CN219675242U

CN219675242U - Large goods field weighing device

Info

Publication number: CN219675242U
Application number: CN202320709597.1U
Authority: CN
Inventors: 姚仁杉; 郭贵勇; 姚庆藻; 薛金; 马兴; 金宇翔; 庄才荣; 蔡开城; 钟金德; 陈鑫; 蔡宝杰
Original assignee: Fujian Metrology Institute
Current assignee: Fujian Metrology Institute
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-09-12
Anticipated expiration: 2033-04-03

Abstract

The utility model relates to a large-piece goods on-site weighing device, which comprises a plurality of weighing device units, wherein each weighing device unit comprises a hydraulic cylinder, a weighing sensor, a connecting part and a bearing tray; the weighing sensor is arranged at the output end of the top of the hydraulic cylinder, the bearing tray comprises a first transverse disc, a second transverse disc and a vertical plate, the inner side of the top end of the vertical plate is connected with one side of the first transverse disc, the bottom surface of the first transverse disc is connected with the top surface of the weighing sensor through a connecting part, the outer side of the bottom end of the vertical plate is connected with the second transverse disc, and the second transverse discs of the weighing device units are matched with the bearing of large goods to realize the weighing operation of the large goods. The utility model can quickly, accurately and effectively weigh the large goods on site, and avoid the threat to road traffic safety in the transfer process of large transport vehicles. The information such as weighing data can be uploaded to the traffic management cloud platform in real time through the Internet of things, so that the informationized management effect of traffic law enforcement is achieved.

Description

Large goods field weighing device

Technical Field

The utility model relates to the technical field of weighing, in particular to a large-article on-site weighing device.

Background

The transportation of heavy-load large goods or equipment (hereinafter referred to as "large goods") refers to the transportation and distribution of the heavy-load large goods on roads, and common tunnel shield machines, nuclear power (hydroelectric and thermal power) units, wind power generation equipment, transformers, large boilers, petroleum storage tanks and the like are quite complex in transportation process and require special transportation tools to finish the transportation. These large goods have the characteristics of high value, overweight, ultralong, ultrawide, ultrahigh and nondegradable. Along with the rapid development of domestic economy, a large number of important projects need to be used, the transportation guarantee tasks of the large goods are directly related to the construction progress of key engineering projects, once the time is prolonged, the transportation cost is greatly increased, the follow-up engineering is difficult to follow, and the running cost of the whole engineering is increased. Currently, due to the large size and large weight of large goods, major engineering project departments cannot weigh the large goods rapidly and effectively on site, so that unpredictable problems exist in project task propulsion, such as whether the traffic law enforcement department needs to determine overload of the large goods after intercepting the overload transportation vehicles, and if the traffic law enforcement department shifts the goods with the weight which is not determined to other important points directly, the safety of local roads and bridges and common people is possibly threatened.

The weighing mode of the large goods in the transportation link process mainly comprises the following steps: firstly, monitoring an off-site law enforcement weighing system arranged on a road, wherein the monitoring is currently in the relevant technical groping and development stage, the number of point positions is limited and is relatively scattered, and the situation that data are abnormal can occur when a large number of goods transport vehicles are usually special vehicle types (more than six shafts and even more than ten shafts); secondly, the dynamic truck scale for the overload treatment of the expressway toll station has very limited width of the lane of the toll station, and cannot meet the traffic of most large transport vehicles; thirdly, the portable axle weight instrument has low precision and small table top because of the randomness of load distribution when the dead weight of the truck is transferred to each axle due to the height difference between the weighing table top and the ground, and the truck especially special type truck cannot be accurately and effectively weighed; fourth, electronic truck scales are affected by installation sites and site sizes, and weighing situations often occur in which vehicles cannot enter corresponding sites or the platform is too short in length to cover all wheel axles. Thus, none of the above approaches provides for quick, accurate, and efficient weighing of large items.

Disclosure of Invention

First, the technical problem to be solved

In order to solve the problems in the prior art, the utility model provides a large-article on-site weighing device which can quickly, accurately and effectively weigh large articles.

