CN115977629B - Damping device of coal mine fully-mechanized excavating machine - Google Patents
Damping device of coal mine fully-mechanized excavating machine Download PDFInfo
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- CN115977629B CN115977629B CN202310111852.7A CN202310111852A CN115977629B CN 115977629 B CN115977629 B CN 115977629B CN 202310111852 A CN202310111852 A CN 202310111852A CN 115977629 B CN115977629 B CN 115977629B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model relates to a damping device of a fully-mechanized coal mining machine, which belongs to the field of coal mining, wherein a damping mechanism is arranged, when a connecting mechanism and the damping mechanism are arranged on a main shaft of a cutting head, a second spring in a plurality of cylinders can reduce acting force between the cutting head and a fully-mechanized coal mining machine fixing seat, meanwhile, the change of the distance between two pistons can cause the change of air pressure in the cylinders, when the two pistons are close, air can enter the inside of the cylinders through a small first air hole and a second air hole, the process can also reduce acting force between the cutting head and the fully-mechanized coal mining machine fixing seat, reduce the shaking amplitude between the cutting head and the fully-mechanized coal mining machine fixing seat, play a good damping role, and the damping mechanism can be arranged on two sides of the bottom of a fully-mechanized coal mining machine lifting frame in a matching manner, so that when the fully-mechanized coal mining machine is inclined in the lifting and transporting process, a plurality of iron blades on the cylinders can slide, the whole balance of the lifting frame is adjusted, the transportation stability is improved, and the functionality is strong.
Description
Technical Field
The utility model relates to a damping device of a coal mine fully-mechanized excavating machine, and belongs to the field of coal mining.
Background
The comprehensive mechanized tunneling machine is short for comprehensive mechanized tunneling machine, is comprehensive mechanized equipment integrating multiple functions of tunneling, rock loading, coal conveying, even supporting and nailing, and is generally used for increasing tunneling progress by more than 30 times compared with a tunneling process of drilling and blasting after comprehensive mechanized tunneling, and is only suitable for all-coal roadways due to the restriction of cutting pick steel.
At present, most light and small-sized comprehensive digging machines are fixed in a roadway by using a damping device in the use process, the acting force of the light and small-sized comprehensive digging machines on the bottom surface of the roadway is increased, meanwhile, vibration and noise of the light and small-sized comprehensive digging machines in tunneling or mining can be effectively reduced, but the existing damping device only can damp the whole comprehensive digging machine, and does not damp the cutting head which works continuously and has the largest vibration amplitude, so that the damping effect of each whole device is affected, and the damping effect is poor.
For example: the utility model patent/utility model patent (application number: CN 201922406640.3) discloses a damping device of a fully-mechanized coal mining machine, and the specification of the damping device is disclosed as follows: the cutting head does not perform damping treatment, so that the damping effect of the whole device is general; the above patent can be used to demonstrate the drawbacks of the prior art.
Therefore, the damping device of the coal mine fully-mechanized coal mining machine is improved.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the existing damping device can only damp the whole fully-mechanized coal mining machine, but does not damp the cutting head which works continuously and has the largest vibration amplitude, thereby affecting the damping effect of each whole device and having poor damping effect.
(II) technical scheme
In order to achieve the above object, the utility model provides a damping device of a fully-mechanized coal mining machine, which comprises two connecting mechanisms and a plurality of damping mechanisms arranged between the two connecting mechanisms, wherein the damping mechanisms comprise damping parts arranged between the two connecting mechanisms and a plurality of dust-separating and heat-dissipating parts arranged on the damping parts, the damping parts comprise cylinders, the top end and the bottom end inside the cylinders are respectively connected with a movable rod in a penetrating way, the two ends of the movable rods are respectively fixedly connected with a piston, a second spring positioned inside the cylinders is arranged between the two pistons, the second springs in the cylinders can reduce the acting force between the cutting heads and the fully-mechanized coal mining machine fixing seats by arranging the damping mechanisms, meanwhile, the change of the distance between the two pistons can cause the change of the air pressure in the cylinders, when the two pistons are close, the air can enter the inside the cylinders through fine first air holes and the second air holes, the acting force between the cutting heads and the fully-mechanized coal mining machine fixing seats can be reduced, the amplitude between the two pistons is reduced, the second springs are arranged between the two pistons and can be well matched with the hoisting frame to realize the functions of the whole hoisting and the stable hoisting, and the two sides can be well matched with the hoisting frame.
