JP2015147558A - Truck structure - Google Patents

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JP2015147558A
JP2015147558A JP2014022902A JP2014022902A JP2015147558A JP 2015147558 A JP2015147558 A JP 2015147558A JP 2014022902 A JP2014022902 A JP 2014022902A JP 2014022902 A JP2014022902 A JP 2014022902A JP 2015147558 A JP2015147558 A JP 2015147558A
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lattice
carriage
hole
cart
longitudinal direction
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JP6027558B2 (en
JP2015147558A5 (en
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彰則 齋藤
Akinori Saito
彰則 齋藤
高橋 渉
Wataru Takahashi
渉 高橋
実 小名木
Minoru Konaki
実 小名木
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NANSHIN CO Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide truck structure enabling three kinds of methods of stacking trucks to be used.SOLUTION: There is provided the truck structure in which support shafts of casters are fixed to four corners of one bottom face of a truck body. The truck structure comprises: a pair of first holes 5 in which wheels 3 of casters 2 can fit respectively, the casters 2 being provided in an upper truck when trucks are stacked and being arranged in a short direction of the upper truck; four second holes 7 in which the wheels 3 of the caster 3 of the upper truck can fit with the wheels 3 arranged in the short direction of the truck body; a lattice part 10 comprised of a center lattice part 11 and an outside lattice part inside the truck body; a lattice formation wall which forms the center lattice part and outside lattice part and extends below the other bottom surface of the truck body, and which has a lower end surface formed horizontal; and latching pieces 17 which are provided in the lattice formation wall, extend more downward than the lattice formation wall, and which have lower ends disposed above ground-contact surfaces of the casters 3. The trucks therefore can be stacked by three kinds of stacking methods.

Description

本発明は、3種類の積み重ね方法を使用することができるスタッキング可能な台車構造に関するものである。   The present invention relates to a stackable cart structure that can use three types of stacking methods.

特開2004−352132号の運搬台車では、台車本体の4つの裏面角部にキャスターが取着されているとともに、キャスターの近傍で、且つ、台車本体の一方の相対する辺に沿って、キャスターより中央寄りに位置する台車本体に、キャスターが挿入可能な孔部が形成されており、運搬台車の段積みの際には、上に位置する運搬台車の一方の辺側に位置するキャスターが、下に位置する運搬台車の一方の辺側に位置する孔部に挿入されるとともに、上に位置する運搬台車のもう一方の辺側に位置するキャスターが、下に位置する運搬台車のもう一方の辺の外側に配置されることにより、上に位置する運搬台車の台車本体が、下に位置する運搬台車の台車本体に載置されるように構成されており、また、台車本体の中央部に形成された開口部には、互いに交差するリブにより区画室が形成されているとともに、台車本体の一方の相対する辺側の中央部に位置する区画室内には、台車本体の下面から下方に突出した嵌合部材が形成されており、運搬台車の段積みの際には、上に位置する運搬台車に形成されている嵌合部材が、下に位置する運搬台車の台車本体に形成されている所定の区画室に嵌合されるようにした構成が開示されている。   In the transport cart disclosed in Japanese Patent Application Laid-Open No. 2004-352132, casters are attached to the four back corners of the cart body, and the casters are located near the caster and along one opposite side of the cart body. A hole into which the caster can be inserted is formed in the cart body located near the center, and when the transport cart is stacked, the caster located on one side of the transport cart located above is The caster located on the other side of the transport cart located above is inserted into the hole located on one side of the transport cart located on the other side of the transport cart located below. It is configured so that the cart body of the transport cart positioned above is placed on the cart body of the transport cart positioned below, and is formed at the center of the cart body Opening The partition chamber is formed by the ribs that intersect with each other, and a fitting member that protrudes downward from the lower surface of the cart body is provided in the compartment chamber that is located in the center of one side of the cart body. When the transport carts are stacked, the fitting member formed on the transport cart positioned above is placed in a predetermined compartment formed in the cart main body of the transport cart positioned below. A configuration adapted to be fitted is disclosed.

また、特開2010−137586号の台車のクロス積み方法及び台車では、台車の台車本体の上面が、積載物の落下を防止する突条部のない平板状に形成されており、また、台車本体には、該台車本体の裏面から下方に突出する係合突部が、台車本体の短辺部に沿って形成されており、更に、台車本体には、該台車本体の裏面から下方に突出するとともに、前記係合突部を越えて、下方には延在しない台座部材が、台車本体の長辺部に沿って形成されており、なお更に、手持ち用透孔が、前記台車本体の長辺部に沿って穿設されており、一番下に位置する1段目の台車に対して、奇数の位置にある台車のキャスターが、前記一番下に位置する1段目の台車に対して、偶数の位置にある台車を介して、直下の奇数の位置にある台車の台車本体に載置されるように、奇数の位置にある台車と偶数の位置にある台車とがクロス積みされる際には、2段目の台車の台車本体の裏面に形成された台座部材が、一番下に位置する1段目の台車の台車本体の載置板の上面に載置されるように構成されており、また、台車がクロス積みされる際には、偶数の位置にある台車の台車本体の上面と、該偶数の位置にある台車の直上に位置する、奇数の位置にある台車の台車本体の裏面に形成された台座部材の下端との間に、間隙が形成されるようにクロス積みされるとともに、下に位置する台車の台車本体に形成された手持ち用透孔に、前記下に位置する台車の直上に位置する台車の台車本体に形成された係合突部が、嵌合するようにした構成が開示されている。
しかし、上記構成では、台車の積み重ね方法が1つに限られてしまい、現場の作業条件に応じて異なる積み重ねを用いることができず、汎用性に乏しいという問題点がある。
Further, in the cross-stacking method and cart of Japanese Unexamined Patent Application Publication No. 2010-137586, the top surface of the cart body of the cart is formed in a flat plate shape having no protrusions that prevent the load from falling, and the cart body Is formed with an engaging projection that protrudes downward from the back surface of the cart body along the short side of the cart body, and the cart body projects downward from the back surface of the cart body. In addition, a pedestal member that does not extend downward beyond the engaging protrusion is formed along the long side portion of the bogie main body, and still further, a hand-held through hole is formed on the long side of the bogie main body. The trolley caster at an odd number position is formed with respect to the first-stage carriage located at the lowermost position, with respect to the first-stage carriage located at the bottom. The bogie body of the bogie in the odd position directly below, through the bogie in the even position When the trolley at the odd-numbered position and the trolley at the even-numbered position are cross-stacked so as to be placed, the pedestal member formed on the back surface of the trolley body of the second-stage trolley It is configured to be mounted on the upper surface of the mounting plate of the bogie body of the first stage bogie located below, and when the bogies are cross-stacked, the bogies at even positions A cross is formed so that a gap is formed between the upper surface of the main body and the lower end of the base member formed on the back surface of the main body of the cart at the odd-numbered position, which is located immediately above the cart at the even-numbered position. The engaging protrusions formed on the bogie body of the bogie located immediately above the bogie located below are fitted into the hand-held through holes formed in the bogie body of the bogie located below. The structure made to do is disclosed.
However, in the said structure, the stacking method of a trolley | bogie is restricted to one, and a different stacking cannot be used according to the working condition of a field, and there exists a problem that a versatility is scarce.

