CN215486095U

CN215486095U - Ultra-thin roof roadway roof supporting component under goaf

Info

Publication number: CN215486095U
Application number: CN202121986661.8U
Authority: CN
Inventors: 闫志恒; 宣文举
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-01-11
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a supporting component for a top plate of an ultra-thin top plate roadway under a goaf, and belongs to the field of roadway supporting in the coal mining process. The utility model provides a component is strutted to ultra-thin roof tunnel roof under collecting space area, includes the main tributary fagging, the main tributary fagging left and right sides is equipped with the collateral branch fagging, both ends face is fixed with the picture peg of pegging graft with two collateral branch faggings about the main tributary fagging, collateral branch fagging lower extreme is equipped with the locating lever of upwards pegging graft, the threaded rod is installed in the rotation of main tributary fagging lower extreme, the threaded rod periphery is rotated and is installed the thread block, rotate between thread block and the collateral branch fagging and install the bracing piece. The utility model can expand the supporting range of the supporting plate, so that the supporting plate is suitable for roadways with different widths.

Description

Ultra-thin roof roadway roof supporting component under goaf

Technical Field

The utility model relates to the field of roadway support in the coal mining process, in particular to a roadway top plate support member with an extremely thin top plate under a goaf.

Background

Generally, when underground coal mining is carried out in a coal mine, a plurality of coal seams are mined from top to bottom, and if the distance between two coal seams is extremely small, a lower coal seam roadway is positioned below an upper goaf and an extremely thin roof after an upper coal seam is mined. In the working and stoping process of the lower coal seam, the roof rock stratum has the periodic pressure, the roadway mine pressure is severely displayed by the periodic pressure, the deformation of the roadway surrounding rock is greatly increased, and the roof fall accident is easily caused. Therefore, how to effectively support the ultra-thin roof roadway under the goaf is a key link for realizing coal mine safety production. Under the condition of the prior art, an ultra-thin roof roadway under a goaf is mainly supported by a channel steel shed matched with an anchor rod and an anchor rope. The disadvantages of this support are: the channel steel shed belongs to rigid support, when the top plate is pressed for a period, the deformation of surrounding rocks of the tunnel is increased rapidly, the channel steel shed cannot give way, the top beam of the channel steel shed can be bent, and the two sides of the tunnel can be deformed, shed legs can be deformed, and the support effect is lost; in addition, the channel steel shed is heavy and complex to install, so that the labor intensity of support workers is high, and the support efficiency is low. Therefore, it is necessary to design a more effective supporting member for the ultra-thin roof roadway under the gob.

Patent document CN212927897U discloses in the prior art provides a support member for the top plate of an ultra-thin roof roadway under a gob; the device has buffer through setting up the supporting member, and when the tunnel comes to press, when the surrounding rock pressure exceeded the pressure release threshold value that the hydro-cylinder set for, the pressure release valve opened the pressure release, can carry out the constant resistance to the tunnel and let the pressure, can avoid supporting the member like this and be destroyed and become invalid, guarantees simultaneously that the tunnel surrounding rock can not take place the large deformation and the unstability.

Although the device has more beneficial effects, the following problems still exist: the supporting member structure of the device is fixed, so that the form of the supporting member structure is difficult to adjust, the supporting member structure cannot be suitable for roadways with different widths, and the use performance of the device is undoubtedly reduced. In view of the above, we propose a support member for the top plate of the ultra-thin roof roadway under the goaf.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

The utility model aims to provide a supporting component for a top plate of an ultrathin roof roadway under a goaf, so as to solve the problems in the background technology.

2. Technical scheme

The utility model provides a component is strutted to ultra-thin roof tunnel roof under collecting space area, includes the main tributary fagging, the main tributary fagging left and right sides is equipped with the collateral branch fagging, both ends face is fixed with the picture peg of pegging graft with two collateral branch faggings about the main tributary fagging, collateral branch fagging lower extreme is equipped with the locating lever of upwards pegging graft, the threaded rod is installed in the rotation of main tributary fagging lower extreme, the threaded rod periphery is rotated and is installed the thread block, rotate between thread block and the collateral branch fagging and install the bracing piece.

