CN216043787U

CN216043787U - Emergent strutting arrangement of tunnel resistance to deformation

Info

Publication number: CN216043787U
Application number: CN202122874547.2U
Authority: CN
Inventors: 周平; 习明星; 周颖
Original assignee: Jiangxi Transportation Consulting Co ltd
Current assignee: Jiangxi Transportation Consulting Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-03-15
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses an anti-deformation emergency supporting device for a tunnel, which belongs to the technical field of tunnel emergency and comprises a device main body, wherein the inner wall of the device main body is rotatably connected with two first adjusting screws through bearings, the outer surfaces of the two first adjusting screws are provided with threads in opposite directions, and one ends, close to each other, of the two first adjusting screws are fixedly connected with first conical gears. This emergent strutting arrangement of resistance to deformation in tunnel, through being provided with lifter and first arc, it is rotatory to wave the first adjusting screw that handle utilized first conical gear and second conical gear to drive both sides through the rotation, because the screw thread opposite direction of two first adjusting screw surfaces, thereby can make both sides adjusting block slide to the middle part, it rises to drive the lifter through first regulation hinge bar, the second of both sides is adjusted the hinge bar and is driven first arc through the lifter and rise, quick supports the tunnel, thereby avoid the tunnel further to damage.

Description

Emergent strutting arrangement of tunnel resistance to deformation

Technical Field

The utility model belongs to the technical field of tunnel emergency, and particularly relates to an anti-deformation emergency supporting device for a tunnel.

Background

At present, in shield tunnel engineering, deformation of surrounding soil layers or soil bodies and changes of stress fields caused by construction, extrusion, stirring, vibration and the like of construction machinery all cause stress unbalance of an existing subway tunnel structure, so that the tunnel structure generates local horizontal displacement, settlement, stretching, compression and other deformations.

And among the prior art, it is also comparatively loaded down with trivial details to the time that the urgent strutting arrangement of installation needs is longer to the fixed effect of device self is relatively poor, and then has reduced the stability of device, is not convenient for the staff to adjust to the tunnel of different height and width, has reduced the application scope of the device.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the utility model provides an anti-deformation emergency support device for a tunnel, which solves the problems that in the prior art, the time required for installing the emergency support device is long and complicated, the fixing effect of the device is poor, the stability of the device is further reduced, the tunnels with different heights and widths are inconvenient for workers to adjust, and the application range of the device is narrowed.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: an emergency supporting device for tunnel deformation resistance comprises a device main body, wherein two first adjusting screws are rotatably connected to the inner wall of the device main body through bearings, the outer surfaces of the two first adjusting screws are provided with threads in opposite directions, one ends of the two first adjusting screws, which are close to each other, are fixedly connected with first bevel gears, the lower surface of the inner wall of the device main body is rotatably connected with a second bevel gear through bearings, the bottom end of the second bevel gear is provided with a shaking handle, the outer surface of the first adjusting screw is in threaded connection with an adjusting slider, the adjusting slider is slidably connected to the inner wall of the device main body, the upper surface of the adjusting slider is rotatably connected with first adjusting hinge rods through pin shafts, the top ends of the two first adjusting hinge rods are rotatably connected with the left end and the right end of the same lifting plate through pin shafts, and the upper surface and the lower surface of the lifting plate are fixedly connected with reinforcing cylinders, the inner wall sliding connection who consolidates a section of thick bamboo has same lifter, the top of lifter and the fixed surface of first arc are connected, the surface of first arc and the last fixed surface of lifter are connected with two fixed telescopic links, the surface of first regulation hinge bar is connected with the second through the round pin hub rotation and adjusts the hinge bar, and the top of two second regulation hinge bars is connected through the round pin hub rotation with the bottom of lifter.

As a further scheme of the utility model: the upper surface sliding connection of first arc has two buffer beam, and the top of two buffer beam is connected with the external fixed surface of same second arc, the external fixed surface of first arc is connected with two baffle-boxes.

As a further scheme of the utility model: the inner wall sliding connection of baffle-box has buffering wheel pole, the left surface of baffle-box inner wall and the same elasticity telescopic link of the left end fixedly connected with of buffering wheel pole, the bottom of buffer pole is the slope form, the right-hand member of buffering wheel pole closely laminates with the bottom of buffer pole.