特開2004−352132号公報JP 2004-352132 A 特開2010−137586号公報JP 2010-137586 A

この発明が解決しようとする問題点は、台車を真上に平行に積み重ねる方法、台車を台車の長手方向に交互にずらせて平行に積み重ねる方法、および台車を台車の長手方向と短手方向を交互に交差させて平行に積み重ねる方法のいずれも行えるようにした台車構造を提供することにある。   The problems to be solved by the present invention are a method of stacking the carts in parallel and directly above, a method of stacking the carts alternately in the longitudinal direction of the carts, and stacking the carts in parallel in the longitudinal direction and the lateral direction of the carts. It is intended to provide a cart structure that can perform any of the methods of crossing and parallel stacking.

本発明は、上記課題を達成するために、請求項1の発明では、
平面視矩形状の台車本体の底部の四隅に旋回キャスターの支軸を固定したスタッキング可能な台車構造において、
台車本体の長手方向に設けられた一対の支軸間を結ぶ線上で、積み重ね時上方の台車の短手方向に並んだキャスターの車輪をそれぞれ嵌合可能な一対の第1孔部を設け、
前記各支軸に対応した位置を含んで前記上方の台車のキャスターの車輪を台車本体の短手方向に並べた状態で嵌合可能な第2孔部を合計4個所設け、
前記第1孔部および第2孔部で囲まれた台車本体の内側で、台車本体の長手方向の中央寄りに配置された中央格子部と前記長手方向の外側寄りに配置された外側格子部とからなる格子部を設け、
該格子部の少なくとも一部の中央格子部と外側格子部を形成する格子形成壁を台車本体の他の底面よりも下方に延出させ下端面を水平に形成すると共に、該格子形成壁に、該格子形成壁より下方に延び下端がキャスターの接地面より上方に配置された係止片を設けてなり、
台車を真上に平行に積み重ねる際には、上方の台車のキャスターの車輪を下方の台車の第2孔部にそれぞれ嵌合して位置決めし、
台車を台車の長手方向に交互にずらせて平行に積み重ねる際には、上方の台車の短手方向に並んだ一対のキャスターの車輪を下方の台車の長手方向の前方に配置された前記第1孔部に嵌合し、上方の台車の格子形成壁を下方の台車の上面に載置して上方の台車を平行に支持すると共に前記係止片を下方の台車の中央格子部の空間または第2孔部に嵌合して位置決めし、
台車を台車の長手方向と短手方向を交互に交差させて平行に積み重ねる際には、上方の台車の係止片を下方の台車の第1孔部に嵌合して位置決めしてなることを特徴とする。
In order to achieve the above object, the present invention provides a first aspect of the present invention.
In the cart structure capable of stacking in which the pivot shaft of the swivel caster is fixed to the four corners of the bottom of the cart body that is rectangular in plan view
On a line connecting a pair of support shafts provided in the longitudinal direction of the carriage main body, a pair of first hole portions that can be fitted with wheels of casters arranged in the short direction of the upper carriage when stacked are provided,
A total of four second holes that can be fitted in a state in which the wheels of the casters of the upper cart including the positions corresponding to the respective support shafts are arranged in the lateral direction of the cart body,
A central lattice portion disposed near the center in the longitudinal direction of the bogie main body and an outer lattice portion disposed near the outside in the longitudinal direction on the inner side of the cart body surrounded by the first hole portion and the second hole portion; A lattice part consisting of
A lattice forming wall that forms at least a part of the central lattice portion and the outer lattice portion of the lattice portion extends below the other bottom surface of the carriage body to form a lower end surface horizontally, and the lattice forming wall A locking piece extending downward from the grid forming wall and having a lower end disposed above the grounding surface of the caster is provided.
When the trolleys are stacked in parallel directly above, the wheels of the upper trolley casters are respectively fitted and positioned in the second holes of the lower trolley,
When the carriages are alternately shifted in the longitudinal direction of the carriage and stacked in parallel, the pair of caster wheels arranged in the short direction of the upper carriage are arranged in front of the lower carriage in the longitudinal direction. Is fitted to the upper portion, and the lattice forming wall of the upper carriage is placed on the upper surface of the lower carriage so as to support the upper carriage in parallel, and the locking piece is placed in the space of the central lattice section of the lower carriage or the second Fit and position in the hole,
When the carts are stacked in parallel with the longitudinal direction and the short direction of the carts alternately intersecting, the locking pieces of the upper cart are fitted and positioned in the first hole of the lower cart. Features.

