Unattended wagon balance equipment

Abstract

The utility model provides unattended wagon balance equipment, which relates to the field of wagon balances and comprises a wagon balance body, two ends of the wagon balance body are respectively provided with a vehicle ramp and an infrared light curtain, and an inner cavity of each vehicle ramp is provided with a blocking mechanism. The infrared light curtain is used for detecting whether a vehicle is completely weighed or not, after the vehicle is completely weighed, the infrared light curtain can transmit data to the PLC, the PLC controls the air cylinder to extend, the air cylinder drives the cross rod and the toothed plate to move while extending, the toothed plate is meshed with the gear, the gear rotates to drive the baffle to turn over, and the baffle is driven to turn over. After the baffle is turned over, an isolation barrier is formed on the vehicle ramp, the weighing sensor weighs the weighing vehicle, when the actual weight is smaller than the maximum weighing value set by the weighing sensor, the weighing sensor transmits data to the PLC, the PLC controls the air cylinder to contract, the baffle is reset, and the vehicle can pass normally.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of weighbridge, concretely is an unattended weighbridge equipment. BACKGROUND

[0002] The unattended weighbridge device is an automatic weighing system integrated with multiple technologies and devices, which can complete the weighing process of the vehicle without manual intervention, and the system usually includes weighing sensors, data acquisition modules, control systems, communication modules, monitoring cameras, infrared transmitting and receiving devices, automatic barriers, LED display screens, voice prompting systems and other components.

[0003] In the freight process, whether the overload transportation is determined, the actual weight of the vehicle is weighed through the weighing equipment such as the weighbridge, whether the truck is overloaded is determined, and in some factory and mine outlets, the unattended weighbridge is usually arranged for weighing the goods. Since it is unattended, when the driver drives the vehicle with a weight exceeding the maximum weight value set by the weighbridge, the driver can continue to drive away due to the unattended, which causes unnecessary trouble.

[0004] Therefore, the utility model provides an unattended weighbridge equipment to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0006] An unattended weighbridge equipment, comprising a weighbridge body, vehicle ramps and infrared light curtains are arranged at both ends of the weighbridge body, a blocking mechanism is arranged in the inner cavity of the vehicle ramp, the blocking mechanism comprises a frame fixedly connected with the inner cavity of the vehicle ramp, a baffle is arranged at the top of the frame, a first horizontal plate is fixedly connected to one side of the bottom of the baffle, rotating rods are fixedly connected to both ends of the first horizontal plate, a gear is fixedly sleeved on the surface of the rotating rod, and the other end of the rotating rod is movably connected with the frame through a bearing;

[0007] A driving mechanism is arranged in the frame, the driving mechanism comprises a cylinder fixedly connected with the inner wall of the frame, a horizontal rod is fixedly connected to the output end of the cylinder, gear plates are fixedly connected to both ends of the horizontal rod, and the top of the gear plate is engaged with the gear.

[0008] Further, in the utility model, the vehicle ramps at both ends of the weighbridge body, the left vehicle ramp is upward, the right vehicle ramp is downward, and two infrared light curtains are arranged at each end of the weighbridge body.

[0009] Further, in the utility model, the inner wall of the frame is fixedly connected with a PLC controller, the output end of the infrared light curtain and the weighing sensor is connected with the input end of the PLC controller, and the output end of the PLC controller is connected with the input end of the air cylinder.

[0010] Further, in the utility model, the other side of the baffle bottom is fixedly connected with a second transverse plate, both ends of the second transverse plate are fixedly connected with supporting rods, and the bottom of the second transverse plate and the first transverse plate are fixedly connected with steel cones.

[0011] Further, in the utility model, both sides of the frame are provided with supporting rods movably connected therewith, the inner wall of the frame is fixedly connected with a limiting sliding rod, and the limiting sliding rod penetrates through the cross rod and is slidably connected with the cross rod.

[0012] Beneficial effects, the utility model has the following beneficial effects:

[0013] The utility model discloses a kind of blocking mechanisms, when the vehicle is completely weighed, infrared light curtain will be data transmission to PLC controller, PLC controller controls air cylinder extension, air cylinder extension drives cross rod and gear plate movement simultaneously, gear plate is engaged with gear, gear rotation drives baffle overturn, and baffle overturn forms isolation barrier on vehicle ramp, weighing sensor is weighed to weighed vehicle, when actual weight is less than the maximum weighing value set by weighing sensor, weighing sensor will be data transmission to PLC controller, PLC controller controls air cylinder contraction, baffle completes reset, and vehicle can be normally passed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic diagram of the utility model;

[0015] Figure 2 It is the structure schematic diagram of the blocking mechanism of the utility model;

[0016] Figure 3 It is the structure schematic diagram of the frame and drive mechanism of the utility model;

[0017] Figure 4 It is the structure schematic diagram of baffle back of the utility model,

[0018] In the drawing:

