Carriage of freight tricycle and freight tricycle

By installing weighing components and leveling mechanisms in the cargo compartment of freight tricycles, the problem of loading and unloading cargo on uneven roads has been solved, realizing the leveling adjustment and weighing functions of the cargo compartment, thus improving the convenience and safety of use.

CN223721066UActive Publication Date: 2025-12-26吕献奎
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Patent Information

Application Number
CN202520176535.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-27
Publication Date
2025-12-26
Estimated Expiration
2035-01-27

AI Technical Summary

Technical Problem

Existing freight tricycles are difficult to park for loading or unloading on potholes or steep slopes, posing a risk of goods sliding out of the cargo compartment. They also require weighbridges for weighing, which are inconvenient to move and make them difficult to use.

Method used

A weighing assembly and a leveling mechanism are installed in the cargo compartment of a freight tricycle. The weighing assembly includes a load cell, an amplifier, an analog-to-digital converter, a microprocessor, and an electronic scale display. The leveling mechanism uses a hydraulic jack to adjust the level of the cargo compartment floor.

Benefits of technology

The system enables leveling of the cargo compartment on uneven surfaces, preventing goods from slipping out, simplifying the weighing process, improving the convenience and safety of loading and unloading, and reducing costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a freight tricycle carriage and a freight tricycle. The freight tricycle carriage comprises a frame and a carriage bottom plate installed on the upper side of the frame, and further comprises a weighing assembly. The weighing assembly comprises a weighing sensor, an amplifier, an analog-to-digital converter, a microprocessor and an electronic scale display. The amplifier is electrically connected with the weighing sensor and the analog-to-digital converter. The microprocessor is electrically connected with the analog-to-digital converter and the electronic scale display. The weighing sensor is installed on the frame, and the compartment bottom plate is connected to the weighing sensor. A leveling mechanism used for leveling the carriage is further installed on the frame. According to the carriage of the freight tricycle, the parking limitation during loading and unloading is broken through, use is more convenient, goods can be weighed, and the use convenience of the freight tricycle is improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the transportation technical field, in particular to a freight tricycle carriage and a freight tricycle. BACKGROUND

[0002] The freight tricycle is a kind of vehicle with three wheels, and its design and use are various. The freight tricycle generally comprises a handlebar, a seat, a carriage, a front wheel and a rear wheel; the front wheel can be steered, the rear wheel is driven by an electric motor or a fuel engine, and the carriage can accommodate goods.

[0003] The freight tricycle is a kind of cargo carrying tool, which is usually used for short-distance transportation or goods distribution, unloading and the like in specific scenarios. According to the power source, it can be divided into electric freight tricycles and fuel freight tricycles. The existing freight tricycles have limited use scenarios. For example, some need to use the freight tricycle to unload, and in the case of weighing the goods, the freight tricycle needs to be matched with a weighbridge, but the weighbridge is not convenient to move, and after the goods are weighed on the weighbridge, they need to be moved to the carriage of the freight tricycle again, which is not only inconvenient to use due to the inconvenient movement of the weighbridge, but also time-consuming and laborious to move multiple times. In addition, the existing freight tricycle needs to be parked on a relatively flat road surface when parking, especially when loading or unloading goods, it needs to be parked on a flat road surface. If the road surface has potholes, the freight tricycle is easy to deviate during loading or unloading, and the goods in the carriage are easy to slide out of the carriage. If the road surface has a relatively large slope, the goods in the carriage are also easy to slide out of the carriage, and the sliding of the goods out of the carriage is easy to cause injury to the workers and damage to the goods themselves; therefore, the existing freight tricycle also has certain parking limitations, and cannot be parked on a road surface with potholes or a road surface with a relatively large slope for loading and unloading. CONTENT OF THE UTILITY MODEL

[0004] The present application aims to provide a freight tricycle carriage and a freight tricycle to solve the technical problem that the existing freight tricycle has certain parking limitations and cannot be parked on a road surface with potholes or a road surface with a relatively large slope for loading and unloading. The preferred technical solutions in the many technical solutions provided by the present application can produce many technical effects, which are described in detail below.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions:

