Steel structure for tunnel support

Abstract

The utility model relates to the technical field of tunnel engineering, and discloses a steel structure for tunnel supporting, which comprises a supporting mechanism, the supporting mechanism comprises a steel supporting plate, a connecting plate is arranged on the side wall of one side of the steel supporting plate, a side motor is arranged on the connecting plate, and an output shaft of the side motor is connected with a tooth-shaped rotating column through a coupler. A concave chain plate is connected to the outer wall of the tooth-shaped rotating column in a meshed mode, a movable steel plate is arranged on the concave chain plate, a fixed steel plate is arranged below the movable steel plate, the concave chain plate movably penetrates into the steel supporting plate, the movable steel plate movably penetrates into the fixed steel plate, and a long threaded bolt column is connected to the fixed steel plate in a threaded mode. A connecting hole matched with the long screw bolt column is formed in the movable steel plate, and the outer wall of the long screw bolt column is further in threaded connection with a fixing screw; the mechanical automatic structure is adopted, the supporting height of the supporting structure can be rapidly adjusted, and the supporting device has the advantages of improving working efficiency and reducing labor intensity of workers.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of steel structures for tunnel support, belong to the technical field of tunnel engineering. BACKGROUND

[0002] Tunnel engineering is built in underground or underwater or in mountain, laying railway or building highway for motor vehicle to pass through the building, tunnel engineering is a complex and important engineering, need to consider geology, hydrology, traffic, environment and other factors. At present, in the construction process, in order to work safely in tunnel, it is necessary to use relevant tunnel support in tunnel.

[0003] Tunnel support is an important engineering measure to ensure the safety of tunnel construction and use, which refers to the support and reinforcement structure components for maintaining the stability of surrounding rock and preventing surrounding rock deformation and collapse during tunnel construction and operation. In the prior art, the commonly used tunnel support is not very convenient to use, and most of them cannot quickly adjust the support height, so the staff needs to use support plates (such as steel plates) of different lengths to adjust the height, which increases the work content of the staff and improves the work complexity of the staff, resulting in low work efficiency and high labor intensity of the staff. SUMMARY

[0004] In order to solve the above problems existing in the prior art, the utility model provides a steel structure based on tunnel support.

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

[0006] A steel structure for tunnel support, comprising a support mechanism, the support mechanism comprising a steel support plate, a side wall of the steel support plate is provided with a connecting plate, the connecting plate is provided with a side motor, an output shaft of the side motor is connected with a toothed rotating column through a shaft coupling, the outer wall of the toothed rotating column is engaged with a concave chain plate, the concave chain plate is provided with a movable steel plate, the movable steel plate is provided below with a fixed steel plate, the concave chain plate is movably arranged in the steel support plate, the movable steel plate is movably arranged in the fixed steel plate, the fixed steel plate is threadedly connected with a long threaded bolt column, the movable steel plate is provided with a connecting hole matched with the long threaded bolt column, and the outer wall of the long threaded bolt column is further threadedly connected with a fixing screw.

[0007] The top of the steel support plate is further provided with a derivative plate, the derivative plate is provided with a limiting plate, and the bottom of the steel support plate is further provided with a limiting lower plate.

[0008] The top of the movable steel plate is provided with an upper connecting plate, and the upper connecting plate is threadedly connected with an upper bolt.

[0009] The supporting mechanism is further provided with a carrying mechanism, which comprises a side plate connected to the steel supporting plate and the fixed steel plate through side bolts.

[0010] The supporting mechanism is further provided with a stabilizing mechanism, which comprises a bottom plate arranged at the bottom of the steel supporting plate and provided with bottom bolts.

[0011] The bottom plate is fixedly connected with the steel supporting plate and the fixed steel plate.

[0012] The supporting mechanism has the following advantages:

[0013] 1. The supporting mechanism is arranged, and when supporting work is needed, the supporting mechanism is moved to a required position, the side motor is controlled to start working, the output shaft of the side motor rotates to drive the toothed rotating column to rotate, the toothed rotating column rotates to drive the concave chain plate to move upwards to make the movable steel plate move adaptively, so that the movable steel plate can be moved to a required supporting height, and corresponding supporting work can be performed.

[0014] 2. The carrying mechanism is arranged, when the steel structure needs to be adjusted in position, the movable steel plate is lowered to an appropriate height through the working of the side motor, and then the steel structure can be moved to an appropriate working position by holding the side handle, the carrying mechanism provides a force point for the steel structure during movement, so that the worker can easily hold the steel structure, and the position of the steel structure at the working site can be adjusted by the worker, so that the steel structure is convenient to move.

