CN202201639U - Crane and device for measuring craning weight of same - Google Patents
Crane and device for measuring craning weight of same Download PDFInfo
- Publication number
- CN202201639U CN202201639U CN2011202927729U CN201120292772U CN202201639U CN 202201639 U CN202201639 U CN 202201639U CN 2011202927729 U CN2011202927729 U CN 2011202927729U CN 201120292772 U CN201120292772 U CN 201120292772U CN 202201639 U CN202201639 U CN 202201639U
- Authority
- CN
- China
- Prior art keywords
- oil cylinder
- pressure sensor
- hoisting crane
- signal processing
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses a crane and a device for measuring the craning weight of the same. The device comprises a pressure sensor, a transmitting module and a signal processing module and also comprises a measuring oil cylinder; one end of the measuring oil cylinder is connected with a craning arm end, and the other end is connected with a steel wire rope of a main hook of the crane; one of the cavity without a rod and the cavity with a rod of the measuring oil cylinder is communicated with air, and the other one is filled with hydraulic oil and connected with the pressure sensor; and the pressure signal detected by the pressure detector is transmitted to the signal processing module through the transmitting module. According to the device for measuring the craning weight of the crane, the craning weight of the crane can be directly transferred to the pressure of the measuring oil cylinder, the craning weight measurement accuracy can be improved, the craning weight calculation can be easy, a few resources of the signal processing module is occupied, and convenient programming and quick running are realized.
Description
Technical field
The utility model relates to field of mechanical technique, particularly relates to a kind of hoisting crane lift heavy measurement mechanism and hoisting crane.
Background technology
Hoisting crane need be measured the load of lift heavy when lifting, and along with the widespread use of hoisting crane, the accuracy rate that lift heavy is measured also requires increasingly high.
At present, the lift heavy measurement that is used for hoisting crane has multiple implementation method, and a kind of method is measured pull of steel wire, thereby calculated the weight of load for through being arranged on the pulling force sensor of crane arm afterbody; A kind of method is for acting on the power of vertical leg through calculating, deducts the weight of hoisting crane itself again and obtains the quality of load; A kind of method is for accurately obtaining the quality of load through the weight of calculating steel rope; A kind of method is for installing the metering that the lift heavy sensor is realized load through transferring at the carrying roller of winding drum; A kind of method is for coming the weight of assumed (specified) load through the moment of measuring winding drum; A kind of method is between the captive nut of load hook gib head end and connection crossbeam, to add elastic element, comes the weight of assumed (specified) load through the deflection of measuring elastic element.These are through the pulling force of measuring steel wire rope, and there is the not high problem of precision in the weight of method assumed (specified) load of perhaps measuring the deflection of elastic element.
The lift heavy method of measurement of another kind of hoisting crane is for to be provided with pressure sensor through rodless cavity and rod chamber place in amplitude oil cylinder; And the value of the pressure signal that obtains combined the length and the angle-data of crane arm; Calculate the actual weight of carrying of hanging through corresponding formulas; The length of hoisting crane when work crane arm can constantly change with angle, confirms that corresponding length and angle can bring certain calculation error, so this force value through amplitude oil cylinder is confirmed the method computing formula complicacy of lift heavy weight; Computation process is loaded down with trivial details, and programming trouble and survey precision are not high.
The utility model content
To the defective that exists in the existing hoisting crane lift heavy measurement mechanism; The utility model embodiment provides a kind of hoisting crane lift heavy measurement mechanism, has realized the accurate measurement of lift heavy weight, and computing formula is simple, few to the resource occupation of signal processing module; Programming is convenient, and operation rapidly.
The utility model provides a kind of hoisting crane lift heavy measurement mechanism, comprises pressure sensor (2), transport module and signal processing module (4), it is characterized in that, it also comprises metering oil cylinder (1), wherein:
Metering oil cylinder (1) one end is connected with the crane arm arm head, and the other end of metering oil cylinder (1) is connected with the steel rope of hoisting crane main hook; One in rodless cavity (7) and the rod chamber (8) of metering oil cylinder (1) leads to atmosphere, and another splendid attire hydraulic oil also is connected with pressure sensor (2);
The pressure signal that said pressure sensor (2) detects sends signal processing module (4) to through transport module.
