CN111982255A - Automatic compensation device and method for loadbearing of wagon balance - Google Patents
Automatic compensation device and method for loadbearing of wagon balance Download PDFInfo
- Publication number
- CN111982255A CN111982255A CN202010739849.6A CN202010739849A CN111982255A CN 111982255 A CN111982255 A CN 111982255A CN 202010739849 A CN202010739849 A CN 202010739849A CN 111982255 A CN111982255 A CN 111982255A
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- bearing plate
- bearing
- loadbearing
- pipe
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G21/00—Details of weighing apparatus
- G01G21/02—Arrangements of bearings
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G23/00—Auxiliary devices for weighing apparatus
- G01G23/18—Indicating devices, e.g. for remote indication; Recording devices; Scales, e.g. graduated
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- General Physics & Mathematics (AREA)
- Loading Or Unloading Of Vehicles (AREA)
Abstract
The invention belongs to the technical field of weighbridges, and particularly relates to an automatic compensation device and method for weighbridge bearing. This automatic joining in marriage of weighbridge bearing mends device and joining in marriage mends method, through setting up auxiliary stay stop device, when using, after driving the surface grafting of auxiliary positioning frame and bearing plate through the bracing piece, it is spacing to fix a position the bearing plate, get into and roll off the in-process at load vehicle, load vehicle is indirect and the contact of title platform board, thereby inertia brought when having solved vehicle start and braking brake, lead to the weighbridge to rock around shaking and can cause the accelerated wear of weighbridge inner structure and weighing sensor, the problem that the life-span of the weighbridge of messenger slows down.
Description
Technical Field
The invention relates to the technical field of weighbridges, in particular to an automatic compensation device and method for weighbridge bearing.
Background
Weighbridges, also known as truck scales, are typically used to weigh the tons of a truck while a large scale is placed on the ground. The weighing device is a main weighing device for measuring bulk goods of factories, mines, merchants and the like.
The current weighbridge divide into the multiple, and large-scale weighbridge generally is used for weighing the freight train, because the freight train is on going to the weighbridge, and the brake can bring inertia, leads to the weighbridge to rock the life-span that the accelerated wear that can cause weighbridge inner structure and sensor made slows down around shaking.
Secondly, when most of the weighbridges are weighed, once the weight of an overloaded vehicle exceeds the maximum value of the weighbridges during weighing, the weighing sensor can not be actively warned and actively protected, and the weighing sensor is often damaged, so that an automatic weighbridge load-bearing compensation device and a compensation method are needed.
Disclosure of Invention
Based on the prior technical problem, the invention provides a wagon balance load-bearing automatic compensation device and a compensation method.
The invention provides a wagon balance bearing automatic compensation device which comprises a fixed base, wherein the surface of the fixed base is fixedly connected with auxiliary slope bodies, the two auxiliary slope bodies are symmetrically distributed by taking the axis of the fixed base as the center, the surface of the fixed base is fixedly provided with an installation groove, the inner bottom wall of the installation groove is fixedly connected with bearing tables, the six bearing tables are symmetrically distributed by taking the axis of the installation groove as the center, the surface of each bearing table is fixedly provided with a weighing sensor, and the surface of each weighing sensor is fixedly provided with a weighing table plate;
the surface of the weighing platform plate is fixedly provided with sliding grooves, four sliding grooves are uniformly distributed on the surface of the weighing platform plate, the inner wall of each sliding groove is fixedly provided with a through hole, the inner wall of each sliding groove is connected with a bearing beam in a sliding manner, the surface of each bearing beam is fixedly connected with a lifting device, each lifting device comprises a hydraulic cylinder, each hydraulic cylinder is fixedly arranged on the inner bottom wall of each mounting groove, the surface of each fixing base is fixedly connected with a sealing control box, the surface of each sealing control box is respectively and fixedly provided with a programmable PLC (programmable logic controller) and an audible-visual alarm, each weighing sensor and each audible-visual alarm are electrically connected with the programmable PLC through wires, the inner wall of each mounting groove is fixedly provided with fixing grooves, the four fixing grooves are symmetrically distributed by taking the axis of the mounting groove as the center, the inner wall of each fixing, the surface of the supporting tube is fixedly connected with the inner wall of the fixing groove.
Preferably, the eight hydraulic cylinders are uniformly distributed on the inner wall of the mounting groove, slots are formed in the lower surface of the bearing beam, the eight slots correspond to the hydraulic cylinders respectively, each hydraulic cylinder comprises a hydraulic rod, one end of each hydraulic rod penetrates through the through hole to be connected with the inner wall of each slot in an inserting mode, and each hydraulic cylinder is electrically connected with the programmable PLC through an electric wire.
