Mining vertical arch frame trolley

Abstract

The utility model discloses a mining vertical arch frame trolley which comprises a wheel type engineering chassis, a left auxiliary arm, a right auxiliary arm and a middle main arm arranged between the left auxiliary arm and the right auxiliary arm, and the engineering chassis comprises a cab, a frame, a walking mechanism, a hydraulic telescopic supporting leg, an electric hydraulic control system, a motor pump set and an engine pump set. The walking mechanism comprises a front axle, a gearbox, a power motor, a transmission shaft, a tire rim and a rear axle, the middle main arm comprises a main slewing bearing, a main rotary table, a main telescopic arm and a main arm gripper mechanism assembly, and the left auxiliary arm and the right auxiliary arm are arranged in a symmetrical structure. The mining vertical arch frame trolley is provided with three arms, can assist personnel in mounting an arch frame, prevents the problems that the construction efficiency is low and the personal safety cannot be guaranteed during manual erection, has a four-wheel steering function, is suitable for a mine roadway with a narrow space, and is provided with multiple degrees of freedom, so that the flexibility of the trolley during operation is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to arch mounting technical field, concretely is a mine vertical arch trolley. BACKGROUND

[0002] At present, the vertical arch support operation in the small mine roadway still mainly uses artificial vertical arch, the construction efficiency is low, and the construction personnel are in the dangerous area for a long time, so that the personal safety cannot be guaranteed; the vertical arch trolley has been widely used in the high-speed and high-speed railway tunnel to replace the traditional artificial vertical arch construction, and the vertical arch is safe and efficient, but the overall flexibility of the arch trolley used in the high-speed and high-speed railway tunnel is poor, and the arch trolley is not applicable in the narrow mine roadway. UTILITY MODEL CONTENTS

[0003] The utility model solves the technical problem of overcoming the defects of the prior art, and provides a mine vertical arch trolley, which is provided with three arms, can assist personnel in installing the arch, prevents the problems such as low construction efficiency and personal safety guarantee during artificial vertical arch, and has four-wheel steering function, is suitable for narrow mine roadway, and is provided with multiple degrees of freedom, improves the flexibility of the trolley operation, and effectively solves the problems in the background art.

[0004] To achieve the above object, the utility model provides the following technical scheme: a mine vertical arch trolley, which comprises a wheeled engineering chassis, a left auxiliary arm, a right auxiliary arm and a middle main arm arranged between the left auxiliary arm and the right auxiliary arm, the engineering chassis comprises a cab, a frame, a walking mechanism, a hydraulic telescopic support leg, an electrical hydraulic control system, a motor pump group and an engine pump group, and the walking mechanism comprises a front axle, a gearbox, a power motor, a transmission shaft, a tire rim and a rear axle.

[0005] The middle main arm comprises a main rotary support, a main rotating table, a main telescopic arm and a main arm grabbing mechanism assembly, the left auxiliary arm and the right auxiliary arm are arranged in a symmetrical structure, the left auxiliary arm comprises a secondary rotary support, a secondary rotating table, a secondary telescopic arm, an L-shaped arm and a swing seat.

[0006] As a preferred technical scheme of the utility model, the tire rim is provided with two groups of front and rear tire rims, and each group of tire rims comprises two tire rims arranged on the two sides of the frame, the hydraulic telescopic support leg is provided with four groups, and the four groups of hydraulic telescopic support legs are respectively arranged on the two sides of the tail of the frame and behind the front two tire rims.

[0007] As a preferred technical scheme of the utility model, the left auxiliary arm, the right auxiliary arm and the middle main arm are installed on the frame through bolts.

[0008] As a preferred technical scheme of the utility model, the main rotating platform side is provided with a main arm elevation and depression oil cylinder for driving the main telescopic arm to rotate, and the main telescopic arm end is provided with a grab arm elevation and depression oil cylinder for driving the main arm grab mechanism assembly to rotate.

[0009] As a preferred technical scheme of the utility model, the main rotating platform side is provided with a main arm elevation and depression oil cylinder for driving the main telescopic arm to rotate, and the main telescopic arm end is provided with a grab arm elevation and depression oil cylinder for driving the main arm grab mechanism assembly to rotate.

