CN211448675U - Novel coal mine drum shearer - Google Patents

Abstract

The utility model discloses a novel coal mine roller coal mining machine, the structure of which comprises a bottom bracket, a connecting shaft, a rocker arm, a fixed rotating shaft, a cylinder, a double-shaft motor, a left-handed rotary drum, a right-handed rotary drum and a slide rail mechanism, the slide rail mechanism is arranged at the bottom of the bottom bracket, two fixed plates and two movable plates are arranged inside the slide rail mechanism, pulleys are arranged at the bottoms of the fixed plates and the movable plates, lead screws are connected with the left ends and the right ends of the movable plates, the front ends of the two lead screws are respectively connected with a rotating box, when the coal mining machine is installed, the slide rail mechanism is placed on the slide rail, the two lead screws are driven to simultaneously rotate by rotating a knob at the front end of the rotating box, the movable plates are controlled to move by the lead screws, the slide rail is clamped by the pulleys at the bottoms of the fixed plates, and the sliding effect is increased by the pulley.

Description

Novel coal mine drum shearer

Technical Field

The utility model relates to a coal mining technical field, concretely relates to novel coal mine drum shearer.

Background

The coal mining machine is one of important devices for realizing mechanization and modernization of coal mine production, the mechanical coal mining can reduce physical labor, improve safety and achieve the purposes of high yield, high efficiency and low consumption, the drum coal mining machine integrates the successful experience of the thin coal seam coal mining machine at home and abroad, and is a novel high-power thin coal seam coal mining machine designed aiming at the specific national conditions of China, and the coal mine is usually mined by utilizing the cooperation of a drum and a crushing head on the surface of the drum during the use process of the coal mine drum coal mining machine.

The existing roller coal mining machine travels on the sliding rails in a sliding mode, the sliding rails are generally T-shaped, but the rollers are directly placed on the sliding rails at the bottom of the roller coal mining machine, and the rollers are prone to falling off from the sliding rails due to the fact that the roller coal mining machine generates large vibration during operation.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects of the prior art, the novel coal mine roller coal mining machine is provided, and the problem that the roller falls off from the slide rail easily due to the fact that the roller coal mining machine directly places the roller on the slide rail when the roller coal mining machine operates because the roller coal mining machine generates large vibration when the slide rail is generally in a T I shape when the existing roller coal mining machine travels in a sliding mode on the slide rail is solved.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a novel coal mine drum shearer, which comprises a bottom bracket,

the double-shaft motor is used for driving the left-handed rotary drum and the right-handed rotary drum;

the cylinder is used for controlling the swing angles of the left-handed rotary drum and the right-handed rotary drum;

the sliding rail mechanism is used for connecting the bottom bracket with an external sliding rail;

further, two double-shaft motors are arranged;

furthermore, the bottom end of the air cylinder is rotatably connected with the bottom bracket through a rotating shaft.

Further, the end bracket top left and right sides rotates with two rocking arms through the connecting axle respectively and is connected, the cylinder is all installed to the inside left and right sides of end bracket, the cylinder top rotates with the rocking arm through fixed rotating shaft and is connected, double-shaft motor is installed through the bolt on the rocking arm top, and the double-shaft motor of the left and right sides pegs graft with levogyration cylinder and dextrorotation cylinder centre of a circle department respectively each other, end bracket bottom welds with slide rail mechanism each other.

Further, the slide rail mechanism comprises a rotating box, a fixing plate, a first rotating shaft, a first pulley, a polished rod, a movable plate, a second rotating shaft and a second pulley, wherein the fixing plate is welded on the front side and the rear side of the bottom bracket bottom, the rotating box is mutually locked with the fixing plate on the front side through bolts, the fixing plate is in an inverted L shape, the inner side of the bottom end is rotatably connected with the first pulley through the first rotating shaft, the front end and the rear end of the polished rod are respectively locked with the tops of the two fixing plates through the bolts, the polished rod penetrates through the movable plate, the bottom end of the movable plate is rotatably connected with the circle center of the second pulley through the second rotating shaft, and the top ends of the fixing plate and the.

Further, it comprises shell, knob, first lead screw, first belt pulley, belt, second belt pulley and second lead screw to rotate the case, shell front end right side is provided with the knob, the knob rear end is pegged graft each other with first lead screw, first belt pulley is run through to first lead screw outside front end, first belt pulley left side is rotated through the belt and is connected with the second belt pulley, second belt pulley centre of a circle department is pegged graft each other with the second lead screw, first lead screw and second lead screw rear end all run through the fly leaf, and carry out threaded connection with the fly leaf, the shell rear end passes through bolt and fixed plate looks lock solid each other.

