CN217126354U - Loading and unloading platform hyoplastron connection structure - Google Patents

Abstract

The utility model relates to a tongue plate connecting structure of a loading and unloading platform, which comprises a main deck and a rotatable tongue plate fixed at the front side of the main deck, wherein the top of the tongue plate is matched with the top of the main deck; two connecting assemblies which are symmetrically distributed left and right are further arranged between the main deck and the tongue plate, each connecting assembly comprises a plurality of first shaft sleeves which are transversely concentrically fixed at the bottom of the tongue plate and are sequentially distributed at equal intervals from left to right, a plurality of second shaft sleeves which are transversely concentrically arranged and are sequentially distributed at equal intervals from left to right, and pin shafts which are inserted and arranged in the first shaft sleeves and the second shaft sleeves, and the first shaft sleeves and the second shaft sleeves are mutually distributed at intervals; each second shaft sleeve is also fixed on the front side of the main deck through a plurality of first supporting seat plates; the utility model discloses the material is few, processing is simple, with low costs to improved machining efficiency in order to do benefit to the scale and make, and increased the atress intensity by a wide margin in order to effectively prolong life.

Description

Loading and unloading platform hyoplastron connection structure

Technical Field

The utility model relates to a loading platform hyoplastron connection structure.

Background

The loading platform is a connecting device for connecting the platform ground and the boxcar; the loading platform is generally composed of three parts, namely a main deck, a bottom support and a power source; the bottom support is arranged in the foundation pit of the platform and used for supporting and fixing the main deck; the main deck can swing and lift under the drive of a power source; the main deck is also fixed with a rotatable tongue plate which is used for being lapped on a loading surface of a truck, and the tongue plate bears the loads of a forklift and goods on the main deck during working, so that the tongue plate is very important; the existing tongue plate connecting structure is generally of two types, the first type is a thick steel plate type, namely a plurality of loose-leaf combinations are arranged between a tongue plate and a main deck, each loose-leaf combination comprises two tongue plate lugs and two main deck lugs, then a rotatable long shaft is arranged between the plurality of tongue plate lugs and the plurality of main deck lugs in an inserting mode so that the tongue plate and the main deck can realize relative rotation by means of the plurality of tongue plate lugs, the plurality of main deck lugs and the long shaft, and the tongue plate lugs and the main deck lugs are both formed by directly cutting the thick steel plate; the second type is a sleeve type, namely a plurality of tongue plate sleeves and a plurality of main deck sleeves are respectively and alternately welded on the tongue plate and the main deck and are connected in an inserting way by a connecting shaft; however, the thick steel plate type has more materials and complex processing, the manufacturing cost of enterprises is directly increased, the use cost of customers is indirectly increased, the sleeve type is difficult to position when the tongue plate sleeve and the main deck sleeve are welded, the processing efficiency is low, large-scale manufacturing cannot be realized, and in addition, the two types have low stress strength and short service life and are to be further improved.

SUMMERY OF THE UTILITY MODEL

To the present situation of the above prior art, the utility model aims to solve the technical problem that a material is few, processing is simple, with low costs is provided to improved machining efficiency in order to do benefit to the scale and make, and increased the loading and unloading platform hyoplastron connection structure of atress intensity in order to effectively prolong life by a wide margin.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a tongue plate connecting structure of a loading and unloading platform comprises a main deck and a rotatable tongue plate fixed on the front side of the main deck, wherein the top of the tongue plate is matched with the top of the main deck; each second shaft sleeve is further fixed to the front side of the main deck through a plurality of first support plates, and the top of each first support plate is higher than the top of each second shaft sleeve and is matched with the rear side edge of the bottom of the tongue plate.

Preferably, a right-angle notch is formed in the front side of the top of each first support plate, and the rear side edge of the bottom of the tongue plate is attached to the bottom surface of each right-angle notch.

Preferably, an arc notch is formed in the front side of each first support plate, and each second shaft sleeve is embedded and fixed in the arc notches of the corresponding first support plates.

Preferably, a plurality of second support plates are further fixed between each second shaft sleeve and the front side of the main deck, and the top of each second support plate is not higher than that of the second shaft sleeve.

Compared with the prior art, the utility model has the advantages of: the utility model discloses the materials are few, processing is simple, with low costs to improved machining efficiency and made in order to do benefit to the scale, and increased the atress intensity by a wide margin and effectively prolonged life.

Drawings

FIG. 1 is a right front structural view of the present invention;

FIG. 2 is a right view of the structure of the present invention;

FIG. 3 is a partial enlarged structural view of the present invention at A;

fig. 4 is a connecting structure diagram of the second shaft sleeve and the first support plate of the present invention;

FIG. 5 is a structural diagram of the right-angle notch of the present invention;

FIG. 6 is a structural diagram of the arc notch of the present invention;

fig. 7 is a schematic structural view of a first arrangement of the second support plate according to the present invention;

fig. 8 is a schematic structural view of a second arrangement of the second support plate according to the present invention;

fig. 9 is a schematic structural view of a third arrangement of the second support plate according to the present invention;

FIG. 10 is a schematic diagram of a prior art thick steel plate version;

fig. 11 is a schematic view showing a structure of a type of a socket according to the prior art.

