CN210105851U - Novel supporting device of coal mining machine - Google Patents
Novel supporting device of coal mining machine Download PDFInfo
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- CN210105851U CN210105851U CN201920980502.3U CN201920980502U CN210105851U CN 210105851 U CN210105851 U CN 210105851U CN 201920980502 U CN201920980502 U CN 201920980502U CN 210105851 U CN210105851 U CN 210105851U
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Abstract
The utility model discloses a novel strutting arrangement of coal-winning machine belongs to coal mining technical field for it is poor to solve the strutting arrangement shock attenuation effect of current coal-winning machine, and strutting arrangement's the poor problem of stability. The utility model comprises a supporting plate, wherein the lower end of the supporting plate is provided with a telescopic column, and the upper end of the supporting plate is provided with a placing plate; the backup pad with place still be connected with buffer between the board, flexible post is including removing the post and being located the fixed cover of removal post lower extreme, the lower extreme of fixed cover is connected with the bearing board, the lower extreme of removing the post stretches into fixed cover internal back and is connected with damping spring, the outer wall cover of removing the post is equipped with the go-between, the outer wall annular array of go-between is provided with at least three elastic support unit, arbitrary elastic support unit's lower extreme still is provided with and is used for the promptly unit of grasping.
Description
Technical Field
The utility model relates to a coal mining technical field, more specifically are novel strutting arrangement who relates to a coal-winning machine.
Background
The coal mining machine is one of important devices for realizing mechanization and modernization of coal mine production. The mechanical coal mining can reduce the physical labor and improve the safety, and the purposes of high yield, high efficiency and low consumption are achieved.
When the coal mining machine is in a working state, the working mechanism of the coal mining machine breaks down coal from the coal body, and the coal mining machine in the working state is subjected to the reaction force of the coal body, so that the gravity borne by the coal mining machine is greater than the gravity of the body; the supporting device of the existing coal mining machine generally has no shock absorption effect, or the coal mining machine with the shock absorption structure is a common shock absorption structure, so that the structure is single, the shock absorption effect is not added when the coal mining machine absorbs shock, and the long-term use of the coal mining machine is not facilitated; the working environment of the coal mining machine is generally complex, the ground where the coal mining machine works is uneven to the bottom, the soil density degree is different, the existing supporting device has certain requirements on the ground density degree, the existing supporting device adopts a pillar form, and the stability is poor.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a supporting device of coal-winning machine is poor in order to solve the strutting arrangement shock attenuation effect of current coal-winning machine to and strutting arrangement's the poor problem of stability, the utility model provides a novel strutting arrangement of coal-winning machine.
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
the utility model discloses a novel supporting device of a coal mining machine, which comprises a supporting plate, wherein the lower end of the supporting plate is provided with a telescopic column, and the upper end of the supporting plate is provided with a placing plate; the backup pad with place still be connected with buffer between the board, flexible post is including removing the post and being located the fixed cover of removal post lower extreme, the lower extreme of fixed cover is connected with the bearing board, the lower extreme of removing the post stretches into fixed cover internal back and is connected with damping spring, the outer wall cover of removing the post is equipped with the go-between, the outer wall annular array of go-between is provided with at least three elastic support unit, arbitrary elastic support unit's lower extreme still is provided with and is used for the promptly unit of grasping.
The utility model discloses as further preferred, buffer includes casing, upper buffer block, lower buffer block, buffering arch and elastic ball; casing upper end opening and to the inboard bending type buffer chamber that forms, go up the buffer block and all be located the buffer chamber with lower buffer block, go up the upper end of buffer block and place board interconnect, go up the buffer block and set up a plurality of buffering archs with the relative one side dislocation of lower buffer block, a plurality of elastic balls are located down between the lower extreme of buffer block and the lower extreme of buffer chamber.
The utility model discloses as further preferred, elastic support unit includes guide post, uide bushing, compression spring, baffle, connecting rod and auxiliary supporting shoe; one end of the connecting rod is connected with the connecting ring, the lower end of the other end of the connecting rod is connected with the guide sleeve, the lower end of the guide sleeve is connected with the baffle, the upper end of the guide post extends into the guide sleeve, the lower end of the guide post is connected with the auxiliary supporting block, and the compression spring is sleeved on the periphery of the guide post and located between the baffle and the auxiliary supporting block.
