CN112943280B - Tunneling device for coal mining - Google Patents
Tunneling device for coal mining Download PDFInfo
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- CN112943280B CN112943280B CN202110158645.8A CN202110158645A CN112943280B CN 112943280 B CN112943280 B CN 112943280B CN 202110158645 A CN202110158645 A CN 202110158645A CN 112943280 B CN112943280 B CN 112943280B
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- 230000005641 tunneling Effects 0.000 title claims abstract description 27
- 239000003245 coal Substances 0.000 title claims abstract description 18
- 238000005065 mining Methods 0.000 title claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 87
- 239000002184 metal Substances 0.000 claims abstract description 51
- 238000005520 cutting process Methods 0.000 claims abstract description 36
- 230000007246 mechanism Effects 0.000 claims abstract description 33
- 230000000694 effects Effects 0.000 claims abstract description 32
- 238000001125 extrusion Methods 0.000 claims abstract description 26
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 11
- 230000000670 limiting effect Effects 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims 1
- 239000011435 rock Substances 0.000 abstract description 20
- 238000000034 method Methods 0.000 abstract description 15
- 230000009471 action Effects 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 8
- 230000003139 buffering effect Effects 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 3
- 239000012634 fragment Substances 0.000 description 7
- 239000012528 membrane Substances 0.000 description 5
- 244000309464 bull Species 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000000498 cooling water Substances 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D9/00—Tunnels or galleries, with or without linings; Methods or apparatus for making thereof; Layout of tunnels or galleries
- E21D9/10—Making by using boring or cutting machines
- E21D9/1006—Making by using boring or cutting machines with rotary cutting tools
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Crushing And Grinding (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a tunneling device for coal mine exploitation, which comprises a tunneling machine body, wherein the tunneling machine body comprises a movable seat, the movable seat is rotatably arranged on the tunneling machine body, a plurality of driving wheels are arranged on two sides of the tunneling machine body, a crawler belt is arranged on the outer wall of each driving wheel, a cutting mechanism is rotatably arranged on the movable seat, the cutting mechanism comprises a movable frame, the movable frame is rotatably arranged at one end of the movable seat, a rotating rod is fixedly arranged at one end of the movable frame, and a cutting head is fixedly arranged on the rotating rod; compared with the prior art, the extrusion spring inside the fixed sleeve can play a role in buffering when the metal rod collides with rock, abrasion of the crushing head can be reduced, water inside the water inlet cavity can be conveyed into the water discharge cavity under the action of centrifugal force in the retraction process of the metal rod, then the metal rod can be reset under the action of the extrusion spring, water is discharged from the water outlet, and the water is rapidly sprayed on the surface of the crushing head, so that the water cooling device has a better cooling effect.
Description
Technical Field
The invention relates to the technical field of coal mining, in particular to a tunneling device for coal mining.
Background
A heading machine is a machine for cutting a roadway on straight ground. The types of heading machines are as follows: the method comprises the steps of dividing the working object into a common machine and a tunnel boring machine; the working modes include an open type heading machine and a shield type heading machine, and the working modes are as follows: mainly comprises a travelling mechanism, a working mechanism, a loading mechanism and a transferring mechanism. As the travelling mechanism advances, the cutting head in the working mechanism breaks the rock and carries away the broken rock. The coal mine tunneling device has the advantages of safety, high efficiency, good roadway forming quality and the like, is large in manufacturing cost, complex in structure and large in loss, the tunneling machine needs to be cooled in the cutting and crushing process, but cannot directly spray water to cool the cutting head in the working process of the tunneling machine, the additional nozzle arranged on the cutting head often causes damage to parts of sealing water due to overlarge radial force in the cutting process, cooling water leaks, cooling water cannot be continuously cooled on the cutting head, and the service life of other parts is shortened due to overlarge temperature in the working process.
