CN211901508U - Wear-resisting pulley that uses on harbour hoisting equipment - Google Patents
Wear-resisting pulley that uses on harbour hoisting equipment Download PDFInfo
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- CN211901508U CN211901508U CN201922374999.7U CN201922374999U CN211901508U CN 211901508 U CN211901508 U CN 211901508U CN 201922374999 U CN201922374999 U CN 201922374999U CN 211901508 U CN211901508 U CN 211901508U
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- pulley
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Abstract
The utility model relates to a hoisting equipment field especially relates to a wear-resisting pulley that uses on harbour hoisting equipment, include: the pulley groove comprises an outer groove of a trapezoid groove structure and an inner groove of a dovetail groove structure, and the inner groove is communicated with the outer groove; the cross section of the wear-resistant liner is matched with that of the inner groove, the wear-resistant liner is installed in the inner groove, the wear-resistant liner is formed by splicing a left liner block, a right liner block and a middle liner block, and the left liner block and the right liner block are symmetrically arranged. Above-mentioned wear-resisting pulley and harbour hoisting equipment carries out the cladding to harbour hoist pulley race through using wear-resisting liner for wire rope produces direct contact with liner groove, avoids producing the friction of steel to the steel with the pulley, and then delays wearing and tearing, has greatly prolonged the life of pulley and wire rope, has reduced the use quantity of pulley and wire rope.
Description
Technical Field
The utility model relates to a hoisting equipment field especially relates to a wear-resisting pulley that uses on harbour hoisting equipment.
Background
The port hoisting equipment plays an important role in the actual production process of a port as important loading and unloading equipment. Pulley and wire rope are harbour hoist hoisting mechanism's important component, and traditional harbour hoist pulley adopts the rolling pulley of steel mostly, when the hoist hoists the heavy object, direct contact between pulley and the wire rope forms the friction of steel to the steel, and wearing and tearing each other take place fatigue wear back at the pulley race, produce slot and partial wear and tear that can further aggravate wire rope, finally lead to pulley and wire rope to scrap. In addition, in the direct contact process of the pulley and the steel wire rope, the friction coefficient between steel is 0.1-0.2, and the friction coefficient is very unstable, so that the internal torsional stress of the steel wire rope is unstable, torsional fatigue is generated, and the abrasion of the steel wire rope is accelerated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve at least one of the technical problems in the prior art and provide a wear-resistant pulley used on port hoisting equipment, which comprises a pulley and a wear-resistant liner, wherein the periphery of the pulley is provided with a pulley groove, the pulley groove comprises an outer groove with a trapezoid groove structure and an inner groove with a dovetail groove structure, and the inner groove is communicated with the outer groove; the cross section of the wear-resistant liner is matched with that of the inner groove, the wear-resistant liner is arranged in the inner groove and is formed by splicing a left liner block, a right liner block and a middle liner block, and the left liner block and the right liner block are symmetrically arranged. Its aim at uses wear-resisting liner to carry out the cladding to harbour crane pulley slot for wire rope produces direct contact with liner groove, avoids producing the friction of steel to the steel with the pulley, and then delays wearing and tearing, has greatly prolonged the life of pulley and wire rope, has reduced the use quantity of pulley and wire rope. Meanwhile, the wear-resistant liner can be conveniently installed by arranging the structures of the dovetail groove and the dovetail groove; the structure of the wear-resistant liner is matched with the dovetail groove structure of the inner groove, so that the wear-resistant liner can be fixedly arranged in the groove of the pulley, and the stability of the structure is improved.
According to the utility model discloses a one of them embodiment, middle cushion block bottom is equipped with the convex part, the convex part be used for with middle cushion block joint is in left side cushion block with between the right side cushion block.
According to one of the embodiments of the present invention, the wear-resistant lining top is provided with a circular groove.
According to one of the embodiments of the present invention, the wear-resistant lining is made of a polymer composite material.
