CN217001913U

CN217001913U - Underground roadway roof supporting device

Info

Publication number: CN217001913U
Application number: CN202220541443.1U
Authority: CN
Inventors: 田建伟
Original assignee: Erdos Zhengfeng Mining Industry Co ltd
Current assignee: Erdos Zhengfeng Mining Industry Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-07-19
Anticipated expiration: 2032-03-11

Abstract

The utility model discloses a top plate supporting device for an underground roadway, which comprises supporting plates, wherein extension blocks are arranged between the supporting plates, auxiliary extension blocks are arranged on the outer walls of the extension blocks, the auxiliary extension blocks are of a forked structure, the supporting plates are connected in a drawing manner in the auxiliary extension blocks through the extension blocks, connecting rods are of a threaded rod structure, connecting sleeves are of a threaded groove structure, rotating handles are arranged at the upper ends of the outer walls of the connecting sleeves, rotating blocks are arranged between the connecting sleeves and a supporting base, and the connecting sleeves are in spiral lifting connection with the supporting plates through the connecting rods. This underworkings roof supporting device can rotate adapter sleeve through rotatory piece and commentaries on classics to drive the connecting rod and carry out spiral shell screwing in, thereby drive the backup pad and stably rise, more stable, avoid the landing, and when using, can carry out lateral expansion with the backup pad through extending the piece and supplementary extension piece, adapt to the tunnel of different width, conveniently carry out nimble use.

Description

Underground roadway roof supporting device

The technical field is as follows:

the utility model relates to the technical field of underground roadway support, in particular to an underground roadway top plate support device.

Background art:

when the excavation and mining of the underground coal mine tunnel are carried out, if the underground tunnel cannot be supported in time, the problems of deformation, displacement, damage and the like of surrounding rocks of the underground tunnel can be caused, and further the excavation and mining of the underground tunnel can not be carried out smoothly and safely. The excavation construction of the underground tunnel needs to consider the problems of geological structure, excavation equipment, excavation process and excavation speed, and also needs to consider the problems of construction speed, construction organization management, construction personnel quality and the like, so the underground tunnel belongs to systematic and complex engineering. In view of current downhole production, how to well support and control a downhole roadway becomes one of the problems that must be solved.

When the existing supporting device is used, the flexible expansion use cannot be carried out, so that the aim of flexible expansion use of the underground roadway roof supporting device is fulfilled.

The utility model has the following contents:

the utility model aims to provide an underground roadway roof supporting device, which solves the problem that the underground roadway roof supporting device in the background technology cannot be flexibly expanded to use.

The utility model is implemented by the following technical scheme: the utility model provides a roadway roof strutting arrangement in pit, includes the backup pad, the backup pad lower extreme is equipped with the connecting rod, and its connecting rod other end is equipped with adapter sleeve, and the adapter sleeve lower extreme is equipped with the support base, the backup pad is U type structure, and the backup pad is segmentation structure, be equipped with the extension piece between the backup pad, its extension piece outer wall is equipped with supplementary extension piece, and supplementary extension piece is the bifurcation structure, be the pull connection in supplementary extension piece through extending the piece between the backup pad, the connecting rod is threaded rod structure, adapter sleeve is the thread groove structure, and is equipped with the commentaries on classics handle on the adapter sleeve outer wall, be equipped with rotatory piece between adapter sleeve and the support base, and adapter sleeve is spiral lift connection through connecting rod and backup pad.

Preferably, the backup pad upper end is equipped with the cushion, and the cushion is flexible glue hollow structure, the cushion inner wall is equipped with first spring, and first spring is equidistant parallel position in the cushion inner wall and distributes, the cushion is elastic support through first spring and backup pad and is connected.

Preferably, the backup pad side is equipped with the second spring, and the second spring other end is equipped with the installation piece, the installation piece is elastic telescopic connection through second spring and backup pad, and the installation piece outer wall is equipped with the smooth pearl, the smooth pearl is roll connection with the installation piece.

