CN112278913B - Weighing and discharging method - Google Patents
Weighing and discharging method Download PDFInfo
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- CN112278913B CN112278913B CN202011211884.7A CN202011211884A CN112278913B CN 112278913 B CN112278913 B CN 112278913B CN 202011211884 A CN202011211884 A CN 202011211884A CN 112278913 B CN112278913 B CN 112278913B
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- 238000005303 weighing Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000007599 discharging Methods 0.000 title description 3
- 230000005484 gravity Effects 0.000 claims abstract description 15
- 230000002457 bidirectional effect Effects 0.000 claims description 33
- 230000000903 blocking effect Effects 0.000 claims description 26
- 238000001125 extrusion Methods 0.000 claims description 17
- 230000000694 effects Effects 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 15
- 230000037431 insertion Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 10
- 238000009825 accumulation Methods 0.000 claims description 7
- 238000007373 indentation Methods 0.000 claims description 5
- 230000010354 integration Effects 0.000 abstract 1
- 241001391944 Commicarpus scandens Species 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G67/00—Loading or unloading vehicles
- B65G67/02—Loading or unloading land vehicles
- B65G67/24—Unloading land vehicles
- B65G67/32—Unloading land vehicles using fixed tipping installations
- B65G67/48—Vehicle tipplers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Loading Or Unloading Of Vehicles (AREA)
Abstract
The invention belongs to the technical field of unloading equipment, and particularly relates to a weighing unloading method; the integrated car unloader applying the method comprises an unloading platform; one end of the unloading platform is rotatably hinged on the ground through a rotating column; the upper surface of the unloading platform is provided with a wagon balance platform, and the front end part of the unloading platform is provided with a gravity sensor; the bottom end of the unloading platform is connected with the telescopic end of the lifting oil cylinder, and the lifting oil cylinder is fixed in the unloading bin; a plurality of groups of tire clamping devices are arranged on two sides of the unloading platform, and a vehicle baffle plate is arranged at the rear end part of the unloading platform; the fixed plates are respectively and symmetrically arranged on two sides of the unloading platform, and sliding cavities are formed in the fixed plates; the lower surface of the sliding cavity is provided with a guide sliding chute; the sliding cavities are all arranged on the clamping plate in a sliding mode; the platform of unloading can realize weighing the integration process of unloading, has effectively shortened originally to go to the weighbridge platform and weigh and go to the required time that consumes of unloading of the car unloader again, and then improves the efficiency that the freight train weighed and unloaded.
Description
Technical Field
The invention belongs to the technical field of unloading equipment, and particularly relates to a weighing and unloading method.
Background
The unloading machine is usually used in the unloading process of bulk materials of automobiles, a lifting platform is generally adopted to automatically unload all bulk materials loaded in dozens of tons to hundreds of tons of automobiles in a terminal time under the action of a hydraulic system, the working process of the unloading machine is that a truck is firstly stopped on the lifting platform, a vehicle stopping device is started, a jacking mechanism is adopted to lift the platform, the lifting platform rotates around a hinged shaft at one end, and when the lifting platform rotates to a certain angle, the bulk materials automatically slide down.
The chinese patent discloses a freight train quick unloader, patent application number is 2010205824170, contain a platform base 1 and main part and bear board 2, two bearing frame supports have in this platform base one end, install bearing frame 4 on these two bearing frame supports respectively, and bear board 2 one end fixed mounting at the main part and have a supporting axle 3, this supporting axle 3 is accepted to this bearing frame 4, this platform base 1 has the jack pit, it is provided with the jack in the pit and lifts this main part and bears board 2 to become 36 to 50 degrees lifters of slope with the horizon.
Although the above patent can automatically unload the truck; however, the conventional freight car is usually weighed at a wagon weighbridge before unloading, and then unloaded at a car unloader, and the distance between the wagon weighbridge and the car unloader is short, so that the time consumed during unloading is long, and the unloading efficiency is low, so that the quick and stable unloading operation of the freight car is influenced.
Disclosure of Invention
In order to make up for the defects of the prior art, the weighing and unloading method provided by the invention is mainly used for solving the problems that the conventional freight car is usually weighed at a wagon weighbridge before unloading and then unloaded at a car unloader, and the phenomena of long time consumption during unloading and slow unloading efficiency are caused due to short distance between the wagon weighbridge and the car unloader, so that the rapid and stable unloading operation of the freight car is influenced.
The technical scheme adopted by the invention for solving the technical problems is as follows: s1, a wagon platform is arranged to weigh a loaded wagon, a calculator of the wagon platform calculates the weight of the loaded wagon, after weighing is completed, a controller of the wagon unloader can control driving motors of a plurality of sets of tire clamping devices to synchronously rotate, the rotation of the driving motors can drive a screw rod sliding sleeve to oppositely move towards the outer walls of the front side and the rear side of the wagon platform through a bidirectional screw rod, the opposite movement of the screw rod sliding sleeve can drive clamping plates to oppositely extend out from symmetrically arranged fixed plates through guide sliding blocks, the opposite movement of the clamping plates on the outer walls of the two sides of the wagon platform can respectively move towards the outer surfaces of tires on the two sides of the wagon, and along with the continuous rotation of the bidirectional screw rod, the clamping plates arranged on the two sides of the wagon platform in a sliding way can be clamped and attached to the tires on the two sides of the wagon, so that the clamping plates can clamp the tires on the two sides of the wagon, the truck baffle can block the rear wheels of the truck;
s2, when the clamping plate is attached to the outer side surfaces of a plurality of tires in a sliding manner, the clamping plate can drive the fixed end of the electric telescopic rod to synchronously slide in the sliding cavity, when the side surface of the clamping plate is completely clamped to the outer side surface of the tire, the controller controls the telescopic end of the electric telescopic rod to extend out, so that the telescopic end can drive the positioning clamping block to slide in the positioning sliding cavity, and simultaneously the outer end of the positioning clamping block slides out of the positioning sliding cavity, along with the continuous extension of the telescopic end of the electric telescopic rod, the positioning clamping block can be inserted into a gap between two adjacent tires, so that when the symmetric clamping plate clamps the tires, the positioning clamping block arranged on the clamping plate in a sliding manner can be inserted between two adjacent tires, the effect of limiting and rotating support can be further achieved for two adjacent tires, and the effective truck is effectively prevented from being inclined, the rear wheels of the truck are subjected to gravity and overlarge thrust force due to the accumulation of goods, the phenomenon that wheels of the truck rotate and slide is caused, the clamping stability of the loaded truck on the unloading platform is influenced, and the safe and efficient unloading of the unloading platform on the truck is influenced;
s3, when the positioning fixture block is inserted between two adjacent tires, the arc-shaped clamping grooves formed in the two sides of the positioning fixture block can be extruded and attached to the outer ring surface of the tire, and therefore the situation that the tire is extruded to the edge angle of the positioning fixture block due to the fact that the two sides of the positioning fixture block are in the shape of an edge angle and the tire is subjected to the thrust of inclined falling of goods is prevented, the service life of the positioning fixture block is influenced, and meanwhile the tire is easily damaged; when the arc-shaped clamping groove is extruded and attached to the outer ring surface of the tire, the cavity wear-resistant layer and the elastic cavity protruding strips arranged on the outer wall of the arc-shaped clamping groove can increase the friction force with the tire, so that the phenomenon that the rear wheel of the truck autorotates due to the gravity accumulation of goods when the truck is obliquely unloaded is further reduced, and the safe unloading of the truck is further improved;