According to the utility model discloses an embodiment, pulley central point puts and is equipped with central shaft hole, central shaft hole is equipped with a plurality of strengthening ribs along the radial direction outwards extension, the strengthening rib is the circumference array and distributes the pulley surface.
According to the utility model discloses a one of them embodiment, the pulley surface is equipped with the through-hole, the through-hole sets up between the strengthening rib.
According to one of the embodiments of the utility model, the pulley adopts No. 35 steel material to make.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples;
FIG. 1 is a cross-sectional view of a pulley and wear liner of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a pulley according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of the pulley groove at A in FIG. 1;
FIG. 4 is a schematic view of the structure of the wear-resistant lining of the present invention;
fig. 5 is an exploded view of the wear liner of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
The wear-resistant pulley used on the port hoisting equipment as shown in fig. 1 and fig. 2 comprises a pulley 100 and a wear-resistant liner 200, wherein the pulley 100 is provided with a pulley groove 110 on the periphery, the pulley groove 110 comprises an outer groove 111 in a trapezoidal groove structure and an inner groove 112 in a dovetail groove structure, and the inner groove 112 is in butt joint communication with the notch of the outer groove 111. The section of the wear-resistant liner 200 is matched with that of the inner groove 112, the wear-resistant liner 200 is installed in the inner groove 112, the wear-resistant liner 200 is formed by splicing a left liner block 210, a right liner block 230 and a middle liner block 220, and the left liner block 210 and the right liner block 230 are symmetrically arranged. By splitting the wear-resistant liner 200 into three liner blocks, the left liner block 210 and the right liner block 230 can be firstly installed on two sides of the inner groove 112 when the wear-resistant liner 200 is installed, and then the middle block 220 is installed between the left liner block 210 and the right liner block 230, so that the whole wear-resistant liner 200 structure is fixed in the dovetail groove structure of the inner groove 112, the scheme facilitates the installation of the wear-resistant liner 200, prevents the situation that the wear-resistant liner 200 cannot be installed due to the fact that the opening of the dovetail groove 112 is too small, and meanwhile can prevent the wear-resistant liner 200 from falling off from the pulley groove 110. Use wear-resisting liner 200 to wrap pulley groove 110 among the whole technical scheme for wire rope produces direct contact with wear-resisting liner 200, avoids producing the friction of steel to the steel with pulley 100, and then delays wearing and tearing, has greatly prolonged pulley and 100 wire rope's life, has reduced pulley 100 and wire rope's use quantity.
As a further improvement of the above scheme, a protrusion 221 is disposed at the bottom of the middle cushion block 220, and the protrusion 221 is used for clamping the middle cushion block 220 between the left cushion block 210 and the right cushion block 230. When the middle cushion block 220 is installed, the convex part 221 of the middle cushion block 220 can be plugged between the left cushion block 210 and the right cushion block 230 through external force, so that the middle cushion block 220 is fixed to prevent falling off, and the structural stability of the wear-resistant liner 200 is improved.
As a further improvement of the above solution, the wear-resistant lining 200 is provided with a circular groove 240 at the top. The radian of the circular groove 240 is matched with the radian of a steel wire rope surrounding the outer side of the pulley 100, and the circular groove 240 is used for accommodating the steel wire rope.
As a further improvement of the above scheme, the wear-resistant lining 200 is made of a high molecular polyethylene material. The material has good wear resistance and long service life, and in addition, the wear-resistant liner 200 made of the material has high thermal stability, and when the steel wire rope generates heat through friction, the friction coefficient can be kept stable, so that the safety and reliability of equipment are guaranteed while the economical efficiency and the working capacity of the equipment are guaranteed.
As a further improvement of the above scheme, a central shaft hole 120 is arranged at the central position of the pulley 100, 6 groups of reinforcing ribs 130 are arranged in the central shaft hole 120 in an outward extending manner along the radius direction, and the reinforcing ribs 130 are distributed on the surface of the pulley 100 in a circumferential array. The overall structural strength of the pulley 100 can be increased by providing the reinforcing ribs 130.
