CN116677400A - Hard rock tunneling machine - Google Patents
Hard rock tunneling machine Download PDFInfo
- Publication number
- CN116677400A CN116677400A CN202310698422.XA CN202310698422A CN116677400A CN 116677400 A CN116677400 A CN 116677400A CN 202310698422 A CN202310698422 A CN 202310698422A CN 116677400 A CN116677400 A CN 116677400A
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- China
- Prior art keywords
- cutterhead
- heading machine
- hard rock
- frame
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011435 rock Substances 0.000 title claims abstract description 48
- 230000005641 tunneling Effects 0.000 title claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 8
- 230000009471 action Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 4
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1093—Devices for supporting, advancing or orientating the machine or the tool-carrier
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1086—Drives or transmissions specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/11—Making by using boring or cutting machines with a rotary drilling-head cutting simultaneously the whole cross-section, i.e. full-face machines
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/12—Devices for removing or hauling away excavated material or spoil; Working or loading platforms
- E21D9/126—Loading devices or installations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention belongs to the technical field of heading machine equipment, and particularly relates to a hard rock heading machine. The heading machine comprises a heading machine body, a cutterhead assembly and a cutterhead adjusting assembly, wherein the heading machine body comprises a sliding frame, the cutterhead assembly comprises a cutterhead mounting frame, and the cutterhead mounting frame comprises a middle connecting plate and two side connecting plates which are symmetrical with each other about the middle connecting plate; the cutterhead adjusting assembly comprises a lifting driver and two swinging drivers corresponding to the two side connecting plates, and the two swinging drivers drive the cutterhead mounting frame to swing left and right; the lifting driver drives the cutterhead mounting frame to rotate upwards. Therefore, the heading machine has the functions of moving the cutterhead up and down and left and right, so that the cutting angle of the cutterhead is changed, the heading machine has greater flexibility in the aspect of the width and the height of the lane, and a large-scale cutting is realized. When the heading machine turns, the cutter head mounting frame can be independently rotated to a certain angle in the turning direction, so that the turning radius of the whole equipment is reduced, the action of the whole equipment is more flexible, and the working efficiency is improved.
Description
Technical Field
The invention belongs to the technical field of heading machine equipment, and particularly relates to a hard rock heading machine.
Background
The hard rock heading machine is a machine for tunneling, and a cutter head in the hard rock heading machine continuously breaks rock along with forward advancement of the hard rock heading machine. In the tunneling process, complicated tunnel construction needs to be completed due to geological or site construction requirements and the like.
In the tunneling process of the traditional TBM (full section hard rock tunnel boring machine), due to the limitation of the structural characteristics of the equipment, certain limitation exists in the aspect of turning flexibility, and only a round tunnel face with the same shape as the equipment can be drilled, so that when the width or the height of the tunneling face needs to be increased, the range of the tunnel face is difficult to expand. And the coal mine tunnel is generally rectangular, if TBM tunneling is adopted, secondary trimming is also needed, the efficiency is low, and the economical efficiency is poor, so that the traditional TBM cannot be applied to coal mining, and the application range is not wide enough.
Disclosure of Invention
First, the technical problem to be solved
In order to solve the problems of the prior art, the invention provides a hard rock heading machine, thereby solving the technical problems that the traditional TBM has insufficient turning flexibility, is difficult to expand the face range, has smaller cutting range and is not wide enough in application range.
(II) technical scheme
In order to achieve the above purpose, the main technical scheme adopted by the invention comprises the following steps:
the invention provides a hard rock tunneling machine which comprises a tunneling machine body and a cutterhead assembly, wherein the tunneling machine body comprises a sliding frame, the cutterhead assembly comprises a cutterhead mounting frame and a cutterhead adjusting assembly, and the cutterhead mounting frame comprises a middle connecting plate and two side connecting plates which are symmetrical with each other about the middle connecting plate; the cutter head adjusting assembly comprises a lifting driver and two swing drivers corresponding to the two side connecting plates, wherein two ends of each swing driver are respectively and rotatably connected with the side connecting plates and the sliding frame on the same side, and the two swing drivers drive the cutter head mounting frame to swing left and right; one end of the lifting driver is positioned inside the sliding frame and connected with the sliding frame, the other end of the lifting driver is rotatably connected with the middle connecting plate, and the lifting driver drives the cutterhead mounting frame to rotate upwards.
