阅读说明：本技术 一种用于隧道多功法施工的拱架安装台车 (Arch frame installation trolley for tunnel multi-work construction ) 是由 张光明 王文胜 周聪 吕虎 刘新华 王嵽显 何亮 陈晓飞 杨奥飞 杜小刚 于 2021-06-25 设计创作，主要内容包括：本发明提供了一种用于隧道多功法施工的拱架安装台车,包括车体、电气液压系统、走行机构和支撑机构,车体包括台架和工作平台,工作平台悬挂连接于台架的两侧；车体上设置有拱架安装单元,拱架安装单元包括顶拱拼装车、拱架运输车、悬臂吊、第一纵移机构、第二纵移机构、机械手、工作臂和拱架支撑杆,顶拱拼装车的左右两端均安装在第一纵移机构上,顶拱拼装车包括车架、拱架支撑组件以及拼装车纵移组件,拱架运输车安装在第二纵移机构上,悬臂吊设置于台架的后端,机械手和拱架支撑杆安装固定于工作平台的前端,工作臂安装固定于台架的前端。该拱架安装台车能够实现三榀拱架的快速安装,安装效率较高且适用性强。(The invention provides an arch center mounting trolley for tunnel multi-functional construction, which comprises a trolley body, an electric hydraulic system, a traveling mechanism and a supporting mechanism, wherein the trolley body comprises a rack and working platforms, and the working platforms are connected to two sides of the rack in a hanging manner; be provided with bow member installation unit on the automobile body, bow member installation unit is including the top arch piece car, the bow member transport vechicle, the cantilever crane, first indulge move the mechanism, the second indulges and moves the mechanism, the manipulator, work arm and bow member bracing piece, both ends are all installed on first indulge move the mechanism about the top arch piece car, the top arch piece car includes the frame, bow member supporting component and piece car indulge move the subassembly, the bow member transport vechicle is installed and is indulged on moving the mechanism at the second, the cantilever crane sets up in the rear end of rack, manipulator and bow member bracing piece erection fixation are in work platform's front end, the front end of rack is fixed in the work arm erection fixation. The arch center mounting trolley can realize quick mounting of three arch centers, and is high in mounting efficiency and high in applicability.)

1. The utility model provides an bow member installation platform truck for construction of tunnel multiple methods, includes the automobile body at least, is located the electric hydraulic system that provides operation power for each subassembly on the platform truck on the automobile body and connects in running gear and the supporting mechanism of automobile body bottom, its characterized in that: the trolley body comprises two racks and two working platforms, wherein the two racks are vertically arranged and respectively comprise an upper rack and a lower rack, the upper rack comprises an upper top plate and an upper support which is fixedly connected below the upper top plate, the lower rack comprises a lower top plate and a lower support which is fixedly connected below the lower top plate, the upper support is connected to the lower top plate through a third longitudinal moving mechanism, so that the upper rack is connected to the lower rack and can longitudinally move along the lower rack, and the working platforms are connected to two sides of the racks in a hanging manner; the vehicle body is provided with an arch frame installation unit, the arch frame installation unit comprises an arch frame assembling vehicle, an arch frame transport vehicle, a cantilever crane, a first longitudinal moving mechanism, a second longitudinal moving mechanism, a mechanical arm, a working arm and an arch frame supporting rod, the arch frame assembling vehicle is used for pre-assembling a plurality of arch frames, the first longitudinal moving mechanism and the second longitudinal moving mechanism are both arranged on the rack and are arranged in parallel along the direction of the trolley, the second longitudinal moving mechanism is arranged on the outer side of the rack, the first longitudinal moving mechanism is arranged on the inner side of the rack, the left end and the right end of the arch frame assembling vehicle are both arranged on the first longitudinal moving mechanism and move longitudinally through the first longitudinal moving mechanism, the arch frame assembling vehicle comprises a frame, an arch frame supporting component and an assembling longitudinal moving component, the frame is integrally arched and comprises a rectangular top frame positioned at the top, the semi-arched supporting frames connected with the four corners of the top frame and longitudinal frames, and arranged along the direction of the trolley and connected between the two parallel supporting frames, the three is connected formula structure as an organic whole, bow member supporting component is the matrix distribution on the roof-rack, and the bow member supporting component who distributes along perpendicular to platform truck direction is a set of, and bow member supporting component is provided with more than three groups for support many pin crown arches, the bow member transport vechicle install on the second indulges the mechanism and indulge through the second and move the mechanism longitudinal movement, the cantilever crane sets up in the rear end of rack, and manipulator and bow member bracing piece installation are fixed in work platform's front end, and the bow member bracing piece is located the top of manipulator, and the front end of rack is fixed in the work arm installation.

