CN201801312U

CN201801312U - Scale for container spreader

Info

Publication number: CN201801312U
Application number: CN2010205400864U
Authority: CN
Inventors: 许世俊; 张宏亮; 张鹏
Original assignee: ZHENGZHOU HENGKE INDUSTRIAL Co Ltd
Current assignee: The reservoir Hengke IOT System Co Ltd
Priority date: 2010-09-25
Filing date: 2010-09-25
Publication date: 2011-04-20
Anticipated expiration: 2020-09-25

Abstract

The utility model discloses a scale for a container spreader, which mainly comprises weighing sensors, connecting bars, an AD signal encoder and a weighing instrument. The weighing sensors for detecting tension experienced by a container spreader in lifting a container are mounted at four corners of a spreader upper frame, each connecting bar is used for connecting two rotary handles at the same end of the upper frame, the AD signal encoder is mounted on a platform of the spreader upper frame, and the weighing instrument integrated with a wireless receiver inside is mounted inside a crane cab. The weighing sensors are fixed onto holder sleeves in turn lock cases, and turn locks passing through central holes of the weighing sensors are mounted on the weighing sensors through turn lock nuts in pressed manner. Tension experienced by the turn locks in lifting the container spreader is transmitted to the weighing sensors through the turn lock nuts, and weight signals acquired by the weighing sensors are processed by the AD signal encoder and transmitted the weighing instrument wirelessly. The scale is simple in structure and process, low in production cost and high in detection precision, eliminates hidden dangers of overload and unbalanced load of a container from a loading source, and guarantees safety transportation of the container.

Description

The container spreader scale

Technical field

The utility model relates to a kind of electronic scales, relate in particular to a kind of be applied on the container spreader the vanning overload of energy detected set, lay particular stress on the container spreader scale with unbalance loading.

Background technology

At present, in order to improve operating efficiency, container wharf and railway container freight station generally adopt shore container crane and gantry container crane, but these hoisting cranes all are not equipped with the electronic weighing device that is used to detect overloading and unbalanced loading of container.The freight container operation enterprise is in order to ensure transportation safety, usually adopt truck scale to come the detected set vanning whether to overload, but the truck scale metering need be got gross weight earlier and be allowanced for bark, the truck that runs into the two casees of delivery then needs to cross weighing apparatus repeatedly just can obtain each case weight, inefficiency, moreover, truck scale can only detected set the vanning gross weight but can't learn whether unbalance loading of in-to-in goods, and unbalance loading threatens the most critical factor of freight container traffic safety exactly.The super unbalance-loading detecting device of rigid container has appearred in recent years, as digital overloading and unbalanced loading of container detecting device: the patent No.: ZL 200820114846.8, the use of this detecting device needs special place, and freight container all need be transported to this fixed location detects, have a strong impact on the operating efficiency of freight container station, and increased operating cost; The patent No. that the applicant detects the weighting apparatus application on December 14th, 2009 with regard to overloading and unbalanced loading of container is that the technology of ZL 200920296930.0 has solved the freight container overload, laid particular stress on a difficult problem that detects with unbalance loading, the weight-lifting equipment that overloading and unbalanced loading of container detects weighting apparatus is installed just can detects freight container in the handling freight container, the operating personnel can weed out overload before entrucking, lay particular stress on or freight container that the unbalance loading amount exceeds standard.But the contriver finds that in process of production this overloading and unbalanced loading of container detects weighting apparatus structure and complex process, and its productive costs is higher relatively.

Summary of the invention

For reducing the productive costs that overloading and unbalanced loading of container detects weighting apparatus, the utility model provides a kind of structure simpler, and freight container is overloaded, lays particular stress on the container spreader scale higher with the accuracy of detection of unbalance loading.

The technical solution of the utility model realizes in the following manner:

A kind of container spreader scale, mainly by be installed in suspender put on the shelf four jiaos suffered pulling force size when being used for detecting container spreader and slinging freight container LOAD CELLS, connect the suspender weighing instrument that the connecting rod of two turning handles of same end, the inside that is installed in the AD signal coder on the body panel on the suspender and is installed in crane cabin be integrated with wireless receiver of putting on the shelf and form; Wherein, LOAD CELLS is fixed on suspender and puts on the shelf on the cover for seat in the twist lock case, and the centre hole that twist lock passes LOAD CELLS cooperates with twist lock nut and turning handle and is fitted on the carrying surface of LOAD CELLS.Put on the shelf when slinging container spreader when suspender, the suffered pulling force of twist lock passes to LOAD CELLS by the twist lock nut, and the weight signal of LOAD CELLS collection sends weighing instrument to by wireless mode after the AD signal coder is handled.

Described AD signal coder is integrated A/D modular converter, supply module and transmitting set.

Described transmitting set and wireless receiver are intercommunication.

Described weighing instrument is connected with the mini-printer that is used to print the error detecting code list, and weighing instrument calculates and demonstrates freight container gross weight and unbalance loading graphical information, and prints the error detecting code list by mini-printer.

Described weighing instrument carries out data by communication interface with the network computer of crane cabin and is connected.

Described LOAD CELLS has four, inserts the respective channel of A/D modular converter in the AD signal coder respectively.

Described connecting rod is " several " font or " one " font.

