CN218324870U - Novel cutting part of hard rock roadway heading machine - Google Patents
Novel cutting part of hard rock roadway heading machine Download PDFInfo
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- CN218324870U CN218324870U CN202222881790.1U CN202222881790U CN218324870U CN 218324870 U CN218324870 U CN 218324870U CN 202222881790 U CN202222881790 U CN 202222881790U CN 218324870 U CN218324870 U CN 218324870U
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Abstract
The utility model discloses a novel hard rock tunnelling machine cutting units, including vertical axis formula cutterhead, first cantilever and every single move hydro-cylinder, vertical axis formula cutterhead is connected with first revolving platform through first cantilever, and the other end of first revolving platform passes through bolt and second cantilever fixed connection, the every single move hydro-cylinder is installed between second cantilever and second revolving platform through the articulated mode, and the other end and the frame of second revolving platform are articulated, and first horizontal axis formula cutting drum and second horizontal axis formula cutting drum all are connected with first revolving platform through the third cantilever, and first horizontal axis formula cutting drum and second horizontal axis formula cutting drum are located the upper and lower both ends of vertical axis formula cutterhead respectively, and vertical axis formula cutterhead, first horizontal axis formula cutting drum and second horizontal axis formula cutting drum are used for damaged cutting country rock. This novel hard rock roadway entry driving machine cutting units has solved the low problem of traditional entry driving machine single cutterhead cut hard rock roadway cutting efficiency, very big improvement tunnelling efficiency.
Description
Technical Field
The utility model relates to a tunnelling technical field specifically is a novel hard rock tunnelling machine cutting units.
Background
The traditional heading machine mainly comprises a walking part, a cutting part, a loading part and the like, and the cutting part of the cantilever type heading machine mainly comprises an EBZ series longitudinal shaft type and an EBH series transverse shaft type. However, the longitudinal shaft type heading machine cutting part in the prior art can complete the cutting function of various roadway sections but has low cutting efficiency, and the transverse shaft type cutting part cannot complete a specific roadway section shape. No matter the propulsive force of axis of ordinates formula or horizontal axis formula cutting unit is provided by the walking portion, and the cutterhead breaks the rock with the surrounding rock contact, and the surrounding rock of front end is cut off in the upper and lower, horizontal hunting of cutting unit simultaneously, because single cutterhead cut hard rock tunnel section time long efficiency is low down, leads to the ratio of digging to serious unbalance, influences production efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel hard rock roadway entry driving machine cutting units to solve the single cutterhead of current boom type entry driving machine cutting units that proposes in the above-mentioned background art and cut hard rock roadway section time long efficiency low down, lead to excavating than serious unbalance, influence production efficiency's problem.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel hard rock tunnelling machine cutting units, includes vertical axis formula cutterhead, first cantilever and every single move hydro-cylinder, vertical axis formula cutterhead is connected with first revolving platform through first cantilever, and the other end of first revolving platform passes through bolt and second cantilever fixed connection, the every single move hydro-cylinder is installed between second cantilever and second revolving platform through articulated mode, and the other end of second revolving platform is fixed in the frame, and the every single move hydro-cylinder drives the whole reciprocating of cutting units, and the whole left and right sides of cutting units is driven to the second revolving platform, and first horizontal axis formula cutting drums and second horizontal axis formula cutting drums all are connected with first revolving platform through the third cantilever, and first horizontal axis formula cutting drums and second horizontal axis formula cutting drums are located the upper and lower both ends of vertical axis formula cutterhead respectively, and first revolving platform can rotate around first cantilever horizontal axis, and vertical axis formula cutterhead, first horizontal axis formula cutting drums and second horizontal axis formula cutting drums are used for damaged cutting roadway surround the rock.
Preferably, a cutting motor for driving the longitudinal shaft type cutting head is arranged in the second cantilever, and a rotary motor for driving the first rotary table to rotate is arranged on the side of the second cantilever.
Preferably, the length of the first transverse-axis type cutting drum and the length of the second transverse-axis type cutting drum are smaller than that of the first cantilever, and the first transverse-axis type cutting drum and the second transverse-axis type cutting drum are both located behind the longitudinal-axis type cutting head relative to the surrounding rock of the roadway.
Further preferably, the first and second transverse axis cutting drums are symmetrical about a center of rotation of the first boom.
Preferably, the cutting part is integrally installed on a traveling mechanism, and the traveling mechanism is a crawler traveling mechanism.