Disclosure of Invention
The invention aims to provide a tunneling device for coal mine exploitation, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a tunneling device for coal mining, includes the entry driving machine body, the entry driving machine body includes the movable seat, the movable seat rotates and sets up on the entry driving machine body, a plurality of drive wheels have been installed to the entry driving machine body both sides, and are equipped with the track on the drive wheel outer wall, and the drive wheel rotates, drives the track and rotates, makes the entry driving machine body forward propulsion, it is equipped with cutting mechanism to rotate on the movable seat, cutting mechanism includes the movable frame, the movable frame rotates and sets up in movable seat one end, movable frame one end fixed mounting has the bull stick, and fixed mounting has the cutting head on the bull stick, cutting head fixed surface installs a plurality of broken heads, the water storage chamber has been seted up to the cutting head inside, and the water of water storage intracavity can be carried to the inlet chamber through the inlet tube.
Preferably, the crushing head comprises a connecting rod, connecting rod fixed mounting is on the cutting head surface, the inlet tube has been seted up to the connecting rod is inside, inlet tube and water storage chamber fixed connection, the inside movable chamber of having seted up of crushing head, movable intracavity activity is inserted and is equipped with the metal pole, it is equipped with a pair of swing piece to rotate on the metal pole, the swing piece has elasticity, set up the V-arrangement groove on the swing piece, and V-arrangement inslot fixedly connected with elastic plate, swing piece one end fixedly connected with elastic rod, fixedly be equipped with vibration mechanism on the movable chamber lateral wall, movable chamber fixedly connected with has the fixed plate, the metal pole activity is inserted and is established on the fixed plate, movable chamber inner wall bottom fixedly connected with fixed sleeve, the metal pole activity is inserted and is established in fixed sleeve, fixed sleeve internal fixed mounting has the extrusion spring, and extrusion spring one end and metal pole fixed connection, in the in-process of cutting broken to rock etc. the higher rock can produce inwards the power to the metal pole, makes the metal pole inwards retract one end distance, and fixed sleeve inside extrusion spring's effect reduces the impact resistance and the impact head that can reduce the broken, and the life of broken head.
Preferably, the vibration mechanism comprises a vibration film, the vibration film is uniformly arranged on the inner wall of the movable cavity, the elastic rod abuts against the surface of the vibration film, a vibration cavity is formed in the vibration film, a plurality of vibration springs are fixedly connected in the vibration cavity, movable balls are fixedly connected between the vibration springs, and when the elastic rod collides with the vibration film, the vibration springs and the movable balls can amplify vibration effects.
Preferably, the metal pole bottom both sides fixedly connected with a pair of first arc pole, fixedly connected with second arc pole on the first arc pole, second arc pole one end fixedly connected with is in activity intracavity wall bottom, second arc pole one end fixedly connected with carousel, fixedly connected with a plurality of tooth on the carousel lateral wall, the carousel bottom is equipped with cooling body, at the in-process that the metal pole was retracted, can drive first arc pole and take place deformation to make second arc pole deformation, can drive the carousel outside and remove.
Preferably, the cooling mechanism comprises a movable plate, fixedly connected with a plurality of engaging teeth on the movable plate, the engaging teeth intermeshing on movable plate and the carousel, movable plate one end fixedly connected with piston plate, a pair of inlet port has been seted up to broken head inside, inlet port one end fixedly connected with connecting tube, connecting tube one end fixedly connected with is in inlet tube lateral wall bottom, the inlet port bottom is equipped with the drainage chamber, fixedly connected with closing plate between inlet port and the drainage chamber, be equipped with the sliding chamber in the closing plate, the piston plate activity is inserted and is established in the sliding chamber, first inlet port has been seted up on the piston plate, second inlet port has been seted up on the closing plate, and the carousel can drive the movable plate and inwards move, can make piston plate outwards move, makes first inlet port and second inlet port run through, and the inside can carry to the drainage intracavity under the effect of centrifugal force, then after the extrusion from the inlet tube lateral wall bottom, the metal pole can reset under the effect of extrusion spring, and first pole and second pole can reset with the arc-shaped water intake rod, and arc-shaped water intake rod can all be isolated with the arc-shaped rock.
Preferably, the inside slip of drainage chamber is equipped with the stripper plate, stripper plate both ends fixedly connected with sealing block, the outlet has been seted up to drainage chamber bottom, and outlet bottom fixedly connected with restriction block, and through stripper plate outside motion, extrude the inside water of drainage chamber, make water discharge from outlet, and be equipped with restriction block on the outlet, rivers can be converted into water smoke, spray on broken head surface fast.