The connecting mechanism comprises a connecting part and a plurality of driving parts arranged on the connecting part, wherein the connecting part comprises two arc-shaped frames, four connecting rods are symmetrically arranged between the arc-shaped frames, two ends of each connecting rod are respectively connected with a first bolt in a penetrating mode, and one end of each first bolt is in threaded connection with one end of the outer surface of each arc-shaped frame.
Wherein, connecting portion still includes a plurality of connecting blocks of evenly setting on two arc frame circumference sides, the connecting block is close to the bottom of arc frame one end and has seted up flutedly, rectangular channel has all been seted up to the inside both sides of recess, two the inside in 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 pulling the 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, makes the arc pole when the hoist and mount support of clamp the difference, the drum can all keep vertical state.
The outside rotation of round bar is provided with the arc piece, the one end of arc piece is connected with two arc poles through pivot and wind spring, offer the gliding first arc wall of confession arc pole on the circumference side of arc frame, the first screw hole with first bolt looks adaptation is offered to the one end of arc pole, through setting up rotatable arc pole, when making the inside in first arc wall of arc pole place in, the connecting block can be on the arc frame stable removal, after arc pole and first arc wall separation, two arc poles can draw close the cooperation connecting rod to the centre and clip the hoist and mount support, and the functionality is strong.
Wherein, a plurality of spacing grooves have been seted up to the one end that the arc piece kept away from the arc pole, the inside one side fixedly connected with of recess is with the stopper of spacing groove cooperation use.
The driving part can be used for driving damper, the driving part includes fixed mounting at the motor of connecting block bottom one end, fixedly connected with gear on the output shaft of motor, one side that the arc frame is close to damper is equipped with the tooth with gear looks adaptation, the external tooth of gear is close to damper's one side meshing with the arc frame, through setting up the driving part, makes gear pivoted in-process can drive the connecting block and remove on the arc frame, and then drives the rotation of iron blade, and the wind that produces can isolate the dust granule that produces when combine the excavator work, makes dust granule be difficult for moving towards combine the excavator rear to combine the excavator to dispel the heat and cool.
The two ends of the cylinder are respectively connected with one ends of two adjacent connecting blocks in an inserted mode, one end of each connecting block is connected with a second bolt in a threaded mode, and second threaded holes for inserting the second bolts 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 drum circumference side all have seted up first gas pocket.
The dust-separation heat-dissipation part is matched with the connecting part to be used for adjusting the balance of the lifting support when the fully-mechanized coal mining machine is in transportation, the dust-separation heat-dissipation part comprises a plurality of movable blocks arranged on the cylinder, one ends of the movable blocks are provided with connecting pipes in a penetrating mode, one ends of the connecting pipes are connected with one sides of the cylinder in a penetrating mode, one ends of the connecting pipes are fixedly communicated with iron blades, the ends of the iron blades are provided with second air holes, the dust-separation heat-dissipation part is arranged to enable the dust-separation heat-dissipation part to rotate under the action of the driving part, the wind fully-mechanized coal mining machine can be used for dissipating heat, generated wind can isolate dust particles generated during the working of the fully-mechanized coal mining machine, the dust particles are not easy to move towards the rear of the fully-mechanized coal mining machine, and the iron blades on the cylinder can move when the lifting support is in a tilting mode, and the balance of the integral lifting support is adjusted, and the functionality is strong.
