CN210509232U - Single-upright-column anti-impact roadway advanced support hydraulic support - Google Patents
Single-upright-column anti-impact roadway advanced support hydraulic support Download PDFInfo
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- CN210509232U CN210509232U CN201920608749.2U CN201920608749U CN210509232U CN 210509232 U CN210509232 U CN 210509232U CN 201920608749 U CN201920608749 U CN 201920608749U CN 210509232 U CN210509232 U CN 210509232U
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Abstract
The utility model discloses a single-column scour protection tunnel advance support hydraulic support, including base, stabilizing sleeve, hydraulic column and top cap, on stabilizing sleeve's lower extreme vertical fixation was in the base, hydraulic column's lower part set up in stabilizing sleeve's inside, and its upper portion stretches out stabilizing sleeve's upper end, and the top cap sets up in hydraulic column's upper end, and hydraulic column is used for driving the top cap and reciprocates. The utility model discloses a hydraulic column drive top cap that sets up on stabilizing sleeve realizes reciprocating, because stabilizing sleeve vertical fixation is on the base, the lower part of hydraulic column sets up in stabilizing sleeve's inside, it is connected with the top cap after upper portion stretches out stabilizing sleeve upper end, stabilizing sleeve here plays a lot of guide effects to hydraulic column's flexible, play the auxiliary stay effect simultaneously, combine the steadiness ability of base, for stope face both ends tunnel advance support provides effective guarantee, this support also uses as the permanent support in tunnel of rock burst mine simultaneously.
Description
Technical Field
The utility model relates to a hydraulic support technical field for the colliery, concretely relates to single-upright-column unit scour protection tunnel advance support hydraulic support is applied to two roadways advance support of stope and permanent support in tunnel.
Background
The mine which adopts the underground mining, the tunnel is an important component of the production system and is responsible for a plurality of functions of transportation, ventilation, pedestrians and the like, and the important work of each mine is to maintain the safety and the effectiveness of the tunnel. For mine roadway support, the commonly adopted modes in the industry at present comprise anchor rod and anchor cable support, single-column and pi-beam support and roadway advance support. However, the existing forepoling mainly aims at roof support, the support of a bottom plate and a side wall is not emphasized sufficiently, and phenomena of bottom bulging, side wall protrusion and the like often occur, which greatly affects normal mine production and safety. Particularly for a mine with rock burst, because the bottom support is relatively small, the support is easy to be unstable and fail under the action of dynamic load, normal production is affected, and even great economic loss is caused. In addition, the roadway advance support is usually used as a second-level or third-level support of the roadway, the integrity of the previous-level support should be ensured as much as possible theoretically, particularly the effectiveness of protecting the anchor rod and the anchor cable, when the support is overlapped with the anchor rod or the anchor cable support, the existing support does not consider the problem of avoiding the anchor rod and the anchor cable, the anchor rod and the anchor cable are easily damaged during support, the support is invalid, and the support performance of the roadway is greatly reduced.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems existing when the existing support is applied to a mine with rock burst, the single-upright-column-unit anti-impact roadway advance support hydraulic support is provided, effective guarantee is provided for advance support of roadways at two ends of a stope face, and meanwhile, the support is also used as a permanent support of the roadway of the rock burst mine.
The adopted technical scheme is as follows:
the utility model provides a single-column scour protection tunnel advance support hydraulic support, includes base, stabilizing sleeve, hydraulic column and top cap, stabilizing sleeve's lower extreme vertical fixation in on the base, the lower part of hydraulic column set up in stabilizing sleeve's inside, its upper portion stretches out stabilizing sleeve's upper end, the top cap set up in hydraulic column's upper end, hydraulic column is used for the drive the top cap reciprocates.
Furthermore, the base is provided with at least one overturn-preventing base hinged with the base.
Preferably, the overturn preventing base is further provided with an overturn jack, two ends of the overturn jack are respectively hinged with the stabilizing sleeve and the overturn preventing base, and the overturn jack drives the overturn preventing base to overturn relative to the base through stretching.
Preferably, each overturn-preventing base is further hinged with a first connecting rod, the outer side surface of the stabilizing sleeve is further hinged with a second connecting rod, the first connecting rod and the second connecting rod are hinged through a connecting shaft, one end of the overturning jack is hinged to the stabilizing sleeve, and the other end of the overturning jack is rotatably hinged to the connecting shaft.
Furthermore, at least one side of the stabilizing sleeve is provided with a side guard plate, the lower end of the side guard plate is hinged with the base, and the upper part of the side guard plate is connected with the stabilizing sleeve.
