阅读说明：本技术 一种矩形顶管机多开挖系统自动控制方法 (Automatic control method for multi-excavation system of rectangular pipe jacking machine ) 是由 郭宏耀 刘恒 陈福涛 林振伟 于 2021-08-31 设计创作，主要内容包括：本发明涉及矩形顶管机技术领域,具体为一种矩形顶管机多开挖系统自动控制方法,包括主开挖系统、第一辅助开挖系统、第二辅助开挖系统、盾体和主控器,所述主开挖系统、第一辅助开挖系统和第二辅助开挖系统设置在所述盾体上,所述主开挖系统、第一辅助开挖系统和第二辅助开挖系统与所述主控器连接,该矩形顶管机多开挖系统自动控制方法,盾体上设置有主开挖系统、第一辅助开挖系统和第二辅助开挖系统,保证在开挖时掌子面全覆盖,在上铣挖头和下铣挖头周侧设置有高压冲刷喷口,方便对上铣挖头和下铣挖头进行冲洗。(The invention relates to the technical field of rectangular pipe pushers, in particular to an automatic control method of a multi-excavation system of a rectangular pipe pushers, which comprises a main excavation system, a first auxiliary excavation system, a second auxiliary excavation system, a shield body and a main controller, wherein the main excavation system, the first auxiliary excavation system and the second auxiliary excavation system are arranged on the shield body, and are connected with the main controller.)

1. The automatic control method of the multi-excavation system of the rectangular pipe jacking machine comprises a main excavation system, a first auxiliary excavation system, a second auxiliary excavation system, a shield body (1) and a main controller, and is characterized in that: the main excavation system, the first auxiliary excavation system and the second auxiliary excavation system are arranged on the shield body (1), the main excavation system, the first auxiliary excavation system and the second auxiliary excavation system are connected with the main controller, the main excavation system comprises a plurality of groups of cutter discs (2), first blind areas (6) of the main excavation system are arranged on the left side and the right side of the shield body (1), the first auxiliary excavation system comprises two groups of rollers (3) which are symmetrically arranged, the rollers (3) are matched with the first blind areas (6), upper blind areas (7) of the main excavation system and lower blind areas (8) of the main excavation system are respectively arranged at the upper end and the lower end of the shield body (1), the second auxiliary excavation system comprises a plurality of groups of upper milling heads (4) and a plurality of groups of lower milling heads (5), and the upper milling heads (4) are matched with the upper blind areas (7), the lower milling and digging head (5) is matched with the lower blind area (8), the upper milling and digging head (4) and the lower milling and digging head (5) are provided with position monitoring modules, the main excavation system, the first auxiliary excavation system and the second auxiliary excavation system are respectively provided with a gear module, the main controller comprises an automatic module, a lubrication detection module, a propulsion module, a high-pressure scouring module and a second auxiliary excavation system driving module, the automatic module, the lubrication detection module, the propulsion module, the high-pressure scouring module, the second auxiliary excavation driving module, the main excavation system gear module, the first auxiliary excavation system gear module, the second auxiliary excavation gear module, the main excavation system position detection module, the first auxiliary excavation system position detection module and the second auxiliary excavation position detection module are electrically connected, and the shield body (1) is provided with a high-pressure scouring nozzle, the high-pressure scouring nozzles are arranged on the peripheral sides of the upper milling and digging head (4) and the lower milling and digging head (5).

2. The automatic control method of the rectangular pipe jacking machine multi-excavation system of claim 1, characterized in that: the gear module includes a low gear and a high gear.

3. The automatic control method of the rectangular pipe jacking machine multi-excavation system according to claim 2, characterized in that: the lubricating detection module comprises a driving gear oil module, a roller (3), an upper milling and digging head (4), a lower milling and digging head (5), a lubricating module and a driving lubricating system module.

4. The automatic control method of the rectangular pipe jacking machine multi-excavation system according to claim 3, characterized in that: the main controller further comprises a warning module, and the warning module is connected with the lubricating detection module and the second auxiliary excavation position detection module.