[0006] In a first aspect, the present application provides a freight tricycle carriage, which comprises a frame and a carriage bottom plate installed on the upper side of the frame, and further comprises a weighing assembly; wherein,

[0007] The weighing assembly comprises a weighing sensor, an amplifier, an analog-to-digital converter, a microprocessor and an electronic scale display; the amplifier is electrically connected with the weighing sensor and the analog-to-digital converter respectively, and the microprocessor is electrically connected with the analog-to-digital converter and the electronic scale display respectively.

[0008] The weighing sensor is mounted on the vehicle frame, and the vehicle compartment bottom plate is connected to the weighing sensor.

[0009] The vehicle frame is further provided with a leveling mechanism for leveling the vehicle compartment.

[0010] Optionally or preferably, the vehicle compartment further comprises a front gantry frame connected to the vehicle compartment bottom plate, and the electronic scale display is arranged on the front gantry frame and located at a side close to the front part of the vehicle compartment.

[0011] Optionally or preferably, the vehicle frame comprises two side beams arranged oppositely and two heavy-bearing beams arranged along the length direction of the vehicle compartment bottom plate, and two ends of the two heavy-bearing beams are connected to the side beams respectively.

[0012] The weighing sensor is four, two of which are arranged on the two heavy-bearing beams.

[0013] Optionally or preferably, the leveling mechanism for leveling the vehicle compartment comprises a hydraulic jack.

[0014] Optionally or preferably, the hydraulic jack is two, and the two hydraulic jacks are respectively mounted on the two heavy-bearing beams and arranged close to the tail part of the vehicle compartment.

[0015] Optionally or preferably, the amplifier, the analog-to-digital converter and the microprocessor are integrated on the display of the electronic scale.

[0016] Optionally or preferably, the electronic scale display comprises an LCD screen or an LED screen.

[0017] Optionally or preferably, the amplifier comprises an operational amplifier or an instrument amplifier.

[0018] Optionally or preferably, the microprocessor comprises a single-chip microcomputer.

[0019] In a second aspect, the application provides a freight tricycle comprising the freight tricycle vehicle compartment.

[0020] Based on the above technical solutions, the embodiments of the application can at least produce the following technical effects:

[0021] The freight tricycle carriage provided by the application can adjust the position of the carriage through the levelling mechanism installed on the frame when loading or unloading on the uneven road or the road with relatively large slope, so that the carriage bottom plate is basically parallel to the horizontal plane, the goods can be prevented from sliding out of the carriage, and the staff can be prevented from being injured or the goods from being damaged.

[0022] The freight tricycle carriage provided by the application includes a weighing assembly; the weighing assembly includes a weighing sensor, an amplifier, an analog-to-digital converter, a microprocessor and an electronic scale display; the amplifier is electrically connected with the weighing sensor and the analog-to-digital converter respectively, and the microprocessor is electrically connected with the analog-to-digital converter and the electronic scale display respectively; since the weighing sensor is installed on the frame and the carriage bottom plate is connected to the weighing sensor, the carriage bottom plate serves as the weighing plate of the electronic scale during use, so that the production cost is low, and the installation cost and the maintenance cost are also lower. The freight tricycle carriage provided by the application can be used not only for the transportation of goods, but also for the weighing of goods through the weighing assembly, so that the goods can be weighed during unloading and loading. When the goods need to be weighed during unloading and loading, the freight tricycle can complete the unloading, loading and weighing of the goods, so that the use of the weighbridge is avoided, and the convenience of the freight tricycle is improved. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort.

[0024] Figure 1 is a structural schematic diagram of the embodiment of the present application;

[0025] Figure 2 is a structural schematic diagram of another angle of the embodiment of the present application;

[0026] Figure 3 is an installation schematic diagram of the weighing sensor in the embodiment of the present application;

[0027] Figure 4 is a structural schematic diagram of the frame in the embodiment of the present application;

[0028] Figure 5 is a connection schematic diagram of the weighing assembly in the embodiment of the present application.

