A crane wire rope fixing device

Abstract

The utility model discloses a kind of crane steel wire rope fixing devices, including support assembly and steel wire rope fixing mechanism, support assembly includes two symmetrical support beam one, several support beam two are fixedly arranged between two support beam one, the upper surface of support beam one and support beam two is equipped with drive unit and rope drum mechanism, the lower end surface of support beam two is equipped with fixed pulley assembly, the lower side of fixed pulley assembly is provided with lifting hook mechanism, right side support beam two is equipped with U type fixed frame, steel wire rope fixing mechanism is installed in the outer surface of U type fixed frame, steel wire rope fixing mechanism includes first fixed component and second fixed component, first fixed component is installed in the upper surface of U type fixed frame, second fixed component is installed in the right side of U type fixed frame.The utility model, can move to the position of second fixed component by the rotation of clamping wheel to drive one end of steel wire rope, simple and convenient operation.

Description

Technical Field

[0001] This utility model relates to the field of crane technology, and in particular to a steel wire rope fixing device for cranes. Background Technology

[0002] Currently, in lifting machinery, most lifting devices used for hoisting heavy objects are suspended below the hoisting drum by wire ropes. The wire rope is led out from the hoisting drum, passes through movable and fixed pulleys, and then extends and is fixed to the lifting device. One end of the wire rope is fixed to the hoisting drum, and the other end is connected to the lifting device or drum support. When the hoisting mechanism is working, the lifting and lowering of the lifting device is controlled by rotating the hoisting drum to wind up and down the wire rope. Existing wire rope fixing devices generally include a wedge sleeve, a wedge that mates with the wedge sleeve, and a spiral buckle. One end of the wire rope passes through the wedge sleeve, goes around the gap between the wedge and the wedge sleeve, and then comes out of the wedge sleeve. One end of the wire rope is fixed by the spiral buckle, thus achieving a fixed connection between the wire rope and the wedge sleeve.

[0003] A search revealed that utility model patent document CN214866972U discloses a wire rope fixing device for a crane, including a shaft. A groove is provided in the middle of the shaft, and a hanger is connected within the groove. The lower part of the hanger is connected to a fixing block via a pin. A retaining ring is provided in the upper middle part of the fixing block. Moving blocks A and B are located below the retaining ring. Bolt A is located on the left side of moving block A, and bolt B is located on the right side of moving block B. Both moving blocks A and B have zigzag edges on their inner sides. A wire rope is installed between moving blocks A and B. Side lugs A and B are respectively provided on both sides of the upper part of the shaft.

[0004] When installing or removing the steel wire rope, the aforementioned fixing device requires manual pulling to move the steel wire rope between moving block A and moving block B, making the installation process cumbersome and laborious. Utility Model Content

[0005] The purpose of this invention is to provide a wire rope fixing device for cranes, which can move one end of the wire rope to the position of the second fixing component by rotating the clamping wheel, and is simple and convenient to operate.

[0006] The present invention adopts the following technical solution:

[0007] A wire rope fixing device for a crane includes a support assembly and a wire rope fixing mechanism. The support assembly includes two symmetrically arranged support beams 1, and several support beams 2 are fixedly arranged between the two support beams 1. A drive unit and a rope feeding drum mechanism are installed on the upper surface of the support beams 1 and 2. A fixed pulley assembly is installed on the lower end face of the support beams 2. A hook mechanism is arranged below the fixed pulley assembly. A U-shaped fixing frame is installed on the right support beam 2. The wire rope fixing mechanism is installed on the outer surface of the U-shaped fixing frame. The wire rope fixing mechanism includes a first fixing component and a second fixing component. The first fixing component is installed on the upper surface of the U-shaped fixing frame, and the second fixing component is installed on the right side of the U-shaped fixing frame.

[0008] Optionally, the first fixing component includes a support frame one and a support frame two. The support frame one and the support frame two are arranged symmetrically at the top and bottom, and the inner cavities of the support frame one and the support frame two are connected. The support frame two is fixedly installed on the upper surface of the U-shaped fixing frame. Two sets of sliding shafts are symmetrically fixed on the upper surface of the U-shaped fixing frame. The sliding shafts pass through the ear plates on both sides of the support frame one and slide together.

