CN218862635U - Temporary reinforced support frame body for a tunnel - Google Patents

Abstract

The utility model belongs to the technical field of tunnel construction, in particular to a temporary reinforced support frame for a tunnel, including a base; two ends of the base are slidingly connected with moving plates; two sets of moving plates are fixed at one end outside the base. There is a fixed plate; the two sets of fixed plates are slidingly connected with telescopic plates; the operator starts the motor and uses the motor to drive the second bevel gear to rotate, and the rotation of the second bevel gear drives the first bevel meshed with the second bevel gear The gear rotates, so that the two-way screw on the first bevel gear drives the moving plates to move closer or away from each other, so that the length of the base is increased to adapt to the width of the tunnel floor, and then the height of the telescopic plate is adjusted by the operator , using the first hydraulic cylinder to adjust the angle of the support plate to support the top of the tunnel, the device does not need to be disassembled and installed, and the device can be adapted to different tunnels for multiple uses.

Description

Temporary reinforced support frame body for a tunnel

technical field

The utility model belongs to the technical field of tunnel construction, in particular to a temporarily reinforced supporting frame body of a tunnel.

Background technique

During the construction of the subway tunnel, control measures such as ground reinforcement, interlayer soil grouting reinforcement between tunnels, provisional support system in the tunnel, synchronous grouting outside the segment and secondary reinforcement grouting are used to ensure the stability of the tunnel settlement in the upper and lower sections.

When adding a temporary support system in the tunnel, the operator should set up concrete or steel structure support inside the tunnel section. By building steel support in the tunnel, the cooperation between the steel frame and the steel frame can be used to prevent the deformation of the tunnel section and prevent the segment from being deformed during construction. stage of destruction.

At present, in the existing technology, when building temporary steel frames, the steel frames are temporarily cut according to the specific tunnel size, which has the disadvantages of complicated installation and disassembly process, large construction volume, and long construction period, and the same temporary support frame body cannot be combined with Tunnels of different sizes are matched, making secondary use difficult.

Therefore, in view of the above problems, a temporary reinforcement support frame body for tunnels is proposed.

Utility model content

In order to make up for the deficiencies of the prior art and solve the above-mentioned problems, a temporary reinforcement support frame for tunnels is proposed.

The technical solution adopted by the utility model to solve the technical problem is: a temporary reinforcement support frame body of a tunnel described in the utility model, including a base; two ends of the base are slidingly connected with moving plates; two groups of moving plates One end of the plate located outside the base is fixedly connected with a fixed plate; the two groups of fixed plates are slidingly connected with telescopic plates; the tops of the two groups of telescopic plates are fixed with multiple sets of fixed columns; A sphere; the top of the telescopic plate is movably connected to a support plate, and the support plate is rotatably connected to the sphere; the top surfaces of the two sets of support plates are arc-shaped.

Preferably, the two groups of fixed plates are fixedly connected to a load-bearing plate on one side away from the base; the two groups of said load-bearing plates are fixedly connected to a first hydraulic rod; at one end of the support plate.

Preferably, one side of the base is rotatably connected to a second bevel gear through a connecting seat; the second bevel gear meshes with a first bevel gear; the middle part of the first bevel gear is fixedly connected with a two-way screw; the two-way screw The connecting seat is rotatably connected in the base; the two ends of the two-way screw are screw-connected with a moving plate.

Preferably, the inner bottoms of the two groups of fixed plates are fixedly connected with second hydraulic rods; the ends of the two groups of second hydraulic rods away from the moving plate are fixedly connected with telescopic plates.

Preferably, multiple sets of first limit holes are provided on both sides of the fixed plate; multiple sets of second limit holes are provided on both sides of the telescopic plate; multiple sets of the second limit holes are connected with multiple sets of first limit holes The spacing of the positioning holes is the same size; one of the groups of the first limiting holes is threaded with screws.

Preferably, a motor is affixed to the side of the base corresponding to the second bevel gear via a connecting seat; the output end of the motor is affixed to the second bevel gear.

The beneficial effects of the utility model:

The utility model provides a temporary reinforcement support frame body of a tunnel. The operator starts the motor and uses the motor to drive the second bevel gear to rotate, and the rotation of the second bevel gear drives the first bevel gear meshed with the second bevel gear to rotate. Therefore, the two-way screw on the first bevel gear drives the moving plates to move closer or farther away from each other, so that the length of the base is increased to adapt to the width of the tunnel floor, and then the operator adjusts the height of the telescopic plate, using the first The hydraulic cylinder adjusts the angle of the support plate to support the top of the tunnel. The device does not need to be disassembled and installed, and the device can be adapted to different tunnels for multiple uses.

