CN213627601U - Highway tunnel ventilation duct corrugated steel pipe support component - Google Patents

Abstract

The utility model discloses a highway tunnel ventiduct corrugated steel pipe support member relates to lining cutting technical field. The utility model discloses a corrugated steel pipe body, the corrugated steel pipe body includes four corrugated arc boards that are the concatenation of annular array, and per two are adjacent the junction all is provided with a plurality of fixed block, every between the corrugated arc board a plurality of screw hole has all been seted up on the corrugated arc board, every all insert on the fixed block and be equipped with four threaded rods that are the distribution of rectangle array, and every the threaded rod connects corresponding threaded hole on two adjacent corrugated arc boards through screw-thread fit respectively. The utility model discloses a fixed block and coupling assembling that set up on ripple arc plate fix the fixed block between two ripple arc plates through the cooperation of threaded rod and nut, and the device makes the inside of corrugated steel pipe body strengthened through fixed block and coupling assembling to improve corrugated steel pipe body and to the resistance of external force, improve the quality of lining cutting operation.

Description

Highway tunnel ventilation duct corrugated steel pipe support component

Technical Field

The utility model relates to a lining cutting technical field, concretely relates to highway tunnel ventiduct corrugated steel pipe support component.

Background

Lining refers to a permanent supporting structure built by reinforced concrete and other materials along the periphery of a tunnel body in order to prevent surrounding rocks from deforming or collapsing. Lining technology is generally applied to tunnel engineering and water conservancy channels. The lining is simply a lining, is usually lined by building blocks and can be a prestressed high-pressure grouting plain concrete lining.

The corrugated steel pipe lining is a novel lining form, and the corrugated steel pipe has high strength and good toughness. The assembled steel corrugated pipe lining is used as a permanent lining of a tunnel to replace the traditional composite lining, so that the sectional area of the structure can be reduced, the engineering quantity is reduced, the cost is saved, the crack resistance and the permeability resistance of the tunnel lining can be improved, the stability of the tunnel is improved, the steel corrugated pipe can be permanently left in reinforced concrete after the ring is assembled, but the existing steel corrugated pipe is generally not provided with a reinforced structure after being assembled and is only fixed by the reinforced concrete, and serious accidents can happen if the steel corrugated pipe is broken, so that the design of a steel corrugated pipe supporting member for the ventilation duct of the road tunnel is necessary to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: for solving the problem that proposes among the above-mentioned background art, the utility model provides a highway tunnel ventiduct corrugated steel pipe support component.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the utility model provides a highway tunnel ventiduct corrugated steel pipe struts component, includes the corrugated steel pipe body, the corrugated steel pipe body includes four corrugated arc boards that are the concatenation of annular array, and per two are adjacent the junction all is provided with a plurality of fixed block, every a plurality of screw hole has all been seted up on the corrugated arc board, every it is equipped with four threaded rods that are the distribution of rectangular array, and every all to insert on the fixed block the threaded rod connects corresponding threaded hole on two adjacent corrugated arc boards, every through screw-thread fit respectively all have on the threaded rod to be used for fixing the nut on two corrugated arc boards with the fixed block through threaded connection, per two are adjacent be provided with between the fixed block and be used for two fixed block fixed coupling assembling mutually.

Further, coupling assembling includes connecting block one and connecting block two, connecting block one fixed connection is on one of them fixed block, connecting block two fixed connection is on another fixed block, be provided with on the connecting block two and be used for the fixed subassembly of connecting block one and connecting block two.

Further, the fixing assembly comprises a thread groove formed in the second connecting block, a first fixing bolt is inserted and connected to the first connecting block, and the first fixing bolt is connected to the inside of the thread groove through threads.

Further, the fixed block is concave structure, the inside of fixed block is provided with sealed the pad, sealed pad contacts with the inner wall of ripple circular arc board.

Furthermore, two parallel side surfaces of the fixing block are fixedly connected with two threaded sleeves, each threaded sleeve is internally connected with a second fixing bolt through threads, and one end of each second fixing bolt penetrates through the fixing block and abuts against the surface of the sealing gasket.

