CN218062313U - Main driving structure of small-diameter shield tunneling machine - Google Patents
Main driving structure of small-diameter shield tunneling machine Download PDFInfo
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- CN218062313U CN218062313U CN202222583442.6U CN202222583442U CN218062313U CN 218062313 U CN218062313 U CN 218062313U CN 202222583442 U CN202222583442 U CN 202222583442U CN 218062313 U CN218062313 U CN 218062313U
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Abstract
The utility model discloses a main driving structure of a small-diameter shield tunneling machine, which comprises a flange, a main bearing, a large gear ring and a driving device, wherein the end part of the flange is connected with a cutter head, and the flange is used for driving the cutter head to rotate; the main bearing is sleeved on the periphery of the flange; the large gear ring is fixedly connected with the flange to drive the flange to rotate, and the large gear ring and the main bearing are arranged along the axial direction of the cutter head; the driving device is connected with the large gear ring to drive the large gear ring to rotate. The large gear ring and the main bearing are separately arranged along the axial direction of the cutter head, so that the radial size of the main driving structure can be reduced, the installation condition of the small-diameter shield machine can be met, and the installation of the main driving of the small-diameter shield machine is facilitated.
Description
Technical Field
The utility model relates to a tunnel shield constructs machine tunneling construction technical field, more specifically says, relates to a major drive structure of minor diameter shield constructs machine.
Background
With the development of the times, the modernization construction speed of the city is continuously accelerated, the requirements of underground pipe galleries of the city on equipment such as drinking water pipelines, sewage pipelines, gas pipelines, underground cable pipelines and the like are rapidly expanded, and the requirements of small-diameter shield machines for excavating underground pipe gallery tunnels are continuously increased in recent years according to the national development trend and market demand prejudgment, so that the market prospect is good.
The driving bearing commonly used in the main drive of the shield tunneling machine at present has an outer tooth type and an inner tooth type, the radial size of the outer tooth type driving bearing is large, and the requirement on installation space is large; the inner tooth type driving bearing is small in radial size, a speed reducer and a motor need to be installed in the middle of the inner tooth type driving bearing, and a rotation center does not have an installation position, so that installation spaces needed by the two types of driving bearings are large, the small-diameter shield machine is small in radial size, limited in internal installation space and high in equipment arrangement difficulty, main driving needs to be installed, other parts such as a man bin, the rotation center and a screw machine need to be installed, and therefore the two types of main driving can not be installed on the small-diameter shield machine.
To sum up, how to solve the problem that the main drive of the small-diameter shield tunneling machine is difficult to install is a problem to be solved urgently by a technical person in the field at present.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a minor diameter shield constructs main drive structure of machine, the minor diameter shield of being convenient for constructs machine installation main drive structure.
In order to achieve the above object, the present invention provides the following technical solutions:
a main driving structure of a small-diameter shield tunneling machine comprises:
the end part of the flange is connected with a cutter head, and the flange is used for driving the cutter head to rotate;
the main bearing is sleeved on the periphery of the flange;
the large gear ring is fixedly connected with the flange to drive the flange to rotate, and the large gear ring and the main bearing are separately arranged along the axial direction of the cutter head;
and the driving device is connected with the large gear ring to drive the large gear ring to rotate.
Preferably, a gearbox is provided externally of the main bearing.
Preferably, the main bearing is a plurality of rows of roller bearings.
Preferably, the periphery of the flange is provided with an outer ring, and an outer seal is arranged between the flange and the outer ring.
Preferably, the outer seal is a lip seal.
Preferably, the outer end of the large gear ring is provided with an inner seal.
Preferably, the inner seal is a lip seal.
Preferably, the driving device includes a speed reducer and a pinion, the speed reducer is connected to the pinion, the pinion is engaged with the large gear ring, and a bearing is provided at an end of the pinion.
Preferably, the bearing is provided with a bearing sleeve for fixing the bearing at the periphery thereof.
The utility model provides a minor diameter shield constructs main drive structure of machine, including flange, base bearing, bull gear and drive arrangement, the end connection of flange has the blade disc, and the periphery of flange, bull gear and flange joint are located to the main bearing housing.
When the large gear ring main bearing is used, the driving device drives the large gear ring to rotate, and the large gear ring is fixedly connected with the flange which is connected with the cutter head, so that the rotation of the large gear ring can drive the flange and the cutter head to rotate together, and the flange simultaneously drives the main bearing to rotate.
The main bearing and the large gear ring are separately arranged along the axial direction of the cutter head, so that the radial size of the main drive can be reduced while the inner space of the main drive is ensured, the installation condition of the small-diameter shield tunneling machine can be met, and the installation of the main drive of the small-diameter shield tunneling machine is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a main driving structure of a small-diameter shield tunneling machine provided by the present invention;
fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 1.
In FIGS. 1-2:
the structure comprises a flange 1, a main bearing 2, a main bearing 3, a gearbox 4, a bearing 5, a pinion 6, a gearbox panel 7, a bearing sleeve 8, a speed reducer 9, a permanent magnet synchronous motor 10, an inner seal 11, a large gear ring 12, a bolt 13, an outer ring 14 and a cutter head 15.