[0029] In the drawings:

[0030] 10-frame; 101-side rail; 102-heavy-duty rail;

[0031] 20-carriage floor;

[0032] 30-front gantry;

[0033] 40-hydraulic top;

[0034] 50-weighing sensor;

[0035] 60-amplifier;

[0036] 70-analog-to-digital converter;

[0037] 80-microprocessor;

[0038] 90-electronic scale display

[0039] 100-fixed support

[0040] 110-front wheel;

[0041] 120-rear wheel. DETAILED DESCRIPTION

[0042] To make the purposes, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be described in detail below. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the scope of the present application. Embodiment 1:

[0043] Please refer to Figures 1-5 The present application provides a freight tricycle carriage, which comprises a frame 10 and a carriage floor 20 arranged on the upper side of the frame 10, and further comprises a weighing assembly; wherein,

[0044] The weighing assembly comprises a weighing sensor 50, an amplifier 60, an analog-to-digital converter 70, a microprocessor 80 and an electronic scale display 90; the amplifier 60 is electrically connected with the weighing sensor 50 and the analog-to-digital converter 70 respectively, and the microprocessor 80 is electrically connected with the analog-to-digital converter 70 and the electronic scale display 90 respectively;

[0045] The weighing sensor 50 is installed on the frame 10, and the carriage floor 20 is connected to the weighing sensor 50;

[0046] The frame 10 is further provided with a leveling mechanism for leveling the carriage.

[0047] The freight tricycle carriage provided by the application can adjust the position of the carriage through the levelling mechanism installed on the frame 10, even on the uneven road or the road with relatively large slope, so that the carriage floor 20 is basically parallel to the horizontal plane during loading or unloading, and the goods can be prevented from sliding out of the carriage, thereby avoiding the injury to the workers or the damage to the goods. The freight tricycle carriage provided by the application breaks the parking limitation during loading and unloading, and is more convenient to use. The freight tricycle carriage provided by the application comprises a weighing assembly; the weighing assembly comprises a weighing sensor 50, an amplifier 60, an analog-to-digital converter 70, a microprocessor 80 and an electronic scale display 90; the weighing sensor 50, the amplifier 60, the analog-to-digital converter 70 and the electronic scale display 90 are electrically connected to the microprocessor 80; since the weighing sensor 50 is installed on the frame 10 and the carriage floor 20 is connected to the weighing sensor 50, the carriage floor 20 serves as the weighing plate of the electronic scale during use, so that the production cost is low, and the installation cost and the maintenance cost are also lower. The freight tricycle carriage provided by the application can not only be used for transporting goods, but also can weigh the goods through the weighing assembly, so that the goods can be weighed during unloading and loading. When the goods need to be weighed during unloading and loading, the freight tricycle can complete the unloading, loading and weighing of the goods, thereby avoiding the use of the weighbridge. The freight tricycle carriage provided by the application improves the convenience of the freight tricycle.

[0048] In some embodiments, the carriage further comprises a front gantry 30 connected to the carriage floor 20, and the electronic scale display 90 is arranged on the front gantry 30 and located near one side of the front part of the carriage. It can be understood that the electronic scale display 90 is installed on the front gantry 30 and located near one side of the front part of the carriage, not only to facilitate the workers to view the weight of the goods, but also to avoid the goods placed on the carriage floor 20 from shielding the reading on the electronic scale display 90, and at the same time, the carriage floor 20 can have more space to place the goods.

[0049] In some embodiments, the frame 10 comprises two side beams 101 arranged oppositely and two heavy-bearing beams 102 arranged along the length direction of the carriage floor 20, and the two ends of the two heavy-bearing beams 102 are connected to the side beams 101, respectively. The weighing sensor 50 is four, and two are arranged on the two heavy-bearing beams 102, respectively. It can be understood that the weighing sensor 50 is arranged as four, and two are arranged on the two heavy-bearing beams 102, respectively, so that the four weighing sensors 50 are evenly distributed on the lower side of the carriage floor 20, which can more accurately weigh the weight of the goods placed on the carriage floor 20 and provide the accuracy of the weight of the goods.

