CN212744006U

CN212744006U - Crank arm type tunneling and anchoring all-in-one machine with random support

Info

Publication number: CN212744006U
Application number: CN202021863201.1U
Authority: CN
Inventors: 王成义; 蔺永诚; 金庆仁; 夏毅敏; 严汉辉; 肖永东; 赵海鸣
Original assignee: Jiangxi Sitong Heavy Industry Machinery Co ltd
Current assignee: Jiangxi Sitong Heavy Industry Machinery Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-03-19
Anticipated expiration: 2030-08-31

Abstract

The utility model discloses a crank arm type tunneling and anchoring integrated machine with random support, which comprises a tunneling machine main body, wherein at least one drilling and anchoring mechanism is arranged on a cutting arm of the tunneling machine main body, the drilling and anchoring mechanism comprises an installation rod, a lifting and shrinking bracket and a drilling and anchoring assembly, a rotary motor reducer is arranged on the cutting arm, the rotating output end of the rotary motor reducer is connected with a connecting seat, a swing arm oil cylinder is arranged on the connecting seat, and one end of the installation rod is connected with the output end of the swing arm oil cylinder; the lifting support is slidably assembled at the other end of the mounting rod, and the drill anchor assembly is axially and slidably connected to the side wall of the mounting rod; and a supporting mechanism is further arranged on the cutting arm at a position close to the drilling and anchoring mechanism, the supporting mechanism comprises a supporting plate and a lifting mechanism, one end of the lifting mechanism is connected with the cutting arm main body, and the other end of the lifting mechanism is connected with the supporting plate. The utility model discloses a take crank arm formula of strutting at random and dig anchor all-in-one can realize the tunnelling, can realize again that the anchor function bores, and work efficiency is high.

Description

Crank arm type tunneling and anchoring all-in-one machine with random support

Technical Field

The utility model relates to a entry driving machine equipment technical field specifically is a crank arm formula of taking random support and digs anchor all-in-one.

Background

The tunneling machine is a large machine for tunneling tunnels of coal mines and non-coal mines, and when the underground tunneling machine is in construction, the underground tunneling machine cuts rocks by a cutting head connected with a tunneling arm. The hydraulic system is the main component of the development machine, is the main power source of each action mechanism, and organically connects various hydraulic elements by pipelines according to the transmission requirements of the development machine working device and each mechanism to form the development machine hydraulic system. The hydraulic energy is converted into mechanical energy by using oil as a working medium and utilizing a hydraulic pump, so that various actions of the heading machine are realized.

The existing development machine has too single function, and can only cut and rake the rock and ore bed through the cutting head; in practical application environment, roadway tunneling is a complex multi-process alternating process and mainly comprises three processes of rock breaking, loading and transporting and supporting. To realize the rapid and efficient tunneling construction of the tunnel, each process can be coordinated and connected efficiently. However, the existing supporting process is time-consuming, an independent supporting mechanism is adopted for operation during supporting, and the heading machine stops working in the supporting process, so that the heading and footage speed is seriously influenced by the mode. In addition, in the process of tunneling, temporary supporting, drilling, anchoring net and steel belt feeding, anchoring agent feeding and other work are mostly finished by other workers. However, the manual work has disadvantages of low efficiency, high labor intensity and high work risk. In the whole footage process, the tunneling time is only 30 percent, and the supporting time accounts for more than 60 percent.

In addition, in the process of tunneling a roadway, when a water-detecting gas-detecting exploratory hole or an anchor rod needs to be drilled, a worker needs to stop the tunneling machine and then independently use other water-detecting gas-detecting hole-detecting equipment or an anchor rod drilling machine to operate on a rock wall in front of the tunneling machine, so that the life safety of the worker is threatened, and the tunneling machine independently performs drilling and anchoring operation after being stopped, so that the tunneling efficiency of the tunneling machine is low.

Therefore, in order to solve the above problems, it is necessary to develop a tunneling and anchoring machine integrating tunneling, supporting and drilling and anchoring.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: in order to overcome the defects of the prior art, the integrated crank arm type tunneling and anchoring integrated machine which can realize tunneling and drilling and anchoring functions is provided, and the working efficiency is improved.

