CN213331139U

CN213331139U - Coal is opened and is adopted structure top to support safety device

Info

Publication number: CN213331139U
Application number: CN202022063086.6U
Authority: CN
Inventors: 杨培鹤; 贺春龙; 刘永平; 伯君容
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-20
Filing date: 2020-09-20
Publication date: 2021-06-01
Anticipated expiration: 2030-09-20

Abstract

The utility model discloses a coal is opened and is adopted structure top to support safety device belongs to the coal gallery and struts technical field. The utility model provides a coal is opened and is adopted structure top and protect safety device, the on-line screen storage device comprises a base, four fixed orificess have been seted up to base top surface four corners department, the fixed orifices is inserted and is equipped with the gim peg, base top surface bilateral symmetry is equipped with two sideboard, the cavity has all been seted up at two sideboard top surfaces middle part, cavity bottom surface symmetry has set firmly two base poles, base pole top surface middle part is inserted and is equipped with the extension rod, base pole and extension rod outside cover are equipped with compression spring, the backup pad has set firmly between two extension rod upper ends, be equipped with the bracket between two. The utility model discloses a coal mining mine way provides the holding power, prevents that the mine way from taking place to collapse, and has improved the being connected of device and mine way inner wall through each structure to this very big improvement the bearing capacity of device, ensured staff's exploitation safety, provide the guarantee for staff's life safety.

Description

Coal is opened and is adopted structure top to support safety device

Technical Field

The utility model relates to a coal gallery is strutted technical field, and more specifically says, relates to a coal is opened and is adopted structure top to support safety device.

Background

Coal is known as black gold by people, industrial food is one of main energy sources used in the human world in the eighteenth century, the coal is branches, leaves and rhizomes of plants in millions of years, a layer of extremely thick black humic substance is formed by stacking on the ground, the crust is continuously buried underground due to change, the coal is isolated from the air for a long time, and black combustible sedimentary rock is formed under high temperature and high pressure through a series of complex physical and chemical changes and other factors, so that coal is usually excavated underground, in the process of underground excavation, a support is required to be used at one end distance at intervals to support a mined tunnel so as to avoid the occurrence of accidents caused by collapse of the tunnel, the existing support structure mostly uses metal rods to support the tunnel after being connected by fasteners, the structure has poor bearing capacity and wastes time and labor during installation, in view of this, we propose a coal mining roof supporting and protecting safety device.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a coal is opened and is adopted structure top to support and protect safety device to solve the problem that proposes among the above-mentioned background art.

2. Technical scheme

A top supporting and protecting safety device for coal mining, which comprises a base, wherein four fixing holes are formed in four corners of the top surface of the base, fixing bolts are inserted into the fixing holes, tips are fixedly arranged at the lower ends of the fixing bolts, two side plates are symmetrically arranged on two sides of the top surface of the base, two connecting rods are symmetrically arranged on the inner sides of the side plates, screw thread seats are fixedly arranged at two ends of each connecting rod in a symmetrical structure, screws are inserted into the screw thread seats, threaded holes are formed in the inner walls of the side plates and the top surface of the base relative to the terminal ends of the screws, a plurality of grooves are formed in the outer walls of the side plates at equal intervals in a linear mode, inserting plates are arranged in the grooves, threaded rods are rotatably connected to the middle parts of the inner side ends of the inserting plates, the starting ends of the threaded rods penetrate through the inner walls of the grooves and extend to the, the cavity bottom surface symmetry has set firmly two base poles, base pole top surface middle part is inserted and is equipped with the extension rod, base pole and extension rod outside cover are equipped with compression spring, two the backup pad has set firmly between the extension rod upper end, the backup pad top surface is front and back symmetrical structure and has seted up two fillets, two be equipped with the bracket between the backup pad top surface, the arc wall has been seted up at bracket bottom surface middle part, the inserting groove has been seted up for the position of backup pad to bracket bottom surface both sides, two spouts have been seted up to the inserting groove bilateral symmetry.

Preferably, the connecting rod is of an inclined structure with a high outer part and a low inner part, the screw is in threaded connection with the threaded seat, and the screw is in threaded connection with the threaded hole.

Preferably, the inserting plate is of a trapezoidal column structure with a small end at the outer end, the inserting plate is in sliding fit with the groove, and the threaded rod is in threaded connection with the threaded hole.

Preferably, the extension rod is in sliding fit with the interior of the base rod, and the support plate is in sliding fit with the cavity.

