CN111825024A - Forklift transfer safety device - Google Patents

Forklift transfer safety device Download PDF

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Publication number
CN111825024A
CN111825024A CN202010647194.XA CN202010647194A CN111825024A CN 111825024 A CN111825024 A CN 111825024A CN 202010647194 A CN202010647194 A CN 202010647194A CN 111825024 A CN111825024 A CN 111825024A
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CN
China
Prior art keywords
forklift
instrument
force application
safety device
fork
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202010647194.XA
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Chinese (zh)
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CN111825024B (en
Inventor
马敏全
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LIUZHOU ACID KING PUMP MANUFACTURE Co.,Ltd.
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马敏全
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Application filed by 马敏全 filed Critical 马敏全
Priority to CN202010647194.XA priority Critical patent/CN111825024B/en
Publication of CN111825024A publication Critical patent/CN111825024A/en
Application granted granted Critical
Publication of CN111825024B publication Critical patent/CN111825024B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • B66F9/07559Stabilizing means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • B66F9/07504Accessories, e.g. for towing, charging, locking
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • B66F9/12Platforms; Forks; Other load supporting or gripping members

Abstract

The application discloses a forklift transportation safety device, which relates to the technical field of engineering machinery and comprises a forklift main body, a balanced force application block, an elastic element, a bag, a transfusion pipeline and a display instrument, wherein the balanced force application block is arranged on the forklift main body; the balanced force application block is positioned on the fork of the forklift in a sliding mode, the sliding positioning direction is the normal direction of the upper surface of the fork, and the balanced force application block plays a role in applying the pressure borne by the goods on the bag in a balanced mode; the elastic element is positioned between the balanced force application block and a fork of the forklift and plays a role in supporting the balanced force application block and offsetting most of the force applied by the balanced force application block on the bag; the bags are multiple in number and are all positioned at the position right below the balanced force application block on the fork of the forklift; the display instrument is positioned on a forklift instrument panel and is used for displaying the deflection direction and the deflection degree of the center of gravity of the goods forked by the forklift; the infusion pipeline is communicated with the bags on the fork and the display instrument, and the stress state of the bags is fed back to the display instrument through a medium.

Description

Forklift transfer safety device
Technical Field
The invention relates to the technical field of engineering machinery, in particular to a forklift transportation safety device.
Background
The forklift is various wheel type carrying operation vehicles for carrying out loading, unloading, stacking, short-distance transportation and heavy object carrying operation on finished pallet goods, is widely applied to stations, ports, airports, factories, petroleum, chemical engineering, tobacco, chemical fiber, warehouses and the like, and is efficient equipment for mechanized loading, unloading, stacking and short-distance transportation.
In the prior art, the forklift basically comprises a power part, a chassis, a working part and electrical equipment. The forklift working part is a direct working mechanism which directly bears all the weight of goods and completes the working procedures of forking, lifting, stacking and the like of the goods, and as shown in figure 1, the forklift working part comprises a fetching device 10 (a fork 11 and a fork frame 12), a portal frame 20, a lifting mechanism 30, a portal frame tilting mechanism 40, a hydraulic transmission device, a roller and the like.
Prior art forklifts are typically used in conjunction with a pallet 50 and a bin (as shown in fig. 2) when transferring cargo; in order to ensure the safety of goods transfer, a forklift operator generally estimates the gravity center of the goods, then adjusts the distance between two forks 11 to the maximum as much as possible according to the actual situation (the adjustment range of the forks 11 is influenced by the structure of a tray 50 below the goods to be transferred and the width of a fork frame 12 determined by the tonnage of the forklift, namely the adjustment limit of the forks 11), and finally inserts the forks 11 into the tray 50 to transfer the goods by taking the estimated gravity center as a reference; however, in the actual transfer process, the material of the material box is usually opaque and is usually sealed (difficult to detach, not detachable and difficult to restore), and the gravity center of the material box is likely to be seriously deviated in the transportation and multiple transfer processes of the goods, which can cause great difficulty or even impossible prediction for the forklift operator to predict the gravity center of the goods in the material box, the forklift operator can only expand the distance between the forklift forks 11 as much as possible to ensure the transfer safety of the material box, so that in case that the actual gravity center and the predicted gravity center of the material box are seriously deviated, even if the distance between the forklift forks 11 is large, the material box still has great dumping risk even during transfer, even if the material box is turned over, and further the safety of the goods transferred by the forklift is influenced.
