WO2019011084A1

WO2019011084A1 - Tunnel inspection operation device

Info

Publication number: WO2019011084A1
Application number: PCT/CN2018/090225
Authority: WO
Inventors: 孙小军; 陈志伟; 李根文; 蔡克强; 任远帆; 毛少坊; 张阳; 宁吉平; 马洪锋; 李雪玲
Original assignee: 徐州徐工随车起重机有限公司
Priority date: 2017-07-10
Filing date: 2018-06-07
Publication date: 2019-01-17
Also published as: DE112018000661B4; CN107226438B; CN107226438A; DE112018000661T5; AT521306A5; AT521306A2

Abstract

Disclosed is a tunnel inspection operation device, comprising a main support structure and at least one operation platform assembly arranged on the main support structure. The at least one operation platform assembly comprises a main platform assembly. The main platform assembly comprises a main platform (10) and a main platform connecting structure for connecting the main platform (10) and the main support structure, wherein the main platform connecting structure comprises an amplitude change mechanism (9) for a pitching motion relative to the main support structure, and a levelling mechanism (12) for keeping the main platform (10) in a horizontal state. The device ensures the safety of the inspection operation, while extending the movement range of the main platform.

Description

Tunnel inspection operation device

Related application

The application is based on the Chinese patent application with the application number of 201710554179.9 and the application date of July 10, 2017, and the invention name is "tunnel inspection operation device", and claims the priority thereof. The disclosure content of the Chinese patent application is here. This is incorporated herein by reference.

Technical field

The present disclosure relates to an aerial work implement, and more particularly to a tunnel inspection work apparatus.

Background technique

With China's increased investment in road and railway construction, the mileage of roads and railways has increased rapidly, and the number of culverts and tunnels has also increased rapidly. In addition, the culverts and tunnels of existing lines are aging, so it is possible to develop an efficient The equipment for detecting and repairing culverts and tunnels is extremely urgent.

The invention patent application with the publication number CN106542470A, published on March 29, 2017, and entitled "A railway aerial work implement having three work platforms" discloses a railway aerial work implement comprising three work platforms The three working platforms include a large platform and two small platforms installed on both sides of the large platform. The large platform is welded on the upper end surface of the main horizontal arm, the main horizontal arm is mounted on the top end surface of the main column extension arm, and the main column extension arm is driven by the driving device. Vertical lifting, the small platform is installed on the top surface of the small column arm, the small column arm is driven vertically by the driving device, the small column arm is mounted on the basic arm of the small column, and the small column basic arm is symmetrically installed on the horizontal arm. On both ends, the horizontal arm is driven horizontally by the drive.

In the process of implementing the present disclosure, the designer finds that in the above prior art, the range of activity of the working platform is insufficient to complete the tunnel inspection requirement, which affects the efficiency of the tunnel maintenance operation; each working platform is mutually restricted, the work efficiency is low, and the action is One platform will link other platforms; all the working platforms can only reach the space and area above the initial position, and cannot reach the space below the initial position. There is a work dead zone, and it is impossible to truly detect and repair the full section.

Summary of the invention

The present disclosure provides a tunnel inspection work apparatus including a main support structure and at least one work platform component disposed on the main support structure, the at least one work platform component including a main platform component, the main platform component including a main platform And a main platform connection structure connecting the main platform and the main support structure, wherein the main platform connection structure includes a luffing mechanism relative to the main support structure pitching action and for maintaining the main platform at a level State leveling mechanism.

In some embodiments, the leveling mechanism includes a parallelogram structure coupled between the main support structure and the main platform, the inner angle of the parallelogram structure being changeably changeable with the pitching motion of the luffing mechanism Set to keep the main platform in a horizontal state.

In some embodiments, the parallelogram structure includes a first link, a second link, a first mount and a second mount, the first mount being coupled to the main support structure, the second a mounting bracket is coupled to the main platform, a first end of the first link is hinged to a first hinge point on the first mount, and a first end of the second link is hinged to the first a second hinge point on the mounting seat below the first hinge point, the second end of the first link is hinged to a third hinge point on the second mount, the second link a second end hinged to a fourth hinge point on the second mount below the third hinge point, a distance between the first hinge point and the second hinge point being equal to the third a distance between the hinge point and the fourth hinge point, and a distance of the first hinge point from the third hinge point is equal to a distance between the second hinge point and the fourth hinge point.

