CN220101300U - Temporary support device for tunneling - Google Patents

Abstract

The utility model relates to the technical field of tunneling temporary support, in particular to a tunneling temporary support device, which comprises a top plate and a supporting plate, wherein the supporting plate is arranged on the inner side of the top plate, a rotating shaft is rotatably connected on the inner side of the top plate, a bevel gear is fixedly connected on the outer side of the rotating shaft, a bevel worm is connected on the outer side of the bevel worm in a meshed manner, a fixed plate is rotatably connected on the outer side of the bevel worm, one end of the bevel worm is fixedly connected with a threaded rod, a threaded block is spirally connected on the outer side of the threaded rod, the outer side of the threaded block is fixedly connected with the supporting plate, a telescopic rod is slidingly connected on the inner side of the supporting plate, and a top block is fixedly connected on the outer side of the telescopic rod.

Description

Temporary support device for tunneling

Technical Field

The utility model relates to the technical field of tunneling temporary support, in particular to a tunneling temporary support device.

Background

Temporary support is a temporary support for maintaining a tunnel and a coal mine safety and working space, which are erected before a permanent support is erected on a tunneling working face in the construction of a tunnel coal mine, and in the tunneling process of the coal mine tunnel, the operation of a hollow roof is strictly forbidden, so that the life safety of workers is ensured, and the temporary support is required to be carried out in the scope of the hollow roof.

At present, the width of the tunneling temporary support device on the market cannot be changed, mine holes with different widths cannot be protected, the side edges of the mine holes are easy to be cracked when tunneling, and due to the fact that the width of the support device is narrow, the side edges of the support device are easy to fall off, personnel injury and machine damage are caused, and therefore the tunneling temporary support device is provided for the problems.

Disclosure of Invention

The utility model aims to provide a tunneling temporary support device so as to solve the problem that the lateral end protection range is insufficient when a ledge occurs in tunneling temporary support.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a tunneling temporary support device, includes roof and backup pad, roof outside fixedly connected with telescopic column, the roof inboard is provided with the backup pad, the roof inboard rotates and is connected with the pivot, the inside bull stick that is provided with of pivot, bull stick outside fixedly connected with antiskid cover, pivot outside fixedly connected with awl worm wheel, awl worm wheel outside meshing is connected with awl worm, the awl worm outside rotates and is connected with the fixed plate, awl worm one end fixedly connected with threaded rod, threaded rod outside screwed connection has the screw thread piece, screw thread piece outside and backup pad fixed connection, the inboard sliding connection of backup pad has the telescopic link, telescopic link and the inboard fixedly connected with of roof, telescopic link outside fixedly connected with kicking block, backup pad outside hinged joint has the connecting rod, connecting rod other end hinged joint has the expansion plate.

Preferably, the telescopic link, kicking block and flexible post are provided with 4, telescopic link, kicking block and flexible post evenly distributed are in four extreme points departments of roof.

Preferably, the threaded rod, the thread block, the supporting plate and the expansion plate are arranged in number of 2, and the threaded rod, the thread block, the supporting plate and the expansion plate are uniformly distributed on the left side and the right side of the top plate.

Preferably, the connecting rods are 4, and the connecting rods are uniformly distributed on two sides of the two supporting plates.

Preferably, the square protruding block of the rotating rod is arranged in the groove of the rotating shaft, and the shape of the groove of the rotating shaft is the same as that of the square protruding block of the rotating rod.

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

according to the utility model, through the threaded rod, the threaded block, the conical worm wheel, the conical worm and the supporting plate, the conical worm wheel can drive the conical worm to rotate to control the extension of the supporting plate and the telescopic rod, the edge and the side edge which cannot be supported by the top plate can be supported and protected, so that the supporting range of the supporting device is wider, and the protecting effect is better.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic top view of the support plate of FIG. 1 according to the present utility model;

fig. 3 is a schematic side view of the top plate of fig. 1 according to the present utility model.