s4, when the clamping plate extends out of the fixed plate, the clamping plate can drive the supporting clamping rod to slide in the sliding guide cavity, meanwhile, the sliding direction of the supporting clamping rod is the same as that of the clamping plate, along with continuous sliding of the symmetrical supporting clamping rods, the horizontal insertion rod of the supporting clamping rod can be inserted into the supporting grooves formed in the two sides of the truck blocking plate, and the supporting grooves are close to the upper surface of the truck blocking plate, so that the supporting clamping rod can play a role in supporting the truck blocking plate in a pulling force manner, and the phenomenon that the truck blocking plate is broken easily due to overlarge extrusion thrust of a rear wheel of a truck to the truck blocking plate when the truck is driven to incline by the unloading platform is effectively prevented, and the effect of the truck blocking plate on the safety of a loaded truck is further influenced; when the clamping plate slides and contracts into the fixed plate, the clamping plate can drive the horizontal inserted rod supporting the clamping rod to slide out of the supporting groove, so that the clamping plate can be conveniently separated from clamping tires on two sides of the truck;
s5, when the horizontal inserted link of the supporting clamping link is inserted into the supporting groove, the corrugated rubber layer wrapped on the outer wall of the horizontal inserted link is correspondingly inserted into the supporting groove, and the corrugations on the outer wall of the corrugated rubber layer are correspondingly attached to the corrugated grooves on the two sides of the supporting groove in a sliding manner, so that the contact friction force between the horizontal inserted link of the supporting clamping link and the supporting groove is increased, and the supporting clamping link is prevented from being separated from the supporting groove; meanwhile, the effect of elastic splicing contact between the corrugated rubber layer wrapped on the outer wall of the horizontal inserted rod and the supporting groove can be realized, and the phenomenon that the contact part of the supporting clamping rod and the supporting groove generates extrusion indentation due to overlarge extrusion force on the vehicle blocking plate is prevented, so that the safe use of the supporting clamping rod is influenced;
s6, when the outer surface of the clamping plate is attached to the outer side surface of the tire, the plurality of elastic blocks arranged on the clamping plate can be extruded and attached to the concave grooves of the outer side surface of the tire, so that the elastic blocks on the outer wall surface of the clamping plate can increase the contact friction resistance with the outer side surface of the tire, and the phenomenon that the outer surfaces of the tire and the clamping plate slide relative to each other easily caused when the clamping plate is clamped to the outer side surface of the tire and a heavy goods vehicle inclines can be effectively prevented, and further the stable clamping effect of the clamping plate on the tires on two sides of the goods vehicle is influenced;
s7, opening a rear bin door of the truck, and controlling the telescopic end of the lifting oil cylinder to extend by the controller, so that the lifting oil cylinder can push one end of the unloading platform to rise, and one end of the unloading platform rises to unload materials in the truck; after unloading is finished, the lifting oil cylinder contracts, one end of the unloading platform, which is raised, falls to a horizontal state, then the controller controls the driving motor to rotate reversely, so that the bidirectional screw rod can drive the symmetrical screw rod sliding sleeves to move in a direction away from the outer walls of the two sides of the unloading platform, the guide sliding block can drive the clamping plates to contract into the sliding cavities, the clamping plates are separated from clamping the tires on the two sides of the truck, the wagon platform starts to weigh the empty wagon, and after weighing is finished, the truck drives away from the platform, and weighing and unloading work is finished;
the integrated car unloader applying the method comprises an unloading platform, a wagon balance platform, a lifting oil cylinder, a tire clamping device and a car stopping plate; the unloading platform is mounted on the ground of the unloading bin, and one end of the unloading platform is rotatably hinged to the ground through a rotating column; the upper surface of the unloading platform is provided with a wagon balance platform, and the front end part of the unloading platform is provided with a gravity sensor; the bottom end of the unloading platform is connected with the telescopic end of the lifting oil cylinder, and the lifting oil cylinder is fixed in the unloading bin; a plurality of groups of tire clamping devices are arranged on two sides of the unloading platform, and a vehicle baffle plate is arranged at the rear end part of the unloading platform; the tire clamping device comprises a fixing plate, a clamping plate, a guide sliding block, a bidirectional spiral screw rod and a screw rod sliding sleeve; the fixed plates are symmetrically arranged on two sides of the unloading platform respectively, and sliding cavities are formed in the fixed plates; the lower surface of the sliding cavity is provided with a guide sliding chute; the sliding cavities are all slidably mounted on the clamping plate, and a guide sliding block is fixed on the bottom end face of the clamping plate; the bidirectional screw rod penetrates through the front side wall and the rear side wall of the unloading platform in a rotating mode and is positioned right below the symmetrically arranged fixed plates; one end of the bidirectional spiral screw rod is connected with the conveying end of the driving motor, and the driving motor is fixed on the unloading platform; two ends of the bidirectional spiral screw rod are respectively sleeved with a screw rod sliding sleeve, the upper surface of the screw rod sliding sleeve is fixedly connected with a guide sliding block, and the guide sliding block slides in a guide sliding chute;
when the wagon is in work, a driver pours a loaded wagon onto the unloading platform, so that tires of the wagon are completely contacted with the upper surface of the wagon platform, and meanwhile, the tire at the rearmost end of the wagon is attached to the side surface of the wagon blocking plate; the driver gets off the train, then the wagon balance platform is arranged to weigh the loaded wagon, the calculator of the wagon balance platform calculates the weight of the loaded wagon, after weighing is finished, a controller of the unloading machine can control a plurality of groups of driving motors of the tire clamping devices to synchronously rotate, the rotation of the driving motors can drive the screw rod sliding sleeves to oppositely move towards the outer walls of the front side and the rear side of the unloading platform through the bidirectional screw rods, the opposite movement of the screw rod sliding sleeves can drive the clamping plates to oppositely extend out from the symmetrically arranged fixed plates through the guide sliding blocks, the opposite movement of the clamping plates of the outer walls of the two sides of the unloading platform can respectively move towards the outer surfaces of tires of two sides of a truck, and along with the continuous rotation of the bidirectional screw rods, so that the clamping plates arranged on the two sides of the unloading platform in a sliding way can be clamped and attached to the tires on the two sides of the freight car, the clamping plate can further clamp tires on two sides of the truck, and the truck blocking plate can block rear wheels of the truck; then the rear bin door of the truck is opened, the controller controls the telescopic end of the lifting oil cylinder to extend out, so that the lifting oil cylinder can push one end of the unloading platform to rise, and one end of the unloading platform rises to unload materials in the truck; after unloading is finished, the lifting oil cylinder contracts, one end of the unloading platform, which is raised, falls to a horizontal state, then the controller controls the driving motor to rotate reversely, so that the bidirectional screw rod can drive the symmetrical screw rod sliding sleeves to move in a direction away from the outer walls of the two sides of the unloading platform, the guide sliding block can drive the clamping plates to contract into the sliding cavities, the clamping plates are separated from clamping the tires on the two sides of the truck, the wagon platform starts to weigh the empty wagon, and after weighing is finished, the truck drives away from the platform, and weighing and unloading work is finished; according to the wagon weighing and unloading integrated process, the wagon platform can automatically weigh the wagon through the wagon platform and the tire clamping device which are arranged on the unloading platform, the tire clamping device can clamp and fix the heavy-duty wagon, the wagon is prevented from sliding on the unloading platform when the unloading platform is lifted and unloaded, and the safe unloading of the unloading platform on the wagon is further influenced, so that the unloading platform can realize the weighing and unloading integrated process, the time consumed by the unloading platform for weighing and then unloading the wagon is effectively shortened, and the weighing and unloading efficiency of the wagon is further improved.