Wherein, the equal fixedly connected with electro-magnet of both sides of movable block one end, the second arc wall that supplies the electro-magnet to insert is all offered to the both sides of iron-made flabellum one end, through setting up electro-magnet and second arc wall, when making the electro-magnet circular telegram, iron-made flabellum is difficult for separating with the movable block, when the electro-magnet outage, and when the drum changes into the horizontal state gradually, iron-made 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 changes into the horizontal state gradually, adjust the holistic balance of hoist and mount support.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of a damping device of a fully-mechanized coal mining machine;
FIG. 2 is an enlarged schematic view of the shock absorbing device for the fully-mechanized coal mining machine in FIG. 1A;
FIG. 3 is a schematic sectional view of an arc-shaped frame of a damping device of a coal mine fully-mechanized coal mining machine;
FIG. 4 is a schematic diagram of a splicing structure of an arc rod and a connecting rod of a damping device of a coal mine fully-mechanized coal mining machine;
FIG. 5 is a schematic diagram of a cylinder cross-sectional structure of a damping device of a coal mine fully-mechanized coal mining machine;
FIG. 6 is an enlarged schematic view of the shock absorbing device for the fully-mechanized coal mining machine in FIG. 5 at B;
FIG. 7 is a schematic diagram of a cross-sectional structure of a movable block of a damping device of a coal mine fully-mechanized coal mining machine;
FIG. 8 is a schematic diagram of a cross-sectional side view of a connecting block of a damping device of a coal mine fully-mechanized coal mining machine;
fig. 9 is a schematic diagram of a cross-sectional top view of a connecting block of a damping device of a coal mine fully-mechanized coal mining machine.
1. A connecting mechanism; 101. an arc-shaped frame; 102. a connecting rod; 103. a first bolt; 104. a first arc-shaped groove; 105. a connecting block; 106. a groove; 107. rectangular grooves; 108. a first spring; 109. a square block; 110. a round bar; 111. an arc-shaped block; 112. a limit groove; 113. a limiting block; 114. an arc-shaped rod; 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. iron fan blades; 211. an electromagnet; 212. a second arc-shaped groove; 213. and a second air hole.
Detailed Description
The following detailed description of specific embodiments of the utility model is provided in connection with the accompanying drawings and examples. The following examples are only illustrative of the present utility model and are not intended to limit the scope of the utility model.
Example 1:
as shown in fig. 1 and 5, this embodiment provides a damping device for a fully-mechanized coal mining machine, including two coupling mechanism 1 and a plurality of damper 2 that set up between two coupling mechanism 1, damper 2 is including setting up the damping part between two coupling mechanism 1 and a plurality of dust separation radiating part that sets up on the damping part, the damping part includes drum 201, the inside top of drum 201 and bottom all alternate and are connected with movable rod 202, the equal fixedly connected with piston 203 of tip of two movable rods 202, be provided with the second spring 204 that is located drum 201 inside between two pistons 203, through setting up damper 2, make coupling mechanism 1 and damper 2 install to the main shaft of cutting head on, the effort between cutting head and the fully-mechanized coal mining machine fixing base can be reduced to the second spring 204 in a plurality of drums 201, simultaneously, the change of distance between two pistons 203 can cause the change of drum 201 internal air pressure, when two pistons 203 are close to, the inside of drum 201 can be got into through tiny first gas pocket 207 and second gas pocket 213, this process can reduce the amplitude between cutting head and the fan blade, the full-mechanized coal mining machine can be well-mechanized by the whole and the amplitude of vibration of the hoisting machine can be reduced, and the amplitude of vibration of the whole hoisting machine can be well installed to the supporting frame can be adjusted when the amplitude of the whole is not to the vibration of the supporting frame is installed, the whole, the vibration damping frame can be well-controlled, the amplitude of the vibration absorbing mechanism can be installed to the amplitude of the whole is well, and the vibration of the vibration absorbing frame can be well can be installed to the amplitude well, and the amplitude of the supporting frame can be well, and the vibration is installed on the supporting frame can be well, and the vibration is well, and the vibration can be well.
Example 2:
the scheme of example 1 is further described in conjunction with the specific operation described 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 above-mentioned mode, 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 frames 101, four connecting rods 102 are symmetrically disposed between the two arc frames 101, two ends of the connecting rods 102 are respectively connected with a first bolt 103 in a penetrating manner, one end of each first bolt 103 is in threaded connection with one end of the outer surface of each arc frame 101, and by disposing the connecting rods 102 and the first bolts 103, the two arc frames 101 can be connected together after being sleeved on the main shaft of the cutting head, so that the installation of the damping device is facilitated.
