Background technology
Fig. 1 shows Publication No. CN105967109A, the patent Shen of entitled " driving formula electri forklift in a kind of station "
A kind of fork truck that please be disclosed.As shown in figure 1, the fork truck of the patent application publication generally includes prong and car body, prong is usual
It is made of metal.This kind of fork truck is when carrying out the lifting of weight, and prong is concentrated in one end stress close to car body, thus in prong
The part being connected with car body is generally made thicker, adds the weight of prong, and nonetheless, the life-span of prong also can
Because the stress of prong concentrates the fatigue at position and shortens.Further, since stress is concentrated, the length of prong is restricted.
Application No. 201520383460.7, the utility model of entitled " harbour container transporting forklift " are disclosed
A kind of fork truck, Fig. 2 is Fig. 1 shown in the utility model, in the figure, and label 4 indicates lift cylinder.Due to multiple lift cylinders
In the lower section of prong, thus prong uniform force.But it is due to that crotch 3 is located at the top of lift cylinder 4, thus the height away from ground
It is higher, it is not easy to reach the lower section of container, or require to must be provided with larger space below container, cause memory space
Waste.
By quoting, two patents are incorporated herein by more than, as illustrating completely herein.
The content of the invention
The utility model is proposed in view of the above circumstances, for alleviating or eliminating present in prior art one or more
Shortcoming, provides at a kind of beneficial selection.
To realize object above, formula fork truck, for carrying conveying container, its feature are embraced the utility model discloses one kind
It is, described armful of formula fork truck includes riser, prong, arm, the arm includes being separated from each other and parallel left arm and right armful
Arm, is connected with the riser respectively, so that U-shaped is formed from top view, the inner side of the left arm and the right arm
The distance between than container the wide preset distance of width;The prong is parallel with the left arm and the right arm, institute
Stating prong can move up and down relative to the riser, length long preset distance of the length than the container of the prong,
The position for being longer than the container length in the length apart from the riser is provided with left recess and right recess, the left recess and institute
State right recess and be respectively equipped with the first auxiliary hanging connection device, the first auxiliary hanging connection device can be erected from the recess;It is described
Left arm and the right arm include vertical rod in one end away from the riser respectively;
The vertical rod is provided with elevating mechanism and auxiliary rod;The auxiliary rod can the elevating mechanism effect
Under, relatively described vertical rod is slided up and down;The auxiliary rod includes rotating mechanism and the second auxiliary hanging connection device, the rotation dress
Putting enables the auxiliary rod to be rotated relative to the vertical rod, thus the second auxiliary hanging connection device can with it is described first auxiliary
Help and hang connection device and be connected.
According to embodiment of the present utility model, prong stress can be avoided excessively to concentrate, and not increase the thickness of prong,
Or the distance away from ground.
Embodiment
Below in conjunction with the accompanying drawings, embodiment of the present utility model is described in further detail, but do not constituted to this practicality
New any limitation.
Fig. 3 is shown according to a kind of schematic side view of the fork truck of embodiment of the present utility model;Fig. 4 shows foundation
A kind of schematic top plan view of the fork truck of embodiment of the present utility model;Fig. 5 is shown according to a kind of implementation of the present utility model
The working state schematic representation of the auxiliary rod of mode, but for clarity, not shown container.These figures are merely exemplary
, do not show that the part unrelated with innovation of the present utility model, for understanding that the utility model does not have helpful part, no
Show to nor affect on the part to understanding of the present utility model.These figures are nor be drawn to scale.
As shown in Fig. 3 to Fig. 5, include riser 11, prong 12, arm according to a kind of fork truck of embodiment of the utility model
13.In terms of top view, arm 13 includes left arm and right arm, so as to be formed like the shape of U-shaped with riser 11.At this
In utility model, according to actual conditions, described U-shaped, which is not required for described U-shaped, has the arc of bottom, as long as substantially
It is similar.And two arms of two prongs (left prong and right prong) and arm 13 of prong 12 are parallel to each other.Although
Prong 12 is shown as with discrete left prong and right prong in figure, but it can also be integral, that is, be formed as plate body.