Preferably, one of them the fixed surface of the supplementary slope body is connected with the mounting panel, two the mounting panel uses the axis of the supplementary slope body to be the symmetric distribution as the center, the fixed surface of mounting panel installs infrared correlation switch, infrared correlation switch passes through the electric wire and can compile PLC controller electric connection.
Preferably, the surface of the bearing beam is fixedly connected with a bearing plate, the surface of the bearing plate is in sliding connection with the surface of the weighing platform plate, and the surfaces of the two ends of the bearing plate are provided with step grooves.
Preferably, the inner wall of the supporting tube is slidably connected with a first piston, the surface of the first piston is fixedly connected with a supporting rod, one end of the supporting rod penetrates through and extends to the surface of the supporting tube, the surface of the supporting rod is sleeved with a spring, and two ends of the spring are respectively fixedly connected with the surface of the first piston and the inner wall of the supporting tube.
Preferably, the inner wall of the supporting tube is fixedly communicated with an oil inlet tube, one end of the oil inlet tube is fixedly communicated with a connecting tube, the two connecting tubes are symmetrically distributed by taking the axis of the mounting groove as the center, one end of the connecting tube is fixedly communicated with a three-way tube, one end of the three-way tube is fixedly communicated with an oil supply tube, and one end of the oil supply tube penetrates through and extends to the inner wall of the sealed control box.
Preferably, the inside of sealed control box, the inside of fuel feeding pipe, the inside of three-way pipe, the inside of connecting pipe, the inside of advancing oil pipe and the inside of stay tube all are provided with hydraulic oil, the one end fixedly connected with auxiliary positioning frame of bracing piece, two the auxiliary positioning frame uses the axis of mounting groove to be the symmetric distribution as the center, the inner wall of auxiliary positioning frame respectively with the lower surface of bearing plate and the inner wall looks adaptation in step groove.
Preferably, the inner wall sliding connection of sealed control box has the second piston, the fixed surface of second piston is connected with the briquetting, the surface of briquetting and the inner wall sliding connection of sealed control box, the fixed surface of briquetting sets up threaded hole, the inner wall threaded connection of screw hole has the threaded rod, the one end of threaded rod extends to the surface of briquetting.
Preferably, the inner wall fixed mounting of sealed control box has servo motor, the inner wall fixed mounting of mounting groove has proximity switch, the inner wall fixed mounting of sealed control box has limit switch, servo motor, proximity switch and limit switch all pass through the electric wire and can compile PLC controller electric connection, servo motor's the one end fixed connection that shaft coupling and threaded rod were passed through to the output shaft.
Preferably, the method comprises the following steps:
firstly, setting an early warning control program for a programmable PLC in advance according to the maximum weighing value of the wagon balance, and setting a time interval control program for the programmable PLC in advance according to the weighing time consumption of a vehicle;
step two, when a load-carrying vehicle is weighed, the vehicle enters through an auxiliary slope body on one side, when the vehicle enters through the auxiliary slope body on one side, the vehicle triggers an infrared correlation switch, the infrared correlation switch sends out an electric signal to be transmitted to a programmable PLC controller, the programmable PLC controller controls a hydraulic cylinder to work, a hydraulic rod in the hydraulic cylinder extends out to jack up a bearing beam and a bearing plate, after the bearing plate is lifted up and approaches to an approach switch in a mounting groove, the approach switch sends out an electric signal to be transmitted to the programmable PLC controller, the programmable PLC controller controls a servo motor to work, an output shaft of the servo motor drives a threaded rod to rotate, the threaded rod drives a pressurizing block to move through threads, the pressurizing block slides on the inner wall of a sealing control box to drive a second piston to move, the second piston extrudes and pushes hydraulic oil in the sealing control box to enter a support pipe through an oil supply pipe, a three-way pipe, a connecting pipe and an, the first piston moves to drive the support rod and the auxiliary positioning frame to move to be inserted into the lower surface of the bearing plate and the inner wall of the step groove on the surface of the bearing plate, then the load-carrying vehicle drives into the surface of the bearing plate, after the vehicle is flamed out and is stopped stably, the PLC controller can be programmed to control the servo motor to rotate reversely, the servo motor drives the threaded rod to rotate reversely, the pressurizing block is driven to move reversely to drive the second piston, pressure is released to hydraulic oil in the sealing control pipe and the support pipe, the support rod is contracted into the support pipe under the action of the spring, and the inner wall of the auxiliary positioning frame is driven to be separated from the bearing;