Preferably, the cylinder body of metering oil cylinder (1) is connected with the crane arm arm head through hinge (5), and the piston rod of metering oil cylinder (1) is carved (6) with the steel rope of hoisting crane main hook rope and is connected; Or the cylinder body of metering oil cylinder (1) is carved (6) with the steel rope of hoisting crane main hook rope and is connected, and the piston rod of metering oil cylinder (1) is connected with the crane arm arm head through hinge (5).
Preferably, said rodless cavity (7) leads to atmosphere, and said rod chamber (8) splendid attire hydraulic oil also is connected with pressure sensor (2); Or said rodless cavity (7) splendid attire hydraulic oil also is connected with pressure sensor (2), and said rod chamber (8) leads to atmosphere.
Preferably; Said transport module comprises signal-transmitting cable (9) and long angular transducer (10); Pressure sensor (2) is connected with signal-transmitting cable (9); Long angular transducer (10) is connected with signal processing module (4), and the pressure signal that pressure sensor (2) detects sends long angular transducer (10) to through signal-transmitting cable (9), and sends signal processing module (4) to by long angular transducer (10).
Preferably; Said transport module is specially wireless sending module (11) and wireless receiving module (12); Pressure sensor (2) is connected with wireless sending module (11); Wireless receiving module (12) is connected with signal processing module (4), and the pressure signal that pressure sensor (2) detects sends wireless receiving module (12) to through wireless sending module (11), and sends signal processing module (4) to by wireless receiving module (12).
Preferably, metering oil cylinder (1) can freely rotate around hinge (5).
The utility model also provides a kind of hoisting crane that comprises above-mentioned hoisting crane lift heavy measurement mechanism.
Compared with prior art; The lift heavy measurement mechanism that the utility model provides through the weight of load directly being changed into the pressure of oil cylinder, can obtain lift heavy data accurately through the metering oil cylinder is set on crane arm; Metering oil cylinder one end is connected with the crane arm arm head; The other end is connected with the steel rope of hoisting crane main hook, guarantees that the sense of motion of piston rod is consistent with the pull of steel wire direction, makes that measurement is more accurate; In addition, the lift heavy Weight Calculation is simple, few to the resource occupation of signal processing module, and programming is convenient, and operation rapidly.
Description of drawings
The structural representation of the hoisting crane lift heavy measurement mechanism that Fig. 1 provides for the utility model embodiment;
The structural representation of the hoisting crane lift heavy measurement mechanism that Fig. 2 provides for the utility model embodiment.
The specific embodiment
Be technical scheme and the effect that specifies the utility model, the utility model done detailed description below in conjunction with specific embodiment and accompanying drawing.
As shown in Figure 1, the structural representation of the hoisting crane chain sling that provides for the utility model embodiment, this device comprise metering oil cylinder 1, pressure sensor 2, transport module, signal processing module 4.
Wherein, metering oil cylinder 1 one ends are connected with the crane arm arm head, and the other end is connected with the steel rope of hoisting crane main hook; Concrete; Metering oil cylinder 1 can be connected with the crane arm arm head through hinge 5 by an end, and the other end is carved 6 with the steel rope rope of main hook and is connected, for example; The cylinder body of metering oil cylinder 1 is connected with the crane arm arm head through hinge 5, and piston rod is carved 6 through rope clamp with the steel rope rope of main hook and is connected.Also can be so that the cylinder body of metering oil cylinder 1 is connected with the steel rope of main hook, piston rod is connected with the crane arm arm head.Metering oil cylinder 1 can be realized measuring oil cylinder 1 and freely rotate around hinge through being connected through hinge 5 with the crane arm arm head, and is consistent with the pull of steel wire direction thereby the sense of motion of piston rod in the oil cylinder 1 is measured in assurance, the particularity of assurance result of a measurement.