In the figure: 1-roof, 2-bull stick, 3-pivot, 4-backup pad, 5-fixed plate, 6-awl worm, 7-awl worm wheel, 8-antiskid cover, 9-telescopic link, 10-telescopic column, 11-expansion plate, 12-connecting rod, 13-kicking block, 14-threaded rod, 15-screw thread piece.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

It is to be understood that the directional terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal" and "top, bottom" etc. are generally based on the directional terms as they are shown in the drawings, merely to facilitate the description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements being referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus should not be construed as limiting the scope of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

Referring to fig. 1-3, the present utility model provides a technical solution:

the utility model provides a tunneling temporary support device, includes roof 1 and backup pad 4, roof 1 outside fixedly connected with telescopic column 10, roof 1 inboard is provided with backup pad 4, roof 1 inboard rotates and is connected with pivot 3, the inside bull stick 2 that is provided with of pivot 3, bull stick 2 outside fixedly connected with antiskid cover 8, 3 outside fixedly connected with awl worm wheel 7 of pivot, 7 outside meshing of awl worm wheel is connected with awl worm 6, 6 outside rotations of awl worm are connected with fixed plate 5, 6 one end fixedly connected with threaded rod 14, threaded rod 14 outside screwed connection has screw thread piece 15, the screw thread piece 15 outside and backup pad 4 fixed connection, the inboard sliding connection of backup pad 4 has telescopic link 9, telescopic link 9 and the inboard fixedly connected with top block 13 of roof 1, 4 outside hinged joint of backup pad have connecting rod 12, the other end hinged joint of connecting rod 12 has telescopic plate 11.

The telescopic link 9, kicking block 13 and telescopic column 10 are provided with 4, telescopic link 9, kicking block 13 and telescopic column 10 evenly distributed are in four extreme points departments of roof 1, set up like this and can make roof 1 supported in the intermediate position in ore deposit hole, threaded rod 14, screw thread piece 15, backup pad 4 and telescopic plate 11 are provided with 2, threaded rod 14, screw thread piece 15, backup pad 4 and telescopic plate 11 evenly distributed are in the left and right sides of roof 1, set up like this and can make backup pad 4 and telescopic plate 11 stretch out the opposite side from both sides and support and protect, connecting rod 12 is provided with 4, connecting rod 12 evenly distributed is in the both sides of two backup pads 4, set up like this and can make telescopic plate 11 and backup pad 4 hinged joint be in the same place, the square protruding piece setting of bull stick 2 is in the recess of pivot 3, the recess of pivot 3 is the same with the square protruding piece shape of bull stick 2, set up like this can make bull stick 2 card drive pivot 3 in pivot 3 and rotate.