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-mentioned mode, further, the connecting portion further includes a plurality of connecting blocks 105 evenly arranged on the circumference sides of two arc frames 101, the bottom of the connecting block 105 near one end of the arc frame 101 is provided with a groove 106, both sides inside the groove 106 are provided with rectangular grooves 107, the inside of the two rectangular grooves 107 are all provided with first springs 108, one ends of the two first springs 108 are all fixedly connected with square blocks 109, a round rod 110 is rotatably connected between the two square blocks 109, through setting the first springs 108, when people pull the connecting block 105, the limiting block 113 can be separated from the inside of the limiting groove 112, and then the inclination angle of the arc block 111 and the arc rod 114 can be adjusted, so that the cylinder 201 can be kept in a vertical state when the arc rod 114 clamps different hoisting brackets.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 8 and fig. 9, as a preferred embodiment, further, based on the above manner, the outer part of the round bar 110 is rotatably provided with an arc block 111, one end of the arc block 111 is connected with two arc bars 114 through a rotating shaft and a coil spring, a first arc groove 104 for sliding the arc bars 114 is formed on the circumferential side of the arc frame 101, a first threaded hole 115 matched with the first bolt 103 is formed at one end of the arc bars 114, and when the arc bars 114 are placed in the first arc groove 104 by arranging the rotatable arc bars 114, the connecting block 105 can stably move on the arc frame 101, and after the arc bars 114 are separated from the first arc grooves 104, the two arc bars 114 can approach towards the middle to be matched with the connecting rod 102 to clamp the lifting frame, so that the functionality is strong.
As shown in fig. 1, 2, 3, 4, 8 and 9, as a preferred embodiment, based on the above manner, further, one end of the arc block 111 away from the arc 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 matched with the limiting grooves 112, and by setting the limiting grooves 112 and the limiting block 113, the inclination angle of the arc block 111 can be adjusted.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 8 and fig. 9, as a preferred embodiment, further, the driving part may be used to drive the damper mechanism 2, the driving part includes a motor 116 fixedly installed at one end of the bottom of the connection block 105, a gear 117 is fixedly connected to an output shaft of the motor 116, a tooth adapted to the gear 117 is disposed on a side of the arc frame 101 near the damper mechanism 2, an external tooth of the gear 117 is meshed with a side of the arc frame 101 near the damper mechanism 2, and by setting the driving part, the connection block 105 can be driven to move on the arc frame 101 during a rotation process of the gear 117, and then the iron fan blade 210 is driven to rotate, so that generated wind can isolate dust particles generated during a comprehensive excavator, so that the dust particles are not easy to move towards the rear of the comprehensive excavator, and perform heat dissipation and cooling on the comprehensive excavator.
As shown in fig. 1, 5, 6 and 7, in addition to the above-described embodiments, further, two ends of the cylinder 201 are connected to one ends of two adjacent connection blocks 105 in a penetrating manner, one end of each connection block 105 is connected to a second bolt 206 in a threaded manner, second threaded holes 205 into which the second bolts 206 are inserted are formed on front and rear sides of two ends of the movable rod 202, and by providing the second threaded holes 205 and the second bolts 206, when a person can insert the second bolts 206 into the second threaded holes 205 at different positions by operating the second bolts 206, the movable rod 202 can be turned to adjust the orientation of the iron fan blades 210.
As shown in fig. 1, 5, 6 and 7, in the above-described embodiment, further, the cylinder 201 is provided with first air holes 207 at the top and bottom of the circumferential side.
As shown in fig. 1, 5, 6 and 7, as a preferred embodiment, further, the dust-isolation and heat-dissipation part is matched with the connecting part to adjust the balance of the lifting bracket during transportation of the fully-mechanized coal mining machine, the dust-isolation and heat-dissipation part comprises a plurality of movable blocks 208 arranged on the cylinder 201, one ends of the movable blocks 208 are penetrated and provided with connecting pipes 209, one ends of the connecting pipes 209 are penetrated and connected with one side of the cylinder 201, one ends of the connecting pipes 209 are fixedly communicated with iron fan blades 210, the ends of the iron fan blades 210 are provided with second air holes 213, by arranging the dust-isolation and heat-dissipation part, when the dust-isolation and heat-dissipation part rotates under the action of the driving part, the wind generated can isolate dust particles generated during the transportation of the fully-mechanized coal mining machine, the dust particles are not easy to move towards the rear of the fully-mechanized coal mining machine, and the dust particles are matched with the connecting part, when the lifting bracket is inclined, the iron fan blades 210 on the cylinder 201 can move to adjust the balance of the whole lifting bracket, and the function is strong.
