CN115977629A - Shock absorption device of coal mine fully-mechanized excavating machine - Google Patents
Shock absorption device of coal mine fully-mechanized excavating machine Download PDFInfo
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- CN115977629A CN115977629A CN202310111852.7A CN202310111852A CN115977629A CN 115977629 A CN115977629 A CN 115977629A CN 202310111852 A CN202310111852 A CN 202310111852A CN 115977629 A CN115977629 A CN 115977629A
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Abstract
The utility model relates to a coal mine is combined and is dug quick-witted damping device, belong to the coal mining field, through setting up damper, when making coupling mechanism and damper install to the main shaft of cutterhead, the second spring in a plurality of drums can reduce the cutterhead and combine the effort between the quick-witted fixing base of digging, and simultaneously, the change of distance can arouse the change of drum internal gas pressure between two pistons, when two pistons are close to, the air can get into the inside of drum through tiny first gas pocket and second gas pocket, this process can reduce the cutterhead equally and combine the effort between the quick-witted fixing base of digging, reduce the range of rocking between the two, good cushioning effect is played, and damper not only can play the cushioning effect, can also cooperate coupling mechanism to install the both sides of combining quick-witted hoist frame bottom, when making to combine the quick-witted slope in the hoist and mount transportation, a plurality of iron flabellums on the drum can slide, adjust the holistic balance of hoist frame, promote the stability of transportation, and functional strong.
Description
Technical Field
The invention relates to a shock absorption device of a fully-mechanized coal mining machine, and belongs to the field of coal mining.
Background
The comprehensive mechanical tunneling machine is comprehensive mechanical equipment integrating multiple functions of tunneling, rock loading, coal transporting, even supporting and nailing, generally increases the tunneling progress by more than 30 times compared with a tunneling process of drilling and blasting after comprehensive mechanical tunneling, and is only suitable for all-coal roadways due to the restriction of cutting tooth steel.
At present, most light and small-sized roadheader need use damping device to combine the roadheader to fix in the tunnel in the use, when having increased the effort of light and small-sized entry driving machine to the tunnel bottom surface, can reduce vibrations and the noise of light and small-sized entry driving machine when tunnelling or exploitation effectively, but current damping device can only carry out the shock attenuation to the whole machine of combining the roadheader mostly, and carry out the shock attenuation to constantly working and the biggest cutterhead of vibration amplitude, thereby influence the shock attenuation effect of each whole device, the shock attenuation effect is poor.
For example: the invention discloses a damping device of a coal mine fully-mechanized excavating machine, which is disclosed in a Chinese patent/utility model patent (application number: CN 201922406640.3), and the specification thereof discloses: the cutting head does not perform damping treatment, so that the damping effect of the whole device is general; the above patent can confirm the defects of the prior art.
Therefore, the coal mine fully-mechanized excavating machine is improved, and the shock absorption device of the coal mine fully-mechanized excavating machine is provided.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the existing damping device can only damp the whole roadheader and does not damp the cutting head which continuously works and has the largest vibration amplitude, so that the damping effect of each whole device is influenced, and the damping effect is poor.
(II) technical scheme
In order to achieve the purpose, the invention provides a damping device of a coal mine roadheader, which comprises two connecting mechanisms and a plurality of damping mechanisms arranged between the two connecting mechanisms, wherein each damping mechanism comprises a damping part arranged between the two connecting mechanisms and a plurality of dust-proof radiating parts arranged on the damping parts, each damping part comprises a cylinder, movable rods are respectively and alternately inserted and connected at the top end and the bottom end inside the cylinder, the end parts of the two movable rods are respectively and fixedly connected with a piston, a second spring positioned inside the cylinder is arranged between the two pistons, and the second springs in the cylinders can reduce the acting force between a cutting head and a roadheader fixing seat when the connecting mechanisms and the damping mechanisms are arranged on a main shaft of the cutting head through the arrangement of the damping mechanisms, simultaneously, the change of distance between two pistons can arouse the change of drum internal gas pressure, when two pistons were close to, the air can get into the inside of drum through tiny first gas pocket and second gas pocket, this process can reduce the cutterhead equally and combine the effort between the quick-witted fixing base of digging, reduce the range of rocking between the two, play good cushioning effect, and damper not only can play the cushioning effect, can also cooperate coupling mechanism to install in the both sides of combining the quick-witted hoisting frame bottom of digging, when making to combine the machine of digging taking place the slope in the hoist and mount transportation, a plurality of iron system flabellums on the drum can slide, adjust the holistic balance of hoisting frame, promote the stability of transportation, and is functional strong.
