CN212376676U

CN212376676U - Safety device for coal mining

Info

Publication number: CN212376676U
Application number: CN202020701096.5U
Authority: CN
Inventors: 马晋波; 张鑫臻
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-01-19
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a safety device for coal mining, the on-line screen storage device comprises a base, the top welded fastening of base has the bottom tube, sliding connection has flexible part in the bottom tube, the spout has been seted up to the symmetry on the base, the through-hole has been seted up to base lateral wall symmetry, every rotate respectively in the through-hole and be connected with the lead screw, the one end welded fastening that the base was kept away from to the lead screw has the commentaries on classics hand, equal threaded connection has the nut on the lead screw, it is connected with the connecting rod to rotate on the nut, the one end that the nut was kept away from to the connecting rod rotates and is connected with the bracing piece. Through the nut motion on the lead screw, adjust the direction of support of connecting rod and support column to applicable in the plane of difference, through setting up flexible part, can adjust the height of this device, effectively support the tunnel of co-altitude not, carry out spacing setting to the hand, can prevent that the people from bumping by the mistake and leading to turning the hand and rotate, cause the potential safety hazard.

Description

Safety device for coal mining

Technical Field

The utility model relates to a coal mining technical field especially relates to a safety device for coal mining.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. The vast majority of coal mines in China belong to underground coal mines. Coal mines encompass a large area above ground and below ground as well as associated facilities. Coal mines are reasonable spaces excavated by humans when excavating geological formations rich in coal and generally include roadways, wells, and mining surfaces, among others.

At present, the safety protection device for coal mining is used for supporting a certain plane, the use of different working faces in the pit is limited to a certain extent, and when the well needs to be supported quickly, the safety protection device is difficult to use quickly to support, so that the collapse of a coal mine can be caused, and the life of people is threatened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a safety protection device for coal mining.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a safety device for coal mining, includes the base, the base comprises four pillars and a platform, the top welded fastening of base has the bottom tube, sliding connection has the flexible part that highly adjusts this device in the bottom tube, the spout has been seted up to the symmetry on the platform of base, the through-hole has been seted up to base platform lateral wall symmetry, every rotate respectively in the through-hole and be connected with the lead screw, every the lead screw runs through the base lateral wall and extends to in the spout, every the one end welded fastening that the base was kept away from to the lead screw has the commentaries on classics hand, every equal threaded connection has the nut on the lead screw, it is connected with the connecting rod to rotate on the nut, the one end that the nut was kept away from to the connecting rod is rotated and is connected with the bracing.

Preferably, the telescopic component comprises a supporting column inserted in the bottom tube, the side wall of the supporting column is provided with a plurality of jacks, the side wall of the bottom tube is provided with a plurality of square holes matched with the jacks, and the inside of each square hole is in threaded connection with a bolt.

Preferably, a supporting platform is fixed on the top of the supporting column in a welding mode.

Preferably, one end of the support rod, which is far away from the bottom tube, is rotatably connected with a support plate.

Preferably, the supporting plate is made of high-strength wear-resistant materials, and the plate surface of the supporting plate is provided with zigzag lines.

Preferably, a plurality of round holes are formed in the rotating hand, round grooves matched with the round holes are formed in the side wall of the flat plate of the base, and screws are connected to the inner threads of the round holes in a threaded mode.

The utility model provides a beneficial effect:

1. through manual rotation turning hand, the nut moves left and right on the lead screw, so that the support direction of the support column is adjusted by the connecting rod, different planes in a roadway can be effectively supported, and the application range of the device is enlarged.

2. Through setting up flexible part, through the cooperation position of adjustment square hole and jack, carry on spacingly with the bolt, then can highly adjust this device, make supporting platform and not co-altitude's tunnel top support, be applicable to the well of co-altitude not, increase the application scope of this device.

3. The rotary handle is provided with a plurality of round holes, the flat side wall of the base is provided with a round groove matched with the round holes, the round holes are connected with screws in an internal thread mode, when the screw rod is rotated, the nuts move leftwards and rightwards, so that the supporting plate is pushed to rotate, after the supporting surface is determined, the rotary handle is fixed by the screws, the manual mistaken collision is prevented, the rotary handle is rotated, the supporting plate is separated from the supporting surface, and potential safety hazards are caused.

Drawings

Fig. 1 is the utility model provides a safety device's for coal mining structure schematic diagram.

Fig. 2 is an enlarged schematic view of a part a of the safety device for coal mining according to the present invention.

Fig. 3 is the utility model provides a side structure schematic diagram in safety device for coal mining.

