Tunnel arch stabilizing mechanism

Abstract

The utility model relates to a tunnel arch stabilizing mechanism, which belongs to the technical field of tunnel construction and comprises a machine body, and a stabilizing support component is arranged outside the machine body. The stable supporting assembly comprises threaded sleeves fixedly connected to the left side and the right side of the machine body, drill rods are in threaded connection with the interiors of the threaded sleeves, a rotating disc is fixedly connected to the tops of the drill rods, an air bag is fixedly connected to the top of a mounting plate, and an air pump is fixedly mounted on the right side of the machine body. And an air outlet of the air pump is fixedly provided with a telescopic pipeline. According to the tunnel arch stabilizing mechanism, by arranging the stabilizing supporting assembly, compared with an existing stabilizing mechanism, the machine body stabilizing function and the radian application function are achieved, the stability of a machine body can be effectively guaranteed in the actual use process, the probability of toppling is reduced, and the tunnel arch stabilizing mechanism can be suitable for tunnel arch inner walls with different radians; and the method has good applicability, so that the construction requirements are better met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel construction technical field, concretely is a tunnel arch stable mechanism. BACKGROUND

[0002] The design and construction of tunnel arch have a long history, especially in ancient Rome, Romans use concrete technology and arch structure to build a large number of waterway, road and city wall etc., tunnel arch, the structure part of tunnel portal, arch structure can effectively transmit ground pressure to both sides of tunnel, improve the stability of structure, reduce the risk of collapse, and arch tunnel is relatively easy to excavate and support, and the construction technology is mature.

[0003] The stable mechanism needs to be used in the tunnel arch construction process to support the tunnel arch, and the existing stable mechanism can support the inner wall of the tunnel arch by using the arc-shaped plate.

[0004] However, when supporting the tunnel arch, the machine body needs to maintain a stable state to support for a long time, and the existing stable mechanism does not have the machine body stability function and the arc applicability function, so that the machine body stability cannot be guaranteed in actual use, and it cannot be applied to the inner wall of the tunnel arch with different arcs, so that the machine body is prone to fall, and the construction demand cannot be met, so a tunnel arch stable mechanism is proposed to solve the problems in the prior art. UTILITY MODEL CONTENTS

[0005] In view of the defects of the prior art, the utility model provides a tunnel arch stable mechanism, which solves the problems that the existing stable mechanism does not have the machine body stability function and the arc applicability function, so that the machine body stability cannot be guaranteed in actual use, and it cannot be applied to the inner wall of the tunnel arch with different arcs, so that the machine body is prone to fall, and the construction demand cannot be met.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a tunnel arch stable mechanism, comprising a machine body, a stable support assembly is arranged outside the machine body;

[0007] The stable support assembly comprises a threaded sleeve fixedly connected to the left and right sides of the machine body, a drill rod is screw-connected in the threaded sleeve, a rotary table is fixedly connected to the top of the drill rod, a hydraulic cylinder is fixedly connected to the inner bottom wall of the machine body, an elevating platform is fixedly connected to the output shaft of the hydraulic cylinder, a support column is fixedly connected to the periphery of the top of the elevating platform, an installation plate is fixedly connected to the top of the support column, an air bag is fixedly connected to the top of the installation plate, a gas pump is fixedly installed on the right side of the machine body, and a flexible pipeline is fixedly installed on the gas outlet of the gas pump.

[0008] Further, the telescopic pipe is connected with the air bag, and a rubber pad is bonded to the top of the air bag.

[0009] Further, the inside of the body is fixedly connected with a limiting rod, and the lifting platform is slidably connected with the limiting rod.

[0010] Further, a purification box is fixedly installed on the left side of the body, a fan is fixedly installed on the top of the purification box, and an air pipe is fixedly connected with the air outlet of the fan.

[0011] Further, the air pipe is connected with the purification box, guide rails are fixedly connected with the left and right inner walls of the purification box, and activated carbon filter plates for purifying air are slidably connected with the inner sides of the guide rails.

[0012] Further, an exhaust pipe is fixedly connected with the left side of the purification box, and a sealing door is hingedly connected with the front of the purification box.

[0013] Further, rolling wheels are rotatably connected with the periphery of the bottom of the body, and a push handle is fixedly connected with the front of the body.

