CN218347384U - Hard rock heading machine adaptable to narrow space - Google Patents

Abstract

The utility model relates to a hard rock entry driving machine in adaptable narrower space, including blade disc body, connection swing arm, scraper conveyor, running gear, blade disc advancing mechanism, guiding mechanism and prop boots mechanism. The cutter head body rotates around the axis of the cutter head body, and the extending direction of the axis is vertical to the tunneling direction of the tunneling machine. The scraper conveyor is fixedly arranged on the travelling mechanism. The cutter head propelling mechanism and the shoe supporting mechanism are fixedly arranged on the travelling mechanism, and the scraper conveyor is arranged above the travelling mechanism, so that a certain space can be saved in the width direction of the tunnel, and the tunnel is suitable for narrow hard rock tunnels. And the cutter head body rotates around the axis of the cutter head body, and the extending direction of the axis is vertical to the tunneling direction of the tunneling machine. Compared with the prior full-face tunneling machine, the utility model discloses can adapt to the hard rock tunnel in narrower space.

Description

Hard rock heading machine adaptable to narrow space

Technical Field

The utility model relates to a hard rock geology tunnel technical field especially relates to a hard rock entry driving machine in adaptable narrower space.

Background

At present, for the construction of hard rock geological tunnels, full-face hard rock heading machines are mostly adopted. The cutter head of the hard rock heading machine applicable to narrow space is cylindrical, and the circular end face of the cylindrical cutter head is in contact with the tunnel to serve as a working face. That is to say, the rotation central axis of the cutterhead of the current full face hard rock heading machine is parallel to the heading direction of the cutterhead, the occupied area of the full face hard rock heading machine is large, and the construction process is inflexible. For tunnels with requirements on well-forming sections and narrow well-forming space, particularly, if the narrow space with the rectangular well-forming section is required, the existing full-face hard rock heading machine is obviously not suitable for use and cannot be formed at one time, and the well-forming efficiency of the hard rock geological tunnel is reduced.

Therefore, a hard rock heading machine which can adapt to a narrow space is needed.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In view of the above-mentioned shortcoming, the not enough of prior art, the utility model provides a hard rock entry driving machine in adaptable narrower space, it has solved the technical problem of the unable volume of adjusting compression behind the articulated sealed mounting among the prior art.

(II) technical scheme

In order to achieve the above object, the utility model discloses a main technical scheme include:

the embodiment of the utility model provides a hard rock heading machine adaptable to a narrow space, which comprises a cutter head body, a connecting swing arm, a scraper conveyor, a traveling mechanism, a cutter head propelling mechanism, an adjusting mechanism and a shoe supporting mechanism;

the cutter head body is disc-shaped, and the cutter head body rotates around the axis of the cutter head body, and the extending direction of the axis is vertical to the tunneling direction of the tunneling machine;

one end of the connecting swing arm is connected with the cutter head body, and the other end of the connecting swing arm is connected with the adjusting mechanism;

the adjusting mechanism is arranged on the travelling mechanism through the cutter head propelling mechanism and can drive the cutter head body to swing;

the scraper conveyor is fixedly arranged on the travelling mechanism and can convey the crushed rock slag cut by the cutter head body to the tail part;

the cutter head propelling mechanism and the shoe supporting mechanism are fixedly arranged on the travelling mechanism, and the cutter head propelling mechanism can drive the adjusting mechanism to reciprocate relative to the travelling mechanism so as to drive the cutter head body connected with the adjusting mechanism to do linear reciprocating motion along the cutting direction;

when the cutter head body cuts a rock body, the supporting shoe mechanism can tightly support the rock body;

the travelling mechanism is fixedly connected with the scraper conveyor, the cutter head propelling mechanism and the shoe supporting mechanism, and the travelling mechanism can drive the scraper conveyor, the cutter head propelling mechanism and the shoe supporting mechanism to advance along the tunneling direction.