Disclosure of Invention
The embodiment of the application provides a fork truck transports safety device, has solved among the prior art fork truck operating personnel and can't judge the lower technical problem of transportation process security of the focus of goods on fork truck and lead to when transporting the goods, has realized improving fork truck and has transported the technical effect of goods security.
The embodiment of the application provides a forklift transportation safety device, which comprises a forklift main body, a balanced force application block, an elastic element, a bag, a transfusion pipeline and a display instrument, wherein the balanced force application block is arranged on the forklift main body;
the balanced force application block is positioned on the fork of the forklift in a sliding mode, the sliding positioning direction is the normal direction of the upper surface of the fork, and the balanced force application block plays a role in applying the pressure borne by the goods on the bag in a balanced mode;
the elastic element is positioned between the balanced force application block and a fork of the forklift and plays a role in supporting the balanced force application block and offsetting most of the force applied by the balanced force application block on the bag;
the bags are multiple and are all positioned at the positions right below the balanced force application blocks on the fork of the forklift;
force transmission media are filled in the bag, the infusion pipeline and the display instrument;
the display instrument is positioned on a forklift instrument panel and is used for displaying the deflection direction and the deflection degree of the center of gravity of the goods forked by the forklift;
the transfusion pipeline is communicated with the bags on the fork and the display instrument, and the stress state of the bags is fed back to the display instrument through the force transmission medium.
The forklift transportation safety device further comprises a transfusion pipeline telescopic storage device;
the infusion pipeline telescopic receiving device is positioned on the infusion pipeline and plays a role in winding and receiving the infusion pipeline;
the structure of the infusion pipeline telescopic storage device can be a winch with an elastic body arranged inside.
The main structure of the balanced force application block is a long and thin rod shape, and the length of the balanced force application block is slightly shorter than the length of a fork of a forklift by 5-15 CM;
the material of the bag is rubber or the combination of rubber and metal, the shape of the bag is an ellipsoid, a rectangular block or a cylinder, one end of the bag close to the forklift main body is provided with an opening, namely a first liquid outlet, and the opening is communicated with the infusion pipeline;
the transfusion pipeline is a rubber pipe or a spring hose.
Preferably, the display instrument is a flow meter and plays a role in rotating an instrument pointer according to the flow direction and the flow of the liquid in the infusion pipeline so as to show the goods gravity center deflection direction and the deflection quantity to a forklift operator.
Preferably, the display instrument is a pressure gauge and plays a role in showing the goods gravity center deflection direction and the deflection amount to a forklift operator according to the comparison of the pressure of liquid in the liquid conveying pipelines communicated with different bags.
Preferably the bag is kept away from the one end of fork truck main part be provided with the second liquid outlet, the second liquid outlet passes through infusion pipeline and intercommunication the bag be close to the infusion pipeline of the opening that the one end of fork truck main part set up and display instrument be linked together, play and alleviate bag internal pressure, prevent the excessive deformation of bag cause the effect of interference to the demonstration result.
The number of the preferred balanced force application blocks is 4, the 4 balanced force application blocks are respectively arranged on two goods forks of the forklift, and connecting lines between the middle points of the 4 balanced force application blocks according to the sequence of left front, right back and left back are rectangular;
the number of the bags is 8, and each balanced force application block is matched with 2 bags;
the number of the display instruments is 2, and the display instruments are respectively a left gravity center measuring instrument, a right gravity center measuring instrument and a front gravity center measuring instrument and a rear gravity center measuring instrument; the left and right gravity center measuring instruments and the front and rear gravity center measuring instruments respectively display left and right gravity center offset and front and rear gravity center offset of the goods on the fork.
