CN112993904A - Automatic following type cable dragging device and rapid tunneling system with same - Google Patents
Automatic following type cable dragging device and rapid tunneling system with same Download PDFInfo
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- CN112993904A CN112993904A CN202110177802.XA CN202110177802A CN112993904A CN 112993904 A CN112993904 A CN 112993904A CN 202110177802 A CN202110177802 A CN 202110177802A CN 112993904 A CN112993904 A CN 112993904A
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- cable
- support frame
- dragging
- wire rope
- pulley
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/05—Suspension arrangements or devices for electric cables or lines
- H02G7/06—Suspensions for lines or cables along a separate supporting wire, e.g. S-hook
Abstract
The invention discloses an automatic following type cable dragging device and a rapid tunneling system with the same, wherein the automatic following type cable dragging device comprises a dragging platform, a first support frame, a steel wire rope, a suspension assembly and a dragging piece, and an electric cabinet is arranged on the dragging platform; the first support frame is movably arranged on the dragging platform; the steel wire rope is arranged above the dragging platform, and the steel wire rope and the dragging platform are spaced in the vertical direction; the suspension assemblies are movably arranged on the steel wire rope, one end of the cable is connected with the electric cabinet, the other end of the cable is connected with the first support frame, the cable is provided with a plurality of connecting positions connected with the suspension assemblies, and the connecting positions correspond to the suspension assemblies one by one; the dragging member can drive the first support frame to move in the front-rear direction so as to lengthen and retract the cable. The automatic following type cable dragging device has the advantages of low labor intensity, good safety and high working efficiency.
Description
Technical Field
The invention relates to the technical field of coal mine roadway tunneling equipment, in particular to an automatic following type cable dragging device and a rapid tunneling system with the same.
Background
With the rapid development of the underground coal mine roadway tunneling technology, the roadway tunneling speed is higher and higher, the length of the overlap joint of the bridge type reversed loader and the belt conveyer matched with the tunneled roadway is longer and longer, the longest overlap joint length can reach 25m, and the overlong overlap joint length causes operators behind the tunneller to frequently drag cables, so that the labor intensity is high, more potential safety hazards exist, and in addition, the tunneling efficiency is greatly influenced.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
To this end, an embodiment of the present invention provides an automatic following cable towing device.
The embodiment of the invention provides a rapid tunneling system with the automatic following type cable dragging device.
The automatic following type cable dragging device according to the embodiment of the invention comprises:
dragging the platform;
the electric cabinet is arranged on the dragging platform;
the first support frame is movably arranged on the dragging platform in the front-back direction;
the steel wire rope is arranged above the dragging platform, and the steel wire rope and the dragging platform are spaced in the vertical direction;
a plurality of suspension components which are movably arranged on the steel wire rope in the front-back direction and are positioned between the first support frame and the electric cabinet in the front-back direction,
one end of the cable is connected with the electric cabinet, the other end of the cable is connected with the first support frame, the cable is provided with a plurality of connecting positions connected with the suspension assemblies, and the connecting positions correspond to the suspension assemblies one by one;
a drag capable of driving the first support frame to move in a front-rear direction so as to lengthen and retract the cable.
According to the automatic following type cable dragging device provided by the embodiment of the invention, the cable can be hung on the steel wire rope by the hanging assembly, and the first support frame can drag the cable under the driving of the dragging piece, so that the cable can be lengthened and retracted.
Therefore, the automatic following type cable dragging device provided by the embodiment of the invention has the advantages of low labor intensity, good safety and high working efficiency.
In some embodiments, the auto-follow cable drag device further comprises:
the second support frame is arranged at one end of the dragging platform in the front-back direction; and
a fixed mount; the fixed frame is arranged at the other end of the dragging platform in the front-back direction,
one end of the steel wire rope is connected with the second support frame, the other end of the steel wire rope is connected with the fixing frame, and the suspension assembly is located between the first support frame and the second support frame.
In some embodiments, the automatic following cable dragging device further comprises a first pulley rotatably provided on the first support frame, a rotation axis of the first pulley is parallel to a left-right direction, and a portion of the wire rope passes around the first pulley from above.
In some embodiments, the automatic trailing cable dragging device further includes a second pulley rotatably provided on the first support frame, a rotation axis of the second pulley being parallel to a rotation axis of the first pulley, the first pulley and the second pulley being arranged in opposition in an up-down direction, and a portion of the wire rope passing around the second pulley from below.
In some embodiments, the wire rope includes a first section, a second section, and a third section, the first section is located between the first support frame and the second support frame, the second end is located between the first pulley and the second pulley, the third section is located between the first support frame and the fixed frame, and both the first section and the third section are parallel to the front-back direction.
