Pipe piece stable connecting device for subway tunnel

Abstract

The utility model relates to the technical field of metro segments, and discloses a metro tunnel segment stable connecting device which comprises a base, a fixing frame fixedly connected to the base, a first fixing shaft fixedly connected in the fixing frame, a rotating gear rotationally connected to the first fixing shaft, and a rotating frame fixedly connected to the rotating gear. A sliding groove is formed in the rotating frame, a telescopic rod is slidably connected into the sliding groove, the telescopic rod penetrates through the sliding groove and is fixedly connected with a connecting frame, a second fixing shaft is rotatably connected into the connecting frame, a rotating plate is fixedly connected to the second fixing shaft, and a telescopic driving assembly used for driving the telescopic rod to conduct telescopic driving is fixedly connected to the telescopic rod. The pipe piece is firstly clamped and fixed through the clamping assembly, then the installation angle, the installation direction and the installation distance of equipment are adaptively adjusted through an adjustable structure, and the practicability of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of subway pipe segments, in particular to a device for firmly connecting pipe segments for subway tunnels. Background Art

[0002] In subway tunnel construction, subway segments are commonly used concrete prefabricated parts; subway segments are arc-shaped, and one unit of a subway tunnel is generally composed of 6 subway segments. Due to the special shape of the segments, the installation angles of the 6 segments are different during the construction process, so the installation is very troublesome. At present, the assembly devices in the existing technology mostly use fixed-point supports, and then use pads to adjust the height and inclination of the supports. Such height adjustment process steps are too complicated, which seriously affects the segment assembly inspection. Utility Model Content

[0003] The utility model aims to provide a device for firmly connecting pipe segments for subway tunnels, so as to solve the problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A device for stabilizing pipe segments for subway tunnels comprises a base, a fixed frame is fixedly connected to the base, a first fixed shaft is fixedly connected inside the fixed frame, a rotating gear is rotatably connected to the first fixed shaft, a rotating frame is fixedly connected to the rotating gear, a sliding groove is provided inside the rotating frame, a telescopic rod is slidably connected to the sliding groove, the telescopic rod passes through the sliding groove and is fixedly connected to the connecting frame, a second fixed shaft is rotatably connected to the connecting frame, a rotating plate is fixedly connected to the second fixed shaft, a telescopic driving assembly for driving the telescopic rod to telescopically drive is fixedly connected to the telescopic rod, a clamping assembly for clamping and fixing the pipe segment is connected to the rotating plate, and a rotating driving assembly for driving the rotating frame to rotate is connected to the rotating gear.

[0006] As a further solution of the utility model: a third motor is fixedly connected to the connecting frame, and an output shaft of the third motor is fixedly connected to the second fixed shaft.

[0007] As a further solution of the utility model: the rotary drive assembly includes a first motor fixedly connected to a fixing frame, the output shaft of the first motor is fixedly connected to a driving gear arranged in the fixing frame, and the driving gear is meshed with the rotating gear.

[0008] As a further solution of the utility model: the telescopic drive assembly includes a ball screw rotatably connected in the sliding groove, a drive block is fixedly connected to the nut of the ball screw, and the drive block is fixedly connected to the telescopic rod.

[0009] As a further solution of the utility model: a first bevel gear is fixedly connected to the driving end of the ball screw, a mounting seat is fixedly connected to the rotating frame, a second motor is fixedly connected to the mounting seat, a second bevel gear is fixedly connected to the output shaft of the second motor, and the second bevel gear is meshed with the first bevel gear.

[0010] As a further solution of the utility model: the clamping assembly includes fixed blocks fixedly connected to both sides of the rotating plate, a sliding rod is slidably connected in the fixed block, one end of the sliding rod is fixedly connected to a stopper, and the other end of the sliding rod is fixedly connected to the clamping plate, and a spring mounted on the sliding rod is arranged between the fixed block and the stopper.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention firstly clamps and fixes the pipe segments by means of a clamping assembly, and then adaptively adjusts the installation angle, installation direction and installation distance of the equipment by means of an adjustable structure, thereby improving the practicability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model is a schematic structural diagram of a device for firmly connecting pipe segments for a subway tunnel.