[0010] As a preferred technical scheme of the utility model, the main rotating platform side is provided with a main arm elevation and depression oil cylinder for driving the main telescopic arm to rotate, and the main telescopic arm end is provided with a grab arm elevation and depression oil cylinder for driving the main arm grab mechanism assembly to rotate.

[0011] As a preferred technical scheme of the utility model, the main rotating platform side is provided with a main arm elevation and depression oil cylinder for driving the main telescopic arm to rotate, and the main telescopic arm end is provided with a grab arm elevation and depression oil cylinder for driving the main arm grab mechanism assembly to rotate.

[0012] As a preferred technical scheme of the utility model, the main rotating platform side is provided with a main arm elevation and depression oil cylinder for driving the main telescopic arm to rotate, and the main telescopic arm end is provided with a grab arm elevation and depression oil cylinder for driving the main arm grab mechanism assembly to rotate.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The mine vertical arch mounting trolley of the utility model is provided with three arms, can assist personnel to install the arch, prevents the problems such as low construction efficiency and personal safety not being guaranteed when manually erecting the arch, and has four-wheel steering function, is suitable for narrow mine roadway, is provided with multiple degrees of freedom, and improves flexibility when operating the trolley. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structure schematic view of the utility model;

[0016] Figure 2 It is a structure schematic view of the engineering chassis in the utility model;

[0017] Figure 3 It is a structure schematic view of the intermediate main arm in the utility model;

[0018] Figure 4 It is a structure schematic view of the left auxiliary arm in the utility model;

[0019] Figure 5 It is a structure schematic view of the electric control limiting mechanism in the utility model;

[0020] Figure 6The utility model discloses an angle sensor's structural diagram.

[0021] In the drawing:

[0022] 1 wheel type engineering chassis, 1.1 cab, 1.2 frame, 1.3 running gear, 1.4 hydraulic telescopic support leg, 1.5 electrohydraulic control system, 1.6 motor pump group, 1.7 engine pump group;

[0023] 1.3.1 front axle, 1.3.2 gearbox, 1.3.3 power motor, 1.3.4 transmission shaft, 1.3.5 tire rim, 1.3.6 rear axle;

[0024] 2 left auxiliary arm, 2.1 auxiliary slewing bearing, 2.2 auxiliary turntable, 2.3 auxiliary arm up-down oil cylinder, 2.4 auxiliary telescopic arm, 2.5 leveling oil cylinder, 2.6 L arm, 2.7 hanging basket, 2.8 swing cylinder, 2.9 swing seat, 2.10 grab arm slewing bearing, 2.11 auxiliary arm grab hand assembly, 3 right auxiliary arm;

[0025] 4 intermediate main arm, 4.1 main slewing bearing, 4.2 main turntable, 4.3 main arm up-down oil cylinder, 4.4 main telescopic arm, 4.5 grab arm up-down oil cylinder, 4.6 main arm grab hand assembly;

[0026] 5 travel switch, 6 limit plate, 7 angle sensor. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0028] Please refer to Figures 1-6The utility model provides a kind of technical scheme: a kind of mining vertical arch trolley, including wheeled engineering chassis 1, left auxiliary arm 2, right auxiliary arm 3 and the intermediate main arm 4 being set between left auxiliary arm 2 and right auxiliary arm 3, engineering chassis 1 includes cab 1.1, frame 1.2, travelling mechanism 1.3, hydraulic telescopic support leg 1.4, electro-hydraulic control system 1.5, motor pump group 1.6 and engine pump group 1.7, left auxiliary arm 2, right auxiliary arm 3 and intermediate main arm 4 are all installed on frame 1.2 by bolt, work and ground contact by electro-hydraulic control system 1.5 control hydraulic telescopic support leg 1.4, it is convenient for this trolley to operate in fixed position, and improve the overall support strength and working stability of this trolley;Travelling mechanism 1.3 includes front axle 1.3.1, gearbox 1.3.2, power motor 1.3.3, transmission shaft 1.3.4, tire rim 1.3.5 and rear axle 1.3.6, the setting of travelling mechanism 1.3 makes this trolley have four-wheel steering function, and its turning radius is small, suitable for driving in narrow lane.

[0029] Engine pump group 1.7 is located in the inside of frame 1.2 front end girder, provides power for travelling mechanism 1.3, while also can be used as emergency power source for intermediate main arm 4, left auxiliary arm 2, right auxiliary arm 3 provides power;Normal construction starts motor pump group 1.6 for intermediate main arm 4, left auxiliary arm 2, right auxiliary arm 3 provides power.

