CN109941891A - A kind of novel hoisting apparatus and weighing method equipped with weighing sensing device - Google Patents
A kind of novel hoisting apparatus and weighing method equipped with weighing sensing device Download PDFInfo
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- CN109941891A CN109941891A CN201910340838.8A CN201910340838A CN109941891A CN 109941891 A CN109941891 A CN 109941891A CN 201910340838 A CN201910340838 A CN 201910340838A CN 109941891 A CN109941891 A CN 109941891A
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Abstract
The invention discloses a kind of novel hoisting apparatus equipped with weighing sensing device, including crane walking track, gantry and trolley, trolley includes split type vehicle frame and the hoisting mechanism that is arranged on split type vehicle frame, split type vehicle frame includes upper frame and lower vehicle frame, and distribution is provided with four groups of identical vehicle frame weighing sensors between upper frame supporting beam and lower vehicle frame supporting beam；Rope guide is provided with by reel screw thread on reel, the pressing plate top and bottom of rope guide protrude outward setting, and the pressing plate lower section of rope guide has been connected with hanging object balancing device by playing a hanging object balancing device connecting plate.The present invention more can accurately obtain the weight of institute's lift cargo, while have the advantages that keep cargo during handling stable, and structure is simple, is also convenient for existing bridge crane rebuilding at low cost.
Description
Technical field
The present invention relates to a kind of lifting equipment more particularly to a kind of bridge cranes and weighing equipped with weighing sensing device
Method.
Background technique
It, being capable of vertical-lift and level is removed in a certain range currently, lifting equipment is widely used in all kinds of construction sites
Weight is transported, working efficiency is greatly improved.
Bridge crane, be one kind can crossbearer in the working environments overhead such as workshop, warehouse and stock ground and carry out material and hang
The lifting equipment of fortune.Bridge crane mainly includes crane walking track, gantry and trolley, and gantry includes shape after connection
Rectangular two groups of girders and two groups of end carriages, the crane that two groups of end carriages are respectively provided at both sides are walked on track, and gantry is by big
It is run on vehicle driving device drives edge crane walking track length direction；Cart actuating device mainly by cart driving motor,
Transmission shaft, retarder, wheel and brake are constituted.Trolley is provided on two groups of girders, trolley is driven by trolley and filled
Set the length direction movement of two groups of girders of drives edge；Drive car mainly by trolley drive motor, transmission shaft, retarder,
Wheel and brake are constituted.Trolley includes vehicle frame and the hoisting mechanism that is arranged on vehicle frame, and hoisting mechanism is mainly by being promoted
Motor, retarder, reel and brake composition.Bridge crane can make full use of the space handling object below gantry because of it
Material is applied to a variety of workplaces, such as build work not by the obstruction of ground installation as the most widely used lifting equipment
Journey place, rubbish fortune hang place etc..
Existing bridge crane often needs to carry out weighing guarantor to goods weight hanged under suspension hook when transporting goods
It deposits, more especially under the workplace with constant weight required precision, such as in the work such as rubbish handling.For above-mentioned title
Important to ask, existing bridge crane mostly uses greatly bearing seat type weighing sensor, i.e., weighing is arranged in the bearing block of reel
Sensor, for the weight that recording reel is born, in order to calculate the weight of the hanged cargo of suspension hook.But existing bearing
A seating weighing sensor is after working long hours, since long-term stress causes the mechanical characteristic of the foil gauge of weighing sensor to occur
Variation, to cause measurement result not accurate enough, and can not provide any aided measurement solutions, can only stop production replacement.
On the other hand, existing lifting equipment passes through promotion motor and mentions with the wirerope progress cargo wound on movable reel
It rises, since wirerope has certain flexibility, can shake phenomena such as waving in freight lifting, generate one so as to cause reel
The displacement for determining degree causes weighing measurement result not accurate enough.Meanwhile the shaking occurred in freight lifting phenomena such as waving, also can
Very big security risk is generated to the cargo of promotion, the goods and materials or wirerope that such as hit ground stacking strike the girder of gantry
Phenomena such as.Meanwhile in the case where rubbish fortune is hung, the rubbish that also will cause in grab bucket is unrestrained, and weighing sensor is caused initially to survey
There is great deviation in the weight data and practical handling weight data obtained.
Summary of the invention
The object of the present invention is to provide a kind of novel hoisting apparatus and weighing method equipped with weighing sensing device, can be compared with
Accurately to obtain the weight of institute's lift cargo, while having the advantages that keep cargo during handling stable, structure is simple,
Convenient for existing bridge crane rebuilding at low cost.
The present invention adopts the following technical solutions:
A kind of novel hoisting apparatus equipped with weighing sensing device, including crane walking track, gantry and trolley, gantry
Including two groups of girders and two groups of end carriages, on the crane walking track that two groups of end carriages are respectively provided at both sides, gantry is driven by cart
Dynamic device drives edge crane walking track length direction operation；It is provided with trolley on two groups of girders, trolley is by small
The length direction of two groups of girders of vehicle driving device drives edge moves, and the trolley includes that split type vehicle frame and setting are dividing
Hoisting mechanism on body bike frame, split type vehicle frame include upper frame and lower vehicle frame, and lower vehicle frame includes under two disposed in parallel
Vehicle frame supporting beam, lower frame connecting plate is provided between two lower vehicle frame supporting beams, and upper frame includes on two disposed in parallel
Vehicle frame supporting beam is provided with upper frame connecting plate between two upper frame supporting beams, and promotion electricity is provided on upper frame connecting plate
Machine, retarder, reel and brake；Upper frame connecting plate and lower frame connecting plate below reel are correspondingly arranged on wirerope
By slot, the end of the wirerope wound on reel is connected with hanger system by wirerope holding tank；Two upper frame supports
Beam correspondence is fastened on two lower vehicle frame supporting beam tops, and divides between two upper frame supporting beams pair and two lower vehicle frame supporting beams
Cloth is provided with four groups of identical vehicle frame weighing sensors；
Rope guide is provided with by reel screw thread on reel, the pressing plate top and bottom of rope guide protrude outward setting, conductor rope
It is connected with hanging object balancing device by playing hanging object balancing device connecting plate below the pressing plate of device, it includes flat for playing hanging object balancing device
Limited block after symmetrically arranged hanging object front limited block of row and hanging object plays hanging object front limited block and plays a left side for limited block after hanging object
Right two sides pass through limited block connecting plate and connect, and it is symmetrical to play a hanging object front limited block side surface opposite with limited block after hanging object
It is provided with the hanger system accommodation groove to match with hanger system outer profile, when reel drives hanger system to move to the top limit
When position, hanger system is located in hanger system accommodation groove and hanger system accommodation groove carries out in horizontal direction hanger system
The rear side surface top of limit, the front side surface and limited block after hanging object that play hanging object front limited block is provided with the first support limit
Position slot, being horizontally disposed between two lower vehicle frame supporting beams has upper limit position block support rod, and upper limit position block support rod is located at the first support
It is slidably connected in limiting slot and with the first support limit slot.