[0015] 3. The stabilizing mechanism is arranged, when the steel structure reaches the working position, the bottom plate is locked with the working site through the bottom bolts, so that the stability of the steel structure during work can be improved, the steel structure can be prevented from being inclined or falling down during supporting work, the occurrence of safety accidents during work can be reduced, and the safety can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a perspective view of the utility model;

[0017] Fig. 2 Figure 3 is a structure schematic diagram of a right side view angle of the utility model;

[0018] Fig. 3 Figure 4 is a structure schematic diagram of an upside view angle of the utility model;

[0019] Fig. 4 Figure 5 is a structure schematic diagram of a front view angle of the utility model;

[0020] Fig. 5 Figure 6 is a structure schematic diagram of a downside view angle of the utility model.

[0021] The figure mark is shown as follows:

[0022] 1, supporting mechanism; 101, steel support plate; 102, connecting plate; 103, side motor; 104, toothed rotating column; 105, concave chain plate; 106, movable steel plate; 107, long threaded bolt column; 108, fixed steel plate; 109, fixing screw; 110, derivative plate; 111, limiting plate; 112, upper connecting plate; 113, upper bolt; 114, limiting lower plate;

[0023] 2, carrying mechanism; 201, side bolt; 202, side plate; 203, side handle;

[0024] 3, stabilizing mechanism; 301, bottom plate; 302, bottom bolt. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] Embodiment: please refer to Figs. 1-5The embodiment provides a kind of steel structure for tunnel support, including support mechanism 1, support mechanism includes symmetrically arranged steel support plate 101, the front side wall of both sides steel support plate 101 is fixedly provided with link plate 102, the side wall of both sides link plate 102 is provided with side motor 103, toothed rotating column 104 is provided between both sides link plate 102, the output shaft of both sides side motor 103 is fixedly connected with the corresponding side end of toothed rotating column 104 by coupling, to drive toothed rotating column 104 rotate between both sides link plate 102.The outer wall of toothed rotating column 104 is engaged with concave chain plate 105, concave chain plate 105 is arranged at the rear position of toothed rotating column 104, the rear wall of concave chain plate 105 is fixedly provided with movable steel plate 106, movable steel plate 106 is provided below fixed steel plate 108, fixed steel plate 108 is arranged at the rear position of steel support plate 101, and fixed steel plate 108 is also fixedly connected with steel support plate 101, concave chain plate 105 is movably threaded into steel support plate 101, specifically, it is movably threaded into between both sides steel support plate 101, movable steel plate 106 is movably threaded into fixed steel plate 108.

[0027] By the foregoing arrangement, when both sides side motor 103 starts to work, it can drive toothed rotating column 104 to rotate, so that concave chain plate 105 is driven by toothed rotating column 104 under the meshing effect, to move up and down accordingly, after concave chain plate 105 moves up and down, it can drive movable steel plate 106 to move accordingly, at this time, concave chain plate 105 moves in and out of steel support plate 101, movable steel plate 106 moves in and out of fixed steel plate 108.

[0028] The side wall of fixed steel plate 108 is also threadedly connected with long threaded bolt column 107, and a plurality of connecting holes matched with long threaded bolt column 107 are formed in the corresponding side wall of movable steel plate 106, the connecting holes are uniformly distributed on movable steel plate 106 along the length direction of movable steel plate 106, and the specific number of distribution can be determined according to actual conditions.The outer wall of long threaded bolt column 107 is also threadedly connected with fixed screw 109, and fixed screw 109 can fix long threaded bolt column 107 by locking on fixed steel plate 108.

[0029] The top of the two side steel support plates 101 is also fixedly provided with a derivative plate 110, the two side derivative plates 110 are fixedly provided with a limiting plate 111, the bottom of the two side steel support plates 101 is also fixedly provided with a limiting lower plate 114, the limiting plate 111 and the limiting lower plate 114 are used to connect the two side steel support plates 101 into a whole, so as to improve the structural strength of the whole steel structure, and the limiting lower plate 114 can also block the movement path of the concave chain plate 105, so as to avoid the situation that the concave chain plate 105 moves downward to a too low level.

[0030] Through the foregoing arrangement, when support work is needed, the construction personnel first move the support mechanism 1 to the required position, and then start the synchronous work of the two side motors 103, the rotation of the output shaft of the side motor 103 can drive the toothed rotating column 104 to rotate, and the toothed rotating column 104 can drive the concave chain plate 105 to move up and down according to its own rotating direction, so as to drive the movable steel plate 106 to move accordingly, so as to move the movable steel plate 106 to the required support height, so as to perform the corresponding support work. After the movable steel plate 106 is moved to the required support height, the required support work can be achieved by locking the upper connecting plate 112 with the required components in the tunnel structure by using the upper bolt 113, and the long threaded bolt column 107 is inserted into the connecting hole in the appropriate position of the movable steel plate 106, and then the long threaded bolt column 107 is fixed by the locking screw 109, so that the support effect of the support mechanism 1 is more stable.

