CN216240710U

CN216240710U - Coal mine tunnel driving shield support

Info

Publication number: CN216240710U
Application number: CN202123103816.1U
Authority: CN
Inventors: 陈汝利
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-11
Filing date: 2021-12-11
Publication date: 2022-04-08
Anticipated expiration: 2031-12-11

Abstract

The utility model discloses a coal mine roadway tunneling shield support, which relates to the technical field of roadway supports and comprises two parallel side supporting plates, wherein supporting plates are arranged below the positions between the two ends of the two side supporting plates, the supporting plates are arranged in a V shape, the upper ends of the supporting plates are fixedly connected with reinforcing plates, the upper ends of the supporting plates are respectively and fixedly connected with the two side supporting plates, the lower ends of the supporting plates are fixedly connected with adjusting components, each adjusting component comprises a mounting seat, and the upper surface and the lower surface of the mounting seat are respectively and fixedly connected with threaded columns. According to the device, the threaded columns are fixedly connected to the upper surface and the lower surface of the mounting seat, the thread turning directions of the two threaded columns are opposite, and the upper ejection column and the lower ejection column are movably sleeved with the two threaded columns through the threaded holes respectively, so that the device can drive the upper ejection column and the lower ejection column to be away from or close to each other by rotating the mounting seat, and the whole height of the device is convenient to adjust to improve the supporting effect on the inner wall of the roadway.

Description

Coal mine tunnel driving shield support

Technical Field

The utility model relates to the technical field of roadway supports, in particular to a coal mine roadway tunneling shield support.

Background

At present, the temporary support forms adopted by the coal mine roadway driving working face are point column support, single hydraulic prop matched with metal hinged top beam support, temporary support and the like. The point column support and the single hydraulic prop are matched with the metal hinged top beam support to work only by people entering a top control area, so that the method has great danger, high labor intensity of the people, long time consumption and complex operation; the temporary support is mainly a self-moving temporary support, the moving mode mainly comprises a sliding mode and a push-pull mode, but in the field actual production, the self-moving temporary support is not widely applied to a coal mine like a fully mechanized mining support, and a plurality of technical problems exist, such as complex support structure, narrow and small gap between the self-moving temporary support and the fully mechanized mining machine, uneven roadway top plate, safe drilling operation under the shield of the support and the like.

However, at present, when the existing coal mine tunnel excavation shield support supports the inner wall of the tunnel, the overall height of the support is difficult to adjust, so that the support force of the support to the inner wall of the tunnel is small, the support effect is poor, and secondly, the overall structural strength of the support is not high, and the support effect to the inner wall of the tunnel is limited. Therefore, it is necessary to provide a shield for coal mine tunneling to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a coal mine roadway tunneling shield support to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a coal mine tunnel excavation shield support comprises two parallel side supporting plates, a supporting plate is arranged below the space between the two ends of the two side supporting plates, the supporting plate is arranged in a V shape, the upper end of the supporting plate is fixedly connected with a reinforcing plate, the upper ends of the supporting plates are respectively fixedly connected with the two side supporting plates, the lower ends of the supporting plates are fixedly connected with an adjusting component, the adjusting component comprises a mounting seat, the upper surface and the lower surface of the mounting seat are fixedly connected with threaded columns, the screw thread turning directions of the two screw thread columns are opposite, the upper side and the lower side of the mounting seat are respectively provided with an upper support column and a lower support column, one end faces of the upper support column and the lower support column, which are close to each other, are both provided with screw thread holes, and two screw holes are turned to opposite directions, the upper support pillar is movably sleeved with one screw thread pillar through the screw hole, and the lower support pillar is movably sleeved with the other screw thread pillar through the screw hole.

Preferably, the upper end surface of the side supporting plate is arc-shaped, and the upper end surface of the side supporting plate is fixedly connected with a top supporting plate.

Preferably, a plurality of connecting plates distributed in an arc array are fixedly connected between the two top supporting plates, and weight reduction grooves are formed in the side faces of the side supporting plates in a penetrating mode.

Preferably, a jack is formed in one side face of the mounting seat in a penetrating mode, a handle is movably connected to an inner cavity of the jack in a penetrating mode, and two ends of the handle are fixedly connected with fixing balls respectively.

Preferably, the lower end of the adjusting component is fixedly connected with a supporting leg, and rolling grooves are formed in two ends of the lower surface of the supporting leg.