In some embodiments, the auto-follow cable drag device further comprises:
the first track and the second track are arranged on the dragging platform and are arranged at intervals in the left-right direction;
the first support frame is arranged on the first moving seat, and traveling wheels respectively matched with the first track and the second track are arranged below the first moving seat; and
the second removes the seat, the second support frame with the electric cabinet is established on the second removes the seat, the below that the second removed the seat be equipped with respectively with first track with the walking wheel of second track complex.
In some embodiments, the suspension assembly comprises:
the moving frame is movably arranged on the steel wire rope;
the connecting part of the cable is fixed on the clamping piece; and
and the connecting piece is connected between the moving frame and the clamping piece in the vertical direction.
In some embodiments, the moving frame has a first roller and a second roller, each of the first roller and the second roller is rotatably provided on the moving frame, the first roller and the second roller are arranged opposite to each other in an up-down direction, and a passage through which the cable passes is formed between the first roller and the second roller.
In some embodiments, the clamping member includes a first clamping ring and a second clamping ring, the first clamping ring and the second clamping ring are arranged oppositely in the vertical direction, a first clamping groove is arranged below the first clamping ring, a second clamping groove is arranged above the second clamping ring, and the first clamping groove and the second clamping groove are opposite in the vertical direction and form a clamping hole for clamping the cable.
The rapid tunneling system according to the embodiment of the present invention includes:
the cable dragging device can be the automatic following type cable dragging device in any embodiment;
a heading machine;
the belt conveyor is a dragging platform of the cable dragging device; and
the bridge type reversed loader is connected with the tunneling machine, the bridge type reversed loader is partially overlapped with the belt conveyer, and the bridge type reversed loader is a dragging piece of the cable dragging device.
The rapid tunneling system provided by the embodiment of the invention has the advantages of low labor intensity, good safety and high working efficiency.
Drawings
Fig. 1 is a schematic side view of an automatic following cable towing device according to an embodiment of the present invention.
Fig. 2 is a schematic perspective view of an automatic following cable towing device according to an embodiment of the present invention.
Fig. 3 is a perspective view of the suspension assembly engaged with the cable and cable.
Fig. 4 is a perspective view of the suspension assembly.
Fig. 5 is a schematic perspective view of the second support frame, the steel cable and the second movable base after being matched.
Fig. 6 is one of the operation state diagrams of the automatic follow-up cable towing device according to the embodiment of the present invention.
Fig. 7 is one of the operation state diagrams of the automatic follow-up cable towing device according to the embodiment of the present invention.
Fig. 8 is one of the operation state diagrams of the automatic follow-up cable towing device according to the embodiment of the present invention.
Reference numerals:
a drag platform 100; a fixed frame 110;
a first support frame 200;
a second support 300; a first pulley 310; a second pulley 320;
a wire rope 400; a first segment 410; a second segment 420; a third section 430;
a cable 500;
a suspension assembly 600; a movable frame 610; a first roller 611; a second roller 612; a channel 613; a connecting member 620; a clamping member 630; a first snap ring 631; a second snap ring 632; a chucking hole 633;
a drag member 700;
a first movable base 810; a second movable base 820;
an electric cabinet 900.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
An automatic following cable towing device according to an embodiment of the present invention is described below with reference to the drawings.
As shown in fig. 1 to 8, the automatic following cable towing apparatus according to the embodiment of the present invention includes a towing platform 100, an electric cabinet 900, a first support frame 200, a wire rope 400, a suspension assembly 600, and a towing member 700.
The electric cabinet 900 is disposed on the towing platform 100, and the electric cabinet 900 is located at the rear end of the towing platform 100. The first support frame 200 is movably provided on the towing platform 100 in the front-rear direction. The dragging member 700 can drive the first support frame 200 to move in the front-rear direction in order to lengthen and retract the cable 500.
The wire rope 400 is provided above the towing platform 100, and the wire rope 400 is spaced apart from the towing platform 100 in the up-down direction.
As shown in fig. 1 and 2, the suspension assembly 600 is plural, the suspension assembly 600 is movably provided on the wire rope 400 in the front-rear direction, and the suspension assembly 600 is located between the first support frame 200 and the electric cabinet 900 in the front-rear direction.
One end of the cable 500 is connected to the electric cabinet 900, the other end of the cable 500 is connected to the first support frame 200, the cable 500 has a plurality of connection points connected to the suspension assemblies 600, and the plurality of connection points are in one-to-one correspondence with the plurality of suspension assemblies 600.
