Groove jumping prevention device suitable for steel wire rope of crown block grab bucket pulley block

Abstract

The groove jumping prevention device is provided with a left base plate and a right base plate, a plurality of arc-shaped rods which are evenly arranged at intervals are arranged between the left base plate and the right base plate, and the two ends of each arc-shaped rod are welded to the left base plate and the right base plate respectively. A steel wire rope passes through the space between every two adjacent arc-shaped rods; shaft sleeve rings are arranged below the front sides and the rear sides of the bottoms of the left base plate and the right base plate respectively, each shaft sleeve ring is welded and connected with the bottoms of the left base plate and the right base plate above through diagonal draw bars on the left side and the right side respectively to form a whole, and the shaft sleeve rings are arranged on corresponding pulley shafts in a sleeving mode in the using process; the device is an improvement aiming at the local structure of the grab bucket of the crown block, and is applied to the pulley block, so that the situation that the steel wire rope jumps out of the groove in the operation process can be effectively prevented, the operation rate of equipment is greatly increased, meanwhile, the cost of the equipment is effectively saved, and the device has good practical use and popularization values.

Description

Technical Field

[0001] The utility model relates to the technical field of overhead crane operation equipment, in particular to an anti-slot jump device suitable for a steel wire rope of an overhead crane grab pulley block. Background Art

[0002] The coal injection workshop of a steelmaking plant usually has multiple dry coal sheds, each of which is equipped with a grab crane. Coal grabbing operations are required every day with a high frequency. During the coal grabbing operation, the wire rope of the grab crane often jumps due to the uneven topography of the coal pile, resulting in the wire rope being knotted, bent, damaged, and broken from time to time.

[0003] According to safety requirements, damaged wire ropes must be replaced. According to statistics, wire ropes need to be replaced 2 to 3 times per vehicle per month on average, which consumes a lot of wire ropes and directly increases spare parts costs. At the same time, wire rope skipping will also damage the pulley block. According to statistics, the pulley block is replaced 1 to 2 times per year on average due to wire rope skipping. Utility Model Content

[0004] The purpose of the utility model is to provide an anti-slot-jumping device suitable for the wire rope of the overhead crane grab pulley block in view of the above situation. The application of the anti-slot-jumping device can effectively prevent the wire rope from jumping during operation and increase the equipment operation rate.

[0005] The specific scheme of the utility model is: an anti-jumping groove device suitable for the wire rope of the overhead crane grab pulley group, comprising a left base plate and a right base plate, a plurality of arc rods evenly spaced are arranged between the left base plate and the right base plate, the two ends of the arc rods are respectively welded to the left base plate and the right base plate, and the space between the two adjacent arc rods is used for the wire rope to pass through; a shaft sleeve ring is respectively arranged below the front and rear sides of the bottom of the left base plate and the right base plate, each shaft sleeve ring is welded to the bottom of the upper left base plate and the right base plate through the inclined rods on the left and right sides to form a whole, and the shaft sleeve ring is sleeved on the corresponding pulley shaft when in use.

[0006] Furthermore, in the utility model, an arc-shaped wire groove is provided at the inner edge between two adjacent arc-shaped rods on the left base plate and the right base plate, and the inner groove surface of the arc-shaped wire groove is a smooth arc surface.

[0007] Furthermore, the arc-shaped rod in the utility model is arranged to be bent upward in an arc shape.

[0008] Furthermore, the left base plate and the right base plate in the present invention are both arranged obliquely, and the left base plate and the right base plate are in an inverted figure eight shape.

[0009] Furthermore, transverse connecting rods are provided at the bottoms of the front and rear sides of the left base plate and the right base plate in the utility model.

[0010] Furthermore, in the utility model, a longitudinal connecting rod is provided between the tops of two adjacent arc-shaped rods, and the longitudinal connecting rod connects the arc-shaped rods into a whole.

[0011] Furthermore, the cross section of the arc rod in the utility model is circular, the arc rod is made by bending a round steel bar, and the surface of the arc rod is polished and smooth.

[0012] The utility model is an improvement on the local structure of the overhead crane grab bucket. Its application on the pulley block can effectively prevent the occurrence of the wire rope jumping during the operation process, greatly increasing the equipment operation rate and effectively saving the equipment cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main viewing direction structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure of the utility model in a top view;

[0015] Figure 3 It is a schematic diagram of the structure of the utility model in a side view direction;

[0016] Figure 4 It is a schematic diagram of a local state of the utility model when it is in use.

