CN220015218U - Shield mechanism of tunneling and anchoring integrated machine - Google Patents
Shield mechanism of tunneling and anchoring integrated machine Download PDFInfo
- Publication number
- CN220015218U CN220015218U CN202321001619.5U CN202321001619U CN220015218U CN 220015218 U CN220015218 U CN 220015218U CN 202321001619 U CN202321001619 U CN 202321001619U CN 220015218 U CN220015218 U CN 220015218U
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- shield body
- integrated machine
- telescopic
- lower shield
- tunneling
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- 238000004873 anchoring Methods 0.000 title claims abstract description 46
- 230000005641 tunneling Effects 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 title claims abstract description 18
- 230000008093 supporting effect Effects 0.000 claims abstract description 11
- 238000005553 drilling Methods 0.000 claims abstract description 8
- 238000005520 cutting process Methods 0.000 description 5
- 230000006378 damage Effects 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model relates to a shield mechanism of an excavating and anchoring integrated machine, which is positioned in front of an upper supporting and anchoring drilling machine of the excavating and anchoring integrated machine and mainly comprises an upper shield body, a lower shield body, a lifting upright post, a telescopic beam and a telescopic oil cylinder, wherein the lower shield body is integrally U-shaped, and the lower shield body is integrally formed or fixedly connected with a chassis of the excavating and anchoring integrated machine; the upper shield body is the door-shaped integrally, and lower shield body both sides set up the lower part cavity that the opening is up, and upper shield body both sides set up stretch into lower part cavity is inside and with lower shield body slip direction complex inserted bar, lift stand both ends respectively with upper shield body topside, lower shield body base are articulated, the lift stand is equipped with two and distributes in lower shield body both sides, upper shield body topside front end sets up the flexible cavity that supplies the telescopic girder to stretch into, flexible hydro-cylinder both ends respectively with upper shield body topside's downside, telescopic girder downside articulates. The utility model has the advantages of good structural strength, difficult deformation, large supporting area and temporary advanced support function, and improves the operation safety and the tunneling efficiency while providing reliable support.
Description
Technical Field
The utility model relates to the technical field of coal mine tunnel tunneling equipment, in particular to a shield mechanism of an excavating and anchoring integrated machine.
Background
In recent years, the tunneling and anchoring integrated machine is rapidly developed and applied in the field of coal mine tunneling, and gradually replaces the traditional tunneling and anchoring machine (adopting a cantilever tunneling machine and a tunneling and anchoring machine with an on-board anchor rod drilling machine) to become the first-choice equipment for rapid tunneling of a large-section tunnel. The rear part of the tunneling and anchoring integrated machine is provided with an anchor rod transfer unit, a bridge type belt transfer machine and a self-moving tail, so that parallel tunneling and anchoring operation is realized, a rear part continuous conveying system is formed, the functions of one-time tunneling, synchronous tunneling and anchoring, continuous conveying and the like can be realized, and the working efficiency and the safety of tunneling are greatly improved.
The front part of the existing tunneling and anchoring integrated machine body is provided with a shield, the shield consists of a single-layer support plate and a support oil cylinder supported on the lower side of the support plate, a shield support area is overlapped with the operation area of the anchoring drilling machine, a notch for providing an operation space for the anchoring drilling machine is formed in the support plate, the shield is thin in structure and small in support area, the top plate is easy to be damaged due to pressure or improper operation, and the top plate is difficult to be effectively supported; the front part of the cutting drum cutting operation has an empty top area, the existing shield can only play a role in assisting in supporting a net, the front end empty top area is difficult to effectively support, equipment is crushed or an operator is injured or a safety accident is caused due to the fact that a false top or a direct top falls off, and the novel front end empty top protection device has a large potential safety hazard.
Disclosure of Invention
The utility model aims to provide a shield mechanism of an excavating and anchoring integrated machine, which can solve the technical problems that the existing shield of the excavating and anchoring integrated machine has small supporting area, is easy to damage and cannot support an empty roof area.
The utility model provides the following technical scheme: the shield mechanism of the tunneling and anchoring integrated machine is positioned in front of an upper supporting and anchoring drilling machine of the tunneling and anchoring integrated machine and mainly comprises an upper shield body, a lower shield body, a lifting upright post, a telescopic beam and a telescopic oil cylinder, wherein the lower shield body is integrally U-shaped, and the lower shield body is integrally formed or fixedly connected with a chassis of the tunneling and anchoring integrated machine; the upper shield body is integrally in a door shape, two sides of the lower shield body are provided with a lower cavity with an upward opening, two sides of the upper shield body are provided with inserted bars which extend into the lower cavity and are in sliding guide fit with the lower shield body, two ends of a lifting upright post are respectively hinged with the top edge of the upper shield body and the bottom edge of the lower shield body, two lifting upright posts are arranged and distributed on two sides of the lower shield body, and the lifting upright posts are positioned in the middle of the upper shield body in the front-rear direction; the front end of the top edge of the upper shield body is provided with a telescopic cavity into which the telescopic beam extends, and two ends of the telescopic cylinder are respectively hinged with the lower side of the top edge of the upper shield body and the lower side of the telescopic beam.