Two groups of girders are all made of I-beam, and drive car includes trolley drive motor, transmission shaft, deceleration
Device, car wheel and brake, car wheel are located at the upper surface of I-beam, play front side surface and the lifting of hanging object front limited block
The rear side surface lower part of limited block is provided with the second support limit slot after object, and being horizontally disposed between two groups of girders has lower position block
Support rod, the both ends of lower position block support rod are provided with lower position block support rod idler wheel, four lower position block support rod idler wheels
Be correspondingly arranged on the lower part upper surface of two groups of girder opposite sides, lower position block support rod be located in the second support limit slot and
It is slidably connected with the second support limit slot.
It is rolled by horizontally disposed hanging object limited block in the first support limit slot and the second support limit slot
Wheel shaft is vertically disposed with two groups and plays hanging object limited block idler wheel, and upper limit position block support rod plays hanging object limited block by corresponding two groups
Idler wheel is slidably connected with the first support limit slot, and lower position block support rod plays hanging object limited block idler wheels and the by corresponding two groups
Two support limit slots are slidably connected.
The hanger system includes movable pulley, and the outside of movable pulley is connected by the first pin shaft and U-shaped shell upper opening
It connects, the Upper vertical portion of suspension hook passes through U-shaped outer casing underpart, and the lower part of U-shaped shell passes through the Upper vertical of the second pin shaft and suspension hook
Portion's connection, the lower part of U-shaped shell is also set in inside the position-restricted housing of taper type, position-restricted housing is axially disposed have it is cylindrical
U-shaped shell receiving portion, the two sides of U-shaped shell receiving portion are also axially provided with pin shaft receiving portion, pin shaft receiving portion along position-restricted housing
It is connected to U-shaped shell receiving portion, the Upper vertical portion that suspension hook is provided at the lower end surface center of position-restricted housing passes through hole, limits shell
The lower end surface of body is connect by bolt with the lower part of U-shaped shell；Play hanging object front limited block and suspension hook system in limited block after hanging object
Accommodation groove of uniting is the arch groove to match with the position-restricted housing shape of taper type, and the surface of arch groove is additionally provided with flexible buffer
Layer.
The hanger system move up to top extreme position when, rope guide axially moved to along reel right end and
Lifting limiter is triggered, position-restricted housing has moved to hanging object front limited block and hanger system accommodating in limited block after hanging object at this time
In the middle part of slot, and the outer surface of position-restricted housing is in contact with supple buffer layer, and the level height of position-restricted housing lower end has been higher than hanging object
Front limited block and the level height for playing limited block after hanging object.
The lower part of hanger system accommodation groove is also uniformly arranged in limited block after the hanging object front limited block and hanging object
Have multiple groups electric pushrod, when rope guide trigger lifting limiter after electric pushrod move out, and multiple groups electric pushrod end it
Between maximum distance be less than position-restricted housing lower end surface diameter.
Reel cover is provided on the outside of the reel, rope guide guide rod, conductor rope is arranged in the outer surface of upper of reel cover
The pressing plate upper end of device is provided with horizontal pilot hole, and rope guide guide rod is located inside pilot hole and slides with the pressing plate of rope guide
Connection；The wirerope that arc is additionally provided on the outside of the pressing plate of rope guide reinforces limit plate, and wirerope reinforces the lower surface of limit plate
The wirerope limiting slot to match with wirerope diameter is formed, the setting direction and wirerope of wirerope limiting slot enter reel table
The direction of the wirerope accommodation groove of face setting matches.
Second pin shaft passes through bearing-type weighing sensor and U-shaped cage connection.
The upper surface of two lower vehicle frame supporting beams is provided with upper frame supporting beam accommodation groove, and two lower vehicle frame supporting beams
The rear and front end of the upper frame supporting beam accommodation groove of upper surface setting is provided with location hole, the shape of two upper frame supporting beams
Match with upper frame supporting beam accommodation groove, and the rear and front end of two upper frame supporting beam lower end surfaces is provided with and location hole
The positioning column to match, the lower end of two upper frame supporting beams are separately positioned in two upper frame supporting beam accommodation grooves, and two
The positioning column of a upper frame supporting beam lower end surface setting is located at corresponding positioning hole, the bottom surface of each location hole and positioning
Vehicle frame weighing sensor is provided between the lower end surface of column.
