CN216342132U

CN216342132U - Central pipe device for connecting small-diameter shield and positioning center to rotate

Info

Publication number: CN216342132U
Application number: CN202122297941.4U
Authority: CN
Inventors: 孙绍哲; 徐鹏程; 徐沣
Original assignee: Liaoning Censcience Industry Co Ltd
Current assignee: Liaoning Censcience Industry Co Ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-04-19
Anticipated expiration: 2031-09-23

Abstract

The utility model belongs to the field of shield tunneling machines, and particularly relates to a central pipe device for connecting a small-diameter shield and positioning center rotation. The central tube device formed by the central tube, the supporting arms and the connecting arms can play a role in ensuring the axial installation space between the central rotation and the main drive of the small-sized shield tunneling machine and the installation position precision of the central rotation, so that the use performance of the central rotation is ensured, the structure is simple, and the installation is easy.

Description

Central pipe device for connecting small-diameter shield and positioning center to rotate

Technical Field

The utility model belongs to the field of shield machines, and particularly relates to a central tube device for connecting a small-diameter shield and positioning center rotation.

Background

With the development and perfection of shield construction, the small-diameter shield tunneling machine suitable for construction projects such as urban municipal underground water supply and drainage pipe galleries, communication power cable pipelines, oil and gas pipelines and the like gradually has a 'brand-new exposed head angle'. The shield diameter of the small-diameter shield machine is small, the internal structure form of the traditional large shield machine cannot be completely applied, and the axial installation space between the central rotation of the small shield machine and the main drive and the installation position precision of the central rotation cannot be simultaneously ensured.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, it is an object of the present invention to provide a center tube assembly for small diameter shield attachment and centering of a central swivel.

The purpose of the utility model is realized by the following technical scheme:

the utility model provides a center tube device that is used for minor diameter shield to construct to connect and center of location gyration, includes center tube, support arm and linking arm, the one end and the shield of support arm construct owner drive frame terminal surface and be connected, the support arm passes through the linking arm with the outer peripheral face of center tube is connected, shield constructs quick-witted center gyration install in the center tube, just the axial central line of center tube, the rotatory axial central line in shield structure machine center all with shield structure owner drive central line collineation.

And a gland is arranged on an opening of the central pipe close to one end of the main driving machine of the shield tunneling machine through a bolt.

And a sealing ring is arranged at the joint of the central pipe and the gland.

The support arm sets up two at least, just the support arm evenly sets up on shield constructs owner drive frame terminal surface along circumference.

The supporting arm is provided with a connecting flange A, and the end face of a main driving frame of the shield tunneling machine is provided with a connecting seat matched with one end of the supporting arm; one end of the supporting arm is inserted into the connecting seat, and the connecting flange A is connected with the connecting seat through a bolt.

One end of the connecting arm is welded with the central pipe, the other end of the connecting arm is provided with a connecting flange B, and the connecting flange B is connected with the supporting arm through a bolt.

And a positioning pin is arranged on the joint position of the support arm and the connecting flange B, and when the connecting flange B is jointed with the support arm, the positioning pin penetrates through the connecting flange B.

The utility model has the advantages and positive effects that:

the utility model can play a role in ensuring the axial installation space between the central rotation and the main drive of the small-sized shield machine and the installation position precision of the central rotation, thereby ensuring the use performance of the central rotation, and having simple structure and easy installation.

Drawings

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

In the figure: 1-central tube, 2-supporting arm, 201-connecting flange A, 202-positioning pin, 3-connecting arm, 301-connecting flange B, 4-gland and 5-sealing ring.

Detailed Description

The utility model is described in further detail below with reference to fig. 1.

A central tube device for small-diameter shield connection and positioning center rotation comprises a central tube 1, a support arm 2 and a connecting arm 3, wherein one end of the support arm 2 is connected with the end face of a main driving frame of a shield machine, the support arm 2 is connected with the outer peripheral surface of the central tube 1 through the connecting arm 3, the center of the shield machine is rotatably installed in the central tube 1, the installation mode of the center rotation of the shield machine adopts the prior art, and the axial central line of the central tube 1 and the axial central line of the center rotation of the shield machine are ensured to be collinear with the main driving central line of the shield machine during installation; mounting the support arm 2 on the end face of a main driving frame of the shield tunneling machine, and rotatably mounting the center of the shield tunneling machine into the central pipe 1; the central pipe device formed by the central pipe 1, the supporting arms 2 and the connecting arms 3 plays a role in ensuring the axial installation space between the central rotation and the main drive of the small-sized shield tunneling machine and the installation position precision of the central rotation.

