Lifting fixing device for coal mine filling and plugging

Abstract

The utility model relates to the technical field of coal mine filling and plugging, in particular to a lifting and fixing device for coal mine filling and plugging, which comprises a base, a box body is arranged above the base, tracks are arranged on two sides of the lower surface of the base, a first lifting device is arranged between every two adjacent tracks, and a support is further arranged on the side face of the box body. And a second lifting device is arranged at the bottom of the bracket. The first lifting device is arranged in the middle of the lower surface of the base, and the circular connecting table and the support are arranged below the first lifting device, so that the stability of the filling and plugging device in the plugging process can be guaranteed, and the stability of the filling and plugging device can be improved; the support can be supported and protected, the supporting pressure of the plugging and filling equipment can be effectively relieved through cooperation with the first lifting device, the stability of the equipment can be enhanced, and the safety coefficient of the equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine filling and plugging, in particular to a lifting and fixing device for coal mine filling and plugging. Background Art

[0002] In coal mining technology, backfill mining technology, as an effective means of actively protecting mine ecology, can solve problems such as gangue accumulation in mining areas and reduce surface subsidence. During the mining process, construction personnel can use backfilling and plugging devices to replace part of the coal, which can extend the service life of such mines and improve resource recovery rates. At the same time, it can process waste such as gangue generated by mining, effectively protect the environment, and bring huge economic and social benefits. When using a backfilling device, it is necessary to ensure the stability of the backfilling device during use to prevent accidents during the filling process that may cause casualties.

[0003] Therefore, it is necessary to propose a technology to improve the above defects. Utility Model Content

[0004] In view of the above-mentioned deficiencies and defects of the coal mine plugging and fixing devices in the prior art, in order to achieve the above-mentioned purpose, the utility model provides a lifting and fixing device for coal mine filling and plugging, comprising:

[0005] A base is provided with a box body above the base, tracks are provided on both sides of the lower surface of the base, a first lifting device is provided between adjacent tracks, a bracket is also provided on the side of the box body, and a second lifting device is provided at the bottom of the bracket.

[0006] As a preferred technical solution, one end of the first lifting device is arranged on the lower surface of the base, and the other end of the first lifting device is provided with a circular connecting platform, and a support is provided at the bottom of the circular connecting platform, and the circular connecting platform and the support are fixedly connected.

[0007] As a preferred technical solution, an L-shaped support plate is provided at the bottom of the second lifting device, the vertical plate of the L-shaped support plate is arranged parallel to the support legs, and one end of the second lifting device is fixedly connected to the L-shaped support plate by bolts.

[0008] As a preferred technical solution, multiple groups of the second lifting devices are arranged along the length direction of the base, and the second lifting devices are arranged in pairs along the width direction of the base.

[0009] As a preferred technical solution, a telescopic rod and a rotating support rod are arranged between the box and the bracket, the telescopic rod is arranged below the rotating support rod, one end of the rotating support rod is connected to the box through a swivel seat, and the other end is rotatably connected to the bracket.

[0010] As described above, the lifting and fixing device for coal mine filling and plugging provided by the utility model has the following beneficial effects:

[0011] The utility model arranges a first lifting device at the bottom of the base, a circular connecting platform is arranged at the bottom of the first lifting device, the first lifting device and the circular connecting platform are threadedly connected, a support is fixedly installed at the bottom of the circular connecting platform, the filling and plugging device can be effectively fixed, which is beneficial to improve its stability; in addition, a second lifting device is arranged at the bottom of the bracket, and an L-shaped support plate is fixedly arranged at the bottom of the second lifting device to improve the stability of the bracket; the coordinated use of the two devices can effectively improve the overall stability and enhance its safety factor. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The display is a schematic diagram of the structure of the utility model;

[0013] Figure 2 Shown is a schematic diagram of the front structure of the present utility model.

[0014] 1. Base; 2. First lifting device; 3. Track; 4. Circular connecting platform; 5. Support; 6. Box; 7. Telescopic rod; 8. Turntable; 9. Rotating support rod; 10. Bracket; 11. Second lifting device; 12. L-shaped support plate. DETAILED DESCRIPTION

[0015] The following describes the embodiments of the present invention through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention.

