Coal mining supporting structure

Abstract

The utility model provides a coal mining supporting structure, and belongs to the technical field of coal mining. Comprising two movable base frames, upper mounting frames are fixedly arranged above the two movable base frames, and adaptive protection mechanisms are mounted in and above the two upper mounting frames. By arranging the adaptive protection mechanism, when coal mine channels with different heights are involved, personnel can synchronously start double-end motors in the two upper mounting frames, and first rotating rods connected to the two ends of the double-end motors are driven by the double-end motors to drive first bevel gears fixedly arranged on the first rotating rods respectively; second bevel gears meshed with the two gears can drive transmission lead screws in the middles of the second bevel gears to rotate, corresponding lead screw sliding sleeves acting with the two lead screws can drive guide mounting frames to be matched with guide mounting grooves to ascend in a guiding mode, and therefore an upper connecting plate connected with the top ends of the guide mounting frames can be controlled to ascend and descend. The protection arc plate is arranged at the top of the upper connecting plate through the supporting frame, so that the protection arc plate can be attached to the top of the channel, and supporting is formed.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mining, in particular to a coal mining support structure. Background Art

[0002] Due to the varying depths of coal resources, two methods are generally used: underground mining and open-pit mining. In my country, underground mining is the primary method of coal mining. For coal seams too deep to be suitable for open-pit mining, underground mining is often used. During the mining process, support structures are required to assist miners in their safe operations.

[0003] For example, patent CN211819470U discloses a coal mine underground mining support device in the field of coal mine technology, which includes a water retaining assembly and a support frame. The water retaining assembly includes a water collecting trough, a protective net and a water guide plate. The water guide plate is a cavity structure with a water pipe connected to the bottom. The support frame includes two support rods and a top rod, and an adjustable support assembly is provided between the top rods.

[0004] During use, the above-mentioned support device, firstly, because the support rod does not have a height adjustment structure, it cannot adapt to mine passages of different heights; secondly, during mining operations, the inner walls of the mine passages on both sides will inevitably leak or drop different degrees of soil and rocks, and the device cannot better protect the safety of the mining personnel inside. Therefore, the present application provides a coal mine mining support structure to meet the needs. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a coal mine mining support structure to solve the existing problems: first, the support rod does not have a height adjustment structure, and thus cannot adapt to mine passages of different heights; second, during mining operations, the inner walls of the mine passages on both sides will inevitably leak or drop different degrees of soil and rocks, and the device cannot better protect the safety of the mining personnel inside.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions:

[0007] Material toggling mechanism, its both sides respectively have the support of the support frame, and the support frame is hinged on the base plate, is fixed with a button bar, and is convenient to use and can be used for carrying out the lifting of chassis and the base plate, to carry out the lifting of chassis and the base plate, to carry out the lifting of chassis and the base plate.

[0008] Optionally, the lifting assembly includes a double-headed motor, and the double-headed motor is installed inside the upper mounting frame, the two output ends of the double-headed motor are connected to the first rotating rod, and one end of the two first rotating rods is fixed with a first bevel gear, and one side of the first bevel gear is meshed with a second bevel gear, the middle part of the two second bevel gears is fixed with a transmission screw, and the periphery of the two transmission screws is screwed with a screw sleeve, the periphery of the screw sleeve is fixed with a guide frame, and guide grooves are provided on both sides of the interior of the upper mounting frame.

[0009] Optionally, the guide frame and the guide groove are connected in a movable guide manner.

[0010] Optionally, the winding assembly includes a mounting frame, and the mounting frame is fixedly arranged under the upper connecting plate, a second rotating rod is installed on one side of the interior of the mounting frame, and a third bevel gear is fixedly arranged on the periphery of one side of the second rotating rod, one side of the third bevel gear is meshed with a fourth bevel gear, and the middle part of the fourth bevel gear is fixed with a transmission rod, the end of the transmission rod is connected to a motor, fifth bevel gears are fixed at both ends of the second rotating rod, and one side of the two fifth bevel gears is meshed with a sixth bevel gear, and a winding roller is fixed in the middle of the two sixth bevel gears.

[0011] Optionally, the winding roller and the protective net are in a winding connection, and one end of the protective net is in a fixed connection with the winding roller.

