CN220849735U - Gantry type self-moving advance support - Google Patents
Gantry type self-moving advance support Download PDFInfo
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- CN220849735U CN220849735U CN202322794476.4U CN202322794476U CN220849735U CN 220849735 U CN220849735 U CN 220849735U CN 202322794476 U CN202322794476 U CN 202322794476U CN 220849735 U CN220849735 U CN 220849735U
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- base
- upright post
- connecting rod
- support
- top beam
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- 239000003245 coal Substances 0.000 abstract description 10
- 238000005065 mining Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 description 5
- 230000008602 contraction Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Abstract
The utility model discloses a gantry type self-moving advanced support, which relates to the technical field of coal mining equipment and comprises a base, wherein a pushing jack is hinged to the front side of the base, bottom adjusting jacks are fixedly arranged at the upper parts of the front side and the rear side of the base, and bottom adjusting beams are fixedly arranged at the side surfaces of the movable ends of the bottom adjusting jacks extending out of the base; the upper surface of the base is rotatably connected with a front upright post on one side far away from the bottom adjusting beam, the upper surface of the base is rotatably connected with a rear upright post on one side far away from the front upright post, a top beam is arranged above the base, and the upper ends of the front upright post and the rear upright post are respectively rotatably connected with the left end and the right end of the top beam; the beneficial effects are that: the base is arranged in a door shape and is used by being spanned on the reversed loader, so that the occupied space is small, and the support is more stable; the four-bar support structure is formed by the front connecting bar, the rear connecting bar, the upper connecting bar and the base, the front side and the rear side of the top beam are supported to avoid rollover, the front upright post and the rear upright post respectively support the left side and the right side of the top beam to adjust the support height and the angle, four-point support of the top beam is realized, and the roadway roof adapting type range is wide.
Description
Technical Field
The utility model relates to the technical field of coal mining equipment, in particular to a gantry type self-moving advanced support.
Background
The mine adopting the underground mining is an important component part of the production system, and is responsible for a plurality of functions such as transportation, ventilation, pedestrians and the like, and the safety and the effectiveness of maintaining the mine are important works of each mine. Along with the improvement of the mine productivity, the exploitation intensity is increased, and the roadway support requirement is continuously improved.
In general, the roadway advance support is of a two-frame one-group structure, two or three groups of advance supports are needed to support the roadway according to safety regulations, and the front and rear groups of supports are connected together through pushing jacks between the bases. The two brackets are respectively arranged at two sides of the roadway transfer conveyor, the brackets are connected together through the top beam connecting jack, and the advanced bracket connection is pushed forward along with the fully mechanized mining face through the transfer conveyor pulling seat. Because the advance support is arranged at two sides of the reversed loader, the upper part of the reversed loader is supported by the side plates at the inner sides of the advance support, and the damage of falling objects of the tunnel top plate to the reversed loader is reduced. The lead bracket is generally heavy and difficult to transport and move. Moreover, the lead support is generally suitable for rectangular or arched roadways, and has poor adaptability to inclined roof roadways.
At present, the advance support related to the prior patent is generally of a two-frame one-group structure or an integral advance support with relatively large overall weight, is mainly suitable for normal rectangular roadways and is not suitable for inclined top roadways of large-inclination working faces.
Disclosure of utility model
The utility model aims to solve the problems and provide a gantry type self-moving advance support.
The utility model realizes the above purpose through the following technical scheme:
The stirring device in the fermentation tank comprises a base, wherein a pushing jack is hinged to the front side of the base, bottom adjusting jacks are fixedly arranged on the upper parts of the front side and the rear side of the base, and bottom adjusting beams are fixedly arranged on the side surfaces of the base, extending out of the movable ends of the bottom adjusting jacks; the base upper surface is kept away from the rotation of end beam one side is connected with the front column, the base upper surface is kept away from front column one side is rotated and is connected with the rear column, the base top is provided with the back timber, the front column with the rear column upper end respectively with both ends rotate about the back timber and be connected.
Preferably: the front connecting rod is rotatably connected to the base, a rear connecting rod is rotatably connected to the middle of the edges of the front side and the rear side of the base, an upper connecting rod is rotatably connected to the upper end of the rear connecting rod, the upper end of the front connecting rod is rotatably connected to the middle of the upper connecting rod, and one end of the upper connecting rod, far away from the rear connecting rod, is rotatably connected to the top beam.
Preferably: the shape of the base is door-shaped, and the base spans on the transfer conveyor.
