CN214887160U - Safety support structure for underground excavation of coal mine - Google Patents

Abstract

The utility model discloses a colliery is safety support structure for digging in pit relates to colliery support equipment technical field. The utility model discloses a: a support frame; the mounting bracket, the vertical slidable mounting of mounting bracket is in on the support frame, the relative both sides in mounting bracket top articulate has the fagging that is used for supporting the wall of a well, install the pneumatic cylinder on the mounting bracket, install on the pneumatic cylinder loose axle and act on two the interlock subassembly of fagging. The utility model discloses it is fixed with ground earlier with the support frame, then after lifting the mounting bracket suitable height through the lifting means, start the pneumatic cylinder in the use, make the output shaft rebound of pneumatic cylinder, make two faggings upwards rotate round the pin joint of self under the effect of interlock subassembly this moment to play the effect of 1 walls of supporting well, compare with current, the device does not need the manual work to build, just can play the support to the wall of a well, and the device can be applicable to the colliery of co-altitude not and the advantage of using repeatedly moreover.

Description

Safety support structure for underground excavation of coal mine

Technical Field

The utility model relates to a colliery supporting equipment technical field, concretely relates to colliery is safety support structure for digging in pit.

Background

Before excavation operation is carried out under a coal mine, a supporting structure for supporting the inner wall in the well needs to be installed in the coal mine in order to prevent casualties caused by collapse in the well, but the existing roadway support generally needs to be built on site, a main supporting column and a cross beam are built, and the building on site is troublesome; and the built roadway support is only suitable for coal mines with one height and cannot be used for multiple times.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: for solving the problem that the background art provided, the utility model provides a colliery is safety support structure for digging in pit.

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

a safety support structure for underground coal mine excavation comprises:

a support frame;

the mounting frame is vertically and slidably mounted on the supporting frame, supporting plates for supporting a well wall are hinged to two opposite sides of the top of the mounting frame, a hydraulic cylinder is mounted on the mounting frame, a linkage assembly acting on the two supporting plates is mounted on a movable shaft of the hydraulic cylinder, and when the movable shaft of the hydraulic cylinder moves upwards, the two supporting plates are driven to upwards rotate along a self hinge point through the linkage assembly;

the lifting assembly is installed on the supporting frame and used for driving the mounting frame to vertically move.

Furthermore, the linkage assembly comprises a hinge block arranged on the movable shaft of the hydraulic cylinder, linkage pieces are arranged between the hinge block and the two mounting frames, and when the hinge block moves upwards, the two linkage pieces respectively drive the two supporting plates to rotate upwards around the hinge point of the two supporting plates;

the lifting assembly is installed on the supporting frame and used for driving the mounting frame to vertically move.

Furthermore, two the interlock spare is including the symmetry articulates articulated rod on articulated piece, two the articulated rod is kept away from articulated piece one end respectively with two the fagging is articulated.

Further, the hoisting component includes that vertical symmetry installs the body of rod on the support frame, one of them the body of rod rotates to be installed just along its length direction set up the screw thread on the support frame, set up screwed body of rod screw thread and run through the mounting bracket, another the body of rod slides and runs through the mounting bracket, install the drive on the support frame and set up the screw thread the body of rod is along self axis direction pivoted gear motor.

Furthermore, the support frame includes four bracing pieces that are the rectangle and distribute and with four the mounting panel that the bracing piece is connected.

Further, install the guide rail along its length direction on the bracing piece, it is a plurality of all install the slider on the guide rail a plurality of the slider all with the mounting bracket is connected.

The utility model has the advantages as follows:

1. the utility model discloses when using, it is fixed with ground earlier with the support frame, then after through the hoisting assembly with the mounting bracket lifting suitable height, start the pneumatic cylinder, make the output shaft rebound of pneumatic cylinder, make two faggings upwards rotate round the pin joint of self under the effect of interlock subassembly this moment to play the effect of supporting the wall of a well, compare with current, the device does not need the manual work to build, just can play the support to the wall of a well, and the device can be applicable to the colliery of co-altitude not and the advantage of using repeatedly in addition.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of another three-dimensional structure of the present invention;

reference numerals: 1. a support frame; 101. a support bar; 102. mounting a plate; 2. a mounting frame; 3. a supporting plate; 4. a linkage assembly; 5. a lifting assembly; 6. a hinged block; 7. a linkage member; 8. a hinged lever; 9. a rod body; 10. a guide rail; 11. a slide block.

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 and 2, an embodiment of the present invention provides a safety support structure for underground coal mine excavation, including: a support frame 1; the installation frame 2 is vertically and slidably installed on the support frame 1, supporting plates 3 for supporting a well wall are hinged to two opposite sides of the top of the installation frame 2, a hydraulic cylinder is installed on the installation frame 2, a linkage assembly 4 acting on the two supporting plates 3 is installed on a movable shaft of the hydraulic cylinder, and when the movable shaft of the hydraulic cylinder moves upwards, the two supporting plates 3 are driven to rotate upwards along a hinge point of the linkage assembly 4; lifting means 5, lifting means 5 installs on support frame 1, it is used for driving 2 vertical to the removal of mounting bracket, when using, it is fixed with ground with support frame 1 earlier, then after lifting means 5 with support frame 1 lifting suitable height, at the start-up pneumatic cylinder, make the output shaft rebound of pneumatic cylinder, make two fagging 3 upwards rotate round the pin joint of self under the effect of interlock subassembly 4 this moment, thereby play the effect of supporting the wall of a well (as shown in figure 2), compared with the prior art, the device need not artifically build, just can play the support to the wall of a well, and the device can be applicable to the colliery of co-altitude not and the advantage of used repeatedly.

