Temporary maintenance platform for maintenance of radial gate of hydraulic power plant

Abstract

The utility model relates to a temporary overhauling platform for overhauling a radial gate of a hydraulic power plant. The temporary overhauling platform comprises a supporting frame assembly and a platform assembly. The supporting frame assembly comprises at least two sets of symmetrically-arranged supporting units, each supporting unit comprises an inserting-connecting mechanism and a bearing frame, and the bearing frames are installed on the bulkhead gate through the inserting-connecting mechanisms. The bearing frame comprises vertical rods, diagonal draw bars and transverse rods, and the vertical rods, the diagonal draw bars and the transverse rods are welded to form a triangular supporting structure. The platform assembly comprises a scaffold board, the scaffold board is erected on the top of the cross rod and forms an operation platform, the operation platform can be rapidly disassembled and assembled, stability and safety are achieved, and operation risks are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of temporary maintenance platform for water and electricity plant arc door maintenance, belong to arc door maintenance technical field. BACKGROUND

[0002] When water and electricity plant arc door is replaced and anticorrosion operation is carried out in bottom water seal, in order to facilitate staff operation, usually need to erect scaffold, or erect arc ladder. Scaffold erection needs special operation qualification certificate of rigger, and staff needs high-altitude operation; staff anticorrosion operation climbs up and down on arc ladder with heavy special equipment on back, operation difficulty is big, high-falling risk is prone to appear, it is not conducive to safety work. CONTENT OF UTILITY MODEL

[0003] In order to solve the above problems existing in prior art, the utility model provides a kind of temporary maintenance platform for water and electricity plant arc door maintenance, can be quickly disassembled, and stable and safe, avoid operation risk.

[0004] The technical scheme of the utility model is as follows:

[0005] A kind of temporary maintenance platform for water and electricity plant arc door maintenance, including support frame assembly and platform assembly;The support frame assembly includes at least two groups of symmetrically arranged support units, the support unit includes plug-in mechanism and bearing frame, the bearing frame is installed on the maintenance gate by plug-in mechanism;The bearing frame includes vertical rod, inclined pull rod and cross bar, the vertical rod, inclined pull rod and cross bar are welded to form triangular support structure;The platform assembly includes footboard, and the footboard is erected on the top of the cross bar and forms operation platform.

[0006] Wherein, the cross bar is fixedly provided with connecting base plate, the connecting base plate is provided with detachable connecting mechanism, and the footboard is connected with the connecting base plate by detachable connecting mechanism;The detachable connecting mechanism includes positioning clamping groove pre-set on the connecting base plate and connecting bolt penetrating the footboard, and the opening direction of the positioning clamping groove is consistent with the extension direction of the cross bar.

[0007] Wherein, the upper surface of the connecting base plate is provided with anti-skid relief, and the bottom surface of the footboard is provided with limiting groove matched with the anti-skid relief.

[0008] Wherein, the plug-in mechanism includes vertically arranged vertical plug-in rod and transverse pressing rod, the transverse pressing rod is connected with the rod body of vertical plug-in rod by screw rod at both ends, the vertical plug-in rod is inserted into the reserved hole in the top of the maintenance gate, and the transverse pressing rod is fixed to the panel of the maintenance gate by connecting bolt.

[0009] Wherein, the side of the transverse pressing rod towards the panel of the maintenance gate is provided with hydraulic jack and pulley frame, and the pulley frame is rotatably provided with rolling pulley.

[0010] The utility model has the advantages of the following beneficial effects:

[0011] The utility model discloses a support frame assembly, a platform assembly, a plug-in mechanism, a bearing frame, a footboard, a vertical plug-in rod, a transverse pressing rod, a vertical rod, a diagonal rod and a crossbar are provided, and the vertical plug-in rod and the transverse pressing rod of the plug-in mechanism are clamped to a maintenance gate, so that stable support to the platform assembly is achieved, the risk of aerial work is effectively reduced, and the overall safety is improved.