Preferably, the display meter comprises a meter housing, a meter indicating device and a meter resetting device;
the instrument shell body is cylindrical, a positioning device for positioning an instrument is arranged on the side wall of the instrument shell body, 4 pipeline interfaces are arranged at the bottom of the instrument shell body, and the 4 pipeline interfaces are all used for communicating the bag;
the instrument indicating device comprises a floating disc, a rolling ball, a floating disc supporting rod and a force application rod;
the floating disc is a disc, and the rolling ball is a sphere and is arranged in the floating disc;
the axial direction of the floating disc support rod is the same as that of the instrument shell, one end of the floating disc support rod is fixedly connected with the instrument shell 530, and the other end of the floating disc support rod is connected with the center ball of the floating disc to play a role in supporting the floating disc;
the force application rod is a telescopic rod and extends and retracts by the internal pressure of the force application rod;
the number of the force application rods is 4, the inner cavities of the force application rods are respectively communicated with 4 pipeline interfaces, the 4 force application rods are uniformly distributed on the periphery of the floating disc supporting rod by taking the axis of the floating disc supporting rod as a center, one end of each force application rod is fixedly connected to the instrument shell, and the other end of each force application rod is connected with the floating disc ball;
the instrument resetting device is used for maintaining the floating disc to be horizontal relative to the instrument shell when a fork of the forklift is in a non-working state;
the structure of the instrument resetting device can be a pressure spring sleeved and positioned on a supporting rod of the floating disc;
the operator of the forklift judges the gravity center offset direction and the offset of the goods on the fork according to the rolling direction of the rolling ball and the inclination degree of the floating disc.
Preferably, the inner wall of the shell of the instrument shell is provided with a colored strip and/or scales.
Preferably, the display meter comprises a meter housing, a meter indicating device and a meter resetting device;
the instrument shell is provided with two pipeline interfaces which are respectively used for communicating bags positioned on the two forks;
the instrument indicating device comprises a scale or a color bar, a piston pointer and a transparent window;
the instrument resetting device plays a role in maintaining the piston pointer at a middle position when the balanced force application blocks on the fork are not pressed;
the instrument resetting device can be symmetrically arranged springs.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
through set up the balanced application of force piece that is used for dispersion pressure on fork truck, an elastic element for buffer pressure and the bag that can atress warp, utilize the deformation of bag and transfusion pipeline's conduction to compare the pressure that two forks of fork truck bore through display instrument and the technical means of the focus skew direction and the offset (compare the focus volume of squinting at two forks centre) of the goods that fork truck got directly perceivedly showing, the lower technical problem of transportation process security that fork truck operating personnel can't judge the focus of goods on fork truck and lead to when transporting the goods among the prior art has effectively been solved, and then realized improving fork truck and transported the technical effect of goods security.
Drawings
FIG. 1 is an isometric view of a complete forklift truck with the forklift truck transfer safety device of the present invention installed on the forklift truck to show the positional relationship between the parts of the forklift truck transfer safety device and between the forklift truck transfer safety device and the forklift truck main body;
FIG. 2 is a schematic view of a pallet fork in a pallet position;
FIG. 3 is a top view of the forklift transfer safety device with the number of balanced force application blocks of 2 according to the forklift transfer safety device of the present invention;
FIG. 4 is a cross-sectional view of the forks of the fork lift transport safety device of the present invention, illustrating the internal configuration of the forks;
FIG. 5 is a schematic diagram of the construction of the fork lift transport safety device bladder of the present invention;
FIG. 6 is a top view of the forklift transfer safety device with 4 balanced force application blocks according to the forklift transfer safety device of the present invention;
FIG. 7 is a schematic view of the communication relationship of the infusion pipelines when the number of the balanced force application blocks of the forklift transportation safety device is 4;
FIG. 8 is a schematic structural view of a display instrument of the forklift transportation safety device of the present invention;
FIG. 9 is a schematic exterior view of a second display instrument of the fork lift transport safety device of the present invention;
FIG. 10 is a cross-sectional view of a second display instrument of the fork lift truck transfer safety device of the present invention, showing the internal configuration of the second display instrument;
FIG. 11 is a schematic view showing the color distribution of the inner wall of a second display instrument of the transportation safety device for forklifts of the present invention;
FIG. 12 is a schematic view showing the communication relationship between the infusion pipelines when the number of the balanced force application blocks of the forklift transportation safety device is 4 and the display instrument is an integrated meter;
in the figure:
the device comprises a fetching device 10, a pallet fork 11, a fork frame 12, a gantry 20, a lifting mechanism 30, a gantry tilting mechanism 40 and a tray 50;
a balanced force application block 100;
a first balance force application block 110, a left front balance force application block 111, a left rear balance force application block 112,
A second balance force application block 120, a right front balance force application block 121, a right rear balance force application block 122,
An elastic member 200;
a bladder 300;
a first liquid outlet 310, a second liquid outlet 320,
An infusion pipeline 400;
a display meter 500;
a left/right gravity center measuring instrument 510, a front/rear gravity center measuring instrument 520, an instrument case 530, a piping connection 531, an inner case wall 532, an instrument indicator 540, an instrument resetting device 550, a control device for a vehicle, a vehicle body,
A transfusion pipeline telescopic storage device 600;
Detailed Description
In order to facilitate an understanding of the embodiments of the present invention, the embodiments of the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete.
