Supporting platform for driving working face to pass through goaf

Abstract

The utility model relates to the technical field of goaf supporting, in particular to a supporting platform for a driving face to pass through a goaf, which comprises a bottom plate, a limiting cylinder fixed in the middle of the upper side of the bottom plate, a toothed bar slidably arranged on the inner side of the limiting cylinder, a supporting plate fixed at the top end of the toothed bar, and an opening formed in one side of the limiting cylinder. Hinge seats are fixed to the positions, above and below the opening, of one side of the limiting cylinder, a worm meshed with the toothed bar is rotationally arranged between the hinge seats, a first bevel gear is fixed to the position, below the hinge seats, of the bottom end of the worm, a positioning seat is fixed to one side of the limiting cylinder, and a second bevel gear meshed with the first bevel gear is rotationally arranged at one end of the positioning seat. Positioning structures are arranged at the four corners between the bottom plate and the supporting plate, a top plate structure is arranged above the supporting plate, and a moving assembly is arranged on the inner side of the bottom plate. The temporary supporting structure solves the problems that an existing temporary supporting structure wastes time in assembly, is low in supporting strength and is inconvenient to move.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of goaf support, and particularly relates to a support platform for driving face passing through goaf. BACKGROUND

[0002] The goaf support platform of the driving face is usually referred to as temporary support, which is a temporary structure used for maintaining the safety of the roadway and the working space before the permanent support is erected at the driving face in the shaft and gallery construction.

[0003] The existing temporary support structure generally comprises a steel pipe and a support plate, the support frame structure is built by using the steel pipe, and then the support plate is fixedly arranged at the top end of the support frame to perform temporary support. SUMMARY

[0004] The utility model wants to solve the technical problem that the existing temporary support structure is time-consuming to assemble, has low support strength and is inconvenient to move.

[0005] To solve the above problems, the utility model adopts the technical scheme of a support platform for driving face passing through goaf, which comprises a bottom plate, a limiting cylinder is fixed at the middle of the upper side of the bottom plate, a tooth rod is slidably arranged in the inner side of the limiting cylinder, a support plate is fixed at the top end of the tooth rod, an opening is formed in one side of the limiting cylinder, a hinge seat is fixed above and below the opening on one side of the limiting cylinder, a worm meshing with the tooth rod is rotatably arranged between the hinge seats, a bevel gear one is fixed at the bottom end of the worm below the hinge seat, a positioning seat is fixed on one side of the limiting cylinder, a bevel gear two meshing with the bevel gear one is rotatably arranged at one end of the positioning seat, a positioning structure is arranged between the bottom plate and the support plate at four corners, a top plate structure is arranged above the support plate, and a moving assembly is arranged in the inner side of the bottom plate.

[0006] As a further scheme of the utility model, the positioning structure comprises a positioning cylinder fixed on the upper side of the bottom plate, a positioning rod is fixed in the positioning cylinder on the lower side of the support plate, a plurality of limiting holes are formed in the side surface of the positioning cylinder, a through hole is fixed in the side surface of the positioning rod, a positioning pin is inserted into the through hole and the limiting hole, and the positioning pin is used for auxiliary support and limiting of the support plate.

[0007] As a further scheme of the utility model: the top plate structure includes the top plate body above the support plate, the adjusting screw is arranged on the lower side of the top plate body and rotates through the support plate, the support plate is provided with a threaded hole at the adjusting screw, the height of the top plate body can be controlled by rotating the adjusting screw, a plurality of limiting rods are fixed on the lower side of the top plate body, the limiting hole is arranged on the upper side of the support plate and located at the limiting rod, and the position of the top plate body is limited.

[0008] As a further scheme of the utility model: the moving assembly includes the hinged table fixed on the upper side of the bottom plate, the wheel frame is hinged at the hinged table, the clamping groove is arranged on both sides of the wheel frame, the clamping plate is rotatably arranged in the clamping groove on the upper side of the bottom plate, and the universal wheel is rotatably arranged at the bottom of the wheel frame, so that the wheel frame can be rotatably stored when supporting, and the equipment can be conveniently moved when falling.

[0009] As a further scheme of the utility model: the bevel gear two is fixed with a crank handle on one side, the adjusting screw is fixed with a handle at the bottom end, the clamping plate is fixed with a convex rod on the upper side, and the bevel gear two, the adjusting screw and the clamping plate can be conveniently rotated respectively.