Compared with the prior art, the beneficial effects of the utility model are that: the novel hard rock roadway heading machine pushes the longitudinal axis type cutting head into roadway surrounding rock under the action of the thrust of the walking mechanism and the cutting force generated by the longitudinal axis type cutting head, the roadway surrounding rock starts to loosen under the action of the cutting force generated by the longitudinal axis type cutting head, the first transverse axis type cutting roller and the second transverse axis type cutting roller are all pushed into the hard rock roadway section, the first transverse axis type cutting roller and the second transverse axis type cutting roller are in contact with the surrounding rock roadway section after the roadway surrounding rock loosens, the cutting part is driven to integrally do pitching motion through the stretching of the pitching oil cylinder, the surrounding rock is not cut, the up-and-down cutting action of the roadway is completed, after the cutting action of the upper roadway section and the lower roadway section is completed, the second turntable drives the cutting part to transversely move left and right again to complete the cutting work of the left-and-right sections, when the T-shaped roadway is required to cut, the single-axis type hard rock roadway heading machine drives the first transverse axis type cutting roller and the second transverse axis type cutting roller to rotate around the center of the first turntable, and the single-axis type hard rock heading machine can greatly improve the efficiency of the cutting head.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the working structure of the present invention;
FIG. 3 is a schematic diagram of the station structure of the present invention;
fig. 4 is the utility model discloses at T type tunnel working section structure schematic diagram.
In the figure: 1. surrounding rocks of the roadway; 2. a longitudinal axis cutting head; 3. a first transverse-axis cutting drum; 4. a first cantilever; 5. a first turntable; 6. a second turntable; 7. a pitching oil cylinder; 8. a second cantilever; 9. a second transverse-axis cutting drum; 10. a third cantilever.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a novel hard rock tunnelling machine cutterhead, including vertical axis formula cutterhead 2, first cantilever 4 and every single move hydro-cylinder 7, vertical axis formula cutterhead 2 is connected with first revolving platform 5 through first cantilever 4, the other end of first revolving platform 5 passes through bolt and second cantilever 8 fixed connection, every single move hydro-cylinder 7 is installed between second cantilever 8 and second revolving platform 6 through articulated mode, the other end of second revolving platform 6 is fixed in the frame, every single move hydro-cylinder 7 drives the whole reciprocating of cutterhead, second revolving platform 6 drives the whole removal of cutterhead, first horizontal axis formula cutting drum 3 and second horizontal axis formula cutting drum 9 all are connected with first revolving platform 5 through third cantilever 10, first horizontal axis formula cutting drum 3 and second horizontal axis formula cutting drum 9 are located the upper and lower both ends of vertical axis formula cutterhead 2 respectively, first revolving platform 5 can rotate around first cantilever 4 horizontal axis, vertical axis formula cutterhead 2, first horizontal axis formula cutting drum 3 and second horizontal axis formula cutting drum 9 are used for the damage of vertical axis formula cutterhead 1.
Referring to fig. 3, preferably, a cutting motor for driving the longitudinal shaft type cutting head 2 is arranged in the second cantilever 8, a rotating motor for driving the first rotating table 5 to rotate is arranged at the side of the second cantilever 8, the first rotating table 5 can drive the first transverse shaft type cutting drum 3 and the second transverse shaft type cutting drum 9 to rotate to a certain angle, and the embodiment is suitable for cutting a T-shaped roadway.
Preferably, the lengths of the first transverse-axis type cutting drum 3 and the second transverse-axis type cutting drum 9 are smaller than that of the first cantilever 4, the first transverse-axis type cutting drum 3 and the second transverse-axis type cutting drum 9 are located behind the longitudinal-axis type cutting head 2 relative to the roadway surrounding rock 1, and the positions of the longitudinal-axis type cutting head 2, the first transverse-axis type cutting drum 3 and the second transverse-axis type cutting drum 9 are arranged to ensure the cutting sequence of the heading machine after the heading machine is broken.
Further preferably, the first transverse shaft type cutting drum 3 and the second transverse shaft type cutting drum 9 are symmetrical about the rotation center of the first cantilever 4, so that the upper part and the lower part can be simultaneously cut, and the cutting efficiency is improved.
Preferably, the cutting part is integrally mounted on a travelling mechanism, the travelling mechanism is a crawler travelling mechanism, and the travelling mechanism is used as a power system of the heading machine and also used as a power source for crushing and cutting.