Specifically, in this embodiment, a gland 4 is installed on an opening of the central tube 1 near the main driving end of the shield tunneling machine through a bolt, and a sealing ring 5 is arranged at a joint of the central tube 1 and the gland 4 and plays a role in sealing the inner space of the central tube 1.

Particularly, support arm 2 sets up two at least, and this embodiment sets up two support arms 2, and support arm 2 evenly sets up on shield structure owner driving frame terminal surface along circumference to guarantee the axial centerline of center tube 1 and shield structure owner driving center line collineation.

Specifically, in this embodiment, a connecting flange a 201 is arranged on the support arm 2, and a connecting seat matched with one end of the support arm 2 is arranged on the end surface of the main driving frame of the shield tunneling machine; this connecting seat is inserted to 2 one ends of support arm to be connected flange A201 with this connecting seat through the bolt, can guarantee that the support arm 2 is stable with being connected of shield constructs owner drive frame terminal surface, sealed glue is scribbled on the composition surface of connecting flange A201 and the connecting seat of shield structure owner drive frame terminal surface.

Specifically, one end of the connecting arm 3 is welded to the central tube 1, the other end of the connecting arm is provided with a connecting flange B301, the connecting flange B301 is connected with the support arm 2 through a bolt, and a sealing adhesive is coated on the joint surface of the connecting flange B301 and the support arm 2.

Specifically, a positioning pin 202 is arranged at the position, which is jointed with the connecting flange B301, on the support arm 2, and when the connecting flange B301 is jointed with the support arm 2, the positioning pin 202 penetrates through the connecting flange B301; the positioning pins 202 are provided to facilitate positioning when the attachment flange B301 is installed.

The working principle is as follows:

mounting the support arm 2 on the end face of a main driving frame of the shield tunneling machine, and rotatably mounting the center of the shield tunneling machine into the central pipe 1; the central pipe device formed by the central pipe 1, the supporting arms 2 and the connecting arms 3 plays a role in ensuring the axial installation space between the central rotation and the main drive of the small-sized shield tunneling machine and the installation position precision of the central rotation.

Claims

1. The utility model provides a center tube device that is used for minor diameter shield to construct to connect and location center gyration which characterized in that: including center tube (1), support arm (2) and linking arm (3), the one end and the shield of support arm (2) construct owner drive frame end connection, support arm (2) pass through linking arm (3) with the outer peripheral face of center tube (1) is connected, shield constructs quick-witted center gyration install in center tube (1), just axial center line, the shield of center tube (1) center gyration all with the shield constructs owner drive center line collineation.

2. The central tube apparatus for small diameter shield attachment and centering swivel as claimed in claim 1, wherein: and a gland (4) is arranged on an opening of the central pipe (1) close to one end of the main driving machine of the shield tunneling machine through a bolt.

3. The center tube apparatus for small diameter shield attachment and centering swivel as claimed in claim 2, wherein: and a sealing ring (5) is arranged at the joint of the central pipe (1) and the gland (4).

4. The central tube apparatus for small diameter shield attachment and centering swivel as claimed in claim 1, wherein: the shield tunneling machine is characterized in that the number of the supporting arms (2) is at least two, and the supporting arms (2) are evenly arranged on the end face of the main driving frame of the shield tunneling machine along the circumferential direction.

5. The central tube apparatus for small diameter shield attachment and centering swivel as claimed in claim 1, wherein: a connecting flange A (201) is arranged on the supporting arm (2), and a connecting seat matched with one end of the supporting arm (2) is arranged on the end face of a main driving frame of the shield tunneling machine; one end of the supporting arm (2) is inserted into the connecting seat, and the connecting flange A (201) is connected with the connecting seat through a bolt.

6. The central tube apparatus for small diameter shield attachment and centering swivel as claimed in claim 1, wherein: one end of the connecting arm (3) is welded with the central pipe (1), the other end of the connecting arm is provided with a connecting flange B (301), and the connecting flange B (301) is connected with the supporting arm (2) through a bolt.

7. The center tube apparatus for small diameter shield attachment and centering swivel as claimed in claim 6, wherein: and a positioning pin (202) is arranged at the joint position of the support arm (2) and the connecting flange B (301), and when the connecting flange B (301) is jointed with the support arm (2), the positioning pin (202) penetrates through the connecting flange B (301).