Self-weight type automatic opening and closing lifting appliance for foot plank of urban rail evacuation platform

Abstract

The utility model relates to the field of urban rail evacuation platforms, in particular to a self-weight type automatic opening and closing lifting appliance for a foot plank of an urban rail evacuation platform, which comprises a support frame, and the surface of the support frame is connected with a connecting rod through a bolt. The first motor, the T-shaped guide block, the supporting shell, the U-shaped plate, the two-way threaded rod and the moving block are matched, the fixing position can be adjusted, the two-way threaded rod is driven by the first motor to rotate, the moving block can move under the guiding effect of the T-shaped guide block, and therefore the position of the U-shaped plate is adjusted, and the fixing effect is improved. The lower pressing plate is adjusted to a proper position, so that the lower pressing plate can better press and fix the foot plank so as to adapt to the foot planks with different lengths, and the effect of fixing and lifting the foot plank is improved; and through cooperation of the stabilizing telescopic rods, the stabilizing plates, the L-shaped rods and the positioning wheels, the hoisting device has the advantage that the hoisting stability can be guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to city rail evacuation platform technical field, concretely is a kind of city rail evacuation platform walking board deadweight formula automatic opening and closing lifting appliance. BACKGROUND

[0002] City rail evacuation platform refers to the special channel for evacuation of passengers set in subway section tunnel, provides personnel evacuation in emergency, and city rail evacuation platform is constructed by walking board, and lifting appliance is needed to be used to hoist walking board when constructing city rail evacuation platform.

[0003] Through searching, the announcement No. CN221521883U is a new lifting and carrying device for sidewalk walking board, including support frame, through research and analysis, it is found that although the lifting plate efficiency is improved, but to some extent, there are still the following shortcomings.

[0004] For example, when using, only one position of walking board can be fixed and hoisted, without the function of adjusting and fixing position, so when different length walking boards appear, walking board cannot be effectively fixed and hoisted, which affects the effect of fixing and hoisting walking board, and when hoisting, without the function of ensuring lifting stability, so when hoisting walking board, it is easy to shake, which reduces the safety of hoisting, in order to solve the above technical problems, therefore we design a kind of city rail evacuation platform walking board deadweight formula automatic opening and closing lifting appliance. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of city rail evacuation platform walking board deadweight formula automatic opening and closing lifting appliance, with the advantages of adjusting fixed position and ensuring lifting stability, solve the problem of not having the function of adjusting fixed position and not ensuring lifting stability.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of city rail evacuation platform walking board deadweight formula automatic opening and closing lifting appliance, including support frame, the surface of the support frame is connected with connecting rod by bolt, the top of the connecting rod is connected with mounting plate by bolt, the surface of the mounting plate of front side is connected with second motor by bolt, the rear end of second motor shaft is penetrated to the rear side of the mounting plate of front side and is connected with winding roller by bolt, the surface of the winding roller is wound with steel wire, the surface of the mounting plate is equipped with stabilizing assembly, the stabilizing assembly includes stabilizing telescopic rod, stabilizing plate, L-shaped rod, rotating rod and positioning wheel, the bottom of the stabilizing plate is equipped with adjusting assembly, the adjusting assembly includes first motor, T-shaped guide block, support shell, U-shaped plate, bidirectional screw rod and moving block.

[0007] Preferably, the bottom end of the stable telescopic rod penetrates the surface of the connecting rod, the top of the stable plate is fixedly connected with the bottom end of the stable telescopic rod through bolts, and the bottom end of the steel rope is fixedly connected with the top of the stable plate.

[0008] Preferably, one end of the L-shaped rod is welded to one side of the stable plate, the end of the L-shaped rod away from the stable plate penetrates the surface of the support frame, the front and rear ends of the rotating rod are movably connected with the surface of the mounting plate through bearings, and the positioning wheel is fixedly sleeved on the surface of the rotating rod.

[0009] Preferably, the top of the support shell is fixedly connected with the bottom of the stable plate through bolts, the left side of the first motor is fixedly connected with the right side of the support shell through bolts, the left end of the first motor rotating shaft penetrates into the inner cavity of the support shell and is fixedly connected with the right end of the bidirectional threaded rod, and the left end of the bidirectional threaded rod is movably connected with the inner wall of the support shell through a bearing.

