Hydraulic lifting support platform for fully mechanized excavation face of coal mine

Abstract

The utility model discloses a hydraulic lifting support platform for a coal mine fully-mechanized excavation face, which relates to the technical field of coal mine fully-mechanized excavation and comprises a plurality of support legs, a cavity support table is fixedly connected above the support legs, a moving component is fixedly connected inside the cavity support table, the moving component is matched with the support legs, a lifting component is rotatably connected inside the cavity support table, and the lifting component is matched with the cavity support table. The lifting assembly is matched with the moving assembly, a supporting plate is fixedly connected to the lifting assembly, a plurality of hydraulic rods are fixedly connected to the upper portion of the supporting plate, a bearing plate is fixedly connected to the upper portions of the hydraulic rods, a set of limiting through holes are formed in the bearing plate and matched with the lifting assembly, and a supporting assembly is slidably connected to the side face of the bearing plate. The movable supporting platform is convenient to move, when the supporting platform is not used, the supporting platform can be smoothly moved through the moving assembly, and matching of other auxiliary devices is not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine comprehensive excavation, and specifically relates to a hydraulic lifting support platform for a coal mine comprehensive excavation working face. BACKGROUND

[0002] Coal mine comprehensive excavation refers to the excavation of a mining roadway in a coal body by taking advantage of the poor excavating property of soft coal bodies, the extraction of loose coal and whole coal, and the support at the same time, that is, the use of a comprehensive excavator, a second transport belt conveyor and a transport belt conveyor to directly transport coal and gangue out of the working face to the main shaft coal bunker. During the coal mine comprehensive excavation process, a hydraulic lifting platform needs to be used.

[0003] The lifting support platform needs to be frequently moved, and the existing support platform usually lacks appropriate fixing devices to fix the support platform or lacks appropriate moving devices to adjust the position, which is not conducive to the use of the support platform. Therefore, the technical personnel in the field propose a hydraulic lifting support platform for a coal mine comprehensive excavation working face to solve the problems in the above background. SUMMARY

[0004] The utility model aims at providing a hydraulic lifting support platform for a coal mine comprehensive excavation working face to solve the problems in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme.

[0006] A hydraulic lifting support platform for a coal mine comprehensive excavation working face comprises a plurality of support legs, a cavity support table is fixedly connected above the support legs, a moving assembly is fixedly connected inside the cavity support table, the moving assembly cooperates with the support legs, a lifting assembly is rotatably connected inside the cavity support table, the lifting assembly cooperates with the moving assembly, a support plate is fixedly connected to the lifting assembly, a plurality of hydraulic rods are fixedly connected above the support plate, a bearing plate is fixedly connected above the hydraulic rods, a set of limiting through holes are arranged on the bearing plate, the limiting through holes cooperate with the lifting assembly, and a support assembly is slidably connected to the side surface of the bearing plate.

[0007] As a further scheme of the utility model, the moving assembly comprises a first motor fixedly connected to one side of the cavity support table, the first motor is rotatably connected with a bidirectional screw rod, the bidirectional screw rod is rotatably connected with a positioning block on both sides, a adjusting screw sleeve is threadedly connected to both sides of the bidirectional screw rod, an adjusting rotating bar is rotatably connected to the adjusting screw sleeve below the positioning block, a lifting block is rotatably connected to one end of the adjusting screw sleeve away from the positioning block, and a moving wheel is arranged below the lifting block.

[0008] As a further scheme of the utility model: two-way screw rod two ends are drivenly connected with transmission rod through bevel gear set, transmission rod is rotatably connected with lock block, lock block is fixedly connected on cavity support, transmission rod is drivenly connected with other end two-way screw rod through transmission belt, transmission rod is drivenly connected with lifting assembly through transmission belt.

[0009] As a further scheme of the utility model: the lifting assembly includes lifting screw rod which is drivenly connected with transmission rod, the lifting screw rod is rotatably connected on the cavity support, the lifting screw rod is threadedly connected with lifting screw sleeve, the lifting screw sleeve is fixedly connected with the support plate, the lifting screw sleeve top is fixedly connected with limit stopper, and the limit stopper is matched with limit through hole.

[0010] Compared with the prior art, the utility model has the advantages of: 1, the utility model is convenient to move, when the support platform is not used, the support platform can be moved smoothly through the moving assembly, and the cooperation of other auxiliary devices is not needed; 2, high safety, when the support platform rises, the support assembly is used for protection, so that the operator is safer on the platform; 3, strong stability, the device structure is stable, and the possibility of sliding in the lifting process is reduced; 4, high efficiency and convenience, through the cooperation of various components of the device, protection and lifting can be carried out efficiently. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a kind of coal mine fully mechanized excavation working face hydraulic lifting support platform structure schematic diagram;

[0012] Figure 2 It is a kind of coal mine fully mechanized excavation working face hydraulic lifting support platform moving assembly structure schematic diagram;

[0013] Figure 3 It is a kind of coal mine fully mechanized excavation working face hydraulic lifting support platform transmission part structure schematic diagram;

[0014] Figure 4 It is a kind of coal mine fully mechanized excavation working face hydraulic lifting support platform support assembly structure schematic diagram;

