CN210510780U - Movable support piece of coal mining machine - Google Patents
Movable support piece of coal mining machine Download PDFInfo
- Publication number
- CN210510780U CN210510780U CN201921611612.9U CN201921611612U CN210510780U CN 210510780 U CN210510780 U CN 210510780U CN 201921611612 U CN201921611612 U CN 201921611612U CN 210510780 U CN210510780 U CN 210510780U
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- CN
- China
- Prior art keywords
- wall
- supporting seat
- damping
- groove
- plate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000003245 coal Substances 0.000 title claims description 19
- 238000005065 mining Methods 0.000 title claims description 16
- 238000013016 damping Methods 0.000 claims abstract description 54
- 238000007789 sealing Methods 0.000 claims description 24
- 230000007246 mechanism Effects 0.000 claims description 12
- 239000000428 dust Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 7
- 239000007924 injection Substances 0.000 claims description 7
- 230000003139 buffering effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 230000035939 shock Effects 0.000 abstract description 8
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a coal-winning machine activity support piece, which comprises a supporting seat, the mounting groove has been seted up at supporting seat bottom outer wall middle part, and has all seted up the installing port, two in the top inner wall both sides of settling department the installing port all runs through the supporting seat, and just two installing port inner walls articulate through the bolt has same support piston shoes, supporting seat top outer wall center department has seted up the spout, and spout inner wall sliding connection has T shape movable leg, the inside built-in groove that leaves of supporting seat, and built-in groove and spout are linked together, T shape movable leg bottom mounting has first shock attenuation board, and first shock attenuation board is located built-in inslot. The utility model discloses when producing vibrations, first damping spring carries out partly shock attenuation, and T shape activity leg is down, and first damping plate and second damping plate absorb most vibrations power, and then a plurality of second damping spring and circular bottom plate cooperation are given the absorption to remaining part vibrations power, and the vibrations power disappears basically, realizes absorbing effect.
Description
Technical Field
The utility model relates to a coal-winning machine technical field especially relates to a coal-winning machine activity support piece.
Background
At present, when a coal mining machine cuts coal underground, particularly when the coal mining machine cuts coal or rocks with high coal hardness, the coal mining machine can generate great vibration, the vibration force is mainly transmitted to a rocker arm by a roller of the coal mining machine, the rocker arm is hinged with a machine body so as to transmit the vibration to the whole machine, and therefore the movable supporting component needs to be subjected to damping treatment.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a movable support piece of a coal mining machine.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a movable supporting piece of a coal mining machine comprises a supporting seat, wherein a placing groove is formed in the middle of the outer wall of the bottom of the supporting seat, mounting ports are formed in two sides of the inner wall of the top of the placing portion, the two mounting ports penetrate through the supporting seat, the inner walls of the two mounting ports are hinged to a same supporting sliding shoe through bolts, a sliding groove is formed in the center of the outer wall of the top of the supporting seat, a T-shaped movable leg is connected to the inner wall of the sliding groove in a sliding mode, an inner groove is reserved inside the supporting seat and communicated with the sliding groove, a first damping plate is fixed to the bottom end of the T-shaped movable leg and located in the inner groove, the first damping plate is in sliding fit with the inner wall of the inner groove, a second damping plate is fixed to the inner wall of the bottom of the inner groove, buffering mechanisms distributed at equal intervals are fixed to the outer wall, and a sealing mechanism is arranged in the oil injection channel.
Preferably, first damping springs are fixed to two sides of the outer wall of the top of the T-shaped movable leg, and the bottom ends of the two first damping springs are fixedly connected with the outer wall of the top of the supporting seat.
Preferably, sealing mechanism includes sealed lid, connecting rod and rubber buffer, and sealed lid and support seat looks joint, the connecting rod is fixed in one side outer wall center department that sealed lid is close to oiling passageway, and rubber buffer and connecting rod fixed connection.
Preferably, the connecting part of the sliding groove and the T-shaped movable leg is sleeved with a sealing ring, an annular plate is fixed on the outer wall of the sealing ring, an annular groove matched with the annular plate is formed in the outer wall of the bottom of the top of the T-shaped movable leg, and the annular plate is located between the two first damping springs.