Further, the polished rod outer wall is smooth form, and the fly leaf inboard and polished rod laminating.

Furthermore, the first pulley protrudes out of the fixing plate by one centimeter, and the bottom of the first pulley and the bottom of the second pulley are at the same height.

Furthermore, the outer side of the knob is provided with anti-skid grains, and the center of the front end of the knob is provided with an inner hexagonal screw hole.

Furthermore, a shaft seat is arranged at the joint of the first screw rod and the fixed plate, and the threads on the front side and the rear side of the first screw rod and the second screw rod are arranged in a positive and negative tooth manner.

Furthermore, the first pulley and the second pulley are both made of stainless steel materials.

Furthermore, the first screw rod and the second screw rod are made of hard alloy materials.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

in order to solve the problem that the prior roller coal mining machine travels by sliding on a sliding rail which is generally in a T-shaped shape, but the bottom of the roller coal mining machine directly places rollers on the sliding rail, and the rollers are easy to fall off from the sliding rail due to the large vibration generated when the roller coal mining machine operates, the utility model discloses a sliding rail mechanism is arranged at the bottom of a bottom bracket, two fixed plates and two movable plates are arranged in the sliding rail mechanism, pulleys are arranged at the bottom ends of the fixed plates and the movable plates, lead screws are connected with the left end and the right end of the movable plates, the front ends of the two lead screws are respectively connected with a rotating box, when the roller coal mining machine is installed, the sliding rail mechanism is placed on the sliding rail, the two lead screws are driven to rotate simultaneously by rotating a knob at the front end of the rotating box, the movable plates are controlled to move by the lead screws, the fixity of bottom bracket and slide rail connection is increased, and its slip effect is increased through the pulley.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a right side view of the slide rail mechanism structure of the present invention;

FIG. 3 is an enlarged view of a portion of the area A of FIG. 2 according to the present invention;

FIG. 4 is a top sectional view of the internal structure of the rotary box of the present invention;

fig. 5 is a schematic view of the movable plate structure of the present invention.

In the figure: the device comprises a bottom bracket-1, a connecting shaft-2, a rocker-3, a fixed rotating shaft-4, a cylinder-5, a double-shaft motor-6, a left-handed rotating roller-7, a right-handed rotating roller-8, a sliding rail mechanism-9, a rotating box-91, a fixed plate-92, a first rotating shaft-93, a first pulley-94, a polish rod-95, a movable plate-96, a second rotating shaft-97, a second pulley-98, a shell-911, a knob-912, a first screw rod-913, a first belt pulley-914, a belt-915, a second belt pulley-916 and a second screw rod-917.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1, 2, 3, 4 and 5, the present invention provides a novel coal mine shearer: comprises a bottom bracket (1) and a bottom bracket,

the double-shaft motor 6 is used for driving the left-handed rotary drum 7 and the right-handed rotary drum 8 and driving the left-handed rotary drum 7 and the right-handed rotary drum 8 to rotate so as to mine a coal mine;

the air cylinder 5 is used for controlling the swing angles of the left-handed rotary drum 7 and the right-handed rotary drum 8, so that coal at different positions can be conveniently excavated and mined;

the sliding rail mechanism 9 is used for connecting the bottom bracket 1 with an external sliding rail and increasing the connection fixity of the bottom bracket 1 and the sliding rail;

further, two double-shaft motors 6 are arranged to rotate the two left-handed rollers 7 and the two right-handed rollers 8 simultaneously;

further, the bottom end of the air cylinder 5 is rotatably connected with the bottom bracket 1 through a rotating shaft, so that the air cylinder 5 rotates along with the rotating angle of the rocker arm 3.

Further, the 1 top left and right sides of end bracket frame rotates through connecting axle 2 and two rocking arms 3 respectively and is connected, cylinder 5 is all installed to the 1 inside left and right sides of end bracket frame, 5 tops of cylinder rotate through fixed rotating shaft 4 and rocking arm 3 and are connected, the double-shaft motor 6 is installed through the bolt on 3 tops of rocking arm, and the double-shaft motor 6 of the left and right sides respectively with levogyration cylinder 7 and 8 centre of a circle departments of dextrorotation cylinder peg graft each other, 1 bottom of end bracket frame welds each other with slide rail mechanism 9.