Preferably, the clamping plate is provided with a positioning sliding cavity, and positioning clamping blocks are inserted in the positioning sliding cavity in a sliding manner; the side end of the positioning fixture block is connected with the upper telescopic end of the electric telescopic rod, and the fixed end of the electric telescopic rod is fixed on the clamping plate; the fixed end of the electric telescopic rod penetrates through the outer wall of the fixing plate in a sliding manner; the outer end of each positioning fixture block extends into a space between two adjacent tires in a sliding manner; when the device works, when the clamping plate is attached to the outer side surfaces of a plurality of tires in a sliding mode, the clamping plate can drive the fixed end of the electric telescopic rod to synchronously slide in the sliding cavity, when the side surface of the clamping plate is completely clamped to the outer side surface of the tire, the controller controls the telescopic end of the electric telescopic rod to extend out, so that the telescopic end can drive the positioning clamping block to slide in the positioning sliding cavity, the outer end of the positioning clamping block slides out of the positioning sliding cavity, along with the continuous extension of the telescopic end of the electric telescopic rod, the positioning clamping block can be inserted into a gap between two adjacent tires, the symmetrical clamping plate can clamp the tires, the positioning clamping block arranged on the clamping plate in a sliding mode can be inserted between two adjacent tires, the effect of limiting and rotating support on the two adjacent tires is further achieved, when an effective truck is inclined, the truck rear wheel is prevented from being subjected to overlarge gravity and thrust force due to the accumulation of goods, and then the wheel that leads to the freight train produces the phenomenon of the swift current car of rotation, and then influences the tight stability of load freight train clamp on the platform of unloading, influences the safe high-efficient phenomenon of unloading of platform to the freight train of unloading simultaneously.
Preferably, arc-shaped clamping grooves are formed in two sides of each positioning clamping block, and the arc-shaped clamping grooves can be attached to the outer surfaces of two adjacent tires; the inner wall of the arc-shaped clamping groove is provided with a cavity wear-resistant layer, the outer wall of the cavity wear-resistant layer is fixedly provided with a plurality of elastic cavity protruding strips, and cavities in the elastic cavity protruding strips are communicated with the cavity wear-resistant layer; when the positioning fixture block is inserted between two adjacent tires during working, the arc-shaped clamping grooves formed in the two sides of the positioning fixture block can be extruded and attached to the outer ring surface of the tire, so that the situation that the tire is extruded onto the edge angle of the positioning fixture block due to the fact that the two sides of the positioning fixture block are angular and the tire is subjected to the thrust of goods falling obliquely is avoided, the service life of the positioning fixture block is influenced, and meanwhile, the tire is easily damaged; on arc draw-in groove extrusion laminating tire outer lane face, the cavity wearing layer that sets up on the arc block groove outer wall and the protruding strip of a plurality of elasticity cavity can increase with the frictional force of tire, further reduce the freight train when the slope is unloaded, the freight train rear wheel is because the phenomenon that the goods gravity is piled up and is leaded to the rear wheel to produce the rotation, further improves the safety of freight train and unloads.
Preferably, a sliding guide cavity is formed in the side wall of the fixing plate positioned on the side face of the car baffle, and a support clamping rod is attached in the sliding guide cavity in a sliding manner; one end of the supporting clamping rod is fixed to the side wall of the clamping plate, and a horizontal insertion rod at the other end of the supporting clamping rod is inserted into supporting grooves formed in the front end face and the rear end face of the car stopping plate in a sliding mode; the supporting groove is close to the upper surface of the car baffle; when the truck unloading platform is driven to incline, the extrusion thrust of a rear wheel of the truck to the truck baffle plate is effectively prevented from being too large, the truck baffle plate is easy to break, and the safety blocking effect of the truck baffle plate on a loaded truck is further influenced; when the clamping plate slides and contracts into the fixed plate, the clamping plate can drive the horizontal inserted bar of the supporting clamping rod to slide out of the supporting groove, and then the clamping plate is convenient to separate from clamping the tires at two sides of the truck.
Preferably, both sides of the support groove are corrugated; a corrugated rubber layer is fixed on the outer wall of the horizontal inserted rod of the supporting clamping rod, and the corrugations of the corrugated rubber layer are in mutual sliding fit contact with the corrugations of the two side walls of the supporting groove; when the supporting clamping rod is in work, when the horizontal inserting rod of the supporting clamping rod is inserted into the supporting groove, the corrugated rubber layer wrapped on the outer wall of the horizontal inserting rod is correspondingly inserted into the supporting groove, and the corrugations on the outer wall of the corrugated rubber layer are correspondingly attached to the corrugated grooves on the two sides of the supporting groove in a sliding manner, so that the contact friction force between the horizontal inserting rod of the supporting clamping rod and the supporting groove is increased, and the supporting clamping rod is prevented from being separated from the supporting groove; meanwhile, the effect of elastic plug contact between the corrugated rubber layer wrapped on the outer wall of the horizontal inserted rod and the supporting groove is achieved, the phenomenon that the contact position of the supporting clamping rod and the supporting groove generates an extrusion indentation due to the fact that the extrusion force received by the car blocking plate is too large is prevented, and the safe use of the supporting clamping rod is affected.
Preferably, a plurality of elastic blocks are fixed on the outer surface of the clamping plate, and the outer end surfaces of the elastic blocks are arranged in a rough surface manner; when the clamping plate clamping device works, when the outer surface of the clamping plate is attached to the outer side surface of a tire, a plurality of elastic blocks arranged on the clamping plate can be extruded and attached to the concave grooves of the outer side surface of the tire, so that the elastic blocks on the outer wall surface of the clamping plate can increase the friction resistance in contact with the outer side surface of the tire, the situation that the outer surface of the clamping plate is smooth is effectively prevented, when the clamping plate clamps the outer side surface of the tire, and when a load-carrying truck inclines, the phenomenon that the outer surfaces of the tire and the clamping plate slide relatively is easily caused, and further the stable clamping effect of the clamping plate on the tires on two sides of the truck is influenced.
The invention has the following beneficial effects:
1. according to the wagon weighing and unloading integrated process, the wagon platform can automatically weigh the wagon through the wagon platform and the tire clamping device which are arranged on the unloading platform, the tire clamping device can clamp and fix the heavy-duty wagon, the wagon is prevented from sliding on the unloading platform when the unloading platform is lifted and unloaded, the safe unloading of the unloading platform on the wagon is further influenced, the safe and accurate weighing of the wagon by the wagon platform is simultaneously influenced, the weighing and unloading integrated process of the unloading platform can be realized, the time consumed by the original process of weighing the wagon platform and then unloading the wagon unloading machine is effectively shortened, and the weighing and unloading efficiency of the wagon is further improved.
