Device for preventing limiting maloperation of heavy hammer of crane in low-temperature environment

Abstract

The utility model belongs to the technical field of steelmaking equipment, and discloses a device for preventing the limiting maloperation of a heavy hammer of a crane in a low-temperature environment, the device comprises a heavy hammer, a heavy hammer bracket, a guide roller, a hammer rope and a limiter, the device can be detachably connected with a steel wire rope of the crane, and the steel wire rope is arranged along the vertical direction. Through the arrangement of the guide rollers, the situation that the steel wire rope and the heavy hammer are adhered together due to the fact that the viscosity of a lubricating agent is too large is avoided when the steel wire rope is in a low-temperature environment, the safety and the stability of equipment operation are guaranteed, the safety of equipment operation is greatly improved, the production efficiency is improved, and the production cost is reduced. And the working loss of equipment operation is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of steelmaking equipment, especially a low temperature environment prevents hoist heavy hammer limit misoperation device. BACKGROUND

[0002] In the technical field of steelmaking equipment, the hoist heavy hammer limiting device is an important component to ensure the safe operation of the crane. However, in the low temperature environment, the traditional hoist heavy hammer limiting device faces some technical problems. Specifically, due to the influence of the viscosity of the wire rope lubricating grease, the hoist lifting mechanism heavy hammer is stuck, causing the upward limit to be prone to misoperation, thereby affecting the safe operation of the crane, and even causing the continuous production of the enterprise to be interrupted. In the low temperature environment, due to the excessively low temperature, the viscosity of the lubricant is further increased, and the traditional heavy hammer limiting device is more serious.

[0003] In addition, the traditional limiting device also has the problems of easy noise and energy consumption due to friction, and shortens the service life.

[0004] Therefore, in view of these deficiencies in the prior art, a new related device or apparatus is needed. SUMMARY

[0005] The utility model discloses a low temperature environment prevents hoist heavy hammer limit misoperation device to overcome the prior art's deficiency.

[0006] The utility model discloses the technical scheme that solves its technical problem is:

[0007] A low temperature environment prevents hoist heavy hammer limit misoperation device, the device includes heavy hammer, heavy hammer bracket, guide roller, hammer rope and limiter, the device can be detachably connected with the wire rope of crane and is arranged, the wire rope is arranged along the vertical direction;

[0008] The heavy hammer bracket and the hammer rope are arranged along the vertical direction, the top of the heavy hammer bracket is provided with a hook, the bottom of the hammer rope is detachably fixedly connected with the hook, the inside of the heavy hammer bracket is hollow, and one side of the heavy hammer bracket is provided with an opening, and the heavy hammer can be detachably installed in the heavy hammer bracket through the opening of the heavy hammer bracket;

[0009] The guide roller includes a guide roller arm and a guide roller shaft, the guide roller arm is arranged along the horizontal direction, the guide roller arm is arranged in parallel along the longitudinal direction and is spaced apart into two, the horizontal one side end surface of the guide roller arm is connected with the outside of the heavy hammer bracket, the horizontal other side of the guide roller arm is connected with the guide roller shaft, the guide roller shaft is arranged along the longitudinal direction, and the guide roller shaft can be detachably connected with the wire rope;

[0010] Two guide rollers are arranged parallel to each other in the vertical direction, namely an upper guide roller and a lower guide roller. The upper guide roller is arranged parallel above the lower guide roller. The length of the guide roller arm of the upper guide roller in the horizontal direction is greater than the length of the guide roller arm of the lower guide roller in the horizontal direction. The wire rope is threaded between the two guide roller arms and the guide roller shaft of the upper guide roller, and the wire rope is located on the horizontal outside of the guide roller shaft of the lower guide roller. The bottom of the wire rope extends downward from the lower guide roller.

[0011] The limiter is connected to the top of the hammer rope and is positioned above the hammer rope. The limiter can be connected to the crane and is spaced apart from the wire rope via upper and lower guide rollers.

[0012] Furthermore, the difference in the length of the roller arms of the upper guide roller and the lower guide roller is set to the diameter of the wire rope.

[0013] Furthermore, the guide roller shaft includes a ball bearing and a spindle. A spindle hole is provided inside the guide roller arm. Both the spindle hole and the spindle are arranged longitudinally, and the two ends of the spindle are coaxially connected to the spindle hole. The ball bearing is slidably connected to the outside of the spindle, and the ball bearing can rotate around the longitudinal central axis of the spindle.