Preferably, the inner walls of the two sides of the rolling groove are vertically provided with shaft grooves, the inner cavity of the rolling groove is provided with the roller, and the two ends of the roller rotating shaft are movably inserted into the two shaft grooves respectively.

The utility model has the technical effects and advantages that:

1. according to the device, the threaded columns are fixedly connected to the upper surface and the lower surface of the mounting seat, the thread turning directions of the two threaded columns are opposite, and the upper ejection column and the lower ejection column are movably sleeved with the two threaded columns through the threaded holes respectively, so that the device can drive the upper ejection column and the lower ejection column to be away from or close to each other by rotating the mounting seat, and the whole height of the device is convenient to adjust to improve the supporting effect on the inner wall of the roadway;

2. according to the utility model, the top supporting plates are fixedly connected to the upper surfaces of the side supporting plates and are arranged in an arc shape, so that the supporting area of the device on the inner wall of a roadway can be increased, the arc-shaped top supporting plates can also avoid fracture and damage caused by overlarge local stress of the arc-shaped top supporting plates, a plurality of connecting plates distributed in an arc-shaped array are fixedly connected between the two top supporting plates, and the two ends of each supporting plate are fixedly connected with the two side supporting plates respectively, so that the integral structural strength of the device is enhanced, and further, greater pressure can be borne.

Drawings

Fig. 1 is a perspective view of the overall structure of the present invention.

Fig. 2 is an exploded view of the leg structure of the present invention.

Fig. 3 is an exploded view of the regulating assembly of the present invention.

In the figure: 1. a side supporting plate; 11. a top bracing plate; 12. a connecting plate; 13. a weight reduction groove; 2. a support plate; 21. a reinforcing plate; 3. an adjustment assembly; 31. a mounting seat; 32. a threaded post; 33. an upper top pillar; 34. a lower top pillar; 35. a threaded hole; 36. a jack; 37. a handle; 38. fixing the ball; 4. a support leg; 41. a rolling groove; 42. a shaft groove; 43. and a roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a coal mine roadway tunneling shield support as shown in figures 1-3, which comprises two parallel side supporting plates 1, wherein the upper end surfaces of the side supporting plates 1 are arranged into an arc shape, the upper end surfaces of the side supporting plates 1 are fixedly connected with top supporting plates 11, the top supporting plates 11 are used for supporting the inner wall of a roadway, the top supporting plates 11 are arc-shaped and can disperse locally-borne large pressure to other parts so as to avoid damage caused by excessive local stress, a plurality of connecting plates 12 distributed in an arc-shaped array are fixedly connected between the two top supporting plates 11, the connecting plates 12 are used for connecting the two top supporting plates 11, weight reducing grooves 13 are formed in the side surfaces of the side supporting plates 1 in a penetrating manner, and the weight reducing grooves 13 are used for reducing the overall weight of the side supporting plates 1.

Secondly, all be provided with backup pad 2 in the below between two backup pad 1 both ends, backup pad 2 sets up to "V" style of calligraphy, backup pad 2's upper end fixedly connected with reinforcing plate 21, and the setting of reinforcing plate 21 is used for two upper ends of fixed connection backup pad 2, backup pad 2's upper end respectively with two backup pad 1 fixed connection, backup pad 2 set up and is used for supporting two backup pads 1, backup pad 2's lower extreme fixedly connected with adjusting part 3.

Specifically, adjusting part 3 includes mount pad 31, the equal fixedly connected with screw post 32 in upper and lower two surfaces of mount pad 31, and the screw thread of two screw posts 32 is revolved to opposite, the upper and lower both sides of mount pad 31 are provided with fore-set 33 and fore-set 34 down respectively, go up fore-set 33 and the terminal surface that fore-set 34 is close to each other down and all seted up threaded hole 35, and two threaded hole 35 revolve to opposite, it cup joints with a screw post 32 activity through threaded hole 35 to go up fore-set 33, down fore-set 34 cup joints with another screw post 32 activity through threaded hole 35, consequently, when mount pad 31 rotates, screw post 32 can drive fore-set 33 and fore-set 34 be close to each other and remove or keep away from each other and remove through the threaded connection between with threaded hole 35.