[0010] Preferably, the moving block is sleeved on the surface of the bidirectional threaded rod, one end of the T-shaped guide block is fixedly connected with the surface of the moving block, the other end of the T-shaped guide block penetrates to the outside of the support shell, and one side of the U-shaped plate is fixedly connected with the surface of the moving block through bolts.

[0011] Preferably, the top of the inner cavity of the U-shaped plate is connected with the hydraulic cylinder through bolts, the bottom end of the hydraulic cylinder is connected with the pressing plate through bolts, the top of the U-shaped plate is welded with the T-shaped supporting block, and the top end of the T-shaped supporting block penetrates to the top of the stable plate.

[0012] Preferably, the top of the support frame is connected with the connecting frame through bolts, the bottom end of the support frame is connected with the moving wheel through bolts, and the rear end of the winding roller is movably connected with the surface of the rear mounting plate through a bearing.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、The utility model discloses a first motor, T-shaped guide block, support shell, U-shaped plate, bidirectional threaded rod and moving block cooperate, have the advantage of adjusting fixed position, through the first motor drives bidirectional threaded rod to rotate, under the guidance of T-shaped guide block, let moving block can move, thereby the position of U-shaped plate is adjusted, is adjusted to proper position for it, makes the pressing plate can better the walking plate is pressed fixedly, thereby adapts to the walking plate of different length, has improved the effect of walking plate fixed hoisting.

[0015] 2, the utility model discloses a stable telescopic rod, stable board, L -shaped rod and positioning wheel cooperate, can guarantee the advantage of lifting stability, when lifting, through positioning wheel can guarantee the stability of steel rope retraction, when steel rope retraction, stable board moves, and stable telescopic rod follows expansion, guarantee the stability when stable board moves up and down, simultaneously through L -shaped rod is positioned to stable board, when stable board moves, also follows movement to further guarantee the stability of stable board, improve the stability when the walking board is lifted, will not appear the phenomenon of shaking. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the partial overhead explosion three-dimensional structure schematic diagram of the utility model;

[0018] Figure 3 It is the partial overhead explosion three-dimensional structure schematic diagram of the utility model;

[0019] Figure 4 It is the partial overhead explosion three-dimensional structure schematic diagram of the utility model.

[0020] In the drawing: 1, support frame;2, connecting rod;3, connecting frame;4, stable assembly;401, stable telescopic rod;402, stable board;403, L-shaped rod;404, rotating rod;405, positioning wheel;5, mounting plate;6, moving wheel;7, winding roller;8, adjusting assembly;801, first motor;802, T-shaped guide block;803, support shell;804, U-shaped plate;805, bidirectional threaded rod;806, moving block;9, second motor;10, T-shaped support block;11, lower pressing plate;12, hydraulic cylinder;13, steel rope. DETAILED DESCRIPTION

[0021] Please refer to Figures 1-4 A city rail evacuation platform walking board deadweight type automatic tensioning and releasing lifting appliance, including support frame 1, the surface of support frame 1 is connected by bolt with connecting rod 2, the top of connecting rod 2 is connected by bolt with mounting plate 5, the surface of front mounting plate 5 is connected by bolt with second motor 9, the rear end of second motor 9 rotating shaft is passed to the rear side of front mounting plate 5 and is connected by bolt with winding roller 7, the surface of winding roller 7 is wound with steel rope 13, the surface of mounting plate 5 is equipped with stable assembly 4, and stable assembly 4 includes stable telescopic rod 401, stable board 402, L-shaped rod 403, rotating rod 404 and positioning wheel 405, and the bottom of stable board 402 is equipped with adjusting assembly 8, and adjusting assembly 8 includes first motor 801, T-shaped guide block 802, support shell 803, U-shaped plate 804, bidirectional threaded rod 805 and moving block 806;

[0022] Please refer toFigure 1 and Figure 2 The bottom end of the stabilizing telescopic rod 401 penetrates the surface of the connecting rod 2, the top of the stabilizing plate 402 is fixedly connected with the bottom end of the stabilizing telescopic rod 401 through bolts, and the bottom end of the steel cable 13 is fixedly connected with the top of the stabilizing plate 402.