As shown in fig. 1 and fig. 2, in some embodiments, the linkage assembly 4 includes a hinge block 6 mounted on the movable shaft of the hydraulic cylinder, a linkage member 7 is mounted between the hinge block 6 and the two mounting frames 2, when the hinge block 6 moves upward, the two link members 7 respectively drive the two supporting plates 3 to rotate upward around the hinge point of the two supporting plates, when the output shaft of the hydraulic cylinder moves upward, the hinge block 6 is driven to move upward, and the two supporting plates 3 rotate upward around the hinge point of the two supporting plates through the two linkage members 7, so that the supporting plates 3 can support.

As shown in fig. 1 and 2, in some embodiments, the two linkage members 7 include hinge rods 8 symmetrically hinged to the hinge block 6, and ends of the two hinge rods 8 far away from the hinge block 6 are hinged to the two supporting plates 3, respectively, when the hinge block 6 moves upwards, because the two hinge rods 8 are hinged to the mounting frame 2, the two supporting plates 3 can rotate around their hinge points due to the upward movement of the hinge block 6 via the relationship of the hinge rods 8, that is, when the hinge block 6 moves downwards, the two supporting plates 3 can rotate downwards via the relationship of the hinge rods 8, and during transportation, the supporting plates 3 can be aligned without occupying space, so that the transportation is convenient.

As shown in fig. 1 and 2, in some embodiments, the lifting assembly 5 includes two rods 9 vertically symmetrically installed on the support frame 1, one of the rods 9 is rotatably installed on the support frame 1 and is threaded along its length direction, the threaded rod 9 is threaded to penetrate through the mounting frame 2, the other rod 9 is slid to penetrate through the mounting frame 2, a speed reduction motor for driving the threaded rod 9 to rotate along its axis direction is installed on the support frame 1, that is, when the speed reduction motor rotates to drive the threaded rod 9 to rotate, the mounting frame 2 can only move and cannot rotate due to the limitation of the other rod 9, thereby playing a role of lifting.

As shown in fig. 1, in some embodiments, the supporting frame 1 includes four supporting rods 101 distributed in a rectangular shape and a mounting plate 102 connected to the four supporting rods 101.

As shown in fig. 1, in some embodiments, the support rod 101 is provided with a guide rail 10 along a length direction thereof, the plurality of guide rails 10 are provided with sliders 11, and the plurality of sliders 11 are connected with the mounting frame 2, and the design of the guide rails 10 and the sliders 11 enables the mounting frame 2 to move more smoothly when moving up and down, so that the mounting frame is not easy to jam.

Claims (6)

1. A safety support structure for underground coal mine excavation is characterized by comprising:

a support frame (1);

the mounting frame (2) is vertically and slidably mounted on the supporting frame (1), supporting plates (3) used for supporting a well wall are hinged to two opposite sides of the top of the mounting frame (2), a hydraulic cylinder is mounted on the mounting frame (2), a linkage component (4) acting on the two supporting plates (3) is mounted on a movable shaft of the hydraulic cylinder, and when the movable shaft of the hydraulic cylinder moves upwards, the two supporting plates (3) are driven to upwards rotate along a hinge point of the linkage component (4);

the lifting assembly (5) is installed on the supporting frame (1) and used for driving the mounting frame (2) to vertically move.

2. The safety support structure for underground coal mine excavation according to claim 1, wherein the linkage assembly (4) comprises a hinge block (6) mounted on the movable shaft of the hydraulic cylinder, a linkage member (7) is mounted between the hinge block (6) and the two mounting frames (2), and when the hinge block (6) moves upwards, the two support plates (3) are driven to rotate upwards around the hinge points of the two support plates respectively through the two linkage members (7).

3. The safety support structure for underground coal mine excavation according to claim 2, wherein the two linkage members (7) comprise hinge rods (8) symmetrically hinged to the hinge block (6), and one ends of the two hinge rods (8) far away from the hinge block (6) are respectively hinged to the two supporting plates (3).

4. The underground coal mine excavation safety support structure according to claim 1, characterized in that the lifting assembly (5) comprises a rod body (9) which is vertically symmetrically installed on the support frame (1), one of the rod body (9) is rotatably installed on the support frame (1) and is threaded along the length direction of the support frame, the threaded rod body (9) is threaded through the mounting frame (2), the other rod body (9) is slidably threaded through the mounting frame (2), the support frame (1) is provided with a speed reduction motor which drives the threaded rod body (9) to rotate along the axis direction of the speed reduction motor.

5. The safety support structure for underground coal mine excavation according to claim 1, wherein the support frame (1) comprises four support rods (101) which are distributed in a rectangular shape and a mounting plate (102) connected with the four support rods (101).

6. The safety support structure for underground coal mine excavation according to claim 5, wherein guide rails (10) are installed on the support rods (101) along the length direction of the support rods, and a plurality of slide blocks (11) are installed on the guide rails (10) and are connected with the mounting frame (2) respectively, wherein the slide blocks (11) are installed on the guide rails (10).

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