Specifically, the lengths of the cables 500 between every two adjacent joints are equal, and when the cables 500 are retracted, the portion of the cables 500 between every two adjacent joints, which is close to the dragging platform 100, is located above the dragging platform 100 and is spaced from the dragging platform 100 by a certain distance, so that the cables 500 can be controlled not to contact with the dragging platform 100, and the cables 500 are prevented from being blocked or even hung up.
According to the automatic following cable towing device of the embodiment of the present invention, the suspension assembly 600 can suspend the cable 500 on the wire rope 400, and the first support frame 200 can tow the cable 500 under the driving of the towing member 700, so that the cable 500 can be lengthened and retracted.
In addition, under the dragging of the dragging member 700 and the first support frame 200, the cable 500 can be automatically lengthened and retracted, and can be always hung up by the hanging assembly 600 during the dragging process, so that the cable 500 can be prevented from being blocked or even hung up.
Therefore, the automatic following type cable dragging device provided by the embodiment of the invention has the advantages of low labor intensity, good safety and high working efficiency.
As shown in fig. 1 and 2, in some embodiments, the automatic following cable towing device according to the embodiment of the present invention further includes a second support frame 300 and a fixing frame 110.
The second support 300 is provided at one end of the towing platform 100 in the front-rear direction, and the fixing frame 110 is provided at the other end of the towing platform 100 in the front-rear direction. Specifically, the second support 300 is disposed at the rear end of the towing platform 100, the second support 300 is adjacent to the electric cabinet 900, and the fixing frame 110 is disposed at the front end of the towing platform 100.
One end of the wire rope 400 is connected to the second support 300, the other end of the wire rope 400 is connected to the fixing frame 110, and the suspension assembly 600 is located between the first support 200 and the second support 300. That is, the wire rope 400 is suspended above the towing platform 100, and the suspension assembly 600 moves in the front and rear direction between the first support frame 200 and the second support frame 300 along the wire rope 400, thereby enabling the extension and retraction of the cable 500.
Therefore, the cable 500 can be automatically extended and retracted under the dragging of the dragging member 700 and the first support frame 200, and can be always hung by the hanging assembly 600 during the dragging process, so that the cable 500 can be prevented from being blocked or even hung up.
As shown in fig. 1, 2 and 5, in some embodiments, the automatic trailing cable pulling device of embodiments of the present invention further includes a first pulley 310. The first pulley 310 is rotatably provided on the first support frame 200, the rotation axis of the first pulley 310 is parallel to the left-right direction, and a portion of the wire rope 400 passes around the first pulley 310 from above.
That is, the wire rope 400 may be divided into two parts, a first part between the first support bracket 200 and the second support bracket 300, and a second part between the first support bracket 200 and the fixing frame 110. As the first support frame 200 moves, the lengths of the first and second portions also change, and the suspension assembly 600 always moves on the first portion.
The first pulley 310 can redirect the steel cable 400 and can tension the first portion to prevent the first portion from sagging, so that the cable 500 can be controlled not to contact the towing platform 100 and the cable 500 can be prevented from being blocked or even hung up.
As shown in fig. 1, 2 and 5, the automatic trailing cable towing device according to the embodiment of the present invention further includes a second pulley 320. The second pulley 320 is rotatably provided on the first support frame 200, the rotation axis of the second pulley 320 is parallel to the rotation axis of the first pulley 310, the first pulley 310 and the second pulley 320 are oppositely arranged in the up-down direction, and a portion of the wire rope 400 passes around the second pulley 320 from below.
That is, the wire rope 400 is divided into three parts. As shown in fig. 1 and 2, steel cord 400 includes a first segment 410, a second segment 420, and a third segment 430. The first section 410 is located between the first support frame 200 and the second support frame 300, the second end is located between the first pulley 310 and the second pulley 320, the third section 430 is located between the first support frame 200 and the fixed frame 110, and both the first section 410 and the third section 430 are parallel to the front-back direction. Likewise, as the first support frame 200 moves, the lengths of the first and third sections 410 and 430 also change, and the suspension assembly 600 always moves on the first section 410.
The first and second pulleys 310 and 320 enable the first section 410 to be further tensioned and enable both the first and third sections 410 and 430 to be parallel to the front-to-rear direction.
It should be noted that the shorter the length of the first segment 410, the easier the tensioning becomes, and the longer the length of the first segment 410, the more the sagging becomes. When the cable 500 is elongated, the length of the first section 410 is gradually increased, and the cable 500 is elongated in the front-rear direction, and the length of the cable 500 in the up-down direction is decreased. When the cable 500 is retracted, the length of the first segment 410 is gradually reduced, the cable 500 is retracted in the front-rear direction, the length of the cable 500 in the up-down direction is increased, and the first pulley 310 and the second pulley 320 can tension the first segment 410 to prevent the first segment 410 from sagging.