The connecting mechanism comprises a connecting portion and a plurality of driving portions arranged on the connecting portion, the connecting portion comprises two arc-shaped frames and two connecting rods, the four connecting rods are symmetrically arranged between the arc-shaped frames, first bolts are inserted into two ends of the connecting rods, and one ends of the first bolts are connected with one end of the outer surface of the arc-shaped frames in a threaded mode.
Wherein, connecting portion still include a plurality of even connecting blocks that set up on two arc framves circumference sides, the connecting block is close to the bottom of arc frame one end and has seted up flutedly, the rectangular channel has all been seted up to the inside both sides of recess, two the inside of rectangular channel all is provided with first spring, two the equal fixedly connected with square of one end of first spring, two rotate between the square and be connected with the round bar, through setting up first spring, make people when the pulling connecting block, the stopper can break away from the inside of spacing groove, and then can adjust the inclination of arc piece and arc pole, make the arc pole when cliping different hoisting support, the drum all can keep vertical state.
Wherein, the outside of round bar is rotated and is provided with the arc piece, the one end of arc piece is connected with two arc poles through pivot and wind spring, set up on the circumference side of arc frame and supply the gliding first arc wall of arc pole, the first screw hole with first bolt looks adaptation is seted up to the one end of arc pole, through setting up rotatable arc pole, when making the arc pole arrange the inside of first arc wall in, the connecting block can be on the arc frame stable removal, and after arc pole and first arc wall separated, two arc poles can be drawn close the cooperation connecting rod to the centre and carry hoisting support, and is functional strong.
Wherein, a plurality of spacing grooves have been seted up to the one end that the arc pole was kept away from to the arc piece, the inside one side fixedly connected with of recess and the spacing block that the spacing groove cooperation was used.
The driving part can be used for driving the damping mechanism, the driving part comprises a motor fixedly installed at one end of the bottom of the connecting block, a gear is fixedly connected to an output shaft of the motor, teeth matched with the gear are arranged on one side, close to the damping mechanism, of the arc-shaped frame, the outer teeth of the gear are meshed with one side, close to the damping mechanism, of the arc-shaped frame, the gear is enabled to rotate in the process of driving the connecting block to move on the arc-shaped frame by setting the driving part, the iron fan blades are driven to rotate, generated wind can be isolated from dust particles generated during the operation of the roadheader, the dust particles are enabled to be difficult to move towards the rear of the roadheader, and the roadheader is subjected to heat dissipation and cooling.
The two ends of the cylinder are respectively and alternately connected with one ends of the two adjacent connecting blocks, one end of each connecting block is in threaded connection with a second bolt, and second threaded holes for the second bolts to insert are formed in the front side and the rear side of the two ends of the movable rod.
Wherein, the top and the bottom of the circumference of the cylinder are both provided with first air holes.
The dust-proof heat dissipation part is matched with the connecting part and can be used for adjusting the balance of the hoisting support during transportation of the roadheader, the dust-proof heat dissipation part comprises a plurality of movable blocks arranged on the cylinder, a connecting pipe is arranged at one end of each movable block in an inserting mode, one end of each connecting pipe is connected with one side of the cylinder in an inserting mode, one end of each connecting pipe is fixedly communicated with an iron fan blade, a second air hole is formed in the end portion of each iron fan blade, the dust-proof heat dissipation part is arranged, when the dust-proof heat dissipation part rotates under the action of the driving part, the roadheader can generate air to dissipate heat, the generated air can isolate dust particles generated during working of the roadheader, the dust particles are not prone to moving towards the rear of the roadheader, the iron fan blades on the cylinder can move when the hoisting support is inclined by matching with the connecting part, the balance of the integral hoisting support is adjusted, and the function is strong.
