Adjustable tunnel escape pipeline fixing jig frame

Abstract

The utility model relates to the technical field of tunnel escape pipeline jig frames, in particular to an adjustable tunnel escape pipeline fixing jig frame which comprises a width-adjustable I-shaped support, the I-shaped support comprises two parallel transverse rods, the inner sides of the transverse rods are fixedly connected with one end of a longitudinal rod, and the other end of the longitudinal rod is fixedly connected with the transverse rod. The other ends of the two longitudinal rods are connected in a sleeved mode to form a supporting rod piece and provided with an adjusting limiting device, an escape pipeline fixing device is arranged on the supporting rod piece, and at least one set of support end fixing device is arranged on each transverse rod. The escape pipeline fixing jig frame is compact in structure, adjustable and convenient to transport.

Description

TECHNICAL FIELD

[0001] The utility model relates to tunnel escape pipeline cradle technical field, concretely relates to adjustable tunnel escape pipeline fixed cradle. BACKGROUND

[0002] With the rapid development of tunnel engineering, tunnel construction safety problem also is paid more and more attention. Tunnel as underground engineering, in the construction process, faces multiple risks, such as collapse, fire, gas leakage etc., therefore, construction site must be equipped with perfect emergency rescue measures, to guarantee the life safety of operating personnel. In order to respond to emergency, tunnel construction usually will set escape passage, and tunnel escape pipeline is one of important safety facilities.

[0003] Tunnel escape pipeline is a device for emergency, construction personnel can evacuate construction site quickly. The pipeline is usually made of high-strength, corrosion-resistant material, can keep structural stability under extreme environment, provides safe passage for construction personnel. The setting of escape pipeline can effectively shorten the rescue time, improve the survival rate of personnel.

[0004] The production and installation of traditional cradle often need a lot of manual and time, and the on-site welding and debugging process is complicated, which affects the overall construction progress. At the same time, due to the different tunnel structures, the design of traditional cradle is difficult to adapt to different tunnel sections, and often needs customized production, which increases the design and manufacturing cost. SUMMARY

[0005] The utility model aims at providing a kind of adjustable tunnel escape pipeline fixed cradle, which is compact in structure, adjustable and convenient to transport.

[0006] The technical scheme of the utility model is as follows: a kind of adjustable tunnel escape pipeline fixed cradle, including the adjustable width H-shaped support, the H-shaped support includes two parallel cross bars, the inner side of the cross bar is fixedly connected with the one end of a longitudinal rod, the other end of two longitudinal rods is sleeved to form a support rod and is provided with an adjusting limiting device, escape pipeline fixing device is arranged on the support rod, at least one set of support end fixing device is arranged on the cross bar.

[0007] Further, the adjusting limiting device includes a waist-shaped hole provided on the other end of the longitudinal rod, and a locking bolt is arranged between the waist-shaped holes of the two longitudinal rods.

[0008] Further, the escape pipeline fixing device includes two arc-shaped rods, one end of the arc-shaped rod is respectively connected with the corresponding longitudinal rod, the other end of the arc-shaped rod is connected with a fixing plate, the fixing plate is provided with a bolt hole and connected with the fixing plate of the other arc-shaped rod by a bolt.

[0009] Further, one end of the arc-shaped rod is welded with a steel plate, the steel plate is fixed on the longitudinal rod through bolts or welding, and the connecting position of the steel plate and the longitudinal rod is close to the horizontal rod.

[0010] Further, the fixing plate is welded with the other end of the arc-shaped rod, and a pair of bolt holes are arranged on the fixing plate.

[0011] Further, the bracket end fixing device comprises a U-shaped hoop, both ends of the U-shaped hoop are welded with a connecting plate, and four bolt holes for penetrating anchor bolts are arranged on the connecting plate.

[0012] Further, the I-shaped bracket is provided with at least two groups.

[0013] Further, the horizontal rod and the longitudinal rod are square steels.

[0014] Compared with the prior art, the utility model has the following advantages:

[0015] 1. The escape pipeline fixing jig has high safety factor, less steel material usage, convenient material selection, low cost, reduces labor, material and mechanical equipment investment, solves the problems of poor flexibility, complex installation and high manufacturing cost of the traditional jig.

[0016] 2. The escape pipeline fixing jig is convenient to install and transport, has an assembly type structure, is simple to manufacture, convenient to disassemble, stable and safe in overall structure, meets the needs of different tunnel sections, and improves construction efficiency and safety. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is a structure schematic view of the escape pipeline fixing jig of the utility model;

[0018] Fig. 2 is a layout schematic view of the escape pipeline fixing jig of the utility model;

[0019] Fig. 3 is a schematic view of the adjustable limiting device of the utility model;

[0020] In the drawing: 1, horizontal rod; 2, longitudinal rod; 3, adjusting limiting device; 4, escape pipeline; 5, connecting plate; 6, U-shaped hoop; 7, fixing plate; 8, arc-shaped rod; 9, connecting plate; 10, bolt. DETAILED DESCRIPTION

[0021] In order to make the above features and advantages of the utility model more obvious and easy to understand, the following embodiments are taken as examples, and the detailed description is made as follows with reference to the drawings, but the utility model is not limited to this.