Further, the bottom cavity towards the outer side of the lower shield body is arranged on the two sides of the bottom edge of the lower shield body, a bottom adjusting beam and a bottom adjusting oil cylinder are arranged in the bottom cavity, the inner end of the bottom adjusting oil cylinder is connected with the lower shield body, the outer end of the bottom adjusting oil cylinder is connected with the bottom adjusting beam, and the bottom adjusting beam is used for driving the bottom adjusting beam to stretch relative to the lower shield body.
Furthermore, the lower ends of two sides of the upper shield body are provided with protection plates which extend downwards.
In summary, the utility model has the following beneficial effects: when the shield mechanism of the tunneling and anchoring integrated machine is used, the lifting upright posts stretch to drive the upper shield body to slide up and down relative to the lower shield body so as to realize free lifting of the upper shield body, and the upper shield body supports a roadway top plate under the action of the lifting upright posts; when an empty roof area appears at the front end of the cutting operation, the telescopic cylinder is driven to drive the telescopic beam to extend forwards, so that a temporary advanced support function is realized, equipment loss or personnel injury caused by the falling of a false roof or a direct roof is avoided, and the safety of personnel and equipment is ensured; the bottom of the lower shield body is provided with a hidden bottom adjusting beam, and when the tunneling and anchoring integrated machine moves forwards, the bottom adjusting oil cylinder is driven to extend out of the bottom adjusting beam, so that the functions of mobile deviation correction and adjustment can be achieved through the reaction force of the side edge of a roadway; the protection plates are arranged on the two sides of the upper shield body, so that coal blocks or stone blocks can be prevented from rolling into the tunneling and anchoring integrated machine from the position between the upper shield body and the lower shield body to damage equipment or influence equipment operation, and the function of preventing the ledge is achieved.
Drawings
Fig. 1 is a schematic perspective view of a concrete embodiment 1 of a shield mechanism of an excavating and anchoring integrated machine according to the present utility model;
FIG. 2 is a front view of a particular embodiment 1 of a shield mechanism of an excavating and anchoring integrated machine of the present utility model;
FIG. 3 is a right side view of a particular embodiment 1 of a shield mechanism of an excavating and anchoring integrated machine of the present utility model;
FIG. 4 is a cross-sectional view at A-A in FIG. 3;
FIG. 5 is a schematic view of a shield mechanism of an all-in-one machine of the present utility model in accordance with embodiment 1;
reference numerals: 1-a lower shield body; 2-upper shield body; 3-lifting upright posts; 4-inserting a rod; 5-telescoping beams; 6-a telescopic oil cylinder; 7-bottom adjusting beam; 8-protecting plates; 9-bottom adjusting oil cylinder; 10-an excavating and anchoring integrated machine; 11-top anchor drilling machine.
Detailed Description
The present utility model will be described in detail with reference to the accompanying drawings.
The utility model relates to a concrete embodiment 1 of a shield mechanism of an excavating and anchoring integrated machine, which comprises the following steps:
the concrete structure of the utility model is shown in fig. 1-4, the concrete position is shown in fig. 5, the concrete position is positioned in front of a top anchor drilling machine 11 on an excavating and anchoring integrated machine 10, a shield mechanism of the excavating and anchoring integrated machine comprises a lower shield body 1, an upper shield body 2, a lifting upright post 3, a telescopic beam 5, a telescopic oil cylinder 6, a bottom adjusting beam 7 and a bottom adjusting oil cylinder 9, the whole lower shield body 1 is of a U-shaped structure with an upward opening, and the lower shield body 1 is fixed or integrally formed on a chassis of the excavating and anchoring integrated machine 10. The whole upper shield body 2 is of a door-shaped structure with a downward opening, and two ends of the lifting upright post 3 are respectively hinged with the bottom edge of the lower shield body 1 and the top edge of the upper shield body 2. The lower shield body 1 both sides set up the lower cavity that the opening is up, go up shield body 2 both sides and set up the inserted bar 4 with lower cavity adaptation, insert bar 4 insert in the lower cavity and with lower shield body 1 slip direction cooperation, under the effect of lift stand 3, go up shield body 2 can be flexible the going up and down relative lower shield body 1, lift stand 3 is equipped with two and is located the both sides of lower shield body respectively, the lift stand is located shield body intermediate position in the fore-and-aft direction.
