阅读说明：本技术 一种用于小断面隧道内卸料的轮式起重机 (Wheel crane for discharging in small-section tunnel ) 是由 余南山 蒋尚志 刘其成 侯博海 鲁文博 周浩 颜学芬 刘康宇 于 2020-06-17 设计创作，主要内容包括：本发明公开了一种用于小断面隧道内卸料的轮式起重机,包括起重机主要分为门架、行走、转向、吊装及动力五大系统,门架系统由框架横梁、立柱和升降油缸组成,行走系统由行走横梁、行走驱动桥、制动桥、行走轮胎组成,转向系统由转向油缸、行走架绕回转支承组成,吊装系统由吊装横梁、吊具组成,动力系统由蓄电池、电机控制箱、电动机、液压泵等组成。整个起重机的升降、行走、转向及吊装通过驾驶操作面板控制。本专利解决了小断面隧道内各类材料难以高效率卸车的问题,而且整体工作性能强、安全性高、操作简单、实用性强。(The invention discloses a wheel crane for discharging in a small-section tunnel, which mainly comprises five major systems of a gantry, a walking system, a steering system, a hoisting system and a power system, wherein the gantry system comprises a frame beam, a stand column and a lifting oil cylinder, the walking system comprises a walking beam, a walking drive axle, a brake axle and a walking tire, the steering system comprises a steering oil cylinder and a walking frame and a slewing bearing, the hoisting system comprises a hoisting beam and a hoisting tool, and the power system comprises a storage battery, a motor control box, a motor, a hydraulic pump and the like. The lifting, walking, steering and hoisting of the whole crane are controlled by a driving operation panel. This patent has solved the problem that all kinds of materials are difficult to the high efficiency and unload in the small cross section tunnel, and whole working property is strong moreover, the security is high, easy operation, practicality are strong.)

1. A wheeled crane for discharging in a small-section tunnel is characterized by comprising an operating platform (1), a portal frame (8), a traveling system, a steering system, a hoisting system and a power system;

the portal (8) consists of a transverse moving main beam, four height-variable upright post supporting leg beams and longitudinal beams, all the beams are connected by high-strength bolts, the transverse moving main beam adopts a steel box beam structure form, a walking track and a buffer stop block are arranged on the transverse moving main beam, the left and right movement of 400mm can be realized, and height-variable mechanisms are arranged outside the four height-variable upright posts and consist of telescopic posts, telescopic sleeves and upright post oil cylinders (5);

the walking system consists of a walking beam, a walking drive axle, a brake axle and a walking wheel set (4), wherein the walking wheel set (4) comprises 4 wheel sets, 2 of the 4 wheel sets are driving wheel sets, 2 of the driving wheel sets are driven wheel sets, and the driving wheel sets mainly consist of a hydraulic driving motor, a walking speed reducer, a wheel load and tires;

the steering system consists of a sensor, a controller, a hydraulic power station (2), a steering oil cylinder (3) and a slewing mechanism, the steering wheel positioned on the operating platform (1) is controlled to control the steering of the wheel crane, the size and the direction of the steering angle of the crane are finally controlled through the signal output value of the steering wheel, the size of the steering angle is adjusted through controlling the telescopic amount of the steering oil cylinder (3), and the front and rear travelling wheel sets can steer at any angle and turn at 90 degrees;

the hoisting system consists of a hoisting beam (9) and a hoisting tool, the hoisting tool is a group of two hoist lifting hooks (12) and is arranged on a traveling track of the hoisting beam (9), and the two hoist lifting hooks (12) can be controlled independently and in linkage;

the power system consists of a storage battery panel (7), an electrical control box (11), a hydraulic control box (10) and a motor, wherein the crane is provided with the motor by itself, arranged on the side of the crane and connected with a direct current charging seat of the high-voltage box by a cable.

2. The wheeled crane for discharging in a small-section tunnel according to claim 1, wherein the legs can be moved to a height by controlling the amount of extension and retraction of the mast cylinders (5).

3. A wheeled crane for discharging in a small cross section tunnel according to claim 1, characterized in that the running surface of the wheeled crane outside the tunnel is a plane, the running surface in the tunnel is a circular curved surface, and the tire angle of the running wheel group (4) can be adjusted within the range of 0-60 ° to adapt to different working environments.

4. A wheeled crane for discharging in a small-section tunnel according to claim 3, characterized in that the traveling wheel set (4) controls the steering cylinder (3) of the crane to drive the traveling frame to rotate around the slewing bearing by the steering angle and the direction through the signal output value of the steering wheel when the traveling wheel set is steered, so that the traveling direction of the crane is consistent with the tangential direction of the tunnel.

5. The wheeled crane for discharging in a small-section tunnel according to claim 4, characterized in that an infrared limit sensor is arranged outside the traveling wheel set (4) to detect obstacles encountered during traveling.

6. The wheel crane for discharging in a small-section tunnel according to claim 1, wherein the hoisting beam (9) can move 500mm left and right through the traversing cylinder (6), and the two hoist hooks (12) arranged on the hoisting beam (9) can be controlled independently and in a linkage manner.

