Steel arch installer

Abstract

The utility model belongs to the field of steel arch mounting, and particularly relates to a steel arch mounting device which comprises a main beam, and a pair of rails is mounted at the top of the main beam. A crane is in sliding fit with the top of the track; steel frameworks are symmetrically arranged in the middle of the travelling crane; the steel framework and the travelling crane are connected through welding; the steel framework is formed by welding four pieces of H-shaped steel, and a pair of diagonal bracing steel pipes are arranged in the steel framework; a mounting seat is arranged in the middle of the steel framework through welding; a pair of mounting seats is also arranged at the top of the travelling crane; a piece of H-shaped steel is welded between the pair of mounting seats located at the top of the travelling crane; the mounting seat is formed by splicing and welding a pair of H-shaped steel; an oil cylinder is mounted in the mounting seat; through the arrangement of the structure, mechanization and automation of steel arch mounting are achieved, the workload and time of manual operation are greatly reduced, the mounting efficiency is improved, and the tunnel construction progress is accelerated.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel arch installation field, concretely is a kind of steel arch installation device. BACKGROUND

[0002] TBM, tunnel boring machine, is a kind of factoryization assembly line tunnel construction equipment, which integrates machine, electricity, hydraulic pressure, fluid, information, control and other technologies. It is mainly used for tunnel boring in rock stratum, and realizes one-time forming of tunnel full section by rotating and advancing cutterhead, and breaking rock by disc-shaped cutter. TBM construction method has the advantages of fast speed, good quality, high safety and environmental protection, and is particularly suitable for mountain tunnel crossing engineering with high time limit and long distance.

[0003] Steel arch is an important supporting structure in tunnel construction, mainly used for enhancing the stability and bearing capacity of tunnel. It is usually made of profile steel, and is processed into ring or arc structure according to the section size of tunnel and design requirements. Steel arch should be installed according to design position to ensure that it is perpendicular to tunnel axis, and installation deviation should be within the allowable range.

[0004] In construction and observation, it is found that in traditional TBM construction, a large amount of manpower and time are needed to complete the jacking operation, which will cause the problems of inconvenient operation and low efficiency in steel arch installation process.

[0005] Therefore, a steel arch installation device is proposed to solve the above problems. CONTENT OF UTILITY MODEL

[0006] In order to make up for the deficiencies of prior art and solve at least one technical problem proposed in background art.

[0007] The utility model solves the technical scheme that the utility model discloses a kind of steel arch installation device, including main girder, a pair of tracks is installed at the top of the main girder;The trolley is slidably matched at the top of the track;Symmetrical steel frame is equipped in the trolley middle part;The steel frame and trolley are connected by welding;The steel frame is welded by four H-shaped steels, and a pair of inclined brace steel pipes are arranged in the inside;Mounting seat is arranged in the middle part of the steel frame by welding;The trolley top is also equipped with a pair of mounting seats;A H-shaped steel is welded between the pair of mounting seats located in the trolley top;The mounting seat is welded by a pair of H-shaped steels;Oil cylinder is installed in the mounting seat;Support is fixedly connected to the output end of the oil cylinder;The inner wall of the support is provided with a clamping groove;Steel arch is arranged on the outside of the main girder;Through the above structure, the mechanization and automation of steel arch installation are realized, the workload and time of manual operation are greatly reduced, the installation efficiency is improved, and the tunnel construction progress is accelerated.

[0008] Preferably, the middle part of the steel frame is fixed with a plurality of round steels by welding; the round steels are equidistantly arranged; the round steels are located between the main beam and the steel frame; by arranging the round steels, the round steels will first rub against the main beam than the steel frame, thereby reducing the abrasion of the steel frame.