The utility model adopts the technical proposal that: the utility model provides a crank arm type tunneling and anchoring integrated machine with random support, which comprises a tunneling machine main body, wherein the front end of the tunneling machine main body is provided with a cutting head for cutting rock soil in a rotating manner and a cutting arm for supporting the cutting head, the cutting arm is also provided with at least one drilling and anchoring mechanism, the drilling and anchoring mechanism comprises an installation rod, a lifting and contracting bracket and a drilling and anchoring assembly, the cutting arm is provided with a rotary motor reducer, the rotating output end of the rotary motor reducer is connected with a connecting seat, a swing arm oil cylinder is installed on the connecting seat, and one end of the installation rod is connected with the output end of the swing arm oil cylinder so as to realize that the installation rod swings left and right along the horizontal direction; the lifting support is slidably assembled at the other end of the mounting rod, and the drill anchor assembly is axially and slidably connected to the side wall of the mounting rod; the cutting arm is provided with a support mechanism near the drill anchor mechanism, the support mechanism comprises a support guard plate and a lifting mechanism, one end of the lifting mechanism is connected with the cutting arm, and the other end of the lifting mechanism is connected with the support guard plate, so that the height of the support guard plate can be adjusted.

Compared with the prior art, the crank arm type digging and anchoring all-in-one machine with the structure has the following advantages:

on original cutting arm basis, increased the brill anchor mechanism that can realize drilling, stock, like this when needs punch or the stock in the tunnel, the entry driving machine need not to shut down, also need not the workman and bores the anchor operation alone, only need stop earlier cutterhead work, operate the operation of the brill anchor machine on the cutting arm can, not only ensure construction safety, improved the operating efficiency of entry driving machine moreover.

Furthermore, the lifting mechanism comprises a supporting seat, a supporting driving cylinder and a supporting driving cylinder; one end of the supporting seat is hinged to the cutting arm, and the other end of the supporting seat is hinged to one end of the supporting plate; the tail end of the supporting driving cylinder is hinged to the cutting arm, and a piston rod of the supporting driving cylinder is hinged to one end, close to the cutting arm, of the supporting seat; the tail end of the supporting driving cylinder is hinged to one end of the supporting seat close to the cutting arm; the piston rod of the supporting driving cylinder is hinged at one end of the supporting plate close to the supporting seat.

And the mounting rod is a hollow square tube, a first driving cylinder is mounted in an inner cavity of one end, close to the swing arm oil cylinder, of the square tube, a sliding rail is arranged on the side wall of the square tube along the length direction, a sliding block is arranged on the sliding rail in a matched mode, a piston rod of the first driving cylinder is connected with the sliding block, and the drilling anchor assembly is mounted on the sliding block.

The drilling and anchoring assembly comprises a mounting seat, an anchor rod and an anchor rod motor, wherein the mounting seat is connected with a sliding block, the anchor rod motor is fixed on the mounting seat, an output shaft of the anchor rod motor is connected with an adapter, and one end of the anchor rod is detachably assembled on the adapter; the telescopic support is provided with an anchor rod positioning frame, and the other end of the anchor rod is in sliding fit with the anchor rod positioning frame.

And the other end of the square pipe is provided with a second driving cylinder, one end of the telescopic rod is in sliding fit with the inner cavity of the square pipe, and a piston rod of the second driving cylinder is connected with the end part of the telescopic rod.

Furthermore, the cutting arm comprises a connecting arm and a large cutting arm; one end of the cutting big arm is hinged with the main body of the tunneling machine, the other end of the cutting big arm is hinged with one end of a connecting arm, and the other end of the connecting arm is connected with the cutting head; the excavator main body is provided with a lifting oil cylinder used for driving the cutting big arm to lift, the cutting big arm is provided with a containing groove, the containing groove is internally provided with a connecting arm oil cylinder, and a piston rod of the connecting arm oil cylinder is hinged with one end of the connecting arm close to the cutting arm big arm. The containing groove structure enables the connecting arm oil cylinder to be contained in the inner cavity of the cutting big arm, and space is saved.

The front end of the tunneling machine main body is provided with a rotary platform and a rotary oil cylinder for driving the rotary platform to rotate horizontally, and one end of the cutting big arm, which is far away from the connecting arm, is hinged on the rotary platform; the tail end of the lifting oil cylinder is hinged with the rotary platform, and the outer end of a piston rod of the lifting oil cylinder is hinged with the other end of the cutting big arm.

