CN213116366U - Tunnel excavation temporary support device - Google Patents

Abstract

The utility model discloses a tunnelling temporary support device relates to roadway support equipment technical field. The utility model discloses a strut the mother board, the cross-section of strutting the mother board is the polygonized structure at laminating tunnel top, the both sides fixed mounting who struts the mother board bottom has a plurality of to be used for carrying out the supporting legs that supports to strutting the mother board, it evenly sets up a plurality of screw holes and every to strut to be array distribution on the mother board equal threaded connection in the screw hole has a fender pole. The utility model discloses a mother board is strutted in the design makes its construction surface at roughly laminating tunnel top for polygonized structure, will prop up the setting of pole screw thread on strutting the mother board, after the workman roughly fixes the position of strutting the mother board through the supporting legs, rotatory pole and make its one end conflict at the top surface in tunnel, guaranteed the security that equipment is good via the effect of strutting the mother board when having realized simply strutting the tunnel, more be favorable to the normal clear of the inside tunnelling work in tunnel.

Description

Tunnel excavation temporary support device

Technical Field

The utility model relates to a roadway support equipment technical field, concretely relates to tunnelling temporary support device.

Background

In the process of coal mining by coal miners, a roadway serving as an important transportation passage needs to be maintained in the form of the roadway by adopting a roadway supporting device with a stable structure, and because the roadway needs to be carefully and meticulously worked when being supported, in order to avoid the collapse of the roadway when being tunneled, the roadway is usually tunneled and reinforced and simultaneously constructed, the tunneling speed is greatly influenced, the construction is not facilitated, the construction progress is usually too influenced by the conventional support of the roadway, a simple support rod is usually adopted for supporting, however, the support rod fixed in the mode is very unstable, and the safety is lower.

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 tunnelling temporary support device.

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

the utility model provides a tunnelling temporary support device, is including strutting the mother board, the cross-section of strutting the mother board is the polygonized structure at laminating tunnel top, the both sides fixed mounting who struts the mother board bottom has a plurality of to be used for strutting the supporting legs that the mother board supported, it evenly sets up a plurality of screw holes and every to strut to be array distribution on the mother board equal threaded connection in the screw hole has a bracing piece.

Further, a plane supporting plate for preventing the equipment from inclining is fixedly installed at the bottom of the supporting leg.

Further, still include supplementary strutting arrangement, the supporting legs includes the outer tube of fixed mounting at plane backup pad top, the inside slip of outer tube is provided with the top and struts mother board bottom fixed connection's regulation pole, fixed mounting has the supporting seat that can carry out the removal in the opening of seting up on the outer tube pipe wall on the regulation pole, supplementary strutting arrangement acts on the supporting seat and guarantees to adjust the fixed of pole position height.

Further, supplementary strutting arrangement includes the branch with the supporting seat looks articulated, the one end that supporting seat was kept away from to branch articulates there is the fixed plate, set up a plurality of straight hole and every straight downthehole equal nail of having seted up on the fixed plate and be equipped with the fastening nail of inserting on the tunnel earth's surface.

Further, still include that a plurality of is the top strengthening frame of equidistant array distribution, the inboard fixed mounting who struts the mother board has a plurality of to supply the stiffening tube that a plurality of bracing poles of the same array direction run through, every top strengthening frame all with a plurality of stiffening tube fixed connection.

Furthermore, the one end of strutting the pole and strutting the mother board outside rotates and is provided with the extension foot, the extension foot facing is equipped with the cystosepiment that is used for contacting with the tunnel wall, the other end fixed mounting of strutting the pole has the swivel mount.

The utility model has the advantages as follows: the utility model discloses a mother board is strutted in the design makes its construction surface at roughly laminating tunnel top for polygonized structure, will prop up the setting of pole screw thread on strutting the mother board, after the workman roughly fixes the position of strutting the mother board through the supporting legs, rotatory pole and make its one end conflict at the top surface in tunnel, the realization is to the supporting role at tunnel top, the effect of strutting the mother board has guaranteed the security that equipment is good via strutting when having realized simply strutting the tunnel, more be favorable to the normal clear of the inside tunnelling work in tunnel.