Further, two ends of the swing driver are respectively and rotatably connected with the side connecting plates and the sliding frame at the same side through the conversion shaft blocks; the conversion shaft block is provided with a first transverse through hole and a first vertical through hole which penetrate through the conversion shaft block, the first transverse through hole is rotatably connected with the swing driver, and the first vertical through hole is rotatably connected with the side connecting plate or the sliding frame.
Further, the cutterhead adjusting assembly further comprises a conversion shaft seat, a second transverse through hole and a second vertical through hole which penetrate through the conversion shaft seat and are intersected are formed in the conversion shaft seat, and a connecting part is arranged on the conversion shaft seat; the mounting hole on the middle connecting plate is rotatably connected with the conversion shaft seat through the penetrating pin shaft after being aligned with the second vertical through hole, the mounting hole on the sliding frame is rotatably connected with the conversion shaft seat through the penetrating pin shaft after being aligned with the second horizontal through hole, and the other end of the lifting driver is rotatably connected with the middle connecting plate through the rotatable connection with the connecting part.
Further, the tunneling machine main body further comprises a middle support, and the middle support is positioned on one side of the sliding frame far away from the cutterhead mounting frame; the middle part supports the internal fixation has the track, and orbital length direction is unanimous with the direction of advance of hard rock entry driving machine, and the frame that slides can overlap in the track and outstanding in the part that the middle part supported, stretches out in the track and has flexible driver, and flexible driver is connected with the frame that slides, and flexible driver drive is slided the frame and is removed along the track.
Further, the device comprises a stabilizing device, the stabilizing device comprises a plurality of supporting support feet and a plurality of supporting support feet which are arranged on the middle support, and a plurality of supporting support feet which are arranged on the sliding frame, the supporting support feet and the supporting support feet on the middle support stretch out synchronously, and the supporting support feet on the sliding frame stretch out synchronously.
Further, the development machine main body further comprises support assemblies for support operation, and the support assemblies are located on two sides of the rear portion of the middle support.
The tunneling machine main body further comprises a chassis, a loading device and a scraper conveyor, wherein the chassis is connected with the middle support, the scraper conveyor penetrates through the tunneling machine main body from front to back, and the loading device is positioned below the cutterhead assembly and is connected with the scraper conveyor head end; the sliding frame, the middle support, the supporting assembly, the chassis, the loading device and the scraper conveyor are driving parts of the tunneling machine main body.
Further, the development machine main body further comprises a driven part, the driven part comprises a rear frame, a rear chassis and a feeding belt conveyor, the rear frame is positioned on the rear chassis, the front end of the feeding belt conveyor is connected with the scraper conveyor, and the feeding belt conveyor is positioned on the rear frame; the driving part and the driven part are rotatably connected with the front part of the rear frame through the middle support rear part.
Further, the cutterhead assembly further comprises a cutterhead, one end of the middle connecting plate, which is combined with the two side connecting plates, forms an installation part of a cutterhead installation frame, and the cutterhead is detachably installed on the installation part; the center of the cutterhead is internally provided with a driver for driving the cutterhead to rotate.
Further, a circle of hob is arranged on the periphery of the cutterhead.
(III) beneficial effects
The beneficial effects of the invention are as follows:
according to the hard rock tunneling machine provided by the invention, the swing driver for driving the cutterhead mounting frame to swing left and right and the lifting driver for driving the cutterhead mounting frame to rotate upwards are additionally arranged between the cutterhead mounting frame and the sliding frame, so that the function of moving the cutterhead up and down and left and right is increased, the cutting angle of the cutterhead is changed, the tunneling machine has greater flexibility in the aspect of forming the width and the height of a lane, and a large-scale cutting is realized.