2. The positioning clamping block slidably arranged on the clamping plate can be inserted between two adjacent tires, so that the adjacent tires can be supported in a limiting and rotating mode, the phenomenon that wheels of a truck slide due to overlarge gravity and thrust on the rear wheels caused by the fact that the rear wheels of the truck are stacked when an effective truck inclines is effectively prevented, the clamping stability of a load truck on an unloading platform is influenced, and meanwhile the phenomenon that the unloading platform safely and efficiently unloads the truck is influenced.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is an assembly view of the unloader and truck of the present invention;
FIG. 3 is a cross-sectional view of the car unloader of the present invention;
FIG. 4 is a diagram of the working state of the unloader of the present invention;
in the figure: the device comprises an unloading platform 1, a wagon balance platform 2, a lifting oil cylinder 3, a tire clamping device 4, a fixing plate 41, a sliding cavity 411, a guide sliding groove 412, a sliding guide cavity 413, a clamping plate 42, a positioning sliding cavity 421, a guide sliding block 43, a bidirectional screw rod 44, a screw rod sliding sleeve 45, a wagon blocking plate 5, a supporting groove 51, a positioning fixture block 6, an arc-shaped fixture groove 61, an electric telescopic rod 7, a cavity wear-resistant layer 8, an elastic cavity protruding strip 81, a supporting fixture rod 9, a horizontal insertion rod 91, a corrugated rubber layer 92 and an elastic block 10.
Detailed Description
A weighing and discharging method according to an embodiment of the present invention will be described below with reference to fig. 1 to 4.
As shown in fig. 1-4, in the weighing and unloading method according to the present invention, S1, the wagon platform 2 is provided to weigh the loaded wagon, the calculator of the wagon platform 2 calculates the weight of the loaded wagon, after weighing is completed, the controller of the unloader controls the driving motors of the tire clamping devices 4 to synchronously rotate, the driving motors rotate to drive the screw rod sliding sleeves 45 to move towards the outer walls of the front and rear sides of the unloading platform 1 through the bidirectional screw rods 44, the screw rod sliding sleeves 45 move towards each other to drive the clamping plates 42 to extend from the symmetrically arranged fixing plates 41 through the guide sliders 43, the clamping plates 42 on the outer walls of the two sides of the unloading platform 1 move towards the outer surfaces of the tires on the two sides of the wagon, and the clamping plates 42 slidably arranged on the two sides of the unloading platform 1 clamp and attach to the tires on the two sides of the wagon along with the continuous rotation of the bidirectional screw rods 44, the clamping plate 42 can clamp tires on two sides of the truck, and the truck baffle 5 can block the rear wheels of the truck;
s2, when the clamping plate 42 is attached to the outer side surfaces of a plurality of tires in a sliding manner, the clamping plate 42 drives the fixed end of the electric telescopic rod 7 to slide in the sliding cavity 411 synchronously, when the side surface of the clamping plate 42 is completely clamped to the outer side surface of the tire, the controller controls the telescopic end of the electric telescopic rod 7 to extend out, so that the telescopic end can drive the positioning clamping block 6 to slide in the positioning sliding cavity 421, and simultaneously, the outer end of the positioning clamping block 6 slides out of the positioning sliding cavity 421, along with the continuous extension of the telescopic end of the electric telescopic rod 7, the positioning clamping block 6 can be inserted into the gap between two adjacent tires in a sliding manner, so that when the tire is clamped by the symmetrical clamping plate 42, the positioning clamping block 6 slidably arranged on the clamping plate 42 can be inserted between two adjacent tires, thereby facilitating the limiting and rotating support of the two adjacent tires, and effectively preventing the truck from inclining, the rear wheels of the truck are subjected to overlarge gravity and thrust due to the accumulation of goods, so that the wheels of the truck rotate and slide, the clamping stability of the loaded truck on the unloading platform 1 is influenced, and the safe and efficient unloading of the unloading platform 1 on the truck is influenced;
s3, when the positioning fixture block 6 is inserted between two adjacent tires, the arc-shaped clamping grooves formed in the two sides of the positioning fixture block 6 can be extruded and attached to the outer ring surface of the tire, so that the situation that the tire is extruded to the edge angle of the positioning fixture block 6 due to the fact that the two sides of the positioning fixture block 6 are in the shape of an edge angle and the tire is subjected to the thrust of inclined falling of goods is prevented, the service life of the positioning fixture block 6 is influenced, and meanwhile, the tire is easily damaged; when the arc-shaped clamping groove is extruded and attached to the outer ring surface of the tire, the cavity wear-resistant layer 8 and the elastic cavity protruding strips 81 arranged on the outer wall of the arc-shaped clamping groove 61 can increase the friction force with the tire, so that the phenomenon that the rear wheel of the truck autorotates due to the gravity accumulation of goods when the truck is obliquely unloaded is further reduced, and the safe unloading of the truck is further improved;
s4, when the clamping plate 42 extends out of the fixed plate 41, the clamping plate 42 can drive the supporting clamping rod 9 to slide in the sliding guide cavity 413, meanwhile, the sliding direction of the supporting clamping rod 9 is the same as that of the clamping plate 42, along with the continuous sliding of the symmetrical supporting clamping rods 9, the horizontal insertion rod 91 of the supporting clamping rod 9 can be inserted into the supporting groove 51 formed in the two sides of the truck blocking plate 5, and because the supporting groove 51 is close to the upper surface position of the truck blocking plate 5, the supporting clamping rod 9 can play a role of pulling force supporting on the truck blocking plate 5, so that the phenomenon that when the truck is driven to incline by the unloading platform 1, the extrusion thrust of the rear wheel of the truck to the truck blocking plate 5 is too large, and the truck blocking plate 5 is easy to break is easily caused, and the effect of the truck blocking load safely by the truck blocking plate 5 is influenced; when the clamping plate 42 slides and contracts into the fixed plate 41, the clamping plate 42 drives the horizontal insertion rod 91 for supporting the clamping rod 9 to slide out of the supporting groove 51, so that the clamping plate 42 is convenient to separate from clamping the tires on two sides of the truck;
s5, when the horizontal inserted link 91 of the supporting clamping link 9 is inserted into the supporting groove 51, the corrugated rubber layer 92 wrapped by the outer wall of the horizontal inserted link 91 is correspondingly inserted into the supporting groove 51, and the corrugations on the outer wall of the corrugated rubber layer 92 are correspondingly attached to the corrugated grooves on two sides of the supporting groove 51 in a sliding manner, so that the contact friction force between the horizontal inserted link 91 of the supporting clamping link 9 and the supporting groove 51 is increased, and the supporting clamping link 9 is prevented from being separated from the supporting groove 51; meanwhile, the effect of elastic splicing contact between the corrugated rubber layer 92 wrapped on the outer wall of the horizontal inserting rod 91 and the supporting groove 51 can be realized, and the phenomenon that the contact part of the supporting clamping rod 9 and the supporting groove 51 generates extrusion indentation due to overlarge extrusion force on the car blocking plate 5 is prevented, so that the safe use of the supporting clamping rod 9 is influenced;
