CN112227948A

CN112227948A - Small single-arm drill carriage for coal mine

Info

Publication number: CN112227948A
Application number: CN202011235561.1A
Authority: CN
Inventors: 崔奇峰; 杨文斌; 张敏; 纪高
Original assignee: Shanxi Tian Ju Heavy Industry Co ltd
Current assignee: Shanxi Tian Ju Heavy Industry Co ltd
Priority date: 2020-11-07
Filing date: 2020-11-07
Publication date: 2021-01-15

Abstract

The invention belongs to the technical field of underground development equipment of coal mines, and particularly relates to a small single-arm drill carriage for a coal mine. The technical scheme includes that the machine body part comprises a plate protecting part, a drill arm part, an airborne jumbolter, an electric system and a hydraulic system; the machine body part is arranged below the guard plate part and provides support for the whole machine set, the guard plate part is arranged above the machine body part, the drill boom part is arranged on the left rear side of the machine body part, the airborne jumbolter is arranged at the front end of the drill boom part, the electrical system is arranged on the left front side of the machine body part, and the hydraulic system is arranged on the right front side of the machine body part. The invention effectively solves the problems of high labor intensity, low working efficiency and unsafe construction caused by the operation of additionally driving the anchor rod and the anchor cable by manually holding the pneumatic anchor rod drilling machine in the prior art.

Description

Small single-arm drill carriage for coal mine

Technical Field

The invention belongs to the technical field of underground development equipment of coal mines, and particularly relates to a small single-arm drill carriage for a coal mine.

Background

In the underground coal mine, in order to ensure the safety of underground construction of the coal mine, a lagged anchor rod and anchor cable hole is needed to be drilled, the broken part of the anchor rod and anchor cable or the side wall of a top plate with potential safety hazards is supplemented with an anchor rod and anchor cable, the anchor cable is constructed, aiming at the drilling operation, the generally adopted equipment is a handheld pneumatic anchor rod drilling machine, the drilling machine is small in adaptive section, small in torque and low in efficiency, when a high-position side anchor rod is supplemented, a working table needs to be erected, when the drilling machine is constructed above a belt conveyor, a coal bag is flatly filled on a belt below the position of the anchor rod and anchor cable needing to be supplemented with the coal bag, the operation of personnel is facilitated, the operation time of the construction mode is long, the occupied personnel are multiple, the labor.

Disclosure of Invention

The invention aims to provide a small single-arm drill carriage for a coal mine, which effectively solves the problems of high labor intensity, low working efficiency and unsafe construction caused by the operation of additionally driving anchor rods and anchor cables by a traditional manual handheld pneumatic anchor rod drilling machine.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

the utility model provides a small-size single armed drill carriage for coal mine, characterized by: the mechanical body part is arranged on the machine body, the protecting plate part is arranged on the machine body, the drill arm part is arranged on the machine body, the machine-mounted jumbolter is arranged on the machine-mounted jumbolter, and the electrical system and the hydraulic system are arranged on the machine-mounted jumbolter; the machine body part is arranged below the guard plate part and provides support for the whole machine set, the guard plate part is arranged above the machine body part, the drill boom part is arranged on the left rear side of the machine body part, the airborne jumbolter is arranged at the front end of the drill boom part, the electrical system is arranged on the left front side of the machine body part, and the hydraulic system is arranged on the right front side of the machine body part.

The machine body part consists of a walking assembly, a connecting beam, a platform, a top support and a vacuum electromagnetic starter; the walking assemblies are one pair and are respectively installed on two sides of the connecting beam, the platform is installed on the upper portion of the connecting beam, the top supports are two, the two walking assemblies are installed on the upper surface of the platform in a left-right mode, the vacuum electromagnetic starter is installed on the right rear side of the upper surface of the platform, and starting and stopping of an electrical system are facilitated.