[0030] Tire rim 1.3.5 is provided with two groups before and after, and each group of tire rim 1.3.5 contains two and is located on both sides of frame 1.2, hydraulic telescopic support leg 1.4 is provided with four groups, and four groups of hydraulic telescopic support leg 1.4 are respectively located on both sides of the tail of frame 1.2 and behind the front two tire rims 1.3.5, improve the stability of whole machine when working.

[0031] Intermediate main arm 4 includes main slewing bearing 4.1, main turntable 4.2, main telescopic arm 4.4 and main arm gripper mechanism assembly 4.6, intermediate main arm 4 is installed on frame 1.2 by main slewing bearing 4.1, main turntable 4.2 is set on main slewing bearing 4.1, and main slewing bearing 4.1 is provided with driving system for driving main turntable 4.2 rotation, one end of main telescopic arm 4.4 is rotationally connected with the top of main turntable 4.2, main arm gripper mechanism assembly 4.6 is rotationally installed on the other end of main telescopic arm 4.4, main arm elevating and lowering cylinder 4.3 for driving main telescopic arm 4.4 rotation is installed on the side surface of main turntable 4.2, gripper elevating and lowering cylinder 4.5 for driving main arm gripper mechanism assembly 4.6 rotation is installed on the end of main telescopic arm 4.4, multiple degrees of freedom are set in intermediate main arm 4, improve the flexibility of this trolley when using.

[0032] The left auxiliary arm 2 comprises a sub-rotary support 2.1, a sub-turntable 2.2, a sub-telescopic arm 2.4, an L-shaped arm 2.6, a swing seat 2.9, and the left auxiliary arm 2 is installed on the frame 1.2 through the sub-rotary support 2.1, the sub-turntable 2.2 is rotationally arranged on the sub-rotary support 2.1, and the sub-rotary support 2.1 is internally provided with a driving system for driving the sub-turntable 2.2 to rotate, one end of the sub-telescopic arm 2.4 is rotationally connected with the top of the sub-turntable 2.2, one end of the L-shaped arm 2.6 is rotationally connected with the other end of the sub-telescopic arm 2.4, the other end of the L-shaped arm 2.6 is rotationally connected with the swing seat 2.9, the sub-turntable 2.2 is provided with an auxiliary arm tilt cylinder 2.3 for driving the sub-telescopic arm 2.4 to rotate, the end of the sub-telescopic arm 2.4 is provided with a leveling cylinder 2.5 for driving the L-shaped arm 2.6 to rotate, and the side surface of the L-shaped arm 2.6 is provided with a swing cylinder 2.8 for driving the swing seat 2.9 to swing, the right auxiliary arm 3 has the same structure and installation mode as the left auxiliary arm 2, and the left auxiliary arm 2 and the right auxiliary arm 3 are arranged in a symmetrical structure.

[0033] The main turntable 4.2 and the sub-turntable 2.2 are both provided with an electric control limiting mechanism, the electric control limiting mechanism comprises a limiting plate 6, and a travel switch 5 is installed on the limiting plate 6, the intermediate main arm 4, the left auxiliary arm 2 and the right auxiliary arm 3 constitute a mechanical arm, the mechanical arm is in contact with the limiting plate 6 when it rotates to the position of the travel switch 5, the travel switch 5 transmits an electric signal to a controller, the controller outputs a signal to a joystick, at this time, the joystick can only control the mechanical arm to rotate in the opposite direction until the mechanical arm is away from the limiting plate, thereby realizing the function of limiting the rotation of the mechanical arm and avoiding interference or affecting the stability of the whole machine due to unlimited rotation of the mechanical arm.

[0034] The end of the swing seat 2.9 is provided with a grab arm rotary support 2.10, and an auxiliary arm grab hand mechanism assembly 2.11 is rotationally arranged on the grab arm rotary support 2.10, a grab hand mechanism driving cylinder is installed on the side surface of the grab arm rotary support 2.10 for driving the auxiliary arm grab hand mechanism assembly 2.11 to rotate, thereby improving the flexibility of the auxiliary arm grab hand mechanism assembly 2.11 during use, and a hanging basket 2.7 is installed on the swing seat 2.9, thereby facilitating personnel to install the arch.

