Automatic clamping and overturning device for tunnel steel arch

Abstract

The utility model relates to the technical field of steel arch machining, in particular to an automatic clamping and overturning device for a tunnel steel arch. Comprising a positioner base, a rotary motor, a rotary disc and a clamping plate assembly, a supporting rotating wheel is arranged along the upper edge in the positioner base, the rotary disc is arranged on the positioner base through the supporting rotating wheel, the rotary disc is of a C-shaped structure, the clamping plate assembly is arranged in a C-shaped opening of the rotary disc, and the clamping plate assembly is connected with the supporting rotating wheel. And the rotary motor is arranged on the positioner base, is connected with the rotary disc and is used for controlling the rotary disc to rotate. According to the device, the problems that in traditional machining, clamping is prone to deformation, the overturning precision is low, and the manual dependence degree is high are solved, and reliable technical guarantee is provided for high-quality and batch production of the steel arches. The automatic clamping and overturning device is mainly applied to automatic clamping and overturning of steel arch machining.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel arch processing technical field more specifically, and relates to a kind of automatic clamping turnover device of tunnel steel arch. BACKGROUND

[0002] In the tunnel construction process, steel arch is the core component of initial support, and its production and processing efficiency and precision directly affect construction safety and project progress. The turnover of traditional steel arch processing mainly relies on manual operation and simple mechanical assistance, which has the following significant problems: steel arch clamping, positioning and turnover require multiple people to work together, which is labor-intensive and inefficient. The existing clamps are mostly fixed structures, which are difficult to accommodate steel arches of different cross-sectional shapes or radii. Frequent replacement of clamps leads to interruptions in the processing line, resulting in low production efficiency. Traditional turnover mechanisms (such as robotic arms and hoisting equipment) lack dynamic compensation for steel arch deformation, and are prone to component distortion during turnover due to gravity or inertia, affecting the alignment accuracy of subsequent welding / splicing. SUMMARY

[0003] To overcome the shortcomings of the prior art, the utility model provides an automatic clamping turnover device for tunnel steel arch. The device has high rotation efficiency, servo motor controlled rotation angle, high precision, automatic turnover, automatic clamping, reduces the labor intensity of workers, and achieves the purpose of reducing labor cost and improving industrial efficiency.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] An automatic clamping turnover device for tunnel steel arch, comprising a positioner base, a rotary motor, a rotary disc and a clamping plate assembly. The positioner base has a support wheel along the upper edge. The rotary disc is arranged on the positioner base through the support wheel. The rotary disc adopts a C-shaped structure. The clamping plate assembly is arranged in the C-shaped opening of the rotary disc. The rotary motor is arranged on the positioner base and connected with the rotary disc to control the rotation of the rotary disc.

[0006] The rotary motor output end is arranged in the positioner base. The rotary motor output end is connected with a drive gear. The rotary disc side edge is provided with a rotary gear. The drive gear is engaged with the rotary gear.

[0007] The rotary motor is provided with a motor shield outside.

[0008] The other side edge of the rotary disc is provided with a guide plate. The positioner base is provided with a bearing positioning assembly. The bearing positioning assembly is respectively arranged in close contact with the rotary gear and the guide plate.

[0009] The bearing positioning assembly comprises a support shaft stand fixedly arranged on the positioner base and a compression bearing fixedly arranged on the support shaft stand, and the compression bearing abuts against the inner wall of the rotary gear and the inner wall of the guide plate.

[0010] The clamping plate assembly comprises an upper clamping plate and a lower clamping plate arranged in the C-shaped opening of the rotary disc, the lower clamping plate is connected with a clamping cylinder fixedly arranged in the rotary disc, and the lower clamping plate is provided with a guide rod penetrating through the bottom of the C-shaped opening of the rotary disc.

[0011] The C-shaped opening of the rotary disc is provided with a positioning plate, and the positioning plate is connected with an adjusting plate on the side close to the C-shaped opening.

[0012] The rotary disc is connected with a wire protection tube fixedly connected to the positioner base.