Preferably, the backup pad inner wall is equipped with the reinforcement piece, and the reinforcement piece is the triangle structure, reinforcement piece side is equipped with the lockplate, and lockplate one end is equipped with the pivot, the lockplate is the upset through pivot and backup pad and is connected, and the lockplate inner wall is equipped with supplementary lockplate, supplementary lockplate outer wall is equipped with the slider, and supplementary lockplate is the slip pull through slider and lockplate and is connected, the lockplate is the locking with the backup pad and is connected.

Preferably, the spread groove has been seted up to the backup pad lower extreme, and the spread groove inner wall is equipped with the connecting block, the connecting block other end is connected with the connecting rod, and the connecting rod outer wall is equipped with the installation slot, the installation slot is connected with the anchor block, and the anchor block is the interlude through installation slot and connecting rod and is connected, the backup pad is inserted and closes fixed connection through spread groove, connecting block and connecting rod, and the backup pad side is equipped with the locking knob.

Preferably, be equipped with fixing bolt on the support base, and fixing bolt is triangle position distribution on supporting the base, it is equipped with the splice plate to support the base side, and the splice plate both ends are equipped with the concatenation inserted block, the splice plate is to inserting the installation through concatenation inserted block and support base, and the concatenation inserted block is the bolt fastening through fixing bolt and support base, it is to inserting the concatenation connection through the concatenation inserted block between the support base.

The utility model has the advantages that: this underworkings roof supporting device can rotate connecting sleeve through rotatory piece and commentaries on classics to drive the connecting rod and carry out spiral shell screwing in, thereby drive the backup pad and stably rise, more stable, avoid the landing, and when using, can carry out horizontal extension through extending the piece and supplementary extension piece with the backup pad, adapt to the tunnel of different width, conveniently carry out nimble use.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of an underground roadway roof supporting device in front view;

FIG. 2 is a schematic cross-sectional view of a top plate supporting device for an underground roadway according to the present invention;

FIG. 3 is a schematic view of the connection between a supporting base and a splice plate of the underground roadway roof supporting device of the present invention;

FIG. 4 is a schematic view of the connection between a locking plate and an auxiliary locking plate of the supporting device for the top plate of the underground roadway according to the present invention;

fig. 5 is an enlarged view of a part A in fig. 2 of the underground roadway roof supporting device of the utility model;

fig. 6 is an enlarged view of a top plate supporting device of an underground roadway at the position B in fig. 2;

fig. 7 is an enlarged view of the underground roadway roof supporting device in fig. 2 at the position C.

In the figure: 1. the device comprises a supporting plate, 2, a connecting rod, 3, a connecting sleeve, 4, a supporting base, 5, an extending block, 6, an installing slot, 7, a rotating handle, 8, a rotating block, 9, a locking plate, 10, a reinforcing block, 11, a splicing plate, 12, a splicing insertion block, 13, a fixing bolt, 14, an auxiliary locking plate, 15, a sliding block, 16, a connecting groove, 17, a connecting block, 18, a locking knob, 19, an auxiliary extending block, 20, a rotating shaft, 21, a cushion block, 22, a first spring, 23, a sliding ball, 24, an installing block, 25 and a second spring.

The specific implementation mode is as follows:

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.