[0009] Preferably, one side of the mounting seat is connected with a sealing plate through bolts; the sealing plate and the output end of the oil cylinder are throughly arranged and are in sliding connection; by arranging the sealing plate, the sealing plate can seal the internal cavity of the mounting seat, further reducing the entry of moisture into the internal cavity of the mounting seat in the construction environment, reducing the corrosion and drying effect of the moisture on the oil cylinder during operation, and simultaneously, since the sealing plate and the mounting seat are connected through bolts, the sealing plate can be conveniently removed from the surface of the mounting seat.

[0010] Preferably, the inner wall of the sealing plate is fixed with a plurality of drying boxes; the surface of the drying box is provided with a plurality of holes; by arranging the drying box, the drying box is internally provided with a wax block, and the wax block can absorb the original moisture in the internal cavity of the mounting seat through the round holes, thereby improving the dryness of the working environment of the oil cylinder and further reducing the interference of the moisture on the oil cylinder during operation.

[0011] Preferably, a plurality of connecting rods are symmetrically fixed to the middle part of the steel frame; the end portion of the connecting rod is provided with a plurality of rolling balls; the rolling balls are in contact with the outer wall of the main beam; by the cooperation of the connecting rod and the rolling ball, when the steel frame moves with the travelling crane, the rolling ball will also come into contact with the outer wall of the main beam, thereby reducing the abrasion between the steel frame and the main beam due to friction, and simultaneously, the steel frame on both sides can also be additionally supported when the travelling crane moves, thereby reducing the stress on the travelling crane due to the self-weight of the steel frame.

[0012] Preferably, a damping spring shock absorber is fixed to the end portion of the connecting rod; the damping spring shock absorber is located between the rolling ball and the connecting rod; the rolling ball and the damping spring shock absorber are in rotary connection; by arranging the damping spring shock absorber, the rolling ball will tightly adhere to the outer wall of the main beam under the action of the spring in the damping spring shock absorber, and simultaneously, the damping rod in the damping spring shock absorber can also absorb the pressure between the rolling ball and the main beam due to extrusion when encountering uneven places on the outer wall of the main beam, thereby reducing the extrusion effect of the main beam on the steel frame transmitted by the rolling ball.

[0013] The utility model discloses a beneficial effect lies in:

[0014] 1. The utility model relates to a steel arch mounting device,

[0015] By arranging the track, the device can be quickly and accurately moved to the specified position according to the progress of the tunnel construction and the installation position requirement of the steel arch, realize the steel arch installation operation at different positions, greatly improve the installation efficiency, and reduce the time waste in the construction process.

[0016] Through the installation base, the protection effect can be achieved when the oil cylinder is used, the direct contact between the oil cylinder and the complex construction environment is reduced, and the service life of the oil cylinder is prolonged.

[0017] Through the cooperation of the oil cylinder and the jacking support, stable outward jacking force can be provided for the steel arch installation, the jacking height and force can be accurately controlled according to actual conditions, the steel arch can be accurately installed to the designed position, and the installation precision and quality are guaranteed.

[0018] Through the clamping groove, the steel arch can stably rotate along the device direction during rotation, and the problems of deviation and shaking during the rotation of the steel arch are effectively solved, the installation angle and position of the steel arch meet the design requirements, and the installation accuracy and reliability are further improved.

[0019] Through the above structure, the mechanization and automation of the steel arch installation are realized, the workload and time of manual operation are greatly reduced, the installation efficiency is improved, and the tunnel construction progress is accelerated.

[0020] 2. The steel arch installation device, through the round steel, the round steel will first rub against the main beam than the steel frame, reducing the wear of the steel frame. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.

[0022] Figure 1 It is a schematic view of the main body of the present application;

[0023] Figure 2 It is a structural schematic view of the steel frame in the present application;

[0024] Figure 3 It is a structural schematic view of the installation base in the present application;

[0025] Figure 4 It is a structural schematic view of the oil cylinder in the present application;

[0026] Figure 5 It is a structural schematic view of the drying box in the present application.