It should be noted that the terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, an isometric view of a complete forklift truck with the forklift truck transfer safety device of the present invention installed thereon is shown; the invention discloses a forklift transportation safety device, which comprises a forklift main body, a balanced force application block 100, an elastic element 200, a bag 300, a transfusion pipeline 400 and a display instrument 500, wherein the balanced force application block comprises a first elastic element and a second elastic element; according to the forklift transportation safety device, the balanced force application block 100 (used for dispersing pressure and uniformly applying the pressure to the bag 300), the elastic element 200 used for buffering the pressure and the bag 300 capable of deforming under stress are arranged on the forklift fork 11, the pressure borne by the forklift fork 11 is compared through the display instrument 500 by means of the deformation of the bag 300 and the conduction of the infusion pipeline 400, and the gravity center deviation direction and the deviation amount (the deviation amount of the gravity center in the middle of the two forks) of the goods picked up by the forklift are visually displayed.
Example one
As shown in fig. 1, the forklift transportation safety device of the present invention includes a forklift main body, and further includes a balanced force application block 100, an elastic element 200, a bag 300, an infusion pipeline 400 and a display instrument 500.
As shown in fig. 1 or fig. 3, the force equalizing and applying block 100 is slidably positioned on the forklift fork 11, the sliding direction is the normal direction of the upper surface of the fork 11, the force equalizing and applying block 100 on the left fork 11 is a first force equalizing and applying block 110, the force equalizing and applying block 100 on the right fork 11 is a second force equalizing and applying block 120, and the force equalizing and applying block 100 has the function of directly contacting with the goods picked up by the forklift and applying a relatively balanced pressure from the goods to the bladder 300; the main structure of the balanced force application block 100 is a long and thin rod, the length of the balanced force application block is slightly shorter than the length of the fork 11 of the forklift by 5CM to 15CM, and the balanced force application block 100 can be made of metal or hard plastic.
As shown in fig. 4, the elastic element 200 is positioned between the force equalizing block 100 and the forklift fork 11, and plays a role in supporting the force equalizing block 100 and offsetting most of the force equalizing block 100 acting on the bladder 300, and the function of buffering pressure to prevent the bladder 300 from being burst by sudden pressure; the elastic element can be a spring, a rubber block and other objects with high elasticity; the elastic element 200 can bear a pressure limit of 0.8 to 1.25 of the rated load of the forklift.
Bag 300 quantity be a plurality of and all fix a position on fork truck fork 11 balanced application of force piece 100 under the position, the material of bag 300 is the combination of rubber or rubber and metal, the shape of bag 300 is ellipsoid, rectangular block or cylinder, its one end that is close to the fork truck main part be provided with first liquid outlet 310 and first liquid outlet 310 with infusion pipeline 400 communicate.
Force transmission media are filled in the bag 300, the infusion pipeline 400 and the display instrument 500;
the force transfer medium inside the bladder 300 can be gas, water, oil, or the like.