Or furthermore, the stabilizing sleeve is of a square stabilizing sleeve structure, a side protection plate is arranged on one side of the stabilizing sleeve, the lower end of the side protection plate is hinged with the base, the upper part of the side protection plate is hinged with the outer side surface of the stabilizing sleeve, and the base corresponding to the other three side surfaces of the stabilizing sleeve is respectively hinged with an anti-overturning base.
Preferably, the upper part of the side guard plate is connected with the stabilizing sleeve through a side guard jack.
More preferably, an anti-impact device is further arranged between the side guard plate and the stabilizing sleeve, and the side guard jack is arranged below the anti-impact device.
The lower end of the hydraulic upright post is provided with an energy-absorbing impact protector, and the supporting force of the energy-absorbing impact protector is greater than the rated working resistance of the hydraulic upright post 3.
A plurality of strip-shaped avoiding through holes are formed in the top cover at intervals.
The utility model discloses technical scheme has following advantage:
A. the utility model discloses a hydraulic column drive top cap that sets up in stabilizing sleeve realizes reciprocating, because stabilizing sleeve vertical fixation is on the base, the lower part of hydraulic column sets up in stabilizing sleeve's inside, and its upper portion stretches out stabilizing sleeve and is connected with the top cap after the upper end, and stabilizing sleeve here plays stabilizing effect to hydraulic column, combines the steadiness ability of base, for mine tunnel supports provides effective guarantee, and this support also can regard as the permanent support use in tunnel of rock burst mine simultaneously.
B. The utility model discloses set up the base of preventing toppling that can overturn around the base. When the support supports, the anti-overturning base is turned over and contacts the bottom plate, so that the whole supporting area of the support on the bottom plate is increased, the stability of the support is greatly improved, and the whole protective support can be effectively prevented from being toppled.
C. The utility model discloses can also connect the side guard plate that anti side group strikeed on the base, when the side direction was strikeed in the tunnel appearance, the side guard plate can protect the tunnel inboard, staff and equipment safety in the protection tunnel.
D. The utility model discloses to prevent toppling the base and make the structure that can overturn, can fold the base of preventing toppling through drive upset jack when the transport, make it have a smaller transportation space, convenient transportation when putting it on the working face, prevent the base of toppling and expand through upset jack drive, prevent that the base of toppling from having increased the sole area of protection, control end drum warp and reinforcing support stability, prevent whole toppling.
E. The utility model discloses be equipped with one or more scour protection ware between side guard plate and the telescopic lateral surface of stability, the energy of release when energy-absorbing scour protection components such as scour protection ware can effectively absorb rock burst take place, because the energy is huge, produced impact force in side can be cushioned to the scour protection ware, effectively reduces damage and personnel's injury to tunnel and equipment. Meanwhile, the top cover is provided with a plurality of strip holes, and the top cover is rotated to avoid obstacles such as exposed end parts of anchor rods and anchor cables on the original supporting guard plate, so that the damage to the original support is reduced, and the balance of the support supporting state is ensured.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a front view of the roadway advanced hydraulic support of the utility model;
FIG. 2 is a left side view of the structure shown in FIG. 1;
fig. 3 is a schematic view of a three-dimensional structure provided by the present invention.
Description of reference numerals:
1-a base; 2-stabilizing sleeve
3-hydraulic upright column
31-hydraulic cylinder, 32-piston rod, 33-universal joint
4-coping
41-avoiding through hole
5-side guard board; 6-anti-overturning base; 7-scour prevention; 8-turning over the jack;
9-a first link; 10-a second link; 20-a connecting shaft; 30-side protection jack.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, fig. 2 and fig. 3, the utility model provides a single-column scour protection tunnel advance support hydraulic support, on stabilizing sleeve 2's lower extreme vertical fixation base 1, hydraulic column 3's lower part set up in stabilizing sleeve 2's inside, and stabilizing sleeve 2's upper end is stretched out to its upper portion, and top cap 4 sets up in hydraulic column 3's upper end, and hydraulic column 3 is used for driving top cap 4 and reciprocates.
The utility model discloses a 3 drive top caps 4 of hydraulic column of setting on stabilizing sleeve 2 realize reciprocating, because stabilizing sleeve 2 vertical fixation is on base 1, the lower part of hydraulic column 3 sets up in stabilizing sleeve 2's inside, it is connected with top cap 4 after 2 upper ends of stabilizing sleeve are stretched out to its upper portion, stabilizing sleeve 2 here plays the guide effect to hydraulic column 3's flexible, play firm effect simultaneously, combine base 1's steadiness can, for stope working face both ends tunnel advance support provide effective guarantee, this support also is used as the permanent support in tunnel of rock burst mine simultaneously.
