CN213478358U

CN213478358U - Novel coal mine tunneling supporting device

Info

Publication number: CN213478358U
Application number: CN202022539124.0U
Authority: CN
Inventors: 刘洪伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-06-18
Anticipated expiration: 2030-11-05

Abstract

The utility model relates to a coal mine tunnel struts technical field, and discloses a novel colliery is tunneled with strutting device, including two foundation piles, two jacks of the top symmetry fixedly connected with of foundation pile, two bracing pieces of the top symmetry fixedly connected with of jack, two the side symmetry threaded connection that the bracing piece is close to mutually has two sets of screw rods, every group the quantity of screw rod is two, and is two sets of the one end that the screw rod was kept away from mutually runs through two bracing pieces and threaded connection respectively has the side stake, two fixedly connected with back timber between the top of bracing piece. The utility model provides a current roadway support device when supporting the tunnel, the strutting arrangement receives and appears warping, rupture or collapsing easily after the extrusion to unable effectual supporting protection to the tunnel leads to strutting the effect not good, and struts the not enough problem of reliability.

Description

Novel coal mine tunneling supporting device

Technical Field

The utility model relates to a coal mine tunnel struts technical field, specifically is a novel colliery is tunneled with strutting device.

Background

In coal mining, when the coal mine is located at the bottom of the ground, a roadway needs to be excavated from the ground to communicate with the coal seam, so that related equipment and personnel can reach the coal seam, and the mined coal mine can be transported to the ground.

Because the tunnel is excavated, can make the pressure change around the tunnel to make the tunnel collapse easily, need support the protection to the tunnel of newly drivage this moment, thereby the safety of relevant equipment and personnel in the protection tunnel.

When the existing roadway supporting device supports a roadway, the supporting device is easy to deform, break or collapse after being extruded, so that the roadway cannot be effectively supported and protected, the supporting effect is poor, and the supporting reliability is insufficient.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a novel colliery is tunneled and is used supporting device has solved current tunnel support device and when supporting the tunnel, appears warping, rupture or collapsing easily after strutting arrangement receives the extrusion to unable effectual supporting protection to the tunnel leads to strutting the effect not good, and struts the not enough problem of reliability.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a novel supporting device for coal mine tunneling comprises two bottom piles, wherein the tops of the two bottom piles are symmetrically and fixedly connected with two jacks, the tops of the two jacks are symmetrically and fixedly connected with two supporting rods, the side faces, close to the two supporting rods, of the two supporting rods are symmetrically and threadedly connected with two groups of screws, the number of each group of screws is two, the ends, far away from the two groups of screws, penetrate through the two supporting rods respectively and are threadedly connected with side piles, and top beams are fixedly connected between the tops of the two supporting rods;

two first threaded sleeves are symmetrically and rotatably connected with the side surfaces, close to the two support rods, a cross rod is in threaded connection between threaded holes of the two first threaded sleeves, two first nuts are symmetrically and fixedly connected with the side surfaces, close to the two first threaded sleeves, two first screw caps are movably sleeved on the outer circular surface of the cross rod, two sliding sleeves are symmetrically and slidably sleeved on the outer circular surface of the cross rod, two top sleeves are symmetrically and fixedly connected to the side surfaces, close to the two sliding sleeves, and the two top sleeves are movably sleeved on the outer circular surface of the cross bar, the tops of the two top sleeves are in symmetrical inclined plane shapes, the tops of the two sliding sleeves are symmetrically hinged with two second threaded sleeves, two ejector rods are symmetrically and threadedly connected in threaded holes of the two second threaded sleeves, the top ends of the two ejector rods are abutted against the inner circular surface of the top beam, and two second screw caps are symmetrically fixedly sleeved on the outer circular surfaces of the two ejector rods;

the bottom activity of horizontal pole is pegged graft and is had the inserted bar, the bottom fixedly connected with limiting plate of inserted bar, fixedly connected with spring between the top of limiting plate and the bottom of horizontal pole, the bottom and the fixedly connected with fixed plate of horizontal pole are run through on the top of inserted bar, and the bottom of fixed plate is inconsistent with the top of two top covers, the top fixedly connected with straight-bar of fixed plate, the top fixedly connected with arc roof of straight-bar, and the top of arc roof is inconsistent with the interior disc of back timber, the outer disc of straight-bar slides and has cup jointed the removal cover, the symmetry articulates between the outer disc of removal cover and the outer disc of two second threaded sleeve has two articulated rods.