[0035] An angle sensor 7 is installed at the L-shaped arm 2.6 of the left auxiliary arm 2 and the L-shaped arm 2.6 of the right auxiliary arm 3, the angle sensor 7 monitors the inclination angle of the L-shaped arm 2.6 in real time and outputs a signal to a controller, the controller outputs a control signal to a solenoid valve group according to the current angle of the L-shaped arm 2.6, and controls the leveling cylinder 2.5 to extend or retract to ensure that the inclination angle of the L-shaped arm 2.6 is always 0, and since the relative angle between the hanging basket 2.7 and the L-shaped arm 2.6 is constant, the hanging basket 2.7 can always be kept horizontal.

[0036] The specific structure, material and working principle of the non-disclosed part in the utility model are not described in detail. Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that the embodiments can be changed, modified, replaced and changed in various ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A mine arch support trolley, comprising a wheeled engineering chassis (1), a left auxiliary arm (2), a right auxiliary arm (3) and a middle main arm (4) arranged between the left auxiliary arm (2) and the right auxiliary arm (3), characterized in that: The engineering chassis (1) comprises a cab (1.1), a frame (1.2), a walking mechanism (1.3), hydraulic telescopic legs (1.4), an electro-hydraulic control system (1.5), a motor pump group (1.6) and an engine pump group (1.7), the walking mechanism (1.3) comprises a front axle (1.3.1), a gearbox (1.3.2), a power motor (1.3.3), a transmission shaft (1.3.4), a tire rim (1.3.5) and a rear axle (1.3.6); The intermediate main arm (4) comprises a main rotary support (4.1), a main turntable (4.2), a main telescopic arm (4.4) and a main arm grab mechanism assembly (4.6), the left auxiliary arm (2) and the right auxiliary arm (3) are symmetrically arranged, the left auxiliary arm (2) comprises a secondary rotary support (2.1), a secondary turntable (2.2), a secondary telescopic arm (2.4), an L-shaped arm (2.6) and a swing seat (2.9).

2. The mine roof support jumbo trolley as claimed in claim 1, c h a r a c t e r i s e d in that: The tire rims (1.3.5) are arranged in two groups, each group of tire rims (1.3.5) comprises two tire rims and is located on the two sides of the frame (1.2), and the hydraulic telescopic legs (1.4) are arranged in four groups and are respectively located on the two sides of the tail of the frame (1.2) and behind the front two tire rims (1.3.5).

3. The mine roof support jumbo trolley as claimed in claim 1, c h a r a c t e r i s e d in that: The left auxiliary arm (2), the right auxiliary arm (3) and the intermediate main arm (4) are bolted on the frame (1.2).

4. The mine roof support jumbo trolley as claimed in claim 1, characterized in that: The main turntable (4.2) is provided with a main arm tilt cylinder (4.3) on the side surface, the main telescopic arm (4.4) is provided with a grab arm tilt cylinder (4.5) at the end, and the grab arm tilt cylinder (4.5) drives the main arm grab mechanism assembly (4.6) to rotate.

5. The mine roof support jumbo of claim 1, characterized in that: The secondary turntable (2.2) is provided with an auxiliary arm tilt cylinder (2.3) on the side surface, the secondary telescopic arm (2.4) is provided with a leveling cylinder (2.5) at the end, and the leveling cylinder (2.5) drives the L-shaped arm (2.6) to rotate.

6. The mine roof support jumbo of claim 1, characterized in that: The swing seat (2.9) is provided with a grab arm rotary support (2.10) at the end, the grab arm rotary support (2.10) is provided with an auxiliary arm grab mechanism assembly (2.11) which rotates on the grab arm rotary support (2.10), and the grab arm rotary support (2.10) is provided with a grab mechanism drive cylinder on the side surface.

7. The mine roof support jumbo of claim 1, characterized in that: The main turntable (4.2) and the secondary turntable (2.2) are both provided with an electric control limiting mechanism, the electric control limiting mechanism comprises a limiting plate (6), and a travel switch (5) is arranged on the limiting plate (6).

8. The mine roof support jumbo trolley of claim 1, characterized in that: An angle sensor (7) is arranged at the L-shaped arm (2.6) of the left auxiliary arm (2) and the L-shaped arm (2.6) of the right auxiliary arm (3).

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