CN214616533U - Rectangular pipe jacking machine blind area excavation crushing device - Google Patents

Abstract

The utility model relates to the technical field of rectangular pipe pushing machines, in particular to a blind area excavation crushing device of a rectangular pipe pushing machine, which comprises a shield body, wherein a spherical hinge mechanism is hinged in the shield body, two ends of the spherical hinge mechanism respectively penetrate through two side walls of the shield body, a transmission shaft is rotatably connected in the spherical hinge mechanism, one end of the transmission shaft passes through the end part of the spherical hinge mechanism and is provided with an excavation drill, one end of the transmission shaft is connected with a power source relative to the other end, a diversion mechanism is arranged on the side wall of the shield body, the diversion mechanism is hinged with the outer wall of one end of the spherical hinge mechanism, which is provided with the power source, the utility model takes a spherical hinge as a fulcrum, and takes a plurality of connected barrel joints as levers, the device can be dug in a 360-degree rotating mode through the spherical hinge mechanism, the device is simple, convenient and flexible, no dead zone exists, the connecting barrel sleeve on the spherical hinge mechanism is divided into a plurality of barrel sections for assembly, the hoisting is convenient, the dismounting and the maintenance in the shield body are convenient, and the construction difficulty is reduced.

Description

Rectangular pipe jacking machine blind area excavation crushing device

Technical Field

The utility model relates to a rectangle push bench technical field specifically is a rectangle push bench blind area excavation breaker.

Background

Along with the progress of society and the rapid advance of urbanization, people have higher and higher requirements on underground space, especially the requirements of subways, urban underground pipelines, underground parking garages, underground pipe galleries and the like are enhanced day by day, and the application of pipe jacking technology is more and more common. Under the same section, the rectangular section can more effectively utilize underground space than the circular section, the utilization rate of the section is improved, and compared with a circular pipe, the sectional area of the rectangular pipe can be saved by about 20%; meanwhile, compared with a round jacking pipe, the rectangular jacking pipe has better shallow earthing adaptability, and can greatly reduce the gradient and depth of various structures penetrating downwards. The disturbance to the surrounding soil body is small, and the ground settlement can be effectively controlled. And the rectangular pipe jacking construction working well is smaller than a shield working well, so that the occupied area can be reduced, and the rectangular pipe jacking construction working well has good applicability.

At present, the problem of blind area treatment is always a problem which is difficult to solve in the tunneling process of a rectangular pipe jacking machine. Particularly, in a large rectangular pipe jacking machine, a multi-cutter structure is adopted for rotary excavation, and the circular structure of the cutter determines that the cutter cannot cover all regions of a rectangle (as shown by a shaded part in figure 1), namely, a large excavation blind area exists. The dead zone has large residual area and more distribution, the unearthed efficiency is too low, the jacking resistance is directly increased, the difficulty of tunneling propulsion is increased in the tunneling process, the pressure borne by the shell breast board is greatly increased, the material usage amount of the shell is increased, and the safety and the reliability of the whole machine are greatly influenced. Therefore, the development of a blind area processing device of a rectangular push bench is a great problem which needs to be solved urgently, and cost reduction and efficiency improvement are achieved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rectangle pipe pushing jack blind area excavation breaker is in order to solve above-mentioned technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a rectangle pipe pushing jack blind area excavation breaker, includes the shield body, the internal articulated ball pivot mechanism that has of shield, the both ends of ball pivot mechanism run through shield body both sides wall respectively, the inside rotation of ball pivot mechanism is connected with the transmission shaft, transmission shaft one end is passed ball pivot mechanism tip and is installed the excavation and bore, the relative other end of transmission shaft one end is connected with the power supply, and the power supply installs the tip at ball pivot mechanism, be provided with diversion mechanism on the shield body lateral wall, diversion mechanism and ball pivot mechanism install the one end outer wall of power supply articulated mutually.

Preferably, the spherical hinge mechanism includes spherical hinge and spherical hinge installed part, the spherical hinge passes through the spherical hinge installed part and installs in the shield internal portion, the spherical hinge both ends all are provided with the connecting barrel casing, and just two sets of connecting barrel casings run through the shield internal chamber, and are a set of the power supply is installed to the one end that the spherical hinge was kept away from to the connecting barrel casing.

Preferably, the spherical hinge mounting part comprises a first check ring, a second check ring, a first flange and a second flange, the first check ring and the second check ring are sleeved on two sides of the outer wall of the spherical hinge, inner rings of the first check ring and the second check ring are spherical surfaces matched with the spherical hinge, the first flange and the second flange are respectively mounted on one side surface, away from each other, of the first check ring and the second check ring, and the first flange and the second flange are fixedly connected with the inside of the shield body through bolts.