Optionally, the cutter head pushing mechanism comprises a guide pillar, a sliding seat, a main pushing cylinder and a cylinder support;

the guide post is fixedly arranged on the travelling mechanism through a guide post support to guide and support the sliding seat;

the sliding seat is connected with the adjusting mechanism, the driving end of the main push oil cylinder is connected with the adjusting mechanism, and the main push oil cylinder can drive the adjusting mechanism to do linear reciprocating motion along the cutting direction;

one end of the oil cylinder support is connected with the main push oil cylinder, and the other end of the oil cylinder support is hinged with the traveling mechanism.

Optionally, the adjusting mechanism includes an adjusting bracket, an up-down swinging unit, a first left-right swinging unit and a second left-right swinging unit which are oppositely arranged;

the adjusting bracket is connected with the sliding seat and is used for supporting the up-down swinging unit, the first left-right swinging unit and the second left-right swinging unit;

the vertical swinging unit can drive the cutter head body to swing vertically;

the first left-right swinging unit and the second left-right swinging unit can alternately drive the cutter head body to swing left and right.

Optionally, the adjustment bracket comprises a frame body, a vertical axle, a sleeve that rotates relative to the vertical axle;

an opening is formed in one side, close to the cutter head body, of the frame main body, the vertical shaft is arranged in the center of the opening, and the upper end and the lower end of the vertical shaft are connected with the frame main body respectively;

the sleeve is sleeved on the vertical shaft, and the first left-right swinging unit and the second left-right swinging unit are respectively fixed at the left end and the right end of the circumferential outer wall of the sleeve;

the sleeve is close to the one end grafting cross axle of blade disc body, the outside of cross axle is cup jointed connect the swing arm, the luffing motion unit can drive the blade disc body is followed the axis luffing motion of cross axle, first luffing motion unit with second luffing motion unit alternative drive the sleeve, so that the sleeve can for the axis of vertical scroll rotates, and then passes through the cross axle drives blade disc body luffing motion.

Optionally, the up-down swinging unit comprises a pitching oil cylinder and a connecting lever;

the pitching oil cylinder is arranged at the top of the frame main body, the driving end of the pitching oil cylinder is hinged to one end of the connecting lever, and the other end of the connecting lever is fixedly arranged on the connecting swing arm;

the pitching oil cylinder can extend out or retract to drive the connecting lever to move up and down, so that the connecting swing arm is driven to rotate along the axis of the transverse shaft, and the cutter head body swings up and down.

Optionally, the first left-right swinging unit comprises a swinging oil cylinder and a swinging oil cylinder support;

the fixed end of the swing oil cylinder is fixedly arranged outside the frame body, and the driving end of the swing oil cylinder is hinged with the sleeve through the swing oil cylinder support.

Optionally, the first and second horizontal swinging units have the same structure.

Optionally, the shoe supporting mechanism comprises a first shoe supporting unit and a second shoe supporting unit, the first shoe supporting unit is arranged on the travelling mechanism and close to one side of the cutter head body, and the second shoe supporting unit is arranged on one side far away from the cutter head body;

the first supporting shoe unit can balance the weight of the cutter head body.

Optionally, the first supporting shoe unit includes a supporting shoe main body fixed to the traveling mechanism, an upper supporting shoe piece and a lower supporting shoe piece arranged on the top of the supporting shoe main body, and supporting shoe pieces respectively arranged at the left end and the right end of the supporting shoe main body.

(III) advantageous effects

The beneficial effects of the utility model are that: the utility model discloses a hard rock entry driving machine in adaptable narrower space sets up in the top with running gear through scraper conveyor, can have certain space to save on the width direction in tunnel to adapt to narrower hard rock tunnel. And the cutter head body rotates around the axis of the cutter head body, and the extending direction of the axis is vertical to the tunneling direction of the tunneling machine. Compared with the prior full-face tunneling machine, the utility model discloses can adapt to the hard rock tunnel in narrower space. Additionally, the utility model discloses can advance along the tunnelling direction through blade disc advancing mechanism control blade disc body, can control the luffing motion through guiding mechanism control blade disc body to prevent at the tunnelling in-process, if meet the phenomenon that the blade disc body blocked, can expand to dig through guiding mechanism, thereby solve the problem of blade disc body card sword.