Preferably, a pair of articulated rods are hinged at two ends of the middle part of the metal rod, one end of the articulated sliding rod is fixedly connected with a limiting mechanism, and the metal rod can reset to drive the articulated rods to move.
Preferably, the stop gear includes the gag lever post, the gag lever post activity is inserted and is established on drainage chamber one end lateral wall, a pair of atmospheric pressure chamber has been seted up to the gag lever post inside, atmospheric pressure chamber inner wall bottom fixedly connected with reset spring, reset spring one end fixedly connected with slide, fixedly connected with a plurality of dead levers on the slide, the dead lever runs through atmospheric pressure chamber outer wall and fixedly connected with rubber block, fixedly connected with a plurality of barbs on the rubber block, the air inlet has been seted up to gag lever post one end, air inlet one end fixedly connected with a pair of gas-supply pipe, gas-supply pipe one end fixedly connected with is on the atmospheric pressure chamber lateral wall, at the in-process of metal pole inwards moving, the stripper plate can inwards move under the effect of metal pole, and the inside cavity of drainage chamber can be through the intake pipe entering and carry to the atmospheric pressure intracavity, can promote the slide outwards removal, can drive the dead lever outwards movement, makes the rubber block card establish in the spacing effect can be played.
Compared with the prior art, the invention has the beneficial effects that:
1. the extrusion spring in the fixed sleeve can play a role in buffering when the metal rod collides with rock, so that the impact force between the crushing head and the rock is slowed down, the abrasion of the crushing head can be reduced, the service life is prolonged, and the economic benefit is better;
2. the metal rod can drive the swinging block to rotate, the swinging block can expand to two sides under the action of the elastic plate, the elastic rod can hit the vibrating membrane, the vibrating spring can be driven to move, the movable ball starts to move, vibration can be amplified, the crushing head has a better crushing effect, and the working efficiency of the tunneling device can be improved;
3. the metal rod is reset and retracted, the first arc-shaped rod and the second arc-shaped rod can be driven to deform, the turntable can be driven to rotate, the movable plates which are meshed with each other move inwards, the piston plates move outwards, the first water inlet hole and the second water inlet hole penetrate, water in the water inlet cavity can be conveyed into the water outlet cavity under the action of centrifugal force, then after extrusion from rocks disappears, the metal rod can be reset under the action of the extrusion spring, the extrusion plates can move outwards, the water in the water outlet cavity is extruded, the water is discharged from the water outlet, the water outlet is provided with the flow limiting block, the water flow can be converted into water mist and rapidly sprayed on the surface of the crushing head, and the crushing head has a better cooling effect;
4. the metal rod is reset and retracted, the swinging block is subjected to force of inward extrusion, the swinging block can be reset slowly, the elastic rod can collide with the vibrating membrane, the vibrating effect is amplified through the vibrating spring and the movable ball, rock fragments on the surface of the crushing head are shaken off, a part of water mist is prevented from being absorbed by the rock fragments and the like, and the cooling mechanism has a better cooling effect.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view in partial cross-section of a cutting head of the present invention;
FIG. 3 is a schematic cross-sectional view of a crushing head according to the invention;
FIG. 4 is an enlarged schematic view of a portion of FIG. 3A according to the present invention;
FIG. 5 is an enlarged schematic view of a portion of the invention at B in FIG. 3;
FIG. 6 is an enlarged schematic cross-sectional view of the spacing mechanism of the present invention;
in the figure: 1. a heading machine body; 2. a cutting mechanism; 3. a crushing head; 4. a cooling mechanism; 5. a vibration mechanism; 6. a limiting mechanism; 11. a movable seat; 12. a track; 21. a movable frame; 22. a cutting head; 31. a metal rod; 311. a swinging block; 312. an elastic plate; 313. an elastic rod; 32. a movable cavity; 33. a water inlet cavity; 331. a connecting pipe; 34. a connecting rod; 35. a water inlet pipe; 36. a fixed sleeve; 37. a turntable; 371. a first arcuate lever; 372. a second arcuate lever; 38. a drainage cavity; 381. an extrusion plate; 41. a movable plate; 42. a piston plate; 421. a first water inlet hole; 43. a sealing plate; 431. a second water inlet hole; 51. a vibrating membrane; 52. a vibration cavity; 53. a movable ball; 54. a vibration spring; 61. a limit rod; 611. an air pressure chamber; 62. a slide plate; 63. a fixed rod; 631. a rubber block; 64. an air inlet; 641. a gas pipe; 65. and a return spring.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a tunneling device for coal mining, including tunneling machine body 1, tunneling machine body 1 includes movable seat 11, movable seat 11 rotates to set up on tunneling machine body 1, a plurality of drive wheels have been installed to tunneling machine body 1 both sides, and be equipped with track 12 on the drive wheel outer wall, the drive wheel rotates, it rotates to drive track 12, make tunneling machine body 1 advance, it is equipped with cutting mechanism 2 to rotate on the movable seat 11, cutting mechanism 2 includes movable frame 21, movable frame 21 rotates to set up in movable seat 11 one end, movable frame 21 one end fixed mounting has the bull stick, and fixed mounting has cutting head 22 on the bull stick, cutting head 22 fixed surface installs a plurality of broken heads 3, the water storage chamber has been seted up to the inside water of cutting head 22, the inside water of water storage chamber can be carried to the inlet chamber 33 through inlet tube 35.
