CN214787396U - Random limiting device of development machine - Google Patents
Random limiting device of development machine Download PDFInfo
- Publication number
- CN214787396U CN214787396U CN202121321677.7U CN202121321677U CN214787396U CN 214787396 U CN214787396 U CN 214787396U CN 202121321677 U CN202121321677 U CN 202121321677U CN 214787396 U CN214787396 U CN 214787396U
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- Prior art keywords
- cylinder
- limiting
- hydro
- spacing
- oil cylinder
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 230000000903 blocking effect Effects 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 11
- 238000003754 machining Methods 0.000 claims 1
- 239000002023 wood Substances 0.000 abstract description 8
- 239000003245 coal Substances 0.000 description 9
- 239000011435 rock Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009933 burial Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a random stop device of entry driving machine, including entry driving machine walking portion, the spacing hydro-cylinder of entry driving machine, spacing hydro-cylinder base and spacing hydro-cylinder blocking device, spacing hydro-cylinder base includes spacing hydro-cylinder base, hydro-cylinder body lug bolt hole, hydro-cylinder bottom of the cylinder bolt, steel sheet and baffle, spacing hydro-cylinder blocking device includes hydro-cylinder piston lug bolt hole, hydro-cylinder head bolt and backup pad locking groove, the spacing hydro-cylinder of entry driving machine includes the spacing hydro-cylinder of entry driving machine and backup pad. The utility model discloses a be provided with entry driving machine walking portion, rely on entry driving machine walking portion processing to form, realized removing random access along with the entry driving machine, solved artifical stop device that moves and wasted time and energy and there is the problem of potential safety hazard, adopt the hydro-cylinder to replace spacing chain and spacing wood buttress, solved the problem that spacing wood buttress size can not change along with the scene and the unable firm problem of fastening of spacing chain, ensure the spacing steadiness of entry driving machine.
Description
Technical Field
The utility model relates to a colliery electromechanical technical field especially relates to a random stop device of entry driving machine.
Background
During the coal roadway excavation, the rock burst is often shown due to the influences of factors such as excavation disturbance, burial depth and structure, so that the roadway is damaged, equipment is displaced or damaged, personnel are injured and the like. The tunneling machine occupies a large roadway space and the residual safe space is small due to the large size and the heavy weight of the equipment; secondly, because of heavy weight of the equipment, when the rock burst appears to cause displacement, the damage to the equipment and nearby personnel is also great, therefore, when the heading machine is in a non-working state, the heading machine needs to be limited and managed, and the displacement caused by sudden pressure is prevented.
According to the field reality, the non-pedestrian side of the development machine is generally limited and fixed in a limiting chain mode, and the pedestrian side of the development machine is generally limited and fixed in a limiting wood pile processing mode, but the limiting mode has the following defects:
(1) when the heading machine moves, the limiting chains on the non-pedestrian sides need to be detached and connected at each time, which is labor-consuming, time-consuming and extremely inconvenient.
(2) Because the limiting chain is heavy, and a certain distance is reserved between every two chain rings, when the limiting chain is fastened, a certain sag is always reserved, and the limiting chain cannot be fastened in place completely.
(3) The wood pile on the pedestrian side of the heading machine is processed by connecting a plurality of sleepers, and the workers are heavy when moving.
(4) Because of being limited by the inherent size of spacing wood buttress, when the entry driving machine parking position is improper, spacing wood buttress leaves certain space with the lane group, and spacing is unreliable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a random limiting device of a heading machine.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the random limiting device of the heading machine comprises a heading machine walking part, a heading machine limiting oil cylinder, a limiting oil cylinder base and a limiting oil cylinder locking device, wherein the limiting oil cylinder base comprises a limiting oil cylinder base, an oil cylinder body lug bolt hole, an oil cylinder bottom bolt, a steel plate and a baffle plate, the limiting oil cylinder locking device comprises an oil cylinder piston lug bolt hole, an oil cylinder head bolt and a supporting plate locking groove, and the heading machine limiting oil cylinder comprises a heading machine limiting oil cylinder and a supporting plate.