Wherein, the equal fixedly connected with electro-magnet in both sides of movable block one end, power supply magnet male second arc wall has all been seted up to the both sides of iron system flabellum one end, through setting up electro-magnet and second arc wall, when making the electro-magnet circular telegram, the iron system flabellum is difficult for separating with the movable block, when the electro-magnet outage, and when the drum turned into the horizontality gradually, the iron system flabellum can drive the connecting pipe under the action of gravity and break away from the drum, and then make the movable block gradually remove to the tip of drum when the drum turned into the horizontality gradually, adjust the holistic balance of hoisting support.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a shock absorption device of a coal mine fully-mechanized excavating machine provided by the application;
fig. 2 is an enlarged structural schematic view of a point a in fig. 1 of the damping device of the coal mine fully-mechanized excavating machine provided by the application;
fig. 3 is a schematic cross-sectional structural view of an arc-shaped frame of the damping device of the coal mine fully-mechanized roadheader provided by the application;
fig. 4 is a schematic diagram of a splicing structure of an arc-shaped rod and a connecting rod of the damping device of the coal mine fully-mechanized roadheader provided by the application;
fig. 5 is a schematic cross-sectional structural view of a cylinder of the damping device of the coal mine fully-mechanized roadheader provided by the application;
fig. 6 is an enlarged structural schematic view of a shock absorption device of the coal mine fully-mechanized excavating machine provided by the application, which is shown at a position B in fig. 5;
fig. 7 is a schematic sectional structural view of a movable block of the damping device of the coal mine fully-mechanized roadheader provided by the application;
fig. 8 is a schematic side sectional view of a connecting block of the damping device of the coal mine fully-mechanized roadheader provided by the application;
fig. 9 is a schematic sectional view of a connection block of the damping device of the coal mine fully-mechanized roadheader provided by the present application from top.
1. A connecting mechanism; 101. an arc-shaped frame; 102. a connecting rod; 103. a first bolt; 104. a first arc-shaped slot; 105. connecting blocks; 106. a groove; 107. a rectangular groove; 108. a first spring; 109. a square block; 110. a round bar; 111. an arc-shaped block; 112. a limiting groove; 113. a limiting block; 114. an arcuate bar; 115. a first threaded hole; 116. a motor; 117. a gear;
2. a damping mechanism; 201. a cylinder; 202. a movable rod; 203. a piston; 204. a second spring; 205. a second threaded hole; 206. a second bolt; 207. a first air hole; 208. a movable block; 209. a connecting pipe; 210. making iron fan blades; 211. an electromagnet; 212. a second arc-shaped slot; 213. a second air hole.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in connection with the drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Example 1:
as shown in fig. 1 and 5, the present embodiment provides a damping device for a coal mine fully-mechanized excavating machine, which includes two connecting mechanisms 1 and a plurality of damping mechanisms 2 disposed between the two connecting mechanisms 1, the damping mechanism 2 includes a damping portion disposed between the two connecting mechanisms 1 and a plurality of dust-proof heat dissipation portions disposed on the damping portion, the damping portion includes a cylinder 201, the top end and the bottom end inside the cylinder 201 are both inserted and connected with movable rods 202, the ends of the two movable rods 202 are both fixedly connected with pistons 203, a second spring 204 disposed inside the cylinder 201 is disposed between the two pistons 203, by disposing the damping mechanism 2, when the connecting mechanisms 1 and the damping mechanism 2 are mounted to a spindle of a cutting head, the second springs 204 inside the cylinders 201 can reduce an acting force between the cutting head and a fixed seat of the fully-mechanized excavating machine, meanwhile, a change in a distance between the two pistons 203 can cause a change in a pressure inside the cylinder 201, when the two pistons 203 approach, air can enter the inside of the cylinder 201 through fine first air hole 207 and the second air hole 213, the process can also reduce an acting force between the fixed seat of the fully-mechanized excavating machine, the lifting mechanism and the lifting frame can adjust the lifting mechanism, and the lifting mechanism can adjust the lifting mechanism 2, and the lifting mechanism can adjust the lifting mechanism to lift the lifting mechanism.