Preferably: and a connecting buckle hinged with the front end of the pushing jack is fixedly arranged at the rear side of the base corresponding to the position right behind the pushing jack.
Preferably: the front upright post and the rear upright post are hydraulic cylinders.
Compared with the prior art, the utility model has the beneficial effects that:
1. The four-bar support structure is formed by arranging the front connecting bar, the rear connecting bar, the upper connecting bar and the base, the upper connecting bar supports the front side and the rear side of the top beam to avoid rollover, the front upright post and the rear upright post respectively support the left side and the right side of the top beam to adjust the support height and the angle, so that four-point support of the top beam is realized, the support is more stable, and the roadway roof adapting type range is wide;
2. through adopting planer-type advance support base directly to span the elevating conveyor section of falling to the ground, the support is horizontal in the top of elevating conveyor, and the support width reduces, and the appearance reduces, and weight reduction has realized the advance support and has moved the frame fast, improves working face production efficiency, reduces workman intensity of labour, through planer-type self-moving the jack that advance support two strokes are different, strengthens the adaptability to the roof roadway, has improved the security of tunnel roof management.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings that are necessary for the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a perspective view of a gantry type self-moving lead frame according to the present utility model.
Fig. 2 is a front view of a gantry type self-moving lead frame according to the present utility model.
Fig. 3 is a view showing a state of use of the gantry type self-moving lead frame according to the present utility model.
Fig. 4 is a schematic diagram of the operation of a gantry type self-moving lead frame according to the present utility model.
The reference numerals are explained as follows:
1. A base; 2. pushing jack; 3. a front upright; 4. a front link; 5. a rear connecting rod; 6. a rear pillar; 7. an upper connecting rod; 8. a top beam; 9. a bottom adjusting jack; 10. a bottom adjusting beam; 11. pulling and moving the seat; 12. a bracket body; 13. a reversed loader; 14. roadway side; 15. a coal wall.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "first", "second", etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance or implying a number of the indicated technical features, whereby the features defining "first", "second", etc. may explicitly or implicitly include one or more of such features.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or by communication between two elements, the specific meaning of the terms in the present disclosure will be understood by those skilled in the art in view of the specific circumstances.
The utility model is further described below with reference to the accompanying drawings:
As shown in fig. 1-2, a gantry type self-moving advanced support comprises a base 1, wherein a pushing jack 2 is hinged to the front side of the base 1, the pushing jack 2 is used for telescopically pushing a support body 12 to move automatically, bottom adjustment jacks 9 are fixedly arranged at the upper parts of the front side and the rear side of the base 1, the moving ends of the bottom adjustment jacks 9 extend out of the side surface of the base 1, which is close to a coal wall 15, and a bottom adjustment beam 10 is fixedly arranged on the side surface of the base 1, which is close to the coal wall 15, and the bottom adjustment beam 10 is pushed by the bottom adjustment jacks 9 to be pushed against the coal wall 15, so that the stability of the support is ensured, and the side, which is far away from the coal wall 15, of the support body 12 is a coal wall 14; the upper surface of the base 1 is far away from one side of the bottom adjusting beam 10 and is rotationally connected with a front upright post 3, one side of the upper surface of the base 1 far away from the front upright post 3 is rotationally connected with a rear upright post 6, a top beam 8 is arranged above the base 1, and the upper ends of the front upright post 3 and the rear upright post 6 are respectively rotationally connected with the left end and the right end of the top beam 8.
The front upright post 3 is provided with the front connecting rod 4 of rotating connection on the base 1 respectively from front to back, the base 1 rotates respectively in the middle of the both sides border around, the 5 upper ends of back connecting rod rotate and are connected with the upper connecting rod 7, the 4 upper ends of front connecting rod with the upper connecting rod 7 is middle to rotate and be connected, upper connecting rod 7 keep away from 5 one end of back connecting rod with roof beam 8 rotates to be connected, and four-bar linkage bearing structure is constituteed to front connecting rod 4, back connecting rod 5, upper connecting rod 7 and base 1, and the upper connecting rod 7 supports roof beam 8 front and back both sides and avoids turning on one's side, and front upright post 3, back upright post 6 support roof beam 8 left and right sides respectively and adjust supporting height and angle, realize the four-point support to roof beam 8, support more stable, and suitable lane top type scope is wide.
The shape of the base 1 is a door shape, the base 1 spans on the reversed loader 13, and the situation that the base 1 and the reversed loader 13 are arranged in a staggered manner to influence the use is avoided.
