A tunnel construction anti-collapse supporting device

By designing and combining arc-shaped support plates and components, the problem of workers being injured by falling rocks during tunnel construction was solved, enabling safe and efficient debris removal and collection, and improving the safety of tunnel construction and the lifespan of equipment.

CN120990656BActive Publication Date: 2026-04-10GUIZHOU ROAD & BRIDGE GRP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
GUIZHOU ROAD & BRIDGE GRP
Filing Date
2025-10-23
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing tunnel construction safety devices are prone to falling rocks and injuring workers when vibrating, posing a safety hazard.

Method used

A tunnel construction anti-collapse support device was designed, comprising an arc-shaped support plate, a shaking component, a drive component, and a lifting component. The shaking component vibrates and clears away the rubble, while the lifting component collects and removes the rubble, thus preventing rubble accumulation and ensuring safety.

Benefits of technology

It effectively prevents the accumulation of gravel, reduces safety hazards, improves construction safety, facilitates gravel removal, and extends the service life of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the technical field of tunnel protection, and particularly provides a tunnel construction anti-collapse supporting device. The application discloses a tunnel construction anti-collapse supporting device, which comprises an arc-shaped supporting plate, vertical plates fixedly connected to the two ends of the arc-shaped supporting plate, arc-shaped convex strips fixedly arranged at the top surfaces of the two ends of the arc-shaped supporting plate, and a flow groove formed by the two groups of arc-shaped convex strips on the top surface of the arc-shaped supporting plate and communicated to the two sides, and two groups of supporting boxes. The driving assembly drives the shaking assembly to work, the gravel falling into the flow groove in the tunnel construction process can be shaken and slid into the supporting boxes, gravel accumulation on the arc-shaped supporting plate is prevented, and a safety hazard is avoided; meanwhile, the movement of the horizontal plate is driven by the cylinder, and then the work of the lifting assembly is driven by the horizontal plate, the gravel collected in the supporting boxes can be pulled out upwards by the lifting assembly, and the gravel is convenient for workers to take out.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of tunnel protection, in particular to a tunnel construction anti-collapse supporting device. BACKGROUND

[0002] In the process of tunnel construction, in order to avoid the collapse of the tunnel top, it is usually necessary to use a supporting device for support and protection to improve the safety of construction operation device, which has been widely used in the field of tunnel construction.

[0003] The existing protection device directly contacts the top of the tunnel when in use, and the vibration caused by the tunnel construction process can cause the falling of the falling stones, which can easily injure the workers and cause safety hazards.

[0004] Therefore, we propose a tunnel construction anti-collapse supporting device. SUMMARY

[0005] In view of the above situation, in order to overcome the defects of the prior art, the present application provides a tunnel construction anti-collapse supporting device.

[0006] The technical scheme adopted by the present application is as follows: the present application is a tunnel construction anti-collapse supporting device, which comprises an arc-shaped supporting plate, two vertical plates are fixedly connected at both ends of the arc-shaped supporting plate, arc-shaped convex strips are fixedly arranged at both ends of the top surface of the arc-shaped supporting plate, the top surface of the arc-shaped supporting plate is formed into a flow channel communicating to both sides through two groups of arc-shaped convex strips, two groups of supporting boxes are further included, a horizontal plate is fixedly arranged at the bottom of the vertical plate, the horizontal plate is respectively located at the top of the two groups of supporting boxes, a material falling port is formed at the top of the supporting box, the material falling port is located on one side of the horizontal plate, a cylinder is fixedly arranged in the supporting box, the output shaft of the cylinder is slidably penetrated through the top of the supporting box and is fixedly connected with the bottom of the horizontal plate, a shaking assembly is further included, the shaking assembly is arranged in the flow channel, a driving assembly is arranged in the supporting box, and the driving assembly is connected with the shaking assembly; a lifting assembly is further included, the lifting assembly is arranged in the supporting box and is connected with the horizontal plate.

[0007] Further, the shaking assembly comprises an arc-shaped sliding plate and a damping spring one, the damping spring one is fixedly arranged at the bottom of the flow channel, the arc-shaped sliding plate is fixedly connected with the top end of the damping spring one, and the side wall of the arc-shaped sliding plate is slidably connected with the arc-shaped convex strips on both sides, and the arc-shaped sliding plate covers the flow channel.