Technical Field

The invention relates to the technical field of tunnel construction, in particular to a wheel crane for discharging in a small-section tunnel.

Background

With the expansion and development of domestic cities, small-diameter tunnels are rapidly developed as an important way for relieving urban pollution discharge and drainage pressure, and during construction in the tunnels, the efficiency of short-distance material transportation and unloading directly influences the progress of engineering.

The conventional tunnel diameter is great, and required material transportation and unloading in the tunnel can adopt conventional methods such as small-size vehicle, artifical transportation to go on, and when the tunnel diameter was less than 4m, conventional hoist such as small-size vehicle can't put into use, and the efficiency of artifical transportation is too low, is not suitable for.

Aiming at the unloading condition of the small-diameter tunnel construction material, the conventional method has more limitations, high cost and non-ideal work efficiency condition, and the construction period is seriously influenced.

Disclosure of Invention

In order to overcome the technical defect that a conventional crane cannot be put into use in the prior art for the unloading operation of a small-diameter tunnel construction material, the invention provides the wheel crane for unloading in the small-section tunnel, wherein the outer walking surface of the tunnel is a plane, the inner walking surface of the tunnel is a circular curved surface, and the tire angle of the walking wheel set can be adjusted within the range of 0-60 degrees so as to adapt to different working environments, so that the technical problem is solved.

The invention achieves the aim through the following technical scheme, and the wheel crane for discharging in the small-section tunnel comprises an operation platform, a portal frame, a traveling system, a steering system, a hoisting system and a power system.

The portal comprises sideslip girder, four variable high stand landing leg roof beams and longerons, adopts high-strength bolted connection between each roof beam, and the sideslip girder adopts steel box girder structural style, is equipped with walking track, buffer stop on it, can realize respectively 400 mm's removal about can realizing, is favorable to the lifting hook to deposit the material by the side, can satisfy the less hoist and mount requirement in space. The four height-variable supporting legs are externally provided with height-variable mechanisms which comprise telescopic columns, telescopic sleeves and upright oil cylinders, and operators can control the telescopic amount of the upright oil cylinders in a cab to realize height adjustment, so that the main frame is ensured to work in a horizontal state under different cross slope conditions, and the construction capacity and the passing capacity of the gantry crane on a tunnel walking channel with height difference on two sides of a circuit are improved.

The traveling system comprises walking crossbeam, walking transaxle, brake bridge and walking wheel group, 4 wheelsets total of walking wheelset, 2 wherein are driving wheel group, and 2 are driven wheelsets, and driving wheel group mainly comprises hydraulic drive motor, walking speed reducer, wheel load and tire. The outer side of each wheel set is provided with infrared limiting, when the gantry crane is in operation with an obstacle, the gantry crane can automatically stop to prevent the running wheel set and the anti-collision force, and the driving wheel set mainly comprises a hydraulic driving motor, a running speed reducer, a wheel load, tires and the like

The steering system consists of a sensor, a controller, a hydraulic power station, a steering oil cylinder and a swing mechanism, controls a steering wheel positioned on an operation platform to control the steering of the wheel crane, finally controls the size and the direction of a steering angle of the crane through a signal output value of the steering wheel, and adjusts the size of the steering angle through controlling the telescopic amount of the steering oil cylinder, so that the front and rear traveling wheel sets can steer at any angle and turn at 90 degrees.

The hoisting system consists of a hoisting beam and a hoisting tool, the hoisting tool is a group of two hoist lifting hooks and is arranged on a traveling track of the hoisting beam, and the two hoist lifting hooks can be independently controlled and can be controlled in a linkage manner, so that different hoisting requirements are met. By applying a secondary positioning method combining the whole machine walking and the longitudinal fine adjustment of the lifting appliance, the quick and accurate positioning of the lifting is ensured by controlling the handle with high precision.

The power system consists of a storage battery panel, an electric control box, a hydraulic control box and a motor, wherein the crane is provided with the motor by itself, arranged on the side of the crane and connected with a direct current charging seat of the high-voltage box by a cable.

The supporting leg can realize height-changing action by controlling the telescopic amount of the upright column oil cylinder.

The wheel crane for discharging in the small-section tunnel is characterized in that the running surface of the wheel crane outside the tunnel is a plane, the running surface in the tunnel is a circular curved surface, and the tire angle of the running wheel set can be adjusted within the range of 0-60 degrees to adapt to different working environments.

When the travelling wheel set turns, the signal output value of the steering wheel controls the steering oil cylinder of the crane to drive the travelling frame to rotate around the slewing bearing by the steering angle, so that the travelling direction of the crane is consistent with the tangential direction of the tunnel.

The wheel crane for discharging in the small-section tunnel is characterized in that the infrared limiting sensor is arranged on the outer side of the walking wheel set, and the infrared limiting sensor is used for detecting obstacles encountered in the advancing process.