The cutting arm further comprises a connecting small arm, one end of the connecting small arm is fixedly connected with the cutting head, and one side, along the width direction, of one end, far away from the cutting head, of the connecting small arm is hinged with one end, far away from the cutting large arm, of the connecting arm; the cutting head is characterized in that the other side, away from the cutting head, of the connecting small arm is hinged to a connecting rod along the width direction, the end, close to the connecting small arm, of the connecting arm is hinged to a rocker, the other end of the rocker is hinged to the other end of the connecting rod, the end, close to the cutting large arm, of the connecting arm is hinged to a small arm oil cylinder, and the other end of the small arm oil cylinder is hinged to a hinged shaft of the connecting rod and the rocker in a coaxial mode. The cutting head has the advantages that the connecting small arm is additionally arranged in the structure, and the structures such as the small arm oil cylinder, the connecting rod and the rocker are combined, so that the cutting head can flexibly rotate, and the cutting and raking capacity is improved.

Drawings

Fig. 1 is a structural diagram of the integrated drilling and anchoring machine of the utility model in a cutting state.

Fig. 2 is a structural diagram of the drilling and anchoring all-in-one machine in a material receiving state.

Fig. 3 is a structural diagram of the integrated drilling and anchoring machine in a supporting state.

Fig. 4 is a structural diagram of the cutting arm, the supporting mechanism and the drilling and anchoring mechanism in the integrated drilling and anchoring machine of the utility model.

Fig. 5 is another angle structure diagram of the cutting arm, the supporting mechanism and the drilling and anchoring mechanism in the integrated drilling and anchoring machine of the invention.

Fig. 6 is another angle structure diagram of the cutting arm, the supporting mechanism and the drilling and anchoring mechanism in the integrated drilling and anchoring machine of the invention.

Fig. 7 is a structural view of a drill anchor mechanism according to the present invention.

Fig. 8 is a cross-sectional view of a drill-anchor mechanism in accordance with the present invention.

Fig. 9 is a structural view of another embodiment of the cutting arm of the integrated drilling and anchoring machine of the invention.

The device comprises a heading machine body, a cutting head, a cutting arm, a connecting arm, a cutting big arm, a lifting cylinder, a rotating platform, a rotating cylinder, a mounting frame, a telescopic bracket, a connecting seat, a swinging arm cylinder, a rotating motor reducer, a driving motor reducer; 17-connecting small arm, 18-connecting rod, 19-rocker and 20-small arm oil cylinder; 21-mounting seat, 22-anchor rod, 23-anchor rod motor, 24-adapter, 25-anchor rod positioning frame and 26-mounting frame; 27-supporting plate, 28-supporting seat, 29-supporting driving cylinder and 30-supporting driving cylinder.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

In the description of the present invention, it should be noted that the terms "front end", "rear end", "lower end", "below", "outside", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, the terms "first" and "second" are used for convenience of description and distinction, and have no specific meaning.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The first embodiment is as follows:

as shown in fig. 3, the utility model provides a pair of crank arm formula driving and anchoring machine, including entry driving machine main part 1, the front end of entry driving machine main part 1 is equipped with the cutting part of liftable, flexible and gyration for realize the cutting rake material of rock, colliery.

Specifically, the cutting part comprises a cutting head 01 for rotating to cut rock and soil and a cutting arm 02 for supporting the cutting head 01, and the cutting arm 02 comprises a connecting arm 2 and a large cutting arm 3; one end of the cutting big arm 3 is hinged with the development machine main body 1, the other end of the cutting big arm 3 is hinged with one end of the connecting arm 2, and the other end of the connecting arm 2 is connected with the cutting head 01; the development machine main body 1 is provided with a lifting oil cylinder 4 for driving the cutting big arm 3 to lift, the cutting big arm 3 is provided with a connecting arm oil cylinder 5 for driving the connecting arm 2 to rotate, and the horizontal extension and the bending retraction of the cutting head 01 are realized through the telescopic action of the lifting oil cylinder 4 and the connecting arm oil cylinder 5.

In addition, a traveling part, mainly a crawler traveling structure, is provided at the lower end of the heading machine body 1, and specifically, the traveling part is controlled and driven by a hydraulic system. Still be equipped with the transport mechanism on entry driving machine main part 1 for the material that cuts off at entry driving machine front end through cutterhead 01 transports towards the entry driving machine rear end, in order to cooperate the work of transporting the mechanism, still be provided with the shovel board 27 of liftable in the below that the cutting arm 02 is located at entry driving machine main part 1 front end, when the crooked receipts material of cutting arm 02, the shovel board 27 action makes things convenient for the material to get into and transports the mechanism, whole process more high efficiency, convenient, raise the efficiency. The lower part of the rear end of the development machine main body 1 is also provided with a rear supporting leg mechanism which is used for supporting the whole development machine main body 1 and ensuring the working stability.

