CN213980821U - Support frame for tunnel construction - Google Patents

Abstract

The utility model discloses a support frame for tunnel construction, including bracing piece and lift base, the quantity of bracing piece is two, one side fixedly connected with fixed block of upper end of the support rod, two there is the horizontal pole through bolt fixed mounting between the fixed block, the mounting hole has been seted up at the top of horizontal pole, the spout has all been seted up to the both sides of lift base inner chamber, the bottom fixedly connected with unable adjustment base of lift base surface. The utility model discloses a under the effect of mutually supporting between afterburning handle, screw thread piece, support threaded rod, stopper, lifting pedestal and spout and the backup pad, realized supporting reinforced purpose fast to the tunnel crown, the height of support can be adjusted at any time according to the height of crown, holistic reinforcement convenient operation is swift, very big saving support the tunnel crown and consolidate required time, improved the efficiency of work.

Description

Support frame for tunnel construction

Technical Field

The utility model relates to a tunnel construction technical field specifically is a support frame for tunnel construction.

Background

Along with the development of social economy and production, the expressway has a great amount, a higher standard is provided for the road construction technology, the line is required to be straight, the slope is gentle, the road surface is spacious and the like, therefore, when a road passes through a mountain area, the traditional scheme of winding around the mountain is mostly changed into a tunnel scheme, the construction of the tunnel plays an important role in the aspects of improving the technical state of a highway, shortening the running distance, improving the transport capacity, reducing accidents and the like, in recent years, tunnel engineering is more and more widely applied, a steel structure support is required to be used for reinforcing stones on the top of the inner wall of the tunnel in the tunnel construction process, to prevent that the stone from collapsing, current reinforcement support is unified length usually however, can not adjust the support bearing height at any time according to the height of roof stone, leads to supporting complex operation, seriously influences the efficiency of construction, can not satisfy people's user demand.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a support frame for tunnel construction possesses the advantage of being convenient for adjust the holding height, has solved current reinforcement support and generally is unified length, can not adjust the support holding height at any time according to the height of crown stone, leads to supporting complex operation, seriously influences the efficiency of construction, can not satisfy the problem of people's user demand.

In order to achieve the above object, the utility model provides a following technical scheme: a supporting frame for tunnel construction comprises two supporting rods and a lifting base, one side of the upper end of the supporting rod is fixedly connected with a fixed block, a cross rod is fixedly arranged between the two fixed blocks through a bolt, the top of the cross bar is provided with a mounting hole, the two sides of the inner cavity of the lifting base are both provided with sliding grooves, the bottom of the outer surface of the lifting base is fixedly connected with a fixed base, the bottom of the fixed base is fixedly arranged at the top of the mounting hole through a bolt, a thread block is arranged at the top of the lifting base, both sides of the surface of the thread block are fixedly connected with a stressing handle, the middle end of the thread block is in threaded connection with a supporting threaded rod, both sides of the lower end of the surface of the supporting threaded rod are fixedly connected with limiting blocks, and the surface swing joint of stopper one end in the surface of spout, there is the backup pad at the top of support threaded rod through activity round pin swing joint.

Preferably, the bottom of the supporting rod is fixedly connected with a mounting plate, and a through hole is formed in the surface of the mounting plate.

Preferably, all fixedly connected with second reinforcing plate around the mounting panel top, and one side fixed connection in the lower extreme on bracing piece surface of second reinforcing plate surface.

Preferably, the bottom of the fixing block is fixedly connected with a first reinforcing plate, and one side of the surface of the first reinforcing plate is fixedly connected to the upper end of the surface of the supporting rod.

Preferably, the surfaces of the support rod, the cross rod and the lifting base are coated with epoxy zinc-rich primer.

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

1. the utility model discloses a install this support frame in the tunnel inside behind the required support position, control the afterburning handle and rotate, afterburning handle is rotatory to drive the screw thread piece rotatory, the screw thread piece can drive support threaded rod and stopper upwards move along the surface of spout on the lifting base when rotatory, under the effect that the screw thread piece is constantly rotatory, make the support threaded rod constantly upwards move, the continuous rising of support threaded rod drives the backup pad upwards to move, until the backup pad closely laminates with the position that the tunnel crown needs to support, under the effect of whole cooperation, realized supporting the mesh of consolidating to the tunnel crown fast, the height of supporting can be adjusted at any time according to the height of crown, the reinforcing operation of whole is convenient and fast, greatly saved and supported the reinforcing required time to the tunnel crown, the efficiency of work is improved, it is unified length usually to have solved current reinforcement support, can not adjust the support bearing height at any time according to the height of roof stone, leads to supporting complex operation, seriously influences the efficiency of construction, can not satisfy people's user demand's problem.