2. The arch installing trolley for tunnel multi-work construction according to claim 1, wherein: the first longitudinal moving mechanism is of a double longitudinal moving structure and comprises a fixed rail, a sliding rail, a first supporting wheel, a first supporting rail, first pulleys, a first rack, a first hydraulic motor and a first gear, wherein the fixed rail is fixedly connected to the upper surface of an upper rack, the sliding rail is arranged in the fixed rail, the first pulleys are arranged on two sides of the sliding rail and are close to the rear end of a trolley, the first rack is connected to the bottom of the sliding rail, the first hydraulic motor and the first gear are fixedly connected to an upper support, the fixed rail is of a groove type structure formed by assembling two steel rails with cross sections in a [ -shape, the first gear is meshed with the first rack and drives the gear rack to transmit through the first hydraulic motor, so that the sliding rail moves on the fixed rail, the first supporting rail is connected to the bottom of the sliding rail and is arranged in parallel with the first rack, and the first supporting wheel straddles on the first supporting rail and is connected and fixed to the upper support close to the front end of the trolley, and the sliding rail is prevented from being separated from the fixed rail during longitudinal moving; the top of the sliding rail is provided with a top arch assembling vehicle rail, the top arch assembling vehicle is installed on the top arch assembling vehicle rail and longitudinally moves along the sliding rail, and the length of the sliding rail and the length of the top arch assembling vehicle rail are consistent with the length of the upper rack.

3. The arch installing trolley for tunnel multi-work construction according to claim 1, wherein: the arch frame jacking assembly comprises a jacking oil cylinder and a jacking piece connected to the top of the jacking oil cylinder and in a groove shape, the height of the jacking piece is adjusted through the jacking oil cylinder, the spliced car longitudinally-moving assembly comprises a longitudinally-moving frame arranged along the trolley direction and connected to the bottoms of the two parallel support frames, spliced car walking wheels arranged at the bottom of the longitudinally-moving frame, fifth hydraulic motors and motor output shaft gears which are fixedly connected to the side faces of the longitudinally-moving frame and fifth gears fixedly connected to the spliced car walking wheels, the spliced car walking wheels are straddled on the second longitudinally-moving mechanism, the motor output shaft gears are meshed with the fifth gears, and the fifth hydraulic motors drive the motor output shaft gears and the fifth gears to drive the integral longitudinal movement of the arch frame mounting car.

4. The arch installing trolley for tunnel multi-work construction according to claim 1, wherein: two sides of the top frame, which are positioned at the front end and the rear end of the trolley, are connected with a transverse H-shaped telescopic joint through telescopic oil cylinders, more than one group of arch support assemblies are arranged on the telescopic joint, and the distance between the arch support assemblies on the telescopic joint and the arch support assemblies on the top frame is adjusted through the telescopic oil cylinders, so that the distance between every two arches is adjusted; the support frame is of a telescopic structure, and the height of the support frame is adjusted through a lifting oil cylinder connected between the longitudinal frame and the longitudinal moving frame.

5. The arch installing trolley for tunnel multi-work construction according to claim 1, wherein: the second longitudinal moving mechanism comprises an I-shaped carrier vehicle track, a carrier vehicle support saddle on the carrier vehicle track, carrier vehicle traveling wheels arranged at the bottom of the carrier vehicle support saddle, a second hydraulic motor and a motor output shaft gear which are fixedly connected and positioned on the working arm support saddle, and a second gear fixedly connected on the carrier vehicle traveling wheels, wherein the carrier vehicle support saddle is fixedly connected with the arch carrier vehicle, the motor output shaft gear is meshed with the second gear, the second hydraulic motor drives the motor output shaft gear and the second gear to transmit and drive the arch carrier vehicle to integrally and longitudinally move, the carrier vehicle track is connected to the upper rack, and the length of the carrier vehicle track is consistent with that of the upper rack; the arch transport vehicle comprises a stand column of a telescopic structure and an arch clamping device connected to the top of the stand column, wherein the height of the stand column is adjusted through a lifting oil cylinder.

6. The arch installing trolley for tunnel multi-work construction according to claim 1, wherein: the upper support and the lower support are of telescopic structures and are connected with lifting oil cylinders in a uniformly distributed mode, and the heights of the upper rack and the lower rack are adjusted along with the lifting oil cylinders.

7. The arch installing trolley for tunnel multi-work construction according to claim 1, wherein: the arch support rod is connected with an inclined support rod through a pin shaft, so that the arch support rod can be conveniently laid and erected.

8. The arch installing trolley for tunnel multi-work construction according to claim 1, wherein: the third longitudinal moving mechanism comprises a rack rail fixedly connected to the lower top plate, a rack support fixedly connected to the bottom of the upper support and arranged in the rack rail, a third riding wheel, a third riding rail, a third pulley arranged on two sides of the rack support and close to the rear end of the trolley, a third rack connected to the bottom of the rack support, and a third hydraulic motor and a third gear fixedly connected to the upper support, wherein the rack rail is of a groove structure assembled by two steel rails with cross sections in a [ -shape, the third gear is meshed with the third rack, the rack is driven by the third hydraulic motor to drive the gear rack, so that the rack support and the upper rack integrally move on the rack rail, the third riding rail is connected to the bottom of the rack support and arranged in parallel with the third rack, and the third riding wheel straddles the third riding rail and is fixedly connected to the upper support close to the front end of the trolley, the rack support is prevented from being separated from the rack rail when longitudinally moving, and the length of the rack rail is consistent with that of the rack.