Further, the slide rail mechanism 9 is composed of a rotating box 91, a fixed plate 92, a first rotating shaft 93, a first pulley 94, a polish rod 95, a movable plate 96, a second rotating shaft 97 and a second pulley 98, the fixed plate 92 is welded on the front side and the rear side of the bottom end of the bottom bracket 1, the rotating box 91 is locked with the fixed plate 92 on the front side through bolts, the fixed plate 92 is in an inverted L shape, the inner side of the bottom end is rotatably connected with the first pulley 94 through the first rotating shaft 93, the front end and the rear end of the polish rod 95 are respectively locked with the tops of the two fixed plates 92 through bolts, the polish rod 95 penetrates through the movable plate 96, the bottom end of the movable plate 96 is rotatably connected with the circle center of the second pulley 98 through the second rotating shaft 97, and the top end of the fixed plate 92.

Further, the rotating box 91 is composed of a housing 911, a knob 912, a first lead screw 913, a first belt pulley 914, a belt 915, a second belt pulley 916 and a second lead screw 917, the knob 912 is arranged on the right side of the front end of the housing 911, the rear end of the knob 912 is inserted into the first lead screw 913, the front end of the outer side of the first lead screw 913 penetrates through the first belt pulley 914, the left side of the first belt pulley 914 is rotatably connected with the second belt pulley 916 through the belt 915, the circle center of the second belt pulley 916 is inserted into the second lead screw 917, the rear ends of the first lead screw 913 and the second lead screw 917 penetrate through the movable plate 96 and are in threaded connection with the movable plate 96, and the rear end of the housing 911 is locked with the fixing plate 92 through bolts.

Further, the outer wall of the polish rod 95 is smooth, and the inner side of the movable plate 96 is attached to the polish rod 95, which is beneficial to limiting the moving track of the movable plate 96 through the polish rod 95.

Further, the first pulley 94 protrudes from the fixing plate 92 by one centimeter, and the bottom of the first pulley 94 is at the same height as the second pulley 98, which is beneficial to clamping the external sliding rail through the first pulley 94 and the second pulley 98.

Further, the outside of the knob 912 is provided with anti-skid lines, and an inner hexagonal screw hole is formed in the center of the front end of the knob 912, so that the knob 912 can be rotated conveniently.

Further, the connection between the first lead screw 913 and the second lead screw 917 and the fixing plate 92 is provided with a shaft seat, and the threads on the front side and the rear side of the first lead screw 913 and the second lead screw 917 are arranged by positive and negative teeth, so that the first lead screw 913 and the second lead screw 917 can be supported by the shaft seat, and the first lead screw 913 and the second lead screw 917 can be driven to rotate to expand and contract between the two movable plates 96.

Further, the first pulley 94 and the second pulley 98 are made of stainless steel, so that the hardness is high, and the rust is not easy to generate.

Further, the first lead screw 913 and the second lead screw 917 are made of hard alloy, so that the strength is high, the damage is not easy to damage, and the service life of the lead screw is prolonged.

The working principle is as follows: before use, firstly, driving rollers are required to be installed on the left side and the right side of the bottom bracket 1, the bottom bracket 1 and the driving rollers of the device are placed on a sliding rail which needs to be moved and guided, then the knob 912 is rotated, the knob 912 drives the circle center of the first lead screw 913 at the rear end to rotate, the first lead screw 913 drives the first belt pulley 914 at the front end at the outer side to rotate, the first belt pulley 914 drives the second belt pulley 916 to rotate through a belt 915, the second belt pulley 916 drives the circle center of the second lead screw 917 to rotate, so that the first lead screw 913 and the second lead screw 917 rotate, the first lead screw 913 and the second lead screw 917 rotate two movable plates 96 simultaneously, because the threads on the front side and the rear side of the first lead screw 913 and the second lead screw 917 are arranged in a positive and negative arrangement, and the first lead screw 913 and the second lead screw 917 rotate to drive the two movable plates 96 to expand and contract, and because the outer wall of, the inner sides of the movable plates 96 are attached to the polish rod 95, the moving track of the movable plates 96 is limited by the polish rod 95, the two movable plates 96 are contracted by controlling the rotating direction of the knob 912, the inner sides of the two external slide rails are clamped by the second pulleys 98 at the bottom ends of the movable plates 96, the outer sides of the two external slide rails are supported by the first pulleys 94 at the inner sides at the bottom ends of the fixed plates 92, the external slide rails are clamped by the first pulleys 94 and the second pulleys 98 because the slide rails are generally in an I shape, the bottom bracket is prevented from falling off from the slide rails, the fixity of the connection between the bottom bracket and the slide rails is increased, the sliding effect is increased, when the dual-shaft motor is used, the air cylinder 5 is connected with external air supply equipment, the dual-shaft motor 6 is connected with external control equipment with a power supply, and the telescopic rocker arms 3 of the control air cylinder 5 control the positions of the, and the double-shaft motor 6 is controlled to drive the left-handed rotary drum 7 and the right-handed rotary drum 8 to rotate, and the coal mine is mined and excavated through the rotation of the left-handed rotary drum 7 and the right-handed rotary drum 8.