Preferably, the support plate is in plug fit with the plug groove, the top surface of the support plate is in sliding fit with the sliding groove, and the width of the sliding groove is the same as that of the plug groove.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. the utility model discloses be equipped with the base, the dead bolt of establishing can be with base and ore deposit way bottom surface zonulae occludens through the fixed orifices that the four corners was seted up on the base and insert in it, and the dead bolt lower extreme has set firmly the tip, and very big has made things convenient for during the staff fixes it into ground to this enlarges the contact surface of this device and bottom surface, makes ground can share more power, improves the bearing capacity of device to the ore deposit way top surface.

2. The utility model discloses be equipped with the sideboard, the screw is fixed on the screw thread seat cooperation that sets firmly through connecting rod and connecting rod both ends between sideboard and base, treat that the fixing finishes the back, the sideboard is when providing the holding power for its upper structure, still be equipped with the picture peg in the recess that its lateral surface was seted up, the staff accessible is twisted the threaded rod along the screw and is gone up the ejecting recess of picture peg and insert the lateral wall of ore deposit, improve the contact surface of sideboard and ore deposit lateral wall, and the picture peg is the less ladder type column structure of outer end again, the event can form the connection structure of similar root form, with this fastness that increases the sideboard, improve its holding power that provides to the superstructure.

3. The utility model provides an arc wall has been seted up to the bracket bottom surface, utilizes the arc wall to make the bracket be the structure of similar arched door, improves the holding power of bracket to the gallery top surface, and the increase device avoids the gallery to take place the danger of collapsing to the bearing capacity of gallery.

4. The utility model has the advantages that the supporting plate is fixed in the cavity of the top surface of the sideboard through the two base rods, the extension rod and the compression spring which are symmetrically arranged, the supporting plate can be completely ejected out of the cavity under normal state, when the bracket is installed, a worker can fill the bracket into the crack between the top surface of the device and the top wall of the mine tunnel along the front side or the rear side of the device, because the front end and the rear end of the top surface of the supporting plate are both in round angle structures, and the bottom surface of the bracket is also provided with a chute, the sliding fit of the two can lead the supporting plate to be pressed into the cavity and slide to the inserting groove along the chute, thereby facilitating the installation of the device by the worker, after the inserting of the supporting plate and the inserting groove is finished, under the elastic force of the compression spring, the top surface of the bracket is tightly attached to the top wall of the mine tunnel to provide sufficient supporting force, and when the structure is used, the service life of the device is prolonged.

Drawings

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

FIG. 2 is a schematic view of the exploded structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the bracket of the present invention;

FIG. 4 is a schematic view of the exploded structure of the side plate of the present invention;

fig. 5 is a schematic view of the structure of the connecting rod and the screw according to the present invention.

The reference numbers in the figures illustrate: 1. a base; 2. a fixing hole; 3. a fixing bolt; 4. a tip; 5. a side plate; 6. a connecting rod; 7. a threaded seat; 8. a screw; 9. a threaded hole; 10. a groove; 11. inserting plates; 12. a threaded rod; 1201. a screw hole; 13. a cavity; 14. a base shaft; 15. an extension pole; 16. a compression spring; 17. a support plate; 18. round corners; 19. a bracket; 20. an arc-shaped slot; 21. inserting grooves; 22. a chute.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; 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 in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution:

a coal mining roof supporting and protecting safety device comprises a base 1, four fixing holes 2 are formed in four corners of the top surface of the base 1, fixing bolts 3 are inserted into the fixing holes 2, pointed ends 4 are fixedly arranged at the lower ends of the fixing bolts 3, two side plates 5 are symmetrically arranged on two sides of the top surface of the base 1, two connecting rods 6 are symmetrically arranged on the inner sides of the side plates 5, two ends of each connecting rod 6 are symmetrically and fixedly provided with a threaded seat 7, screws 8 are inserted into the threaded seats 7, threaded holes 9 are formed in the inner walls of the side plates 5 and the top surface of the base 1 relative to the terminal ends of the screws 8, a plurality of grooves 10 are linearly and equidistantly formed in the outer wall of each side plate 5, inserting plates 11 are arranged in the grooves 10, threaded rods 12 are rotatably connected to the middle portions of the inner side ends of the inserting plates 11, the starting ends of the threaded rods 12 penetrate through the inner walls of the grooves 10 and extend to the inner sides, cavity 13 bottom surface symmetry has set firmly two base poles 14, base pole 14 top surface middle part is inserted and is equipped with extension rod 15, base pole 14 overlaps with the 15 outside covers of extension rod and is equipped with compression spring 16, backup pad 17 has set firmly between two 15 upper ends of extension rod, two fillets 18 have been seted up to symmetrical structure around the backup pad 17 top surface is, be equipped with bracket 19 between two backup pad 17 top surfaces, arc wall 20 has been seted up at bracket 19 bottom surface middle part, inserting groove 21 has been seted up for backup pad 17's position in bracket 19 bottom surface both sides, two spout 22 have been seted up to inserting groove 21 bilateral symmetry.

