CN211174101U - Coal mining machine body and coal mining machine with ultra-large mining height - Google Patents
Coal mining machine body and coal mining machine with ultra-large mining height Download PDFInfo
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- CN211174101U CN211174101U CN201922153977.8U CN201922153977U CN211174101U CN 211174101 U CN211174101 U CN 211174101U CN 201922153977 U CN201922153977 U CN 201922153977U CN 211174101 U CN211174101 U CN 211174101U
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Abstract
The utility model discloses a coal mining machine body and a coal mining machine with an ultra-large mining height, which comprises a left traction part, a right traction part, an electric cabinet and a walking box; the left traction part is fixedly arranged on the left side of the electric cabinet, and the right traction part is fixedly arranged on the right side of the electric cabinet; the front sides of the left traction part and the right traction part are respectively provided with one walking box; the rear sides of the left traction part and the right traction part are respectively provided with a slipper supporting leg; at least one pull rod is connected between the two walking boxes, and at least one pull rod is also connected between the two skid shoe supporting legs. The utility model discloses a coal-winning machine fuselage and super large mining height coal-winning machine, reasonable in design, the reliability is high, and the practicality is strong, and the complete machine rigidity is good, and anti-vibration ability is strong to guarantee the coal-winning machine steady operation. The whole machine has good working stability, and can effectively solve the problem of failure rate caused by high machine body and heavy dead weight in the use process of a heavy mining machine with large mining height.
Description
Technical Field
The utility model relates to a coal mining equipment technical field especially relates to a coal-winning machine fuselage and super large mining height coal-winning machine.
Background
Nowadays, the coal mining is basically mechanized, a drum shearer is used as a core device for mechanized mining of a fully mechanized working face, and the operation stability, the failure rate and the like of the drum shearer directly influence the coal mining efficiency. Aiming at various super-thick coal seams in various regions in China, a coal mining machine with high cutting efficiency, large traction force, high traveling speed, high power, large mining height, high performance and high reliability is urgently needed to be researched and developed.
Due to the complex and severe working environment of the coal mining machine, uneven load change of the machine body of the coal mining machine is caused by the fact that uneven, discontinuous and irregular coal rocks with different properties are frequently encountered in the working process, various impact loads are frequently encountered, vibration phenomena such as machine body jumping and the like are generated, so that some key components (such as mechanical parts, hydraulic elements, electrical elements and the like) on the machine body of the coal mining machine are frequently damaged due to overlarge overload vibration in the working process, and the working reliability and the service life of the machine are reduced.
In view of this, it is necessary to provide a shearer body with a high body rigidity and a shearer with an ultra-large mining height.
SUMMERY OF THE UTILITY MODEL
The technical scheme of the utility model provides a coal mining machine body, which comprises a left traction part, a right traction part, an electric cabinet and a walking box;
the left traction part is fixedly arranged on the left side of the electric cabinet, and the right traction part is fixedly arranged on the right side of the electric cabinet;
the front sides of the left traction part and the right traction part are respectively provided with one walking box;
the rear sides of the left traction part and the right traction part are respectively provided with a slipper supporting leg;
the two slipper legs are respectively arranged at the rear sides of the two walking boxes;
at least one pull rod is connected between the two walking boxes, and at least one pull rod is also connected between the two skid shoe supporting legs.
Further, the pull rod is a box-type pull rod.
Further, the cross sections of the left traction part, the right traction part and the electric cabinet are T-shaped along the front-back direction.
Further, a bridge type stiffening beam is connected between the slipper supporting leg and the corresponding walking box.
Furthermore, two ends of the bridge type stiffening beam are respectively connected with the slipper supporting legs and the walking box through bolts;
and a nut is connected to the bolt, and a check washer is arranged between the nut and the bridge type stiffening beam.
Further, the anti-loosening gasket comprises a first gasket and a second gasket which are oppositely arranged, and sawteeth are respectively arranged on the first gasket and the second gasket;
the first gasket is fixed on the bridge type stiffening beam, and the second gasket is connected between the first gasket and the nut;
the serrated portion on the first gasket is meshed with the serrated portion on the second gasket.
Further, the walking box comprises a box body and a walking mechanism;
the travelling mechanism is hinged on the box body and is positioned below the box body;
and a sliding groove used for matching with the rail is arranged in the travelling mechanism.
Further, a gear matched with the rack is further arranged in the sliding groove.
