CN214407724U - Vehicle-mounted weighing device for large-scale hydraulic control logistics vehicle - Google Patents
Vehicle-mounted weighing device for large-scale hydraulic control logistics vehicle Download PDFInfo
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- CN214407724U CN214407724U CN202120315487.8U CN202120315487U CN214407724U CN 214407724 U CN214407724 U CN 214407724U CN 202120315487 U CN202120315487 U CN 202120315487U CN 214407724 U CN214407724 U CN 214407724U
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Abstract
The large-scale hydraulic control logistics vehicle on-vehicle weighing device comprises a bolt base, a safety hand wheel, a carriage connecting disc, a lifting limiting plate, a strip-shaped sensor, a sensor connecting base, an assembly adjusting pad, a weighing contact, a lifting oil cylinder, an oil cylinder connecting disc, a lifting centering conical shaft, a lifting centering conical hole and an oil cylinder hydraulic control module, wherein the carriage and a weighing object descend during weighing to enable the weighing contact to descend to a weighing position, the strip-shaped sensor is in an unrestricted free state, the weighing object is enabled to be free and not limited to be weighed, and the logistics vehicle on-vehicle weighing precision is improved; when the vehicle is not weighed or in a vehicle transportation state, the carriage, a weighing object and the vehicle axle are connected into a whole with higher rigidity through the oil cylinder hydraulic control by the centering action and the zero clearance fit in the lifting process of the taper shaft and the taper hole, so that the pressure maintenance of the oil cylinder hydraulic control and the double-layer safety of the tightening of the safety hand wheel and the bolt fastening are realized, and the vehicle transportation safety is ensured.
Description
Technical Field
The utility model relates to a commodity circulation vehicle-mounted weighing device, especially large-scale liquid accuse commodity circulation vehicle's vehicle-mounted weighing device.
Background
Adopt sensor device to carry out the vehicle-mounted when weighing in market, all adopt screw thread fixed connection (one end is connected with support and axle, the other end is connected with the carriage and the object of weighing) according to sensor structure both ends usually, weigh the heavy object after connecting, the carriage, a sensor, the support, the axle becomes an organic whole, the restriction to sensor device both ends has been increased, produce centrifugal bending moment direct influence under the gravity action through centrobaric at the non-simple, make commodity circulation vehicle-mounted weighing sensor device "the title is inaccurate in market, it surpasss weighing error to weigh numerical value, bad user's reflection such as the error is great.
Disclosure of Invention
The on-vehicle weighing sensor device of the large-scale logistics vehicle is not accurately weighed, and firstly, the weighing values at different positions of a carriage are different; secondly, the weighing value exceeds the weighing error. Theoretically, only if the limiting resultant force generated by fixedly connecting the heavy object and the two ends of the sensor by adopting threads vertically passes through the center of gravity of the downward heavy object and the bending moment generated by the resultant force is zero, the weighing can be accurately carried out in the unique state. Therefore, the utility model provides a large-scale commodity circulation vehicle-mounted weighing device system divides two kinds of operating condition according to the principle of weighing: firstly, the transportation state of the upper vehicle is lifted, and in the state, the carriage, the heavy object, the sensor device, the support and the axle are connected into a whole with higher rigidity, so that the safe transportation of the vehicle is ensured; and secondly, the weighing state of the lower lifting weight stops the vehicle, the carriage and the weight fall down, the carriage and the weight are in contact with the upper end of the sensor device in an unrestricted state through the weighing contact and are weighed in a free state, the lower end of the sensor device is fixedly connected with the axle thread through the sensor connecting base, namely the scale pan base is fixed, the weighing object is not limited, the problem of 'inaccurate weighing' market feedback is solved, and the vehicle-mounted weighing precision of the logistics vehicle is improved.
