CN219953433U

CN219953433U - Anti-caving device for underground coal mine rock

Info

Publication number: CN219953433U
Application number: CN202321652044.3U
Authority: CN
Inventors: 蔡光琪; 史来亮; 赵飞; 袁志
Original assignee: Shanxi Geophysical And Chemical Exploration Institute Co ltd; Chinacoal Pingshuo Group Co ltd
Current assignee: Shanxi Geophysical And Chemical Exploration Institute Co ltd; Chinacoal Pingshuo Group Co ltd
Priority date: 2023-06-27
Filing date: 2023-06-27
Publication date: 2023-11-03
Anticipated expiration: 2033-06-27

Abstract

The utility model discloses an anti-caving device for underground coal mine rock, which relates to the field of rock anti-caving and comprises a support frame, wherein an adjusting plate is hinged to the outer surface of the support frame through a pin shaft, four installation mechanisms are arranged outside the adjusting plate and comprise fixing rods, the anti-caving plate is arranged outside the support frame, the fixing rods are fixedly connected to the outer surface of the anti-caving plate, and the fixing rods penetrate through the outer surface of the adjusting plate and are in sliding connection with the adjusting plate. According to the utility model, through the arrangement of the falling-preventing plate and the mounting mechanism, when the falling-preventing plate is required to be detached for replacement and maintenance, the four bolts are used for respectively releasing the limit of the four fixing rods, the falling-preventing plate can be taken out and replaced, the four fixing rods are respectively inserted into the four fixing pipes in the same mounting way, and the four telescopic springs are used for jacking the falling-preventing plate, so that the falling-preventing plate is mounted with the adjusting plate.

Description

Anti-caving device for underground coal mine rock

Technical Field

The utility model relates to the field of rock collapse prevention, in particular to an underground rock collapse prevention device for a coal mine.

Background

Rock collapse prevention means prevention of rock sliding and falling in mining areas and prevention of rock collapse and smashing of surrounding pedestrians, is mainly used in mining areas such as coal mines and the like, is a protection mechanism, and is generally fixed on a supporting frame through an iron plate and placed at the slope position of the mining areas, and the collapse prevention device is arranged in the mining areas, so that risks of injuring workers in the mining areas are effectively reduced, and physical safety of construction workers is protected.

The utility model discloses a mine is with well head protection subassembly that falls through retrieving patent number CN215256184U, including installing the base on exposing the well head, the base upper end rotates installs the screw support post, screw thread installs the guard plate on the screw support post, the transmission case is installed to screw support post one end, the inside drive assembly that is provided with of transmission case, drive assembly and screw support post fixed connection, electric motor is installed to the transmission case upper end, and the device is through setting up liftable guard plate, realizes opening and shutting portably to the mine well head, can prevent effectively that outside stone from dropping when the guard plate closes the well head.

In order to prevent broken stone on a slope of a mining area from sliding down to injure personnel, a rock collapse prevention device is generally set up, and in the embodiment of the patent, the external stone can be effectively prevented from falling down, but the protection plate is not convenient to detach, because the rock collapse prevention device is used for blocking the falling stone, the protection plate of the rock collapse prevention device is damaged, the protection plate is difficult to play a protection role when being broken seriously, the protection plate of the rock collapse prevention device is generally fixed on a support frame in a welding mode, and a worker is difficult to detach the damaged protection plate and replace a new protection plate. Thus, an anti-caving device for underground rock of a coal mine is provided.

Disclosure of Invention

Technical problem to be solved

The utility model aims to make up the defects of the prior art and provides an anti-caving device for underground rock of a coal mine.

Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a colliery is device of preventing caving in of rock in pit, includes the support frame, the surface of support frame articulates there is the regulating plate through the round pin axle, the outside of regulating plate is provided with four installation mechanism, installation mechanism includes the dead lever, the outside of support frame is provided with prevents the board that falls, dead lever fixed connection is at the surface of preventing the board that falls, the dead lever runs through the surface of regulating plate and with regulating plate sliding connection, the surface fixedly connected with telescopic spring of regulating plate one, the one end fixedly connected with solid fixed ring of regulating plate is kept away from to telescopic spring one, gu fixed ring and dead lever looks adaptation, the surface fixedly connected with sleeve of regulating plate, telescopic inner wall sliding connection has the bolt, the surface fixedly connected with of regulating plate and the fixed pipe of dead lever looks adaptation, the bolt runs through the surface of fixed pipe and with fixed pipe sliding connection, the spout with bolt looks adaptation is seted up to the surface of dead lever, the outside of support frame is provided with adjustment mechanism, adjustment mechanism includes articulated section of thick bamboo.

Above-mentioned, the surface fixedly connected with pull rod of bolt, pull rod and sleeve sliding connection drive the bolt through pulling the pull rod and keep away from the dead lever to remove the limit of bolt to the dead lever.

The outer surface of the bolt is fixedly connected with the second telescopic spring, one end, far away from the bolt, of the second telescopic spring is fixedly connected to the inner wall of the sleeve, and the bolt is under the spring tension of the second telescopic spring, so that the second telescopic spring keeps the plug-in state of the bolt to the fixed rod.

Above-mentioned, articulated section of thick bamboo articulates at the surface of support frame through the round pin axle, the inner wall sliding connection of articulated section of thick bamboo has the movable rod, the one end that articulated section of thick bamboo was kept away from to the movable rod articulates at the surface of regulating plate through the round pin axle, will drive the regulating plate through the movable rod extension and rotate, and the regulating plate is rotatory will drive and prevent falling the board and adjust its inclination.

Above-mentioned, the surface rotation of movable rod is connected with the threaded rod, the surface threaded connection of threaded rod has the screwed pipe, screwed pipe fixed connection is at the surface of articulated cylinder, and the staff can rotate threaded rod cooperation screwed pipe and drive movable rod and remove.

Above-mentioned, the surface fixedly connected with strengthening rib of support frame, the surface fixedly connected with of support frame two broken awls, through the setting of broken awl, can insert two broken awls in the soil, stabilize the support frame.

Above-mentioned, the surface fixedly connected with two assembly pipes of support frame, the surface fixedly connected with of support frame two with assembly pipe looks adaptation assembly pole, insert the assembly pole of one device in the assembly pipe of another device, realize the assembly effect of device, can protect longer mining area slope.

The beneficial effects are that:

compared with the prior art, the anti-caving device for the underground coal mine rock has the following beneficial effects:

1. according to the utility model, through the arrangement of the anti-falling plate and the installation mechanism, when the anti-falling plate is required to be detached for replacement and maintenance, the pull rod is pulled to enable the bolts to be far away from the fixed pipes, and the four bolts are enabled to respectively release the limit of the four fixed rods, so that the anti-falling plate can be taken out and replaced, and in the same way, the four fixed rods are respectively inserted into the four fixed pipes, are respectively inserted into the sliding grooves of the four fixed rods through the four bolts, and are pressed against the anti-falling plate through the four telescopic springs, so that the anti-falling plate is installed with the adjusting plate.

2. According to the utility model, through the arrangement of the adjusting mechanism, the slope angle of the mining area is inconsistent, so that the angle of the falling-preventing plate needs to be adjusted according to the slope angle of the mining area, the movable rod is driven to move by the rotary threaded rod, so that the movable rod slides in the hinged cylinder, the movable rod stretches to drive the adjusting plate to rotate, and the adjusting plate rotates to drive the falling-preventing plate to adjust the inclination angle of the falling-preventing plate, so that the practicability of the device is improved.

Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.

Drawings

FIG. 1 is a schematic view of an assembled perspective structure of the present utility model;

FIG. 2 is a schematic perspective view of the reinforcing ribs and the ground breaking cone of the present utility model;

FIG. 3 is a schematic perspective view of the mounting mechanism of the present utility model;

fig. 4 is a schematic perspective view of an adjusting mechanism according to the present utility model.

