CN212583696U

CN212583696U - Miniature shield machine

Info

Publication number: CN212583696U
Application number: CN201922428871.4U
Authority: CN
Inventors: 张西坤; 宋秋锋; 郭京波; 商卫东; 靳益民; 宋伟; 田炯; 申寿长; 陈建忠; 周雪园; 刘虎; 刘大仲
Original assignee: Hebei Jiankan Drilling Equipment Co ltd
Current assignee: Hebei Jiankan Drilling Equipment Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2021-02-23
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a miniature shield constructs machine relating to engineering machine tool field, including blade disc system, the shield body, screw conveyer system for drive blade disc system's actuating system, articulated system, the advancing system who is used for advancing miniature shield structure machine, shield tail sealing system, blade disc assembly position shield body left end, actuating system are located shield internal portion, shield body central axis and actuating system output shaft central axis coincidence, blade disc system and actuating system output shaft, screw conveyer system is at shield internal portion, screw conveyer system right-hand member tilt up, screw conveyer system left end is installed in shield body bottom, screw conveyer system is located blade disc assembly right side, screw conveyer system right-hand member is located the shield external side, and miniature shield constructs mainly to be applicable to city municipal underground water supply and drainage pipe, communication power cable pipeline, The diameter of the small shield machine is less than 3 meters in construction projects such as oil and gas pipelines.

Description

Miniature shield machine

Technical Field

The utility model relates to an engineering machine tool field specifically is a miniature shield constructs machine.

Background

In recent years, urban population is increasing, traffic pressure is increasing, infrastructure of all places is increasing, especially investment in urban subway construction is increasing, shield technology is mature and perfect, and projects of small culverts and underground pipelines are increasing. The construction is mostly finished by manual excavation by adopting a pipe jacking technology, the construction is safe along with the increase of the construction difficulty, the section of labor cost is increased, and the market needs safe, efficient and less-labor advanced automatic equipment to replace pipe jacking construction.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a miniature shield constructs machine to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a micro shield machine comprises a cutter head system, a shield body, a spiral conveyor system, a driving system for driving the cutter head system, an articulated system, a propelling system for propelling the micro shield machine and a shield tail sealing system, wherein the cutter head system is arranged at the left end of the shield body, the driving system is arranged in the shield body, the central axis of the shield body is coincided with the central axis of an output shaft of the driving system, the cutter head system is connected with the output shaft of the driving system, the spiral conveyor system is arranged in the shield body, the right end of the spiral conveyor system is upwards inclined, the left end of the spiral conveyor system is arranged at the bottom of the shield body, the spiral conveyor system is arranged at the right side of the cutter head system, and the right end of the spiral conveyor system is arranged;

the cutter head system comprises a foam valve, auxiliary plates, a central knife, scrapers, edge scrapers, a central knife cover plate and a knife sleeve, the knife sleeve is installed on an output shaft of the driving system, the central knife cover plate is arranged at the center of the left end face of the knife sleeve, the central knife is arranged on the left end face of the central knife cover plate, the center of the central knife cover plate is aligned with the center of the knife point of the central knife, the foam valve is arranged in the middle of a hollow area between the central knife cover plate and the central knife, the first scraper group, the second scraper group and the third scraper are formed into fan-blade-shaped uniform distribution and arranged on the left end face of the knife sleeve, the auxiliary plates are covered among the first scraper group, the second scraper group, the third scraper group and the first scraper group, and the auxiliary plates are arranged on the left end face of the knife sleeve;

the spiral conveyor system comprises a spiral machine barrel, a spiral shaft, spiral blades arranged on the spiral shaft, a coupler and a hydraulic motor, wherein the spiral shaft and the spiral blades are arranged in the spiral machine barrel, and an output shaft of the hydraulic motor is connected with the right end of the spiral shaft through the coupler;

the shield body is including the anterior shield that links together in proper order, well shield, tail shield, the anterior shield sets up at blade disc system right-hand member, the anterior shield lower part sets up the spiral delivery pipe, actuating system passes the central part of anterior shield, well shield in proper order, articulated system and advancing system set up inside the tail shield, the shield tail sealing system sets up the right port at the tail shield.