Furthermore, a plurality of protective gaskets are arranged on the groove wall of the sliding groove.
The utility model discloses technical scheme still provides a super large mining height coal-winning machine, including aforementioned arbitrary technical scheme coal-winning machine fuselage.
By adopting the technical scheme, the method has the following beneficial effects:
the utility model provides a coal-winning machine fuselage and super large mining height coal-winning machine, through with left traction portion, electric cabinet, right traction portion fixed connection, will walk case fixed connection on left traction portion and right traction portion to connect through the pull rod between left traction portion and right traction portion, improve holistic structural strength and rigidity, not only improved the rigidity and the anti-vibration ability of coal-winning machine supporting leg, effectively improve the holistic atress condition of coal-winning machine, improved the stability of coal-winning machine at work.
Drawings
Fig. 1 is a schematic structural diagram of a coal mining machine body provided by an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the left traction portion taken along the front-rear direction;
FIG. 3 is a schematic view of a bridge reinforcement beam connected between the slipper leg and the walking box;
FIG. 4 is a schematic view of a bolt with a locking washer mounted thereon;
FIG. 5 is a front view of the walking box;
FIG. 6 is a side view of the walking box shown in FIG. 5;
FIG. 7 is a front view of a slipper leg.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-2, the embodiment of the utility model provides a coal mining machine body, including left traction part 1, right traction part 3, electric cabinet 2 and walking case 4.
The left traction part 1 is fixedly arranged on the left side of the electric cabinet 2, and the right traction part 3 is fixedly arranged on the right side of the electric cabinet 2.
The front sides of the left traction part 1 and the right traction part 3 are respectively provided with a walking box 4.
One slipper leg 5 is mounted on the rear side of each of the left traction part 1 and the right traction part 3.
Two skid shoe legs 5 are arranged correspondingly on the rear side of the two walking boxes 4.
At least one tie rod 6 is connected between the two walking boxes 4, and at least one tie rod 6 is also connected between the two slipper legs 5.
The utility model provides a coal-winning machine fuselage can be used for on the super large height coal-winning machine that adopts, and the height of adopting of super large height coal-winning machine is greater than 7m, can reach 8.8m
The coal mining machine body comprises a left traction part 1, an electric cabinet 2, a right traction part 3, a walking box 4, a skid shoe supporting leg 5 and a pull rod 6.
The left traction part 1 and the right traction part 3 are fixedly arranged at the left end and the right end of the electric cabinet 2. The upper parts of the left traction part 1 and the right traction part 3 are hinged with a rocker arm 11 for installing a cutting drum.
The traction part is a general name of a walking-traction mechanism and a driving device thereof.
The electric cabinet 2 is used for mounting electric components such as a motor and the like.
The travelling box 4 is part of the tractor for mounting a travelling mechanism enabling the shearer to travel on the track of the conveyor.
In the front-rear direction shown in fig. 1, one traveling box 4 is mounted on the front side of each of the left traction portion 1 and the right traction portion 3, one shoe leg 5 is mounted on the rear side of each of the left traction portion 1 and the right traction portion 3, and the two shoe legs 5 are disposed on the rear side of the two traveling boxes 4, respectively. A skid foot leg 5 is arranged at a distance from the front to the rear of a walking box 4.
As shown in fig. 7, the slipper leg 5 includes a leg body 51 and a guide slipper 52 hinged below the leg body 51 for walking of the shearer body. The leg body 51 is fixedly mounted on the left traction part 1 and the right traction part 3.
At least one draw bar 6 is connected between the walking boxes 4 on both sides. The two ends of the pull rod 6 are respectively connected with the walking boxes 4 on the two sides through bolts so as to increase the connection stability between the two walking boxes 4.
At least one tie rod 6 is connected between the skid shoe legs 5 on both sides. Two ends of the pull rod 6 are respectively connected with the skid shoe supporting legs 5 at two sides through bolts so as to increase the connection stability between the two walking boxes 4.
The pull rod 6 can be a night pressing pull rod and can stretch out and draw back.
Therefore, the utility model provides a coal-winning machine fuselage through with left traction portion, electric cabinet, right traction portion fixed connection, will walk case fixed connection on left traction portion and right traction portion to connect through the pull rod between left traction portion and right traction portion, improve holistic structural strength and rigidity, not only improved the rigidity and the anti-vibration ability of coal-winning machine supporting leg, effectively improved the holistic atress condition of coal-winning machine, improved the stability of coal-winning machine at work.
