Temporary support shed frame for tunnel construction

Abstract

A temporary supporting shed frame for tunnel construction comprises a main supporting body, a supporting net and side edge supporting bodies, the main supporting body comprises a bottom plate, a main supporting rod piece is arranged on the bottom plate, the main supporting rod piece is a rod piece of a telescopic structure, and an assembling transverse shaft is arranged at the end of the main supporting rod piece; a supporting net is rotationally arranged on the assembling transverse shaft; a side supporting body is hinged to the bottom face of the outer edge of the supporting net, the side supporting body is a rod piece of a telescopic structure, and the upper end of the side supporting body is hinged to the bottom face of the outer edge of the supporting net. The tunnel temporary supporting device overcomes the defects that in the prior art, tunnel temporary supporting equipment is difficult to assemble on site, large in occupied manpower, long in consumed time and inconvenient to recycle; the supporting frame suitable for the tunnel environment is fast to mount and convenient to recycle. And particularly, the orientation height of the equipment supporting net and the supporting body part is adjustable, independent supporting can be achieved, combined supporting can be formed by multiple pieces of equipment, and the applicability is wider.

Description

TECHNICAL FIELD

[0001] The utility model relates to a supporting equipment field especially relates to a tunnel construction temporary support shed frame. BACKGROUND

[0002] Tunnel construction usually carries out excavation in the mode such as drilling, blasting, needs anchoring operation after excavation to reinforce surrounding rock. Between the above construction steps, that is, after excavation, before anchoring, in order to ensure the safety of anchoring construction, temporary support frame needs to be put into the tunnel to ensure that the staff are not threatened by dangerous factors such as falling stones and roof collapse.

[0003] The support shed frame in the prior art has certain drawbacks, on the one hand, the pre-assembled shed frame is inconvenient to put into the tunnel, on the other hand, the most commonly used type steel and steel pipe combined shed frame in the prior art needs to be assembled and connected on site, the assembly process is complicated, a large amount of manpower and time is needed for assembly and disassembly, especially the limited construction area in the tunnel further increases the difficulty of construction assembly and recovery and removal, and there is a problem of high construction risk. In view of the above situation, there is still a lack of corresponding solutions. UTILITY MODEL CONTENTS

[0004] The utility model aims at overcoming the deficiencies of the prior art, and provides a tunnel construction temporary support shed frame which has simple structure, rapid on-site assembly and convenient recovery.

[0005] The equipment comprises a main support body, a supporting net and a side edge support body;

[0006] The main support body comprises a bottom plate, a main support rod is arranged on the bottom plate, the main support rod is a telescopic structure rod, and an assembly horizontal shaft is arranged at the end of the main support rod;

[0007] A supporting net is rotatably arranged on the assembly horizontal shaft;

[0008] A side edge support body is hingedly arranged at the bottom surface of the outer edge of the supporting net, the side edge support body comprises a side support rod, the side support rod is a telescopic structure rod, the upper end of the side support rod is hingedly arranged at the bottom surface of the outer edge of the supporting net, and a column foot is arranged at the bottom of the side support rod.

[0009] The effect achieved is that the supporting net can be flexibly adjusted in the angle of upward unfolding based on the rotating form, and the effect of best fitting the tunnel top surface is achieved; the main support body and the side edge support body are both telescopic rod structures, the upward and downward movement of the supporting net part or the whole equipment can be realized through the telescopic movement, and the effects of facilitating assembly and recovery are achieved.

[0010] The utility model discloses beneficial effect is: the utility model solves the difficulty of on -the -spot assembly of tunnel temporary support equipment in the prior art, occupies the manpower big, and the time is long and the recovery is inconvenient disadvantage, realizes the support frame fast -assembled suitable for tunnel environment, and recovery is convenient. Especially equipment support net and support body part towards height -adjustable, can independently support use also can form joint support with more equipment, and the applicability is more extensive. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a kind of tunnel construction temporary support shed frame structure schematic diagram described in the utility model;

[0012] Figure 2 It is a kind of tunnel construction temporary support shed frame based on Figure 1 directional plan view;

[0013] Figure 3 It is the assembly structure schematic diagram of a kind of tunnel construction temporary support shed frame described in the utility model;

[0014] Figure 4 It is the implementation mode schematic diagram of a kind of tunnel construction temporary support shed frame described in the utility model;

[0015] Reference signs:

[0016] 1-column support body 11-assembly horizontal shaft 2-support net 21-rotating sleeve 22-assembly sleeve 3-side edge support body 31-assembly base 4-lifting ring 5-self-locking universal wheel

[0017] The utility model purposes realization, functional characteristics and advantages will be further explained with reference to the drawings in conjunction with embodiment. DETAILED DESCRIPTION

[0018] With reference to Figure 1 、 Figure 2 , a kind of tunnel construction temporary support shed frame described in the utility model, including main support body, support net 2 and side edge support body 3;

[0019] The main support body includes bottom plate, and main support rod piece is provided on the bottom plate, and the main support rod piece is telescopic structure rod piece, and assembly horizontal shaft 11 is provided at its end head;

[0020] Support net 2 is rotationally arranged on the assembly horizontal shaft 11;

[0021] The bottom surface of the outer edge of support net 2 is hingedly provided with side edge support body 3, and the side edge support body 3 includes side support rod piece, and the side support rod piece is telescopic structure rod piece, and its upper end head is hingedly provided on the bottom surface of the outer edge of support net 2, and its bottom is provided with column foot.

