CN-224226503-U - Guide wheel mechanism for crane

CN224226503UCN 224226503 UCN224226503 UCN 224226503UCN-224226503-U

Abstract

The utility model discloses a guide wheel mechanism for a crane, which comprises two guide wheel assemblies and an installation seat, wherein an adjusting structure is arranged between each guide wheel assembly and the installation seat, and each guide wheel assembly is provided with a step adapting structure. According to the utility model, the distance between the two guide wheel assemblies is adjusted by arranging the adjusting structure, so that the guide wheel mechanism can be used for guide rails with different width specifications, the applicability is improved, and the customization cost is reduced. Through setting up ladder adaptation structure and being used for according to the thickness of demand adjustment the leading wheel, thereby make the leading wheel can be used to the use of the guide rail guide slot of different specifications, improve the suitability of leading wheel mechanism, and improve reuse rate, reduce customization cost.

Inventors

TANG LAISEN

Assignees

东莞市台冠起重机械设备有限公司

Dates

Publication Date: 20260512
Application Date: 20250527

Claims (9)

1. A guide wheel mechanism for a crane is characterized by comprising two guide wheel assemblies and an installation seat, wherein the two guide wheel assemblies are arranged at the bottom of the installation seat, an adjusting structure is arranged between each guide wheel assembly and the installation seat and used for adjusting the distance between the two guide wheel assemblies, and each guide wheel assembly is provided with a step adapting structure which is used for adapting to the use of guide rails with different specifications.
2. The guide wheel mechanism for a crane according to claim 1, wherein the mounting seat is provided with a bottom plate, the adjusting structures comprise straight slot holes and adjusting hole groups, the two straight slot holes are arranged on the bottom plate in a mirror image opposite mode, the adjusting hole groups are respectively arranged on the side walls of the bottom plate, and the guide wheel assemblies are respectively arranged in the straight slot holes and can move along the straight slot holes.
3. The guide wheel mechanism for a crane according to claim 2, wherein the adjusting hole groups comprise a plurality of threaded holes and bolts, the threaded holes penetrate through the straight slot holes, and equal intervals are arranged between two adjacent threaded holes.
4. The guide wheel mechanism for a crane of claim 3, wherein the guide wheel assemblies each comprise a guide wheel and a support, the support is provided with a shaft lever, the guide wheels are arranged at the end parts of the shaft levers, the shaft levers are in rotary connection with the guide wheels, and the support is provided with guide blocks, and the guide blocks are arranged in the straight slot holes.
5. A guide wheel mechanism for a crane according to claim 4, wherein the support is provided with a guide block, the guide block is disposed in the straight slot hole, and a positioning hole is provided on a side surface of the guide block, the positioning hole being used for insertion fixation of the bolt.
6. The guide wheel mechanism for a crane according to claim 5, wherein the support is further provided with a fixed pressing plate and two first threaded holes, the two first threaded holes are respectively arranged beside the guide block, the fixed pressing plate is arranged at the top of the guide block, and the fixed pressing plate is provided with two first screws which are respectively connected with the first threaded holes to fix the support on the bottom plate.
7. The guide wheel mechanism for a crane of claim 6, wherein the step fitting structure is disposed on the guide wheel and comprises a first ring, a second ring and a third ring, the first ring is disposed outside the guide wheel, the second ring is disposed outside the first ring, and the third ring is disposed outside the second ring; The outer wall of the guide wheel is provided with a plurality of second threaded holes in annular arrays, the first annular ring, the second annular ring and the third annular ring are respectively provided with a plurality of countersunk holes in annular arrays and a plurality of first threaded holes in annular arrays, the countersunk holes are respectively provided with a third threaded hole, the first threaded holes are respectively arranged between two adjacent countersunk holes, the countersunk holes are respectively provided with a detachable screw, and the detachable screws are used for locking.
8. The guide wheel mechanism for a crane of claim 7, wherein the guide wheel has a thickness less than a thickness of the first ring, the first ring has a thickness less than a thickness of the second ring, and the second ring has a thickness less than a thickness of the second ring.
9. The guide wheel mechanism for a crane of claim 8, wherein the mounting base is further provided with a second support, the second support is provided with a second mounting side plate, and the second mounting side plate is provided with a plurality of second through hole groups.

