CN212639742U

CN212639742U - Double-track trolley set with self-adaptive crane angle

Info

Publication number: CN212639742U
Application number: CN202020876965.8U
Authority: CN
Inventors: 崔丽; 胡哲涛; 逯旭; 刘娟; 郭丽娟
Original assignee: Henan Sinoko Cranes Ltd
Current assignee: Henan Sinoko Cranes Ltd
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-03-02
Anticipated expiration: 2030-05-22

Abstract

The utility model relates to a hoist manufacturing field, specifically say a double track platform truck group of hoist angle self-adaptation, including platform truck body, upper balance body, lower balance body, short hinge shaft, long hinge shaft and saddle support, lower balance body an organic whole or components of a whole that can function independently fixed set up on platform truck body middle part top surface, upper balance body nestification and articulated set up in the well upper portion of lower balance body, the saddle support that sets up in crane girder bottom of upper balance body both sides joint, upper balance body and saddle support are through running through articulated along the long hinge shaft of platform truck body gauge direction; go up the balance body and the mutual articulated setting of short hinge shaft through following platform truck body wheel gauge direction and coaxial setting of balance body lateral wall, the long hinge shaft of this double track platform truck group uses with the cooperation of short hinge shaft, can effectively adjust the wheel gauge direction of wheel and the high error of gauge direction, avoids one wheel among four wheels unsettled in the operation, makes hoist safety, even running.

Description

Double-track trolley set with self-adaptive crane angle

Technical Field

The utility model relates to a hoist field of making specifically says so a double track platform truck group of hoist angle self-adaptation.

Background

In some special sites, the lifting tonnage is large, and the walking part of the gantry crane needing to be erected adopts a single-side double-track and two-side four-track design, namely a double-track crane in the industry. The bottom of the crane with a unilateral double-track structure is supported and translated by a trolley set, the trolley set is generally designed by four wheels, and two sides of the trolley set are respectively arranged on a walking track in a rolling manner through rail wheels, so that double-track bearing of the lifting tonnage is realized. In the previous design, a trolley set of the crane is directly of a double-track structure of two rigidly connected trolley sets, and due to the fact that no angle adjusting device is arranged, one of four wheels of a single trolley set is suspended, and the phenomenon of three legs is easily caused, so that the running stability and safety of the crane are affected by the phenomenon, the service life of the crane is shortened, and certain potential safety hazards can be buried.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an invention aim at overcome the defect that describes in the background art to realize a hoist angle self-adaptation's double track platform set of cars, this double track platform set of cars's long hinge uses with the cooperation of short hinge, can effectively adjust the wheel track direction of wheel and the high error of track direction, avoids in the operation that one wheel among four wheels is unsettled, makes hoist safety, even running.

In order to achieve the purpose of the invention, the technical scheme of the utility model is as follows: a double-track trolley set with a self-adaptive crane angle comprises a trolley body, an upper balance body, a lower balance body, a short hinge shaft, a long hinge shaft and a saddle support, wherein the lower balance body is integrally or separately fixedly arranged on the top surface of the middle part of the trolley body; the side walls of the upper balance body and the lower balance body are hinged with each other through a short hinge shaft which is coaxially arranged along the wheel track direction of the trolley body.

Further, the upper balance body comprises an upper top plate, a vertical plate and hinged side plates, the vertical plate and the hinged side plates are arranged in pairs in an opposite mode to enclose a rectangular cylinder, the upper top plate is fixedly arranged at the top end of the cylinder enclosed by the vertical plate and the hinged side plates to enclose the upper balance body into a cube with an open bottom, and the hinged side plates are hinged with the saddle support in a penetrating mode through long shafts.

Further, the lower balance body comprises a lower bottom plate and supporting clamping plates, the bottoms of the supporting clamping plates are fixedly arranged on two sides of the top surface of the lower bottom plate, the supporting clamping plates are two-by-two in one group, the vertical plates of the upper balance body are sleeved between each group of supporting clamping plates, and each group of supporting clamping plates and the vertical plates between the groups of supporting clamping plates are hinged to each other through the short hinge shafts.