The utility model discloses an aim at realize like this: large-scale liquid accuse commodity circulation vehicle-mounted weighing device, characterized by: the device system comprises a bolt base (1), a safety hand wheel (2), a carriage connecting disc (3), a lifting limiting plate (4), a strip-shaped sensor (5), a sensor connecting base (6), an assembly adjusting pad (7), a weighing contact (8), a lifting oil cylinder (9), an oil cylinder connecting disc (10), a lifting centering conical shaft (11), a lifting centering conical hole (12) and an oil cylinder hydraulic control module (13), wherein the bolt base (1) is placed on an axle and fixedly connected by welding, the upper end of the safety hand wheel (2) is provided with the conical shaft, the lower end of the carriage connecting disc (3) is provided with the conical hole, the conical shaft of the safety hand wheel (2) and the conical hole of the carriage connecting disc (3) have the taper of 1:3, the lifting limiting plate (4) is in threaded connection with the bolt base (1), the sensor connecting base (6) is placed on the axle and fixedly connected by welding, the assembly adjusting pad (7) is arranged between the sensor connecting base (6) and the strip-shaped sensor (5), the bar-shaped sensor (5), the assembly adjusting pad (7) and the sensor connecting base (6) are fastened through hexagon socket head cap screws, the base of the weighing contact (8) is fixedly connected with the bottom of a carriage in a welding mode, the lifting oil cylinder (9) is fixedly connected with the outer side of an axle in a welding mode, the oil cylinder connecting disc (10) is fixedly connected with the lifting centering conical shaft (11) through bolts, the conical degree of the lifting centering conical shaft (11) and the conical hole of the lifting centering conical hole (12) is 1:3, and the oil cylinder hydraulic control module (13) is connected with the lifting oil cylinder (9) and controls the lifting of an oil cylinder piston rod.
Hydro-cylinder liquid accuse module (13), characterized by: the oil cylinder hydraulic control module (13) comprises an oil tank (13-1), an oil pump (13-2), an overflow valve (13-3) and a three-position four-way electromagnetic directional valve (13-4), wherein the oil pump (13-2) provides system pressure oil, and the overflow valve (13-3) controls the pressure of the system pressure oil; when the vehicle transportation state (lifting upper position) is switched, an electromagnetic coil DT1 of the three-position four-way electromagnetic directional valve (13-4) is electrified, the right position of the three-position four-way electromagnetic directional valve (13-4) is in a working state, pressure oil enters the lower cavity of the lifting oil cylinder (9) through the right position of the three-position four-way electromagnetic directional valve (13-4), a piston rod of the lifting oil cylinder (9) is pushed to move upwards, the lifting stops when the carriage connecting disc (3) touches the lifting limiting plate (4), the lifting motion is prevented, meanwhile, the resistance is increased, the system pressure rises along with the lifting motion, the system pressure value is kept when the set value is reached, and in the process, the pressure oil in the upper cavity of the lifting oil cylinder (9) returns to the oil tank (13-1) through the right position of the three-position four-way electromagnetic directional valve (13-4); when the weight weighing state (lifting lower position) is switched, the electromagnetic coil DT2 of the three-position four-way electromagnetic directional valve (13-4) is electrified, the left position of the three-position four-way electromagnetic directional valve (13-4) is in a working state, pressure oil provided by the oil pump (13-2) enters the upper cavity of the lifting oil cylinder (9) through the left position of the three-position four-way electromagnetic directional valve (13-4) to push the piston rod of the lifting oil cylinder (9) to move downwards, and the pressure oil in the lower cavity of the lifting oil cylinder (9) flows back to the oil tank (13-1) through the left position of the three-position four-way electromagnetic directional valve (13-4).
Has the advantages that: when weighing, the carriage and the weighing object descend to enable the weighing contact to descend to a weighing position, the strip-shaped sensor is in an unlimited free state, the weighing object is enabled to be free and not limited to be weighed, and the vehicle-mounted weighing precision of the logistics vehicle is improved; when the vehicle is not weighed or in a vehicle transportation state, the carriage, a weighing object and the vehicle axle are connected into a whole with higher rigidity through the oil cylinder hydraulic control by the centering action and the zero clearance fit in the lifting process of the taper shaft and the taper hole, so that the pressure maintenance of the oil cylinder hydraulic control and the double-layer safety of the tightening of the safety hand wheel and the bolt fastening are realized, and the vehicle transportation safety is ensured.