The weighing method of novel hoisting apparatus equipped with weighing sensing device, successively comprises the steps of:
A: removing hanger system, acquired respectively using controller four vehicle frame weighing sensors output AD value and be denoted as Zad1,
Zad2, Zad3 and Zad4；Then the total weight Wd of peripheral hardware weighing-appliance measurement hanger system is utilized；
B: hanger system is mounted on the wirerope of reel, and then control promotes motor work, drives wirerope by reel
The hanger system ground upwardly and out that wirerope lower end is arranged, is then acquired four vehicle frames respectively using controller and claimed
It retransmits the AD value of sensor output and is denoted as Cad1, Cad2, Cad3 and Cad4；
C: it will be connect by suspension hook with hanger system to lift cargo；
D: control promotes motor work, drives wirerope and the hanger system of wirerope lower end setting to move upwards by reel,
To sling to lift cargo；
E: after lift cargo leaves ground, continuing control and promote motor work, when hanger system moves up to top pole
When extreme position, rope guide axially moves to right end and triggering lifting limiter along reel, and lifting limiter control promotes motor
It stops working, brake limitation reel remains static, and position-restricted housing has moved to hanging object front limited block and played hanging object at this time
Afterwards in limited block in the middle part of hanger system accommodation groove, and the outer surface of position-restricted housing is in contact with supple buffer layer；
Then bearing-type weighing sensor is acquired by controller respectively and four vehicle frame weighing sensors export AD value, if bearing
The AD value of formula weighing sensor output is A0, and the AD value of four vehicle frame weighing sensors output is denoted as A1, A1, A3 and A4 respectively；
The nominal load capacity of each sensor is obtained according to bearing-type weighing sensor and four vehicle frame weighing sensor factory information
Value is followed successively by C0, C1, C2, C3 and C4, and the driving voltage of bearing-type weighing sensor and sensitivity are respectively E0 and S0, four phases
The driving voltage of same vehicle frame weighing sensor and sensitivity are respectively E1 and S1, then controller is calculated according to following formula
Bearing-type weighing sensor is resulting resulting to lift cargo weight to lift cargo weight W0 and four vehicle frame weighing sensors
Amount；
W0=(C0 * A0)/(B0 * E0 * S0)；
It is resulting for four vehicle frame weighing sensors to be calculated separately out to lift cargo weight using two kinds of calculation formula
Under initial vehicle frame weighing sensor state and review under vehicle frame weighing sensor state to lift cargo weight；
Under initial vehicle frame weighing sensor state to lift cargo weight W11 are as follows:
W11=(C1+C2+C3+C4) * (A1+A2+A3+A4)/(B1 * E1 * S1)；
Wherein, B0 is that selected AD converts AD value corresponding to the every mV of chip in bearing-type weighing sensor Acquisition Circuit；B1 is
AD value corresponding to the selected AD conversion every mV of chip in vehicle frame weighing sensor Acquisition Circuit；
Review vehicle frame weighing sensor state under to lift cargo weight W12 are as follows:
W12=[ (A1+A2+A3+A4)-(Zad1+ Zad2+ Zad3+ Zad4) ]/K；
Wherein, K is mark rate,
K=[ (Cad1+ Cad2+ Cad3+ Cad4)-(Zad1+ Zad2+ Zad3+ Zad4) ]/Wd；
F: whether judgement (W12- W11)/W12 is less than or equal to α, the % of error rate α=5, and if more than α, then output is to lift cargo
Final weight be [ (W0+ W11+ W12)/3 ]-W0, and step A is returned to when lift cargo transporting next time；
If being less than α, exporting to the final weight of lift cargo is W12- W0, and is returned again when lift cargo transporting next time
Return step C.
Position and setting structure is arranged by changing sensor in the present invention, more can accurately collect delicate
Information；Cargo is stablized during the present invention is able to maintain handling, acquires weight information in the quiescent state to further increase data standard
True rate；The configuration of the present invention is simple, manufacturing cost is low, rebuilding at low cost on the basis of existing bridge crane of being more convenient for；The present invention
Moving synchronously for hanging object balancing device and wirerope is realized, realizes side-to-side movement with rope guide, realizes front and back fortune with lower vehicle frame
It is dynamic, the normal operation of trolley and gantry will not be interfered；The present invention has also carried out further reinforcement to rope guide and has fixed,
Effectively extend rope guide working life；The present invention can also prevent cargo from falling to a certain extent, reduce security risk；This hair
It is bright that weighing optional equipment can also be set, guarantee product normal use；The present invention is also specially designed hanger system accommodation groove and limit
The shape of position shell can either guarantee that position-restricted housing can smoothly enter into hanger system accommodation groove, and can be using by two
The hanger system accommodation groove of the taper type of arch groove composition carries out good guiding role to position-restricted housing, when on position-restricted housing
When rising to designated position, an effective gap can be kept with hanger system accommodation groove inner wall, gap is filled out by supple buffer layer
It fills, can either guarantee that hard collision will not occur for position-restricted housing and hanger system accommodation groove, and frictional force can be effectively increased, to reach
It to most tight position-limiting action, prevents hanger system from shaking together in company with cargo to be lifted, prevents security risk, improve weighing essence
Degree.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of upper frame in the present invention；
Fig. 2 is the structural schematic diagram of lower vehicle frame in the present invention；
Fig. 3 is the structural schematic diagram of trolley and gantry in the present invention；
Fig. 4 is the attachment structure schematic diagram that hanging object balancing device and rope guide are played in the present invention；
Fig. 5 is the structural schematic diagram that hanging object front limited block is played in the present invention；
Fig. 6 is the structural schematic diagram of hanger system in the present invention；
Fig. 7 is the structural schematic diagram of position-restricted housing in the present invention；
Fig. 8 is the attachment structure schematic diagram of crane walking track, gantry and trolley in the present invention.
Specific embodiment
The present invention is made with detailed description below in conjunction with drawings and examples:
As described in Fig. 1 to Fig. 8, a kind of novel hoisting apparatus equipped with weighing sensing device of the present invention, including crane
Walking track 1, gantry 2 and trolley 3, gantry 2 include two groups of girders 4 and two groups of end carriages 5, and two groups of end carriages 5 are separately positioned on
On the crane walking track 1 of two sides, gantry 2 is run by cart actuating device drives edge crane walking 1 length direction of track,
Cart actuating device is mainly made of cart driving motor 6, transmission shaft, retarder 16, wheel 8 and brake.On two groups of girders 4
It is provided with trolley 3, trolley 3 is moved by the length direction of two groups of girders 4 of drive car drives edge, trolley driving
Device is mainly made of trolley drive motor 7, transmission shaft, retarder 16, wheel 8 and brake.
In the present invention, trolley 3 includes split type vehicle frame and the hoisting mechanism being arranged on split type vehicle frame, split type
Vehicle frame includes upper frame 9 and lower vehicle frame 10, and lower vehicle frame 10 includes two lower vehicle frame supporting beams 11 disposed in parallel, two lower vehicle frames
It is provided with lower frame connecting plate 12 between supporting beam 11, upper frame 9 includes two upper frame supporting beams 13 disposed in parallel, and two
It is provided with upper frame connecting plate 14 between upper frame supporting beam 13, is provided on upper frame connecting plate 14 and promotes motor 15, slows down
Device 16, reel 18 and brake 17；The upper frame connecting plate 14 and lower frame connecting plate 12 of 18 lower section of reel are correspondingly arranged on
Wirerope passes through slot 19, and the end of the wirerope wound on reel 18 is connected with hanger system by wirerope holding tank；Two
Upper frame supporting beam 13 is corresponding to be fastened on two lower 11 tops of vehicle frame supporting beam, and two upper frame supporting beams 13 are under with two
Distribution is provided with four groups of identical vehicle frame weighing sensors 20 between vehicle frame supporting beam 11.