Preferably, the limiting oil cylinder base is welded on the side face of the walking part of the heading machine, the bottom of the limiting oil cylinder base is a turning baffle formed by processing steel plates, the side face of the limiting oil cylinder base is welded on the turning baffle by the symmetrically arranged steel plates, and the corresponding position on the steel plate on the side face is provided with an oil cylinder body lug bolt hole.
Preferably, the limiting oil cylinder locking device is made of a steel plate and welded on the side face of the walking part of the heading machine, the distance between the limiting oil cylinder locking device and the limiting oil cylinder base is consistent with the length of the limiting oil cylinder of the heading machine when the limiting oil cylinder is not unfolded, and oil cylinder piston lug bolt holes are formed in corresponding positions of the upper end and the lower end of the steel plate.
Preferably, the bottom of the heading machine limiting oil cylinder is installed on the limiting oil cylinder base through an oil cylinder bottom bolt and an oil cylinder body lug bolt hole, and the top of the heading machine limiting oil cylinder is fixedly connected with the limiting oil cylinder locking device through an oil cylinder head bolt and an oil cylinder piston lug bolt hole.
Preferably, a liquid inlet pipe and a liquid return pipeline of the heading machine limiting oil cylinder respectively form a liquid supply system with the heading machine standby valve group.
The utility model has the advantages that:
1. the utility model discloses, through being provided with entry driving machine walking portion, it forms to rely on entry driving machine walking portion processing, has realized removing random access along with the entry driving machine, has solved artifical stop device that moves and has wasted time and energy and have the problem of potential safety hazard.
2. The utility model discloses, adopt the hydro-cylinder to replace spacing chain and spacing wood buttress, solved the problem that spacing wood buttress size can not change along with the scene and the unable firm problem of fastening of spacing chain, ensured the spacing steadiness of entry driving machine.
3. The utility model discloses, through being provided with spacing hydro-cylinder of entry driving machine and spacing hydro-cylinder base, rely on hydro-cylinder and operation valves, realized the quick spacing of entry driving machine and demolish spacingly, practiced thrift a large amount of activity time and labour, improved economic benefits, reduced intensity of labour.
4. The utility model discloses, through being provided with spacing hydro-cylinder blocking device, rely on blocking device, realized when stop device does not use stop device's fixed, stopped when rock burst shows that the people accident is hindered because of the fixed insecure ejection that takes place of stop device.
Drawings
Fig. 1 is a schematic view of a locking state of the random position-limiting device of the heading machine according to the present invention;
fig. 2 is a schematic view of a working state main view structure of the random limiting device of the heading machine provided by the utility model;
fig. 3 is a schematic structural view of an oil cylinder base of the random limiting device of the heading machine provided by the utility model;
fig. 4 is a schematic view of a spacing cylinder locking device of the random spacing device of the heading machine according to the present invention;
fig. 5 is the utility model provides a spacing hydro-cylinder blocking device overlooking structure schematic diagram of the random spacing device of the heading machine.
In the figure: the device comprises a heading machine walking part 1, a heading machine limiting oil cylinder 2, a limiting oil cylinder base 3, a limiting oil cylinder locking device 4, an oil cylinder body lug bolt hole 5, an oil cylinder bottom bolt 6, an oil cylinder piston lug bolt hole 7, an oil cylinder head bolt 8, a supporting plate locking groove 9, a supporting plate 10, a steel plate 11, a baffle plate 12 and a coal wall 13.
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.