As a further preference, the guide sleeve is internally provided with a return spring; and a sealing ring is also arranged between the baffle and the outer wall of the guide sleeve.
The utility model discloses as further preferred, grasp the unit and include fixed plate, grasp nail, break the soil nail, lifter plate, guide spring and stopper; the lower end of the auxiliary supporting block is upwards sunken to form a placing groove, the fixed plate is arranged in the placing groove, the upper end of the soil breaking nail penetrates through the fixed plate and is mutually connected with the inner wall of the placing groove, the lifting plate is sleeved on the soil breaking nail and can move up and down along the soil breaking nail, the guide spring is positioned between the fixed plate and the lifting plate, the plurality of grasping nails are annularly distributed on the periphery of the lifting plate, and the upper ends of the arbitrary grasping nails are mutually hinged with the fixed plate; the limiting block is positioned at the lower end of the soil breaking nail.
The utility model relates to a further preferred, many chip grooves have been seted up along vertical direction to the broken ground nail.
The utility model relates to a further preferred, be connected with the strengthening rib between arbitrary connecting rod and the backup pad.
The utility model has the advantages as follows:
1. the supporting device has the advantages that the main damping supporting effect is achieved through the damping springs in the telescopic columns, at least three elastic supporting units are arranged on the outer wall of each movable column in an annular array mode, the movable columns are assisted in supporting and positioning, when the telescopic columns support the mining machine, a part of gravity is equally distributed onto the elastic supporting units, the effect of increasing the supporting area is achieved through the elastic supporting units, the stability of the supporting device when the supporting device supports the mining machine is further guaranteed, the elastic supporting units are independent in front, the supporting device can adapt to the high-ground uneven working environment, the application range of the supporting device is widened, the supporting effect of the supporting device on the mining machine is not affected when the single elastic supporting unit fails, and the supporting device can be guaranteed to support effectively; through buffer, play the effect of energy storage to the vibrations by a wide margin of mining machine earlier, effectively reduce the effect and directly transmit to flexible post on, guarantee the safe in utilization of flexible post.
2. Buffer carries out the energy storage through the buffering arch of mutual dislocation set to the mining machine at first vibration energy, compresses the buffering arch to the lower extreme of buffer block still is provided with a plurality of elastic ball under, carries out further energy storage through the compression of elastic ball, avoids the mining machine directly to take place the rigid contact with the backup pad, plays the effect of effectual buffering to the mining machine through buffering arch and elastic ball.
3. The outer wall of the moving column is provided with the connecting ring, the outer wall of the connecting ring is provided with a plurality of elastic supporting units in an annular array, and the annular array is used for ensuring that the stress is uniformly distributed when the elastic supporting units bear the gravity, so that the situation that one elastic supporting unit is damaged when the elastic supporting unit bears the gravity too much is avoided; the elastic supporting unit moves downwards along with the downward movement of the moving shaft, the elastic supporting unit plays a role of auxiliary supporting, the situation that the vibration force is strong after the vibration is too strong and is buffered by the buffer device and the damping spring is avoided, the elastic supporting unit moves downwards to contact the auxiliary supporting block and the bottom surface, and then a part of energy is absorbed by the compression spring; the use safety of the supporting device is ensured, and the damping effect of the supporting device is further improved.
4. A return spring is arranged in the guide sleeve, and the return spring plays a role of assisting a compression spring and further absorbs the energy of vibration; a sealing ring is arranged between the baffle and the outer wall of the guide post, so that the situation that dust in the air enters the guide sleeve to cause blockage in the guide sleeve and influence the relative sliding of the baffle and the guide post is effectively avoided.