s6, when the outer surface of the clamping plate 42 is attached to the outer side surface of the tire, the plurality of elastic blocks 10 arranged on the clamping plate 42 are extruded and attached to the concave grooves of the outer side surface of the tire, so that the elastic blocks 10 on the outer wall surface of the clamping plate 42 can increase the contact friction resistance with the outer side surface of the tire, and the phenomenon that the outer surfaces of the tire and the clamping plate 42 slide relative to each other easily caused when the clamping plate 42 is clamped to the outer side surface of the tire and a heavy-duty truck inclines due to the fact that the outer surface of the clamping plate 42 is smooth is effectively prevented, and further the stable clamping effect of the clamping plate 42 on the tires on two sides of the truck is influenced;
s7, opening a rear bin door of the truck, and controlling the telescopic end of the lifting oil cylinder 3 to extend by the controller, so that the lifting oil cylinder 3 can push one end of the unloading platform 1 to lift, and one end of the unloading platform 1 can lift to unload materials in the truck; after unloading is finished, the lifting oil cylinder 3 contracts, one raised end of the unloading platform 1 falls to a horizontal state, then the controller controls the driving motor to rotate reversely, so that the bidirectional screw rod 44 can drive the symmetrical screw rod sliding sleeves 45 to move towards the direction far away from the outer walls of the two sides of the unloading platform 1, the guide sliding block 43 can drive the clamping plate 42 to contract into the sliding cavity 411, the clamping plate 42 is separated from clamping tires on the two sides of the truck, the wagon platform 2 begins to weigh the empty wagon, and after weighing is finished, the wagon drives away from the platform, and weighing and unloading work is finished;
the integrated car unloader applying the method comprises a car unloading platform 1, a wagon balance platform 2, a lifting oil cylinder 3, a tire clamping device 4 and a car stopping plate 5; the unloading platform 1 is installed on the ground of the unloading bin, and one end of the unloading platform 1 is rotatably hinged to the ground through a rotating column; the upper surface of the unloading platform 1 is provided with a wagon balance platform 2, and the front end part of the unloading platform 1 is provided with a gravity sensor; the bottom end of the unloading platform 1 is connected with the telescopic end of the lifting oil cylinder 3, and the lifting oil cylinder 3 is fixed in the unloading bin; a plurality of groups of tire clamping devices 4 are arranged on two sides of the unloading platform 1, and a vehicle baffle 5 is arranged at the rear end part of the unloading platform 1; the tire clamping device 4 comprises a fixing plate 41, a clamping plate 42, a guide sliding block 43, a bidirectional screw rod 44 and a screw rod sliding sleeve 45; the fixed plates 41 are respectively and symmetrically arranged at two sides of the unloading platform 1, and sliding cavities 411 are respectively arranged in the fixed plates 41; a guide sliding groove 412 is formed in the lower surface of the sliding cavity 411; the sliding cavities 411 are all mounted in the clamping plate 42 in a sliding mode, and a guide sliding block 43 is fixed on the bottom end face of the clamping plate 42; the bidirectional screw rod 44 passes through the front side wall and the rear side wall of the unloading platform 1 in a rotating mode, and the bidirectional screw rod 44 is located right below the fixing plates 41 which are symmetrically arranged; one end of the bidirectional screw rod 44 is connected with the conveying end of the driving motor, and the driving motor is fixed on the unloading platform 1; two ends of the bidirectional spiral screw rod 44 are respectively sleeved with a screw rod sliding sleeve 45, the upper surface of the screw rod sliding sleeve 45 is fixedly connected with a guide sliding block 43, and the guide sliding block 43 slides in the guide sliding groove 412;
when the wagon is in work, a driver pours a loaded wagon onto the unloading platform 1, so that tires of the wagon are all in contact with the upper surface of the wagon platform 2, and meanwhile, the tire at the rearmost end of the wagon is attached to the side surface of the wagon blocking plate 5; the driver gets off the truck, then the wagon platform 2 is arranged to weigh the loaded truck, the calculator of the wagon platform 2 calculates the weight of the loaded truck, after weighing is completed, the controller of the truck unloader can control the driving motors of the multiple sets of tire clamping devices 4 to synchronously rotate, the rotation of the driving motors can drive the screw rod sliding sleeves 45 to oppositely move towards the outer walls of the front side and the rear side of the truck unloading platform 1 through the bidirectional screw rods 44, the opposite movement of the screw rod sliding sleeves 45 can drive the clamping plates 42 to oppositely extend out from the symmetrically arranged fixed plates 41 through the guide sliding blocks 43, the opposite movement of the clamping plates 42 on the outer walls of the two sides of the truck unloading platform 1 can respectively move towards the outer surfaces of the tires on the two sides of the truck, along with the continuous rotation of the bidirectional screw rods 44, the clamping plates 42 arranged on the two sides of the truck unloading platform 1 in a sliding way can be clamped and attached to the tires on the two sides of the truck, and further the clamping plates 42 can carry out clamping operation on the tires on the truck, the truck baffle 5 can block the rear wheels of the truck; then, a rear bin door of the truck is opened, and the controller controls the telescopic end of the lifting oil cylinder 3 to extend out, so that the lifting oil cylinder 3 can push one end of the unloading platform 1 to rise, and one end of the unloading platform 1 rises to unload materials in the truck; after unloading is finished, the lifting oil cylinder 3 contracts, one raised end of the unloading platform 1 falls to a horizontal state, then the controller controls the driving motor to rotate reversely, so that the bidirectional screw rod 44 can drive the symmetrical screw rod sliding sleeves 45 to move towards the direction far away from the outer walls of the two sides of the unloading platform 1, the guide sliding block 43 can drive the clamping plate 42 to contract into the sliding cavity 411, the clamping plate 42 is separated from clamping tires on the two sides of the truck, the wagon platform 2 begins to weigh the empty wagon, and after weighing is finished, the wagon drives away from the platform, and weighing and unloading work is finished; according to the wagon weighing and unloading integrated process, the wagon platform 2 can automatically weigh the wagon through the wagon platform 2 and the tire clamping device 4 which are arranged on the unloading platform 1, the tire clamping device 4 can clamp and fix the heavy wagon, the phenomenon that the wagon slides on the unloading platform 1 when the unloading platform 1 is lifted and unloaded is prevented, the safe unloading of the wagon by the unloading platform 1 is further influenced, the integrated process of weighing and unloading can be realized by the unloading platform 1, the time consumed by the original process that the wagon platform 2 is weighed and then the unloader is unloaded is effectively shortened, and the wagon weighing and unloading efficiency is further improved.