step three, after the inner wall of the auxiliary positioning frame is separated from the inner walls of the bearing plate and the step groove, a PLC controller can be programmed to control a hydraulic cylinder to work, a hydraulic rod is contracted into the hydraulic cylinder to drive the bearing plate and the bearing beam to slowly contact with the surface of the weighing platform plate and the inner wall of the sliding groove, when the bearing plate drives the load-carrying vehicle to slowly contact with the weighing platform plate, a weighing sensor detects and senses that the weighing amount is overlarge, when an early warning value set in advance is reached, the PLC controller can be programmed to send out an electric signal to control the hydraulic cylinder to work, the bearing plate and the load-carrying vehicle are jacked up to be separated from the weighing platform plate through the extension of the hydraulic rod, and meanwhile;
when the bearing plate drives the load-carrying vehicle to slowly contact the weighing platform plate, and the weight sensor detects that the sensed weight value does not reach the early warning value, the hydraulic rod continues to contract into the hydraulic cylinder, and the load-carrying vehicle is weighed through the weighing sensor after the surface of the bearing plate is completely contacted with the surface of the weighing platform plate;
and fourthly, after the load-carrying vehicle is weighed through the weighing sensor, the programmable PLC controller controls the hydraulic cylinder to work, a hydraulic rod in the hydraulic cylinder extends out, one end of the hydraulic rod is inserted into the inner wall of the slot, the bearing beam, the bearing plate and the load-carrying vehicle are jacked up, after the surface of the bearing plate is close to the proximity switch, the proximity switch sends out an electric signal, the programmable PLC controller controls the servo motor to start, hydraulic oil in the sealed control box is extruded and pushed into the supporting pipe, the first piston and the supporting rod are pushed to extend out, the inner wall of the auxiliary positioning frame is driven to be inserted into the surface of the bearing plate and the inner wall of the step groove, and then the load-carrying vehicle is started to run out through the auxiliary slope body.
The beneficial effects of the invention are as follows:
1. through setting up elevating gear, when using, drive spandrel girder, bearing plate and load-carrying vehicle up-and-down motion and the contact of weighing platform board through pneumatic cylinder and hydraulic stem, when weighing to the load-carrying vehicle, when the weight of weighing the weight and reacing the early warning value, the pneumatic cylinder with bearing plate and load-carrying vehicle jack-up, the weighing transducer protects and initiative audible-visual annunciator is reported to the police to the effect that the initiative weighing transducer protected and reported to the police has been reached.
2. Through setting up the auxiliary stay stop device, when using, drive the surface grafting back of auxiliary positioning frame and bearing plate through the bracing piece, it is spacing to fix a position the bearing plate, get into and roll off the in-process at load vehicle, load vehicle is indirect and the contact of weighing platform board to inertia brought when having solved vehicle start and braking brake, lead to the wagon balance to rock the accelerated wear that can cause wagon balance inner structure and weighing sensor around, the problem that the life-span of the wagon balance of messenger slows down.
Drawings
Fig. 1 is a schematic view of an automatic compensation device and a compensation method for loadbearing of a wagon balance according to the present invention;
FIG. 2 is a sectional view of a fixed base structure of an automatic compensation device and a compensation method for loadbearing of a wagon balance according to the present invention;
FIG. 3 is a top view of a mounting groove structure of an automatic compensation device and a compensation method for loadbearing of a wagon balance according to the present invention;
FIG. 4 is a perspective view of a load-bearing beam structure of an automatic compensation device and method for loadbearing of a wagon balance according to the present invention;
FIG. 5 is a top view of a fixed base structure of an automatic compensation device and method for loadbearing of a wagon balance according to the present invention;
fig. 6 is an enlarged view of a structure a in fig. 2 of an automatic compensation device and a compensation method for loadbearing of a wagon balance according to the present invention.