(II) technical scheme

In order to achieve the above purpose, the technical scheme adopted by the utility model comprises the following steps: the on-site weighing device for the large goods comprises a plurality of weighing device units, wherein each weighing device unit comprises a hydraulic oil cylinder, a weighing sensor, a connecting part and a bearing tray;

the weighing sensor is arranged at the output end of the top of the hydraulic cylinder, the bearing tray comprises a first transverse disc, a second transverse disc and a vertical plate, the inner side of the top end of the vertical plate is connected with one side of the first transverse disc, the bottom surface of the first transverse disc is connected with the top surface of the weighing sensor through the connecting component, the outer side of the bottom end of the vertical plate is connected with the second transverse disc, and the second transverse disc of a plurality of weighing device units is matched with a supporting point of a large cargo to realize weighing operation of the large cargo.

(III) beneficial effects

The beneficial effects of the utility model are as follows: the large-size goods can be weighed through the cooperation of the weighing device units, the weighing device units can be loaded on a small truck, the weighing device units can be moved by using tools such as a small cart, the large-size goods are easy and flexible to use, the large-size goods are not influenced by site factors, the large-size goods are placed on a frame of a transport vehicle (about 1000mm in height) or placed on a sleeper (about 100mm in height) with a plurality of common specifications on the open flat ground, at the moment, the supporting points of the large-size goods under the two working conditions can be lifted and loaded due to the weighing device units, the transport vehicle carrying the large-size goods does not need to be moved, the weight of the large-size goods can be weighed on site, and the threat of the large-size transport vehicle on road traffic safety in the transferring process can be avoided. In addition, the method plays an important metering technical guarantee for the transportation departments to manage large-article transport vehicles and the like and control the safety handle of road traffic, solves the problems of traffic law enforcement and industrial metering engineering that large-article transport vehicles cannot be weighed, strengthens barrier removal and reinforcement work of roads, lines and bridges in advance, ensures smooth transportation of the large-article transport vehicles, eliminates potential safety hazards of roads and bridges, and brings immeasurable social benefit and indirect economic benefit.

Drawings

FIG. 1 is a schematic diagram of a large cargo field weighing apparatus unit in accordance with one embodiment of the present utility model;

FIG. 2 is a schematic diagram of a large cargo field weighing apparatus unit according to a second embodiment of the utility model;

FIG. 3 is a front view of a large cargo field weighing apparatus unit in accordance with a second embodiment of the utility model;

FIG. 4 is a side view of a large cargo field weighing apparatus unit in accordance with a second embodiment of the utility model;

FIG. 5 is a top view of a large cargo field weighing apparatus unit in accordance with a second embodiment of the utility model;

FIG. 6 is a state diagram of the second embodiment of the present utility model when the auxiliary loading plate is not used for weighing operation;

fig. 7 is a state diagram of the second embodiment of the present utility model when the auxiliary loading plate is used for weighing operation;

fig. 8 is a schematic structural diagram of a management system according to a second embodiment of the present utility model;

[ reference numerals description ]

1. A hydraulic cylinder; 2. a weighing sensor;

3. a carrying tray; 31. a first transverse disc; 32. a riser; 33. a second transverse disc;

4. a connecting plate; 5. a limit rod; 6. a bottom plate support frame; 7. pulley block; 8. an adjustable support leg; 9. a base plate support leg; 10. a lateral force resistant member; 11. a connecting member; 12. an auxiliary bearing plate; 13. large goods.

Detailed Description

The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings.