[0009] Optionally, both support frame one and support frame two are rotatably equipped with a rotating shaft. The outer end face of the rotating shaft in support frame one is provided with a hexagonal groove. Gears are symmetrically fixed on the circumference of the rotating shaft. The gears in support frame one mesh with the gears in support frame two.

[0010] Optionally, the upper ends of the second support frame are symmetrically provided with circular slots on both sides for the wire rope to enter and exit.

[0011] Optionally, a clamping wheel is provided between the two gears and fixed on the circumferential surface of the rotating shaft. The circumferential surface of the clamping wheel is provided with an annular groove, and several arc-shaped clamping strips are fixedly arranged in the annular groove.

[0012] Optionally, two sets of locking mechanisms for limiting the position of support frame one are symmetrically arranged on the two outer sides of support frame two near the slot. Locking rack one for cooperating with the locking mechanism is fixedly arranged on the outer side of support frame one at the position corresponding to the locking mechanism.

[0013] Optionally, the locking mechanism includes a support frame three fixed to the support frame two. The upper surface of the support frame three has a sliding groove one that passes through the support frame three. The side of the support frame three has a transverse sliding groove two that communicates with the sliding groove one. A locking rack two is slidably arranged in the sliding groove two and meshes with the locking rack one. A side cover fixed to the support frame three is installed on the outside of the sliding groove two. A bottom cover fixed to the support frame one is installed below the sliding groove one. A support plate is slidably arranged in the sliding groove one. A return spring is connected between the support plate and the bottom cover.

[0014] Optionally, a support shaft is fixedly installed on the right side of the locking rack two, which passes through the side cover and slides in fit. A locking spring is connected between the side cover and the locking rack two, which is sleeved on the circumferential surface of the support shaft. A pin hole is opened on the circumferential surface of the support shaft.

[0015] Optionally, the second fixing component includes a connecting pipe, several U-shaped brackets, and a pressure plate. The upper end of the connecting pipe is provided with a bend to connect to the right side slot of the second support frame, and the connecting pipe communicates with the slot. A mounting seat that is fixed to the side of the U-shaped fixing frame is fixedly provided on the lower circumferential surface of the connecting pipe. Several neatly arranged arc-shaped grooves are opened on the vertical circumferential surface of the connecting pipe, and the arc-shaped grooves communicate with the inner cavity of the connecting pipe. The pressure plate is set in the arc-shaped groove.

[0016] Optionally, the U-shaped bracket is fixedly installed on the circumference of the connecting pipe near the arc groove. The outer side of the U-shaped bracket has bolt holes, and bolts are installed in the bolt holes with internal threads. Two sets of guide shafts are symmetrically fixed on both sides of the arc groove. The guide shafts pass through the pressure plate and slide. The outer side of the pressure plate has a circular rotating groove, and one end of the bolt is rotatably installed in the rotating groove.

[0017] In summary, this utility model has the following beneficial effects:

[0018] 1. In this utility model, during the installation of the wire rope, after one end of the wire rope is fixed on the drum, the other end is connected to the fixed pulley assembly and the hook mechanism. Then, it enters the support frame one and the support frame two through the rope inlet of the support frame two, and then enters the two clamping wheels. At this time, the support frame one is manually pressed to make it lower, which in turn drives the internal clamping wheels to lower, so that the upper and lower gears mesh. At the same time, the arc-shaped clamping strips on the upper and lower clamping wheels clamp the wire rope. Then, the rotating shaft inside the support frame one is driven to rotate, which drives the wire rope to move, so that the wire rope can enter the second fixing assembly to complete the subsequent fixing process.

