Automatic turnover device for steel arch frame machining

Abstract

The utility model provides an automatic turnover device for steel arch machining, and belongs to the field of steel arch machining. An automatic overturning assembly; the automatic overturning assembly comprises two hydraulic cylinders mounted on the moving seat, mounting blocks are fixed to the output ends of the hydraulic cylinders, arc-shaped limiting plates are fixed to the mounting blocks, arc-shaped plates are rotatably connected to the interiors of the two arc-shaped limiting plates, arc-shaped rack plates are fixedly connected to the arc-shaped plates, and the arc-shaped rack plates are fixedly connected to the arc-shaped rack plates. Wherein a motor for driving the arc-shaped rack plate to rotate is fixed to one mounting block, and two sets of clamps for clamping the steel arch are mounted on the arc-shaped plate. Compared with the prior art that an electric hoist is used for assisting overturning, efficiency is higher, operation is more convenient and safer, and the flexibility of the device can be improved by arranging the locking universal wheels.

Description

Technical Field

[0001] The utility model relates to the technical field of steel arch frame processing, in particular to an automatic turning device for steel arch frame processing. Background Art

[0002] During the tunnel construction process, steel arch frames are needed to support the bottom wall of the tunnel. The tunnel steel arch frame is composed of several steel arch frame segments connected together. The steel arch frame segments include a steel arch frame body with an arc-shaped structure made of I-beams and steel end plates welded at both ends of the steel arch frame body. The steel end plates are penetrated with through holes for installing bolts for connection.

[0003] After the welding of the steel plate at the end of the steel arch frame is completed, the steel arch frame needs to be inverted, that is, flipped 180 degrees, so that the staff can weld the steel plate and the lower end of the steel arch frame; the commonly used method is to lift the steel arch frame with an electric hoist and then flip it over and place it on the bracket. This method is inefficient and has certain risks; for this reason, the present application proposes an automatic flipping device for steel arch frame processing. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an automatic turning device for processing a steel arch frame.

[0005] The embodiment of the utility model provides a steel arch frame processing automatic turning device, comprising:

[0006] Mobile seat;

[0007] Automatic flipping assembly; the automatic flipping assembly includes two hydraulic cylinders installed on a movable seat, a mounting block is fixed to the output end of the hydraulic cylinder, an arc-shaped limit plate is fixed on the mounting block, an arc-shaped plate is rotatably connected inside the two arc-shaped limit plates, an arc-shaped rack plate is fixedly connected to the arc-shaped plate, a motor for driving the arc-shaped rack plate to rotate is fixed on one of the mounting blocks, and two sets of clamps for clamping the steel arch frame are installed on the arc-shaped plate.

[0008] Furthermore, the two arc-shaped limiting plates are located on the same circumference, and the arc-shaped plates and the arc-shaped limiting plates are arranged in a matching ratio.

[0009] Furthermore, a short shaft is fixed to the output end of the motor, a gear is fixed on the short shaft, and the gear is meshed with an arc-shaped rack plate.

[0010] Furthermore, four locking universal wheels are fixed to the bottom of the movable seat, and the four locking universal wheels are distributed in a rectangular shape.

[0011] Furthermore, the clamp comprises two mounting seats mounted on the arc-shaped plate, and electric push rods are mounted on the two mounting seats, and a clamping plate is fixed to the output end of the electric push rod.

[0012] Furthermore, the two electric push rods are arranged opposite to each other.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] Compared with the prior art which uses an electric hoist to assist in turning, the utility model has higher efficiency, is more convenient and safer to operate, and the provision of a locking universal wheel can increase the flexibility of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of an automatic turning device for processing a steel arch frame described in an embodiment of the utility model.

[0016] Figure 2 It is a schematic diagram of an arc-shaped plate in an automatic turning device for processing a steel arch frame described in an embodiment of the utility model.

[0017] Figure 3 It is a schematic diagram of an arc-shaped limit plate in an automatic turning device for processing a steel arch frame described in an embodiment of the utility model.

[0018] In the above drawings: 1 moving seat, 2 hydraulic cylinder, 3 mounting block, 4 arc-shaped limit plate, 5 clamping plate, 6 arc-shaped plate, 7 electric push rod, 8 arc-shaped rack plate, 9 gear, 10 motor, 11 mounting seat, 12 locking universal wheel, 13 short shaft. DETAILED DESCRIPTION

[0019] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0020] like Figure 1-Figure 3 As shown, the embodiment of the utility model proposes an automatic turning device for processing a steel arch frame, comprising:

[0021] The mobile seat 1 has four locking universal wheels 12 fixed at the bottom thereof. The four locking universal wheels 12 are distributed in a rectangular shape. The position of the entire device can be adjusted by the locking universal wheels 12 so as to flip the steel arch frames at different positions.