[0012] Optionally, the protective net is fixedly connected to the inner side of the upper mounting frame by a fixing block.

[0013] Optionally, the dust reduction mechanism includes a water tank, and the water tank is erected above the upper connecting plate, a fixed frame is fixed on one side of the water tank, and a water pump is installed in the middle of the fixed frame, and the two ends of the water pump are connected to connecting pipes, a spray frame is fixedly installed below the upper connecting plate, and a spray head is provided at the bottom end of the spray frame.

[0014] Optionally, the end of the connecting pipe connected to one end of the water pump is connected to the spray rack.

[0015] Optionally, the scraping mechanism includes a recessed frame, and the recessed frame is embedded in the bottom end of the mobile base frame. A scraping piece is fixed to the bottom of the recessed frame, and threaded grooves are provided at corresponding points on both sides of the recessed frame and on both sides of the mobile base frame, and a bolt rod is screwed into the middle of the threaded groove.

[0016] Optionally, the scraper and the recessed frame are threadedly fixedly connected to the movable base frame using threaded grooves and bolt rods.

[0017] Compared with the prior art, the present invention has at least the following beneficial effects:

[0018] In the above scheme, by setting up an adaptive protection mechanism, when it comes to coal mine passages at different heights, personnel can synchronously start the double-headed motors inside the two upper mounting frames, and under the drive of the first rotating rods connected at both ends will carry their respective first bevel gears, and the second bevel gears meshing with the two gears can drive the transmission screws in the middle to rotate, and the corresponding screw sleeves acting on the two screws can carry the guide frame to cooperate with the guide groove to rise, thereby achieving the control of the lifting of the upper connecting plates connected to the top of the multiple guide frames. Since the top of the upper connecting plate is supported by the support frame There is a protective arc plate, which can make the protective arc plate fit the top of the channel to form a support. During the lifting process, personnel can start the motor to make the transmission rod rotate with the fourth bevel gear and the meshing third bevel gear and the second rotating rod in the middle. Since there are fifth bevel gears at both ends of the second rotating rod, the sixth bevel gear meshing with it can rotate with the winding roller fixed in the middle, thereby achieving the purpose of loosening the protective net, so that the protection range of the protective net can be adapted as the upper connecting plate rises and falls, thereby providing better protection for the mining personnel in the support.

[0019] By setting up a dust reduction mechanism, personnel can start the water pump during the mining process. Under the guidance of the connecting pipes at both ends, the water in the water tank can be sprayed out from the sprinkler heads installed under the sprinkler rack, thereby having a better auxiliary dust reduction effect on the environment in the area.

[0020] By setting up a mud scraping mechanism, mud will inevitably adhere to the periphery of the guide wheel at the bottom of the mobile base frame during its movement. At this time, a recessed frame is threadedly installed in the area of ​​the mobile base frame on one side of each guide wheel, and the mud scraping part fixed at the bottom end can scrape the mud of the moving guide wheel in real time, avoiding manual cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings, which are incorporated herein and constitute part of the specification, illustrate embodiments of the invention and, together with the description, further serve to explain the principles of the invention and enable those skilled in the relevant art to make and use the invention.

[0022] Figure 1 This is a schematic diagram of the three-dimensional structure of the coal mining support structure;

[0023] Figure 2 This is a schematic diagram of the internal structure of the upper mounting frame of the coal mining support structure from the side;

[0024] Figure 3 This is a schematic diagram of the internal structure of the coal mining support structure installation frame viewed from above;

[0025] Figure 4 This is a schematic diagram of the dust suppression mechanism of the coal mining support structure;

[0026] Figure 5 Support structures for coal mining Figure 1 Schematic diagram of the structure at point A in the middle.

[0027] Reference numerals:

[0028] 1. Mobile base frame; 2. Upper mounting frame; 3. Adaptive protection mechanism; 31. Lifting assembly; 311. Double-headed motor; 312. First rotating rod; 313. First bevel gear; 314. Second bevel gear; 315. Transmission screw; 316. Screw sleeve; 317. Guide frame; 318. Guide groove; 32. Winding assembly; 321. Mounting frame; 322. Second rotating rod; 323. Third bevel gear; 324. Fourth bevel gear; 325. Transmission rod; 326, motor; 327, fifth bevel gear; 328, sixth bevel gear; 329, winding roller; 33, protective net; 34, fixing block; 4, upper connecting plate; 5, support frame; 6, protective arc plate; 7, dust suppression mechanism; 71, water tank; 72, fixing frame; 73, water pump; 74, connecting pipe; 75, spray frame; 76, spray head; 8, mud scraping mechanism; 81, recessed frame; 82, mud scraping piece; 83, threaded groove; 84, bolt rod.