Referring to fig. 1 to 8, a large-scale cargo field weighing device comprises a plurality of weighing device units, wherein each weighing device unit comprises a hydraulic cylinder, a weighing sensor, a connecting part and a bearing tray;

From the above description, it can be known that the large-size cargo can be weighed by matching a plurality of weighing device units, the weighing device units can be loaded on a small truck, each weighing device unit can use tools such as a trolley and the like to move, the use is simple, convenient and flexible, the large-size cargo is not affected by site factors, the large-size cargo is generally placed on a frame of a transport vehicle (about 1000mm in height) or on a sleeper (about 100mm in height) with a plurality of common specifications on an open and flat ground, at this time, because each weighing device unit can lift and load each supporting point of the large-size cargo under the above two working conditions, the transport vehicle carrying the large-size cargo does not need to be moved, the weight of the large-size cargo can be quickly, accurately and effectively weighed on site, and the threat to road traffic safety in the transfer process of the large-size cargo can be avoided. In addition, the method plays an important metering technical guarantee for the transportation departments to manage large-article transport vehicles and the like and control the safety handle of road traffic, solves the problems of traffic law enforcement and industrial metering engineering that large-article transport vehicles cannot be weighed, strengthens barrier removal and reinforcement work of roads, lines and bridges in advance, ensures smooth transportation of the large-article transport vehicles, eliminates potential safety hazards of roads and bridges, and brings immeasurable social benefit and indirect economic benefit.

Further, the device also comprises a bottom plate supporting frame and bottom plate supporting legs;

the hydraulic cylinder is fixed in the top surface of bottom plate support frame, the bottom interval of bottom plate support frame is fixed with a plurality of bottom plate supporting legs.

From the above description, the hydraulic cylinder is fixed on the bottom plate support frame, so that the hydraulic cylinder has a certain protection effect, abrasion in the moving and using processes is avoided, a plurality of bottom plate support legs are fixed at intervals at the bottom of the bottom plate support frame, the support range can be increased, and the weighing gravity center is ensured to be in the support range.

Further, the device also comprises an adjustable supporting leg;

the outer edge of the bottom plate support frame is provided with a plurality of adjustable support legs at intervals.

From the above description, through setting up adjustable supporting leg at the outer edge interval of bottom plate support frame, can further improve the supporting range when conveniently accomodating to and further guarantee weighing center of gravity in the supporting range.

Further, the pulley block is also included;

the pulley block is arranged at the bottom of the bottom plate supporting frame, and the supporting heights of the bottom plate supporting legs and the adjustable supporting legs are adjustable.

From the above description, the cargo carrying height requirement of the weighing device unit can be met by adjusting the supporting legs and the supporting height of the bottom plate, and the supporting legs and the adjustable supporting legs can be retracted or detached to use the pulley block so as to facilitate the movement of the device, and the specific connection mode can be realized by screwing the supporting legs to the contact body of the supporting legs and rotating the supporting legs to adjust the height or detaching the supporting legs.

Further, the device also comprises a connecting plate and a lateral force resisting component;

the connecting plate is fixed on the output end of the top of the hydraulic oil cylinder, and the weighing sensor is fixed on the top of the connecting plate;

the top surface of the lateral force resisting component is connected to one side, close to the vertical plate, of the bottom surface of the connecting plate, and the bottom surface of the lateral force resisting component is close to the top surface of the bottom plate supporting frame.

From the above description, the connection and fixation of the weighing sensor are facilitated by providing the connection plate at the output end of the top of the hydraulic cylinder. In the weighing process, the connecting plate, the weighing sensor and the bearing tray on the hydraulic oil cylinder can have lateral offset force, and the bottom of the lateral force resisting component can prop against the top surface of the supporting frame to provide lateral force resistance, so that the lateral dumping of each component is prevented, and the weighing stability of the device is ensured.

Further, a plurality of rows of bolt holes are arranged on the surface of the vertical plate of the bearing tray along the vertical interval.

As can be seen from the above description, according to the actual bearing height requirement, a row of pins are inserted into a row of pin holes with a certain height for supporting the supporting point portion of the large article, so as to further increase the bearing height.

Further, the auxiliary bearing plate is also included;

the auxiliary bearing plate can be lapped between the second transverse disks of the weighing device units.