[0022] REFERENCE Figs. 1 to 3

[0023] The adjustable tunnel escape pipeline fixing jig comprises a width-adjustable H-shaped support, the H-shaped support comprises two parallel transverse rods 1, the inner side of each transverse rod is fixedly connected with one end of a longitudinal rod 2, the other end of the two longitudinal rods is sleeved to form a support rod of the escape pipeline, an adjusting and limiting device 3 is arranged on the support rod, an escape pipeline fixing device for fixing the escape pipeline is arranged on the support rod, and at least one set of support end fixing device is arranged on each transverse rod to be anchored at the constructed inverted arch and the constructed working face section.

[0024] In the embodiment, the adjusting and limiting device comprises a waist-shaped hole 31 arranged on the other end of the longitudinal rod, a locking bolt 32 is arranged between the waist-shaped holes of the two longitudinal rods, and the locking bolt plays a limiting and adjusting role, so that after the length of the support rod is adjusted according to the diameter of the escape pipeline, the locking bolt and the nut are locked.

[0025] In the embodiment, the escape pipeline fixing device comprises two arc-shaped rods or arc-shaped plates 8, one end of each arc-shaped rod is fixedly connected with a corresponding longitudinal rod, the other end of each arc-shaped rod is connected with a fixing plate 9, the fixing plate has a bolt hole and is connected with the fixing plate of the other arc-shaped rod through a bolt 10, and the two arc-shaped rods are closed.

[0026] In the embodiment, in order to realize the connection between the arc-shaped rod and the longitudinal rod, a steel plate 7 is welded at one end of the arc-shaped rod, the steel plate is welded on the longitudinal rod or a reserved space is provided on the steel plate and the longitudinal rod is connected through a bolt, so as to realize the detachable and reusable function; the connection position of the steel plate and the longitudinal rod is close to the transverse rod.

[0027] In the embodiment, the other end of the arc-shaped rod is welded with the fixing plate, a pair of bolt holes are arranged on the fixing plate, and the two fixing plates are connected into one through a pair of bolts. The fixing plate can be a steel plate.

[0028] In the embodiment, the support end fixing device comprises a U-shaped hoop 6, a connecting plate 5 is welded at both ends of the U-shaped hoop, four bolt holes for penetrating an anchoring bolt are arranged on the connecting plate, and the U-shaped hoop is anchored at the constructed inverted arch and the constructed working face section.

[0029] In the embodiment, the H-shaped support is provided with at least two sets, and at most four sets of support end fixing devices are provided. The escape pipeline 4 is erected on the two sets of H-shaped supports and is fixed through the escape pipeline fixing device, the adjusting and limiting device is adjusted according to the size of the escape pipeline, and the bolt 10 is tightened. The number of sets of the jig can be adjusted according to the length of the escape pipeline.

[0030] In the embodiment, the transverse rod and the longitudinal rod are square steel.

[0031] If the utility model discloses or involves mutually fixed connecting parts or structural members, then, except for another declaration, fixed connection can be understood as: detachably fixed connection (for example, using bolt or screw connection), and also can be understood as: non-detachable fixed connection (for example, riveting, welding), of course, mutual fixed connection can also be replaced by integral structure (for example, integrally formed by using casting process) (except for obviously unable to use integral forming process).

[0032] In addition, the terms used for indicating the position relationship or shape in any of the technical solutions disclosed by the utility model above include the state or shape similar, analogous or close to it, except for another declaration.

[0033] Any component provided by the utility model can be assembled from multiple individual components, or can be an individual component manufactured by integral forming process.

[0034] The above is only the preferred embodiment of the utility model, and any change and modification made within the scope of the utility model patent application should be included in the scope of the utility model.

Claims

1. An adjustable tunnel escape tube fixing jig comprising a width-adjustable H-shaped support, characterized in that, The I-shaped support comprises two parallel cross bars, the inner side of each cross bar is fixedly connected with one end of a longitudinal bar, the other end of the two longitudinal bars is sleeved to form a support rod and is provided with an adjusting limiting device, an escape pipeline fixing device is arranged on the support rod, and at least one set of support end fixing device is arranged on the cross bar.

2. An adjustable tunnel escape tube fixing jig according to claim 1, wherein The adjusting limiting device comprises a waist-shaped hole arranged on the other end of the longitudinal bar, and a locking bolt is arranged between the waist-shaped holes of the two longitudinal bars.

3. An adjustable tunnel escape duct fixing jig according to claim 1 or 2, wherein The escape pipeline fixing device comprises two arc-shaped rods, one end of each arc-shaped rod is fixedly connected with a corresponding longitudinal bar, the other end of each arc-shaped rod is connected with a fixing plate, the fixing plate is provided with a bolt hole and is connected with the fixing plate of the other arc-shaped rod through a bolt.

4. An adjustable tunnel escape tube fixing jig according to claim 3, wherein One end of the arc-shaped rod is welded with a steel plate, the steel plate is fixedly connected with or welded on the longitudinal bar, and the connection position of the steel plate and the longitudinal bar is close to the cross bar.

5. An adjustable tunnel escape tube fixing jig according to claim 3, wherein The other end of the fixing plate is welded with the arc-shaped rod, and the fixing plate is provided with a pair of bolt holes.

6. An adjustable tunnel escape tube fixing jig according to claim 1, 2, 4 or 5, wherein The support end fixing device comprises a U-shaped hoop, two ends of the U-shaped hoop are welded with connecting plates, and the connecting plates are provided with four bolt holes for penetrating anchor bolts.

7. An adjustable tunnel escape tube fixture frame according to claim 1, wherein The I-shaped support is provided with at least two sets.

8. An adjustable tunnel escape tube fixing jig according to claim 1 or 7, wherein The cross bar and the longitudinal bar are square steel.

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