5. The automatic control method of the rectangular pipe jacking machine multi-excavation system of claim 4, characterized in that: the second auxiliary excavation driving module comprises an upper milling excavation head (4) driving module and a lower milling excavation head (5) driving module, the upper milling excavation head (4) driving module controls the upper milling excavation head (4) to move left and right, and the lower milling excavation head (5) driving module controls the lower milling excavation head (5) to move left and right.

6. The automatic control method of the rectangular pipe jacking machine multi-excavation system of claim 5, characterized in that: the shield body (1) is provided with a plurality of groups of initial positions which are respectively in one-to-one correspondence with a plurality of groups of upper milling and digging heads (4) and a plurality of groups of lower milling and digging heads (5).

Technical Field

The invention relates to the technical field of rectangular push bench, in particular to an automatic control method for a multi-excavation system of a rectangular push bench.

Background

The pipe jacking machine mainly comprises an excavation system, a main jacking hydraulic propulsion system, a muck conveying system, measuring equipment, ground hoisting equipment, an electrical system and the like. The existing rectangular pipe jacking machine excavation system usually adopts a rotary cutter head as a main excavation system, and the excavation system enables an excavation blind area to exist in a rectangular section, so that the rectangular pipe jacking machine can only be suitable for a soft soil stratum, and the rectangular pipe jacking system is high in use limitation.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the automatic control method of the rectangular pipe jacking machine multi-excavation system, which is characterized in that an auxiliary excavation system is designed besides a main excavation system, and the auxiliary excavation system is used for performing supplementary excavation on the blind area position so as to achieve the effect of full-section excavation.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: an automatic control method for a multi-excavation system of a rectangular pipe jacking machine comprises a main excavation system, a first auxiliary excavation system, a second auxiliary excavation system, a shield body and a main controller, wherein the main excavation system, the first auxiliary excavation system and the second auxiliary excavation system are arranged on the shield body, the main excavation system, the first auxiliary excavation system and the second auxiliary excavation system are connected with the main controller, the main excavation system comprises a plurality of groups of cutter heads, first blind areas of the main excavation system are arranged on the left side and the right side of the shield body, the first auxiliary excavation system comprises two groups of symmetrically arranged rollers, the rollers are matched with the first blind areas, upper blind areas of the main excavation system and lower blind areas of the main excavation system are respectively arranged on the upper end and the lower end of the shield body, the second auxiliary excavation system comprises a plurality of groups of upper milling heads and a plurality of groups of lower milling heads, and the upper milling heads are matched with the upper blind areas, the lower milling and digging head is matched with the lower blind area, the upper milling and digging head and the lower milling and digging head are provided with position monitoring modules, the main excavation system, the first auxiliary excavation system and the second auxiliary excavation system are all provided with gear modules, the main controller comprises an automatic module, a lubrication detection module, a propulsion module, a high-pressure scouring module and a second auxiliary excavation system driving module, the automatic module, the lubrication detection module, the propulsion module, the high-pressure scouring module, the second auxiliary excavation driving module, the main excavation system gear module, the first auxiliary excavation system gear module, the second auxiliary excavation gear module, the main excavation system position detection module, the first auxiliary excavation system position detection module and the second auxiliary excavation position detection module are electrically connected, the shield body is provided with a high-pressure scouring nozzle which is arranged on the upper milling digging head and the lower milling digging head.

The high-speed gear is mainly used for excavation, the low-speed gear is a protection gear, and the achievement of the low-speed gear is one of conditions for starting some systems.

In order to ensure that the lubricating system of the equipment is completely started during starting, the invention has the improvement that the lubricating detection module comprises a driving gear oil module, a roller, an upper milling and digging head, a lower milling and digging head lubricating module and a driving lubricating system module.

In order to make a corresponding prompt conveniently, the main controller further comprises a warning module, and the warning module is connected with the lubricating detection module and the second auxiliary excavation position detection module.

