CN211474127U

CN211474127U - Shield constructs portal reinforced structure for track traffic

Info

Publication number: CN211474127U
Application number: CN202020167615.4U
Authority: CN
Inventors: 赵先鹏; 伍冬; 苑俊杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-13
Filing date: 2020-02-13
Publication date: 2020-09-11
Anticipated expiration: 2030-02-13

Abstract

The utility model discloses a shield constructs portal reinforced structure for track traffic, including the door opening, the sub-vertical main support that upwards is provided with in door opening inner chamber bottom middle position, the vertical fixed mounting that makes progress in main support upper portion has manual cylinder, the equal fixedly connected with roof of tip under the telescopic link tip of manual cylinder and the branch, roof outside fixedly connected with rubber pad under branch upper end and the main support. The utility model discloses an equal fixedly connected with roof under branch upper end and the main support, roof outside fixedly connected with rubber pad places main support and branch when the door opening inner chamber, carries out outside expansion through manual cylinder with two roof and until the roof laminating both sides about the door opening inner wall, can form the supporting effect to the door opening, and it is very convenient to operate to get up.

Description

Shield constructs portal reinforced structure for track traffic

Technical Field

The utility model relates to a track traffic technical field specifically is a shield constructs portal reinforced structure for track traffic.

Background

At present, the annular shield or annular pipe jacking technology is a construction technology different from a conventional shield or pipe jacking method, and is mainly characterized in that a soil body in an annular section where a primary lining is located is excavated firstly and is constructed as a primary lining, after a tunnel is penetrated, the soil body in the primary lining is excavated integrally and is constructed as a secondary lining. The main advantage of this is that the tunnel shape and size are not in theory subject to any restrictions.

The utility model discloses a shield constructs portal reinforced structure for track traffic through retrieval publication (announcement) number CN209780897U, including the portal body, the inside reinforcing ring angle steel that is equipped with of portal body, the end fixing of reinforcing ring angle steel is on the portal body, it is equipped with a plurality of first reinforcing angle steel groups to set up between reinforcing ring angle steel and the portal body, this internal first reinforcing bar group that transversely is equipped with of portal, still be equipped with a plurality of second reinforcing bar groups on the portal body, a plurality of second reinforcing bar groups and first reinforcing bar group fixed connection. Although the utility model discloses a shield constructs portal reinforced structure for track traffic can guarantee to shield and construct the safety of starting smoothly and receiving and tunnel excavation construction, and support intensity is high, simple structure, construction convenience.

However, the inventor finds that the technical scheme still has at least the following defects:

firstly, the technical scheme adopts more steel bar structures which are quite unchanged during assembly, and the stability is poor during operation;

secondly, reinforcing mechanism among this technical scheme can't transport reuse in the later stage, causes the waste of resource.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shield constructs portal reinforced structure for track traffic has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a shield tunnel portal reinforcing structure for track traffic comprises a portal, wherein a main support is vertically and upwardly arranged at the middle part of the bottom of an inner cavity of the portal, a manual cylinder is vertically and upwardly fixedly arranged at the upper part of the main support, the end part of a telescopic rod of the manual cylinder is fixedly connected with the lower end part of a support rod, the upper end part of the support rod and the lower end part of the main support are fixedly connected with a top plate, and a rubber pad is fixedly connected to the outer side of the;

the left side wall and the right side wall of the main support are obliquely and fixedly connected with inclined supporting rods, sleeves are sleeved outside the inclined supporting rods, and one end parts, far away from the main support, of the sleeves are vertically and fixedly connected with lateral supporting blocks; the sleeve and the inclined supporting rod are screwed and fixed through two fixing bolts.

As an optimal implementation mode of the utility model, the rubber pad is laminated on the inner wall of the door opening.

As an optimal implementation mode of the utility model, the laminating of side direction supporting shoe lateral wall is at the door opening left and right sides inner wall.

As an optimized embodiment of the present invention, the bolt positioning holes are disposed on the side wall of the sleeve and are matched with the fixing bolts.

As a preferred embodiment of the present invention, the support rod, the main support, the sleeve and the inclined support rod are made of aluminum alloy.

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

1. the utility model discloses an equal fixedly connected with roof under branch upper end and the main support, roof outside fixedly connected with rubber pad places main support and branch when the door opening inner chamber, carries out outside expansion through manual cylinder with two roof and until the roof laminating both sides about the door opening inner wall, can form the supporting effect to the door opening, and it is very convenient to operate to get up.

2. In the utility model, a lateral supporting block is vertically and fixedly connected with one end part of the sleeve pipe far away from the main bracket; the sleeve and the inclined supporting rod are screwed and fixed through two fixing bolts, the length of the sleeve on the inclined supporting rod is adjusted according to the diameter of the door opening, and then the lateral supporting block is used for laterally supporting the door opening, so that the reinforcing strength is guaranteed.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of the overall structure of a shield tunnel portal reinforcement structure for rail transit according to the present invention;

fig. 2 is the utility model relates to a track traffic is with shield tunnel portal reinforced structure's bolt locating hole distributes on the sleeve pipe and overlooks the schematic structure.

