Supporting device for unloading steel arch

Abstract

The utility model discloses a supporting device for unloading a steel arch frame, which comprises a fixed slide rail, a top seat, a hoisting mechanism, a security mechanism, a fixed seat, a displacement mechanism and an unloading clamping mechanism, the hoisting mechanism comprises a rolling shaft, a rolling motor, a hoisting belt and a fixed pulley; the security and protection mechanism comprises a hoisting box, a limiting sliding block, a security and protection fence, an opening and closing door, a connecting sleeve and a safety bandage, the displacement mechanism comprises a fixing box, a lead screw, a driving motor and a seat with a nut, and the unloading clamping mechanism comprises a lifting air cylinder, a straight rack, a connecting seat, a driven gear and a clamping seat. The utility model belongs to the technical field of steel arch support, the winding motor is started to drive the hoisting belt to be wound and unwound, so that the hoisting box is conveniently driven to be stably hoisted and lifted, and meanwhile, constructors can be safely bound and flexibly moved through the safety binding belt; the lifting air cylinder is started to drive the clamping base to move so as to clamp the steel arch frame to be unloaded, and the driving motor is started to drive the lead screw to rotate so that the position of the clamping base can be automatically adjusted.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel arch support, in particular to a support device for unloading a steel arch. Background Art

[0002] The steel arch is a two-hinged steel truss arch, consisting of standard truss segments, reinforced truss segments, end triangle trusses, and a connecting system. The trusses are connected with pins to form the steel arch trusses, which are then connected with connecting systems and bolts to form the overall arch structure. Currently, support devices are required to assist in the unloading of the steel arch.

[0003] The existing support devices for unloading steel arch frames are mostly fixed construction supports, which are inconvenient for stably lifting and lowering construction personnel to unload steel arch frames at different heights, and it is inconvenient to equip construction personnel with flexible and shifted efficient security structures. It is also inconvenient to automatically adjust the support clamping structure to dismantle the steel arch frame according to unloading requirements. Therefore, a support device for unloading steel arch frames is urgently needed to solve the above problems. Utility Model Content

[0004] The technical problem to be solved by the utility model is that the current steel arch frame unloading support device is inconvenient for construction personnel to automatically and stably lift and lower the frame, is inconvenient to be equipped with an efficient security structure with flexible displacement, and is inconvenient to equip the steel arch frame with an automatically adjusted clamping mechanism to assist in disassembly.

[0005] In order to achieve the above functions, the technical solution adopted by the present invention is as follows: a support device for unloading a steel arch frame, including a fixed slide rail, and a top seat fixedly arranged on the fixed slide rail, and also including a lifting mechanism, the lifting mechanism is arranged on the top seat, and also including a security mechanism, the security mechanism is arranged on the lifting mechanism, the side wall of the security mechanism is fixedly connected with a fixed seat, and also including a displacement mechanism and an unloading clamping mechanism, the displacement mechanism and the unloading clamping mechanism are both arranged on the lifting mechanism.

[0006] In order to smoothly achieve the purpose of convenient, automated and stable lifting and lowering of construction personnel, the lifting mechanism includes a winding shaft rotatably connected between the two side walls of the top seat, a winding motor that drives the winding shaft to rotate is fixed on one side wall of the top seat, a lifting belt is wrapped around the winding shaft, and the other end of the top seat is rotatably connected to a fixed pulley that is slidably connected to the lifting belt.

[0007] In order to smoothly achieve the purpose of conveniently equipping construction personnel with an efficient security structure that can be flexibly shifted, the security mechanism includes a hoisting box fixedly connected to the end of the hoisting belt, a limiting slider fixedly provided on the side wall of the hoisting box and slidably connected to a fixed slide rail, a security fence fixedly provided at the lower end of the hoisting box, an opening and closing door hingedly connected to the side wall of the security fence, a connecting sleeve slidingly connected to the security fence, and a safety strap fixedly connected to the connecting sleeve.

[0008] In order to smoothly achieve the purpose of convenient and automated adjustment of the position of the unloading clamping mechanism, the displacement mechanism includes a fixed box fixedly connected to the fixed seat, a screw rod is rotatably connected between the two side walls of the fixed box, a driving motor for driving the screw rod to rotate is fixed on one side wall of the fixed box, and a nut seat with a nut connected to the fixed box in a sliding manner is threaded on the screw rod.

[0009] In order to smoothly and conveniently equip the steel arch frame with a clamping mechanism for unloading, the unloading clamping mechanism includes a lifting cylinder fixedly connected to a nut seat, the telescopic end of the lifting cylinder is connected to a spur rack, and the fixed end of the lifting cylinder is penetrated by a connecting seat fixed to it, and the spur rack is meshed with a driven gear rotatably connected to the side wall of the connecting seat, and the driven gear is fixedly connected to the clamping seat.