本発明の台車構造では、台車を真上に平行に積み重ねる際には、下方の台車の第2孔部に上方の台車の旋回キャスターの車輪を掛止めて位置決めして積み重ねる。
台車を台車の長手方向に交互にずらせて平行に積み重ねる際には、上方の台車の一対の旋回キャスターの車輪を下方の台車の第1孔部に掛止めると共に、上方の台車の格子形成壁の底部を下方の台車の上面に載置して平行に支持し、同時に上方の台車の係止片を下方の台車の格子部や第2孔部に係止して位置決めして積み重ねる。
台車を台車の長手方向と短手方向を交互に交差させて平行に積み重ねる際には、上方の台車の係止片を下方の台車の第1孔部に掛け止めて位置決めして積み重ねることができる。
また、台車本体の四隅の上面に連結ピンを設けることで、台車本体を直列、または並列に並べて連結して使用することができる。
In the cart structure of the present invention, when the carts are stacked in parallel directly above, the wheels of the upper casters of the upper cart are hooked and positioned in the second hole portion of the lower cart and stacked.
When the carriages are alternately shifted in the longitudinal direction of the carriage and stacked in parallel, the wheels of the pair of swivel casters of the upper carriage are hooked in the first hole of the lower carriage and the lattice forming wall of the upper carriage is The bottom portion is placed on the upper surface of the lower carriage and supported in parallel. At the same time, the upper carriage locking pieces are locked and positioned in the lower carriage grid or second hole to be stacked.
When the carts are stacked in parallel by alternately intersecting the longitudinal direction and the short direction of the cart, the locking pieces of the upper cart can be hung on the first hole of the lower cart and positioned and stacked. .
Moreover, by providing the connection pins on the upper surfaces of the four corners of the cart body, the cart bodies can be connected in series or in parallel.

台車の平面図である。It is a top view of a trolley. 台車の底面図である。It is a bottom view of a trolley. 台車の平面側からの斜視図である。It is a perspective view from the plane side of a trolley. 台車の底面側からの斜視図である。It is a perspective view from the bottom face side of a trolley. 長手方向にずらして積み重ねた掛止状態を示す平面から見た説明図である。It is explanatory drawing seen from the plane which shows the latching state shifted and accumulated in the longitudinal direction. 同側面図である。It is the same side view. 短手辺と長手辺を交互に交差して積み重ねた掛止状態を示す平面から見た説明図である。It is explanatory drawing seen from the plane which shows the latching state which crossed and piled up a short side and a long side alternately. 同正面図である。It is the same front view. 同側面図である。It is the same side view. 台車を真上に積み重ねた状態の斜視図である。It is a perspective view of the state where the cart was piled up right above. (a)は同側面図、(b)は第2孔部の車輪待機状態を示す要部拡大図、(c)は車輪収納時の要部拡大図である。(A) is the same side view, (b) is a principal part enlarged view which shows the wheel standby state of a 2nd hole part, (c) is a principal part enlarged view at the time of wheel accommodation. 長手方向に直列に連結する状態を説明する斜視図である。It is a perspective view explaining the state connected in series in a longitudinal direction. 同要部拡大断面図である。It is the principal part expanded sectional view. 短手方向に並列に連結する状態を示す平面図である。It is a top view which shows the state connected in parallel with a transversal direction. 同要部拡大平面図である。It is the principal part enlarged plan view. 台車本体における係止片の各積重ね方法に際して掛止位置を示す平面から見た説明図である。It is explanatory drawing seen from the plane which shows a latching position in each stacking method of the locking piece in a trolley | bogie main body. (a)は図16のA−A断面図、(b)は同B−B断面図である。(A) is AA sectional drawing of FIG. 16, (b) is the BB sectional drawing.

この発明は、台車本体に第1孔部と第2孔部を設け、格子部の少なくとも一部の格子形成壁の下端を台車本体の下端より下方に延ばして下端を水平にすると共に、係止片を更に下方に突設することで、台車を上下に平行にスタッキングするに際して、真上に積み重ね、長手方向に交互にずらせて積み重ね、または台車の縦横を交互に交差させて積み重ねる3通りの積み重ね方法を実現した。   The present invention is provided with a first hole portion and a second hole portion in a cart body, the lower end of the lattice forming wall of at least a part of the lattice portion is extended downward from the lower end of the cart body, and the lower end is leveled and locked. By stacking the pieces further downward, when stacking the carts in the vertical direction, the carts are stacked directly above, stacked alternately in the longitudinal direction, or stacked by alternately intersecting the vertical and horizontal directions of the cart Realized the method.

[台車本体]
以下に、この発明のスタッキング可能な台車構造の好適実施例について図面を参照しながら説明する。
この台車20は、図1から図4に示すように、平面視矩形状の台車本体1の底部の四隅に旋回キャスター2の支軸Pを固定した構造からなっている。
支軸Pは、車輪3の中心から偏心した位置で、車輪を軸支する支持ヨーク4の旋回中心位置に設けられている。
[Car body]
A preferred embodiment of a stackable cart structure according to the present invention will be described below with reference to the drawings.
As shown in FIGS. 1 to 4, the cart 20 has a structure in which the support shafts P of the swivel casters 2 are fixed to the four corners of the bottom of the cart body 1 having a rectangular shape in plan view.
The support shaft P is eccentric from the center of the wheel 3 and is provided at the turning center position of the support yoke 4 that supports the wheel.