Drawings
FIG. 1 is a system structure diagram (in a weighing state) of the present invention;
FIG. 2 is a system structure diagram (in a transport state) of the present invention;
FIG. 3 is a structural diagram of a hydraulic control module of the oil cylinder;
in the figure: 01. a bolt base; 02. a safety hand wheel; 03. a carriage connecting plate; 04. a lifting limit plate; 05. a strip sensor; 06. the sensor is connected with the base; 07. assembling an adjusting pad; 08. a weighing contact; 09. a lift cylinder; 10. an oil cylinder connecting plate; 11. lifting and centering the conical shaft; 12. lifting and centering the taper hole; 13. an oil cylinder hydraulic control module; 13-1, an oil tank; 13-2, an oil pump; 13-3, an overflow valve; 13-4, a three-position four-way electromagnetic directional valve.
Detailed Description
Example 1: large-scale liquid accuse commodity circulation vehicle-mounted weighing device, characterized by: the device system comprises a bolt base (1), a safety hand wheel (2), a carriage connecting disc (3), a lifting limiting plate (4), a strip-shaped sensor (5), a sensor connecting base (6), an assembly adjusting pad (7), a weighing contact (8), a lifting oil cylinder (9), an oil cylinder connecting disc (10), a lifting centering conical shaft (11), a lifting centering conical hole (12) and an oil cylinder hydraulic control module (13), wherein the bolt base (1) is placed on an axle and fixedly connected by welding, the upper end of the safety hand wheel (2) is provided with the conical shaft, the lower end of the carriage connecting disc (3) is provided with the conical hole, the conical shaft of the safety hand wheel (2) and the conical hole of the carriage connecting disc (3) have the taper of 1:3, the lifting limiting plate (4) is in threaded connection with the bolt base (1), the sensor connecting base (6) is placed on the axle and fixedly connected by welding, the assembly adjusting pad (7) is arranged between the sensor connecting base (6) and the strip-shaped sensor (5), the bar-shaped sensor (5), the assembly adjusting pad (7) and the sensor connecting base (6) are fastened through hexagon socket head cap screws, the base of the weighing contact (8) is fixedly connected with the bottom of a carriage in a welding mode, the lifting oil cylinder (9) is fixedly connected with the outer side of an axle in a welding mode, the oil cylinder connecting disc (10) is fixedly connected with the lifting centering conical shaft (11) through bolts, the conical degree of the lifting centering conical shaft (11) and the conical hole of the lifting centering conical hole (12) is 1:3, and the oil cylinder hydraulic control module (13) is connected with the lifting oil cylinder (9) and controls the lifting of an oil cylinder piston rod.
Hydro-cylinder liquid accuse module (13), characterized by: the oil cylinder hydraulic control module (13) comprises an oil tank (13-1), an oil pump (13-2), an overflow valve (13-3) and a three-position four-way electromagnetic directional valve (13-4), wherein the oil pump (13-2) provides system pressure oil, and the overflow valve (13-3) controls the pressure of the system pressure oil; when the vehicle transportation state (lifting upper position) is switched, an electromagnetic coil DT1 of the three-position four-way electromagnetic directional valve (13-4) is electrified, the right position of the three-position four-way electromagnetic directional valve (13-4) is in a working state, pressure oil enters the lower cavity of the lifting oil cylinder (9) through the right position of the three-position four-way electromagnetic directional valve (13-4), a piston rod of the lifting oil cylinder (9) is pushed to move upwards, the lifting stops when the carriage connecting disc (3) touches the lifting limiting plate (4), the lifting motion is prevented, meanwhile, the resistance is increased, the system pressure rises along with the lifting motion, the system pressure value is kept when the set value is reached, and in the process, the pressure oil in the upper cavity of the lifting oil cylinder (9) returns to the oil tank (13-1) through the right position of the three-position four-way electromagnetic directional valve (13-4); when the weight weighing state (lifting lower position) is switched, the electromagnetic coil DT2 of the three-position four-way electromagnetic directional valve (13-4) is electrified, the left position of the three-position four-way electromagnetic directional valve (13-4) is in a working state, pressure oil provided by the oil pump (13-2) enters the upper cavity of the lifting oil cylinder (9) through the left position of the three-position four-way electromagnetic directional valve (13-4) to push the piston rod of the lifting oil cylinder (9) to move downwards, and the pressure oil in the lower cavity of the lifting oil cylinder (9) flows back to the oil tank (13-1) through the left position of the three-position four-way electromagnetic directional valve (13-4).