As a further scheme of the utility model: the lower surface of the device main part is rotatably connected with an adjusting thread cylinder through a bearing, two limiting telescopic rods are fixedly connected to the left side surface and the right side surface of the device main part, and the right ends of the two limiting telescopic rods are fixedly connected with the left side surface of the side limiting toothed plate.

As a further scheme of the utility model: the left side face of the side limiting toothed plate is fixedly connected with a second adjusting screw rod, the second adjusting screw rod is rotatably connected to the inner wall of the adjusting threaded cylinder, and the thread directions of the second adjusting screw rod are opposite to those of the second adjusting screw rod corresponding to the outer surfaces of the two first arc-shaped plates.

As a further scheme of the utility model: the bottom of device main part is provided with two end spacing pinion racks, the upper surface sliding connection of end spacing pinion rack has two spacing inserted bars.

(III) advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

1. this emergent strutting arrangement of resistance to deformation in tunnel, through being provided with first adjusting screw, adjusting block, first bevel gear, second bevel gear, lifter and first arc, it is rotatory to wave the first adjusting screw that handle utilized first bevel gear and second bevel gear to drive both sides through the rotation, because the screw thread opposite direction of two first adjusting screw surfaces, thereby can make both sides adjusting block slide to the middle part, it rises to drive the lifter through first regulation hinge bar, the second of both sides is adjusted the hinge bar and is driven first arc through the lifter and rise, quick support the tunnel, thereby avoid the tunnel further damage.

2. This emergent strutting arrangement of resistance to deformation in tunnel, through being provided with an adjusting thread section of thick bamboo, side limit pinion rack, spacing telescopic link and side limit pinion rack, thereby rotatory adjusting thread section of thick bamboo can drive the side limit pinion rack of both sides and slide to both sides because the screw opposite direction of two second adjusting screw surfaces, with the laminating of tunnel inner wall, insert ground with spacing inserted bar again to carry on spacingly to this strutting arrangement, avoid this strutting arrangement to take place to rock and empty, improve this strutting arrangement's protecting effect.

3. This emergent strutting arrangement of resistance to deformation in tunnel through being provided with buffer beam, baffle-box, buffering wheel pole and elastic telescopic rod, when the top has pressure extrusion second arc, the second arc is the gliding downwards under the buffer beam of both sides is spacing, and the buffering wheel pole that the bottom extrusion of buffer beam corresponds makes elastic telescopic rod shrink to cushion, play good guard action to whole strutting arrangement.

Drawings

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

FIG. 2 is a schematic structural view of a front cross section of the device body of the present invention;

FIG. 3 is an enlarged schematic view of FIG. 1 at A;

in the figure: the device comprises a device body 1, a first adjusting screw rod 2, an adjusting slide block 3, a first bevel gear 4, a second bevel gear 5, a first adjusting hinge rod 6, a lifting plate 7, a lifting rod 8, a first arc plate 9, a second adjusting hinge rod 10, a reinforcing cylinder 11, a second arc plate 12, a fixed telescopic rod 13, a buffer rod 14, a buffer box 15, a buffer wheel rod 16, an elastic telescopic rod 17, a threaded cylinder 18, a second adjusting screw rod 19, a limit toothed plate 20 on the side, a limit telescopic rod 21, a limit inserted link 22 and a limit toothed plate 23 on the bottom.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-3, the present invention provides a technical solution: an emergency supporting device for tunnel deformation resistance comprises a device main body 1, wherein the inner wall of the device main body 1 is rotatably connected with two first adjusting screw rods 2 through bearings, the thread directions of the outer surfaces of the two first adjusting screw rods 2 are opposite, the ends, close to each other, of the two first adjusting screw rods 2 are fixedly connected with first bevel gears 4, the lower surface of the inner wall of the device main body 1 is rotatably connected with second bevel gears 5 through bearings, the bottom ends of the second bevel gears 5 are provided with shaking handles, the outer surfaces of the first adjusting screw rods 2 are in threaded connection with adjusting sliders 3, the adjusting sliders 3 are slidably connected to the inner wall of the device main body 1, the upper surfaces of the adjusting sliders 3 are rotatably connected with first adjusting hinge rods 6 through pin shafts, the top ends of the two first adjusting hinge rods 6 are rotatably connected with the left end and the right end of a same lifting plate 7 through pin shafts, and reinforcing cylinders 11 are fixedly connected with the upper surfaces and the lower surfaces of the lifting plate 7, the inner walls of the two reinforcing cylinders 11 are connected with the same lifting rod 8 in a sliding manner, the top end of the lifting rod 8 is fixedly connected with the outer surface of the first arc-shaped plate 9, the outer surface of the first arc-shaped plate 9 is fixedly connected with the upper surface of the lifting plate 7 by two fixed telescopic rods 13, the outer surface of the first adjusting hinge rod 6 is rotatably connected with the second adjusting hinge rod 10 by a pin shaft, the top ends of the two second adjusting hinge rods 10 are rotatably connected with the bottom end of the lifting rod 8 by a pin shaft, and by arranging the first adjusting screw 2, the adjusting slide block 3, the first bevel gear 4, the second bevel gear 5, the lifting rod 8 and the first arc-shaped plate 9, the first adjusting screw 2 on two sides are driven to rotate by the first bevel gear 4 and the second bevel gear 5 through a rotary shaking handle, and because the thread directions of the outer surfaces of the two first adjusting screw 2 are opposite, the adjusting slide blocks 3 on two sides can slide towards the middle part, drive lifter plate 7 through first regulation hinge bar 6 and rise, the second of both sides is adjusted hinge bar 10 and is driven and drive first arc 9 through lifter 8 and rise, and the quick supports the tunnel to avoid the tunnel further to damage.