The working flow is as follows: firstly, the whole supporting device is arranged at the empty top position, the telescopic column 10 is started to place the top plate 1 at the empty top, the telescopic rod 9 is started, the telescopic rod 9 drives the jacking block 13 to be pricked into the walls of the holes at two sides, the supporting device is placed at the middle position of the mine hole by utilizing the telescopic rods 9 at two sides, after the adjustment is finished, a worker clamps the rotating rod 2 into the rotating shaft 3, holds the anti-skid sleeve 8 to rotate the rotating rod 2, the rotating rod 2 drives the rotating shaft 3 to rotate, the conical worm wheel 7 fixed on the rotating shaft 3 is meshed with the two conical worm rods 6 to drive the conical worm rods 6 at two sides to start rotating, the conical worm rods 6 drive the threaded rods 14 fixed at the tail ends of the conical worm rods 6 to rotate, the threaded rods 14 drive the threaded blocks 15 which are in spiral connection with the threaded rods 14 drive the support plates 4 fixed at the outer sides to slide outwards on the telescopic rods 9 at two ends, the threaded rods 14 are placed at the middle position of the support plates 4, the supporting plate 4 drives the expansion plate 11 connected to the end part of the supporting plate 4 to move out of the top plate 1, when the position of the connecting rod 12 on the supporting plate 4 moves to the edge position of the top plate 1, the expansion plate 11 is completely moved out, under the action of gravity, the expansion plate 11 rotates to the vertical position, the supporting plate 4 continues to move, when the supporting plate 4 moves to the position of the top block 13, a worker stops rotating the rotating rod 2, the rotating rod 2 is taken down from the rotating shaft 3 and placed on the ground, the rotating shaft 3, the threaded rod 14, the cone worm wheel 7 and the cone worm 6 completely stop moving, the supporting plate 4 plays a role in extending and supporting the top plate 1, the expansion plate 11 moves along with the supporting plate 4 to cling to the side wall of a mine hole, the end switch of the expansion plate 11 is opened, the expansion plate 11 falls under the action of gravity, the expansion plate 11 stretches to play a role in preventing the falling of the side wall coal, the whole supporting device finishes supporting, tunneling work starts in the supporting device, when the device is folded, the expansion plate 11 is folded, the rotating rod 2 is clamped into the rotating shaft 3, the anti-slip sleeve 8 is held by hands to rotate the rotating rod 2, the rotating rod 2 drives the rotating shaft 3 to rotate, the worm wheel 7 fixed on the rotating shaft 3 is meshed with the two worms 6 to drive the worms 6 on two sides to start rotating, the worm 6 drives the threaded rod 14 fixed at the tail end of the worm 6 to rotate, the threaded rod 14 drives the threaded block 15 in spiral connection with the threaded rod 14 to slide outwards, the threaded block 15 drives the supporting plate 4 fixed on the outer side to slide inwards on the expansion rods 9 at the two ends, the supporting plate 4 drives the expansion plate 11 to enter the top plate 1, when the supporting plate 4 and the expansion plate 11 are reset, the expansion rod 9 is started to retract the top block 13, the expansion post 10 is lowered, and the whole device can be moved to the next position.

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

Claims (5)

1. The utility model provides a tunnelling temporary support device, includes roof (1) and backup pad (4), its characterized in that: roof (1) outside fixedly connected with telescopic column (10), roof (1) inboard is provided with backup pad (4), roof (1) inboard rotates and is connected with pivot (3), pivot (3) inside is provided with bull stick (2), bull stick (2) outside fixedly connected with antiskid cover (8), pivot (3) outside fixedly connected with awl worm wheel (7), awl worm wheel (7) outside meshing is connected with awl worm (6), awl worm (6) outside rotation is connected with fixed plate (5), awl worm (6) one end fixedly connected with threaded rod (14), threaded rod (14) outside screwed connection has screw thread piece (15), screw thread piece (15) outside and backup pad (4) fixedly connected with, backup pad (4) inboard sliding connection has telescopic link (9), telescopic link (9) and roof (1) inboard fixedly connected with kicking block (13), backup pad (4) outside hinged joint has connecting rod (12), connecting rod (12) other end hinged joint has telescopic link (11).

2. A tunneling temporary support according to claim 1, wherein: the telescopic rod (9), the top block (13) and the telescopic column (10) are arranged in number of 4, and the telescopic rod (9), the top block (13) and the telescopic column (10) are uniformly distributed at four end points of the top plate (1).

3. A tunneling temporary support according to claim 1, wherein: threaded rod (14), screw thread piece (15), backup pad (4) and expansion plate (11) are provided with 2, threaded rod (14), screw thread piece (15), backup pad (4) and expansion plate (11) evenly distributed are in the left and right sides of roof (1).

4. A tunneling temporary support according to claim 1, wherein: the connecting rods (12) are arranged in 4, and the connecting rods (12) are uniformly distributed on two sides of the two supporting plates (4).

5. A tunneling temporary support according to claim 1, wherein: the square protruding block of bull stick (2) sets up in the recess of pivot (3), the recess of pivot (3) is the same with the square protruding block shape of bull stick (2).