[0022] The effect achieved thereby is that the support net 2 can flexibly adjust the angle of upward unfolding based on its rotation form, and thereby achieve the effect of best fitting the tunnel top surface; the main support body and the side support body 3 are both telescopic rod structures, and the upward and downward movement of the support net 2 or the whole device can be achieved by the telescoping thereof, and thereby the effect of facilitating assembly and recycling is achieved.

[0023] In embodiment 1, the side support body 3 is provided on one side or on both sides.

[0024] The effect achieved thereby is that the angle of the support net 2 is flexibly adjustable, and the device can be provided with more support forms.

[0025] Further, the support net 2 comprises an outer skeleton, and the outer skeleton is a rectangular frame structure, and a metal net is arranged in the outer skeleton.

[0026] One side of the support net 2 is provided with a rotating sleeve 21, the rotating sleeve 21 is sleeved on the assembly horizontal shaft 11, and thereby the rotating connection of the support net 2 based on the assembly horizontal shaft 11 is achieved.

[0027] Limiting plugs are further respectively screwed on both ends of the assembly horizontal shaft 11, and thereby the support net 2 is prevented from being separated from the device, and the effect of facilitating assembly is achieved.

[0028] In embodiment 2, the main support rod and the side support rod are single hydraulic props, and the main support rod and the side support rod are provided in multiple length specifications.

[0029] The effect achieved thereby is that the device can be quickly adjusted. Meanwhile, referring to the drawings Figure 4 The main support rod and the side support rod in multiple specifications can be flexibly applied to tunnels with large and small cross sections, that is, the device can be centrally arranged as a support member, or a plurality of devices can be arrayed and combined along the cross section of the tunnel to form a linked support that cooperates with each other.

[0030] In embodiment 3, referring to the drawings Figure 3 The main support rod and the side support rod are pipe-in-pipe structures, comprising a core barrel and a telescopic piston.

[0031] A lifting ring 4 is integrally arranged on the telescopic piston, and a positioning pin shaft is arranged between the core barrel and the telescopic piston.

[0032] The effect achieved thereby is that the lifting ring 4 serves as a pressing base member, and in use, the telescopic piston part is lifted by the single hydraulic prop device from below, that is, the height of the main support rod and the side support rod is adjusted. That is, the metal member is used to replace the hydraulic member, and the effect of reducing the cost of the device is achieved.

[0033] Embodiment 4, refer to the description of the drawings Figure 3 The bottom surface of the outer edge of the support net 2 is hingedly provided with a fitting sleeve 22, and the end of the side support body 3 is correspondingly provided with a fitting base 31, the fitting base 31 is pull-inserted with the fitting sleeve 22, and a pin shaft is arranged between the fitting sleeve 22 and the fitting base 31.

[0034] The effect achieved is that the device can enter the tunnel by the connection body of the main support body and the support net 2 in use, and the side support body 3 is assembled in the tunnel. The effect of convenient entry and on-site assembly and flexible splitting is achieved.

[0035] Further, the bottom plate and the column foot are respectively provided with self-locking universal wheels 5.

[0036] The effect achieved is that the device can enter the tunnel by the connection body of the main support body and the support net 2 in use, and the side support body 3 is assembled in the tunnel. The effect of convenient entry and on-site assembly and flexible splitting is achieved.

[0037] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic features of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting and the claims.

[0038] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be properly combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A temporary support shed frame for tunnel construction, comprising a main support body, a support net and a side support body, characterized in that: The main support body comprises a bottom plate, a main support rod is arranged on the bottom plate, the main support rod is a telescopic structure rod, and an assembly cross shaft is arranged at the end of the main support rod; A support net is arranged on the assembly cross shaft and rotates on the assembly cross shaft; A side support body is hingedly arranged on the bottom surface of the outer edge of the support net, the side support body comprises a side support rod, the side support rod is a telescopic structure rod, the upper end of the side support rod is hingedly arranged on the bottom surface of the outer edge of the support net, and a column foot is arranged at the bottom of the side support rod.

2. The temporary support shed frame for tunnel construction of claim 1, wherein, The side support body is arranged on one side or both sides.

3. The temporary support shed frame for tunnel construction of claim 1, wherein, The support net comprises an outer skeleton, the outer skeleton is a rectangular frame structure, and a metal net is arranged in the outer skeleton; A rotating sleeve is arranged on one side of the support net, the rotating sleeve is sleeved on the assembly cross shaft, and the rotating sleeve is connected to the assembly cross shaft in a rotating mode; Limiting plugs are respectively screwed on both ends of the assembly cross shaft.

4. The temporary support shed frame for tunnel construction of claim 1, wherein, The main support rod and the side support rod are single hydraulic props, and the main support rod and the side support rod are provided in multiple length specifications.

5. The temporary support shed frame for tunnel construction of claim 1, wherein, The main support rod and the side support rod are pipe-in-pipe structures, and the pipe-in-pipe structures comprise a core barrel and a telescopic piston; A lifting ring is integrally arranged on the telescopic piston, and a positioning pin shaft is arranged between the core barrel and the telescopic piston.

6. The temporary support shed frame for tunnel construction of claim 1, wherein A mounting sleeve is hingedly arranged on the bottom surface of the outer edge of the support net, a mounting base is arranged on the end of the side support body and corresponds to the mounting sleeve, the mounting base and the mounting sleeve are arranged in a pull-insert mode, and a pin shaft is arranged between the mounting sleeve and the mounting base.

7. The temporary support shed frame for tunnel construction of claim 6, wherein, Self-locking universal wheels are arranged on the bottom plate and the bottom surface of the column foot.

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