Preferably, well shield and tail shield pass through the articulated sealing system and connect, the articulated sealing system is the ring structure, articulated sealing system main part surface one side is the sealing washer mounting groove of cross-section for the door type, the inside two rubber seal rings that set up of sealing washer mounting groove, two rubber seal ring outside and well shield internal surface contact, articulated sealing system main part surface opposite side is the breach ring, tail shield tip is installed on the breach ring.

Preferably, the shield tail sealing system adopts a steel wire mesh brush type, rubber sealing or combined sealing grease pipeline.

Preferably, first scraper group is by 6 scrapers, 2 limit scrapers constitute, 6 scrapers are located 2 limit scraper below 60mm departments, 6 scrapers and 2 limit scraper bilateral symmetry distribute, second scraper group is by 6 scrapers, 2 limit scrapers constitute, 6 scrapers are located 2 limit scraper below 30mm departments, 6 scrapers and 2 limit scraper bilateral symmetry distribute, third scraper group is by 8 scrapers, 2 limit scrapers constitute, 8 scrapers are located 2 limit scraper below, 8 scrapers and 2 limit scraper bilateral symmetry distribute.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a some miniature culverts, underground piping's engineering construction difficult, the construction is dangerous and the many problem of recruitment expense, miniature shield constructs the machine and has compact structure, rationally distributed, move nimble, easy operation, maintain advantages such as convenient, safe high efficiency, energy-concerving and environment-protective, reduction construction cost.

Drawings

Fig. 1 is the utility model relates to a miniature shield constructs quick-witted overall structure sketch map.

Fig. 2 is the utility model relates to a miniature shield constructs quick-witted articulated sealing system enlargedly.

Fig. 3 is the utility model discloses a miniature shield constructs quick-witted blade disc system front view.

Fig. 4 is the utility model discloses a left side view of miniature shield constructs quick-witted blade disc system.

Fig. 5 is an enlarged view of the first knife group, the second knife group and the third knife group in the cutter head system of the micro shield tunneling machine of the present invention.

In the figure: 1. a cutter head system; 101. a foam valve; 102. an auxiliary plate; 103. a center knife; 104. a scraper; 1041. a first blade group; 1042. a second blade group; 1043. a third scraper group; 105. an edge scraper; 106. a central knife cover plate; 107. a knife sheath; 2. a shield body; 201. anterior shield; 202. middle shield; 203. a tail shield; 3. a screw conveyor system; 301. A screw barrel; 302. a screw shaft; 303. a coupling; 304. a hydraulic motor; 4. A drive system; 5. a hinged sealing system; 6. an articulation system; 7. a propulsion system; 8. Shield tail sealing system.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a micro shield machine comprises a cutter head system 1, a shield body 2, a spiral conveyor system 3, a driving system 4 for driving the cutter head system 1, an articulated system 6, a propelling system 7 for propelling the micro shield machine and a shield tail sealing system 8, wherein the cutter head system 1 is arranged at the left end of the shield body 2, the driving system 4 is arranged in the shield body 2, the central axis of the shield body 2 is coincided with the central axis of an output shaft of the driving system 4, the cutter head system 1 is connected with the output shaft of the driving system 4, the spiral conveyor system 3 is arranged in the shield body 2, the right end of the spiral conveyor system 3 is upwards inclined, the left end of the spiral conveyor system 3 is arranged at the bottom of the shield body 2, the spiral conveyor system 3 is arranged at the right side of the cutter head system 1, and the right end of the spiral conveyor system 3 is arranged at;

the cutter head system 1 comprises a foam valve 101, an auxiliary plate 102, a central knife 103, a scraper 104, an edge scraper 105, a central knife cover plate 106 and a knife sleeve 107, the knife sleeve 107 is installed on an output shaft of the driving system 4, the central knife cover plate 106 is arranged at the center of the left end face of the knife sleeve 107, the central knife 103 is arranged on the left end face of the central knife cover plate 106, the center of the central knife cover plate 106 is aligned with the center of the knife tip of the central knife 103, the foam valve 101 is arranged in the middle of a hollow area between the central knife cover plate 106 and the central knife 103, the auxiliary plate 102 covers the middles of the first scraper group 1041, the second scraper group 1042 and the third scraper group 1043 and the first scraper group 1041, the auxiliary plate 102 is arranged on the left end face of the knife sleeve 107,