As an embodiment of the present invention, the clamping plate 42 is provided with a positioning sliding cavity 421, and the positioning sliding cavity 421 is inserted with the positioning fixture block 6 in a sliding manner; the side end of the positioning fixture block 6 is connected with the upper telescopic end of the electric telescopic rod 7, and the fixed end of the electric telescopic rod 7 is fixed on the clamping plate 42; the fixed end of the electric telescopic rod 7 passes through the outer wall of the fixed plate 41 in a sliding manner; the outer end of the positioning fixture block 6 extends into the space between two adjacent tires in a sliding manner; when the tire clamping device works, when the clamping plate 42 is attached to the outer side surfaces of a plurality of tires in a sliding manner, the clamping plate 42 drives the fixed end of the electric telescopic rod 7 to synchronously slide in the sliding cavity 411, when the side surface of the clamping plate 42 is completely clamped to the outer side surface of the tire, the controller controls the telescopic end of the electric telescopic rod 7 to extend out, so that the telescopic end can drive the positioning clamping block 6 to slide in the positioning sliding cavity 421, the outer end of the positioning clamping block 6 slides out of the positioning sliding cavity 421, along with the continuous extension of the telescopic end of the electric telescopic rod 7, the positioning clamping block 6 can be inserted into a gap between two adjacent tires in a sliding manner, further, when the tire is clamped by the symmetrical clamping plate 42, the positioning clamping block 6 slidably arranged on the clamping plate 42 can be inserted between two adjacent tires, further, the effect of limiting and rotating support can be conveniently realized on the two adjacent tires, and the effective truck is effectively prevented from inclining, the freight train rear wheel leads to the gravity and the thrust that the rear wheel received too big owing to receiving piling up of goods, and then leads to the wheel of freight train to produce the phenomenon of the swift current car of rotating, and then influences the tight stability of load freight train clamp on platform 1 of unloading, influences the phenomenon of the safe high-efficient discharge of platform 1 to the freight train of unloading simultaneously.
As an embodiment of the present invention, arc-shaped engaging grooves 61 are formed on two sides of the positioning fixture block 6, and the arc-shaped engaging grooves 61 can be attached to the outer surfaces of two adjacent tires; the inner wall of the arc-shaped clamping groove 61 is provided with a cavity wear-resistant layer 8, the outer wall of the cavity wear-resistant layer 8 is fixed with a plurality of elastic cavity protruding strips 81, and cavities in the elastic cavity protruding strips 81 are communicated with the cavity wear-resistant layer 8; when the positioning fixture block 6 is inserted between two adjacent tires during working, the arc-shaped clamping grooves formed in the two sides of the positioning fixture block 6 can be extruded and attached to the outer ring surface of the tire, so that the situation that the tire is extruded to the edge angle of the positioning fixture block 6 due to the fact that the two sides of the positioning fixture block 6 are angular and the tire is subjected to the thrust of goods falling in an inclined mode is prevented, the service life of the positioning fixture block 6 is influenced, and meanwhile the tire is easily damaged; on arc draw-in groove extrusion laminating tire outer lane face, the cavity wearing layer 8 that sets up on the arc block groove 61 outer wall and the protruding strip 81 of a plurality of elasticity cavity can increase with the frictional force of tire, further reduce the freight train when the slope is unloaded, the phenomenon that leads to the rear wheel to produce the rotation is piled up because goods gravity to the freight train rear wheel, further improves the safety of freight train and unloads.
As an embodiment of the present invention, a sliding guide cavity 413 is formed in a side wall of the fixed plate 41 located on a side surface of the car baffle 5, and a support clamping rod 9 is slidably attached in the sliding guide cavity 413; one end of the supporting clamping rod 9 is fixed to the side wall of the clamping plate 42, and a horizontal insertion rod 91 at the other end of the supporting clamping rod 9 is inserted into the supporting grooves 51 formed in the front end face and the rear end face of the car baffle plate 5 in a sliding manner; the supporting groove 51 is close to the upper surface of the car baffle 5; when the truck unloading platform 1 is driven to incline, the extrusion thrust of the rear wheel of the truck to the truck baffle 5 is too large, so that the truck baffle 5 is easily broken, and the effect of the truck baffle 5 on safety blocking of the truck baffle 5 is further influenced; when the clamping plate 42 is slid and contracted into the fixed plate 41, the clamping plate 42 drives the horizontal insertion rod 91 for supporting the clamping rod 9 to slide out of the supporting groove 51, so that the clamping plate 42 is convenient to be disengaged from clamping the tires on two sides of the truck.
As an embodiment of the present invention, both sides of the support groove 51 have a corrugated shape; a corrugated rubber layer 92 is fixed on the outer wall of the horizontal insertion rod 91 of the support clamping rod 9, and the corrugations of the corrugated rubber layer 92 are in mutual sliding fit contact with the corrugations of the two side walls of the support groove 51; when the support clamping rod 9 works, when the horizontal insertion rod 91 of the support clamping rod 9 is inserted into the support groove 51, the corrugated rubber layer 92 wrapped on the outer wall of the horizontal insertion rod 91 is correspondingly inserted into the support groove 51, and the corrugations on the outer wall of the corrugated rubber layer 92 are correspondingly attached to the corrugated grooves on two sides of the support groove 51 in a sliding manner, so that the contact friction force between the horizontal insertion rod 91 of the support clamping rod 9 and the support groove 51 is increased, and the support clamping rod 9 is prevented from being separated from the support groove 51; meanwhile, the effect of elastic splicing contact between the corrugated rubber layer 92 wrapped on the outer wall of the horizontal insertion rod 91 and the support groove 51 is achieved, the phenomenon that the contact position of the support clamping rod 9 and the support groove 51 generates an extrusion indentation due to overlarge extrusion force on the car blocking plate 5 is prevented, and the safe use of the support clamping rod 9 is influenced.
As an embodiment of the present invention, a plurality of elastic blocks 10 are fixed on the outer surface of the clamping plate 42, and the outer end surfaces of the elastic blocks 10 are provided as rough surfaces; in operation, when the outer surface of the clamping plate 42 is attached to the outer side surface of the tire, the plurality of elastic blocks 10 arranged on the clamping plate 42 can be extruded and attached to the concave grooves of the outer side surface of the tire, so that the elastic blocks 10 on the outer wall surface of the clamping plate 42 can increase the frictional resistance in contact with the outer side surface of the tire, and the situation that the outer surface of the clamping plate 42 is smooth is effectively prevented, when the clamping plate 42 clamps the outer side surface of the tire, and when a heavy-duty truck inclines, the phenomenon that the outer surfaces of the tire and the clamping plate 42 slide relatively easily occurs, and further the stable clamping effect of the clamping plate 42 on the tires on two sides of the truck is influenced.