[0029] As shown in the figure, in order to clearly implement the structure of the embodiment of the present invention, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the present invention to the specific structure, devices and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments. DETAILED DESCRIPTION

[0030] The following is a detailed description of a coal mine support structure provided by the present invention, with reference to the accompanying drawings and specific embodiments. It is also noted that, in order to provide a more detailed description, the following embodiments are best and preferred embodiments, and those skilled in the art may also adopt other alternatives for implementing certain known technologies. Furthermore, the accompanying drawings are only for the purpose of describing the embodiments in more detail and are not intended to limit the present invention in any specific manner.

[0031] It should be noted that references in the specification to "one embodiment," "an embodiment," "an exemplary embodiment," "some embodiments," etc. indicate that the described embodiments may include specific features, structures, or characteristics, but not every embodiment necessarily includes such specific features, structures, or characteristics. In addition, when specific features, structures, or characteristics are described in conjunction with an embodiment, it is within the knowledge of persons skilled in the relevant art to implement such features, structures, or characteristics in conjunction with other embodiments (whether or not explicitly described).

[0032] In general, terms can be understood, at least in part, from their use in context. For example, depending at least in part on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending at least in part on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0033] It will be understood that the meanings of “on,” “over,” and “above” in the present invention should be interpreted in the broadest manner, so that “on” means not only “directly on” something but also includes the meaning of being “on” something with intervening features or layers, and “on” or “above” means not only “on” or “above” something but also includes the meaning of being “on” or “above” something with no intervening features or layers.

[0034] Additionally, spatially relative terms such as "below," "beneath," "lower," "above," and "upper" may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as illustrated in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein should be similarly interpreted accordingly.

[0035] like Figures 1 to 3As shown, the embodiment of the present invention provides a coal mining support structure, including two mobile base frames 1, an upper mounting frame 2 is fixedly provided above the two mobile base frames 1, and an adaptive protection mechanism 3 is installed inside and above the two upper mounting frames 2, the adaptive protection mechanism 3 includes a guide frame 317, and the top of the guide frame 317 is connected to an upper connecting plate 4, support frames 5 are fixedly provided on both sides above the upper connecting plate 4, and a protective arc plate 6 is fixed on the top of the support frame 5, a dust reduction mechanism 7 is installed inside and outside the upper connecting plate 4, and a mud scraping mechanism 8 is installed on both sides of the lower side of the mobile base frame 1, the adaptive protection mechanism 3 includes a lifting component 31, and the lifting component 31 is installed inside the upper mounting frame 2, the lifting component 31 includes a double-headed motor 311, and the double-headed motor 31 1 is installed inside the upper mounting frame 2, the two output ends of the double-headed motor 311 are connected to the first rotating rod 312, and one end of the two first rotating rods 312 is fixedly provided with a first bevel gear 313, and one side of the first bevel gear 313 is meshed with a second bevel gear 314, the middle part of the two second bevel gears 314 is fixedly provided with a transmission screw 315, and the periphery of the two transmission screws 315 is screwed with a screw sleeve 316, and the periphery of the screw sleeve 316 is fixedly provided with a guide frame 317, and the interior of the upper mounting frame 2 is provided with guide grooves 318 on both sides, and the guide frame 317 and the guide groove 318 are movably guided. A winding assembly 32 is installed below the upper connecting plate 4, and the winding assembly 32 includes a mounting frame 321, and the mounting frame 321 is fixedly provided at The first gear 328 is engaged with the second bevel gear 329, and the second bevel gear 329 is engaged with the first bevel gear 329. A protective net 33 is provided around the winding roller 329, and fixed blocks 34 are fixed on both sides of the lower section of the protective net 33. The protective net 33 is fixedly connected to the inner side of the upper mounting frame 2 by means of the fixed blocks 34. When it comes to coal mine passages at different heights, personnel can synchronously start the double-headed motors 311 inside the two upper mounting frames 2. Under its drive, the first rotating rods 312 connected at both ends will drive their respective fixed first bevel gears 313, and the second bevel gears 314 meshing with the two gears can drive the transmission screw rods 315 in the middle to rotate, and the corresponding screw rod sliding sleeves 316 acting on the two screw rods can drive the guide frame 317 to cooperate with the guide groove 318 to guide and rise, thereby achieving the control of the lifting of the upper connecting plate 4 connected to the top of multiple guide frames 317.Because the top of the upper connecting plate 4 is provided with a protective arc plate 6 through the support frame 5, the protective arc plate 6 can be attached to the top of the channel to form a support. During the lifting process, the personnel can start the motor 326 to rotate the transmission rod 325 with the fourth bevel gear 324 and the meshing third bevel gear 323 and the middle second rotating rod 322. Since the second rotating rod 322 is provided with a fifth bevel gear 327 at both ends, the sixth bevel gear 328 meshing with it can rotate with the winding roller 329 fixed in the middle, thereby achieving the purpose of loosening the protective net 33, so that the protection range of the protective net 33 can be adapted as the upper connecting plate 4 is raised and lowered, thereby providing better protection for the mining personnel in the support.