The crushing head 3 includes connecting rod 34, connecting rod 34 fixed mounting is on the cutting head 22 surface, the inlet tube 35 has been seted up to connecting rod 34 inside, inlet tube 35 and water storage chamber fixed connection, movable chamber 32 has been seted up to the inside activity of crushing head 3, movable chamber 32 internal activity is inserted and is equipped with metal pole 31, it is equipped with a pair of swing piece 311 to rotate on the metal pole 31, swing piece 311 has elasticity, the V-arrangement groove has been seted up on the swing piece 311, and V-arrangement inslot fixedly connected with elastic plate 312, swing piece 311 one end fixedly connected with elastic rod 313, fixedly equipped with vibration mechanism 5 on the movable chamber 32 lateral wall, fixedly connected with fixed plate between movable chamber 32, metal pole 31 activity is inserted and is established on the fixed plate, movable chamber 32 inner wall bottom fixedly connected with fixed sleeve 36, metal pole 31 activity is inserted and is established in fixed sleeve 36, fixed sleeve 36 internal fixedly mounted has the extrusion spring, and extrusion spring one end and metal pole 31 fixed connection, in the in-process of cutting the crushing to rock etc. higher rock can produce inwards force to metal pole 31, make metal pole 31 retract one end distance inwards, the extrusion spring inside fixed sleeve 36 can play a role in buffering reduction of the impact head 3, the wear life of the crushing head can be prolonged.
The vibration mechanism 5 comprises a vibration film 51, the vibration film 51 is uniformly arranged on the inner wall of the movable cavity 32, the elastic rod 313 is abutted against the surface of the vibration film 51, a vibration cavity 52 is formed in the vibration film 51, a plurality of vibration springs 54 are fixedly connected in the vibration cavity 52, movable balls 53 are fixedly connected between the vibration springs 54, and when the elastic rod 313 can collide with the vibration film 51, the vibration springs 54 and the movable balls 53 can amplify vibration effects.
The metal pole 31 bottom both sides fixedly connected with a pair of first arc pole 371, fixedly connected with second arc pole 372 on the first arc pole 371, second arc pole 372 one end fixed connection is in movable cavity 32 inner wall bottom, second arc pole 372 one end fixedly connected with carousel 37, fixedly connected with a plurality of tooth on the carousel 37 lateral wall, carousel 37 bottom is equipped with cooling body 4, at the in-process that metal pole 31 retracted, can drive first arc pole 371 and take place deformation to make second arc pole 372 deformation, can drive carousel 37 and move to the outside.