[0010] Compared with the prior art, the utility model has the advantages that the worm gear structure is added, the top plate can be conveniently and quickly supported, the supporting effect of the top plate is achieved, the moving assembly is arranged through hinging, the positioning is achieved through the clamping plate structure, the movement of the equipment is facilitated, and the equipment can be conveniently stored when supporting. BRIEF DESCRIPTION OF DRAWINGS

[0011] The drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0012] Figure 1 It is an overall structure perspective view of the supporting platform of the utility model for driving face passing through the goaf.

[0013] Figure 2 It is a partial structure sectional view of the supporting platform of the utility model for driving face passing through the goaf.

[0014] Figure 3 It is an enlarged view of A part structure of the supporting platform of the utility model for driving face passing through the goaf.

[0015] Figure 4 It is an enlarged view of B part structure of the supporting platform of the utility model for driving face passing through the goaf.

[0016] Figure 5 It is an enlarged view of C part structure of the supporting platform of the utility model for driving face passing through the goaf.

[0017] Figure 6 Figure D is a structure of the supporting platform in the goaf passing area of the tunneling working face.

[0018] In the drawings:

[0019] 1, bottom plate; 2, limiting cylinder; 3, rack; 4, support plate; 5, hinged seat; 6, worm; 7, bevel gear one; 8, positioning seat; 9, bevel gear two; 10, positioning cylinder; 11, positioning rod; 12, positioning pin; 13, top plate body; 14, adjusting screw; 15, limiting rod; 16, wheel frame; 17, clamping plate; 18, universal wheel; 2.1, opening; 16.1, clamping groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] The present application provides a technical solution: in order to solve the existing problems raised in the background art.

[0022] In combination with the accompanying Figures 1-3 It can be known that the bottom plate 1 is fixed with the limiting cylinder 2 on the middle part of the upper side, the rack 3 is slidably arranged in the inner side of the limiting cylinder 2, the support plate 4 is fixed on the top end of the rack 3, the opening 2.1 is formed on one side of the limiting cylinder 2, the hinged seats 5 are fixed on the upper and lower sides of the opening 2.1 on one side of the limiting cylinder 2, the worm 6 engaged with the rack 3 is rotatably arranged between the hinged seats 5, the bevel gear one 7 is fixed on the bottom end of the worm 6 below the hinged seats 5, the positioning seat 8 is fixed on one side of the limiting cylinder 2, the bevel gear two 9 engaged with the bevel gear one 7 is rotatably arranged on one end of the positioning seat 8, the positioning structure is arranged between the bottom plate 1 and the support plate 4 at four corners, the top plate structure is arranged above the support plate 4, the moving assembly is arranged on the inner side of the bottom plate 1, the handle is fixed on one side of the bevel gear two 9, the handle is fixed on the bottom end of the adjusting screw 14, the protruding rod is fixed on the upper side of the clamping plate 17, and the bevel gear two 9, the adjusting screw 14 and the clamping plate 17 can be respectively and conveniently rotated.

[0023] In combination with the accompanying Figure 2 , 4 It can be known that the positioning structure includes the positioning cylinder 10 fixed on the upper side of the bottom plate 1, the positioning rod 11 is fixed in the positioning cylinder 10 on the lower side of the support plate 4, a plurality of limiting holes are formed on the side surface of the positioning cylinder 10, the through hole is fixed on the side surface of the positioning rod 11, and the positioning pin 12 is inserted into the through hole and the limiting hole, so as to assist the support and limiting of the support plate 4.

[0024] In combination with the accompanying Figure 2 , 5 , it can be known that the top plate structure comprises a top plate body 13 located above the support plate 4, an adjusting lead screw 14 is rotatably arranged at the lower side of the top plate body 13 through the support plate 4, a threaded hole is arranged at the adjusting lead screw 14 of the support plate 4, the height of the top plate body 13 can be controlled by rotating the adjusting lead screw 14, a plurality of limiting rods 15 are fixed at the lower side of the top plate body 13, a limiting hole is arranged at the limiting rod 15 of the upper side of the support plate 4, and the position of the top plate body 13 is limited.