In some embodiments, the first mount includes a first mount ear and a second mount ear for connection with a main support structure, the second mount including a first fixed connection to the main platform a mounting lug and a fourth mounting lug, the first hinge point being located on the first mounting lug, the second hinge point being located on the second mounting lug, the third hinge point being located The fourth hinge point is located on the third mounting seat ear.

In some embodiments, the luffing mechanism includes a luffing arm and a luffing cylinder that controls rotation of the luffing arm, the first end of the luffing arm being hinged to the first mount, the change A second end of the web is hinged to the second mount, the luffing cylinder driving the luffing arm pitching motion and simultaneously driving the parallelogram structure to change an interior angle to level the main platform.

In some embodiments, the main platform connection structure includes a main telescopic arm, and the luffing mechanism and the leveling mechanism are both coupled between the main telescopic arm and the main platform.

In some embodiments, the main telescoping arms are rotatably disposed about a vertical axis relative to the main support structure.

In some embodiments, the at least one work platform component further includes an auxiliary platform component including an auxiliary platform and an auxiliary platform connection structure, the auxiliary platform connection structure connecting the main support structure and the auxiliary platform The auxiliary platform connecting structure includes a horizontal telescopic arm that is telescopically disposed in a horizontal direction and a vertical telescopic arm that is telescopically disposed in a vertical direction, and a basic arm joint of the horizontal telescopic arm is fixedly coupled to the main support Structurally, the basic arm joint of the vertical telescopic arm is fixedly coupled to the arm head of the distal telescopic boom section of the horizontal telescopic arm, and the auxiliary platform is fixedly coupled to the arm of the distal telescopic boom section of the vertical telescopic arm head.

In some embodiments, the tunnel inspection work device includes a plurality of the work platform components, the position of the main platform relative to the main support structure being separately adjusted by the main platform connection structure independently of other work platform components, Wherein, the main platform can have a working position below the initial position of the main platform by the pitching action of the luffing mechanism.

In some embodiments, the tunnel inspection work device further includes a flat locomotive, the main support structure being mounted on a top of the flat locomotive.

Based on the tunnel inspection working device provided by the present disclosure, the main platform connection structure includes a luffing mechanism and a leveling mechanism, and the tunnel inspection operation device controls the movement of the main platform by the luffing mechanism to increase the range of motion of the main platform, and the main platform is entirely The operation process can maintain the real-time leveling of the leveling mechanism, and at the same time help ensure the safety of the inspection work.

Other features of the present disclosure and its advantages will be apparent from the following detailed description of exemplary embodiments.

DRAWINGS

The drawings described herein are provided to provide a further understanding of the present disclosure, and are intended to be a part of the present disclosure. In the drawing:

FIG. 1 is a schematic perspective structural view showing three working platforms of a tunnel inspection working device in an initial position according to an embodiment of the present disclosure.

2 is a schematic front view showing the structure of the three working platforms of the tunnel inspection working device of the embodiment shown in FIG. 1 in an initial position.

FIG. 3 is a structural schematic view showing the three working platforms of the tunnel inspection working device shown in FIG. 1 in a working position.

Fig. 4 is a schematic view showing the structure of the tunnel inspection working device shown in Fig. 1 when the full-section inspection operation is performed.

FIG. 5 is a partial structural schematic view of the tunnel inspection working device shown in FIG. 1 at a leveling mechanism, wherein the working area of the main platform is below the initial position.

6 is a partial structural schematic view of the tunnel inspection working device shown in FIG. 1 at a leveling mechanism, wherein the working area of the main platform is above the initial position.

Detailed ways

The technical solutions in the embodiments of the present disclosure are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present disclosure. It is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. The following description of the at least one exemplary embodiment is merely illustrative and is in no way All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present disclosure without departing from the inventive scope are the scope of the disclosure.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in the embodiments are not intended to limit the scope of the disclosure. In the meantime, it should be understood that the dimensions of the various parts shown in the drawings are not drawn in the actual scale relationship for the convenience of the description. Techniques, methods and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods and apparatus should be considered as part of the authorization specification. In all of the examples shown and discussed herein, any specific values are to be construed as illustrative only and not as a limitation. Accordingly, other examples of the exemplary embodiments may have different values. It should be noted that similar reference numerals and letters indicate similar items in the following figures, and therefore, once an item is defined in one figure, it is not required to be further discussed in the subsequent figures.