[0012] The utility model discloses a detachable connecting mechanism of connecting base plate and footboard on crossbar, utilize the alignment and connecting bolt fixedness of positioning card slot, cooperate the inlay of antiskid convex grain and limiting recess, complete the quick installation and antiskid limiting of footboard, simplify the step of erecting, improve the operation efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0014] Fig. 2 It is the connecting base plate and footboard schematic diagram of the utility model;

[0015] Fig. 3 It is the rolling pulley and hydraulic jack schematic diagram of the utility model.

[0016] The reference signs in the drawing represent:

[0017] 1, support frame assembly;2, platform assembly;11, plug-in mechanism;12, bearing frame;21, footboard;111, vertical plug-in rod;112, transverse pressing rod;121, vertical rod;122, diagonal rod;123, crossbar;124, connecting base plate;125, positioning card slot;126, antiskid convex grain;211, limiting recess;3, hydraulic jack;4, rolling pulley. DETAILED DESCRIPTION

[0018] The utility model will be explained in detail in combination with the drawings and specific embodiment.

[0019] Please refer to Figs. 1 to 3 The utility model provides a technical scheme:

[0020] The utility model provides a kind of temporary maintenance platform for water power plant arc door maintenance, including support frame assembly 1 and platform assembly 2;Support frame assembly 1 includes at least two groups of symmetrically arranged support units, by symmetrically arranged support unit, it can evenly disperse load, improve the overall stability of platform, avoid the risk of structural deformation or overturning caused by uneven stress on one side, support unit includes plug-in mechanism 11 and bearing frame 12, bearing frame 12 is installed on maintenance gate by plug-in mechanism 11;Bearing frame 12 includes vertical rod 121, inclined rod 122 and cross bar 123, vertical rod 121, inclined rod 122 and cross bar 123 are welded to form triangular support structure, the design of triangular support structure enhances the bending and compression resistance of bearing frame 12, especially suitable for the complex stress requirement of arc door surface arc-shaped operation surface;Platform assembly 2 includes scaffold board 21, scaffold board 21 is erected on the top of cross bar 123 and forms operation platform;At the same time, the modular design of platform assembly 2 and support frame assembly 1 simplifies installation and disassembly process, reduces the dependence on special operation personnel, reduces construction cost;Preferably, the number of support units can be flexibly increased or decreased according to the gate width, for example, increase support unit to extend the platform coverage when large arc door is maintained.

[0021] Cross bar 123 is fixedly provided with connecting base plate 124, and the connecting base plate 124 is provided with detachable connecting mechanism, and the scaffold board 21 is connected with the connecting base plate 124 through the detachable connecting mechanism;The detachable connecting mechanism includes positioning clamping groove 125 pre-set on the connecting base plate 124 and connecting bolt penetrating through the scaffold board 21, and the opening direction of the positioning clamping groove 125 is consistent with the extension direction of the cross bar 123;The upper surface of the connecting base plate 124 is provided with anti-skid convex grain 126, and the bottom surface of the scaffold board 21 is provided with limiting groove 211 matched with the anti-skid convex grain 126;The engagement structure of the anti-skid convex grain 126 and the limiting groove 211 further enhances the friction force between the scaffold board 21 and the connecting base plate 124, to avoid accidental displacement caused by vibration or external force;

[0022] Specifically, the limiting groove 211 of the scaffold board 21 is aligned with the anti-skid convex grain 126 of the connecting base plate 124, and is horizontally pushed to the end of the positioning clamping groove 125 in the direction of the positioning clamping groove 125, the connecting bolt penetrates through the scaffold board 21 and the connecting base plate 124, and the nut is tightened to complete the fixation, and the reverse operation is carried out when disassembling, and the scaffold board 21 can be horizontally pulled out after the bolt is loosened;A rubber buffer layer can also be added between the connecting base plate 124 and the scaffold board 21, to absorb impact load during operation, reduce noise and wear.