[0019] 2. In this utility model, the wire rope is initially fixed by two clamping wheels, and then the wire rope is pulled by the rotation of the clamping wheels to enter the connecting pipe. Finally, the wire rope is fixed by the pressure plate. This can reduce the force required by the workers to pull the wire rope during the fixing process, reduce the labor intensity of the workers to disassemble and assemble the wire rope, and make the disassembly and assembly operation simple and quick. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a partial structural schematic diagram of the present invention;

[0022] Figure 3This is a schematic diagram of the steel wire fixing mechanism of this utility model. Figure 1 ;

[0023] Figure 4 This is a schematic diagram of the structure of the second fixing component of this utility model;

[0024] Figure 5 This is a schematic diagram of the steel wire fixing mechanism of this utility model. Figure 2 ;

[0025] Figure 6 This is a schematic diagram of the structure of the first fixing component of this utility model;

[0026] Figure 7 A cross-sectional view of the first fixing component of this utility model. Figure 1 ;

[0027] Figure 8 Cross-sectional view of the first fixing component of this utility model Figure 2 ;

[0028] Figure 9 In this utility model Figure 8 A magnified view of the details at point A;

[0029] Figure 10 This is a schematic diagram of the locking mechanism of this utility model.

[0030] In the diagram, 11. Support beam one; 12. Support beam two; 2. Drive unit; 3. Rope reel mechanism; 4. Fixed pulley assembly; 5. Hook mechanism; 6. First fixing component; 7. Second fixing component; 8. U-shaped fixing frame; 9. Locking mechanism; 61. Support frame one; 611. Locking rack one; 612. Groove; 62. Support frame two; 62. Rotating shaft; 631. Hexagonal groove; 64. Bearing; 65. Gear; 66. Clamping wheel; 661. 71. Arc-shaped clamping bar; 711. Connecting pipe; 712. Arc-shaped groove; 713. Guide shaft; 74. Mounting base; 75. U-shaped bracket; 76. Pressure plate; 7741. Rotating groove; 775. Bolt; 88. Sliding shaft; 99. Support frame three; 90. Slide groove one; 912. Slide groove two; 99. Side cover; 90. Bottom cover; 91. Return spring; 92. Support plate; 93. Locking rack two; 94. Support shaft; 95. Pin hole; 96. Locking spring. Detailed Implementation

[0031] The principles and spirit of this utility model will be explained in detail below with reference to several representative embodiments.

[0032] Please see Figure 1-10 The present invention will now be described in detail with reference to the accompanying drawings and embodiments:

[0033] like Figure 1-3 As shown, a wire rope fixing device for a crane includes a support assembly and a wire rope fixing mechanism. The support assembly is installed on the moving trolley of the crane. The support assembly includes two symmetrically arranged support beams 11, and several support beams 12 are fixedly arranged between the two support beams 11. A drive unit 2 and a rope feeding drum mechanism 3 are installed on the upper surfaces of the support beams 11 and 12. A fixed pulley assembly 4 is installed on the lower end face of the support beams 12. A hook mechanism 5 is arranged below the fixed pulley assembly 4. The fixed pulley assembly 4 and the hook mechanism 5 are connected by the lifting wire rope in the rope feeding drum mechanism 3.

[0034] A U-shaped fixing frame 8 is bolted to the right-side support beam 212, and a wire rope fixing mechanism is installed on the outer surface of the U-shaped fixing frame 8.

[0035] In the rope feeding drum mechanism 3, one end of the hoisting wire rope is fixed to the circumferential surface of the drum, and the other end is fixed by a wire rope fixing mechanism.

[0036] The wire rope fixing mechanism includes a first fixing component 6 and a second fixing component 7. The first fixing component 6 is installed on the upper surface of the U-shaped fixing frame 8, and the second fixing component 7 is installed on the right side of the U-shaped fixing frame 8.

[0037] The aforementioned drive unit 2, rope winding mechanism 3, fixed pulley assembly 4, and hook mechanism 5 are all existing technologies and will not be drawn or described in detail here.

[0038] like Figure 3 As shown, in this embodiment, the first fixing component 6 includes a first support frame 61 and a second support frame 62. The first support frame 61 and the second support frame 62 are arranged symmetrically at the top and bottom, and the inner cavities of the first support frame 61 and the second support frame 62 are connected.

