CN116624191A

CN116624191A - Roadway support structure

Info

Publication number: CN116624191A
Application number: CN202310613820.7A
Authority: CN
Inventors: 赵世宇
Original assignee: Northern Engineering and Technology Corp MCC
Current assignee: Northern Engineering and Technology Corp MCC
Priority date: 2023-05-29
Filing date: 2023-05-29
Publication date: 2023-08-22

Abstract

The invention relates to the field of roadway support, and provides a roadway support structure, which comprises: the device comprises a top plate, a first cross beam, a push-pull supporting structure, a peripheral supporting structure, supporting columns, inclined beams and a second cross beam, wherein the top plate is fixedly connected to the upper end of the push-pull supporting structure, the second cross beam is rotationally connected to the inner wall of the top plate, the push-pull supporting structure is fixedly connected to the inner side of the top plate, the bottom of the push-pull supporting structure is detachably connected with the peripheral supporting structure, and the supporting columns are fixedly connected to the bottoms of the two ends of the top plate; according to the invention, the supporting of the push-pull supporting structure by the external supporting structure and the supporting of the top plate by the push-pull supporting structure solve the problems of roof falling accidents and the like caused by the deviation of the supporting point of the structure to one side when the shed legs are disassembled at the bifurcation.

Description

Roadway support structure

Technical Field

The invention relates to the field of roadway support, in particular to a roadway support structure for roadway branches.

Background

Roof falling accidents at roadway intersections often occur when the roadway is bifurcated, because the bifurcation needs to erect a table shed to replace the original roadway shed legs, if the top of the roadway at the bifurcation exists in rock blocks with the rock bodies losing contact, surrounding rocks are extruded towards the roadway, the newly-erected table shed is insufficient in strength or stability, roof falling accidents can be caused, and if the bifurcation is just the roof falling position during tunneling, the situation is more serious.

The Chinese bulletin number is: CN114458345a, a roadway support structure, characterized by comprising: the number of the reinforced arc-shaped steel is two, the cross beams and the supporting columns are fixedly installed, and form a stable arch bridge structure, and the cross beams and the reinforced arc-shaped steel are matched and connected with roadway components, so that the stability of the structure is improved, and an emergency refuge area is formed; strengthen arc steel can possess the cushioning effect through seting up outer arc wall and side arc wall when being impacted, go up annular steel, lower annular steel and realize fixed mounting bottom plate upper surface department through the connecting seat to can fixed mounting supporting seat, and can support the crossbeam, overall structure is stable, effectively weakens the impact force that rock falls the production through network structure's protective layer, then makes the rock that falls roll off from tunnel both sides through the protection network. Although the above scheme utilizes the protection layer with the net structure to effectively weaken the impact force generated by rock falling, so that the rock rolls off from two sides of a roadway, the problem that roof fall accidents are caused by the fact that the structural support point is deviated to one side when the shed legs are detached at the split is not considered.

In summary, the present invention provides a roadway support structure to solve the above-mentioned problems.

Disclosure of Invention

In order to solve the technical problems, the invention provides a roadway support structure, which aims to solve the problems of roof falling accidents and the like caused by the fact that a structural support point is deviated to one side when a fork is arranged to detach a shed leg in the prior art.

In order to achieve the above purpose, the technical scheme of the invention is as follows:

a roadway support structure comprising:

the sliding support structure is characterized in that the upper end of the sliding support structure is fixedly connected with a top plate, the fixed connection is preferably welded, the inner wall of the top plate is rotationally connected with a second cross beam, the top of the second cross beam is fixedly connected with a cross plate, the fixed connection is preferably riveted, the top of the cross plate is fixedly connected with a telescopic link, the outer wall of the telescopic link is provided with a spring, the sliding support structure comprises a fixing piece, one side of the fixing piece is rotationally connected with a rotating beam, the center position of the fixing piece is rotationally connected with a first threaded rod, the bottom of the first threaded rod is fixedly connected with a fixing block, and the fixed connection is preferably welded;

the utility model provides a peripheral hardware bearing structure, including unable adjustment base in the peripheral hardware bearing structure, unable adjustment base top is through many stand fixedly connected with bottom plate, the preferential welding of fixed connection, bottom plate bottom fixedly connected with motor, the drive shaft fixedly connected with No. two threaded rods of motor, no. two threaded rod top fixedly connected with hexagonal external member, no. two threaded rod outer wall rotation is connected with the loop bar, loop bar outer wall sliding connection has the structural shell, structural shell top fixedly connected with joint sleeve, the preferential welding of fixedly connected with.