The specific working steps are as follows: the novel hard rock roadway heading machine pushes the longitudinal axis type cutting head 2 into roadway surrounding rock 1 under the action of the thrust of the walking mechanism and the cutting force generated by the longitudinal axis type cutting head 2, the roadway surrounding rock 1 starts to loosen under the action of the cutting force generated by the longitudinal axis type cutting head 2, the first transverse axis type cutting drum 3 and the second transverse axis type cutting drum 9 are pushed into the hard rock roadway section completely, the first transverse axis type cutting drum 3 and the second transverse axis type cutting drum 9 are in contact with the surrounding rock roadway section after the roadway surrounding rock 1 loosens, the cutting part is driven to move integrally in a pitching mode through the stretching of the pitching oil cylinder 7, the surrounding rock is not cut, the cutting action of the roadway is finished, after the cutting action of the upper roadway section and the lower roadway section is finished, the second rotary table 6 drives the cutting part to move transversely again to finish the cutting work of the left section and the right section, when the T-shaped roadway needs to rotate, the rotary motor in the first rotary table 5 drives the first transverse axis type cutting drum 3 and the second transverse axis type cutting drum 9 to rotate around the first transverse axis type cutting drum 9, and the rotary table rotates to finish the T-shaped cutting action of the cutting center of the cutting drum 1.
Above-mentioned novel hard rock roadway heading machine has solved the single cutterhead of traditional heading machine and has cut hard rock roadway cutting inefficiency problem, very big improvement tunnelling efficiency.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a novel hard rock roadway entry driving machine cutting units which characterized in that: the vertical shaft type cutting head comprises a vertical shaft type cutting head (2), a first cantilever (4) and a pitching oil cylinder (7), wherein the vertical shaft type cutting head (2) is connected with a first rotary table (5) through the first cantilever (4), the other end of the first rotary table (5) is fixedly connected with a second cantilever (8) through a bolt, the pitching oil cylinder (7) is installed between the second cantilever (8) and a second rotary table (6) in a hinged mode, the other end of the second rotary table (6) is fixed on a rack, the pitching oil cylinder (7) drives a cutting part to integrally move up and down, the second rotary table (6) drives the cutting part to integrally move left and right, the first horizontal shaft type cutting drum (3) and the second horizontal shaft type cutting drum (9) are respectively located at the upper end and the lower end of the vertical shaft type cutting head (2), the first horizontal shaft type cutting drum (3) and the second horizontal shaft type cutting drum (9) can be connected with the first rotary table (5) through a third cantilever (10), and the first horizontal shaft type cutting drum (3) and the second horizontal shaft type cutting drum (9) are respectively located at the upper end and the vertical shaft type cutting head (1) and the horizontal shaft type cutting drum (1).
2. The novel cutting part of the hard rock roadway heading machine as claimed in claim 1, wherein: the cutting motor for driving the longitudinal shaft type cutting head (2) is arranged in the second cantilever (8), and the rotary motor for driving the first rotary table (5) to rotate is arranged on the side of the second cantilever (8).
3. The novel cutting part of the hard rock roadway heading machine as claimed in claim 1, wherein: the length of the first transverse shaft type cutting drum (3) and the length of the second transverse shaft type cutting drum (9) are smaller than that of the first cantilever (4), and the first transverse shaft type cutting drum (3) and the second transverse shaft type cutting drum (9) are located behind the longitudinal shaft type cutting head (2) relative to the roadway surrounding rock (1).
4. The novel cutting part of the hard rock roadway heading machine as claimed in claim 3, wherein: the first transverse-shaft cutting drum (3) and the second transverse-shaft cutting drum (9) are symmetrical about the rotation center of the first cantilever (4).
5. The novel cutting part of the hard rock roadway heading machine according to claim 1, characterized in that: the cutting part is integrally arranged on a traveling mechanism, and the traveling mechanism is a crawler traveling mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222881790.1U CN218324870U (en) | 2022-10-31 | 2022-10-31 | Novel cutting part of hard rock roadway heading machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222881790.1U CN218324870U (en) | 2022-10-31 | 2022-10-31 | Novel cutting part of hard rock roadway heading machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218324870U true CN218324870U (en) | 2023-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222881790.1U Active CN218324870U (en) | 2022-10-31 | 2022-10-31 | Novel cutting part of hard rock roadway heading machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218324870U (en) |
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2022
- 2022-10-31 CN CN202222881790.1U patent/CN218324870U/en active Active
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