As shown in fig. 1, 5, 6 and 7, as a preferred embodiment, further, on the basis of the above manner, 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 grooves 212 into which the power supply magnets 211 are inserted, when the electromagnets 211 are powered on by the arrangement of the electromagnets 211 and the second arc grooves 212, the iron fan blade 210 is not easy to separate from the movable block 208, when the electromagnets 211 are powered off, and when the cylinder 201 gradually turns into 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 into a horizontal state, and the overall balance of the hoisting bracket is adjusted.
Example 3:
the schemes of examples 1 and 2 are further described below in conjunction with specific modes of operation, as described below:
specifically, this colliery is comprehensive digger damping device when during operation/during use: the arc frames 101 are sleeved on the main shaft of the cutting head of the fully-mechanized excavating machine, two pairs of arc frames 101 are sleeved on the main shaft to form a closed loop, the first bolts 103 on the connecting rods 102 are screwed on the corresponding arc frames 101, the arc frames 101 are fixed together, the motor 116 is controlled to work, the motor 116 drives the gear 117 to move on the arc frames 101, the cylinder 201 and the iron fan blades 210 are driven to rotate, generated wind can radiate heat of the fully-mechanized excavating machine, dust particles generated during the working of the fully-mechanized excavating machine can be isolated, the dust particles are not easy to move towards the rear of the fully-mechanized excavating machine, the second springs 204 in the cylinders 201 can reduce the acting force generated by vibration between the cutting head and the fixing seat of the fully-mechanized excavating machine, meanwhile, the change of the distance between the two pistons 203 can cause the change of air pressure in the cylinder 201, when the two pistons 203 are close to each other, air can enter the inside of the cylinder 201 through the small first air holes 207 and the second air holes 213, the acting force between the cutting head and the fixing seat of the fully-mechanized excavating machine can be reduced, and the vibration amplitude between the two pistons can be well damped;
when vibration reduction is not needed, and after the fully-mechanized excavator is mounted on the hoisting support, the two arc frames 101 connected together can be separated, the arc block 111 and the arc rod 114 are rotated out of the first arc 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 rod 114, the arc block 111 is pulled according to the position of the hoisting support, the limit groove 112 is separated from the limit block 113, the arc block 111 is rotated, the steering of the arc block 111 is regulated, the cylinder 201 can be mounted on the hoisting support in a vertical state, the arc block 111 is loosened, the limit block 113 is inserted into the limit groove 112 at a corresponding position under the action of the first spring 108, the arc block 111 is fixed, the orientation of the connecting block 105 is regulated by operating the second bolt 206, the orientation of the connecting block 105 is the same as that of the iron fan blade 210, the two arc rods 114 are loosened, under the action of the coil springs, the two arc rods 114 and the limit grooves 112 clamp one side of the lifting bracket, a plurality of cylinders 201 are evenly arranged on two sides of the lifting bracket according to the method, iron blades 210 on two sides of the lifting bracket face to the center line of the lifting bracket, the electromagnet 211 is disconnected, when the lifting bracket loaded with the fully-mechanized excavator inclines, two sides of the bracket are in a top-to-bottom state, a plurality of iron blades 210 on the cylinder 201 on the lower side of the bracket move towards the cylinder 201 under the action of gravity, the iron blades 210 on the side keep a relative static state with the cylinder 201 due to the fact that the iron blades 210 and the movable blocks 208 are in a close contact state, the iron blades 210 on the upper side do not move, otherwise, a plurality of iron blades 210 on the cylinder 201 on the upper side are separated from the cylinder 201 under the action of gravity, a connecting pipe 209 on the iron blades 210 can move on the cylinder 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 the change of positions, one side facing upwards gradually faces downwards, one side facing downwards gradually faces upwards, balance adjustment is facilitated, and the fully-mechanized excavator and the hoisting support are not easy to incline in the transportation process, so that the fully-mechanized excavator is not easy to incline.