Furthermore, a jack 36 is formed in a side face of the mounting seat 31 in a penetrating mode, a handle 37 is movably connected to an inner cavity of the jack 36 in a penetrating mode, and fixing balls 38 are fixedly connected to two ends of the handle 37 respectively, so that the mounting seat 31 can be driven to rotate by pulling the handle 37, the handle 37 can slide in the inner cavity of the jack 36, and therefore the handle 37 is prevented from being blocked by the inner wall of a roadway when rotating.

And, lower extreme fixedly connected with stabilizer blade 4 at adjusting part 3, rolling groove 41 has all been seted up at the both ends of stabilizer blade 4 lower surface, the equal vertical axle slot 42 of having seted up of both sides inner wall of rolling groove 41, gyro wheel 43 has been placed to the inner chamber of rolling groove 41, and the both ends of gyro wheel 43 pivot are pegged graft with two axle slot 42 activities respectively, consequently, the inner chamber of rolling groove 41 can be put into from bottom to top to gyro wheel 43, it removes when subaerial to be convenient for this device to place, after this device removes suitable position, make the one end perk of stabilizer blade 4 through inclining this device, gyro wheel 43 can fall out from the inner chamber of rolling groove 41 naturally under the action of gravity, thereby avoid this device to install the possibility of taking place the removal after.

The working principle of the utility model is as follows:

when the device is used, the device is pushed to a proper position, then the device is inclined, one end of each support leg 4 is tilted, the roller 43 at one end of each support leg 4 can be separated from the inner cavity of the rolling groove 41 under the action of gravity, and the roller 43 at the other end of each support leg 4 is detached in the same way, so that the device cannot be easily moved after being placed on the ground;

then drive mount pad 31 through pulling jack 36 and rotate, this moment screw thread post 32 through with screw hole 35 between the thread engagement, can drive fore-set 33 and lower fore-set 34 and keep away from each other, and then can adjust the whole height of this device to ensure that this device can carry out good support to the roof in tunnel.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a coal mine tunnel tunnelling shield support, includes two parallel side faggings (1), its characterized in that: the supporting plates (2) are arranged below the two ends of the two side supporting plates (1), the supporting plates (2) are arranged to be V-shaped, the reinforcing plates (21) are fixedly connected to the upper ends of the supporting plates (2), the upper ends of the supporting plates (2) are fixedly connected with the two side supporting plates (1) respectively, the lower ends of the supporting plates (2) are fixedly connected with adjusting components (3), each adjusting component (3) comprises an installation seat (31), threaded columns (32) are fixedly connected to the upper surface and the lower surface of the installation seat (31), the screw thread turning directions of the two threaded columns (32) are opposite, upper jacking columns (33) and lower jacking columns (34) are arranged on the upper sides and the lower sides of the installation seat (31) respectively, threaded holes (35) are formed in one end face, close to each other, of the upper jacking columns (33) and the lower jacking columns (34), and the screw thread turning directions of the two threaded holes (35) are opposite, the upper support pillar (33) is movably sleeved with one threaded pillar (32) through a threaded hole (35), and the lower support pillar (34) is movably sleeved with the other threaded pillar (32) through the threaded hole (35).

2. The coal mine tunnelling shield support as claimed in claim 1, wherein: the upper end face of the side supporting plate (1) is arc-shaped, and the upper end face of the side supporting plate (1) is fixedly connected with a top supporting plate (11).

3. A coal mine tunnelling shield support as claimed in claim 2, in which: a plurality of connecting plates (12) distributed in an arc array are fixedly connected between the two top supporting plates (11), and weight reduction grooves (13) are formed in the side faces of the side supporting plates (1) in a penetrating mode.

4. A coal mine tunnelling shield support as claimed in claim 3, in which: a side face of the mounting seat (31) is provided with a jack (36) in a penetrating mode, an inner cavity of the jack (36) is movably connected with a handle (37) in a penetrating mode, and two ends of the handle (37) are fixedly connected with fixing balls (38) respectively.

5. The coal mine tunnelling shield support as set forth in claim 4, which is characterized in that: the lower extreme fixedly connected with stabilizer blade (4) of adjusting part (3), rolling groove (41) have all been seted up at the both ends of stabilizer blade (4) lower surface.

6. A coal mine tunnelling shield support as defined in claim 5, in which: shaft grooves (42) are vertically formed in the inner walls of the two sides of the rolling groove (41), rollers (43) are placed in the inner cavity of the rolling groove (41), and the two ends of a rotating shaft of each roller (43) are movably connected with the two shaft grooves (42) in an inserting mode respectively.