When the heading machine turns, the cutter head mounting frame can be independently rotated to a certain angle in the turning direction, so that the turning radius of the whole equipment is reduced, the action of the whole equipment is more flexible, and the working efficiency is improved.
Drawings
FIG. 1 is a schematic top view of a hard rock heading machine;
FIG. 2 is a schematic side view of a hard rock heading machine;
FIG. 3 is a schematic side cross-sectional structural view of a hard rock heading machine;
FIG. 4 is a schematic side elevational view of the connection of the glide carrier to the cutterhead assembly;
fig. 5 is a schematic view of an attachment structure of the connection of the slider and the cutterhead assembly;
FIG. 6 is an exploded view of the connection of the glide carrier to the cutterhead assembly;
FIG. 7 is a schematic view of the structure of the middle support;
FIG. 8 is a schematic diagram of a cutterhead of a hard rock heading machine moving left and right;
fig. 9 is a schematic diagram of the up and down movement of the cutterhead of the hard rock heading machine.
[ reference numerals description ]
1: a heading machine main body; 11: a sliding frame; 12: a middle support; 121: a track; 122: a telescopic drive; 13: a support assembly; 14: a chassis; 15: a loading device; 16: a scraper conveyor; 17: a rear frame; 18: a rear chassis; 19: a feeding belt conveyor;
2: a cutterhead assembly; 21: cutter head mounting rack; 211: a middle connecting plate; 212: a side connection plate; 213: a mounting part; 22: a cutterhead; 23: a hob;
3: a cutterhead adjusting assembly; 31: a lift driver; 32: a swing driver; 33: a conversion shaft block; 331: a first lateral through hole; 332: a first vertical through hole; 34: a conversion shaft seat; 341: a second transverse through hole; 342: a second vertical through hole; 343: a connection part;
4: a stabilizing device; 41: supporting the supporting feet; 42: supporting the support feet.
Detailed Description
In order that the above-described aspects may be better understood, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
As shown in fig. 1 to 9, the present invention provides a hard rock tunneling machine, comprising a tunneling machine body 1, a cutterhead assembly 2, a cutterhead adjusting assembly 3 and a stabilizing device 4. The cutterhead adjusting assembly 3 is used for adjusting the up-down and left-right movement of the cutterhead assembly 2. The heading machine body 1 includes a driving portion and a driven portion connected front and rear. As shown in fig. 1-3, 8, and 9, the drive section includes a skid 11, a center support 12, a support assembly 13, a chassis 14, a loading device 15, and a blade conveyor 16.
Specifically, as shown in fig. 1-3, 8 and 9, the middle support 12 is located on the side of the skid 11 remote from the cutterhead mounting frame 21. As shown in fig. 2, 3 and 9, the chassis 14 is connected with the middle support 12, the scraper conveyor 16 penetrates through the inside of the tunneling machine body 1 from front to back, the loading device 15 is located below the cutterhead assembly 2 and connected with the head end of the scraper conveyor 16, and the loading device 15 sends the cut rock mass into the scraper conveyor 16 and then the scraper conveyor 16 transports the rock mass to the rear of the hard rock tunneling machine. As shown in fig. 7, a track 121 is fixed in the middle support 12, the length direction of the track 121 is consistent with the advancing direction of the hard rock heading machine, the sliding frame 11 can be lapped on the part of the track 121 protruding from the middle support 12, a telescopic driver 122 extends out of the track 121, the telescopic driver 122 is connected with the sliding frame 11, and the sliding frame 11 is driven to move along the track 121, so that the cutter head mounting frame 21 drives the cutter head 22 to complete the feeding and retracting operation, the feeding is realized under the state that the whole machine does not advance, the operation steps are reduced, and the working efficiency is improved. The support assemblies 13 are positioned on both sides of the rear part of the middle support 12 for support operation.