9. The arch installing trolley for tunnel multi-work construction according to claim 1, wherein: two working arms are arranged and are arranged on the upper surface of the upper top plate in a positive mode; the working arm comprises a rack, a rotary component, an amplitude variation component, a basic arm frame and a telescopic arm frame, wherein the rack is connected with the upper top plate, the basic arm frame is connected with the rack through the rotary component and transversely reciprocates under the drive of the rotary component, the telescopic arm frame is connected with the basic arm frame through the amplitude variation component and vertically reciprocates under the drive of the amplitude variation component, and a telescopic oil cylinder is installed in the telescopic arm frame and longitudinally reciprocates under the drive of the telescopic oil cylinder, so that the working arm works in three freedom directions.

10. The arch installing trolley for tunnel multi-work construction according to claim 1, wherein: the working platform comprises a rack, a working platform, a fourth longitudinal moving mechanism, a third hydraulic motor, a fourth gear, a third gear, a fourth rack, a third hydraulic motor and a fourth gear, wherein the rack is arranged on the rack; the working platform is provided with a telescopic platform through the transverse oil cylinder connection, the telescopic platform is driven by the transverse oil cylinder to move transversely along one side of the working platform, away from the rack, the telescopic platform is located at the front end of the working platform, and the rear end of the working platform is provided with a frame ladder, so that a constructor can conveniently get on and off the trolley.

Technical Field

The invention relates to the technical field of tunnel construction, in particular to an arch center mounting trolley for tunnel multi-method construction.

Background

The tunnel construction site has poor environment and lower safety, and along with the great increase of domestic labor cost and increasingly strict requirements on tunnel construction safety, the tunnel construction is intelligent, informationized and mechanized. In the tunnel excavation process, the excavation section needs to be quickly and effectively supported in time, the problem of tunnel instability and collapse is avoided, and in the primary support of the weak surrounding rock of the tunnel, the rigidity of a primary support structure is often enhanced by adopting an arch frame. At present, the arch is mainly installed in two modes, one mode is manual installation, the position of the arch usually needs to be adjusted manually, only one arch can be installed at one time, the labor intensity is high, the number of workers is large, the installation efficiency is low, the safety coefficient is low, and the installation quality is difficult to control. In the other method, the arch is installed by using an arch installation three-arm trolley, but the arch installation three-arm trolley can only install one arch at a time, so that the installation efficiency is low.

Disclosure of Invention

The invention provides an arch center mounting trolley for tunnel multi-functional construction, which can realize quick mounting of three arch centers, and has high mounting efficiency and strong applicability.

The technical scheme adopted for realizing the above purpose of the invention is as follows:

an arch center mounting trolley for tunnel multi-work construction at least comprises a trolley body, an electric hydraulic system, a traveling mechanism and a supporting mechanism, wherein the electric hydraulic system is positioned on the trolley body and provides operation power for all components on the trolley, the traveling mechanism and the supporting mechanism are connected to the bottom of the trolley body, the trolley body comprises two racks and two working platforms, the two racks are an upper rack and a lower rack respectively, the upper rack comprises an upper top plate and an upper support which is fixedly connected to the lower portion of the upper top plate, the lower rack comprises a lower top plate and a lower support which is fixedly connected to the lower portion of the lower top plate, the upper rack is connected to the lower top plate through a third longitudinal moving mechanism, so that the upper rack is connected to the lower rack and enables the upper rack to move longitudinally along the lower rack, and the working platforms are connected to two sides of the racks in a hanging manner; the vehicle body is provided with an arch frame installation unit, the arch frame installation unit comprises an arch frame assembling vehicle, an arch frame transport vehicle, a cantilever crane, a first longitudinal moving mechanism, a second longitudinal moving mechanism, a mechanical arm, a working arm and an arch frame supporting rod, the arch frame assembling vehicle is used for pre-assembling a plurality of arch frames, the first longitudinal moving mechanism and the second longitudinal moving mechanism are both arranged on the rack and are arranged in parallel along the direction of the trolley, the second longitudinal moving mechanism is arranged on the outer side of the rack, the first longitudinal moving mechanism is arranged on the inner side of the rack, the left end and the right end of the arch frame assembling vehicle are both arranged on the first longitudinal moving mechanism and move longitudinally through the first longitudinal moving mechanism, the arch frame assembling vehicle comprises a frame, an arch frame supporting component and an assembling longitudinal moving component, the frame is integrally arched and comprises a rectangular top frame positioned at the top, the semi-arched supporting frames connected with the four corners of the top frame and longitudinal frames, and arranged along the direction of the trolley and connected between the two parallel supporting frames, the three is connected formula structure as an organic whole, bow member supporting component is the matrix distribution on the roof-rack, and the bow member supporting component who distributes along perpendicular to platform truck direction is a set of, and bow member supporting component is provided with more than three groups for support many pin crown arches, the bow member transport vechicle install on the second indulges the mechanism and indulge through the second and move the mechanism longitudinal movement, the cantilever crane sets up in the rear end of rack, and manipulator and bow member bracing piece installation are fixed in work platform's front end, and the bow member bracing piece is located the top of manipulator, and the front end of rack is fixed in the work arm installation.