[0027] In the figure: 1, main beam; 12, track; 13, trolley; 14, steel frame; 15, mounting seat; 16, oil cylinder; 17, top support; 18, clamping groove; 19, steel arch; 2, round steel; 3, sealing plate; 4, drying box; 5, connecting rod; 52, ball; 6, damping spring shock absorber. DETAILED DESCRIPTION

[0028] 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, rather than 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.

[0029] Specific embodiments are given below.

[0030] Please refer to Figures 1 to 5As shown, the utility model discloses a steel arch mounting device, including main beam 1, a pair of tracks 12 are installed to the top of main beam 1, the top sliding cooperation of track 12 has travelling crane 13, the steel frame 14 is symmetrically arranged in the middle of travelling crane 13, the steel frame 14 and travelling crane 13 are connected through welding, the steel frame 14 is welded and is composed of four H-shaped steel, and is internally provided with a pair of inclined bracing steel pipes, the middle of steel frame 14 is provided with mounting seat 15 through welding, the top of travelling crane 13 is also provided with a pair of mounting seat 15, and a H-shaped steel is welded between the pair of mounting seat 15 located in the top of travelling crane 13, the mounting seat 15 is welded and is composed of a pair of H-shaped steel splicing, and oil cylinder 16 is installed in the inside of mounting seat 15, the output end of oil cylinder 16 is fixedly connected with jacking support 17, the inner wall of jacking support 17 is provided with clamping groove 18, the outside of main beam 1 is provided with steel arch 19, when working, can according to the construction demand with travelling crane 13 along track 12 moves to target place and fixes it, prevents travelling crane 13 and appears the condition of car sliding, then can be lifted by relevant hoisting equipment steel arch 19, after hoisting and delivering to the installation site, can make jacking support 17 provide stable jacking force to steel arch 19 when installing by starting oil cylinder 16, according to the tunnel section situation, can be rotated by hoisting equipment, so that steel arch 19 can be closely attached to the inner wall of the tunnel, by setting up clamping groove 18, steel arch 19 is subjected to additional guiding action when installing and rotating adjustment, improve the stability of steel arch 19 in the rotating process, and steel arch 19 can be assembled and fastened manually during installation. By setting track 12, the device can be quickly and accurately moved to the specified position according to the progress of tunnel construction and the installation position requirements of steel arch 19, realizing steel arch 19 installation operation at different positions, greatly improving the installation efficiency and reducing the time waste in the construction process. By setting mounting seat 15, protection can be provided when oil cylinder 16 is in use, reducing direct contact between oil cylinder 16 and the complex construction environment, prolonging the service life of oil cylinder 16, and providing stable outward jacking force for steel arch 19 installation through the cooperation of oil cylinder 16 and jacking support 17. The jacking height and force can be accurately controlled according to the actual situation, ensuring that steel arch 19 can be accurately installed to the designed position, ensuring the installation precision and quality. By setting clamping groove 18, steel arch 19 can rotate smoothly along the direction of the device when rotating. This function effectively solves the problems of deviation and shaking that easily occur during the rotation of steel arch 19, ensures that the installation angle and position of steel arch 19 meet the design requirements, further improves the accuracy and reliability of installation, and realizes the mechanization and automation of steel arch 19 installation through the above structure, greatly reducing the workload and time of manual operation, improving the installation efficiency, and speeding up the tunnel construction progress.

[0031] Please refer to Figure 3As shown in the steel frame 14, the middle part is fixed by welding with a plurality of round steel 2; the round steel 2 is equidistantly arranged; the round steel 2 is located between the main beam 1 and the steel frame 14; by setting the round steel 2, when the trolley 13 moves along the track 12, the round steel 2 will contact the main beam 1 first, because the surface of the round steel 2 is smooth, the wear between the round steel 2 and the main beam 1 caused by friction will be minimized, and the direct contact between the steel frame 14 and the main beam 1 will be reduced; by setting the round steel 2, the round steel 2 will rub the main beam 1 first, reducing the wear of the steel frame 14.