Specifically, connecting rod 6 is the slope structure of outer height interior low, screw 8 and threaded seat 7 threaded connection, screw 8 and screw hole 9 threaded connection, and screw 8 is fixed in the cooperation of threaded seat 7 that sets firmly through connecting rod 6 and connecting rod 6 both ends between sideboard 5 and base 1.

Furthermore, the inserting plate 11 is of a ladder-shaped column structure with a small end at the outer end, the inserting plate 11 is in sliding fit with the groove 10, the threaded rod 12 is in threaded connection with the screw hole 1201, after the side plate 5 is fixed, the side plate 5 provides supporting force for the structure above the side plate, the inserting plate 11 is further arranged in the groove 10 formed in the outer side face of the side plate 5, a worker can push the inserting plate 11 out of the groove 10 by screwing the threaded rod 12 along the screw hole 1201 and insert the inserting plate into the side wall of the mine shaft, the contact surface between the side plate 5 and the side wall of the mine shaft is improved, and the inserting plate 11 is of a ladder-shaped column structure with a small outer end, so that a connecting structure similar to a tree root can be formed, the firmness of the side plate 5 is improved, and the supporting force.

Furthermore, the extension rod 15 is slidably engaged with the inside of the base rod 14, the support plate 17 is slidably engaged with the cavity 13, the support plate 17 is fixed in the cavity 13 on the top surface of the side plate 5 through the two base rods 14, the extension rod 15 and the compression spring 16, which are symmetrically arranged, and the support plate 17 is completely ejected out of the cavity 13 in a normal state.

Still further, the supporting plate 17 is in inserting fit with the inserting groove 21, the top surface of the supporting plate 17 is in sliding fit with the sliding groove 22, the width of the sliding groove 22 is the same as the width of the inserting groove 21, a worker can insert the bracket 19 into a gap between the top surface of the device and the top wall of the mine tunnel along the front side or the rear side of the device, because the front end and the rear end of the top surface of the supporting plate 17 are both in a round angle 18 structure, and the sliding groove 22 is further formed in the bottom surface of the bracket 19, the sliding fit between the supporting plate 17 and the inserting groove 21 can be utilized to enable the supporting plate 17 to be pressed into the cavity 13 and simultaneously slide to the inserting groove 21 along the sliding groove 22, so that the installation of the device by the worker is facilitated, after the inserting of the supporting plate 17 and the inserting groove 21 is completed, under the elastic force of the compression spring 16, the top surface of the bracket 19 is tightly attached to the top wall, the service life of this device has been improved, and arc wall 20 has still been seted up to bracket 19 bottom surface, utilizes arc wall 20 to make bracket 19 be the structure of similar arched door, improves bracket 19 and to the holding power of gallery top surface, and the increase device is to the bearing capacity of gallery, avoids the gallery to take place the danger of collapsing.