The first longitudinal moving mechanism is of a double longitudinal moving structure and comprises a fixed rail, a sliding rail, a first supporting wheel, a first supporting rail, first pulleys, a first rack, a first hydraulic motor and a first gear, wherein the fixed rail is fixedly connected to the upper surface of an upper rack, the sliding rail is arranged in the fixed rail, the first pulleys are arranged on two sides of the sliding rail and are close to the rear end of a trolley, the first rack is connected to the bottom of the sliding rail, the first hydraulic motor and the first gear are fixedly connected to an upper support, the fixed rail is of a groove type structure formed by assembling two steel rails with cross sections in a [ -shape, the first gear is meshed with the first rack and drives the gear rack to transmit through the first hydraulic motor, so that the sliding rail moves on the fixed rail, the first supporting rail is connected to the bottom of the sliding rail and is arranged in parallel with the first rack, and the first supporting wheel straddles on the first supporting rail and is connected and fixed to the upper support close to the front end of the trolley, and the sliding rail is prevented from being separated from the fixed rail during longitudinal moving; the top of the sliding rail is provided with a top arch assembling vehicle rail, the top arch assembling vehicle is installed on the top arch assembling vehicle rail and longitudinally moves along the sliding rail, and the length of the sliding rail and the length of the top arch assembling vehicle rail are consistent with the length of the upper rack.

The arch frame jacking assembly comprises a jacking oil cylinder and a jacking piece connected to the top of the jacking oil cylinder and in a groove shape, the height of the jacking piece is adjusted through the jacking oil cylinder, the spliced car longitudinally-moving assembly comprises a longitudinally-moving frame arranged along the trolley direction and connected to the bottoms of the two parallel support frames, spliced car walking wheels arranged at the bottom of the longitudinally-moving frame, fifth hydraulic motors and motor output shaft gears which are fixedly connected to the side faces of the longitudinally-moving frame and fifth gears fixedly connected to the spliced car walking wheels, the spliced car walking wheels are straddled on the second longitudinally-moving mechanism, the motor output shaft gears are meshed with the fifth gears, and the fifth hydraulic motors drive the motor output shaft gears and the fifth gears to drive the integral longitudinal movement of the arch frame mounting car.

Two sides of the top frame, which are positioned at the front end and the rear end of the trolley, are connected with a transverse H-shaped telescopic joint through telescopic oil cylinders, more than one group of arch support assemblies are arranged on the telescopic joint, and the distance between the arch support assemblies on the telescopic joint and the arch support assemblies on the top frame is adjusted through the telescopic oil cylinders, so that the distance between every two arches is adjusted; the support frame is of a telescopic structure, and the height of the support frame is adjusted through a lifting oil cylinder connected between the longitudinal frame and the longitudinal moving frame.

The second longitudinal moving mechanism comprises an I-shaped carrier vehicle track, a carrier vehicle support saddle on the carrier vehicle track, carrier vehicle traveling wheels arranged at the bottom of the carrier vehicle support saddle, a second hydraulic motor and a motor output shaft gear which are fixedly connected and positioned on the working arm support saddle, and a second gear fixedly connected on the carrier vehicle traveling wheels, wherein the carrier vehicle support saddle is fixedly connected with the arch carrier vehicle, the motor output shaft gear is meshed with the second gear, the second hydraulic motor drives the motor output shaft gear and the second gear to transmit and drive the arch carrier vehicle to integrally and longitudinally move, the carrier vehicle track is connected to the upper rack, and the length of the carrier vehicle track is consistent with that of the upper rack; the arch transport vehicle comprises a stand column of a telescopic structure and an arch clamping device connected to the top of the stand column, wherein the height of the stand column is adjusted through a lifting oil cylinder.

The upper support and the lower support are of telescopic structures and are connected with lifting oil cylinders in a uniformly distributed mode, and the heights of the upper rack and the lower rack are adjusted along with the lifting oil cylinders.

The arch support rod is connected with an inclined support rod through a pin shaft, so that the arch support rod can be conveniently laid and erected.

The third longitudinal moving mechanism comprises a rack rail fixedly connected to the lower top plate, a rack support fixedly connected to the bottom of the upper support and arranged in the rack rail, a third riding wheel, a third riding rail, a third pulley arranged on two sides of the rack support and close to the rear end of the trolley, a third rack connected to the bottom of the rack support, and a third hydraulic motor and a third gear fixedly connected to the upper support, wherein the rack rail is of a groove structure assembled by two steel rails with cross sections in a [ -shape, the third gear is meshed with the third rack, the rack is driven by the third hydraulic motor to drive the gear rack, so that the rack support and the upper rack integrally move on the rack rail, the third riding rail is connected to the bottom of the rack support and arranged in parallel with the third rack, and the third riding wheel straddles the third riding rail and is fixedly connected to the upper support close to the front end of the trolley, the rack support is prevented from being separated from the rack rail when longitudinally moving, and the length of the rack rail is consistent with that of the rack.

Two working arms are arranged and are arranged on the upper surface of the upper top plate in a positive mode; the working arm comprises a rack, a rotary component, an amplitude variation component, a basic arm frame and a telescopic arm frame, wherein the rack is connected with the upper top plate, the basic arm frame is connected with the rack through the rotary component and transversely reciprocates under the drive of the rotary component, the telescopic arm frame is connected with the basic arm frame through the amplitude variation component and vertically reciprocates under the drive of the amplitude variation component, and a telescopic oil cylinder is installed in the telescopic arm frame and longitudinally reciprocates under the drive of the telescopic oil cylinder, so that the working arm works in three freedom directions.