Drawings

Fig. 1 is an overall front view schematic diagram of the hard rock heading machine adaptable to a narrow space of the present invention;

fig. 2 is a partial structural schematic diagram of the hard rock heading machine adaptable to a narrow space in fig. 1;

fig. 3 is a schematic structural diagram of an adjusting mechanism part of the hard rock heading machine capable of adapting to a narrow space in fig. 2.

[ description of reference ]

1: a cutter head body;

2: connecting the swing arm;

3: a scraper conveyor;

4: a traveling mechanism; 41: a traveling crawler; 42: a fixed housing;

5: a cutter head propelling mechanism; 51: a guide post; 52: a slide base; 53: a main push oil cylinder; 54: an oil cylinder support;

6: an adjustment mechanism; 61: adjusting the bracket; 611: a frame main body; 612: a vertical shaft; 613: a sleeve; 614: a horizontal axis; 62: an up-down swing unit; 621: a pitching cylinder; 622: a connecting lever; 63: a first yaw unit; 631: a swing oil cylinder; 632: a swing oil cylinder support;

7: a shoe supporting mechanism; 71: a first shoe supporting unit; 711: a boot main body; 712: upper and lower shoe supporting members; 72: a second shoe supporting unit; 8: and a rear matching trolley.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings. Where directional terms such as "upper", "lower", "front" and "rear" are used herein, reference is made to the orientation of FIG. 1. The direction in which the cutter head body 1 is located is defined as "front", and the direction in which the rear mating cart 8 is located is defined as "rear".

Referring to fig. 1-3, the embodiment of the present invention provides a hard rock heading machine capable of adapting to a narrow space, which includes a cutter head body 1, a connecting swing arm 2, a scraper conveyor 3, a traveling mechanism 4, a cutter head propulsion mechanism 5, an adjusting mechanism 6, and a shoe supporting mechanism 7.

The cutter head body 1 is disc-shaped, the cutter head body 1 rotates around the axis of the cutter head body 1, and the extending direction of the axis is perpendicular to the tunneling direction of the tunneling machine.

Specifically, the cutterhead body 1 can cut hard rock through a cutter head on the cutterhead body.

It should be noted that, narrower space means the width and is less than the rectangle space of traditional blade disc diameter, in the unable rectangle space that gets into of traditional blade disc promptly, adopts the utility model discloses blade disc body 1's arrangement, tool bit set up on blade disc body 1's discoid structure's tube-shape lateral wall. The cutter head body 1 is provided with a fixing part for placing a driving mechanism for driving the cutter head body to rotate and a rotating part capable of rotating around the axis of the rotating part to enable the cutter head to rotate for cutting, and the rotating part rotates relative to the fixing part.

The one end of connecting swing arm 2 links to each other with blade disc body 1, and the other end of connecting swing arm 2 links to each other with guiding mechanism 6. Specifically, the connecting swing arm 2 is connected with a fixing part of the cutter head body 1. The connecting swing arm 2 can drive the cutter head body 1 to move by the movement adjusted by the adjusting mechanism 6.

The scraper conveyor 3 is fixedly arranged on the traveling mechanism 4, and the scraper conveyor 3 can convey the crushed rock slag cut by the cutter head body 1 to the tail part. The scraper conveyor 3 is arranged above the travelling mechanism 4, so that a certain space can be saved in the width direction of the tunnel, and the scraper conveyor is suitable for narrow hard rock tunnels.

The traveling mechanism 4 is fixedly connected with the scraper conveyor 3, the cutter head propelling mechanism 5 and the shoe supporting mechanism 7, and the traveling mechanism 4 can drive the scraper conveyor 3, the cutter head propelling mechanism 5 and the shoe supporting mechanism 7 to advance along the tunneling direction.