The cylinder body of metering oil cylinder 1 is divided into rodless cavity 7 and rod chamber 8 by piston rod, can make rodless cavity 7 directly lead to atmosphere, thereby keeps the pressure of rodless cavity 7 to be always barometric pressure, i.e. benchmark 0 pressure.Splendid attire fluid oil in rod chamber 8; When the steel rope rope is carved lift heavy; The piston motion of traction metering oil cylinder 1 makes that pressure changes in the rod chamber 8, and metering oil cylinder 1 pressure inside then is a pull of steel wire; Owing to filled liquid in the rod chamber 8, so the pressure in the rod chamber 8 equates everywhere.
In addition, also can make rod chamber 8 directly lead to atmosphere, keep the pressure of rod chamber 8 to be always benchmark 0 pressure, splendid attire fluid oil in rodless cavity 7.Leading to atmosphere with rodless cavity 7 among the utility model embodiment is that example describes.
Preferably, an end at said rodless cavity 7 places be connected with the crane arm arm head through hinge 5, the other end that rod chamber 8 belongs to and the steel rope of hoisting crane main hook are restricted and are carved 6 and be connected.
Wherein, pressure sensor 2 is connected in the rod chamber 8 of metering oil cylinder 1.Pressure in the rod chamber 8 equates that everywhere pressure sensor 2 can be arranged in rod chamber 8 optional positions, thereby obtains the pressure of rod chamber 8, i.e. pull of steel wire.Connect under the situation of atmosphere at rod chamber 8, pressure sensor 2 is connected with rodless cavity 7.
Preferably, transport module comprises signal-transmitting cable 9 and long angular transducer 10.Pressure sensor 2 is connected with signal-transmitting cable 9, and long angular transducer 10 is connected with signal processing module 4.The pressure signal that pressure sensor 2 detects sends long angular transducer 10 to through signal-transmitting cable 9, and sends signal processing module 4 to by long angular transducer 10.
Preferably, as shown in Figure 2, transport module is specially signal wireless sending module 11 and wireless receiving module 12.Pressure sensor 2 is connected with wireless sending module 11, and wireless receiving module 12 is connected with signal processing module 4.The pressure signal that pressure sensor 2 detects sends wireless receiving module 12 to through wireless sending module 11, and sends signal processing module 4 to by wireless receiving module 12.
Pulling force=pressure signal * rod chamber 8 active areas that the metering oil cylinder bears;
The pulling force that lift heavy weight=metering oil cylinder bears * elevator multiplying power-suspension hook weight.
Wherein, rod chamber 8 active areas are the area of piston in the metering oil cylinder 1.In the formula that calculates lift heavy weight, rod chamber 8 active areas, suspension hook weight is constant; Can not change along with the lift heavy of hoisting crane; The weight of load is directly changed into the pressure of oil cylinder, only need obtain the rod chamber pressure signal and get final product, variable is less in the calculating; The error of introducing is less, has increased the accuracy of lift heavy weight measurement.
Preferably, the hoisting crane chain sling of the utility model also comprises display module 13, when being used for the lift heavy weight of signal processing module 4 acquisition hoisting cranes, shows this lift heavy weight.
Another embodiment of the utility model also provides a kind of hoisting crane with above-mentioned cooling mechanism.
Can draw through above description, the lift heavy measurement mechanism that the utility model provides through the weight of load directly being changed into the pressure of oil cylinder, can obtain lift heavy data accurately through the metering oil cylinder is set on crane arm.The metering oil cylinder is connected on the crane arm arm head through hinge, and the metering oil cylinder can freely rotate around hinge, thereby the sense of motion of card piston rod is consistent with the pull of steel wire direction, makes that measurement is more accurate; In addition, lift heavy Weight Calculation formula is simple, few to the resource occupation of signal processing module, and programming is convenient, and operation rapidly.