The working platform comprises a rack, a working platform, a fourth longitudinal moving mechanism, a third hydraulic motor, a fourth gear, a third gear, a fourth rack, a third hydraulic motor and a fourth gear, wherein the rack is arranged on the rack; the working platform is provided with a telescopic platform through the transverse oil cylinder connection, the telescopic platform is driven by the transverse oil cylinder to move transversely along one side of the working platform, away from the rack, the telescopic platform is located at the front end of the working platform, and the rear end of the working platform is provided with a frame ladder, so that a constructor can conveniently get on and off the trolley.

Compared with the prior art, the arch center mounting trolley for tunnel multi-functional construction provided by the invention has the following advantages: 1. the arch center mounting trolley provided by the invention can realize quick mounting of three arch centers and has higher mounting efficiency. 2. The arch center mounting trolley provided by the invention can meet the arch center mounting requirements in various construction methods such as a full section method, a two-step method, a three-step method and the like, and has strong adaptability. 3. The lower part of the arch center mounting trolley provided by the invention can be freely used for a slag discharging vehicle to enter and exit, so that the parallel operation of slag discharging and arch center mounting is realized, the tunnel construction efficiency is improved, and the construction cost is reduced.

Drawings

FIG. 1 is a three-dimensional structure diagram of an arch installing trolley for tunnel multi-functional construction provided by the invention;

FIG. 2 is a block diagram of the gantry and work platform of the present invention;

FIG. 3 is a structural view of a third longitudinal movement mechanism according to the present invention;

wherein (a) is a side view of the third longitudinal moving mechanism, and (b) (c) (d) are both cross-sectional views of the third longitudinal moving mechanism;

FIG. 4 is a view showing the construction of the working platforms on both sides of the upper stage in the present invention;

FIG. 5 is a block diagram of the working arm of the present invention;

FIG. 6 is a view of the construction of the cantilever crane, the manipulator and the arch support bar of the present invention;

wherein (a) is a cantilever crane, (b) is a manipulator, and (c) is an arch support rod;

FIG. 7 is a block diagram of an arch transport vehicle and a second longitudinal movement mechanism of the present invention;

FIG. 8 is a structural view of a first longitudinal movement mechanism in the present invention;

wherein (a) is a side view of the first longitudinal movement mechanism, and (b) (c) (d) are cross-sectional views of the first longitudinal movement mechanism;

FIG. 9 is a perspective view of the first longitudinal movement mechanism of the present invention in a different direction;

FIG. 10 is a perspective view of the assembled roof arch vehicle of the present invention in different directions;

FIG. 11 is a structural view of a running gear of the present invention, wherein (a) (b) are perspective views in different directions;

FIG. 12 is a structural view of a support mechanism of the present invention;

in the figure: 1-a rack, 101-an upper rack, 1011-an upper top plate, 1012-an upper bracket, 102-a lower rack, 1021-a lower top plate, 1022-a lower bracket, 103-a third longitudinal movement mechanism, 1031-a rack rail, 1032-a rack support, 1033-a third riding wheel, 1034-a third riding rail, 1035-a third pulley, 1036-a third rack, 1037-a third hydraulic motor, 1038-a third gear and 104-a lifting cylinder A;

20-a working platform, 21-a suspension bracket, 22-a telescopic platform, 23-a transverse moving oil cylinder, 24-a frame ladder, 200-a fourth longitudinal moving mechanism, 201-a platform track and 202-a suspension disc;

31-top arch assembly vehicle, 311-vehicle frame, 3111-top frame, 3112-support frame, 3113-longitudinal frame, 312-arch frame jacking assembly, 3121-jacking cylinder, 3122-jacking piece, 313-assembly vehicle longitudinal moving assembly, 3131-longitudinal moving frame, 3132-assembly vehicle travelling wheel, 3133-fifth hydraulic motor, 314-telescopic joint, 315-lifting cylinder B;

32-a first longitudinal moving mechanism, 321-a fixed rail, 322-a sliding rail, 323-a first riding wheel, 324-a first riding rail, 325-a first pulley, 326-a first rack, 327-a first hydraulic motor, 328-a first gear and 329-a top arch assembled vehicle track;

33-an arch frame transport vehicle, 331-an upright post, 332-an arch frame clamping device, 34-a second longitudinal moving mechanism, 341-a transport vehicle track, 342-a transport vehicle support, 35-a cantilever crane and 36-a manipulator;

37-a working arm, 371-a frame, 372-a rotary component, 373-an amplitude-changing component, 374-a basic arm support and 375-a telescopic arm support;

38-arch support bar, 39-diagonal support bar;

4-running gear, 401-steering assembly, 402-suspension assembly, 403-tires, 404-drive motor, 405-axle; 5-a supporting mechanism, 501-a connecting seat, 502-a supporting oil cylinder and 503-a supporting seat.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

The integral structure of the arch installing trolley for tunnel multi-functional construction, provided by the invention, is shown in figure 1, and comprises a trolley body, an electric hydraulic system, a traveling mechanism 4, a supporting mechanism 5 and an arch installing unit, wherein the electric hydraulic system is positioned on the trolley body and is used for providing operation power for all components on the trolley, the traveling mechanism 4 and the supporting mechanism 5 are connected to the bottom of the trolley body, and the trolley body comprises a rack 1 and a working platform 20.