図示例では、支軸Pの位置は、支軸Pを中心に車輪3が旋回しても車輪3の先端が台車本体1の外周縁部内にほぼ収まる位置で、図中、上下及び左右対称位置に4個所配置されており、説明の便宜上、図1に図示した。
そして、前記台車本体1は、積み重ね用の構造として、第1孔部5と、第2孔部7と、格子部10と、係止片17とを有している。
In the illustrated example, the position of the support shaft P is a position where the tip of the wheel 3 is substantially within the outer peripheral edge of the carriage body 1 even if the wheel 3 turns around the support shaft P. 4 are shown in FIG. 1 for convenience of explanation.
The cart body 1 has a first hole portion 5, a second hole portion 7, a lattice portion 10, and a locking piece 17 as a stacking structure.

[第1孔部]
第1孔部5は、台車本体1の長手方向(以下、単に長手方向という。)に設けられた一対の支軸P、P間を結ぶ線L1(図1参照)上で、キャスター2の車輪3を嵌合可能な一対の貫通孔からなっている。
本実施例で第1孔部5は、略矩形の孔からなっており、図5および図6に示すように、台車1を長手方向に交互にずらせて積み重ねる際に、相対的に上方(以下、単に上方という)となる台車20’の長手方向の一方側の車輪(説明上3’とする)を相対的に下方(以下、単に下方という)の台車本体1の上に載置し、長手方向の他方側の車輪3を下方の台車本体1から外れた外側となるようにずらして積み重ねる際に前記一方側の車輪3’を嵌合するためのものである。
[First hole]
The first hole 5 is a wheel of the caster 2 on a line L1 (see FIG. 1) connecting a pair of support shafts P, P provided in the longitudinal direction of the carriage body 1 (hereinafter simply referred to as the longitudinal direction). 3 includes a pair of through holes into which 3 can be fitted.
In the present embodiment, the first hole portion 5 is formed of a substantially rectangular hole. As shown in FIGS. 5 and 6, when the carts 1 are alternately stacked in the longitudinal direction and stacked, The wheel 20 'in the longitudinal direction (hereinafter simply referred to as "upper") is placed on the lower body (hereinafter simply referred to as "lower") of the cart body 1 in the longitudinal direction. When the wheel 3 on the other side of the direction is shifted and stacked so as to be on the outer side away from the lower cart body 1, the wheel 3 ′ on the one side is fitted.

上記第1孔部5は、上方に載置する台車20’の先端側の一対の車輪3’だけを嵌合するので、台車本体1上に一対に設けられるが、第1孔部5は、長手方向の一方側または他方側に交互にずらして積み重ねるので、長手方向の中央を基準に対称となるように合計4つ配置すれば、いずれかの第1孔部5に嵌合しうるので好ましい。   Since the first hole 5 is fitted with only a pair of wheels 3 ′ on the tip side of the carriage 20 ′ placed above, the first hole 5 is provided in a pair on the carriage body 1. Since stacking is alternately shifted to one side or the other side in the longitudinal direction, it is preferable to arrange a total of four so as to be symmetric with respect to the center in the longitudinal direction because they can be fitted into any of the first holes 5. .

[第2孔部]
第2孔部7は、図10、図11(a)に示すように台車20の真上に平行に上方の台車20’を積み重ねる際に、上方の台車20’の車輪3’を嵌合するための凹部である。
第2孔部7は、前記各支軸Pに対応した位置を含んで、前記上方の台車20’のキャスターの車輪3’を嵌合する略矩形の凹部からなっており、台車本体1の四隅に沿って合計4つ形成されている。
上記第2孔部7は、台車本体1の短手方向の辺に沿って平行に配置されており、上方の台車本体20’の短手方向(以下、「短手方向」という)に沿って平行に並べた状態で嵌合可能な位置に形成された略矩形の凹部からなっている。
[Second hole]
As shown in FIGS. 10 and 11 (a), the second hole 7 fits the wheel 3 'of the upper carriage 20' when the upper carriage 20 'is stacked in parallel with the carriage 20 in parallel. It is a recessed part for.
The second hole 7 includes a position corresponding to each of the support shafts P, and is formed of a substantially rectangular recess for fitting the wheel 3 ′ of the caster 20 ′ of the upper carriage 20 ′. A total of four are formed along the line.
The second hole portion 7 is arranged in parallel along the short side of the cart body 1 and along the short direction (hereinafter referred to as “short direction”) of the upper cart body 20 ′. It consists of a substantially rectangular recess formed at a position where it can be fitted in a state of being arranged in parallel.

上記第2孔部7は、上方の台車本体1の4つの車輪3を短手方向の辺と略平行に旋回させた状態で嵌合しうる位置に形成されるので、台車本体1の上面において短手方向で一方に偏った位置に配置されている。
また、本実施例では、第2孔部7内に、車輪3’が第2孔部7の底部に挿入されると車輪の自重で閉方向に作動して車輪3’の側面の凹部に両側から係止する拘束片31を設けている。
Since the second hole portion 7 is formed at a position where the four wheels 3 of the upper cart body 1 can be fitted in a state of being pivoted substantially parallel to the side in the short direction, It is arranged at a position biased to one side in the short direction.
Further, in this embodiment, when the wheel 3 ′ is inserted into the second hole 7 at the bottom of the second hole 7, the wheel 3 ′ operates in the closing direction due to the weight of the wheel, and both sides of the recess are formed on the side surface of the wheel 3 ′. The restraint piece 31 which latches from is provided.

拘束片31の一例を示すと、車輪3のトレッド面と衝合する載置片部31aと車輪3の側面に掛止められる拘束片31bとからなる断面略L状の片からなっており、基端が第2孔部7の周壁に枢着されると共に、拘束片31bが周壁内に没入し、載置片部31aが第2孔部7の底壁上に斜めに突出する待機位置に図示しない付勢手段によって付勢されている(図11(b)参照)。   An example of the restraining piece 31 is composed of a piece having a substantially L-shaped cross section including a placing piece portion 31a that abuts on the tread surface of the wheel 3 and a restraining piece 31b that is hooked on the side surface of the wheel 3. The end is pivotally attached to the peripheral wall of the second hole 7, the restraining piece 31 b is immersed in the peripheral wall, and the mounting piece 31 a is illustrated in a standby position that protrudes obliquely on the bottom wall of the second hole 7. It is energized by the energizing means that does not (see FIG. 11B).