Detailed Description

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention belongs. The use of "first," "second," and similar terms in the description herein do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. 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. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

As shown in fig. 1 to 4, a tongue plate connecting structure of a loading and unloading platform comprises a main deck 1 and a tongue plate 2 rotatably fixed on the front side of the main deck 1, wherein the top of the tongue plate 2 is matched with the top of the main deck 1; two connecting assemblies 9 which are symmetrically distributed left and right are further arranged between the main deck 1 and the tongue plate 2, each connecting assembly 9 comprises a plurality of first shaft sleeves 91 which are transversely concentrically fixed at the bottom of the tongue plate 2 and are sequentially distributed at equal intervals from left to right, a plurality of second shaft sleeves 92 which are transversely concentrically arranged and are sequentially distributed at equal intervals from left to right, and pin shafts 93 which are inserted into the plurality of first shaft sleeves 91 and the plurality of second shaft sleeves 92, and the plurality of first shaft sleeves 91 and the plurality of second shaft sleeves 92 are mutually distributed at intervals; each second bushing 92 is further fixed to the front side of the main deck 1 by a number of first bracket plates 94, the top of each first bracket plate 94 being higher than the top of the second bushing 92 and cooperating with the bottom rear edge of the tongue 2.

As a preferred embodiment of the present invention, a right-angle notch 941 is further formed at the front side of the top of each first supporting plate 94, and the rear side edge of the bottom of the tongue plate 2 is attached to the bottom surface of each right-angle notch 941, see fig. 5.

As a preferred embodiment of the present invention, an arc notch 942 is formed on the front side of each first supporting plate 94, and each second shaft sleeve 92 is embedded in the arc notch 942 fixed on the corresponding first supporting plates 94, as shown in fig. 6.

As a preferred embodiment of the present invention, a plurality of second support plates 95 are further fixed between each second shaft sleeve 92 and the front side of the main deck 1, and the top of each second support plate 95 is not higher than the top of the second shaft sleeve 92, see fig. 7 to 9.

The using method comprises the following steps:

a jacking oil cylinder is arranged in the loading platform, the telescopic end of the jacking oil cylinder is rotatably fixed at the bottom of the tongue plate 2 and is positioned at the front side of the two connecting assemblies 9, and when the telescopic end of the jacking oil cylinder is driven to extend outwards, the tongue plate 2 can swing upwards around a corresponding pin shaft 93 by means of each first shaft sleeve 91 until the rear side edge of the bottom of the tongue plate 2 is attached to the top of each first support plate 94; in this way, the load to which the tongue plate 2 is subjected can be transmitted to the main deck 1 via each first bracket plate 94, which in turn considerably increases the force strength of the tongue plate 2.

The existing tongue plate connecting structure generally has two types, the first type is a thick steel plate type, namely a plurality of loose-leaf combinations are arranged between a tongue plate 2 and a main deck 1, each loose-leaf combination comprises two tongue plate lugs 3 and two main deck lugs 4, then a rotatable long shaft 5 is arranged between the tongue plate lugs 3 and the main deck lugs 4 in an inserting mode so that the tongue plate 2 and the main deck 1 can rotate relative to each other by means of the tongue plate lugs 3, the main deck lugs 4 and the long shaft 5, and the tongue plate lugs 3 and the main deck lugs 4 are both formed by directly cutting thick steel plates, as shown in fig. 10; the second type is a sleeve type, namely, tongue plate sleeves 6 and main deck sleeves 7 are respectively and alternately welded on the tongue plate 2 and the main deck 1 and are alternately connected through connecting shafts 8, as shown in fig. 11; however, the thick steel plate type has more materials and complex processing, the manufacturing cost of enterprises is directly increased, the using cost of customers is indirectly increased, the sleeve type is difficult to position when the tongue plate sleeve and the main deck sleeve are welded, the processing efficiency is low, large-scale manufacturing cannot be realized, and in addition, the stress strength of the two types is low, and the service life is short.

The utility model discloses the material is few, processing is simple, with low costs to improved machining efficiency in order to do benefit to the scale and make, and increased the atress intensity by a wide margin in order to effectively prolong life.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in the embodiments and modifications thereof may be made, and equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (4)

1. A tongue plate connecting structure of a loading and unloading platform comprises a main deck and a rotatable tongue plate fixed on the front side of the main deck, wherein the top of the tongue plate is matched with the top of the main deck; each second shaft sleeve is further fixed to the front side of the main deck through a plurality of first support plates, and the top of each first support plate is higher than the top of each second shaft sleeve and is matched with the rear side edge of the bottom of the tongue plate.

2. A loading platform tongue plate connection according to claim 1, wherein each first support plate is further formed with a right angle notch on the top front side, and the bottom rear side edge of the tongue plate fits on the bottom surface of each right angle notch.

3. A loading platform tongue plate connecting structure according to claim 2, wherein each first support plate is provided with an arc-shaped notch at the front side, and each second shaft sleeve is embedded and fixed in the corresponding arc-shaped notches of the plurality of first support plates.

4. A loading platform tongue plate connecting structure according to claim 3, wherein a plurality of second support plates are further fixed between each second shaft sleeve and the front side of the main deck, and the top of each second support plate is not higher than that of the second shaft sleeve.

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