Referring to fig. 1-7, the present invention provides a technical solution: a roadway roof support device in the pit comprises a support plate 1, a connecting rod 2, a connecting sleeve 3, a support base 4, an extension block 5, an installation slot 6, a rotating handle 7, a rotating block 8, a locking plate 9, a reinforcing block 10, a splicing plate 11, a splicing insertion block 12, a fixing bolt 13, an auxiliary locking plate 14, a sliding block 15, a connecting groove 16, a connecting block 17, a locking knob 18, an auxiliary extension block 19, a rotating shaft 20, a cushion block 21, a first spring 22, a sliding ball 23, an installation block 24 and a second spring 25, wherein the lower end of the support plate 1 is provided with the connecting rod 2, the other end of the connecting rod 2 is provided with the connecting sleeve 3, the lower end of the connecting sleeve 3 is provided with the support base 4, the upper end of the support plate 1 is provided with the cushion block 21, the cushion block 21 is of a soft rubber hollow structure, the inner wall of the cushion block 21 is provided with the first spring 22, and the first spring 22 is distributed on the inner wall of the cushion block 21 in an equidistant parallel position, the cushion block 21 is elastically supported and connected with the supporting plate 1 through a first spring 22, so that the cushion support is realized through the cushion block 21 and the first spring 22, the use is more stable, the side surface of the supporting plate 1 is provided with a second spring 25, the other end of the second spring 25 is provided with an installation block 24, the installation block 24 is elastically and telescopically connected with the supporting plate 1 through the second spring 25, the outer wall of the installation block 24 is provided with a sliding ball 23, the sliding ball 23 is in rolling connection with the installation block 24, so that the supporting plate 1 can stably slide and lift to avoid uneven wall surface clamping, the inner wall of the supporting plate 1 is provided with a reinforcing block 10, the reinforcing block 10 is in a triangular structure, the side surface of the reinforcing block 10 is provided with a locking plate 9, one end of the locking plate 9 is provided with a rotating shaft 20, the locking plate 9 is in turnover connection with the supporting plate 1 through the rotating shaft 20, the inner wall of the locking plate 9 is provided with an auxiliary locking plate 14, the outer wall of the auxiliary locking plate 14 is provided with a sliding block 15, the auxiliary locking plate 14 is connected with the locking plate 9 in a sliding and drawing manner through a sliding block 15, the locking plate 9 is connected with the support plate 1 in a locking manner, so that the structure of the support plate 1 is more stable, the support plate 1 is conveniently locked and fixed after being stretched, the lower end of the support plate 1 is provided with a connecting groove 16, the inner wall of the connecting groove 16 is provided with a connecting block 17, the other end of the connecting block 17 is connected with the connecting rod 2, the outer wall of the connecting rod 2 is provided with an installation slot 6, the installation slot 6 is connected with a reinforcing block 10, the reinforcing block 10 is in penetrating connection with the connecting rod 2 through the installation slot 6, the support plate 1 is in inserting fixed connection with the connecting rod 2 through the connecting groove 16 and the connecting block 17, the side surface of the support plate 1 is provided with a locking knob 18, so that the connecting rod 2 is convenient to carry out inserting disassembly and assembly, the installation is more stable, the support base 4 is provided with a fixing bolt 13, and the fixing bolt 13 is distributed on the support base 4 in a triangular position, the side surface of the supporting base 4 is provided with a splice plate 11, the two ends of the splice plate 11 are provided with splice insertion blocks 12, the splice plate 11 is inserted and installed with the supporting base 4 through the splice insertion blocks 12, the splice insertion blocks 12 are fixed with the supporting base 4 through fixing bolts 13, the supporting bases 4 are connected with each other through the splice insertion blocks 12 in an inserting and splicing manner, so that the supporting base 4 is more stably fixed with the ground and can be spliced, the supporting plate 1 is in a U-shaped structure, the supporting plate 1 is in a segmented structure, the extension block 5 is arranged between the supporting plates 1, the outer wall of the extension block 5 is provided with an auxiliary extension block 19, the auxiliary extension block 19 is in a forked structure, the supporting plates 1 are connected with each other in a drawing manner in the auxiliary extension block 19 through the extension block 5, the connecting rod 2 is in a threaded rod structure, the connecting sleeve 3 is in a threaded groove structure, the upper end of the outer wall of the connecting sleeve 3 is provided with a rotating handle 7, a rotating block 8 is arranged between the connecting sleeve 3 and the supporting base 4, and the connecting sleeve 3 is spirally connected with the supporting plate 1 in a lifting way through a connecting rod 2.

