CN220267736U - Temporary support hydraulic support for coal mining and tunneling working face - Google Patents
Temporary support hydraulic support for coal mining and tunneling working face Download PDFInfo
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- CN220267736U CN220267736U CN202322060678.6U CN202322060678U CN220267736U CN 220267736 U CN220267736 U CN 220267736U CN 202322060678 U CN202322060678 U CN 202322060678U CN 220267736 U CN220267736 U CN 220267736U
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- 239000003245 coal Substances 0.000 title claims abstract description 41
- 238000005065 mining Methods 0.000 title claims abstract description 25
- 230000005641 tunneling Effects 0.000 title claims abstract description 14
- 230000008093 supporting effect Effects 0.000 claims abstract description 28
- 210000001503 joint Anatomy 0.000 claims description 11
- 230000008602 contraction Effects 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of hydraulic supports, in particular to a temporary support hydraulic support for a coal mining and tunneling working face, which comprises two first hydraulic cylinders, wherein the bottoms of the first hydraulic cylinders are fixedly connected with a supporting plate, the outer sides of the bottoms of the first hydraulic cylinders are fixedly connected with first anchor rods, and the tops of the first hydraulic cylinders are fixedly connected with a connecting plate. The utility model has the advantages that: when the support is stored, the first hydraulic cylinder is in a contracted state, the second hydraulic cylinder is rotated to a horizontal state to avoid the contraction of the first hydraulic cylinder, and the second hydraulic cylinder ends in two horizontal states are relatively extended to push the first hydraulic cylinder to two sides when the support is mounted, so that the first anchor rod is pushed into the side wall of the coal well to complete preliminary fixation, and the second hydraulic cylinder is restored to a vertical state again after the first hydraulic cylinder is extended to play a role in supporting.
Description
Technical Field
The utility model relates to the technical field of hydraulic supports, in particular to a temporary support hydraulic support for a coal mining and tunneling working face.
Background
The coal mine is an area where people are mining coal resources in a mining area rich in coal, as the requirements of people on the coal mine are increasing, the coal mine mining requirements are increasing, the coal quantity supply is guaranteed to be large, the coal mining safety is guaranteed, temporary support hydraulic supports are often arranged on a tunneling working face, and the installation efficiency and the safety of the temporary support hydraulic supports are closely related to the coal mining efficiency and the safety.
The temporary support hydraulic support for the coal mining and tunneling working face disclosed in the Chinese patent CN202022879049.2 is simple in structure, convenient to operate, capable of adapting to the uneven environment of the top of a mine tunnel, convenient to transport, not easy to move and stable in work, but the whole size of the support of the temporary support hydraulic support for the coal mining and tunneling working face is large, the width of the support cannot be adjusted and reduced, disassembly and transportation cannot be carried out, and the support is inconvenient to pass in a narrow place in the mine tunnel, so that the applicability is affected.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, and provides a temporary support hydraulic support for a coal mining and tunneling working face, which effectively solves the defects of the prior art.
The aim of the utility model is achieved by the following technical scheme: the utility model provides a coal mining tunneling working face temporary support hydraulic support, includes two first pneumatic cylinders, the equal fixedly connected with backup pad in bottom of first pneumatic cylinder, the equal fixedly connected with first stock in the outside of first pneumatic cylinder bottom, the top fixedly connected with linking board of first pneumatic cylinder, the inboard of the main part of first pneumatic cylinder is all rotated and is connected with the pivot, one side of pivot is rotated and is connected with the second pneumatic cylinder.
Optionally, the height of the first hydraulic cylinder in the extending state is matched with the height of the coal mining tunneling working face, and the length of the second hydraulic cylinder in the extending state is matched with the length of the extending part of the first hydraulic cylinder.
The technical scheme is adopted: through setting up the second pneumatic cylinder in the inboard of first pneumatic cylinder, when first pneumatic cylinder supports the linking board at the entry face top, can further support the linking board through the second pneumatic cylinder, improve the compressive load of this protective bracket, and the second pneumatic cylinder also can play the supporting role when first pneumatic cylinder trouble shrink, avoids single pneumatic cylinder to become invalid and leads to the condition that support supporting structure releases and causes the incident.
Optionally, a torsion spring is sleeved at one end of the rotating shaft, and the torsion of the torsion spring enables the second hydraulic cylinder to be parallel to the first hydraulic cylinder.