More specifically, in the structure, a rotary platform 6 and a rotary oil cylinder 7 for driving the rotary platform 6 to rotate horizontally are arranged at the front end of the development machine main body 1, and one end of the cutting large arm 3, which is far away from the connecting arm 2, is hinged on the rotary platform 6; the tail end of the lifting oil cylinder 4 is hinged with the rotary platform 6, and the outer end of a piston rod of the lifting oil cylinder 4 is hinged with the other end of the cutting big arm 3. In order to rationalize the whole structure and occupy small space, the upper end of the cutting big arm 3 is provided with a containing groove 3.1, and when the connecting arm oil cylinder 5 is in a retraction state, the connecting arm oil cylinder 5 is contained in the containing groove 3.1.

In this embodiment, at least one drilling and anchoring mechanism is further provided on the cutting arm for drilling or bolting.

The drill anchor mechanism 03 comprises a mounting rod 8, a lifting support 9 and a drill anchor assembly, a connecting seat 10 is rotatably mounted on the cutting arm 02 along the front-back direction, more specifically, a rotary motor reducer 12 is arranged on the cutting arm 02, and the connecting seat 10 is mounted at the rotary output end of the rotary motor reducer 12, so that the connecting seat 10 can conveniently rotate back and forth along the whole machine through the operation of the rotary motor reducer 12; the other end of the connecting seat 10 is provided with a swing arm oil cylinder 11 capable of swinging left and right, and one end of the mounting rod 8 is connected with the output end of the swing arm oil cylinder 11; a telescopic bracket 9 is axially slidably fitted to the other end of the mounting rod 8, and a drill anchor assembly is axially slidably attached to the side wall of the mounting rod 8. In the structure, the mounting rod 8 can rotate along the front and back directions of the whole machine, and can swing in the left and right directions, so that the drill anchor component is driven to operate accurately, and the drill anchor position is accurately positioned.

The position, close to the drill anchor mechanism 03, of the cutting arm 02 is further provided with a supporting mechanism 04, the supporting mechanism 04 comprises a supporting plate 27 and a lifting mechanism, one end of the lifting mechanism is connected with the cutting arm 02, and the other end of the lifting mechanism is connected with the supporting plate 27, so that the height of the supporting plate 27 is adjusted. In this embodiment, as shown in fig. 4, the lifting mechanism includes two sets of telescopic assemblies, and the two sets of telescopic assemblies are symmetrically installed on two sides of the cutting arm 02, and the upper ends of the two sets of telescopic assemblies are respectively connected to the supporting and protecting plate 27. Specifically, each group of telescopic assemblies comprises a supporting seat 28, a supporting driving cylinder 29 and a supporting driving cylinder 30; one end of the supporting seat 28 is hinged on the cutting arm 02, and the other end is hinged with one end of the supporting plate 27; the tail end of the supporting driving cylinder 29 is hinged on the cutting arm 02, and a piston rod of the supporting driving cylinder 29 is hinged at one end of the supporting seat 28 close to the cutting arm 02; the tail end of the supporting driving cylinder 30 is hinged to one end of the supporting seat 28 close to the cutting arm 02; the piston rod of the support driving cylinder 30 is hinged at one end of the support plate 27 near the support seat 28.

Specifically, in order to reduce the volume and the occupied space better, the receiving groove 28.1 is provided on the supporting base 28, and when the supporting driving cylinder 29 is in the contracted state, the supporting driving cylinder 29 can be received in the receiving groove 28.1, as shown in fig. 4.

Specifically, corresponding mounting frames 26 are symmetrically welded on the left side and the right side of the cutting big arm 3 in the structure, and the rotary motor speed reducer 12 is fixed on the corresponding mounting frames 26, so that the drilling and anchoring mechanisms are mounted on the left side and the right side of the cutting arm 02, and the working efficiency is improved. And the driving element motors are all hydraulic motors, so that the driving force is more stable and reliable. Of course, in other embodiments, not only hydraulic motors, but electric motors may be used if power permits.

