CN214538200U - Logistics vehicle-mounted weighing sensor protection hydraulic control device - Google Patents
Logistics vehicle-mounted weighing sensor protection hydraulic control device Download PDFInfo
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- CN214538200U CN214538200U CN202120560998.6U CN202120560998U CN214538200U CN 214538200 U CN214538200 U CN 214538200U CN 202120560998 U CN202120560998 U CN 202120560998U CN 214538200 U CN214538200 U CN 214538200U
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Abstract
The logistics vehicle on-board weighing sensor protection hydraulic control device comprises an axle, a lifting oil cylinder, an oil cylinder connecting disc, a lifting centering conical shaft, a lifting centering conical hole, a carriage base plate, a weighing contact, a weighing sensor, an assembly adjusting pad, a sensor base, a lifting limiting plate, a reinforcing rib, a positioning safety plate, a positioning safety conical shaft, a positioning guide support, a positioning oil cylinder connecting disc and a positioning safety oil cylinder, wherein when the logistics vehicle on-board weighing sensor protection hydraulic control device is in a transportation state, the weighing sensor is separated from the carriage and a weighing object, and the logistics vehicle on-board weighing sensor protection hydraulic control device is protected under the transportation state; meanwhile, when the weighing state is in the weighing state, the weighing sensor can freely weigh without any limit state, so that the weighing precision is improved, and the weighing sensor is simple in structure and easy to popularize and apply.
Description
Technical Field
The utility model relates to a sensor protection liquid accuse device field, especially commodity circulation vehicle-mounted weighing sensor protection liquid accuse device.
Background
When present logistics vehicle adopts the sensor device to weigh, generally according to sensor structure with thread fixed connection (sensor device support and axle connection are passed through to one end, the other end is connected with the carriage and the object of weighing), make and weigh the heavy object, the carriage, the sensor, the support, the axle becomes an organic whole, increase the restriction to sensor device both ends, produce centrifugal bending moment direct influence under the gravity action through the focus in the non-simple, reduced the weighing precision and shortened the life of weighing sensor device simultaneously.
Disclosure of Invention
The utility model discloses according to two kinds of operating condition of weighing: firstly, when the upper vehicle is lifted and lowered in a transportation 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, when the lower heavy object is lifted and weighed, the vehicle is stopped, the carriage and the heavy object fall down, the carriage and the heavy object 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, but the weighing object is not limited, the problem that the weighing precision is reduced due to the influence of centrifugal bending moment is solved, the vehicle-mounted weighing precision is improved, and the weighing sensor device is protected.
The purpose of the utility model is realized like this: a logistics vehicle-mounted weighing sensor protection hydraulic control device is characterized by comprising an axle (1), a lifting oil cylinder (2), an oil cylinder connecting disc (3), a lifting centering conical shaft (4), a lifting centering conical hole (5), a carriage base plate (6), a weighing contact (7), a weighing sensor (8), an assembly adjusting pad (9), a sensor base (10), a lifting limiting plate (11), a reinforcing rib (12), a positioning safety plate (13), a positioning safety conical shaft (14), a positioning guide support (15), a positioning oil cylinder connecting disc (16) and a safety positioning oil cylinder (17);
furthermore, a lifting oil cylinder (2) is fixedly connected with the outer side of the axle (1) in a welding mode, an oil cylinder connecting disc (3) is connected with the end portion of a piston rod of the lifting oil cylinder (2), the oil cylinder connecting disc (3) is fixedly connected with a lifting centering conical shaft (4) through a bolt, the conicity of the lifting centering conical shaft (4) and the conicity of a lifting centering conical hole (5) are 1:3, and a base of the lifting centering conical hole (5) is fixedly connected with a carriage base plate (6) in a welding mode;
furthermore, a weighing contact (7) is fixedly connected with a carriage base plate (6) in a welding mode, a sensor base (10) is placed on the axle (1) and fixedly connected in a welding mode, and an assembly adjusting pad (9) is arranged between a weighing sensor (8) and the sensor base (10) and fixedly connected through a bolt;
furthermore, a lifting limit plate (11) is fixedly connected with the outer side of the axle (1) in a welding mode and is fastened by a reinforcing rib (12), a positioning safety plate (13) is fixedly connected with a carriage base plate (6) in a welding mode, the lifting limit plate (11) and the positioning safety plate (13) are provided with taper holes, and the taper of the taper holes is 1: 12;
furthermore, a safety positioning oil cylinder (17) is fixedly connected with the outer side of the axle (1) in a welding mode, a positioning oil cylinder connecting disc (16) is arranged at the end portion of a piston rod of the safety positioning oil cylinder (17), a push rod of a positioning safety conical shaft (14) is connected with the positioning oil cylinder connecting disc (16) through a positioning guide support (15), the taper of the positioning safety conical shaft (14) is 1:12, and a lifting limiting plate (11) and a positioning safety plate (13) are fixed through inserting locks.