2. The utility model discloses a setting of multiunit mounting hole makes things convenient for the staff to adjust the support position, satisfies the demand that the staff carries out the support to different positions, through the setting of first reinforcing plate and second reinforcing plate, has increased overall structure's intensity, through the setting of the rich zinc priming paint of epoxy, great improvement holistic corrosion resistance, improved the life of this support frame.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic sectional view of the elevating base of the present invention;

fig. 3 is a schematic view of the cross bar of the present invention.

In the figure: 1. a lifting base; 2. a fixed block; 3. a first reinforcing plate; 4. a support bar; 5. A second reinforcing plate; 6. mounting a plate; 7. a through hole; 8. a fixed base; 9. a limiting block; 10. A chute; 11. supporting the threaded rod; 12. a boost handle; 13. a thread block; 14. a support plate; 15. mounting holes; 16. a cross bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description herein, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings to facilitate the description of the patent and to simplify the description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the patent. In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Referring to fig. 1-3, a support frame for tunnel construction comprises two support rods 4 and a lifting base 1, wherein the bottom of each support rod 4 is fixedly connected with a mounting plate 6, the surface of each mounting plate 6 is provided with a through hole 7, the periphery of the top of each mounting plate 6 is fixedly connected with a second reinforcing plate 5, one side of the surface of each second reinforcing plate 5 is fixedly connected with the lower end of the surface of each support rod 4, one side of the upper end of each support rod 4 is fixedly connected with a fixing block 2, the bottom of each fixing block 2 is fixedly connected with a first reinforcing plate 3, one side of the surface of each first reinforcing plate 3 is fixedly connected with the upper end of the surface of each support rod 4, the strength of the whole structure is increased through the arrangement of the first reinforcing plates 3 and the second reinforcing plates 5, a cross rod 16 is fixedly arranged between the two fixing blocks 2 through bolts, the surfaces of the support rods 4, the cross rod 16 and the lifting base 1 are coated with epoxy zinc-rich primer, the whole corrosion resistance is greatly improved through the arrangement of the epoxy zinc-rich primer, the service life of the support frame is prolonged, the top of a cross rod 16 is provided with mounting holes 15, the support positions are convenient for workers to adjust through the arrangement of a plurality of groups of mounting holes 15, the requirements of the workers for supporting different positions are met, both sides of an inner cavity of a lifting base 1 are respectively provided with a sliding groove 10, the bottom of the outer surface of the lifting base 1 is fixedly connected with a fixed base 8, the bottom of the fixed base 8 is fixedly arranged at the top of the mounting holes 15 through bolts, a threaded block 13 is arranged at the top of the lifting base 1, both sides of the surface of the threaded block 13 are respectively and fixedly connected with a handle stressing 12, the middle end of the threaded block 13 is in threaded connection with a supporting threaded rod 11, both sides of the lower end of the surface of the supporting threaded rod 11 are respectively and fixedly connected with a limiting block 9, and the surface of one end of the limiting block 9 is movably connected to the surface of the sliding groove 10, the top of the supporting threaded rod 11 is movably connected with a supporting plate 14 through a movable pin, after the supporting frame is arranged under a required supporting position in a tunnel, the stressing handle 12 is controlled to rotate, the stressing handle 12 rotates to drive the threaded block 13 to rotate, the threaded block 13 rotates and simultaneously drives the supporting threaded rod 11 and the limiting block 9 to move upwards along the surface of the chute 10 on the lifting base 1, under the action of continuous rotation of the threaded block 13, the supporting threaded rod 11 continuously moves upwards, the supporting threaded rod 11 continuously rises to drive the supporting plate 14 to move upwards until the supporting plate 14 is tightly attached to the position, required to be supported, of the wall top of the tunnel, under the action of integral matching, the aim of quickly supporting and reinforcing the wall top of the tunnel is fulfilled, the supporting height can be adjusted at any time according to the height of the wall top, and the integral reinforcing operation is convenient and quick, the great saving supports the reinforcement required time to the tunnel crown, has improved the efficiency of work, has solved current reinforcement support and generally is unified length, can not adjust the support bearing height at any time according to the height of crown stone, leads to supporting complex operation, seriously influences the efficiency of construction, can not satisfy the problem of people's user demand.