In the present embodiment, the upper surface of two lower vehicle frame supporting beams 11 is provided with upper frame supporting beam accommodation groove 21, and
The rear and front end of the upper frame supporting beam accommodation groove 21 of two lower 11 upper surface of vehicle frame supporting beam settings is provided with location hole 22,
The shape of two upper frame supporting beams 13 matches with upper frame supporting beam accommodation groove 21, and two 13 lower ends of upper frame supporting beam
The rear and front end in face is provided with the positioning column 23 to match with location hole 22, and the lower end of two upper frame supporting beams 13 is set respectively
It sets in two upper frame supporting beam accommodation grooves 21, and the positioning column 23 of two 13 lower end surface of upper frame supporting beam settings distinguishes position
It is passed in corresponding location hole 22, being provided with vehicle frame weighing between the bottom surface of each location hole 22 and the lower end surface of positioning column 23
Sensor 20.
The above-mentioned accommodating of upper frame supporting beam 13, location hole 22 and the mating setting of positioning column 23, can either guarantee 9 He of upper frame
Lower vehicle frame 10 is stably connected with, while can be ensured in raising when lift cargo again, and the quality that cargo is born is all by four
The identical vehicle frame weighing sensor 20 of group accurately acquires, and further strengthens the accuracy of Weight acquisition.Meanwhile split type vehicle frame
Design, also greatly reduce labor intensity when vehicle frame 20 installation and replacement of weighing sensor, be also convenient for existing bridge-type rise
Heavy-duty machine is transformed upgrading, exchanges high-precision weighing results for low cost.
In order to keep cargo during handling to stablize, the weight of institute's lift cargo, the present invention are more accurately obtained
Also it has been specially designed hanging object balancing device 24.Rope guide 25 is provided with by 18 screw thread of reel on reel 18, rope guide 25
The top and bottom pressing plate 25-1 protrude outward setting, are connected below the pressing plate 25-1 of rope guide 25 by playing hanging object balancing device
Plate 26 has been connected with hanging object balancing device 24, plays the hanging object front limited block that hanging object balancing device 24 includes Parallel Symmetric setting
24-1 and limited block 24-2 after hanging object, the left and right sides for playing hanging object front limited block 24-1 and limited block 24-2 after hanging object lead to
The connection of limited block connecting plate 27 is crossed, it is symmetrical to play the side surface opposite with limited block 24-2 after hanging object hanging object front limited block 24-1
It is provided with the hanger system accommodation groove 28 to match with hanger system outer profile, when reel 18 drives hanger system to move to top
When extreme position, hanger system is located in hanger system accommodation groove 28 and hanger system accommodation groove 28 carries out level to hanger system
Limit on direction, the rear side surface top for playing the front side surface and limited block 24-2 after hanging object of hanging object front limited block 24-1 are equal
It is provided with the first support limit slot 29, being horizontally disposed between two lower vehicle frame supporting beams 11 has upper limit position block support rod 30, the upper limit
Position block support rod 30 is located in the first support limit slot 29 and is slidably connected with the first support limit slot 29.
In the present embodiment, in order to guarantee that stablizing for hanging object balancing device 24 supports, two groups of girders 4 are all made of I-shaped
Beam, drive car include trolley drive motor 7, transmission shaft, retarder 16, car wheel 8 and brake, car wheel 8
Positioned at the upper surface of I-beam, plays the front side surface of hanging object front limited block 24-1 and play the rear side surface of limited block 24-2 after hanging object
Lower part is provided with the second support limit slot 31, and being horizontally disposed between two groups of girders 4 has lower position block support rod 32, lower position block
The both ends of support rod 32 are provided with lower position block support rod idler wheel 33, and four lower position block support rod idler wheels 33 are correspondingly arranged in
On the lower part upper surface of two groups of 4 opposite sides of girder, lower position block support rod 32 is located in the second support limit slot 31 and with the
Two support limit slots 31 are slidably connected.Pass through horizontally disposed in first support limit slot 29 and the second support limit slot 31
34 shaft of hanging object limited block idler wheel is vertically disposed with two groups and plays hanging object limited block idler wheel 34, and upper limit position block support rod 30 passes through correspondence
Two groups rise hanging object limited block idler wheels 34 be slidably connected with the first support limit slot 29, lower position block support rod 32 pass through it is corresponding
Two groups are played hanging object limited block idler wheel 34 and are slidably connected with the second support limit slot 31.
The design of above-mentioned front and back total four groups of limited block support rods up and down, enabled hanging object balancing device 24 steadily
Support provides good support for subsequent anti-drop function and guarantees.Simultaneously as wirerope in lifting process, is wrapped in
One end of roller will be as rope guide 25 be along roller axial movement, and above-mentioned special designing can either make hanger system after the lifting
Accurately in the hanger system accommodation groove 28 of hanging object balancing device, and it can guarantee that hanging object balancing device 24 will not interfere just
The movement of wirerope during Chang Qisheng handling, and also ensured that hanging object balancing device 24 is run simultaneously with trolley 3, with
Rope guide 25 realizes side-to-side movement, moves forward and backward with the realization of lower vehicle frame 10, will not interfere the normal fortune of trolley 3 and gantry 2
Row.