In the figure: 1. a fixed base; 2. an auxiliary slope body; 21. mounting a plate; 22. an infrared correlation switch; 3. mounting grooves; 4. a bearing table; 5. a weighing sensor; 6. weighing a bedplate; 7. a chute; 8. a through hole; 9. a spandrel girder; 91. a slot; 92. a bearing plate; 10. a hydraulic cylinder; 101. a hydraulic lever; 11. sealing the control box; 111. a second piston; 112. pressing a block; 113. a threaded hole; 114. a threaded rod; 115. a servo motor; 116. a proximity switch; 117. a limit switch; 12. a PLC controller can be programmed; 13. an audible and visual alarm; 14. fixing grooves; 15. supporting a tube; 151. a first piston; 152. a support bar; 153. a spring; 154. an oil inlet pipe; 155. a connecting pipe; 156. a three-way pipe; 157. an oil supply pipe; 158. and (5) an auxiliary positioning frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-6, an automatic compensation device for loadbearing of a weighbridge, as shown in fig. 1-3, comprises a fixed base 1, wherein the surface of the fixed base 1 is fixedly connected with auxiliary slope bodies 2, the two auxiliary slope bodies 2 are symmetrically distributed by taking the axis of the fixed base 1 as the center, the surface of the fixed base 1 is fixedly provided with a mounting groove 3, the inner bottom wall of the mounting groove 3 is fixedly connected with bearing tables 4, the six bearing tables 4 are symmetrically distributed by taking the axis of the mounting groove 3 as the center, the surface of each bearing table 4 is fixedly provided with a weighing sensor 5, and the surface of each weighing sensor 5 is fixedly provided with a weighing table plate 6;
as shown in fig. 1-3, sliding grooves 7 are fixedly formed in the surface of a weighing platform plate 6, four sliding grooves 7 are uniformly distributed on the surface of the weighing platform plate 6, through holes 8 are fixedly formed in the inner wall of each sliding groove 7, a bearing beam 9 is slidably connected to the inner wall of each sliding groove 7, a lifting device is fixedly connected to the surface of each bearing beam 9, each lifting device comprises a hydraulic cylinder 10, each hydraulic cylinder 10 is fixedly installed on the inner bottom wall of a mounting groove 3, a sealing control box 11 is fixedly connected to the surface of a fixing base 1, a programmable PLC controller 12 and an audible and visual alarm 13 are respectively and fixedly installed on the surface of each sealing control box 11, each weighing sensor 5 and each audible and visual alarm 13 are electrically connected with the programmable PLC controller 12 through electric wires, fixing grooves 14 are fixedly formed in the inner wall of each mounting groove 3, the four fixing grooves 14 are symmetrically distributed by taking the axis, the auxiliary supporting and limiting device comprises a supporting pipe 15, and the surface of the supporting pipe 15 is fixedly connected with the inner wall of the fixing groove 14;
as shown in fig. 1-4, eight hydraulic cylinders 10 are uniformly distributed on the inner wall of the mounting groove 3, slots 91 are fixedly formed in the lower surface of the bearing beam 9, the eight slots 91 respectively correspond to the hydraulic cylinders 10, each hydraulic cylinder 10 comprises a hydraulic rod 101, one end of each hydraulic rod 101 penetrates through a through hole 8 to be inserted into the inner wall of each slot 91, each hydraulic cylinder 10 is electrically connected with a programmable PLC controller 12 through an electric wire, the surface of one auxiliary slope body 2 is fixedly connected with mounting plates 21, the two mounting plates 21 are symmetrically distributed by taking the axis of the auxiliary slope body 2 as the center, the surface of each mounting plate 21 is fixedly provided with an infrared correlation switch 22, the infrared correlation switches 22 are electrically connected with the programmable PLC 12 through electric wires, the surface of the bearing beam 9 is fixedly connected with a bearing plate 92, the surface of the bearing plate 92 is in sliding connection with the surface of the weighing platform plate 6, and the surfaces of the two ends of the bearing plate 92 are provided with step grooves;
as shown in fig. 1-2 and 5-6, a first piston 151 is slidably connected to an inner wall of the support tube 15, a support rod 152 is fixedly connected to a surface of the first piston 151, one end of the support rod 152 penetrates and extends to the surface of the support rod 152 of the support tube 15, a spring 153 is sleeved on the surface of the support rod 152, two ends of the spring 153 are respectively fixedly connected to the surface of the first piston 151 and the inner wall of the support tube 15, an oil inlet tube 154 is fixedly communicated with the inner wall of the support tube 15, a connecting tube 155 is fixedly communicated with one end of the oil inlet tube 154, the two connecting tubes 155 are symmetrically distributed around an axis of the mounting groove 3, one end of the connecting tube 155 is fixedly communicated with a three-way tube 156, one end of the three-way tube 156 is fixedly communicated with an oil supply tube 157;