Specifically, the traveling mechanism 4 includes a traveling crawler 41 and a fixed housing 42. The walking crawler 41 can walk in the tunnel, meanwhile, the fixed shell 42 is connected with the walking crawler 41, the scraper conveyor 3, the cutter head propelling mechanism 5 and the shoe supporting mechanism 7 are all fixedly connected to the fixed shell 42 to drive the whole device to walk and adjust the tunneling angle, and meanwhile, the shoe supporting mechanism 7 can be helped to offset the reverse thrust jointly.

The cutter head propelling mechanism 5 and the shoe supporting mechanism 7 are both fixedly arranged on a fixed shell 41 of the traveling mechanism 4. The cutter head propelling mechanism 5 can drive the adjusting mechanism 6 to reciprocate relative to the travelling mechanism 4, and further drive the cutter head body 1 connected with the adjusting mechanism 6 to do linear reciprocating motion along the cutting direction.

In the present embodiment, the deck advancing mechanism 5 includes a guide post 51, a slide 52, a main push cylinder 53, and a cylinder holder 54.

The guide post 51 is fixedly mounted to the stationary housing 42 of the traveling mechanism 4 via a guide post holder to guide the support slide 52. The guide post 51 provides a good guiding support for the slide 52 to ensure the cutter head body 1 to be deviated.

The slide 52 is connected with the adjusting mechanism 6, the driving end of the main push cylinder 53 is connected with the adjusting mechanism 6, and the main push cylinder 53 can drive the adjusting mechanism 6 to do linear reciprocating motion along the cutting direction. It should be noted that the direction of the reciprocating motion is the same as the direction of walking or backward movement, i.e., the forward and backward direction. That is, the adjusting mechanism 6 and the connecting swing arm 2 can be pushed to move forward and backward by extending or retracting the main push cylinder 53, so that the cutterhead body 1 is pushed to move forward and backward by a certain displacement, and the cutterhead body 1 can be driven to tunnel forward, thereby improving the cutting efficiency.

One end of the cylinder support 54 is connected with the main push cylinder 53, and the other end of the cylinder support 54 is hinged with the running mechanism 4.

The adjusting mechanism 6 is mounted on the travelling mechanism 4 through the cutter head propelling mechanism 5, and the adjusting mechanism 6 can drive the cutter head body 1 to swing.

Further, the adjusting mechanism 6 includes an adjusting bracket 61, a vertical swing unit 62, a first horizontal swing unit 63 and a second horizontal swing unit which are oppositely disposed.

The adjusting bracket 61 is disposed on the sliding base 52, is fixedly connected to the sliding base 52, and is used for supporting the up-down swinging unit 62, the first left-right swinging unit 63, and the second left-right swinging unit.

Further, the adjusting bracket 61 includes a frame body 611, a vertical shaft 612, and a sleeve 613 rotating with respect to the vertical shaft 612.

An opening is formed in one side, close to the cutter head body 1, of the frame main body 611, the vertical shaft 612 is arranged in the center of the opening, and the upper end and the lower end of the vertical shaft 612 are respectively connected with the frame main body 611.

The sleeve 613 is fitted to the vertical shaft 612, and the sleeve 613 can rotate relative to the vertical shaft 612. The first yaw unit 63 and the second yaw unit are fixed to left and right ends of the circumferential outer wall of the sleeve 613, respectively.

One end (front end) of the sleeve 613 close to the cutter head body 1 is inserted into the transverse shaft 614. The outer part of the transverse shaft 614 is sleeved with the connecting swing arm 2, and the transverse shaft 614 is fixedly connected with the connecting swing arm 2.

Further, the vertical swing unit 62 can drive the cutter head body 1 to swing vertically. Specifically, the vertical swing unit 62 can drive the cutter head body 1 to swing up and down along the axis of the horizontal shaft 614, and the first horizontal swing unit 63 and the second horizontal swing unit alternately drive the sleeve 613, so that the sleeve 613 can rotate relative to the axis of the vertical shaft 612, and the cutter head body 1 is driven to swing left and right through the horizontal shaft 614.

Further, the luffing unit 62 includes a pitch cylinder 621 and a connecting lever 622.