Description of drawings

The drawings described here are used to provide a further understanding of the utility model and constitute a part of the application. The schematic embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute improper limitations to the utility model. In the attached picture:

Fig. 1 is a perspective view of the utility model as a whole;

Fig. 2 is the first vertical perspective view in the utility model;

Fig. 3 is the second partial perspective view in the utility model;

Fig. 4 is the third partial perspective view in the utility model;

illustration:

1. Base; 2. Motor; 3. Support plate; 4. Telescopic plate; 5. Bearing plate; 6. First hydraulic rod; 7. Fixed plate; 8. Moving plate; 9. First limit hole; 10. The second limiting hole; 11, screw; 12, fixed column; 13, the first bevel gear; 14, the second bevel gear; 15, the sphere; 16, the second hydraulic rod.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

Specific examples are given below.

The utility model:

Please refer to Fig. 1-Fig. 4, the utility model provides a kind of temporary reinforced supporting body of tunnel, comprises base 1; The two ends of described base 1 are slidingly connected with moving plate 8; Two groups of described moving plates 8 are positioned at base 1 The outer end is fixedly connected with a fixed plate 7; the two sets of fixed plates 7 are slidingly connected with telescopic plates 4; A sphere 15 is fixedly connected; a support plate 3 is movably connected to the top of the telescopic plate 4, and the support plate is rotatably connected to the sphere 15; the top surfaces of the two sets of support plates 3 are arc-shaped.

When working, due to the current existing technology, when building a temporary steel frame, the steel frame is temporarily cut according to the specific tunnel size, which has the disadvantages of complicated installation and disassembly process, large construction volume, long construction period, etc., and the same temporary support The frame cannot be matched with tunnels of different sizes, and it is difficult to carry out secondary use. The device is provided with a support plate 3. After the operator determines the length of the base 1 and the height of the fixed plate 7, the support plate 3 is rotated to drive the support plate 3. Angle adjustment is used to adapt to the radian of the top of the tunnel, the top of the tunnel is supported and the device does not need to be disassembled and installed, and the device can be adapted to different tunnels for multiple uses.

The two groups of fixed plates 7 are fixedly connected with a load-bearing plate 5 on the side away from the base 1; the two groups of said load-bearing plates 5 are fixedly connected with a first hydraulic rod 6; One end of it is affixed to one end of the support plate 3.

When working, the operator activates the hydraulic rod to rise or fall. Since the support plate 3 on the hydraulic rod rotates on the sphere 15, when the hydraulic rod rises or falls, it will drive the support plate 3 to rotate angularly. When the hydraulic rod Then the angle of support plate 3 remains fixed when stopping motion.

One side of the base 1 is rotatably connected with a second bevel gear 14 via a connecting seat; the second bevel gear 14 is meshed with a first bevel gear 13; the middle part of the first bevel gear 13 is fixedly connected with a two-way screw; The two-way screw is rotatably connected in the base 1 through the connecting seat; the two ends of the two-way screw are threadedly connected with a moving plate 8 .

During work, the operator starts the motor 2 and utilizes the motor 2 to drive the second bevel gear 14 to rotate, and the rotation of the second bevel gear 14 is used to drive the first bevel gear 13 meshed with the second bevel gear 14 to rotate, thereby impelling the first bevel gear The two-way screw on the gear 13 drives the moving plates 8 to move toward or away from each other, so that the length of the base 1 is increased to adapt to the width of the tunnel floor.

The inner bottoms of the fixed plates 7 of the two groups are fixedly connected with the second hydraulic rods 16 ;

During work, since the device requires the operator to lift the height of the telescopic plate 4, the device is provided with a second hydraulic rod 16, and the height of the telescopic plate 4 can be adjusted arbitrarily by starting the second hydraulic rod 16, thereby increasing the length of the fixed plate 7, No manual adjustment is required, which is convenient and quick.

There are multiple sets of first limiting holes 9 on both sides of the fixed plate 7; multiple sets of second limiting holes 10 are opened on both sides of the telescopic plate 4; The distances between the first limiting holes 9 are the same; one set of the first limiting holes 9 is threadedly connected with screws 11 .