Preferably, the support column is detachably connected with the roof bottom, rotate on the support column and be connected with the threaded rod No. three, support column inner wall fixedly connected with sloping, the one end fixedly connected with crossbeam No. one that the support column was kept away from to the sloping, fixed connection prefers the welding.

Preferably, the first crossbeam of roof inner wall fixed connection, roof inner wall rotates and connects No. two crossbeams, no. one crossbeam and No. two crossbeam array arrangements are on roof inner wall, no. two crossbeams are the preferred steel construction material.

Preferably, the whole square body that is of mounting, including the little square body of fillet in the mounting, little square body central point puts fixedly connected with connecting rod of fillet, connecting rod both ends fixedly connected with slice square body, the mounting comprises little square body of fillet, connecting rod and slice square body three interconnect, the preferred hardness of mounting is higher metal material.

Preferably, a square notch is formed in the middle of the second cross beam to enable the second cross beam to be broken, and the width of the square notch is equal to the width of the inner wall of the fixing piece.

Preferably, the fixed block is in a regular hexagon block shape, the length of the inner wall edge of the hexagonal sleeve is equal to that of the outer wall edge of the fixed block, and the fixed block is preferably made of metal.

Preferably, a square groove is formed in the top of the connecting sleeve, and the length and width of the square groove are equal to those of the bottom surface of the fixing piece.

Preferably, the sliding rod is slidably connected inside the second threaded rod, the disc is fixedly connected to the top of the sliding rod, the fixed connection is preferably welded, the sleeve rod is sleeved outside the second threaded rod, the diameter of the outer wall of the disc is larger than that of the outer wall of the sleeve rod, the sliding rod and the disc at the upper end of the second threaded rod are fixedly connected to the bottom of the hexagonal sleeve through the hole-penetrating connecting sleeve, and the fixed connection is preferably welded.

Preferably, the top plate and the transverse plate are provided with round threaded holes with the diameter equal to that of the first threaded rod, and the round threads correspond to the threads of the second threaded rod.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the connecting sleeve is aligned with the bottom of the fixing piece, the second threaded rod drives the loop bar to rotate with the hexagonal sleeve piece under the drive of the motor, the hexagonal sleeve piece drives the first threaded rod to rotate upwards, the loop bar is driven to rotate upwards by the rotation of the second threaded rod, the fixing piece is pushed upwards, the second cross beam is pushed upwards by the rotating beam when the fixing piece moves upwards to pass through the square notch in the middle position of the second cross beam, the transverse plate is pushed upwards, the telescopic rod is contracted, the spring is tightened until the telescopic rod reaches the limit position, and a pushing force is gradually formed on two sides of the top plate in the process of upward rotation of the rotating beams on two sides of the fixing piece, so that the stability and the supporting capability of supporting are enhanced.

2. According to the invention, the external supporting structure is aligned with and sleeved with the fixing pieces in the push-pull supporting structure, and then the external supporting structure stretches to firmly prop against the top plate, so that the supporting column is kept in an elastic state, the stress of the supporting column is reduced, the pressure of the position of the fork is shared, and the problem that the structural supporting point deflects to one side to cause roof falling accidents when the fork is opened to detach the shed legs is solved.

Drawings

FIG. 1 is an overall perspective view of a roadway support structure of the present invention;

FIG. 2 is a perspective view of the structure of the roadway support structure of the present invention;

FIG. 3 is a perspective view of a push-pull support structure of the roadway support structure of the present invention;

FIG. 4 is a perspective view of a roadway support structure fixed support structure of the present invention;

FIG. 5 is a perspective view of a peripheral support structure of the roadway support structure of the present invention;

FIG. 6 is a detail view of the peripheral support structure of the roadway support structure of the present invention;

FIG. 7 is a split view of the peripheral support structure of the roadway support structure of the present invention;

FIG. 8 is a perspective view of the push-pull support structure of the roadway support structure of the present invention engaged with a peripheral support structure;

FIG. 9 is a detailed view of the construction of the push-pull rod of the tunnel supporting structure of the present invention;

in the figure:

