Universal type subsurface tunnel steel bar arch frame machining mold

Abstract

The invention discloses a universal type subsurface tunnel steel bar arch frame machining mold which comprises a supporting module arranged in a tunnel and further comprises a longitudinal movement module arranged on the supporting module, a transverse movement module movably assembled on the longitudinal movement module and a grating module assembled on the transverse movement module. According to the machining mold for the steel grating lagging jack of the subsurface tunnel, the steel grating lagging jack machining mold is divided into multiple different modules according to the modular thinking, three-direction dimension adjustment of the machining mold for the steel grating lagging jack of the subsurface tunnel is achieved through movement among the modules, and the machining mold for the steel grating lagging jack of the subsurface tunnel meets the machining universality of different types of steel bar grating lagging jacks; the requirements of variable cross section, variable radian, variable diameter and the like are met, the production efficiency is improved, and the process flow is reduced; compared with the prior art, the production cost is reduced, and the defects that manpower, mechanical equipment and the like are consumed are effectively overcome; the turnover rate of the machining die is increased, and the longitudinal moving module and the transverse moving module are applied to machining of the variable-diameter tunnel reinforcing bar grating lagging jack.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tunnel engineering, in particular to a universal type of underground excavation tunnel steel arch processing mold. BACKGROUND

[0002] In the highway and railway tunnel excavation and support, steel grid arches are widely used in construction due to their convenience and stability. Currently, different diameters, cross sections, shapes, and structures of underground excavation tunnels and different sizes of steel grid arches need to be independently manufactured before processing, which is time-consuming, material-consuming, and labor-intensive. The existing steel grid arch processing mold mainly uses a steel bending machine or manual processing to bend the steel raw material into an arc shape, and then weld it in the processing mold. However, this method has the following disadvantages: 1. Low production efficiency and complex process; 2. High production cost; 3. Low mold turnover rate; 4. Cannot be applied to variable-diameter tunnel steel grid arch processing; 5. Low quality of finished products; 6. Difficult to control the process; and 7. High rework rate.

[0003] A tunnel steel arch processing mold is disclosed in Chinese patent document CN206732432U, which solves the problem of existing tunnel steel arch processing molds that use simple steel for positioning, which can easily cause elastic deformation and result in size deviation of the steel frame, and the lack of a bottom support can easily cause physical damage to the processing personnel. The tunnel steel arch processing mold includes an I-beam base and a bracket, the I-beam base is arc-shaped, and its two ends are connected with movable limiting plates. The I-beam base has legs fixed at the lower part, and a plurality of clamping plates are arranged at the upper part. The I-beam base is provided with a plurality of brackets near the operator. The utility model has the advantages of simple structure, convenient manufacturing, low cost, no need for external materials during processing, and strong positioning effect on the steel used for processing, which has broad application prospects and is suitable for wide application and promotion. However, the tunnel steel arch processing mold has high production cost and requires a large number of human and mechanical equipment.

[0004] A welding device for a tunnel support grid arch disclosed in Chinese patent document No. CN223043978U, the welding device for a tunnel support grid arch includes a support frame; the support frame is connected with a first clamping assembly, a second clamping assembly, a third clamping assembly and a fourth clamping assembly; further comprising an electric sliding rail; the left end of the electric sliding rail is connected with the cross beam on the left side of the support frame, and the right end is connected with the cross beam on the right side of the support frame; the sliding block of the electric sliding rail is connected downward with a telescopic cylinder, the piston rod of the telescopic cylinder is connected with a welding gun, and the welding gun points downward. Four clamping plates are operated to clamp the main reinforcement frame of the grid arch; then the electric sliding rail is operated to move the sliding block to the appropriate position, the welding gun is started to perform welding operation, and so on, to weld the main reinforcement frame of the grid arch and the eight-shaped reinforcement at the different intersection in the left-right direction. The above process does not need the operator to hold the welding gun to perform the welding operation, and the welding operation efficiency is improved, but the mold turnover rate of the welding device for the tunnel support grid arch is low.