Drawings

FIG. 1 is a perspective view of the present invention;

fig. 2 is a front view of the structure of the present invention;

fig. 3 is a three-dimensional bottom view of the structure of the utility model;

FIG. 4 is an enlarged view of the structure A of FIG. 3 according to the present invention;

reference numerals: 1. supporting legs; 101. an outer sleeve; 102. adjusting a rod; 103. a supporting seat; 2. supporting the mother board; 3. a planar support plate; 4. a support bar; 5. an auxiliary support device; 501. a strut; 502. a fixing plate; 503. fastening nails; 6. an extension leg; 7. a top reinforcing frame; 8. a reinforcement tube; 9. and (4) transposition is carried out.

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. 1-4, a roadway driving temporary support device comprises a support mother board 2, the cross section of the support mother board 2 is of a polygonal structure attached to the top of a roadway, a plurality of support legs 1 used for supporting the support mother board 2 are fixedly mounted on two sides of the bottom of the support mother board 2, a plurality of threaded holes are uniformly formed in the support mother board 2 in an array distribution mode, and a support rod 4 is connected in each threaded hole in a threaded manner.

In the embodiment, considering that the use of simple rod-shaped support may cause the falling of broken stones in a roadway and the support effect of partial areas on the broken stones, the roadway top is shielded by arranging the support mother plate 2 in the scheme, and then the support rod 4 capable of penetrating the support mother plate 2 is arranged on the support mother plate 2, because the support rod 4 is in threaded connection with the support mother plate 2, the support rod 4 can adapt to different support lengths according to different depth distances of the roadway during tunneling, and the support rod 4 at the corresponding position is screwed when the area part is required to be supported, so that the good support safety is ensured.

Specifically, a plane support plate 3 for preventing the equipment from inclining is fixedly installed at the bottom of the support foot 1.

In the embodiment, in order to prevent the overweight of the equipment from causing the overlarge pressure of the supporting legs 1 and prevent the insufficient intensity of the equipment, the plane supporting plate 3 is fixedly installed at the bottom of the supporting legs 1 and used for reducing the pressure born by the bottom of the supporting legs 1, and in addition, the plane supporting plate 3 can ensure that the equipment is in a vertical state when being installed, so that the installation operation is more facilitated.

Specifically, the supporting leg comprises an auxiliary supporting device 5, the supporting leg 1 comprises an outer sleeve 101 fixedly mounted at the top of the plane supporting plate 3, an adjusting rod 102 fixedly connected with the top of the supporting mother plate 2 is arranged inside the outer sleeve 101 in a sliding mode, a supporting seat 103 capable of moving in an opening formed in the pipe wall of the outer sleeve 101 is fixedly mounted on the adjusting rod 102, and the auxiliary supporting device 5 acts on the supporting seat 103 and guarantees the position height of the adjusting rod 102 to be fixed.

In this embodiment, when the drift distance generated during the excavation of the roadway is too large, the supporting motherboard 2 may not be accurately attached to the top surface of the roadway, at this time, in order to enable the supporting rod 4 to normally act on the top surface of the roadway, the supporting foot 1 is provided with an outer sleeve 101 capable of being slidably adjusted and an adjusting rod 102 sliding in the outer sleeve 101, and the auxiliary supporting device 5 is used for ensuring the relative height position of the adjusting rod 102.

Specifically, the auxiliary supporting device 5 includes a supporting rod 501 hinged to the supporting seat 103, one end of the supporting rod 501, which is far away from the supporting seat 103, is hinged to a fixing plate 502, and a plurality of straight holes are formed in the fixing plate 502, and fastening nails 503 inserted into the ground surface of the roadway are nailed in each straight hole.

In this embodiment, the structural composition and the installation manner of the auxiliary supporting device 5 are specifically refined, and the specific details are as above, after the position of the supporting mother board 2 is determined by other devices, the adjusting rod 102 fixed on the supporting mother board 2 and the outer sleeve 101 are separated by a distance, at this time, the supporting rod 501 hinged to the supporting seat 103 on the adjusting rod 102 rotates, the supporting rod 501 drives the fixing plate 502 to move in a dragging manner, the fixing plate 502 is fixed on the ground by the fastening nail 503 after the fixing plate 502 moves to the fixed position, the fixing plate 502 locks the angle of the supporting rod 501 relative to the ground after being fixed, and thus the supporting effect on the adjusting rod 102 is achieved.