[0008] Further, the driving assembly comprises a tension unit, a reciprocating rotation unit and a pull rope one, two groups of vertical partitions are fixedly arranged in the support box, the two groups of vertical partitions divide the support box into a collecting bin, a cylinder bin and a driving bin, the cylinder bin is located between the collecting bin and the driving bin, the cylinder is located in the cylinder bin, the blanking port is located above the collecting bin, the lifting assembly is arranged in the collecting bin, the driving assembly is arranged in the driving bin, the reciprocating rotation unit is arranged on the inner bottom wall of the driving bin, a connecting plate is fixedly arranged between the upper and lower inner walls of the driving bin, the tension unit is arranged on the connecting plate, one end of the pull rope one is connected with the reciprocating rotation unit, and the other end of the pull rope one passes through the tension unit and then slides out from the top of the driving bin and is connected with the arc-shaped sliding plate.

[0009] Further, the reciprocating rotation unit comprises a motor, an incomplete gear, a driven gear and a rope winding wheel, the motor is fixedly arranged on the inner bottom wall of the driving bin, the incomplete gear is fixedly arranged on the output shaft of the motor, a center shaft one is horizontally connected at the center of the driven gear, one end of the center shaft one is rotatably arranged on the inner wall of one side of the driving bin through a bearing, the other end of the center shaft one is rotatably arranged on the vertical partition close to one side of the driving bin through a bearing, the driven gear is intermittently engaged with the incomplete gear, the rope winding wheel is fixedly arranged on the center shaft one, and one end of the pull rope one is fixedly connected with the rope winding wheel.

[0010] Further, the tension unit comprises a mounting plate, a tension wheel, telescopic rods, a stretching spring and a tension sensor, the telescopic rods are fixedly arranged on the connecting plate in a symmetrical mode, the mounting plate is fixedly arranged on the end, away from the connecting plate, of the telescopic rods, the tension sensor is fixedly arranged on the connecting plate and located between the two telescopic rods, one end of the stretching spring is fixedly connected with one end of the tension sensor, the other end of the stretching spring is fixedly connected with the mounting plate, the tension wheel is rotatably arranged on the mounting plate, and the tension unit further comprises a guide rope wheel, a center shaft two is horizontally connected at the center of the guide rope wheel, one end of the center shaft two is rotatably arranged on the inner wall of one side of the driving bin through a bearing, the other end of the center shaft two is rotatably arranged on the vertical partition close to one side of the driving bin through a bearing, the guide rope wheel is located directly above the rope winding wheel and obliquely above the tension wheel, and the other end of the pull rope one sequentially passes through the tension wheel and the guide rope wheel and then slides out from the top of the driving bin and is fixedly connected with the inner side wall of the arc-shaped sliding plate.

[0011] Further, horizontal supports are fixedly arranged between the two groups of vertical plates, a fixed pulley one is mounted on the top of each of the two sides of the horizontal support, after the pull rope one slides out from the top of the driving bin, the pull rope one slides through the horizontal support and the arc-shaped supporting plate and passes through the fixed pulley one, and a reinforcing plate is fixedly arranged between the horizontal support and the arc-shaped supporting plate.

[0012] Further, the lifting assembly comprises a lifting plate, a load plate and a damping spring two, the lifting plate is slidably arranged in the collecting bin, the damping spring two is fixedly arranged on the top of the lifting plate, the load plate is fixedly arranged on the top of the damping spring two, and the load plate is slidably arranged in the collecting bin, limit strips are fixedly arranged on the inner walls of the left and right sides of the inner wall of the collecting bin, the lifting plate and the load plate are slidably clamped with the limit strips, a vertical rod is fixedly arranged on the bottom of the horizontal plate and slidably penetrates through the top of the air cylinder bin, the other end of the second pulling rope is slidably inserted into the collecting bin after penetrating through the top of the air cylinder bin and is slidably connected with the lifting plate.

[0013] Further, the supporting box is provided with a second fixed pulley on the top, the second fixed pulley is located on one side of the material falling port, and the second pulling rope penetrates through the top of the air cylinder bin and passes around the second fixed pulley.

[0014] Further, the bottom of the lifting plate is further provided with a conical spike, and the bottom of the collecting bin is provided with an avoiding port for the conical spike.

[0015] Further, the vertical plate is provided with a material guide plate on the side wall, the material guide plate is inclined, and the bottom end extends above the material falling port.