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 efforts all belong to the protection scope of the present invention.
The core of the utility model is to provide a minor diameter shield constructs main drive structure of machine, the base bearing separately sets up with the axial of bull gear along the blade disc, can reduce main drive's radial dimension when guaranteeing main drive's inner space, the minor diameter shield of being convenient for constructs machine installation main drive structure.
Referring to fig. 1 and 2, fig. 1 is a schematic structural diagram of a main driving structure of a small-diameter shield tunneling machine;
fig. 2 isbase:Sub>A sectional viewbase:Sub>A-base:Sub>A of fig. 1.
The main driving structure of the small-diameter shield tunneling machine comprises a flange 1, a main bearing 3, a large gear ring 12 and a driving device, wherein a cutter head 15 is connected to the end of the flange 1, and the flange 1 is used for driving the cutter head 15 to rotate; the main bearing 3 is sleeved on the periphery of the flange 1; the large gear ring 12 is fixedly connected with the flange 1 to drive the flange 1 to rotate, and the large gear ring 12 and the main bearing 3 are arranged along the axial direction of the cutter head 15; the drive device is connected to the large ring gear 12 to drive the large ring gear 12 to rotate.
Specifically, the flange 1 is connected with the cutter head 15 at the front end through a bolt, the cutter head 15 is connected with the main drive overall structure through the flange 1, the large gear ring 12 is connected with one end, far away from the cutter head 15, of the flange 1 through a bolt, and the main bearing 3 is sleeved on the periphery of the flange 1.
When the large gear ring main bearing is used, the large gear ring 12 is driven to rotate through the driving device, the large gear ring 12 is fixedly connected with the flange 1, and the flange 1 is connected with the cutter head 15, so that the flange 1 and the cutter head 15 can be driven to rotate together by the rotation of the large gear ring 12, and the main bearing 3 is driven to rotate by the flange 1.
Because the main bearing 3 and the large gear ring 12 are separately arranged along the axial direction of the cutter head 15, the radial size of the main drive can be reduced while the internal space of the main drive is ensured, thereby meeting the installation conditions of the small-diameter shield machine and realizing the installation of the main drive of the small-diameter shield machine.
Alternatively, the ring gear 12 can also be connected to another location of the flange 1.
On the basis of the above described embodiment, the main bearing 3 is externally provided with a gearbox 4.
Specifically, the partial periphery of base bearing 3, bull gear 12, flange 1 and drive arrangement is located to gearbox 4 cover, and gearbox 4 is main drive's outside casing promptly, and inside spare part contains in gearbox 4's inside to play the effect of protection to inside spare part, avoid spare part to receive the damage, regard as the carrier of inside gear oil simultaneously.
On the basis of the above embodiment, the main bearing 3 is a plurality of rows of roller bearings.
Specifically, the main bearing 3 is a three-row roller bearing, can bear main circumferential pushing and pressing force, overturning moment and reverse thrust load, and effectively improves the safety, reliability and stability of transmission.
Alternatively, the main bearing 3 may be a two-row or multi-row roller bearing.
Alternatively, the main bearing 3 may be another type of bearing.
In addition to the above embodiments, the outer ring 14 is provided on the outer periphery of the flange 1, and the outer seal 2 is provided between the flange 1 and the outer ring 14.
Specifically, the outer ring 14 is arranged at one end, close to the cutter head 15, of the gearbox 4, the outer ring 14 is connected with the gearbox 4 through bolts, the inner wall surface of the outer ring 14 is connected with the periphery of the flange 1 through the outer seal 2, so that external muck is prevented from entering the outer ring 14 and the gearbox 4, safe operation of internal parts is guaranteed, and meanwhile gear oil inside the gearbox 4 can be prevented from leaking.
Alternatively, the outer race 14 and the transmission case 4 may be connected by screws or other means.
On the basis of the above described embodiment, the outer seal 2 is a lip seal.
Specifically, external seal 2 is sealed for the lip type, and the lip type is sealed including structures such as external seal 2 ring, outer clamp ring, and the leakproofness that the lip type is sealed is higher, and simple to operate, when guaranteeing the leakproofness of main drive structure, improves production efficiency.
Alternatively, the outer seal 2 may be a labyrinth seal or another type of seal.
On the basis of the above described embodiment, the outer end of the large ring gear 12 is provided with an inner seal 11.
Specifically, the one end that blade disc 15 was kept away from to gearbox 4 has gearbox panel 7 through bolted connection, and the one end that blade disc 15 was kept away from to bull gear 12 is equipped with interior seal 11, and bull gear 12 passes through bolt 13 and is connected with gearbox panel 7, and interior seal 11 is connected with gearbox panel 7 to prevent inside gear oil leakage, prevent simultaneously that outside dregs from getting into inside gearbox 4.
Alternatively, the gearbox 4 and the gearbox faceplate 7 may be connected by screws or other means.
