Combined supporting structure for tunnel supporting

Abstract

The utility model relates to the technical field of tunnel supporting, and discloses a combined type supporting structure for tunnel supporting, which comprises a supporting structure, the supporting structure comprises a protective frame, inner plates which are symmetrically arranged are arranged in the protective frame, a rotary threaded column is rotatably connected between the inner plates on two sides, an inner motor is further arranged on the inner plate on one side, and an outer motor is further arranged on the inner plate on the other side. An output shaft of the inner motor is connected with a rotating threaded column through a coupler, a movable block is in threaded connection with the rotating threaded column, the top of the protection frame is slidably connected with an electric telescopic sleeve rod by forming a sliding groove, the bottom of the electric telescopic sleeve rod is connected with the movable block, and a derivative plate is arranged at the top of the electric telescopic sleeve rod; the derivative plate is in threaded connection with a stabilizing bolt; by arranging the inner motor, the rotary threaded column, the movable block and the electric telescopic loop bar lamp structure, the supporting height and the supporting position of the supporting device can be automatically adjusted, and the supporting device has the advantages of being easy to operate, short in needed construction time and capable of improving construction efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to a combined support structure for tunnel support belongs to the technical field of tunnel support. BACKGROUND

[0002] Tunnel support refers to the engineering measures taken to ensure safety during tunnel construction and operation, maintain the stability of the surrounding rock of the tunnel, and prevent deformation and collapse of the surrounding rock. Tunnel support not only prevents rock and soil collapse during construction, protecting construction personnel from injury from falling rocks and landslides, but also withstands various loads such as ground pressure and groundwater pressure, preventing tunnel deformation and cracking to ensure that the tunnel shape meets design requirements and can be used stably for a long time. Good tunnel support also creates favorable conditions for subsequent internal construction, such as installing drainage and ventilation systems, so a stable tunnel environment is essential.

[0003] Currently, the common support structure for supporting the tunnel top structure is mostly a combined support structure. The combined support structure refers to the combination of two or more different types of support methods to fully utilize the advantages of various support methods. It has the characteristics of good support effect and stable support, and can be well applied to the support of tunnel top structure. However, when this type of combined support structure is used to support structures at different positions in the tunnel, the working parts inside the combined support structure need to be adjusted accordingly. It cannot automatically adjust its support height and position, which makes the operation more troublesome and requires a longer construction time. SUMMARY

[0004] To solve the above problems existing in the prior art, the utility model provides a combined support structure for tunnel support.

[0005] The technical scheme of the utility model is as follows:

[0006] A combined support structure for tunnel support, comprising a support structure, the support mechanism includes a protective frame, the inside of the protective frame is provided with symmetrically arranged inner plates, a rotating threaded column is rotatably connected between the two inner plates, an inner motor is further provided on one side of the inner plate, the output shaft of the inner motor is connected with the rotating threaded column through a shaft coupling, a movable block is threadedly connected to the rotating threaded column, a sliding slot is formed in the top of the protective frame, and an electric telescopic sleeve rod is slidingly connected to the top of the protective frame, the bottom of the electric telescopic sleeve rod is connected with the movable block, a derivative plate is provided on the top of the electric telescopic sleeve rod, and a stabilizing bolt is threadedly connected to the derivative plate.

[0007] Among them, a limiting long column is further arranged between the two inner plates, the arrangement direction of the limiting long column is adaptively arranged with the arrangement direction of the rotating threaded column, and the limiting long column is movably arranged through the movable block.

[0008] The supporting structure further comprises a moving mechanism, the moving mechanism comprises a lifting cylinder arranged in the interior of the protective frame, a piston part of the lifting cylinder is arranged vertically downward, and a movable wheel is arranged on the piston part of the lifting cylinder.

[0009] One side wall of the protective frame is connected with a side plate through a side bolt, a traction plate is arranged on the side plate, and a traction bolt is movably arranged on the traction plate.

[0010] The supporting mechanism further comprises a stabilizing mechanism, the stabilizing mechanism comprises a combination plate arranged on the side wall of the protective frame, a bottom plate is arranged at the bottom of the protective frame, the combination plate is connected with the bottom plate through a combination bolt, and a fixing button is further arranged on the bottom plate.

[0011] The piston part of the lifting cylinder and the movable wheel are movably arranged through the bottom plate.