In the present embodiment, hanger system includes movable pulley 35, and the outside of movable pulley 35 passes through the first pin shaft 36 and U-shaped shell
The connection of 37 upper openings, the Upper vertical portion of suspension hook 39 pass through 37 lower part of U-shaped shell, and the lower part of U-shaped shell 37 passes through the second pin
Axis 38 is connect with the Upper vertical portion of suspension hook 39, and the lower part of U-shaped shell 37 is also set in inside the position-restricted housing 40 of taper type, limit
Position shell 40 is axially disposed cylindrical U-shaped shell receiving portion 41, and the two sides of U-shaped shell receiving portion 41 are also along position-restricted housing
40 are axially provided with pin shaft receiving portion 42, and pin shaft receiving portion 42 is connected to U-shaped shell receiving portion 41, the lower end surface of position-restricted housing 40
The Upper vertical portion that suspension hook 39 is provided at center passes through hole 43, and the lower end surface of position-restricted housing 40 passes through bolt and U-shaped shell 37
Lower part connection；Playing after hanging object front limited block 24-1 and hanging object hanger system accommodation groove 28 in limited block 24-2 is and frustum
The arch groove that 40 shape of position-restricted housing of shape matches, the surface of arch groove is additionally provided with supple buffer layer.Such as rubber.
When hanger system moves up to top extreme position, rope guide 25 is axially moved along reel 18 to right end and touching
Send out lifting limiter (prior art, details are not described herein), at this time position-restricted housing 40 moved to hanging object front limited block 24-1 with
28 middle part of hanger system accommodation groove in limited block 24-2 is played after hanging object, and the outer surface of position-restricted housing 40 connects with supple buffer layer
Touching, the level height of 40 lower end of position-restricted housing have been higher than hanging object front limited block 24-1 and have played the level height of limited block 24-2 after hanging object
Degree.
In the present invention, hanger system accommodation groove 28 is using arch groove and the Aided design of the position-restricted housing 40 of taper type, both
It can guarantee that position-restricted housing 40 can smoothly enter into hanger system accommodation groove 28, and can utilize and pass through two arch grooves compositions
The hanger system accommodation groove 28 of taper type carries out good guiding role to position-restricted housing 40, when position-restricted housing 40 rises to finger
When positioning is set, an effective gap can be kept with 28 inner wall of hanger system accommodation groove, meanwhile, this gap can be flexible
Buffer layer filling can either guarantee that hard collision will not occur for position-restricted housing 40 and hanger system accommodation groove 28, and can effectively increase
Add frictional force, to reach most tight position-limiting action, prevent hanger system from shaking together in company with cargo to be lifted, it is hidden to prevent safety
Suffer from, improves weighing precision.The special construction of position-restricted housing 40 designs, and can either guarantee that existing suspension hook 39 is satisfactorily implanted position-restricted housing
Inside 40, and it can effectively inhibit suspension hook 39 and U-shaped shell 37 after entering hanger system accommodation groove 28 in the horizontal direction
Rotation.
In view of further preventing security risk, the phenomenon under avoiding cargo high-altitude from falling occurs, and plays hanging object front limited block 24-
1 and play after hanging object that the lower part of hanger system accommodation groove 28 is also evenly arranged with multiple groups electric pushrod 44 in limited block 24-2, when leading
Rope device 25 is moved out after triggering lifting limiter by controller control electric pushrod 44, and between 44 end of multiple groups electric pushrod
Maximum distance be less than 40 lower end surface of position-restricted housing diameter.Even if can also utilize limit shell so that wire cable rupture falls off
Body 40 and electric pushrod 44 prevent position-restricted housing 40 to be detached from from hanger system accommodation groove 28.Girder 4 and lower vehicle frame are utilized simultaneously
10 disperse the downward pressure afforded.After rope guide 25 leaves and disengages with lifting limiter, by controller control
Electric pushrod 44 processed does not interfere hanger system to move downward to contract.
Since rope guide 25 itself is not able to rotate, when reel 18 rotates, drive rope guide 25 along reel 18 by thread groove
The wirerope wound, is accurately introduced, is drawn the helicla flute of reel 18 by axial movement, wirerope by rope guide 25 notch
Discharge.Lateral force is very big when on the one hand working in view of rope guide 25, therefore often easily causes and fracture, since it is desired that conductor rope
Device 25 is reinforced, and the smooth movement of rope guide 25 is on the other hand considered, therefore, in the present embodiment, in the outside of reel 18
It is provided with reel cover, rope guide guide rod 45 is arranged in the outer surface of upper of reel cover, and the pressing plate 25-1(of rope guide 25 is for connecting
More piece conductor rope nut, belongs to routine techniques) upper end is provided with horizontal pilot hole 46, and rope guide guide rod 45 is located at pilot hole 46
It is internal and be slidably connected with the pressing plate 25-1 of rope guide 25；Position is carried out by top of the rope guide guide rod 45 to rope guide 25
It limits, it can be ensured that the moving direction of rope guide 25, while certain reinforcement effect can be played.
Meanwhile the present invention is also additionally provided with the wirerope reinforcement limit plate of arc on the outside of the pressing plate 25-1 of rope guide 25
47, the lower surface that wirerope reinforces limit plate 47 forms the wirerope limiting slot to match with wirerope diameter, wirerope limit
The direction for the wirerope accommodation groove that the setting direction of slot enters the setting of 18 surface of reel with wirerope matches.For in wirerope
The posture that wirerope is modified before into 25 strip grooves of rope guide makes the wirerope accommodation groove of itself and the setting of 18 surface of reel as far as possible
Direction is similar, reduces lateral force when rope guide 25 works.To guarantee the service life of rope guide 25, to form lifting
The efficient linkage of object balancing device 24.
For the catastrophic failure for preventing four vehicle frame weighing sensors 20, the second pin shaft 38 passes through bearing-type weighing sensor 48
It connect with U-shaped shell 37, alternately and refers to,
It successively include following step using the weighing method of the novel hoisting apparatus of the present invention equipped with weighing sensing device
It is rapid:
A: removing hanger system, acquires the AD value of four vehicle frame weighing sensors 20 output respectively using controller and is denoted as
Zad1, Zad2, Zad3 and Zad4；Then the total weight of hanger system is measured using peripheral hardware weighing-appliance such as on-ground weigher, electronic scale etc.
Wd；
In the present invention, vehicle frame weighing sensor 20, bearing-type weighing sensor 48 signal output end be all connected with AD conversion module,
This routinely connects acquisition mode for sensor, and details are not described herein.