The top support consists of a support oil cylinder, a support connector I, a lengthening bar, a support pressing plate, a support connector II and a support top plate; the cylinder body of support cylinder installs on the platform, the one end of strutting connector I is connected with support cylinder's telescopic link, and the other end is connected with the extension bar, the one end and the extension bar of strutting connector II are connected, and it is the spheroid structure to strut II other ends of connector, and strut the cavity structural connection that the clamp plate and strut the roof and constitute, it is fixed with the roof connection to strut the clamp plate, strut roof one end and the spheroid structural connection of strutting connector II, the other end makes things convenient for the unit to support the location for a plurality of coniform protruding structures of dull and stereotyped build-up welding.

The protective plate part consists of a door plate, a remote control button, a proportional control valve, a control protective cover, a switch protective cover, an upper support cover plate, a motor protective cover and a motor protective cover plate; the door plate is arranged on the left side surface of the motor shield, and the motor shield is arranged on the left front side of the platform; the motor shield cover plate is arranged on the upper surface of the motor shield and is positioned above a motor wiring port of the electric system, so that the wiring and maintenance operation of the electric system are facilitated; the remote control button is arranged on the rear side surface of the switch shield and is positioned at the upper end of the proportional operating valve, and the proportional operating valve is arranged in the operating shield and respectively controls a walking hydraulic motor of the walking assembly and a supporting oil cylinder supported at the top; the operating shield is arranged at the rear end of the switch shield, and the switch shield is arranged at the right rear side of the platform; the upper supporting cover plate is of a split structure and is arranged on the upper end face of the front part of the switch shield.

The drill boom part consists of a fixed frame, a drill boom rotary drive, a drill boom fixed seat, a pedal rotary drive, a large pedal, a small pedal, a drill boom supporting oil cylinder, a drill boom outer sleeve, a drill boom telescopic oil cylinder, a drill boom inner sleeve, a drill boom control frame, a swing oil cylinder I, a swing oil cylinder fixed plate, a swing oil cylinder II and a drill rig fixed plate; the bottom end of the fixed frame is arranged on the platform, and the top end of the fixed frame is fixedly connected with the drill boom rotation driving shell; the bottom end of the drill boom fixing seat is fixedly connected with a drill boom rotation driving rotating shaft, and the drill boom rotation driving rotating shaft rotates to drive the drill boom to rotate in the horizontal direction, so that the left-right rotation function of the drill boom is realized; one end of the pedal fixing seat is fixed on the front side surface of the fixing frame, the other end of the pedal fixing seat is fixedly connected with the pedal rotation driving shell, the pedal rotation driving shell is fixedly connected with the pedal fixing seat, the pedal rotation driving rotating shaft is fixedly connected with the large pedal, the rotation driving rotating shaft rotates to drive the large pedal and the small pedal to rotate, and the small pedal is hinged with the large pedal; the cylinder body of the drill boom supporting oil cylinder is hinged with a connecting lug at the lower end of the drill boom fixing seat, a telescopic rod of the drill boom supporting oil cylinder is hinged with a connecting lug at the lower end of the drill boom outer sleeve, and the telescopic rod of the drill boom supporting oil cylinder stretches and retracts to drive the drill boom to swing up and down to realize the lifting action; the telescopic rod of the drill boom telescopic oil cylinder drives the drill boom inner sleeve to telescopically slide along the drill boom outer sleeve to realize the telescopic adjustment effect of the drill boom; the drill boom control frame is arranged at the upper end of the drill boom inner sleeve and can move along with the drill boom inner sleeve; the shell of the swing oil cylinder I is arranged at the front end of an inner sleeve of the drill boom, a rotating shaft of the swing oil cylinder I is fixedly connected with a swing oil cylinder fixing plate, and the rotating shaft of the swing oil cylinder I can drive the airborne jumbolter to rotate at a left angle and a right angle; the shell of the swing oil cylinder II is fixedly connected with a swing oil cylinder fixing plate, a rotating shaft of the swing oil cylinder II is fixedly connected with a drilling machine fixing plate, and the rotating shaft of the swing oil cylinder II rotates to drive an airborne jumbolter to realize the rotation action of a front angle and a rear angle; the swing oil cylinder I and the swing oil cylinder II are matched for use, so that the airborne jumbolter can rotate in multiple angles and all directions.