[0005] In order to solve the problems existing in the prior art, it is a problem worth studying to provide a universal type underground excavation tunnel steel arch processing mold. SUMMARY

[0006] The purpose of the present application is to overcome the shortcomings of high production cost, more manpower and mechanical equipment, and low mold turnover rate, and to provide a universal type underground excavation tunnel steel arch processing mold, which realizes the geometric requirements of different types of underground excavation tunnel steel arch processing, effectively reduces the time cost, and has the technical effect of effectively reducing the time cost.

[0007] The purpose of the present application is achieved by the following technical solutions: A universal type underground excavation tunnel steel arch processing mold, comprising a support module arranged in a tunnel, a longitudinal movement module arranged on the support module, a transverse movement module movably assembled on the longitudinal movement module, and a grid module assembled on the transverse movement module, the present application is modularized, the steel grid arch processing mold is divided into multiple different modules, the modules are moved, the underground excavation tunnel steel grid arch processing mold is adjusted in three dimensions, the universality of the steel grid arch processing mold is satisfied for different types of steel grid arch processing, and the steel grid arch processing mold has variable cross section, variable curvature and variable diameter.

[0008] The support module comprises connecting end plates arranged on both sides of the tunnel, and hydraulic lifts arranged between the upper and lower parts of the connecting end plates. The two ends of the connecting end plate are respectively fixedly connected with the longitudinal movement module.

[0009] The support module further comprises grounding fixed end plates fixedly connected to both sides of the bottom of the tunnel, fixed supports fixedly connected to the top of the grounding fixed end plates, and fixed pins assembled and connected to the top of the fixed supports. The fixed support is fixedly connected with the transverse movement module through a fixed pin, a grounding fixed end plate, a fixed support and a fixed pin are additionally arranged at the bottom of the support module, and the mechanical anchoring mode is used to connect with the ground, so that the overall stability and displacement resistance of the mold are improved, the deviation or vibration during processing is avoided, the construction safety and processing precision are ensured, and the mold is suitable for tunnel construction in complex geological environment.

[0010] The longitudinal movement module comprises longitudinal walking frames fixedly connected to both ends of the connecting end plate, and longitudinal guide rails slidingly connected in the longitudinal walking frames. The transverse movement module is arranged at the top of the longitudinal walking frame, the longitudinal movement module adopts a combination of longitudinal walking frames and longitudinal guide rails, the position is fixed through the cooperation of the pin and the gourd hole, the longitudinal position is quickly adjusted and locked, the connection strength and stability between the modules are enhanced, and the modular assembly efficiency and structural reliability of the mold are improved.

[0011] The lower two longitudinal guide rails are fixedly connected with the longitudinal walking frame and the fixed support through fixed pins, and the upper two longitudinal guide rails are fixedly connected with the longitudinal walking frame through fixed pins, the longitudinal guide rails and the longitudinal walking frame are connected through the gourd hole reserved in the movement guide rail and the fixed pin, the position of the longitudinal walking frame is fixed, and the adjusted longitudinal state of the processing mold is fixed, so that the mold has excellent stability while having adjustability.

[0012] The transverse movement module comprises transverse guide rails fixedly connected to the top of the longitudinal walking frame, and transverse walking wheels slidingly connected on the transverse guide rails. The transverse walking wheel is assembled and connected with the grid module, the transverse movement module comprises transverse guide rails and transverse walking wheels, the walking wheel is movably connected with the grid module, the transverse position is flexibly adjusted, the processing requirements of steel bar grating of different widths are adapted, the multi-dimensional adjustment capability of the mold is enhanced, and the universality and applicability are improved.

[0013] The grid module comprises grid main rib fixers movably connected with the transverse walking wheels respectively, and steel bar grating models assembled and connected to the outer sides of the grid main rib fixers, so that the main rib positioning is accurate, displacement in the welding or processing process is avoided, the geometric precision and structural consistency of the steel bar grating are ensured, and the rework rate is reduced.