When the forklift fork 11 is in a non-working state, the part of the balanced force application block 100, which is under the action of the elastic force of the elastic element 200, is ejected out of the upper surface of the forklift fork 11, when the forklift fork 11 forks a cargo, the balanced force application block 100 is directly contacted with the cargo along with the lifting of the fork 11, and the balanced force application block 100 is pressed to gradually reduce the distance of the balanced force application block, which is ejected out of the upper surface of the forklift fork 11, and simultaneously presses the bag 300; in order to protect the bag 300, when the fork truck forks a load exceeding the rated load of the fork truck, the equilibrium force application block 100 reaches the descending limit (the upper surface of the equilibrium force application block 100 is flush with the upper surface of the fork 11), thereby protecting the elastic element 200 and the bag 300 from plastic deformation.
The display instrument 500 is positioned on a forklift instrument panel and is used for displaying the deflection direction and the deflection degree of the center of gravity of goods forked by the forklift, and the display instrument 500 can be a flow meter or a pressure meter; when the display instrument 500 is a flow meter, the instrument pointer is rotated according to the flow direction and the flow of the liquid in the infusion pipeline 400, so that the deflection direction and the deflection quantity of the center of gravity of the goods are displayed to a forklift operator; in view of the problem that the flow meter has large error and low sensitivity, the pressure meter is preferably selected; when the display instrument 500 is a pressure gauge, the display instrument plays a role of displaying the deflection direction and the deflection quantity of the center of gravity of the goods to a forklift operator according to the comparison of the pressure of the liquid in the liquid conveying pipeline 400 communicated with the bag 300; the display meter 500 is shown in fig. 8, and the display meter 500 includes a meter housing 530, a meter indicating device 540 and a meter resetting device 550; the meter shell 530 is provided with two pipeline interfaces 531 which are respectively used for communicating bags on the two forks 11; the meter indicating device 540 comprises a scale or a color bar positioned on the upper surface of the meter housing 530, a piston pointer positioned inside the meter housing 530, and a transparent window arranged on the meter housing 530; the instrument resetting device 550 plays a role in maintaining the piston pointer at the middle position when the balanced force application blocks 100 on the left fork 11 and the right fork 11 are not pressed; the meter reset device 550 can be a symmetrically disposed spring.
As shown in fig. 1, the infusion pipeline 400 connects the bag 300 on the fork 11 with the display instrument 500, and feeds back the stress state of the bag 300 to the display instrument 500; the infusion pipeline 400 can be a rubber pipe or a spring hose.
In order to prevent the influence on the normal operation of the forklift due to the overlong length of the infusion pipeline 400, the infusion pipeline telescopic storage device 600 is additionally arranged on the forklift transportation safety device; the infusion pipeline telescopic receiving device 600 is positioned on the infusion pipeline 400 and plays a role in winding and receiving the infusion pipeline 400; the infusion tube telescopic receiving apparatus 600 may be a winch in which an elastic body is provided.
In view of the experimental findings of the present invention that when the fork 11 of the forklift lifts the load such that one side of the load abuts the fork carriage 12 and the mast tilt mechanism 40 drives the mast 20 to recline, the pressure of the goods (material box) is concentrated to one side of the balanced force application block 100 close to the forklift body, so that the balanced force application block 100 is pressed to close the first liquid outlet 310 on the bag 300, thereby causing plastic deformation (damage) of the bladder 300 under pressure and interfering with the display of the display gauge 500, as shown in fig. 5, the present invention provides a second liquid outlet 320 at an end of the bladder 300 away from the forklift body, the second liquid outlet 320 is communicated with the bag 300 through an infusion pipeline 400, the opening formed in one end of the forklift body is communicated with the infusion pipeline 400 of the display instrument, so that the pressure in the bag 300 is relieved, and the bag 300 is prevented from being excessively deformed to interfere with a display result.
When the invention is implemented, the balanced force application block 100 is pressed to gradually shorten the distance of the balanced force application block ejecting the fork 11 of the forklift and press the bag 300 when the fork 11 of the forklift forks picks up goods; the pressurized bladder 300 transmits its degree of pressurization to the display instrument 500 through the medium, and the display instrument 500 displays the direction and amount of deflection of the center of gravity of the cargo.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
the technical problem of among the prior art fork truck operating personnel can't judge the lower technical problem of transportation process security that the focus of goods on fork truck leads to when transporting the goods is solved, realized improving fork truck and transported the technical effect of goods security.