In order to improve hydraulic support's steadiness ability, the utility model discloses be equipped with at least one on base 1 and base 1 looks articulated prevent overturning base 6, the one end that will prevent overturning base 6 in fig. 1 forms articulatedly with base 1's lateral surface, it is whole to form between base 6 and base 1 certainly also to prevent overturning, be equipped with upset jack 8 on preventing overturning base 6, the both ends of upset jack 8 form articulatedly with stabilizing sleeve 2 and prevent overturning base 6 respectively, upset jack 8 is used for the drive to prevent overturning base 6 by the rotatory state to the state of laminating mutually with the bottom plate in tunnel of vertical state, or by the rotatory to vertical state of the state of laminating mutually with the tunnel bottom plate, can also set up prevent overturning base 6 into different angular state. It is further preferred still articulated a first connecting rod 9 on each anti-overturning base 6, still articulate a second connecting rod 10 on stabilizing sleeve 2's lateral surface, the tip of first connecting rod 9 is articulated through connecting axle 20 with the tip of second connecting rod 10, the one end of upset jack 8 articulates in stabilizing sleeve 2's lateral surface, its other end forms rotatory articulated with connecting axle 20, when upset jack 8 stretches out, anti-overturning base 6 overturns to the parallel and level with base 1 bottom surface, whole supporting basal area increase this moment, stability reinforcing, anti-overturning base 6 still plays anti-base 1 and comes the pressure impact effect. When the overturning jack 9 is retracted, the overturning-preventing base 5 is overturned to be in a vertical state, and at the moment, the occupied space of the whole support is reduced, so that the support is convenient to carry. The anti-toppling base 6 here is preferably of box construction.
Additionally, the utility model discloses still be equipped with in one side of stabilizing sleeve 2 and set up at least one side guard plate 5, the lower extreme of side guard plate 5 is articulated with base 1, and its upper portion is connected with stabilizing sleeve 2's lateral surface. As shown in fig. 3, the stabilizing sleeve 2 is preferably a square stabilizing sleeve structure, one side of which is provided with a side guard plate 5, the lower end of the side guard plate 5 is hinged with the base 1, the upper part of the side guard plate is hinged with the outer side surface of the stabilizing sleeve 2, the bases 1 corresponding to the other three side surfaces of the stabilizing sleeve 2 are respectively hinged with an anti-overturning base 6, and the bottom surface of the anti-overturning base 6 is in contact with the bottom plate in the roadway. When the side impact appears in the tunnel, the side guard plate can protect the non-operation side, and the safety of workers and equipment in the tunnel is protected.
The preferred scour protection 7 that still is equipped with here between the lateral plate 5 and the lateral surface of stabilizing sleeve 2, the outside position of the other three sides of stabilizing sleeve 2 is equipped with one respectively and prevents the base 6 that topples, and scour protection 7 can distribute and have a plurality ofly, does not restrict the quantity of scour protection here. When rock burst happens, the scour protection 7 between the side guard plates 5 and the stabilizing sleeve 2 can play a good role in buffering huge impact force generated by the rock burst, the side guard plates effectively prevent coal gangue on the sides from rushing into a roadway, the roadway is prevented from being suddenly blocked, and more time is strived for rescue work. Meanwhile, in order to adjust the reasonable working state of the side guard plate during the side guard plate protection, a side guard jack 30 is further arranged between the side guard plate 5 and the stabilizing sleeve 2, the side guard jack 30 is preferably arranged below the scour preventer 7, and two ends of the side guard jack 30 are respectively hinged with the side guard plate 5 and the stabilizing sleeve 2. The side guard plate is preferably of a box structure, the height of the side guard plate 5 is greater than or equal to that of the stabilizing sleeve 2, and the width of the side guard plate 5 is greater than or equal to the distance between two sides of the base 1.
In order to avoid exposing obstacles such as tip such as stock, anchor rope on the former backplate, reduce the destruction to former supporting, guaranteed the equilibrium of support supporting state, the interval is equipped with on top cap 4 and is used for a plurality of through-holes 41 of dodging, the utility model discloses preferably a plurality of through-holes 41 of dodging are rectangular hole structure.
Additionally, the utility model discloses a hydraulic column 3 that adopts includes vertical hydraulic cylinder body 31 and piston rod 32, hydraulic cylinder body 31 is fixed in the inside of stabilizing sleeve 2, piston rod 32's tip can be equipped with universal joint 33, universal joint 33 is connected with top cap 4's lower terminal surface, universal joint 33 here is prior art, connect the tip at top cap 4 and piston rod 32 through universal joint 33, make top cap 4 can rotate or swing, thereby make the rectangular hole can be located the roof suitable position, avoid stock on the former backplate, exposed parts such as anchor rope, avoided the top cap directly to expose parts with these and carried out direct contact and damage the roof.
