Lifting appliance for lifting pantograph
Technical Field
The utility model relates to a lifting appliance, in particular to a lifting appliance for lifting a pantograph.
Background
The train pantograph is located the top of train, and when the pantograph needs to overhaul the change, the operation personnel can step on train maintenance platform, and maintenance platform is high with train top etc. the staff utilizes the cantilever crane of installing on maintenance platform to realize the installation and the dismantlement of pantograph.
The existing hoisting mode requires workers to use hanging strips to bind manually through hanging rings on the pantograph, and the process is complicated. Meanwhile, because the upper part of the pantograph is a 1500-volt touch net line, the lifting space of the cantilever crane is limited, and meanwhile, because the reserved space of the manual binding system is sometimes not necessarily suitable, the lifting height of the pantograph is insufficient, the pantograph cannot stably move to a maintenance platform, repeated operation of workers is caused, and time is wasted.
Therefore, the design of the lifting appliance which is suitable for lifting the pantograph and has stable lifting process is a technical problem to be solved.
Disclosure of utility model
The utility model aims to overcome the defects of unchanged and unstable lifting of a pantograph in the prior art and provides a lifting appliance for lifting the pantograph.
The aim of the utility model can be achieved by the following technical scheme:
According to one aspect of the utility model, a lifting appliance for lifting a pantograph is provided, and the lifting appliance is matched with lifting equipment to lift the pantograph, and comprises a lifting appliance main frame, a main lifting ring, a lifting hook and a lifting position adjusting plate, wherein the lifting position adjusting plate is arranged on one surface of the lifting appliance main frame far away from the ground, the lifting hook is arranged on one surface of the lifting appliance main frame close to the ground, at least two lifting ring mounting holes are arranged on the lifting position adjusting plate, the main lifting ring is arranged on the lifting position adjusting plate through the lifting ring mounting holes, the main lifting ring is connected with the lifting equipment, and the lifting hook is connected with the pantograph.
As the preferable technical scheme, the lifting hook comprises a fixed lifting ring and a universal lifting hook, wherein one end of the fixed lifting ring is fixedly connected with the lifting appliance main frame, and the other end of the fixed lifting ring is connected with the universal lifting hook.
As the preferable technical scheme, the lifting appliance further comprises a lifting chain, and the fixed lifting ring is connected with the universal lifting hook through the lifting chain.
As an optimal technical scheme, the length of the lifting chain is adjustable.
As the preferable technical scheme, the main frame of the lifting appliance is of an I-shaped structure and comprises a first lifting rod, a second lifting rod and a third lifting rod which are sequentially connected, wherein the first lifting rod and the third lifting rod are parallel to each other, and the second lifting rod is perpendicular to the first lifting rod and the third lifting rod.
As the preferable technical scheme, one end of the second suspender is connected with the midpoint of the first suspender, and the other end is connected with the midpoint of the third suspender.
As a preferable technical scheme, the lifting position adjusting plate is mounted on the second suspender.
As an optimal technical scheme, the hanging ring mounting holes are arranged in an array along the direction of the second hanging rod.
As the preferable technical scheme, the four lifting hooks are respectively arranged at the two ends of the first lifting rod and the two ends of the third lifting rod.
As the preferable technical scheme, rib plates are arranged between the first suspender and the second suspender and between the second suspender and the third suspender.
Compared with the prior art, the utility model has the following beneficial effects:
1) The utility model is suitable for lifting the pantograph, adopts the lifting position adjusting plate, has adjustable position of the main lifting ring, can ensure that the pantograph is stably lifted, is convenient for the installation operation of workers on the top of a train, and greatly improves the working efficiency and the safety of the dismounting operation of the pantograph;
2) The utility model adopts the I-shaped lifting appliance main frame, which is convenient for the vertical lifting of the pantograph, so that the stress of the pantograph is balanced, and the lifting process is more stable;
3) The utility model adopts the fixed hanging ring and the universal hanging hook to be matched for use, can increase the safety, can rotate the universal hanging hook, is suitable for hoisting at different angles, and is convenient to hoist due to the adoption of the adjustable hoisting chain, is suitable for the high and low positions of the pantograph.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a lifting appliance for lifting a pantograph;
FIG. 2 is a schematic view of a state of lifting a pantograph of the present utility model;
The reference numerals in the figures indicate:
10. The lifting device comprises a first lifting rod, 11, a second lifting rod, 12, a third lifting rod, 13, rib plates, 2, a main lifting ring, 3, a universal lifting hook, 4, a fixed lifting ring, 5, a lifting position adjusting plate, 50, a lifting ring mounting hole, 6 and a lifting chain.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
As shown in fig. 1, the utility model provides a lifting appliance for lifting a pantograph, which comprises a lifting appliance main frame, a main lifting ring 2, a universal lifting hook 3, a fixed lifting ring 4, a lifting position adjusting plate 5 and a lifting chain 6.