Preferably, a dustproof ring is fixed at the top of the outer wall of the supporting seat and forms sliding fit with the outer wall of the T-shaped movable leg.
Preferably, the buffer mechanism comprises a second damping spring and a circular bottom plate, the second damping spring is fixed on the outer wall of the bottom of the first damping plate, and the circular bottom plate is fixedly connected with the bottom end of the second damping spring.
The utility model has the advantages that:
1. this coal-winning machine activity support piece, when producing vibrations, first damping spring carries out partly shock attenuation, T shape activity leg is down, first damping plate and second damping plate absorb most vibrations power, then a plurality of second damping spring and circular bottom plate cooperation are given the absorption to remaining part vibrations power, the vibrations power disappears basically, realize absorbing effect, and a plurality of second springs and circular bottom plate can avoid first damping plate and second damping plate direct contact, protect first damping plate and second damping plate life.
2. This coal-winning machine activity support piece, sealing mechanism has been set up on the oiling passageway, can make and avoid the dust to get into in the spout from the oiling passageway, cause wearing and tearing to T shape activity leg, simultaneously when the pull rubber buffer, can give the oil stain of in the oiling passageway and scrape out, the dirt proof ring can prevent that the dust from getting into the space between T shape activity leg top and supporting seat top outer wall, sealing ring and annular slab can prevent the device when the shock attenuation operation, the dust gets into T shape activity leg pole portion, realize dustproof effect, whole setting is simple and practical.
Drawings
Fig. 1 is a schematic view of a vertical cross-sectional structure of a movable support member of a coal mining machine according to the present invention;
fig. 2 is an enlarged structural diagram of a in fig. 1.
In the figure: the rubber-insulated sliding shoe comprises a supporting seat 1, a supporting sliding shoe 2, a movable leg 3T-shaped, a first damping spring 4, an annular plate 5, a sealing ring 6, an oil injection channel 7, a first damping plate 8, a second damping spring 9, a second damping plate 10, a circular bottom plate 11, a dust-proof ring 12, a sealing cover 13, a connecting rod 14 and a rubber plug 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a movable supporting member of a coal mining machine comprises a supporting seat 1, a mounting groove is arranged in the middle of the outer wall of the bottom of the supporting seat 1, mounting ports are arranged on two sides of the inner wall of the top of the mounting position, the two mounting ports penetrate through the supporting seat 1, the inner walls of the two mounting ports are hinged with a same supporting sliding shoe 2 through bolts, a sliding groove is arranged in the center of the outer wall of the top of the supporting seat 1, a T-shaped movable leg 3 is connected to the inner wall of the sliding groove in a sliding manner, a built-in groove is reserved in the supporting seat 1 and communicated with the sliding groove, a first damping plate 8 is fixed at the bottom end of the T-shaped movable leg 3, the first damping plate 8 is positioned in the built-in groove, the first damping plate 8 forms a sliding fit with the inner wall of the built-in groove, a second damping plate 10 is fixed on the inner wall of, and a sealing mechanism is arranged in the oil injection channel 7, the two sides of the outer wall of the bottom of the top of the T-shaped movable leg 3 are both fixed with first damping springs 4, the bottom ends of the two first damping springs 4 are fixedly connected with the outer wall of the top of the supporting seat 1, the sealing mechanism comprises a sealing cover 13, a connecting rod 14 and a rubber plug 15, the sealing cover 13 is clamped with the supporting seat 1, the connecting rod 14 is fixed at the center of the outer wall of one side of the sealing cover 13 close to the oil injection channel 7, the rubber plug 15 is fixedly connected with the connecting rod 14, a sealing ring 6 is sleeved at the joint of the chute and the T-shaped movable leg 3, an annular plate 5 is fixed on the outer wall of the sealing ring 6, an annular groove matched with the annular plate 5 is formed on the outer wall of the bottom of the top of the T-shaped movable leg 3, the annular plate 5 is positioned between the two first damping springs 4, buffer gear includes second damping spring 9 and circular bottom plate 11, and second damping spring 9 is fixed in the bottom outer wall of first damping plate 8, and circular bottom plate 11 and second damping spring 9 bottom fixed connection.