B: hanger system being mounted on the wirerope of reel 18, and then control promotes motor 15 and works, and passes through reel 18
The hanger system ground upwardly and out that wirerope lower end is arranged in driving wirerope, is then acquired using controller respectively
The AD value of four vehicle frame weighing sensors 20 output is simultaneously denoted as Cad1, Cad2, Cad3 and Cad4；
C: it will be connect by suspension hook 39 with hanger system to lift cargo；
D: control promotes motor 15 and works, and drives wirerope and the hanger system of wirerope lower end setting to transport upwards by reel 18
It is dynamic, to sling to lift cargo；
E: after lift cargo leaves ground, continue control and promote the work of motor 15, when hanger system moves up to top
When extreme position, rope guide 25 is axially moved along reel 18 to right end and triggering lifting limiter, and lifting limiter control mentions
Lifting motor 15 stops working, and brake limitation reel 18 remains static, and position-restricted housing 40 limits before having moved to hanging object at this time
Position block 24-1 and 28 middle part of hanger system accommodation groove in limited block 24-2 is played after hanging object, and the outer surface of position-restricted housing 40 and flexible
Buffer layer is in contact；
Then bearing-type weighing sensor 48 is acquired by controller respectively and four vehicle frame weighing sensors 20 export AD value, if
The AD value that bearing-type weighing sensor 48 exports is A0, and the AD value of four vehicle frame weighing sensors 20 output is denoted as A1, A1 respectively,
A3 and A4；The mark of each sensor is obtained according to bearing-type weighing sensor 48 and four factory of vehicle frame weighing sensors 20 information
Load capacity value is claimed to be followed successively by C0, C1, C2, C3 and C4, the driving voltage of bearing-type weighing sensor 48 and sensitivity are respectively
E0 and S0, the driving voltage of four identical vehicle frame weighing sensors 20 and sensitivity are respectively E1 and S1, then controller according to
It is resulting to lift cargo weight W0 and four vehicle frame weighing sensors that bearing-type weighing sensor 48 is calculated in following formula
20 is resulting to lift cargo weight；
W0=(C0 * A0)/(B0 * E0 * S0)；
It is resulting for four vehicle frame weighing sensors 20 to be calculated separately out to lift cargo weight using two kinds of calculation formula
Under initial 20 state of vehicle frame weighing sensor and review 20 state of vehicle frame weighing sensor under to lift cargo weight；Initially
It is sensor factory instruction data under 20 state of vehicle frame weighing sensor, according to being under reinspection 20 state of vehicle frame weighing sensor
The data after verifying again are carried out now.
Under initial 20 state of vehicle frame weighing sensor to lift cargo weight W11 are as follows:
W11=(C1+C2+C3+C4) * (A1+A2+A3+A4)/(B1 * E1 * S1)；
Wherein, B0 is that selected AD converts AD value corresponding to the every mV of chip in 48 Acquisition Circuit of bearing-type weighing sensor；B1
AD value corresponding to the every mV of chip is converted for AD selected in 20 Acquisition Circuit of vehicle frame weighing sensor；
Review 20 state of vehicle frame weighing sensor under to lift cargo weight W12 are as follows:
W12=[ (A1+A2+A3+A4)-(Zad1+ Zad2+ Zad3+ Zad4) ]/K；
Wherein, K is mark rate,
K=[ (Cad1+ Cad2+ Cad3+ Cad4)-(Zad1+ Zad2+ Zad3+ Zad4) ]/Wd；
F: whether judgement (W12- W11)/W12 is less than or equal to α, and the value of error rate α=5 %, α can be according to last lift cargos
Actual mass shows that Mass Calculation obtains with weighing sensor afterwards, can also set certainly based on practical experience.If more than α, then output to
The final weight of lift cargo is [ (W0+ W11+ W12)/3 ]-W0, and is returned to when lift cargo transporting next time
Step A；If being less than or equal to α, exporting to the final weight of lift cargo is W12- W0, and is being transported next time to handling
Step C is directly entered when cargo again.
Claims (10)
1. a kind of novel hoisting apparatus equipped with weighing sensing device, including crane walking track, gantry and trolley, bridge
Frame includes two groups of girders and two groups of end carriages, and the crane that two groups of end carriages are respectively provided at both sides is walked on track, and gantry is by cart
The walking track length direction operation of driving device drives edge crane；Be provided with trolley on two groups of girders, trolley by
The length direction of two groups of girders of drive car drives edge moves, it is characterised in that: the trolley includes split type
Vehicle frame and the hoisting mechanism being arranged on split type vehicle frame, split type vehicle frame include upper frame and lower vehicle frame, and lower vehicle frame includes two
A lower vehicle frame supporting beam disposed in parallel, lower frame connecting plate is provided between two lower vehicle frame supporting beams, and upper frame includes two
A upper frame supporting beam disposed in parallel is provided with upper frame connecting plate, upper frame connecting plate between two upper frame supporting beams
On be provided with and promote motor, retarder, reel and brake；Upper frame connecting plate and lower frame connecting plate below reel is right
Wirerope should be provided with and pass through slot, the end of the wirerope wound on reel is connected with hanger system by wirerope holding tank；
Two upper frame supporting beams are corresponding to be fastened on two lower vehicle frame supporting beam tops, and two upper frame supporting beams and two lower vehicle frames
Distribution is provided with four groups of identical vehicle frame weighing sensors between supporting beam；
Rope guide is provided with by reel screw thread on reel, the pressing plate top and bottom of rope guide protrude outward setting, conductor rope
It is connected with hanging object balancing device by playing hanging object balancing device connecting plate below the pressing plate of device, it includes flat for playing hanging object balancing device
Limited block after symmetrically arranged hanging object front limited block of row and hanging object plays hanging object front limited block and plays a left side for limited block after hanging object
Right two sides pass through limited block connecting plate and connect, and it is symmetrical to play a hanging object front limited block side surface opposite with limited block after hanging object
It is provided with the hanger system accommodation groove to match with hanger system outer profile, when reel drives hanger system to move to the top limit
When position, hanger system is located in hanger system accommodation groove and hanger system accommodation groove carries out in horizontal direction hanger system
The rear side surface top of limit, the front side surface and limited block after hanging object that play hanging object front limited block is provided with the first support limit
Position slot, being horizontally disposed between two lower vehicle frame supporting beams has upper limit position block support rod, and upper limit position block support rod is located at the first support
It is slidably connected in limiting slot and with the first support limit slot.