[0039] Support frame 2 62 is fixedly installed on the upper surface of U-shaped fixed frame 8. Two sets of sliding shafts 81 are symmetrically fixed on the upper surface of U-shaped fixed frame 8. The sliding shafts 81 pass through the ear plates on both sides of support frame 1 61 and slide to ensure the stability of support frame 1 61 sliding up and down.

[0040] like Figure 3 and Figure 5-6 As shown, in this embodiment, a rotating shaft 62 is rotatably provided inside both the first support frame 61 and the second support frame 62. Bearings 64 are symmetrically installed on the circumferential surface of the rotating shaft 62, and the two sets of bearings 64 are fixed to the first support frame 61 and the second support frame 62 respectively.

[0041] The outer end face of the rotating shaft 62 inside the support frame 61 is provided with a hexagonal groove 631, so that the rotating shaft 62 can be rotated using an Allen wrench.

[0042] Gears 65 are symmetrically fixed on the circumferential surface of the rotating shaft 62 away from the bearing 64. The gears 65 in the first support frame 61 mesh with the gears 65 in the second support frame 62. By rotating the rotating shaft 62 in the first support frame 61, the rotating shaft 62 in the second support frame 62 is driven to rotate.

[0043] like Figure 5 As shown in this embodiment, the upper ends of the second support frame 62 are symmetrically provided with circular slots 612 to facilitate the entry and exit of the wire rope.

[0044] like Figure 6-7 As shown, in this embodiment, a clamping wheel 66 is fixed on the circumferential surface of the rotating shaft 62 between the two gears 65. The circumferential surface of the clamping wheel 66 is provided with an annular groove, and a plurality of arc-shaped clamping strips 661 are fixedly arranged in the annular groove.

[0045] Specifically, during the installation of the wire rope, after one end of the wire rope is fixed to the drum, the other end is connected to the fixed pulley assembly 4 and the hook mechanism 5. Then, it enters the space between the support frame 1 61 and the support frame 2 62 through the rope inlet 612 of the support frame 2 62, and then enters the space between the two clamping wheels 66. At this time, the support frame 1 61 is manually pressed to lower it, which in turn drives the internal clamping wheels 66 to lower, so that the upper and lower gears 65 mesh. At the same time, the arc-shaped clamping bars 661 on the upper and lower clamping wheels 66 clamp the wire rope, and then drives the rotating shaft 62 inside the support frame 1 61 to rotate, driving the wire rope to move, so that the wire rope can enter the second fixing assembly 7 to complete the subsequent fixing process.

[0046] like Figure 3-6 As shown, in this embodiment, two sets of locking mechanisms 9 for limiting the support frame 61 are symmetrically arranged on the two outer sides of the support frame 62 near the slot 612. Locking racks 611 for cooperating with locking mechanisms 9 are fixedly arranged on the outer side of the support frame 61 at the position corresponding to the locking mechanism 9.

[0047] like Figure 9-10 As shown, in this embodiment, the locking mechanism 9 includes a support frame 3 91 fixed to the support frame 2 62. The upper surface of the support frame 3 91 is provided with a sliding groove 1 911 that passes through the support frame 3 91. The side of the support frame 3 91 is provided with a transverse sliding groove 2 912 that communicates with the sliding groove 1 911. A locking rack 2 94 is slidably arranged in the sliding groove 2 912. The locking rack 2 94 meshes with the locking rack 1 611. A side cover 92 fixed to the support frame 3 91 is installed on the outside of the sliding groove 2 912. A bottom cover 93 fixed to the support frame 1 61 is installed below the sliding groove 1 911.

[0048] like Figure 9-10As shown, in this embodiment, a support shaft 95 is fixedly provided on the right side of the locking rack 94, which passes through the side cover 92 and is slidably engaged. A locking spring 96, which is sleeved on the circumferential surface of the support shaft 95, is connected between the side cover 92 and the locking rack 94. When the support frame 61 descends and drives the locking rack 611 into the slide groove 911, it will mesh with the locking rack 94 and push the locking rack 94 to slide back and forth in the slide groove 912. At this time, the locking spring 96 will promptly reset the locking rack 94.

