Tunnel vertical arch clamping device with cross-shaped steering knuckle

Abstract

The utility model relates to a tunnel vertical arch clamping device with a cross-shaped steering knuckle, which comprises a supporting arm and a clamping panel, a fixed seat is arranged at the front end of the supporting arm, and the fixed seat is connected with the clamping panel through the cross-shaped steering knuckle; the cross-shaped steering knuckle comprises a first rotating seat and a second rotating seat, the rear end of the first rotating seat is provided with a pitch shaft arranged in the horizontal direction, the front end of the first rotating seat is rotationally connected with the rear end of the second rotating seat through a vertical shaft, a connecting seat is fixed to the front end of the second rotating seat, and a horizontal shaft is arranged on the connecting seat. And the horizontal shaft is respectively vertical to the pitch shaft and the vertical shaft. The multi-latitude steering function is achieved through one cross-shaped steering knuckle component, the structure is compact, and maintenance is easy and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of tunnel arch machinery, in particular to a tunnel arch clamping device with a cross steering knuckle. Background Art

[0002] The tunnel arch machine is used to transfer the steel arch frame segments to the predetermined installation position inside the tunnel. The tunnel arch machine is provided with a clamping device for clamping the steel arch frame segments. Although the existing clamping device can realize steering functions in multiple dimensions, the components of each steering function are scattered, which increases the difficulty of maintenance. Summary of the invention

[0003] The utility model aims to overcome the shortcomings of the prior art and provide a tunnel arch clamping device with a cross knuckle.

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

[0005] A tunnel arch clamping device with a cross knuckle comprises a support arm and a clamping panel, wherein the upper portion of the front end surface of the clamping panel is provided with at least one clamp for clamping an arch frame segment; a fixing seat is provided at the front end of the support arm, and the fixing seat is connected to the clamping panel through a cross knuckle;

[0006] The cross knuckle comprises a first rotating seat and a second rotating seat, the rear end of the first rotating seat is provided with a pitch axis arranged in the horizontal direction, the front end of the first rotating seat is rotatably connected with the rear end of the second rotating seat via a vertical axis, the front end of the second rotating seat is fixed with a connecting seat, the connecting seat is provided with a horizontal axis, and the horizontal axis is perpendicular to the pitch axis and the vertical axis respectively;

[0007] The pitch axis is rotatably connected to the fixed seat, and the fixed seat is connected to a pitch driver for driving the first rotating seat to perform pitch motion;

[0008] The middle part of the clamping panel is rotatably connected to the horizontal axis; the side of the first rotating seat is connected to a first driver for driving the clamping panel to rotate around a vertical axis; the side of the second rotating seat is connected to a second driver for driving the clamping panel to rotate around a horizontal axis.

[0009] Furthermore, the support arm is a telescopic arm with adjustable length.

[0010] Furthermore, a support frame is fixed to the side of the first rotating seat, the rear end of the first driving device is hinged to the rear end of the support frame, and the front end of the first driving device is hinged to the back of the clamping panel.

[0011] Furthermore, a hinge seat is fixed to the side of the second rotating seat, the lower end of the second driving device is hinged to the hinge seat, and the upper end of the second driving device is hinged to the back of the clamping panel.

[0012] Furthermore, the pitch actuator, the first rotary actuator and the second rotary actuator are oil cylinders or air cylinders.

[0013] The utility model adopts the above technical solution, and has the following beneficial effects:

[0014] 1. The utility model can realize multi-axis movement (including rotation and movement) of the clamping device, has high spatial flexibility, can effectively adjust the position of the arch frame segment, and ensure the accuracy of the steel arch frame installation;

[0015] 2. The utility model adopts a cross steering knuckle component to realize multiple latitude steering functions, with compact structure and simple and convenient maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described in detail below with reference to the accompanying drawings and specific implementations:

[0017] Figure 1 It is a front view of the overall structure of the utility model;

[0018] Figure 2 It is a rear view of the overall structure of the utility model;

[0019] Figure 3 It is the front view of the cross knuckle;

[0020] Figure 4 It is a front view of the overall structure of the utility model;

[0021] Figure 5 It is a schematic diagram of the structure of the clamping panel. DETAILED DESCRIPTION

[0022] like Figure 1-5 As shown, the tunnel arch clamping device with a cross knuckle of the utility model comprises a support arm 1 and a clamping panel 2, and the upper front end surface of the clamping panel 2 is provided with at least one clamp 21 for clamping the arch frame segment.

[0023] A fixing seat 3 is provided at the front end of the support arm 1 , and the fixing seat 3 is connected to the clamping panel 2 via a cross knuckle 4 .