as shown in fig. 1-2 and 5-6, hydraulic oil is disposed in the sealing control box 11, the oil supply pipe 157, the three-way pipe 156, the connecting pipe 155, the oil inlet pipe 154 and the support pipe 15, an auxiliary positioning frame 158 is fixedly connected to one end of the support rod 152, the two auxiliary positioning frames 158 are symmetrically distributed around the axis of the mounting groove 3, inner walls of the auxiliary positioning frames 158 are respectively matched with the lower surface of the bearing plate 92 and the inner wall of the stepped groove, the inner wall of the sealing control box 11 is slidably connected with the second piston 111, the surface of the second piston 111 is fixedly connected with the pressurizing block 112, the surface of the pressurizing block 112 is slidably connected with the inner wall of the sealing control box 11, the surface of the pressurizing block 112 is fixedly provided with a threaded hole 113, the inner wall of the threaded hole 113 is threadedly connected with a threaded rod 114, one end of the threaded rod 114 extends to the surface of the pressurizing block, a servo motor 115 is fixedly installed on the inner wall of the sealing control box 11, a proximity switch 116 is fixedly installed on the inner wall of the installation groove 3, a limit switch 117 is fixedly installed on the inner wall of the sealing control box 11, the servo motor 115, the proximity switch 116 and the limit switch 117 are electrically connected with the programmable PLC 12 through electric wires, and an output shaft of the servo motor 115 is fixedly connected with one end of the threaded rod 114 through a coupler;
the automatic compensation device for the loadage of the loadage platform and the application method of the compensation method are that, the first step is to set an early warning control program for the programmable PLC 12 in advance according to the maximum weighing value of the loadage platform and set a time interval control program for the programmable PLC 12 in advance according to the time consumed by weighing the vehicle;
step two, when a load-carrying vehicle is weighed, the vehicle enters through the auxiliary slope body 2 on one side, when the vehicle enters through the auxiliary slope body 2 on one side, the vehicle triggers the infrared correlation switch 22, an electric signal sent by the infrared correlation switch 22 is transmitted to the programmable PLC controller 12, the programmable PLC controller 12 controls the hydraulic cylinder 10 to work, a hydraulic rod 101 in the hydraulic cylinder 10 extends out to jack the bearing beam 9 and the bearing plate 92, after the bearing plate 92 rises and approaches an approach switch 116 in the installation groove 3, the approach switch 116 sends an electric signal to be transmitted to the programmable PLC controller 12, the programmable PLC controller 12 controls a servo motor 115 to work, an output shaft of the servo motor 115 drives a threaded rod 114 to rotate, the threaded rod 114 drives a pressurizing block 112 to move, the pressurizing block 112 slides on the inner wall of the sealing control box 11 to drive a second piston 111 to move, and the second piston 111 extrudes and pushes hydraulic oil in the sealing control box 11 through an oil supply pipe 157, The three-way pipe 156, the connecting pipe 155 and the oil inlet pipe 154 enter the supporting pipe 15, the first piston 151 in the supporting pipe 15 is pushed and pushed to move by extrusion, the first piston 151 drives the supporting rod 152 and the auxiliary positioning frame 158 to move to be inserted into the lower surface of the bearing plate 92 and the inner wall of the step groove on the surface of the bearing plate 92, then the load-carrying vehicle drives into the surface of the bearing plate 92, after the vehicle is flamed out and is stopped stably, the PLC controller 12 is controlled to control the servo motor 115 to rotate reversely, the servo motor 115 drives the threaded rod 114 to rotate reversely, the pressurizing block 112 is driven to move reversely to drive the second piston 111, pressure of hydraulic oil in the sealing control pipe and the supporting pipe 15 is released, under the action force of the spring 153, the supporting rod 152 retracts into the supporting pipe 15, and the inner wall of the auxiliary;
step three, after the inner wall of the auxiliary positioning frame 158 is separated from the bearing plate 92 and the inner wall of the stepped groove, the PLC 12 can be programmed to control the hydraulic cylinder 10 to work, the hydraulic rod 101 is contracted into the hydraulic cylinder 10 to drive the bearing plate 92 and the bearing beam 9 to slowly contact with the surface of the weighing platform plate 6 and the inner wall of the sliding groove 7, when the bearing plate 92 drives the load-carrying vehicle to slowly contact with the weighing platform plate 6, the weighing sensor 5 detects and senses that the weighing amount is too large, when a preset early warning value is reached, the PLC 12 can be programmed to send out an electric signal to control the hydraulic cylinder 10 to work, the bearing plate 92 and the load-carrying vehicle are jacked up to be separated from the weighing platform plate 6 through the extension of the hydraulic rod 101, and meanwhile, the audible and visual alarm 13;
when the bearing plate 92 drives the load-carrying vehicle to slowly contact the weighing platform plate 6 and the weight value detected by the weighing sensor 5 does not reach the early warning value, the hydraulic rod 101 continues to retract into the hydraulic cylinder 10, and the load-carrying vehicle is weighed by the weighing sensor 5 after the surface of the bearing plate 92 is completely contacted with the surface of the weighing platform plate 6;
