JP2016169061A - Heavy article floor transfer squitter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a load-resistant resin wear-resistant thick squitter used for the heavy-article loading/carrying steel rack floor ground surface of an iron coil or a power generator and formed into a simple shape to improve durability and shorten exchanging time simultaneously with achievement of more compact components.SOLUTION: A thick wear-resistant squitter provided with a gap between the lower floor ground rear surface of a steel rack and the floor is set as an exchange system fitted via a recessed tray with a separated surrounding flange. A screw hole is formed in the rack. The thick squitter fitted in the tray is formed so as to be fixed by a bolt by providing a bolt hole with the different diameter step of an external expanded diameter penetrating from a ground floor surface, and the head top part of the fixing bolt is formed to be housed within the peripheral edge part position of the tray.SELECTED DRAWING: Figure 1

Description

The present invention relates to a method for attaching and detaching a load-bearing synthetic resin squitter used when sliding a floor of a steel rack for carrying super-heavy objects such as a steel plate coil or a power generator.

The returnable rack on which the heavy object is placed is capable of moving the cargo handling floor when carrying in and out of the narrow floor where the hoist cannot be installed in the building or the rear opening of the transport dry container. A part equivalent to a sled squitter was used for the floor and floor contact surface, but in that case, it was complicated and increased in size according to the rack shape to be installed, and each time it was made to order, Excessive material costs and production and replacement days were required.

The present invention provides a thick squitter with a wear allowance made of a load-bearing synthetic resin including nylon or polyester, which is used in a steel rack for transporting heavy objects such as a steel plate coil or an electrode device. Or, provide a bolt hole that penetrates from the thick floor contact surface of the squitter by providing a semi-standardized specification and providing a dedicated mating recess in the rack or the rack itself. An object of the present invention is to provide a squitter that is provided with a stepped hole having a different diameter in the middle so that external bolts can be tightened so that parts can be replaced and the wear life can be extended.

The first invention of the present invention is as follows.
Wear-resistant synthetic resin abrasion resistance for sliding movement of interior floors such as box-type rear doors and containers in steel frames (hereinafter also referred to as racks or returnable racks) for heavy load transportation A sliding member (hereinafter referred to as a squitter), wherein the squitter is provided with a ground wear surface with a thick wear allowance, and a plurality of the squitters are disposed at predetermined positions on the rear surface of the rack lower frame and have a predetermined peripheral depth. Fitted into a recessed tray with flange (hereinafter referred to as a tray) and detachably formed, and a bolt hole penetrating from the squitter-flooring surface to the rack lower frame has an externally expanded diameter and an internal small diameter. A heavy-weight floor transfer squitter that is provided with steps of different diameters so that the top of the bolt can be mounted within the position of the peripheral edge of the flange so that the wear-damaged member can be replaced.
According to the present invention, the squitter member slidably arranged at the bottom of a steel returnable rack used for transporting heavy steel floors is, for example, a nylon or polyester resistant material. It is made of a synthetic resin material having a sliding function excellent in wear resistance made of load-bearing resin, interposed between the steel rack horizontal back surface and the floor surface of the building, or the inner floor surface of a marine container, etc., and The bottom surface of the lower frame steel member of the rack formation so that the load can be installed in a plurality of units capable of supporting the load per unit of the total weight dispersion and can be easily mounted and the parts can be easily replaced by maximizing the wear damage life of the member. A thick-walled squitter fitted with a thick-walled squitter so that it can be constrained around it by providing a flanged tray with a detachable recessed part with a predetermined depth and screw holes at predetermined locations. - A bolt hole penetrating from the ground is to be bolted and fixed to the screw hole of the rack, and the bolt hole is provided with a step having a different diameter with the outer direction expanding in the middle of the squitter-thick part, and The bolt head top portion is mounted so as to be housed within the tray outer frame edge position so that the parts at the worn portion can be replaced.

Therefore, in this way, a heavy load floor formed so as to be detachable from the steel rack bottom frame in combination with a tray provided in a shape and quantity having a load resistance per unit according to the heavy load to be placed The surface transfer squitter has an effective thick wall wear resistance allowance for load-sliding, with a large specification, molded in advance by injection or extrusion, etc., and rack-formed horizontal bottom type steel It is formed on the back so that parts can be easily replaced by external bolt attachment / detachment.
As described above, by standardizing racks and squitters so that spares can be exchanged, conventionally, the racks and squitters have been complicatedly shaped to match the mating structure and larger than necessary. Without cutting or drilling, only the worn part of the squitter can be replaced without much time and effort, and a very economical and efficient squitter can be formed. In addition, this squitter can replace only the parts of the squitter or the tray.