Example two
Considering that the forklift transportation safety device in the first embodiment can only display the gravity center offset direction and the offset of the left and right (left and right with the orientation of the forklift operator as a reference system) of the goods on the pallet fork 11, the forklift transportation safety device has certain limitation in the actual operation process; in contrast, the present embodiment is improved based on the above embodiment as follows:
as shown in fig. 6 or fig. 7, the number of the force equalizing blocks 100 is set to be 4, the 4 force equalizing blocks 100 are respectively arranged on two forks 11 of the forklift, and the connecting lines between the midpoints of the 4 force equalizing blocks 100 in the order of front left, front right, rear right and rear left are rectangular; the 4 balanced force application blocks 100 are respectively a left front balanced force application block 111, a left rear balanced force application block 112, a right front balanced force application block 121 and a right rear balanced force application block 122; the number of the bags 300 is 8, and each force equalizing block 100 is matched with 2 bags 300; the number of the display instruments 500 is 2, and the display instruments are respectively a left gravity center measuring instrument 510, a right gravity center measuring instrument 510 and a front gravity center measuring instrument 520; the connection relationship between both the left-right gravity center measuring instrument 510 and the front-rear gravity center measuring instrument 520 and the 8 bags 300 is as shown in fig. 7, and the left-right gravity center measuring instrument 510 and the front-rear gravity center measuring instrument 520 respectively display the left-right gravity center offset amount and direction and the front-rear gravity center offset amount and direction of the cargo on the fork 11.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
on the basis of the first embodiment, the device for measuring the front and back gravity center offset and the offset direction of the goods picked up by the forklift on the fork is additionally arranged, so that the practicability of the forklift transportation safety device is enhanced.
EXAMPLE III
This application fork truck transports safety device receives the feedback when the experiment: the manner of using 2 instruments to respectively display the left and right center of gravity offsets and directions and the front and rear center of gravity offsets and directions of the cargo on the fork 11 is not intuitive enough.
This embodiment improves to above-mentioned problem, for this application fork truck transports the supporting special instrument of safety device, this instrument can show around focus offset and the direction of goods on fork 11 when showing focus offset and direction about the goods. As shown in fig. 9 or 10, the display meter 500 includes a meter housing 530, a meter indicating device 540, and a meter resetting device 550; as shown in fig. 9, the meter housing 530 is cylindrical, a positioning device for positioning the meter is disposed on a side wall of the meter housing 530, 4 pipeline interfaces 531 are disposed at a bottom of the meter housing, and the 4 pipeline interfaces 531 are all used for communicating with the bag 300 (see fig. 12 for communication); the instrument indicating device 540 comprises a floating disc, a rolling ball, a floating disc supporting rod and a force application rod; the floating disc is a disc, and the rolling ball is a sphere and is arranged in the floating disc; the axial direction of the floating disc support rod is the same as the axial direction of the instrument shell 530, one end of the floating disc support rod is fixedly connected with the instrument shell 530, and the other end of the floating disc support rod is connected with the center ball of the floating disc to play a role in supporting the floating disc; the force application rods are telescopic rods, the inner cavities of the force application rods are respectively communicated with 4 pipeline interfaces, the number of the force application rods is 4, the inner cavities of the force application rods are respectively communicated with 4 pipeline interfaces, the 4 force application rods are uniformly distributed around the floating disc support rod by taking the axis of the floating disc support rod as the center, the uniform end of each force application rod is fixedly connected to the instrument shell 530, and the other end of each force application rod is connected with the floating disc ball; the instrument resetting device 550 is used for maintaining the floating disc to be horizontal relative to the instrument housing 550 when a fork of the forklift is in a non-working state, and the instrument resetting device 550 can be a pressure spring sleeved and positioned on a supporting rod of the floating disc; the operator of the forklift truck judges the gravity center offset direction and the offset of the goods on the fork 11 according to the rolling direction of the rolling ball and the inclination degree of the floating disc.
Considering that the rolling of the rolling ball is influenced by the force application of the force application rod and the installation position of the instrument, the installation error and the gradient of the running ground of the forklift, the positioning device for positioning the instrument is structurally similar to a referring structure for maintaining the level of the display instrument; for easy observation, the present invention provides a color bar and/or scale as shown in fig. 11 on the inner wall of the housing of the meter housing 530 as shown in fig. 9; and the operator of the forklift accurately judges the gravity center offset direction and the offset of the goods on the fork 11 according to the inclined lowest point of the floating disc.