It can be seen from the above description that when the shape and structure of the large article are regular, the large article can be directly placed on the first transverse disc of the plurality of weighing device units or a larger bearing surface can be formed between the plurality of weighing device units by using the auxiliary bearing plate, and the large article is placed on the auxiliary bearing plate to realize the effect of rapid weighing.

Further, the system also comprises a management system, wherein the management system comprises a weighing instrument and a traffic management cloud platform;

the weighing sensor converts the weight signal into a voltage signal and transmits the voltage signal to the weighing instrument, and the weighing instrument converts the voltage signal sent by the weighing sensor into a digital signal and then transmits the digital signal to the display for displaying;

the weighing instrument is provided with a communication function module, and the communication function module is used for uploading vehicle license plate information, large-piece goods information and weighing data to the traffic management cloud platform in real time for data analysis and processing.

From the above description, each relevant department can judge whether the route of the large transport vehicle is correct according to the information on the cloud platform, and perform the works of obstacle removal, reinforcement and the like of the bridge and culvert tunnel of each road section.

Example 1

Referring to fig. 1, a field weighing device for a large cargo 13 includes a plurality of weighing device units, wherein the weighing device units include a hydraulic cylinder 1, a weighing sensor 2, a connecting component 11 and a carrying tray 3;

the weighing sensor 2 is arranged at the output end of the top of the hydraulic cylinder 1, the bearing tray 3 comprises a first transverse disc 31, a second transverse disc 33 and a vertical plate 32, the inner side of the top end of the vertical plate 32 is connected with one side of the first transverse disc 31, the bottom surface of the first transverse disc 31 is connected with the top surface of the weighing sensor 2 through the connecting component 11, the outer side of the bottom end of the vertical plate 32 is connected with the second transverse disc 33, and the second transverse discs 33 of a plurality of weighing device units are matched with the supporting points of the bearing large-piece goods 13 to realize weighing operation of the large-piece goods 13.

The connecting part 11 is preferably a bolt for connecting and fixing the load cell 2 and the carrying tray 3, so that the connection between the two has enough firmness, or the sensor pressure head is used as the connecting part 11 to replace the bolt for realizing the connection and fixation between the load cell 2 and the carrying tray 3.

Wherein, the first transverse disc 31, the second transverse disc 33 and the vertical plate 32 can be integrally formed or assembled and fixedly formed.

Example two

Referring to fig. 2 to 8, a field weighing device for a large cargo 13 includes a plurality of weighing device units, wherein the weighing device units include a hydraulic cylinder 1, a weighing sensor 2, a connecting component 11 and a carrying tray 3;

Wherein, the utility model also comprises a bottom plate supporting frame 6 and bottom plate supporting legs 9;

the hydraulic cylinder 1 is fixed on the top surface of the bottom plate support frame 6, and a plurality of bottom plate support legs 9 are fixed at intervals at the bottom of the bottom plate support frame 6.

Wherein, the utility model also comprises an adjustable supporting leg 8;

a plurality of adjustable supporting legs 8 are arranged at intervals on the outer edge of the bottom plate supporting frame 6.

Wherein, also include the pulley block 7;

the pulley block 7 is arranged at the bottom of the bottom plate supporting frame 6, and the supporting heights of the bottom plate supporting legs 9 and the adjustable supporting legs 8 are adjustable.

Wherein, the device also comprises a connecting plate 4 and a lateral force resisting component 10;

the connecting plate 4 is fixed on the output end of the top of the hydraulic oil cylinder 1, and the weighing sensor 2 is fixed on the top of the connecting plate 4;

the top surface of the lateral force resisting component 10 is connected to one side, close to the riser 32, of the bottom surface of the connecting plate 4, and the bottom surface of the lateral force resisting component 10 is close to the top surface of the bottom plate support frame 6.