[0015] Figure 5 It is a kind of coal mine fully mechanized excavation working face hydraulic lifting support platform support coaming structure schematic diagram;

[0016] In the figure: 1, support leg; 2, cavity support; 3, moving assembly; 4, lifting assembly; 5, support plate; 6, hydraulic rod; 7, bearing plate; 8, limiting through hole; 9, support assembly; 10, first motor; 11, bidirectional screw rod; 12, positioning block; 13, adjusting sleeve; 14, adjusting rotating bar; 15, lifting block; 16, moving wheel; 17, transmission rod; 18, locking block; 19, transmission belt; 20, lifting screw rod; 21, lifting screw sleeve; 22, limiting block; 23, second motor; 24, adjusting gear; 25, lifting rack frame; 26, support coaming. DETAILED DESCRIPTION

[0017] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0018] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0019] In the description of the utility model, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0020] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0021] Example one:

[0022] Please refer to Figures 1-5The utility model provides a kind of movable support platform, including several support legs 1, the cavity support platform 2 is fixedly connected above the support leg 1, mobile assembly 3 is fixedly connected inside the cavity support platform 2, mobile assembly 3 is matched with support leg 1, lifting assembly 4 is rotatably connected inside the cavity support platform 2, lifting assembly 4 is matched with mobile assembly 3, support plate 5 is fixedly connected on lifting assembly 4, several hydraulic rods 6 are fixedly connected above support plate 5, load plate 7 is fixedly connected above hydraulic rod 6, a group of limit through holes 8 are arranged on load plate 7, limit through hole 8 is matched with lifting assembly 4, support component 9 is slidably connected on the side surface of load plate 7.

[0023] The mobile assembly 3 includes a first motor 10 fixedly connected to one side of the cavity support platform 2, a bidirectional screw rod 11 rotatably connected to the first motor 10, a positioning block 12 rotatably connected to each side of the bidirectional screw rod 11, an adjusting screw sleeve 13 threadedly connected to each side of the bidirectional screw rod 11, an adjusting rotating bar 14 rotatably connected to the adjusting screw sleeve 13 and the positioning block 12, a lifting block 15 rotatably connected to one end of the adjusting rotating bar 14 away from the positioning block 12 and the adjusting screw sleeve 13, and a moving wheel 16 disposed below the lifting block 15.

[0024] Firstly, the support platform is moved to a suitable position by the mobile assembly 3, the bidirectional screw rod 11 is rotated by the first motor 10, the adjusting screw sleeve 13 connected by threads is moved, the adjusting rotating bar 14 drives the lifting block 15 to rise, and the moving wheel 16 is separated from the ground.

[0025] Example two:

[0026] Please refer to Figures 1-5 The utility model provides a kind of movable support platform, including several support legs 1, the cavity support platform 2 is fixedly connected above the support leg 1, mobile assembly 3 is fixedly connected inside the cavity support platform 2, mobile assembly 3 is matched with support leg 1, lifting assembly 4 is rotatably connected inside the cavity support platform 2, lifting assembly 4 is matched with mobile assembly 3, support plate 5 is fixedly connected on lifting assembly 4, several hydraulic rods 6 are fixedly connected above support plate 5, load plate 7 is fixedly connected above hydraulic rod 6, a group of limit through holes 8 are arranged on load plate 7, limit through hole 8 is matched with lifting assembly 4, support component 9 is slidably connected on the side surface of load plate 7.

[0027] The mobile assembly 3 includes a first motor 10 fixedly connected to one side of the cavity support platform 2, a bidirectional screw rod 11 rotatably connected to the first motor 10, a positioning block 12 rotatably connected to each side of the bidirectional screw rod 11, an adjusting screw sleeve 13 threadedly connected to each side of the bidirectional screw rod 11, an adjusting rotating bar 14 rotatably connected to the adjusting screw sleeve 13 and the positioning block 12, a lifting block 15 rotatably connected to one end of the adjusting rotating bar 14 away from the positioning block 12 and the adjusting screw sleeve 13, and a moving wheel 16 disposed below the lifting block 15.

[0028] First, the support platform is moved to the appropriate position through the moving assembly 3, the bidirectional screw rod 11 is driven to rotate through the first motor 10, the threaded adjusting nut 13 is moved under the driving of the bidirectional screw rod 11, the lifting block 15 is lifted under the driving of the adjusting rotating rod 14, and the moving wheel 16 is separated from the ground.

[0029] The transmission rod 17 is transmissionally connected with the other end of the bidirectional screw rod 11 through the bevel gear set at the two ends of the bidirectional screw rod 11, the locking block 18 is rotationally connected on the transmission rod 17, the locking block 18 is fixedly connected on the cavity support table 2, the transmission rod 17 is transmissionally connected with the other end of the bidirectional screw rod 11 through the transmission belt 19, and the transmission rod 17 is transmissionally connected with the lifting assembly 4 through the transmission belt 19.