The technical scheme is adopted: when the support is stored, the first hydraulic cylinder is in a contracted state, the second hydraulic cylinder is rotated to a horizontal state to avoid the contraction of the first hydraulic cylinder, and the second hydraulic cylinder ends in two horizontal states are relatively extended to push the first hydraulic cylinder to two sides when the support is mounted, so that the first anchor rod is pushed into the side wall of the coal well to complete preliminary fixation, and after the first hydraulic cylinder is extended, the second hydraulic cylinder is restored to a vertical state again to play a supporting role, so that the device can adjust the width as required, and the second hydraulic cylinder can be utilized to push the side wall of the coal well to improve the stability of the support.
Optionally, the middle part of linking board is the extending structure, a plurality of butt joint holes have been seted up to the flexible part of linking board, be provided with a plurality of second stock in the butt joint hole.
The technical scheme is adopted: through setting up the linking board into extending structure and making it can adjust the distance of two first pneumatic cylinders, make the mine of the different width of device adaptation, and after the second pneumatic cylinder is with first pneumatic cylinder jack-in mine inner wall, can make the butt joint hole come to fix linking board length to its jack-in second stock, make it form stable bearing structure.
Optionally, the round hole has been seted up to the inboard of backup pad, the nail has the third stock in the round hole, the vertical decurrent of third stock.
The technical scheme is adopted: through setting up the backup pad in the bottom of first pneumatic cylinder, improve the area of contact of first pneumatic cylinder with ground, improve its stability, and after propping up the distance of two first pneumatic cylinders, it is fixed with the bottom of first pneumatic cylinder to nail into ground with the third stock, initially accomplishes the fixed of support, conveniently rotates the second pneumatic cylinder, nail into operations such as second stock and consolidate this supporting structure.
The utility model has the following advantages:
1. this coal mining working face temporary support hydraulic support through set up the second pneumatic cylinder in the inboard of first pneumatic cylinder, when first pneumatic cylinder supports the linking board at the entry face top, can further support the linking board through the second pneumatic cylinder, improve this protective support's compressive load, and second pneumatic cylinder also can play the supporting role when first pneumatic cylinder trouble shrink, avoid single pneumatic cylinder inefficacy to lead to the condition that support supporting structure was relieved and is caused the incident, make the second pneumatic cylinder keep in vertical state and first pneumatic cylinder play supporting effect jointly under torsion spring effect during the support, when this support accomodates, first pneumatic cylinder is in the shrink state, then rotate the second pneumatic cylinder to the horizontal state and avoid its shrink that influences first pneumatic cylinder with the second pneumatic cylinder tip relative elongation of two horizontal states when carrying out the installation, make first stock jack-in coal well lateral wall accomplish preliminary fixed, the second pneumatic cylinder resumes the vertical state again and plays supporting role after first pneumatic cylinder is stretched, make the device can adjust width as required, and can make the tight coal lateral wall of first support of first pneumatic cylinder improve.
2. This coal mining tunnelling face temporary support hydraulic support makes its distance that can adjust two first pneumatic cylinders through setting up the linking board into extending structure, makes the mine of the different width of device adaptation, and after the second pneumatic cylinder is with first pneumatic cylinder jack-in mine inner wall, can make the butt joint hole come fixed linking board length to its jack-in second stock, makes it form stable bearing structure.
3. This coal mining tunnelling face temporary support hydraulic support through set up the backup pad in the bottom of first pneumatic cylinder, improves the area of contact of first pneumatic cylinder with ground, improves its stability, and after propping up the distance of two first pneumatic cylinders, can fix the bottom of first pneumatic cylinder with the third stock nail ground, initially accomplish the fixed of support, conveniently rotate the second pneumatic cylinder, nail operation such as second stock consolidates this supporting structure.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present utility model;
FIG. 3 is an enlarged schematic view of the structure of the present utility model at B in FIG. 1;
FIG. 4 is a schematic cross-sectional view of the present utility model;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4C according to the present utility model;
fig. 6 is an enlarged schematic view of the structure of fig. 4D according to the present utility model.
In the figure: the hydraulic device comprises a first hydraulic cylinder, a 2-supporting plate, a 3-first anchor rod, a 4-connecting plate, a 5-rotating shaft, a 6-second hydraulic cylinder, a 7-torsion spring, an 8-butt joint hole, a 9-second anchor rod, a 10-round hole and a 11-third anchor rod.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
As shown in fig. 1 to 6, a temporary support hydraulic support for a coal mining and tunneling working face comprises two first hydraulic cylinders 1, wherein the bottoms of the first hydraulic cylinders 1 are fixedly connected with a supporting plate 2, the outsides of the bottoms of the first hydraulic cylinders 1 are fixedly connected with first anchor rods 3, the tops of the first hydraulic cylinders 1 are fixedly connected with a connecting plate 4, the insides of main body parts of the first hydraulic cylinders 1 are rotatably connected with rotating shafts 5, and one sides of the rotating shafts 5 are rotatably connected with second hydraulic cylinders 6.