[0036] like Figures 1 to 5 As shown, the dust reduction mechanism 7 includes a water tank 71, and the water tank 71 is set above the upper connecting plate 4. A fixing frame 72 is fixedly provided on one side of the water tank 71, and a water pump 73 is installed in the middle of the fixing frame 72. The two ends of the water pump 73 are connected to connecting pipes 74. A spray rack 75 is fixedly installed below the upper connecting plate 4, and a spray head 76 is provided at the bottom end of the spray rack 75. The end of the connecting pipe 74 connected to one end of the water pump 73 is connected to the spray rack 75. During the mining process, the water pump 73 can be started, and under the guidance of the connecting pipes 74 connected at both ends, the water in the water tank 71 can be sprayed out from the spray heads 76 provided below the spray rack 75, thereby having a better auxiliary dust reduction effect on the environment of the area.

[0037] Among them, the mud scraping mechanism 8 includes a recessed frame 81, and the recessed frame 81 is embedded in the bottom end of the mobile base frame 1, and a mud scraping piece 82 is fixedly provided at the bottom of the recessed frame 81, and threaded grooves 83 are provided on both sides of the recessed frame 81 and the corresponding points on both sides of the mobile base frame 1, and a bolt rod 84 is screwed on the middle part of the threaded groove 83. The mud scraping piece 82 and the recessed frame 81 are threadedly fixed with the mobile base frame 1 by using the threaded groove 83 and the bolt rod 84. During the movement of the mobile base frame 1, mud will inevitably adhere to the periphery of the guide wheel provided at its bottom. At this moment, a recessed frame 81 is threadedly installed in the area of ​​the mobile base frame 1 on each side of the guide wheel, and the mud scraping piece 82 fixed at its bottom end can scrape mud from the moving guide wheel in real time, avoiding manual cleaning.

[0038] The working principle of the technical solution provided by the utility model is as follows:

[0039] When it comes to coal mine passages at different heights, personnel can synchronously start the double-headed motor 311 inside the two upper mounting frames 2. Under its drive, the first rotating rod 312 connected at both ends will drive the first bevel gear 313 fixed thereto, and the second bevel gear 314 meshing with the two gears can drive the transmission screw rod 315 in the middle to rotate, and the corresponding screw rod slide 316 acting on the two screw rods can drive the guide frame 317 to cooperate with the guide groove 318 to guide and rise, thereby achieving the control of the upper connecting plate 4 connected to the top of multiple guide frames 317. Since the top of the upper connecting plate 4 is provided with a protective arc plate 6 through the support frame 5, the protective arc plate 6 can be fitted with the top of the channel to form support. During the lifting process, personnel can start the motor 326 to make the transmission rod 325 drive the fourth bevel gear 324 and the meshing third bevel gear 323 and the second rotating rod 322 in the middle to rotate. The fifth bevel gear 327 is provided at both ends of the movable rod 322, and the sixth bevel gear 328 meshing with it can rotate with the winding roller 329 fixed in the middle, thereby achieving the purpose of loosening the protective net 33, so that the protection range of the protective net 33 can be adapted as the upper connecting plate 4 rises and falls, thereby providing better protection for the mining personnel in the support. Secondly, the water pump 73 can be started during the mining process, and the water in the water tank 71 can be sprayed from the spray heads 76 provided below the spray frame 75 under the guidance of the connecting pipes 74 connected at both ends, thereby having a better auxiliary dust reduction effect on the environment in the area. Finally, during the movement of the mobile base frame 1, mud will inevitably adhere to the periphery of the guide wheel provided at the bottom. At this moment, a recessed frame 81 is threadedly installed in the area of ​​the mobile base frame 1 on each side of the guide wheel, and the scraper 82 fixed at its bottom end can scrape mud in real time for the moving guide wheel, avoiding manual cleaning.