Example 2:
the scheme of example 1 is further described below in conjunction with specific working modes, which are described in detail below:
as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 8, and fig. 9, as a preferred embodiment, on the basis of the foregoing manner, further, the connection mechanism 1 includes a connection portion and a plurality of driving portions disposed on the connection portion, the connection portion includes two arc-shaped frames 101, four connection rods 102 are symmetrically disposed between the two arc-shaped frames 101, two ends of each connection rod 102 are respectively inserted and connected with a first bolt 103, one end of each first bolt 103 is in threaded connection with one end of the outer surface of each arc-shaped frame 101, and by disposing the connection rods 102 and the first bolts 103, the two arc-shaped frames 101 can be connected together after being sleeved on the cutting head spindle, so as to facilitate installation of the damping device.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 8 and fig. 9, as a preferred embodiment, on the basis of the above manner, further, the connecting portion further includes a plurality of connecting blocks 105 uniformly disposed on the circumferential sides of the two arc frames 101, a groove 106 is disposed at the bottom of one end of each connecting block 105 close to the arc frame 101, rectangular grooves 107 are disposed on both sides of the inside of the groove 106, first springs 108 are disposed inside the two rectangular grooves 107, one ends of the two first springs 108 are fixedly connected with blocks 109, a round rod 110 is rotatably connected between the two blocks 109, by disposing the first springs 108, when people pull the connecting blocks 105, the limiting blocks 113 can be separated from the inside of the limiting grooves 112, and further, the inclination angles of the arc blocks 111 and the arc rods 114 can be adjusted, so that the cylinders 201 can maintain a vertical state when the arc rods 114 clamp different hoisting brackets.
As shown in fig. 1, 2, 3, 4, 8 and 9, as a preferred embodiment, on the basis of the above manner, further, an arc block 111 is rotatably disposed outside the circular rod 110, one end of the arc block 111 is connected to two arc rods 114 through a rotating shaft and a coil spring, a first arc groove 104 for the arc rod 114 to slide is disposed on the circumferential side of the arc frame 101, one end of the arc rod 114 is provided with a first threaded hole 115 adapted to the first bolt 103, by disposing the rotatable arc rod 114, when the arc rod 114 is disposed inside the first arc groove 104, the connection block 105 can stably move on the arc frame 101, and after the arc rod 114 is separated from the first arc groove 104, the two arc rods 114 can be close to the middle to cooperate with the connection rod 102 to clamp the hoisting bracket, which is highly functional.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 8 and fig. 9, as a preferred embodiment, on the basis of the above manner, further, one end of the arc-shaped block 111, which is far away from the arc-shaped rod 114, is provided with a plurality of limiting grooves 112, one side inside the groove 106 is fixedly connected with a limiting block 113 used in cooperation with the limiting grooves 112, and by providing the limiting grooves 112 and the limiting block 113, the inclination angle of the arc-shaped block 111 can be adjusted.
As shown in fig. 1, 2, 3, 4, 8 and 9, as a preferred embodiment, on the basis of the above manner, further, the driving portion may be configured to drive the damping mechanism 2, the driving portion includes a motor 116 fixedly installed at one end of the bottom of the connecting block 105, a gear 117 is fixedly connected to an output shaft of the motor 116, teeth adapted to the gear 117 are disposed on one side of the arc-shaped frame 101 close to the damping mechanism 2, and outer teeth of the gear 117 are engaged with one side of the arc-shaped frame 101 close to the damping mechanism 2.