Preferably, the connecting barrel sleeve comprises a connecting portion and a barrel section, the connecting portion is fixedly connected with the spherical hinge, one end, far away from the spherical hinge, of the connecting portion is detachably provided with the barrel section through a bolt, and the barrel section is provided with a power source at the end, far away from the connecting portion, of the barrel section.

Preferably, the steering mechanism includes that hydro-cylinder, first articulated seat and second articulate the seat, first articulated seat is installed at the shield body outer wall, the articulated seat of second is installed on the one end outer wall that the power supply was installed to the spherical hinge mechanism, the hydro-cylinder stiff end is articulated mutually with first articulated seat, the hydro-cylinder output is articulated mutually with the articulated seat of second.

Preferably, the outer wall of the shell ring provided with the power source is fixedly connected with a second hinged seat.

Preferably, the oil cylinders are provided with three groups, and the three groups of oil cylinders are arranged at equal angles along the central line of the spherical hinge mechanism.

Preferably, the power source is one of an electric motor or a hydraulic motor.

Preferably, a plurality of groups of high-pressure water spraying heads are arranged on the drill bit of the excavation drill.

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

1. the device can realize 360-degree rotary excavation through a spherical hinge mechanism by taking a spherical hinge as a fulcrum and a plurality of connected barrel sections as levers, is simple, convenient and flexible, and has no dead zone;

2. the connecting cylinder sleeve on the spherical hinge mechanism is divided into a plurality of cylinder sections for assembly, so that the assembly and the disassembly in the shield body are convenient, the maintenance is convenient, and the construction difficulty is reduced;

3. the movement direction of the excavation drill can be controlled through the expansion of the three oil cylinders, so that the excavation drill excavates in a preset area;

4. the forward and reverse rotation control and high and low speed switching of the power source of the excavation drill can be realized, so that the flexibility and the working efficiency of the device are greatly improved;

5. leave a plurality of high pressure water jet on the excavation is bored, can cool down the drill bit on the one hand, reduce the drill bit cutting heat, increase of service life, on the other hand can soften the cutting soil body, improves excavation efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of a hole digging process in the prior art of the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is a schematic view of the dispersing structure of the present invention;

fig. 5 is a schematic front view of the present invention;

FIG. 6 is a schematic cross-sectional view taken along the line B-B in FIG. 5;

FIG. 7 is a partial schematic structural view of the present invention;

FIG. 8 is a schematic front view of the structure of FIG. 7;

fig. 9 is a schematic structural view of the excavation drill of the present invention;

fig. 10 is a schematic top view of the excavation drill according to the present invention;

fig. 11 is a schematic structural diagram of an embodiment of the present invention;

FIG. 12 is a schematic distribution diagram of three sets of cylinders in the embodiment.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a shield body; 2. a spherical hinge mechanism; 21. spherical hinge; 22. a spherical hinge mount; 221. a first check ring; 222. a second check ring; 223. a first flange; 224. a second flange; 23. a connecting cylinder sleeve; 231. a connecting portion; 232. a shell ring; 3. a drive shaft; 4. excavating and drilling; 41. a high pressure water jet head; 5. a power source; 6. a direction changing mechanism; 61. An oil cylinder; 62. a first hinge mount; 63. a second hinged seat.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-10, the present invention provides a technical solution: the utility model provides a rectangle pipe pushing jack blind area excavation breaker, including the shield body 1, it has spherical hinge mechanism 2 to articulate in the shield body 1, 1 both sides wall of shield body is run through respectively at spherical hinge mechanism 2's both ends, 2 inside rotations in spherical hinge mechanism are connected with transmission shaft 3, 3 one ends of transmission shaft are passed 2 tip in spherical hinge mechanism and are installed the excavation and bore 4, the 3 relative other ends in one end of transmission shaft are connected with power supply 5, and power supply 5 installs the tip at spherical hinge mechanism 2, be provided with steering mechanism 6 on the shield body 1 lateral wall, steering mechanism 6 and spherical hinge mechanism 2 install the one end outer wall of power supply 5 articulated mutually.

Specifically, the spherical hinge mechanism 2 comprises a spherical hinge 21 and a spherical hinge mounting part 22, the spherical hinge 21 is mounted inside the shield body 1 through the spherical hinge mounting part 22, the two ends of the spherical hinge 21 are provided with connecting barrel sleeves 23, the two groups of connecting barrel sleeves 23 penetrate through the inner cavity of the shield body 1, and one end, far away from the spherical hinge 21, of one group of connecting barrel sleeves 23 is provided with a power source 5.