In the description of the present disclosure, it is to be understood that the terms "first", "second" and the like are used to define the components only for the purpose of facilitating the distinction between the corresponding components. If not stated otherwise, the above words are not special. The meaning is therefore not to be construed as limiting the scope of the disclosure.

In the description of the present disclosure, it is to be understood that the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom", etc. indicate the orientation. Or the positional relationship is generally based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of the description of the disclosure and the simplification of the description, which does not indicate or imply the indicated device or component. It must be constructed and operated in a specific orientation or in a specific orientation, and thus is not to be construed as limiting the scope of the disclosure; the orientations "inside and outside" refer to the inside and outside of the contour of the components themselves.

As shown in FIG. 1 to FIG. 6 , an embodiment of the present disclosure provides a tunnel inspection working device. The tunnel inspection work device includes a main support structure and at least one work platform assembly disposed on the main support structure. At least one work platform assembly includes a main platform assembly including a main platform 10 and a main platform connection structure connecting the main platform 10 and the main support structure. The main platform connection structure includes a luffing mechanism 9 that is tilted relative to the main support structure and a leveling mechanism 12 for maintaining the main platform 10 in a horizontal state.

Since the main platform connection structure including the luffing mechanism and the leveling mechanism 12 can increase the range of motion of the main platform, the tunnel inspection work device controls the lifting of the main platform 10 through the luffing mechanism 9, and the main platform 10 is leveled throughout the operation process. The organization 12 maintains real-time leveling, which at the same time facilitates the safety of inspection operations.

Embodiments of the present disclosure will be described in detail below with reference to FIGS. 1 through 6.

As shown in FIGS. 1 to 6, the tunnel inspection working device of the present embodiment includes a main support structure and three work platform assemblies disposed on the main support structure. The three work platform components include one main platform component and two auxiliary platform components.

The main support structure includes a base 11, a main upright 1 fixedly coupled to the base 11, and a main horizontal arm 2 connected to the top end of the main upright 1. The three work platform components are all connected to the main horizontal arm 2.

The main platform assembly includes a main platform 10 and a main platform connection mechanism that connects the main platform 10 with the main support structure.

The main platform connection mechanism includes a swivel connection mechanism 14, a main telescopic arm 8, a luffing mechanism 9, and a leveling mechanism 12. Both the luffing mechanism 9 and the leveling mechanism 12 are coupled between the main telescopic arm 8 and the main platform 10.

Among them, the luffing mechanism 9 can be tilted with respect to the main support structure. The main platform 10 can have a working position below the initial position of the main platform 10 by the pitching action of the luffing mechanism 9.

The main platform 10 of the tunnel inspection working device is mounted on the luffing mechanism 9, and the working height can be adjusted according to the up and down luffing of the luffing mechanism 9, effectively solving the problem that the existing railway aerial work implement cannot be carried out, and there is a low bottom at the bottom of the tunnel. The problem of regional work blind spots. The luffing action of the luffing mechanism 9 can be driven by a luffing cylinder.

The main telescopic arm 8 is rotatably coupled to the main horizontal arm 2 about a vertical axis. The main telescopic arm 8 is telescopically disposed in the horizontal direction. As shown in FIG. 1 to FIG. 4, in the present embodiment, the basic arm section of the main telescopic arm 8 and the main horizontal arm 2 are connected by the swivel connection structure 14, so that the main telescopic arm 8 can be wound around the vertical axis with respect to the main support structure. Turn. The rotation of the main telescopic arm 8 can be driven by a drive motor or a hydraulic motor. The main telescopic arm 8 includes a single-section telescopic boom section, and the telescopic action of the main telescopic arm 8 can be driven by a hydraulic cylinder.

The first end of the luffing mechanism 9 is hinged to the distal telescoping section of the main telescopic arm 8. The second end of the luffing mechanism 9 is hinged to the main platform 10. Thus, the luffing mechanism 9 achieves a rotatable setting about the vertical axis relative to the main support structure by a rotatable connection between the main telescopic arm 8 and the main horizontal arm 2. At the same time, the luffing mechanism 9 achieves a retractable setting relative to the main support structure by the main telescopic arms 8.

As shown in FIG. 3, in the present embodiment, the main horizontal arm 2 includes a horizontal section fixedly coupled to the main upright and a downdip section fixedly coupled to the horizontal section, and the main telescopic arm 8 is mounted to the downtilt section by the swivel connection structure 14. Below the free end. The main telescopic arm 8 can achieve a rotation of ±180° with respect to the main horizontal arm 2.