5. The lower end of the elastic supporting unit is also provided with a grasping unit, and the grasping unit is enabled to be deep into the lower end of the ground when the elastic supporting unit is acted by a downward force, so that the auxiliary supporting block is prevented from sliding relatively, the situation that the mining machine slides and even laterally due to high vibration strength when the external force is too large in the use process of the mining machine is ensured, and the use safety of the mining machine is ensured; the working principle is as follows: the outer layer on ground is broken open to the broken soil nail, the inclination of grabbing nail simultaneously is little, be 10-20 with the inclination on ground, grab the outer layer on ground that the nail also can very easily break open ground, broken soil nail lasts the downstream under the effect of lasting decurrent external force, the lifter plate rebound, and compress guide spring, the external diameter of lifter plate is greater than the circular shape internal diameter that a plurality of grabbing nail ring forms, the outside of lifter plate and grabbing nail contact each other, in the in-process that the lifter plate lasts to rise, the lifter plate also shifts up gradually with the contact site of grabbing nail, make the inclination of grabbing nail and bottom surface increase gradually, and then realize grabbing on ground.
6. The side wall of the soil breaking nail is provided with a plurality of chip grooves along the vertical direction, so that the ground can be broken easily in the downward moving process of the soil breaking nail.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is an enlarged view of the structure at B in FIG. 2;
reference numerals: 1-supporting plate, 2-telescopic column, 210-moving column, 220-fixing sleeve, 230-damping spring, 3-placing plate, 4-buffer device, 410-upper buffer block, 420-buffer bulge, 430-lower buffer block, 440-elastic ball, 450-shell, 5-buffer cavity, 6-connecting ring, 7-elastic supporting unit, 710-connecting rod, 720-guide sleeve, 721-return spring, 730-baffle, 731-sealing ring, 740-guide column, 750-compression spring, 760-auxiliary supporting block, 8-grasping unit, 810-fixing plate, 820-soil breaking nail, 8201-chip groove, 830-guide spring, 840-grasping nail, 850-lifting plate, 860-limiting block, 9-a placing groove, 10-a bearing plate and 11-a reinforcing rib.
Detailed Description
For a better understanding of the present invention, the present invention will be described in further detail with reference to the following embodiments in conjunction with the accompanying fig. 1 to 3.
Example 1
The utility model discloses a novel supporting device of a coal mining machine, which comprises a supporting plate 1, wherein the lower end of the supporting plate 1 is provided with a telescopic column 2, and the upper end of the supporting plate 1 is provided with a placing plate 3; the supporting plate 1 and the placing plate 3 are connected with a buffer device 4, the telescopic column 2 comprises a movable column 210 and a fixed sleeve 220 located at the lower end of the movable column 210, the lower end of the fixed sleeve 220 is connected with a bearing plate 10, the lower end of the movable column 210 extends into the fixed sleeve 220 and then is connected with a damping spring 230, the outer wall of the movable column 210 is sleeved with a connecting ring 6, the outer wall of the connecting ring 6 is provided with at least three elastic supporting units 7 in an annular array mode, and the lower end of any elastic supporting unit 7 is further provided with a grasping unit 8 for grasping.
After the technical scheme is adopted, the damping spring 230 in the telescopic column 2 plays a main damping and supporting role, at least three elastic supporting units 7 are arranged on the outer wall of the movable column 210 in an annular array, the movable column 210 is supported and positioned in an auxiliary way, so that when the telescopic column 2 supports the mining machine, part of gravity is uniformly distributed on the elastic supporting unit 7, the elastic supporting unit 7 has the effect of increasing the supporting area, further ensures the stability of the supporting device when the supporting device has the supporting function to the mining machine, and the elastic supporting units 7 are relatively independent in front, so that the device can adapt to the uneven working environment, the application range of the supporting device is enlarged, when the single elastic supporting unit 7 fails, the supporting effect of the supporting device on the mining machine is not influenced, and the supporting device can be guaranteed to support effectively; through buffer 4, earlier to the effect of energy storage is played in the vibrations by a wide margin of mining machine, effectively reduce the effect and directly transmit to flexible post 2 on, guarantee flexible post 2's safety in utilization.