[0016] The application has the following beneficial effects by adopting the above structure:

[0017] 1、The cooperation of the driving assembly and the shaking-off assembly, the intermittent rotation of the reciprocating rotation unit drives the rope winding wheel to rotate, in turn, the intermittent pulling of the first pulling rope, in turn, the reciprocating pulling of the arc-shaped sliding plate, the vibration of the arc-shaped sliding plate, and the shaking-off of the gravel on the arc-shaped sliding plate, the motor is controlled by an external controller, the motor stops after starting for a period of time each time, until the value of the tension sensor returns to the initial state value, at this time, it indicates that the gravel on the arc-shaped sliding plate has been cleaned up, and the tension unit can pre-tighten the first pulling rope, so that the first pulling rope is in a tense state.

[0018] 2、The cooperation between the lifting assembly, the horizontal plate, the vertical rod, the second pulling rope and the air cylinder, when the air cylinder drives the horizontal plate to rise, in turn, the vertical rod rises, at this time, the second pulling rope is released, under the action of gravity, the lifting plate and the load plate move downward, and the conical spike penetrates through the avoiding port and inserts into the ground, increasing the stability of the supporting box, when the air cylinder drives the horizontal plate to descend, in turn, the vertical rod descends, at this time, the second pulling rope is pulled downward, under the pulling of the second pulling rope, the lifting plate and the load plate move upward, so that the gravel on the load plate can be close to the material falling port, facilitating the removal of the gravel from the collecting bin by the staff. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and are meant to explain the present application and are not intended to limit the application. In the drawings:

[0020] Figure 1 is a perspective view of the support box of the present application;

[0021] Figure 2 is a perspective view of the support box of the present application from another angle;

[0022] Figure 3 is a perspective view of the present application with the support box removed;

[0023] Figure 4 is a top view of the present application; Figure 3

[0024] Figure 5 is a cross-sectional view of the present application at A-A; Figure 4

[0025] Figure 6 is a perspective view of the support box of the present application;

[0026] Figure 7 is a top view of the support box of the present application;

[0027] Figure 8 is a cross-sectional view of the present application at A-A; Figure 7

[0028] is a front view of the support box of the present application; Figure 9

[0029] is a cross-sectional view of the present application at D-D; Figure 10 Figure 9 is a perspective view of the support box of the present application;

[0030] Figure 11 Figure 10 is an enlarged view of A of the present application;

[0031] Figure 12 is an enlarged view of B of the present application; Figure 11

[0032] is an enlarged view of C of the present application; Figure 13 Figure 5 is an enlarged view of D of the present application.

[0033] Figure 14 Figure 2

[0034] Figure 15 Figure 8

[0035] ​​​​​​​​​1, shaking assembly, 2, driving assembly, 3, lifting assembly, 4, support box, 5, horizontal plate, 6, blanking port, 7, guide plate, 8, air cylinder, 9, horizontal support, 10, reinforcing plate, 11, arc-shaped support plate, 12, vertical plate, 13, arc-shaped convex strip, 14, flow groove, 101, arc-shaped sliding plate, 102, shock absorbing spring I, 21, tension unit, 22, reciprocating rotation unit, 23, pull rope I, 24, vertical partition plate, 25, connecting plate, 221, motor, 222, incomplete gear, 223, driven gear, 224, rope winding wheel, 211, mounting plate, 212, tension wheel, 213, telescopic rod, 214, tension spring, 215, tension sensor, 216, rope guide wheel, 217, fixed pulley I, 31, lifting plate, 32, load plate, 33, shock absorbing spring II, 34, limiting strip, 35, vertical rod, 36, pull rope II, 37, fixed pulley II, 38, conical spike, 39, avoiding port. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0037] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" 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 therefore cannot be understood as indicating or implying that the device or element 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.