Preferably, the main tributary fagging lower extreme rotates and installs and rotates the hole, the threaded rod upper end is fixed with the turning block who rotates the hole and rotate and be connected.

Preferably, the lower ends of the two side supporting plates and the left and right ends of the thread block are fixed with rotating seats which are rotatably connected with the supporting rod.

Preferably, two the collateral branch backup pad is in opposite directions the terminal surface and is seted up the chamber of inserting with the picture peg grafting, the terminal surface is seted up the screw hole of being connected with the locating lever rotation about inserting the chamber, the picture peg terminal surface is seted up the waist type groove that matches with the locating lever.

Preferably, a rotating handle is fixed at the lower end of the threaded rod, positioning sleeves are fixed on the rotating handle and the front sides of the threaded blocks, and positioning insertion rods are inserted into the two positioning sleeves.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1. according to the utility model, the threaded rod is rotated to drive the threaded block to move upwards, and the support rods are used for outwards supporting the side support plates on the left side and the right side of the main support plate, so that the support area of the device is expanded, the device can be suitable for roadways with different widths, and the service performance of the device is improved.

2. According to the utility model, the movement direction of the side supporting plate is limited through the inserting plate and the inserting cavity, so that the side supporting plate and the main supporting plate are stably connected, the device and the top plate can be fixedly connected through the positioning rod, the position of the threaded rod can be fixed through the positioning inserting rod, the rotation of the threaded rod is limited, and the fixing effect of the device is ensured.

Drawings

FIG. 1 is a schematic view of the overall external structure of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the main supporting plate of the present invention;

FIG. 4 is a schematic view of the side support plate of the present invention with its interior disassembled;

FIG. 5 is a schematic view of the external structure of the threaded rod of the present invention;

FIG. 6 is a schematic view of the threaded rod of the present invention in an external disassembled configuration;

the reference numbers in the figures illustrate: 1. a main supporting plate; 2. side supporting plates; 3. positioning a rod; 4. a threaded rod; 5. a support bar; 6. a thread block; 7. inserting plates; 8. a waist-shaped groove; 9. inserting a cavity; 10. a threaded hole; 12. rotating the block; 13. a positioning sleeve; 14. a rotating seat; 15. positioning the inserted rod; 16. rotating the hole; 17. the handle is rotated.

Detailed Description

Referring to fig. 1-6, the present invention provides a technical solution:

the utility model provides a component is strutted to ultra-thin roof tunnel roof under collecting space area, includes main tributary fagging 1, and the 1 left and right sides of main tributary fagging is equipped with collateral branch fagging 2, and both ends face is fixed with picture peg 7 of pegging graft with two collateral branch faggings 2 about main tributary fagging 1, and 2 lower extremes of collateral branch fagging are equipped with the locating lever 3 of upwards pegging graft, and threaded rod 4 is installed in 1 lower extreme rotation of main tributary fagging, and threaded rod 6 is installed in 4 peripheral rotations of threaded rod, rotates between threaded rod 6 and the collateral branch fagging 2 and installs bracing piece 5.

Specifically, the lower end of the main support plate 1 is rotatably provided with a rotating hole 16, and the upper end of the threaded rod 4 is fixedly provided with a rotating block 12 which is rotatably connected with the rotating hole 16; the direction of movement of the threaded rod 4 is limited so that it can only be rotated.

Further, the lower ends of the two side supporting plates 2 and the left and right ends of the thread block 6 are fixed with rotating seats 14 which are rotatably connected with the supporting rod 5; the rotating seat 14 is provided so that the screw block 6 can push the both side supporting plates 2 to move through the supporting rod 5.

