CN212867607U - Top breaking device based on coal mine hydraulic support - Google Patents
Top breaking device based on coal mine hydraulic support Download PDFInfo
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- CN212867607U CN212867607U CN202021915935.XU CN202021915935U CN212867607U CN 212867607 U CN212867607 U CN 212867607U CN 202021915935 U CN202021915935 U CN 202021915935U CN 212867607 U CN212867607 U CN 212867607U
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- 239000003245 coal Substances 0.000 title claims abstract description 32
- 206010024796 Logorrhoea Diseases 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 239000002699 waste material Substances 0.000 claims description 19
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 16
- 238000000034 method Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000006978 adaptation Effects 0.000 abstract 1
- 238000005422 blasting Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000036346 tooth eruption Effects 0.000 description 1
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Abstract
The utility model discloses a broken top device based on colliery hydraulic support, including hydraulic support, garrulous top mechanism and broken net mechanism, two support front uprights are installed side by side to hydraulic support's front side, two support rear uprights are installed side by side to hydraulic support's rear side, garrulous top mechanism all is equipped with two, two with broken net mechanism garrulous top mechanism installs respectively directly over two support front uprights, two broken net mechanism installs respectively directly over two support rear uprights. The utility model discloses alleviateed the corner roof greatly and subsided management pressure, saved the cost of labor, reduced operation process and time, after hydraulic support shifts the rear corner top coal body alright fall by oneself, the effect is better, the security is higher, the accessible is adjusted and is broken net device and broken different tunnel heights of top device base high adaptation, application scope is wider, the column cap, the pick be convenient for change when damaging, increased device life.
Description
Technical Field
The utility model relates to a colliery technical field especially relates to a broken top device based on colliery hydraulic support.
Background
The management of the corners of the working face in a coal mine is an important part of safety management, and when the corners are difficult to collapse, the methods adopted in the prior art have different defects. The advanced loosening blasting can be only carried out in the front crossheading of the working face, and the early loosening blasting can reduce the supporting strength of the front roadway and weaken the pressure-bearing capacity; hydraulic fracturing needs to be carried out at corners, construction is difficult when the space is narrow, and when water injection fracturing is carried out, if coal seam fractures develop, a large amount of water enters a working face and is difficult to discharge; the shearing net and the drilling hole damage support only have good effect under the conditions of large sinking amount of the roadway top and serious roof damage, have high requirements and have limited effect under the condition of drift drilling.
In summary, there is a need to develop a roof breaking device based on a coal mine hydraulic support, which can eliminate potential safety hazards while solving the problem of corner collapse difficulty, significantly reduce labor intensity of workers and reduce operation time.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a top breaking device based on a coal mine hydraulic support.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a broken top device based on colliery hydraulic support, includes hydraulic support, broken top mechanism and broken net mechanism, the support front column is installed to hydraulic support's front side, the support front column is equipped with two and sets up side by side, the support back column is installed to hydraulic support's rear side, the support back column is equipped with two and sets up side by side, broken top mechanism and broken net mechanism all are equipped with two, two the broken top mechanism is installed respectively directly over two support front columns, two broken net mechanism is installed respectively directly over two support back columns.
Preferably, the top crushing mechanism comprises a column cap base and a waste upright column cap, the column cap base is welded into a square shape by adopting a steel plate, a waste upright column cylinder body is installed in the middle of the column cap base, and the waste upright column cap is installed at the top of the waste upright column cylinder body.
Preferably, column cap base reinforcing steel plates are welded in the middle of two opposite sides of one column cap base, column cap base reinforcing steel plates are welded at two ends of the other two opposite sides of the column cap base, and the cross section of each column cap base reinforcing steel plate is a right-angled triangle.
Preferably, bolt holes are formed in the column head base and the middle of the waste column cylinder body, and bolts are inserted in the bolt holes.
Preferably, the net breaking mechanism comprises a cutting tooth and two cutting tooth bases, the two cutting tooth bases are inclined and form a 60-degree included angle with the hydraulic support, the two cutting tooth bases are welded to the top of the two cutting tooth bases, the cutting tooth is vertically installed on the tops of the two cutting tooth bases, and the cutting tooth is provided with a plurality of cutting tooth bases and is uniformly distributed on the tops of the two cutting tooth bases.
Preferably, two the side bottom of pick base all welds the pick base fixed steel sheet, two the screw has all been seted up on pick base fixed steel sheet surface, every the screw on pick base fixed steel sheet surface is equipped with six.
Preferably, two pick base reinforcing steel plates are welded in the middle of the side face of each pick base, two pick base reinforcing steel plates are arranged on the side face of each pick base, and the cross section of each pick base reinforcing steel plate is a right trapezoid.
The utility model has the advantages that:
1. the hydraulic supports are installed on the basis of a coal mine coal mining working face and are respectively installed on two pairs of supports at two corners of the working face during use, and the support of the corner top plate can be damaged in the process of supporting and pulling and moving the hydraulic supports, so that the sinking management pressure of the corner top plate is greatly reduced, the labor cost is saved, and the operation procedures and time are reduced.