[0032] Please refer to Figure 4 and Figure 5 As shown in the mounting seat 15, one side is connected with a sealing plate 3 by bolts; the sealing plate 3 and the output end of the oil cylinder 16 are throughly arranged and are in sliding connection; by setting the sealing plate 3, the sealing plate 3 will seal the internal cavity of the mounting seat 15, further reducing the entry of moisture into the internal cavity of the mounting seat 15, reducing the erosion and drying effect of moisture on the oil cylinder 16 during operation, and at the same time, because the sealing plate 3 and the mounting seat 15 are connected by bolts, the sealing plate 3 can be easily removed from the surface of the mounting seat 15.

[0033] Please refer to Figure 5 As shown in the sealing plate 3, a plurality of drying boxes 4 are fixedly connected to the inner wall of the sealing plate 3; the surface of the drying box 4 is provided with a plurality of holes; by setting the drying box 4, the drying box 4 is provided with a wax block, which can absorb the original moisture in the internal cavity of the mounting seat 15 through the round holes, improve the dryness of the working environment of the oil cylinder 16, and further reduce the interference of moisture on the oil cylinder 16 during operation.

[0034] Please refer to Figure 3 As shown in the steel frame 14, a plurality of connecting rods 5 are symmetrically fixed to the middle part of the steel frame 14; the end of the connecting rod 5 is provided with a plurality of balls 52; the ball 52 and the main beam 1 are in contact; by the cooperation of the connecting rod 5 and the ball 52, when the steel frame 14 moves with the trolley 13, the ball 52 will also contact the outer wall of the main beam 1, reducing the wear between the steel frame 14 and the main beam 1 caused by friction, and at the same time, the two steel frames 14 will be additionally supported when the trolley 13 moves, reducing the stress on the trolley 13 caused by the weight of the steel frame 14.

[0035] Please refer to Figure 3As shown, the end of the connecting rod 5 is fixed with a damping spring shock absorber 6; the damping spring shock absorber 6 is located between the ball 52 and the connecting rod 5; the ball 52 and the damping spring shock absorber 6 are rotationally connected; by setting the damping spring shock absorber 6, the ball 52 will be tightly attached to the outer wall of the main beam 1 under the action of the spring inside the damping spring shock absorber 6, and at the same time, the damping rod inside the damping spring shock absorber 6 can also absorb the pressure caused by the extrusion between the ball 52 and the main beam 1 when encountering uneven places on the outer wall of the main beam 1, thereby reducing the extrusion effect of the main beam 1 on the steel frame 14 transmitted by the ball 52.