During work, since the hydraulic rod drives the telescopic plate 4 to move up and down in the fixed plate 7, the device is provided with a first limit hole 9 for the height of the telescopic plate 4 to be fixed in the fixed plate 7 to be more stable. 11 Tighten the first limiting hole 9 and insert it into the second limiting hole 10 to make it more stable.

A motor 2 is affixed to the side of the base 1 corresponding to the second bevel gear 14 via a connecting seat; the output end of the motor 2 is affixed to the second bevel gear 14 .

During work, since the operator needs to drive the motor 2 to rotate, the device is provided with a motor 2, and the motor 2 drives the second bevel gear 14 to rotate, which is convenient and quick.

Working principle: In the current existing technology, when building a temporary steel frame, the steel frame is temporarily cut according to the specific tunnel size, which has the disadvantages of complicated installation and disassembly process, large construction volume, and long construction period, and the same temporary support frame The body cannot be matched with tunnels of different sizes, and it is difficult to carry out secondary utilization. The device starts the motor 2 through the operator and uses the motor 2 to drive the second bevel gear 14 to rotate, and the rotation of the second bevel gear 14 drives the second bevel gear 14 The meshing first bevel gear 13 rotates, thereby prompting the two-way screw on the first bevel gear 13 to drive the moving plate 8 to move closer to or away from each other, so that the length of the base 1 is increased to adapt to the width of the tunnel floor, Then the operator adjusts the height of the telescopic plate 4, and uses the first hydraulic cylinder to adjust the angle of the support plate 3 to support the top of the tunnel. The device does not need to be disassembled and installed, and the device can be adapted to different tunnels for multiple uses .

Wherein, when working, the operator activates the hydraulic rod to rise or fall. Since the support plate 3 on the hydraulic rod rotates on the sphere 15, when the hydraulic rod is raised or lowered, it will drive the support plate 3 to rotate angularly. When the hydraulic rod stopped moving, the angle of the support plate 3 remained fixed.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model.

Claims (6)

1. A temporary reinforced support frame body for a tunnel, comprising a base (1); it is characterized in that: two ends of the base (1) are slidably connected with moving plates (8); two groups of moving plates (8) are located One end outside the base (1) is fixedly connected with a fixed plate (7); the two sets of fixed plates (7) are slidingly connected with a telescopic plate (4); fixed column (12); the top of multiple groups of fixed columns (12) is fixedly connected with a spheroid (15); the top of the telescopic plate (4) is movably connected with a support plate (3), and the support plate and the spheroid ( 15) Rotational connection; the top surfaces of the support plates (3) of the two groups are arc-shaped. 2. The temporary reinforcement supporting frame body of a tunnel according to claim 1, characterized in that: two sets of said fixing plates (7) are fixedly connected with load-bearing plates (5) on the side away from the base (1); The first hydraulic rods (6) are fixedly connected to the load-bearing plates (5) of the two groups; the ends of the first hydraulic rods (6) away from the load-bearing plates (5) are fixedly connected to one end of the support plate (3). 3. The temporary reinforcement support frame body of a tunnel according to claim 2, characterized in that: one side of the base (1) is rotatably connected with a second bevel gear (14) via a connecting seat; The bevel gear (14) is meshed with the first bevel gear (13); the middle part of the first bevel gear (13) is fixedly connected with a two-way screw; the two-way screw is connected in the base (1) through the connecting seat; A moving plate (8) is threadedly connected to both ends of the screw rod. 4. The temporary reinforcement support frame body of a tunnel according to claim 3, characterized in that: the inner bottoms of the two sets of fixing plates (7) are fixedly connected with a second hydraulic rod (16); Two hydraulic rods (16) are fixedly connected with a telescopic plate (4) at one end away from the movable plate (8). 5. The temporary reinforcement support frame body of a tunnel according to claim 4, characterized in that: both sides of the fixed plate (7) are provided with multiple sets of first limiting holes (9); the telescopic plate ( 4) There are multiple sets of second limiting holes (10) on both sides; the multiple sets of second limiting holes (10) are the same as the multiple sets of first limiting holes (9); the multiple sets of first limiting holes (9) One group of threads is connected with screws (11) on the limit hole (9). 6. A temporary reinforcement support frame for a tunnel according to claim 5, characterized in that: the side of the base (1) corresponding to the second bevel gear (14) is fixedly connected with a motor (2) via a connecting seat ); the output end of the motor (2) is fixedly connected with a second bevel gear (14).

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