In the figure:

1. a support frame; 2. an adjusting plate; 3. a falling-preventing plate;

4. a mounting mechanism; 41. a fixed rod; 42. a first telescopic spring; 43. a fixing ring; 44. a fixed tube; 45. a sleeve; 46. a plug pin; 47. a pull rod; 48. a second telescopic spring;

5. an adjusting mechanism; 51. a hinge cylinder; 52. a movable rod; 53. a threaded rod; 54. a threaded tube;

6. reinforcing ribs; 7. a broken earth cone; 8. assembling a pipe; 9. and (5) assembling a rod.

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.

Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides a colliery underground rock prevent caving device, including support frame 1, the surface of support frame 1 articulates through the round pin axle has regulating plate 2, the outside of regulating plate 2 is provided with four installation mechanism 4, installation mechanism 4 includes dead lever 41, the outside of support frame 1 is provided with prevents falling plate 3, dead lever 41 fixed connection is at the surface of preventing falling plate 3, dead lever 41 runs through the surface of regulating plate 2 and with regulating plate 2 sliding connection, the surface fixedly connected with telescopic spring of regulating plate 2 is first 42, one end fixedly connected with solid fixed ring 43 of regulating plate 2 is kept away from to telescopic spring first 42, gu fixed ring 43 and dead lever 41 looks adaptation, when preventing falling plate 3 receives four bolt 46 spacing, prevent falling plate 3 and regulating plate 2 to have the gap, when preventing falling plate 3 receives falling stone, four telescopic spring first 42 will play certain cushioning effect to falling stone's impact.

Referring to fig. 2 and 3, a sleeve 45 is fixedly connected to the outer surface of the adjusting plate 2, a bolt 46 is slidably connected to the inner wall of the sleeve 45, a fixing tube 44 adapted to the fixing rod 41 is fixedly connected to the outer surface of the adjusting plate 2, the bolt 46 penetrates through the outer surface of the fixing tube 44 and is slidably connected to the fixing tube 44, a sliding groove adapted to the bolt 46 is formed in the outer surface of the fixing rod 41, the four fixing rods 41 are respectively inserted into the four fixing tubes 44, and the four bolts 46 are respectively inserted into the sliding grooves of the four fixing rods 41 to limit the falling-preventing plate 3, and at this time, the fixing rods 41 can slide on the surface of the bolts 46.

The outer surface fixedly connected with pull rod 47 of bolt 46, pull rod 47 and sleeve 45 sliding connection, when dismantling, drive bolt 46 and keep away from dead lever 41 through pulling pull rod 47 to remove the spacing of bolt 46 to dead lever 41, the surface fixedly connected with expansion spring two 48 of bolt 46, the one end that expansion spring two 48 kept away from bolt 46 is fixedly connected with the inner wall at sleeve 45, and bolt 46 receives the spring tension of expansion spring two 48, makes expansion spring two 48 keep the grafting state of bolt 46 to dead lever 41.

Referring to fig. 1 and 4, an adjusting mechanism 5 is arranged outside the supporting frame 1, the adjusting mechanism 5 comprises a hinge barrel 51, the hinge barrel 51 is hinged to the outer surface of the supporting frame 1 through a pin shaft, the inner wall of the hinge barrel 51 is slidably connected with a movable rod 52, one end of the movable rod 52, which is far away from the hinge barrel 51, is hinged to the outer surface of the adjusting plate 2 through the pin shaft, the adjusting plate 2 is driven to rotate through extension of the movable rod 52, the adjusting plate 2 is driven to adjust the inclination angle of the adjusting plate 3, the angle of the falling plate 3 is adjusted according to the slope angle of a mining area, the falling stone preventing function is achieved, the outer surface of the movable rod 52 is rotatably connected with a threaded rod 53, the outer surface of the threaded rod 53 is in threaded connection with a threaded pipe 54, the threaded pipe 54 is fixedly connected to the outer surface of the hinge barrel 51, and a worker can rotate the threaded rod 53 to drive the movable rod 52 to move in cooperation with the threaded pipe 54.