[0040] This invention encompasses any alternatives, modifications, equivalents, and solutions that do not depart from the spirit and scope of this invention. To provide a thorough understanding of this invention, specific details are described in detail in the following preferred embodiments of this invention, but those skilled in the art will be able to fully understand this invention without these detailed descriptions. Furthermore, to avoid unnecessary confusion regarding the essence of this invention, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0041] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A coal mining support structure, characterized in that: The camshaft is mounted on a link cam of the control stand, and the camshaft is mounted on two support rails, the camshafts being mounted on two support rails of the control stand, the camshafts being mounted on two support rails of the control stand, and the camshafts being mounted on two support rails of the control stand.

2. The coal mining support structure according to claim 1, characterized in that: The lifting assembly includes a double-headed motor, and the double-headed motor is installed inside the upper mounting frame. The two output ends of the double-headed motor are connected to the first rotating rod, and one end of the two first rotating rods is fixedly provided with a first bevel gear, and one side of the first bevel gear is meshed with a second bevel gear, the middle part of the two second bevel gears is fixedly provided with a transmission screw, and the periphery of the two transmission screws is screwed with a screw sleeve, the periphery of the screw sleeve is fixedly provided with a guide frame, and guide grooves are provided on both sides of the interior of the upper mounting frame.

3. The coal mining support structure according to claim 2, characterized in that: The guide frame and the guide groove are connected in a movable guide manner.

4. The coal mining support structure according to claim 1, characterized in that: The winding assembly includes a mounting frame, and the mounting frame is fixedly arranged under the upper connecting plate, a second rotating rod is installed on one side of the interior of the mounting frame, and a third bevel gear is fixedly provided on the periphery of one side of the second rotating rod, one side of the third bevel gear is meshed with a fourth bevel gear, and a transmission rod is fixedly provided in the middle of the fourth bevel gear, the end of the transmission rod is connected to the motor, fifth bevel gears are fixedly provided at both ends of the second rotating rod, and one side of the two fifth bevel gears is meshed with a sixth bevel gear, and a winding roller is fixedly provided in the middle of the two sixth bevel gears.

5. The coal mining support structure according to claim 4, characterized in that: The winding roller and the protective net are in a winding connection, and one end of the protective net is in a fixed connection with the winding roller.

6. The coal mining support structure according to claim 1, characterized in that: The protective net is fixedly connected to the inner side of the upper mounting frame by a fixing block.

7. The coal mining support structure according to claim 1, characterized in that: The dust reduction mechanism includes a water tank, and the water tank is erected above the upper connecting plate. A fixing frame is fixedly provided on one side of the water tank, and a water pump is installed in the middle of the fixing frame. The two ends of the water pump are connected with connecting pipes. A spray frame is fixedly installed below the upper connecting plate, and a spray head is provided at the bottom end of the spray frame.

8. The coal mining support structure according to claim 7, characterized in that: The end of the connecting pipe connected to one end of the water pump is connected to the spray rack.

9. The coal mining support structure according to claim 1, characterized in that: The scraping mechanism includes a recessed frame, and the recessed frame is embedded in the bottom end of the mobile base frame. A scraping piece is fixed to the bottom of the recessed frame. Threaded grooves are provided at corresponding points on both sides of the recessed frame and on both sides of the mobile base frame, and a bolt rod is screwed into the middle of the threaded groove.

10. The coal mining support structure according to claim 9, characterized in that: The mud scraper and the recessed mounting frame are connected to the movable base frame in a threaded fixed manner by means of threaded mounting grooves and bolt rods.

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