The basic principle and the main characteristics of the utility model and the advantages of the utility model have been shown and described above, and the utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt rivet among the prior art, welding, and machinery, part and equipment all adopt prior art, conventional model, and conventional connection mode in the prior art is adopted in addition to circuit connection, and the details are not repeated here.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

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 (8)

1. The utility model provides a novel coal mine shearer, includes end bracket (1), its characterized in that still includes:

the double-shaft motor (6) is used for driving the left-handed rotary drum (7) and the right-handed rotary drum (8);

the cylinder (5) is used for controlling the swing angle of the left-handed rotary drum (7) and the right-handed rotary drum (8);

the sliding rail mechanism (9) is used for connecting the bottom bracket (1) with an external sliding rail;

wherein two double-shaft motors (6) are arranged;

wherein, the bottom end of the cylinder (5) is rotatably connected with the bottom bracket (1) through a rotating shaft.

2. The novel coal mine shearer loader according to claim 1, wherein: end bracket frame (1) top left and right sides rotates with two rocking arms (3) through connecting axle (2) respectively and is connected, cylinder (5) are all installed to the inside left and right sides of end bracket frame (1), cylinder (5) top is rotated with rocking arm (3) through fixed rotating shaft (4) and is connected, double-shaft motor (6) are installed through the bolt on rocking arm (3) top, and double-shaft motor (6) of the left and right sides locate to peg graft each other with levogyration cylinder (7) and dextrorotation cylinder (8) centre of a circle respectively, end bracket frame (1) bottom welds each other with slide rail mechanism (9).

3. The novel coal mine shearer loader according to claim 2, wherein: the slide rail mechanism (9) consists of a rotating box (91), a fixed plate (92), a first rotating shaft (93), a first pulley (94), a polish rod (95), a movable plate (96), a second rotating shaft (97) and a second pulley (98), the front side and the rear side of the bottom end of the bottom bracket (1) are respectively welded with a fixed plate (92), the rotating box (91) is mutually locked with a fixed plate (92) at the front side through bolts, the fixed plate (92) is in an inverted L shape, and the inner side of the bottom end is rotationally connected with a first pulley (94) through a first rotating shaft (93), the front end and the rear end of the polish rod (95) are respectively locked with the tops of the two fixing plates (92) through bolts, the polished rod (95) penetrates through the movable plate (96), the bottom end of the movable plate (96) is rotatably connected with the circle center of the second pulley (98) through the second rotating shaft (97), and the top end of the fixed plate (92) is welded with the bottom bracket (1).

4. The novel coal mine shearer loader according to claim 3, wherein: the rotating box (91) consists of a shell (911), a knob (912), a first screw rod (913), a first belt pulley (914), a belt (915), a second belt pulley (916) and a second screw rod (917), a knob (912) is arranged on the right side of the front end of the shell (911), the rear end of the knob (912) is inserted into the first screw rod (913), the front end of the outer side of the first screw rod (913) penetrates through a first belt pulley (914), the left side of the first belt pulley (914) is rotatably connected with a second belt pulley (916) through a belt (915), the circle center of the second belt pulley (916) is mutually inserted with the second screw rod (917), the rear ends of the first screw rod (913) and the second screw rod (917) penetrate through the movable plate (96), and is in threaded connection with the movable plate (96), and the rear end of the shell (911) is mutually locked with the fixed plate (92) through bolts.

5. The novel coal mine shearer loader according to claim 3, wherein: the outer wall of the polish rod (95) is smooth, and the inner side of the movable plate (96) is attached to the polish rod (95).

6. The novel coal mine shearer loader according to claim 3, wherein: the first pulley (94) protrudes one centimeter beyond the fixing plate (92), and the bottom of the first pulley (94) and the second pulley (98) are at the same height.

7. The novel coal mine shearer loader according to claim 4, wherein: the outer side of the knob (912) is provided with anti-skid grains, and the center of the front end of the knob (912) is provided with an inner hexagonal screw hole.

8. The novel coal mine shearer loader according to claim 4, wherein: the connection part of the first screw rod (913) and the second screw rod (917) and the fixing plate (92) is provided with a shaft seat, and the threads on the front side and the rear side of the first screw rod (913) and the second screw rod (917) are in positive and negative tooth arrangement.

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