relates to a manipulator specifically is an arch frame installation arm of tunnel work car.

Background

At present, in the tunnel construction process, a steel arch needs to be erected on an excavated rock face, the traditional steel arch is heavy, and the arch installation mainly depends on manual construction. In the installation process, a piece of arch centering needs four staff at least to remove the butt welding, wastes time and energy, takes manpower, because the operation top is for exposing the face and hanging the arch centering, the staff's safety can not the guarantee. Therefore, the manual installation mode needs a large amount of manpower, and the labor intensity is high, the operation efficiency is low, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an arch center installation arm of tunnel work car to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

an arch center mounting mechanical arm of a tunnel operation vehicle comprises a connecting seat connected with a quick connector of an excavator, wherein a support is connected to the connecting seat through a rotating table, a movable rotating disc is arranged on one side of the connecting seat, and a hanging basket is arranged on the movable rotating disc;

the support is provided with connecting limiting shafts on two opposite sides, arch clamping assemblies which are matched with each other are hinged on the connecting limiting shafts, and the support is provided with a driving unit which is in linkage connection with the arch clamping assemblies.

As a further aspect of the present invention: the driving part of the rotating platform is a reciprocating double-acting hydraulic cylinder.

As a further aspect of the present invention: the movable turntable is a slewing bearing, the outer ring of the slewing bearing is fixedly connected with the connecting seat, and the inner ring of the slewing bearing is fixedly connected with the hanging basket.

As a further aspect of the present invention: a plurality of operation through holes are formed in the periphery of the hanging basket, a baffle is arranged at each operation through hole, the lower end of each baffle is hinged with the hanging basket, and a limiting bolt matched with the baffle is arranged at the upper end of the hanging basket;

iron chains are arranged on two sides of the upper end near end part of each baffle, and the free end of each iron chain is fixedly connected with the hanging basket.

As a further aspect of the present invention: the arch center clamping assembly comprises clamping claws hinged to the connecting limiting shaft, and connecting rods are arranged among the clamping claws; and a linkage shaft is arranged at the top of each clamping jaw and is hinged with the driving unit.

As a further aspect of the present invention: the driving unit consists of a reciprocating double-acting hydraulic cylinder which is arranged on the bracket and the extending end of which is hinged with the arch frame clamping component.

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

by adopting the structure, the utility model can be connected with the control mechanism of the excavator, is convenient to move and easy to operate; through the mutual cooperation of the support, the movable rotary table, the hanging flower basket, the connection limiting shaft, the arch center clamping component and the driving unit, when the arch center is installed, the arch center is clamped by the accessible arch center clamping component and is aligned, then the arch center is welded by workers in the hanging flower basket, and the arch center clamping device is simple and compact in structure, time-saving, labor-saving, convenient to use, safe and reliable. Meanwhile, the hanging basket is connected with the support through the movable turntable and can rotate 360 degrees under the action of gravity, so that workers can conveniently weld the arch centering on the hanging basket; and after the baffle is opened, the baffle can be supported by an iron chain, so that the working surface is enlarged, the operation of workers is facilitated, and the danger is reduced. The utility model discloses simple structure, compactness can conveniently install labour saving and time saving, and work efficiency is high, safe and reliable to the bow member.

Drawings

Fig. 1 is a schematic structural view of an arch mounting robot arm of a tunnel working vehicle.

Fig. 2 is a schematic structural diagram of a basket in an arch mounting mechanical arm of a tunnel working vehicle.

In the figure: 1. a connecting seat; 2. a rotating table; 3. a support; 4. a movable turntable; 5. a hanging basket; 6. connecting a limiting shaft; 7. an arch clamping assembly; 701. a gripper jaw; 702. a connecting rod; 703. a linkage shaft; 8. a drive unit; 9. a baffle plate; 10. an iron chain.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-2, an arch center mounting mechanical arm of a tunnel working vehicle comprises a connecting seat 1 connected with a quick connector of an excavator, wherein the connecting seat 1 is connected with a bracket 3 through a rotating platform 2, a movable turntable 4 is arranged on one side of the connecting seat 1, and a hanging basket 5 is arranged on the movable turntable 4; connecting limiting shafts 6 are arranged on two opposite sides of the support 3, arch clamping components 7 which are matched with each other are hinged on the connecting limiting shafts 6, and a driving unit 8 which is in linkage connection with the arch clamping components 7 is arranged on the support 3. The device can be connected with an operating mechanism of the excavator, is convenient to move and easy to operate; through the support 3 that sets up, activity carousel 4, hanging flower basket 5, connect spacing axle 6, bow member centre gripping subassembly 7 and drive unit 8 mutually support, when the installation bow member, accessible bow member centre gripping subassembly 7 clamp gets the bow member, counterpoints the bow member, then welds the bow member through the staff in the hanging flower basket 5, simple structure, compactness, labour saving and time saving reduces intensity of labour, convenient to use, safe and reliable.