The working process is as follows: vehicle transport state conversion to weighing state (fig. 1): the safety hand wheel (2) is loosened to the lower end position by clockwise rotation from top to bottom, the oil pump (13-2) is started to provide system pressure oil, the overflow valve (13-3) controls the pressure of the system pressure oil, the electromagnetic coil DT2 of the three-position four-way electromagnetic directional valve (13-4) is electrified, the left position of the three-position four-way electromagnetic directional valve (13-4) is in a working state, the pressure oil provided by the oil pump (13-2) enters the upper cavity of the lifting oil cylinder (9) through the left position of the three-position four-way electromagnetic directional valve (13-4), the piston rod of the lifting oil cylinder (9) is pushed to move downwards, the weight and the carriage connecting disc (3) move downwards under the action of gravity, when the weight, the carriage connecting disc and the weighing contact (8) meet the bar-shaped sensor (5), the weighing position is reached, the weighing object is weighed in a free state, and meanwhile, the pressure oil in the lower cavity of the lifting oil cylinder (9) flows through the left position of the three-position four-position electromagnetic directional valve (13-way electromagnetic directional valve (4) An oil return tank (13-1).
Vehicle weighing state conversion to transport state (fig. 2): an oil pump (13-2) is started to provide system pressure oil, an overflow valve (13-3) controls the pressure of the system pressure oil, an electromagnetic coil DT1 of a three-position four-way electromagnetic directional valve (13-4) is electrified, the right position of the three-position four-way electromagnetic directional valve (13-4) is in a working state, the pressure oil enters the lower cavity of a lifting oil cylinder (9) through the right position of the three-position four-way electromagnetic directional valve (13-4) to push a piston rod of the lifting oil cylinder (9) to move upwards, the piston rod moves upwards through a lifting centering conical shaft (11) at the upper end, when encountering a lifting centering conical hole (12), the lifting centering conical hole (12) is pushed to ascend, when encountering a lifting limiting plate (4), the ascending stops ascending, the ascending movement is prevented from increasing resistance, the system pressure is kept at the set value along with the ascending, and the pressure value of the upper cavity and the lower cavity of the oil cylinder is kept through the middle position seal of the three-position four-way electromagnetic directional valve (13-4), meanwhile, the thread screwing mode of the safety hand wheel (2) is rotated, the protection effect of safe transportation is achieved again, and at the moment, pressure oil in the upper cavity of the lifting oil cylinder (9) flows back to the oil tank (13-1) through the three-position four-way electromagnetic reversing valve (13-4) and the right flow.
For the vehicle-mounted weighing logistics vehicles, four sets of vehicle-mounted weighing device systems are distributed on two axles, and a weighing center and a weighing area are defined in a carriage.