Specifically, as shown in fig. 2, the upper surface of the first arc-shaped plate 9 is slidably connected with two buffer rods 14, the top ends of the two buffer rods 14 are fixedly connected with the outer surface of the same second arc-shaped plate 12, the outer surface of the first arc-shaped plate 9 is fixedly connected with two buffer boxes 15, the inner wall of each buffer box 15 is slidably connected with a buffer wheel rod 16, the left side surface of the inner wall of each buffer box 15 and the left end of each buffer wheel rod 16 are fixedly connected with the same elastic telescopic rod 17, the bottom end of each buffer rod 14 is inclined, the right end of each buffer wheel rod 16 is tightly attached to the bottom end of each buffer rod 14, the lower surface of the device body 1 is rotatably connected with an adjusting threaded cylinder 18 through a bearing, the left side surface and the right side surface of the device body 1 are fixedly connected with two limiting telescopic rods 21, the right ends of the two corresponding limiting telescopic rods 21 are fixedly connected with the left side surface of the side limiting toothed plate 20, and the adjusting threaded cylinder 18 is arranged, Side limit teeth plate 20, spacing telescopic link 21 and side limit teeth plate 20, thereby rotatory regulation screw thread section of thick bamboo 18 can drive the side limit teeth plate 20 of both sides and slide to both sides owing to the screw thread opposite direction of 19 surfaces of two second adjusting screw, with the laminating of tunnel inner wall, inserts ground with spacing inserted bar 22 again to spacing is carried out to this strutting arrangement, avoids this strutting arrangement to take place to rock and empty, improves this strutting arrangement's protecting effect.

Specifically, as shown in fig. 3, the left side fixedly connected with second adjusting screw 19 of side limit pinion rack 20, second adjusting screw 19 rotates and connects the inner wall at an adjusting thread section of thick bamboo 18, the screw thread opposite direction that corresponds the surface setting of two first arcs 9, the bottom of device main part 1 is provided with two end limit pinion racks 23, the last surface sliding connection of end limit pinion rack 23 has two limit inserted bars 22, through being provided with buffer rod 14, buffer box 15, buffer wheel pole 16 and elastic telescopic rod 17, when there is pressure extrusion second arc 12 in the top, second arc 12 slides downwards at the buffer rod 14 spacing of both sides, buffer wheel pole 16 that the bottom extrusion of buffer rod 14 corresponds makes elastic telescopic rod 17 shrink, thereby cushion, play good guard action to whole strutting arrangement.