Therefore, no matter how the length of the first segment 410 and the length of the cable 500 in the up-down direction are changed, the cable 500 does not contact the towing platform 100, and is not blocked or even hung up.
As shown in fig. 5, each of the first and second pulleys 310 and 320 is provided with an annular groove to be fitted with the wire rope 400. Therefore, during the movement of the first support frame 200, the wire rope 400 is always located in the annular groove, and the wire rope 400 is difficult to separate from the first pulley 310 and the second pulley 320, which is beneficial to the reliability of the wire rope 400.
As shown in fig. 1, 2 and 5, the automatic trailing cable towing apparatus according to the embodiment of the present invention further includes a first rail, a second rail, a first moving base 810 and a second moving base 820.
A first rail and a second rail are provided on the towing platform 100, and the first rail and the second rail are arranged at an interval in the left-right direction.
The first support frame 200 is arranged on the first movable base 810, and traveling wheels respectively matched with the first track and the second track are arranged below the first movable base 810. Therefore, the first support frame 200 can move back and forth on the towing platform 100 along with the first movable seat 810 under the driving of the towing member 700.
The second support frame 300 and the electric cabinet 900 are arranged on the second movable base 820, and traveling wheels respectively matched with the first rail and the second rail are arranged below the second movable base 820. When the cable 500 still cannot meet the use requirement after being lengthened to the maximum length, the second support frame 300 and the electric cabinet 900 can be moved, and the distance between the electric cabinet 900 and the power supply is increased to meet the use requirement.
As shown in fig. 3 and 4, in some embodiments, the suspension assembly 600 includes a moving frame 610, a trim 630, and a connector 620. The moving frame 610 is positioned above the clamping member 630, and the connection member 620 is positioned between the moving frame 610 and the clamping member 630 and connects the moving frame 610 and the clamping member 630 together.
The moving frame 610 has a rectangular frame, a first roller 611 and a second roller 612. the first roller 611 and the second roller 612 are located within the rectangular frame. Each of the first roller 611 and the second roller 612 is rotatably provided on the moving frame 610, the first roller 611 and the second roller 612 are oppositely disposed in an up-down direction, and a passage 613 for the cable 500 to pass through is formed between the first roller 611 and the second roller 612. In addition, the first roller 611 and the second roller 612 are both provided with an annular groove matched with the steel wire rope 400, and the annular groove can enable the moving frame 610 to move along the steel wire rope 400 all the time, so that the moving frame 610 is prevented from changing directions left and right.
The fastener 630 includes a first snap ring 631 and a second snap ring 632. The first snap ring 631 is positioned at the upper side, the second snap ring 632 is positioned at the lower side, the first snap ring 631 is coupled to the connector 620, and the first snap ring 631 and the second snap ring 632 are coupled together by a screw.
The first snap ring 631 and the second snap ring 632 are oppositely arranged in the up-down direction, a first clamping groove is arranged below the first snap ring 631, a second clamping groove is arranged above the second snap ring 632, and the first clamping groove and the second clamping groove are opposite up and down and form a clamping hole 633 for clamping the cable 500. The connection of the cable 500 is positioned in the chucking hole 633, and thus, the connection of the cable 500 is fixed to the chucking member 630. And an elastic pad is provided in the chucking hole 633, so that the cable 500 can be prevented from being damaged.
As shown in fig. 6 to 8, when the automatic trailing cable towing apparatus according to the embodiment of the present invention is operated, the first moving frame 610 moves forward by the driving of the towing member 700, so that the length of the cable 500 in the front-rear direction is increased and the length of the cable 500 in the up-down direction is decreased, the length of the first segment 410 of the wire rope 400 is also increased, and the cable 500 is lengthened.
Similarly, when the first moving frame 610 moves rearward by the driving of the towing member 700, the length of the cable 500 in the front-rear direction is decreased and the length of the cable 500 in the vertical direction is increased, so that the length of the first segment 410 of the wire rope 400 is also decreased and the cable 500 is retracted.
The following describes a rapid tunneling system according to an embodiment of the present invention.
The rapid tunneling system comprises a cable dragging device, a tunneling machine, a belt conveyor and a bridge type reversed loader.
The cable pulling device may be any of the above-described embodiments of the auto-follow cable pulling device.
The belt conveyor is a towing platform 100 of the cable towing device.
It will be appreciated that the belt conveyor has a central frame with opposing channel bars on the left and right sides of the central frame. The channel steels on the left and right sides of the intermediate frame form a first track and a second track of the towing platform 100.