The cooling mechanism 4 comprises a movable plate 41, a plurality of engaging teeth are fixedly connected to the movable plate 41, the movable plate 41 is meshed with the engaging teeth on the rotary table 37, one end of the movable plate 41 is fixedly connected with a piston plate 42, a pair of water inlet cavities 33 are formed in the crushing head 3, one end of each water inlet cavity 33 is fixedly connected with a connecting pipeline 331, one end of each connecting pipeline 331 is fixedly connected to the bottom of the side wall of the water inlet pipe 35, a water draining cavity 38 is formed in the bottom of each water inlet cavity 33, a sealing plate 43 is fixedly connected between each water inlet cavity 33 and each water draining cavity 38, a sliding cavity is formed in each sealing plate 43, the piston plate 42 is movably inserted into each sliding cavity, a first water inlet hole 421 is formed in each piston plate 42, a second water inlet hole 431 is formed in each sealing plate 43, the rotary table 37 can drive the movable plate 41 to move inwards, the piston plate 42 can move outwards, the first water inlet holes 421 and the second water inlet holes 431 penetrate, water in the water inlet cavities 33 can be conveyed into the water draining cavities 38 under the action of centrifugal force, then after extrusion from the water inlet cavities 33 disappears, the metal rods 31 can reset under the action of the compression springs, the first rods 372 and the second rods 372 can retract into the arc-shaped water draining cavities 38, and the arc-shaped water inlet cavities 33 can be isolated from the arc-shaped cavities.
The inside slip of drainage cavity 38 is equipped with extrusion plate 381, and extrusion plate 381 both ends fixedly connected with sealing block, and the outlet has been seted up to drainage cavity 38 bottom, and outlet bottom fixedly connected with restriction block, and through extrusion plate 381 outside motion, extrude the inside water of drainage cavity 38, make water discharge from the outlet, and be equipped with restriction block on the outlet, rivers can be converted into water smoke, spray at broken head 3 surface fast.
A pair of articulated rods are hinged at two ends of the middle part of the metal rod 31, one end of the articulated slide rod is fixedly connected with a limiting mechanism 6, and the metal rod 31 can reset to drive the articulated rods to move.
The stop gear 6 includes stop lever 61, stop lever 61 activity is inserted and is established on drainage chamber 38 one end lateral wall, a pair of atmospheric pressure chamber 611 has been seted up to the inside of stop lever 61, atmospheric pressure chamber 611 inner wall bottom fixedly connected with reset spring 65, reset spring 65 one end fixedly connected with slide 62, fixedly connected with a plurality of dead levers 63 on slide 62, dead lever 63 runs through atmospheric pressure chamber 611 outer wall and fixedly connected with rubber piece 631, fixedly connected with a plurality of barbs on the rubber piece 631, air inlet 64 has been seted up to stop lever 61 one end, air inlet 64 one end fixedly connected with a pair of gas-supply pipe 641, gas-supply pipe 641 one end fixedly connected on atmospheric pressure chamber 611 lateral wall, at the in-process of inwards moving of metal pole 31, the stripper plate 381 can inwards move under the effect of metal pole 31, drainage chamber 38 inner chamber can get into through intake pipe 35 and carry to atmospheric pressure chamber 611 in, can promote slide 62 outwards remove, can drive dead lever 63 outwards to move, make rubber piece 631 block set up in the spacing inslot, can play the limiting effect.
Working principle: in the process of mining the coal mine, the driving motor can drive the rotating rod to rotate, so that the cutting head 22 can rotate, the cutting head 22 cuts and breaks the coal mine, meanwhile, the driving wheel rotates to drive the crawler belt 12 to rotate, the heading machine body 1 is pushed forward, in the process of cutting and breaking rocks and the like, rocks with higher hardness can generate inward force on the metal rod 31, the metal rod 31 is retracted inwards by a distance of one end, the extrusion spring in the fixed sleeve 36 can play a role of buffering, the impact force between the breaking head 3 and the rocks is relieved, the abrasion of the breaking head 3 can be reduced, the service life is prolonged, the economic benefit is better, meanwhile, in the process of retracting the metal rod 31, the first arc-shaped rod 371 can be driven to deform, so that the second arc-shaped rod 372 deforms, the turntable 37 can be driven to move outwards, the intermeshing movable plate 41 moves inwards, the piston plate 42 can be moved outwards, the first water inlet 421 and the second water inlet 431 can penetrate, water in the water inlet cavity 33 can be conveyed into the water outlet cavity 38 under the action of centrifugal force, in the process