[0050] In some embodiments, the load cell 50 is fixed on the load bearing beam 102 by a fixing bracket 100. It can be understood that the structure of the fixing bracket 100 is not limited as long as it can fix the load cell 50 on the load bearing beam 102 and can realize accurate weighing when the goods are placed on the truck bed floor 20.

[0051] In some embodiments, the leveling mechanism for leveling the truck bed includes a hydraulic jack 40. It can be understood that the leveling mechanism is set as the hydraulic jack 40, which is controlled by hydraulic pressure to keep the truck bed floor 20 in a horizontal position, has fast adjustment speed, is labor-saving, and is convenient to use. Of course, the specific structure of the leveling mechanism is not limited by the embodiments of the present application, and other structures of the leveling device can also be used as long as the leveling function is realized and the leveling state is ensured during loading or unloading.

[0052] In some embodiments, the hydraulic jack 40 is two, and the two hydraulic jacks 40 are respectively installed on the two load bearing beams 102, and the hydraulic jacks 40 are arranged close to the tail of the truck bed. It can be understood that the setting of two hydraulic jacks 40 can better ensure that the truck bed floor 20 is in a horizontal position. Of course, the number of hydraulic jacks 40 is not limited by the embodiments of the present application, and three, four or the like can also be set, but two hydraulic jacks 40 can already meet the use demand of adjusting the truck bed floor 20 to be in a horizontal position, so two hydraulic jacks 40 are set based on cost consideration.

[0053] In some embodiments, the amplifier 60, the analog-to-digital converter 70 and the microprocessor 80 are integrated on the display of the electronic scale. It can be understood that the amplifier 60, the analog-to-digital converter 70 and the microprocessor 80 are integrated on the display of the electronic scale in order to make the structure of the weighing assembly more concentrated, save installation space, and facilitate maintenance.

[0054] In some embodiments, the electronic scale display 90 includes an LCD screen or an LED screen.

[0055] In some embodiments, the amplifier 60 includes an operational amplifier 60 or an instrument amplifier 60.

[0056] In some embodiments, the microprocessor 80 includes a single-chip microcomputer. The microprocessor 80 is used as a controller of the electronic scale, and the single-chip microcomputer can achieve the use effect.

[0057] The working process of the truck bed weighing of the freight tricycle in the embodiments of the present application is as follows:

[0058] ①When the goods are placed on the carriage floor 20 or part of the goods is taken away from the carriage floor 20, the weight of the goods on the carriage floor 20 is transmitted to the load cell 50 through the carriage floor 20, and the load cell 50 converts the weight into an electrical signal through a strain gauge or piezoelectric effect. This electrical signal is usually an analog signal of millivolts, which is very weak and needs to be amplified by a subsequent amplifier 60.

[0059] ②The main function of the amplifier 60 is to amplify the weak electrical signal output by the load cell 50 into an analog signal with a suitable amplitude, so that the subsequent circuit can be correctly processed;

[0060] ③The main function of the analog-to-digital converter 70 is to convert the amplified analog signal into a digital signal for further processing by the microprocessor 80;

[0061] ④The microprocessor 80 processes the digital signal after analog-to-digital conversion, including data operation, calibration, skinning, accumulation, etc. The microprocessor 80 can also store, print or transmit data as needed;

[0062] ⑤The data processed by the microprocessor is presented in the form of numbers or graphics through the electronic scale display 90 for the staff to check, and the weighing work can be completed.

[0063] The situation in which the cargo trike carriage needs to be leveled in the embodiment of the application:

[0064] When the road surface has a large pit or a large slope, the carriage floor 20 needs to be controlled to be basically parallel to the horizontal plane, at which time the leveling of the cargo trike carriage needs to be processed through the hydraulic jack 40. Embodiment 2:

[0065] The application provides a cargo trike, which comprises the cargo trike carriage in the above-mentioned embodiment 1, and further comprises front wheels 110, rear wheels 120 arranged on the lower side of the carriage, a motor 130 driving the rear wheels 120, a handlebar, and a seat.