[0019] 1, ground weight body;2, vehicle ramp;3, infrared light curtain;4, blocking mechanism;41, frame;42, baffle;43, first transverse plate;431, second transverse plate;432, supporting rod;431a, steel cone;44, rotating rod;45, gear;5, drive mechanism;51, air cylinder;52, cross rod;53, gear plate;6, PLC controller;7, limiting sliding rod. DETAILED DESCRIPTION

[0020] For a more complete understanding of the technical content of the present application, specific embodiments are described below with the accompanying drawings. In the present disclosure, aspects of the present application are described with reference to the accompanying drawings, which show many illustrative embodiments. The embodiments of the present disclosure are not necessarily defined in all aspects of the present application. It should be understood that the various concepts and embodiments introduced above, as well as those described in more detail below, can be implemented in any of a number of ways, as the concepts and embodiments disclosed by the present application are not limited to any implementation. In addition, some aspects of the present application can be used alone, or in any appropriate combination with other aspects of the present application.

[0021] Embodiment 1

[0022] As shown in Figures 1-3 The first embodiment of the present application provides an unattended weighbridge, which comprises a weighbridge body 1, a vehicle ramp 2 and an infrared light curtain 3 are arranged at both ends of the weighbridge body 1, a blocking mechanism 4 is arranged in the inner cavity of the vehicle ramp 2, the blocking mechanism 4 comprises a frame 41 fixedly connected with the inner cavity of the vehicle ramp 2, a baffle plate 42 is arranged on the top of the frame 41, a first horizontal plate 43 is fixedly connected on one side of the bottom of the baffle plate 42, a rotating rod 44 is fixedly connected at both ends of the first horizontal plate 43, a gear 45 is fixedly sleeved on the surface of the rotating rod 44, and the other end of the rotating rod 44 is movably connected with the frame 41 through a bearing.

[0023] A driving mechanism 5 is arranged in the frame 41, the driving mechanism 5 comprises a cylinder 51 fixedly connected with the inner wall of the frame 41, a horizontal rod 52 is fixedly connected with the output end of the cylinder 51, a toothed plate 53 is fixedly connected at both ends of the horizontal rod 52, and the top of the toothed plate 53 is engaged with the gear 45.

[0024] The weighbridge body 1 comprises a weighing surface and a weighing sensor, a PLC controller 6 is fixedly connected with the inner wall of the frame 41, the output end of the infrared light curtain 3 and the weighing sensor are connected with the input end of the PLC controller 6, and the output end of the PLC controller 6 is connected with the input end of the cylinder 51.

[0025] As shown in Figures 1-3As shown, the infrared curtain 3 can adopt a PTV40-30 series, and the infrared curtain 3 is used for detecting whether the vehicle is completely weighed, and when the vehicle is completely weighed, the infrared curtain 3 transmits data to the PLC controller 6, the PLC controller 6 controls the extension of the air cylinder 51, and the air cylinder 51 drives the horizontal rod 52 and the toothed plate 53 to move when the air cylinder 51 is extended, the toothed plate 53 is engaged with the gear 45, the gear 45 rotates to drive the baffle 42 to overturn, and the baffle 42 forms an isolation barrier on the vehicle ramp 2 after overturning, and the weighing sensor weighs the vehicle, and the weighing sensor can adopt a QSE series, and the vehicles used in a factory and a mine should be the same type as the vehicles used in the same batch, if the type of the vehicle used in the next batch is different from the type of the vehicle used this time, the maximum weighing value of the weighing sensor should be reset, and when the actual weight of the vehicle is less than the maximum weighing value set by the weighing sensor, the weighing sensor transmits data to the PLC controller 6, the PLC controller 6 controls the air cylinder 51 to contract, and the baffle 42 is reset, so that the vehicle can pass normally.

[0026] An alarm can be arranged in a remote end or a duty room, when the weighing sensor weighs the vehicle, and the actual weight is greater than the maximum weighing value set by the weighing sensor, the alarm can be controlled by the PLC controller 6 to issue an alarm, so that the scene can be handled in time, and the ground weight body 1 is installed in a pit-free manner, so that the height of the weighing surface and the ground is 440 cm, and the height difference existing in the installation manner can prevent the vehicle from directly driving away from the weighing surface.

[0027] Embodiment 2

[0028] Refer to Figure 1 , 3 and Figure 4 , which are the second embodiment of the utility model, and the embodiment is based on the previous embodiment.

[0029] In the embodiment, the vehicle ramps 2 at both ends of the ground weight body 1, the left vehicle ramp 2 is up, the right vehicle ramp 2 is down, and the infrared curtain 3 at both ends of the ground weight body 1 is two at each end.

[0030] The other side of the bottom of the baffle 42 is fixedly connected with a second horizontal plate 431, both ends of the second horizontal plate 431 are fixedly connected with a support rod 432, and the bottom of the second horizontal plate 431 and the first horizontal plate 43 are fixedly connected with steel cones 431a.

[0031] Both sides of the frame 41 are provided with 411, and the support rod 432 is movably connected with the 411, the inner wall of the frame 41 is fixedly connected with a limiting sliding rod 7, and the limiting sliding rod 7 penetrates through the horizontal rod 52 and is slidably connected with the horizontal rod 52.