that the metal rod 31 moves inwards, the pressing plate 381 can move inwards under the action of the metal rod 31, the inner cavity of the water outlet cavity 38 can enter and be conveyed into the air pressure cavity 611 through the air inlet pipe 35, the sliding plate 62 can be pushed to move outwards, the fixing rod 63 can be driven to move outwards, the rubber block 631 is clamped in the limiting groove, the metal rod 31 can drive the swinging block 311 to rotate, the swinging block 311 can expand towards two sides under the action of the elastic plate 312, the elastic rod 313 can hit the vibrating membrane 51, the vibrating spring 54 can be driven to move, the movable ball 53 starts to move, vibration can be amplified, the crushing head 3 has a better crushing effect, then after the extrusion from rock disappears, the metal rod 31 can reset under the effect of the extrusion spring, the first arc rod 371 and the second arc rod 372 can both reset, the piston plate 42 can retract, the water inlet cavity 33 and the water discharge cavity 38 are isolated, meanwhile, the swinging block 311 is subjected to inward extrusion force, the swinging block 311 can be slowly reset, the elastic rod 313 can collide with the vibrating membrane 51, the vibration effect is amplified through the vibration spring 54 and the movable ball 53, rock fragments on the surface of the crushing head 3 are shaken off, the rubber block 631 is subjected to the retraction air pressure cavity 611 with the inward movement of the limiting rod 61, the limiting rod 61 can move outwards, the extrusion plate 381 is driven to move outwards, water in the water discharge cavity 38 is extruded, the water is discharged from the water discharge port, the water discharge port is provided with the current limiting block, the water flow can be converted into water mist, the water mist is rapidly sprayed on the surface of the crushing head 3, the fragments on the surface of the crushing head 3 are shaken off, the crushing head 3 can be directly cooled, the rock fragments and the like are not absorbed by the fragments, and a part of the rock fragments and the like have better cooling effect.
Although embodiments of the present invention 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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a tunneling device for coal mining, includes entry driving machine body (1), its characterized in that: the development machine body (1) comprises a movable seat (11), the movable seat (11) is rotatably arranged on the development machine body (1), a plurality of driving wheels are arranged on two sides of the development machine body (1), a crawler belt (12) is arranged on the outer wall of each driving wheel, a cutting mechanism (2) is rotatably arranged on the movable seat (11), the cutting mechanism (2) comprises a movable frame (21), the movable frame (21) is rotatably arranged at one end of the movable seat (11), a rotating rod is fixedly arranged at one end of the movable frame (21), a cutting head (22) is fixedly arranged on the rotating rod, a plurality of crushing heads (3) are fixedly arranged on the surface of the cutting head (22), and a water storage cavity is formed in the cutting head (22).
The utility model provides a crushing head (3) including connecting rod (34), connecting rod (34) fixed mounting is on cutting head (22) surface, inlet tube (35) have been seted up to connecting rod (34) inside, inlet tube (35) and water storage chamber fixed connection, movable chamber (32) have been seted up to crushing head (3) inside, movable chamber (32) inner wall bottom fixedly connected with fixed sleeve (36) have been inserted to the activity, it is equipped with a pair of swing piece (311) to rotate on metal rod (31), swing piece (311) have elasticity, set up the V-arrangement groove on swing piece (311), and V-arrangement inslot fixedly connected with elastic plate (312), swing piece (311) one end fixedly connected with elastic rod (313), be fixedly equipped with vibration mechanism (5) on movable chamber (32) lateral wall, fixedly connected with fixed plate between movable chamber (32), metal rod (31) activity are inserted on the fixed plate, fixed sleeve (36) are fixed to inner wall bottom fixedly connected with fixed sleeve (36), metal rod (31) activity are inserted and are established at fixed sleeve (36), fixed sleeve (36) and extrusion spring (31) are installed to one end fixedly.
2. A tunneling apparatus for coal mining according to claim 1 wherein: the vibration mechanism (5) comprises a vibration film (51), the vibration film (51) is uniformly arranged on the inner wall of the movable cavity (32), the elastic rod (313) is abutted against the surface of the vibration film (51), a vibration cavity (52) is formed in the vibration film (51), a plurality of vibration springs (54) are fixedly connected in the vibration cavity (52), and movable balls (53) are fixedly connected between the vibration springs (54).