As shown in fig. 1, 5, 6 and 7, as a preferred embodiment, in addition to the above-mentioned embodiments, two ends of the cylinder 201 are respectively inserted into and connected to one end of two adjacent connecting blocks 105, one end of each connecting block 105 is connected to a second bolt 206 in a threaded manner, the front and rear sides of two ends of the movable rod 202 are respectively provided with a second threaded hole 205 into which the second bolt 206 is inserted, and by providing the second threaded hole 205 and the second bolt 206, when one can insert the second bolt 206 into the second threaded holes 205 at different positions by operating the second bolt 206, the movable rod 202 can be rotated to adjust the orientation of the iron fan blade 210.
As shown in fig. 1, 5, 6 and 7, in addition to the above-mentioned preferred embodiment, a first air hole 207 is further opened at the top and bottom of the cylinder 201 on the circumference side.
As shown in fig. 1, 5, 6 and 7, as a preferred embodiment, in addition to the above-mentioned manner, the dust-isolating heat-dissipating unit may be used to adjust the balance of the hoisting bracket during transportation of the fully-mechanized excavating machine in cooperation with the connecting portion, the dust-isolating heat-dissipating unit includes a plurality of movable blocks 208 disposed on the cylinder 201, one end of each movable block 208 is inserted with a connecting pipe 209, one end of each connecting pipe 209 is inserted with one side of the cylinder 201, one end of each connecting pipe 209 is fixedly communicated with an iron fan blade 210, and a second air hole 213 is formed in an end of each iron fan blade 210.
As shown in fig. 1, 5, 6 and 7, as a preferred embodiment, on the basis of the above-mentioned manner, further, both sides of one end of the movable block 208 are fixedly connected with electromagnets 211, both sides of one end of the iron fan blade 210 are provided with second arc-shaped grooves 212 into which the electromagnets 211 are inserted, by providing the electromagnets 211 and the second arc-shaped grooves 212, when the electromagnets 211 are energized, the iron fan blade 210 is not easily separated from the movable block 208, when the electromagnets 211 are de-energized, and the cylinder 201 gradually turns to a horizontal state, the iron fan blade 210 can drive the connecting pipe 209 to separate from the cylinder 201 under the action of gravity, so that the movable block 208 gradually moves to the end of the cylinder 201 when the cylinder 201 gradually turns to the horizontal state, thereby adjusting the balance of the whole hoisting bracket.
Example 3:
the schemes of example 1 and example 2 are further described below in conjunction with specific working examples, which are described in detail below:
specifically, this colliery is combined and is dug quick-witted damping device during operation/use: the arc-shaped frames 101 are sleeved on a main shaft of a cutting head of the roadheader, a closed loop is formed by oppositely arranging the arc-shaped frames 101 in pairs, the first bolts 103 on the connecting rods 102 are screwed into the corresponding arc-shaped frames 101, every two arc-shaped frames 101 are fixed together, the motor 116 is controlled to work, the motor 116 drives the gears 117 to move on the arc-shaped frames 101, and further drives the cylinders 201 and the iron fan blades 210 to rotate, generated air can dissipate heat of the roadheader, dust particles generated during the operation of the roadheader can be isolated, so that the dust particles are not easy to move towards the rear of the roadheader, the acting force generated by vibration between the cutting head and a fixed seat of the roadheader can be reduced by the second springs 204 in the cylinders 201, meanwhile, the change of the distance between the two pistons 203 can cause the change of the air pressure in the cylinders 201, when the two pistons 203 are close to each other, air can enter the cylinders 201 through the fine first air holes 207 and the second air holes 213, the acting force between the cutting head and the fixed seat of the roadheader can be reduced, the amplitude of the rock between the cutting head and the comprehensive roadheader can be reduced, and a good damping effect can be achieved;