The above only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be looked the protection domain of the utility model.
Claims (7)
1. a hoisting crane lift heavy measurement mechanism comprises pressure sensor (2), transport module and signal processing module (4), it is characterized in that, it also comprises metering oil cylinder (1), wherein:
Metering oil cylinder (1) one end is connected with the crane arm arm head, and the other end of metering oil cylinder (1) is connected with the steel rope of hoisting crane main hook; One in rodless cavity (7) and the rod chamber (8) of metering oil cylinder (1) leads to atmosphere, and another splendid attire hydraulic oil also is connected with pressure sensor (2);
The pressure signal that said pressure sensor (2) detects sends signal processing module (4) to through transport module.
2. hoisting crane lift heavy measurement mechanism as claimed in claim 1 is characterized in that, the cylinder body of metering oil cylinder (1) is connected with the crane arm arm head through hinge (5), and the piston rod of metering oil cylinder (1) is carved (6) with the steel rope of hoisting crane main hook rope and is connected; Or
The cylinder body of metering oil cylinder (1) is carved (6) with the steel rope of hoisting crane main hook rope and is connected, and the piston rod of metering oil cylinder (1) is connected with the crane arm arm head through hinge (5).
3. hoisting crane lift heavy measurement mechanism as claimed in claim 1 is characterized in that said rodless cavity (7) leads to atmosphere, and said rod chamber (8) splendid attire hydraulic oil also is connected with pressure sensor (2); Or
Said rodless cavity (7) splendid attire hydraulic oil also is connected with pressure sensor (2), and said rod chamber (8) leads to atmosphere.
4. like each described hoisting crane lift heavy measurement mechanism in the claim 1 to 3; It is characterized in that; Said transport module comprises signal-transmitting cable (9) and long angular transducer (10), and pressure sensor (2) is connected with signal-transmitting cable (9), and long angular transducer (10) is connected with signal processing module (4); The pressure signal that pressure sensor (2) detects sends long angular transducer (10) to through signal-transmitting cable (9), and sends signal processing module (4) to by long angular transducer (10).
5. like each described hoisting crane lift heavy measurement mechanism in the claim 1 to 3; It is characterized in that; Said transport module is specially wireless sending module (11) and wireless receiving module (12); Pressure sensor (2) is connected with wireless sending module (11); Wireless receiving module (12) is connected with signal processing module (4), and the pressure signal that pressure sensor (2) detects sends wireless receiving module (12) to through wireless sending module (11), and sends signal processing module (4) to by wireless receiving module (12).
6. hoisting crane lift heavy measurement mechanism as claimed in claim 1 is characterized in that, metering oil cylinder (1) can freely rotate around hinge (5).
7. a hoisting crane is characterized in that, comprises each described hoisting crane lift heavy measurement mechanism like claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202927729U CN202201639U (en) | 2011-08-12 | 2011-08-12 | Crane and device for measuring craning weight of same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202927729U CN202201639U (en) | 2011-08-12 | 2011-08-12 | Crane and device for measuring craning weight of same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202201639U true CN202201639U (en) | 2012-04-25 |
Family
ID=45965772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202927729U Expired - Fee Related CN202201639U (en) | 2011-08-12 | 2011-08-12 | Crane and device for measuring craning weight of same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202201639U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104444882A (en) * | 2014-12-16 | 2015-03-25 | 中联重科股份有限公司 | Hoisting system and crane comprising same |