[0014] Steel fixing springs are arranged on both sides of the opening at the top of the transverse guide rail, the grid main rib fixer is arranged between the steel fixing springs, the grid main rib fixer after adjustment is limited by the steel fixing springs arranged at the top of the transverse guide rail, and has a certain damping and buffering effect, the stability of the steel bar grating model is improved, the main rib of the steel bar grating model is placed on the grid main rib fixer, and the main rib is clamped and fixed by the internal damping spring group.

[0015] Positive beneficial effects: 1. The universal type of tunneling tunnel steel reinforcement arch processing mold, with modular thinking, by dividing the steel grid arch processing mold into many different modules, through the movement between the modules, so that the tunnel steel grid arch processing mold realizes three-dimensional adjustment, so as to meet the universality of different types of steel grid arch processing, and realize the requirements of variable cross section, variable curvature and variable diameter.

[0016] 2. The universal type of tunneling tunnel steel reinforcement arch processing mold improves production efficiency and reduces process flow; and reduces production cost, compared with the prior art, effectively solves the problems of more manpower and mechanical equipment angles, improves the turnover rate of the processing mold, applies the longitudinal moving module and the transverse moving module to the variable diameter tunnel steel grid arch processing; and improves the quality of the finished product, since the mold adopts a modular assembly mode, rework can be effectively avoided. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural diagram of the present application; Figure 2 is a structural diagram of the longitudinal motion module of the present application; Figure 3 is a structural diagram of the transverse motion module of the present application.

[0018] In the figure: 1-ground fixed end plate, 2-fixed support, 3-longitudinal walking frame, 4-connection end plate, 5-steel grid model, 6-fixed bolt, 7-longitudinal guide rail, 8-transverse walking wheel, 9-transverse guide rail, 10-grid main reinforcement fixer, 11-hydraulic lifter, 12-steel reinforcement fixing spring. DETAILED DESCRIPTION

[0019] The embodiments of the present application will be described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as a limitation of the present application. Example 1

[0020] As Figures 1 to 3As shown, a general type of tunneling tunnel steel arch processing mold, including the support module arranged in the tunnel, characterized by: further comprising a longitudinal movement module arranged on the support module, a transverse movement module movably assembled on the longitudinal movement module, and a grid module assembled on the transverse movement module, the present application is modular thinking, by dividing the steel grid arch processing mold into a plurality of different modules, through the movement between the modules, so that the tunnel steel grid arch processing mold realizes three-dimensional adjustment, so as to meet the versatility of different types of steel grid arch processing, realize its variable cross section, variable radius, variable diameter and other requirements; The technical scheme improves production efficiency, reduces process flow, reduces production cost, effectively solves the problems of more manpower and mechanical equipment angles, and improves the processing mold turnover rate. The longitudinal movement module and the transverse movement module are applied to the variable-diameter tunnel steel grid arch processing, and the processing product quality is improved. Since the mold adopts a modular assembly mode, rework can be effectively avoided. Further, according to the construction environment (site size) and design elements (cross-sectional size, arc rate, and requirements), the number of processing modules (transverse movement modules and longitudinal blocks) is determined.