[0014] The advantages and positive effects of this utility model are as follows:

[0015] 1. This utility model improves structural stability through the combined design of a counterweight bracket, guide roller mechanism, and limiter. The guide roller design not only reduces friction between the device and the wire rope, extending its service life, but also improves the stability and durability of the device, reducing noise and energy consumption caused by friction.

[0016] 2. By setting up guide rollers, this utility model prevents the wire rope from sticking together with the counterweight due to excessive viscosity of the lubricant in low-temperature environments, thus ensuring the safety and stability of equipment operation, greatly improving the safety of equipment operation, increasing production efficiency, and reducing the working wear and tear of equipment operation. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structural connection of this utility model;

[0018] Figure 2 for Figure 1 A schematic diagram of the structural connection between the omitting hammer rope limiter and the wire rope;

[0019] Figure 3 for Figure 2 Right view schematic diagram of the structural connection;

[0020] Figure 4 for Figure 1Structure connection main view schematic diagram of middle guide roller;

[0021] Figure 5 A part of the utility model is a part of the utility model. Specific implementation

[0022] The utility model will be further described in combination with specific embodiments, the following examples are only descriptive, not restrictive, and cannot limit the protection scope of the utility model.

[0023] The raw materials used in the utility model, such as no special instructions, are conventional market products, the method used in the utility model, such as no special instructions, is conventional method in the art, the mass of each substance used in the utility model is conventional use mass.The structure, connection relationship and the like not described in detail in the utility model can be understood as conventional technical means in the art.

[0024] A low-temperature environment under the crane weight hammer limit misoperation device, as shown in Figures 1 to 5 The device includes a weight 1, a weight bracket 2, a guide roller 3, a hammer rope 4 and a limiter 5, the device can be detachably connected with the steel wire rope 6 of the crane, the steel wire rope is arranged along the vertical direction;

[0025] The weight bracket and the hammer rope are arranged along the vertical direction, the top of the weight bracket is provided with a hook 2-1, the bottom of the hammer rope is detachably fixedly connected with the hook, the inside of the weight bracket is hollow, and one side of the weight bracket is open, the weight can be detachably installed in the weight bracket through the opening of the weight bracket;The weight bracket can provide support for the weight, and the weight is arranged apart from the steel wire rope;

[0026] The guide roller comprises a guide roller arm 3-1 and a guide roller shaft 3-2, the guide roller arm is arranged in a horizontal direction, the guide roller arm is arranged in parallel and spaced apart in a longitudinal direction, a horizontal one side end surface of the guide roller arm is connected with an outer side of the weight carrier, a horizontal other side of the guide roller arm is connected with the guide roller shaft, the guide roller shaft is arranged in a longitudinal direction, and the guide roller shaft is detachably connected with the steel wire rope; the guide roller is arranged in parallel and spaced apart in a vertical direction, and the guide roller comprises an upper guide roller 3-3 and a lower guide roller 3-4, the upper guide roller is arranged above the lower guide roller in parallel, the length of the guide roller arm of the upper guide roller in the horizontal direction is greater than the length of the guide roller arm of the lower guide roller in the horizontal direction, the steel wire rope is arranged between the two guide roller arms of the upper guide roller and the guide roller shaft, the steel wire rope is arranged on the horizontal outer side of the guide roller shaft of the lower guide roller, and the bottom of the steel wire rope is arranged to extend downward from the lower guide roller; the guide roller shaft and the guide roller arm can ensure that the steel wire rope is not limited in movement, and can also keep the steel wire rope in a state of moving in the vertical direction; in addition, the upper guide roller and the lower guide roller are arranged, the position of the steel wire rope is limited between the upper guide roller and the lower guide roller through the upper guide roller and the lower guide roller, the steel wire rope is arranged in spaced apart relation with the weight, and the adhesion of the steel wire rope and the weight is avoided, thereby avoiding the influence on production.

[0027] The positioner is arranged in spaced apart relation with the steel wire rope through the upper guide roller and the lower guide roller.

[0028] In the use process, the weight is arranged in the weight carrier, the steel wire rope is arranged to extend downward through the inside of the upper guide roller, the positioner is arranged on the horizontal outer side of the lower guide roller, the positioner is connected with the crane, the weight is connected with the positioner through the hammer rope, the device is assembled, the positioner is started, and the device is started.