The pitch cylinder 621 is provided at the top of the frame body 611. The driving end of the pitch cylinder 621 is hinged to one end of the connecting lever 622, and the other end of the connecting lever 622 is fixedly mounted on the connecting swing arm 2.

The pitching cylinder 621 can extend or retract to drive the connecting lever 622 to move up and down, so as to drive the connecting swing arm 2 to rotate along the axis of the transverse shaft 614, so as to make the cutter head body 1 swing up and down.

Further, the first horizontal swinging unit 63 and the second horizontal swinging unit (not shown in the figure) can alternately drive the cutter head body 1 to swing left and right.

Further, the first yaw unit 63 includes a swing cylinder 631 and a swing cylinder support 632.

The fixed end of the swing cylinder 631 is fixedly installed outside the frame body 611, and the driving end of the swing cylinder 631 is hinged to the sleeve 613 through a swing cylinder support 632.

Further, the first and second yaw units 63 and 63 have the same structure.

Further, the sleeve 613 can rotate within a certain range. The sleeve 613 swings left or right with respect to a center line in the front-rear direction.

When the cutterhead body 1 needs to swing leftwards, the swing oil cylinder 631 of the second swing unit is started to extend out, the swing oil cylinder 631 drives the sleeve 613 to rotate towards the left side along the vertical shaft 612, so that the sleeve 613 rotates along with the rotation of the cross rod 614, and finally the cutterhead (1) is driven to swing towards the left side along the horizontal direction until the excavation width is half of the excavation width required by the process. It should be noted that the vertical shaft 612 has a self-locking function, and when the cutter head body 1 swings to a proper angle, the vertical shaft 612 can be automatically locked, so that the sleeve 613 is stationary relative to the vertical shaft 612, and the cutter head body 1 can work at an angle of any process design without rotating around the vertical shaft 612.

In this embodiment, after the heading machine is put into position, the elevation cylinder 621 and the swing cylinder 631 adjust the angle and position of the equipment and the cutterhead body 1, and at this time, the axis of the cutterhead body 1 is in the same horizontal plane with the axis of the tunneling direction required by the process, and rotates around the axis thereof, and the extending direction of the axis is perpendicular to the tunneling direction of the heading machine. The main thrust cylinder 53 is in a retracted state.

Further, the shoe supporting mechanism 7 includes a first shoe supporting unit 71 and a second shoe supporting unit 72, the first shoe supporting unit 71 is disposed on the traveling mechanism 4 and on a side close to the cutter head body 1, and the second shoe supporting unit 72 is disposed on a side far from the cutter head body 1.

The first shoe unit 71 can balance the weight of the cutter head body 1.

Further, the first shoe supporting unit 71 includes a shoe supporting main body 711 fixed to the traveling mechanism 4, upper and lower shoe supporting members 712 provided at the top of the shoe supporting main body 711, and shoe supporting members 713 provided at the left and right ends of the shoe supporting main body 711, respectively.

Further, the second supporting shoe unit 72 comprises a jacking cylinder and a tightening cylinder, and when the cutterhead body 1 cuts rock mass, the supporting shoe mechanism 7 can tighten the rock mass. According to the process requirements, the upper and lower shoe supporting pieces 712 and the left and right shoe supporting pieces extending out of the first tightening unit 71 can better balance the weight of the cutter head body 1. Meanwhile, the jacking oil cylinder or the supporting oil cylinder tightly supports the rock wall, and the supporting force meets the thrust required by the tunneling of the cutter head body 1.

In the concrete tunneling process, the driving unit of the cutter head body 1 is started, and the scraper conveyor 3 and the rear matching trolley 8 are started at the same time. When the rotating speed of the cutter head body 1 reaches the process design requirement, the cutter head body 1 is pushed through the main push oil cylinder 53 to cut the rock wall of the tunnel until the main push oil cylinder 53 extends to the length required by the process design and then retracts. The rock slag cut off is guided onto the scraper conveyor 3 along with the rotation retraction action of the cutter head body 1, and then the scraper conveyor 3 transports the rock slag to the rear matching trolley 8 and then to the rear part of the equipment. The slag is transported out of the well through a slag transport trolley or other transport apparatus at the rear part and then continuously advances through the traveling mechanism 4. In the tunneling process, if the cutter head body 1 is blocked, the pitching oil cylinder 621 and the swinging oil cylinder 631 are adjusted to expand the tunneling process, so that the problem of cutter head clamping is solved. After the machine completes one tunnel, the equipment may be transported out through the receiving well or slowly withdrawn along the tunnel until the originating chamber and then transferred to the face of the next tunnel to complete the entire tunneling process.