[0021] As shown in Figure 1 The support module includes a connecting end plate 4 arranged on both sides of the tunnel, and a hydraulic lifter 11 arranged between the upper and lower parts of the connecting end plate 4. The two ends of the connecting end plate 4 are fixedly connected with the longitudinal movement module. The connecting end plate and the hydraulic lifter are arranged in the support module. The height is adjusted by the hydraulic lifter, and the width and the arc are adjusted by the synchronous or relative movement of the movement gear in the transverse movement module. The cross-sectional height, width and arc can be quickly and accurately adjusted, the manual intervention error is avoided, the processing consistency and product quality are improved, the geometric adaptability and automation level of the mold are enhanced, and the manual adjustment time and error are reduced Further, if the cross-sectional height of the steel grid arch needs to be adjusted, the height of the variable hydraulic lifter 11 is raised or lowered, and the cross-sectional height adjustment of the steel grid model can be completed. If the cross-sectional width of the steel grid arch needs to be adjusted, the movement gears of the four groups of transverse walking wheels are adjusted relatively, and the cross-sectional width adjustment can be completed. If the arc of the steel grid arch needs to be adjusted, the four groups of transverse walking wheels are adjusted in the same direction, and the arc adjustment of the steel grid arch can be completed.

[0022] As shown in Figure 1 The support module further includes a grounding fixed end plate 1 fixedly connected to both sides of the tunnel bottom, a fixed support 2 fixedly connected to the top of the grounding fixed end plate 1, and a fixed bolt 6 assembled and connected to the top of the fixed support 2. The fixed support 2 is fixedly connected with the transverse movement module through the fixed pin 6, a grounding fixed end plate, a fixed support and a fixed pin are additionally arranged at the bottom of the support module, the mechanical anchoring mode is used to connect with the ground, the overall stability and displacement resistance of the mold are improved, the deviation or vibration in the processing process is avoided, the construction safety and processing precision are ensured, and the tunnel construction in a complex geological environment is suitable. Embodiment 2

[0023] As shown in Figure 1 and Figure 2 , the longitudinal movement module comprises a longitudinal walking frame 3 fixedly connected to both ends of the connecting end plate 4, and a longitudinal guide rail 7 slidingly connected in the longitudinal walking frame 3. The transverse movement module is arranged at the top of the longitudinal walking frame 3, the longitudinal movement module adopts a combination of a longitudinal walking frame and a longitudinal guide rail, the position is fixed through the cooperation of the pin and the gourd hole, the quick adjustment and locking of the longitudinal position are realized, the connection strength and stability between the modules are enhanced, and the modular assembly efficiency and structural reliability of the mold are improved.

[0024] As shown in Figure 1 and Figure 2 , the two lower longitudinal guide rails 7 are fixedly connected with the longitudinal walking frame 3 and the fixed support 2 through the fixed pins 6, the two upper longitudinal guide rails 7 are fixedly connected with the longitudinal walking frame 3 through the fixed pins 6, and the longitudinal guide rails 7 and the longitudinal walking frame 3 are connected through the gourd holes reserved in the movement guide rail by using the fixed pins 6. The position of the longitudinal walking frame 3 is fixed, and the adjusted longitudinal state of the processing mold is fixed, so that the mold has excellent stability while having adjustability.

[0025] As shown in Figures 1 to 3 , the transverse movement module comprises a transverse guide rail 9 fixedly connected to the top of the longitudinal walking frame 3, and a transverse walking wheel 8 slidingly connected to the transverse guide rail 9. The transverse walking wheel 8 is assembled and connected with the grid module, the transverse movement module comprises a transverse guide rail and a transverse walking wheel, the walking wheel is movably connected with the grid module, the flexible adjustment of the transverse position is realized, the processing needs of the steel bar grid with different widths are adapted, the multi-dimensional adjustment capability of the mold is enhanced, and the universality and applicability are improved. Embodiment 3

[0026] As shown in Figures 1 to 3 , the grid module comprises a grid main reinforcement fixer 10 movably connected with the transverse walking wheel 8, and a steel bar grid model 5 assembled and connected to the outer side of the grid main reinforcement fixer 10, so as to ensure the accurate positioning of the main reinforcement, avoid displacement in the welding or processing process, ensure the geometric precision and structural consistency of the steel bar grid, and reduce the rework rate.