As shown in fig. 1-3, 8, 9, the driven portion includes a rear carriage 17, a rear chassis 18, and a feeding belt 19. Specifically, the rear carriage 17 is located on the rear chassis 18, and the feeding belt 19 is located on the rear carriage 17 and connected at the front end to the scraper conveyor 16 for receiving the rock falling off from the scraper conveyor 16. The driving part and the driven part are rotatably connected with the front part of the rear frame 17 through the rear part of the middle support 12.
As shown in fig. 1-6, 8 and 9, the cutterhead assembly 2 comprises a cutterhead mounting frame 21 and a cutterhead 22, as shown in fig. 5 and 6, the cutterhead mounting frame 21 comprises a middle connecting plate 211 and two side connecting plates 212 symmetrical with respect to the middle connecting plate 211, one end where the middle connecting plate 211 and the two side connecting plates 212 are combined forms a mounting part 213 of the cutterhead mounting frame 21, the mounting part 213 is positioned on one side, far away from the main body 1, of the cutterhead mounting frame 21, and the cutterhead 22 is detachably mounted on the mounting part 213, so that the cutterhead 22 is beneficial to the rock mass close to the face, cutting of the rock mass is facilitated, and damages of broken slag generated during rock breaking to the heading machine can be reduced. Moreover, the cutterhead 22 is detachably connected with the cutterhead mounting frame 21, so that the cutterhead 22 is convenient to maintain and replace. A driver for driving the cutterhead 22 to rotate is arranged in the center of the cutterhead 22. A ring of hob 23 is mounted on the outer periphery of the cutterhead 22.
As shown in fig. 1-6, 8 and 9, the cutterhead adjusting assembly 3 comprises a lifting driver 31 and two swinging drivers 32 corresponding to two side connecting plates 212, the cutterhead mounting frame 21 drives the cutterhead 22 to swing transversely and vertically, and the position of the cutterhead 22 is adjusted to expand the face range so as to meet the construction requirements of middle and short distance construction and small turning radius. As shown in fig. 6, both ends of the swing driver 32 are rotatably connected to the drive cutterhead mounting frame 21 through the switching shaft block 33 with the side connection plates 212 and the slide frame 11 on the same side, respectively.
Specifically, the conversion shaft block 33 is provided with a first transverse through hole 331 and a first vertical through hole 332 penetrating through the conversion shaft block 33, the first transverse through hole 331 is rotatably connected with the swing driver 32, and the first vertical through hole 332 is rotatably connected with the side connecting plate 212 or the sliding frame 11.
As shown in fig. 3 and 6, one end of the lifting driver 31 is located inside the sliding frame 11 and connected with the sliding frame 11, and the other end of the lifting driver 31 is rotatably connected with the middle connecting plate 211 through the conversion shaft seat 34 to drive the cutterhead mounting frame 21 to rotate upwards.
Specifically, as shown in fig. 6, a second transverse through hole 341 and a second vertical through hole 342 penetrating through the conversion shaft seat 34 and intersecting with each other are formed in the conversion shaft seat 34, a connection portion 343 is provided on the conversion shaft seat 34, a mounting hole on the middle connecting plate 211 is aligned with the second vertical through hole 342 and then rotatably connected with the conversion shaft seat 34 through a penetrating pin shaft, a mounting hole on the sliding frame 11 is aligned with the second transverse through hole 341 and then rotatably connected with the conversion shaft seat 34 through a penetrating pin shaft, and the other end of the lifting driver 31 is rotatably connected with the middle connecting plate 211 through a rotatable connection with the connection portion 343.
In particular, a pin cover plate is arranged at the outer end of a pin passing through the conversion shaft seat 34 and is connected to the conversion shaft seat 34 through a bolt, so that the pin is prevented from falling out and loosening.
As shown in fig. 1 to 3 and fig. 5 to 9, the stabilizer 4 includes a plurality of supporting legs 41 and a plurality of supporting legs 42 provided on the middle support 12, and a plurality of supporting legs 41 and a plurality of supporting legs 42 provided on the slide frame 11, and the plurality of supporting legs 41 and the plurality of supporting legs 42 on the middle support 12 are extended synchronously, and the plurality of supporting legs 41 and the plurality of supporting legs 42 on the slide frame 11 are extended synchronously.
