CN204342259U - A kind of large quality Initiator Safety hangs rotary device - Google Patents

Abstract

The utility model belongs to a hoisting device, in particular to a safety hoisting device for large-mass pyrotechnics. It includes a hoisting ring assembly, the two ends of the hoisting ring assembly are connected to the connecting beam through the rotating arm and the locking nut of the rotating arm, and the other end of the rotating arm is connected to the hanging beam assembly through a compression nut. A hook is fixed; one end of the two connecting beams is connected to the auxiliary bracket by a short bolt, and the other end of the two connecting beams is connected by a long bolt. A front hanging frame is provided, and the front hanging frame passes through long bolts at the same time, and the front hanging frame is also provided with a plurality of connecting screws. Its advantage is that the problem of no lifting point and no rotating shaft for large-mass pyrotechnics is solved by the hoisting ring assembly; the problem of large-mass pyrotechnics being hoisted and rotated is solved by the design of the front hanging frame, auxiliary support, and connecting beam. Safety problems in the process eliminate potential safety hazards; the design of the rotating arm and hanging beam components enables the lifting and turning of pyrotechnics.

Description

A safe hoisting device for large-mass pyrotechnics

technical field

The utility model belongs to a hoisting device, in particular to a safety hoisting device for pyrotechnic products.

Background technique

In the overall production process of some aerospace products, it is necessary to carry out the 90° operation of lifting and transferring pyrotechnics. The pyrotechnic product weighs about 200kg, and there must be no vibration, shock or bump during the hoisting process. The shape of the shell is basically a cylinder, with ellipsoidal crowns at both ends. There is no lifting point setting. When performing lifting operations, there is no proper focus point. How to carry out lifting operations safely and smoothly is the process. the "bottleneck". Therefore, it is very necessary to have a device for safely hoisting high-quality pyrotechnics so that the hoisting of large-mass pyrotechnics can be carried out safely and reliably.

Utility model content

The purpose of the utility model is to provide a safe hoisting device for large-mass pyrotechnics, which can realize safe and stable hoisting of large-mass pyrotechnics.

The utility model is achieved in this way, a large-mass pyrotechnic product safety hoisting device, which includes a hoisting ring assembly, a front hanging frame, a connecting screw, a fixed length sleeve, a long bolt, an auxiliary bracket, a short bolt, The connecting beam, the rotating arm, the locking nut of the rotating arm, the suspension beam assembly, and the compression nut. One end is connected to the hanging beam assembly through a compression nut, and a hook is fixed on the hanging beam assembly; one end of the two connecting beams is connected to the auxiliary bracket through a short bolt, and the other end of the two connecting beams is connected through a long bolt, and the long bolt There are fixed-length sleeves at both ends of the two fixed-length sleeves, and a front hanging frame is arranged on the inner side of the two fixed-length sleeves. The front hanging frame passes through long bolts at the same time, and the front hanging frame is also provided with a plurality of connecting screws.

The hoisting ring assembly includes a right half ring, a pin shaft, a pin lock nut, a left half ring, a rotating shaft, a bolt, and a nut, and one end of the right half ring and the left half ring passes through the pin shaft 1. The pin shaft lock nut is connected, the other end of the right half of the ring and the left half of the ring is connected by a plurality of bolts and nuts, and the outer sides of the right half of the ring and the left half of the ring are fixed with rotating shafts.

The utility model has the advantages of solving the problem of no lifting point and no rotating shaft of a large-scale pyrotechnic product through the hoisting ring assembly; The safety problem during the hoisting process eliminates potential safety hazards; the design of the rotating arm and the suspension beam assembly enables the hoisting of pyrotechnics to be realized.

Description of drawings

Fig. 1 is a schematic diagram of a large-mass pyrotechnic product safety hoisting device provided by the utility model;

Fig. 2 is a schematic diagram of the hoisting ring assembly of the utility model.