車輪3が第2孔部7内に嵌合すると、車輪3のトレッド面により載置片部31aが押し下げられ、拘束片31bが周壁内から突出し、車輪3の側面の凹部内に入り込み、車輪3に掛止められる(図11(c)参照)。
車輪3を第2孔部7から上に引き上げると、前記拘束片31bが周壁内に押し戻されると共に、付勢手段によって載置片部31が待機位置まで戻る。
これにより、前記車輪3’は、第2孔部7への嵌合だけでなく、拘束片31による係止によって、その位置が規制されるため、上方の台車20’を正確に位置決めすることができる。
When the wheel 3 is fitted into the second hole 7, the mounting piece 31 a is pushed down by the tread surface of the wheel 3, the restraining piece 31 b protrudes from the peripheral wall, and enters the recess on the side surface of the wheel 3. (See FIG. 11C).
When the wheel 3 is pulled up from the second hole 7, the restraining piece 31b is pushed back into the peripheral wall, and the placing piece 31 is returned to the standby position by the urging means.
As a result, the position of the wheel 3 ′ is regulated not only by fitting into the second hole 7 but also by locking by the restraining piece 31, so that the upper carriage 20 ′ can be accurately positioned. it can.

また、第2孔部7の凹部の長手方向の長さは、後述の係止片17’を嵌合可能な長さとなっている(図5参照)。
そして、図示例の場合、いずれか一方で長手方向に沿う一対の第2孔部7は、後述の係止片17の長手方向に沿う延長線L2(図1参照)を含む位置に設定されているので、上方の台車本体1’の係止片17’の少なくとも1つを嵌合して位置決めすることができる。
Further, the length of the concave portion of the second hole 7 in the longitudinal direction is such that a locking piece 17 ′ described later can be fitted (see FIG. 5).
And in the example of illustration, a pair of 2nd hole part 7 along a longitudinal direction is set to the position containing the extension line L2 (refer FIG. 1) along the longitudinal direction of the below-mentioned locking piece 17 in any one side. Therefore, at least one of the locking pieces 17 ′ of the upper cart body 1 ′ can be fitted and positioned.

[格子部]
格子部10は、縦枠と横枠とが交差して形成される複数の枠と該枠で囲まれた貫通孔とから形成されており、前記第1孔部5および第2孔部7で囲まれた台車本体1の内側領域内に配置されている。
[Lattice part]
The lattice portion 10 is formed from a plurality of frames formed by intersecting a vertical frame and a horizontal frame, and through holes surrounded by the frames, and the first hole portion 5 and the second hole portion 7 It is arranged in the inner region of the enclosed cart body 1.

本実施例で格子部10は、長手方向の中央寄りに配置された中央格子部11と、該中央格子部11に連接し長手方向の外側寄りに配置されて中央格子部11より長く形成された外側格子部12とを有している。
図示例では、上記中央格子部11および外側格子部12は、前記長手方向の中央を基準に一対に設けられている。
In the present embodiment, the lattice portion 10 is formed longer than the central lattice portion 11, which is connected to the central lattice portion 11 and disposed closer to the outer side in the longitudinal direction. And an outer lattice portion 12.
In the illustrated example, the central lattice portion 11 and the outer lattice portion 12 are provided as a pair with respect to the center in the longitudinal direction.

そして、格子部10は、長手方向に6列並んでおり、各列に中央格子部11と外側格子部12とが2つずつ対称に並んでいる。
また、外側格子部12の外側には、長さの短い端部格子部13が2つ並んでいる。
The grid portions 10 are arranged in six rows in the longitudinal direction, and two central grid portions 11 and two outer grid portions 12 are arranged symmetrically in each row.
In addition, two end lattice portions 13 having a short length are arranged outside the outer lattice portion 12.

更に、本実施例では、前記6列の格子部10の外側で第1孔部5の間に一対の中央格子部11’がそれぞれ形成されている。
また、前記端部格子部13の外側には、第2孔部7と並んだ位置に延長孔14が形成されている。
Furthermore, in this embodiment, a pair of central lattice portions 11 ′ are formed between the first hole portions 5 outside the six rows of lattice portions 10.
An extension hole 14 is formed outside the end lattice portion 13 at a position aligned with the second hole portion 7.

図示例では、第2孔部7は、車輪3を短手方向の辺と平行となるように同一方向に旋回させた状態で嵌合する位置に配置されるため、台車本体1の中心に対して一方側、図1、図5では、図中上方の長手方向の辺に接近するよう偏った位置に配置されている。   In the illustrated example, the second hole portion 7 is arranged at a position where the wheel 3 is fitted in a state of being turned in the same direction so as to be parallel to the side in the short direction, and therefore the second hole portion 7 is located with respect to the center of the cart body 1. On the other hand, in FIG. 1 and FIG.

そのため、図5において図中上方の長手方向の辺に隣接する側の第2孔部(説明の便宜上、図5では7bとする)は、中央の格子部10に対して離間し、図中下方の長手方向の辺に隣接する側の第2孔部(同じく、図5では7aとする)は、格子部10に接近し、一部が入り込むように配置されている。   Therefore, in FIG. 5, the second hole portion on the side adjacent to the upper longitudinal side in the drawing (for convenience of explanation, it is set as 7b in FIG. 5) is separated from the central lattice portion 10 and the lower portion in the drawing. The second hole on the side adjacent to the side in the longitudinal direction (also referred to as 7a in FIG. 5) is disposed so as to approach the lattice portion 10 and partially enter.