Preferably, the top end of the ejector rod is hemispherical.

Preferably, the spring is movably sleeved on the outer circular surface of the inserted rod.

Preferably, two anchor holes are symmetrically formed in the side face of the side pile, and four anchor holes are formed in the top of the bottom pile.

Preferably, the included angle between the top of the top sleeve and the horizontal plane is fifteen degrees.

Preferably, the top beam is a deformable metal.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel colliery is tunneled with strutting device possesses following beneficial effect:

1. the utility model discloses a distance between two bracing pieces of regulation that set up, first thread bush and horizontal pole can be nimble to can be applicable to the tunnel of different width, cooperate deformable back timber can be so that the back timber better laminate mutually with the tunnel top, guarantee the supporting effect to the tunnel, the height of roof beam is adjusted to the jack of deuterogamying, makes the device can be applicable to the tunnel of different heights, thereby very big improvement the device's practicality and reliability.

2. The utility model discloses a removal cover and the hinge bar that set up can be so that two ejector pins are in symmetrical position all the time to guarantee the equilibrium of ejector pin to back timber supporting force, and then improved the reliability that the ejector pin supported the roof beam, the effectual device that has improved strut the effect.

3. The utility model discloses a sliding sleeve that sets up, the top cover, the inserted bar, the limiting plate, a spring, the fixed plate, straight-bar and arc roof, make the back timber when receiving the pressure at tunnel top, the back timber can transmit this pressure to two ejector pin departments, the ejector pin pressurized can drive two top covers through two sliding sleeves and remove towards the direction that is close to mutually, the top cover can be through fixed plate and straight-bar with arc roof jack-up that makes progress, thereby make the arc roof can give the bigger holding power of back timber, and then effectual supporting effect and the reliability that has improved the device.

Drawings

Fig. 1 is a front view of the novel support device for coal mine tunneling of the utility model;

fig. 2 is a front sectional view of the novel supporting device for coal mine tunneling;

fig. 3 is a left side view of the novel support device for coal mine tunneling;

fig. 4 is a top view of the bottom pile of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: the pile comprises 1 bottom pile, 2 jacks, 3 supporting rods, 4 screw rods, 5 side piles, 6 top beams, 7 first threaded sleeves, 8 cross rods, 9 first screw caps, 10 sliding sleeves, 11 top sleeves, 12 second threaded sleeves, 13 top rods, 14 second screw caps, 15 inserted rods, 16 limiting plates, 17 springs, 18 fixing plates, 19 straight rods, 20 arc-shaped top plates, 21 moving sleeves and 22 hinge rods.

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. 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. 1-5, the utility model provides a technical solution: a novel supporting device for coal mine tunneling comprises two bottom piles 1, wherein the tops of the two bottom piles 1 are symmetrically and fixedly connected with two jacks 2, the tops of the two jacks 2 are symmetrically and fixedly connected with two supporting rods 3, the side surfaces of the two supporting rods 3 which are close to each other are symmetrically and threadedly connected with two groups of screw rods 4, the number of each group of screw rods 4 is two, the end, far away from each other, of each group of screw rods 4 respectively penetrates through the two supporting rods 3 and is threadedly connected with a side pile 5, two anchor holes are symmetrically formed in the side surface of the side pile 5, and the top of the bottom pile 1 is provided with four anchor holes, so that the side pile 5 and the bottom pile 1 can be stably connected with a roadway, a top beam 6 is fixedly connected between the top ends of the two support rods 3, the top beam 6 is deformable metal, the top beam 6 can be better attached to the top of the roadway, so that the top beam 6 can support the top of the roadway more reliably;