In the figure, 1 hoisting ring assembly, 2 front hanging frame, 3 connecting screw, 4 fixed length sleeve, 5 long bolt, 6 auxiliary bracket, 7 short bolt, 8 connecting beam, 9 rotating arm, 10 rotating arm lock Tightening nut, 11 suspension beam assembly, 12 compression nut, 13 right half ring, 14 pin shaft, 15 pin shaft lock nut, 16 left half ring, 17 rotating shaft, 18 bolt, 19 nut.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is introduced in detail:

As shown in Figure 1, the schematic diagram of the horizontal state of the overall structure of pyrotechnics. A safety hoisting device for large-mass pyrotechnic products includes a hoisting ring assembly 1, a front hoisting frame 2, a connecting screw 3, a fixed-length sleeve 4, a long bolt 5, an auxiliary bracket 6, a short bolt 7, and a connecting beam 8 , swivel arm 9, swivel arm lock nut 10, suspension beam assembly 11, compression nut 12. Wherein, both ends of the hoisting ring assembly 1 are connected with the connecting beam 8 through the rotating arm 9 and the locking nut 10 of the rotating arm, and the other end of the rotating arm 9 is connected with the hanging beam assembly 11 through the compression nut 12, and the hanging beam assembly 11 is fixed with a hook; one end of the two connecting beams 8 is connected with the auxiliary bracket 6 through the short bolt 7, and the other end of the two connecting beams 8 is connected through the long bolt 5, and the two ends of the long bolt 5 are covered with fixed-length Cover 4, two fixed-length cover 4 inner sides are provided with front hanging frame 2, and front hanging frame 2 passes long bolt 5 simultaneously, and front hanging frame 2 is also provided with a plurality of screws 3.

The hoisting ring assembly 1 includes a right half ring 13, a pin shaft 14, a pin shaft lock nut 15, a left half ring 16, a rotating shaft 17, a bolt 18, and a nut 19. Wherein, one end of the right half clasp 13 and the left half clasp 16 is connected by a pin shaft 14 and a pin lock nut 15, and the other end of the right half clasp 13 and the left half clasp 16 is connected by a plurality of bolts 18 and nuts 19 , the outer sides of the right half of the ring 13 and the left half of the ring 16 are fixed with a rotating shaft 17 .

A safe lifting and rotating device for large-scale pyrotechnics, which includes a lifting and rotating ring assembly, a front hanging frame, 10 connecting screws, 2 fixed-length sleeves and 2 long bolts, and an auxiliary Bracket, 2 fixing sleeves and 2 short bolts, 2 connecting beams, 2 rotating arms, 2 locking nuts of rotating arms, 1 hanging beam assembly, 2 compression nuts; the hanging ring assembly is composed of 1 right half ring, 1 left half ring, 1 pin shaft, 1 pin shaft lock nut, 4 bolts and 8 nuts are connected. After the hoisting ring assembly is assembled with the pyrotechnics, The rotating shafts on the left half ring and the right half ring form the rotating shaft of the hoisting ring; the connecting beam passes through the rotating shaft, long bolts and short bolts of the hoisting ring, and connects the front hanging frame, the hoisting ring assembly, and the auxiliary support It is connected with the pyrotechnics as a whole to ensure the safety of the pyrotechnics during hoisting; the rotating arm is installed on the rotating shaft of the hoisting ring assembly, fixed with the locking nut of the rotating arm, and can ensure that the rotating arm is in the process of hoisting Free operation; the hanging beam assembly is installed on the upper end of the rotating arm and fastened with a compression nut to ensure the safety and reliability of the pyrotechnic device during the lifting process.