The utility model has the advantages as follows:

1. the utility model discloses a fixed block and coupling assembling that set up on ripple circular arc board, when using corrugated steel pipe body to carry out the lining cutting, need splice earlier ripple circular arc board and become the circularity, then divide into a set ofly with two fixed blocks, place respectively between per two adjacent ripple circular arc boards, and fix the fixed block between two ripple circular arc boards through the cooperation of threaded rod and nut, thereby accomplish the fixed to every ripple circular arc board, can fix two adjacent fixed blocks through coupling assembling simultaneously, the steadiness between the ripple circular arc board has further been improved, the device makes corrugated steel pipe body's inside to be consolidated through fixed block and coupling assembling, in order to improve corrugated steel pipe body to the resistance of external force, improve the quality of lining cutting operation.

2. The utility model discloses a sealed pad that sets up on the fixed block, sealed pad can block up in the gap of junction between two adjacent ripple arc boards, avoids the junction infiltration of two adjacent ripple arc boards, has improved the device's practicality.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic structural view of the fixing block of the present invention;

fig. 3 is an exploded view of the connection assembly structure of the present invention;

FIG. 4 is a schematic side view of the structure of the fixing block of the present invention;

FIG. 5 is a schematic view of the cross section along the A-A direction of the present invention;

reference numerals: 1. a steel bellows body; 11. a corrugated circular arc plate; 2. a fixed block; 3. a threaded rod; 4. a connecting assembly; 41. a first connecting block; 42. a second connecting block; 43. fixing a first bolt; 44. a thread groove; 5. a threaded sleeve; 6. fixing a second bolt; 7. a gasket; 8. and a nut.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-5, a corrugated steel pipe supporting member for a road tunnel ventilation duct comprises a corrugated steel pipe body 1, the corrugated steel pipe body 1 comprises four corrugated arc plates 11 spliced in an annular array, a plurality of fixed blocks 2 are arranged at the joint between every two adjacent corrugated arc plates 11, a plurality of threaded holes are arranged on each corrugated arc plate 11, four threaded rods 3 distributed in a rectangular array are inserted on each fixed block 2, each threaded rod 3 is respectively connected with the corresponding threaded hole on two adjacent corrugated arc plates 11 in a threaded fit manner, a nut 8 for fixing the fixed block 2 on the two corrugated arc plates 11 is connected on each threaded rod 3 through threads, a connecting component 4 for fixing the two fixed blocks 2 is arranged between every two adjacent fixed blocks 2, when the corrugated steel pipe body 1 is used for lining, need splice earlier ripple circular arc board 11 and become the ring, then divide into a set of with a plurality of fixed block 2, divide into four groups and place respectively between per two adjacent ripple circular arc boards 11, and fix fixed block 2 between two ripple circular arc boards 11 through threaded rod 3 and nut 8's cooperation, thereby accomplish the fixed to every ripple circular arc board 11, can fix two adjacent fixed block 2 through coupling assembling 4 simultaneously, the steadiness between ripple circular arc board 11 has further been improved, the device makes the inside of corrugated steel pipe body strengthened through fixed block 2 and coupling assembling 4, in order to improve corrugated steel pipe body 1 to the resistance of external force, improve the quality of lining cutting operation.

Specifically, as shown in fig. 3, fig. 5, coupling assembling 4 includes connecting block one 41 and connecting block two 42, connecting block one 41 fixed connection is on one of them fixed block 2, connecting block two 42 fixed connection is on another fixed block 2, be provided with on the connecting block two 42 and be used for the fixed subassembly of connecting block one 41 and connecting block two 42 looks fixed, threaded rod 3 on the fixed block 2 alternates on corresponding connecting block one 41 and connecting block two 42, and can fix connecting block one 41 and connecting block two 42 through being connected of nut 8 and threaded rod 3, and fix the back through fixed subassembly with connecting block one 41 and connecting block two 42, can make two fixed blocks 2 fixed mutually, improve the stability of fixed block 2.