The drill boom part adopts the mode of slewing drive and footboard slewing drive to carry out the gyration, and drill boom part accessible drill boom support cylinder is flexible to realize whole oscilaltion, and drill boom slewing drive gyration is realized whole gyration about, and the flexible adjustment of drill boom of flexible hydro-cylinder of drill boom is flexible, cooperates the machine-mounted roofbolter multi-angle rotating simultaneously, can fix a position the top stock anchor rope hole of different positions, angle and highly group stock anchor rope hole more than 0.9 meter.

The small single-arm drill carriage for the coal mine is suitable for supporting operation of a belt roadway on a tunneling working face, the position of the drill carriage is positioned behind a tunneling machine and an anchor rod drill carriage, the drill carriage adopts high-position construction drilling operation, troubles of building a workbench and laying a coal bag are avoided, and through the integral lifting, the rotation and the telescopic matching of the drill arm device and the multi-angle rotation of a machine-mounted high-torque hydraulic drilling machine, top anchor rod and anchor cable holes at different positions and various angles and high-position anchor rod holes with the height of more than 0.9 meter can be quickly positioned, so that the supporting operation time is greatly shortened, and the supporting efficiency and the supporting quality are improved; the drill carriage is provided with the operating platform capable of swinging and expanding and the operating device capable of synchronously moving with the drill boom, so that operators can conveniently operate the drill boom and the drilling machine to move, replace anchor rods, add anchoring agents and the like, and meanwhile, the two groups of top supports are arranged left and right, so that the drilling operation is safer, more stable and more reliable. The drill carriage is compact in structure, flexible in operation, high in drilling speed and high in supporting efficiency, the auxiliary time of drilling operation is greatly shortened, the drilling efficiency and the personnel safety are improved, and the labor organization and the personnel configuration mode are optimized. Compared with the prior equipment, the invention has the following advantages:

the invention 1 has compact structure, adopts the structural design of a narrow body machine body, can flexibly meet the requirements of various roadways, has safe and reliable operation and wide application range of the whole machine;

2 the invention can carry out construction operation of omnibearing top plate, side anchor rod with height more than 0.9 m and anchor cable hole by integral lifting, rotation and telescopic matching with multi-angle rotation of the machine-mounted large-torque hydraulic drilling machine of the drill boom device;

3, the invention is provided with the machine-mounted large-torque hydraulic drilling machine device, has high drilling speed and high construction efficiency, and can realize large-torque long-distance construction operation;

4, the invention is provided with the operating device which synchronously moves with the drill boom and the operation platform which can be rotatably unfolded, thereby facilitating the flexible operation and safe station position of the operator;

5 the invention is provided with two sets of top supporting devices, and the drilling construction works in a stable state, so that the safety factor is high.

The invention is suitable for the belt roadway support operation of the coal mine tunneling working face, and can also be used in railways, highways, watersheds and underground engineering tunnels.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of the structure of the body portion of FIG. 1;

FIG. 4 is a top view of FIG. 3;

FIG. 5 is a schematic view of the top support of FIG. 3;

FIG. 6 is a schematic view of the structure of the shield portion of FIG. 1;

FIG. 7 is a top view of FIG. 6;

fig. 8 is a schematic view of the structure of the drill arm portion of fig. 1.

Detailed Description

As shown in fig. 1 and fig. 2, the small single-boom drill carriage for coal mines in the embodiment includes a machine body part 1, a guard plate part 2, a drill boom part 3, an onboard jumbolter 4, an electrical system 5 and a hydraulic system 6; the machine body part 1 is installed below the protection plate part 2 and provides support for the whole machine set, the protection plate part 2 is arranged above the machine body part, the drill arm part 3 is installed on the left rear side of the machine body part 1, the onboard jumbolter 4 is installed at the front end of the drill arm part 3, the electrical system 5 is installed on the left front side of the machine body part 1, and the hydraulic system 6 is installed on the right front side of the machine body part 1.