The luffing mechanism 9 of the present embodiment is mounted on the main telescopic arm 8 which is horizontally expandable and retractable and capable of achieving ±180° rotation with respect to the main horizontal arm 2, so that the main platform 10 achieves a maximum work area.

The leveling mechanism 12 is for maintaining the main platform 10 in a horizontal state.

In the present embodiment, the leveling mechanism 12 includes a parallelogram structure connected between the main support structure and the main platform 10. The inner angle of the parallelogram structure is variably provided with the pitching action of the luffing mechanism 9 to keep the main platform 10 in a horizontal state.

As shown in FIGS. 5 and 6, the parallelogram structure includes a first link 121, a second link 122, a first mount, and a second mount. The first mount is used to connect the main support structure. In this embodiment, the first mounting seat is fixedly coupled to the arm head of the distal telescopic boom section of the main telescopic arm 8. The second mount is fixedly coupled to the side of the main platform 10.

As shown in Figures 5 and 6, the first end of the first link 121 is hinged to the first hinge point A on the first mount. The first end of the second link 122 is hinged to a second hinge point B on the first mount. The second hinge point B is located below the first hinge point A. The second end of the first link 121 is hinged to a third hinge point C on the second mount. The second end of the second link 122 is hinged to a fourth hinge point D on the second mount. The fourth hinge point D is located below the third hinge point C. The distance between the first hinge point A and the second hinge point B is equal to the distance between the third hinge point C and the fourth hinge point D. The distance between the first hinge point A and the third hinge point C is equal to the distance between the second hinge point B and the fourth hinge point D.

The first link 121, the second link 122, the first mount and the second mount are connected to form a parallelogram structure with a variable internal angle.

As shown in FIGS. 5 and 6, the first mount includes a first mounting lug 123 and a second mounting lug 124 that are fixedly coupled to the arm heads of the distal telescoping section of the main telescopic arm 8, respectively. The second mount includes a third mounting lug 125 and a fourth mounting lug 126 that are fixedly coupled to the main platform 10, respectively. The first hinge point A is located on the first mounting lug 123. The second hinge point B is located on the second mounting lug 124. The third hinge point C is located on the third mounting lug 125. The fourth hinge point D is located on the fourth mounting lug 126.

As shown in FIGS. 1 to 6, in the present embodiment, the luffing mechanism 9 includes a luffing arm and a luffing cylinder 13 that controls the rotation of the luffing arm. The first end of the horn is hinged to the first mount. The second end of the horn is hinged to the second mount. The luffing cylinder drives the luffing arm to tilt and simultaneously drives the parallelogram structure to change the inner angle to level the main platform 10. As shown in FIG. 5 and FIG. 6 , in particular, the first end of the luffing arm is hinged to the second mounting lug 124 at a position different from the second hinge point B; the second end of the luffing arm is hinged. A position on the fourth mounting lug 126 that is different from the fourth hinge point D. The first end of the luffing cylinder 13 is hinged to the second mount, and the second end of the luffing cylinder 13 is hinged to the luffing arm.

The leveling mechanism 12 of the present embodiment maintains the main platform 10 in real time leveling by the principle of parallelogram. The leveling mechanism 12 has a simple structure and high reliability. Referring to FIGS. 5 and 6, the work area in which the work position shown in FIG. 5 of the main platform 10 is located below the initial position to the work position shown in FIG. 6 above the initial position may always be in the real-time leveling state.

In this embodiment, the main platform 10 can be controlled to switch between the initial position and the working position by the luffing mechanism 9, the main telescopic arm 8, and the swivel connection mechanism 14. When the main telescopic arm 8 is fully retracted and the luffing mechanism 9 is fully received and the swivel connection structure 14 is at an initial angle, the main platform 10 is in an initial position, when the main telescopic arm 8 is at least partially extended or the luffing mechanism 9 is at least partially variable or swivelly connected. When the structure 14 changes angularly relative to the initial angle, the main platform 10 is in the working position.

As shown in FIGS. 1 to 4, the auxiliary platform assembly includes an auxiliary platform 7 and an auxiliary platform connection structure. The auxiliary platform connection structure connects the main support structure and the auxiliary platform 7. The auxiliary platform connection structure includes a horizontal telescopic arm that is telescopically disposed in a horizontal direction and a vertical telescopic arm that is telescopically disposed in a vertical direction.