The wheel crane for discharging in the small-section tunnel is characterized in that the hoisting beam can move by 500mm left and right through the transverse oil cylinder, and the two hoist lifting hooks arranged on the hoisting beam can be controlled independently and in linkage.

Generally, compared with the prior art, the technical scheme of the invention can achieve the following beneficial effects: the invention discloses a wheel crane for discharging in a small-section tunnel, which is characterized in that the lifting, walking, steering and hoisting operations are controlled by a driving operation panel, the walking surface outside the tunnel is a plane, the walking surface in the tunnel is a circular curved surface, the tire angle of a walking wheel set can be adjusted within the range of 0-60 degrees to adapt to different working environments, the technical problem that the traditional crane cannot discharge in the small-section tunnel with high efficiency is solved, the operation is simple, and the safety performance is high.

Drawings

The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:

fig. 1 is a schematic overall structure diagram of a wheel crane for discharging in a small-section tunnel according to the invention;

figure 2 is a front view of a wheeled crane of the invention for unloading in small section tunnels;

figure 3 is a left side view of a wheeled crane of the present invention for unloading in a small section tunnel;

figure 4 is a top view of a wheeled crane of the invention for unloading in a small section tunnel;

FIG. 5 is a schematic view of the construction of the wheel crane in a tunnel according to the present invention;

in the figure: the method comprises the following steps of 1-an operation table, 2-a hydraulic power station, 3-a steering oil cylinder, 4-a traveling wheel, 5-an upright oil cylinder, 6-a transverse moving oil cylinder, 7-a lithium battery panel, 8-a gantry, 9-a hoisting beam, 10-a hydraulic control box, 11-an electric control box and 12-a hoist lifting hook.

Detailed Description

As shown in fig. 1 to 4, the wheel crane for discharging in a small section tunnel has a schematic overall structure, a front view, a left side view and a top view, and comprises an operation platform 1, a gantry 8, a walking system, a steering system, a hoisting system and a power system.

The portal 8 is composed of a transverse moving main beam, four height-variable upright post supporting leg beams and longitudinal beams, the beams are connected through high-strength bolts, the transverse moving main beam is in a steel box beam structure form, a walking track and a buffering stop block are arranged on the transverse moving main beam, the left and right movement of 400mm can be realized, and height-variable mechanisms are arranged outside the four height-variable upright posts and composed of telescopic posts, telescopic sleeves and upright post oil cylinders 5.

The traveling system comprises walking crossbeam, walking drive axle, brake axle and walking wheel group 4, and 4 total 4 wheelsets of walking wheel group, 2 of them are driving wheel group, and 2 are driven wheelsets, and driving wheel group mainly comprises hydraulic drive motor, walking speed reducer, wheel load and tire.

The steering system consists of a sensor, a controller, a hydraulic power station 2, a steering oil cylinder 3 and a swing mechanism, controls a steering wheel on an operation platform 1 to control the steering of the wheel crane, finally controls the size and the direction of the steering angle of the crane through the signal output value of the steering wheel, and adjusts the size of the steering angle through controlling the telescopic amount of the steering oil cylinder 3, so that the front and rear traveling wheel sets can steer at any angle and turn at 90 degrees.

The hoisting system consists of a hoisting beam 9 and a hoisting tool, the hoisting tool is a group of two hoist lifting hooks 12 and is arranged on a traveling track of the hoisting beam 9, and the two hoist lifting hooks 12 can be controlled independently and in linkage.

The power system consists of a storage battery panel 7, an electrical control box 11, a hydraulic control box 10 and a motor, wherein the crane is provided with the motor by itself, is arranged at the side of the crane and is connected with a direct current charging seat of the high-voltage box by adopting a cable.

The wheel crane for discharging in the small-section tunnel has the following processing, production and hoisting operation flows.

The processing and production flow comprises the following steps: firstly, preparing various parts, including hydraulic oil cylinders, profile processing and other matched parts; assembling according to a drawing, namely assembling the portal frame 8, and then perfecting all parts in sequence; after the assembly is finished, checking and accepting are required, wherein the checking and accepting comprises appearance and appearance inspection, part and performance parameter qualification inspection, hoisting test debugging inspection; all the ingredients are put into use after being accepted.

Hoisting operation flow: after the assembly and debugging of the wheel crane on the ground are finished, the wheel crane is hung underground and enters a traveling region to be unloaded, the upright post oil cylinder 5 is adjusted to meet the space requirements of different tunnels, materials are transported to the vicinity of a unloading region in the tunnel through a shield matched storage battery car and a flat car, the wheel crane travels to a flat car material stacking region, the materials are sequentially lifted, translated and unloaded according to the requirement of a scheme, after the unloading of the materials in the section is finished, the crane follows a facility dismantling working face in the tunnel to move to the next unloading region, the materials are sequentially and circularly constructed to a tunnel outlet, and the material unloading process in the section is finished. Fig. 5 is a schematic view of the construction of the wheel crane in the tunnel.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.