また、図中下方の第2孔部7aの上部と上下対称位置には前記延長孔14が形成される。
上記延長孔14は、図5中上方で、上方の係止片17の延長線上に配置され、図中下方の長手方向の辺に隣接する第2孔部7aは、図中下方の係止片17の延長線(図1の線L2)上に配置されている。
In addition, the extension hole 14 is formed at a position symmetrical with the upper portion of the second hole portion 7a in the lower part of the drawing.
The extension hole 14 is arranged on the extension line of the upper locking piece 17 at the upper side in FIG. 5, and the second hole portion 7a adjacent to the lower side in the figure is the lower locking piece in the figure. It is arranged on 17 extension lines (line L2 in FIG. 1).

[係止片]
そして、外側格子部12の貫通孔内には、その中間位置にプレート状からなって長手方向に沿って配置された係止片17が固定されている。
本実施例では、格子部10の短手方向の両端(図中、上下両端側)に位置して、前記格子部10の長手方向に沿って連続する中央格子部11と外側格子部12を形成する長手方向に延びる格子形成壁16が形成されている(図17(a)(b)参照)。
[Locking piece]
And in the through-hole of the outer side grid | lattice part 12, the latching piece 17 which has a plate shape and is arrange | positioned along the longitudinal direction in the intermediate position is being fixed.
In the present embodiment, the central lattice portion 11 and the outer lattice portion 12 that are continuous along the longitudinal direction of the lattice portion 10 are formed at both ends of the lattice portion 10 in the short direction (upper and lower both ends in the drawing). A lattice forming wall 16 extending in the longitudinal direction is formed (see FIGS. 17A and 17B).

該格子形成壁16は、一対の側壁からなっており、台車本体1の他の底面よりも下方に延出させ下端面を水平面に形成している。
そして、前記一対の格子形成壁16の間の中間位置に、該格子形成壁16より下方に延び下端が車輪3の接地面より上方に配置された係止片17が固定されている。
The lattice forming wall 16 is composed of a pair of side walls, and extends downward from the other bottom surface of the carriage body 1 to form a lower end surface on a horizontal plane.
A locking piece 17 extending downward from the grid forming wall 16 and having a lower end disposed above the ground contact surface of the wheel 3 is fixed at an intermediate position between the pair of grid forming walls 16.

前記格子形成壁16は、台車を長手方向に交互にずらして積み重ねる場合、および台車の縦横を交互に交差させて積み重ねる場合に、上方の台車本体1’が下方の台車本体1の上に平行に載置させるために下端が水平面となっている(図6、図8〜9参照)。   The lattice-forming wall 16 is arranged so that the upper carriage body 1 'is parallel to the lower carriage body 1 when the carriages are stacked while being shifted alternately in the longitudinal direction and when the carriages are alternately stacked vertically and horizontally. In order to make it mount, the lower end becomes a horizontal surface (refer FIG. 6, FIG. 8-9).

また、上方の台車20’の係止片17’は、台車本体を長手方向に交互にずらして積み重ねる場合、図5に示すように、先端側の係止片17’は前記中央格子部11の枠の穴に嵌合し、後端側の係止片17”は、一方が延長孔14に嵌合し、他方が第2孔部7に嵌合して、上方の台車本体1’の位置決めが行われる。
図示例では、長手方向の両端側に把持孔9を設けたので格子部10を形成できないが、把持孔9を小さくしたり、形成しない場合には、延出孔14に替えて端部格子部13を増やしてもよい。
Further, when the upper and lower carts 20 ′ are stacked with the cart body alternately shifted in the longitudinal direction, the locking pieces 17 ′ on the distal end side of the central lattice portion 11 are stacked as shown in FIG. 5. The locking piece 17 ″ on the rear end side is fitted in the hole of the frame, and one of the locking pieces 17 ″ is fitted in the extension hole 14 and the other is fitted in the second hole portion 7, thereby positioning the upper cart body 1 ′. Is done.
In the illustrated example, since the gripping holes 9 are provided at both ends in the longitudinal direction, the lattice portion 10 cannot be formed. However, when the gripping holes 9 are reduced or not formed, the end lattice portions are replaced with the extension holes 14. 13 may be increased.

次に、台車本体の縦横を交互に交差させて積み重ねる場合、図7に示すように、上方の台車20’の4つの係止片17’、17’は、下方の台車20の4つの第1孔部5にそれぞれ1つずつ嵌合する。
上記嵌合位置は、各第1孔部5で台車本体1の中央寄りの端縁側になるので、上方の台車20’を所定位置に拘束して位置決めが行われる。
Next, when stacking the truck main body alternately in vertical and horizontal directions, as shown in FIG. 7, the four locking pieces 17 ′ and 17 ′ of the upper carriage 20 ′ are the four first pieces of the lower carriage 20. One hole is fitted into each of the holes 5.
The fitting position is located on the edge side closer to the center of the carriage main body 1 at each first hole 5, and positioning is performed by restraining the upper carriage 20 ′ at a predetermined position.

[連結手段]
次に、本実施例の台車には、複数の台車同士を接地面上で長手方向または短手方向に連結するため台車本体1の四隅には、連結ピン21と受穴30とからなる連結手段が設けられている。
本実施例では、連結ピン21は、図13に示すように基軸22と、該基軸22の上端で略直角に折れ曲がる折曲り軸部23と、該折曲り軸部23の先端を基軸22と平行に折り曲げた係止軸部24とからなる略U字状のピンからなっている。
[Connecting means]
Next, in the cart of the present embodiment, a coupling means comprising coupling pins 21 and receiving holes 30 at the four corners of the cart body 1 in order to connect a plurality of carts in the longitudinal direction or the short direction on the ground plane. Is provided.
In this embodiment, as shown in FIG. 13, the connecting pin 21 includes a base shaft 22, a bending shaft portion 23 that bends at a substantially right angle at the upper end of the base shaft 22, and a distal end of the bending shaft portion 23 parallel to the base shaft 22. It consists of a substantially U-shaped pin comprising a locking shaft portion 24 that is bent into a bent shape.