The specific working process is as follows:
when the wagon is in work, a driver pours a loaded wagon onto the unloading platform 1, so that tires of the wagon are all in contact with the upper surface of the wagon platform 2, and meanwhile, the tire at the rearmost end of the wagon is attached to the side surface of the wagon blocking plate 5; the driver gets off the truck, then the wagon platform 2 is arranged to weigh the loaded truck, the calculator of the wagon platform 2 calculates the weight of the loaded truck, after weighing is completed, the controller of the truck unloader can control the driving motors of the multiple sets of tire clamping devices 4 to synchronously rotate, the rotation of the driving motors can drive the screw rod sliding sleeves 45 to oppositely move towards the outer walls of the front side and the rear side of the truck unloading platform 1 through the bidirectional screw rods 44, the opposite movement of the screw rod sliding sleeves 45 can drive the clamping plates 42 to oppositely extend out from the symmetrically arranged fixed plates 41 through the guide sliding blocks 43, the opposite movement of the clamping plates 42 on the outer walls of the two sides of the truck unloading platform 1 can respectively move towards the outer surfaces of the tires on the two sides of the truck, along with the continuous rotation of the bidirectional screw rods 44, the clamping plates 42 arranged on the two sides of the truck unloading platform 1 in a sliding way can be clamped and attached to the tires on the two sides of the truck, and further the clamping plates 42 can carry out clamping operation on the tires on the truck, the truck baffle 5 can block the rear wheels of the truck; then, a rear bin door of the truck is opened, and the controller controls the telescopic end of the lifting oil cylinder 3 to extend out, so that the lifting oil cylinder 3 can push one end of the unloading platform 1 to rise, and one end of the unloading platform 1 rises to unload materials in the truck; after unloading, the lifting oil cylinder 3 contracts, one end of the unloading platform 1 rises falls to a horizontal state, then the controller controls the driving motor to rotate reversely, so that the bidirectional screw rod 44 can drive the symmetrical screw rod sliding sleeves 45 to move towards the direction far away from the outer walls of the two sides of the unloading platform 1, the guide sliding block 43 can drive the clamping plate 42 to contract into the sliding cavity 411, the clamping plate 42 is separated from clamping the tires on the two sides of the truck, the wagon platform 2 begins to weigh the empty wagon, after weighing is completed, the truck drives away from the platform, and weighing and unloading work is completed.
In the description of the present invention, it is to be understood that the terms "center", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the present invention.
While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from its scope. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (1)
1. A weighing and unloading method is characterized in that:
s1, the wagon of the wagon is weighed by the wagon platform (2), the calculator of the wagon platform (2) calculates the weight of the wagon of the load, after weighing is completed, the controller of the wagon unloader can control the driving motors of the tire clamping devices (4) to synchronously rotate, the rotation of the driving motors can drive the screw rod sliding sleeves (45) to oppositely move towards the outer walls of the front side and the rear side of the wagon unloading platform (1) through the bidirectional screw rods (44), the opposite movement of the screw rod sliding sleeves (45) can drive the clamping plates (42) to oppositely extend out from the symmetrically arranged fixed plates (41) through the guide sliding blocks (43), the opposite movement of the clamping plates (42) on the outer walls of the two sides of the wagon platform (1) can respectively move towards the outer surfaces of the tires of the two sides of the wagon, along with the continuous rotation of the bidirectional screw rods (44), and then the clamping plates (42) arranged on the two sides of the wagon platform (1) in a sliding mode can be tightly attached to the tires of the two sides of the wagon, the clamping plate (42) can clamp tires on two sides of the truck, and the truck baffle (5) can block the rear wheels of the truck;
s2, when the clamping plates (42) are attached to the outer side surfaces of a plurality of tires in a sliding mode, the clamping plates (42) drive the fixed ends of the electric telescopic rods (7) to slide in the sliding cavities (411) synchronously, when the side surfaces of the clamping plates (42) are completely clamped to the outer side surfaces of the tires, the controller controls the telescopic ends of the electric telescopic rods (7) to extend out, so that the telescopic ends can drive the positioning fixture blocks (6) to slide in the positioning sliding cavities (421), the outer ends of the positioning fixture blocks (6) slide out of the positioning sliding cavities (421), along with continuous extension of the telescopic ends of the electric telescopic rods (7), the positioning fixture blocks (6) can be inserted into gaps between two adjacent tires in a sliding mode, the symmetrical clamping plates (42) clamp the tires, and the positioning fixture blocks (6) arranged on the clamping plates (42) in a sliding mode can be inserted between two adjacent tires, the device is convenient to play a role in limiting, rotating and supporting two adjacent tires, and effectively prevents the phenomenon that when an effective truck inclines, the wheels of the truck rotate and slide due to overlarge gravity and thrust on the rear wheels caused by the accumulation of goods on the rear wheels of the truck, so that the stability of clamping the loaded truck on the unloading platform (1) is influenced, and meanwhile, the phenomenon that the unloading platform (1) safely and efficiently unloads the truck is influenced;
s3, when the positioning fixture block (6) is inserted between two adjacent tires, the arc-shaped clamping grooves formed in the two sides of the positioning fixture block (6) can be extruded and attached to the outer ring surface of the tire, and therefore the situation that the tire is extruded to the edge angle of the positioning fixture block (6) due to the fact that the two sides of the positioning fixture block (6) are in the shape of an angular edge and the tire is subjected to the thrust of goods falling in an inclined mode is prevented, the service life of the positioning fixture block (6) is influenced, and meanwhile the tire is easily damaged; when the arc-shaped clamping groove is extruded and attached to the outer ring surface of the tire, the cavity wear-resistant layer (8) and the elastic cavity protruding strips (81) arranged on the outer wall of the arc-shaped clamping groove (61) can increase the friction force with the tire, so that the phenomenon that the rear wheel of the truck autorotates due to the accumulation of the gravity of goods when the truck unloads in an inclined mode is further reduced, and the safe unloading of the truck is further improved;
s4, when the clamping plate (42) extends out of the fixing plate (41), the clamping plate (42) drives the supporting clamping rod (9) to slide in the sliding guide cavity (413), meanwhile, the sliding direction of the supporting clamping rod (9) is the same as that of the clamping plate (42), and along with the continuous sliding of the symmetrical supporting clamping rods (9), the horizontal inserted rod (91) of the supporting clamping rod (9) can be inserted into the supporting groove (51) formed on the two sides of the car stopping plate (5), and because the supporting groove (51) is close to the upper surface position of the car baffle plate (5), the supporting clamping rod (9) can support the baffle plate (5) in a pulling way, so that the extrusion thrust of the rear wheel of the truck to the baffle plate (5) is effectively prevented from being overlarge when the truck is driven to incline by the unloading platform (1), the phenomenon that the truck baffle (5) is broken is easily caused, and the safety blocking effect of the truck baffle (5) on the load-carrying truck is further influenced; when the clamping plate (42) slides and contracts into the fixing plate (41), the clamping plate (42) can drive the horizontal inserted rod (91) for supporting the clamping rod (9) to slide out of the supporting groove (51), so that the clamping plate (42) is convenient to separate from clamping the tires at two sides of the truck;