The technical scheme in the embodiment of the application at least has the following technical effects or advantages:
through the structure fork truck operating personnel who improves display instrument 500 judge about 11 goods of fork truck focus offset and direction and around focus offset and direction more directly perceived, strengthened fork truck and transported safety device's practicality.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A forklift transportation safety device comprises a forklift main body, and is characterized by further comprising a balanced force application block, an elastic element, a bag, a transfusion pipeline and a display instrument;
the balanced force application block is positioned on the fork of the forklift in a sliding mode, the sliding positioning direction is the normal direction of the upper surface of the fork, and the balanced force application block plays a role in applying the pressure borne by the goods on the bag in a balanced mode;
the elastic element is positioned between the balanced force application block and a fork of the forklift and plays a role in supporting the balanced force application block and offsetting most of the force applied by the balanced force application block on the bag;
the bags are multiple and are all positioned at the positions right below the balanced force application blocks on the fork of the forklift;
force transmission media are filled in the bag, the infusion pipeline and the display instrument;
the display instrument is positioned on a forklift instrument panel and is used for displaying the deflection direction and the deflection degree of the center of gravity of the goods forked by the forklift;
the transfusion pipeline is communicated with the bags on the fork and the display instrument, and the stress state of the bags is fed back to the display instrument through the force transmission medium.
2. The forklift transport safety device of claim 1, further comprising an infusion line telescopic storage device;
the infusion pipeline telescopic receiving device is positioned on the infusion pipeline and plays a role in winding and receiving the infusion pipeline;
the structure of the infusion pipeline telescopic storage device can be a winch with an elastic body arranged inside.
3. The forklift transport safety device of claim 1, wherein said safety device is a safety device for preventing said forklift transport safety device from being damaged
The main structure of the balanced force application block is a long and thin rod, and the length of the balanced force application block is slightly shorter than the length of a fork of a forklift by 5-15 CM;
the material of the bag is rubber or the combination of rubber and metal, the shape of the bag is an ellipsoid, a rectangular block or a cylinder, one end of the bag close to the forklift main body is provided with an opening, namely a first liquid outlet, and the opening is communicated with the infusion pipeline;
the transfusion pipeline is a rubber pipe or a spring hose.
4. The forklift transport safety device of claim 1, wherein the display instrument is a flow meter, and functions to rotate an instrument pointer according to the flow direction and flow rate of the liquid in the infusion pipeline so as to show the cargo gravity center deflection direction and deflection amount to a forklift operator.
5. The forklift transport safety device of claim 1, wherein the display instrument is a pressure gauge, and plays a role in displaying the cargo gravity center deflection direction and deflection amount to a forklift operator according to the comparison of the pressure of liquid in the liquid conveying pipelines communicated with different bags.
6. The forklift transportation safety device of claim 3, wherein a second liquid outlet is formed in one end, away from the forklift body, of the bag, and the second liquid outlet is communicated with a liquid conveying pipeline through which the bag is communicated with an opening formed in one end, close to the forklift body, of the forklift body and a liquid conveying pipeline of a display instrument, so that the pressure in the bag is relieved, and the bag is prevented from being excessively deformed to interfere with a display result.
7. The forklift transport safety device of claim 5, wherein said safety device is a safety device for preventing said forklift transport safety device from being damaged
The number of the balanced force application blocks is 4, the 4 balanced force application blocks are respectively arranged on two goods forks of the forklift, and connecting lines between the middle points of the 4 balanced force application blocks in the order of front left, front right, rear right and rear left are rectangular;
the number of the bags is 8, and each balanced force application block is matched with 2 bags;
the number of the display instruments is 2, and the display instruments are respectively a left gravity center measuring instrument, a right gravity center measuring instrument and a front gravity center measuring instrument and a rear gravity center measuring instrument; the left and right gravity center measuring instruments and the front and rear gravity center measuring instruments respectively display left and right gravity center offset and front and rear gravity center offset of the goods on the fork.