two first threaded sleeves 7 are symmetrically and rotatably connected to the side surfaces, close to each other, of the two support rods 3, a cross rod 8 is in threaded connection between threaded holes of the two first threaded sleeves 7, two first nuts 9 are symmetrically and fixedly connected to the side surfaces, close to each other, of the two first threaded sleeves 7, the two first nuts 9 are movably sleeved on the outer circular surface of the cross rod 8, two sliding sleeves 10 are symmetrically and slidably sleeved on the outer circular surface of the cross rod 8, two jacking sleeves 11 are symmetrically and fixedly connected to the side surfaces, close to each sliding sleeve 10, of the two jacking sleeves 11, the two jacking sleeves 11 are movably sleeved on the outer circular surface of the cross rod 8, the tops of the two jacking sleeves 11 are symmetrically inclined planes, an included angle between the top of each jacking sleeve 11 and the horizontal plane is fifteen degrees, so that the jacking sleeves 11 can smoothly jack up the arc-shaped top plate 20, the tops of the two sliding sleeves 10 are symmetrically hinged to each other with two second threaded sleeves 12, and two jacking, the top ends of the two ejector rods 13 are abutted against the inner circular surface of the top beam 6, the top ends of the ejector rods 13 are hemispherical, so that the ejector rods 13 can more stably support the top beam 6, and the outer circular surfaces of the two ejector rods 13 are symmetrically and fixedly sleeved with two second screw caps 14;

the bottom activity of horizontal pole 8 is pegged graft and is had inserted bar 15, the bottom fixedly connected with limiting plate 16 of inserted bar 15, fixedly connected with spring 17 between the top of limiting plate 16 and the bottom of horizontal pole 8, spring 17 activity cup joints on the outer disc of inserted bar 15, make the work of stretching out and drawing back that carries on that spring 17 can be stable, the bottom and the fixedly connected with fixed plate 18 of horizontal pole 8 are run through on the top of inserted bar 15, and the bottom of fixed plate 18 is inconsistent with the top of two top sleeves 11, the top fixedly connected with straight-bar 19 of fixed plate 18, the top fixedly connected with arc roof 20 of straight-bar 19, and the top of arc roof 20 is inconsistent with the interior disc of back timber 6, the outer disc of straight-bar 19 slides and has cup jointed removal cover 21, the symmetry articulates between the outer disc of removal cover 21 and the outer disc of two second threaded sleeve 12.

The working principle is as follows: in operation, the first screw sleeve 7 is rotated by the first screw cap 9, so as to adjust the distance between the two support rods 3, so that the side piles 5 on both sides are respectively tightly supported on both sides of the roadway, and when adjusting the distance between the two support rods 3, the top beam 6 can be deformed, so as not to obstruct the adjustment of the distance between the two support rods 3, then the top beam 6 is jacked up by the jack 2 and the support rods 3 until the top beam 6 is tightly supported on the top of the roadway, and because the top beam 6 is deformable, the top beam 6 can be better attached to the top of the roadway, so as to more reliably support the top of the roadway, then the side piles 5 on both sides are respectively fixedly connected with both sides of the roadway by the anchor rods, the bottom pile 1 is connected with the ground of the roadway by the anchor rods, then the ejector rods 13 are driven to rotate by the second screw cap 14 until the two ejector rods 13 are tightly supported on the inner circular, and finishing the installation of the supporting device.