Example 1: the height of the first hydraulic cylinder 1 in the extension state is matched with the height of a coal mining tunneling working face, the length of the second hydraulic cylinder 6 in the extension state is matched with the length of the extension part of the first hydraulic cylinder 1, the second hydraulic cylinder 6 is arranged on the inner side of the first hydraulic cylinder 1, when the first hydraulic cylinder 1 supports the connecting plate 4 on the top of the tunneling face, the connecting plate 4 can be further supported through the second hydraulic cylinder 1, the compression load of the protective bracket is improved, the second hydraulic cylinder 6 can also play a supporting role when the first hydraulic cylinder 1 is in fault shrinkage, and the situation that a single hydraulic cylinder fails to cause the support supporting structure to release to cause a safety accident is avoided.
Example 2: the torsion spring 7 has been cup jointed to the one end of pivot 5, torsion spring 7's torsion makes second pneumatic cylinder 6 and first pneumatic cylinder 1 parallel, make second pneumatic cylinder 6 keep at vertical state and first hydraulic pressure just 1 play supporting role jointly under torsion spring 7 effect during the support, when this support is accomodate, first pneumatic cylinder 1 is in the shrink state, then rotate second pneumatic cylinder 6 to the horizontality and avoid its shrink that influences first pneumatic cylinder 1, and the relative extension of second pneumatic cylinder 6 tip of two horizontality when installing is with first pneumatic cylinder 1 to both sides top, make first stock 3 jack-in coal well lateral wall accomplish preliminary fixed, second pneumatic cylinder 6 resumes vertical state again and play supporting role after first pneumatic cylinder 1 extends, make the device can adjust the width as required, and can utilize second pneumatic cylinder 6 to make first pneumatic cylinder 1 jack-up coal well lateral wall improve support stability.
Example 3: the middle part of the connecting plate 4 is of a telescopic structure, a plurality of butt joint holes 8 are formed in the telescopic part of the connecting plate 4, a plurality of second anchor rods 9 are arranged in the butt joint holes 8, the connecting plate 4 is arranged to be of a telescopic structure, the distance between the two first hydraulic cylinders 1 can be adjusted, the device is adapted to mines with different widths, after the first hydraulic cylinders 1 are jacked into the inner wall of each mine by the second hydraulic cylinders 6, the length of the connecting plate 4 can be fixed by jacking the second anchor rods 9 through the butt joint holes 8, and a stable supporting structure is formed.
Example 4: the round hole 10 has been seted up to the inboard of backup pad 2, the nail has third stock 11 in the round hole 10, third stock 11 is vertical downwards, through set up backup pad 2 in the bottom of first pneumatic cylinder 1, improve the area of contact of first pneumatic cylinder 1 with ground, improve its stability, and after propping up the distance of two first pneumatic cylinders 1, it is fixed with the bottom of first pneumatic cylinder 1 to drive into ground with third stock 11, initially accomplish the fixed of support, the convenient operation such as second pneumatic cylinder 6 that rotates, drive into second stock 9 consolidates this supporting structure.
The working principle of the utility model is as follows:
s1, enabling the second hydraulic cylinder 6 to be kept in a vertical state under the action of the torsion spring 7 during supporting and play a supporting role together with the first hydraulic cylinder 1, and when the bracket is stored, the first hydraulic cylinder 1 is in a contracted state, and then the second hydraulic cylinder 6 is rotated to a horizontal state to avoid the influence of the second hydraulic cylinder 6 on the contraction of the first hydraulic cylinder 1;
s2, when the two horizontal second hydraulic cylinders 6 are installed, the ends of the two horizontal second hydraulic cylinders 6 extend relatively to push the first hydraulic cylinders 1 to the two sides, so that the first anchor rods 3 are pushed into the side walls of the coal well to complete preliminary fixing, the second hydraulic cylinders 6 recover to the vertical state again after the first hydraulic cylinders 1 extend to play a supporting role, the width of the device can be adjusted according to requirements, and the second hydraulic cylinders 6 can be utilized to enable the first hydraulic cylinders 1 to push the side walls of the coal well to improve the stability of the support.
Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:
1. this coal mining working face temporary support hydraulic support through set up second pneumatic cylinder 6 in the inboard of first pneumatic cylinder 1, when first pneumatic cylinder 1 supports adapter plate 4 at the entry face top, can further support adapter plate 4 through second pneumatic cylinder 1, the compressive load of this protective support is improved, and second pneumatic cylinder 6 also can play the supporting role when first pneumatic cylinder 1 trouble shrink, avoid single pneumatic cylinder inefficacy to lead to the condition that support supporting structure was released and is caused the incident, make second pneumatic cylinder 6 keep playing the supporting effect jointly with first pneumatic cylinder 1 under torsion spring 7 during the support, when this support accomodates, then rotate second pneumatic cylinder 6 to the horizontality and avoid its shrink that influences first pneumatic cylinder 1, and during installation, the relative extension of second pneumatic cylinder 6 tip of two horizontality is with first pneumatic cylinder 1 to both sides top, make first stock 3 jack-in coal well lateral wall accomplish preliminary fixation, second pneumatic cylinder 6 resumes the supporting role after first pneumatic cylinder 1 stretches and is played with first pneumatic cylinder 1 jointly, make second pneumatic cylinder 6 keep playing the supporting effect in vertical state, and can make the first pneumatic cylinder 1 can be adjusted according to the width of this device according to need to the tight side wall of first pneumatic cylinder 1, can improve the stability of the hydraulic support.
2. This coal mining tunnelling face temporary support hydraulic support makes its distance that can adjust two first pneumatic cylinders 1 through setting up adapter plate 4 to extending structure, makes the mine of the different width of device adaptation, and after second pneumatic cylinder 6 with first pneumatic cylinder 1 jack-in mine inner wall, can make butt joint hole 8 come fixed adapter plate 4 length to its jack-in second stock 9, makes it form stable bearing structure.
3. This coal mining tunnelling face temporary support hydraulic support through set up backup pad 2 in the bottom of first pneumatic cylinder 1, improves the area of contact of first pneumatic cylinder 1 with ground, improves its stability, and after propping up the distance of two first pneumatic cylinders 1, can fix the bottom of first pneumatic cylinder 1 with third stock 11 nail ground, initially accomplish the fixed of support, conveniently rotate second pneumatic cylinder 6, nail operation such as second stock 9 consolidate this supporting structure.
Claims (5)
1. The utility model provides a coal mining tunnelling face temporary support hydraulic support which characterized in that: including two first pneumatic cylinders (1), the equal fixedly connected with backup pad (2) in bottom of first pneumatic cylinder (1), the equal fixedly connected with first stock (3) in the outside of first pneumatic cylinder (1) bottom, the top fixedly connected with joint plate (4) of first pneumatic cylinder (1), the inboard of the main part of first pneumatic cylinder (1) is all rotated and is connected with pivot (5), one side rotation of pivot (5) is connected with second pneumatic cylinder (6).
2. A coal face temporary support hydraulic support according to claim 1, wherein: the height of the first hydraulic cylinder (1) in the extending state is matched with the height of the coal mining tunneling working face, and the length of the second hydraulic cylinder (6) in the extending state is matched with the length of the extending part of the first hydraulic cylinder (1).
3. A coal face temporary support hydraulic support according to claim 2, wherein: one end of the rotating shaft (5) is sleeved with a torsion spring (7), and the torsion of the torsion spring (7) enables the second hydraulic cylinder (6) to be parallel to the first hydraulic cylinder (1).
4. A coal face temporary support hydraulic support according to claim 3, wherein: the middle part of the connecting plate (4) is of a telescopic structure, a plurality of butt joint holes (8) are formed in the telescopic part of the connecting plate (4), and a plurality of second anchor rods (9) are arranged in the butt joint holes (8).
5. The temporary support hydraulic support for a coal mining and heading face as claimed in claim 4, wherein: the inner side of the supporting plate (2) is provided with a round hole (10), a third anchor rod (11) is nailed in the round hole (10), and the third anchor rod (11) is vertically downward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322060678.6U CN220267736U (en) | 2023-08-02 | 2023-08-02 | Temporary support hydraulic support for coal mining and tunneling working face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322060678.6U CN220267736U (en) | 2023-08-02 | 2023-08-02 | Temporary support hydraulic support for coal mining and tunneling working face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220267736U true CN220267736U (en) | 2023-12-29 |
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ID=89310494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322060678.6U Active CN220267736U (en) | 2023-08-02 | 2023-08-02 | Temporary support hydraulic support for coal mining and tunneling working face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220267736U (en) |
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2023
- 2023-08-02 CN CN202322060678.6U patent/CN220267736U/en active Active
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