Specifically, the spherical hinge mounting member 22 includes a first retainer ring 221, a second retainer ring 222, a first flange 223 and a second flange 224, the first retainer ring 221 and the second retainer ring 222 are sleeved on two sides of the outer wall of the spherical hinge 21, inner rings of the first retainer ring 221 and the second retainer ring 222 are spherical surfaces matched with the spherical hinge 21, the first flange 223 and the second flange 224 are respectively mounted on one side surface of the first retainer ring 221 and the second retainer ring 222 away from each other, and the first flange 223 and the second flange 224 are fixedly connected with the inside of the shield body 1 through bolts.

Specifically, connect the barrel casing 23 and include connecting portion 231 and shell ring 232, connecting portion 231 and ball pivot 21 looks rigid coupling, and there is shell ring 232 one end that ball pivot 21 was kept away from to connecting portion 231 through bolt demountable installation, and power supply 5 is installed to the one end that connecting portion 231 was kept away from to a set of shell ring 232, sets up the connection barrel casing into detachable shell ring and connecting portion for can conveniently hoist and mount the assembly, dismantle and change.

Specifically, the turning mechanism 6 comprises an oil cylinder 61, a first hinged seat 62 and a second hinged seat 63, the first hinged seat 62 is installed on the outer wall of the shield body 1, the second hinged seat 63 is installed on the outer wall of one end of the spherical hinge mechanism 2, which is provided with the power source 5, the fixed end of the oil cylinder 61 is hinged to the first hinged seat 62, and the output end of the oil cylinder 61 is hinged to the second hinged seat 63.

Specifically, the outer wall of the cylindrical section 232 provided with the power source 5 is fixedly connected with a second hinge seat 63.

Specifically, the oil cylinders 61 are provided with three groups, the three groups of oil cylinders 61 are arranged at equal angles along the central line of the spherical hinge mechanism 2, and multi-angle swinging can be realized by using the spherical hinge as a fulcrum through the three groups of oil cylinders, so that different positions can be excavated.

Specifically, power supply 5 is in motor or hydraulic motor, and motor or hydraulic motor's output shaft is connected with the transmission shaft for can drive the excavation and bore the rotation and excavate.

Specifically, be provided with a plurality of groups high pressure water jet 41 on the drill bit of 4 is bored in the excavation, leaves a plurality of high pressure water jet on boring in the excavation, can cool down the drill bit on the one hand, reduces the drill bit cutting heat, increase of service life, and on the other hand can soften the cutting soil body, improves excavation efficiency.

One specific application example of this embodiment is:

when the device is used, a plurality of unequal blind area excavating devices (shown in figure 11) can be arranged in a plurality of excavating blind areas of the whole cutting section; when the excavating machine is used for excavating, the power of the power source 5 is transmitted to the transmission shaft 3 through the output end, the power source 5 adopts a hydraulic motor capable of rotating in a forward and reverse reciprocating manner, so that the transmission shaft 3 and the excavating drill 4 are driven to rotate, the excavating drill 4 is driven to rotate to cut dead zones or rock masses of an excavating surface, and meanwhile, the water jet of the drill bit 41 of the excavating drill 4 cools the drill bit, so that the service life of the drill bit is prolonged, the soil mass is softened, and the propelling resistance is reduced; then, the three oil cylinders 61 connected to the cylindrical shell 232 are controlled to stretch and retract through an external PLC control valve group, so that the excavating drill 4 at the cylindrical shell 232 at the other end is driven to move by taking the spherical hinge 21 as a fulcrum and the cylindrical shell 232 fixedly connected together as a lever, and therefore the multi-angle excavating is realized while the excavating drill 4 rotates; a plurality of unequal blind area processing devices are arranged in a plurality of blind areas on the whole excavation section, and stirring is carried out while cutting, so that the cutting blind areas are better processed, the excavation rate and the stirring rate of the rectangular section are improved, the tunneling propulsion resistance and the difficulty are reduced, and the working efficiency is improved;

