CN112392480A - Step-changing self-moving device for assisting tunneling machine in large-gradient tunneling operation - Google Patents
Step-changing self-moving device for assisting tunneling machine in large-gradient tunneling operation Download PDFInfo
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- CN112392480A CN112392480A CN202011387202.8A CN202011387202A CN112392480A CN 112392480 A CN112392480 A CN 112392480A CN 202011387202 A CN202011387202 A CN 202011387202A CN 112392480 A CN112392480 A CN 112392480A
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- upper supporting
- pushing
- tunneling
- auxiliary device
- positioning
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/006—Equipment transport systems
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/04—Transport of mined material in gravity inclines; in staple or inclined shafts
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical 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 discloses a step-changing self-moving device for assisting a tunneling machine in large-gradient tunneling operation, which comprises a front positioning limited-slip pushing auxiliary device and a rear positioning limited-slip pushing auxiliary device; the front positioning and sliding limiting push auxiliary device and the rear positioning and sliding limiting push auxiliary device are both provided with a device body, the device body is a metal square frame, a left upper supporting piece and a right upper supporting piece are respectively arranged on two sides of the device body, the left upper supporting piece and the right upper supporting piece are rotatably connected with the top ends of two sides of the device body through connecting hinges, tightening oil cylinders rotatably connected with the tightening oil cylinders are arranged at the bottom ends of two sides of the device body, the front ends of the tightening oil cylinders are positioned in the center of the length direction of the corresponding upper supporting pieces and rotatably connected with the corresponding upper supporting pieces, and two front push oil cylinders are arranged on the front side of the front positioning and sliding limiting push auxiliary device; the device solves the problems that the climbing force is insufficient during climbing operation of the tunneling machine in the tunnel with large gradient and positioning operation cannot be carried out in the tunnel, and realizes the process of mechanical tunneling operation in the tunnel with large gradient.
Description
Technical Field
The invention relates to mining equipment, in particular to a step-changing self-moving device for assisting a tunneling machine in large-gradient tunneling operation.
Background
In mine operation, the traditional hole cutting tunneling method is a blasting coal breakage method, and the blasting coal breakage process comprises the following steps: the method comprises the working procedures of drilling, charging, filling foam mud, connecting blasting lines, blasting, manually cleaning coal, manually charging coal, conveying coal by a scraper conveyor or an enamel chute, conveying coal by a rubber belt conveyor and the like. The blasting coal breakage method realizes mechanization of all the other procedures except the coal conveying procedure, and all the other procedures are manual operations.
The method has the problems of multiple processes, high safety risk, low yield and efficiency, poor tunnel forming effect and high labor intensity of workers.
Disclosure of Invention
The invention aims to provide a step-changing self-moving device for assisting a tunneling machine in large-gradient tunneling operation, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a step-changing self-moving device for assisting the heavy-gradient tunneling operation of a tunneling machine comprises a front positioning and sliding-limiting pushing auxiliary device and a rear positioning and sliding-limiting pushing auxiliary device; the front positioning limited-slip pushing auxiliary device and the rear positioning limited-slip pushing auxiliary device are both provided with a device body, the device body is a metal square frame, a left upper supporting piece and a right upper supporting piece are respectively arranged on two sides of the device body, the left upper supporting piece and the right upper supporting piece are rotatably connected with the top ends of two sides of the device body through connecting hinges, tightening oil cylinders rotatably connected with the tightening oil cylinders are arranged at the bottom ends of two sides of the device body, the front ends of the tightening oil cylinders are located in the center of the length direction of the corresponding upper supporting pieces and rotatably connected with the corresponding upper supporting pieces, two front pushing oil cylinders are arranged on the front side of the front positioning limited-slip pushing auxiliary device, two rear pushing oil cylinders are arranged on the front side of the rear positioning limited-slip pushing auxiliary device, and the front ends of the rear pushing oil cylinders are located on the tail side.
As a preferred embodiment of the present invention: the front ends of the left upper supporting piece and the right upper supporting piece are respectively provided with a supporting boot, and the supporting boots are rotatably connected with the corresponding upper supporting pieces.
Compared with the prior art, the invention has the beneficial effects that: the device utilizes a large-gradient tunneling auxiliary device which is researched and designed and mainly comprises a left side support and a right side support of a tunnel, solves the problems that the climbing force is insufficient when a tunneling machine in the large-gradient tunnel climbs and the tunnel can not be positioned, and realizes the mechanized tunneling operation process in the large-gradient tunnel; the large-gradient tunneling auxiliary device provides climbing supporting and positioning force for the tunneling machine by utilizing the structural design of the large-gradient tunneling auxiliary device, provides climbing auxiliary driving force during operation of the tunneling machine, and performs self-moving after self-changing steps, so that the tunneling operation of the tunneling machine at a large gradient is realized, and the steps of mechanical coal breakage, coal cleaning and coal transportation are realized.