前記基軸22は、コーナー部の貫通孔26に挿通して台車本体1の底部から下方に突出させており、該基軸22の突出端には抜止め用ストッパ25を固定し、該ストッパ25と貫通孔26の開口する底面との間にコイルスプリングSを介設して連結ピン21を没入方向に付勢している。
不使用時に掛止める受穴30は前記貫通穴26と並んで配置されており、図15で明瞭なように、連結ピン21の不使用時に係止軸部24を収納する第1受穴31と、前記貫通孔26と並んで外側に配置され連結用に使用する第2受穴32と、該第2受穴32と並んで離間した位置に配置された第3受穴33が形成されている。
The base shaft 22 is inserted through a through-hole 26 in a corner portion and protrudes downward from the bottom portion of the cart body 1. A stopper stopper 25 is fixed to the protruding end of the base shaft 22, and penetrates the stopper 25. A coil spring S is interposed between the bottom surface of the hole 26 and the connecting pin 21 is urged in the immersion direction.
The receiving hole 30 to be hooked when not in use is arranged side by side with the through hole 26. As is clear from FIG. 15, the first receiving hole 31 for receiving the locking shaft portion 24 when the connecting pin 21 is not used. A second receiving hole 32 that is arranged on the outside along with the through hole 26 and is used for connection, and a third receiving hole 33 that is arranged at a position spaced apart along with the second receiving hole 32 are formed. .

上記第2受穴32、第3受穴33は、長手方向に直列に連結する台車20との間で、連結ピン21の先端の係止軸部24を、連続する台車側のいずれかの受穴32、33に差し込んで連結が行われる(図12参照)。
即ち、連結ピン21は、基軸22をスプリングSの付勢力に抗して上に引き抜いて係止軸部24を第1受穴31から抜き取り、基軸22を中心に回転させて、連結する台車の前記第2または第3受穴32、33に挿入して行われる(図12参照)。
図示例では、同一形状の台車20を連結する場合を図示したが、異なる形状の台車であっても、同様の受穴を有する台車であれば、同様に連結することができる。
The second receiving hole 32 and the third receiving hole 33 are connected to the carriage 20 connected in series in the longitudinal direction so that the locking shaft portion 24 at the tip of the connecting pin 21 can be received on either side of the continuous carriage. The holes 32 and 33 are inserted and connected (see FIG. 12).
That is, the connecting pin 21 pulls the base shaft 22 upward against the urging force of the spring S, extracts the locking shaft portion 24 from the first receiving hole 31, rotates it around the base shaft 22, and connects the connecting shaft 21. This is performed by inserting into the second or third receiving holes 32 and 33 (see FIG. 12).
In the illustrated example, the case where the carts 20 having the same shape are connected is illustrated, but even carts having different shapes can be connected in the same manner as long as the carts have similar receiving holes.

次に、台車本体1を短手方向の辺を並べて並列に連結する場合には、本実施例では図14に示すように、前記連結ピン15を使用しない。
即ち、台車本体1は、図3〜図4や図17(b)に示すように、長手方向の一方の辺を、台車本体1の厚みの下半分とする下突片部25とし、長手方向の他方の辺を、台車本体1の厚みの上半分とする上突片部27としている。
そして、下突片部25には上下に貫通する連結用貫通穴26を1または複数(図示例では2つ)設けている。
Next, when the cart body 1 is connected in parallel with the sides in the short direction, the connecting pin 15 is not used as shown in FIG.
That is, as shown in FIGS. 3 to 4 and FIG. 17 (b), the bogie main body 1 has one side in the longitudinal direction as a lower projecting piece portion 25 having a lower half of the thickness of the bogie main body 1. The other side is an upper projecting piece 27 that is the upper half of the thickness of the cart body 1.
The lower projecting piece 25 is provided with one or a plurality (two in the illustrated example) of connecting through holes 26 penetrating vertically.

一方、上突片部27には、上記連結用貫通穴26に嵌合可能な垂下嵌合部28を連結時に整合する位置に一対垂設している。
従って、台車本体1を並列に連結する際には、一方の台車本体1の上突片部27が他方の台車本体1の下突片部25の上に重なると共に、上突片部27の垂下嵌合部28を下突片部25の連結用貫通穴26に嵌合して連結が行われる。
On the other hand, a pair of hanging fitting portions 28 that can be fitted into the connecting through-holes 26 are provided on the upper projecting piece portion 27 at positions that are aligned at the time of connection.
Therefore, when connecting the cart body 1 in parallel, the upper projecting piece 27 of one cart body 1 overlaps the lower projecting piece 25 of the other cart body 1 and the upper projecting piece 27 is suspended. The fitting is performed by fitting the fitting portion 28 into the connecting through hole 26 of the lower projecting piece 25.

また、異なる形状の台車本体1”の場合であっても、図15に示すように、コーナー部に同種の受穴32’、33’が形成されていれば、直列方向にも並列方向にも連結ピン15を用いて台車を連結することができる。
この発明は、上記構成に限定されるものではなく、要するにこの発明の要旨を変更しない範囲で種々設計変更しうること勿論である。
Further, even in the case of the cart body 1 ″ having a different shape, as shown in FIG. 15, if the same type of receiving holes 32 ′ and 33 ′ are formed in the corner portion, both in the series direction and in the parallel direction. The cart can be coupled using the coupling pin 15.
The present invention is not limited to the above-described configuration, and it goes without saying that various design changes can be made without changing the gist of the present invention.

