Underground coal mine onboard forepoling device

Abstract

The utility model relates to the technical field of coal mining, and particularly discloses a coal mine underground onboard advance support device which comprises a bottom plate and a support mechanism, the support mechanism comprises a mounting frame, a bidirectional threaded rod, a first motor, a protection plate and two groups of adjusting assemblies, and each group of adjusting assemblies comprises a moving plate, a transverse plate, a supporting plate, a supporting piece, a mounting piece and a reinforcing piece. The mounting frame is fixedly connected with the bottom plate, the moving plates are arranged in the mounting frame, the transverse plate is fixedly connected with the moving plates, the supporting piece is arranged above the transverse plate, the supporting plate is fixedly connected with the supporting piece, the mounting piece is used for fixing the protection plate and the supporting plate, and the two-way threaded rod penetrates through the two moving plates and is in threaded fit with the two moving plates. Through the arrangement, the size of the supporting device can be adjusted according to the width of a mine, and therefore the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine mining, in particular to an airborne advanced support device for underground coal mines. Background Art

[0002] The main tunneling processes in a mine are divided into two types: blasting tunneling and full-mechanized tunneling. Compared with blasting tunneling, the advantages of full-mechanized tunneling are that it not only greatly reduces the labor intensity of tunneling construction workers, further improves the tunneling speed of the mine, but also takes a new step in safety management, providing a more reliable guarantee for the safe operation of on-site workers in underground coal mines. When using a full-mechanized tunneling machine for tunneling construction, an airborne advanced support device needs to be mounted at its front end to ensure the stability of the mining face.

[0003] However, the size of the existing airborne advanced support device is fixed and cannot be adjusted and adapted according to the width of the mine, resulting in low usability. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an airborne advanced support device for underground coal mines, aiming to solve the technical problem in the prior art that the size of the airborne advanced support device is fixed and cannot be adjusted and adapted according to the width of the mine, resulting in low usability.

[0005] To achieve the above purpose, the utility model adopts an airborne advanced support device for underground coal mines, which includes a bottom plate and a support mechanism. The support mechanism includes a mounting frame, a bidirectional threaded rod, a first motor, a protection plate and two groups of adjusting components. Each group of adjusting components includes a moving plate, a cross plate, a support plate, a support member, a mounting member and a reinforcement member. The mounting frame is fixedly connected to the bottom plate and is located on the upper surface of the bottom plate. The two groups of adjusting components are symmetrically arranged above the mounting frame. The moving plate is arranged inside the mounting frame. The cross plate is fixedly connected to the moving plate and is located at the upper end of the moving plate. The support member is arranged above the cross plate. The support plate is fixedly connected to the support member. The mounting member is used to fix the protection plate and the support plate. The reinforcement member is arranged on the bottom surface of the support plate. The bidirectional threaded rod passes through the two moving plates respectively and is in threaded cooperation with the two moving plates respectively. The two ends of the bidirectional threaded rod are rotatably connected to the mounting frame respectively. The first motor is arranged at one end of the mounting frame, and the output end of the first motor is fixedly connected to the bidirectional threaded rod.

[0006] Among them, the support member includes a support column, a lifting rod, and a lifting member. The support column is fixedly connected to the cross plate and is located on the upper surface of the cross plate. One end of the lifting rod is fixedly connected to the support plate, the other end of the lifting rod penetrates through the support column and is slidably connected to the support column, and the lifting member is arranged inside the support column.

[0007] Among them, the lifting member includes a second motor and a lead screw. The second motor is arranged inside the support column. One end of the lead screw is fixedly connected to the output end of the second motor, the other end of the lead screw penetrates through the lifting rod and is in threaded cooperation with the lifting rod.

[0008] Among them, the mounting member includes a mounting plate and two bolts. The mounting plate is fixedly connected to the protection plate and is attached to the upper surface of the support plate. The two bolts respectively penetrate through the mounting plate and are threadedly connected to the support plate.

[0009] Among them, the reinforcement member includes a hydraulic rod, a first hinge seat, and a second hinge seat. The first hinge seat is fixedly connected to the support column, the second hinge seat is fixedly connected to the support plate, one end of the hydraulic rod is hinged to the first hinge seat, and the other end of the hydraulic rod is hinged to the second hinge seat.