1. surrounding rock;

2. a top plate; 21. a first cross beam;

3. a push-pull support structure; 31. a fixing member; 32. a rotating beam; 33. a fixed block; 34. a first threaded rod; 35. a cross plate; 36. a telescopic rod; 37. a spring; 38, a step of carrying out the process; a second cross beam;

4. a peripheral support structure; 41. a fixed base; 42. a bottom plate; 43. a motor; 44. a loop bar; 45. a connecting sleeve; 46. a second threaded rod; 47. a hexagonal sleeve; 48. a structural shell;

5. a support column; 51. a third threaded rod; 52. and (5) an oblique beam.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.

The invention provides a roadway support structure, which comprises:

the push-pull support structure 3, push-pull support structure 3 upper end fixedly connected with roof 2, roof 2 inner wall rotates and is connected with No. two crossbeams 38, no. two crossbeam 38 top fixedly connected with diaphragm 35, diaphragm 35 top fixedly connected with telescopic link 36, the telescopic link 36 outer wall is equipped with spring 37, including mounting 31 in the push-pull support structure 3, mounting 31 one side rotates and is connected with rotary beam 32, mounting 31 central point puts and rotates and is connected with threaded rod 34 No. one, threaded rod 34 bottom fixedly connected with fixed block 33, under driving threaded rod 34 rotation through peripheral support structure 4, mounting 31 upwards moves No. two crossbeam 38 departments, and rotary beam 32 also anticlockwise upwards rotates simultaneously, and then rotary beam 32 promotes No. two crossbeam 38 upwards anticlockwise rotation and upwards promotes diaphragm 35 upwards;

the external supporting structure 4 is arranged, the external supporting structure 4 comprises a fixed base 41, the top of the fixed base 41 is fixedly connected with a bottom plate 42 through a plurality of upright posts, the bottom of the bottom plate 42 is fixedly connected with a motor 43, a driving shaft of the motor 43 is fixedly connected with a second threaded rod 46, the top of the second threaded rod 46 is fixedly connected with a hexagonal sleeve 47, the outer wall of the second threaded rod 46 is rotationally connected with a sleeve rod 44, the outer wall of the sleeve rod 44 is slidingly connected with a structural shell 48, the top of the structural shell 48 is fixedly connected with a connecting sleeve 45, the bottom of the bottom plate 42 is driven by the motor 43 to rotate, the sleeve rod 44 is driven to move upwards by the rotation of the second threaded rod 46, and the rotation of the second threaded rod 44 simultaneously drives the hexagonal sleeve 47 to rotate;

as an embodiment of the present invention: the bottom of the top plate 2 is detachably connected with a support column 5, a third threaded rod 51 is rotatably connected to the support column 5, an inclined beam 52 is fixedly connected to the inner wall of the support column 5, a first cross beam 21 is fixedly connected to one end, away from the support column 5, of the inclined beam 52, as shown in fig. 4, a stable structure is shown, the inclined beam 52 is used for reinforcing stability, and the third threaded rod 51 is fixed into the surrounding rock 1;

as an embodiment of the present invention: the inner wall of the top plate 2 is fixedly connected with a first cross beam 21, the inner wall of the top plate 2 is rotationally connected with a second cross beam 38, and the first cross beam 21 and the second cross beam 38 are arranged on the inner wall of the top plate (2) in an array manner, so that the stability of the whole structure can be enhanced;

as an embodiment of the present invention: the fixing piece 31 is a square body integrally, the fixing piece 31 comprises a small round corner square body, a connecting rod is fixedly connected to the center of the small round corner square body, sheet-shaped square bodies are fixedly connected to two ends of the connecting rod, the fixing piece 31 is formed by connecting the small round corner square body, the connecting rod and the sheet-shaped square bodies, a part of the space between the connecting rod and the sheet-shaped square bodies is used as a rotating space for the rotating beam 32, and the rotating beam 32 is not blocked when rotating upwards anticlockwise to the bottom of the transverse plate 35;

as an embodiment of the present invention: a square notch is formed in the middle of the second cross beam 38 to enable the second cross beam 38 to be broken, the width of the square notch is equal to the width of the inner wall of the fixing piece 31, and the fixing piece 31 can pass through the middle square notch when moving upwards until the bottom of the cross plate 35 pushes the cross plate 35;