when shock absorption is not needed, after the roadheader is installed on a hoisting bracket, the two arc-shaped frames 101 which are connected together can be separated, the arc-shaped block 111 and the arc-shaped rod 114 are rotated out of the interior of the first arc-shaped groove 104, the first bolt 103 is screwed into the first threaded hole 115, as shown in fig. 4, the connecting rod 102 is fixed on the arc-shaped rod 114, the arc-shaped block 111 is pulled according to the position of the hoisting bracket, so that the limiting groove 112 is separated from the limiting block 113, the arc-shaped block 111 is rotated, the steering of the arc-shaped block 111 is adjusted, the cylinder 201 can be ensured to be installed on the hoisting bracket in a vertical state, the arc-shaped block 111 is loosened, under the action of the first spring 108, the limiting block 113 is inserted into the limiting groove 112 at the corresponding position, the arc-shaped block 111 is fixed, the orientation of the connecting block 105 is adjusted by operating the second bolt 206, so that the orientation of the connecting block 105 is the same as that the orientation of the iron fan blade 210, the two arc-shaped rods 114 are loosened, under the action of a coil spring, two arc-shaped rods 114 and a limiting groove 112 clamp one side of a hoisting bracket, according to the method, a plurality of cylinders 201 are evenly arranged at two sides of the hoisting bracket, the iron fan blades 210 at two sides of the hoisting bracket face to the central line of the hoisting bracket, the power supply of an electromagnet 211 is cut off, at the moment, when the hoisting bracket loaded with the roadheader inclines, two sides of the bracket are in a state of being arranged above and below, the iron fan blades 210 on the cylinder 201 at the side facing downwards of the bracket move towards the cylinders 201 under the action of gravity, because the iron fan blades 210 and a movable block 208 are in a close state, the iron fan blades 210 at the side and the cylinders 201 are kept in a relative static state and do not move, on the contrary, the iron fan blades 210 at the side facing upwards are arranged on the cylinders 201, under the action of gravity, connecting pipes 209 on the iron fan blades 210 are separated from the cylinders 201, and the movable block 208 can move on the cylinders 201, under the action of gravity, the movable blocks 208 and the iron fan blades 210 move to the bottom end of the cylinder 201, dynamic balance is changed due to position change, the upward side faces downwards gradually, and the downward side faces upwards gradually, so that balance adjustment is facilitated, the fully-mechanized excavating machine and the hoisting support are not prone to tilting in the transportation process, and the fully-mechanized excavating machine is not prone to toppling.
The above embodiments are only for illustrating the present invention and are not to be construed as limiting the present invention. Although the present invention has been described in detail with reference to the embodiments, it should be understood by those skilled in the art that various combinations, modifications or equivalents may be made to the technical solution of the present invention without departing from the spirit and scope of the technical solution of the present invention, and the technical solution of the present invention is covered by the claims of the present invention.
Claims (10)
1. The utility model provides a quick-witted damping device is dug to colliery is fully mechanized, its characterized in that includes two coupling mechanism (1) and a plurality of damper (2) of setting between two coupling mechanism (1), damper (2) are including setting up the shock attenuation portion between two coupling mechanism (1) and a plurality of dust removal heat dissipation portion of setting on the shock attenuation portion, the shock attenuation portion includes drum (201), drum (201) inside top and bottom all alternate and are connected with movable rod (202), two the equal fixedly connected with piston (203) of tip of movable rod (202), two be provided with between piston (203) and be located drum (201) inside second spring (204).
2. The coal mine fully-mechanized excavating machine damping device according to claim 1, wherein the connecting mechanism (1) comprises a connecting portion and a plurality of driving portions arranged on the connecting portion, the connecting portion comprises two arc-shaped frames (101), four connecting rods (102) are symmetrically arranged between the two arc-shaped frames (101), two ends of each connecting rod (102) are respectively and penetratingly connected with a first bolt (103), and one end of each first bolt (103) is in threaded connection with one end of the outer surface of each arc-shaped frame (101).