The top cover part with a long hole, the side protecting plate part resisting side slope impact, the anti-overturning base part resisting bottom plate impact and the energy-absorbing anti-impact device part with an anti-impact function, which can avoid an anchor rod (cable), are added to the advance support part of the common roadway, so that the capability of resisting rock burst in the roadway is greatly improved, and the support safety capability in the roadway is greatly improved.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. The utility model provides a single-column scour protection tunnel advance support hydraulic support, a serial communication port, including base (1), stabilizing sleeve (2), hydraulic column (3) and top cap (4), the lower extreme vertical fixation of stabilizing sleeve (2) is in on base (1), the lower part of hydraulic column (3) set up in the inside of stabilizing sleeve (2), its upper portion stretches out the upper end of stabilizing sleeve (2), top cap (4) set up in the upper end of hydraulic column (3), hydraulic column (3) are used for the drive top cap (4) reciprocate.
2. The single-column anti-scour roadway forepoling hydraulic support of claim 1, wherein the base is provided with at least one anti-overturning base (6) hinged with the base (1).
3. The single-column anti-scour roadway advance support hydraulic support according to claim 2, wherein the overturn-preventing base (6) is further provided with an overturn jack (8), two ends of the overturn jack (8) are respectively hinged to the stabilizing sleeve (2) and the overturn-preventing base (6), and the overturn jack (8) drives the overturn-preventing base (6) to overturn relative to the base (1) through stretching.
4. The single-column anti-impact roadway advance support hydraulic support according to claim 3, wherein each anti-overturning base (6) is further hinged with a first connecting rod (9), the outer side surface of the stabilizing sleeve (2) is further hinged with a second connecting rod (10), the first connecting rod (9) and the second connecting rod (10) are hinged through a connecting shaft (20), one end of the overturning jack (8) is hinged on the stabilizing sleeve (2), and the other end of the overturning jack forms a rotary hinge with the connecting shaft (20).
5. The single-column anti-impact roadway forepoling hydraulic support as claimed in claim 1 or 2, characterized in that at least one side of the stabilizing sleeve (2) is provided with a side guard plate (5), the lower end of the side guard plate (5) is hinged with the base (1), and the upper part of the side guard plate is connected with the stabilizing sleeve (2).
6. The single-column anti-impact roadway advance support hydraulic support according to claim 1 or 2, characterized in that the stabilizing sleeve (2) is of a square stabilizing sleeve structure, a side guard plate (5) is arranged on one side of the stabilizing sleeve, the lower end of the side guard plate (5) is hinged to the base (1), the upper portion of the side guard plate is hinged to the outer side face of the stabilizing sleeve (2), and anti-overturning bases (6) are respectively hinged to the bases (1) corresponding to the other three side faces of the stabilizing sleeve (2).
7. The single-column anti-impact roadway forepoling hydraulic support according to claim 6, characterized in that the upper part of the side guard plate (5) is connected with the stabilizing sleeve (2) through a side guard jack (30).
8. The single-upright-post anti-impact roadway advance support hydraulic support as claimed in claim 7, wherein an anti-impact device (7) is further arranged between the side guard plate (5) and the stabilizing sleeve (2), and the side guard jack (30) is arranged below the anti-impact device (7).
9. The single-upright-post anti-impact roadway forepoling hydraulic support of claim 1, characterized in that an energy-absorbing anti-impact device is arranged at the lower end of the hydraulic upright post (3), and the supporting force of the energy-absorbing anti-impact device is greater than the rated working resistance of the hydraulic upright post (3).
10. The single-column anti-impact roadway forepoling hydraulic support of claim 1, characterized in that a plurality of strip-shaped evasion through holes (41) are arranged on the top cover (4) at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920608749.2U CN210509232U (en) | 2019-04-29 | 2019-04-29 | Single-upright-column anti-impact roadway advanced support hydraulic support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920608749.2U CN210509232U (en) | 2019-04-29 | 2019-04-29 | Single-upright-column anti-impact roadway advanced support hydraulic support |
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| CN210509232U true CN210509232U (en) | 2020-05-12 |
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| CN201920608749.2U Active CN210509232U (en) | 2019-04-29 | 2019-04-29 | Single-upright-column anti-impact roadway advanced support hydraulic support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094219A (en) * | 2019-04-29 | 2019-08-06 | 北京诚田恒业煤矿设备有限公司 | A kind of list column unit erosion control lame advanced supporting hydraulic support |
-
2019
- 2019-04-29 CN CN201920608749.2U patent/CN210509232U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094219A (en) * | 2019-04-29 | 2019-08-06 | 北京诚田恒业煤矿设备有限公司 | A kind of list column unit erosion control lame advanced supporting hydraulic support |
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