[0023] Please refer to Figure 1 and Figure 2 One end of the L-shaped rod 403 is welded to one side of the stabilizing plate 402, the end of the L-shaped rod 403 away from the stabilizing plate 402 penetrates the surface of the support frame 1, the front and rear ends of the rotating rod 404 are movably connected with the surface of the mounting plate 5 through bearings, and the positioning wheel 405 is fixedly sleeved on the surface of the rotating rod 404. By arranging the rotating rod 404, the positioning wheel 405 can be supported, and the positioning wheel 405 can rotate when the steel cable 13 is retracted and extended.

[0024] Please refer to Figure 1 , Figure 3 and Figure 4 The top of the support shell 803 is fixedly connected with the bottom of the stabilizing plate 402 through bolts, the left side of the first motor 801 is fixedly connected with the right side of the support shell 803 through bolts, the left end of the rotating shaft of the first motor 801 penetrates into the inner cavity of the support shell 803 and is fixedly connected with the right end of the bidirectional threaded rod 805, and the left end of the bidirectional threaded rod 805 is movably connected with the inner wall of the support shell 803 through a bearing.

[0025] Please refer to Figure 1 , Figure 3 and Figure 4 The moving block 806 is threadedly sleeved on the surface of the bidirectional threaded rod 805, one end of the T-shaped guide block 802 is fixedly connected with the surface of the moving block 806, the other end of the T-shaped guide block 802 penetrates to the outside of the support shell 803, and one side of the U-shaped plate 804 is fixedly connected with the surface of the moving block 806 through bolts.

[0026] Please refer to Figure 3 and Figure 4 The top of the inner cavity of the U-shaped plate 804 is connected with the hydraulic cylinder 12 through bolts, the bottom end of the hydraulic cylinder 12 is connected with the pressing plate 11 through bolts, the top of the U-shaped plate 804 is welded with the T-shaped supporting block 10, the T-shaped supporting block 10 can support the U-shaped plate 804, so as to ensure the stability of the U-shaped plate 804, and the top end of the T-shaped supporting block 10 penetrates to the top of the stabilizing plate 402.

[0027] Please refer to Figure 1 and Figure 2The top of the support frame 1 is bolted with a connecting frame 3, through the setting of the connecting frame 3, the stability of the support frame 1 can be ensured, the strength of the support frame 1 is improved, the bottom end of the support frame 1 is bolted with a moving wheel 6, the rear end of the winding roller 7 is movably connected with the surface of the rear mounting plate 5 through a bearing.

[0028] In use, the external controller and power supply are used, the bidirectional threaded rod 805 is driven to rotate by the first motor 801, under the guidance of the T-shaped guide block 802, the moving block 806 can move, thereby adjusting the position of the U-shaped plate 804, adjusting it to the appropriate position, thereby adapting to different lengths of walking plates, after the adjustment is completed, the U-shaped plate 804 is moved to the bottom, the walking plate is placed on the U-shaped plate 804, the hydraulic cylinder 12 is elongated to push the lower pressing plate 11 to descend, the lower pressing plate 11 can press and fix the walking plate, after the fixing is completed, the rotating rod 404 is driven to rotate by the second motor 9 to wind the steel rope 13, the walking plate is lifted by the stable plate 402, the stable telescopic rod 401 is shortened, the stability of the stable plate 402 is ensured when moving, at the same time, the stable plate 402 is limited by the L-shaped rod 403, when the stable plate 402 moves, it also moves, thereby further ensuring the stability of the stable plate 402, improving the stability when lifting the walking plate, and improving the safety.

[0029] In summary: the urban rail evacuation platform walking plate self-weight type automatic tensioning and lifting device, through the cooperation of the first motor 801, the T-shaped guide block 802, the support shell 803, the U-shaped plate 804, the bidirectional threaded rod 805, the moving block 806, the stable telescopic rod 401, the stable plate 402, the L-shaped rod 403 and the positioning wheel 405, solves the problems of not having an adjustable fixed position and not being able to ensure the stability of lifting.