The above embodiments are only for illustrating the present utility model, and are not limiting of the present utility model. While the utility model has been described in detail with reference to the embodiments, those skilled in the art will appreciate that various combinations, modifications, and substitutions can be made thereto without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (6)
1. The damping device of the fully-mechanized coal mining machine is characterized by comprising two connecting mechanisms (1) and a plurality of damping mechanisms (2) arranged between the two connecting mechanisms (1), wherein each damping mechanism (2) comprises a damping part arranged between the two connecting mechanisms (1) and a plurality of dust-proof heat dissipation parts arranged on the damping part, each damping part comprises a cylinder (201), movable rods (202) are connected to the top end and the bottom end of the inside of each cylinder (201) in an inserted mode, pistons (203) are fixedly connected to the end portions of the two movable rods (202), and a second spring (204) positioned inside each cylinder (201) is arranged between the two pistons (203);
the connecting mechanism (1) comprises a connecting part and a plurality of driving parts arranged on the connecting part, wherein the connecting part 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 connected with a first bolt (103) in a penetrating way, 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);
the connecting part further comprises a plurality of connecting blocks (105) which are uniformly arranged on the circumference sides of the two arc-shaped frames (101), grooves (106) are formed in the bottoms, close to one ends of the arc-shaped frames (101), of the connecting blocks (105), rectangular grooves (107) are formed in two sides of the inner portion of each groove (106), first springs (108) are arranged in the two rectangular grooves (107), one ends of each first spring (108) are fixedly connected with square blocks (109), and round rods (110) are rotatably connected between the two square blocks (109);
the outside rotation of round bar (110) is provided with arc piece (111), the one end of arc piece (111) is connected with two arc poles (114) through pivot and wind spring, offer first arc groove (104) that supply arc pole (114) to slide on the circumference side of arc frame (101), first screw hole (115) with first bolt (103) looks adaptation are offered to one end of arc pole (114);
a plurality of limit grooves (112) are formed in one end, far away from the arc-shaped rod (114), of the arc-shaped block (111), and a limit block (113) matched with the limit grooves (112) is fixedly connected to one side of the inside of the groove (106).
2. The damping device of the fully-mechanized coal mining machine according to claim 1, wherein the driving part can be used for driving the damping mechanism (2), the driving part comprises 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 matched with the gear (117) are arranged on one side, close to the damping mechanism (2), of the arc-shaped frame (101), and outer teeth of the gear (117) are meshed with one side, close to the damping mechanism (2), of the arc-shaped frame (101).
3. The damping device of the fully-mechanized coal mining machine according to claim 2, wherein two ends of the cylinder (201) are respectively connected with one ends of two adjacent connecting blocks (105) in a penetrating mode, one end of each connecting block (105) is connected with a second bolt (206) in a threaded mode, and second threaded holes (205) for inserting the second bolts (206) are formed in the front side and the rear side of two ends of the movable rod (202).
4. A vibration damper for a coal mine fully-mechanized coal mining machine according to claim 3, wherein the cylinder (201) is provided with first air holes (207) at the top and bottom of the circumferential side.
5. The damping device for the fully-mechanized coal mining machine according to claim 4, wherein the dust-proof heat dissipation part is matched with the connecting part and can be used for adjusting the balance of the lifting support during transportation of the fully-mechanized coal mining machine, the dust-proof heat dissipation part comprises a plurality of movable blocks (208) arranged on the cylinder (201), one ends of the movable blocks (208) are provided with connecting pipes (209) in a penetrating mode, one ends of the connecting pipes (209) are connected with one side of the cylinder (201) in a penetrating mode, one ends of the connecting pipes (209) are fixedly communicated with iron blades (210), and second air holes (213) are formed in the end portions of the iron blades (210).
6. The damping device for the fully-mechanized coal mining machine according to claim 5, wherein the two sides of one end of the movable block (208) are fixedly connected with electromagnets (211), and the two 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.
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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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| 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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| CN115977629A CN115977629A (en) | 2023-04-18 |
| CN115977629B true CN115977629B (en) | 2023-08-22 |
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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 |
| 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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| FR2921893B1 (en) * | 2007-10-09 | 2011-03-25 | Dominique Crasset | DEVICE FOR CONTROLLING A HYDRAULIC SUSPENSION DAMPER DEVICE |
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| CN208535076U (en) * | 2018-07-27 | 2019-02-22 | 神华宁夏煤业集团有限责任公司梅花井煤矿 | A kind of coal mine coal cutter damping device |
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| CN210859059U (en) * | 2019-11-26 | 2020-06-26 | 恩力微电网科技(安徽)有限公司 | Complete set of transportation equipment for wind generating set |
| CN211115995U (en) * | 2019-12-27 | 2020-07-28 | 李恒 | Shock absorption device of coal mine fully-mechanized excavating machine |
| 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 |
| 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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