Further, according to a second aspect of the present invention, as described in claim 2, the wearer squitter attached to the rear surface of the heavy load rack lower frame is a rear surface engraving type of the lower frame itself, A recessed part integrated with an outer flange frame having a predetermined depth (hereinafter commonly referred to as a recessed part frame) is provided so as to be able to be fitted inside, and penetrates from the squitter-flooring surface to the lower frame of the rack. 2. The heavy load floor surface transfer device according to claim 1, wherein the bolt hole is provided with a step having a different diameter so that the top of the bolt can be mounted within the position of the upper edge of the recess frame so that the wear damage member can be replaced. It is a squitter.
According to a second aspect of the present invention, the squitter mounted on the steel rack on which the heavy object is placed is provided in a lower formwork rear surface engraving type of rack formation or fixed to the rear surface of the rack. A plurality of outer flange type concave frame can be integrally formed and a screw hole is provided in the bottom portion to be mounted, and a squitter molded in the concave frame can be fitted and joined. Even in this case, the squitter is provided with one or two bolt holes penetrating from the floor contact surface to the same position as the rack side, and the squitter is externally attached to the thick intermediate portion of the squitter. When bolt holes with different diameter steps of expanded diameter are provided and fixed, the top of the bolt is formed so that it can be stored and mounted below the upper edge of the recess frame, and the wear resistance of the thick part is greatly increased, and parts It is possible to form a heavy-weight transfer squitter provided so as to be replaceable. Even in this case, it is possible to replace only the damaged parts efficiently by setting the standard specification of the squitter in advance.

The heavy goods transfer squitter of the present invention is, for example, a slide movement in a narrow place on the floor of a building where a heavy load is not allowed, or a rear opening / closing part in a marine container. It is necessary for deployment when lifting up and down from one side, etc., and it can be fitted with a tray type separated on the back of the rack horizontal formwork or a directly attached concave formwork, and it is a squitter Extending the service life of the squitter by providing a thick-walled floor and a bolt hole with a step of different diameter penetrating through the thick-walled part so that the top of the fixing bolt can be mounted within the edge of the concave mold frame. In addition, there is an effect that it is possible to improve the economy by reducing the labor and days of exchange.

Hereinafter, embodiments of the present invention will be described with reference to FIGS.

The steel rack 2 for transporting the heavy object 1 such as a steel plate coil or heavy electrical device of the present invention is placed on a narrow building floor 3 that cannot be freely operated by a large construction machine, or the same. The load-bearing resin squitter 4 used for sliding movement such as when carrying in and out of the floor and a rear open / close door type marine container (not shown) by putting a plate on the step is shown in FIGS. The squitter 4 is separated by providing gaps A between the back surface of the lower frame 2A and the floor 3 by arranging single or plural screw holes 2a at predetermined positions on the back surface of the lower horizontal frame 2A of the steel rack 2 configuration. It shows that the squitter 4 is fitted and mounted in the steel tray 5, and the tray 5 is mainly provided with a flange 5A having a predetermined depth that can be constrained to the periphery by being provided in a planar shape. And the squitter 4 is formed so that it can be internally fitted, and the squitter 4 is made of nylon, Thick part 4A for grounding bolt 4 fixing hole 4B corresponding to screw hole 2a of rack 2 using a high-density synthetic resin having abrasion resistance and load resistance and excellent sliding performance such as polyethylene A different diameter bolt hole 4B penetrating from the surface is provided with an intermediate step B having an outer diameter increased and an inner diameter decreased, and the head portion 7A of the bolt is provided with a difference D equal to or less than the peripheral edge C of the tray so that it can be mounted. The heavy-weight-moving squitter 4 with a tray that can be exchanged with the tray 5 or can be exchanged simultaneously with the tray 5 is formed.