8. The forklift transport safety device of claim 7, wherein said safety device is a safety device for preventing said forklift transport safety device from being damaged
The display instrument comprises an instrument shell, an instrument indicating device and an instrument resetting device;
the instrument shell body is cylindrical, a positioning device for positioning an instrument is arranged on the side wall of the instrument shell body, 4 pipeline interfaces are arranged at the bottom of the instrument shell body, and the 4 pipeline interfaces are all used for communicating the bag;
the instrument indicating device comprises a floating disc, a rolling ball, a floating disc supporting rod and a force application rod;
the floating disc is a disc, and the rolling ball is a sphere and is arranged in the floating disc;
the axial direction of the floating disc support rod is the same as that of the instrument shell, one end of the floating disc support rod is fixedly connected with the instrument shell 530, and the other end of the floating disc support rod is connected with the center ball of the floating disc to play a role in supporting the floating disc;
the force application rod is a telescopic rod and extends and retracts by the internal pressure of the force application rod;
the number of the force application rods is 4, the inner cavities of the force application rods are respectively communicated with 4 pipeline interfaces, the 4 force application rods are uniformly distributed on the periphery of the floating disc supporting rod by taking the axis of the floating disc supporting rod as a center, one end of each force application rod is fixedly connected to the instrument shell, and the other end of each force application rod is connected with the floating disc ball;
the instrument resetting device is used for maintaining the floating disc to be horizontal relative to the instrument shell when a fork of the forklift is in a non-working state;
the structure of the instrument resetting device can be a pressure spring sleeved and positioned on a supporting rod of the floating disc;
the operator of the forklift judges the gravity center offset direction and the offset of the goods on the fork according to the rolling direction of the rolling ball and the inclination degree of the floating disc.
9. The forklift transport safety device of claim 8, wherein said safety device is a safety device for preventing said forklift transport safety device from being damaged
The inner wall of the shell of the instrument shell is provided with a colored strip and/or scales.
10. The forklift transport safety device of claim 5, wherein said safety device is a safety device for preventing said forklift transport safety device from being damaged
The display instrument comprises an instrument shell, an instrument indicating device and an instrument resetting device;
the instrument shell is provided with two pipeline interfaces which are respectively used for communicating bags positioned on the two forks;
the instrument indicating device comprises a scale or a color bar, a piston pointer and a transparent window;
the instrument resetting device plays a role in maintaining the piston pointer at a middle position when the balanced force application blocks on the fork are not pressed;
the instrument resetting device can be symmetrically arranged springs.
CN202010647194.XA 2020-07-07 2020-07-07 Forklift transfer safety device Active CN111825024B (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224815A (en) * 1990-09-28 1993-07-06 Linde Aktiengesellschaft Industrial truck with a monitoring apparatus for the loading state
CN102491239A (en) * 2011-12-08 2012-06-13 三一集团有限公司 Fork truck as well as anti-tipping control method and anti-tipping control system thereof
CN106744519A (en) * 2016-12-25 2017-05-31 苏州百搭王者物流技术有限公司 The energy-conservation fork truck that a kind of center of gravity can be adjusted
CN107311080A (en) * 2017-08-23 2017-11-03 惠安县惠祥科技有限公司 A kind of goods sorting method that center of gravity of goods is detected based on fork truck
CN110182726A (en) * 2019-05-21 2019-08-30 安徽安鑫货叉有限公司 A kind of intelligent pallet fork of stable loading

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224815A (en) * 1990-09-28 1993-07-06 Linde Aktiengesellschaft Industrial truck with a monitoring apparatus for the loading state
CN102491239A (en) * 2011-12-08 2012-06-13 三一集团有限公司 Fork truck as well as anti-tipping control method and anti-tipping control system thereof
CN106744519A (en) * 2016-12-25 2017-05-31 苏州百搭王者物流技术有限公司 The energy-conservation fork truck that a kind of center of gravity can be adjusted
CN107311080A (en) * 2017-08-23 2017-11-03 惠安县惠祥科技有限公司 A kind of goods sorting method that center of gravity of goods is detected based on fork truck
CN110182726A (en) * 2019-05-21 2019-08-30 安徽安鑫货叉有限公司 A kind of intelligent pallet fork of stable loading

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