[0038] As Figures 1-15As shown, the present invention discloses a tunnel construction anti-collapse support device, comprising an arc-shaped support plate 11, with vertical plates 12 fixedly connected to both ends of the arc-shaped support plate 11, and arc-shaped protrusions 13 fixedly provided at both ends of the top surface of the arc-shaped support plate 11. The top surface of the arc-shaped support plate 11 forms flow channels 14 communicating to both sides through the two sets of arc-shaped protrusions 13. It also includes two sets of support boxes 4, with horizontal plates 5 fixedly provided at the bottom of the vertical plates 12. The horizontal plates 5 are respectively located at the top of the two sets of support boxes 4. The support box 4 has a material discharge port 6 located on one side of the horizontal plate 5. It also includes a cylinder 8, which is fixedly installed inside the support box 4. The output shaft of the cylinder 8 slides through the top of the support box 4 and is fixedly connected to the bottom of the horizontal plate 5. It also includes a shaking component 1, which is installed inside the flow channel 14. The support box 4 has a drive component 2, which is connected to the shaking component 1. It also includes a lifting component 3, which is installed inside the support box 4 and connected to the horizontal plate 5.

[0039] The drive component 2 drives the shaking component 1 to work, which can shake the gravel that falls into the flow channel 14 during tunnel construction and slide it into the support box 4, preventing the gravel from accumulating on the arc support plate 11 and causing safety hazards. At the same time, the cylinder 8 drives the horizontal plate 5 to move, which in turn drives the lifting component 3 to work. The lifting component 3 can pull the gravel collected in the support box 4 upward, making it convenient for workers to remove the gravel.

[0040] like Figures 1-15 As shown, the shaking component 1 includes an arc-shaped sliding plate 101 and a shock-absorbing spring 102. The shock-absorbing spring 102 is fixedly distributed at the bottom of the flow channel 14. The arc-shaped sliding plate 101 is fixedly connected to the top of the shock-absorbing spring 102, and the side wall of the arc-shaped sliding plate 101 slides in contact with the arc-shaped protrusions 13 on both sides. The arc-shaped sliding plate 101 covers the flow channel 14.

[0041] Through the cooperation of the arc-shaped slide plate 101 and the damping spring 102, when the gravel falls on the arc-shaped slide plate 101, the impact force of the gravel can be reduced through the damping spring 102, the service life of the arc-shaped slide plate 101 is improved, the arc-shaped slide plate 101 is located inside the flow groove 14 and does not exceed the flow groove 14, and the gravel can slide along the top of the arc-shaped slide plate 101. In addition, it should be noted that the arc-shaped convex strip 13 is provided with an elastic rubber strip (not shown in the figure) on the side wall away from the flow groove 14, the height of the elastic rubber strip exceeds the arc-shaped convex strip 13, when the arc-shaped convex strip 13 contacts the tunnel top wall, the elastic rubber strip also contacts the top of the tunnel top wall, the elastic rubber strip is compressed to the side wall of the arc-shaped convex strip 13 away from the flow groove 14 under the action, when the arc-shaped convex strip 13 is separated from the tunnel top wall, the elastic rubber strip rebounds to the initial state at this time, at this time, the arc-shaped convex strip 13 and the flow groove 14 are surrounded by the elastic rubber strips on both sides, and the gravel generated when the arc-shaped convex strip 13 is separated from the tunnel top wall can slide along the arc-shaped convex strip 13, preventing the gravel from sliding from one side of the arc-shaped convex strip 13.

[0042] As shown in Figures 8-15 The driving assembly 2 includes a tension unit 21, a reciprocating rotation unit 22 and a pull rope 23. Two groups of vertical partitions 24 are fixedly arranged in the support box 4, and the two groups of vertical partitions 24 divide the support box 4 into a collection bin, a cylinder bin and a driving bin. The cylinder bin is located between the collection bin and the driving bin, the cylinder 8 is located in the cylinder bin, the dropping port 6 is located above the collection bin, the lifting assembly 3 is arranged in the collection bin, the driving assembly 2 is arranged in the driving bin, the reciprocating rotation unit 22 is arranged on the inner bottom wall of the driving bin, a connecting plate 25 is fixedly arranged between the upper and lower inner walls of the driving bin, the tension unit 21 is arranged on the connecting plate 25, one end of the pull rope 23 is connected with the reciprocating rotation unit 22, and the other end of the pull rope 23 passes through the tension unit 21 and then slides out from the top of the driving bin and is connected with the arc-shaped slide plate 101.

[0043] Through the cooperation of the driving assembly 2 and the shaking-off assembly 1, the reciprocating rotation unit 22 reciprocatingly pulls the pull rope 23, and then reciprocatingly pulls the arc-shaped slide plate 101, so as to cause the vibration of the arc-shaped slide plate 101, and then the gravel on the arc-shaped slide plate 101 can be shaken off. Through the arrangement of the tension unit 21, the pull rope 23 can be pre-tightened, so that the pull rope 23 is in a tense state.