In the figure: the device comprises a door opening 1, a top plate 2, a supporting rod 3, a rubber pad 4, a manual cylinder 5, a fixing bolt 6, an inclined supporting rod 7, a main support 8, a sleeve 9, a lateral supporting block 10 and a bolt positioning hole 11.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element so 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 description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a shield tunnel door reinforcing structure for rail transit comprises a door opening 1, wherein a main support 8 is vertically and upwardly arranged at the middle part of the bottom of an inner cavity of the door opening 1, a manual cylinder 5 is vertically and upwardly fixedly arranged at the upper part of the main support 8, the end part of a telescopic rod of the manual cylinder 5 is fixedly connected with the lower end part of a support rod 3, the upper end part of the support rod 3 and the lower end part of the main support 8 are both fixedly connected with top plates 2, rubber pads 4 are fixedly connected to the outer sides of the top plates 2, when the main support 8 and the support rod 3 are placed in the inner cavity of the door opening 1, the two top plates 2 are outwardly expanded through the manual cylinder 5 until the top plates 2 are attached to the upper;

the left side wall and the right side wall of the main support 8 are obliquely and fixedly connected with inclined supporting rods 7, sleeves 9 are sleeved outside the inclined supporting rods 7, and one end parts, far away from the main support 8, of the sleeves 9 are vertically and fixedly connected with lateral supporting blocks 10; the sleeve 9 and the inclined supporting rod 7 are screwed and fixed through two fixing bolts 6, the length of the sleeve 9 on the inclined supporting rod 7 is adjusted according to the diameter of the door opening 1, and then the lateral supporting block 10 is used for laterally supporting the door opening 1, so that the reinforcing strength is guaranteed.

In this embodiment (please refer to fig. 1), the rubber pad 4 is attached to the inner wall of the door opening 1, and has a certain buffering effect, so as to prevent the door opening 1 from being damaged due to the direct contact between the top plate 2 and the door opening 1.

In this embodiment (see fig. 1), the outer sidewalls of the lateral support blocks 10 are attached to the inner walls of the left and right sides of the door opening 1, so as to support and stabilize the left and right sides of the door opening 1.

In this embodiment (please refer to fig. 2), the upper sidewall of the sleeve 9 is provided with a plurality of bolt positioning holes 11 which are equidistantly distributed and adapted to the fixing bolt 6, so that the telescopic length of the sleeve 9 on the inclined support rod 7 can be adjusted according to actual requirements, and the sleeve 9 and the inclined support rod 7 can be fixed without affecting the cooperation between the practical fixing bolt 6 and the corresponding bolt positioning hole 11.

In this embodiment (see fig. 1), the support rods 3, the main support 8, the sleeve 9 and the inclined support rod 7 are made of aluminum alloy.

When a shield constructs portal reinforced structure for track traffic uses, it is required to explain, the utility model relates to a shield constructs portal reinforced structure for track traffic, including portal 1, roof 2, branch 3, rubber pad 4, hand cylinder 5, fixing bolt 6, inclined support pole 7, main support 8, sleeve pipe 9, side direction supporting shoe 10, bolt locating hole 11, the part is general standard component or the part that technical staff in the field knows, and its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method.

When in use, one end part of the sleeve 9 far away from the main bracket 8 is vertically and fixedly connected with a lateral supporting block 10; it is fixed through 6 twists of two fixing bolt between sleeve pipe 9 and the inclined support pole 7, according to door opening 1's diameter, the length of adjustment sleeve pipe 9 on inclined support pole 7, then carry out the side direction support to door opening 1 with side direction supporting shoe 10, guarantee to consolidate the intensity, equal fixedly connected with roof 2 under 3 upper end of branch and the main support 8, 2 outside fixedly connected with rubber pads 4 of roof, place main support 8 and branch 3 when 1 inner chamber in door opening, both sides about 1 inner wall of door opening are laminated until roof 2 laminating to two roof 2 outside expansion through hand cylinder 5, can form the supporting effect to door opening 1.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a shield constructs portal reinforced structure for track traffic, includes door opening (1), its characterized in that: a main support (8) is vertically and upwardly arranged at the middle position of the bottom of the inner cavity of the door opening (1), a manual cylinder (5) is vertically and upwardly fixedly mounted at the upper part of the main support (8), the end part of a telescopic rod of the manual cylinder (5) is fixedly connected with the lower end part of the support rod (3), the upper end part of the support rod (3) and the lower end part of the main support (8) are fixedly connected with a top plate (2), and a rubber pad (4) is fixedly connected to the outer side of the top;

the left side wall and the right side wall of the main support (8) are obliquely and fixedly connected with inclined supporting rods (7), sleeve pipes (9) are sleeved outside the inclined supporting rods (7), and one end parts, far away from the main support (8), of the sleeve pipes (9) are vertically and fixedly connected with lateral supporting blocks (10); the sleeve (9) and the inclined supporting rod (7) are screwed and fixed through two fixing bolts (6).

2. The shield tunnel portal reinforcement structure for rail transit according to claim 1, characterized in that: the rubber pad (4) is attached to the inner wall of the door opening (1).

3. The shield tunnel portal reinforcement structure for rail transit according to claim 1, characterized in that: the lateral supporting blocks (10) are attached to the inner walls of the left side and the right side of the door opening (1) through the outer side walls.

4. The shield tunnel portal reinforcement structure for rail transit according to claim 1, characterized in that: the side wall of the sleeve (9) is provided with a plurality of bolt positioning holes (11) which are distributed at equal intervals and are matched with the fixing bolts (6).

5. The shield tunnel portal reinforcement structure for rail transit according to claim 1, characterized in that: the supporting rods (3), the main support (8), the sleeve (9) and the inclined supporting rods (7) are all made of aluminum alloy.