Arm 13 includes vertical rod 15 in one end away from riser 11.Vertical rod 15 is provided with elevating mechanism 21 and auxiliary hanging
Bar 20.Auxiliary rod 20 can be slided up and down in the presence of elevating mechanism 21 along vertical rod 15, so as to adapt to different height or not
With the container of height and position, and aid in the lifting of prong.Auxiliary rod 20 includes rotating mechanism (not shown), so as to phase
Arm 13 is rotated by 90 °.The distance between inner side of two arms is slightly larger than the width of container.Auxiliary rod 20 includes hooking
Body 16.In one embodiment, the lower section of arm 13 has wheel portion 14, so that fork truck can be moved easily.A kind of real
Apply in mode, wheel portion 14 includes universal wheel, so that fork truck can easily turn.
Prong 12 can be slided up and down with respect to riser 11, so as to lift carried container.The distance between prong 12
Prong is deep into the prong hole of the bottom of container setting.One end of the remote riser 11 of prong 12 is provided with recessed
Ring body 19 is installed, ring body 19 can be by a rotating device (such as one axis body, naturally it is also possible to be it in portion 18, recess 18
His more complicated structure) erect, so that perpendicular to prong 12.The length of prong 12 is slightly longer than carried container.In fork
In the case that pin is the plate body of an one, the recess on the recess and right prong in left prong described in figure can connect one
Rise, can also be connected with each other between ring body.For convenience of describing, the ring body that is connected with left side auxiliary rod and its recess is carried
Still left recess and left ring body are referred to as.The ring body that is connected with right side auxiliary rod and carry its recess and be still referred to as the right side
Recess and right ring body.Ring body and hook body can be replaced mutually, as long as they can be connected with each other.Ring body and hook body are respectively
The example of first auxiliary hanging connection device and the second auxiliary hanging connection device, the first auxiliary hanging connection device and the second auxiliary hanging connection device can
With using other structures, as long as can work in coordination.
Operationally, fork truck is close to container, and prong 12 is penetrated from the side in the prong hole of container base, due to arm
The distance between inner side be slightly larger than the width of container, thus arm is in the both sides of container, as embraced container one
Sample.As riser is progressively close to container, the opposite side in one end from the prong hole of container of the remote riser 11 of prong is passed.
And expose recess 18, ring body 19 is erected from recess 18.At the same time, the relative vertical rod 15 of auxiliary rod 20 is made to inner side
It is rotated by 90 °, so as to hook body 16 at ring body 19, and is connected with ring body 19., can after body 16 and the connection of ring body 19 is hooked
To start the elevating mechanism 22 at elevating mechanism 21 and riser 11 in column 15, so that prong 12 is lifted.
According to embodiment of the present utility model, acting on for the power that prong 12 is subject at two ends will not make stress point excessively
Concentrate.Meanwhile, elevating mechanism is at the column of arm and at riser, thus will not increase the thickness of prong 12.
According to a kind of embodiment of the present utility model, auxiliary rod 20 also includes connection member 17.For making the fork truck
The auxiliary rod 20 of the left and right sides two be operationally connected with each other, from improve auxiliary rod rigidity, it is to avoid the concentration of power.Even
Relay part can use various structures, not require that the connection member 17 of the left and right sides is identical, and can be that male and female coordinates
Connection member.It may occur to persons skilled in the art that various modes realize the link member 17, thus it will not be described here.
It should be noted that in Fig. 3, for convenience of description, auxiliary rod and prong rise different height respectively, actually make
Used time, after first, second auxiliary hoisting device is combined, auxiliary rod and prong are synchronous by synchronization lifting.
In addition, the fork truck can include the connecting rod of left and right, left connecting rod connection left side vertical rod and the riser 11, right connecting rod
Connection right side vertical rod and riser 11, so as to strengthen the intensity of the fork truck.
Above-mentioned detailed description of the present utility model is used only for making skilled in the art realises that patent claims
The implementation for the content protected, is not that scope of the present utility model is limited.Only claim is used to determine this reality
With new protection domain.Embodiment is used in order to obtain of the present utility model be attached with, the various of teaching are provided in the description
Different features can be combined in several ways.These combine and the equivalent substitute of various features of the present utility model are all existed
In base protection domain of the present utility model.