The working principle is as follows: when the underground roadway roof supporting device is used, firstly, the connecting rod 2 is inserted into the installation slot 6 on the reinforcing block 10 and is fixedly inserted into the supporting plate 1 through the connecting groove 16 and the connecting block 17, then, the supporting plate 1 is fixedly locked through the locking knob 18, then, the device is erected, then, the supporting plate 1 is expanded through the extending block 5 and the auxiliary extending block 19 according to the roadway width and is attached to the inner wall of the roadway, then, the locking plate 9 is turned over towards the supporting plate 1 through the rotating shaft 20, the auxiliary locking plate 14 can be extended and slid out through the sliding block 15 and then is locked with the supporting plate 1, then, the supporting bases 4 are connected in a splicing mode through the splicing insertion block 12 and the splicing plate 11, then, the splicing insertion block 12 is locked through the fixing bolt 13 and is fixed with the ground, then, the connecting sleeve 3 is rotated through the rotating handle 7 and the rotating block 8, so that the connecting rod 2 is lifted, thereby drive backup pad 1 and rise, then support with the roof laminating, and when rising, can avoid blocking through smooth pearl 23, installation piece 24 and second spring 25 and wall elasticity roll, and backup pad 1 top can be through cushion support of cushion 21 and first spring 22, and this is this underworkings roof support device's use.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a roadway roof supporting device in pit, includes backup pad (1), backup pad (1) lower extreme is equipped with connecting rod (2), and its connecting rod (2) other end is equipped with adapter sleeve (3), and adapter sleeve (3) lower extreme is equipped with support base (4), its characterized in that: the U-shaped structure is adopted in the support plate (1), the support plate (1) is of a segmented structure, an extension block (5) is arranged between the support plate (1), an auxiliary extension block (19) is arranged on the outer wall of the extension block (5), the auxiliary extension block (19) is of a branched structure, the support plate (1) is connected with the support base in a drawing mode through the extension block (5), the connecting rod (2) is of a threaded rod structure, the connecting sleeve (3) is of a threaded groove structure, a rotating handle (7) is arranged at the upper end of the outer wall of the connecting sleeve (3), a rotating block (8) is arranged between the connecting sleeve (3) and the support base (4), and the connecting sleeve (3) is in spiral lifting connection with the support plate (1) through the connecting rod (2).

2. The underground roadway roof supporting device according to claim 1, wherein: backup pad (1) upper end is equipped with cushion (21), and cushion (21) are flexible glue hollow structure, cushion (21) inner wall is equipped with first spring (22), and first spring (22) are equidistant parallel position in cushion (21) inner wall and distribute, cushion (21) are the elastic support through first spring (22) and backup pad (1) and are connected.

3. The underground roadway roof supporting device according to claim 2, wherein: backup pad (1) side is equipped with second spring (25), and second spring (25) other end is equipped with installation piece (24), installation piece (24) are elastic telescopic connection through second spring (25) and backup pad (1), and installation piece (24) outer wall is equipped with smooth pearl (23), smooth pearl (23) are roll connection with installation piece (24).

4. A downhole roadway roof supporting device according to claim 3, wherein: backup pad (1) inner wall is equipped with reinforcement piece (10), and reinforcement piece (10) are the triangle-shaped structure, reinforcement piece (10) side is equipped with lockplate (9), and lockplate (9) one end is equipped with pivot (20), lockplate (9) are the upset through pivot (20) and backup pad (1) and are connected, and lockplate (9) inner wall is equipped with supplementary lockplate (14), supplementary lockplate (14) outer wall is equipped with slider (15), and supplementary lockplate (14) are slip pull through slider (15) and lockplate (9) and are connected, lockplate (9) are the locking with backup pad (1) and are connected.

5. A downhole roadway roof supporting device according to claim 4, wherein: spread groove (16) have been seted up to backup pad (1) lower extreme, and spread groove (16) inner wall is equipped with connecting block (17), the connecting block (17) other end is connected with connecting rod (2), and connecting rod (2) outer wall is equipped with installation slot (6), installation slot (6) are connected with reinforcing block (10), and reinforcing block (10) are to alternate through installation slot (6) and connecting rod (2) and are connected, backup pad (1) is insertion fixed connection through spread groove (16), connecting block (17) and connecting rod (2), and backup pad (1) side is equipped with locking knob (18).

6. A downhole roadway roof supporting device according to claim 4, wherein: be equipped with fixing bolt (13) on supporting base (4), and fixing bolt (13) are triangle position distribution on supporting base (4), support base (4) side and be equipped with splice plate (11), and splice plate (11) both ends are equipped with concatenation inserted block (12), splice plate (11) are to insert through concatenation inserted block (12) and support base (4) and close the installation, and concatenation inserted block (12) are the bolt fastening through fixing bolt (13) and support base (4), be to insert through concatenation inserted block (12) between support base (4) and close the concatenation connection.