In this embodiment, the mounting rod 8 is preferably a hollow square tube, a first driving cylinder 13 is mounted in an inner cavity of one end of the square tube close to the swing arm oil cylinder 11, a sliding rail 14 is arranged on a side wall of the square tube along the length direction, a sliding block 15 is arranged on the sliding rail 14, the other end of the sliding block 15 extends into the inner cavity of the square tube, a piston rod of the first driving cylinder 13 is connected with a portion of the sliding block 15 located in the inner cavity, and the drill anchor assembly is mounted on the sliding block 15. In this configuration, the mounting bar 8 may also be a U-tube configuration with the telescoping support 9 being a sliding fit within the lumen of the U-tube. A second driving cylinder 16 is arranged in the inner cavity of the other end of the square pipe, one end of the telescopic rod 9 is in sliding fit with the inner cavity of the square pipe, and a piston rod of the second driving cylinder 16 is connected with the end part of the telescopic rod 9. The first driving cylinder 13 and the second driving cylinder 16 in this structure are hydraulic cylinders. Of course, in other embodiments, the power source is not limited to hydraulic power source driving, but may be other power source driving, such as: air cylinders, electric rams, and the like.

The drilling and anchoring assembly comprises a mounting seat 21, an anchor rod 22 and an anchor rod motor 23, wherein the mounting seat 21 is connected with the sliding block 15, the anchor rod motor 23 is fixed on the mounting seat 21, an output shaft of the anchor rod motor 23 is connected with an adapter 24, and one end of the anchor rod 22 is detachably assembled on the adapter 24; the telescopic support 9 is provided with an anchor rod positioning frame 25, the other end of the anchor rod 22 is in sliding fit with the anchor rod positioning frame 25, the anchor rod positioning frame 25 mainly realizes radial limitation on the anchor rod 22, and deflection of the anchor rod 22 caused by vibration in the anchor drilling process is avoided.

In the drilling and anchoring process, after the cutting arm 02 of the heading machine is adjusted to a corresponding working position, the cutting arm 02 is positioned, then the second driving cylinder 16 drives the telescopic support 9 to extend outwards until the upper end face of the telescopic support 9 abuts against and supports on a working face needing drilling and anchoring, after the working face is positioned, the first driving cylinder 13 drives the drilling and anchoring assembly to rapidly move towards the working face under the action of the guide mechanism, when the drilling and anchoring assembly moves to the state that the upper end face of the anchor rod 22 abuts against the working face, the motor 23 of the anchor rod machine operates to drive the anchor rod 22 to work, and in the rotating process of the anchor rod 25, the first driving cylinder 13 drives the mounting rod 8 to gradually feed towards the working face, so that the drilling or anchoring process is realized.

In the structure, the supporting mechanism 04 is positioned between the two drilling and anchoring mechanisms 03 in the horizontal position, and in the storage state, the supporting mechanism 04 and the two drilling and anchoring mechanisms 03 are positioned in the approximately horizontal position, so that the space occupancy rate is further reduced.

Example two:

on the basis of the first implementation, in order to further improve the rotation flexibility of the cutting head 01; in the embodiment, the cutting arm further comprises a connecting small arm 17, one end of the connecting small arm 17 is fixedly connected with the cutting head 01, and one side of one end, far away from the cutting head 01, of the connecting small arm 17 along the width direction is hinged with one end, far away from the cutting large arm 3, of the connecting arm 2; the other side of one end, far away from the cutting head 01, of the connecting small arm 17 in the width direction is hinged with a connecting rod 18, one end, close to the connecting small arm 17, of the connecting arm 2 is hinged with a rocker 19, the other end of the rocker 19 is hinged with the other end of the connecting rod 18, one end, close to the cutting large arm 3, of the connecting arm 2 is hinged with a small arm oil cylinder 20, and the other end of the small arm oil cylinder 20 is coaxially hinged with a hinged shaft of the connecting rod 18 and the rocker 19. After the arrangement, a connecting small arm 17 is additionally arranged between the cutting head 01 and the connecting arm 2, so that a rotating hinge point is added in the rotary motion process of the cutting head 01, and the rotary flexibility of the cutting head 01 is improved.