Furthermore, the lower balance body comprises a lower bottom plate and a supporting clamping plate, the bottom of the supporting clamping plate is fixedly arranged on two sides of the top surface of the lower bottom plate, the supporting clamping plate is arranged on one side, the vertical plate of the upper balance body is sleeved on the outer side of the supporting clamping plate, and the supporting clamping plate on one side and the vertical plate on the outer side of the supporting clamping plate on the side are hinged to each other through the short hinge shaft.

Furthermore, the side surface of the bottom of the saddle support is in a combined connection body of a trapezoid and a semicircle or a combined connection body of a rectangle and a semicircle.

Further, the both ends of long hinge shaft are provided with spacing annular, spacing annular fit in sets up spacing cardboard, spacing cardboard passes through the fastener fixed the setting on saddle support lateral wall.

The utility model discloses a hoist angle self-adaptation's double track platform truck group's beneficial effect:

the utility model discloses a double track platform truck group of hoist angle self-adaptation, it runs through the hinge through the long hinge axle along platform truck body gauge direction to go up balance body and saddle support, it is articulated each other with the short hinge axle that lower balance body lateral wall passes through along platform truck body gauge direction and coaxial setting to go up balance body, can adjust the wheel gauge direction of wheel and the high error of gauge direction in real time according to the operating condition, avoid a wheel among four wheels unsettled in the operation, lead to the appearance of "three legs" phenomenon, the stationarity and the security of hoist operation have been guaranteed, thereby improve the reliability of hoist, and promote safety in production.

Drawings

FIG. 1 is a schematic structural diagram of a crane angle adaptive double-track trolley set of the present invention;

FIG. 2 is a schematic left side view of the structure of FIG. 1;

FIG. 3 is a schematic top view of the structure of FIG. 1;

fig. 4 is an enlarged schematic view of a in fig. 2.

In the figure: 1-trolley body, 2-upper balance body, 3-lower balance body, 4-short hinge shaft, 5-long hinge shaft, 6-saddle support, 7-limiting ring groove, 8-limiting clamping plate, 201-upper top plate, 202-vertical plate, 203-hinged side plate, 301-lower bottom plate and 302-supporting clamping plate.

Detailed Description

The following describes the dual-rail trolley set with adaptive crane angle according to the present invention in more detail by referring to the accompanying drawings and specific embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, the crane angle adaptive double-track trolley group of the embodiment includes a trolley body, an upper balance body, a lower balance body, a short hinge shaft, a long hinge shaft and a saddle support, wherein the lower balance body is integrally or separately fixedly arranged on the top surface of the middle part of the trolley body, the upper balance body is nested and hinged on the middle upper part of the lower balance body, two sides of the upper balance body are clamped with the saddle support arranged at the bottom of a crane girder, the bottom side shape of the saddle support is a trapezoidal and semicircular combined conjoined or a rectangular and semicircular combined conjoined, the saddle support is generally an integrally formed structural member and is mostly realized by casting, the upper balance body and the saddle support are in a penetrating and hinging manner through the long hinge shaft along the track pitch direction of the trolley body, and the length of the long hinge shaft is greater than the width of the lower balance body; the side walls of the upper balance body and the lower balance body are hinged with each other through a short hinge shaft which is coaxially arranged along the wheel track direction of the trolley body.

In this embodiment, referring to fig. 1 to 3, the upper balance body includes an upper top plate, a vertical plate, and hinged side plates, the vertical plate and the hinged side plates are oppositely welded in pairs to form a rectangular tube shape, the upper top plate is fixedly welded to the top end of the tube shape formed by the vertical plate and the hinged side plates, the upper balance body is formed into a cube with an open bottom, the hinged side plates are hinged to the saddle support through a long shaft, and the upper balance body and the saddle support of the bogie set can rotate by a certain angle around the long hinge shaft to adjust the deflection angle in the wheel track direction, so as to adjust the height error in the wheel track direction of the wheel in real time; the lower balance body comprises a lower bottom plate and supporting clamping plates, the bottoms of the supporting clamping plates are fixedly welded on the two sides of the top surface of the lower bottom plate, the supporting clamping plates are pairwise in a group, the vertical plates of the upper balance body are sleeved between the supporting clamping plates of each group, the vertical plates between the supporting clamping plates of each group and the vertical plates between the supporting clamping plates of each group are hinged with each other through the short hinge shafts, and through the hinged structure of the short hinge shafts, the lower balance body and the upper balance body of the trolley group can rotate around the short hinge shafts by a certain angle to adjust the deflection angle in the track gauge direction, so that the height error in the track gauge direction of the wheels can be adjusted in.