Preferably, the draw bar 6 is a box-type draw bar, which is a draw bar with a rectangular cross section and has strong bending resistance, so that the walking boxes 4 on two sides can be firmly connected together. The box-type pull rod pre-tightens the walking boxes 4 on the left side and the right side and the sliding shoe supporting legs 5 on the left side and the right side, counteracts the counterforce of the coal mining machine during walking, and improves the fastening rigidity of the three-section machine body.
Preferably, the cross-section of the left traction part 1, the right traction part 3 and the electric cabinet 2 is T-shaped in the front-rear direction. As shown in fig. 2, the rear side of the top surface of the left traction part 1 has an upwardly extending extension 12 for mounting a cylinder that drives the swing arm 11. The rear side of the bottom surface of the left traction part 1 has a downwardly extending extension for mounting the slipper leg 5. Therefore, the cross section of the left traction part 1 is in a transverse T shape, and the structural strength of the left traction part 1 is improved. The structure of the right traction part 3 is similar to that of the left traction part 1, and the right traction part is also in a transverse T-shaped structure, so that the structural strength of the right traction part 3 is improved. The rear end of the top surface of the electric cabinet 2 is provided with an extending part extending upwards, and the rear end of the bottom surface of the electric cabinet is provided with an extending part extending downwards, so that the cross section of the electric cabinet 2 is in a transverse T shape, and the structural strength of the electric cabinet 2 is improved.
Preferably, as shown in fig. 3, bridge reinforcement beams 7 are connected between the slipper legs 5 and the corresponding walking boxes 4. The bridge type stiffening beam 7 is fastened between the slipper supporting leg 5 and the top end of the walking box 4, the connection stability between the slipper supporting leg 5 and the walking box 4 is improved, the rigidity of the whole structure is improved,
preferably, as shown in fig. 3-4, the bridge reinforcement beam 7 is connected at both ends to the slipper leg 5 and the walking box 4 by bolts 71, respectively.
A nut 72 is connected to the bolt 7, and a lock washer 73 is provided between the nut 72 and the bridge reinforcement beam 7.
One end of the bridge reinforcement beam 7 is connected to the slipper leg 5 by at least one bolt 71, and the other end thereof is connected to the walking box 4 by at least one bolt 71.
In order to prevent the nut 72 from loosening, a lock washer 73 is provided on each bolt 71, so that the nut 72 can be prevented from loosening and falling off.
Preferably, as shown in fig. 4, the anti-loose pad 73 includes two pieces of first and second pads 731 and 732 arranged opposite to each other, and the first and second pads 731 and 732 are respectively provided with a serration part 733. The first washer 731 is fixed to the bridge reinforcement beam 7, and the second washer 732 is connected between the first washer 731 and the nut 72. The serrations 733 on the first pad 731 engage the serrations 733 on the second pad 732.
The anti-loose washer 73 includes a first washer 731 and a second washer 732, the first washer 731 is fixed on the bridge reinforcement beam 7, and the second washer 732 is clamped between the first washer 731 and the nut 72, and the serrated portion 733 of the first washer 731 is engaged with the serrated portion 733 of the second washer 732, so that the second washer 732 is prevented from rotating, and the nut 72 is prevented from loosening and falling off.
Preferably, as shown in fig. 5 to 6, the traveling box 4 includes a box body 41 and a traveling mechanism 42. The running mechanism 42 is hinged on the box body 41 and is positioned below the box body 41. The running mechanism 42 is provided with a sliding groove 421 for rail fitting.
The chute 421 is used for matching with a guide rail or a track on the conveyor, and the chute 421 is buckled on the guide rail, so that the chute can move along the guide rail, and the body of the coal mining machine can travel.
Preferably, as shown in fig. 5-6, a gear 422 for engaging with a rack is further disposed in the chute 421, the gear 422 can engage with a rack on a guide rail/track of the conveyor, and a driving motor for driving the gear 422 to rotate is disposed in the box 41, so that the gear 422 can rotate on the rack, thereby moving the body of the coal mining machine.
Preferably, as shown in fig. 5-6, a plurality of protective pads 433 are further disposed on the groove wall of the sliding groove 421, so as to protect the groove wall of the sliding groove 421 and reduce the contact wear with the guide rail. The protective pad 433 may be a metal pad or a plastic pad.