Has the advantages that: when the carriage and the weighing object are lifted up and down (in a transportation state), the weighing sensor is separated from the carriage and the weighing object, and the logistics vehicle sensor weighing device is protected in the transportation state; meanwhile, when the carriage and the weighing object are lifted and lowered (in a weighing state), the weighing sensor can freely weigh without any limitation, and the weighing precision is improved.
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;
in the figure: 1. an axle; 2. a lift cylinder; 3. an oil cylinder connecting plate; 4. lifting and centering the conical shaft; 5. lifting and centering the taper hole; 6. a carriage base plate; 7. a weighing contact; 8. a weighing sensor; 9. assembling an adjusting pad; 10. a sensor base; 11. a lifting limit plate; 12. reinforcing ribs; 13. positioning a safety plate; 14. positioning a safety cone shaft; 15. positioning a guide support; 16. positioning an oil cylinder connecting plate; 17. and (4) a safety positioning oil cylinder.
Detailed Description
Example 1: a logistics vehicle-mounted weighing sensor protection hydraulic control device comprises an axle (1), a lifting oil cylinder (2), an oil cylinder connecting disc (3), a lifting centering conical shaft (4), a lifting centering conical hole (5), a carriage base plate (6), a weighing contact (7), a weighing sensor (8), an assembly adjusting pad (9), a sensor base (10), a lifting limiting plate (11), a reinforcing rib (12), a positioning safety plate (13), a positioning safety conical shaft (14), a positioning guide support (15), a positioning oil cylinder connecting disc (16) and a safety positioning oil cylinder (17), wherein the lifting oil cylinder (2) is fixedly connected with the outer side of the axle (1) in a welding manner, the oil cylinder connecting disc (3) is connected with the end part of a piston rod of the lifting oil cylinder (2), the oil cylinder connecting disc (3) is fixedly connected with the lifting centering conical shaft (4) through a bolt, the conicity of the lifting centering conical shaft (4) is 1:3 with the conicity of the lifting centering conical hole (5), the base of the lifting centering taper hole (5) is fixedly connected with a carriage base plate (6) in a welding mode, a weighing contact (7) is fixedly connected with the carriage base plate (6) in a welding mode, a sensor base (10) is placed on an axle (1) and fixedly connected in a welding mode, an assembly adjusting pad (9) is arranged between a weighing sensor (8) and the sensor base (10) and fixedly connected through a bolt, a lifting limiting plate (11) is fixedly connected with the outer side of the axle (1) in a welding mode and fastened through a reinforcing rib (12), a positioning safety plate (13) is fixedly connected with the carriage base plate (6) in a welding mode, the lifting limiting plate (11) and the positioning safety plate (13) are provided with taper holes with a taper angle of 1:12, a safety positioning oil cylinder (17) is fixedly connected with the outer side of the axle (1) in a welding mode, a positioning oil cylinder connecting plate (16) is arranged at the end portion of a piston rod of the safety positioning oil cylinder (17), a push rod of the positioning safety taper shaft (14) is connected with the positioning oil cylinder connecting plate (16) through a positioning guide support (15), the taper of a positioning safety conical shaft (14) is 1:12, and a lifting limit plate (11) and a positioning safety plate (13) are fixed through a mortise lock.
The working process is as follows: when the logistics vehicle enters a transportation state, the lifting oil cylinder (2) is controlled and the piston rod is pushed to move upwards, the lifting centering conical shaft (4) is enabled to move upwards through the oil cylinder connecting disc (3), and the lifting centering conical shaft is aligned and centered when meeting the lifting centering conical hole (5) and drives the carriage base plate (6) to ascend together with the carriage, a weighing object and the positioning safety plate (13), the resistance of the lifting oil cylinder (2) is increased again when the positioning safety plate (13) touches the lifting limiting plate (11), the system pressure is maintained when the system pressure is increased to a set value, and the ascending is stopped; meanwhile, a piston rod of the safety positioning oil cylinder (17) is controlled to move leftwards, the positioning safety conical shaft (14) moves leftwards through a positioning oil cylinder connecting disc (16) and is supported by a positioning guide support (15) and stops moving leftwards when being in clearance-free fit with conical holes in a positioning safety plate (13) and a lifting limiting plate (11), the set positioning safety oil way pressure value and the taper of 1:12 in the horizontal direction are kept to have a self-locking effect in the vertical direction, and the protection control effect on the logistics vehicle weighing sensor is achieved in a transportation state.