The working principle is as follows: in the process that workers excavate coal in a mine and expand forwards to advance, the workers can utilize the device to support the mine to avoid collapse and can evenly install the coal along the mine, firstly, all components of the device are transported to the position where a supporting safety device is required to be installed, then, the base 1 can be tightly connected with the bottom surface of the mine through the fixing holes 2 arranged at four corners of the base 1 and the fixing bolts 3 inserted in the fixing holes, the lower ends of the fixing bolts are fixedly provided with the pointed ends 4, the workers can be greatly convenient to fix the coal into the ground, so that the contact surface between the device and the bottom surface is enlarged, the ground can distribute more force, the bearing capacity of the device on the top surface of the mine is improved, then, the side plates 5 are installed along two sides of the base 1, the side plates 5 and the base 1 are fixed through the connecting rods 6 and the thread seats 7 fixedly arranged at two ends of the connecting rods 6 and matched with the screws 8, after the fixation is finished, the side plates 5 provide supporting force for the structures above the side plates, the groove 10 arranged on the outer side surface of the bracket 19 is internally provided with an inserting plate 11, a worker can push the inserting plate 11 out of the groove 10 and insert the inserting plate into the side wall of the mine way by screwing a threaded rod 12 along a screw hole 1201, so that the contact surface of the side plate 5 and the side wall of the mine way is improved, the inserting plate 11 is of a ladder-shaped column structure with a smaller outer end, a connecting structure similar to a tree root shape can be formed, the firmness of the side plate 5 is improved, the supporting force of the side plate on the upper structure is improved, finally, the bracket 19 is installed, a supporting plate 17 is fixed in a cavity 13 on the top surface of the side plate 5 through two base rods 14, extension rods 15 and compression springs 16 which are symmetrically arranged, the supporting plate 17 is completely pushed out of the cavity 13 under a normal state, when the bracket 19 is installed, the worker can plug the bracket 19 into a crack between the top surface of the device and the top wall of the mine way along the front side, and the bottom surface of the bracket 19 has also been offered the concrete chute 22, can make the backup pad 17 slide to the splicing groove 21 department along the concrete chute 22 while being impressed cavity 13 by utilizing the sliding fit of the two, made things convenient for the installation of the apparatus, after the backup pad 17 is pegged graft with the splicing groove 21 and finished, under the elastic force of compression spring 16, the top surface of the bracket 19 will closely laminate with the roof of the mine shaft and provide sufficient holding power, and this structure is when the mine shaft carries out the blasting construction, can provide the space of a vibrations, avoid resonance to lead to the device to damage, the life of the apparatus has been improved, the arc wall 20 has still been offered to the bottom surface of the bracket 19, utilize the arc wall 20 to make the bracket 19 be the structure similar to the arched door, improve the holding power of the bracket 19 to the top surface of the mine shaft, increase the bearing capacity of the apparatus to the mine shaft, avoid the.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a coal is opened and is adopted structure top support safety device, includes base (1), its characterized in that: four fixing holes (2) are formed in four corners of the top surface of the base (1), fixing bolts (3) are inserted into the fixing holes (2), tips (4) are fixedly arranged at the lower ends of the fixing bolts (3), two side plates (5) are symmetrically arranged on two sides of the top surface of the base (1), two connecting rods (6) are symmetrically arranged on two sides of each side plate (5), threaded seats (7) are symmetrically formed in two ends of each connecting rod (6), screws (8) are inserted into the threaded seats (7), threaded holes (9) are formed in the inner walls of the side plates (5) and the top surface of the base (1) relative to the positions of the ends of the screws (8), a plurality of grooves (10) are formed in the outer walls of the side plates (5) at linear equal intervals, inserting plates (11) are arranged in the grooves (10), and threaded rods (12) are rotatably connected to the middle portions of the inner side, the screw rod (12) is provided with a screw hole (1201) at the starting end penetrating through the inner wall of the groove (10) and extending to the inner side of the side plate (5), the side plate (5) is provided with a screw hole (1201) at the position corresponding to the screw rod (12), the middle parts of the top surfaces of the two side plates (5) are provided with cavities (13), the bottom surfaces of the cavities (13) are symmetrically and fixedly provided with two base rods (14), the middle parts of the top surfaces of the base rods (14) are inserted with extension rods (15), the outer sides of the base rods (14) and the extension rods (15) are sleeved with compression springs (16), a support plate (17) is fixedly arranged between the upper ends of the two extension rods (15), the top surface of the support plate (17) is provided with two round corners (18) in a front-back symmetrical structure, a bracket (19) is arranged between the top surfaces of the two support plates (17), the middle part of the bottom surface of, two sliding grooves (22) are symmetrically formed in two sides of the insertion groove (21).

2. The coal mining roof supporting and protecting safety device of claim 1, wherein: the connecting rod (6) is of an inclined structure with a high outer part and a low inner part, the screw (8) is in threaded connection with the threaded seat (7), and the screw (8) is in threaded connection with the threaded hole (9).

3. The coal mining roof supporting and protecting safety device of claim 1, wherein: the plug board (11) is of a trapezoidal column structure with a small end at the outer end, the plug board (11) is in sliding fit with the groove (10), and the threaded rod (12) is in threaded connection with the screw hole (1201).

4. The coal mining roof supporting and protecting safety device of claim 1, wherein: the extension rod (15) is in sliding fit with the interior of the base rod (14), and the support plate (17) is in sliding fit with the cavity (13).

5. The coal mining roof supporting and protecting safety device of claim 1, wherein: the supporting plate (17) is in plug fit with the plug groove (21), the top surface of the supporting plate (17) is in sliding fit with the sliding groove (22), and the width of the sliding groove (22) is the same as that of the plug groove (21).