The surface fixedly connected with strengthening rib 6 of support frame 1, the surface fixedly connected with of support frame 1 two broken cones 7, through the setting of strengthening rib 6, increase the supporting strength of support frame 1, through the setting of broken cone 7, can insert two broken cones 7 in the soil, stabilize support frame 1, the surface fixedly connected with two assembly pipes 8 of support frame 1, the surface fixedly connected with of support frame 1 two assembly poles 9 with assembly pipe 8 looks adaptation, insert the assembly pole 9 of one device in the assembly pipe 8 of another device, realize the assembly effect of device, can protect longer mining area slope.

Working principle: when the anti-falling plate 3 is required to be detached for replacement and maintenance, the pull rod 47 is pulled to enable the bolts 46 to be far away from the fixed pipe 44, the limit of the four fixing rods 41 is released by the four bolts 46 respectively, the anti-falling plate 3 can be taken out and replaced, the four fixing rods 41 are respectively inserted into the four fixed pipes 44 in the same manner during installation, the two telescopic springs 48 are enabled to keep the plug-in state of the bolts 46 to the fixing rods 41, the anti-falling plate 3 is enabled to contact the fixed ring 43 at the moment, the anti-falling plate 3 is enabled to be mounted with the adjusting plate 2 through the first telescopic springs 42, the anti-falling plate 3 is convenient to detach and mount, later maintenance work is convenient and fast.

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

1. The utility model provides a colliery rock in pit prevents caving device, includes support frame (1), its characterized in that: the outer surface of the support frame (1) is hinged with an adjusting plate (2) through a pin shaft, four mounting mechanisms (4) are arranged outside the adjusting plate (2), each mounting mechanism (4) comprises a fixing rod (41), an anti-falling plate (3) is arranged outside the support frame (1), each fixing rod (41) is fixedly connected with the outer surface of the anti-falling plate (3), each fixing rod (41) penetrates through the outer surface of the adjusting plate (2) and is in sliding connection with the adjusting plate (2), a telescopic spring (42) is fixedly connected with the outer surface of the adjusting plate (2), one end of each telescopic spring (42) far away from the adjusting plate (2) is fixedly connected with a fixing ring (43), each fixing ring (43) is matched with the corresponding fixing rod (41), a sleeve (45) is fixedly connected with the outer surface of the adjusting plate (2), a bolt (46) is slidably connected with the inner wall of the sleeve (45), a fixing tube (44) matched with the fixing rod (41), each fixing tube (44) is fixedly connected with the outer surface of the corresponding fixing rod (41), a sliding groove (46) is arranged on the outer surface of the adjusting plate (1), the adjusting mechanism (5) comprises a hinged barrel (51).

2. An anti-caving device for underground coal mine rock according to claim 1, wherein: the outer surface of the bolt (46) is fixedly connected with a pull rod (47), and the pull rod (47) is in sliding connection with the sleeve (45).

3. An anti-caving device for underground coal mine rock according to claim 1, wherein: the outer surface of the bolt (46) is fixedly connected with a second telescopic spring (48), and one end, far away from the bolt (46), of the second telescopic spring (48) is fixedly connected with the inner wall of the sleeve (45).

4. An anti-caving device for underground coal mine rock according to claim 1, wherein: the hinge cylinder (51) is hinged to the outer surface of the supporting frame (1) through a pin shaft, the inner wall of the hinge cylinder (51) is connected with a movable rod (52) in a sliding mode, and one end, away from the hinge cylinder (51), of the movable rod (52) is hinged to the outer surface of the adjusting plate (2) through the pin shaft.

5. An anti-caving device for underground coal mine rock according to claim 4, wherein: the outer surface of movable rod (52) rotates and is connected with threaded rod (53), the surface threaded connection of threaded rod (53) has screwed pipe (54), screwed pipe (54) fixed connection is at the surface of articulated section of thick bamboo (51).

6. An anti-caving device for underground coal mine rock according to claim 1, wherein: the outer surface of support frame (1) fixedly connected with strengthening rib (6), the outer surface fixedly connected with of support frame (1) two broken awl (7).

7. An anti-caving device for underground coal mine rock according to claim 1, wherein: the outer surface of the support frame (1) is fixedly connected with two assembling pipes (8), and the outer surface of the support frame (1) is fixedly connected with two assembling rods (9) which are matched with the assembling pipes (8).