[0025] In combination with the accompanying Figure 2 , 6 , it can be known that the moving assembly comprises a hinged table fixed on the upper side of the bottom plate 1, a wheel frame 16 is hinged at the hinged table, clamping grooves 16.1 are arranged on both sides of the wheel frame 16, a clamping plate 17 is rotatably arranged in the clamping groove 16.1 of the upper side of the bottom plate 1, universal wheels 18 are rotatably arranged at the bottom of the wheel frame 16, and the wheel frame 16 can be rotatably stored when supporting, and the equipment can be easily moved when falling.

[0026] The working principle of the present application is that when temporary support is carried out in the goaf, the moving assembly is in a falling state, at this time the clamping plate 17 is clamped in the clamping groove 16.1 for fixation, so as to facilitate the movement of the equipment, when the equipment is moved to the position to be supported, the clamping plate 17 is separated from the clamping groove 16.1, and then the wheel frame 16 is turned up to be stored;

[0027] When the moving assembly is stored, the bottom plate 1 is in contact with the bottom surface, then the bevel gear two 9 drives the bevel gear one 7 to rotate, the bevel gear one 7 rotates to drive the worm 6 to rotate, the worm 6 rotates to drive the toothed rod 3 to move, so as to drive the support plate 4 to move upwards, until the top plate body 13 is in contact with the top of the goaf, and temporary support is carried out, if the height of the support plate 4 is not enough, the top plate body 13 can be moved upwards by rotating the adjusting lead screw 14, and temporary support is carried out.

[0028] The above describes the present application and its embodiments, which are not limited, and the embodiments shown in the drawings are only one of the embodiments of the present application, and the actual structure is not limited thereto. In general, if a person skilled in the art is inspired thereby, without departing from the creative purpose of the present application, similar structural modes and embodiments are designed without creativity, which should belong to the protection scope of the present application.

Claims

1. A support platform for tunneling faces passing through goaf areas, comprising a base plate (1), characterized in that: A limiting cylinder (2) is fixed in the middle of the upper side of the base plate (1). A toothed rod (3) is slidably provided inside the limiting cylinder (2). A support plate (4) is fixed at the top of the toothed rod (3). An opening (2.1) is provided on one side of the limiting cylinder (2). A hinge seat (5) is fixed above and below the opening (2.1) on one side of the limiting cylinder (2). A worm (6) that meshes with the toothed rod (3) is rotatably provided between the hinge seats (5). A bevel gear (7) is fixed at the bottom end of the worm (6) below the hinge seat (5). A positioning seat (8) is fixed on one side of the limiting cylinder (2). A bevel gear (9) that meshes with the bevel gear (7) is rotatably provided at one end of the positioning seat (8). A positioning structure is provided at each of the four corners between the base plate (1) and the support plate (4). A top plate structure is provided above the support plate (4). A moving component is provided inside the base plate (1).

2. The support platform for tunneling faces crossing goaf areas according to claim 1, characterized in that: The positioning structure includes a positioning cylinder (10) fixed on the upper side of the base plate (1), a positioning rod (11) fixed in the positioning cylinder (10) on the lower side of the support plate (4), a number of limiting holes are opened on the side of the positioning cylinder (10), a through hole is fixed on the side of the positioning rod (11), and a positioning pin (12) is inserted in the through hole and the limiting hole.

3. A support platform for tunneling faces crossing goaf areas according to claim 1, characterized in that: The top plate structure includes a top plate body (13) located above the support plate (4). An adjusting screw (14) is rotatably provided on the lower side of the top plate body (13) through the support plate (4). A threaded hole is provided on the support plate (4) at the adjusting screw (14). Several limiting rods (15) are fixed on the lower side of the top plate body (13). Limiting holes are provided on the upper side of the support plate (4) at the limiting rods (15).

4. A support platform for tunneling faces crossing goaf areas according to claim 1, characterized in that: The movable component includes a hinge platform fixed on the upper side of the base plate (1), a wheel frame (16) hinged at the hinge platform, a snap-fit ​​groove (16.1) is provided on both sides of the wheel frame (16), a snap-fit ​​plate (17) is rotatably provided on the upper side of the base plate (1) in the snap-fit ​​groove (16.1), and a universal wheel (18) is rotatably provided at the bottom of the wheel frame (16).

5. A support platform for tunneling faces crossing goaf areas according to claim 1, characterized in that: A crank is fixed to one side of the bevel gear (9), a handle is fixed to the bottom of the adjusting screw (14), and a protruding rod is fixed to the upper side of the snap-fit ​​plate (17).

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