As shown in Figures 1 to 4, the basic arm section 3 of the horizontal telescopic arm is fixedly coupled to the main horizontal arm 2 of the main support structure. The basic arm section 5 of the vertical telescopic arm is fixedly connected to the end section telescopic arm section 4 of the horizontal telescopic arm. The auxiliary platform 7 is fixedly coupled to the distal telescopic boom section 6 of the vertical telescopic arm.

In this embodiment, the auxiliary platform 7 can be controlled to switch between the initial position and the working position by the horizontal telescopic arm and the vertical telescopic arm. When the horizontal telescopic arm and the vertical telescopic arm are both in the fully retracted state, the auxiliary platform 7 is in the initial position, and when the horizontal telescopic arm or the vertical telescopic arm is at least partially extended, the auxiliary platform 7 is in the working position.

As shown in FIG. 1 to FIG. 4, in the embodiment, two auxiliary platform components are symmetrically disposed on both sides of the main horizontal arm 2. The two horizontal telescopic arms are fixedly connected to the lower end surface of the main horizontal arm 2, respectively.

As shown in FIG. 1 and FIG. 2, in the embodiment, when the main platform component and the two auxiliary platform components are in the initial position, the two auxiliary platform components are arranged side by side, and the main platform 10 is disposed on the side of the two auxiliary platforms 7. It is at the same level as the auxiliary platform 7. Therefore, when the three platforms are in the initial position (the state of the vehicle), the structure is approximately rectangular, and the structure is compact and the space occupied is small.

Wherein, the main telescopic arm, the horizontal telescopic arm and the vertical telescopic arm are all polygonal cross-section arms. The telescopic movement of the horizontal telescopic arm and the vertical telescopic arm is driven by a multi-stage hydraulic cylinder.

The above tunnel inspection working device is a three-operating platform tunnel inspection working device with a telescopic variability belt downslable working platform, and the platform connection structure of each working platform component can independently control the corresponding platform with respect to other working platform components. Movement between the initial position of the platform and the various working positions of the platform. The tunnel inspection work device enables each platform to independently change the working position with respect to other platforms and improve work efficiency.

The main platform 10 of the tunnel inspection working device is mounted on one end of the luffing mechanism 9, and can be level-adjusted by the leveling mechanism 12, and can be carried out by the luffing of the luffing mechanism 9, and can be realized below the initial position. Detection of the area. Each of the auxiliary platforms 7 can be lifted and lowered with the rise and fall of the respective vertical telescopic arms, and can be expanded and contracted with the expansion and contraction of the respective horizontal telescopic arms. Thus, the auxiliary platform 7 can be moved both horizontally and vertically.

As shown in FIG. 4, the tunnel inspection working device of the present embodiment further includes a flat locomotive 21, and the base 11 of the main support structure is mounted on the top of the flat locomotive 21.

In the following, the tunnel inspection working device of the present embodiment is used to check the tunnel as an example to describe its use process. As shown in FIG. 4, the flat locomotive 21 travels along the rail surface 22. Inspection, maintenance, overhaul, etc. of the tunnel wall surface 26 and the facilities in the tunnel may be performed on each platform. Reference numeral 23 in Fig. 4 represents the tunnel center plane.

According to the above description, the embodiment of the present disclosure can achieve at least one of the following technical effects:

The luffing mechanism controls the lifting of the main platform, and the main platform can maintain the real-time leveling state of the leveling mechanism throughout the operation process, which can increase the safety range of the main platform while ensuring the safety of the inspection work.

The leveling mechanism includes a parallelogram mechanism with a variable inner angle, and the main platform is leveled with the pitching motion of the luffing mechanism, and the structure is simple, the leveling is reliable, and the safety is high.

The leveling mechanism is adapted to the action of the luffing mechanism, and the main telescopic arm and the swivel connection mechanism can realize the working platform working in a large area of the working area, and meet the requirements of the main platform in different angles and heights of the working area and compactness of the car.

The main platform can be tested to work below the initial position height, which solves the problem that the railway inspection machine in the prior art can only perform maintenance work on the area above the initial position height.

The auxiliary platform symmetrically mounted on both sides of the main horizontal arm enables maintenance work on higher areas, and cooperates with the main platform to cover the entire section of the line, culvert and tunnel.

Each platform forms an approximately rectangular structure at the initial position, which is compact in structure and small in space.

Each platform can be independently controlled and operated at the same time, and the work efficiency is high.