[0013] Figure 2 It is an isometric schematic diagram of a device for firmly connecting pipe segments for a subway tunnel in the utility model.

[0014] Figure 3 The utility model is a cross-sectional view of a device for firmly connecting pipe segments for a subway tunnel.

[0015] Figure 4 The utility model is a cross-sectional view of a device for firmly connecting pipe segments for a subway tunnel.

[0016] In the figure: 1-base, 2-moving wheel, 3-fixed frame, 4-first fixed axis, 5-rotating gear, 6-first motor, 7-driving gear, 8-rotating frame, 9-sliding groove, 10-telescopic rod, 11-connecting frame, 12-second fixed axis, 13-rotating plate, 14-ball screw, 15-driving block, 16-first bevel gear, 17-mounting seat, 18-second motor, 19-second bevel gear, 20-fixed block, 21-sliding rod, 22-block, 23-spring, 24-clamping plate, 25-third motor. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1 to Figure 4 In an embodiment of the utility model, a device for firmly connecting pipe segments for a subway tunnel includes a base 1, a fixed frame 3 is fixedly connected to the base 1, a first fixed shaft 4 is fixedly connected inside the fixed frame 3, a rotating gear 5 is rotatably connected to the first fixed shaft 4, a rotating frame 8 is fixedly connected to the rotating gear 5, a sliding groove 9 is arranged inside the rotating frame 8, a telescopic rod 10 is slidably connected inside the sliding groove 9, the telescopic rod 10 passes through the sliding groove 9 and is fixedly connected to a connecting frame 11, a second fixed shaft 12 is rotatably connected inside the connecting frame 11, a rotating plate 13 is fixedly connected to the second fixed shaft 12, a telescopic driving component for driving the telescopic rod 10 to telescopically drive is fixedly connected to the telescopic rod 10, and a clamping member for clamping and fixing the pipe segment is connected to the rotating plate 13. The component, the rotating gear 5 is connected with a rotating drive component for driving the rotating frame 8 to rotate, the connecting frame 11 is fixedly connected with a third motor 25, and the output shaft of the third motor 25 is fixedly connected to the second fixed shaft 12. The utility model first clamps the pipe segment on the rotating plate 13 through the clamping component, and drives the second fixed shaft 12 to rotate through the third motor 25, and the second fixed shaft 12 drives the rotating plate 13 to rotate, so as to adjust the installation angle of the pipe segment, and at the same time, the rotating frame 8 can be driven to rotate through the rotating drive component, so as to adjust the installation direction of the pipe segment, and at the same time, the rotating plate 13 and the clamping component can be driven to extend and retract through the telescopic drive component, so as to adjust the installation distance of the pipe segment.

[0019] In one case of this embodiment, see Figure 1 to Figure 4 The rotary drive assembly includes a first motor 6 fixedly connected to the fixed frame 3, and a driving gear 7 arranged in the fixed frame 3 is fixedly connected to the output shaft of the first motor 6. The driving gear 7 is meshed with the rotating gear 5. The rotary drive assembly drives the driving gear 7 to rotate through the first motor 6. The driving gear 7 drives the rotating gear 5 to rotate by meshing with the rotating gear 5, and the rotating gear 5 drives the rotating frame 8 to rotate.