| CN105060122A (en) * | 2015-07-16 | 2015-11-18 | 中联重科股份有限公司 | Crane safety control system and method, moment limiter and crane |
| CN109036086A (en) * | 2018-09-10 | 2018-12-18 | 苏州大成有方数据科技有限公司 | A kind of front handling mobile crane simulator that three face rings is wound |
| CN109081262A (en) * | 2017-06-13 | 2018-12-25 | 捷尔杰（天津）设备有限公司 | A kind of pressure compensating system applied to weighting device of aerial work platform |
| CN109147544A (en) * | 2018-09-10 | 2019-01-04 | 苏州大成有方数据科技有限公司 | A kind of front handling mobile crane simulator with movable platform |
| CN110382396A (en) * | 2017-03-09 | 2019-10-25 | 株式会社多田野 | Crane |
| CN114502499A (en) * | 2019-10-11 | 2022-05-13 | 喜开理株式会社 | Arm type booster |
-
2011
- 2011-08-12 CN CN2011202927729U patent/CN202201639U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104444882A (en) * | 2014-12-16 | 2015-03-25 | 中联重科股份有限公司 | Hoisting system and crane comprising same |
| CN105060122A (en) * | 2015-07-16 | 2015-11-18 | 中联重科股份有限公司 | Crane safety control system and method, moment limiter and crane |
| CN110382396A (en) * | 2017-03-09 | 2019-10-25 | 株式会社多田野 | Crane |
| CN110382396B (en) * | 2017-03-09 | 2021-10-08 | 株式会社多田野 | Crane with a movable crane |
| CN109081262A (en) * | 2017-06-13 | 2018-12-25 | 捷尔杰（天津）设备有限公司 | A kind of pressure compensating system applied to weighting device of aerial work platform |
| CN109036086A (en) * | 2018-09-10 | 2018-12-18 | 苏州大成有方数据科技有限公司 | A kind of front handling mobile crane simulator that three face rings is wound |
| CN109147544A (en) * | 2018-09-10 | 2019-01-04 | 苏州大成有方数据科技有限公司 | A kind of front handling mobile crane simulator with movable platform |
| CN114502499A (en) * | 2019-10-11 | 2022-05-13 | 喜开理株式会社 | Arm type booster |
| CN114502499B (en) * | 2019-10-11 | 2023-08-29 | 喜开理株式会社 | Arm type booster |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202201639U (en) | Crane and device for measuring craning weight of same | |
| CN204405242U (en) | A kind of belt wheel side-compression cable tension real-time detection apparatus | |
| CN102221477A (en) | Winch detection equipment used in coal mine | |
| CN201058788Y (en) | Bridge crane electronic scale steel cable weight compensating unit | |
| CN104609326A (en) | Dynamic compaction machine and winding device thereof | |
| CN202041397U (en) | Winch detection device for coal mine | |
| CN201971576U (en) | Moment limiting device and tower crane with same | |
| CN202903392U (en) | Bayonet type polished rod dynamic load sensor | |
| CN201288022Y (en) | Dynamic weighing structure of crane | |
| CN204730924U (en) | A kind of steel strip coiling machine trolley platform scale | |
| RU182071U1 (en) | MOBILE DRILLING MACHINE TEST STAND | |
| CN204211371U (en) | A kind of high precision driving electronic scales | |
| CN202744238U (en) | Automatic balance control tower type crane | |
| CN204694388U (en) | Torque measurement one beam | |
| CN203382394U (en) | Rotating pin measuring and weighing sensor device for container spreader | |
| CN204175704U (en) | Support oil cylinder structure of support leg and engineering machinery | |
| CN203946828U (en) | A kind of winch of measuring unwrapping wire length | |
| CN202357484U (en) | Hydraulic press tonnage detection apparatus | |
| CN204847924U (en) | Suppression vibration control system of hoist | |
| CN201527393U (en) | Measuring device for particle surface friction coefficient | |
| CN207877117U (en) | A kind of weigh pulley gear of the grab bucket crane using hollow shaft | |
| CN203682916U (en) | Weighing equipment | |
| CN212893539U (en) | Bridge crane energy consumption monitoring device based on wireless sensor network | |
| CN217542201U (en) | Pole axial pressure monitoring devices is embraced to stand alone type | |
| CN204917712U (en) | Goliath hoist and mount process on -line monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20140812 |
|
| EXPY | Termination of patent right or utility model |