In this embodiment, two racks 1 are vertically arranged, which are an upper rack 101 and a lower rack 102, the upper rack includes an upper top plate 1011 and an upper rack 1012 connected and fixed under the upper top plate, the lower rack includes a lower top plate 1021 and a lower rack 1022 connected and fixed under the lower top plate, and the upper rack is connected to the lower top plate through a third longitudinal movement mechanism 103, so that the upper rack is connected to the lower rack and the upper rack moves longitudinally along the lower rack; the upper support and the lower support are of telescopic structures and are connected with lifting oil cylinders A104 in a uniformly distributed mode, so that the heights of the upper rack and the lower rack are adjusted along with the lifting oil cylinders. The structure of the rack is shown in fig. 2, and two lifting oil cylinders are respectively arranged on the left side and the right side of the upper rack and the lower rack. When the arch installing trolley is in construction, the upper rack can move forwards longitudinally by 0-4 m through the longitudinal moving mechanism, in addition, the height of each rack can be adjusted by 0-1 m, the overall height of the arch installing trolley can be adjusted by 0-2 m, and the full-section construction can be met while the step construction can be adapted. In addition, the height of the lower rack can reach 3.5-4.5 m (including the height of the walking mechanism) through the lifting oil cylinder, and after drilling and blasting are completed, the slag discharging vehicle can enter an excavation surface from the lower part of the lower rack and discharge slag, so that parallel operation of slag discharging and arch center installation is realized, the tunnel construction efficiency is improved, and the construction cost is reduced.

The third longitudinal moving mechanism 103 comprises a rack rail 1031 fixed on the lower top plate, a rack support 1032 fixed on the bottom of the upper support and arranged in the rack rail, a third riding wheel 1033, a third riding rail 1034, a third pulley 1035 arranged on two sides of the rack support and close to the rear end of the trolley, a third rack 1036 connected to the bottom of the rack support, and a fixedly connected third hydraulic motor 1037 and a third gear 1038 connected to the upper support, wherein the rack rail is a groove structure assembled by two steel rails with cross sections in a shape of [, the third gear is meshed with the third rack, the rack transmission is driven by the third hydraulic motor to enable the rack support and the upper support to integrally move on the rack rail, the structure of the third longitudinal moving mechanism is as shown in figure 3, the third riding rail is connected to the bottom of the rack support and arranged in parallel with the third rack, the third riding wheel straddles the third riding rail and is connected and fixed on the upper support close to the front end of the trolley, the rack support is prevented from being separated from the rack rail when longitudinally moving, and the length of the rack rail is consistent with that of the rack.

The working platform 20 is connected to two sides of the rack in a hanging manner, specifically, a hanging frame 21 is connected to one side of the working platform, and the working platform is connected to the rack through the hanging frame, and the structure of the working platform is as shown in fig. 2 and 4; the suspension bracket is connected to two sides of the rack in a hanging manner through a fourth longitudinal moving mechanism 200 to enable the working platform to move longitudinally along the rack, the fourth longitudinal moving mechanism comprises a platform rail 201 connected to the side face of the rack, four racks arranged in the platform rail, suspension discs 202 which are distributed on the suspension bracket and clamped in the platform rail, a fourth hydraulic motor and a fourth gear, the fourth hydraulic motor and the fourth gear are fixedly connected to the suspension bracket, the platform rail is of a groove type structure, the two platform rails are arranged in parallel, the two rows of the suspension discs are distributed in parallel at corresponding positions, the fourth gear is meshed with the fourth rack, and the gear rack is driven by the fourth hydraulic motor to enable the suspension bracket to move on the platform rail, so that the working platform moves along the rack; the working platforms on the two sides of the upper rack are both provided with two layers, and the working platforms on the two sides of the lower rack are both provided with one layer; the working platform is provided with a telescopic platform through the transverse moving oil cylinder connection, the telescopic platform 22 is driven by the transverse moving oil cylinder 23 to move transversely along one side of the working platform, which is far away from the rack, the telescopic platform is located at the front end of the working platform, the integral longitudinal moving distance of the working platform is 0-4 m in the embodiment, the telescopic platform is provided with 4m, and the transverse moving distance is 0-4 m, so that the powder filling operation of different tunnel construction methods is met. The rear end of the working platform is provided with a frame ladder 24, so that constructors can get on and off the trolley conveniently.

The arch center mounting unit comprises a top arch assembling vehicle 31 for pre-assembling a plurality of top arches, an arch center transport vehicle 33, a cantilever crane 35, a first longitudinal moving mechanism 32, a second longitudinal moving mechanism 34, a manipulator 36, a working arm 37 and an arch center support rod 38, wherein the working arm is provided with two working arms which are respectively and positively mounted and fixed at the front end of the rack and positioned on the upper surface of the upper top plate, the position of the working arm is shown in figure 1, the working arm comprises a rack 371, a rotary component 372, an amplitude-changing component 373, a base arm frame 374 and a telescopic arm frame 375, the rack is connected with the upper top plate, the base arm frame is connected with the rack through the rotary component and driven by the rotary component to transversely reciprocate, the telescopic arm frame is connected with the base arm frame through the amplitude-changing component and driven by the amplitude-changing component to reciprocate in the vertical direction, a telescopic oil cylinder is mounted in the telescopic arm frame and driven by the telescopic oil cylinder to longitudinally reciprocate, the working arm is made to work in three degrees of freedom, and the structure of the working arm is shown in fig. 5. When the arch center is installed, the working arm is connected with a grabbing hand working accessory, so that the working arm is matched with manual work to sequentially grab the side arches to approximate positions and lean against the side wall of the tunnel.