The utility model discloses a take crank arm formula of strutting at random and dig anchor all-in-one compares with prior art, has following advantage:

the cutting arm 02 part of the heading machine is divided into a cutting big arm 3 and a connecting arm 2, wherein one end of the connecting arm 2 is rotatably connected with the cutting big arm 3 in a hinged mode, a cutting head 01 is arranged at the other end of the connecting arm 2, and the cutting big arm 3 is driven by a lifting oil cylinder 4 arranged on the heading machine main body 1; in addition, the rotary platform 7 is driven by the rotary oil cylinder in the structure, so that the whole cutting big arm 3 horizontally rotates, the structure is stable, and the rotation is stable; in the whole process, the cutting big arm 3, the connecting arm 2, the connecting arm oil cylinder 5 and the cutting head 01 are driven to synchronously move up and down by the extension and retraction of the lifting oil cylinder 4, so that a stable cutting function is realized; when material is required to be collected, the connecting arm 2 can rotate around the hinged point of the cutting big arm 3 through the expansion and contraction of the connecting arm oil cylinder 5 on the cutting big arm 3, and the small arm oil cylinder 20 drives the rotation of the connecting small arm 17, so that the bending and rotation of the whole cutting head are more flexible, the rotation angle is more accurately controlled, and the better material collecting action is realized.

On the other hand, the cutting arm 02 of the tunneling and anchoring machine structure is also provided with a corresponding drilling and anchoring mechanism, so that the tunneling machine does not need to be stopped when holes or anchor rods are required to be drilled on the top surface of a roadway in the tunneling process, workers do not need to perform drilling and anchoring operation independently, the cutting head 01 only needs to be stopped firstly, and the drilling and anchoring machine on the cutting arm 02 is operated, so that the construction safety is ensured, and the operating efficiency of the tunneling machine is improved.

On the other hand, in the process of tunneling, when drilling and anchoring are carried out on the top or the side wall, in order to improve the structural strength of the top surface and prevent collapse during anchoring, the supporting and protecting plate 27 is used for supporting the top surface of the roadway, the original mechanical arm mechanism is fully utilized, the operation of the anchoring rod equipment can be matched without adding extra equipment, the field supporting is realized, and the working convenience is improved; in the process of tunneling operation of a roadway, tunneling of the cutting head 01, supporting of the supporting plate 27 and drilling and anchoring operation of the drilling and anchoring mechanism 03 are controlled through a hydraulic system, switching is convenient, power sources in the supporting and drilling and anchoring processes are all provided through a main machine of the roadway tunneling machine, additional pressurization of other equipment is not needed, operation is simple, and working efficiency is high.

While the above is directed to the preferred embodiment of the present invention, it is not intended that it be limited, except as by the appended claims. The present invention is not limited to the above embodiments, and the specific structure thereof allows for changes, all the changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.

Claims

1. The utility model provides a crank arm formula of area random support tunneling and anchoring all-in-one, includes entry driving machine main part (1), the front end of entry driving machine main part (1) is equipped with cutterhead (01) that are used for rotatory cutting ground and is used for supporting cutting arm (02) of cutterhead (01), its characterized in that: the cutting arm (02) is further provided with at least one drilling and anchoring mechanism (03), the drilling and anchoring mechanism (03) comprises an installation rod (8), a telescopic support (9) and a drilling and anchoring assembly, a rotary motor speed reducer (12) is arranged on the cutting arm (02), the rotary output end of the rotary motor speed reducer (12) is connected with a connecting seat (10), a swing arm oil cylinder (11) is installed on the connecting seat (10), and one end of the installation rod (8) is connected to the output end of the swing arm oil cylinder (11) so as to realize the left-right swing of the installation rod (8) along the horizontal direction; the telescopic bracket (9) is assembled at the other end of the mounting rod (8) in an axially slidable manner, and the drill anchor assembly is connected to the side wall of the mounting rod (8) in an axially slidable manner;

the drilling and anchoring device is characterized in that a supporting mechanism (04) is further arranged on the cutting arm (02) close to the drilling and anchoring mechanism (03), the supporting mechanism (04) comprises a supporting plate (27) and a lifting mechanism, one end of the lifting mechanism is connected with the cutting arm (02), and the other end of the lifting mechanism is connected with the supporting plate (27) so as to realize height adjustment of the supporting plate (27).

