Gripper mechanism of mining lagging jack equipment

Abstract

The utility model belongs to the technical field of lagging jack erecting equipment, and particularly relates to a gripper mechanism of mining lagging jack equipment, which comprises a gripper main body and a swing oil cylinder, the gripper main body comprises a framework, two gripping oil cylinders and four grippers, a lifting platform is arranged on the rear side of the gripper main body, extension arms are arranged on the left side and the right side of the framework, and when the swing oil cylinder stretches out and draws back, the gripper main body is driven by the swing oil cylinder to rotate. And the gripper main body can rotate around the rotating shaft I. In order to solve the problem of manually gripping a vertical frame, the utility model provides the gripper mechanism of the mining arch frame equipment, the gripper mechanism is provided with two pairs of mechanical grippers, the gripping is firm, the conditions of inconvenience, inclination, shaking and high risk of manually erecting the frame during the butt joint operation of a steel arch frame can be avoided, the number of operators is also reduced, and the working efficiency is improved. The labor cost is saved; the swing oil cylinder is arranged, the posture of the side steel arch can be finely adjusted when the swing oil cylinder is in butt joint with the main steel arch, and the butt joint speed is higher.

Description

Technical Field

[0001] This utility model belongs to the technical field of arch frame erection equipment, specifically, it relates to a gripper mechanism for a mining arch frame equipment. Background Technology

[0002] After the excavation of underground mine tunnels, steel arch frames or steel pipe beam concrete supports are required to strengthen the tunnels and control the release of surrounding rock stress and deformation. Due to the varying cross-sectional sizes of underground mine tunnels and limited space for equipment deployment, the current tunnel arch erection work is entirely done manually on scaffolds. Adjusting the posture of the steel arch frames during installation is extremely inconvenient and inefficient. Furthermore, the steel arch frames are prone to tilting during adjustments, posing a significant safety hazard. Moreover, the scaffolds need to be moved after each construction phase and during subsequent construction cycles. Different scaffolds of different sizes need to be erected for different tunnels, requiring a large number of workers. The workers endure high labor intensity and poor working conditions. However, due to the complex geological conditions, deep excavations, harsh working environment, and high risks in underground mines, the number of workers engaged in this work is gradually decreasing. To address these problems, this utility model provides a gripping mechanism for a mining arch frame device. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a gripper mechanism for a mining arch frame equipment, including a gripper body and a swing cylinder. The gripper body includes a frame, two gripping cylinders, and four grippers. The grippers are arranged in pairs at the front and rear of the frame, and each gripper is perpendicular to the frame. The middle part of the gripper is hinged to the front and rear of the frame, respectively. The gripping cylinders are placed parallel to each other on the lower side of the frame, with the fixed end of the gripping cylinder close to the gripper at the rear of the frame and the telescopic end of the gripping cylinder close to the gripper at the front of the frame. The lower part of the gripper is hinged to the telescopic end or fixed end of the corresponding gripping cylinder.

[0004] The gripper body has a lifting platform at the rear, and extension arms on both the left and right sides of the frame. The left extension arm has a shaft hole 1. The lifting platform has a rotating shaft 1 at the corresponding position of the shaft hole 1. The rotating shaft 1 passes through the shaft hole 1 and is rotatably connected to the shaft hole 1. The telescopic end of the swing cylinder is hinged to the right extension arm. The fixed end of the swing cylinder has a shaft hole 2. The lifting platform has a rotating shaft 2 at the corresponding position of the shaft hole 2. The rotating shaft 2 passes through the shaft hole 2 and is rotatably connected to the shaft hole 2. When the swing cylinder telescopically extends or retracts, the gripper body can rotate around the rotating shaft 1.

[0005] Furthermore, the upper part of the gripper is equipped with opposing hooks. The space enclosed by the inner side of the gripper and the upper side of the frame is used to place the arch frame. By controlling the extension and retraction of the gripping cylinder, the opening and closing of the gripper can be controlled to realize the gripping and placement of the arch frame.