[0036] Working principle: according to the construction demand, the travelling crane 13 is moved to the target position along the track 12 and is fixed, to prevent the travelling crane 13 from slipping, and then the steel arch 19 can be lifted by the relevant hoisting equipment and is hoisted to the installation position, and the oil cylinder 16 is started to make the top support 17 provide stable jacking force when the steel arch 19 is installed, according to the tunnel section, the steel arch 19 can be rotated by the lifting equipment, so that the steel arch 19 can tightly adhere to the inner wall of the tunnel, the setting of the clamping groove 18 makes the steel arch 19 receive additional guiding action when being installed and rotated, improves the stability of the steel arch 19 during the rotation process, and the steel arch 19 can be assembled and fastened by manual operation during the installation process; the setting of the round steel 2 makes the round steel 2 contact the protruding part of the outer wall of the main beam 1 first when the travelling crane 13 moves along the track 12, because the surface of the round steel 2 is smooth, the abrasion caused by the friction between the round steel 2 and the main beam 1 is minimized, and the direct contact between the steel frame 14 and the main beam 1 is reduced; the setting of the sealing plate 3 makes the sealing plate 3 seal the internal cavity of the mounting seat 15, further reduces the situation that the moisture in the construction environment enters the internal cavity of the mounting seat 15, reduces the erosion and drying effect of the moisture on the oil cylinder 16 when the oil cylinder 16 works, and simultaneously, because the sealing plate 3 and the mounting seat 15 are connected by bolts, the sealing plate 3 can be conveniently taken off from the surface of the mounting seat 15; the setting of the drying box 4, which is internally provided with wax blocks, makes the wax blocks absorb the original moisture in the internal cavity of the mounting seat 15 through the round holes, improves the dryness of the working environment of the oil cylinder 16, and further reduces the interference of the moisture on the oil cylinder 16 when the oil cylinder 16 works; the cooperation of the connecting rod 5 and the ball 52 makes the ball 52 also contact the outer wall of the main beam 1 when the steel frame 14 moves with the travelling crane 13, reduces the abrasion caused by the friction between the steel frame 14 and the main beam 1, simultaneously makes the two steel frames 14 on the both sides of the travelling crane 13 receive additional supporting action when the travelling crane 13 moves, and reduces the stress on the travelling crane 13 caused by the self-weight of the steel frame 14; the setting of the damping spring shock absorber 6 makes the ball 52 tightly adhere to the outer wall of the main beam 1 under the action of the spring in the damping spring shock absorber 6, and simultaneously, the damping rod in the damping spring shock absorber 6 can also absorb the pressure caused by the extrusion between the ball 52 and the main beam 1 when the outer wall of the main beam 1 is uneven, and reduces the extrusion action of the main beam 1 on the steel frame 14 transmitted by the ball 52.

[0037] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model.

Claims

1. A steel arch installer comprising a main beam (1) characterised in that: The top of the main beam (1) is provided with a pair of rails (12); the top of the rail (12) is slidingly fitted with a trolley (13); the trolley (13) is symmetrically provided with a steel frame (14) in the middle; the steel frame (14) and the trolley (13) are connected by welding; the steel frame (14) is composed of four H-shaped steel welded together, and is internally provided with a pair of inclined bracing steel pipes; the middle of the steel frame (14) is provided with a mounting seat (15) by welding; the top of the trolley (13) is also provided with a pair of mounting seats (15); a H-shaped steel is welded between the pair of mounting seats (15) at the top of the trolley (13); the mounting seat (15) is composed of a pair of H-shaped steel spliced and welded together; the mounting seat (15) is internally provided with an oil cylinder (16); the output end of the oil cylinder (16) is fixedly connected with a jacking stand (17); the inner wall of the jacking stand (17) is provided with a clamping groove (18); the outside of the main beam (1) is provided with a steel arch frame (19).

2. A steel arch installer as claimed in claim 1, wherein: The middle of the steel frame (14) is fixedly provided with a plurality of round steels (2) by welding; the round steels (2) are equidistantly arranged; the round steels (2) are located between the main beam (1) and the steel frame (14).

3. A steel arch installer as claimed in claim 2, wherein: One side of the mounting seat (15) is connected with a sealing plate (3) through bolts; the sealing plate (3) and the output end of the oil cylinder (16) are penetratingly arranged and are slidingly connected.

4. A steel arch installer as claimed in claim 3, wherein: The inner wall of the sealing plate (3) is fixedly connected with a plurality of drying boxes (4); the surface of the drying box (4) is provided with a plurality of holes.

5. A steel arch installer as claimed in claim 4, wherein: A plurality of connecting rods (5) are symmetrically fixedly connected to the middle of the steel frame (14); the end of the connecting rod (5) is provided with a plurality of rolling balls (52); the rolling ball (52) and the main beam (1) are in contact.

6. A steel arch installer as claimed in claim 5, wherein: The end of the connecting rod (5) is fixedly connected with a damping spring shock absorber (6); the damping spring shock absorber (6) is located between the rolling ball (52) and the connecting rod (5); the rolling ball (52) and the damping spring shock absorber (6) are rotatably connected.

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