In order to conveniently ensure that the upper blind area and the lower blind area are eliminated, the invention has the improvement that the second auxiliary excavation driving module comprises an upper milling and excavating head driving module and a lower milling and excavating head driving module, the upper milling and excavating head driving module controls the upper milling and excavating head to move left and right, and the lower milling and excavating head driving module controls the lower milling and excavating head to move up and down and left and right.

In order to conveniently determine the starting positions of the upper milling and digging head and the lower milling and digging head, the shield body is provided with a plurality of groups of initial positions which are respectively in one-to-one correspondence with the plurality of groups of upper milling and digging heads and the plurality of groups of lower milling and digging heads.

(III) advantageous effects

Compared with the prior art, the invention provides an automatic control method of a multi-excavation system of a rectangular pipe jacking machine, which has the following beneficial effects:

according to the automatic control method for the multi-excavation system of the rectangular pipe jacking machine, the shield body is provided with the main excavation system, the first auxiliary excavation system and the second auxiliary excavation system, and the full coverage of a tunnel face during excavation is guaranteed.

According to the automatic control method of the multi-excavation system of the rectangular pipe jacking machine, the high-pressure scouring nozzles are arranged on the periphery sides of the upper milling and excavating head and the lower milling and excavating head, so that the upper milling and excavating head and the lower milling and excavating head can be conveniently washed.

The automatic control method for the multi-excavation system of the rectangular pipe jacking machine is high in automation degree of equipment, the warning module is connected with the lubricating detection module, the driving gear oil module is conveniently and correspondingly detected, the roller, whether the upper milling and excavating head, the lower milling and excavating head lubricating module and the driving lubricating system module are started or not is provided, if the driving gear oil module is not started, the warning module gives an alarm relatively, the warning module is connected with the second auxiliary excavation position detection module, whether the upper milling and excavating head and the lower milling and excavating head are in corresponding starting positions or not is conveniently detected, and if the upper milling and excavating head and the lower milling and excavating head are not in corresponding positions, the warning module gives an alarm relatively.

Drawings

FIG. 1 is a schematic diagram of the structural system of the present invention;

FIG. 2 is a side view of the structure of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a schematic view of the structural blind zone of the present invention;

FIG. 5 is a schematic view of the cleaning of the milling and excavating head of the present invention;

FIG. 6 is a schematic view of the drive position of the milling head in accordance with the present invention.

In the figure: 1. a shield body; 2. a cutter head; 3. a drum; 4. an upper milling and digging head; 5. a lower milling and digging head; 6. a first blind area; 7. an upper blind area; 8. and (4) a lower blind area.

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.

Referring to fig. 1-6, an automatic control method for a multi-excavation system of a rectangular pipe jacking machine comprises a main excavation system, a first auxiliary excavation system, a second auxiliary excavation system, a shield body 1 and a main controller, wherein the main excavation system, the first auxiliary excavation system and the second auxiliary excavation system are arranged on the shield body 1, the main excavation system, the first auxiliary excavation system and the second auxiliary excavation system are connected with the main controller, the main excavation system comprises a plurality of groups of cutter discs 2, first blind areas 6 of the main excavation system are arranged on the left side and the right side of the shield body 1, the first auxiliary excavation system comprises two groups of rollers 3 which are symmetrically arranged, the rollers 3 are matched with the first blind areas 6, upper blind areas 7 of the main excavation system and lower blind areas 8 of the main excavation system are respectively arranged at the upper end and the lower end of the shield body 1, the second auxiliary excavation system comprises a plurality of groups of upper milling heads 4 and a plurality of groups of lower milling heads 5, the upper milling digging head 4 is matched with the upper blind area 7, the lower milling digging head 5 is matched with the lower blind area 8, position monitoring modules are arranged on the upper milling digging head 4 and the lower milling digging head 5, the main digging system, the first auxiliary digging system and the second auxiliary digging system are respectively provided with a gear module, the main controller comprises an automatic module, a lubrication detection module, a propelling module, a high-pressure scouring module and a second auxiliary digging system driving module, the automatic module, the lubrication detection module, the propelling module, the high-pressure scouring module, the second auxiliary digging driving module, the main digging system gear module, the first auxiliary digging system gear module, the second auxiliary digging gear module, the main digging system position detection module, the first auxiliary digging system position detection module and the second auxiliary digging position detection module are electrically connected, a high-pressure scouring nozzle is arranged on the shield body 1, the high-pressure scouring nozzles are arranged on the periphery of the upper milling and digging head 4 and the lower milling and digging head 5.