[0014] Compared with the prior art, the technical scheme has the following beneficial effects:

[0015] The tunnel arch stabilizing mechanism, by setting the stabilizing support assembly, when in use, the staff only needs to rotate the rotating disc clockwise, so that the drill rod is rotated clockwise and vertically moved downwards in the threaded sleeve, so that the tip of the drill rod breaks the soil layer to be fixed, thereby ensuring the stability of the body, then, the hydraulic cylinder is started, so that the lifting platform, the supporting column and the mounting plate are cooperated to continuously move the air bag upwards, so that the air bag approaches the inner wall of the tunnel arch, then, the air pump is started, so that the air is continuously injected into the air bag through the telescopic pipe, so that the air bag is inflated to support the inner wall of the tunnel arch with different radii, thereby compared with the existing stabilizing mechanism, the body stability function and the radius applicability function are realized, the stability of the body can be effectively ensured in actual use, so that the probability of falling is reduced, and the inner wall of the tunnel arch with different radii can be applied, which has good applicability, thereby better meeting the construction requirements. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a sectional view of the utility model structure;

[0017] Figure 2 It is the utility model Figure 1 The enlarged structure schematic view of A shown in the utility model;

[0018] Figure 3 It is a structure perspective view of the threaded sleeve of the utility model;

[0019] Figure 4The utility model discloses a structure front view.

[0020] In the drawing: 1 body, 2 threaded sleeve, 3 drill rod, 4 turntable, 5 hydraulic cylinder, 6 lifting platform, 7 support column, 8 mounting plate, 9 air bag, 10 air pump, 11 air pump, 12 rubber pad, 13 limit rod, 14 purification tank, 15 fan, 16 air pipe, 17 guide rail, 18 activated carbon filter plate, 19 exhaust pipe, 20 sealing door, 21 roller, 22 push handle. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described 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, not 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 belong to the range protected by the utility model.

[0022] Please refer to Figures 1 to 4 The tunnel archway stabilizing mechanism in the embodiment comprises a body 1, and a stabilizing and supporting assembly is arranged outside the body 1.

[0023] The stabilizing and supporting assembly comprises threaded sleeves 2 fixedly connected to the left and right sides of the body 1, drill rods 3 threadedly connected to the interiors of the threaded sleeves 2, turntables 4 fixedly connected to the top portions of the drill rods 3, hydraulic cylinders 5 fixedly connected to the inner bottom walls of the body 1, lifting platforms 6 fixedly connected to the output shafts of the hydraulic cylinders 5, support columns 7 fixedly connected to the periphery of the top portion of the lifting platform 6, mounting plates 8 fixedly connected to the top portions of the support columns 7, air bags 9 fixedly connected to the top portions of the mounting plates 8, an air pump 10 fixedly installed at the right side of the body 1, an extension pipe 11 fixedly installed at the gas outlet of the air pump 10, and the air bag 9 is continuously moved upwards by the cooperation of the lifting platform 6, the support column 7 and the mounting plate 8, so that the air bag 9 is close to the inner wall of the tunnel archway, then the air pump 10 is started, the air pump 10 is started, and the air bag 9 is continuously injected with gas inside through the extension pipe 11, so that the air bag 9 is inflated to support the inner wall of the tunnel archway with different radian.

[0024] Then, the hydraulic cylinder 5 is started, the air bag 9 is continuously moved upwards by the cooperation of the lifting platform 6, the support column 7 and the mounting plate 8, so that the air bag 9 is close to the inner wall of the tunnel archway, then the air pump 10 is started, the air pump 10 is started, and the air bag 9 is continuously injected with gas inside through the extension pipe 11, so that the air bag 9 is inflated to support the inner wall of the tunnel archway with different radian.

[0025] Further, compared with the existing stabilizing mechanism, the body 1 realizes the functions of stability and arc applicability, can effectively ensure the stability of the body 1 in actual use, reduces the probability of tipping over, and can be applied to the inner wall of a tunnel arch with different arcs, has good applicability, and better meets the construction requirements.

[0026] It should be noted that the telescopic pipeline 11 is connected with the air bag 9, and the top of the air bag 9 is bonded with a rubber pad 12. By arranging the rubber pad 12, the separation effect can be achieved when the top of the air bag 9 contacts the inner wall of the tunnel arch, thereby reducing the probability of the air bag 9 being torn by the gravel, and improving the service life.

[0027] It should be understood that, in use, the air bag 9 can withstand a large pressure and weight, mainly because it is filled with compressed air, and the compressibility of air is used to realize the elastic effect.

[0028] It should be noted that the telescopic pipeline 11 has good extensibility and can withstand the pulling of the air bag 9 during lifting and expansion, thereby ensuring the delivery of gas.

[0029] Meanwhile, the body 1 is fixedly connected with a limiting rod 13 inside, and the lifting platform 6 is slidingly connected with the limiting rod 13, so that the limiting rod 13 can improve the lifting stability of the lifting platform 6.

[0030] The left side of the body 1 is fixedly installed with a purification box 14, the top of the purification box 14 is fixedly installed with a fan 15, the air outlet of the fan 15 is fixedly connected with an air pipe 16, the air pipe 16 is connected with the purification box 14, the left and right sides of the inner wall of the purification box 14 are fixedly connected with guide rails 17, the inner side of the guide rails 17 is slidingly connected with activated carbon filter plates 18 for purifying air, the left side of the purification box 14 is fixedly connected with an exhaust pipe 19, and the front of the purification box 14 is hingedly connected with a sealing door 20. Through the cooperation of the purification box 14, the fan 15, the air pipe 16, the activated carbon filter plates 18 and the exhaust pipe 19, the air filtering function is realized, the dirty air in the tunnel environment can be filtered and purified in real time, the air cleanliness in the construction environment is ensured, and the lung health of the workers is protected.