the screw conveyor system 3 comprises a screw cylinder 301, a screw shaft 302, screw blades arranged on the screw shaft 302, a coupler 303 and a hydraulic motor 304, wherein the screw shaft 302 and the screw blades are arranged inside the screw cylinder 301, and an output shaft of the hydraulic motor 304 is connected with the right end of the screw shaft 302 through the coupler 303;

the shield body 2 is including the anterior shield 201 that links together in proper order, well shield 202, tail shield 203, anterior shield 201 sets up at 1 right-hand member of blade disc system, anterior shield 201 lower part sets up screw conveyer pipe 2011, actuating system 4 passes anterior shield 201, the center part of well shield 202 in proper order, articulated system 6 and advancing system 7 set up inside tail shield 203, the shield tail sealing system 8 sets up the right port at tail shield 203.

Well shield 202 and tail shield 203 are connected through articulated sealing system 5, articulated sealing system 5 is the ring structure, 5 main part surface one side of articulated sealing system is the sealing washer mounting groove of cross-section for the door type, the inside two rubber seal ring 501 that sets up of sealing washer mounting groove, two rubber seal ring 501 outsides and well shield 202 internal surface contact, 5 main part surface opposite sides of articulated sealing system are the breach ring, tail shield 203 tip is installed on the breach ring.

The shield tail sealing system 8 adopts a steel wire mesh brush type, rubber sealing or combined type sealing grease pipeline.

First scraper group 1041 comprises 6

scrapers

104, 2

limit scrapers

105, 6 scrapers 104 are located 2 limit scrapers 105 below 60mm department, 6

scrapers

104 and 2 limit scrapers 105 bilateral symmetry distribute, second scraper group 1042 is by 6

scrapers

104, 2 limit scrapers 105 constitute, 6 scrapers 104 are located 2 limit scrapers 105 below 30mm department, 6

scrapers

104 and 2 limit scrapers 105 bilateral symmetry distribute, third scraper group 1043 is by 8

scrapers

104, 2 limit scrapers 105 constitute, 8 scrapers 104 are located 2 limit scrapers 105 below, 8

scrapers

104 and 2 limit scrapers 105 bilateral symmetry distribute.

The working principle is as follows: determining the alloy specification and the cutter head form of a cutter head cutting cutter head according to a construction stratum, installing a main body of a cutter head driving device at the position of a front shield, determining the position of a sensor, determining the arrangement of a propulsion oil cylinder in a middle shield and the position of a slag discharging channel according to the requirements of a propulsion system, arranging the position of a peripheral soil pressure sensor, hinging and sealing a tail shield and the middle shield, and arranging a shield body peripheral grouting pipe; the slag discharging system adopts a spiral conveying type slag discharging, the drift diameter of a spiral conveying pipe, the pitch of a spiral sheet, the angle of a slag discharging pipe and the rotating speed of the spiral sheet are determined according to the footage requirement, the transmission ratio and the driving motor of a speed reducing device are selected, and a remote slag discharging system is adopted; the system comprises a propulsion system, a propulsion oil cylinder device, a hydraulic system and a control system, wherein the propulsion system calculates and determines the propulsion force according to the stratum and the footage requirement, determines the diameter and the number of the propulsion oil cylinders, determines an adjustable propulsion supporting shoe structure, and controls the balance propulsion; the shield tail sealing device adopts a steel wire mesh brush type or rubber sealing or combined sealing to seal a grease pipeline; the monitoring and data acquisition device carries out data feedback display through the driving device and shield body internal monitoring, front shield soil pressure acquisition, cutter head cutting surface soil pressure acquisition and shield body peripheral soil pressure acquisition.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a miniature shield constructs machine which characterized in that: comprises a cutter head system (1), a shield body (2), a screw conveyor system (3), a driving system (4) for driving the cutter head system (1), an articulated system (6), a propulsion system (7) for propelling a micro shield machine, a shield tail sealing system (8), wherein the cutter head system (1) is arranged at the left end of the shield body (2), the driving system (4) is arranged inside the shield body (2), the central axis of the shield body (2) is coincided with the central axis of the output shaft of the driving system (4), the cutter head system (1) is connected with the output shaft of the driving system (4), the screw conveyor system (3) is arranged inside the shield body (2), the right end of the screw conveyor system (3) is upwards inclined, the left end of the screw conveyor system (3) is arranged at the bottom of the shield body (2), and the screw conveyor system (3) is arranged at the right side of the cutter head system (1), the right end of the spiral conveyor system (3) is positioned outside the shield body (2);