[0044] As shown in Figures 8-15As shown, the reciprocating rotation unit 22 includes a motor 221, an incomplete gear 222, a driven gear 223 and a rope winding wheel 224, the motor 221 is fixedly arranged on the bottom wall of the driving chamber, the incomplete gear 222 is fixedly arranged on the output shaft of the motor 221, the driven gear 223 is horizontally connected with a center shaft one, one end of the center shaft one is rotatably arranged on the inner wall of one side of the driving chamber through a bearing, the other end of the center shaft one is rotatably arranged on the vertical partition plate 24 near one side of the driving chamber through a bearing, the driven gear 223 is intermittently engaged with the incomplete gear 222, the rope winding wheel 224 is fixedly arranged on the center shaft one, and one end of the pull rope one 23 is fixedly connected with the rope winding wheel 224.

[0045] As shown in Figures 8-15 , the tension unit 21 includes a mounting plate 211, a tension wheel 212, an extension rod 213, a tension spring 214 and a tension sensor 215, the extension rod 213 is symmetrically fixedly arranged on the connecting plate 25, the mounting plate 211 is fixedly arranged on one end of the extension rod 213 away from the connecting plate 25, the tension sensor 215 is fixedly arranged on the connecting plate 25 and located between the two groups of extension rods 213, one end of the tension spring 214 is fixedly connected with one end of the tension sensor 215, the other end of the tension spring 214 is fixedly connected with the mounting plate 211, the tension wheel 212 is rotatably arranged on the mounting plate 211, and the tension unit 21 further includes a guide rope wheel 216, the guide rope wheel 216 is horizontally connected with a center shaft two, one end of the center shaft two is rotatably arranged on the inner wall of one side of the driving chamber through a bearing, the other end of the center shaft two is rotatably arranged on the vertical partition plate 24 near one side of the driving chamber through a bearing, the guide rope wheel 216 is located directly above the rope winding wheel 224 and obliquely above the tension wheel 212, and the other end of the pull rope one 23 sequentially passes the tension wheel 212 and the guide rope wheel 216 and then slides out from the top of the driving chamber and is fixedly connected with the inner wall of the arc-shaped sliding plate 101.

[0046] The reciprocating rotation unit 22 can drive the rope winding wheel 224 to intermittently rotate, thereby intermittently pulling the pull rope one 23, the motor 221 is controlled by an external controller, the motor 221 will stop after being started for a period of time each time, until the value of the tension sensor 215 returns to the initial state value, at this time, it indicates that the gravel on the arc-shaped sliding plate 101 has been completely cleaned.

[0047] As shown in Figures 1-3 , Figure 13 , two vertical plates 12 are fixedly provided with a horizontal support 9, two side fixed pulleys one 217 are mounted on the top of the horizontal support 9, the pull rope one 23 slides out from the top of the driving chamber, penetrates through the horizontal support 9 and the arc-shaped support plate 11 and passes around the side fixed pulley one 217, and the horizontal support 9 and the arc-shaped support plate 11 are fixedly provided with a reinforcing plate 10.

[0048] Through the horizontal support 9 and the reinforcing plate 10, the support strength of the vertical plate 12 and the arc-shaped supporting plate 11 can be increased, and the risk of stress deformation of the vertical plate 12 and the arc-shaped supporting plate 11 can be reduced.

[0049] As shown in Figure 6 , Figure 7 , Figure 8 , Figure 15 , the lifting assembly 3 comprises a lifting plate 31, a load plate 32 and a second damping spring 33, the lifting plate 31 is slidably arranged in the collecting bin, the second damping spring 33 is fixedly arranged on the top of the lifting plate 31, the load plate 32 is fixedly arranged at the top end of the second damping spring 33, and the load plate 32 is slidably arranged in the collecting bin, a limiting strip 34 is fixedly arranged on the inner wall of the left and right sides of the inner wall of the collecting bin, the lifting plate 31 and the load plate 32 are slidably clamped with the limiting strip 34, a vertical rod 35 is fixedly arranged at the bottom of the horizontal plate 5, and the vertical rod 35 slidably penetrates the top of the air cylinder bin, the bottom end of the vertical rod 35 is fixedly connected with a second pull rope 36, the other end of the second pull rope 36 slidably penetrates the top of the air cylinder bin and extends into the collecting bin, and the second pull rope 36 slidably penetrates the load plate 32 and is fixedly connected with the lifting plate 31.