The manipulator and the arch support rod are both installed and fixed on the telescopic platforms of the working platforms on the two sides of the upper rack and are both located at the front ends of the telescopic platforms, the arch support rod is located on the upper-layer telescopic platform, and the manipulator is located on the lower-layer working platform. The manipulator has three degrees of freedom, can realize the side and encircle snatch, lift etc. supplementary installation action, replace the manual work to realize the side and encircle with the work such as hole aligning, adjustment of top arch, effectively use manpower sparingly, improve work efficiency. The arch support rod is connected with an inclined support rod 39 through a pin shaft, the pin shaft is installed when the arch is installed, the arch support rod is erected, the pin shaft is pulled out after the arch is installed, the arch support rod is laid flat, workers can conveniently pass through and operate, and the arch support rod is used for supporting the top arch when the top arch is connected with the side arch in a hole-to-hole mode. The cantilever crane is arranged at the rear end of the upper rack and used for lifting the crown arch, and in the embodiment, the cantilever crane is provided with a 1t electric hoist. The installation position of the arch installation unit on the upper rack and the working platform is shown in figure 1, and the structure of the cantilever crane, the manipulator and the arch support rod is shown in figure 6.

The first longitudinal moving mechanism and the second longitudinal moving mechanism are both arranged on the upper rack and are arranged in parallel along the direction of the trolley, the second longitudinal moving mechanism is arranged on the outer side of the upper rack, the first longitudinal moving mechanism is arranged on the inner side of the upper rack, the left end and the right end of the top arch assembly vehicle are both arranged on the first longitudinal moving mechanism and move longitudinally through the first longitudinal moving mechanism, the arch frame transport vehicle is arranged on the second longitudinal moving mechanism and moves longitudinally through the second longitudinal moving mechanism, in the embodiment, the second longitudinal moving mechanism 34 comprises an I-shaped transport vehicle track 341, a transport vehicle support 342 straddling on the transport vehicle track, a transport vehicle wheel arranged at the bottom of the transport vehicle support, a second hydraulic motor and a motor output shaft gear which are fixedly connected on the working arm support, and a second gear fixedly connected on the transport vehicle travel wheel, the transport vehicle support is fixedly connected with the arch frame transport vehicle, and the motor output shaft gear is meshed with the second gear, the second hydraulic motor drives the motor output shaft gear and the second gear to drive and drive the whole arch frame transport vehicle to longitudinally move, the transport vehicle track is connected to the upper rack, and the length of the transport vehicle track is consistent with that of the upper rack. The arch transport vehicle 33 comprises a column 331 of a telescopic structure and an arch clamping device 332 connected to the top of the column, wherein the height of the column is adjusted by a lifting cylinder. The cantilever crane places the lifted top arch on the arch carrier vehicle, and the height of the arch carrier vehicle is adjusted to be lower after the arch carrier vehicle is longitudinally moved to the position corresponding to the top arch assembly vehicle, so that the top arch is placed on the top arch assembly vehicle, and the structures of the arch carrier vehicle and the second longitudinal movement mechanism are shown in fig. 7.

First indulge and move mechanism 32 and indulge the structure for dual, can realize that slide rail and top arch assembly car wholly move on last rack, can also realize that the top arch assembly car moves on the slide rail. The first longitudinal moving mechanism comprises a fixed rail 321 fixedly connected to the upper surface of the upper rack, a slide rail 322 arranged in the fixed rail, a first supporting wheel 323, a first supporting rail 324, a first pulley 325 arranged on two sides of the slide rail and close to the rear end of the trolley, a first rack 326 connected to the bottom of the slide rail, a first hydraulic motor 327 and a first gear 328 which are fixedly connected to the upper support, wherein the fixed rail is a groove structure assembled by two steel rails with cross sections in a [ -shape, the first gear is meshed with the first rack, the slide rail moves on the fixed rail by driving the rack through the first hydraulic motor, the first supporting rail is connected to the bottom of the slide rail and arranged in parallel with the first rack, and the first supporting wheel straddles the first supporting rail and is connected and fixed to the upper support close to the front end of the trolley, so as to prevent the slide rail from separating from the fixed rail during longitudinal moving; the top of the slide rail is provided with a top arch assembly vehicle rail 329, the top arch assembly vehicle is installed on the top arch assembly vehicle rail and moves longitudinally along the slide rail, the length of the slide rail and the length of the top arch assembly vehicle rail are consistent with the length of the upper rack, and the connection structure of the slide rail and other components in the first longitudinal movement mechanism is shown in fig. 8 and 9.