The usage of the utility model is as follows:

Before the pyrotechnic product is hoisted, the front hanging frame 2 is installed on the front docking surface of the pyrotechnic product, connected and fastened with the connecting screw 3, the turning ring assembly 1 is installed on the cylindrical section of the pyrotechnic product, and bolts 18 1. Nut 19 pre-tightens the right half embracing ring 13 and the left half embracing ring 16, adjusts the rotating shaft 17 to be parallel to the direction in which the fixed-length sleeve 4 of the front hanging frame 2 is installed, and the distance is consistent with the installation hole distance of the connecting beam 8, and the connecting beam 8. The fixed-length sleeve 4 is installed on the front hanging frame 2 and fastened with long bolts 5. At the same time, the connecting beam 8 is installed on the rotating shaft 17, and the right half of the ring 13 and the left half of the ring are fastened with bolts 18 and nuts 19. 16. Install the auxiliary bracket 6 on the ellipsoid of the pyrotechnic device, fasten the connecting beam 8 and the auxiliary bracket 6 with short bolts 7, install the rotating arm 9 on the rotating shaft 17, and lock the nut with the rotating arm 10 is fixed, the suspension beam assembly 11 is installed on the rotating arm 9, and is tightened with a compression nut 12.

When the pyrotechnic product is hoisted, hang the suspension beam assembly 11 with a crane, lift the pyrotechnic product stably, manually assist the rotation of the pyrotechnic product, make the pyrotechnic product from a horizontal state, and complete the stable hanging of the pyrotechnic product.

The safety of the device is the primary factor, with the safe lifting function as the goal, using the characteristics of the pyrotechnics itself, designing the hoisting ring to fasten the cylindrical section of the pyrotechnic device; the structure of the hoisting ring component is based on the shape of the pyrotechnic product To determine the characteristics, the pyrotechnic product without a lifting point has a rotating shaft that can rotate stably by hoisting the ring, so as to facilitate the rotation of the pyrotechnic product; according to the iterative calculation of the mass center of the pyrotechnic product and the mass center of the lifting device, the rotation axis is determined Position, so that the rotating shaft is at the center of mass, to ensure labor-saving and safety during the hoisting process; according to the mechanical connection hole at the front end of the pyrotechnics, through the mechanical connection of the connecting beam, the pyrotechnics and the hoisting ring assembly are integrated to ensure The hoisting rotating shaft can be strictly determined to be installed at the center of mass and connected stably, eliminating the hidden dangers of torsion and falling off of pyrotechnics during the hoisting process, and ensuring the safety of hoisting; Based on space constraints and hoisting motion trajectory, the rotating arm and hoisting beam components are designed to realize the hoisting function of large-mass pyrotechnics.

Claims (2)

1. a large quality Initiator Safety hangs rotary device, it is characterized in that: it comprises hanging to turn embraces ring assemblies (1), front hanging frame (2), attaching screw (3), fixed length cover (4), overbolt (5), auxiliary bracket (6), lag bolt (7), tie-beam (8), pivot arm (9), pivot arm jam nut (10), hanging beam assembly (11), hold-down nut (12), the described two side ends turning armful ring assemblies (1) of hanging is connected with tie-beam (8) with pivot arm jam nut (10) by pivot arm (9), the other end of pivot arm (9) is connected with hanging beam assembly (11) by hold-down nut (12), (11) are fixed with suspension hook with hanging beam assembly, one end of two tie-beams (8) is all connected with auxiliary bracket (6) by lag bolt (7), the other end of two tie-beams (8) is connected by overbolt (5), the two ends cover of overbolt (5) has fixed length cover (4), hanging frame (2) before two fixed length cover (4) inner sides are provided with, front hanging frame (2) is simultaneously through overbolt (5), and front hanging frame (2) is also provided with multiple attaching screw (3).

2. a kind of large quality Initiator Safety as claimed in claim 1 hangs rotary device, it is characterized in that: described hanging turns an armful ring assemblies (1) and comprise right half armful of ring (13), bearing pin (14), bearing pin locknut (15), left half armful of ring (16), rotating shaft (17), bolt (18), nut (19), half armful, described right side ring (13) passes through bearing pin (14) with one end of left half armful of ring (16), bearing pin locknut (15) connects, right half armful of ring (13) passes through multiple bolt (18) with the other end of left half armful of ring (16), nut (19) connects, right half armful of ring (13) is all fixed with rotating shaft (17) with the outside of left half armful of ring (16).