Claims (2)
1. Large-scale liquid accuse commodity circulation vehicle-mounted weighing device, characterized by: the device comprises a bolt base (1), a safety hand wheel (2), a carriage connecting disc (3), a lifting limiting plate (4), a strip-shaped sensor (5), a sensor connecting base (6), an assembly adjusting pad (7), a weighing contact (8), a lifting oil cylinder (9), an oil cylinder connecting disc (10), a lifting centering conical shaft (11), a lifting centering conical hole (12) and an oil cylinder hydraulic control module (13), wherein the bolt base (1) is placed on an axle and fixedly connected by welding, the upper end of the safety hand wheel (2) is provided with the conical shaft, the lower end of the carriage connecting disc (3) is provided with the conical hole, the conical shaft of the safety hand wheel (2) and the conical hole of the carriage connecting disc (3) have the taper of 1:3, the lifting limiting plate (4) is in threaded connection with the bolt base (1), the sensor connecting base (6) is placed on the axle and fixedly connected by welding, the assembly adjusting pad (7) is arranged between the sensor connecting base (6) and the strip-shaped sensor (5), the bar-shaped sensor (5), the assembly adjusting pad (7) and the sensor connecting base (6) are fastened through hexagon socket head cap screws, the base of the weighing contact (8) is fixedly connected with the bottom of a carriage in a welding mode, the lifting oil cylinder (9) is fixedly connected with the outer side of an axle in a welding mode, the oil cylinder connecting disc (10) is fixedly connected with the lifting centering conical shaft (11) through bolts, the conical degree of the lifting centering conical shaft (11) and the conical hole of the lifting centering conical hole (12) is 1:3, and the oil cylinder hydraulic control module (13) is connected with the lifting oil cylinder (9) and controls the lifting of an oil cylinder piston rod.
2. The large hydraulic control logistics vehicle on-board weighing device of claim 1, wherein: the oil cylinder hydraulic control module (13) comprises an oil tank (13-1), an oil pump (13-2), an overflow valve (13-3) and a three-position four-way electromagnetic directional valve (13-4), wherein the oil pump (13-2) provides system pressure oil, and the overflow valve (13-3) controls the pressure of the system pressure oil; when the vehicle transportation state (lifting upper position) is switched, an electromagnetic coil DT1 of the three-position four-way electromagnetic directional valve (13-4) is electrified, the right position of the three-position four-way electromagnetic directional valve (13-4) is in a working state, pressure oil enters the lower cavity of the lifting oil cylinder (9) through the right position of the three-position four-way electromagnetic directional valve (13-4), a piston rod of the lifting oil cylinder (9) is pushed to move upwards, the lifting stops when the carriage connecting disc (3) touches the lifting limiting plate (4), the lifting motion is prevented, meanwhile, the resistance is increased, the system pressure rises along with the lifting motion, the system pressure value is kept when the set value is reached, and in the process, the pressure oil in the upper cavity of the lifting oil cylinder (9) returns to the oil tank (13-1) through the right position of the three-position four-way electromagnetic directional valve (13-4); when the weight weighing state (lifting lower position) is switched, the electromagnetic coil DT2 of the three-position four-way electromagnetic directional valve (13-4) is electrified, the left position of the three-position four-way electromagnetic directional valve (13-4) is in a working state, pressure oil provided by the oil pump (13-2) enters the upper cavity of the lifting oil cylinder (9) through the left position of the three-position four-way electromagnetic directional valve (13-4) to push the piston rod of the lifting oil cylinder (9) to move downwards, and the pressure oil in the lower cavity of the lifting oil cylinder (9) flows back to the oil tank (13-1) through the left position of the three-position four-way electromagnetic directional valve (13-4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120315487.8U CN214407724U (en) | 2021-02-04 | 2021-02-04 | Vehicle-mounted weighing device for large-scale hydraulic control logistics vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120315487.8U CN214407724U (en) | 2021-02-04 | 2021-02-04 | Vehicle-mounted weighing device for large-scale hydraulic control logistics vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN214407724U true CN214407724U (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120315487.8U Active CN214407724U (en) | 2021-02-04 | 2021-02-04 | Vehicle-mounted weighing device for large-scale hydraulic control logistics vehicle |
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| CN (1) | CN214407724U (en) |
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2021
- 2021-02-04 CN CN202120315487.8U patent/CN214407724U/en active Active
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