Top arch assembly car 31 indulges and moves subassembly 313 including wholly being arched frame 311, bow member jacking subassembly 312 and assembly car, the frame is including being the roof-rack 3111 of rectangle, being semi-arch support frame 3112 and the connection in the vertical frame 3113 between two parallel support frames that sets up along the platform truck direction that is located the top, and the three connects formula structure as an organic whole, bow member jacking subassembly is the matrix distribution on the roof-rack, and bow member jacking subassembly along the distribution of perpendicular to platform truck direction is a set of, and bow member jacking subassembly is provided with more than three groups, the both sides that lie in the platform truck front and back end on the roof-rack are connected with through telescopic cylinder and are the telescopic joint 314 of "]" type, are provided with more than a set of bow member jacking subassembly on the telescopic joint, adjust the distance between the bow member jacking subassembly on the telescopic joint and the bow member jacking subassembly on the roof-rack through telescopic cylinder. In the embodiment, three groups of arch jacking assemblies are arranged on the top frame, the distance between each group of arch jacking assemblies is 0.6m, a group of arch jacking assemblies are respectively arranged on the telescopic joints at two sides and used for installing three arches with the arch jacking assembly positioned in the middle on the top frame, the assembly of the top three arches and the integral erection of the arch can be realized, and the distance between each arch can be adjusted to be 0.6-1.2 m, so that the requirements of erection under different working conditions are met. The support frame is of a telescopic structure, and the height of the support frame is adjusted through a lifting oil cylinder B315 connected between the longitudinal frame and the longitudinal moving frame. The arch frame jacking assembly comprises a jacking oil cylinder 3121 and a groove-shaped jacking piece 3122 connected to the top of the jacking oil cylinder, the height of the jacking piece is adjusted through the jacking oil cylinder, the spliced car longitudinal movement assembly comprises longitudinal movement frames 3131 connected to the bottoms of the two parallel support frames and arranged along the direction of the trolley, spliced car walking wheels 3132 installed at the bottoms of the longitudinal movement frames, fifth hydraulic motors 3133 and motor output shaft gears which are installed on the side faces of the longitudinal movement frames and fixedly connected with each other, and fifth gears fixedly connected to the spliced car walking wheels, the spliced car walking wheels straddle the second longitudinal movement mechanism, the motor output shaft gears are meshed with the fifth gears, the fifth hydraulic motors drive the motor output shaft gears and the fifth gears to drive the arch frame installing car to integrally and longitudinally move, and the structure of the top arch spliced car is shown in fig. 10.

The traveling mechanism 4 is of a tire type or crawler type structure, the traveling mechanism is of a tire type structure in the embodiment, as shown in fig. 11, the traveling mechanism comprises a steering assembly 401, a suspension assembly 402, tires 403, a driving motor 404 and an axle 405, the steering assembly can realize functions of longitudinal movement, transverse movement, steering and the like of the whole trolley through a driving motor slewing bearing, and the suspension assembly is automatically adjusted through a suspension oil cylinder, so that the tire stress balance is ensured, and the vehicle can adapt to uneven road surfaces. In addition, the crawler-type structure can be selected and matched according to needs, and the crawler-type walking mechanism is stronger in load bearing capacity and climbing capacity. The supporting mechanism 5 comprises a connecting seat 501, a supporting oil cylinder 502 and a supporting seat 503, the trolley supports the ground and stabilizes the trolley during working, and the structure of the supporting seat in this embodiment is shown in fig. 12.

The arch center mounting trolley for tunnel construction provided by the invention performs arch center mounting operation, and comprises the following steps: and a cantilever crane at the rear end of the trolley hoists one top arch on arch frame transport vehicles at two sides of the trolley, the two arch frame transport vehicles synchronously move through a second longitudinal moving mechanism and carry the top arch to a position on the same straight line with a group of arch frame jacking assemblies on the top arch assembly vehicle, the height of each arch frame transport vehicle is reduced, so that the top arch is placed on the group of arch frame jacking assemblies, the arch frame transport vehicles move to the rear end of the trolley again, the operation is circulated until the top arch assembly vehicle is placed with three arch frames, and the distance between every two arch frames is adjusted through an expansion joint. After the slag tapping operation in tunnel construction is completed, the trolley is moved to an arch frame installation position, side arches are grabbed to a side wall through a working arm connected with a grabbing hand-made tool, the top arch assembly vehicle is moved to the same straight line with an arch frame supporting rod through a first longitudinal moving mechanism, the height of the top arch assembly vehicle is adjusted, one of the top arches is placed on the arch frame supporting rod, then one side arch is grabbed through a mechanical arm, the position items of the side arch and the top arch are adjusted to correspond, after the butt joint of the side arch and the top arch is completed, the arch frame and a mesh sheet are welded manually, and therefore the arch frame installation operation is completed. The third longitudinal moving mechanism and the first longitudinal moving structure of the double longitudinal moving structure can meet the requirement of a full section method and a step method on the installation distance of the arch frame, wherein in the step method, the first longitudinal moving structure of the double longitudinal moving structure can realize that the trolley is integrally positioned in front of a construction surface, and the roof arch assembling vehicle can directly longitudinally move to the upper step, so that the installation of the arch frame on the upper step is realized. In addition, the arch assembling vehicle can realize the height adjustment of arch center installation through the support frame with the telescopic structure and the arch center jacking assembly, so that the arch assembling vehicle can meet the arch center installation construction of step methods with different heights, and the applicability is strong.