3. A tunneling apparatus for coal mining according to claim 1 wherein: the novel metal arc welding machine comprises a metal rod (31), a pair of first arc rods (371) fixedly connected to two sides of the bottom of the metal rod, a second arc rod (372) fixedly connected to the first arc rod (371), one end of the second arc rod (372) is fixedly connected to the bottom of the inner wall of a movable cavity (32), a turntable (37) is fixedly connected to one end of the second arc rod (372), a plurality of meshing teeth are fixedly connected to the side wall of the turntable (37), and a cooling mechanism (4) is arranged at the bottom of the turntable (37).
4. A tunneling apparatus for coal mining according to claim 3 wherein: the cooling mechanism (4) comprises a movable plate (41), a plurality of meshing teeth are fixedly connected to the movable plate (41), the movable plate (41) is meshed with the meshing teeth on the rotary table (37), one end of the movable plate (41) is fixedly connected with a piston plate (42), a pair of water inlet cavities (33) are formed in the crushing head (3), one end of each water inlet cavity (33) is fixedly connected with a connecting pipeline (331), one end of each connecting pipeline (331) is fixedly connected to the bottom of the side wall of the water inlet pipe (35), a water drainage cavity (38) is formed in the bottom of each water inlet cavity (33), a sealing plate (43) is fixedly connected between each water inlet cavity (33) and each water drainage cavity (38), a sliding cavity is formed in each sealing plate (43), the piston plate (42) is movably inserted into each sliding cavity, a first water inlet hole (421) is formed in each piston plate (42), and a second water inlet hole (431) is formed in each sealing plate (43).
5. A tunneling apparatus for coal mining according to claim 4 and wherein: the inside slip of drainage chamber (38) is equipped with stripper plate (381), stripper plate (381) both ends fixedly connected with sealing block, the outlet has been seted up to drainage chamber (38) bottom, and outlet bottom fixedly connected with restriction block.
6. A tunneling apparatus for coal mining according to claim 1 wherein: the two ends of the middle part of the metal rod (31) are hinged with a pair of hinged rods, and one end of each hinged sliding rod is fixedly connected with a limiting mechanism (6).
7. The tunneling device for coal mining according to claim 6, wherein: stop gear (6) are including gag lever post (61), gag lever post (61) activity is inserted and is established on drainage chamber (38) one end lateral wall, a pair of pneumatic chamber (611) have been seted up to gag lever post (61) inside, pneumatic chamber (611) inner wall bottom fixedly connected with reset spring (65), reset spring (65) one end fixedly connected with slide (62), fixedly connected with a plurality of dead levers (63) on slide (62), dead lever (63) run through pneumatic chamber (611) outer wall and fixedly connected with rubber piece (631), a plurality of barbs of fixedly connected with on rubber piece (631), air inlet (64) have been seted up to gag lever post (61) one end, a pair of gas-supply pipe (641) of air inlet (64) one end fixedly connected with, gas-supply pipe (641) one end fixedly connected with is on pneumatic chamber (611) lateral wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110158645.8A CN112943280B (en) | 2021-02-05 | 2021-02-05 | Tunneling device for coal mining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110158645.8A CN112943280B (en) | 2021-02-05 | 2021-02-05 | Tunneling device for coal mining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112943280A CN112943280A (en) | 2021-06-11 |
| CN112943280B true CN112943280B (en) | 2023-04-25 |
Family
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| CN114367370A (en) * | 2021-12-27 | 2022-04-19 | 江苏淮洋建筑材料有限公司 | Self-switching impact pretreatment type waste crusher for construction engineering |
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| CN100532784C (en) * | 2007-03-13 | 2009-08-26 | 郝忠文 | Driving head for entry-driving machine |
| CN109555533A (en) * | 2019-01-16 | 2019-04-02 | 滕州市金达煤炭有限责任公司 | A kind of coal mining boom-type roadheader |
| CN210768772U (en) * | 2019-07-26 | 2020-06-16 | 朱兆增 | Crushing device for coal mining |
| CN210422630U (en) * | 2019-09-11 | 2020-04-28 | 河南理工大学 | Entry driving machine with broken cutting head that splashes is prevented to rubble |
| CN210919043U (en) * | 2019-10-22 | 2020-07-03 | 闫志利 | Cutting head for coal mine development machine |
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| CN113482649A (en) * | 2021-02-18 | 2021-10-08 | 杭州正昇安全科技有限公司 | Cutting head for heading machine and heading machine |
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