In order to limit the axial movement of the long hinge shaft, the two ends of the long hinge shaft are provided with limiting ring grooves, referring to fig. 4, the limiting ring grooves are internally matched with limiting clamping plates which are fixedly arranged on the side wall of the saddle support through bolt fasteners, and similarly, the short hinge shaft can also be realized by adopting a similar limiting structure.

Example 2:

the same parts as those in embodiment 1 will not be described again, except that:

referring to fig. 1 and 3, the lower balance body comprises a lower bottom plate and a supporting clamping plate, the bottom of the supporting clamping plate is fixedly arranged on two sides of the top surface of the lower bottom plate, the supporting clamping plate is arranged on one side of the bottom plate, the vertical plate of the upper balance body is sleeved on the outer side of the supporting clamping plate, the supporting clamping plate on one side of the bottom plate is hinged to the vertical plate on the outer side of the supporting clamping plate on the other side of the bottom plate through the short hinge shaft, and the trolley group can adjust the deflection angle in the track gauge direction through the hinge structure of the short hinge shaft, so that the height error in the track gauge direction of

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" or "an" and the like in the description and in the claims of this application do not necessarily denote a limitation of quantity. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

The exemplary embodiments of the present invention have been described in detail with reference to the preferred embodiments, however, it will be understood by those skilled in the art that various modifications and changes may be made to the specific embodiments without departing from the concept of the present invention, and various combinations of the technical features and structures of the present invention may be implemented without departing from the scope of the present invention.

Claims

1. The utility model provides a double track trolley group of hoist angle self-adaptation which characterized in that: the crane main beam track distance adjusting device comprises a trolley body, an upper balancing body, a lower balancing body, a short hinge shaft, a long hinge shaft and a saddle support, wherein the lower balancing body is integrally or separately fixedly arranged on the top surface of the middle part of the trolley body; the side walls of the upper balance body and the lower balance body are hinged with each other through a short hinge shaft which is coaxially arranged along the wheel track direction of the trolley body.

2. The crane angle adaptive double-rail trolley group according to claim 1, characterized in that: the upper balance body comprises an upper top plate, a vertical plate and hinged side plates, the vertical plate and the hinged side plates are arranged in pairs in an opposite mode to enclose a rectangular cylinder, the upper top plate is fixedly arranged at the top end of the cylinder enclosed by the vertical plate and the hinged side plates to enclose the upper balance body into a cube with an open bottom, and the hinged side plates are hinged with the saddle support in a penetrating mode through long shafts.

3. The crane angle adaptive double-rail trolley group according to claim 2, characterized in that: the lower balancing body comprises a lower bottom plate and supporting clamping plates, the bottoms of the supporting clamping plates are fixedly arranged on two sides of the top surface of the lower bottom plate, the supporting clamping plates are pairwise in a group, the vertical plates of the upper balancing body are sleeved between each group of the supporting clamping plates, and each group of the supporting clamping plates and the vertical plates between the supporting clamping plates are hinged to each other through the short hinge shafts.

4. The crane angle adaptive double-rail trolley group according to claim 2, characterized in that: the lower balancing body comprises a lower bottom plate and supporting clamping plates, the bottoms of the supporting clamping plates are fixedly arranged on two sides of the top surface of the lower bottom plate, one supporting clamping plate is arranged on one side of the bottom plate, a vertical plate of the upper balancing body is sleeved on the outer side of the supporting clamping plates, and the single supporting clamping plate and the vertical plate on the outer side of the supporting clamping plates are hinged to each other through the short hinge shaft.

5. The crane angle adaptive double-rail trolley group according to claim 1, characterized in that: the side surface of the bottom of the saddle support is in a combined integral body of a trapezoid and a semicircle or a combined integral body of a rectangle and a semicircle.

6. The crane angle adaptive double-rail trolley group according to any one of claims 1 to 5, characterized in that: the both ends of long hinge are provided with spacing annular, spacing annular fit in sets up spacing cardboard, spacing cardboard passes through the fastener fixed the setting on saddle support lateral wall.