as an embodiment of the present invention: the fixed block 33 is in a regular hexagonal block shape, and the inner wall edges of the hexagonal sleeve 47 are longer than the outer wall edges of the fixed block 33 by the same length, so that the hexagonal sleeve 47 can just wrap the fixed block 33, the hexagonal sleeve 47 rotates when the sleeve rod 44 drives the fixed block 33 to rotate, and meanwhile, the hexagonal sleeve 47 drives the fixed block 33 to rotate under the rotation of the hexagonal sleeve 47 so as to enable the first threaded rod 34 to rotate;

as an embodiment of the present invention: the top of the connecting sleeve 45 is provided with a square groove, the length and width of the square groove are equal to the length and width of the bottom surface of the fixing piece 31, and the fixing piece 31 can be just placed into the square groove at the top of the connecting sleeve 45;

as an embodiment of the present invention: the inside sliding connection of No. two threaded rods 46 has the slide bar, slide bar top fixedly connected with disc, the loop bar 44 cover is established in No. two threaded rods 46 outside, disc outer wall diameter is greater than loop bar 44 outer wall diameter, no. two threaded rods 46 upper end slide bar and disc pass through the tunnel and wear the joint cover 45 fixed connection in hexagonal external member 47 bottom, no. two threaded rods 46 drive loop bar 44 to reciprocate simultaneously under the drive of motor, no. two threaded rods 46 drive hexagonal external member 47 rotation simultaneously under the rotation of No. two threaded rods 46, jack up the disc and cause No. two threaded rods 46 to upwards extend when loop bar 44 moves up to the disc bottom, no. two threaded rods 46 extend and loop bar 44 upwards move drive the joint cover 45 to reciprocate;

as an embodiment of the present invention: circular threaded holes with the same diameter as the first threaded rod 34 are formed in the top plate 2 and the transverse plate 35, the first threaded rod 34 penetrates through the top plate 2 and the transverse plate 35, and the first threaded rod 34 is rotated in the circular threaded holes to deeply fix the whole structure to the top surrounding rock 1.

The specific working principle is as follows:

as shown in fig. 3-9, during installation, by aligning the engagement sleeve 45 in the peripheral support structure 4 with the bottom of the fixing member 31, sleeving and connecting the hexagonal sleeve 47 with the fixing block 33, then driving the second threaded rod 46 to rotate under the driving of the motor 43, driving the hexagonal sleeve 47 to rotate, moving the sleeve rod 44 upwards under the rotation of the second threaded rod 46, when the sleeve rod 44 moves to the disc at the top of the second threaded rod 46, pushing the sliding rod in the second threaded rod 46 upwards, simultaneously, the extension of the second threaded rod 46 drives the engagement sleeve 45 to move upwards to push the fixing member 31, then after the rotating beam 32 slides outwards for a small part, as the fixing member 31 moves upwards through the square notch at the middle position of the second cross beam 38, the top of the rotating beam 32 is attached to the bottom of the second cross beam 38, continuing to push the fixing member 31 upwards, the rotating beam 32 pushes the second cross beam 38 upwards so as to push the cross beam 35 upwards, along with the upward rotation of the second cross beams 38 at two sides, the square notch in the middle of the second cross beam 38 at two sides is gradually increased, the telescopic rod 36 is contracted, the spring 37 is tightened until reaching the limit position to stop, at the moment, the square notch in the middle of the second cross beam 38 is opened to be slightly larger than the width of the cross beam 35 to clamp the cross beam 35 in the middle, meanwhile, the fixing piece 31 penetrating through the square notch in the middle of the second cross beam 38 is positioned at the bottom of the cross beam 35 and supports the upper structure and the top plate 2 together with the rotating beam 32, a supporting force is gradually formed on two sides of the top plate 2 in the process that the rotating beams 32 at two sides of the fixing piece 31 rotate upwards, and the top of the inclined second cross beam 38 is propped against two sides of the top plate 2 and is fixed by the rotating beam 32 to form a supporting force on two sides of the top plate;

when a new branch is formed, part of the supporting columns 5 need to be dismantled, the pressure born by the whole structure after the supporting column is partly dismantled can be supported by the part of the supporting columns 5 which is not dismantled, the supporting columns are firmly supported against the top plate 2 along with the extension of the peripheral supporting structure 4, and simultaneously, the rotating beams 32 at the top of the peripheral supporting structure 4 and the inclined second cross beams 38 form supporting force for the two sides and the top of the top plate 2, so that the stress of the supporting column 5 at one side which is not dismantled is reduced and is distributed on the peripheral supporting structure 4 and other positions of the top plate 2, thereby preventing the supporting points from shifting towards the side where the supporting columns 5 are reserved, and reducing roof fall accidents.