Description

Guide wheel mechanism for crane Technical Field The utility model relates to the technical field of crane guide wheel equipment, in particular to a guide wheel mechanism for a crane. Background When the operation span is large and the operation speed is high, the horizontal guide wheels of the track are required to be arranged for the crane cart or the trolley, so that the track gnawing phenomenon is prevented. The traditional horizontal guide wheel of the crane has large outline dimension, small bearing capacity, complex production process, complex structure and high cost. In order to solve the problems, the horizontal guide wheel device of the crane is disclosed by the publication No. CN201821546807.5 and comprises a guide wheel, a deep groove ball bearing, a guide wheel shaft and a support, wherein the guide wheel is connected with the guide wheel shaft through the deep groove ball bearing, a guide wheel shaft fixing plate is arranged on the support, one end of an outer ring of the deep groove ball bearing is fixed with an inner hole step of the guide wheel, the other end of the outer ring of the deep groove ball bearing is fixed with the inner wall of the guide wheel through a hole retainer ring, one end of an inner ring of the deep groove ball bearing is fixed with a shaft shoulder of the guide wheel shaft, the other end of the inner ring of the deep groove ball bearing is fixedly connected with the guide wheel shaft sequentially through a first shaft end baffle plate and a first bolt group, one end of the guide wheel shaft is connected with a lower plate of the guide wheel shaft fixing plate, and the other end of the guide wheel shaft is fixedly connected with an upper plate of the guide wheel shaft fixing plate sequentially through a second bolt group and a second shaft end baffle plate. The utility model has the beneficial effects that the tread of the guide wheel adopts an arc surface, the bearing capacity is better, and the whole guide wheel device has simple structure, less material consumption and low cost and is suitable for mass production. The guide wheel device has the following problems that 1, the distance between two guide wheels of the existing guide wheel device is mostly fixed and not adjustable, when the guide wheel device is used for guide rails with different widths, the guide wheel shaft fixing plate needs to be replaced, the customization cost is high, and the applicability is low, 2, the thickness of the guide wheels of the existing guide wheel device is mostly fixed, the guide wheels cannot be quickly adjusted according to the width requirement of guide rail grooves, and the applicability is low, so that the subsequent installation and debugging efficiency is affected. Disclosure of utility model The utility model provides a guide wheel mechanism for a crane aiming at the defects of the prior art, and aims to solve the technical problems of low applicability, high customization cost and low installation and debugging efficiency of the guide wheel mechanism in the prior art. The technical scheme adopted by the utility model for achieving the purpose is as follows: The guide wheel mechanism for the crane comprises two guide wheel assemblies and a mounting seat, wherein the two guide wheel assemblies are arranged at the bottom of the mounting seat, an adjusting structure is arranged between the guide wheel assemblies and the mounting seat and used for adjusting the distance between the two guide wheel assemblies, and the guide wheel assemblies are respectively provided with a step adapting structure which is used for adapting to the use of guide rails with different specifications. The mounting seat is further improved, the mounting seat is provided with a bottom plate, the adjusting structures comprise straight slot holes and adjusting hole groups, the two straight slot holes are arranged on the bottom plate in a mirror image opposite mode, the adjusting hole groups are respectively arranged on the side walls of the bottom plate, and the guide wheel assemblies are respectively arranged in the straight slot holes and can move along the straight slot holes. And the adjusting hole groups comprise a plurality of threaded holes and bolts, the threaded holes penetrate through the straight slot holes, and equal intervals are arranged between two adjacent threaded holes. The guide wheel assembly comprises guide wheels and a support, wherein the support is provided with a shaft lever, the guide wheels are arranged at the end parts of the shaft lever, the shaft lever is in rotary connection with the guide wheels, the support is provided with guide blocks, and the guide blocks are arranged in the straight slot holes. The support is further improved, the support is provided with a guide block, the guide block is arranged in the straight slot hole, the side face of the guide block is provided with a positioning hole, and the positioning hole is used for the insertion and fixation of the bolt.