The main frame of the lifting appliance comprises a first lifting rod 10, a second lifting rod 11 and a third lifting rod 12, wherein the three lifting rods are sequentially connected to form an I-shaped structure, the first lifting rod 10 and the third lifting rod 12 are parallel to each other, the second lifting rod 11 is perpendicular to the first lifting rod 12 and the third lifting rod 12, and two ends of the second lifting rod 11 are respectively connected with the midpoint of the first lifting rod 10 and the midpoint of the third lifting rod 12. Ribs 13 are arranged between the first suspender 10 and the second suspender 11 as well as between the second suspender 11 and the third suspender 12, so that stability of the main frame of the lifting appliance is enhanced.
The lifting position adjusting plate 5 is mounted on the second boom 11, and a plurality of lifting ring mounting holes 50 are formed along the extending direction of the second boom 11.
The main lifting rings 2 are arranged on the lifting position adjusting plate 5 through the lifting ring mounting holes 50, and the lifting positions can be adjusted through the positions of the lifting ring mounting holes 50 arranged on the main lifting rings 2, so that the lifting is stable. The lifting hook of the lifting device is hooked with the main lifting ring 2.
Four fixed rings 4 are respectively fixed at two ends of the first suspender 10 and the third suspender 12, and each fixed ring 4 is connected with the universal ring through a lifting chain 6. The hoisting chain 6 is adjusted in length according to the size of the pantograph. The universal lifting ring can rotate, can adapt to the lifting ring with multiple angles, and can also prevent the lifting chain 6 from winding. The hanging ring on the pantograph is hooked with the universal hanging ring.
The utility model is further described by the following hoisting process:
As shown in figure 2, the main lifting ring 2 is connected with a lifting hook on the field lifting device, the lifting appliance is lifted right above a pantograph to be disassembled and assembled, after the lifting hook falls to a proper position, the universal lifting hook 3 is connected with a lifting ring on the pantograph, after all the universal lifting hooks 3 are connected with the pantograph lifting ring, the first lifting is carried out, whether the whole of the pantograph is balanced or not is observed, if the whole of the pantograph is balanced, the lifting can be continued, if the whole of the pantograph is inclined greatly, the position of the main lifting ring 2 on the lifting position adjusting plate 5 is adjusted according to the inclination degree and the direction of the pantograph, and when the lifting position adjusting plate is adjusted to a proper position, the lifting is carried out.
According to the utility model, the I-shaped lifting appliance main frame structure is arranged according to the lifting structure of the pantograph, so that the vertical lifting of the pantograph is facilitated, the stress of the pantograph is balanced, and the lifting process is more stable. The universal lifting ring and the pantograph lifting ring are matched for use, so that the safety can be improved. The lifting position adjusting plate 5 is provided with a plurality of lifting ring mounting holes 50, and the holes are used for adjusting the position of the main lifting ring 2 due to inconsistent gravity center positions of different pantographs, so that a lifting appliance can lift stably, and damage of the pantographs caused by unbalance in the lifting process is reduced. In the actual operation process, a worker can quickly position the lifting position, the lifting position is adjusted according to the stress condition of the actual pantograph, balanced lifting is convenient for the installation operation of the worker at the top of the train, the working efficiency is greatly improved, and the safety of the dismounting operation of the pantograph is higher.
According to the utility model, a targeted lifting appliance is designed according to the lifting structure of the pantograph, so that the pantograph can be lifted vertically, and the pantograph can be lifted in a narrow working space by utilizing on-site lifting equipment. The anti-drop universal lifting ring on the lifting appliance can be quickly buckled on the lifting ring on the pantograph, so that the quick operation of operators is facilitated, and after the lifting point position is adjusted, the lifting equipment can be quickly lifted. In the process of dismounting the pantograph, the utility model can well cooperate with workers to finish work, so that the trouble of manual binding is eliminated, and compared with the prior complex operation, the utility model greatly simplifies the process of lifting the pantograph, reduces the labor intensity and improves the production efficiency.
While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.