[0006] Furthermore, the upper side of the frame is provided with a groove that conforms to the cross-sectional shape of the arch frame, and the inner side of the groove is provided with a buffer plate to make the arch frame firmly fixed in the gripper mechanism, and at the same time to prevent the gripper from squeezing the arch frame and causing deformation of the arch frame.

[0007] Furthermore, the buffer pad consists of several layers of lining plates, which can be selected as elastic rubber pads. The thickness, quantity, or size of the lining plates can be adjusted or replaced to make the buffer pad suitable for different types of steel arch frames.

[0008] Furthermore, the upper side of the extension arm is provided with a U-shaped bracket that matches the cross-sectional shape of the arch frame.

[0009] This utility model also includes other devices or components that enable the gripper mechanism of the mining arch frame equipment to function normally, all of which are conventional technical means in the field. Furthermore, the lifting platform and extension arm not specified in this utility model all employ conventional technical means in the field.

[0010] The working principle of this utility model is as follows: When this device is in use, the extension and retraction ends of the gripping cylinder are controlled to retract, the grippers are moved away from each other, and the arch frame is placed stably on the frame. The extension and retraction ends of the gripping cylinder are controlled to extend, the grippers are moved closer to each other, and the arch frame is fixed and clamped. The extension and retraction of the swing cylinder can control the gripper body to rotate to a certain angle, and then the arch frame is moved with the lifting platform to the position to be installed for installation.

[0011] The beneficial effects of this utility model are that, to solve the problem of manual gripping of erected frames, this device provides a gripping mechanism for mining arch frame equipment, solving problems such as unstable gripping, weak gripping leading to movement or tilting, and difficulty in docking during steel arch frame docking. The gripping mechanism for mining arch frame equipment provided by this utility model has two pairs of mechanical grippers, ensuring a secure grip. It avoids the inconvenience, tilting, and high risk associated with manual erection of steel arch frames during docking operations, while also reducing the number of workers required and saving labor costs. Furthermore, this utility model is equipped with a swing cylinder, which allows for fine-tuning of the side steel arch frame's posture during docking with the main steel arch frame, resulting in faster docking speeds. Attached Figure Description

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0013] Figure 1 This is a structural schematic diagram of the working state of this utility model.

[0014] Figure 2 This is a schematic diagram of the overall structure of this utility model.

[0015] Figure 3 This is a side view of the structure of this utility model.

[0016] Figure 4This is a schematic diagram of the groove and skeleton in this utility model. Detailed Implementation

[0017] The present invention will now be clearly described with reference to the accompanying drawings and specific embodiments. This description is merely for explaining the present invention and is not intended to limit it. Any modifications, equivalent substitutions, improvements, etc., made by those skilled in the art based on the embodiments of the present invention without inventive effort to obtain all other embodiments should be included within the protection scope of the present invention.

[0018] Example

[0019] like Figures 1-4 As shown, the present invention provides a gripper mechanism for a mining arch frame device, comprising a gripper body and a swing cylinder 6. The gripper body includes a frame 1, two gripping cylinders 2, and four grippers 3. The grippers are arranged in pairs at the front and rear of the frame, and the grippers 3 are all perpendicular to the frame 1. The middle part of the gripper 3 is hinged to the front and rear of the frame 1 respectively. The gripping cylinders 2 are placed parallel to each other on the lower side of the frame 1, and the fixed end of the gripping cylinder 2 is close to the gripper 3 at the rear of the frame, while the telescopic end of the gripping cylinder 2 is close to the gripper 3 at the front of the frame. The lower part of the gripper 3 is hinged to the telescopic end or fixed end of the corresponding gripping cylinder 2.

[0020] The gripper body is provided with a lifting platform (not shown in the figure) at the rear. The frame 1 is provided with extension arms 4 on both the left and right sides. The extension arm 4 on the left side is provided with a shaft hole 5. The lifting platform is provided with a rotating shaft 1 (not shown in the figure) at the corresponding position of the shaft hole 5. The rotating shaft 1 passes through the shaft hole 5 and is rotatably connected to the shaft hole 5. The extension end of the swing cylinder 6 is hinged to the extension arm 4 on the right side. The fixed end of the swing cylinder 6 is provided with a shaft hole 2 7. The lifting platform is provided with a rotating shaft 2 (not shown in the figure) at the corresponding position of the shaft hole 2 7. The rotating shaft 2 passes through the shaft hole 2 7 and is rotatably connected to the shaft hole 2 7. When the swing cylinder 6 extends or retracts, the gripper body can rotate around the rotating shaft 1.