1. Features of the apparatus
The device has simple and reliable structure, the two sets of devices compensate each other, and the positioning and pushing auxiliary device has a self-locking function and can reliably ensure the construction safety. The whole set of auxiliary device adopts a hydraulic system of the development machine to provide power for each oil cylinder, and no additional power equipment is needed. The top positioning and sliding limiting auxiliary device and the rear positioning pushing auxiliary device are matched for use, so that the propelling and step-changing self-moving work during large-gradient operation can be realized.
2. Improve mechanization, realize personnel reduction and efficiency improvement
The mechanical hole cutting and tunneling can be realized, the traditional blasting coal breakage method is eliminated, the working efficiency is greatly improved, the labor intensity is reduced, and the number of construction operators is reduced (the number of workers is 8 in total because of the need of team leader, safety personnel, blasting personnel, and blasting coal cleaning and supporting personnel during the operation of the traditional blasting coal breakage method, and the operation can be completed only by 1 operator of the tunneling machine after the mechanical operation is realized).
3. Increase the safety guarantee and realize the safety increase
The positioning pushing auxiliary device adopted by the design is simple and reliable in structure, the two sets of devices are mutually compensated, and the device has an anti-slip self-locking function and can reliably guarantee the construction safety. The device is self-moved in a stepping mode, and matched with the forward and backward movement of the excavator, the personnel intervention is not needed, and the threat of the impact ground pressure to the life safety of equipment and personnel is eliminated.
All safety threats generated by blasting coal breakage intermediate links are eliminated, such as: the transportation, filling and initiation of the explosive, manual coal cleaning, coal transportation and other links.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
In the figure, 1-a front push oil cylinder, 2-a left upper support piece, 3-a connecting hinge, 4-a tightening oil cylinder, 5-a boot, 6-a right upper support piece, 7-a rear push oil cylinder and 8-a device body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, in the embodiment of the present invention, a step-changing self-moving device for assisting a tunneling operation of a tunneling machine in a heavy slope includes a front positioning and slip-limiting push assisting device and a rear positioning and slip-limiting push assisting device, where the front positioning and slip-limiting push assisting device mainly functions to support a left lane side in a roadway through a left support assembly, the right lane side in the roadway through a right support assembly, and applies a forward and reverse acting force to the left lane side and the right lane side in the roadway to realize positioning and slip limiting, and the rear positioning and slip-limiting push assisting device mainly functions to support the left lane side in the roadway through the left support assembly, support the right lane side in the roadway through the right support assembly, and apply a forward and reverse acting force to the left lane side and the; the front positioning and sliding limiting push assisting device and the rear positioning and sliding limiting push assisting device are both provided with a device body 8, the device body 8 is a metal square frame, a left help supporting piece 2 and a right help supporting piece 6 are respectively arranged on two sides of the device body 8, the left help supporting piece 2 and the right help supporting piece 6 are rotatably connected with the top ends of two sides of the device body 8 through connecting hinges 3, tightening oil cylinders 4 rotatably connected with the bottom ends of two sides of the device body 8 are arranged at the bottom ends of two sides of the device body 8, the front ends of the tightening oil cylinders 4 are positioned in the center of the length direction of the corresponding help supporting pieces and rotatably connected with the corresponding help supporting pieces, two front push oil cylinders 1 are arranged on the front side of the front positioning and sliding limiting push assisting device, two rear push oil cylinders 7 are arranged on the front side of the rear positioning and sliding limiting push assisting device, and the front ends of the rear push oil cylinders 7 are positioned.
Furthermore, the front ends of the left upper supporting piece 2 and the right upper supporting piece 6 are respectively provided with a supporting boot 5, and the supporting boot 5 is rotatably connected with the corresponding upper supporting piece.
When the device works, the front positioning limited-slip pushing auxiliary device realizes pushing and tunneling operation on the large gradient of the development machine through two pushing cylinders at the front part of the device, and the rear positioning limited-slip pushing auxiliary device realizes pushing and tunneling operation on the large gradient of the development machine and self-moving of the whole limited-slip pushing auxiliary device through the expansion of four pushing cylinders of the front positioning limited-slip pushing auxiliary device and the rear positioning limited-slip pushing auxiliary device.
The device design structure has the anti-skidding self-locking function (if prop tight hydro-cylinder 4 and become invalid, because the workplace slope is great, whole equipment can downward swift current slope, the action of gravity of equipment passes auxiliary device's frame and connecting rod through the location and turns into the yawing force that compresses tightly support boots 5, because the connecting rod with prop the contained angle between boots 5 and be less than the friction angle who props boots 5 and the lane group, it is tight more that the boots 5 and the crowded lane group are propped to lead to the gravity down big more, form the auto-lock, this mechanical mechanism can guarantee that equipment can not take place the swift current slope, realize anti-skidding self-locking function), make it firm in the tunnel, the auxiliary cylinder stretches out, promote the operation of going up the slope of entry driving unit.