2. the novel hoisting apparatus according to claim 1 equipped with weighing sensing device, it is characterised in that: described two groups
Girder is all made of I-beam, and drive car includes trolley drive motor, transmission shaft, retarder, car wheel and brake,
Car wheel is located at the upper surface of I-beam, plays the front side surface of hanging object front limited block and plays the rear side surface of limited block after hanging object
Lower part is provided with the second support limit slot, and being horizontally disposed between two groups of girders has lower position block support rod, lower position block support
The both ends of bar are provided with lower position block support rod idler wheel, and four lower position block support rod idler wheels are correspondingly arranged in two groups of girder phases
To on the lower part upper surface of side, lower position block support rod is located in the second support limit slot and slides with the second support limit slot
Connection.
3. the novel hoisting apparatus according to claim 2 equipped with weighing sensing device, it is characterised in that: described first
Two are vertically disposed with by horizontally disposed hanging object limited block roller wheel shaft in support limit slot and the second support limit slot
Hanging object limited block idler wheel is organized, upper limit position block support rod plays hanging object limited block idler wheel and the first support limit by corresponding two groups
Slot is slidably connected, and lower position block support rod plays hanging object limited block idler wheel by corresponding two groups and the sliding of the second support limit slot connects
It connects.
4. the novel hoisting apparatus according to claim 3 equipped with weighing sensing device, it is characterised in that: the suspension hook
System includes movable pulley, and the outside of movable pulley is connected by the first pin shaft and U-shaped shell upper opening, the Upper vertical portion of suspension hook
Across U-shaped outer casing underpart, the lower part of U-shaped shell is connected by the Upper vertical portion of the second pin shaft and suspension hook, the lower part of U-shaped shell
It is also set in inside the position-restricted housing of taper type, the axially disposed U-shaped shell receiving portion for having cylinder of position-restricted housing, outside U-shaped
The two sides of shell receiving portion are also axially provided with pin shaft receiving portion along position-restricted housing, and pin shaft receiving portion is connected to U-shaped shell receiving portion,
The Upper vertical portion that suspension hook is provided at the lower end surface center of position-restricted housing passes through hole, the lower end surface of position-restricted housing by bolt with
The lower part of U-shaped shell connects；Playing after hanging object front limited block and hanging object hanger system accommodation groove in limited block is and taper type
The arch groove that matches of position-restricted housing shape, the surface of arch groove is additionally provided with supple buffer layer.
5. the novel hoisting apparatus according to claim 4 equipped with weighing sensing device, it is characterised in that: the suspension hook
When system moves up to top extreme position, rope guide axially moves to right end and triggering lifting limiter along reel, this
When position-restricted housing moved to hanging object front limited block and risen after hanging object in limited block in the middle part of hanger system accommodation groove, and position-restricted housing
Outer surface be in contact with supple buffer layer, the level height of position-restricted housing lower end be higher than hanging object front limited block and rise hanging object after
The level height of limited block.
6. the novel hoisting apparatus according to claim 5 equipped with weighing sensing device, it is characterised in that: the lifting
Object front limited block and play after hanging object that the lower part of hanger system accommodation groove is also evenly arranged with multiple groups electric pushrod in limited block, when leading
Electric pushrod moves out after rope device triggering lifting limiter, and the maximum distance between multiple groups electric pushrod end is less than limit
The diameter of shell lower end surface.
7. the novel hoisting apparatus according to claim 6 equipped with weighing sensing device, it is characterised in that: the reel
Outside be provided with reel cover, rope guide guide rod is arranged in the outer surface of upper of reel cover, and the pressing plate upper end of rope guide is provided with
Horizontal pilot hole, rope guide guide rod are located inside pilot hole and are slidably connected with the pressing plate of rope guide；The pressing plate of rope guide
The wirerope that outside is additionally provided with arc reinforces limit plate, and the lower surface that wirerope reinforces limit plate is formed and wirerope diameter phase
Matched wirerope limiting slot, the wirerope that the setting direction and wirerope of wirerope limiting slot enter mandrel surface setting accommodate
The direction of slot matches.
8. the novel hoisting apparatus according to claim 7 equipped with weighing sensing device, it is characterised in that: described second
Pin shaft passes through bearing-type weighing sensor and U-shaped cage connection.
9. the novel hoisting apparatus according to claim 8 equipped with weighing sensing device, it is characterised in that: two lower vehicle frames
The upper surface of supporting beam is provided with upper frame supporting beam accommodation groove, and the upper frame of two lower vehicle frame supporting beam upper surfaces setting
The rear and front end of supporting beam accommodation groove is provided with location hole, and the shape and upper frame supporting beam of two upper frame supporting beams accommodate
Slot matches, and the rear and front end of two upper frame supporting beam lower end surfaces is provided with the positioning column to match with location hole, and two
The lower end of a upper frame supporting beam is separately positioned in two upper frame supporting beam accommodation grooves, and two upper frame supporting beam lower ends
The positioning column of face setting is located at corresponding positioning hole, is all provided between the bottom surface of each location hole and the lower end surface of positioning column
It is equipped with vehicle frame weighing sensor.