The utility model discloses a hard rock entry driving machine in adaptable narrower space sets up in the top with running gear 4 through scraper conveyor 3, can have certain space to save on the width direction in tunnel to adapt to narrower hard rock tunnel. Furthermore, the cutter head body 1 rotates on its own axis, and the direction in which the axis extends is perpendicular to the heading direction of the heading machine. Compared with the prior full-face tunneling machine, the utility model discloses can adapt to the hard rock tunnel in narrower space. Additionally, the utility model discloses can advance along the direction of tunnelling through 5 control blade disc bodies of blade disc advancing mechanism 1, can control blade disc body 1 through guiding mechanism 6 and control the horizontal hunting to prevent at the tunnelling in-process, if meet the phenomenon that the blade disc body blocked, can expand to dig through guiding mechanism, thereby solve the problem of blade disc body card sword.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless otherwise expressly stated or limited, a first feature may be "on" or "under" a second feature, and the first and second features may be in direct contact, or the first and second features may be in indirect contact via an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lower level than the second feature.

In the description of the present specification, the description of "one embodiment", "some embodiments", "examples", "specific examples" or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that modifications, alterations, substitutions and variations may be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (9)

1. The utility model provides a hard rock entry driving machine of adaptable narrower space which characterized in that: comprises a cutter head body (1), a connecting swing arm (2), a scraper conveyor (3), a traveling mechanism (4), a cutter head propelling mechanism (5), an adjusting mechanism (6) and a shoe supporting mechanism (7);

the cutter head body (1) is disc-shaped, the cutter head body (1) rotates around the axis of the cutter head body, and the extending direction of the axis is vertical to the tunneling direction of the tunneling machine;

one end of the connecting swing arm (2) is connected with the cutter head body (1), and the other end of the connecting swing arm (2) is connected with the adjusting mechanism (6);

the adjusting mechanism (6) is mounted on the travelling mechanism (4) through the cutter head propelling mechanism (5), and the adjusting mechanism (6) can drive the cutter head body (1) to swing;

the scraper conveyor (3) is fixedly arranged on the travelling mechanism (4), and the scraper conveyor (3) can convey the rock debris cut by the cutter head body (1) to the tail part;

the cutter head propelling mechanism (5) and the shoe supporting mechanism (7) are fixedly mounted on the travelling mechanism (4), and the cutter head propelling mechanism (5) can drive the adjusting mechanism (6) to reciprocate relative to the travelling mechanism (4) so as to drive the cutter head body (1) connected with the adjusting mechanism (6) to linearly reciprocate along the cutting direction;

when the cutterhead body (1) cuts a rock mass, the supporting shoe mechanism (7) can tightly support the rock mass;

running gear (4) with scraper conveyor (3) blade disc advancing mechanism (5) with prop the equal fixed connection of boots mechanism (7), just running gear (4) can drive along the direction of tunnelling scraper conveyor (3) blade disc advancing mechanism (5) with prop boots mechanism (7) and advance.

2. A hard rock ripper adaptable to a narrower space according to claim 1, wherein: the cutter propulsion mechanism (5) comprises a guide pillar (51), a sliding seat (52), a main propulsion oil cylinder (53) and an oil cylinder support (54);

the guide post (51) is fixedly arranged on the travelling mechanism (4) through a guide post support to guide and support the sliding seat (52);

the sliding seat (52) is connected with the adjusting mechanism (6), the driving end of the main push oil cylinder (53) is connected with the adjusting mechanism (6), and the main push oil cylinder (53) can drive the adjusting mechanism (6) to do linear reciprocating motion along the cutting direction;

one end of the oil cylinder support (54) is connected with the main push oil cylinder (53), and the other end of the oil cylinder support (54) is hinged with the traveling mechanism (4).