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

[0014] The clamping plate assembly adopts the upper and lower clamping plates cooperating with the clamping cylinder and the guide rod, the lower clamping plate is vertically lifted through the driving of the cylinder, the automatic centering and clamping of the steel arch support are realized, the clamping deflection or uneven pressure caused by manual operation is avoided, the positioning plate and the adjusting plate are combined and designed, the clamping area can be flexibly adjusted according to the cross-sectional size of the steel arch support, different section bars such as I-beams and U-shaped steel are compatible, and diversified processing requirements are adapted, the rotary motor is meshed and driven through the driving gear and the rotary gear, the double limiting of the bearing positioning assembly and the supporting rotating wheel is combined, the rotary disc is ensured to stably rotate along the preset track in the turning process, the deflection or shaking caused by inertia or gravity is eliminated, the posture of the steel arch support is accurately controllable, the combination of the guide plate and the compression bearing further enhances the anti-deviation ability of the rotary disc, and the structural instability caused by uneven load during turning is avoided, the whole process automation of the steel arch support from clamping, turning to transfer is realized through the linkage control of the clamping cylinder and the rotary motor, manual intervention is greatly reduced, labor intensity and human error risk are reduced, the problems of traditional processing, such as easy deformation of clamping, low turning precision and high artificial dependence, are solved, and reliable technical support is provided for high-quality and batch production of steel arch supports. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic view of the utility model;

[0016] Fig. 2 It is a front view of the utility model;

[0017] Fig. 3 It is another angle schematic view of the utility model;

[0018] Fig. 4 This is a schematic diagram of the interior of the positioner base of this utility model.

[0019] In the diagram: 1 is the positioner base, 2 is the support wheel, 3 is the rotary motor, 4 is the drive gear, 5 is the motor cover, 6 is the rotary table, 7 is the rotary gear, 8 is the guide plate, 9 is the upper clamping plate, 10 is the lower clamping plate, 11 is the clamping cylinder, 12 is the guide rod, 13 is the support shaft frame, 14 is the clamping bearing, 15 is the adjusting plate, 16 is the positioning plate, and 17 is the cable protection tube. Detailed Implementation

[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0022] like Figs. 1 to 4 As shown, an automatic clamping and flipping device for a tunnel steel arch frame includes a positioner base 1, a rotary motor 3, a rotary table 6, and a clamping plate assembly. A support wheel 2 is provided along the upper edge of the inner side of the positioner base 1. The rotary table 6 is mounted on the positioner base 1 via the support wheel and has a C-shaped structure. The clamping plate assembly is positioned within the C-shaped opening of the rotary table 6. The rotary motor 3 is mounted on the positioner base 1 and connected to the rotary table 6 to control its rotation. The rotary motor 3 controls the rotation of the rotary table 6, the clamping plate assembly clamps the steel arch frame, and then the rotary table 6 flips, achieving the clamping, flipping, and transfer of the steel arch frame.

[0023] Preferably, the output end of the rotary motor 3 extends into the positioner base 1, and a drive gear 4 is connected to the output end of the rotary motor 3. A rotary gear 7 is provided on one edge of the rotary disk 6, and the drive gear 4 meshes with the rotary gear 7. The rotary motor 3 controls the rotation of the drive gear 4, and the rotary gear 7 drives the rotary disk 6.

[0024] Preferably, the rotary motor 3 is provided with a motor cover 5.

[0025] Preferably, a guide plate 8 is provided on the other edge of the rotary table 6, and a bearing positioning assembly is provided on the positioner base 1. The bearing positioning assembly is respectively fitted with the rotary gear 7 and the guide plate 8. The bearing positioning assembly and the support wheel 2 cooperate to limit the rotary table 6, so that it can rotate stably on the positioner base 1.

[0026] Preferably, the bearing positioning assembly comprises a support shaft stand 13 fixedly arranged on the positioner base 1 and a compression bearing 14 fixedly arranged on the support shaft stand 13, and the compression bearing 14 abuts against the inner wall of the rotary gear 7 and the inner wall of the guide plate 8. The compression bearing 14 and the support rotating wheel 2 clamp the rotary gear 7 and the guide plate 8 to limit the rotary disc 6.

[0027] Preferably, the clamping plate assembly comprises an upper clamping plate 9 and a lower clamping plate 10 arranged in the C-shaped opening of the rotary disc 6, the lower clamping plate 10 is connected with a clamping cylinder 11 fixedly arranged in the rotary disc 6, and the lower clamping plate 10 is provided with a guide rod 12 penetrating through the bottom of the C-shaped opening of the rotary disc 6. The clamping cylinder 11 drives the lower clamping plate 10 to rise to clamp and fix the steel arch.

