CN212454547U - L-shaped two-shaft box type pushing bridge frame for fully mechanized coal mining face of coal mine - Google Patents

Abstract

The utility model discloses the colliery is combined and is adopted box lapse crane span structure of working face L type diaxon and includes crossbeam and longeron, the crossbeam is perpendicular to each other with the longeron, and the longeron is installed in the top of crossbeam, form L type crane span structure with this, wherein the crossbeam adopts side pipe and angle bar to weld, and form the ascending U type groove of opening, cable and rubber tube are laid in U type groove, it has the cross axle to alternate on the crossbeam, the one end of cross axle is inserted in the crossbeam, the other end is connected on the elevating conveyor, the hanger rail dolly is installed to the tip of crossbeam, hanger rail dolly and crossbeam rotatable coupling, lay cable and rubber tube in U type inslot and pass from the hanger rail dolly. The utility model discloses simple structure, safe performance, low in manufacturing cost are honest and clean, effectual solved combine to adopt laying, hanging, the automatic difficult problem that passes of cable and rubber tube between working face elevating conveyor and the equipment train cable car, stopped cable pressurized and taken place the trouble of electric leakage and short circuit, rubber tube weeping and explosion, ensured colliery workman personal safety, won the time for production.

Description

L-shaped two-shaft box type pushing bridge frame for fully mechanized coal mining face of coal mine

[ technical field ] A method for producing a semiconductor device

The utility model relates to a mining equipment field specifically is a coal mine combines and adopts box lapse crane span structure of working face L type diaxon.

[ background of the invention ]

In the stoping process of a fully mechanized mining face of a coal mine, the laying, hanging and automatic pushing of cables and rubber pipes between a reversed loader and an equipment train cable car are a difficult problem which puzzles coal mine workers.

In the prior art, an I-shaped steel or a steel pipe is connected between a transfer machine and a cable car, then a cable and a rubber pipe are bound on the I-shaped steel or the steel pipe by a hemp rope or a nylon binding tape, and the cable and the rubber pipe are hung in a mess.

Along with the continuous forward propulsion of a coal mining surface and the fluctuation change of the gradient of a roadway, the connecting I-shaped steel or the steel pipe is often deformed and broken, so that the cable and the rubber pipe are squeezed and broken, the faults of cable leakage or short circuit, high-pressure rubber pipe leakage and the like are caused, and serious accidents of people electric shock, people injury caused by high-pressure liquid generated by pipe explosion of the high-pressure rubber pipe, people injury caused by the falling of the connecting I-shaped steel or the steel pipe and people injury caused by the steel pipe are. The electric leakage fault of the cable is difficult to find, a large amount of time and labor are consumed when the fault is processed, the personal safety of underground workers is greatly threatened by the existing process, the advancing speed of a coal face is severely limited, and the safety and the production are influenced.

Therefore, the L-shaped two-shaft box type pushing bridge frame for the fully mechanized coal mining face is an urgent problem to be solved in the field.

[ Utility model ] content

To the above problem, the utility model has the advantages of simple structure, safe performance, low in manufacturing cost are honest and clean, effectual having solved combine to adopt laying, hanging, the automatic difficult problem that passes of cable and rubber tube between working face elevating conveyor and the equipment train cable car, stopped cable pressurized and taken place the trouble of electric leakage and short circuit, rubber tube weeping and booster, ensured colliery workman personal safety, won the time for production.

In order to solve the problems, the L-shaped two-shaft box type pushing bridge frame of the coal mine fully-mechanized mining face comprises a cross beam and a longitudinal beam, the cross beam is perpendicular to the longitudinal beam, the longitudinal beam is arranged above the cross beam to form the L-shaped bridge frame, the cross beam is welded by square pipes and angle irons and forms a U-shaped groove with an upward opening, cables and rubber pipes are laid in the U-shaped groove, a cross shaft is inserted into the cross beam, one end of the cross shaft is inserted into the cross beam, the other end of the cross shaft is connected to a reversed loader, a rail hanging trolley is arranged at the end part of the cross beam, the rail hanging trolley is rotatably connected with the cross beam, and the cables and the rubber pipes laid in.