[0012] The supporting structure has the following beneficial effects:

[0013] When the supporting position and the supporting height need to be adjusted, the inner motor is controlled to start working, the rotation of the output shaft of the inner motor can drive the rotating threaded column to rotate, so that the movable block can move along the rotating threaded column, the position of the electric telescopic sleeve rod can be adjusted, the electric telescopic sleeve rod can reach the required position, then the electric telescopic sleeve rod is controlled to start working, the electric telescopic sleeve rod reaches the appropriate height through self-telescoping, at this time, the derived plate and the structure to be supported outside, such as an anchor plate, can be locked by using the stabilizing bolt, compared with the prior art, when the structures at different positions in the tunnel are supported, the working parts of the combined supporting structure do not need to be adjusted as a whole, the supporting height and the supporting position of the supporting structure can be automatically adjusted, and the supporting structure has the advantages of simple operation, short construction time and improved construction efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a perspective view of the utility model;

[0015] Fig. 2 It is a structure schematic view of the rear view angle of the utility model;

[0016] Fig. 3 It is a structure schematic view of the bottom view angle of the utility model;

[0017] Fig. 4 It is a structure schematic view of the top view angle of the utility model;

[0018] Fig. 5 It is a sectional view of the utility model.

[0019] The reference signs in the drawings represent:

[0020] 1, support mechanism; 101, protective frame; 102, inner plate; 103, inner motor; 104, rotating threaded column; 105, movable block; 106, limiting long column; 107, electric telescopic sleeve rod; 108, derivative plate; 109, stabilizing bolt;

[0021] 2, moving mechanism; 201, lifting inner column; 202, movable wheel; 203, side bolt; 204, side plate; 205, traction plate; 206, traction bolt;

[0022] 3, stabilizing mechanism; 301, combined plate; 302, combined bolt; 303, bottom plate; 304, fixed nail buckle. DETAILED DESCRIPTION

[0023] The utility model will be explained in detail below in combination with the drawings and specific embodiments.

[0024] Embodiment: please refer to Figs. 1-5 , the embodiment provides a combined support structure for tunnel support, including support structure 1, support mechanism 1 includes protective frame 101, and the bottom of protective frame 101 is open type structure arrangement, and the inside of protective frame 101 is equipped with the inner plate 102 of symmetrical arrangement, and rotating threaded column 104 is rotationally connected between two side inner plates 102, and the left side wall on the left side inner plate 102 is also fixedly provided with inner motor 103, and the output shaft of inner motor 103 is fixedly connected with rotating threaded column 104 through coupling, and inner motor 103 can drive rotating threaded column 104 to rotate between two side inner plates 102 when starting work.Rotating threaded column 104 is screw-connected with movable block 105, and movable block 105 can move along the direction of rotating threaded column 104 in the direction of rotating threaded column 104 when rotating threaded column 104 rotates according to the direction of rotating threaded column 104.The top of protective frame 101 is slidably connected with electric telescopic sleeve rod 107 by setting sliding chute, and the piston portion of electric telescopic sleeve rod 107 is vertically upwards, and the sliding direction of electric telescopic sleeve rod 107 on the top of protective frame 101 is adaptively arranged with the layout direction of rotating threaded column 104, and the bottom of electric telescopic sleeve rod 107 is connected with movable block 105, so that movable block 105 can drive electric telescopic sleeve rod 107 to move correspondingly when movable block 105 moves, and the piston portion of electric telescopic sleeve rod 107 is fixedly provided with derivative plate 108 of symmetrical arrangement, and both sides derivative plate 108 are screw-connected with stabilizing bolt 109.

[0025] Through the foregoing arrangement, when the support position and the support height need to be adjusted, the staff controls the inner motor 103 to start working. After the inner motor 103 works, the rotation of the output shaft thereof can drive the rotation of the rotating threaded column 104. After the rotating threaded column 104 rotates, the movable block 105 can be moved along the rotating threaded column 104, so as to adjust the position of the electric telescopic sleeve rod 107, so that the electric telescopic sleeve rod 107 can reach the required position. After the electric telescopic sleeve rod 107 reaches the required position, the staff controls the electric telescopic sleeve rod 107 to start working. The electric telescopic sleeve rod 107 reaches the appropriate height by itself. At this time, the staff can lock the derived plate 108 with the structure outside the tunnel, such as the anchor plate at the top of the tunnel, by using the stabilizing bolt 109. At this time, the adjustment of the support position and the support height is completed.

[0026] To ensure the stability of the movement of the movable block 105, in the embodiment, a limiting long column 106 is fixedly arranged between the two inner plates 102. The arrangement direction of the limiting long column 106 is adaptively arranged with the arrangement direction of the rotating threaded column 104. The limiting long column 106 is movably arranged through the movable block 105. Through the foregoing arrangement, the arrangement of the limiting long column 106 makes the movable block 105 only move along the rotating threaded column 104 and the limiting long column 106, so that the movable block 105 is not easy to deviate when moving under the rotation of the rotating threaded column 104, so as to ensure the stability of the movement of the movable block 105.