Claims

1. A self-weight automatic opening and closing lifting device for urban rail evacuation platform walking boards, comprising a support frame (1), characterized in that: The surface of the support frame (1) is connected with a connecting rod (2) through bolts, the top end of the connecting rod (2) is connected with a mounting plate (5) through bolts, the surface of the mounting plate (5) on the front side is connected with a second motor (9) through bolts, the rear end of the rotating shaft of the second motor (9) penetrates to the rear side of the mounting plate (5) on the front side and is connected with a winding roller (7) through bolts, the surface of the winding roller (7) is wound with a steel wire (13), the surface of the mounting plate (5) is provided with a stabilizing assembly (4), the stabilizing assembly (4) comprises a stabilizing telescopic rod (401), a stabilizing plate (402), an L-shaped rod (403), a rotating rod (404) and a positioning wheel (405), the bottom of the stabilizing plate (402) is provided with an adjusting assembly (8), the adjusting assembly (8) comprises a first motor (801), a T-shaped guide block (802), a support shell (803), a U-shaped plate (804), a bidirectional threaded rod (805) and a moving block (806).

2. The self-weight automatic opening and closing lifting device of the urban rail evacuation platform walking board according to claim 1, characterized in that: The bottom end of the stabilizing telescopic rod (401) penetrates the surface of the connecting rod (2), the top of the stabilizing plate (402) is fixedly connected with the bottom end of the stabilizing telescopic rod (401) through bolts, and the bottom end of the steel wire (13) is fixedly connected with the top of the stabilizing plate (402).

3. The self-weight automatic opening and closing lifting device of the urban rail evacuation platform walking board according to claim 1, characterized in that: One end of the L-shaped rod (403) is welded with one side of the stabilizing plate (402), the end of the L-shaped rod (403) away from the stabilizing plate (402) penetrates the surface of the support frame (1), the front and rear ends of the rotating rod (404) are movably connected with the surface of the mounting plate (5) through bearings, and the positioning wheel (405) is fixedly sleeved on the surface of the rotating rod (404).

4. The self-weight automatic opening and closing spreader for urban rail evacuation platform walking boards according to claim 1, characterized in that: The top of the support shell (803) is fixedly connected with the bottom of the stabilizing plate (402) through bolts, the left side of the first motor (801) is fixedly connected with the right side of the support shell (803) through bolts, the left end of the rotating shaft of the first motor (801) penetrates to the inner cavity of the support shell (803) and is fixedly connected with the right end of the bidirectional threaded rod (805), and the left end of the bidirectional threaded rod (805) is movably connected with the inner wall of the support shell (803) through a bearing.

5. The self-weight automatic opening and closing spreader for urban rail evacuation platform walkway plates according to claim 1, characterized in that: The moving block (806) is threadedly sleeved on the surface of the bidirectional threaded rod (805), one end of the T-shaped guide block (802) is fixedly connected with the surface of the moving block (806), the other end of the T-shaped guide block (802) penetrates to the outside of the support shell (803), and one side of the U-shaped plate (804) is fixedly connected with the surface of the moving block (806) through bolts.

6. The self-weight automatic opening and closing spreader of urban rail evacuation platform walking board according to claim 1, characterized in that: The top of the inner cavity of the U-shaped plate (804) is connected with a hydraulic cylinder (12) through bolts, the bottom end of the hydraulic cylinder (12) is connected with a pressing plate (11) through bolts, the top of the U-shaped plate (804) is welded with a T-shaped supporting block (10), and the top end of the T-shaped supporting block (10) penetrates to the top of the stabilizing plate (402).

7. The self-weight automatic opening and closing spreader of urban rail evacuation platform walking board according to claim 1, characterized in that: The top of the support frame (1) is bolted with a connecting frame (3), the bottom end of the support frame (1) is bolted with a moving wheel (6), and the rear end of the winding roller (7) is movably connected with the surface of the rear mounting plate (5) through a bearing.

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