[0010] Among them, the underground coal mine airborne advanced support device further includes two groups of sliding components. The two groups of sliding components are symmetrically arranged on the upper surface of the bottom plate. Each group of sliding components includes a slide rail, two sliding sleeves, and two connecting rods. The slide rail is fixedly connected to the upper surface of the bottom plate, the two sliding sleeves are respectively slidably connected to the slide rail, one end of each of the two connecting rods is fixedly connected to one of the two cross plates, and the other end of each of the two connecting rods is fixedly connected to one of the two sliding sleeves.

[0011] An airborne advanced support device for coal mines underground of the present utility model. The cross plate is fixedly connected with the moving plate. The support member is arranged above the cross plate. The support plate is fixedly connected with the support member. The bidirectional threaded rod penetrates through the two moving plates respectively. The output end of the first motor is fixedly connected with the bidirectional threaded rod. When specifically in use, the bottom plate is installed on the full-face roadheader, and then the first motor is started. The output end of the first motor drives the bidirectional threaded rod to rotate, so that the two moving plates move in opposite directions. The two moving plates drive the corresponding cross plates to move respectively. The cross plates drive the support members to move. The support members drive the support plates to move, so that the distance between the two support plates is adapted to the width of the mine. Then, the protection plate adapted to the width of the mine is selected, and the protection plate is fixed to the support plate through the installation member. Then, the support member drives the support plate to move upward. The support plate drives the protection plate to move upward until it contacts the top of the mine, so as to carry out support and protection. By this method, it can effectively solve the problem in the prior art that the size of the airborne advanced support device is fixed and cannot be adjusted and adapted according to the width of the mine, resulting in low usability. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0013] Figure 1 is a schematic structural diagram of the first embodiment of the present utility model.

[0014] Figure 2 is a perspective view of the first embodiment of the present utility model.

[0015] Figure 3 is an overall structural sectional view of the first embodiment of the present utility model.

[0016] Figure 4 is a schematic structural diagram of the second embodiment of the present utility model.

[0017] 101 - Bottom plate, 102 - Installation frame, 103 - Bi-directional threaded rod, 104 - First motor, 105 - Protective plate, 106 - Moving plate, 107 - Cross plate, 108 - Support plate, 109 - Support column, 110 - Lifting rod, 111 - Second motor, 112 - Lead screw, 113 - Installation plate, 114 - Bolt, 115 - Hydraulic rod, 116 - First hinge seat, 117 - Second hinge seat, 201 - Slide rail, 202 - Slide sleeve, 203 - Connecting rod. Specific embodiments

[0018] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0019] The first embodiment of this application is as follows:

[0020] Please refer to Figures 1 to 3 , wherein Figure 1 is a schematic structural view of the first embodiment of the present invention, Figure 2 is a perspective view of the first embodiment of the present invention, Figure 3 is a cross-sectional view of the overall structure of the first embodiment of the present invention.

[0021] The present invention provides an airborne advanced support device for coal mines underground, including a bottom plate 101 and a support mechanism. The support mechanism includes an installation frame 102, a bi-directional threaded rod 103, a first motor 104, a protective plate 105 and two sets of adjustment components. Each set of the adjustment components includes a moving plate 106, a cross plate 107, a support plate 108, a support member, a mounting member and a reinforcement member. The support member includes a support column 109, a lifting rod 110 and a lifting member. The lifting member includes a second motor 111 and a lead screw 112. The mounting member includes an installation plate 113 and two bolts 114. The reinforcement member includes a hydraulic rod 115, a first hinge seat 116 and a second hinge seat 117. The foregoing solution solves the problem in the prior art that the size of the airborne advanced support device is fixed and cannot be adjusted and adapted according to the width of the mine, resulting in low usability.