Specifically, still include a plurality of top strengthening frame 7 that is equidistant array distribution, strut the inboard fixed mounting of mother board 2 and have a plurality of to supply the stiffening tube 8 that a plurality of support poles 4 of the same array direction run through, every top strengthening frame 7 all with a plurality of stiffening tube 8 fixed connection.

In this embodiment, in order to prevent the deformation of the supporting mother board 2 after being pressed, the top reinforcing frame 7 is arranged to act on the reinforcing pipe 8 fixedly mounted with the supporting mother board 2, so that the supporting mother board 2 can accurately balance the pressure on the top reinforcing frame 7 when being pressed, and the better strength and safety of the equipment are ensured.

Specifically, the supporting rod 4 is provided with an extension foot 6 towards one end of the supporting mother board 2, the extension foot 6 is provided with a foam board attached to the upper portion and used for contacting with the wall surface of the roadway, and a rotary seat 9 is fixedly mounted at the other end of the supporting rod 4.

In the embodiment, the connecting structure of the support rod 4 is refined, in order to enlarge the action area of the support rod 4 and increase the stress area of the support rod through the action of the extension foot 6, it should be noted that in order to ensure that the extension foot 6 can accurately match the shape of the wall surface of the roadway, the extension foot 6 is arranged to rotate at one end of the support rod 4 (which can be realized through a universal joint or other structures), and the expansion foot 6 can avoid a small part of the wall surface to be protruded under the certain elastic action of the foam board so as to better match the roadway; here, a rotating rod is inserted into the rotating base 9, which is more favorable for driving the support rod 4 to rotate.

Claims (6)

1. The utility model provides a roadway driving temporary support device, its characterized in that, is including strutting mother board (2), the cross-section of strutting mother board (2) is the polygonized structure at laminating tunnel top, the both sides fixed mounting who struts mother board (2) bottom has a plurality of to be used for carrying out supporting legs (1) that support strutting mother board (2), it evenly has seted up a plurality of screw holes and every to strut on mother board (2) to be array distribution equal threaded connection in the screw hole has a fender rod (4).

2. A temporary support device for tunnel boring according to claim 1, wherein a planar support plate (3) for preventing the equipment from inclining is fixedly installed at the bottom of the support leg (1).

3. The temporary support device for roadway driving according to claim 1, further comprising an auxiliary support device (5), wherein the support foot (1) comprises an outer sleeve (101) fixedly installed at the top of the plane support plate (3), an adjusting rod (102) fixedly connected with the top of the support mother plate (2) is slidably arranged inside the outer sleeve (101), a support seat (103) capable of moving in an opening formed in the pipe wall of the outer sleeve (101) is fixedly installed on the adjusting rod (102), and the auxiliary support device (5) acts on the support seat (103) and ensures that the position height of the adjusting rod (102) is fixed.

4. The temporary support device for the tunneling according to claim 3, wherein the auxiliary support device (5) comprises a supporting rod (501) hinged to the supporting seat (103), a fixing plate (502) is hinged to one end, away from the supporting seat (103), of the supporting rod (501), a plurality of straight holes are formed in the fixing plate (502), and fastening nails (503) inserted into the ground surface of the tunnel are nailed in each straight hole.

5. The temporary support device for roadway driving according to claim 3, further comprising a plurality of top reinforcing frames (7) distributed in an equidistant array, wherein a plurality of reinforcing tubes (8) for a plurality of support rods (4) in the same array direction to penetrate through are fixedly installed on the inner side of the support mother board (2), and each top reinforcing frame (7) is fixedly connected with the plurality of reinforcing tubes (8).

6. The temporary support device for roadway driving according to claim 1, wherein one end of the support rod (4) facing the outside of the support mother board (2) is rotatably provided with an expansion foot (6), a foam board used for contacting with the wall surface of the roadway is attached to the expansion foot (6), and a rotary seat (9) is fixedly installed at the other end of the support rod (4).

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