As a further improvement of the above solution, the surface of the pulley 100 is provided with 6 through holes 140, and the through holes 140 are uniformly arranged between the reinforcing ribs 130. The through-holes 140 may reduce the weight of the pulley 100 while saving manufacturing material.
As a further improvement of the scheme, the pulley 100 is made of No. 35 steel materials. The No. 35 steel is high-quality carbon structural steel, has good plasticity and proper strength, and good technological properties and welding properties, and is suitable for various forged pieces, hot-pressed pieces, cold-drawn and upset-forged steel.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. A wear-resistant pulley for use on port lifting equipment, comprising:
the pulley (100), the periphery of the pulley (100) is provided with a pulley groove (110), the pulley groove (110) comprises an outer groove (111) with a trapezoid groove structure and an inner groove (112) with a dovetail groove structure, and the inner groove (112) is communicated with the outer groove (111);
the wear-resistant lining comprises a wear-resistant lining (200), the cross section of the wear-resistant lining (200) is matched with that of the inner groove (112), the wear-resistant lining (200) is installed in the inner groove (112), the wear-resistant lining (200) is formed by splicing a left lining block (210), a right lining block (230) and a middle block (220), and the left lining block (210) and the right lining block (230) are symmetrically arranged.
2. The wear-resistant pulley for the port hoisting equipment as recited in claim 1, wherein the bottom of the middle cushion block (220) is provided with a convex portion (221), and the convex portion (221) is used for clamping the middle cushion block (220) between the left cushion block (210) and the right cushion block (230).
3. Wear-resistant pulley for use on harbour crane assemblies according to claim 1, characterised in that the wear-resistant lining (200) is provided with a circular groove (240) on top.
4. The wear-resistant pulley for use on a harbour crane according to claim 1, characterised in that the wear-resistant lining (200) is made of a polymer composite material.
5. The wear-resistant pulley for the port hoisting equipment as claimed in claim 1, wherein the pulley (100) is provided with a central shaft hole (120) at the center, the central shaft hole (120) is provided with a plurality of reinforcing ribs (130) extending outwards along the radius direction, and the reinforcing ribs (130) are distributed on the surface of the pulley (100) in a circumferential array.
6. Wear-resistant pulley for use on a harbour crane according to claim 5, characterised in that the pulley (100) is provided with through holes (140) on its surface, which through holes (140) are arranged between the reinforcement ribs (130).
7. The wear-resistant pulley for use on a harbour crane according to claim 1, characterised in that the pulley (100) is made of a steel material number 35.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922374999.7U CN211901508U (en) | 2019-12-25 | 2019-12-25 | Wear-resisting pulley that uses on harbour hoisting equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922374999.7U CN211901508U (en) | 2019-12-25 | 2019-12-25 | Wear-resisting pulley that uses on harbour hoisting equipment |
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| Publication Number | Publication Date |
|---|---|
| CN211901508U true CN211901508U (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922374999.7U Active CN211901508U (en) | 2019-12-25 | 2019-12-25 | Wear-resisting pulley that uses on harbour hoisting equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116161555A (en) * | 2023-04-25 | 2023-05-26 | 山西克明峻德科技有限公司 | Pulley capable of warning abrasion degree of wheel groove and processing method thereof |
-
2019
- 2019-12-25 CN CN201922374999.7U patent/CN211901508U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116161555A (en) * | 2023-04-25 | 2023-05-26 | 山西克明峻德科技有限公司 | Pulley capable of warning abrasion degree of wheel groove and processing method thereof |
| CN116161555B (en) * | 2023-04-25 | 2023-07-21 | 山西克明峻德科技有限公司 | Pulley capable of warning abrasion degree of wheel groove and processing method thereof |
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