The connection component 11 is optionally fixed by connecting the bolt symmetric weighing sensor 2 and the bearing tray 3, so that the connection between the two components has enough firmness, or the sensor pressure head is used as the connection component 11 to replace a bolt to realize the connection fixation between the weighing sensor 2 and the bearing tray 3, when the sensor pressure head is used as the connection component 11, the sensor pressure head is inclined in the weighing operation process, and then drives the first transverse tray 31 to incline, so that limit rods 5 are required to be respectively arranged on two sides of the connection board 4, the top of each limit rod 5 is close to the bottom of the first transverse tray 31 but does not contact with the bottom of the corresponding first transverse tray 31, and nuts on each limit rod 5 and nuts on the bottom of the corresponding first transverse tray 31 are respectively provided with mutually matched nuts.

Wherein, the surface of the vertical plate 32 of the bearing tray 3 is provided with a plurality of rows of bolt holes along the vertical interval.

Wherein, the auxiliary bearing plate 12 is also included;

the auxiliary carrier plate 12 may overlap between the second cross plates 33 of a plurality of weighing device units.

In the weighing process, if a crane is arranged on site, the large-size goods 13 can be directly lifted onto the bearing trays 3 of the weighing device units by the crane, or the auxiliary bearing plates 12 are overlapped among the weighing device units to be matched as shown in fig. 7, and the large-size goods 13 are lifted onto the auxiliary bearing plates 12 by the crane. Preferably, the bearing tray 3 and the auxiliary bearing plate 12 are forged by high-strength steel, so that the weighing strength requirement is met.

As shown in fig. 8, the system further comprises a management system, wherein the management system comprises a weighing instrument and a traffic management cloud platform;

the weighing sensor 2 converts a weight signal into a voltage signal through electric connection or wireless connection and transmits the voltage signal to the weighing instrument, and the weighing instrument converts the voltage signal sent by the weighing sensor 2 into a digital signal and then transmits the digital signal to the display for displaying;

The display can be independently arranged outside and connected with the weighing instrument for data communication, or arranged on the weighing instrument as shown in the figure.

The operation steps of the device are as follows:

1. the support points are selected according to the structure and shape of the large cargo 13, and the support points which are firm in structure, even in distribution and balanced when the large cargo 13 is lifted are selected.

2. The height difference between the bearing tray 3 and the supporting point of the large goods 13 is measured by a laser level meter or other displacement measuring instrument, each height difference is used as an initial displacement zero position of each weighing device unit, and the displacement protection distance and the load protection value are set.

3. After the weighing device units are ready, the large goods 13 begin to be loaded, the load is continuously increased along with the rising displacement of the carrying tray 3 of the weighing device units, when the obtained total load indication value of each weighing device unit is gradually increased from 0 to m1, m2, … and mn, if the displacement is continuously increased by delta h (such as 30 mm) and the variation amplitude of the weighing load value mn is in a preset range, namely no obvious variation occurs any more, the current total load is automatically read as the reference value of the weight of the large goods 13. The process of the weighing data judges that the large-size goods 13 are lifted according to each weighing device unit, when the displacement of the weighing device unit is continuously increased and the total load value is changed within a preset range, no obvious change exists, the weighing device unit is indicated that the large-size goods 13 are lifted off, and finally the total load value of the weighing device unit is used as a reference value of the weight of the large-size goods 13.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent changes made by the specification and drawings of the present utility model, or direct or indirect application in the relevant art, are included in the scope of the present utility model.

Claims

1. The on-site weighing device for the large goods is characterized by comprising a plurality of weighing device units, wherein each weighing device unit comprises a hydraulic cylinder, a weighing sensor, a connecting part and a bearing tray;

2. The large item on-site weighing apparatus of claim 1, further comprising a floor support stand and floor support legs;

3. The large item on-site weighing apparatus of claim 2, further comprising adjustable support legs;

4. The large cargo field weighing apparatus of claim 2 further comprising a pulley block;

5. The large item on-site weighing apparatus of claim 2, further comprising a web and a lateral force resistant member;

6. The large cargo field weighing apparatus of claim 1 wherein said load bearing tray riser surfaces are provided with a plurality of rows of pin holes vertically spaced therealong.

7. The large item on-site weighing apparatus of claim 1, further comprising a management system comprising a weighing meter and a traffic management cloud platform;