Example one
Referring to fig. 1-5, a random position limiter for a heading machine comprises a heading machine walking part 1, a heading machine position limiting oil cylinder 2, a position limiting oil cylinder base 3 and a position limiting oil cylinder locking device 4, wherein the position limiting oil cylinder base 3 comprises an oil cylinder body lug bolt hole 5, an oil cylinder bottom bolt 6, a steel plate 11 and a baffle plate 12, the position limiting oil cylinder locking device 4 comprises an oil cylinder piston lug bolt hole 7, an oil cylinder head bolt 8 and a support plate locking groove 9, so that the support plate 10 can be clamped into the position limiting oil cylinder locking device 4 when the position limiter is in a locking state, the oil cylinder piston lug bolt hole 7 can be well corresponding to and locked with an oil cylinder piston lug, the heading machine position limiting oil cylinder 2 comprises a cylinder body, a piston, a cylinder body lug, a piston lug and a support plate 10, the contact area with a coal wall 13 when the heading machine position limiting oil cylinder 2 is in a working state is increased, the coal wall is prevented from sideslipping, the position limiting oil cylinder base 3 is welded on the side surface of the heading machine walking part 1, the bottom of the limiting oil cylinder 2 is provided with a 90-degree turning baffle 12 which is processed by a steel plate 11, in order to ensure that the maximum moving space of the limiting oil cylinder 2 forms a 90-degree included angle with the walking part 1 of the heading machine and enhance the stability of the limiting oil cylinder, the side surface of a limiting oil cylinder base 3 is welded on the turning baffle 12 by the symmetrically arranged steel plate 11, the corresponding position on the steel plate 11 on the side surface is provided with an oil cylinder body lug bolt hole 5, a limiting oil cylinder locking device 4 is manufactured by the steel plate 11, the limiting oil cylinder locking device 4 is welded on the side surface of the walking part 1 of the heading machine, the distance between the limiting oil cylinder locking device 4 and the limiting oil cylinder base 3 is consistent with the length of the heading machine when the limiting oil cylinder 2 is not unfolded, the corresponding positions of the upper end and the lower end of the steel plate 11 are provided with an oil cylinder piston lug hole 7, the bottom of the heading machine limiting oil cylinder 2 is arranged on the limiting oil cylinder base 3 through an oil cylinder bottom bolt 6 and the oil cylinder body lug hole 5, the top of a position-limiting oil cylinder 2 of the development machine is fixedly connected with a position-limiting oil cylinder locking device 4 through an oil cylinder head bolt 8 and a cylinder piston lug bolt hole 7, a liquid inlet pipe and a liquid return pipeline of the position-limiting oil cylinder 2 of the development machine form a liquid supply system with a standby valve group of the development machine respectively, furthermore, the position-limiting oil cylinder 2 and a position-limiting oil cylinder base 3 of the development machine are respectively sleeved on the left and the right sides, the position-limiting oil cylinder 2 and the position-limiting oil cylinder base 3 of the development machine are respectively positioned on the left and the right sides of a walking part 1 of the development machine, further, a steel plate 11 is a t20mm steel plate with a rectangular structure, further, the position-limiting oil cylinder locking device 4 is arranged in the middle part (left and right and up and down) of the walking part 1 of the development machine, a support plate locking groove 9 is arranged at the corresponding position on the two sides of the central line of the position-limiting oil cylinder locking device 4, the oil cylinder piston lug bolt hole 7 is arranged on the two sides of the support plate locking groove 9, the distance from the central line of the locking groove is equal to the distance from the uppermost position of the oil cylinder piston lug bolt hole, the distance from the cylinder body lug bolt hole 5 to the cylinder piston lug bolt hole 7 is equal to the distance from the center of the cylinder body lug hole to the center of the piston lug hole when the heading machine limiting cylinder 2 is in a fully contracted state, and the distance from the baffle plate 12 to the cylinder body lug bolt hole 5 is equal to the distance from the bottom of the heading machine limiting cylinder 2 to the center of the cylinder body lug hole.