[0010] Furthermore, a support fixedly connected to the bottom of the fixing box is fixedly connected to the fixing seat, an opening slidably connected to the nut seat is provided on the side wall of the fixing box, and an anti-slip layer is fixedly attached to the clamping seat.

[0011] Furthermore, the top seat is symmetrically arranged at both ends of the fixed slide rail, the lifting belt is symmetrically arranged at both ends of the reel, and the driven gear is symmetrically arranged at both ends of the spur rack.

[0012] Preferably, the top seat is arranged in an inverted L-shape, the fixing seat is arranged in a triangle shape, and the connecting seat is arranged in a U-shape.

[0013] The beneficial effects achieved by the utility model using the above structure are as follows:

[0014] 1. By turning on the reeling motor, the lifting belt can be retracted and extended, which facilitates the stable lifting and lifting of the lifting box. At the same time, the construction workers can be safely tied up and moved flexibly through the safety straps;

[0015] 2. By turning on the lifting cylinder, the clamping seat can be driven to move to clamp the steel arch to be unloaded. Turning on the drive motor drives the screw to rotate to facilitate automatic adjustment of the position of the clamping seat. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of a support device for unloading a steel arch proposed in this scheme;

[0017] Figure 2 This is a schematic structural diagram from another angle of a support device for unloading a steel arch proposed in this scheme;

[0018] Figure 3 A cross-sectional view of a support device for unloading a steel arch proposed in this scheme;

[0019] Figure 4 This is a cross-sectional view from another angle of a support device for unloading a steel arch proposed in this scheme.

[0020] Among them, 1. Fixed slide rail; 2. Top seat; 3. Lifting mechanism; 4. Security mechanism; 5. Fixed seat; 6. Displacement mechanism; 7. Unloading clamping mechanism; 8. Reeling shaft; 9. Reeling motor; 10. Lifting belt; 11. Fixed pulley; 12. Lifting box; 13. Limiting slider; 14. Security fence; 15. Opening and closing door; 16. Connecting sleeve; 17. Safety strap; 18. Fixed box; 19. Screw; 20. Driving motor; 21. Nut seat; 22. Lifting cylinder; 23. Straight rack; 24. Connecting seat; 25. Driven gear; 26. Clamping seat.

[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0023] like Figure 1 As shown, in order to achieve the above functions, the technical solution adopted by the utility model is as follows: a support device for unloading a steel arch frame, comprising a fixed slide rail 1, and a top seat 2 fixedly arranged on the fixed slide rail 1, the top seat 2 being symmetrically arranged at both ends of the fixed slide rail 1, the top seat 2 being arranged in an inverted L shape, and also comprising a lifting mechanism 3, the lifting mechanism 3 being arranged on the top seat 2, and also comprising a security mechanism 4, the security mechanism 4 being arranged on the lifting mechanism 3, a fixed seat 5 being fixedly connected to the side wall of the security mechanism 4, the fixed seat 5 being arranged in a triangular shape, and also comprising a displacement mechanism 6 and an unloading clamping mechanism 7, the displacement mechanism 6 and the unloading clamping mechanism 7 being both arranged on the lifting mechanism 3.

[0024] like Figure 2 As shown, the lifting mechanism 3 includes a winding shaft 8 rotatably connected between the two side walls of the top seat 2, a winding motor 9 for driving the winding shaft 8 to rotate is fixedly provided on one side wall of the top seat 2, a lifting belt 10 is wound around the winding shaft 8, and the lifting belt 10 is symmetrically arranged at both ends of the winding shaft 8, and a fixed pulley 11 rotatably connected to the other end of the top seat 2 and slidingly connected to the lifting belt 10.

[0025] like Figure 1 、 2As shown in Figure 4, the security mechanism 4 includes a lifting box 12 fixedly connected to the end of the lifting belt 10, a limiting slider 13 fixedly provided on the side wall of the lifting box 12 and slidably connected to the fixed slide rail 1, a security fence 14 fixedly provided at the lower end of the lifting box 12, an opening and closing door 15 hingedly connected to the side wall of the security fence 14, a connecting sleeve 16 slidingly sleeved on the security fence 14, and a safety strap 17 fixedly connected to the connecting sleeve 16.

[0026] like Figure 3 As shown, the displacement mechanism 6 includes a fixed box 18 fixedly connected to the fixed seat 5, a support fixedly connected to the bottom of the fixed box 18 is fixedly connected to the fixed seat 5, a screw rod 19 is rotatably connected between the two side walls of the fixed box 18, a driving motor 20 for driving the screw rod 19 to rotate is fixed on one side wall of the fixed box 18, a nut seat 21 slidably connected to the fixed box 18 is threadedly connected to the screw rod 19, and an opening is provided on the side wall of the fixed box 18 to be slidably connected to the nut seat 21.