[0020] In one case of this embodiment, see Figure 1 to Figure 4The telescopic drive assembly includes a ball screw 14 rotatably connected to the sliding groove 9, a driving block 15 is fixedly connected to the nut of the ball screw 14, and the driving block 15 is fixedly connected to the telescopic rod 10. A first bevel gear 16 is fixedly connected to the driving end of the ball screw 14, a mounting seat 17 is fixedly connected to the rotating frame 8, and a second motor 18 is fixedly connected to the mounting seat 17. A second bevel gear 19 is fixedly connected to the output shaft of the second motor 18, and the second bevel gear 19 is meshed with the first bevel gear 16. The telescopic drive assembly drives the second bevel gear 19 to rotate through the second motor 18, and the second bevel gear 19 drives the first bevel gear 16 to rotate by meshing with the first bevel gear 16. The first bevel gear 16 drives the ball screw 14 to rotate, and then the rotary motion of the first bevel gear 16 is converted into linear motion of the driving block 15 through the ball screw 14, and the driving block 15 drives the telescopic rod 10 to slide and telescope in the sliding groove 9.

[0021] In one case of this embodiment, see Figure 1 to Figure 4 The clamping assembly includes a fixed block 20 fixedly connected to both sides of the rotating plate 13, a sliding rod 21 is slidably connected in the fixed block 20, a stopper 22 is fixedly connected to one end of the sliding rod 21, and a clamping plate 24 is fixedly connected to the other end of the sliding rod 21. A spring 23 sleeved on the sliding rod 21 is arranged between the fixed block 20 and the stopper 22. The clamping assembly elastically pushes the stopper 22 through the setting of the spring 23, and then elastically pushes the sliding rod 21 through the stopper 22, thereby realizing the elastic contraction of the two groups of clamping plates 24, and then elastically clamping and fixing the pipe segment through the two groups of clamping plates 24.

[0022] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic features of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the utility model is limited by the attached claims rather than the above description, so it is intended to include all changes within the meaning and scope of the equivalent elements of the claims in the utility model. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0023] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for firmly connecting pipe segments for subway tunnels, comprising a base, characterized in that: A fixed frame is fixedly connected to the base, a first fixed shaft is fixedly connected in the fixed frame, a rotating gear is rotatably connected to the first fixed shaft, a rotating frame is fixedly connected to the rotating gear, a sliding groove is provided in the rotating frame, a telescopic rod is slidably connected in the sliding groove, the telescopic rod passes through the sliding groove and is fixedly connected to the connecting frame, a second fixed shaft is rotatably connected in the connecting frame, a rotating plate is fixedly connected to the second fixed shaft, a telescopic driving assembly for driving the telescopic rod to perform telescopic driving is fixedly connected to the telescopic rod, a clamping assembly for clamping and fixing the pipe segment is connected to the rotating plate, and a rotating driving assembly for driving the rotating frame to rotate is connected to the rotating gear.

2. A subway tunnel segment stabilizing connection device according to claim 1, characterized in that: The connecting frame is fixedly connected with a third motor, and the output shaft of the third motor is fixedly connected to the second fixed shaft.

3. The subway tunnel segment stabilizing connection device according to claim 1, characterized in that: The rotary drive assembly comprises a first motor fixedly connected to a fixing frame, a driving gear arranged in the fixing frame is fixedly connected to an output shaft of the first motor, and the driving gear is meshed with the rotating gear.

4. The subway tunnel segment stabilizing connection device according to claim 1, characterized in that: The telescopic driving assembly comprises a ball screw rotatably connected in the sliding groove, a driving block is fixedly connected to a nut of the ball screw, and the driving block is fixedly connected to the telescopic rod.

5. The device for firmly connecting pipe segments for subway tunnels according to claim 4, characterized in that: A first bevel gear is fixedly connected to the driving end of the ball screw, a mounting seat is fixedly connected to the rotating frame, a second motor is fixedly connected to the mounting seat, a second bevel gear is fixedly connected to the output shaft of the second motor, and the second bevel gear is meshed with the first bevel gear.

6. The device for firmly connecting pipe segments for subway tunnels according to claim 1, characterized in that: The clamping assembly includes fixed blocks fixedly connected to both sides of the rotating plate, a sliding rod slidably connected in the fixed block, a stopper fixedly connected to one end of the sliding rod, and a clamping plate fixedly connected to the other end of the sliding rod, and a spring sleeved on the sliding rod is arranged between the fixed block and the stopper.

Images