Example 2
The present embodiment is further optimized on the basis of embodiment 1 as follows: the buffer device 4 comprises a shell 450, an upper buffer block 410, a lower buffer block 430, a buffer bulge 420 and an elastic ball 440; casing 450 upper end opening and inside bending type become cushion chamber 5, go up buffer block 410 and buffer block 430 down and all be located cushion chamber 5, go up buffer block 410 upper end and place board 3 interconnect, go up buffer block 410 and the relative one side dislocation of buffer block 430 down and set up a plurality of buffering arch 420, a plurality of elastic balls 440 are located down between buffer block 430's the lower extreme and the lower extreme of cushion chamber 5.
After adopting above-mentioned technical scheme, buffer 4 is protruding 420 through the buffering of mutual dislocation set, carries out the energy storage to the mining machine first vibration energy, compresses buffering arch 420 to the lower extreme of buffer block 430 still is provided with a plurality of elastic ball 440 under, carries out further energy storage through elastic ball 440's compression, avoids the mining machine directly to take place the rigidity contact with backup pad 1, plays the effect of effectual buffering to the mining machine through buffering arch 420 and elastic ball 440.
Example 3
The present embodiment is further optimized on the basis of embodiment 1 as follows: the elastic supporting unit 7 comprises a guide post 740, a guide sleeve 720, a compression spring 750, a baffle 730, a connecting rod 710 and an auxiliary supporting block 760; one end of the connecting rod 710 is connected with the connecting ring 6, the lower end of the other end of the connecting rod 710 is connected with the guide sleeve 720, the lower end of the guide sleeve 720 is connected with the baffle 730, the upper end of the guide column 740 extends into the guide sleeve 720, the lower end of the guide column 740 is connected with the auxiliary supporting block 760, and the compression spring 750 is sleeved on the periphery of the guide column 740 and is positioned between the baffle 730 and the auxiliary supporting block 760.
After the technical scheme is adopted, the connecting ring 6 is arranged on the outer wall of the movable column 210, the plurality of elastic supporting units 7 are arranged on the outer wall of the connecting ring 6 in an annular array mode, the annular array mode has the function of ensuring that the stress is evenly distributed when the elastic supporting units bear the gravity, and the situation that one elastic supporting unit 7 is damaged when the elastic supporting unit bears the gravity too much is avoided; the elastic supporting unit 7 moves downwards along with the downward movement of the moving shaft, the elastic supporting unit 7 plays a role of auxiliary supporting, so that the situation that the vibration is too strong and the vibration force is still strong after the buffering of the buffering device 4 and the damping spring 230 is avoided, the elastic supporting unit 7 moves the auxiliary supporting block 760 downwards to be in contact with the bottom surface, and then a part of energy is absorbed by the compression spring 750; the use safety of the supporting device is ensured, and the damping effect of the supporting device is further improved.
Example 4
The present embodiment is further optimized on the basis of embodiment 1 as follows: a return spring 721 is also arranged in the guide sleeve 720; a sealing ring 731 is also arranged between the baffle 730 and the outer wall of the guide sleeve 720.
After the technical scheme is adopted, the return spring 721 is arranged in the guide sleeve 720, and the return spring 721 plays a role of assisting the compression spring 750 to further absorb the energy of the vibration; a sealing ring 731 is arranged between the outer walls of the baffle 730 and the guide columns 740, so that the phenomenon that dust in the air enters the guide sleeve 720 to cause blockage in the guide sleeve 720 and influence the relative sliding of the baffle 730 and the guide columns 740 is effectively avoided.
Example 5
The present embodiment is further optimized on the basis of embodiment 1 as follows: the grasping unit 8 comprises a fixing plate 810, a grasping nail 840, a ground breaking nail 820, a lifting plate 850, a guide spring 830 and a limiting block 860; the lower end of the auxiliary supporting block 760 is upwards recessed to form a placing groove, the fixing plate 810 is arranged in the placing groove, the upper end of the soil breaking nail 820 penetrates through the fixing plate 810 and is connected with the inner wall of the placing groove, the lifting plate 850 is sleeved on the soil breaking nail 820 and can move up and down along the soil breaking nail 820, the guide spring 830 is positioned between the fixing plate 810 and the lifting plate 850, the plurality of gripping nails 840 are annularly distributed on the periphery of the lifting plate 850, and the upper end of any gripping nail 840 is hinged with the fixing plate 810; the limiting block 860 is located at the lower end of the soil breaking nail 820.