[0023] The plug-in mechanism 11 comprises a vertical plug rod 111 and a transverse pressing rod 112 arranged perpendicularly to each other, the transverse pressing rod 112 is connected with the rod body of the vertical plug rod 111 through a screw rod at both ends, the vertical plug rod 111 is inserted into a reserved hole at the top of the inspection gate, the transverse pressing rod 112 is fixed to the panel of the inspection gate through a connecting bolt, and the side of the transverse pressing rod 112 is fixedly connected with the vertical rod 121 through a bolt; the vertical matching structure of the vertical plug rod 111 and the transverse pressing rod 112 can adapt to inspection gates with different thicknesses or shapes, quick clamping and fixing can be realized by adjusting the tightness of the screw rod, meanwhile, the plug-in mechanism 11 does not need to be welded or punched, damage to the gate body is avoided, and the plug-in mechanism 11 is suitable for temporary or repeated use scenes.

[0024] The above structures are all composed of No. 5 channel steel.

[0025] As a kind of preferred, the side of the transverse pressing rod 112 towards the panel of the inspection gate is provided with a hydraulic jack 3 and two groups of pulley frames, the pulley frames are provided with rolling pulleys 4 rotatably, in normal use, the transverse pressing rod 112 is lifted to a certain height by the hydraulic jack 3, so that the rolling pulleys 4 are separated from the ground, and then the transverse pressing rod 112 is fixed to the inspection gate through the bolt in the middle of the transverse pressing rod 112;When the overall structure is moved, the middle bolt is removed, and then the hydraulic jack 3 is lowered, so that the rolling pulleys 4 completely contact the inspection gate, and the overall structure can be moved by hand, so that the device can be moved to any position of the inspection gate.

[0026] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. A temporary maintenance platform for the maintenance of arc gates in hydropower plants, characterized in that: The system includes a support frame assembly (1) and a platform assembly (2). The support frame assembly (1) includes at least two sets of symmetrically arranged support units. Each support unit includes a plug-in mechanism (11) and a load-bearing frame (12). The load-bearing frame (12) is installed on the maintenance gate through the plug-in mechanism (11). The load-bearing frame (12) includes an upright (121), a tie rod (122), and a crossbar (123). The upright (121), tie rod (122), and crossbar (123) are welded to form a triangular support structure. The platform assembly (2) includes a scaffold board (21). The scaffold board (21) is erected on top of the crossbar (123) to form a working platform.

2. The temporary maintenance platform for the maintenance of the arc gate of a hydropower plant as described in claim 1, characterized in that: A connecting base plate (124) is fixedly provided on the crossbar (123). A detachable connecting mechanism is provided on the connecting base plate (124). The scaffold board (21) is connected to the connecting base plate (124) through the detachable connecting mechanism. The detachable connecting mechanism includes a positioning slot (125) preset on the connecting base plate (124) and a connecting bolt that passes through the scaffold board (21). The opening direction of the positioning slot (125) is consistent with the extension direction of the crossbar (123).

3. The temporary maintenance platform for the maintenance of the arc gate of a hydropower plant as described in claim 2, characterized in that: The upper surface of the connecting base plate (124) is provided with anti-slip ridges (126), and the bottom surface of the scaffold board (21) is provided with a limiting groove (211) that cooperates with the anti-slip ridges (126).

4. The temporary maintenance platform for the maintenance of the arc gate of a hydropower plant as described in claim 1, characterized in that: The insertion mechanism (11) includes a vertical insertion rod (111) and a horizontal pressure rod (112) arranged perpendicularly to each other. The horizontal pressure rod (112) is engaged with the rod body of the vertical insertion rod (111) by a screw. The vertical insertion rod (111) is inserted into a reserved hole at the top of the maintenance gate. The horizontal pressure rod (112) is fixed to the panel of the maintenance gate by connecting bolts.

5. A temporary maintenance platform for the maintenance of a hydropower plant arc gate as described in claim 4, characterized in that: The side of the transverse pressure bar (112) is fixedly connected to the upright (121) by bolts.

6. A temporary maintenance platform for the maintenance of a hydropower plant arc gate as described in claim 4, characterized in that: The transverse pressure bar (112) is provided with a hydraulic jack (3) and a pulley frame on the side facing the panel of the maintenance gate, and a rolling pulley (4) is rotatably provided on the pulley frame.

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