As shown in fig. 3 and 4, the machine body part 1 consists of a walking assembly 1-1, a connecting beam 1-2, a platform 1-3, a top support 1-4, a vacuum electromagnetic starter 1-5 and a supporting top plate 1-4-6; the traveling assemblies 1-1 share one pair and are respectively installed on two sides of the connecting beam 1-2 to provide support for unit traveling, the platforms 1-3 are installed on the upper portions of the connecting beams 1-2, the platform is only 1 m in width and is of a narrow body machine body structure, the top supports 1-4 share two supports, the supports are installed on the upper surfaces of the platforms 1-3 in a left-right mode, the vacuum electromagnetic starter 1-5 is installed on the right rear side of the upper surfaces of the platforms 1-3, and starting and stopping of the electrical system 5 are facilitated.

As shown in figure 5, the top support 1-4 consists of a support oil cylinder 1-4-1, a support connector I1-4-2, an extension bar 1-4-3, a support pressing plate 1-4-4 and a support connector II 1-4-5; the cylinder body of the supporting oil cylinder 1-4-1 is installed on the platform 1-3, one end of the supporting connector I1-4-2 is connected with the telescopic rod of the supporting oil cylinder 1-4-1, the other end of the supporting connector I1-4-2 is connected with the lengthening rod 1-4-3, one end of the supporting connector II 1-4-5 is connected with the lengthening rod 1-4-3, the other end of the supporting connector II 1-4-5 is of a spherical structure and is connected with a cavity structure formed by the supporting pressing plate 1-4-4 and the supporting top plate 1-4-6, the supporting pressing plate 1-4-4 is fixedly connected with the supporting top plate 1-4-6, one end of the supporting top plate 1-4-6 is connected with the spherical structure of the supporting connector II 1-4-5, the other end of the supporting oil cylinder is a flat-plate surfacing welding structure with a plurality of conical bulges, so that the supporting and positioning of the unit are facilitated, when the unit is anchored and protected, the telescopic rod of the supporting oil cylinder 1-4-1 extends out to drive the supporting top plate 1-4-6 to extend out to press the roadway top plate, the top-contact grounding of the unit is mainly realized, and the safety state of the unit during the anchoring and protecting operation is ensured. When the unit anchoring operation roadway is low, the part 1-4-3 of the extension bar can be taken down, a mode that one end of the supporting connector I1-4-2 is connected with the extension bar of the supporting oil cylinder 1-4-1, the other end of the supporting connector I1-4-5 is connected with the supporting connector II 1-4-5, and the supporting connector II 1-4-5 is connected with the supporting pressing plate 1-4-4 and the supporting top plate 1-4-6 is adopted, and the flexible supporting mode increases the adaptation range of the unit to roadways with different heights.