In the actual operation process, the low-speed gear can play good protection effect as the pre-starting gear, and the high-speed gear is convenient to excavate, the gear module includes low-speed gear and high-speed gear.

In the actual operation process, equipment needs fully lubricated between the excavation, can effectively guarantee the life of equipment, lubricated detection module includes drive gear fluid module, and cylinder 3 mills on and digs head 4 and mills down and dig 5 lubricated module of head and drive lubricating system module.

The main controller further comprises a warning module, the warning module is connected with the lubricating detection module and the second auxiliary excavation position detection module, and corresponding prompts are made conveniently.

The second auxiliary excavation driving module comprises an upper milling excavation head 4 driving module and a lower milling excavation head 5 driving module, the upper milling excavation head 4 driving module controls the upper milling excavation head 4 to move left and right, and the lower milling excavation head 5 driving module controls the lower milling excavation head 5 to move left and right and up and down, so that an upper blind area 7 and a lower blind area 8 are eliminated conveniently.

The shield body 1 is provided with a plurality of groups of initial positions which are respectively in one-to-one correspondence with a plurality of groups of upper milling and digging heads 4 and a plurality of groups of lower milling and digging heads 5, and the starting positions of the upper milling and digging heads 4 and the lower milling and digging heads 5 are conveniently determined.

In conclusion, in the automatic control method of the multi-excavation system of the rectangular pipe jacking machine, when the automatic control method is used, the main controller starts the automatic module, automatically judges the driving gear oil module, judges whether the driving gear oil level is met, and whether the lubricating modules of the roller 3, the upper milling and excavating head 4 and the lower milling and excavating head 5 and the driving lubricating system module are started, if one condition is not met, the warning module of the corresponding condition gives an alarm and displays, if the conditions are met, the cutter head 2, the roller 3, the upper milling and excavating head 4 and the lower milling and excavating head 5 are started and reach a low-speed gear, then the warning module of the corresponding condition gives an alarm and displays, if the conditions are met, the cutter head 2 and the roller 3 are switched to a high-speed gear, and the milling and excavating heads are still in a low-speed gear to stand by standby state, and then starting a propulsion system module, when judging that the propulsion distance reaches an S value through a main excavation position module and a first auxiliary excavation position module, stopping the propulsion system module firstly, switching the cutter head 2 and the roller 3 to a low-speed gear for standby, switching the upper milling and excavating head 4 and the lower milling and excavating head 5 to a high-speed gear and simultaneously starting a high-pressure scouring module, starting a driving module of the upper milling and excavating head 4, swinging the upper milling and excavating head 4 left and right to mill and excavate the soil body of the upper blind area 7, starting a driving module of the lower milling and excavating head 5 simultaneously, swinging the lower milling and excavating head 5 left and right and up and down to mill and excavate the soil body of the lower blind area 8, finishing a track and returning to an initial position when all the milling and excavating heads complete the track, switching all the milling and excavating heads to the low-speed gear, closing the high-pressure scouring module, then enabling the cutter head 2 and the roller 3 to reach the high-speed gear, starting a propulsion system … …, and continuously excavating in such a cycle.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

In the description herein, it is to be noted that, unless expressly stated or limited otherwise, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection may be mechanical or electrical, and may be direct or indirect via an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description herein, it is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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.