On the basis of the above described embodiment, the inner seal 11 is a lip seal.
Specifically, the inner seal 11 is a lip seal, the sealing performance of the lip seal is high, the installation is convenient, and the production efficiency is improved while the sealing performance of the main driving structure is ensured.
Alternatively, the inner seal 11 may be a labyrinth seal or other type of seal.
In any of the above embodiments, the drive device includes a reduction gear 9 and a pinion gear 6, the reduction gear 9 is connected to the pinion gear 6, the pinion gear 6 meshes with the ring gear 12, and a bearing 5 is provided at an end of the pinion gear 6.
Specifically, the driving device comprises a speed reducer 9, a pinion 6 and a permanent magnet synchronous motor 10, the permanent magnet synchronous motor 10 is connected with the speed reducer 9, the speed reducer 9 is connected with the pinion 6, the driving device is arranged above a large gear ring 12, the large gear ring 12 is meshed with the pinion 6, and bearings 5 are arranged at two ends of the pinion 6.
The permanent magnet synchronous motor 10 provides power for the shield tunneling machine to tunnel, the rotating speed is reduced through the speed reducer 9, the torque is improved, and then the torque is transmitted to the cutter head 15 through the internal structure, so that the cutter head 15 finishes the cutting tunneling process, and the bearings 5 at two ends of the pinion 6 guarantee the rotation of the pinion 6.
Alternatively, the drive means may be provided at other locations on the ring gear 12.
Alternatively, the speed reducer 9 may not be provided.
On the basis of the above embodiment, the outer circumference of the bearing 5 is provided with the bearing housing 8 for fixing the bearing 5.
Specifically, the junction that speed reducer 9 and pinion 6 were located to gearbox panel 7 is outside, pinion 6 is close to bearing 5 periphery of 9 one ends of speed reducer and is equipped with bearing housing 8, gearbox panel 7 be equipped with can with bearing housing 8 complex dead eye, the outside welding annular plate of dead eye, through annular plate installation speed reducer 9, bearing housing 8 locates bearing 5's outside, and bearing housing 8 passes through the bolt and is connected with gearbox panel 7, set up bearing housing 8 and deviate from in order to prevent that bearing 5 from leading to the unable normal operating of main drive structure, guarantee the security of main drive structure.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It is right above the utility model provides a major drive structure of minor diameter shield constructs machine has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (9)
1. The utility model provides a minor diameter shield constructs main drive structure of machine which characterized in that includes:
the end of the flange (1) is connected with a cutter head (15), and the flange (1) is used for driving the cutter head (15) to rotate;
the main bearing (3) is sleeved on the periphery of the flange (1);
the large gear ring (12) is fixedly connected with the flange (1) to drive the flange (1) to rotate, and the large gear ring (12) and the main bearing (3) are separately arranged along the axial direction of the cutter head (15);
the driving device is connected with the large gear ring (12) to drive the large gear ring (12) to rotate.
2. A main drive structure of a small diameter shield tunneling machine according to claim 1, characterized in that a transmission case (4) is provided outside the main bearing (3).
3. A main drive structure of a small diameter shield tunneling machine according to claim 1, characterized in that said main bearing (3) is a plurality of rows of roller bearings.
4. The main driving structure of a small-diameter shield tunneling machine according to claim 1, characterized in that an outer ring (14) is provided on the outer periphery of the flange (1), and an outer seal (2) is provided between the flange (1) and the outer ring (14).
5. The primary drive structure of a small diameter shield tunneling machine according to claim 4, characterized in that the outer seal (2) is a lip seal.
6. The main drive structure of a small diameter shield tunneling machine according to claim 1, characterized in that the outer end of the large ring gear (12) is provided with an inner seal (11).
7. The main drive structure of a small diameter shield tunneling machine according to claim 6, characterized in that said inner seal (11) is a lip seal.
8. The main drive structure of a small diameter shield tunneling machine according to any one of claims 1-7, characterized in that the drive device includes a reducer (9) and a pinion (6), the reducer (9) is connected to the pinion (6), the pinion (6) is meshed with the bull gear (12), and the end of the pinion (6) is provided with a bearing (5).
9. Main drive structure of a small diameter shield tunneling machine according to claim 8, characterized in that the outer circumference of the bearing (5) is provided with a bearing sleeve (8) for fixing the bearing (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222583442.6U CN218062313U (en) | 2022-09-28 | 2022-09-28 | Main driving structure of small-diameter shield tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222583442.6U CN218062313U (en) | 2022-09-28 | 2022-09-28 | Main driving structure of small-diameter shield tunneling machine |
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| Publication Number | Publication Date |
|---|---|
| CN218062313U true CN218062313U (en) | 2022-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222583442.6U Active CN218062313U (en) | 2022-09-28 | 2022-09-28 | Main driving structure of small-diameter shield tunneling machine |
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| CN (1) | CN218062313U (en) |
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- 2022-09-28 CN CN202222583442.6U patent/CN218062313U/en active Active
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