3. A hard rock ripper adaptable to a relatively narrow space as defined in claim 2, wherein: the adjusting mechanism (6) comprises an adjusting bracket (61), an up-down swinging unit (62), a first left-right swinging unit (63) and a second left-right swinging unit which are oppositely arranged;

the adjusting bracket (61) is connected with the sliding seat (52) and is used for supporting the up-down swinging unit (62), the first left-right swinging unit (63) and the second left-right swinging unit;

the vertical swinging unit (62) can drive the cutter head body (1) to swing vertically;

the first left-right swinging unit (63) and the second left-right swinging unit can alternately drive the cutter head body (1) to swing left and right.

4. A hard rock ripper adaptable to a narrower space according to claim 3, wherein: the adjustment bracket (61) comprises a frame body (611), a vertical shaft (612), and a sleeve (613) rotating relative to the vertical shaft (612);

an opening is formed in one side, close to the cutter head body (1), of the frame main body (611), the vertical shaft (612) is arranged in the center of the opening, and the upper end and the lower end of the vertical shaft (612) are connected with the frame main body (611) respectively;

the sleeve (613) is sleeved on the vertical shaft (612), and the first left-right swinging unit (63) and the second left-right swinging unit are respectively fixed at the left end and the right end of the circumferential outer wall of the sleeve (613);

sleeve (613) are close to cross axle (614) is pegged graft to the one end of blade disc body (1), the outside of cross axle (614) is cup jointed connect swing arm (2), luffing motion unit (62) can drive blade disc body (1) is followed the axis luffing motion of cross axle (614), first luffing motion unit (63) with second luffing motion unit alternate drive sleeve (613), so that sleeve (613) can for the axis of vertical scroll (612) rotates, and then passes through cross axle (614) drives blade disc body (1) luffing motion.

5. A hard rock ripper adaptable to a narrower space as defined in claim 4, wherein: the up-and-down swinging unit (62) comprises a pitching oil cylinder (621) and a connecting lever (622);

the pitching oil cylinder (621) is arranged at the top of the frame main body (611), the driving end of the pitching oil cylinder (621) is hinged to one end of the connecting lever (622), and the other end of the connecting lever (622) is fixedly arranged on the connecting swing arm (2);

the pitching oil cylinder (621) can extend out or retract to drive the connecting lever (622) to move up and down, so that the connecting swing arm (2) is driven to rotate along the axis of the transverse shaft (614), and the cutter head body (1) swings up and down.

6. A hard rock ripper adaptable to a narrower space according to claim 5, wherein: the first left-right swinging unit (63) comprises a swinging oil cylinder (631) and a swinging oil cylinder support (632);

the fixed end of the swing oil cylinder (631) is fixedly mounted outside the frame main body (611), and the driving end of the swing oil cylinder (631) is hinged to the sleeve (613) through the swing oil cylinder support (632).

7. A hard rock ripper adaptable to a narrower space according to claim 6, wherein: the first left-right swinging unit (63) and the second left-right swinging unit have the same structure.

8. A hard rock ripper adaptable to a narrower space according to claim 1, wherein: the shoe supporting mechanism (7) comprises a first shoe supporting unit (71) and a second shoe supporting unit (72), the first shoe supporting unit (71) is arranged on the traveling mechanism (4) and close to one side of the cutter head body (1), and the second shoe supporting unit (72) is arranged on one side far away from the cutter head body (1);

the first shoe supporting unit (71) can balance the weight of the cutter head body (1).

9. A hard rock ripper adaptable to a narrower space according to claim 8, wherein: the first shoe supporting unit (71) comprises a shoe supporting main body (711) fixed with the traveling mechanism (4), upper and lower shoe supporting pieces (712) arranged at the top of the shoe supporting main body (711), and shoe supporting pieces respectively arranged at the left end and the right end of the shoe supporting main body (711).

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