[0050] As shown in Figure 2 , Figure 8 , Figure 11 , Figure 15 , the bottom of the lifting plate 31 is also fixedly provided with a conical spike 38, and the bottom of the collecting bin is provided with an avoiding opening 39 through which the conical spike 38 penetrates.

[0051] Through the cooperation between the lifting assembly 3, the horizontal plate 5, the vertical rod 35, the second pull rope 36 and the air cylinder 8, when the air cylinder 8 drives the horizontal plate 5 to rise, the vertical rod 35 is driven to rise, at this time, the second pull rope 36 is released, under the action of gravity, the lifting plate 31 and the load plate 32 move downward, and the conical spike 38 penetrates the avoiding opening 39 and inserts into the ground, thereby increasing the stability of the support box 4; when the air cylinder 8 drives the horizontal plate 5 to descend, the vertical rod 35 is driven to descend, at this time, the second pull rope 36 is pulled downward, under the pulling of the second pull rope 36, the lifting plate 31 and the load plate 32 move upward, so that the gravel on the load plate 32 can be close to the discharging opening 6, thereby facilitating the staff to move the gravel out of the collecting bin.

[0052] As shown in Figures 6-15 , the top of the support box 4 is provided with a second fixed pulley 37, the second fixed pulley 37 is located on one side of the discharging opening 6, and the second pull rope 36 slidably penetrates the top of the air cylinder bin and passes around the second fixed pulley 37, through the arrangement of the second fixed pulley 37, the second pull rope 36 is facilitated to enter the collecting bin, and the friction between the second pull rope 36 and the top of the support box 4 is reduced.

[0053] As shown in Figures 1-5As shown, the vertical plate 12 side wall is fixed with a guide plate 7, the guide plate 7 is inclined, and the bottom end extends above the material falling port 6. The guide plate 7 is arranged to guide the gravel into the collection bin. In order to reduce noise, a sponge pad (not shown in the figure) is laid on the top of the guide plate 7 to buffer and absorb the falling gravel.

[0054] In specific use, the horizontal plate 5, the vertical plate 12, the arc-shaped supporting plate 11 and the arc-shaped convex strip 13 are driven to rise by starting the air cylinder 8. The arc-shaped convex strip 13 abuts against the top of the tunnel, the arc-shaped supporting plate 11 provides overall support for the top, the arc-shaped convex strip 13 provides partial support for the top of the tunnel, the horizontal support 9 and the reinforcing plate 10 increase the support strength of the arc-shaped supporting plate 11, the chute 14 is used to collect the gravel generated during construction and slide down from both sides to avoid injuring workers and eliminate safety hazards, thereby ensuring construction safety.

[0055] When the air cylinder 8 drives the horizontal plate 5 to rise, the vertical rod 35 is also driven to rise. At this time, the pull rope 36 is released, and under the action of gravity, the lifting plate 31 and the load plate 32 move downward, and the conical spike 38 penetrates through the avoiding port 39 and inserts into the ground to increase the stability of the supporting box 4.

[0056] When the tunnel top produces the gravel stuck between the chute 14 and the tunnel top, at this time, due to the weight of the gravel, the arc-shaped slide plate 101 is driven to move downward, the damping spring 102 is compressed, when the arc-shaped slide plate 101 moves downward, the pull rope 23 is driven to move downward under the action of the tension of the tension spring 214 on the tension unit 21, at this time, the tension spring 214 is contracted (the initial state of the tension spring 214 is in the tension state), at this time, the tension value of the tension sensor 215 changes, the tension sensor 215 transmits the converted electrical signal to the external controller, the external controller controls the motor 221 to start, the motor 221 drives the incomplete gear 222 to rotate, and then drives the driven gear 223 to rotate, and then drives the winding rope wheel 224 to rotate to wind the pull rope 23, at this time, the pull rope 23 is pulled, and then drives the arc-shaped slide plate 101 to move downward, the damping spring 102 is continuously compressed, and the tension spring 214 is stretched, at this time, the space between the arc-shaped slide plate 101 and the tunnel top is increased, at this time, the gravel falls downward due to the increased space, when the incomplete gear 222 and the driven gear 223 are separated, under the rebound action of the damping spring 102 and the tension spring 214, the arc-shaped slide plate 101 rebounds upward rapidly, the arc-shaped slide plate 101 vibrates, and the gravel on the arc-shaped slide plate 101 is shaken off, the motor 221 stops for a period of time each time until the value of the tension sensor 215 returns to the initial state value, at this time, it indicates that the gravel on the arc-shaped slide plate 101 has been cleaned up; The gravel falling from the chute 14 passes through the guide plate 7 into the collection bin and falls on the load plate 32, and the damping spring 33 is arranged to reduce the impact force of the gravel on the load plate 32 and improve the service life of the load plate 32.