The working principle is as follows: when producing vibrations, first damping spring 4 carries out some shock attenuation, T shape movable leg 3 descends, first damping plate 8 and second damping plate 10 absorb most vibrations power, then a plurality of second damping spring 9 and circular bottom plate 11 cooperate and give the absorption to remaining partial vibrations power, the vibrations power disappears basically, realize the shock attenuation, sealing mechanism can make and avoid in the dust gets into the spout from oiling passageway 7, cause wearing and tearing to T shape movable leg 2, simultaneously when pull rubber buffer 15, can give the scraping to the oil stain in oiling passageway 7, dirt ring 12 can prevent that the dust from getting into the space between 3 tops of T shape movable leg and 1 top outer wall of supporting seat, sealing ring 6 and annular plate 5 can prevent the device when the shock attenuation operation, the dust gets into 3 pole portions of T shape movable leg, realize dustproof, whole setting is simple and practical.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A movable supporting piece of a coal mining machine comprises a supporting seat (1) and is characterized in that a placement groove is formed in the middle of the outer wall of the bottom of the supporting seat (1), mounting ports are formed in two sides of the inner wall of the top of the placement position, the two mounting ports penetrate through the supporting seat (1), the inner walls of the two mounting ports are hinged to a same supporting sliding shoe (2) through bolts, a sliding groove is formed in the center of the outer wall of the top of the supporting seat (1), a T-shaped movable leg (3) is connected to the inner wall of the sliding groove in a sliding mode, a built-in groove is reserved inside the supporting seat (1) and communicated with the sliding groove, a first damping plate (8) is fixed to the bottom end of the T-shaped movable leg (3), the first damping plate (8) is located in the built-in groove, the first damping plate (8) and the inner wall of the built-in groove form, the damping device is characterized in that buffering mechanisms distributed at equal intervals are fixed on the outer wall of the bottom of the first damping plate (8), oil injection channels (7) are formed in the outer walls of the two sides of the supporting seat (1), and sealing mechanisms are arranged in the oil injection channels (7).
2. The movable support of the coal mining machine as claimed in claim 1, characterized in that the first damping springs (4) are fixed on both sides of the bottom outer wall of the top of the T-shaped movable leg (3), and the bottom ends of the two first damping springs (4) are fixedly connected with the top outer wall of the supporting seat (1).
3. The movable support of the coal mining machine according to claim 1, characterized in that the sealing mechanism comprises a sealing cover (13), a connecting rod (14) and a rubber plug (15), the sealing cover (13) is clamped with the supporting seat (1), the connecting rod (14) is fixed at the center of the outer wall of one side of the sealing cover (13) close to the oil injection channel (7), and the rubber plug (15) is fixedly connected with the connecting rod (14).
4. The movable support of the coal mining machine according to claim 1, characterized in that a sealing ring (6) is sleeved at the joint of the chute and the T-shaped movable leg (3), an annular plate (5) is fixed on the outer wall of the sealing ring (6), an annular groove matched with the annular plate (5) is formed in the outer wall of the bottom of the top of the T-shaped movable leg (3), and the annular plate (5) is located between the two first damping springs (4).
5. The movable support of the coal mining machine as claimed in claim 1, characterized in that a dust ring (12) is fixed on the top of the outer wall of the support base (1), and the dust ring (12) is in sliding fit with the outer wall of the T-shaped movable leg (3).
6. The movable support of the coal mining machine as claimed in claim 2, characterized in that the buffer mechanism comprises a second damping spring (9) and a circular bottom plate (11), the second damping spring (9) is fixed on the outer wall of the bottom of the first damping plate (8), and the circular bottom plate (11) is fixedly connected with the bottom end of the second damping spring (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921611612.9U CN210510780U (en) | 2019-09-26 | 2019-09-26 | Movable support piece of coal mining machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921611612.9U CN210510780U (en) | 2019-09-26 | 2019-09-26 | Movable support piece of coal mining machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210510780U true CN210510780U (en) | 2020-05-12 |
Family
ID=70571559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921611612.9U Expired - Fee Related CN210510780U (en) | 2019-09-26 | 2019-09-26 | Movable support piece of coal mining machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210510780U (en) |
-
2019
- 2019-09-26 CN CN201921611612.9U patent/CN210510780U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 |