As shown in fig. 6 and 7, the guard plate part 2 is composed of a door plate 2-1, a remote control button 2-2, a proportional control valve 2-3, a control shield 2-4, a switch shield 2-5, an upper support cover plate 2-6, a motor shield 2-7 and a motor shield cover plate 2-8; the door plate 2-1 is arranged on the left side surface of the motor shield 2-7, a hinge and a door lock are arranged on the door plate, opening and closing and overhauling operations of workers are facilitated, and the motor shield 2-7 is arranged on the left front side of the platform 1-3 and used for protecting a pump station, a motor, various pipelines and electro-hydraulic elements; the motor shield cover plate 2-8 is arranged on the upper surface of the motor shield 2-7 and is positioned above a motor wiring port of the electrical system 5, so that wiring and maintenance operation of the electrical system 5 are facilitated; the remote control button 2-2 is arranged on the rear side face of the switch shield 2-5, is positioned at the upper end of the proportional operating valve 2-3, is convenient for personnel to operate, and is used for remotely controlling the starting and stopping of a motor of the electrical system 5, the proportional operating valve 2-3 is arranged in the operating shield 2-4 and respectively controls a walking hydraulic motor of the walking assembly 1-1 and a supporting oil cylinder 1-4-1 of the top support 1-4; the operating shield 2-4 is arranged at the rear end of the switch shield 2-5, a hinge and a locking plate are arranged on the operating shield, when the unit operates, a person stands at an operating position, the operating shield 2-4 is opened to facilitate the operation of the proportional operating valve 2-3, and when the unit stops, the operating shield 2-4 is closed, so that the structure provides support and protection effects for the proportional operating valve 2-3; the switch shield 2-5 is arranged at the right rear side of the platform 1-3 and is used for protecting the vacuum electromagnetic starter 1-5, various electric elements and circuits, hydraulic elements and pipelines and the like arranged in the switch shield; the upper supporting cover plate 2-6 is of a split structure and is arranged on the upper end face of the front part of the switch shield 2-5, and the structure is convenient to detach and install on the premise of not influencing the structure and the function of the top support 1-4.

As shown in fig. 8, the drill boom part 3 consists of a fixed frame 3-1, a drill boom rotation drive 3-2, a drill boom fixed seat 3-3, a pedal fixed seat 3-4, a pedal rotation drive 3-5, a large pedal 3-6, a small pedal 3-7, a drill boom supporting oil cylinder 3-8, a drill boom outer sleeve 3-9, a drill boom telescopic oil cylinder 3-10, a drill boom inner sleeve 3-11, a drill boom control frame 3-12, a swing oil cylinder I3-13, a swing oil cylinder fixed plate 3-14, a swing oil cylinder II 3-15 and a drill rig fixed plate 3-16; the bottom end of the fixed frame 3-1 is arranged on the platform 1-3, the top end of the fixed frame is fixedly connected with the shell of the drill boom rotation drive 3-2, the fixed frame 3-1 is of a frame structure, the height can reach 0.7 m, the fixed frame is formed by welding high-strength steel plates and performing finish machining, and the machine set can realize drilling of high-position side anchor rods by utilizing the structure; the bottom end of the drill boom fixing seat 3-3 is fixedly connected with a rotary shaft of a drill boom rotary drive 3-2, and the rotary shaft of the drill boom rotary drive 3-2 rotates to drive the drill boom 3 to rotate a certain angle in the horizontal direction, so that the left-right rotation function of the drill boom 3 is realized; one end of the pedal fixing seat 3-4 is fixed on the front side face of the fixing frame 3-1, the other end of the pedal fixing seat is fixedly connected with a shell of the pedal rotary drive 3-5, the shell of the pedal rotary drive 3-5 is fixedly connected with the pedal fixing seat 3-4, a rotating shaft of the pedal rotary drive 3-5 is fixedly connected with the large pedal 3-6, the rotating shaft of the pedal rotary drive 3-5 rotates to drive the large pedal 3-6 and the small pedal 3-7 to rotate, and the small pedal 3-7 is hinged with the large pedal 3-6; when the anchoring operation is carried out, an operator stands at the pedal position, rotates the pedals according to operation requirements to rotate the pedals to drive the pedals to rotate by 3-5, so that the large pedals 3-6 and the small pedals 3-7 rotate to proper positions, the operator can stand and operate conveniently, and when the standing position area is insufficient, the small pedals 3-7 can be rotated to be unfolded, so that the standing position area of the operator is increased. The cylinder body of the drill boom supporting oil cylinder 3-8 is hinged with a connecting lug at the lower end of the drill boom fixing seat 3-3, a telescopic rod of the drill boom supporting oil cylinder is hinged with a connecting lug at the lower end of the drill boom outer sleeve 3-9, and the telescopic rod of the drill boom supporting oil cylinder 3-8 stretches and retracts to drive the drill boom 3 to swing up and down to realize the lifting function; the inner drill boom sleeve 3-11 is nested in the outer drill boom sleeve 3-9, the cylinder body of the telescopic drill boom oil cylinder 3-10 is hinged with the connecting lug inside the outer drill boom sleeve 3-9, the telescopic rod of the telescopic drill boom oil cylinder is hinged with the connecting lug inside the inner drill boom sleeve 3-11, the telescopic rod of the telescopic drill boom oil cylinder 3-10 stretches and retracts to drive the inner drill boom sleeve 3-11 to stretch and slide along the outer drill boom sleeve 3-9, and the telescopic adjustment function of the drill boom 3 is realized; the drill boom control frame 3-12 is arranged at the upper end of the drill boom inner sleeve 3-11 and can move together with the drill boom inner sleeve 3-11, so that the operation of the operator on each action of the drill boom is facilitated; the shell of the swing oil cylinder I3-13 is arranged at the front end of an inner sleeve 3-11 of the drill boom, a rotating shaft of the swing oil cylinder I3-13 is fixedly connected with a swing oil cylinder fixing plate 3-14, and the rotating shaft of the swing oil cylinder I3-13 can rotate to drive the airborne jumbolter 4 to realize the function of rotating at left and right angles; the shell of the swing oil cylinder II 3-15 is fixedly connected with a swing oil cylinder fixing plate 3-14, a rotating shaft of the swing oil cylinder II 3-15 is fixedly connected with a drilling machine fixing plate 3-16, and the rotating shaft of the swing oil cylinder II 3-15 rotates to drive the airborne jumbolter 4 to realize the function of rotating back and forth; the swing oil cylinders I3-13 and the swing oil cylinders II 3-15 are matched for use, so that the airborne jumbolter 4 can rotate in a multi-angle and all-directional mode.