[0031] In addition, by arranging the guide rails 17 and the sealing door 20, after the filter material inside the activated carbon filter plates 18 fails after a long period of use, the workers only need to open the sealing door 20 to pull out the activated carbon filter plates 18 inside the guide rails 17 for replacement, which is more convenient.

[0032] It should be understood that the body 1 is rotatably connected with rollers 21 around the bottom, and the front of the body 1 is fixedly connected with a push handle 22.

[0033] The working principle of the above embodiment is as follows:

[0034] In use, the worker first needs to push the machine body 1 to the designated construction area through the cooperation of the roller 21 and the push hand 22, after reaching, the worker needs to rotate the rotating disc 4 clockwise to make the drill rod 3 rotate clockwise and move vertically downwards in the threaded sleeve 2, so that the tip of the drill rod 3 breaks the soil layer to fix and ensure the stability of the machine body 1, then start the hydraulic cylinder 5, and through the cooperation of the lifting platform 6, the supporting column 7 and the mounting plate 8, the air bag 9 is continuously moved upwards, so that the air bag 9 is close to the inner wall of the tunnel arch, when the top of the air bag 9 is close to the inner wall of the tunnel arch, the air pump 10 is started, and the air is continuously injected into the air bag 9 through the telescopic pipeline 11, so that the air bag 9 is inflated, thereby supporting the inner wall of the tunnel arch for a long time, so as to support the tunnel arch and facilitate the worker to construct.

[0035] The mounting mode, connection mode or setting mode disclosed in the embodiment are all common mechanical connection modes, and as long as the beneficial effects can be achieved, the implementation can be carried out, in addition, the electrical elements appearing in the embodiment are all electrically connected with the master controller and the power supply, the master controller can be a conventional known device such as a computer which plays a control role, and the control of the electrical elements can be realized by simple programming by the person skilled in the art, and the existing disclosed power connection technology also belongs to the common knowledge in the art, so the specific structure composition and working principle thereof will not be described in detail.

[0036] It should be noted that, in this document, the terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is 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 device 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 device. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or device including the element.

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

Claims

1. A tunnel portal stabilisation mechanism comprising a body (1) characterised in that: The outside of the machine body (1) is provided with a stable support assembly; The stable support assembly comprises a threaded sleeve (2) fixedly connected to the left and right sides of the machine body (1), a drill rod (3) threadedly connected to the inside of the threaded sleeve (2), a turntable (4) fixedly connected to the top of the drill rod (3), a hydraulic cylinder (5) fixedly connected to the inner bottom wall of the machine body (1), a lifting platform (6) fixedly connected to the output shaft of the hydraulic cylinder (5), a support column (7) fixedly connected to the top of the lifting platform (6), an installation plate (8) fixedly connected to the top of the support column (7), an air bag (9) fixedly connected to the top of the installation plate (8), and an air pump (10) fixedly installed on the right side of the machine body (1), wherein the air outlet of the air pump (10) is fixedly installed with a telescopic pipeline (11).

2. A tunnel portal stabilizing mechanism according to claim 1, wherein: The telescopic pipeline (11) is connected to the air bag (9), and the top of the air bag (9) is bonded with a rubber pad (12).

3. A tunnel portal stabilizing mechanism according to claim 1, wherein: The inside of the machine body (1) is fixedly connected with a limiting rod (13), and the lifting platform (6) is slidingly connected with the limiting rod (13).

4. A tunnel portal stabilizing mechanism according to claim 1, wherein: The left side of the machine body (1) is fixedly installed with a purification box (14), the top of the purification box (14) is fixedly installed with a fan (15), and the air outlet of the fan (15) is fixedly connected with an air pipe (16).

5. A tunnel portal stabilizing mechanism according to claim 4, wherein: The air pipe (16) is connected to the purification box (14), the left and right sides of the inner wall of the purification box (14) are fixedly connected with guide rails (17), and the inner side of the guide rails (17) is slidingly connected with activated carbon filter plates (18) for purifying air.

6. A tunnel portal stabilizing mechanism according to claim 4, wherein: The left side of the purification box (14) is fixedly connected with an exhaust pipe (19), and the front of the purification box (14) is hingedly connected with a sealing door (20).

7. A tunnel portal stabilizing mechanism according to claim 1, wherein: The bottom of the machine body (1) is rotatably connected with a roller (21), and the front of the machine body (1) is fixedly connected with a push handle (22).

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