[0029] The utility model discloses a heavy hammer bracket, guide roller mechanism and the combination design of stopper improve the stability of structure. The design of guide roller not only reduces the friction between device and steel wire rope, prolongs the service life, and also improves the stability and durability of device, reduces the noise and energy consumption generated due to friction. The utility model discloses the setting of guide roller, heavy hammer is fixed in the bracket device inside, and heavy hammer and steel wire rope are isolated, and steel wire rope passes through between upper and lower guide rollers so that steel wire rope can be used normally. The structure makes steel wire rope in low temperature environment, avoids the situation that heavy hammer and steel wire rope are adhered together due to the viscosity of the lubricating oil attached to steel wire rope being too large, avoids causing the fault of sticking, guarantees the safety and stability of equipment operation, greatly improves the safety of equipment operation, improves production efficiency, reduces the working loss of equipment operation. The device can be widely applied to metallurgical casting crane hoist mechanism.

[0030] In the embodiment, the length difference of the roller arms of the upper guide roller and the lower guide roller is set as the diameter of the steel wire rope; the structure can ensure that the steel wire rope is arranged in the vertical direction and always maintains the vertical arrangement, reducing the probability of false triggering of the stopper.

[0031] In the embodiment, the guide roller shaft includes a ball bearing 3-5 and a mandrel 3-6, the guide roller arm is internally provided with a mandrel hole (not labeled in the figure), the mandrel hole and the mandrel are longitudinally arranged, the longitudinal ends of the mandrel are coaxially connected to the mandrel hole, and the ball bearing is slidingly connected to the outside of the mandrel and can rotate around the longitudinal center axis of the mandrel; through the arrangement of the bearing and the mandrel, the steel wire rope is slidingly connected to the guide roller, greatly reducing the friction between the guide roller and the steel wire rope, improving the stability of the device, and prolonging the service life of the device.

[0032] Although the embodiments of the utility model are disclosed for the purpose of illustration, those skilled in the art can understand that various substitutions, changes and modifications are possible without departing from the spirit and scope of the utility model and the appended claims, therefore, the scope of the utility model is not limited to the disclosed content of the embodiments.

Claims

1. A low-temperature environment crane heavy hammer limit misoperation prevention device, characterized in that: The device comprises a weight, a weight bracket, a guide roller, a hammer rope and a limiter, and is detachably connected with a steel wire rope of a crane. The weight bracket and the hammer rope are arranged in a vertical direction, the top of the weight bracket is provided with a hook, the bottom of the hammer rope is detachably and fixedly connected with the hook, the inside of the weight bracket is hollow, and one side of the weight bracket is open, and the weight is detachably arranged in the weight bracket through the opening of the weight bracket. The guide roller comprises a guide roller arm and a guide roller shaft, the guide roller arm is arranged in a horizontal direction, two guide roller arms are arranged in parallel along a longitudinal direction, one side of the guide roller arm is connected with the outside of the weight bracket, and the other side of the guide roller arm is connected with the guide roller shaft, and the guide roller shaft is arranged in a longitudinal direction. The guide roller is arranged in parallel along a vertical direction, and comprises an upper guide roller and a lower guide roller, the upper guide roller is arranged above the lower guide roller, the length of the guide roller arm of the upper guide roller along a horizontal direction is greater than that of the lower guide roller, the steel wire rope is arranged between the two guide roller arms of the upper guide roller and the guide roller shaft, and the steel wire rope is arranged outside the guide roller shaft of the lower guide roller along a horizontal direction, and the bottom of the steel wire rope is arranged to extend downward from the lower guide roller. The limiter is connected with the top of the hammer rope, and is arranged above the hammer rope, the limiter is connected with the crane, and the limiter and the steel wire rope are arranged in parallel through the upper guide roller and the lower guide roller.

2. The crane weight limiter device in low temperature environment according to claim 1, characterized in that: The length difference between the guide roller arms of the upper guide roller and the lower guide roller is equal to the diameter of the steel wire rope.

3. The crane weight limiter device in low temperature environment according to claim 1, characterized in that: The guide roller shaft comprises a ball bearing and a mandrel, the guide roller arm is provided with a mandrel hole, the mandrel hole and the mandrel are arranged in a longitudinal direction, the longitudinal ends of the mandrel are coaxially connected with the mandrel hole, and the ball bearing is slidably connected with the outside of the mandrel and can rotate around the longitudinal center axis of the mandrel.

Images