2. The top crushing mechanism and the net breaking mechanism are respectively processed right above the front upright post and the rear upright post of the bracket, so that the force acting on the top crushing mechanism and the net breaking mechanism is maximum, and the top beam is not easy to damage; the coal body above is repeatedly loaded and unloaded through the top crushing mechanism, the W steel belt is broken, the metal net is cut through the rear net breaking mechanism after the coal is crushed, the coal body at the top of the corner can automatically fall off after the hydraulic support is pushed, and the effect is better and the safety is higher.
3. In the design of the mesh breaking mechanism, in order to enhance the stability of the mesh breaking mechanism, the cutting tooth bases are arranged in an equilateral triangle manner on the left side and the right side of the hydraulic support, and in order to ensure the depth of cut-in of the coal body, the cutting tooth base reinforcing steel plate is in a trapezoidal design right in front of and behind the hydraulic support, so that the firmness and the applicability of the mesh breaking mechanism are ensured, the depth of cut-in of the coal body is from shallow to deep, and the stress uniformity of the mesh breaking mechanism is ensured.
4. The top crushing mechanism and the net breaking mechanism are both detachably designed, so that the top crushing mechanism and the net breaking mechanism can be detached when the corner top coal is crushed and the roadway is low in height, the pushing of a hydraulic support is not influenced, and when the roadway is high in height, the top crushing can be realized by increasing the heights of the top crushing mechanism and the net breaking mechanism base; and secondly, the head and the cutting pick are convenient to replace when damaged, and the service life of the device is prolonged.
Drawings
Fig. 1 is a schematic side view of a roof breaking device based on a coal mine hydraulic support provided by the utility model;
fig. 2 is a schematic top view of a roof breaking device based on a coal mine hydraulic support provided by the present invention;
fig. 3 is a schematic structural view of a crushing mechanism of a roof breaking device based on a coal mine hydraulic support according to the present invention;
fig. 4 is a schematic top view of the roof breaking mechanism of the roof breaking device based on the coal mine hydraulic support of the present invention;
fig. 5 is a schematic structural view of a broken net mechanism of a roof breaking device based on a coal mine hydraulic support according to the present invention;
fig. 6 is a schematic side view of a net breaking mechanism of a roof breaking device based on a coal mine hydraulic support provided by the utility model;
fig. 7 is the utility model provides a broken net mechanism's overlook schematic structure diagram based on broken device of colliery hydraulic support's broken top.
In the figure: 1. a hydraulic support; 2. a top crushing mechanism; 3. a screen breaking mechanism; 4. a bracket front upright post; 5. a bracket rear upright post; 6. waste upright column cap; 7. waste upright post cylinder bodies; 8. a column head base; 9. reinforcing a steel plate on the column cap base; 10. a bolt; 11. a cutting pick; 12. a pick base; 13. reinforcing a steel plate by using a cutting pick base; 14. the cutting pick base fixes a steel plate; 15. and a screw hole.
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. 1-7, a broken top device based on colliery hydraulic support, including hydraulic support 1, garrulous top mechanism 2 and broken net mechanism 3, support front column 4 is installed to hydraulic support 1's front side, support front column 4 is equipped with two and sets up side by side, support rear column 5 is installed to hydraulic support 1's rear side, support rear column 5 is equipped with two and sets up side by side, garrulous top mechanism 2 and broken net mechanism 3 all are equipped with two, two garrulous top mechanism 2 install respectively directly over two support front column 4, two broken net mechanism 3 install respectively directly over two support rear column 5, garrulous top mechanism 2 and broken net mechanism 3 are detachable construction, if the whole pressure in tunnel is little, when the deflection is not big, garrulous top mechanism 2 and broken net mechanism 3 can adopt the welded mode to carry out the full device to fix, strengthen its fastness.
In the utility model, the broken top mechanism 2 comprises a column head base 8 and a waste column head 6, the column head base 8 is welded into a square shape by adopting steel plates, a waste column cylinder body 7 is arranged in the middle of the column head base 8, the waste column head 6 is arranged on the top of the waste column cylinder body 7, column head base reinforcing steel plates 9 are welded in the middle of one opposite two sides of the column head base 8, column head base reinforcing steel plates 9 are welded at two ends of the other opposite two sides of the column head base 8, the cross section of the column head base reinforcing steel plates 9 is a right triangle, bolt holes are arranged in the middle of the column head base 8 and the waste column cylinder body 7, bolts 10 are inserted in the bolt holes, the net breaking mechanism 3 comprises two cutting teeth 11 and cutting tooth bases 12, the cutting tooth bases 12 are provided with two, the two cutting tooth bases 12 are inclined and form an included angle of 60 degrees, pick base 12 adopts the old and useless tail-boom picture peg of support to process, 11 vertical installations in the top of two pick bases 12 of pick, 11 are equipped with a plurality ofly and at 12 top evenly distributed of two pick bases, the side bottom of two pick bases 12 has all welded pick base steel sheet 14, screw 15 has all been seted up on two pick base steel sheet 14 surfaces, the screw 15 on every pick base steel sheet 14 surfaces is equipped with six, the side middle part of two pick bases 12 has all welded pick base steel sheet 13, the pick base steel sheet 13 of consolidating of every pick base 12 side is equipped with two, the cross-section that the pick base steel sheet 13 was consolidated is right trapezoid.