Specifically, as shown in fig. 3 and 5, the fixing assembly comprises a thread groove 44 formed in a second connecting block 42, a first fixing bolt 43 is inserted and connected to a first connecting block 41, the first fixing bolt 43 is connected to the inside of the thread groove 44 through threads, through the arrangement, the first fixing bolt 43 is inserted and connected into the first connecting block 41, and the first fixing bolt 43 is rotated to enable the first fixing bolt 43 to be fixedly connected with the second connecting block 42 through thread matching, so that the first connecting block 41 and the second connecting block 42 can be fixed, the structure of the device is more integral, and the stability is further improved.

Specifically, as shown in fig. 2, the fixed block 2 is of a concave structure, the sealing gasket 7 is arranged inside the fixed block 2, the sealing gasket 7 is in contact with the inner wall of the corrugated arc plate 11, and through the arrangement, the sealing gasket 7 can be blocked at the gap of the joint between the two adjacent corrugated arc plates 11, so that water seepage at the joint of the two adjacent corrugated arc plates 11 is avoided, and the practicability of the device is improved.

Specifically, as shown in fig. 4, in order to improve the result of use of sealed pad 7, two threaded sleeve 5 of the equal fixedly connected with in side that fixed block 2 wherein parallels, all through threaded connection fixing bolt two 6 in every threaded sleeve 5, fixing bolt two 6's one end runs through fixed block 2 and contradicts on sealed pad 7's surface, can extrude sealed pad 7 through fixing bolt two 6, make the inner wall of sealed pad 7 steel bellows body 1 of laminating more, can improve 11 conflict power of ripple circular arc board through sealed pad 7 simultaneously, thereby more effectively seal the gap between two ripple circular arc boards 11.

Claims (5)

1. The utility model provides a highway tunnel ventiduct corrugated steel pipe struts component, includes corrugated steel pipe body (1), corrugated steel pipe body (1) is corrugated circular arc board (11) that the annular array concatenation including four, its characterized in that, every two are adjacent the junction all is provided with a plurality of fixed block (2), every on corrugated circular arc board (11) all seted up a plurality of screw hole, every all insert on fixed block (2) and be equipped with four threaded rod (3) that are the distribution of rectangular array, and every threaded rod (3) are connected in the corresponding screw hole on two adjacent corrugated circular arc board (11) through screw-thread fit respectively, every all have nut (8) that are used for fixing fixed block (2) on two corrugated circular arc board (11) through threaded connection on threaded rod (3), every two are adjacent be provided with between fixed block (2) and be used for fixing two fixed block (2) connection mutually An assembly (4).

2. The corrugated steel pipe supporting member for the ventilation flue of the road tunnel as claimed in claim 1, wherein the connecting assembly (4) comprises a first connecting block (41) and a second connecting block (42), the first connecting block (41) is fixedly connected to one of the fixing blocks (2), the second connecting block (42) is fixedly connected to the other fixing block (2), and a fixing assembly for fixing the first connecting block (41) and the second connecting block (42) is arranged on the second connecting block (42).

3. The corrugated steel pipe support member for the ventilation flue of the road tunnel according to claim 2, wherein the fixing component comprises a threaded groove (44) formed in a second connecting block (42), a first fixing bolt (43) is inserted and connected to the first connecting block (41), and the first fixing bolt (43) is connected to the inside of the threaded groove (44) through a thread.

4. The corrugated steel pipe supporting member for the ventilating duct of the road tunnel according to claim 1, wherein the fixing block (2) is of a concave structure, a sealing gasket (7) is arranged inside the fixing block (2), and the sealing gasket (7) is in contact with the inner wall of the corrugated circular arc plate (11).

5. A road tunnel ventilation duct corrugated steel pipe supporting member as claimed in claim 4, wherein two parallel side surfaces of the fixing block (2) are fixedly connected with two threaded sleeves (5), each threaded sleeve (5) is internally connected with a second fixing bolt (6) through a thread, and one end of the second fixing bolt (6) penetrates through the fixing block (2) and abuts against the surface of the sealing gasket (7).

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