fourthly, after the load-carrying vehicle is weighed by the weighing sensor 5, the programmable PLC 12 controls the hydraulic cylinder 10 to work, the hydraulic rod 101 in the hydraulic cylinder 10 extends out, after one end of the hydraulic rod 101 is inserted into the inner wall of the slot 91, the bearing beam 9, the bearing plate 92 and the load-carrying vehicle are jacked up, after the surface of the bearing plate 92 approaches the proximity switch 116, the proximity switch 116 sends out an electric signal, the programmable PLC 12 controls the servo motor 115 to start, hydraulic oil in the sealed control box 11 is extruded and pushed into the supporting tube 15, the first piston 151 and the supporting rod 152 are pushed to extend out, the inner wall of the auxiliary positioning frame 158 is driven to be inserted into the surface of the bearing plate 92 and the inner wall of the step groove, and then the load-carrying vehicle is started to run out through the auxiliary slope body 2 on the other side;
by arranging the lifting device, when the lifting device is used, the bearing beam 9, the bearing plate 92 and the load-carrying vehicle are driven by the hydraulic cylinder 10 and the hydraulic rod 101 to move up and down to be contacted with the weighing platform plate 6, when the load-carrying vehicle is weighed, when the weighed weight reaches an early warning value, the hydraulic cylinder 10 jacks up the bearing plate 92 and the load-carrying vehicle, the symmetrical weighing sensor 5 carries out protection and the active audible and visual alarm 13 gives an alarm, and therefore the effect of protecting and giving an alarm by the active symmetrical weighing sensor 5 is achieved;
through setting up the auxiliary stay stop device, when using, drive the surface grafting back of auxiliary positioning frame 158 and bearing plate 92 through bracing piece 152, it is spacing to fix a position bearing plate 92, get into and roll off the in-process at load vehicle, load vehicle is direct and the contact of weighing platen 6, thereby inertia brought when having solved vehicle start and braking brake, lead to the wagon balance to rock the accelerated wear that can cause wagon balance inner structure and weighing sensor 5 around, the problem that the life-span of the wagon balance that makes slows down.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a device is mended to automatic joining in marriage of weighbridge bearing, includes fixed baseplate (1), its characterized in that: the surface of the fixed base (1) is fixedly connected with auxiliary slope bodies (2), the two auxiliary slope bodies (2) are symmetrically distributed by taking the axis of the fixed base (1) as the center, the surface of the fixed base (1) is fixedly provided with a mounting groove (3), the inner bottom wall of the mounting groove (3) is fixedly connected with a bearing table (4), the six bearing tables (4) are symmetrically distributed by taking the axis of the mounting groove (3) as the center, the surface of the bearing table (4) is fixedly provided with a weighing sensor (5), and the surface of the weighing sensor (5) is fixedly provided with a weighing table plate (6);
the surface of the weighing platform plate (6) is fixedly provided with sliding grooves (7), the four sliding grooves (7) are uniformly distributed on the surface of the weighing platform plate (6), the inner wall of each sliding groove (7) is fixedly provided with a through hole (8), the inner wall of each sliding groove (7) is connected with a bearing beam (9) in a sliding manner, the surface of each bearing beam (9) is fixedly connected with a lifting device, each lifting device comprises a hydraulic cylinder (10), each hydraulic cylinder (10) is fixedly arranged on the inner bottom wall of each mounting groove (3), the surface of each fixing base (1) is fixedly connected with a sealing control box (11), the surface of each sealing control box (11) is respectively and fixedly provided with a programmable PLC (12) and an acousto-optic alarm (13), each weighing sensor (5) and each acousto-optic alarm (13) are electrically connected with the programmable PLC (12) through electric wires, the inner wall of each mounting groove (3) is fixedly provided with a fixing groove, four the axis that fixed slot (14) used mounting groove (3) is the symmetric distribution as the center, the inner wall fixedly connected with auxiliary stay stop device of fixed slot (14), auxiliary stay stop device includes stay tube (15), the surface of stay tube (15) and the inner wall fixed connection of fixed slot (14).
2. The automatic compensating device for loadbearing of a loadbearing wagon of claim 1, wherein: eight pneumatic cylinder (10) are at the inner wall evenly distributed of mounting groove (3), slot (91) have been seted up to the lower fixed surface of spandrel girder (9), eight slot (91) are corresponding with pneumatic cylinder (10) respectively, pneumatic cylinder (10) are including hydraulic stem (101), the one end of hydraulic stem (101) is passed through-hole (8) and is pegged graft with the inner wall of slot (91), pneumatic cylinder (10) are through electric wire and can compile PLC controller (12) electric connection.