With reference to fig. 1-7, an embodiment of the present invention further provides a coal mining machine with an ultra-large mining height, including the coal mining machine body according to any of the foregoing embodiments.
In the application, a coal mining machine with the mining height of 3.5m-7m is called a large-mining-height coal mining machine, and a coal mining machine with the mining height of more than 7m is called an ultra-large-mining-height coal mining machine.
The mining height of the coal mining machine with the ultra-large mining height can be 8.8 meters, and the coal mining machine with the ultra-large mining height is provided.
The utility model provides a coal-winning machine fuselage and super large mining height coal-winning machine, reasonable in design, the reliability is high, and the practicality is strong, and the complete machine rigidity is good, and anti-vibration ability is strong to guarantee the coal-winning machine steady operation. The whole machine has good working stability, and can effectively solve the problem of failure rate caused by high machine body and heavy dead weight in the use process of a heavy mining machine with large mining height.
According to the needs, the above technical schemes can be combined to achieve the best technical effect.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (10)
1. A coal mining machine body is characterized by comprising a left traction part, a right traction part, an electric cabinet and a walking box;
the left traction part is fixedly arranged on the left side of the electric cabinet, and the right traction part is fixedly arranged on the right side of the electric cabinet;
the front sides of the left traction part and the right traction part are respectively provided with one walking box;
the rear sides of the left traction part and the right traction part are respectively provided with a slipper supporting leg;
the two slipper legs are respectively arranged at the rear sides of the two walking boxes;
at least one pull rod is connected between the two walking boxes, and at least one pull rod is also connected between the two skid shoe supporting legs.
2. The shearer body according to claim 1, wherein the draw bar is a box draw bar.
3. The shearer body according to claim 1, wherein the left traction portion, the right traction portion, and the electric cabinet are T-shaped in cross section along the front-rear direction.
4. The shearer body according to claim 1, wherein a bridge reinforcement beam is connected between the skid shoe legs and the respective walking boxes.
5. The shearer body according to claim 4, wherein both ends of the bridge reinforcement beam are connected to the skid shoe legs and the traveling box by bolts, respectively;
and a nut is connected to the bolt, and a check washer is arranged between the nut and the bridge type stiffening beam.
6. The shearer body according to claim 5, wherein the anti-loosening gasket comprises a first gasket and a second gasket which are arranged oppositely, and a sawtooth part is respectively arranged on the first gasket and the second gasket;
the first gasket is fixed on the bridge type stiffening beam, and the second gasket is connected between the first gasket and the nut;
the serrated portion on the first gasket is meshed with the serrated portion on the second gasket.
7. The shearer body according to claim 1, wherein the traveling box includes a box and a traveling mechanism;
the travelling mechanism is hinged on the box body and is positioned below the box body;
and a sliding groove used for matching with the rail is arranged in the travelling mechanism.
8. The shearer body according to claim 7, wherein a gear for engaging with a rack is further provided in the chute.
9. The shearer body according to claim 7, wherein a plurality of protective spacers are further disposed on the walls of the chutes.
10. A shearer loader with an ultra-large mining height, characterized by comprising a shearer body according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922153977.8U CN211174101U (en) | 2019-12-04 | 2019-12-04 | Coal mining machine body and coal mining machine with ultra-large mining height |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922153977.8U CN211174101U (en) | 2019-12-04 | 2019-12-04 | Coal mining machine body and coal mining machine with ultra-large mining height |
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| CN211174101U true CN211174101U (en) | 2020-08-04 |
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| CN201922153977.8U Active CN211174101U (en) | 2019-12-04 | 2019-12-04 | Coal mining machine body and coal mining machine with ultra-large mining height |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116147696A (en) * | 2022-12-31 | 2023-05-23 | 天地上海采掘装备科技有限公司 | Device and method for monitoring connection strength of coal mining machine body |
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2019
- 2019-12-04 CN CN201922153977.8U patent/CN211174101U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116147696A (en) * | 2022-12-31 | 2023-05-23 | 天地上海采掘装备科技有限公司 | Device and method for monitoring connection strength of coal mining machine body |
| CN116147696B (en) * | 2022-12-31 | 2023-10-13 | 天地上海采掘装备科技有限公司 | Device and method for monitoring connection strength of coal mining machine body |
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