The driving part of the rotating platform 2 is a reciprocating double-acting hydraulic cylinder which can rotate 180 degrees, and the centering can be conveniently aligned.

In addition, the movable turntable 4 is a slewing bearing, the outer ring of the slewing bearing is fixedly connected with the connecting seat 1, and the inner ring of the slewing bearing is fixedly connected with the hanging basket 5. When the hanging basket is used, the hanging basket 5 can rotate 360 degrees under the action of gravity, and workers can conveniently weld the arch centering on the hanging basket.

Furthermore, a plurality of operation through holes are formed in the periphery of the hanging basket 5, a baffle 9 is arranged at each operation through hole, the lower end of each baffle 9 is hinged with the hanging basket 5, and a limiting bolt matched with the baffle 9 is arranged at the upper end of the hanging basket 5; iron chains 10 are arranged on two sides of the upper end near end part of each baffle 9, and the free end of each iron chain 10 is fixedly connected with the hanging basket 5. When the baffle 9 is opened, the baffle can be supported by an iron chain 10, so that the working surface is enlarged, the operation of workers is facilitated, and the danger is reduced.

Specifically, the arch center clamping assembly 7 comprises clamping claws 701 hinged to the connecting limiting shaft 6, and connecting rods 702 are arranged between the clamping claws 701; the top of each clamping claw 701 is provided with a linkage shaft 703, and the linkage shaft 703 is hinged with the driving unit 8. The drive unit 8 consists of a reciprocating double-acting hydraulic cylinder which is arranged on the support 3 and the extending end of which is hinged with the arch clamping component 7. Through the cooperation of the reciprocating double-acting hydraulic cylinder, the clamping claws 701, the connecting rod 702 and the linkage shaft 703, the arch center can be conveniently clamped, and the device has the advantages of simple and stable structure, reliable use and easy operation.

In this embodiment, it should be noted that the rotary table 2 and the reciprocating double-acting hydraulic cylinder adopted in the present application are both in the prior art, and the connections between the components are also both in the prior art, so the connection relationship and principle thereof are not described herein again.

The utility model discloses a theory of operation is: a worker stands in the hanging basket 5 and then clamps the arch centering through the matching of the driving unit 8, the clamping claws 701, the connecting rod 702 and the universal driving shaft 703; and then the position of the arch centering is adjusted through the control mechanism of the digging machine, so that the arch centering is aligned, and an operator in the hanging basket 5 performs welding on the arch centering after positioning.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. An arch center mounting mechanical arm of a tunnel operation vehicle comprises a connecting seat (1) connected with a quick connector of an excavator, and is characterized in that the connecting seat (1) is connected with a support (3) through a rotating table (2), a movable rotating disc (4) is arranged on one side of the connecting seat (1), and a hanging basket (5) is arranged on the movable rotating disc (4);

the support (3) is provided with connecting limiting shafts (6) on two opposite sides, arch clamping components (7) which are matched with each other are hinged on each connecting limiting shaft (6), and the support (3) is provided with a driving unit (8) which is connected with each arch clamping component (7) in a linkage manner.

2. The arch-mounting arm of a tunnel-working vehicle according to claim 1, characterized in that the driving means of said rotary table (2) are reciprocating double-acting hydraulic cylinders.

3. The arch mounting mechanical arm of a tunnel working vehicle as claimed in claim 1, wherein the movable turntable (4) is a rotary support, the outer ring of the rotary support is fixedly connected with the connecting base (1), and the inner ring of the rotary support is fixedly connected with the hanging basket (5).

4. The arch mounting mechanical arm of the tunnel working vehicle as claimed in claim 1, wherein a plurality of operation through holes are formed around the basket (5), a baffle (9) is arranged at each operation through hole, the lower end of each baffle (9) is hinged with the basket (5), and a limit bolt matched with the baffle (9) is arranged at the upper end of the basket (5);

iron chains (10) are arranged on two sides of the upper end near end part of each baffle (9), and the free end of each iron chain (10) is fixedly connected with the hanging basket (5).

5. The arch mounting manipulator of a tunnel working vehicle as claimed in claim 1, wherein the arch clamping assembly (7) comprises clamping jaws (701) hinged on a connecting limiting shaft (6), a connecting rod (702) being provided between each clamping jaw (701); the top of each clamping claw (701) is provided with a linkage shaft (703), and the linkage shafts (703) are hinged with the driving unit (8).

6. The arm for mounting the arches of a tunnel-working vehicle according to claim 1, characterized in that said drive unit (8) consists of a double-acting reciprocating hydraulic cylinder set on the support (3) and hinged at the extension end to the arch-gripping assembly (7).