The rear side of the base 1 is fixedly provided with a connecting buckle hinged with the front end of the pushing jack 2 corresponding to the position right behind the pushing jack 2, so that the connection of the front bracket body 12 and the rear bracket body 12 is facilitated.
The front upright post 3 and the rear upright post 6 are hydraulic cylinders, so that the use requirement of telescopic support is met.
Working principle: when the automatic sliding device is used, as shown in fig. 3, a plurality of bracket bodies 12 are arranged, two adjacent bracket bodies 12 are arranged, the front ends of pushing jacks of the bracket bodies 12 at the rear side are rotationally connected with connecting buckles of the bracket bodies 12 at the front side, the front end of a transfer machine 13 is provided with a pulling and moving seat 11, the pulling and moving seat 11 is rotationally connected with the front end of a pushing jack 2 of the bracket body 12 at the forefront side, and the pushing jacks 2 are matched together to realize the self-moving of the bracket bodies 12; as shown in fig. 4, by controlling the expansion and contraction of the front upright post 3 and the rear upright post 6 inside the advanced support, the front connecting rod 4, the rear connecting rod 5, the upper connecting rod 7 and the base 1 form a four-connecting-rod supporting structure, the top beam 8 supports the roadway top plate together, and the bottom adjusting beam 10 connected with the bottom adjusting jack 9 is supported on the roadway coal wall 15 through the expansion and contraction of the bottom adjusting jack 9 of the base 1, so that the stability of the support is ensured.
The pushing jack 2, the front upright 3, the rear upright 6, the top beam 8, the bottom adjusting jack 9, the pulling seat 11, the transfer machine 13, the roadway side 14 and the coal wall 15 are all general standard components or components known to those skilled in the art, and the structure and principle of the pushing jack are all known by those skilled in the art through technical manuals or by conventional experimental methods, so that no excessive description is made here.
While there have been shown and described what are at present considered to be fundamental principles, main features and advantages of the present utility model, it will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate only the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (5)
1. The utility model provides a planer-type is from moving advance support, includes base (1), its characterized in that: a pushing jack (2) is hinged to the front side of the base (1), bottom adjusting jacks (9) are fixedly arranged at the upper parts of the front side and the rear side of the base (1), and a moving end of each bottom adjusting jack (9) extends out of the side face of the base (1) and is fixedly provided with a bottom adjusting beam (10); the novel adjustable roof beam structure is characterized in that a front upright (3) is rotationally connected to one side of the bottom adjusting beam (10) on the upper surface of the base (1), a rear upright (6) is rotationally connected to one side of the front upright (3) on the upper surface of the base (1), a top beam (8) is arranged above the base (1), and the front upright (3) and the upper end of the rear upright (6) are rotationally connected with the left end and the right end of the top beam (8) respectively.
2. The gantry self-moving lead frame as claimed in claim 1, wherein: the front upright post (3) is provided with a front connecting rod (4) which is rotationally connected to the base (1) respectively, a rear connecting rod (5) is rotationally connected to the middle of the edges of the front side and the rear side of the base (1) respectively, an upper connecting rod (7) is rotationally connected to the upper end of the rear connecting rod (5), the upper end of the front connecting rod (4) is rotationally connected with the middle of the upper connecting rod (7), and the upper connecting rod (7) is far away from one end of the rear connecting rod (5) and is rotationally connected with the top beam (8).
3. The gantry self-moving lead frame as claimed in claim 1, wherein: the base (1) is shaped like a door, and the base (1) spans the reversed loader (13).
4. The gantry self-moving lead frame as claimed in claim 1, wherein: the rear side of the base (1) is fixedly provided with a connecting buckle hinged with the front end of the pushing jack (2) corresponding to the position right behind the pushing jack (2).
5. The gantry self-moving lead frame as claimed in claim 1, wherein: the front upright post (3) and the rear upright post (6) are hydraulic cylinders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322794476.4U CN220849735U (en) | 2023-10-18 | 2023-10-18 | Gantry type self-moving advance support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322794476.4U CN220849735U (en) | 2023-10-18 | 2023-10-18 | Gantry type self-moving advance support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220849735U true CN220849735U (en) | 2024-04-26 |
Family
ID=90786826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322794476.4U Active CN220849735U (en) | 2023-10-18 | 2023-10-18 | Gantry type self-moving advance support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220849735U (en) |
-
2023
- 2023-10-18 CN CN202322794476.4U patent/CN220849735U/en active Active
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