Furthermore, the opposite end surfaces of the two side supporting plates 2 are provided with inserting cavities 9 inserted with the inserting plates 7, the upper end surface and the lower end surface of each inserting cavity 9 are provided with threaded holes 10 rotatably connected with the positioning rods 3, and the end surface of each inserting plate 7 is provided with a waist-shaped groove 8 matched with the positioning rods 3; the direction of movement of the side support plate 2 is restricted so that it can move only laterally.

Furthermore, a rotating handle 17 is fixed at the lower end of the threaded rod 4, positioning sleeves 13 are fixed on the rotating handle 17 and the front sides of the threaded blocks 6, and positioning insertion rods 15 are inserted into the two positioning sleeves 13; by positioning the insert rod 15, the turning knob 17 can be fixed to the screw block 6, thereby restricting the turning of the screw rod 4.

The working principle is as follows: when in use, the device is arranged at the upper side of a roadway at a position to be installed, the lower end of the main support plate 1 is rotated to drive the threaded rod 4 to rotate, the rotated threaded rod 4 drives the threaded block 6 to move upwards under the limitation of the lateral support plate 2 to the moving direction of the support rod 5, the left lateral support plate 2 and the right lateral support plate 2 of the main support plate 1 are simultaneously supported outwards through the rotating seat 14 and the support rod 5, so that the supporting parts of the device are expanded, the device is arranged at the upper side of the roadway through the original device oil cylinder and the base, the positioning insertion rod 15 is inserted into the positioning sleeve 13 at the front side of the rotated handle 17 and the threaded block 6, the threaded rod 4 is fixed, the threaded rod 4 is limited to rotate, so that the whole device is fixed, the original device top plate is arranged at the upper side of the device, each positioning rod 3 is inserted into the lateral support plate 2 from the lower side upwards through the threaded hole 10, the positioning rod 3 passes through the inserting plate 7 through the waist-shaped groove 8, so that the side supporting plate 2 is fixedly connected with the top plate, and the installation of the device is completed.

Claims

1. The utility model provides an extremely thin roof tunnel roof supporting member under collecting space area, includes main tributary fagging (1), its characterized in that: the utility model discloses a supporting rod, including main tributary fagging (1), both ends face is fixed with picture peg (7) of pegging graft with two collateral branch faggings (2) about main tributary fagging (1), collateral branch fagging (2) lower extreme is equipped with locating lever (3) of upwards pegging graft, threaded rod (4) are installed in main tributary fagging (1) lower extreme rotation, threaded rod (4) periphery is rotated and is installed thread piece (6), rotate between thread piece (6) and collateral branch fagging (2) and install bracing piece (5).

2. The ultra-thin roof roadway roof supporting member under a gob according to claim 1, characterized in that: the lower end of the main support plate (1) is rotatably provided with a rotating hole (16), and the upper end of the threaded rod (4) is fixedly provided with a rotating block (12) which is rotatably connected with the rotating hole (16).

3. The ultra-thin roof roadway roof supporting member under a gob according to claim 1, characterized in that: and rotating seats (14) rotatably connected with the supporting rod (5) are fixed at the lower ends of the two side supporting plates (2) and the left end and the right end of the thread block (6).

4. The ultra-thin roof roadway roof supporting member under a gob according to claim 1, characterized in that: two collateral branch fagging (2) relative end face sets up inserts chamber (9) of pegging graft with picture peg (7), the terminal surface sets up screw hole (10) of being connected with locating lever (3) rotation about inserting chamber (9), waist type groove (8) that match with locating lever (3) are seted up to picture peg (7) terminal surface.

5. The ultra-thin roof roadway roof supporting member under a gob according to claim 1, characterized in that: the threaded rod (4) lower extreme is fixed with rotates handle (17), it is fixed with location sleeve (13) to rotate handle (17) and screw thread piece (6) front side, two location inserted bar (15) have been pegged graft in location sleeve (13).