To sum up, the drill arm part 3 adopts the mode of slewing drive 3-2 and pedal slewing drive 3-5 to carry out the gyration, and this type of gyration is than the traditional mode of adopting the hydro-cylinder to carry out the gyration, has advantages such as integrated level height, security height, can reverse auto-lock, and this structural style flattening can make whole unit equipment overall structure reduce, easily installs the maintenance, saves installation space to the great extent, makes the design brief. The drill boom part 3 can be stretched and contracted through the drill boom supporting oil cylinder 3-8 to realize integral up-down lifting, the drill boom is driven to rotate by rotating the drill boom 3-2 to realize integral left-right rotation, the drill boom stretching oil cylinder 3-10 stretches and contracts to realize drill boom stretching adjustment, and meanwhile, the multi-angle rotation of the airborne anchor rod drilling machine 4 is matched, so that anchor rod anchor cable holes at different positions and angles and anchor rod anchor cable holes at the upper sides with the height of more than 0.9 m can be positioned, and the mechanical operation of the anchor rod anchor cable holes at the upper sides and the anchor rod holes at.

The airborne jumbolter 4 is in a structure with the patent number of 201120262451.4 and the invention name of the airborne large-torque hydraulic drilling machine device. The structure adopts two-stage oil cylinder propulsion, is matched with a chain stroke amplifying device and a large-torque drilling motor, can realize the supporting operation of a large-torque long-distance anchor rod and an anchor cable, has the advantages of high drilling speed, high working efficiency, deep drilling depth, large diameter of a drill rod, wide application range and the like, and solves the problem of high-efficiency anchor rod supporting of a coal mine tunnel by matching the airborne anchor rod drilling machine with a drill carriage or an excavating and bolting machine.

The invention is suitable for mechanized supporting operation of the underground driving working face of the coal mine, and can construct roof bolt anchor cable holes and high-position side wall anchor rod holes at different positions and angles.