[0024] The cross knuckle 4 includes a first rotating seat 41 and a second rotating seat 42. The rear end of the first rotating seat 41 is provided with a pitch axis 43 arranged in the horizontal direction. The front end of the first rotating seat 41 and the rear end of the second rotating seat 42 are rotationally connected via a vertical axis 44. A connecting seat 45 is fixed to the front end of the second rotating seat 42. A horizontal axis 451 is provided on the connecting seat 45. The horizontal axis 451 is perpendicular to the pitch axis 43 and the vertical axis 44 respectively; the pitch axis 43 is rotationally connected to the fixed seat 3, and the fixed seat 3 is connected with a pitch driver 5 for driving the first rotating seat 41 to perform pitch motion.

[0025] The middle part of the clamping panel 2 is rotatably connected to the horizontal axis 451. The side of the first rotating seat 41 is connected to the first driver 6 for driving the clamping panel 2 to rotate around the vertical axis 44; the side of the second rotating seat 42 is connected to the second driver 7 for driving the clamping panel 2 to rotate around the horizontal axis 451. Specifically, a support frame 46 is fixed to the side of the first rotating seat 41, the rear end of the first driver 6 is hinged to the rear end of the support frame 46, and the front end of the first driver 6 is hinged to the back of the clamping panel 2. A hinge seat 47 is fixed to the side of the second rotating seat 42, the lower end of the second driver 7 is hinged to the hinge seat 47, and the upper end of the second driver 7 is hinged to the back of the clamping panel 2.

[0026] The pitch actuator 5 , the first rotary actuator 6 and the second rotary actuator 7 are hydraulic cylinders or pneumatic cylinders.

[0027] The support arm 1 is a telescopic arm with adjustable length, and the telescopic arm is composed of a large and small arm, and is driven to be telescopic by an oil cylinder or a gas cylinder. In addition, the support arm 1 can also be adjusted in pitch on the tunnel arch machine.

[0028] The clamping device of the utility model can realize multi-axis movement (including rotation and movement) in space, has high flexibility, can effectively adjust the position of the arch frame segment, and ensure the accuracy of the steel arch frame installation; in addition, the utility model adopts a cross steering knuckle component to realize multiple latitude steering functions, has a compact structure, and is simple and convenient to maintain.

[0029] The above describes the specific implementation of the present invention, but those skilled in the art should understand that this is only an example. Those skilled in the art can make various changes or modifications to this implementation without departing from the principle and essence of the present invention, but these changes and modifications are all within the scope of protection of the present invention.

Claims

1. A tunnel arch clamping device with a cross knuckle, comprising a support arm and a clamping panel, wherein the upper front end surface of the clamping panel is provided with at least one clamp for clamping an arch frame segment; characterized in that: A fixing seat is provided at the front end of the support arm, and the fixing seat is connected to the clamping panel via a cross knuckle; The cross knuckle comprises a first rotating seat and a second rotating seat, the rear end of the first rotating seat is provided with a pitch axis arranged in the horizontal direction, the front end of the first rotating seat is rotatably connected with the rear end of the second rotating seat via a vertical axis, the front end of the second rotating seat is fixed with a connecting seat, the connecting seat is provided with a horizontal axis, and the horizontal axis is perpendicular to the pitch axis and the vertical axis respectively; The pitch axis is rotatably connected to the fixed seat, and the fixed seat is connected to a pitch driver for driving the first rotating seat to perform pitch motion; The middle part of the clamping panel is rotatably connected to the horizontal axis; the side of the first rotating seat is connected to a first driver for driving the clamping panel to rotate around a vertical axis; the side of the second rotating seat is connected to a second driver for driving the clamping panel to rotate around a horizontal axis.

2. The tunnel arch clamping device with a cross knuckle according to claim 1 is characterized in that: The supporting arm is a telescopic arm with adjustable length.

3. The tunnel arch clamping device with a cross knuckle according to claim 1 is characterized in that: A support frame is fixed to the side surface of the first rotating seat, the rear end of the first driving device is hinged to the rear end of the support frame, and the front end of the first driving device is hinged to the back of the clamping panel.

4. The tunnel arch clamping device with a cross knuckle according to claim 1 is characterized in that: A hinge seat is fixed on the side of the second rotating seat, the lower end of the second driving device is hinged on the hinge seat, and the upper end of the second driving device is hinged to the back of the clamping panel.

5. The tunnel arch clamping device with a cross knuckle according to claim 1 is characterized in that: The pitch actuator, the first rotary actuator and the second rotary actuator are oil cylinders or air cylinders.

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