[0030] The lifting assembly 4 comprises the lifting screw rod 20 which is transmissionally connected with the transmission rod 17, the lifting screw rod 20 is rotationally connected on the cavity support table 2, the lifting screw nut 21 is threadedly connected on the lifting screw rod 20, the lifting screw nut 21 is fixedly connected with the supporting plate 5, the limiting block 22 is fixedly connected on the top of the lifting screw nut 21, and the limiting block 22 is matched with the limiting through hole 8.

[0031] Meanwhile, the transmission rod 17 drives the lifting screw rod 20 to rotate, and the lifting screw rod 20 drives the lifting screw nut 21 to lift.

[0032] The supporting assembly 9 comprises the second motor 23, the adjusting gear 24 is rotationally connected with the second motor 23, the adjusting gear 24 is meshed with the lifting rack frame 25, the lifting rack frame 25 is fixedly connected on the supporting fence 26, and the supporting fence 26 is slidingly connected with the bearing plate 7.

[0033] Then, the lifting of the bearing plate 7 is adjusted through the hydraulic rod 6, meanwhile, the adjusting gear 24 is driven to rotate by the second motor 23, the lifting rack frame 25 is moved by the adjusting gear 24, and the supporting fence 26 is lifted to protect the bearing plate 7.

[0034] The working principle of the utility model is:

[0035] First, the support platform is moved to the appropriate position through the moving assembly 3, the bidirectional screw rod 11 is driven to rotate through the first motor 10, the threaded adjusting nut 13 is moved under the driving of the bidirectional screw rod 11, the lifting block 15 is lifted under the driving of the adjusting rotating rod 14, and the moving wheel 16 is separated from the ground. Meanwhile, the transmission rod 17 drives the lifting screw rod 20 to rotate, and the lifting screw rod 20 drives the lifting screw nut 21 to lift. Then, the lifting of the bearing plate 7 is adjusted through the hydraulic rod 6, meanwhile, the adjusting gear 24 is driven to rotate by the second motor 23, the lifting rack frame 25 is moved by the adjusting gear 24, and the supporting fence 26 is lifted to protect the bearing plate 7.

[0036] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0037] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A hydraulic lifting support platform for a fully-mechanized coal mining face, comprising a plurality of support legs (1), characterized in that, The support leg (1) is fixedly connected with a cavity support table (2) above, the cavity support table (2) is fixedly connected with a moving assembly (3) inside, the moving assembly (3) is matched with the support leg (1), the cavity support table (2) is rotatably connected with a lifting assembly (4) inside, the lifting assembly (4) is matched with the moving assembly (3), the lifting assembly (4) is fixedly connected with a support plate (5) above, a plurality of hydraulic rods (6) are fixedly connected with the support plate (5) above, a bearing plate (7) is fixedly connected with the hydraulic rod (6) above, a group of limiting through holes (8) are arranged on the bearing plate (7), the limiting through holes (8) are matched with the lifting assembly (4), and the bearing plate (7) is slidably connected with a support assembly (9) on the side.

2. The hydraulic lifting support platform for fully-mechanized coal mining face according to claim 1, characterized in that, The moving assembly (3) includes a first motor (10) fixedly connected on one side of the cavity support table (2), the first motor (10) is rotatably connected with a bidirectional screw rod (11), the bidirectional screw rod (11) is rotatably connected with a positioning block (12) on both sides, the bidirectional screw rod (11) is threadedly connected with an adjusting screw sleeve (13) on both sides, the adjusting screw sleeve (13) is rotatably connected with an adjusting rotating bar (14) below the positioning block (12), the adjusting rotating bar (14) is rotatably connected with a lifting block (15) away from the positioning block (12) and one end of the adjusting screw sleeve (13), and the lifting block (15) is provided with a moving wheel (16) below.

3. The hydraulic lifting support platform for fully-mechanized coal mining face according to claim 2, characterized in that, The bidirectional screw rod (11) is drivingly connected with a transmission rod (17) at both ends through a bevel gear set, the transmission rod (17) is rotatably connected with a locking block (18), the locking block (18) is fixedly connected on the cavity support table (2), the transmission rod (17) is drivingly connected with the other end bidirectional screw rod (11) through a transmission belt (19), and the transmission rod (17) is drivingly connected with the lifting assembly (4) through the transmission belt (19).

4. The hydraulic lifting and supporting platform for fully-mechanized coal mining face according to claim 3, characterized in that, The lifting assembly (4) includes a lifting screw rod (20) drivingly connected with the transmission rod (17), the lifting screw rod (20) is rotatably connected on the cavity support table (2), the lifting screw rod (20) is threadedly connected with a lifting screw sleeve (21) above, the lifting screw sleeve (21) is fixedly connected with the support plate (5), and the lifting screw sleeve (21) is fixedly connected with a limiting stop block (22) on the top, and the limiting stop block (22) is matched with the limiting through hole (8).

5. The hydraulic lifting support platform for fully-mechanized coal mining face according to claim 1, characterized in that, The support assembly (9) includes a second motor (23), the second motor (23) is rotatably connected with an adjusting gear (24), the adjusting gear (24) is engaged with a lifting rack frame (25), the lifting rack frame (25) is fixedly connected on a support fence (26), and the support fence (26) is slidably connected with the bearing plate (7) on the side.

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