Claims

1. The utility model provides a small-size single armed drill carriage for coal mine, characterized by: the drilling machine comprises a machine body part (1), a guard plate part (2), a drill arm part (3), an airborne jumbolter (4), an electrical system (5) and a hydraulic system (6); the machine body part (1) is installed below the protection plate part (2) and supports the whole machine set, the protection plate part (2) is arranged above the machine body part, the drill arm part (3) is installed on the left rear side of the machine body part (1), the airborne jumbolter (4) is installed at the front end of the drill arm part (3), the electrical system (5) is installed on the left front side of the machine body part (1), and the hydraulic system (6) is installed on the right front side of the machine body part (1).

2. The small single-arm drill carriage for coal mines as set forth in claim 1, wherein: the machine body part (1) consists of a walking assembly (1-1), a connecting beam (1-2), a platform (1-3), a top support (1-4) and a vacuum electromagnetic starter (1-5); the walking assemblies (1-1) are one pair and are respectively installed on two sides of the connecting beam (1-2), the platforms (1-3) are installed on the upper portion of the connecting beam (1-2), the top supports (1-4) are two, the platforms (1-3) are installed on the upper surface of the platforms (1-3) in a left-right mode, and the vacuum electromagnetic starter (1-5) is installed on the right rear side of the upper surface of the platforms (1-3) to facilitate starting and stopping of the electrical system (5).

3. The small single-arm drill carriage for coal mines as set forth in claim 2, wherein: the top support (1-4) consists of a support oil cylinder (1-4-1), a support connector I (1-4-2), an extension bar (1-4-3), a support pressing plate (1-4-4), a support connector II (1-4-5) and a support top plate (1-4-6); the cylinder body of the supporting oil cylinder (1-4-1) is installed on the platform (1-3), one end of the supporting connector I (1-4-2) is connected with the telescopic rod of the supporting oil cylinder (1-4-1), the other end of the supporting connector I (1-4-2) is connected with the lengthening rod (1-4-3), one end of the supporting connector II (1-4-5) is connected with the lengthening rod (1-4-3), the other end of the supporting connector II (1-4-5) is of a sphere structure and is connected with a cavity structure formed by the supporting pressing plate (1-4-4) and the supporting top plate (1-4-6), the supporting pressing plate (1-4-4) is fixedly connected with the supporting top plate (1-4-6), and one end of the supporting top plate (1-4-6) is connected with the sphere structure of the supporting connector II (1-4-5) And the other end of the connecting rod is a flat-plate overlaying welding structure with a plurality of conical bulges, so that the supporting and positioning of the unit are facilitated.

4. The small single-arm drill carriage for coal mines as set forth in claim 1, wherein: the protection plate part (2) consists of a door plate (2-1), a remote control button (2-2), a proportional control valve (2-3), a control shield (2-4), a switch shield (2-5), an upper support cover plate (2-6), a motor shield (2-7) and a motor shield cover plate (2-8); the door plate (2-1) is arranged on the left side surface of the motor shield (2-7), and the motor shield (2-7) is arranged on the left front side of the platform (1-3); the motor shield cover plate (2-8) is arranged on the upper surface of the motor shield (2-7) and is positioned above a motor wiring port of the electrical system (5), so that the wiring and maintenance operation of the electrical system (5) are facilitated; the remote control button (2-2) is arranged on the rear side face of the switch shield (2-5) and is positioned at the upper end of the proportional operating valve (2-3), the proportional operating valve (2-3) is installed in the operating shield (2-4) and respectively controls a walking hydraulic motor of the walking assembly (1-1) and a supporting oil cylinder (1-4-1) of the top support (1-4); the control shield (2-4) is arranged at the rear end of the switch shield (2-5), and the switch shield (2-5) is arranged at the right rear side of the platform (1-3); the upper supporting cover plate (2-6) is of a split structure and is arranged on the upper end face of the front part of the switch shield (2-5).