The bridge type reversed loader is connected with the tunneling machine, part of the bridge type reversed loader is in lap joint with the belt conveyer, and the bridge type reversed loader is a dragging piece 700 of the cable dragging device.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, 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 implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" and the like mean that a specific 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 disclosure. 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.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. An automatic trailing cable towing device, comprising:
dragging the platform;
the electric cabinet is arranged on the dragging platform;
the first support frame is movably arranged on the dragging platform in the front-back direction;
the steel wire rope is arranged above the dragging platform, and the steel wire rope and the dragging platform are spaced in the vertical direction;
a plurality of suspension components which are movably arranged on the steel wire rope in the front-back direction and are positioned between the first support frame and the electric cabinet in the front-back direction,
one end of the cable is connected with the electric cabinet, the other end of the cable is connected with the first support frame, the cable is provided with a plurality of connecting positions connected with the suspension assemblies, and the connecting positions correspond to the suspension assemblies one by one;
a drag capable of driving the first support frame to move in a front-rear direction so as to lengthen and retract the cable.
2. The auto-follow cable towing device according to claim 1, further comprising:
the second support frame is arranged at one end of the dragging platform in the front-back direction; and
a fixed mount; the fixed frame is arranged at the other end of the dragging platform in the front-back direction,
one end of the steel wire rope is connected with the second support frame, the other end of the steel wire rope is connected with the fixing frame, and the suspension assembly is located between the first support frame and the second support frame.
3. The auto-follow cable towing device according to claim 2, further comprising a first pulley rotatably provided on the first support frame, the first pulley having a rotation axis parallel to the left-right direction, the first pulley being passed over by the portion of the wire rope from above.
4. The automatic trailing cable dragging device according to claim 3, further comprising a second pulley rotatably provided on the first support frame, wherein a rotation axis of the second pulley is parallel to a rotation axis of the first pulley, wherein the first pulley and the second pulley are arranged to be opposed to each other in an up-down direction, and wherein the portion of the wire rope passes around the second pulley from below.
5. The auto-follow cable towing device according to claim 4, wherein the wire rope comprises a first section, a second section and a third section, the first section is located between the first support frame and the second support frame, the second end is located between the first pulley and the second pulley, the third section is located between the first support frame and the fixed frame, and the first section and the third section are both parallel to the front-back direction.
6. The auto-follow cable towing device according to claim 5, further comprising:
the first track and the second track are arranged on the dragging platform and are arranged at intervals in the left-right direction;
the first support frame is arranged on the first moving seat, and traveling wheels respectively matched with the first track and the second track are arranged below the first moving seat; and
the second removes the seat, the second support frame with the electric cabinet is established on the second removes the seat, the below that the second removed the seat be equipped with respectively with first track with the walking wheel of second track complex.
7. The auto-follow cable towing device according to claim 1, wherein the suspension assembly comprises:
the moving frame is movably arranged on the steel wire rope;
the connecting part of the cable is fixed on the clamping piece; and
and the connecting piece is connected between the moving frame and the clamping piece in the vertical direction.
8. The automatic trailing cable pulling device according to claim 7, wherein the moving frame has a first roller and a second roller, each of the first roller and the second roller being rotatably provided on the moving frame, the first roller and the second roller being arranged to be opposed to each other in an up-down direction, the first roller and the second roller forming a passage therebetween through which the cable passes.
9. The automatic following cable dragging device according to claim 7, wherein the clamping member comprises a first clamping ring and a second clamping ring, the first clamping ring and the second clamping ring are arranged in an up-down direction in an opposite manner, a first clamping groove is arranged below the first clamping ring, a second clamping groove is arranged above the second clamping ring, and the first clamping groove and the second clamping groove are opposite in an up-down direction and form a clamping hole for clamping the cable.
10. A rapid tunneling system, comprising:
a cable pulling device, which may be the automatic following cable pulling device of any one of claims 1-9;
a heading machine;
the belt conveyor is a dragging platform of the cable dragging device; and
the bridge type reversed loader is connected with the tunneling machine, the bridge type reversed loader is partially overlapped with the belt conveyer, and the bridge type reversed loader is a dragging piece of the cable dragging device.
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| CN202110177802.XA CN112993904B (en) | 2021-02-09 | 2021-02-09 | Automatic following type cable dragging device and rapid tunneling system with same |
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| CN202110177802.XA CN112993904B (en) | 2021-02-09 | 2021-02-09 | Automatic following type cable dragging device and rapid tunneling system with same |
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| CN112993904B (en) | 2022-12-27 |
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