[0057] When the cylinder 8 drives the horizontal plate 5 to descend, the vertical rod 35 is driven to descend, at this time, the pull rope 36 is pulled downward, under the pulling of the pull rope 36, the lifting plate 31 and the load plate 32 move upward, so that the gravel on the load plate 32 can be close to the material falling port 6, facilitating the staff to move the gravel out of the collection bin.

[0058] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0059] The foregoing merely illustrates the principles of the application and application of its leading features. This application is not limited to the illustrative embodiments shown and described herein. Rather, this application is capable of operating within a further range of conditions and environments than those specifically described herein, and further modifications can be made without departing from the spirit or scope of the application. Accordingly, the description is to be construed as illustrative only and not restrictive of the broad disclosure or application of the application. The specification and drawings are, accordingly, to be regarded simply as illustrative and with the scope of the application being measured by the appended claims, and not with the specification. No admission is made that any reference constitutes prior art. It is my intent, therefore, to be limited only as appears in the following claims.

[0060] Furthermore, it should be understood that although the description above relates to embodiments, not every embodiment contains only one independent technical solution, and the description above is only for the sake of clarity, and those skilled in the art should understand the description as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

Claims

1. A tunnel construction anti-collapse support device, characterized in that: The system includes an arc-shaped support plate (11), with vertical plates (12) fixed to both ends of the arc-shaped support plate (11). Arc-shaped protrusions (13) are fixed to both ends of the top surface of the arc-shaped support plate (11). The top surface of the arc-shaped support plate (11) forms a flow channel (14) that connects to both sides through the two sets of arc-shaped protrusions (13). The system also includes two sets of support boxes (4). A horizontal plate (5) is fixed to the bottom of the vertical plate (12). The horizontal plate (5) is located on the top of the two sets of support boxes (4). A material discharge port (6) is opened on the top of the support box (4). (6) Located on one side of the horizontal plate (5), it also includes a cylinder (8), which is fixedly installed in the support box (4). The output shaft of the cylinder (8) slides through the top of the support box (4) and is fixedly connected to the bottom of the horizontal plate (5). It also includes a shaking component (1), which is installed in the flow channel (14). The support box (4) is equipped with a drive component (2), which is connected to the shaking component (1). It also includes a lifting component (3), which is installed in the support box (4) and connected to the horizontal plate (5). The shaking component (1) includes an arc-shaped sliding plate (101) and a shock-absorbing spring (102). The shock-absorbing spring (102) is fixedly distributed at the bottom of the flow channel (14). The arc-shaped sliding plate (101) is fixedly connected to the top of the shock-absorbing spring (102), and the side wall of the arc-shaped sliding plate (101) slides in contact with the arc-shaped protrusions (13) on both sides. The arc-shaped sliding plate (101) covers the flow channel (14). The drive assembly (2) includes a tension unit (21), a reciprocating rotation unit (22), and a pull rope (23). Two sets of vertical partitions (24) are fixedly installed inside the support box (4). The two sets of vertical partitions (24) divide the support box (4) into a collection chamber, a cylinder chamber, and a drive chamber. The cylinder chamber is located between the collection chamber and the drive chamber. The cylinder (8) is located inside the cylinder chamber. The discharge port (6) is located above the collection chamber. The lifting assembly (3) is located inside the collection chamber. The drive assembly (2) is located inside the drive chamber. The reciprocating rotation unit (22) is located on the bottom wall inside the drive chamber. A connecting plate (25) is fixedly installed between the upper and lower inner walls of the drive chamber. One end of the pull rope (23) is connected to the reciprocating rotation unit (22). The tension unit (21) includes a mounting plate (211), a tension wheel (212), a telescopic rod (213), a tension spring (214), and a tension sensor (215). The telescopic rods (213) are symmetrically fixed on the connecting plate (25). The mounting plate (211) is fixed at the end of the telescopic rods (213) away from the connecting plate (25). The tension sensor (215) is fixed on the connecting plate (25) and located between the two sets of telescopic rods (213). One end of the spring (214) is fixedly connected to one end of the tension sensor (215), and the other end of the tension spring (214) is fixedly connected to the mounting plate (211). The tension wheel (212) is rotatably mounted on the mounting plate (211). The tension unit (21) also includes a guide wheel (216). The other end of the first pull rope (23) passes around the tension wheel (212) and the guide wheel (216) in sequence and slides out from the top of the drive compartment and is fixedly connected to the inner wall of the arc-shaped slide plate (101).