Furthermore, the two sides of the cross beam are welded with positioning plates, the centers of the positioning plates are provided with round holes, and the cross shaft penetrates through the round holes at the centers of the two positioning plates and is in clearance fit with the round holes, so that the cross beam can rotate around the cross shaft.

Furthermore, the welding of the end of cross axle has a connecting plate, has seted up a plurality of round holes on the connecting plate, adopts high strength bolt to install the connecting plate on the aircraft nose of elevating conveyor, the terminal surface of connecting plate and the terminal surface butt of longeron.

Furthermore, the hanger rail trolley comprises a U-shaped support arranged at the tail end of the cross beam, a cable groove arranged in the U-shaped support, and a roller arranged on the cable groove.

Furthermore, the U-shaped support is rotatably connected to the cross beam through a bolt.

Furthermore, the cable groove and the U-shaped support are rotatably connected through a pin shaft.

Further, the roller is rotatably connected to the inside of the cable groove through an axle.

Furthermore, the utility model discloses simple structure, safe performance, low in manufacturing cost are honest and clean, and the effectual solution combines laying, hanging, the automatic difficult problem that passes of cable and rubber tube between adopting working face elevating conveyor and the equipment train cable car, has stopped cable pressurized and has taken place the trouble of electric leakage and short circuit, rubber tube weeping and booster, has ensured colliery workman personal safety, gains the time for production.

[ description of the drawings ]

Fig. 1 is the structural schematic diagram of the utility model discloses coal mine combine and adopt working face L type diaxon box formula to pass the crane span structure.

Fig. 2 is a schematic view of the connection between the middle cross beam and the cross shaft of the present invention.

Fig. 3 is a schematic view of the connection between the hanger rail trolley and the cross beam of the present invention.

[ detailed description ] embodiments

The directional terms of the present invention, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", etc., are only directions in the drawings, and are only used for explaining and explaining the present invention, but not for limiting the scope of the present invention.

Referring to fig. 1 to 3, the utility model discloses the coal mine is combined and is adopted working face L type diaxon box to pass the component structure of crane span structure, it includes crossbeam 1 and longeron 2, the crossbeam is mutually perpendicular with the longeron, and longeron 2 installs in the top of crossbeam 1, form L type crane span structure with this, wherein crossbeam 1 adopts square pipe and angle bar to weld the system, and form the ascending U type groove of opening, cable and rubber tube are laid in U type groove, it has cross axle 3 to alternate on crossbeam 1, the one end of cross axle 3 is inserted in crossbeam 1, the other end is connected on the elevating conveyor (not shown), hanger rail dolly 4 is installed to the tip of crossbeam 1, hanger rail dolly 4 and crossbeam 1 rotatable coupling, lay cable and the rubber tube in U type inslot and pass from the hanger rail dolly.

Referring to fig. 2, the positioning plates 101 are welded on two sides of the cross beam 1, a round hole is formed in the center of each positioning plate 101, the cross shaft 3 penetrates through the round holes in the centers of the two positioning plates and is in clearance fit with the round holes, so that the cross beam 1 can rotate around the cross shaft 3, the tail end of the cross shaft 3 is welded with a connecting plate 301, a plurality of round holes are formed in the connecting plate 301, the connecting plate 301 is installed on the head of the reversed loader through high-strength bolts, and the end face of the connecting plate 301 is abutted to the end face.

Referring to fig. 3, the hanger rail cart 4 includes a U-shaped support 401 installed at the end of the beam 1, a cable groove 402 installed in the U-shaped support, and a roller 403 installed on the cable groove, wherein the U-shaped support 401 is rotatably connected to the beam 1 by a bolt, the cable groove 402 is rotatably connected to the U-shaped support 401 by a pin, the roller 403 is rotatably connected to the inner side of the cable groove 403 by an axle, and the roller 403 is clamped on an i-steel hanger rail (not shown).