s5, when the horizontal inserted bar (91) of the supporting clamping bar (9) is inserted into the supporting groove (51), the corrugated rubber layer (92) wrapped on the outer wall of the horizontal inserted bar (91) is correspondingly inserted into the supporting groove (51), and the corrugations on the outer wall of the corrugated rubber layer (92) are correspondingly attached to the corrugated grooves on the two sides of the supporting groove (51) in a sliding manner, so that the contact friction force between the horizontal inserted bar (91) of the supporting clamping bar (9) and the supporting groove (51) is increased, and the supporting clamping bar (9) is prevented from being separated from the supporting groove (51); meanwhile, the effect of elastic splicing contact between the corrugated rubber layer (92) wrapped on the outer wall of the horizontal insertion rod (91) and the supporting groove (51) can be realized, and the phenomenon that the contact part of the supporting clamping rod (9) and the supporting groove (51) generates extrusion indentation due to overlarge extrusion force on the car blocking plate (5) is prevented, so that the safe use of the supporting clamping rod (9) is influenced;
s6, when the outer surface of the clamping plate (42) is attached to the outer side surface of a tire, the plurality of elastic blocks (10) arranged on the clamping plate (42) can be extruded and attached to the concave grooves of the outer side surface of the tire, so that the elastic blocks (10) on the outer wall surface of the clamping plate (42) can increase the contact friction resistance with the outer side surface of the tire, the phenomenon that the outer surface of the clamping plate (42) slides relative to the outer surface of the clamping plate (42) when the clamping plate (42) is clamped to the outer side surface of the tire and a heavy goods vehicle inclines is effectively prevented, and the stable clamping effect of the clamping plate (42) on the tires on two sides of the vehicle is further influenced;
s7, opening a rear bin door of the truck, and controlling the telescopic end of the lifting oil cylinder (3) to extend out by the controller, so that the lifting oil cylinder (3) can push one end of the unloading platform (1) to lift, and one end of the unloading platform (1) can lift to unload materials in the truck; after unloading is finished, the lifting oil cylinder (3) is contracted, one raised end of the unloading platform (1) falls to a horizontal state, then the controller controls the driving motor to rotate reversely, so that the bidirectional screw rod (44) can drive the symmetrical screw rod sliding sleeves (45) to move in the direction away from the outer walls of the two sides of the unloading platform (1), the guide sliding block (43) can drive the clamping plate (42) to contract into the sliding cavity (411), the clamping plate (42) is separated from clamping tires on the two sides of the truck, the wagon platform (2) begins to weigh the empty wagon, and after weighing is finished, the wagon is driven away from the platform, and weighing and unloading work is finished;
the integrated car unloader applying the method comprises a car unloading platform (1), a wagon balance platform (2), a lifting oil cylinder (3), a tire clamping device (4) and a car stopping plate (5); the unloading platform (1) is installed on the ground of the unloading bin, and one end of the unloading platform (1) is rotatably hinged to the ground through a rotating column; the wagon balance platform (2) is mounted on the upper surface of the unloading platform (1), and a gravity sensor is arranged at the front end of the unloading platform (1); the bottom end of the unloading platform (1) is connected with the telescopic end of the lifting oil cylinder (3), and the lifting oil cylinder (3) is fixed in the unloading bin; a plurality of groups of tire clamping devices (4) are arranged on two sides of the unloading platform (1), and a vehicle baffle plate (5) is arranged at the rear end part of the unloading platform (1); the tire clamping device (4) comprises a fixing plate (41), a clamping plate (42), a guide sliding block (43), a bidirectional screw rod (44) and a screw rod sliding sleeve (45); the fixed plates (41) are respectively and symmetrically arranged on two sides of the unloading platform (1), and sliding cavities (411) are formed in the fixed plates (41); the lower surface of the sliding cavity (411) is provided with a guide sliding chute (412); the sliding cavities (411) are all mounted on the clamping plate (42) in a sliding mode, and a guide sliding block (43) is fixed to the bottom end face of the clamping plate (42); the bidirectional screw rod (44) penetrates through the front side wall and the rear side wall of the unloading platform (1) in a rotating mode, and the bidirectional screw rod (44) is located right below the fixing plates (41) which are symmetrically arranged; one end of the bidirectional screw rod (44) is connected with the conveying end of the driving motor, and the driving motor is fixed on the unloading platform (1); two ends of the bidirectional spiral screw rod (44) are respectively sleeved with a screw rod sliding sleeve (45), the upper surface of the screw rod sliding sleeve (45) is fixedly connected with a guide sliding block (43), and the guide sliding block (43) slides in the guide sliding groove (412);
a positioning sliding cavity (421) is formed in the clamping plate (42), and positioning clamping blocks (6) are inserted in the positioning sliding cavity (421) in a sliding manner; the side end of the positioning clamping block (6) is connected with the upper telescopic end of the electric telescopic rod (7), and the fixed end of the electric telescopic rod (7) is fixed on the clamping plate (42); the fixed end of the electric telescopic rod (7) penetrates through the outer wall of the fixing plate (41) in a sliding manner; the outer end of the positioning fixture block (6) is slidably inserted between two adjacent tires;
arc-shaped clamping grooves (61) are formed in two sides of each positioning clamping block (6), and the arc-shaped clamping grooves (61) can be attached to the outer surfaces of two adjacent tires; the inner wall of the arc-shaped clamping groove (61) is provided with a cavity wear-resistant layer (8), the outer wall of the cavity wear-resistant layer (8) is fixedly provided with a plurality of elastic cavity protruding strips (81), and cavities in the elastic cavity protruding strips (81) are communicated with the cavity wear-resistant layer (8);
a sliding guide cavity (413) is formed in the side wall of the fixing plate (41) located on the side face of the car baffle (5), and a supporting clamping rod (9) is attached to the sliding guide cavity (413) in a sliding mode; one end of the supporting clamping rod (9) is fixed to the side wall of the clamping plate (42), and a horizontal insertion rod (91) at the other end of the supporting clamping rod (9) is inserted into supporting grooves (51) formed in the front end face and the rear end face of the car stopping plate (5) in a sliding mode; the supporting groove (51) is close to the upper surface of the car baffle (5);
both sides of the supporting groove (51) are corrugated; a corrugated rubber layer (92) is fixed on the outer wall of the horizontal insertion rod (91) of the supporting clamping rod (9), and the corrugations of the corrugated rubber layer (92) are in mutual sliding fit contact with the corrugations of the two side walls of the supporting groove (51);
a plurality of elastic blocks (10) are fixed on the outer surface of the clamping plate (42), and the outer end faces of the elastic blocks (10) are arranged in a rough surface mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011211884.7A CN112278913B (en) | 2020-11-03 | 2020-11-03 | Weighing and discharging method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011211884.7A CN112278913B (en) | 2020-11-03 | 2020-11-03 | Weighing and discharging method |
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| CN112278913A CN112278913A (en) | 2021-01-29 |
| CN112278913B true CN112278913B (en) | 2022-03-29 |
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| CN115026946B (en) * | 2022-06-17 | 2024-08-20 | 中建三局集团有限公司 | Quick metering and discharging assembly line for solidified soil of high-water-content clay soil material |
| CN115159177B (en) * | 2022-06-23 | 2024-08-13 | 安徽云龙粮机有限公司 | Side unloading platform for grain unloading truck |
| CN115806202B (en) * | 2023-02-02 | 2023-08-25 | 山东新普锐智能科技有限公司 | Hydraulic unloading device capable of weighing based on self-adaptive learning and overturning control system thereof |
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| EA201600523A1 (en) * | 2015-08-27 | 2017-02-28 | Старовойтов Владимир Семёнович | STATIONARY ROTARY WAGON PROTECTOR |
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| CN108002069A (en) * | 2017-12-08 | 2018-05-08 | 江西省保升装卸设备有限公司 | A kind of car unloader tipple and method of tumbling |
| CN207658754U (en) * | 2017-12-08 | 2018-07-27 | 江西省保升装卸设备有限公司 | A kind of car unloader |
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| CN112278913A (en) | 2021-01-29 |
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