The front side of the top edge of the upper shield body 2 is provided with a telescopic cavity for the telescopic beam 5, the telescopic cylinder 6 is used for driving the telescopic beam 5 to extend and retract relative to the top edge of the upper shield body, the telescopic cylinder 6 is positioned below the telescopic beam 5, and two ends of the telescopic cylinder 6 are hinged with the lower side of the telescopic beam 5 and the lower side of the top edge of the upper shield body 2 respectively. When the cutting operation of the excavating and anchoring integrated machine is performed in front of the empty roof, the telescopic cylinder 6 is controlled to enable the telescopic beam 5 to extend forwards, the purpose of temporary advanced support is achieved, and the safety problem caused by the front empty roof falling is prevented. In the utility model, two telescopic beams 5 are arranged, four telescopic cylinders 6 are arranged, and each telescopic beam 6 is driven to stretch by two telescopic cylinders 6.
The bottom cavity with outward openings is arranged on the two sides of the bottom edge of the lower shield body 1, the bottom adjusting jack 9 and the bottom adjusting beam 7 are arranged in the bottom cavity, the inner end of the bottom adjusting jack 9 is fixedly connected with the lower shield body 1, the outer end of the bottom adjusting jack is connected with the bottom adjusting beam 7, the bottom adjusting jack 9 can be driven to extend out of the bottom adjusting beams 7 on the two sides when the tunneling and anchoring integrated machine moves forwards, and the purpose of correcting deviation and adjusting direction is achieved by the reaction force generated by the bottom adjusting beams 7 and the roadway side walls in a propping mode. In addition, the lower ends of the two sides of the upper shield body are provided with the downward extending protection plates 8, and the protection plates 8 are blocked and protected on the outer sides of the upper shield body and the lower shield body, so that a certain protection effect can be achieved, and coal or stone can be prevented from entering the inside of the tunneling and anchoring integrated machine to damage equipment or influence the equipment.
The shield mechanism of the tunneling and anchoring integrated machine has a frame structure as a whole, has good deformation resistance and high strength, and can achieve a stable supporting effect; the positions are distributed in front of the anchoring operation area, the interference problem with the anchoring operation is not considered in the top supporting area, the supporting area is limited little, the supporting area is increased, and reliable and stable supporting is realized. In addition, the device also has a temporary advanced support function and a correction function, when the cutting operation is performed and the empty roof appears, the telescopic cylinder is driven to extend out of the telescopic beam, so that the front empty roof area can be temporarily supported, equipment is prevented from being broken or personal injury is prevented, and the operation safety is improved; in the forward moving process of the tunneling and anchoring integrated machine, the purposes of correction and adjustment can be achieved through the bottom adjustment oil cylinder and the bottom adjustment beam.
The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (3)
1. The shield mechanism of the tunneling and anchoring integrated machine is characterized in that the shield mechanism is positioned in front of an upper supporting and anchoring drilling machine of the tunneling and anchoring integrated machine and mainly comprises an upper shield body, a lower shield body, a lifting upright post, a telescopic beam and a telescopic oil cylinder, wherein the lower shield body is integrally U-shaped, and the lower shield body is integrally formed or fixedly connected with a chassis of the tunneling and anchoring integrated machine; the upper shield body is integrally in a door shape, two sides of the lower shield body are provided with a lower cavity with an upward opening, two sides of the upper shield body are provided with inserted bars which extend into the lower cavity and are in sliding guide fit with the lower shield body, two ends of a lifting upright post are respectively hinged with the top edge of the upper shield body and the bottom edge of the lower shield body, two lifting upright posts are arranged and distributed on two sides of the lower shield body, and the lifting upright posts are positioned in the middle of the upper shield body in the front-rear direction; the front end of the top edge of the upper shield body is provided with a telescopic cavity into which the telescopic beam extends, and two ends of the telescopic cylinder are respectively hinged with the lower side of the top edge of the upper shield body and the lower side of the telescopic beam.
2. The shield mechanism of the tunneling and anchoring integrated machine according to claim 1, wherein bottom cavities facing the outer side of the lower shield body are arranged on two sides of the bottom edge of the lower shield body, a bottom adjusting beam and a bottom adjusting oil cylinder are arranged in the bottom cavities, and the inner end of the bottom adjusting oil cylinder is connected with the lower shield body, the outer end of the bottom adjusting oil cylinder is connected with the bottom adjusting beam, and the bottom adjusting beam is used for driving the bottom adjusting beam to stretch relative to the lower shield body.
3. The shield mechanism of the tunneling and anchoring integrated machine according to claim 1 or 2, wherein the lower ends of two sides of the upper shield body are provided with downward extending protection plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321001619.5U CN220015218U (en) | 2023-04-28 | 2023-04-28 | Shield mechanism of tunneling and anchoring integrated machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321001619.5U CN220015218U (en) | 2023-04-28 | 2023-04-28 | Shield mechanism of tunneling and anchoring integrated machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220015218U true CN220015218U (en) | 2023-11-14 |
Family
ID=88681451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321001619.5U Active CN220015218U (en) | 2023-04-28 | 2023-04-28 | Shield mechanism of tunneling and anchoring integrated machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220015218U (en) |
-
2023
- 2023-04-28 CN CN202321001619.5U patent/CN220015218U/en active Active
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