2. The tunnel construction anti-collapse support device according to claim 1, characterized in that: The reciprocating rotation unit (22) includes a motor (221), an incomplete gear (222), a driven gear (223), and a rope reel (224). The motor (221) is fixedly mounted on the bottom wall of the inner wall of the drive chamber. The incomplete gear (222) is fixedly mounted on the output shaft of the motor (221). A central shaft is horizontally connected to the center of the driven gear (223). One end of the central shaft is rotatably mounted on the inner wall of one side of the drive chamber through a bearing. The other end of the central shaft is rotatably mounted on a vertical partition (24) near the drive chamber through a bearing. The driven gear (223) intermittently meshes with the incomplete gear (222). The rope reel (224) is fixedly mounted on the central shaft. One end of the pull rope (23) is fixedly connected to the rope reel (224).

3. The tunnel construction anti-collapse support device according to claim 2, characterized in that: The guide rope wheel (216) is horizontally connected to a central shaft II. One end of the central shaft II is rotatably mounted on the inner wall of the drive chamber via a bearing, and the other end of the central shaft II is rotatably mounted on a vertical partition (24) near the drive chamber via a bearing. The guide rope wheel (216) is located directly above the winding rope wheel (224) and diagonally above the tension wheel (212).

4. A tunnel construction anti-collapse support device according to any one of claims 1-3, characterized in that: A horizontal support (9) is fixed between the two sets of vertical plates (12). A fixed pulley (217) is installed on both sides of the top of the horizontal support (9). The pull rope (23) slides out from the top of the drive compartment, slides through the horizontal support (9) and the arc-shaped support plate (11), and passes around the fixed pulley (217). A reinforcing plate (10) is fixed between the horizontal support (9) and the arc-shaped support plate (11).

5. The tunnel construction anti-collapse support device according to claim 1, characterized in that: The lifting assembly (3) includes a lifting plate (31), a load plate (32), and a second shock-absorbing spring (33). The lifting plate (31) slides up and down in the collection chamber. The second shock-absorbing spring (33) is fixedly distributed on the top of the lifting plate (31). The load plate (32) is fixedly placed on the top of the second shock-absorbing spring (33) and slides up and down in the collection chamber. Limiting strips (34) are fixedly provided on the inner walls of the left and right sides of the inner wall of the collection chamber. The lifting plate (31) and the load plate (32) are both slidably engaged with the limiting strips (34). A vertical rod (35) is fixedly provided at the bottom of the horizontal plate (5), and the vertical rod (35) slides through the top of the cylinder chamber. A second pull rope (36) is fixedly connected to the bottom end of the vertical rod (35). The other end of the second pull rope (36) slides through the top of the cylinder chamber and extends into the collection chamber, and slides through the load plate (32) and is fixedly connected to the lifting plate (31).

6. The tunnel construction anti-collapse support device according to claim 5, characterized in that: The support box (4) is equipped with a fixed pulley two (37) on the top. The fixed pulley two (37) is located on one side of the material discharge port (6). The pull rope two (36) slides through the top of the cylinder chamber and then passes around the fixed pulley two (37).

7. A tunnel construction anti-collapse support device according to claim 5, characterized in that: The bottom of the lifting plate (31) is also fixed with a spike (38), and the bottom of the collection chamber is provided with a clearance opening (39) for the spike (38) to pass through.

8. A tunnel construction anti-collapse support device according to claim 6, characterized in that: A guide plate (7) is fixedly provided on the side wall of the vertical plate (12). The guide plate (7) is inclined and its bottom end extends above the discharge port (6).

Citation Information

Patent Citations

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