After the technical scheme is adopted, the grasping unit 8 is further arranged at the lower end of the elastic supporting unit 7, and by the grasping unit 8, when the elastic supporting unit 7 is acted by a downward force, the grasping unit 8 is enabled to be deep into the lower end of the ground, so that the auxiliary supporting block 760 is prevented from sliding relatively, the situation that the mining machine slides and even slides to the side due to high vibration strength when the external force is too large in the using process of the mining machine is ensured, and the use safety of the mining machine is ensured; the working principle is as follows: the outer layer of ground is broken through to broken soil nail 820, the inclination angle of grasping nail 840 is little simultaneously, the inclination angle with ground is 10-20, grasping nail 840 also can break the outer layer of ground very easily, broken soil nail 820 continues to move down under the effect of continuous downward external force, lifter plate 850 moves up, and compress guide spring 830, the external diameter of lifter plate 850 is greater than the circular internal diameter that a plurality of grasping nails 840 ring form, the outside of lifter plate 850 and grasping nail 840 contact each other, in the continuous ascending process of lifter plate 850, the contact position of lifter plate 850 and grasping nail 840 also gradually moves up, make grasping nail 840 and the inclination angle of bottom surface increase gradually, and then realize grasping ground.
Example 6
The present embodiment is further optimized on the basis of embodiment 1 as follows: the soil breaking nail 820 is provided with a plurality of chip grooves 8201 along the vertical direction. A reinforcing rib 11 is connected between any connecting rod 710 and the supporting plate 1.
After the technical scheme is adopted, the side wall of the soil breaking nail 820 is provided with the plurality of chip removal grooves 8201 along the vertical direction, so that the ground can be easily broken in the downward moving process of the soil breaking nail 820.
The above description is only for the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes equivalent to the contents of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The novel supporting device of the coal mining machine comprises a supporting plate (1), wherein a telescopic column (2) is arranged at the lower end of the supporting plate (1), and a placing plate (3) is arranged at the upper end of the supporting plate (1);
the novel telescopic column is characterized in that a buffer device (4) is further connected between the supporting plate (1) and the placing plate (3), the telescopic column (2) comprises a movable column (210) and a fixed sleeve (220) located at the lower end of the movable column (210), the lower end of the fixed sleeve (220) is connected with a bearing plate (10), a damping spring (230) is connected to the lower end of the movable column (210) after the lower end of the movable column stretches into the fixed sleeve (220), a connecting ring (6) is sleeved on the outer wall of the movable column (210), at least three elastic supporting units (7) are arranged in an annular array on the outer wall of the connecting ring (6), and the lower end of each elastic supporting unit (7) is further provided with a grasping unit (8).
2. The new support device of a shearer loader according to claim 1, characterized in that the buffer device (4) comprises a housing (450), an upper buffer block (410), a lower buffer block (430), a buffer bump (420) and an elastic ball (440);
casing (450) upper end opening and inside lateral buckling form cushion chamber (5), it all is located cushion chamber (5) with lower cushion block (430) to go up cushion block (410), the upper end of going up cushion block (410) and placing board (3) interconnect, go up cushion block (410) and lower cushion block (430) relative one side dislocation set up a plurality of buffering arch (420), a plurality of elastic ball (440) are located down between the lower extreme of cushion block (430) and the lower extreme of cushion chamber (5).
3. The new support device of shearer loader according to claim 1, characterized by the elastic support unit (7) comprising guide posts (740), guide sleeves (720), compression springs (750), baffles (730), connecting rods (710) and auxiliary support blocks (760);
one end of the connecting rod (710) is connected with the connecting ring (6), the lower end of the other end of the connecting rod (710) is connected with the guide sleeve (720), the lower end of the guide sleeve (720) is connected with the baffle (730), the upper end of the guide column (740) extends into the guide sleeve (720), the lower end of the guide column (740) is connected with the auxiliary supporting block (760), and the compression spring (750) is sleeved on the periphery of the guide column (740) and located between the baffle (730) and the auxiliary supporting block (760).