blade disc system (1) is including foam valve (101), auxiliary plate (102), central sword (103), scraper (104), limit scraper (105), central sword apron (106), sword cover (107), install on the output shaft of actuating system (4) sword cover (107), central sword apron (106) set up and put at sword cover (107) left end face central point, central sword (103) set up on central sword apron (106) left end face, the center of central sword apron (106) aligns with central sword (103) knife tip center central portion set up foam valve (101) in the middle of hollow area of central sword apron (106) and central sword (103), and first sword group (1041), second sword group (1042), third sword group (1043) become fan blade form equipartition and set up at sword cover (107) left end face, scrape sword group (1041) and second sword group (1042), Auxiliary plates (102) are respectively covered between the second scraper group (1042) and the third scraper group (1043), between the third scraper group (1043) and between the first scraper group (1041), and the auxiliary plates (102) are arranged on the left end face of the scraper sleeve (107);

the spiral conveyor system (3) comprises a spiral cylinder (301), a spiral shaft (302), spiral blades arranged on the spiral shaft (302), a coupler (303) and a hydraulic motor (304), wherein the spiral shaft (302) and the spiral blades are arranged in the spiral cylinder (301), and an output shaft of the hydraulic motor (304) is connected with the right end of the spiral shaft (302) through the coupler (303);

the shield body (2) is including anterior shield (201) that links together in proper order, well shield (202), tail shield (203), anterior shield (201) set up at cutterhead system (1) right-hand member, anterior shield (201) lower part sets up spiral delivery pipe (2011), actuating system (4) passes the central part of anterior shield (201), well shield (202) in proper order, articulated system (6) and advancing system (7) set up inside tail shield (203), shield tail sealing system (8) set up the right-hand member mouth at tail shield (203).

2. The micro-shield machine of claim 1, wherein: well shield (202) and tail shield (203) are connected through articulated sealing system (5), articulated sealing system (5) are the ring structure, articulated sealing system (5) main part surface one side is the sealing washer mounting groove of cross-section for the door type, the inside interval of sealing washer mounting groove sets up two rubber seal ring (501), two rubber seal ring (501) outside and well shield (202) internal surface contact, articulated sealing system (5) main part surface opposite side is the breach ring, tail shield (203) tip is installed on the breach ring.

3. The micro-shield machine of claim 1, wherein: and the shield tail sealing system (8) adopts a steel wire mesh brush type, rubber sealing or combined type sealing grease pipeline.

4. The micro-shield machine of claim 1, wherein: first scraper group (1041) is by 6 scraper (104), 2 limit scraper (105) are constituteed, 6 scraper (104) are located 2 limit scraper (105) below 60mm department, 6 scraper (104) and 2 limit scraper (105) bilateral symmetry distribute, second scraper group (1042) is by 6 scraper (104), 2 limit scraper (105) are constituteed, 6 scraper (104) are located 2 limit scraper (105) below 30mm department, 6 scraper (104) and 2 limit scraper (105) bilateral symmetry distribute, third scraper group (1043) is by 8 scraper (104), 2 limit scraper (105) are constituteed, 8 scraper (104) are located 2 limit scraper (105) below, 8 scraper (104) and 2 limit scraper (105) bilateral symmetry distribute.