When the tunneller is fed, the stabilizing device 4 is started to stably support the tunneller, and harder rock can be cut by means of larger friction force during tunnelling. At the same time, the telescopic drive 122 can give the cutterhead 22 a greater feed pressure, increasing the maximum cutting hardness. Therefore, the hard rock heading machine has wider application range, is simpler and more convenient to operate, can meet more complex roadway requirements, and has higher working efficiency.
Working steps of the hard rock tunneling machine include:
s1: the heading machine rotates and walks to a specified position through the chassis 14;
s2: starting a stabilizing device 4, expanding supporting legs 41 and 42 on the middle support 12, respectively supporting the tops of the roadways and the ground to stabilize the heading machine, giving larger friction force to the whole machine during feeding, and combining with the hob 23, so that the upper limit of cutting hardness can be increased to 200Mpa;
s3: starting the scraper conveyor 16 and the loading device 15 to prepare the fallen rock mass cut by the conveyor cutter head 22;
s4: starting a driver arranged in the center of the cutterhead 22 to start the cutterhead 22 to rotate;
s5: adjusting the cutterhead 22 to a specified position by the swing driver 32 and the lift driver 31;
s6: the telescopic driver 122 works to start feeding, the hob 23 cracks the rock mass of the face, the rock mass of the face is peeled off after forming cracks, the peeled rock mass is collected by the loading device 15 and then enters the scraper conveyor 16, and the scraper conveyor 16 conveys the rock mass to the rear of the heading machine for treatment.
In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed 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, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the invention.
Claims (10)
1. Hard rock heading machine comprising a heading machine body (1) and a cutterhead assembly (2), wherein the heading machine body (1) comprises a sliding frame (11), the cutterhead assembly (2) comprises a cutterhead mounting frame (21), and the hard rock heading machine is characterized by further comprising a cutterhead adjusting assembly (3), and the cutterhead mounting frame (21) comprises a middle connecting plate (211) and two side connecting plates (212) symmetrical with respect to the middle connecting plate (211);
the cutterhead adjusting assembly (3) comprises a lifting driver (31) and two swinging drivers (32) corresponding to the two side connecting plates (212), two ends of each swinging driver (32) are respectively and rotatably connected with the side connecting plates (212) and the sliding frame (11) on the same side, and the two swinging drivers (32) drive the cutterhead mounting frame (21) to swing left and right;
one end of the lifting driver (31) is located inside the sliding frame (11) and connected with the sliding frame (11), the other end of the lifting driver (31) is rotatably connected with the middle connecting plate (211), and the lifting driver (31) drives the cutterhead mounting frame (21) to rotate upwards.
2. A hard rock heading machine as claimed in claim 1, characterised in that both ends of the swinging drive (32) are rotatably connected to the same side of the side connection plates (212) and the skid (11) respectively by means of a conversion axle block (33);
the conversion shaft block (33) is provided with a first transverse through hole (331) and a first vertical through hole (332) which penetrate through the conversion shaft block (33), the first transverse through hole (331) is rotatably connected with the swing driver (32), and the first vertical through hole (332) is rotatably connected with the side connecting plate (212) or the sliding frame (11).
3. The hard rock heading machine according to claim 1, characterized in that the cutterhead adjusting assembly (3) further comprises a conversion shaft seat (34), a second transverse through hole (341) and a second vertical through hole (342) which penetrate through the conversion shaft seat (34) and are intersected are formed in the conversion shaft seat (34), and a connecting part (343) is arranged on the conversion shaft seat (34);
the mounting hole on the middle connecting plate (211) is aligned with the second vertical through hole (342) and then rotatably connected with the conversion shaft seat (34) through a penetrating pin shaft, the mounting hole on the sliding frame (11) is aligned with the second horizontal through hole (341) and then rotatably connected with the conversion shaft seat (34) through a penetrating pin shaft, and the other end of the lifting driver (31) is rotatably connected with the middle connecting plate (211) through a connecting part (343).