[0027] like Figure 4 As shown, the unloading clamping mechanism 7 includes a lifting cylinder 22 fixedly connected to a nut seat 21, the telescopic end of the lifting cylinder 22 is connected to a spur rack 23, and the fixed end of the lifting cylinder 22 is penetrated by a connecting seat 24 fixed thereto, and the connecting seat 24 is U-shaped, and a driven gear 25 is meshed and connected to the spur rack 23 and rotatably connected to the side wall of the connecting seat 24. The driven gears 25 are symmetrically arranged at both ends of the spur rack 23, and a clamping seat 26 is fixedly connected to the driven gear 25, and an anti-slip layer is fixedly adhered to the clamping seat 26.

[0028] When in use, after rotating the opening and closing door 15 to open, it is convenient for construction workers to enter the security fence 14. After rotating the opening and closing door 15 to close, tying the safety belt 17 on the construction workers can improve the safety of construction. The connecting sleeve 16 slides on the security fence 14 to facilitate the construction workers to flexibly move in the security fence 14. Turn on the winding motor 9 to make it rotate forward to drive the winding shaft 8 to rotate, and the lifting belt 10 is then wound on the winding shaft 8 and supported by the moving lifting belt 10 under the rolling action of the fixed pulley 11. Then the lifting box 12 rises and drives the limit slider 13 to slide steadily along the fixed slide rail 1, so that the construction workers in the security fence 14 can rise and adjust the height of the unloading steel arch frame. , adjust it to a position convenient for unloading construction and stop the winding motor 9. The user turns on the drive motor 20 to drive the screw rod 19 to rotate, and the nut seat 21 is translated along the opening of the fixed box 18, so as to adjust the position of the clamping seat 26. When the clamping seat 26 is adjusted to a position convenient for unloading support of the steel arch frame, stop the drive motor 20, turn on the lifting cylinder 22 to shorten it and drive the straight rack 23 to translate downward, then the two sets of driven gears 25 are engaged and rotated to drive the two sets of clamping seats 26 to move relative to each other to clamp the steel arch frame to be unloaded. After turning on the drive motor 20 again, the position of the clamping seat 26 and the steel arch frame can be readjusted for auxiliary disassembly. The above is the entire use process of the support device for unloading the steel arch frame.

[0029] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

[0031] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.

Claims

1. A support device for unloading a steel arch, comprising a fixed slide rail and a top seat fixedly mounted on the fixed slide rail, characterized in that: It also includes a lifting mechanism, which is arranged on the top seat, a security mechanism, which is arranged on the lifting mechanism, and a fixed seat is fixedly connected to the side wall of the security mechanism. It also includes a displacement mechanism and an unloading clamping mechanism, and the displacement mechanism and the unloading clamping mechanism are both arranged on the lifting mechanism.

2. A steel arch unloading support device according to claim 1, characterized in that: The lifting mechanism includes a winding shaft rotatably connected between the two side walls of the top seat, a winding motor for driving the winding shaft to rotate is fixed on one side wall of the top seat, a lifting belt is wound around the winding shaft, and a fixed pulley rotatably connected to the lifting belt is provided at the other end of the top seat.

3. The steel arch unloading support device according to claim 2, characterized in that: The security mechanism includes a hoisting box fixedly connected to the end of the hoisting belt, a limit slider slidably connected to a fixed slide rail is fixedly provided on the side wall of the hoisting box, a security fence is fixedly provided at the lower end of the hoisting box, an opening and closing door is hingedly connected to the side wall of the security fence, a connecting sleeve is slidably sleeved on the security fence, and a safety strap is fixedly connected to the connecting sleeve.

4. A steel arch unloading support device according to claim 3, characterized in that: The displacement mechanism includes a fixed box fixedly connected to the fixed seat, a screw rod is rotatably connected between the two side walls of the fixed box, a driving motor for driving the screw rod to rotate is fixed on one side wall of the fixed box, and a nut seat with a nut connected to the fixed box in a sliding manner is threaded on the screw rod.

5. The steel arch unloading support device according to claim 4, characterized in that: The unloading clamping mechanism includes a lifting cylinder fixedly connected to a nut seat, the telescopic end of the lifting cylinder is connected to a spur rack, the fixed end of the lifting cylinder is penetrated by a connecting seat fixed to it, the spur rack is meshed with a driven gear rotatably connected to the side wall of the connecting seat, and the driven gear is fixedly connected to the clamping seat.

6. The steel arch unloading support device according to claim 5, characterized in that: The fixing seat is fixedly connected with a support fixed to the bottom of the fixing box, the side wall of the fixing box is provided with an opening slidably connected to the nut seat, and the clamping seat is fixedly attached with an anti-slip layer.

7. The steel arch unloading support device according to claim 6, characterized in that: The top seat is symmetrically arranged at the two ends of the fixed slide rail, the lifting belt is symmetrically arranged at the two ends of the reel, and the driven gear is symmetrically arranged at the two ends of the spur rack.

8. The steel arch unloading support device according to claim 7, characterized in that: The top seat is arranged in an inverted L shape, the fixing seat is arranged in a triangle shape, and the connecting seat is arranged in a U shape.

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