1 台車本体
2 旋回キャスター
3 車輪
4 支持ヨーク
5 第1孔部
7 第2孔部
9 把持孔
10 格子部
11 中央格子部
12 外側格子部
13 端部格子部
14 延長孔
16 格子形成壁
17 係止片
20 台車
P 支軸
DESCRIPTION OF SYMBOLS 1 Bogie body 2 Turning caster 3 Wheel 4 Support yoke 5 1st hole 7 2nd hole 9 Grasp hole 10 Lattice part 11 Central lattice part 12 Outer lattice part 13 End lattice part 14 Extension hole 16 Lattice formation wall 17 Locking Piece 20 bogie P spindle

Claims (1)

平面視矩形状の台車本体の底部の四隅に旋回キャスターの支軸を固定したスタッキング可能な台車構造において、
台車本体の長手方向に設けられた一対の支軸間を結ぶ線上で、積み重ね時上方の台車の短手方向に並んだキャスターの車輪をそれぞれ嵌合可能な一対の第1孔部を設け、
前記各支軸に対応した位置を含んで前記上方の台車のキャスターの車輪を台車本体の短手方向に並べた状態で嵌合可能な第2孔部を合計4個所設け、
前記第1孔部および第2孔部で囲まれた台車本体の内側で、台車本体の長手方向の中央寄りに配置された中央格子部と前記長手方向の外側寄りに配置された外側格子部とからなる格子部を設け、
該格子部の少なくとも一部の中央格子部と外側格子部を形成する格子形成壁を台車本体の他の底面よりも下方に延出させ下端面を水平に形成すると共に、該格子形成壁に、該格子形成壁より下方に延び下端がキャスターの接地面より上方に配置された係止片を設けてなり、
台車を真上に平行に積み重ねる際には、上方の台車のキャスターの車輪を下方の台車の第2孔部にそれぞれ嵌合して位置決めし、
台車を台車の長手方向に交互にずらせて平行に積み重ねる際には、上方の台車の短手方向に並んだ一対のキャスターの車輪を下方の台車の長手方向の前方に配置された前記第1孔部に嵌合し、上方の台車の格子形成壁を下方の台車の上面に載置して上方の台車を平行に支持すると共に前記係止片を下方の台車の中央格子部の空間または第2孔部に嵌合して位置決めし、
台車を台車の長手方向と短手方向を交互に交差させて上下平行に積み重ねる際には、上方の台車の係止片を下方の台車の第1孔部に嵌合して位置決めしてなることを特徴とする台車構造。
In the cart structure capable of stacking in which the pivot shaft of the swivel caster is fixed to the four corners of the bottom of the cart body that is rectangular in plan view
On a line connecting a pair of support shafts provided in the longitudinal direction of the carriage main body, a pair of first hole portions that can be fitted with wheels of casters arranged in the short direction of the upper carriage when stacked are provided,
A total of four second holes that can be fitted in a state in which the wheels of the casters of the upper cart including the positions corresponding to the respective support shafts are arranged in the lateral direction of the cart body,
A central lattice portion disposed near the center in the longitudinal direction of the bogie main body and an outer lattice portion disposed near the outside in the longitudinal direction on the inner side of the cart body surrounded by the first hole portion and the second hole portion; A lattice part consisting of
A lattice forming wall that forms at least a part of the central lattice portion and the outer lattice portion of the lattice portion extends below the other bottom surface of the carriage body to form a lower end surface horizontally, and the lattice forming wall A locking piece extending downward from the grid forming wall and having a lower end disposed above the grounding surface of the caster is provided.
When the trolleys are stacked in parallel directly above, the wheels of the upper trolley casters are respectively fitted and positioned in the second holes of the lower trolley,
When the carriages are alternately shifted in the longitudinal direction of the carriage and stacked in parallel, the pair of caster wheels arranged in the short direction of the upper carriage are arranged in front of the lower carriage in the longitudinal direction. Is fitted to the upper portion, and the lattice forming wall of the upper carriage is placed on the upper surface of the lower carriage so as to support the upper carriage in parallel, and the locking piece is placed in the space of the central lattice section of the lower carriage or the second Fit and position in the hole,
When the carts are stacked vertically parallel with the longitudinal direction and the transverse direction of the carts alternately intersecting, the locking pieces of the upper carts are fitted and positioned in the first holes of the lower carts. Bogie structure characterized by
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Publication number Priority date Publication date Assignee Title
JP2017226382A (en) * 2016-06-24 2017-12-28 三甲株式会社 Carriage
JP2020032808A (en) * 2018-08-28 2020-03-05 株式会社ホシプラ Top board

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JP2001080521A (en) * 1999-09-16 2001-03-27 Asahi:Kk Stackable carrier
JP2004352132A (en) * 2003-05-30 2004-12-16 Sanko Co Ltd Carriage truck
JP2006051861A (en) * 2004-08-10 2006-02-23 Sanko Co Ltd Carriage
JP2008265554A (en) * 2007-04-20 2008-11-06 Daiwa Kasei Ind Co Ltd Block for truck, and truck using the same
JP2010137586A (en) * 2008-12-09 2010-06-24 Sanko Co Ltd Cross stacking method for truck, and truck used in the method

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JPH1095342A (en) * 1996-09-20 1998-04-14 Sanko Co Ltd Carrier truck
JP2001080521A (en) * 1999-09-16 2001-03-27 Asahi:Kk Stackable carrier
JP2004352132A (en) * 2003-05-30 2004-12-16 Sanko Co Ltd Carriage truck
JP2006051861A (en) * 2004-08-10 2006-02-23 Sanko Co Ltd Carriage
JP2008265554A (en) * 2007-04-20 2008-11-06 Daiwa Kasei Ind Co Ltd Block for truck, and truck using the same
JP2010137586A (en) * 2008-12-09 2010-06-24 Sanko Co Ltd Cross stacking method for truck, and truck used in the method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017226382A (en) * 2016-06-24 2017-12-28 三甲株式会社 Carriage
JP2020032808A (en) * 2018-08-28 2020-03-05 株式会社ホシプラ Top board

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