3. The automatic compensating device for loadbearing of a loadbearing wagon of claim 2, wherein: one of them the fixed surface of the supplementary slope body (2) is connected with mounting panel (21), two mounting panel (21) is the symmetric distribution for the center with the axis of the supplementary slope body (2), the fixed surface of mounting panel (21) installs infrared correlation switch (22), infrared correlation switch (22) pass through the electric wire and can compile PLC controller (12) electric connection.
4. A wagon balance load-bearing automatic make-up device as claimed in claim 3, wherein: the surface of the bearing beam (9) is fixedly connected with a bearing plate (92), the surface of the bearing plate (92) is in sliding connection with the surface of the weighing bedplate (6), and the surfaces of two ends of the bearing plate (92) are provided with step grooves.
5. The automatic compensating device for loadbearing of a loadbearing wagon of claim 4, wherein: the inner wall sliding connection of stay tube (15) has first piston (151), the fixed surface of first piston (151) is connected with bracing piece (152), the one end of bracing piece (152) is run through and is extended to the surface of stay tube (15) spring (153) have been cup jointed to the surface of bracing piece (152), the both ends of spring (153) respectively with the surface of first piston (151) and the inner wall fixed connection of stay tube (15).
6. The automatic compensating device for loadbearing of a loadbearing wagon of claim 5, wherein: the inner wall of stay tube (15) is fixed the intercommunication have into oil pipe (154), the fixed intercommunication of one end of advancing oil pipe (154) has connecting pipe (155), two connecting pipe (155) use the axis of mounting groove (3) to be the symmetric distribution as the center, the fixed intercommunication of one end of connecting pipe (155) has three-way pipe (156), the fixed intercommunication of one end of three-way pipe (156) has oil supply pipe (157), the one end of oil supply pipe (157) is run through and is extended to the inner wall of sealed control box (11).
7. A loadbearing automatic replenishment device according to claim 6, wherein: the inside of sealed control box (11), the inside of fuel feeding pipe (157), the inside of three-way pipe (156), the inside of connecting pipe (155), the inside of advancing oil pipe (154) and the inside of stay tube (15) all are provided with hydraulic oil, the one end fixedly connected with auxiliary positioning frame (158) of bracing piece (152), two the axis that auxiliary positioning frame (158) used mounting groove (3) is the symmetric distribution as the center, the inner wall of auxiliary positioning frame (158) respectively with the lower surface of bearing plate (92) and the inner wall looks adaptation in step groove.
8. The automatic compensating device for loadbearing of a loadbearing wagon of claim 7, wherein: the inner wall sliding connection of sealed control box (11) has second piston (111), the fixed surface of second piston (111) is connected with adds briquetting (112), the surface of adding briquetting (112) and the inner wall sliding connection of sealed control box (11), the fixed surface of adding briquetting (112) sets up threaded hole (113), the inner wall threaded connection of screw hole (113) has threaded rod (114), the one end of threaded rod (114) extends to the surface of adding briquetting (112).
9. The automatic compensating device for loadbearing of a loadbearing wagon of claim 8, wherein: the inner wall fixed mounting of sealed control box (11) has servo motor (115), the inner wall fixed mounting of mounting groove (3) has proximity switch (116), the inner wall fixed mounting of sealed control box (11) has limit switch (117), servo motor (115), proximity switch (116) and limit switch (117) all pass through the electric wire and can compile PLC controller (12) electric connection, the one end fixed connection of shaft coupling and threaded rod (114) is passed through to the output shaft of servo motor (115).