Good effect of the present utility model is:

The utility model structure and technology are simple, and productive costs is low, and the accuracy of detection height has solved the freight container overload, laid particular stress on a difficult problem that detects with unbalance loading.The weight-lifting equipment that the container spreader scale is installed just can detect freight container in the handling freight container, and the operating personnel can weed out overload, lay particular stress on the freight container that exceeds standard with the unbalance loading amount before entrucking.

Application of the present utility model neither needs special place, do not need to increase extra operating cost yet, in the handling freight container, finished detection, time saving and energy saving, convenient and swift and science is accurate, the hidden danger of overloading and unbalanced loading of container is eliminated in the entrucking source, for transporting safely of freight container provides guarantee.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is that LOAD CELLS is installed in put on the shelf the structural representation of an end of suspender.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing:

By Fig. 1, Fig. 2 as can be seen: the utility model comprise be installed in suspender put on the shelf LOAD CELLS 2 in 1 four jiaos of twist lock casees, be installed in suspender put on the shelf integrated A/D modular converter, supply module and transmitting set on 1 platform AD signal coder 3 and be installed in the weighing instrument 4 that the crane driver chamber interior is integrated with wireless receiver.Its keystone configuration characteristics are: suspender is put on the shelf and LOAD CELLS 2 is installed in four jiaos the twist lock case, the signal wire (SW) of four LOAD CELLS 2 inserts four respective channel of AD signal coder 3 respectively, AD signal coder 3 is from the suspender power taking in 1 the switch box of putting on the shelf, AD signal coder 3 sends to weighing instrument 4 with the weighing-up wave behind the analogue to digital conversion by transmitting set, weighing instrument 4 calculates and shows excess of export unbalance loading testing result, and print the error detecting code list by mini-printer, on sign indicating number is single case number (CN) is arranged not only, date, weight information also has the unbalance loading figure, and the unbalance loading situation of freight container comes into plain view.Simultaneously, weighing instrument 4 also possesses reports to the police and limitation function, with regard to the alarm chaufeur, weighing instrument is just forbidden the action that hoists of hoisting crane when hoisting capacity surpasses crane rating, plays the overload limitation function when Container Weight or unbalance loading amount exceed allowed band.

As seen from Figure 2: the testing agency of weighing of the present utility model mainly comprises LOAD CELLS 2, twist lock 5, cover for seat 6, twist lock nut 7, turning handle 8, connecting rod 9.Its keystone configuration characteristics are: LOAD CELLS 2 is installed on the interior cover for seat 6 of twist lock case, twist lock 5 passes the centre hole of LOAD CELLS 2, and be fitted in above the LOAD CELLS 2 by twist lock nut 7, turning handle 8 be installed in twist lock nut 7 above, turning handle 8 links to each other with connecting rod 9.

Be it can also be seen that by Fig. 2: the position of twist lock nut 7 and turning handle 8 can exchange, and turning handle 8 can be directly installed on above the LOAD CELLS 2, and twist lock nut 7 is installed in above the turning handle 8.

Be it can also be seen that by Fig. 2: different with the mutual alignment of turning handle 8 according to twist lock nut 7, connecting rod 9 can be " several " font, also can be " one " font.

When slinging freight container, twist lock 5 is subjected to downward pulling force, and pulling force passes to LOAD CELLS 2 by twist lock nut 7 fully; LOAD CELLS 2 sends to weighing instrument 4 with detected weight signal by AD signal coder 3, weighing instrument 4 just can draw the gross weight and the unbalance loading information of freight container and shows through calculating, and points out the operating personnel to weed out overload, lay particular stress on or freight container that the unbalance loading amount exceeds standard.

Claims

1. container spreader scale, mainly by being installed in put on the shelf (1) the four jiao LOAD CELLS (2) of suffered pulling force size when being used for detecting container spreader and slinging freight container of suspender, connect put on the shelf the connecting rod (9) of two turning handles of (1) same end of suspender, being installed in the suspender weighing instrument (4) that the AD signal coder (3) on (1) platform and the inside that is installed in crane cabin is integrated with wireless receiver of putting on the shelf forms, it is characterized in that: LOAD CELLS (2) is fixed on suspender and puts on the shelf on the cover for seat (6) in the twist lock case of (1), the centre hole that twist lock (5) passes LOAD CELLS (2) is fitted on the carrying surface of LOAD CELLS (2) with twist lock nut (7) and turning handle (8) cooperation, when suspender is put (1) on the shelf when slinging container spreader, the suffered pulling force of twist lock (5) passes to LOAD CELLS (2) by twist lock nut (7), and the weight signal that LOAD CELLS (2) is gathered sends weighing instrument (4) to by wireless mode after AD signal coder (3) is handled.

2. container spreader scale according to claim 1 is characterized in that: described AD signal coder (3) is integrated A/D modular converter, supply module and transmitting set.

3. container spreader scale according to claim 2 is characterized in that: described transmitting set and wireless receiver are intercommunication.

4. container spreader scale according to claim 3 is characterized in that: described weighing instrument (4) is connected with the mini-printer that is used to print the error detecting code list.

5. container spreader scale according to claim 4 is characterized in that: described weighing instrument (4) carries out data by communication interface with the network computer of crane cabin and is connected.

6. container spreader scale according to claim 5 is characterized in that: described LOAD CELLS (2) signal wire (SW) inserts the respective channel of A/D modular converter in the AD signal coder (3) respectively.

7. according to claim 1,2,3,4,5 or 6 described container spreader scales, it is characterized in that: connecting rod (9) is " several " font or " one " font.