The squitter 4 formed in this manner is distributed in a shape and quantity that can support a load-bearing per unit with respect to the total weight of the load 1 and the rack 2, and can be fitted in the tray 5 to be separated. The squitter 4 is preliminarily standardized so that the parts can be exchanged, and the squitter 4 is formed in advance by injection or extrusion, etc., and the different diameter step B of the thick part 4A bolt hole 4B is formed. Bolts 7 are mounted on the lower side, and an effective wear allowance for wear during transfer of the load is set large so that the replacement life of the squitter can be extended.
Therefore, like the conventional squitter, it is complicated to match the shape of the mating rack lower frame mounting part, and it is molded to be larger than necessary, or it is made to order and cut and drill each time. It is possible to form a very efficient and economical squitter in which only the worn part of the squitter can be replaced with a bolt without taking the number of days. Of course, both trays 5 can be replaced at the same time. In addition, the rack shape can be formed in accordance with the specification conditions.
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Further, the present invention, as shown in FIGS.
For mounting of the tower 4, a plurality of engraved recessed frames 6A are provided on the back surface of the rack lower frame 2A, or a recessed frame portion 6B is provided by disposing an outer frame 6 having a predetermined depth to be fixed to the back surface of the rack. The synthesized squitter 4 made of synthetic resin can be fitted and joined so as to be able to restrain the periphery. Even in this case, the squitter 4 is provided with a single or a plurality of different-diameter bolt holes 4B with a step B that penetrate from the grounding surface to the bottom surface of the lower frame 2A of the rack, and also supports the rack side. The screw hole 2a to be installed can be provided at the same position and fixed using a bolt 7 so as to be replaceable. In addition, in the recessed frame 6A, 6B type squitter 4 mounting method, the thick portion 4A is provided in the squitter, and the crown portion 7A when the bolt is fixed is provided with a difference D from the upper edge C of the recessed frame. It is possible to form a heavy-weight rack 2 floor moving squitter 4 that can be mounted and mounted to improve the wear-resistant life of the thick-walled portion and can be easily replaced.

1 is an overall perspective view showing a state in which a tray-type heavy load transport squitter of the present invention is mounted on a transport rack. FIG. Perspective view of sitter with tray fitting One side is shown in section in the front view. Sectional drawing which shows a mode that the squitter for heavy load floor transfer of this invention distribute | arranged and installed the engraving type | mold recessed frame on the back surface of a rack. Sectional drawing which shows a mode that the squitter for heavy load floor transfer same as the above was mounted | worn with the external recessed frame arranged on the rack back surface.

1 Heavy load 2 Steel rack
2A Lower grounding frame
2a Screw hole 3 Floor
4 Squitter
4A thick section
4B Different diameter hole penetrating 5 tray
5A same flange
5a Tray bolt hole
6 Fixed outer frame 6A Engraved recess
6B Concave part by external frame
7 volts
7A bolt head
8 frame
A Gap between rack and floor
B Bolt hole different diameter step
C Outer edge around recess
D Storage difference between bolt top and recessed frame periphery

Claims (2)

Wear-resistant synthetic resin abrasion resistance for sliding movement of interior floors such as box-type rear doors and containers in steel frames (hereinafter also referred to as racks or returnable racks) for heavy load transportation A sliding member (hereinafter referred to as a squitter), wherein the squitter is provided with a ground wear surface with a thick wear allowance, and a plurality of the squitters are disposed at predetermined positions on the rear surface of the rack lower frame and have a predetermined peripheral depth. Fitted into a recessed tray with flange (hereinafter referred to as a tray) and detachably formed, and a bolt hole penetrating from the squitter-flooring surface to the rack lower frame has an externally expanded diameter and an internal small diameter. A heavy-weight floor transfer squitter that is provided with steps of different diameters so that the top of the bolt can be mounted within the position of the peripheral edge of the flange so that the wear-damaged member can be replaced. The squitter with wear allowance attached to the rear surface of the lower frame of the heavy load rack may be a recessed portion (hereinafter, commonly referred to as an outer flange frame integrated type) having a predetermined depth outside the rear surface of the lower frame itself. A recess frame) is formed so that it can be fitted internally, and a bolt hole penetrating from the squitter-floor surface to the rack lower frame is provided with a step having a different diameter so that the top of the bolt is 2. The heavy floor transfer squitter according to claim 1, wherein the sutter is configured to be mounted within the position of the upper edge of the recess frame so that the wear damage member can be replaced.


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