[0028] Preferably, the C-shaped opening of the rotary disc 6 is provided with a positioning plate 16, and the positioning plate 16 is connected with an adjusting plate 15 on the side close to the C-shaped opening. The positioning plate 16 can adjust its position in the C-shaped opening of the rotary disc 6, and the combination of the positioning plate 16 and the adjusting plate 15 can flexibly adjust the clamping area according to the cross-sectional size of the steel arch, and is compatible with different profiles such as I-beams and U-shaped steel

[0029] Preferably, the rotary disc 6 is connected with a wire protection pipe 17 fixedly connected to the positioner base 1.

[0030] The steel arch is automatically conveyed into the C-shaped opening of the rotary disc 6, the clamping cylinder 11 drives the lower clamping plate 10 to hold and clamp the I-beam, the rotary motor 3 drives the rotary gear 7 to rotate along the gear ring, the rotary disc 6 rotates to complete the overturning and positioning of the steel arch, the support rotating wheel 2 and the compression bearing 14 ensure that the rotary disc 6 rotates in the center and does not deviate when rotating.

[0031] The above only describes the preferred embodiments of the present application in detail, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the present application, and all the changes shall be included in the protection scope of the present application.

Claims

1. An automatic clamping and flipping device for a tunnel steel arch frame, characterized in that: The device includes a positioner base (1), a rotary motor (3), a rotary disk (6), and a clamping plate assembly. The positioner base (1) has a support wheel (2) along its upper edge. The rotary disk (6) is mounted on the positioner base (1) via the support wheel (2). The rotary disk (6) has a C-shaped structure. The clamping plate assembly is located in the C-shaped opening of the rotary disk (6). The rotary motor (3) is mounted on the positioner base (1) and is connected to the rotary disk (6) to control the rotation of the rotary disk (6).

2. The automatic clamping and flipping device for a tunnel steel arch frame according to claim 1, characterized in that: The output end of the rotary motor (3) extends into the positioner base (1), and the output end of the rotary motor (3) is connected to a drive gear (4). A rotary gear (7) is provided on one side edge of the rotary disk (6), and the drive gear (4) meshes with the rotary gear (7).

3. The automatic clamping and flipping device for a tunnel steel arch frame according to claim 1, characterized in that: The rotary motor (3) is provided with a motor cover (5) on its exterior.

4. The automatic clamping and flipping device for a tunnel steel arch frame according to claim 2, characterized in that: A guide plate (8) is provided on the other side edge of the rotary table (6), and a bearing positioning assembly is provided on the positioner base (1). The bearing positioning assembly is respectively fitted to the rotary gear (7) and the guide plate (8).

5. The automatic clamping and flipping device for a tunnel steel arch frame according to claim 4, characterized in that: The bearing positioning assembly includes a support shaft frame (13) and a clamping bearing (14). The support shaft frame (13) is fixedly mounted on the positioner base (1), and the clamping bearing (14) is fixedly mounted on the support shaft frame (13). The clamping bearing (14) abuts against the inner wall of the rotary gear (7) and the inner wall of the guide plate (8).

6. The automatic clamping and flipping device for a tunnel steel arch frame according to claim 1, characterized in that: The clamping plate assembly includes an upper clamping plate (9) and a lower clamping plate (10). The upper clamping plate (9) and the lower clamping plate (10) are respectively disposed in the C-shaped opening of the rotary table (6). A clamping cylinder (11) is connected to the bottom of the lower clamping plate (10). The clamping cylinder (11) is fixedly disposed in the rotary table (6). A guide rod (12) is disposed at the bottom of the lower clamping plate (10). The guide rod (12) passes through the bottom of the C-shaped opening of the rotary table (6).

7. The automatic clamping and flipping device for a tunnel steel arch frame according to claim 1, characterized in that: A positioning plate (16) is provided at the C-shaped opening of the rotary table (6), and an adjustment plate (15) is connected to the side of the positioning plate (16) near the C-shaped opening.

8. The automatic clamping and flipping device for a tunnel steel arch frame according to claim 7, characterized in that: A protective tube (17) is connected to the rotary table (6), and the protective tube is fixedly connected to the positioner base (1).

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