3. The coal mine fully-mechanized excavating machine damping device according to claim 2, wherein the connecting portion further comprises a plurality of connecting blocks (105) uniformly arranged on the circumferential sides of the two arc-shaped frames (101), a groove (106) is formed in the bottom of one end of each connecting block (105) close to the arc-shaped frame (101), rectangular grooves (107) are formed in two sides of the interior of each groove (106), first springs (108) are arranged in the interior of each rectangular groove (107), a block (109) is fixedly connected to one end of each first spring (108), and a round rod (110) is rotatably connected between the two blocks (109).
4. The coal mine fully-mechanized excavating machine damping device according to claim 3, characterized in that an arc-shaped block (111) is rotatably arranged outside the round rod (110), one end of the arc-shaped block (111) is connected with two arc-shaped rods (114) through a rotating shaft and a coil spring, a first arc-shaped groove (104) for sliding the arc-shaped rods (114) is formed on the circumferential side of the arc-shaped frame (101), and one end of the arc-shaped rods (114) is provided with a first threaded hole (115) matched with the first bolt (103).
5. The coal mine fully-mechanized excavating machine damping device according to claim 4, wherein one end of the arc-shaped block (111) away from the arc-shaped rod (114) is provided with a plurality of limiting grooves (112), and one side inside the groove (106) is fixedly connected with a limiting block (113) which is used in cooperation with the limiting grooves (112).
6. The coal mine fully-mechanized excavating machine damping device according to claim 5, wherein the driving part is used for driving the damping mechanism (2), the driving part comprises a motor (116) fixedly mounted at one end of the bottom of the connecting block (105), a gear (117) is fixedly connected to an output shaft of the motor (116), teeth matched with the gear (117) are arranged on one side of the arc-shaped frame (101) close to the damping mechanism (2), and outer teeth of the gear (117) are meshed with one side of the arc-shaped frame (101) close to the damping mechanism (2).
7. The coal mine fully-mechanized excavating machine damping device according to claim 6, wherein two ends of the cylinder (201) are respectively inserted and connected with one end of two adjacent connecting blocks (105), one end of each connecting block (105) is in threaded connection with a second bolt (206), and the front side and the rear side of two ends of the movable rod (202) are respectively provided with a second threaded hole (205) for the second bolt (206) to be inserted.
8. The coal mine fully-mechanized excavating machine shock absorption device according to claim 7, wherein the cylinder (201) is provided with a first air hole (207) at the top and the bottom of the circumference side.
9. The coal mine fully-mechanized excavating machine damping device according to claim 8, wherein the dust-separation heat dissipation part is used for adjusting balance of a hoisting support during transportation of the fully-mechanized excavating machine, the dust-separation heat dissipation part comprises a plurality of movable blocks (208) arranged on a cylinder (201), a connecting pipe (209) is inserted into one end of each movable block (208), one end of each connecting pipe (209) is inserted into one side of the cylinder (201), one end of each connecting pipe (209) is fixedly communicated with an iron fan blade (210), and a second air hole (213) is formed in an end of each iron fan blade (210).
10. The coal mine fully-mechanized excavating machine damping device according to claim 9, wherein electromagnets (211) are fixedly connected to both sides of one end of the movable block (208), and second arc-shaped grooves (212) into which the electromagnets (211) are inserted are formed in both sides of one end of the iron fan blade (210).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310111852.7A CN115977629B (en) | 2023-02-14 | 2023-02-14 | Damping device of coal mine fully-mechanized excavating machine |
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| CN202310111852.7A CN115977629B (en) | 2023-02-14 | 2023-02-14 | Damping device of coal mine fully-mechanized excavating machine |
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| CN115977629B CN115977629B (en) | 2023-08-22 |
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| CN215444048U (en) * | 2021-08-09 | 2022-01-07 | 华亭煤业集团有限责任公司 | Combine and dig quick-witted stop device |
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2023
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| CN212284165U (en) * | 2020-04-27 | 2021-01-05 | 神木县隆德矿业有限责任公司 | Coal mine crushing device for coal mining |
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| CN115977629B (en) | 2023-08-22 |
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