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present disclosure and are not to be construed as limiting thereof; although the present disclosure will be described in detail with reference to the preferred embodiments, those skilled in the art should understand that Modifications of the specific embodiments disclosed are intended to be equivalent to the equivalents of the technical features of the present disclosure.

Claims

A tunnel inspection operation device includes:

Main support structure; and

At least one work platform component disposed on the main support structure, the at least one work platform component including a main platform component, the main platform component comprising:

Main platform (10); and

a main platform connection structure connecting the main platform (10) and the main support structure, wherein the main platform connection structure includes a luffing mechanism (9) and a holding mechanism for a pitching motion of the main support structure The leveling mechanism (12) in which the main platform (10) is in a horizontal state.
The tunnel inspection work apparatus according to claim 1, wherein said leveling mechanism (12) includes a parallelogram structure connected between said main support structure and said main platform (10), said parallel The inner angle of the quadrilateral structure is variably arranged with the pitching action of the luffing mechanism (9) to maintain the main platform (10) in a horizontal state.
The tunnel inspection work apparatus according to claim 2, wherein the parallelogram structure comprises:

First link (121);

a second link (122);

a first mount coupled to the main support structure, a first end of the first link (121) hinged to a first hinge point (A) on the first mount, the second link a first end of (122) hinged to the second hinge point (B) on the first mount below the first hinge point (A); and

a second mount coupled to the main platform (10), a second end of the first link (121) hinged to a third hinge point (C) on the second mount, the a second end of the two links (122) is hinged to a fourth hinge point (D) on the second mount below the third hinge point (C), the first hinge point (A) and a distance between the second hinge point (B) is equal to a distance between the third hinge point (C) and the fourth hinge point (D), and the first hinge point (A) The distance of the third hinge point (C) is equal to the distance of the second hinge point (B) from the fourth hinge point (D).
The tunnel inspection work apparatus according to claim 3, wherein the first mount comprises a first mount ear (123) and a second mount ear (124) connected to the main support structure, the The second mounting base includes a third mounting lug (125) and a fourth mounting lug (126) respectively fixedly coupled to the main platform (10), the first hinge point (A) being located at the first mount On the ear (123), the second hinge point (B) is located on the second mounting seat (124), and the third hinge point (C) is located on the third mounting seat (125). The fourth hinge point (D) is located on the fourth mounting lug (126).
A tunnel inspection work apparatus according to claim 3, wherein said luffing mechanism (9) comprises a luffing arm and a luffing cylinder (13) for controlling the rotation of said luffing arm, said luffing arm a first end hinged to the first mount, a second end of the luff arm hinged to the second mount, the luffing cylinder driving the luffing arm pitching motion and simultaneously driving the The parallelogram structure changes the inner angle to level the main platform (10).
The tunnel inspection work apparatus according to any one of claims 1 to 5, wherein the main platform connection structure comprises a main telescopic arm (8), the luffing mechanism (9) and the leveling mechanism (12) are each connected between the main telescopic arm (8) and the main platform (10).
The tunnel inspection work apparatus according to claim 6, wherein said main telescopic arm (8) is rotatably disposed on said main support structure about a vertical axis.
The tunnel inspection work apparatus according to any one of claims 1 to 5, wherein the at least one work platform component further comprises an auxiliary platform component, the auxiliary platform component comprising an auxiliary platform (7) and an auxiliary platform connection Structure, the auxiliary platform connection structure connects the main support structure and the auxiliary platform (7), the auxiliary platform connection structure includes a horizontal telescopic arm that is telescopically disposed in a horizontal direction and is retractably disposed in a vertical direction a vertical telescopic arm, the basic arm section (3) of the horizontal telescopic arm is fixedly connected to the main support structure, and the basic arm section (5) of the vertical telescopic arm is fixedly connected to the horizontal telescopic arm The arm head of the telescoping section (4) of the distal section, the auxiliary platform (7) is fixedly coupled to the arm head of the telescoping section (6) of the vertical telescopic arm.
The tunnel inspection work apparatus according to any one of claims 1 to 5, wherein the tunnel inspection work device includes a plurality of the work platform components, and a position of the main platform relative to the main support structure The main platform connection structure is separately adjusted independently of the other work platform components, wherein the pitching action of the luffing mechanism (9) enables the main platform (10) to have an initial position on the main platform (10) The working position below the location.
The tunnel inspection work device according to any one of claims 1 to 5, wherein the tunnel inspection work device further comprises a flat locomotive (21), and the main support structure is mounted on the flat locomotive (21) top of.