2. The crank arm type driving and anchoring integrated machine with random support according to claim 1, characterized in that: the lifting mechanism comprises a supporting seat (28), a supporting driving cylinder (29) and a supporting driving cylinder (30); one end of the supporting seat (28) is hinged to the cutting arm (02), and the other end of the supporting seat is hinged to one end of the supporting guard plate (27); the tail end of the supporting driving cylinder (29) is hinged to the cutting arm (02), and a piston rod of the supporting driving cylinder (29) is hinged to one end, close to the cutting arm (02), of the supporting seat (28); the tail end of the supporting driving cylinder (30) is hinged to one end, close to the cutting arm (02), of the supporting seat (28); the piston rod of the support driving cylinder (30) is hinged at one end of the support guard plate (27) close to the support seat (28).

3. The crank arm type driving and anchoring integrated machine with random support according to claim 1, characterized in that: the mounting rod (8) is a hollow square pipe, a first driving cylinder (13) is mounted in an inner cavity of one end, close to the swing arm oil cylinder (11), of the square pipe, a sliding rail (14) is arranged on the side wall of the square pipe along the length direction, a sliding block (15) is arranged on the sliding rail (14) in a matched mode, a piston rod of the first driving cylinder (13) is connected with the sliding block (15), and the drilling anchor assembly is mounted on the sliding block (15).

4. The crank arm type driving and anchoring integrated machine with random support according to claim 1 or 3, characterized in that: the drilling and anchoring assembly comprises a mounting seat (21), an anchor rod (22) and an anchor rod motor (23), wherein the mounting seat (21) is connected with a sliding block (15), the anchor rod motor (23) is fixed on the mounting seat (21), an adapter (24) is connected to an output shaft of the anchor rod motor (23), and one end of the anchor rod (22) is detachably assembled on the adapter (24); an anchor rod positioning frame (25) is arranged on the telescopic support (9), and the other end of the anchor rod (22) is in sliding fit with the anchor rod positioning frame (25).

5. The crank arm type driving and anchoring integrated machine with random support according to claim 3, characterized in that: a second driving cylinder (16) is arranged in the inner cavity of the other end of the square pipe, one end of the telescopic support (9) is in sliding fit with the inner cavity of the square pipe, and a piston rod of the second driving cylinder (16) is connected with the end of the telescopic support (9).

6. The crank arm type driving and anchoring integrated machine with random support according to claim 1, characterized in that: the cutting arm (02) comprises a connecting arm (2) and a large cutting arm (3); one end of the big cutting arm (3) is hinged with the main body (1) of the heading machine, the other end of the big cutting arm (3) is hinged with one end of the connecting arm (2), and the other end of the connecting arm (2) is connected with the cutting head (01); the excavator main body (1) on be equipped with and be used for driving lift cylinder (4) that cut big arm (3) go up and down, be equipped with storage tank (3.1) on the big arm of cut (3), storage tank (3.1) in be equipped with linking arm hydro-cylinder (5), the piston rod of linking arm hydro-cylinder (5) is articulated with the one end that linking arm (2) are close to cut big arm (3).

7. The crank arm type tunneling-anchoring all-in-one machine with random support according to claim 6, characterized in that: the front end of the development machine main body (1) is provided with a rotary platform (6) and a rotary oil cylinder (7) for driving the rotary platform (6) to rotate horizontally, and one end of the cutting large arm (3) far away from the connecting arm (2) is hinged to the rotary platform (6); the tail end of the lifting oil cylinder (4) is hinged with the rotary platform (6), and the outer end of a piston rod of the lifting oil cylinder (4) is hinged with the other end of the cutting big arm (3).

8. The crank arm type driving and anchoring integrated machine with random support according to claim 6 or 7, characterized in that: the cutting arm also comprises a connecting small arm (17), one end of the connecting small arm (17) is fixedly connected with the cutting head (01), and one side, along the width direction, of one end, far away from the cutting head (01), of the connecting small arm (17) is hinged with one end, far away from the cutting large arm (3), of the connecting arm (2); connecting forearm (17) is kept away from cutterhead (01) one end and still is articulated along width direction's opposite side have connecting rod (18), the one end that connecting arm (2) is nearly connected forearm (17) articulates there is rocker (19), the other end of rocker (19) is articulated with the other end of connecting rod (18), just the one end that connecting arm (2) is nearly cut big arm (3) articulates there is forearm hydro-cylinder (20), the other end of forearm hydro-cylinder (20) realizes coaxial articulated with the articulated shaft of connecting rod (18), rocker (19).