The utility model discloses a theory of operation: before use, the waste upright post cylinder body 7 and the waste upright post head 6 in the top crushing mechanism 2 are firstly arranged in the post head base 8, the positions of the bolt holes are aligned, and the bolt 10 is used for fixing and locking; then correspondingly arranging a screw hole 15 on a cutting tooth base fixing steel plate 14 on the side face of a cutting tooth base 12 of the mesh breaking mechanism 3 into a screw rod welded on a top beam of the hydraulic support 1, and screwing a screw cap to start using; when the hydraulic support is used, the front support column 4 is supported according to the requirement of support initial supporting force, the top crushing mechanism 2 arranged above the front support column 4 vertically jacks the coal body above, then the hydraulic support 1 is pulled and moved, the top crushing mechanism 2 can crush the coal body at the front end of the hydraulic support 1 and break the W steel belt of the support body in the pulling and moving process, when the hydraulic support 1 is pulled and moved to the position of the crushed coal body, the rear support column 5 is driven to jack the net breaking mechanism 3 arranged above the rear support column 5 to jack the coal body and continue the hydraulic support 1 to cut the metal net, and after the hydraulic support 1 is pulled and moved integrally, the coal body above the hydraulic support 1 can automatically leak and collapse, so that the effect of working face corner treatment is achieved.
Having shown and described the basic principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof, and it is therefore intended that the embodiments be considered as exemplary and not limiting in any way, since the scope of the invention is defined by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein and are therefore not to be embraced therein by any reference numerals in the claims.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. The utility model provides a broken top device based on colliery hydraulic support, includes hydraulic support (1), garrulous top mechanism (2) and broken net mechanism (3), its characterized in that, support front column (4) are installed to the front side of hydraulic support (1), support front column (4) are equipped with two and set up side by side, support rear column (5) are installed to the rear side of hydraulic support (1), support rear column (5) are equipped with two and set up side by side, garrulous top mechanism (2) and broken net mechanism (3) all are equipped with two, two garrulous top mechanism (2) are installed respectively directly over two support front column (4), two broken net mechanism (3) are installed respectively directly over two support rear column (5).
2. The breaking device based on the coal mine hydraulic support is characterized in that the breaking mechanism (2) comprises a column head base (8) and a waste upright column head (6), the column head base (8) is welded into a square shape by adopting a steel plate, a waste upright column cylinder body (7) is installed in the middle of the column head base (8), and the waste upright column head (6) is installed at the top of the waste upright column cylinder body (7).
3. The breaking device based on the coal mine hydraulic support is characterized in that column head base reinforcing steel plates (9) are welded to the middle portions of two opposite sides of the column head base (8), column head base reinforcing steel plates (9) are welded to two ends of the other two opposite sides of the column head base (8), and the section of each column head base reinforcing steel plate (9) is a right-angled triangle.
4. The coal mine hydraulic support-based roof breaking device as claimed in claim 3, wherein bolt holes are formed in the middle of the column head base (8) and the waste upright column cylinder body (7), and bolts (10) are inserted in the bolt holes.
5. The breaking device based on the coal mine hydraulic support is characterized in that the breaking mechanism (3) comprises two cutting picks (11) and two cutting pick bases (12), the two cutting pick bases (12) are inclined and arranged at an included angle of 60 degrees with the hydraulic support (1), the tops of the two cutting pick bases (12) are welded, the cutting picks (11) are vertically installed at the tops of the two cutting pick bases (12), and the cutting picks (11) are arranged in a plurality and are uniformly distributed at the tops of the two cutting pick bases (12).
6. The coal mine hydraulic support-based roof breaking device according to claim 5, characterized in that a cutting pick base fixing steel plate (14) is welded to the bottom of each of the side faces of the two cutting pick bases (12), screw holes (15) are formed in the surface of each of the two cutting pick base fixing steel plates (14), and six screw holes (15) are formed in the surface of each of the cutting pick base fixing steel plates (14).
7. The coal mine hydraulic support-based roof breaking device according to claim 6, wherein two cutting pick base reinforcing steel plates (13) are welded to the middle portions of the side faces of the two cutting pick bases (12), two cutting pick base reinforcing steel plates (13) are arranged on the side face of each cutting pick base (12), and the cross section of each cutting pick base reinforcing steel plate (13) is a right trapezoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021915935.XU CN212867607U (en) | 2020-09-04 | 2020-09-04 | Top breaking device based on coal mine hydraulic support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021915935.XU CN212867607U (en) | 2020-09-04 | 2020-09-04 | Top breaking device based on coal mine hydraulic support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212867607U true CN212867607U (en) | 2021-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021915935.XU Active CN212867607U (en) | 2020-09-04 | 2020-09-04 | Top breaking device based on coal mine hydraulic support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212867607U (en) |
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2020
- 2020-09-04 CN CN202021915935.XU patent/CN212867607U/en active Active
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