[0022] For this specific embodiment, the installation frame 102 is fixedly connected to the bottom plate 101 and is located on the upper surface of the bottom plate 101. Two sets of the adjustment components are symmetrically arranged above the installation frame 102. The moving plate 106 is arranged inside the installation frame 102. The cross plate 107 is fixedly connected to the moving plate 106 and is located at the upper end of the moving plate 106. The support member is arranged above the cross plate 107. The support plate 108 is fixedly connected to the support member. The installation member is used to fix the protection plate 105 and the support plate 108. The reinforcement member is arranged on the bottom surface of the support plate 108. The bidirectional threaded rod 103 passes through the two moving plates 106 respectively and is in threaded cooperation with the two moving plates 106. The two ends of the bidirectional threaded rod 103 are rotatably connected to the installation frame 102. The first motor 104 is arranged at one end of the installation frame 102. The output end of the first motor 104 is fixedly connected to the bidirectional threaded rod 103. When specifically in use, the bottom plate 101 is installed on the full-face roadheader, and then the first motor 104 is started. The output end of the first motor 104 drives the bidirectional threaded rod 103 to rotate, so that the two moving plates 106 move in opposite directions. The two moving plates 106 respectively drive the corresponding cross plates 107 to move. The cross plates 107 drive the support members to move. The support members drive the support plates 108 to move, so that the distance between the two support plates 108 is adapted to the width of the mine. Then, the protection plate 105 adapted to the width of the mine is selected, and the protection plate 105 and the support plate 108 are fixed through the installation member. Then, the support plate 108 is driven to move upward by the support member. The support plate 108 drives the protection plate 105 to move upward until it contacts the top of the mine, so as to carry out support and protection.

[0023] Wherein, the support column 109 is fixedly connected to the cross plate 107 and is located on the upper surface of the cross plate 107. One end of the lifting rod 110 is fixedly connected to the support plate 108. The other end of the lifting rod 110 passes through the support column 109 and is slidably connected to the support column 109. The lifting member is arranged inside the support column 109. When specifically in use, the lifting rod 110 is driven to move upward by the lifting member. The lifting rod 110 drives the support plate 108 to move upward.

[0024] Secondly, the second motor 111 is arranged inside the support column 109. One end of the lead screw 112 is fixedly connected to the output end of the second motor 111, and the other end of the lead screw 112 penetrates through the lifting rod 110 and is in threaded cooperation with the lifting rod 110. When in specific use, the second motor 111 is started, and the output end of the second motor 111 drives the lead screw 112 to rotate, causing the lifting rod 110 to move upward.

[0025] Meanwhile, the mounting plate 113 is fixedly connected to the protective plate 105 and fits with the upper surface of the support plate 108. Two bolts 114 respectively penetrate through the mounting plate 113 and are in threaded connection with the support plate 108. When in specific use, the protective plate 105 and the support plate 108 are fixed by the two bolts 114.

[0026] In addition, the first hinge seat 116 is fixedly connected to the support column 109, the second hinge seat 117 is fixedly connected to the support plate 108, one end of the hydraulic rod 115 is hinged to the first hinge seat 116, and the other end of the hydraulic rod 115 is hinged to the second hinge seat 117. When in specific use, the stability of the protective plate 105 can be enhanced by the hydraulic rod 115.

[0027] When using a coal mine underground airborne advanced support device of this embodiment, during specific use, the bottom plate 101 is installed on the full-face tunneling machine, and then the first motor 104 is started. The output end of the first motor 104 drives the bidirectional threaded rod 103 to rotate, causing the two moving plates 106 to move in opposite directions. The two moving plates 106 respectively drive the corresponding cross plates 107 to move. The cross plates 107 drive the support column 109 to move. The support column 109 drives the support plate 108 to move through the lifting rod 110, so that the distance between the two support plates 108 is adapted to the width of the mine. Then, the protective plate 105 adapted to the width of the mine is selected, and the protective plate 105 and the support plate 108 are fixed by the two bolts 114. Then, the second motor 111 is started, and the output end of the second motor 111 drives the lead screw 112 to rotate, causing the lifting rod 110 to move upward. The lifting rod 110 drives the support plate 108 to move upward, and the support plate 108 drives the protective plate 105 to move upward until it contacts the top of the mine, thereby performing support and protection. By this method, it can effectively solve the problem in the prior art that the size of the airborne advanced support device is fixed and cannot be adjusted and adapted according to the width of the mine, resulting in low usability.

[0028] The second embodiment of this application is as follows:

[0029] Based on the first embodiment, please refer to Figure 4 , Figure 4 which is a schematic structural diagram of the second embodiment of the present utility model.

[0030] The present utility model provides an airborne advanced support device for coal mines underground, further comprising two sets of sliding components. Each set of the sliding components includes a slide rail 201, two sliding sleeves 202, and two connecting rods 203.