When the tunneling machine retreats, the oil cylinder of the front positioning and sliding limiting auxiliary device is unloaded, the pushing oil cylinder of the rear positioning and pushing auxiliary device is contracted, and the thrust is retracted, so that the tunneling auxiliary retreating is realized; when the rear positioning pushing auxiliary device moves forwards or backwards and moves automatically, the oil cylinder of the front positioning limited slip auxiliary device extends out to apply pressure to two sides of the roadway, so that limited slip positioning of the development machine in the roadway is realized; two oil cylinders of the left and right supporting pieces of the rear positioning pushing auxiliary device retract, and the pushing oil cylinders extend out or retract to realize the backward or forward step-changing self-moving of the rear positioning pushing auxiliary device.
The device realizes the tunneling operation of the fully-mechanized excavating machine in a large-gradient tunnel, supports a left tunnel side through a left supporting assembly and supports a right tunnel side through a right supporting assembly in the tunnel by utilizing the manufactured auxiliary device mainly supporting the left side and the right side of the tunnel, and applies positive and negative acting force to the left tunnel side and the right tunnel side of the tunnel to realize positioning and limited slip; the pushing and tunneling operation of the tunneling machine on the large slope is realized through the two pushing cylinders at the front part of the device; the pushing oil cylinder extends out or retracts to realize the backward or forward step-changing self-moving of the front and rear positioning pushing auxiliary devices, so that the aims of ensuring good tunnel forming effect, improving the tunneling efficiency, improving the mechanization degree, reducing the labor intensity of workers and the like can be fulfilled.
The working principle of the invention is as follows: .
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. A step-changing self-moving device for assisting a tunneling machine in large-gradient tunneling operation is characterized by comprising a front positioning limited-slip pushing auxiliary device and a rear positioning limited-slip pushing auxiliary device; the front positioning limited-slip pushing auxiliary device and the rear positioning limited-slip pushing auxiliary device are both provided with a device body (8), a left upper supporting piece (2) and a right upper supporting piece (6) are respectively arranged at the two sides of the device body (8), the left upper supporting piece (2) and the right upper supporting piece (6) are rotatably connected with the top ends of the two sides of the device body (8) through a connecting hinge (3), the bottom ends of the two sides of the device body (8) are provided with a tightening oil cylinder (4) which is rotationally connected with the device body, the front end of the tightening oil cylinder (4) is positioned at the center of the length direction of the corresponding side support piece and is rotationally connected with the side support piece, the front side of the front positioning limited-slip pushing auxiliary device is provided with a front pushing oil cylinder (1), the front side of the rear positioning limited-slip pushing auxiliary device is provided with a rear pushing oil cylinder (7), and the front end of the rear pushing oil cylinder (7) is positioned at the tail side of a device body (8) in the front positioning limited-slip pushing auxiliary device.
2. The step-changing self-moving device for assisting the tunneling operation of the tunneling machine in a large slope according to claim 1, wherein the number of the front pushing cylinders (1) on the front positioning and slip limiting pushing assisting device and the number of the rear pushing cylinders (7) on the rear positioning and slip limiting pushing assisting device are both two.
3. The step-changing self-moving device for assisting the heavy-gradient tunneling operation of a tunneling machine according to claim 1, wherein the device body (8) is a metal frame.
4. The step-changing self-moving device for assisting the large-gradient tunneling operation of the tunneling machine according to claim 1 or 2, wherein the front ends of the left upper supporting piece (2) and the right upper supporting piece (6) are respectively provided with a supporting shoe (5), and the supporting shoes (5) are rotatably connected with the corresponding upper supporting pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011387202.8A CN112392480A (en) | 2020-12-02 | 2020-12-02 | Step-changing self-moving device for assisting tunneling machine in large-gradient tunneling operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011387202.8A CN112392480A (en) | 2020-12-02 | 2020-12-02 | Step-changing self-moving device for assisting tunneling machine in large-gradient tunneling operation |
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| Publication Number | Publication Date |
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| CN112392480A true CN112392480A (en) | 2021-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011387202.8A Pending CN112392480A (en) | 2020-12-02 | 2020-12-02 | Step-changing self-moving device for assisting tunneling machine in large-gradient tunneling operation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202484A (en) * | 2021-04-14 | 2021-08-03 | 中铁二十三局集团第六工程有限公司 | Correction device for TBM (tunnel boring machine) forward direction deviation and application method thereof |
-
2020
- 2020-12-02 CN CN202011387202.8A patent/CN112392480A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113202484A (en) * | 2021-04-14 | 2021-08-03 | 中铁二十三局集团第六工程有限公司 | Correction device for TBM (tunnel boring machine) forward direction deviation and application method thereof |
| CN113202484B (en) * | 2021-04-14 | 2024-04-05 | 中铁二十三局集团第六工程有限公司 | Correction device for TBM advancing direction deviation and use method thereof |
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