[0049] A pin hole 951 is provided on the circumferential surface of the support shaft 95. When it is necessary to release the engagement of the locking rack 2 94 with the locking rack 1 611, the support shaft 95 can be pulled outward until the engagement is released. At this time, the pin is located outside the support frame 3 91. Then, the pin is used to limit the support shaft 95, and the release can be completed.

[0050] like Figure 9-10 As shown, in this embodiment, a support plate 932 is slidably disposed in the slide groove 911. A return spring 931 is connected between the support plate 932 and the bottom cover 93. During the descent, the locking rack 611 will squeeze the return spring 931. When the locking racks 94 on the outer side of the support frame 62 are all disengaged from the locking rack 611, the return spring 931 drives the support plate 932 to return to its original position, and at the same time drives the locking rack 611 to rise.

[0051] like Figure 4 As shown, in this embodiment, the second fixing component 7 includes a connecting pipe 71, several U-shaped brackets 73 and a pressure plate 74. The upper end of the connecting pipe 71 is provided with a bent pipe to connect with the right side slot 612 of the second support frame 62, and the connecting pipe 71 communicates with the slot 612, so that the wire rope can be transported through the clamping wheel 66 and enter the connecting pipe 71.

[0052] A mounting base 72, which is fixed to the side of the U-shaped fixing frame 8, is fixedly provided on the lower circumferential surface of the connecting pipe 71.

[0053] Several neatly arranged arc-shaped grooves 711 are provided on the vertical circumferential surface of the connecting pipe 71. The arc-shaped grooves 711 communicate with the inner cavity of the connecting pipe 71, and the pressure plate 74 is set in the arc-shaped grooves 711.

[0054] like Figure 4 As shown, in this embodiment, the U-shaped bracket 73 is fixedly mounted on the circumferential surface of the connecting pipe 71 near the arc-shaped groove 711. Bolt holes are provided on the outer side of the U-shaped bracket 73, and bolts 75 are threaded into these bolt holes.

[0055] Two sets of guide shafts 712 are symmetrically fixed on both sides of the arc-shaped groove 711. The guide shafts 712 pass through the pressure plate 74 and slide in fit, thereby ensuring the stability of the movement of the pressure plate 74.

[0056] A circular rotating groove 741 is provided on the outer side of the pressure plate 74, and one end of the bolt 75 is rotatably disposed in the rotating groove 741.

[0057] Specifically, after the wire rope enters the connecting pipe 71, it passes through the pressure plate 74, and then the bolt 75 is tightened to squeeze the pressure plate 74, thereby making the pressure plate 74 finally fix the wire rope.

[0058] Furthermore, the wire rope is initially fixed by two clamping wheels 66, and then the wire rope is pulled by the rotation of the clamping wheels 66 to enter the connecting pipe 71. Finally, the wire rope is fixed by the pressure plate 74. This can reduce the force required by the workers to pull the wire rope during the fixing process, reduce the labor intensity of the workers to disassemble and assemble the wire rope, and make the disassembly and assembly operation simple and quick.

[0059] The specification and claims use certain terms to refer to specific components. Those skilled in the art will understand that hardware manufacturers may use different names to refer to the same component. This specification and claims do not distinguish components based on differences in name, but rather on differences in function. The term "comprising" throughout the specification and claims is an open-ended term and should be interpreted as "comprising but not limited to." "Approximately" means that within an acceptable margin of error, those skilled in the art can solve the technical problem and substantially achieve the technical effect within a certain margin of error.

[0060] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a product or system comprising a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a product or system. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the product or system that includes said element.

[0061] The foregoing description illustrates and describes several preferred embodiments of this application. However, as previously stated, it should be understood that this application is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the application concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of this application should be within the protection scope of the appended claims.

Claims

1. A wire rope fixing device for a crane, characterized in that: The device includes a support assembly and a wire rope fixing mechanism. The support assembly includes two symmetrically arranged support beams 1, with several support beams 2 fixedly arranged between the two support beams 1. A drive unit and a rope feeding drum mechanism are installed on the upper surface of the support beams 1 and 2. A fixed pulley assembly is installed on the lower end face of the support beams 2. A hook mechanism is installed below the fixed pulley assembly. A U-shaped fixing frame is installed on the right support beam 2. The wire rope fixing mechanism is installed on the outer surface of the U-shaped fixing frame. The wire rope fixing mechanism includes a first fixing component and a second fixing component. The first fixing component is installed on the upper surface of the U-shaped fixing frame, and the second fixing component is installed on the right side of the U-shaped fixing frame.