In the figure: the device comprises a base 1, a sliding groove 2, a lead screw 3, a rotating handle 4, a screw 5, a through hole 6, a jack 7, a nut 8, a connecting rod 9, a supporting rod 10, a supporting plate 11, a supporting platform 12, a bolt 13, a supporting column 14 and a bottom tube 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a safety device for coal mining, including base 1, base 1 comprises four pillars and a platform, base 1's top welded fastening has bottom tube 15, sliding connection has the extensible part who adjusts this device height in bottom tube 15, spout 2 has been seted up to the symmetry on base 1's the platform, through-hole 6 has been seted up to base 1 platform lateral wall symmetry, it is connected with lead screw 3 to rotate respectively in every through-hole 6, every lead screw 3 runs through base 1 lateral wall and extends to in spout 2, the one end welded fastening that base 1 was kept away from to every lead screw 3 has runner 4, equal threaded connection has nut 8 on every lead screw 3, it is connected with connecting rod 9 to rotate on nut 8, the one end that nut 8 was kept away from to connecting rod 9 rotates and is connected with bracing piece 10, the lower extreme of bracing piece rotates and connects on bottom tube 15's.

The telescopic part is including inserting support column 14 of establishing in bottom tube 15, and a plurality of jacks 7 have been seted up to the lateral wall of support column 14, and a plurality of and jack 7 complex square holes have been seted up to the lateral wall of bottom tube 15, and the inside threaded connection in square hole has bolt 13, and through the cooperation position of adjustment square hole and jack 7, spacing is carried out with bolt 13, then can highly adjusting this device, is applicable to the well of not co-altitude.

The top of the supporting column 14 is fixed with a supporting platform 12 by welding, and the supporting platform 12 can effectively support the plane of the top.

One end of the support rod 10 far away from the bottom tube 15 is rotatably connected with a support plate 11, the support plate 11 is rotatably connected to the support rod 10 and matched with the left and right movement of the nut 8, and the support plate 11 can support different inclined planes.

Backup pad 11 is made for high strength wear-resisting material, and the zigzag line has been seted up to the face of backup pad 11, and the support dynamics of increase backup pad 11 prevents to skid to cause the holding surface to sink.

The rotating hand 4 is provided with a plurality of round holes, the flat side wall of the base 1 is provided with a round groove matched with the round holes, the round holes are connected with screws 5 through internal threads, when the screw rod 3 rotates, the nuts 8 move left and right, so that the supporting plate 11 is pushed to rotate, after the supporting surface is determined, the rotating hand 4 is fixed through the screws, the rotating hand 4 is prevented from rotating due to artificial mistaken collision, the supporting plate 11 is separated from the supporting surface, and potential safety hazards are caused.

The utility model discloses in, the user is when using this device, at first with this device remove the needs support under the ore deposit such as tunnel in the environment, adjust the height of support column 14 through bolt 13 and jack 7, make supporting platform 12 offset with the ore deposit way top, support the top, rotate the runner 4 after that, lead screw 3 is along with rotating, nut 8 offsets with 2 bottoms of spout, the nut removes on lead screw 3, thereby promote connecting rod 9 and bracing piece 10 and be circular-arc motion, offset backup pad 11 and the plane that needs fixed stay, later with screw threaded connection in the round hole that runner 4 was seted up, it fixes to rotate runner 4, prevent that the people from bumping for the mistake, make backup pad 11 rotate and break away from the holding surface, lead to supporting protection failure, influence constructor safety.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The safety protection device for coal mining comprises a base (1), wherein the base (1) comprises four pillars and a platform, and is characterized in that a bottom pipe (15) is welded and fixed at the top of the base (1), telescopic parts for adjusting the height of the device are connected in the bottom pipe (15) in a sliding manner, sliding grooves (2) are symmetrically formed in the platform of the base (1), through holes (6) are symmetrically formed in the side wall of the platform of the base (1), each through hole (6) is internally and respectively connected with a lead screw (3) in a rotating manner, each lead screw (3) penetrates through the side wall of the base (1) and extends into the sliding groove (2), a rotating handle (4) is welded and fixed at one end, far away from the base (1), of each lead screw (3) is connected with a nut (8) in a threaded manner, a connecting rod (9) is rotatably connected to the nut (8), one end of the connecting rod (9) far away from the nut (8) is rotatably connected with a supporting rod (10), and the lower end of the supporting rod is rotatably connected to the side wall of the bottom pipe (15).

2. The safety device for coal mining according to claim 1, wherein the telescopic component comprises a supporting column (14) inserted in a bottom pipe (15), a plurality of insertion holes (7) are formed in the side wall of the supporting column (14), a plurality of square holes matched with the insertion holes (7) are formed in the side wall of the bottom pipe (15), and a bolt (13) is connected to the inner threads of the square holes in a threaded mode.

3. A safety shield apparatus for coal mining as claimed in claim 2, wherein the support platform (12) is welded to the top of the support column (14).

4. A safety shield apparatus for coal mining as claimed in claim 1, wherein the support bar (10) is pivotally connected to the support plate (11) at an end remote from the bottom tube (15).

5. The safety device for coal mining according to claim 4, wherein the support plate (11) is made of high-strength wear-resistant material, and the plate surface of the support plate (11) is provided with zigzag lines.

6. The safety device for coal mining according to claim 1, wherein a plurality of round holes are formed in the rotating handle (4), round grooves matched with the round holes are formed in the side wall of the flat plate of the base (1), and screws (5) are connected to the round holes in a threaded mode.