10. A method of automatically compensating a loadbearing apparatus as recited in any one of claims 1 to 9, including the steps of:
firstly, setting an early warning control program for the programmable PLC (12) in advance according to the maximum weighing value of the wagon balance, and setting a time interval control program for the programmable PLC (12) in advance according to the vehicle weighing time consumption;
secondly, when a load-carrying vehicle is weighed, the vehicle enters through the auxiliary slope body (2) on one side, when the vehicle enters through the auxiliary slope body (2) on one side, the vehicle triggers the infrared correlation switch (22), an electric signal sent by the infrared correlation switch (22) is transmitted to the programmable PLC controller (12), the programmable PLC controller (12) controls the hydraulic cylinder (10) to work, a hydraulic rod (101) in the hydraulic cylinder (10) extends out to jack the bearing beam (9) and the bearing plate (92), after the bearing plate (92) rises and is close to the proximity switch (116) in the mounting groove (3), the proximity switch (116) sends an electric signal to the programmable PLC controller (12), the programmable PLC controller (12) controls the servo motor (115) to work, an output shaft of the servo motor (115) drives the threaded rod (114) to rotate, the threaded rod (114) drives the pressurizing block (112) to move, and the pressurizing block (112) slides on the inner wall of the sealing control box (11) to drive the second piston (111) to move, the second piston (111) extrudes and pushes hydraulic oil in the sealing control box (11) to enter the supporting pipe (15) through the oil supply pipe (157), the three-way pipe (156), the connecting pipe (155) and the oil inlet pipe (154), the first piston (151) in the supporting pipe (15) is extruded and pushed to move, the first piston (151) moves to drive the supporting rod (152) and the auxiliary positioning frame (158) to move to be inserted with the lower surface of the bearing plate (92) and the inner wall of the step groove on the surface of the bearing plate (92), then the load-carrying vehicle drives into the surface of the bearing plate (92), after the vehicle stops stably, the PLC controller (12) can be programmed to control the servo motor (115) to rotate reversely, the servo motor (115) drives the threaded rod (114) to rotate reversely to drive the pressurizing block (112) to move reversely to drive the second piston (111), pressure of the hydraulic oil in the sealing control pipe and the supporting pipe (15) is released, and under the action force of the, the supporting rod (152) is contracted into the supporting tube (15) to drive the inner wall of the auxiliary positioning frame (158) to be separated from the bearing plate (92) and the step groove;
step three, after the inner wall of the auxiliary positioning frame (158) is separated from the bearing plate (92) and the inner wall of the stepped groove, a PLC (programmable logic controller) 12 can be programmed to control a hydraulic cylinder (10) to work, a hydraulic rod (101) contracts into the hydraulic cylinder (10) to drive the bearing plate (92) and a bearing beam (9) to slowly contact with the surface of the weighing platform plate (6) and the inner wall of the sliding groove (7), when the bearing plate (92) drives the load-carrying vehicle to slowly contact with the weighing platform plate (6), a weighing sensor (5) detects that the weighing amount is too large, when an early warning value set in advance is reached, the PLC (12) can be programmed to send an electric signal to control the hydraulic cylinder (10) to work, the bearing plate (92) and the load-carrying vehicle are jacked up to be separated from the weighing platform plate (6) through extension of the hydraulic rod (101), and an audible and visual alarm (13) is controlled to;
when the bearing plate (92) drives the load-carrying vehicle to slowly contact the weighing platform plate (6), and the weight sensor (5) detects that the sensed weight value does not reach an early warning value, the hydraulic rod (101) continues to retract into the hydraulic cylinder (10), and after the surface of the bearing plate (92) is completely contacted with the surface of the weighing platform plate (6), the load-carrying vehicle is weighed by the weight sensor (5);
fourthly, after the load-carrying vehicle is weighed by the weighing sensor (5), the PLC (12) can be compiled to control the hydraulic cylinder (10) to work, the hydraulic rod (101) in the hydraulic cylinder (10) extends out, after one end of the hydraulic rod (101) is spliced with the inner wall of the slot (91), the load-carrying beam (9), the load-carrying plate (92) and the load-carrying vehicle are jacked up, after the surface of the bearing plate (92) approaches the proximity switch (116), the proximity switch (116) sends out an electric signal, the programmable PLC (12) controls the servo motor (115) to start, hydraulic oil in the sealed control box (11) is squeezed and pushed into the supporting tube (15) to push the first piston (151) and the supporting rod (152) to extend out, the inner wall of the auxiliary positioning frame (158) is driven to be inserted into the surface of the bearing plate (92) and the inner wall of the step groove, and then the load-carrying vehicle is started to run out through the auxiliary slope body (2) on the other side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010739849.6A CN111982255A (en) | 2020-07-28 | 2020-07-28 | Automatic compensation device and method for loadbearing of wagon balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010739849.6A CN111982255A (en) | 2020-07-28 | 2020-07-28 | Automatic compensation device and method for loadbearing of wagon balance |
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| Publication Number | Publication Date |
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| CN111982255A true CN111982255A (en) | 2020-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010739849.6A Withdrawn CN111982255A (en) | 2020-07-28 | 2020-07-28 | Automatic compensation device and method for loadbearing of wagon balance |
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| CN (1) | CN111982255A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115790798A (en) * | 2023-02-06 | 2023-03-14 | 新乡市朗科精工衡器有限公司 | Electronic truck scale |
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2020
- 2020-07-28 CN CN202010739849.6A patent/CN111982255A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115790798A (en) * | 2023-02-06 | 2023-03-14 | 新乡市朗科精工衡器有限公司 | Electronic truck scale |
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Application publication date: 20201124 |