While embodiments of the present invention have been shown and described above for purposes of illustration and description, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives, and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims

1. A roadway support structure, comprising:

push-and-pull bearing structure (3), push-and-pull bearing structure (3) upper end fixedly connected with roof (2), roof (2) inner wall rotation is connected with No. two crossbeams (38), no. two crossbeam (38) top fixedly connected with diaphragm (35), diaphragm (35) top fixedly connected with telescopic link (36), telescopic link (36) outer wall is equipped with spring (37), including mounting (31) in push-and-pull bearing structure (3), mounting (31) one side rotation is connected with dwang (32), mounting (31) central point puts and rotates and be connected with threaded rod (34) No. one, threaded rod (34) bottom fixedly connected with fixed block (33);

peripheral hardware bearing structure (4), including unable adjustment base (41) in peripheral hardware bearing structure (4), unable adjustment base (41) top is through many stand fixedly connected with bottom plate (42), bottom plate (42) bottom fixedly connected with motor (43), the drive shaft fixedly connected with threaded rod (46) No. two of motor (43), threaded rod (46) top fixedly connected with hexagonal external member (47) No. two, threaded rod (46) outer wall rotation is connected with loop bar (44) No. two, loop bar (44) outer wall sliding connection has structural shell (48), structural shell (48) top fixedly connected with linking cover (45).

2. A roadway support structure as claimed in claim 1, wherein: the novel lifting device is characterized in that a support column (5) is detachably connected to the bottom of the top plate (2), a third threaded rod (51) is rotatably connected to the support column (5), an inclined beam (52) is fixedly connected to the inner wall of the support column (5), and a first cross beam (21) is fixedly connected to one end, far away from the support column (5), of the inclined beam (52).

3. A roadway support structure as claimed in claim 1, wherein: the novel structure is characterized in that a first cross beam (21) is fixedly connected to the inner wall of the top plate (2), a second cross beam (38) is rotatably connected to the inner wall of the top plate (2), and the first cross beam (21) and the second cross beam (38) are arranged on the inner wall of the top plate (2) in an array mode.

4. A roadway support structure as claimed in claim 1, wherein: the fixing piece (31) is integrally square, the fixing piece (31) comprises a small round corner square body, a connecting rod is fixedly connected to the center of the small round corner square body, sheet-shaped square bodies are fixedly connected to the two ends of the connecting rod, and the fixing piece (31) is formed by connecting the small round corner square body, the connecting rod and the sheet-shaped square bodies.

5. A roadway support structure as claimed in claim 3, wherein: a square notch is formed in the middle of the second cross beam (38) so that the second cross beam (38) is disconnected, and the width of the square notch is equal to the width of the inner wall of the fixing piece (31).

6. A roadway support structure as claimed in claim 1, wherein: the fixed block (33) is in a regular hexagon block shape, and the length of the inner wall edge of the hexagonal sleeve (47) is equal to that of the outer wall edge of the fixed block (33).

7. A roadway support structure as claimed in claim 1, wherein: the top of the connecting sleeve (45) is provided with a square groove, and the length and width of the square groove are equal to those of the bottom surface of the fixing piece (31).

8. A roadway support structure as claimed in claim 1, wherein: the inside sliding connection of threaded rod No. two (46) has the slide bar, slide bar top fixedly connected with disc, loop bar (44) cover is established in threaded rod No. two (46) outside, disc outer wall diameter is greater than loop bar (44) outer wall diameter, slide bar and disc in threaded rod No. two (46) upper end pass through the hole and wear joint cover (45) fixed connection in hexagonal external member (47) bottom.

9. A roadway support structure as claimed in claim 1, wherein: circular threaded holes with the diameter equal to that of the first threaded rod (34) are formed in the top plate (2) and the transverse plate (35).