[0031] For this specific embodiment, the two sets of the sliding components are symmetrically arranged on the upper surface of the base plate 101. The slide rail 201 is fixedly connected to the upper surface of the base plate 101. The two sliding sleeves 202 are respectively slidably connected to the slide rail 201. One ends of the two connecting rods 203 are respectively fixedly connected to the two cross plates 107, and the other ends of the two connecting rods 203 are respectively fixedly connected to the two sliding sleeves 202. When specifically in use, the movement of the cross plate 107 drives the corresponding connecting rod 203 to move, and the connecting rod 203 drives the corresponding sliding sleeve 202 to slide on the slide rail 201.

[0032] When using the airborne advanced support device for coal mines underground of this embodiment, when specifically in use, the movement of the cross plate 107 drives the corresponding connecting rod 203 to move, and the connecting rod 203 drives the corresponding sliding sleeve 202 to slide on the slide rail 201, so as to guide the cross plate 107 and improve the stability of the cross plate 107.

[0033] What is disclosed above is only a preferred embodiment of the present utility model. Of course, it cannot be used to limit the scope of rights of the present utility model. Those of ordinary skill in the art can understand the whole or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present utility model still fall within the scope covered by the present utility model.

Claims

1. An airborne advanced support device for underground coal mines, including a bottom plate, characterized in that, it further includes a support mechanism, the support mechanism includes an installation frame, a bidirectional threaded rod, a first motor, a protection plate and two sets of adjustment components. The installation frame is fixedly connected to the bottom plate and is located on the upper surface of the bottom plate. The two sets of adjustment components are symmetrically arranged above the installation frame. Each set of adjustment components includes a moving plate, a cross plate, a support plate, a support member, a mounting member and a reinforcement member. The moving plate is arranged inside the installation frame. The cross plate is fixedly connected to the moving plate and is located at the upper end of the moving plate. The support member is arranged above the cross plate. The support plate is fixedly connected to the support member. The mounting member is used to fix the protection plate and the support plate. The reinforcement member is arranged on the bottom surface of the support plate. The bidirectional threaded rod respectively penetrates through the two moving plates and is in threaded cooperation with the two moving plates. The two ends of the bidirectional threaded rod are respectively rotatably connected to the installation frame. The first motor is arranged at one end of the installation frame, and the output end of the first motor is fixedly connected to the bidirectional threaded rod.

2. The airborne advanced support device for underground coal mines according to claim 1, characterized in that, the support member includes a support column, a lifting rod and a lifting member. The support column is fixedly connected to the cross plate and is located on the upper surface of the cross plate. One end of the lifting rod is fixedly connected to the support plate, and the other end of the lifting rod penetrates through the support column and is slidably connected to the support column. The lifting member is arranged inside the support column.

3. The airborne advanced support device for underground coal mines according to claim 2, characterized in that, the lifting member includes a second motor and a lead screw. The second motor is arranged inside the support column. One end of the lead screw is fixedly connected to the output end of the second motor, and the other end of the lead screw penetrates through the lifting rod and is in threaded cooperation with the lifting rod.

4. The airborne advanced support device for underground coal mines according to claim 3, characterized in that, the mounting member includes a mounting plate and two bolts. The mounting plate is fixedly connected to the protection plate and is attached to the upper surface of the support plate. The two bolts respectively penetrate through the mounting plate and are in threaded connection with the support plate.

5. The airborne advanced support device for underground coal mines according to claim 4, characterized in that, the reinforcement member includes a hydraulic rod, a first hinge seat and a second hinge seat. The first hinge seat is fixedly connected to the support column, the second hinge seat is fixedly connected to the support plate. One end of the hydraulic rod is hinged to the first hinge seat, and the other end of the hydraulic rod is hinged to the second hinge seat.

6. The airborne advanced support device for underground coal mines according to claim 5, characterized in that, The airborne advanced support device in the coal mine also includes two sets of sliding components. The two sets of sliding components are symmetrically arranged on the upper surface of the bottom plate. Each set of sliding components includes a slide rail, two sliding sleeves, and two connecting rods. The slide rail is fixedly connected to the upper surface of the bottom plate. The two sliding sleeves are respectively slidably connected to the slide rail. One ends of the two connecting rods are respectively fixedly connected to the two cross plates, and the other ends of the two connecting rods are respectively fixedly connected to the two sliding sleeves.

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