[0032] As Figure 1 , 3 and Figure 4As shown, since the vehicle ramp 2 has one up and one down on the left and right respectively, the blocking mechanism 4 and the driving mechanism 5 also have two, and the setting directions of the two blocking mechanisms 4 and the driving mechanism 5 are mirror image distributed, the support rod 432 at the two ends of the second horizontal plate 431 can be movably clamped in 411, thereby bearing the baffle 42, the steel cone 431a arranged on the first horizontal plate 43 and the second horizontal plate 431 can break the tire when the vehicle forcibly drives away, thereby preventing the vehicle from forcibly driving away, and the limiting slide rod 7 is used for limiting the cross rod 52.

[0033] In use, the infrared light curtain 3 detects whether the vehicle is completely on the scale, and when the vehicle is completely on the scale, the infrared light curtain 3 transmits data to the PLC controller 6, the PLC controller 6 controls the extension of the air cylinder 51, and the air cylinder 51 drives the cross rod 52 and the toothed plate 53 to move at the same time, the toothed plate 53 is engaged with the gear 45, the gear 45 rotates to drive the baffle 42 to overturn, and the baffle 42 forms an isolation barrier on the vehicle ramp 2 after overturning. The weighing sensor weighs the vehicle on the scale, and when the actual weight is less than the maximum weight set by the weighing sensor, the weighing sensor transmits data to the PLC controller 6, the PLC controller 6 controls the air cylinder 51 to contract, and the baffle 42 is reset. The vehicle can pass normally, otherwise the PLC controller 6 controls the air cylinder 51 to remain stationary, and the baffle 42 continues to be in the overturned state to block the vehicle.

[0034] The standard parts used in the present application can be purchased from the market, and can be customized according to the description and the drawings. The specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art. The mechanical parts and equipment adopt conventional types in the prior art. The control mode is automatically controlled by the controller. The control circuit of the controller can be realized by simple programming of the person skilled in the art. It belongs to the common knowledge in the art. And the present application is mainly used to protect the mechanical device, so the control mode and the circuit connection are not explained in detail.

[0035] Although the present application has been disclosed with the above preferred embodiments, it is not intended to limit the present application. Those skilled in the art can make various modifications and improvements without departing from the spirit and scope of the present application. Therefore, the protection scope of the present application shall be subject to the definition of the claims.

Claims

1. An unattended weighbridge apparatus comprising a weighbridge body (1), characterized in that: Both ends of the platform scale body (1) are provided with vehicle ramps (2) and infrared light curtains (3), the inner cavity of the vehicle ramp (2) is provided with a blocking mechanism (4), the blocking mechanism (4) comprises a frame (41) fixedly connected with the inner cavity of the vehicle ramp (2), the top of the frame (41) is provided with a baffle (42), one side of the bottom of the baffle (42) is fixedly connected with a first horizontal plate (43), both ends of the first horizontal plate (43) are fixedly connected with a rotating rod (44), the surface of the rotating rod (44) is fixedly sleeved with a gear (45), the other end of the rotating rod (44) is movably connected with the frame (41) through a bearing; The inside of the frame (41) is provided with a driving mechanism (5), the driving mechanism (5) comprises a cylinder (51) fixedly connected with the inner wall of the frame (41), the output end of the cylinder (51) is fixedly connected with a horizontal rod (52), both ends of the horizontal rod (52) are fixedly connected with a toothed plate (53), the top of the toothed plate (53) is engaged with the gear (45).

2. The unattended weighbridge apparatus of claim 1, wherein: The vehicle ramps (2) at both ends of the platform scale body (1) are on the left side, and the vehicle ramps (2) at both ends of the platform scale body (1) are on the right side, and the infrared light curtains (3) at both ends of the platform scale body (1) are two at each end.

3. The unattended weighbridge apparatus of claim 1, wherein: The platform scale body (1) comprises a platform surface and a weighing sensor, the inner wall of the frame (41) is fixedly connected with a PLC controller (6), the output end of the infrared light curtain (3) and the weighing sensor are connected with the input end of the PLC controller (6), and the output end of the PLC controller (6) is connected with the input end of the cylinder (51).

4. The unattended weighbridge apparatus of claim 1, wherein: The other side of the bottom of the baffle (42) is fixedly connected with a second horizontal plate (431), both ends of the second horizontal plate (431) are fixedly connected with a supporting rod (432), and the second horizontal plate (431) and the bottom of the first horizontal plate (43) are fixedly connected with a steel cone (431a).

5. The unattended weighbridge apparatus of claim 4, wherein: Both sides of the frame (41) are provided with (411), the supporting rod (432) is movably connected with the frame (41), the inner wall of the frame (41) is fixedly connected with a limiting sliding rod (7), the limiting sliding rod (7) penetrates through the horizontal rod (52) and is slidably connected with the horizontal rod (52).

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