When the logistics vehicle enters a weighing state, a piston rod of the safety positioning oil cylinder (17) is controlled to move rightwards, a positioning oil cylinder connecting disc (16) is driven to move rightwards, and protection self-locking is released; meanwhile, the lifting oil cylinder (2) and a piston rod thereof are controlled, the oil cylinder connecting disc (3), the lifting centering conical shaft (4), the lifting centering conical hole (5) and the carriage connecting plate (6) move downwards, under the action of the vertical downward gravity of the carriage and a weighing object, the downward moving weighing contact (7) is in contact with the upper end of the weighing sensor (8), the carriage and the weighing object are stopped to move downwards, the weighing sensor (8) is free to weigh under the condition that the carriage and the weighing object are not limited, enough clearance is reserved between the lifting centering conical shaft (4) and the lifting centering conical hole (5) in the diameter direction at the moment, and certain allowance in the horizontal direction is not hindered in free weighing.
Claims (1)
1. A logistics vehicle-mounted weighing sensor protection hydraulic control device is characterized by comprising an axle (1), a lifting oil cylinder (2), an oil cylinder connecting disc (3), a lifting centering conical shaft (4), a lifting centering conical hole (5), a carriage base plate (6), a weighing contact (7), a weighing sensor (8), an assembly adjusting pad (9), a sensor base (10), a lifting limiting plate (11), a reinforcing rib (12), a positioning safety plate (13), a positioning safety conical shaft (14), a positioning guide support (15), a positioning oil cylinder connecting disc (16) and a safety positioning oil cylinder (17);
furthermore, a lifting oil cylinder (2) is fixedly connected with the outer side of the axle (1) in a welding mode, an oil cylinder connecting disc (3) is connected with the end portion of a piston rod of the lifting oil cylinder (2), the oil cylinder connecting disc (3) is fixedly connected with a lifting centering conical shaft (4) through a bolt, the conicity of the lifting centering conical shaft (4) and the conicity of a lifting centering conical hole (5) are 1:3, and a base of the lifting centering conical hole (5) is fixedly connected with a carriage base plate (6) in a welding mode;
furthermore, a weighing contact (7) is fixedly connected with a carriage base plate (6) in a welding mode, a sensor base (10) is placed on the axle (1) and fixedly connected in a welding mode, and an assembly adjusting pad (9) is arranged between a weighing sensor (8) and the sensor base (10) and fixedly connected through a bolt;
furthermore, a lifting limit plate (11) is fixedly connected with the outer side of the axle (1) in a welding mode and is fastened by a reinforcing rib (12), a positioning safety plate (13) is fixedly connected with a carriage base plate (6) in a welding mode, the lifting limit plate (11) and the positioning safety plate (13) are provided with taper holes, and the taper of the taper holes is 1: 12;
furthermore, a safety positioning oil cylinder (17) is fixedly connected with the outer side of the axle (1) in a welding mode, a positioning oil cylinder connecting disc (16) is arranged at the end portion of a piston rod of the safety positioning oil cylinder (17), a push rod of a positioning safety conical shaft (14) is connected with the positioning oil cylinder connecting disc (16) through a positioning guide support (15), the taper of the positioning safety conical shaft (14) is 1:12, and a lifting limiting plate (11) and a positioning safety plate (13) are fixed through inserting locks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120560998.6U CN214538200U (en) | 2021-03-19 | 2021-03-19 | Logistics vehicle-mounted weighing sensor protection hydraulic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120560998.6U CN214538200U (en) | 2021-03-19 | 2021-03-19 | Logistics vehicle-mounted weighing sensor protection hydraulic control device |
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| CN214538200U true CN214538200U (en) | 2021-10-29 |
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| CN202120560998.6U Active CN214538200U (en) | 2021-03-19 | 2021-03-19 | Logistics vehicle-mounted weighing sensor protection hydraulic control device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115790796A (en) * | 2022-12-09 | 2023-03-14 | 无锡巨力电动平车有限公司 | High-precision weighing system for vehicle |
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2021
- 2021-03-19 CN CN202120560998.6U patent/CN214538200U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115790796A (en) * | 2022-12-09 | 2023-03-14 | 无锡巨力电动平车有限公司 | High-precision weighing system for vehicle |
| CN115790796B (en) * | 2022-12-09 | 2023-11-14 | 无锡巨力电动平车有限公司 | High-precision weighing system for vehicle |
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