[0027] To facilitate the use of the staff, in the embodiment, the support structure further comprises a moving mechanism 2. The moving mechanism 2 comprises lifting cylinders 201 which are symmetrically fixedly arranged inside the protective frame 101. The piston portions of the two lifting cylinders 201 are vertically downwardly arranged. The piston portions of the two lifting cylinders 201 are symmetrically provided with movable wheels 202. The right side wall of the protective frame 101 is further connected with the left side end of a side plate 204 through a side bolt 203. The right side end of the side plate 204 is fixedly provided with the rear side end of a traction plate 205. The front side end of the traction plate 205 is movably provided with a traction bolt 206. Through the foregoing arrangement, when the whole support structure needs to be moved, the staff controls the two lifting cylinders 201 to start working, so that the movable wheels 202 are outwardly arranged from the bottom of the protective frame 101 and are in contact with the ground. Then, the traction plate 205 is connected with the external traction equipment through the traction bolt 206. At this time, the staff can quickly pull the support structure to the required position by using the traction equipment, so as to facilitate the use of the staff.

[0028] To ensure the supporting effect, in the embodiment, the supporting mechanism further comprises a stabilizing mechanism 3, the stabilizing mechanism 3 comprises a combined plate 301 symmetrically arranged and fixed on the sidewalls on the left and right sides of the protective frame 101, and the bottom of the protective frame 101 is further provided with a bottom plate 303, the bottom plate 303 is arranged to cover the bottom of the protective frame 101, to ensure that the moving mechanism 2 can be normally used, the piston part of the lifting cylinder 201 and the movable wheel 202 are both arranged to be movable through the bottom plate 303, so that when the supporting mechanism needs to be moved, the movable wheel 202 is in contact with the ground by penetrating through the bottom plate 303, and the bottom plate 303 is lifted upward to be not in contact with the ground, and then the supporting mechanism can be moved. The two combined plates 301 are connected with the bottom plate 303 by arranging combined bolts 302, and the bottom plate 303 is further provided with fixed nails 304, the fixed nails 304 are arranged in a rectangular distribution on the bottom plate 303. Through the foregoing arrangement, when the supporting mechanism needs to work, the workers can dig matching grooves at the required working positions in advance, then the workers move the supporting mechanism into the grooves, so that the bottom plate 303 is in the groove, then the fixed nails are driven into the bottom plate 303, the fixed nails can fixedly connect the bottom plate 303 with the groove, so that the supporting mechanism can be stably arranged at the corresponding working position, so as to avoid the supporting mechanism from shaking during work, so as to ensure the supporting effect.

[0029] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A combined support structure for tunnel support, characterized by: The supporting structure (1) comprises a protective frame (101), the inside of the protective frame (101) is provided with symmetrically arranged inner plates (102), rotating threaded columns (104) are rotatably connected between the two inner plates (102), an inner motor (103) is further arranged on one of the inner plates (102), the output shaft of the inner motor (103) is connected with the rotating threaded column (104) through a shaft coupling, movable blocks (105) are threadedly connected on the rotating threaded columns (104), an electric telescopic sleeve rod (107) is slidably connected to the top of the protective frame (101) through a sliding groove, the bottom of the electric telescopic sleeve rod (107) is connected with the movable blocks (105), a derivative plate (108) is arranged on the top of the electric telescopic sleeve rod (107), and stable bolts (109) are threadedly connected on the derivative plate (108).

2. A composite support structure for tunnel support according to claim 1, characterised in that: Limiting long columns (106) are further arranged between the two inner plates (102), the arrangement direction of the limiting long columns (106) is adaptively arranged with the arrangement direction of the rotating threaded columns (104), and the limiting long columns (106) are movably arranged through the movable blocks (105).

3. A modular support structure for tunnel support according to claim 1, characterised in that: The supporting structure further comprises a moving mechanism (2), the moving mechanism (2) comprises a lifting cylinder (201) arranged in the inside of the protective frame (101), the piston part of the lifting cylinder (201) is arranged vertically downward, and the piston part of the lifting cylinder (201) is provided with a movable wheel (202).

4. A composite support structure for tunnel support according to claim 3, characterised in that: One side wall of the protective frame (101) is connected with a side plate (204) through a side bolt (203), the side plate (204) is provided with a traction plate (205), and the traction plate (205) is movably provided with a traction bolt (206).

5. A composite support structure for tunnel support according to claim 3, wherein: The supporting mechanism further comprises a stabilizing mechanism (3), the stabilizing mechanism (3) comprises a combination plate (301) arranged on the side wall of the protective frame (101), a bottom plate (303) is arranged at the bottom of the protective frame (101), the combination plate (301) is connected with the bottom plate (303) through a combination bolt (302), and a fixed button (304) is further arranged on the bottom plate (303).

6. A composite support structure for tunnel support according to claim 5, characterised in that: The piston part and the movable wheel (202) of the lifting cylinder (201) are movably arranged through the bottom plate (303).

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