[0027] As shown in Figures 1 to 3As shown, the two sides of the top opening of the transverse guide rail 9 are provided with reinforcing steel fixing springs 12, and the grid main reinforcing steel fixer 10 is arranged between the reinforcing steel fixing springs 12. The reinforcing steel fixing springs 12 arranged on the top of the transverse guide rail 9 limit the adjusted grid main reinforcing steel fixer 10 and have a certain damping and buffering effect, thereby improving the stability of the reinforcing steel grid model. The main reinforcing steel of the reinforcing steel grid model is placed on the grid main reinforcing steel fixer, and the internal damping spring group clamps and fixes the main reinforcing steel.

[0028] The working principle of the present application is as follows: The present application divides the steel grid arch processing mold into different modules through modular thinking, and adjusts the three-dimensional direction of the underground tunnel steel grid arch processing mold by moving the modules, so that the mold can be used for different types of steel grid arch processing, and can meet the requirements of variable cross-section, variable curvature and variable diameter, thereby improving the production efficiency, reducing the process flow, reducing the production cost, and effectively solving the problems of more manpower and mechanical equipment angles in the prior art.

[0029] The above is only used to illustrate the technical solutions of the present application, not to limit it. Other modifications or equivalent replacements of the technical solutions of the present application made by those skilled in the art should be covered in the scope of the claims of the present application, as long as they do not deviate from the spirit and scope of the present application.

Claims

1. A universal steel reinforcement arch frame processing mold for mined tunnels, comprising a support module disposed within the tunnel, characterized in that: It also includes a longitudinal motion module disposed on the support module, a transverse motion module movably mounted on the longitudinal motion module, and a grid module mounted on the transverse motion module.

2. The universal steel reinforcement arch frame processing mold for mined tunnels according to claim 1, characterized in that: The support module includes connecting end plates (4) disposed on both sides of the tunnel, and a hydraulic lifter (11) disposed between the upper and lower parts of the connecting end plates (4). The two ends of the connecting end plate (4) are fixedly connected to the longitudinal motion module respectively.

3. The universal steel reinforcement arch frame processing mold for mined tunnels according to claim 1, characterized in that: The support module also includes grounding fixed end plates (1) fixedly connected to both sides of the bottom of the tunnel, fixed support (2) fixedly connected to the top of the grounding fixed end plates (1), and fixed pins (6) assembled and connected to the top of the fixed support (2). The fixed support (2) is fixedly connected to the transverse motion module by a fixed pin (6).

4. A universal steel reinforcement arch frame processing mold for mined tunnels according to any one of claims 1 to 3, characterized in that: The longitudinal motion module includes a longitudinal walking frame (3) fixedly connected to both ends of the connecting end plate (4), and a longitudinal guide rail (7) slidably connected within the longitudinal walking frame (3). The lateral motion module is located on top of the longitudinal walking frame (3).

5. A universal steel reinforcement arch frame processing mold for mined tunnels according to claim 4, characterized in that: The two lower longitudinal guide rails (7) are fixedly connected to the longitudinal walking frame (3) and the fixed support (2) by fixing pins (6), and the two upper longitudinal guide rails (7) are fixedly connected to the longitudinal walking frame (3) by fixing pins (6).

6. A universal steel reinforcement arch frame processing mold for mined tunnels according to claim 4, characterized in that: The lateral motion module includes a lateral guide rail (9) fixedly connected to the top of the longitudinal walking frame (3), and a lateral walking wheel (8) slidably connected to the lateral guide rail (9). The transverse traveling wheel (8) is assembled and connected to the grid module.

7. A universal steel reinforcement arch frame processing mold for mined tunnels according to claim 6, characterized in that: The grid module includes a grid main bar fixer (10) that is movably connected to the transverse traveling wheel (8), and a steel grid model (5) assembled and connected to the outside of the grid main bar fixer (10).

8. A universal steel reinforcement arch frame processing mold for mined tunnels according to claim 7, characterized in that: The transverse guide rail (9) has steel bar fixing springs (12) on both sides of the top opening, and the grid main bar fixer (10) is located between the steel bar fixing springs (12).

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