When roof beam 6 received the pressure that comes from the tunnel top, pressure can transmit to two ejector pins 13 on, two ejector pins 13 promote two top cover 11 through second screw sleeve 12 and sliding sleeve 10 and move towards the direction that is close to mutually, two top cover 11 can overcome spring 17's elastic force effect and upwards push up arc roof 20 through fixed plate 18 and straight-bar 19 this moment, thereby increase arc roof 20 and to the holding power of roof beam 6, and then increased the holding power of roof beam 6 to the tunnel top, thereby better play the supporting role to the tunnel.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel colliery is tunneled with strutting device, includes two foundation piles (1), its characterized in that: the top of each bottom pile (1) is symmetrically and fixedly connected with two jacks (2), the top of each jack (2) is symmetrically and fixedly connected with two support rods (3), the side faces, close to the two support rods (3), of the two support rods are symmetrically and threadedly connected with two groups of screw rods (4), the number of each group of screw rods (4) is two, the far ends of the two groups of screw rods (4) respectively penetrate through the two support rods (3) and are threadedly connected with side piles (5), and a top beam (6) is fixedly connected between the top ends of the two support rods (3);

two first threaded sleeves (7) are symmetrically and rotatably connected to the side faces, close to each other, of the two support rods (3), a cross rod (8) is connected between threaded holes of the two first threaded sleeves (7) in a threaded manner, two first nuts (9) are symmetrically and fixedly connected to the side faces, close to each first threaded sleeve (7), of the two first nuts (9), the two first nuts (9) are movably sleeved on the outer circular face of the cross rod (8), two sliding sleeves (10) are symmetrically and slidably sleeved on the outer circular face of the cross rod (8), two top sleeves (11) are symmetrically and fixedly connected to the side faces, close to each sliding sleeve (10), of the two top sleeves (11), the two top sleeves (11) are movably sleeved on the outer circular face of the cross rod (8), the tops of the two top sleeves (11) are in symmetrical inclined plane shapes, and the tops of the two sliding sleeves (10) are symmetrically hinged with two second threaded sleeves, two ejector rods (13) are symmetrically and threadedly connected in threaded holes of the two second threaded sleeves (12), the top ends of the two ejector rods (13) are abutted against the inner circular surface of the top beam (6), and two second screw caps (14) are symmetrically and fixedly sleeved on the outer circular surfaces of the two ejector rods (13);

an inserted rod (15) is movably inserted at the bottom of the cross rod (8), a limiting plate (16) is fixedly connected at the bottom end of the inserted rod (15), a spring (17) is fixedly connected between the top of the limit plate (16) and the bottom of the cross bar (8), the top end of the inserted bar (15) penetrates through the bottom of the cross bar (8) and is fixedly connected with a fixing plate (18), and the bottom of the fixed plate (18) is abutted against the tops of the two top sleeves (11), the top of the fixed plate (18) is fixedly connected with a straight rod (19), the top end of the straight rod (19) is fixedly connected with an arc-shaped top plate (20), and the top of the arc top plate (20) is pressed against the inner circle surface of the top beam (6), the outer circular surface of the straight rod (19) is sleeved with a movable sleeve (21) in a sliding mode, and two hinge rods (22) are symmetrically hinged between the outer circular surface of the movable sleeve (21) and the outer circular surfaces of the two second threaded sleeves (12).

2. A novel coal mine excavation supporting device according to claim 1, characterized in that: the top end of the ejector rod (13) is hemispherical.

3. A novel coal mine excavation supporting device according to claim 1, characterized in that: the spring (17) is movably sleeved on the outer circular surface of the inserted rod (15).

4. A novel coal mine excavation supporting device according to claim 1, characterized in that: two anchor holes are symmetrically formed in the side face of the side pile (5), and four anchor holes are formed in the top of the bottom pile (1).

5. A novel coal mine excavation supporting device according to claim 1, characterized in that: the included angle between the top of the top sleeve (11) and the horizontal plane is fifteen degrees.

6. A novel coal mine excavation supporting device according to claim 1, characterized in that: the top beam (6) is made of deformable metal.