The utility model provides an all parts are the parts that general standard spare or technical staff in the field know, its structure and principle all are this technical staff all can learn through the technical manual or learn through conventional experimental method, the standard part that uses in this application file simultaneously all can purchase from the market, each part can all be customized according to the record of description and attached drawing in this application file, the concrete joining mode of each part all adopts conventional means such as ripe bolt in the prior art, rivets, welding, machinery, part and equipment all adopt conventional model among the prior art.

When the support frame is used, the support frame is arranged right below a required supporting position in a tunnel, the stressing handle 12 is controlled to rotate, the stressing handle 12 rotates to drive the thread block 13 to rotate, the thread block 13 can drive the supporting threaded rod 11 and the limiting block 9 to move upwards along the surface of the upper chute 10 of the lifting base 1 while rotating, under the action of continuous rotation of the thread block 13, the supporting threaded rod 11 continuously moves upwards, the supporting threaded rod 11 continuously rises to drive the supporting plate 14 to move upwards until the supporting plate 14 is tightly attached to the position, required by the wall top of the tunnel, of the supporting plate 14, under the action of integral matching, the aim of quickly supporting and reinforcing the wall top of the tunnel is fulfilled, the supporting height can be adjusted at any time according to the height of the wall top, the integral reinforcing operation is convenient and quick, and the time required by supporting and reinforcing the wall top of the tunnel is greatly saved, the efficiency of work is improved, through the setting of multiunit mounting hole 15, make things convenient for the staff to adjust the support position, satisfy the staff and carry out the demand that supports to different positions, through the setting of first reinforcing plate 3 with second reinforcing plate 5, increased overall structure's intensity, through the setting of the rich zinc priming paint of epoxy, great improvement holistic corrosion resistance, improved the life of this support frame.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a support frame for tunnel construction, includes bracing piece (4) and lift base (1), its characterized in that: the number of the supporting rods (4) is two, one side of the upper end of each supporting rod (4) is fixedly connected with a fixed block (2), a cross rod (16) is fixedly arranged between the two fixed blocks (2) through bolts, a mounting hole (15) is formed in the top of the cross rod (16), sliding grooves (10) are formed in the two sides of the inner cavity of the lifting base (1), a fixed base (8) is fixedly connected to the bottom of the outer surface of the lifting base (1), the bottom of the fixed base (8) is fixedly mounted at the top of the mounting hole (15) through bolts, a threaded block (13) is placed at the top of the lifting base (1), stress application handles (12) are fixedly connected to the two sides of the surface of the threaded block (13), a supporting threaded rod (11) is in threaded connection with the middle end of the threaded block (13), and limiting blocks (9) are fixedly connected to the two sides of the lower end of the surface of the supporting threaded rod (11), and the surface of one end of the limiting block (9) is movably connected to the surface of the sliding groove (10), and the top of the supporting threaded rod (11) is movably connected with a supporting plate (14) through a movable pin.

2. The support frame for tunnel construction according to claim 1, characterized in that: the bottom fixedly connected with mounting panel (6) of bracing piece (4), through-hole (7) have been seted up on the surface of mounting panel (6).

3. The support frame for tunnel construction according to claim 2, wherein: equal fixedly connected with second reinforcing plate (5) all around at mounting panel (6) top, and one side fixed connection on second reinforcing plate (5) surface is in the lower extreme on bracing piece (4) surface.

4. The support frame for tunnel construction according to claim 1, characterized in that: the bottom fixedly connected with first reinforcing plate (3) of fixed block (2), and one side fixed connection in the upper end on bracing piece (4) surface on first reinforcing plate (3) surface.

5. The support frame for tunnel construction according to claim 1, characterized in that: the surfaces of the supporting rod (4), the cross rod (16) and the lifting base (1) are coated with epoxy zinc-rich primer.

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