2. The wire rope fixing device for a crane according to claim 1, characterized in that: The first fixing component includes a support frame one and a support frame two. The support frame one and the support frame two are arranged symmetrically at the top and bottom, and the inner cavities of the support frame one and the support frame two are connected. The support frame two is fixedly installed on the upper surface of the U-shaped fixing frame. Two sets of sliding shafts are symmetrically fixed on the upper surface of the U-shaped fixing frame. The sliding shafts pass through the ear plates on both sides of the support frame one and slide together.

3. A wire rope fixing device for a crane according to claim 2, characterized in that: Both support frame one and support frame two have rotating shafts rotatably installed inside them. The outer end face of the rotating shaft in support frame one has a hexagonal groove. Gears are symmetrically fixed on the circumference of the rotating shaft. The gears in support frame one mesh with the gears in support frame two.

4. A wire rope fixing device for a crane according to claim 2, characterized in that: The upper end of the second support frame has symmetrical circular slots on both sides for the wire rope to enter and exit.

5. A wire rope fixing device for a crane according to claim 3, characterized in that: A clamping wheel is fixed on the circumference of the rotating shaft between the two gears. The circumference of the clamping wheel has an annular groove, and several arc-shaped clamping strips are fixedly arranged in the annular groove.

6. A wire rope fixing device for a crane according to claim 4, characterized in that: Two sets of locking mechanisms for limiting the position of support frame one are symmetrically arranged on the two outer sides of support frame two near the slot. Locking rack one for cooperating with the locking mechanism is fixedly arranged on the outer side of support frame one at the position corresponding to the locking mechanism.

7. A wire rope fixing device for a crane according to claim 6, characterized in that: The locking mechanism includes a support frame three fixed to the support frame two. The upper surface of the support frame three has a sliding groove one that passes through the support frame three. The side of the support frame three has a transverse sliding groove two that communicates with the sliding groove one. A locking rack two is slidably arranged in the sliding groove two and meshes with the locking rack one. A side cover fixed to the support frame three is installed on the outside of the sliding groove two. A bottom cover fixed to the support frame one is installed below the sliding groove one. A support plate is slidably arranged in the sliding groove one. A return spring is connected between the support plate and the bottom cover.

8. A wire rope fixing device for a crane according to claim 7, characterized in that: A support shaft is fixedly installed on the right side of the locking rack two, which passes through the side cover and slides in fit. A locking spring is connected between the side cover and the locking rack two, which is sleeved on the circumferential surface of the support shaft. A pin hole is opened on the circumferential surface of the support shaft.

9. A wire rope fixing device for a crane according to claim 4, characterized in that: The second fixing component includes a connecting pipe, several U-shaped brackets, and a pressure plate. The upper end of the connecting pipe is provided with a bend to connect to the right side slot of the second support frame, and the connecting pipe communicates with the slot. A mounting seat that is fixed to the side of the U-shaped fixing frame is fixed on the lower circumferential surface of the connecting pipe. Several neatly arranged arc-shaped grooves are opened on the vertical circumferential surface of the connecting pipe, and the arc-shaped grooves communicate with the inner cavity of the connecting pipe. The pressure plate is set in the arc-shaped groove.

10. A wire rope fixing device for a crane according to claim 9, characterized in that: The U-shaped bracket is fixedly installed on the circumference of the connecting pipe near the arc groove. Bolt holes are opened on the outer side of the U-shaped bracket, and bolts are installed in the internal threads of the bolt holes. Two sets of guide shafts are symmetrically fixed on both sides of the arc groove. The guide shafts pass through the pressure plate and slide. A circular rotating groove is opened on the outer side of the pressure plate, and one end of the bolt is rotatably set in the rotating groove.

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