4. The new support device of shearer loader as claimed in claim 3, characterized by that inside the guide sleeve (720) there is also a return spring (721); and a sealing ring (731) is also arranged between the baffle (730) and the outer wall of the guide sleeve (720).
5. The new support device of shearer loader according to claim 3, characterized in that the gripping unit (8) comprises a fixing plate (810), gripping nails (840), breaking nails (820), lifting plate (850), guide springs (830) and limit blocks (860);
the lower end of the auxiliary supporting block (760) is upwards recessed to form a placing groove, the fixing plate (810) is arranged in the placing groove, the upper end of the soil breaking nail (820) penetrates through the fixing plate (810) to be connected with the inner wall of the placing groove, the lifting plate (850) is sleeved on the soil breaking nail (820) and can move up and down along the soil breaking nail (820), the guide spring (830) is located between the fixing plate (810) and the lifting plate (850), the plurality of gripping nails (840) are annularly distributed on the periphery of the lifting plate (850), and the upper end of any gripping nail (840) is hinged to the fixing plate (810); the limiting block (860) is positioned at the lower end of the soil breaking nail (820).
6. The novel supporting device of the coal mining machine as claimed in claim 5, characterized in that the soil breaking nail (820) is provided with a plurality of chip grooves (8201) along the vertical direction.
7. The new support device of shearer loader according to claim 3, characterized by that between any of the connecting rods (710) and the support plate (1) there is connected a reinforcement bar (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920980502.3U CN210105851U (en) | 2019-06-26 | 2019-06-26 | Novel supporting device of coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920980502.3U CN210105851U (en) | 2019-06-26 | 2019-06-26 | Novel supporting device of coal mining machine |
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| Publication Number | Publication Date |
|---|---|
| CN210105851U true CN210105851U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920980502.3U Expired - Fee Related CN210105851U (en) | 2019-06-26 | 2019-06-26 | Novel supporting device of coal mining machine |
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| Country | Link |
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| CN (1) | CN210105851U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729738A (en) * | 2020-12-29 | 2021-04-30 | 中国科学院地质与地球物理研究所 | Double-table vibration test device |
| CN112763171A (en) * | 2020-12-29 | 2021-05-07 | 中国科学院地质与地球物理研究所 | Well drilling tool vibration test auxiliary device and auxiliary system |
| CN112942113A (en) * | 2021-01-27 | 2021-06-11 | 中铁十六局集团有限公司 | A template that can heat for wet seam maintenance of section roof beam |
| CN113622919A (en) * | 2021-08-26 | 2021-11-09 | 宁夏天地西北煤机有限公司 | Anti-slip device and displacement type belt conveyor |
| WO2023108323A1 (en) * | 2021-12-13 | 2023-06-22 | 中国科学院地质与地球物理研究所 | Double-table vibration test apparatus |
-
2019
- 2019-06-26 CN CN201920980502.3U patent/CN210105851U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729738A (en) * | 2020-12-29 | 2021-04-30 | 中国科学院地质与地球物理研究所 | Double-table vibration test device |
| CN112763171A (en) * | 2020-12-29 | 2021-05-07 | 中国科学院地质与地球物理研究所 | Well drilling tool vibration test auxiliary device and auxiliary system |
| CN112942113A (en) * | 2021-01-27 | 2021-06-11 | 中铁十六局集团有限公司 | A template that can heat for wet seam maintenance of section roof beam |
| CN113622919A (en) * | 2021-08-26 | 2021-11-09 | 宁夏天地西北煤机有限公司 | Anti-slip device and displacement type belt conveyor |
| CN113622919B (en) * | 2021-08-26 | 2023-06-16 | 宁夏天地西北煤机有限公司 | Anti-slip device and displacement type belt conveyor |
| WO2023108323A1 (en) * | 2021-12-13 | 2023-06-22 | 中国科学院地质与地球物理研究所 | Double-table vibration test apparatus |
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