[0022] Automatic flipping assembly; the automatic flipping assembly includes two hydraulic cylinders 2 installed on a moving seat 1, and the two hydraulic cylinders 2 work synchronously, adopting a dual pump system: two independent pumps are used to drive the two hydraulic cylinders respectively, and synchronization is achieved through a flow distributor and a pressure balancer; the working principle of the hydraulic cylinder 2 is based on the pressure generated by driving the hydraulic oil to drive the movement of the piston, which is the prior art, and the hydraulic oil supply equipment, etc. are not shown in the figure.

[0023] A mounting block 3 is fixed to the output end of the hydraulic cylinder 2, an arc-shaped limit plate 4 is fixed on the mounting block 3, an arc-shaped plate 6 is rotatably connected inside the two arc-shaped limit plates 4, the two arc-shaped limit plates 4 are located on the same circumference, and the arc-shaped plate 6 and the arc-shaped limit plates 4 are arranged in a matching ratio.

[0024] An arc-shaped rack plate 8 is fixedly connected to the arc-shaped plate 6, and a motor 10 for driving the arc-shaped rack plate 8 to rotate is fixed on one of the mounting blocks 3. A short shaft 13 is fixed to the output end of the motor 10, and a gear 9 is fixed on the short shaft 13. The gear 9 is meshed with the arc-shaped rack plate 8.

[0025] Two sets of clamps for clamping the steel arch frame are installed on the arc limit plate 4, and the clamps include two mounting seats 11 installed on the arc plate 6. Electric push rods 7 are installed on the two mounting seats 11. The two electric push rods 7 are arranged opposite to each other. A clamping plate 5 is fixed to the output end of the electric push rod 7. The clamping plate 5 is not shown in the figure and can be set or customized according to the shape of the steel arch frame. Among them, the electric push rod 7 is a prior art and can be purchased from the market, and its working principle will not be described in detail.

[0026] When in use, the staff pushes the device to the bottom of the steel arch frame, starts the hydraulic cylinder 2 to drive the arc-shaped limit plate 4 and the arc plate 6 to move upward, so that the steel arch frame is located in the arc plate 6, and starts the electric push rod 7 to drive the clamping plate 5 to clamp the steel arch frame. After the clamping is completed;

[0027] Start the hydraulic cylinder 2 to drive the steel arch frame to move up, then start the motor 10 to drive the short shaft 13 to rotate, the rotation of the short shaft 13 drives the gear 9 to rotate, so that the arc rack plate 8 can be driven to rotate, the arc rack plate 8 drives the arc plate 6 to rotate and the rotation angle is 180 degrees, so that the steel arch frame can be turned over, start the hydraulic cylinder 2 to make its output end off the shelf, and place the steel arch frame on the placement rack (not shown in the figure), after it is placed stably, start the electric push rod 7 to reset its output end, so as to complete the turning of the steel arch frame for welding;

[0028] Move the utility model to another steel arch frame that needs to be flipped, and perform flipping processing;

[0029] Compared with the prior art, the utility model uses an electric hoist to assist in turning, has higher efficiency, is more convenient and safer to operate, and the provision of a locking universal wheel 2 can increase the flexibility of the device.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. An automatic turning device for processing steel arch frame, characterized in that: include: Mobile seat (1); An automatic flipping assembly; the automatic flipping assembly comprises two hydraulic cylinders (2) mounted on a movable seat (1); a mounting block (3) is fixed to the output end of the hydraulic cylinder (2); an arc-shaped limit plate (4) is fixed to the mounting block (3); an arc-shaped plate (6) is rotatably connected inside the two arc-shaped limit plates (4); an arc-shaped rack plate (8) is fixedly connected to the arc-shaped plate (6); a motor (10) for driving the arc-shaped rack plate (8) to rotate is fixed to one of the mounting blocks (3); and two sets of clamps for clamping a steel arch are mounted on the arc-shaped limit plate (4).

2. The automatic turning device for processing steel arch frame according to claim 1 is characterized in that: in: The two arc-shaped limiting plates (4) are located on the same circumference, and the arc-shaped plate (6) and the arc-shaped limiting plate (4) are arranged in a matching ratio.

3. The automatic turning device for processing steel arch frame according to claim 1 is characterized in that: in: A short shaft (13) is fixed to the output end of the motor (10), a gear (9) is fixed on the short shaft (13), and the gear (9) is meshed with an arc-shaped rack plate (8).

4. The automatic turning device for processing steel arch frame according to claim 1 is characterized in that: in: Four locking universal wheels (12) are fixed to the bottom of the movable seat (1), and the four locking universal wheels (12) are distributed in a rectangular shape.

5. The automatic turning device for processing steel arch frame according to claim 1 is characterized in that: in: The clamp comprises two mounting seats (11) mounted on the arc-shaped plate (6), an electric push rod (7) being mounted on each of the two mounting seats (11), and a clamping plate (5) being fixed to the output end of the electric push rod (7).

6. The automatic turning device for processing steel arches according to claim 5 is characterized in that: in: The two electric push rods (7) are arranged opposite to each other.

Images