[0016] It should be noted that the illustrations provided in this embodiment only illustrate the basic concept of the present invention in a schematic manner. Although the illustrations only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation, the form, quantity, positional relationship and proportion of each component in actual implementation can be changed at will under the premise of realizing the technical solution of this party, and the component layout form may also be more complicated. Example

[0017] This embodiment provides a lifting and fixing device for filling and plugging in a coal mine. Figure 1The lifting and fixing device comprises a base 1, a first lifting device 2 and a second lifting device 11. Tracks 3 are arranged on both sides of the lower surface of the base 1. Two tracks 3 are arranged. A first lifting device 2 is also arranged in the middle of the lower surface of the base 1. The first lifting device 2 is arranged between adjacent tracks 3. The first lifting device 2 is provided with multiple groups. Preferably, in this embodiment, three groups of first lifting devices 2 are arranged along the length direction of the base 1, which are respectively arranged at the head, middle and tail of the base 1, and two are arranged in each group along the width direction of the base 1. The tail of the first lifting device 2 is fixed on the base 1. A circular connecting platform 4 is arranged below the head of the first lifting device 2. The inside of the circular connecting platform 4 is provided with an internal thread. The first lifting device 2 is threadedly connected to the circular connecting platform 4. A support 5 is arranged at the bottom of the circular connecting platform 4. The support 5 is fixedly connected to the circular connecting platform 4. The connection method is one of welding and bolt connection. Preferably, in this embodiment, the support 5 is fixedly connected to the circular connecting platform 4 by welding.

[0018] Refer to the attached Figure 2 A box body 6 is also provided on the upper surface of the base, and a bracket 10 is provided on the right side of the box body 6. A telescopic rod 7 and a rotating support rod 9 are provided between the box body 6 and the bracket. The telescopic rod 7 is arranged below the rotating support rod 9. In addition, a swivel seat 8 is also provided on the box body 6, and the rotating support rod 9 is connected to the box body 6 through the swivel seat 8. One end of the telescopic rod 7 is connected to the box body 6, and the other end is connected to the bracket 10; a second lifting device 11 is provided at the lower middle part of the bracket 10, and an L-shaped support plate 12 is provided at the bottom of the second lifting device 11. The vertical plate of the L-shaped support plate 12 is arranged parallel to the bracket 10, and the bottom of the second lifting device 11 is fixedly connected to the horizontal plate of the L-shaped support plate 12. In addition, the second lifting device 11 is provided with multiple groups, and preferably 3 groups are provided in this embodiment, which correspond to the first lifting device 11 respectively.

[0019] To sum up, the utility model arranges a first lifting device in the middle of the lower surface of the base, and arranges a circular connecting platform and a support below the first lifting device, which can ensure the stability of the filling and sealing device during the sealing process, which is beneficial to improving the stability of the device. In addition, a second lifting device and an L-shaped support plate are arranged in the lower middle part of the bracket, which can not only support and protect the bracket, but also effectively alleviate the supporting pressure of the sealing and filling equipment through cooperation with the first lifting device, which is beneficial to enhancing the stability of the equipment and improving the safety factor of the equipment.

[0020] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed by the present invention shall still be covered by the claims of the present invention.

Claims

1. A lifting and fixing device for filling and plugging in coal mines, comprising a base, characterized in that: A box is arranged above the base, tracks are arranged on both sides of the lower surface of the base, a first lifting device is arranged between adjacent tracks, a bracket is also arranged on the side of the box, and a second lifting device is arranged at the bottom of the bracket.

2. A lifting and fixing device for filling and plugging of coal mines according to claim 1, characterized in that: One end of the first lifting device is arranged on the lower surface of the base, and the other end of the first lifting device is provided with a circular connecting platform. A support is provided at the bottom of the circular connecting platform, and the circular connecting platform is fixedly connected to the support.

3. A lifting and fixing device for filling and plugging of coal mines according to claim 2, characterized in that: An internal thread is arranged on the inner side of the middle part of the circular connecting platform, and the circular connecting platform is threadedly connected to the first lifting device.

4. A lifting and fixing device for filling and plugging of coal mines according to claim 1, characterized in that: An L-shaped support plate is arranged at the bottom of the second lifting device, a vertical plate of the L-shaped support plate is arranged parallel to the bracket, and one end of the second lifting device is fixedly connected to the L-shaped support plate by bolts.

5. The lifting and fixing device for coal mine filling and plugging according to claim 1 is characterized in that: The second lifting devices are arranged in multiple groups along the length direction of the base, and are arranged in pairs along the width direction of the base.

6. A lifting and fixing device for filling and plugging of coal mines according to claim 1, characterized in that: A telescopic rod and a rotating support rod are arranged between the box body and the bracket. The telescopic rod is arranged below the rotating support rod. One end of the rotating support rod is connected to the box body through a swivel seat, and the other end is rotatably connected to the bracket.

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