The working principle is as follows: firstly, welding a position-limiting oil cylinder base 3 and a position-limiting oil cylinder locking device 4 of the development machine on the side surface of a walking part of the development machine, connecting cylinder body lugs of a position-limiting oil cylinder 2 of the development machine on the position-limiting oil cylinder base 3 by using bolts, and then connecting liquid inlet and return pipelines to a standby valve group of the development machine, so that the development machine can be used; before the heading machine cuts coal, operating the valve group, retracting the piston of the heading machine limiting oil cylinder 2 to a fully contracted state, manually dragging an oil cylinder piston lug to the position of a limiting oil cylinder locking device 4, clamping a supporting plate 10 into a supporting plate locking groove 9, aligning an oil cylinder piston lug hole with an oil cylinder piston lug bolt hole 7, and locking the heading machine limiting oil cylinder 2 by adopting an oil cylinder head bolt 8 to cut the coal; after the heading machine finishes coal cutting, stopping the heading machine to a proper position, then pulling out the cylinder head bolt 8, manually rotating the heading machine limiting cylinder 2 to the vertical roadway side coal wall 13, unfolding the piston of the heading machine limiting cylinder 2 by the operation valve group until the piston is tightly attached to the coal wall 13, and operating the other limiting device to realize one-side limiting of the heading machine; and then, after the heading machine is conveyed to a working face to be installed, a 14-phi 10mm high-pressure rubber pipe and 6 tee pipe fittings are communicated with a standby valve group of the heading machine to form a hydraulic limiting device liquid supply system, when the heading machine stops to limit, a limiting oil cylinder locking device 4 is removed, the angle of a limiting oil cylinder 2 of the heading machine is manually adjusted to enable the limiting oil cylinder to be perpendicular to a walking part and a machine body, the standby valve group is operated to supply oil to the limiting oil cylinder 2 of the heading machine, and the limiting oil cylinder 2 of the heading machine is in extension contact with a roadway wall to form acting force and reacting force to meet the limiting requirement of the heading machine. When the heading machine operates, the operation valve group returns oil through the oil return pipeline, the heading machine limiting oil cylinder 2 contracts, and the heading machine limiting oil cylinder is manually locked.
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 (5)
1. The utility model provides a random stop device of entry driving machine, includes entry driving machine walking portion (1), the spacing hydro-cylinder (2) of entry driving machine, spacing hydro-cylinder base (3) and spacing hydro-cylinder blocking device (4), its characterized in that, spacing hydro-cylinder base (3) are including hydro-cylinder body lug bolt hole (5), hydro-cylinder end bolt (6), steel sheet (11) and baffle (12), spacing hydro-cylinder blocking device (4) are including hydro-cylinder piston lug bolt hole (7), hydro-cylinder head bolt (8) and backup pad locking groove (9), the spacing hydro-cylinder (2) of entry driving machine includes cylinder body, piston, cylinder body lug, piston lug and backup pad (10).
2. The random limiting device of the heading machine according to claim 1, wherein the limiting cylinder base (3) is welded on the side surface of the walking part (1) of the heading machine, the bottom of the limiting cylinder base is a 90-degree turning baffle (12) formed by machining a steel plate (11), the side surface of the limiting cylinder base (3) is welded on the turning baffle (12) by adopting the symmetrically arranged steel plates (11), and the corresponding position on the steel plate (11) on the side surface is provided with a cylinder body lug bolt hole (5).
3. The random limiting device of the heading machine according to claim 2, wherein the limiting cylinder locking device (4) is made of a steel plate (11), the limiting cylinder locking device (4) is welded on the side face of the heading machine walking part (1), the distance between the limiting cylinder locking device (4) and the limiting cylinder base (3) is consistent with the length of the heading machine limiting cylinder (2) when the limiting cylinder is not unfolded, and cylinder piston lug bolt holes (7) are formed in corresponding positions of the upper end and the lower end of the steel plate (11).
4. The random limiting device of the heading machine according to claim 3, wherein the bottom of the heading machine limiting oil cylinder (2) is mounted on the limiting oil cylinder base (3) through an oil cylinder bottom plug pin (6) and an oil cylinder body lug plug hole (5), and the top of the heading machine limiting oil cylinder (2) is fixedly connected with the limiting oil cylinder locking device (4) through an oil cylinder head plug pin (8) and an oil cylinder piston lug plug hole (7).
5. The random limiting device of the heading machine according to claim 4, wherein a liquid inlet pipe and a liquid return pipe of the heading machine limiting cylinder (2) form a liquid supply system with a backup valve group of the heading machine respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121321677.7U CN214787396U (en) | 2021-06-15 | 2021-06-15 | Random limiting device of development machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121321677.7U CN214787396U (en) | 2021-06-15 | 2021-06-15 | Random limiting device of development machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214787396U true CN214787396U (en) | 2021-11-19 |
Family
ID=78712489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121321677.7U Withdrawn - After Issue CN214787396U (en) | 2021-06-15 | 2021-06-15 | Random limiting device of development machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214787396U (en) |
-
2021
- 2021-06-15 CN CN202121321677.7U patent/CN214787396U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20211119 Effective date of abandoning: 20231214 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20211119 Effective date of abandoning: 20231214 |