the working process of the three groups of oil cylinders 61 is as follows: when the excavation drill 4 needs to be lifted up, the first oil cylinder extends out, the second oil cylinder and the third oil cylinder retract, and the cylindrical shell 232 drives the excavation drill 4 to be lifted up by taking the spherical hinge 21 as a fulcrum; when the excavation drill 4 needs to move leftwards and upwards, the second oil cylinder retracts, the first oil cylinder and the third oil cylinder extend out, and the cylindrical shell 232 drives the excavation drill 4 to move leftwards and upwards by taking the spherical hinge 21 as a fulcrum; when the excavation drill 4 needs to be lowered, the first oil cylinder retracts, the second oil cylinder and the third oil cylinder extend, and the cylindrical shell 232 drives the excavation drill to be lowered by taking the spherical hinge 21 as a fulcrum; when the excavation drill 4 needs to move towards the upper right, the oil cylinder three retracts, the oil cylinder one and the oil cylinder two extend, and the cylinder section 232 drives the excavation drill to move towards the upper right by taking the spherical hinge 21 as a fulcrum; when the excavation drill 4 needs to move towards the left lower side, the oil cylinder three extends out, the oil cylinder one and the oil cylinder two retract, and the cylinder section drives the excavation drill to move towards the left lower side by taking the spherical hinge as a fulcrum (the positions of the oil cylinder one, the oil cylinder two and the oil cylinder three are shown in fig. 12).

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims (9)

1. The utility model provides a rectangle pipe push bench blind area excavation breaker, includes shield body (1), its characterized in that: articulated in the shield body (1) have spherical hinge mechanism (2), the both ends of spherical hinge mechanism (2) run through shield body (1) both sides wall respectively, spherical hinge mechanism (2) inside rotation is connected with transmission shaft (3), transmission shaft (3) one end is passed spherical hinge mechanism (2) tip and is installed the excavation and bore (4), the relative other end in transmission shaft (3) one end is connected with power supply (5), and power supply (5) install the tip in spherical hinge mechanism (2), be provided with on shield body (1) lateral wall steering mechanism (6), steering mechanism (6) and spherical hinge mechanism (2) install the one end outer wall of power supply (5) articulated mutually.

2. The rectangular pipe jacking machine blind area excavation crushing device of claim 1, characterized in that: spherical hinge mechanism (2) are including spherical hinge (21) and spherical hinge installed part (22), install inside shield body (1) spherical hinge (21) through spherical hinge installed part (22), spherical hinge (21) both ends all are provided with connecting barrel casing (23), and just two sets of connecting barrel casing (23) run through shield body (1) inner chamber, and are a set of connecting barrel casing (23) are kept away from the one end of spherical hinge (21) and are installed power supply (5).

3. The rectangular pipe jacking machine blind area excavation crushing device of claim 2, characterized in that: the spherical hinge mounting piece (22) comprises a first check ring (221), a second check ring (222), a first flange (223) and a second flange (224), the two sides of the outer wall of the spherical hinge (21) are sleeved with the first check ring (221) and the second check ring (222), the inner rings of the first check ring (221) and the second check ring (222) are spherical surfaces matched with the spherical hinge (21), the first flange (223) and the second flange (224) are respectively mounted on one side surface, far away from each other, of the first check ring (221) and the second check ring (222), and the first flange (223) and the second flange (224) are fixedly connected with the shield body (1) through bolts.

4. The rectangular pipe jacking machine blind area excavation crushing device of claim 2, characterized in that: connect barrel casing (23) including connecting portion (231) and shell ring (232), connecting portion (231) and ball pivot (21) looks rigid coupling, the one end that ball pivot (21) were kept away from in connecting portion (231) has shell ring (232), a set of through bolt demountable installation to shell ring (232) the one end that connecting portion (231) were kept away from in shell ring (232) is installed power supply (5).

5. The rectangular pipe jacking machine dead zone excavation crushing device of claim 1, 2 or 4, wherein: the turning mechanism (6) comprises an oil cylinder (61), a first hinged seat (62) and a second hinged seat (63), the first hinged seat (62) is installed on the outer wall of the shield body (1), the second hinged seat (63) is installed on the outer wall of one end of the spherical hinge mechanism (2) where the power source (5) is installed, the fixed end of the oil cylinder (61) is hinged to the first hinged seat (62), and the output end of the oil cylinder (61) is hinged to the second hinged seat (63).

6. The rectangular pipe jacking machine blind area excavation crushing device of claim 4, characterized in that: the outer wall of the shell ring (232) provided with the power source (5) is fixedly connected with a second hinged seat (63).

7. The rectangular pipe jacking machine blind area excavation crushing device of claim 5, characterized in that: the oil cylinders (61) are provided with three groups, and the three groups of oil cylinders (61) are arranged at equal angles along the central line of the spherical hinge mechanism (2).

8. The rectangular pipe jacking machine blind area excavation crushing device of claim 1, characterized in that: the power source (5) is one of an electric motor or a hydraulic motor.

9. The rectangular pipe jacking machine blind area excavation crushing device of claim 1, characterized in that: and a plurality of groups of high-pressure water spraying heads (41) are arranged on the drill bit of the excavation drill (4).

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