10. the weighing method of the novel hoisting apparatus according to claim 9 equipped with weighing sensing device, feature exist
In successively comprising the steps of:
A: removing hanger system, acquired respectively using controller four vehicle frame weighing sensors output AD value and be denoted as Zad1,
Zad2, Zad3 and Zad4；Then the total weight Wd of peripheral hardware weighing-appliance measurement hanger system is utilized；
B: hanger system is mounted on the wirerope of reel, and then control promotes motor work, drives wirerope by reel
The hanger system ground upwardly and out that wirerope lower end is arranged, is then acquired four vehicle frames respectively using controller and claimed
It retransmits the AD value of sensor output and is denoted as Cad1, Cad2, Cad3 and Cad4；
C: it will be connect by suspension hook with hanger system to lift cargo；
D: control promotes motor work, drives wirerope and the hanger system of wirerope lower end setting to move upwards by reel,
To sling to lift cargo；
E: after lift cargo leaves ground, continuing control and promote motor work, when hanger system moves up to top pole
When extreme position, rope guide axially moves to right end and triggering lifting limiter along reel, and lifting limiter control promotes motor
It stops working, brake limitation reel remains static, and position-restricted housing has moved to hanging object front limited block and played hanging object at this time
Afterwards in limited block in the middle part of hanger system accommodation groove, and the outer surface of position-restricted housing is in contact with supple buffer layer；
Then bearing-type weighing sensor is acquired by controller respectively and four vehicle frame weighing sensors export AD value, if bearing
The AD value of formula weighing sensor output is A0, and the AD value of four vehicle frame weighing sensors output is denoted as A1, A1, A3 and A4 respectively；
The nominal load capacity of each sensor is obtained according to bearing-type weighing sensor and four vehicle frame weighing sensor factory information
Value is followed successively by C0, C1, C2, C3 and C4, and the driving voltage of bearing-type weighing sensor and sensitivity are respectively E0 and S0, four phases
The driving voltage of same vehicle frame weighing sensor and sensitivity are respectively E1 and S1, then controller is calculated according to following formula
Bearing-type weighing sensor is resulting resulting to lift cargo weight to lift cargo weight W0 and four vehicle frame weighing sensors
Amount；
W0=(C0 * A0)/(B0 * E0 * S0)；
It is resulting for four vehicle frame weighing sensors to be calculated separately out to lift cargo weight using two kinds of calculation formula
Under initial vehicle frame weighing sensor state and review under vehicle frame weighing sensor state to lift cargo weight；
Under initial vehicle frame weighing sensor state to lift cargo weight W11 are as follows:
W11=(C1+C2+C3+C4) * (A1+A2+A3+A4)/(B1 * E1 * S1)；
Wherein, B0 is that selected AD converts AD value corresponding to the every mV of chip in bearing-type weighing sensor Acquisition Circuit；B1 is
AD value corresponding to the selected AD conversion every mV of chip in vehicle frame weighing sensor Acquisition Circuit；
Review vehicle frame weighing sensor state under to lift cargo weight W12 are as follows:
W12=[ (A1+A2+A3+A4)-(Zad1+ Zad2+ Zad3+ Zad4) ]/K；
Wherein, K is mark rate,
K=[ (Cad1+ Cad2+ Cad3+ Cad4)-(Zad1+ Zad2+ Zad3+ Zad4) ]/Wd；
F: whether judgement (W12- W11)/W12 is less than or equal to α, the % of error rate α=5, and if more than α, then output is to lift cargo
Final weight be [ (W0+ W11+ W12)/3 ]-W0, and step A is returned to when lift cargo transporting next time；
If being less than α, exporting to the final weight of lift cargo is W12- W0, and is returned again when lift cargo transporting next time
Return step C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910340838.8A CN109941891B (en) | 2019-04-25 | 2019-04-25 | Novel hoisting equipment with weighing sensing device and weighing method |
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| CN201910340838.8A CN109941891B (en) | 2019-04-25 | 2019-04-25 | Novel hoisting equipment with weighing sensing device and weighing method |
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| CN109941891B CN109941891B (en) | 2020-06-26 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112249903A (en) * | 2020-10-20 | 2021-01-22 | 南京工程学院 | Automatic detection system and detection method for steel plate transfer |
| CN113188944A (en) * | 2021-04-27 | 2021-07-30 | 陕西科技大学 | Conduction type vacuum drying automatic weighing system |
| CN113666267A (en) * | 2021-08-25 | 2021-11-19 | 浙江硕实机械有限公司 | Automatic detection and data statistics control system for hoisting weight of crane |
| CN114031001A (en) * | 2021-12-01 | 2022-02-11 | 河南省发达起重机有限公司 | Bridge frame of bridge crane |
| CN114229048A (en) * | 2021-12-13 | 2022-03-25 | 哈尔滨工业大学 | Space cargo locking device based on flexible rope and locking method thereof |
| CN117208773A (en) * | 2023-11-07 | 2023-12-12 | 河南豫中起重集团有限公司 | Anti-swing bridge crane |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19919628A1 (en) * | 1999-03-22 | 2000-09-28 | Liebchen Lars Gunnar | Multifunctional room or hall with ergonomic arrangement to support people or objects, e.g. computer equipment at correct position, or to support training equipment, has system of support arms |
| CN104477778A (en) * | 2014-12-19 | 2015-04-01 | 太原重工股份有限公司 | Crane with high weighing accuracy |
| CN204873523U (en) * | 2015-07-01 | 2015-12-16 | 东莞市台冠起重机械设备有限公司 | Bridge -type lifter |
-
2019
- 2019-04-25 CN CN201910340838.8A patent/CN109941891B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19919628A1 (en) * | 1999-03-22 | 2000-09-28 | Liebchen Lars Gunnar | Multifunctional room or hall with ergonomic arrangement to support people or objects, e.g. computer equipment at correct position, or to support training equipment, has system of support arms |
| CN104477778A (en) * | 2014-12-19 | 2015-04-01 | 太原重工股份有限公司 | Crane with high weighing accuracy |
| CN204873523U (en) * | 2015-07-01 | 2015-12-16 | 东莞市台冠起重机械设备有限公司 | Bridge -type lifter |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112249903A (en) * | 2020-10-20 | 2021-01-22 | 南京工程学院 | Automatic detection system and detection method for steel plate transfer |
| CN113188944A (en) * | 2021-04-27 | 2021-07-30 | 陕西科技大学 | Conduction type vacuum drying automatic weighing system |
| CN113666267A (en) * | 2021-08-25 | 2021-11-19 | 浙江硕实机械有限公司 | Automatic detection and data statistics control system for hoisting weight of crane |
| CN114031001A (en) * | 2021-12-01 | 2022-02-11 | 河南省发达起重机有限公司 | Bridge frame of bridge crane |
| CN114031001B (en) * | 2021-12-01 | 2024-04-09 | 河南省发达起重机有限公司 | Bridge frame of bridge crane |
| CN114229048A (en) * | 2021-12-13 | 2022-03-25 | 哈尔滨工业大学 | Space cargo locking device based on flexible rope and locking method thereof |
| CN117208773A (en) * | 2023-11-07 | 2023-12-12 | 河南豫中起重集团有限公司 | Anti-swing bridge crane |
| CN117208773B (en) * | 2023-11-07 | 2024-01-26 | 河南豫中起重集团有限公司 | Anti-swing bridge crane |
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| CN109941891B (en) | 2020-06-26 |
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