[0031] In order to facilitate the use of the steel structure, in the embodiment, the support mechanism 1 is also provided with a carrying mechanism 2, the carrying mechanism 2 includes a side plate 202 which is threadedly connected to the two side steel support plates 101 and the two side walls of the fixed steel plate 108 by a side bolt 201, and the two side plates 202 are fixedly provided with a side handle 203. Through the foregoing arrangement, when the steel structure needs to be adjusted in position, the movable steel plate 106 is first lowered to an appropriate height by the work of the side motor 103, and then the workers can move the whole steel structure to an appropriate working position by holding the side handle 203. The arrangement of the carrying mechanism 2 can provide a fulcrum for the steel structure when it is moved, so as to facilitate the workers to hold it, which is beneficial to the workers to adjust the position of the steel structure at the working site.

[0032] To further ensure the stability of the support of the steel structure, the support mechanism 1 is further provided with a stabilizing mechanism 3 in the embodiment, the stabilizing mechanism 3 comprises a bottom plate 301 arranged on the side wall away from the steel support plate 101 on both sides, the bottom plate 301 is fixedly arranged at the bottom position of the corresponding side steel support plate 101, the bottom plate 301 is threadedly connected with a bottom bolt 302, and the bottom plate 301 is further fixedly connected with the fixed steel plate 108. Through the foregoing arrangement, when the steel structure reaches the working position, the bottom plate 301 can be locked with the working position by using the bottom bolt 302, so that the stability of the steel structure during work can be improved, and the inclination and falling of the steel structure during support work can be avoided.

[0033] The use method of the embodiment is that, when in use, the staff moves the steel structure to the required working position by gripping the side handle 203, then locks the bottom plate 301 with the working point by rotating the bottom bolt 302, and then removes the side plate 202 and the side handle 203 from the steel support plate 101 and the fixed steel plate 108 by rotating the side bolt 201, so as to expand the operation space. Then the staff starts work by controlling the side motor 103, the output shaft of the side motor 103 rotates to drive the toothed rotating column 104 to rotate, the toothed rotating column 104 rotates to drive the concave chain plate 105 and the movable steel plate 106 to rise together, when the movable steel plate 106 rises to the appropriate working height, the staff rotates the upper bolt 113 to lock the corresponding connecting part at the top of the tunnel with the upper connecting plate 112, then inserts the long threaded bolt column 107 into the connecting hole in the corresponding position of the movable steel plate 106, and then rotates the fixing screw 109 to lock it on the fixed steel plate 108, so as to fix the long threaded bolt column 107. At this time, the steel structure can perform the required support work.

[0034] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements includes not only those elements, but also other elements not explicitly listed or inherent to such a process, method, article or equipment.

[0035] It should be noted that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0036] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0037] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A steel structure for tunnel support, characterized by: The utility model provides a support mechanism (1), support mechanism includes steel support board (101), is provided with the link plate (102) on one side wall of steel support board (101), the link plate (102) is provided with side motor (103), the output shaft of side motor (103) is connected with the toothed rotating column (104) through the shaft coupling, the outer wall of toothed rotating column (104) is engagedly connected with concave chain plate (105), and the movable steel plate (106) is provided on concave chain plate (105), and the fixed steel plate (108) is provided below movable steel plate (106), and concave chain plate (105) is movably arranged into steel support board (101), and movable steel plate (106) is movably arranged into fixed steel plate (108), and the long screw bolt (107) is screw connected on fixed steel plate (108), and the connecting hole that is matched with long screw bolt (107) is set up on movable steel plate (106), and the outer wall of long screw bolt (107) is also screw connected with fixed screw (109).

2. A steel structure for tunnel support according to claim 1, characterized in that: The top of the steel support plate (101) is also provided with a derivative plate (110), and the derivative plate (110) is provided with a limiting plate (111).

3. The steel structure for tunnel support according to claim 1, characterized in that: The top of the movable steel plate (106) is provided with an upper connecting plate (112), and the upper connecting plate (112) is screw connected with an upper bolt (113).

4. The steel structure for tunnel support according to claim 1, characterized in that: The support mechanism (1) is also provided with a carrying mechanism (2), and the carrying mechanism (2) comprises a side plate (202) screw connected to the steel support plate (101) and the fixed steel plate (108) through a side bolt (201).

5. The steel structure for tunnel support according to claim 1, characterized in that: The support mechanism (1) is also provided with a stabilizing mechanism (3), and the stabilizing mechanism (3) comprises a bottom plate (301) provided at the bottom of the steel support plate (101), and the bottom plate (301) is screw connected with a bottom bolt (302).

6. A steel structure for tunnel support according to claim 5, characterized in that: The bottom plate (301) is fixedly connected with the steel support plate (101) and the fixed steel plate (108).

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