The working principle of the utility model is as follows:

s1, the screw thread direction of the outer surfaces of the two second adjusting screws 19 is opposite, so that the rotary adjusting screw cylinder 18 can drive the side limiting toothed plates 20 at two sides to slide towards two sides, the side limiting toothed plates are attached to the inner wall of the tunnel, and the limiting inserted rods 22 are inserted into the ground;

s2, the first bevel gears 4 and the second bevel gears 5 are used for driving the first adjusting screw rods 2 on the two sides to rotate through rotating the shaking handle, the thread directions of the outer surfaces of the two first adjusting screw rods 2 are opposite, so that the adjusting slide blocks 3 on the two sides can slide towards the middle part, the lifting plate 7 is driven to ascend through the first adjusting hinge rod 6, the second adjusting hinge rods 10 on the two sides are driven to drive the first arc-shaped plate 9 to ascend through the lifting rod 8, and the tunnel is rapidly supported;

s3, when the second arc-shaped plate 12 is extruded by pressure above, the second arc-shaped plate 12 slides downwards in the limiting position of the buffer rods 14 on the two sides, and the corresponding buffer wheel rod 16 is extruded by the bottom end of the buffer rod 14 to enable the elastic telescopic rod 17 to contract, so that buffering is performed.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides an emergent strutting arrangement of tunnel resistance to deformation, includes device main part (1), its characterized in that: the inner wall of the device main body (1) is rotatably connected with two first adjusting screw rods (2) through bearings, the thread directions of the outer surfaces of the two first adjusting screw rods (2) are opposite, one ends, close to each other, of the two first adjusting screw rods (2) are fixedly connected with first bevel gears (4), the lower surface of the inner wall of the device main body (1) is rotatably connected with second bevel gears (5) through bearings, the bottom end of each second bevel gear (5) is provided with a shaking handle, the outer surface of each first adjusting screw rod (2) is in threaded connection with an adjusting slider (3), the adjusting sliders (3) are in sliding connection with the inner wall of the device main body (1), the upper surfaces of the adjusting sliders (3) are rotatably connected with first adjusting hinge rods (6) through pin shafts, the top ends of the two first adjusting hinge rods (6) are rotatably connected with the left end and the right end of the same lifting plate (7) through pin shafts, the upper surface and the equal fixedly connected with of lower surface of lifter plate (7) consolidate a section of thick bamboo (11), and the inner wall sliding connection who consolidates a section of thick bamboo (11) has same lifter (8) for two, the top of lifter (8) is connected with the external fixed surface of first arc (9), the surface of first arc (9) and the last fixed surface of lifter plate (7) are connected with two fixed telescopic links (13), the surface of first regulation hinge bar (6) is connected with second regulation hinge bar (10) through the round pin hub rotation, and the top of two second regulation hinge bars (10) is connected through the round pin hub rotation with the bottom of lifter (8).

2. The emergency support device for tunnel deformation resistance of claim 1, wherein: the upper surface sliding connection of first arc (9) has two buffer bar (14), and the top of two buffer bar (14) is connected with the fixed surface of same second arc (12), the fixed surface of first arc (9) is connected with two baffle-boxes (15).

3. The emergency support device for tunnel deformation resistance of claim 2, wherein: the inner wall sliding connection of baffle-box (15) has buffering wheel pole (16), the left surface of baffle-box (15) inner wall and the left end fixedly connected with same elastic telescopic rod (17) of buffering wheel pole (16), the bottom of buffer pole (14) is the slope form, the right-hand member of buffering wheel pole (16) closely laminates with the bottom of buffer pole (14).

4. The emergency support device for tunnel deformation resistance of claim 1, wherein: the lower surface of device main part (1) rotates through the bearing and is connected with an adjusting thread section of thick bamboo (18), two spacing telescopic links (21) of the equal fixedly connected with in the left and right sides face of device main part (1), the right-hand member that corresponds two spacing telescopic links (21) and the left surface fixed connection of side limiting toothed plate (20).

5. The emergency support device for tunnel deformation resistance of claim 4, wherein: the left side face fixedly connected with second adjusting screw (19) of side spacing pinion rack (20), second adjusting screw (19) rotate to be connected at the inner wall of adjusting threaded cylinder (18), and the screw thread opposite direction that corresponds the surface setting of two first arcs (9).

6. The emergency support device for tunnel deformation resistance of claim 5, wherein: the bottom of device main part (1) is provided with two end limit toothed plate (23), the upper surface sliding connection of end limit toothed plate (23) has two limit inserted bar (22).