[0066] The application provides a freight tricycle, which adopts the carriage in embodiment 1, and the levelling mechanism for levelling the carriage is installed on the frame 10, so that the position of the carriage can be adjusted by the levelling mechanism when loading or unloading, the carriage bottom plate 20 of the carriage can be substantially parallel to the horizontal plane, the goods can be prevented from sliding out of the carriage during loading or unloading, and the workers can be prevented from being injured or the goods can be prevented from being damaged. The freight tricycle carriage provided by the application breaks the parking limitation during loading and unloading, and is more convenient to use. The freight tricycle provided by the application is characterized in that the weighing sensor 50 is installed on the frame 10, and the carriage bottom plate 20 is connected to the weighing sensor 50. During use, the carriage bottom plate 20 serves as the weighing plate of the electronic scale, so that the production cost is low, and the installation cost and the maintenance cost are also low. The freight tricycle provided by the application can be used for transporting goods, and the goods can be weighed by the weighing assembly. The goods can be weighed during unloading and loading. When the goods need to be weighed during unloading and loading, the freight tricycle can be used to complete the unloading, loading and weighing of the goods, the use of the weighbridge scale is avoided, and the convenience of the freight tricycle is improved.

[0067] The above is only a specific embodiment of the application, but the protection scope of the application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed in the application, which should be covered in the protection scope of the application.

Claims

1. A cargo trike bed comprising a frame (10) and a bed floor (20) mounted on the upper side of the frame (10), characterized in that, Further comprising a weighing assembly; wherein The weighing assembly comprises a weighing sensor (50), an amplifier (60), an analog-to-digital converter (70), a microprocessor (80) and an electronic scale display (90); the amplifier (60) is electrically connected with the weighing sensor (50) and the analog-to-digital converter (70) respectively, and the microprocessor (80) is electrically connected with the analog-to-digital converter (70) and the electronic scale display (90) respectively. The weighing sensor (50) is installed on the vehicle frame (10), and the vehicle compartment bottom plate (20) is connected to the weighing sensor (50). The vehicle frame (10) is further provided with a leveling mechanism for leveling the vehicle compartment.

2. The cargo trike cargo bed of claim 1, wherein, The vehicle compartment further comprises a front gantry (30) connected to the vehicle compartment bottom plate (20), and the electronic scale display (90) is arranged on the front gantry (30) and located near one side of the front part of the vehicle compartment.

3. The cargo trike cargo bed of claim 1, wherein, The vehicle frame (10) comprises two side beams (101) arranged oppositely and two heavy-duty beams (102) arranged along the length direction of the vehicle compartment bottom plate (20), and the two ends of the two heavy-duty beams (102) are connected to the side beams (101) respectively; the weighing sensor (50) is four, and two are arranged on each of the two heavy-duty beams (102).

4. The cargo trike cargo bed of claim 1, wherein, The leveling mechanism comprises a hydraulic jack (40).

5. The cargo trike cargo bed of claim 4, wherein, The hydraulic jack (40) is two, and the two hydraulic jacks (40) are respectively installed on the two heavy-duty beams (102), and the hydraulic jack (40) is arranged near the tail part of the vehicle compartment.

6. The cargo trike cargo bed of claim 1, wherein, The amplifier (60), the analog-to-digital converter (70) and the microprocessor (80) are integrated on the display of the electronic scale.

7. The cargo trike cargo bed of claim 1, wherein, The electronic scale display (90) comprises an LCD screen or an LED screen.

8. The cargo trike cargo bed of claim 1, wherein, The amplifier (60) comprises an operational amplifier (60) or an instrument amplifier (60).

9. The cargo trike cargo bed of claim 1, wherein, The microprocessor (80) comprises a single-chip microcomputer.

10. A cargo trike, characterised in that, The freight tricycle vehicle compartment of any one of claims 1-9 is included.