The utility model discloses the colliery is combined and is adopted working face L type diaxon box to pass the theory of operation of crane span structure as follows: when the coal mining face is pushed forwards, the whole L-shaped bridge is pushed to move forwards by utilizing the self-moving of the reversed loader and the connecting plate 301, when the roadway bottom plate is greatly fluctuated, one end of the L-shaped bridge rotates around the transverse shaft, the other end of the L-shaped bridge rotates around the pin shaft between the cable groove 402 and the U-shaped support 401, and when the reversed loader head is adjusted left and right, the whole L-shaped bridge rotates around the bolt between the U-shaped support 401 and the cross beam 1. The utility model discloses simple structure, safe performance, low in manufacturing cost are honest and clean, effectual solved combine to adopt laying, hanging, the automatic difficult problem that passes of cable and rubber tube between working face elevating conveyor and the equipment train cable car, stopped cable pressurized and taken place the trouble of electric leakage and short circuit, rubber tube weeping and explosion, ensured colliery workman personal safety, won the time for production.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (7)

1. The utility model provides a coal mine is combined and is adopted working face L type diaxon box and passes crane span structure which characterized in that, coal mine is combined and is adopted working face L type diaxon box and pass the crane span structure and include crossbeam (1) and longeron (2), crossbeam and longeron mutually perpendicular, and longeron (2) install in the top of crossbeam (1), forms L type crane span structure with this, wherein crossbeam (1) adopts square pipe and angle bar to weld and make to form the ascending U type groove of opening, cable and rubber tube are laid in the U type groove, cross axle (3) have been worn to insert on crossbeam (1), the one end of cross axle (3) is inserted in crossbeam (1), the other end is connected on the elevating conveyor, hanger rail dolly (4) is installed to the tip of crossbeam (1), hanger rail dolly (4) and crossbeam (1) rotatable coupling, cable and the rubber tube of laying in U type groove pass from the hanger rail dolly.

2. The L-shaped two-shaft box type pushing bridge frame for the coal mine fully mechanized mining face according to claim 1, wherein positioning plates (101) are welded to two sides of the cross beam (1), a circular hole is formed in the center of each positioning plate (101), and the cross shaft (3) penetrates through the circular holes in the centers of the two positioning plates and is in clearance fit with the circular holes, so that the cross beam (1) can rotate around the cross shaft (3).

3. The L-shaped two-shaft box type pushing bridge frame for the coal mine fully mechanized mining face according to claim 1, wherein a connecting plate (301) is welded at the tail end of the transverse shaft (3), a plurality of round holes are formed in the connecting plate (301), the connecting plate (301) is mounted on a machine head of a reversed loader through high-strength bolts, and the end face of the connecting plate (301) is abutted to the end face of the longitudinal beam (2).

4. The L-shaped two-shaft box type pushing bridge frame for the coal mine fully mechanized mining face of claim 1, wherein the hanger rail trolley (4) comprises a U-shaped support (401) arranged at the tail end of the cross beam (1), a cable groove (402) arranged in the U-shaped support, and a roller (403) arranged on the cable groove.

5. The L-shaped two-shaft box type pushing bridge frame for the coal mine fully mechanized mining face of claim 4, wherein the U-shaped support (401) is rotatably connected to the cross beam (1) through a bolt.

6. The L-shaped two-shaft box type pushing bridge frame for the coal mine fully mechanized mining face of claim 4, wherein the cable groove (402) is rotatably connected with the U-shaped support (401) through a pin shaft.

7. The L-shaped two-shaft box-type pushing bridge frame for the coal mine fully mechanized mining face of claim 4, wherein the rollers (403) are rotatably connected to the inner side of the cable groove (402) through axles.

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