[0017] In the figure: 1—left base plate, 2—lateral connecting rod, 3—arc-shaped rod, 4—right base plate, 5—inclined tie rod, 6—shaft sleeve ring, 7—arc-shaped wire groove, 8—longitudinal connecting rod, 9—wire rope, 10—pulley shaft, 11—wire rope drum wheel. DETAILED DESCRIPTION

[0018] The following will be combined with the accompanying drawings of the utility model to clearly and completely describe the technical solution of the utility model. It is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the protection scope of the utility model. In the description of the utility model, it should be noted that the terms "upper", "lower", "inside", "outside" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when used, which is only for the convenience of describing the utility model or simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed or operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model.

[0019] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] See also Figure 1 to Figure 4 The utility model is a groove-jumping prevention device for steel wire ropes of overhead crane grab pulley blocks, comprising a left base plate 1 and a right base plate 4, a plurality of arc rods 3 evenly spaced are arranged between the left base plate and the right base plate, the two ends of the arc rods are respectively welded on the left base plate and the right base plate, and the space between the two adjacent arc rods is used for the steel wire rope 9 to pass through; a shaft sleeve ring 6 is respectively arranged at the bottom of the left base plate and the right base plate on both the front and rear sides, and each shaft sleeve ring is welded to the bottom of the upper left base plate and the right base plate through the inclined tie rods on the left and right sides to form a whole, and the shaft sleeve ring is sleeved on the corresponding pulley shaft 10 when in use. Further, in the utility model, an arc groove 7 is opened at the inner edge between the two adjacent arc rods on the left base plate and the right base plate, and the inner groove surface of the arc groove is set in a smooth arc surface. Further, the arc rods in the utility model are set in an arc shape that is bent upward. Further, in the utility model, the left base plate and the right base plate are arranged obliquely, and the left base plate and the right base plate present an inverted figure eight shape. Furthermore, the bottoms of the left and right base plates in the utility model are both provided with transverse connecting rods 2. Furthermore, the tops of two adjacent arc-shaped rods in the utility model are also provided with longitudinal connecting rods 8, and the longitudinal connecting rods connect the arc-shaped rods into a whole. Furthermore, the cross section of the arc-shaped rod in the utility model is circular, the arc-shaped rod is made by bending a round steel bar, and the surface of the arc-shaped rod is polished and smooth.

[0021] As a local component, the utility model is used as follows:

[0022] See also Figure 4 , put the two shaft sleeves in the utility model on the pulley shaft 10 of the corresponding wire rope drum wheel 11, and adjust and lock them with nuts appropriately. Each wire rope passes through the gaps on both sides between the arc rods in sequence. At the same time, each wire rope corresponds to an arc-shaped wire groove. When the overhead crane grab is working, only one wire rope passes through each arc rod gap. No matter how the grab shakes and rotates, the wire ropes will not be twisted together, let alone jump out of each other.

Claims

1. An anti-slotting device for steel wire rope of overhead crane grab pulley block, characterized in that: It has a left base plate and a right base plate, and a plurality of arc rods evenly spaced are arranged between the left base plate and the right base plate, the two ends of the arc rods are respectively welded to the left base plate and the right base plate, and the space between two adjacent arc rods is used for the wire rope to pass through; a shaft sleeve ring is respectively arranged below the front and rear sides of the bottom of the left base plate and the right base plate, and each shaft sleeve ring is welded and connected to the bottom of the upper left base plate and the right base plate through the inclined rods on the left and right sides to form a whole, and the shaft sleeve ring is sleeved on the corresponding pulley shaft when in use.

2. The anti-slot-jumping device for the steel wire rope of the overhead crane grab pulley block according to claim 1, characterized in that: An arc-shaped wire groove is provided at the inner edge between two adjacent arc-shaped rods on the left base plate and the right base plate, and the inner groove surface of the arc-shaped wire groove is a smooth arc surface.

3. The anti-slot-jumping device for the steel wire rope of the overhead crane grab pulley block according to claim 1, characterized in that: The arc-shaped rod is arranged to be bent upward in an arc shape.

4. The anti-slot-jumping device for the steel wire rope of the overhead crane grab pulley block according to claim 1, characterized in that: The left base plate and the right base plate are both arranged obliquely, and the left base plate and the right base plate are in an inverted figure eight shape.

5. The anti-slot-jumping device for the steel wire rope of the overhead crane grab pulley block according to claim 1, characterized in that: The bottoms of the left base plate and the right base plate on both the front and rear sides are provided with transverse connecting rods.

6. The anti-slot-jumping device for the steel wire rope of the overhead crane grab pulley block according to claim 1, characterized in that: A longitudinal connecting rod is also arranged between the tops of two adjacent arc-shaped rods, and the longitudinal connecting rod connects the arc-shaped rods into a whole.

7. The anti-slot-jumping device for the steel wire rope of the overhead crane grab pulley block according to claim 1 or 6, characterized in that: The cross section of the arc rod is circular, the arc rod is made by bending a round steel bar, and the surface of the arc rod is polished and smooth.

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