5. The small single-arm drill carriage for coal mines as set forth in claim 1, wherein: the drill arm part (3) consists of a fixed frame (3-1), a drill arm rotary drive (3-2), a drill arm fixed seat (3-3), a pedal fixed seat (3-4), a pedal rotary drive (3-5), a large pedal (3-6), a small pedal (3-7), a drill arm supporting oil cylinder (3-8), a drill arm outer sleeve (3-9), a drill arm telescopic oil cylinder (3-10), a drill arm inner sleeve (3-11), a drill arm control frame (3-12), a swing oil cylinder I (3-13), a swing oil cylinder fixed plate (3-14), a swing oil cylinder II (3-15) and a drill fixing plate (3-16); the bottom end of the fixed frame (3-1) is arranged on the platform (1-3), and the top end of the fixed frame is fixedly connected with the shell of the drill boom rotation drive (3-2); the bottom end of the drill boom fixing seat (3-3) is fixedly connected with a rotary shaft of the drill boom rotary drive (3-2), and the rotary shaft of the drill boom rotary drive (3-2) rotates to drive the drill boom part (3) to rotate in the horizontal direction, so that the left-right rotation effect of the drill boom part (3) is realized; one end of the pedal fixing seat (3-4) is fixed on the front side face of the fixing frame (3-1), the other end of the pedal fixing seat is fixedly connected with a shell of the pedal rotary drive (3-5), the shell of the pedal rotary drive (3-5) is fixedly connected with the pedal fixing seat (3-4), a rotating shaft of the pedal rotary drive (3-5) is fixedly connected with the large pedal (3-6), the rotating shaft of the rotary drive (3-5) rotates to drive the large pedal (3-6) and the small pedal (3-7) to rotate, and the small pedal (3-7) is hinged with the large pedal (3-6); the cylinder body of the drill boom supporting oil cylinder (3-8) is hinged with a connecting lug at the lower end of the drill boom fixing seat (3-3), a telescopic rod of the drill boom supporting oil cylinder is hinged with a connecting lug at the lower end of the drill boom outer sleeve (3-9), and the telescopic rod of the drill boom supporting oil cylinder (3-8) stretches and retracts to drive the drill boom part (3) to swing up and down to realize the lifting action; the inner drill boom sleeve (3-11) is nested in the outer drill boom sleeve (3-9), a cylinder body of the telescopic drill boom oil cylinder (3-10) is hinged with a connecting lug in the outer drill boom sleeve (3-9), a telescopic rod of the telescopic drill boom oil cylinder is hinged with the connecting lug in the inner drill boom sleeve (3-11), and the telescopic rod of the telescopic drill boom oil cylinder (3-10) stretches and retracts to drive the inner drill boom sleeve (3-11) to stretch and slide along the outer drill boom sleeve (3-9), so that the stretching and adjusting effect of the drill boom (3) is realized; the drill boom control frame (3-12) is arranged at the upper end of the drill boom inner sleeve (3-11) and can move together with the drill boom inner sleeve (3-11); the shell of the swing oil cylinder I (3-13) is arranged at the front end of an inner sleeve (3-11) of the drill boom, a rotating shaft of the swing oil cylinder I (3-13) is fixedly connected with a swing oil cylinder fixing plate (3-14), and the rotating shaft of the swing oil cylinder I (3-13) can rotate to drive the airborne jumbolter (4) to rotate at a left-right angle; the shell of the swing oil cylinder II (3-15) is fixedly connected with a swing oil cylinder fixing plate (3-14), a rotating shaft of the swing oil cylinder II is fixedly connected with a drilling machine fixing plate (3-16), and the rotating shaft of the swing oil cylinder II (3-15) rotates to drive the airborne jumbolter (4) to realize the rotation action of a front angle and a rear angle; the swing oil cylinders I (3-13) and the swing oil cylinders II (3-15) are matched for use, so that the airborne jumbolter (4) can rotate in all directions at multiple angles.

6. The small single-arm drill carriage for coal mines as set forth in claim 5, wherein: the drill arm part (3) adopts a rotary driving mode (3-2) and a pedal rotary driving mode (3-5) to rotate.