4. A hard rock heading machine as claimed in claim 1 wherein the heading machine body (1) further includes a central support (12), the central support (12) being located on a side of the skid (11) remote from the cutterhead mounting frame (21);
the utility model discloses a hard rock development machine, including middle part support (12), track (121) are fixed with in middle part support (12), the length direction of track (121) with the direction of advance of hard rock development machine is unanimous, slide frame (11) can overlap joint in track (121) outstanding in the part of middle part support (12), stretch out in track (121) flexible driver (122), flexible driver (122) with slide frame (11) are connected, flexible driver (122) drive slide frame (11) are along track (121) removal.
5. The hard rock heading machine according to claim 4, characterized by further comprising a stabilizing device (4), wherein the stabilizing device (4) comprises a plurality of supporting top supporting legs (41) and a plurality of supporting bottom supporting legs (42) arranged on a middle support (12), and a plurality of supporting top supporting legs (41) and a plurality of supporting bottom supporting legs (42) arranged on the sliding frame (11), wherein the plurality of supporting top supporting legs (41) and the plurality of supporting bottom supporting legs (42) on the middle support (12) are synchronously extended, and the plurality of supporting top supporting legs (41) and the plurality of supporting bottom supporting legs (42) on the sliding frame (11) are synchronously extended.
6. A hard rock heading machine as claimed in claim 4 wherein the heading machine body (1) further includes a support assembly (13) for supporting work, the support assembly (13) being located on either side of the rear of the intermediate support (12).
7. A hard rock heading machine as claimed in claim 4 wherein the heading machine body (1) further includes a chassis (14), a loading device (15) and a scraper conveyor (16), the chassis (14) being connected to the central support (12), the scraper conveyor (16) extending through the interior of the heading machine body (1) from front to back, the loading device (15) being connected to the head end of the scraper conveyor (16) below the cutterhead assembly (2);
the sliding frame (11), the middle support (12), the support assembly (13), the chassis (14), the loading device (15) and the scraper conveyor (16) are driving parts of the tunneling machine main body (1).
8. A hard rock heading machine as claimed in claim 7 wherein the heading machine body (1) further includes a driven portion including a rear frame (17), a rear chassis (18), a feed belt conveyor (19), the rear frame (17) being located on the rear chassis (18), the feed belt conveyor (19) being connected at a forward end thereof to the scraper conveyor (16), the feed belt conveyor (19) being located on the rear frame (17);
the driving part and the driven part are rotatably connected with the front part of the rear frame (17) through the rear part of the middle support (12).
9. A hard rock heading machine as claimed in claim 1 wherein the cutterhead assembly (2) further comprises a cutterhead (22), the combined ends of the middle connecting plate (211) and the two side connecting plates (212) forming a mounting portion (213) of the cutterhead mounting frame (21), the cutterhead (22) being detachably mounted to the mounting portion (213);
the center of the cutterhead (22) is internally provided with a driver for driving the cutterhead (22) to rotate.
10. A hard rock heading machine as claimed in claim 9 wherein a ring of cutters (23) are mounted around the periphery of the cutterhead (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310698422.XA CN116677400A (en) | 2023-06-13 | 2023-06-13 | Hard rock tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310698422.XA CN116677400A (en) | 2023-06-13 | 2023-06-13 | Hard rock tunneling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116677400A true CN116677400A (en) | 2023-09-01 |
Family
ID=87783466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310698422.XA Pending CN116677400A (en) | 2023-06-13 | 2023-06-13 | Hard rock tunneling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116677400A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116717258A (en) * | 2023-08-07 | 2023-09-08 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Shaft development machine cutterhead assembly and shaft development machine |
-
2023
- 2023-06-13 CN CN202310698422.XA patent/CN116677400A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116717258A (en) * | 2023-08-07 | 2023-09-08 | 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) | Shaft development machine cutterhead assembly and shaft development machine |
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