[0021] As a further measure of this utility model, the upper part of the gripper 3 is provided with opposing hooks 8. The space enclosed by the inner side of the gripper 3 and the upper side of the frame 1 is used to place the arch frame. By controlling the extension and retraction of the gripping cylinder 2, the opening and closing of the gripper 3 can be controlled to realize the gripping and placement of the arch frame. The upper side of the frame 1 is provided with a groove 9 that conforms to the cross-sectional shape of the arch frame. The inner side of the groove 9 is provided with a buffer pad 10, which is used to fix the arch frame firmly in the gripper mechanism and at the same time avoid the arch frame from being deformed due to the squeezing of the gripper 3. The buffer pad 10 is composed of several layers of lining plates. The lining plates can be selected as elastic rubber pads. The thickness, quantity or size of the lining plates can be adjusted or replaced to make the buffer pad 10 suitable for different models of steel arch frames. The upper side of the extension arm 4 is provided with a U-shaped bracket 11 that matches the cross-sectional shape of the arch frame.

[0022] The working principle of this utility model is as follows: When this device is in use, the telescopic end of the gripping cylinder 2 is controlled to retract, and the grippers 4 are moved away from each other, so that the arch frame is placed stably on the frame 1. The telescopic end of the gripping cylinder 2 is controlled to extend, and the grippers 4 are moved closer to each other to fix and clamp the arch frame. The telescopic movement of the swing cylinder 7 can control the gripper body to rotate to a certain angle. Then the arch frame is moved with the lifting platform to the position to be installed for installation.

[0023] The embodiments of the present invention have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments.

Claims

1. A gripper mechanism for a mining arch frame device, comprising a gripper body and a swing cylinder, characterized in that: The gripper body includes a frame, two gripping cylinders, and four grippers. The grippers are arranged in pairs at the front and back of the frame, and each gripper is perpendicular to the frame. The middle part of each gripper is hinged to the front and back of the frame, respectively. The gripping cylinders are placed parallel to each other on the lower side of the frame, with the fixed end of the gripping cylinder close to the gripper at the rear of the frame and the telescopic end of the gripping cylinder close to the gripper at the front of the frame. The lower part of each gripper is hinged to the telescopic end or fixed end of the corresponding gripping cylinder. The gripper body has a lifting platform at its rear. The frame has extension arms on both the left and right sides. The left extension arm has a shaft hole. The lifting platform has a rotating shaft at the corresponding position of the shaft hole. The rotating shaft passes through the shaft hole and is rotatably connected to the shaft hole. The telescopic end of the swing cylinder is hinged to the right extension arm. The fixed end of the swing cylinder has a shaft hole. The lifting platform has a rotating shaft at the corresponding position of the shaft hole. The rotating shaft passes through the shaft hole and is rotatably connected to the shaft hole. When the swing cylinder telescopicates, the gripper body can rotate around the rotating shaft.

2. The gripper mechanism of a mining arch frame equipment according to claim 1, characterized in that: The upper part of each gripper is provided with opposing hooks, and the space enclosed by the inner side of the gripper and the upper side of the frame is used to place the arch frame.

3. The gripper mechanism of a mining arch frame equipment according to claim 1, characterized in that: The upper side of the frame is provided with a groove that conforms to the cross-sectional shape of the arch frame, and the inner side of the groove is provided with a buffer pad.

4. The gripper mechanism of a mining arch frame equipment according to claim 3, characterized in that: The buffer pad is an elastic rubber pad.

5. The gripper mechanism of a mining arch frame equipment according to claim 1, characterized in that: The upper side of the extension arm is provided with a U-shaped bracket that matches the cross-sectional shape of the arch frame.

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